| 1 |
578 |
markom |
#
|
| 2 |
|
|
# This file is part of the program psim.
|
| 3 |
|
|
#
|
| 4 |
|
|
# Copyright (C) 1994-1997, Andrew Cagney
|
| 5 |
|
|
#
|
| 6 |
|
|
# --
|
| 7 |
|
|
#
|
| 8 |
|
|
# The pseudo-code that appears below, translated into C, was copied
|
| 9 |
|
|
# by Andrew Cagney of Moss Vale, Australia.
|
| 10 |
|
|
#
|
| 11 |
|
|
# This pseudo-code is copied by permission from the publication
|
| 12 |
|
|
# "The PowerPC Architecture: A Specification for A New Family of
|
| 13 |
|
|
# RISC Processors" (ISBN 1-55860-316-6) copyright 1993, 1994 by
|
| 14 |
|
|
# International Business Machines Corporation.
|
| 15 |
|
|
#
|
| 16 |
|
|
# THIS PERMISSION IS PROVIDED WITHOUT WARRANTY OF ANY KIND, EITHER
|
| 17 |
|
|
# EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES
|
| 18 |
|
|
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
| 19 |
|
|
#
|
| 20 |
|
|
# --
|
| 21 |
|
|
#
|
| 22 |
|
|
# This program is free software; you can redistribute it and/or modify
|
| 23 |
|
|
# it under the terms of the GNU General Public License as published by
|
| 24 |
|
|
# the Free Software Foundation; either version 2 of the License, or
|
| 25 |
|
|
# (at your option) any later version.
|
| 26 |
|
|
#
|
| 27 |
|
|
# This program is distributed in the hope that it will be useful,
|
| 28 |
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 29 |
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 30 |
|
|
# GNU General Public License for more details.
|
| 31 |
|
|
#
|
| 32 |
|
|
# You should have received a copy of the GNU General Public License
|
| 33 |
|
|
# along with this program; if not, write to the Free Software
|
| 34 |
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
| 35 |
|
|
#
|
| 36 |
|
|
|
| 37 |
|
|
# PowerPC models
|
| 38 |
|
|
::model:604:ppc604: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0
|
| 39 |
|
|
::model:603e:ppc603e:PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0
|
| 40 |
|
|
::model:603:ppc603: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0
|
| 41 |
|
|
::model:601:ppc601: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0
|
| 42 |
|
|
|
| 43 |
|
|
# Flags for model.h
|
| 44 |
|
|
::model-macro:::
|
| 45 |
|
|
#define PPC_INSN_INT(OUT_MASK, IN_MASK, RC) \
|
| 46 |
|
|
do { \
|
| 47 |
|
|
if (CURRENT_MODEL_ISSUE > 0) { \
|
| 48 |
|
|
if (RC) \
|
| 49 |
|
|
ppc_insn_int_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \
|
| 50 |
|
|
else \
|
| 51 |
|
|
ppc_insn_int(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK); \
|
| 52 |
|
|
} \
|
| 53 |
|
|
} while (0)
|
| 54 |
|
|
|
| 55 |
|
|
#define PPC_INSN_INT_CR(OUT_MASK, IN_MASK, CR_MASK) \
|
| 56 |
|
|
do { \
|
| 57 |
|
|
if (CURRENT_MODEL_ISSUE > 0) \
|
| 58 |
|
|
ppc_insn_int_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \
|
| 59 |
|
|
} while (0)
|
| 60 |
|
|
|
| 61 |
|
|
#define PPC_INSN_CR(OUT_MASK, IN_MASK) \
|
| 62 |
|
|
do { \
|
| 63 |
|
|
if (CURRENT_MODEL_ISSUE > 0) \
|
| 64 |
|
|
ppc_insn_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK); \
|
| 65 |
|
|
} while (0)
|
| 66 |
|
|
|
| 67 |
|
|
#define PPC_INSN_FLOAT(OUT_MASK, IN_MASK, RC) \
|
| 68 |
|
|
do { \
|
| 69 |
|
|
if (CURRENT_MODEL_ISSUE > 0) { \
|
| 70 |
|
|
if (RC) \
|
| 71 |
|
|
ppc_insn_float(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK); \
|
| 72 |
|
|
else \
|
| 73 |
|
|
ppc_insn_float_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \
|
| 74 |
|
|
} \
|
| 75 |
|
|
} while (0)
|
| 76 |
|
|
|
| 77 |
|
|
#define PPC_INSN_FLOAT_CR(OUT_MASK, IN_MASK, CR_MASK) \
|
| 78 |
|
|
do { \
|
| 79 |
|
|
if (CURRENT_MODEL_ISSUE > 0) \
|
| 80 |
|
|
ppc_insn_float_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \
|
| 81 |
|
|
} while (0)
|
| 82 |
|
|
|
| 83 |
|
|
#define PPC_INSN_INT_FLOAT(OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK) \
|
| 84 |
|
|
do { \
|
| 85 |
|
|
if (CURRENT_MODEL_ISSUE > 0) \
|
| 86 |
|
|
ppc_insn_int_float(MY_INDEX, cpu_model(processor), OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK); \
|
| 87 |
|
|
} while (0)
|
| 88 |
|
|
|
| 89 |
|
|
#define PPC_INSN_FROM_SPR(INT_MASK, SPR) \
|
| 90 |
|
|
do { \
|
| 91 |
|
|
if (CURRENT_MODEL_ISSUE > 0) \
|
| 92 |
|
|
ppc_insn_from_spr(MY_INDEX, cpu_model(processor), INT_MASK, SPR); \
|
| 93 |
|
|
} while (0)
|
| 94 |
|
|
|
| 95 |
|
|
#define PPC_INSN_TO_SPR(INT_MASK, SPR) \
|
| 96 |
|
|
do { \
|
| 97 |
|
|
if (CURRENT_MODEL_ISSUE > 0) \
|
| 98 |
|
|
ppc_insn_to_spr(MY_INDEX, cpu_model(processor), INT_MASK, SPR); \
|
| 99 |
|
|
} while (0)
|
| 100 |
|
|
|
| 101 |
|
|
#define PPC_INSN_MFCR(INT_MASK) \
|
| 102 |
|
|
do { \
|
| 103 |
|
|
if (CURRENT_MODEL_ISSUE > 0) \
|
| 104 |
|
|
ppc_insn_mfcr(MY_INDEX, cpu_model(processor), INT_MASK); \
|
| 105 |
|
|
} while (0)
|
| 106 |
|
|
|
| 107 |
|
|
#define PPC_INSN_MTCR(INT_MASK, FXM) \
|
| 108 |
|
|
do { \
|
| 109 |
|
|
if (CURRENT_MODEL_ISSUE > 0) \
|
| 110 |
|
|
ppc_insn_mtcr(MY_INDEX, cpu_model(processor), INT_MASK, FXM); \
|
| 111 |
|
|
} while (0)
|
| 112 |
|
|
|
| 113 |
|
|
::model-data:::
|
| 114 |
|
|
typedef enum _ppc_function_unit {
|
| 115 |
|
|
PPC_UNIT_BAD, /* unknown function unit */
|
| 116 |
|
|
PPC_UNIT_IU, /* integer unit (601/603 style) */
|
| 117 |
|
|
PPC_UNIT_SRU, /* system register unit (601/603 style) */
|
| 118 |
|
|
PPC_UNIT_SCIU1, /* 1st single cycle integer unit (604 style) */
|
| 119 |
|
|
PPC_UNIT_SCIU2, /* 2nd single cycle integer unit (604 style) */
|
| 120 |
|
|
PPC_UNIT_MCIU, /* multiple cycle integer unit (604 style) */
|
| 121 |
|
|
PPC_UNIT_FPU, /* floating point unit */
|
| 122 |
|
|
PPC_UNIT_LSU, /* load/store unit */
|
| 123 |
|
|
PPC_UNIT_BPU, /* branch unit */
|
| 124 |
|
|
nr_ppc_function_units
|
| 125 |
|
|
} ppc_function_unit;
|
| 126 |
|
|
|
| 127 |
|
|
/* Structure to hold timing information on a per instruction basis */
|
| 128 |
|
|
struct _model_time {
|
| 129 |
|
|
ppc_function_unit first_unit; /* first functional unit this insn could use */
|
| 130 |
|
|
ppc_function_unit second_unit; /* second functional unit this insn could use */
|
| 131 |
|
|
signed16 issue; /* # cycles before function unit can process other insns */
|
| 132 |
|
|
signed16 done; /* # cycles before insn is done */
|
| 133 |
|
|
unsigned32 flags; /* any flags that are needed */
|
| 134 |
|
|
};
|
| 135 |
|
|
|
| 136 |
|
|
/* Register mappings in status masks */
|
| 137 |
|
|
#define PPC_CR_REG 0 /* start of CR0 .. CR7 */
|
| 138 |
|
|
#define PPC_FPSCR_REG (PPC_CR_REG + 8) /* start of fpscr register */
|
| 139 |
|
|
|
| 140 |
|
|
#define PPC_NO_SPR (-1) /* flag for no SPR register */
|
| 141 |
|
|
|
| 142 |
|
|
/* Return if 1 bit set */
|
| 143 |
|
|
#define PPC_ONE_BIT_SET_P(x) (((x) & ((x)-1)) == 0)
|
| 144 |
|
|
|
| 145 |
|
|
/* Structure for each functional unit that is busy */
|
| 146 |
|
|
typedef struct _model_busy model_busy;
|
| 147 |
|
|
struct _model_busy {
|
| 148 |
|
|
model_busy *next; /* next function unit */
|
| 149 |
|
|
ppc_function_unit unit; /* function unit name */
|
| 150 |
|
|
unsigned32 int_busy; /* int registers that are busy */
|
| 151 |
|
|
unsigned32 fp_busy; /* floating point registers that are busy */
|
| 152 |
|
|
unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */
|
| 153 |
|
|
signed16 spr_busy; /* SPR register that is busy or PPC_NO_SPR */
|
| 154 |
|
|
signed16 issue; /* # of cycles until unit can accept another insn */
|
| 155 |
|
|
signed16 done; /* # of cycles until insn is done */
|
| 156 |
|
|
signed16 nr_writebacks; /* # of registers this unit writes back */
|
| 157 |
|
|
};
|
| 158 |
|
|
|
| 159 |
|
|
/* Structure to hold the current state information for the simulated CPU model */
|
| 160 |
|
|
struct _model_data {
|
| 161 |
|
|
cpu *processor; /* point back to processor */
|
| 162 |
|
|
const char *name; /* model name */
|
| 163 |
|
|
const model_time *timing; /* timing information */
|
| 164 |
|
|
model_busy busy_head; /* dummy entry to head list of busy function units */
|
| 165 |
|
|
model_busy *busy_tail; /* tail of list of busy function units */
|
| 166 |
|
|
model_busy *free_list; /* list of model_busy structs not in use */
|
| 167 |
|
|
count_type nr_cycles; /* # cycles */
|
| 168 |
|
|
count_type nr_branches; /* # branches */
|
| 169 |
|
|
count_type nr_branches_fallthrough; /* # conditional branches that fell through */
|
| 170 |
|
|
count_type nr_branch_predict_trues; /* # branches predicted correctly */
|
| 171 |
|
|
count_type nr_branch_predict_falses; /* # branches predicted incorrectly */
|
| 172 |
|
|
count_type nr_branch_conditional[32]; /* # of each type of bc */
|
| 173 |
|
|
count_type nr_mtcrf_crs[9]; /* # of CR's moved in a mtcrf instruction */
|
| 174 |
|
|
count_type nr_stalls_data; /* # of stalls for data */
|
| 175 |
|
|
count_type nr_stalls_unit; /* # of stalls waiting for a function unit */
|
| 176 |
|
|
count_type nr_stalls_serialize; /* # of stalls waiting for things to quiet down */
|
| 177 |
|
|
count_type nr_stalls_writeback; /* # of stalls waiting for a writeback slot */
|
| 178 |
|
|
count_type nr_units[nr_ppc_function_units]; /* function unit counts */
|
| 179 |
|
|
int max_nr_writebacks; /* max # of writeback slots available */
|
| 180 |
|
|
unsigned32 int_busy; /* int registers that are busy */
|
| 181 |
|
|
unsigned32 fp_busy; /* floating point registers that are busy */
|
| 182 |
|
|
unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */
|
| 183 |
|
|
unsigned8 spr_busy[nr_of_sprs]; /* SPR registers that are busy */
|
| 184 |
|
|
unsigned8 busy[nr_ppc_function_units]; /* whether a function is busy or not */
|
| 185 |
|
|
};
|
| 186 |
|
|
|
| 187 |
|
|
static const char *const ppc_function_unit_name[ (int)nr_ppc_function_units ] = {
|
| 188 |
|
|
"unknown functional unit instruction",
|
| 189 |
|
|
"integer functional unit instruction",
|
| 190 |
|
|
"system register functional unit instruction",
|
| 191 |
|
|
"1st single cycle integer functional unit instruction",
|
| 192 |
|
|
"2nd single cycle integer functional unit instruction",
|
| 193 |
|
|
"multiple cycle integer functional unit instruction",
|
| 194 |
|
|
"floating point functional unit instruction",
|
| 195 |
|
|
"load/store functional unit instruction",
|
| 196 |
|
|
"branch functional unit instruction",
|
| 197 |
|
|
};
|
| 198 |
|
|
|
| 199 |
|
|
static const char *const ppc_branch_conditional_name[32] = {
|
| 200 |
|
|
"branch if --CTR != 0 and condition is FALSE", /* 0000y */
|
| 201 |
|
|
"branch if --CTR != 0 and condition is FALSE, reverse branch likely",
|
| 202 |
|
|
"branch if --CTR == 0 and condition is FALSE", /* 0001y */
|
| 203 |
|
|
"branch if --CTR == 0 and condition is FALSE, reverse branch likely",
|
| 204 |
|
|
"branch if the condition is FALSE", /* 001zy */
|
| 205 |
|
|
"branch if the condition is FALSE, reverse branch likely",
|
| 206 |
|
|
"branch if the condition is FALSE (ignored bit 1 set to 1)", /* 001zy */
|
| 207 |
|
|
"branch if the condition is FALSE, reverse branch likely (ignored bit 4 set to 1)",
|
| 208 |
|
|
"branch if --CTR != 0 and condition is TRUE", /* 0100y */
|
| 209 |
|
|
"branch if --CTR != 0 and condition is TRUE, reverse branch likely",
|
| 210 |
|
|
"branch if --CTR == 0 and condition is TRUE", /* 0101y */
|
| 211 |
|
|
"branch if --CTR == 0 and condition is TRUE, reverse branch likely",
|
| 212 |
|
|
"branch if the condition is TRUE", /* 011zy */
|
| 213 |
|
|
"branch if the condition is TRUE, reverse branch likely",
|
| 214 |
|
|
"branch if the condition is TRUE (ignored bit 1 set to 1)", /* 011zy */
|
| 215 |
|
|
"branch if the condition is TRUE, reverse branch likely (ignored bit 4 set to 1)",
|
| 216 |
|
|
"branch if --CTR != 0", /* 1z00y */
|
| 217 |
|
|
"branch if --CTR != 0, reverse branch likely",
|
| 218 |
|
|
"branch if --CTR == 0", /* 1z01y */
|
| 219 |
|
|
"branch if --CTR == 0, reverse branch likely",
|
| 220 |
|
|
"branch always", /* 1z1zz */
|
| 221 |
|
|
"branch always (ignored bit 5 set to 1)",
|
| 222 |
|
|
"branch always (ignored bit 4 set to 1)", /* 1z1zz */
|
| 223 |
|
|
"branch always (ignored bits 4,5 set to 1)",
|
| 224 |
|
|
"branch if --CTR != 0 (ignored bit 1 set to 1)", /* 1z00y */
|
| 225 |
|
|
"branch if --CTR != 0, reverse branch likely (ignored bit 1 set to 1)",
|
| 226 |
|
|
"branch if --CTR == 0 (ignored bit 1 set to 1)", /* 1z01y */
|
| 227 |
|
|
"branch if --CTR == 0, reverse branch likely (ignored bit 1 set to 1)",
|
| 228 |
|
|
"branch always (ignored bit 1 set to 1)", /* 1z1zz */
|
| 229 |
|
|
"branch always (ignored bits 1,5 set to 1)",
|
| 230 |
|
|
"branch always (ignored bits 1,4 set to 1)", /* 1z1zz */
|
| 231 |
|
|
"branch always (ignored bits 1,4,5 set to 1)",
|
| 232 |
|
|
};
|
| 233 |
|
|
|
| 234 |
|
|
static const char *const ppc_nr_mtcrf_crs[9] = {
|
| 235 |
|
|
"mtcrf moving 0 CRs",
|
| 236 |
|
|
"mtcrf moving 1 CR",
|
| 237 |
|
|
"mtcrf moving 2 CRs",
|
| 238 |
|
|
"mtcrf moving 3 CRs",
|
| 239 |
|
|
"mtcrf moving 4 CRs",
|
| 240 |
|
|
"mtcrf moving 5 CRs",
|
| 241 |
|
|
"mtcrf moving 6 CRs",
|
| 242 |
|
|
"mtcrf moving 7 CRs",
|
| 243 |
|
|
"mtcrf moving all CRs",
|
| 244 |
|
|
};
|
| 245 |
|
|
|
| 246 |
|
|
# Trace releasing resources
|
| 247 |
|
|
void::model-static::model_trace_release:model_data *model_ptr, model_busy *busy
|
| 248 |
|
|
int i;
|
| 249 |
|
|
TRACE(trace_model,("done, %s, %d writeback%s\n", ppc_function_unit_name[busy->unit],
|
| 250 |
|
|
busy->nr_writebacks, busy->nr_writebacks == 1 ? "" : "s"));
|
| 251 |
|
|
if (busy->int_busy) {
|
| 252 |
|
|
for(i = 0; i < 32; i++) {
|
| 253 |
|
|
if (((1 << i) & busy->int_busy) != 0) {
|
| 254 |
|
|
TRACE(trace_model, ("Register r%d is now available.\n", i));
|
| 255 |
|
|
}
|
| 256 |
|
|
}
|
| 257 |
|
|
}
|
| 258 |
|
|
if (busy->fp_busy) {
|
| 259 |
|
|
for(i = 0; i < 32; i++) {
|
| 260 |
|
|
if (((1 << i) & busy->fp_busy) != 0) {
|
| 261 |
|
|
TRACE(trace_model, ("Register f%d is now available.\n", i));
|
| 262 |
|
|
}
|
| 263 |
|
|
}
|
| 264 |
|
|
}
|
| 265 |
|
|
if (busy->cr_fpscr_busy) {
|
| 266 |
|
|
for(i = 0; i < 8; i++) {
|
| 267 |
|
|
if (((1 << i) & busy->cr_fpscr_busy) != 0) {
|
| 268 |
|
|
TRACE(trace_model, ("Register cr%d is now available.\n", i));
|
| 269 |
|
|
}
|
| 270 |
|
|
}
|
| 271 |
|
|
if (busy->cr_fpscr_busy & 0x100)
|
| 272 |
|
|
TRACE(trace_model, ("Register fpscr is now available.\n"));
|
| 273 |
|
|
}
|
| 274 |
|
|
if (busy->spr_busy != PPC_NO_SPR)
|
| 275 |
|
|
TRACE(trace_model, ("Register %s is now available.\n", spr_name(busy->spr_busy)));
|
| 276 |
|
|
|
| 277 |
|
|
# Trace making registers busy
|
| 278 |
|
|
void::model-static::model_trace_make_busy:model_data *model_ptr, unsigned32 int_mask, unsigned32 fp_mask, unsigned32 cr_mask
|
| 279 |
|
|
int i;
|
| 280 |
|
|
if (int_mask) {
|
| 281 |
|
|
for(i = 0; i < 32; i++) {
|
| 282 |
|
|
if (((1 << i) & int_mask) != 0) {
|
| 283 |
|
|
TRACE(trace_model, ("Register r%d is now busy.\n", i));
|
| 284 |
|
|
}
|
| 285 |
|
|
}
|
| 286 |
|
|
}
|
| 287 |
|
|
if (fp_mask) {
|
| 288 |
|
|
for(i = 0; i < 32; i++) {
|
| 289 |
|
|
if (((1 << i) & fp_mask) != 0) {
|
| 290 |
|
|
TRACE(trace_model, ("Register f%d is now busy.\n", i));
|
| 291 |
|
|
}
|
| 292 |
|
|
}
|
| 293 |
|
|
}
|
| 294 |
|
|
if (cr_mask) {
|
| 295 |
|
|
for(i = 0; i < 8; i++) {
|
| 296 |
|
|
if (((1 << i) & cr_mask) != 0) {
|
| 297 |
|
|
TRACE(trace_model, ("Register cr%d is now busy.\n", i));
|
| 298 |
|
|
}
|
| 299 |
|
|
}
|
| 300 |
|
|
}
|
| 301 |
|
|
|
| 302 |
|
|
# Trace waiting for registers to become available
|
| 303 |
|
|
void::model-static::model_trace_busy_p:model_data *model_ptr, unsigned32 int_busy, unsigned32 fp_busy, unsigned32 cr_or_fpscr_busy, int spr_busy
|
| 304 |
|
|
int i;
|
| 305 |
|
|
if (int_busy) {
|
| 306 |
|
|
int_busy &= model_ptr->int_busy;
|
| 307 |
|
|
for(i = 0; i < 32; i++) {
|
| 308 |
|
|
if (((1 << i) & int_busy) != 0) {
|
| 309 |
|
|
TRACE(trace_model, ("Waiting for register r%d.\n", i));
|
| 310 |
|
|
}
|
| 311 |
|
|
}
|
| 312 |
|
|
}
|
| 313 |
|
|
if (fp_busy) {
|
| 314 |
|
|
fp_busy &= model_ptr->fp_busy;
|
| 315 |
|
|
for(i = 0; i < 32; i++) {
|
| 316 |
|
|
if (((1 << i) & fp_busy) != 0) {
|
| 317 |
|
|
TRACE(trace_model, ("Waiting for register f%d.\n", i));
|
| 318 |
|
|
}
|
| 319 |
|
|
}
|
| 320 |
|
|
}
|
| 321 |
|
|
if (cr_or_fpscr_busy) {
|
| 322 |
|
|
cr_or_fpscr_busy &= model_ptr->cr_fpscr_busy;
|
| 323 |
|
|
for(i = 0; i < 8; i++) {
|
| 324 |
|
|
if (((1 << i) & cr_or_fpscr_busy) != 0) {
|
| 325 |
|
|
TRACE(trace_model, ("Waiting for register cr%d.\n", i));
|
| 326 |
|
|
}
|
| 327 |
|
|
}
|
| 328 |
|
|
if (cr_or_fpscr_busy & 0x100)
|
| 329 |
|
|
TRACE(trace_model, ("Waiting for register fpscr.\n"));
|
| 330 |
|
|
}
|
| 331 |
|
|
if (spr_busy != PPC_NO_SPR && model_ptr->spr_busy[spr_busy])
|
| 332 |
|
|
TRACE(trace_model, ("Waiting for register %s.\n", spr_name(spr_busy)));
|
| 333 |
|
|
|
| 334 |
|
|
# Advance state to next cycle, releasing any registers allocated
|
| 335 |
|
|
void::model-internal::model_new_cycle:model_data *model_ptr
|
| 336 |
|
|
model_busy *cur_busy = model_ptr->busy_head.next;
|
| 337 |
|
|
model_busy *free_list = model_ptr->free_list;
|
| 338 |
|
|
model_busy *busy_tail = &model_ptr->busy_head;
|
| 339 |
|
|
int nr_writebacks = model_ptr->max_nr_writebacks;
|
| 340 |
|
|
model_busy *next;
|
| 341 |
|
|
|
| 342 |
|
|
model_ptr->nr_cycles++;
|
| 343 |
|
|
TRACE(trace_model,("New cycle %lu\n", (unsigned long)model_ptr->nr_cycles));
|
| 344 |
|
|
for ( ; cur_busy; cur_busy = next) {
|
| 345 |
|
|
next = cur_busy->next;
|
| 346 |
|
|
if (--cur_busy->done <= 0) { /* function unit done, release registers if we have writeback slots */
|
| 347 |
|
|
nr_writebacks -= cur_busy->nr_writebacks;
|
| 348 |
|
|
if (nr_writebacks >= 0) {
|
| 349 |
|
|
model_ptr->int_busy &= ~cur_busy->int_busy;
|
| 350 |
|
|
model_ptr->fp_busy &= ~cur_busy->fp_busy;
|
| 351 |
|
|
model_ptr->cr_fpscr_busy &= ~cur_busy->cr_fpscr_busy;
|
| 352 |
|
|
if (cur_busy->spr_busy != PPC_NO_SPR)
|
| 353 |
|
|
model_ptr->spr_busy[cur_busy->spr_busy] = 0;
|
| 354 |
|
|
|
| 355 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 356 |
|
|
model_trace_release(model_ptr, cur_busy);
|
| 357 |
|
|
|
| 358 |
|
|
model_ptr->busy[cur_busy->unit] = 0;
|
| 359 |
|
|
cur_busy->next = free_list;
|
| 360 |
|
|
free_list = cur_busy;
|
| 361 |
|
|
}
|
| 362 |
|
|
else { /* writeback slots not available */
|
| 363 |
|
|
TRACE(trace_model,("%d writeback slot%s not available for %s\n",
|
| 364 |
|
|
cur_busy->nr_writebacks,
|
| 365 |
|
|
cur_busy->nr_writebacks == 1 ? " is" : "s are",
|
| 366 |
|
|
ppc_function_unit_name[cur_busy->unit]));
|
| 367 |
|
|
cur_busy->done++; /* undo -- above */
|
| 368 |
|
|
model_ptr->nr_stalls_writeback++;
|
| 369 |
|
|
busy_tail->next = cur_busy;
|
| 370 |
|
|
busy_tail = cur_busy;
|
| 371 |
|
|
}
|
| 372 |
|
|
}
|
| 373 |
|
|
else if (--cur_busy->issue <= 0) { /* function unit pipelined, allow new use */
|
| 374 |
|
|
TRACE(trace_model,("pipeline, %s ready for next client\n", ppc_function_unit_name[cur_busy->unit]));
|
| 375 |
|
|
model_ptr->busy[cur_busy->unit] = 0;
|
| 376 |
|
|
busy_tail->next = cur_busy;
|
| 377 |
|
|
busy_tail = cur_busy;
|
| 378 |
|
|
}
|
| 379 |
|
|
else {
|
| 380 |
|
|
TRACE(trace_model,("%s still working, issue = %d, done = %d\n",
|
| 381 |
|
|
ppc_function_unit_name[cur_busy->unit],
|
| 382 |
|
|
cur_busy->issue,
|
| 383 |
|
|
cur_busy->done));
|
| 384 |
|
|
busy_tail->next = cur_busy;
|
| 385 |
|
|
busy_tail = cur_busy;
|
| 386 |
|
|
}
|
| 387 |
|
|
}
|
| 388 |
|
|
|
| 389 |
|
|
busy_tail->next = (model_busy *)0;
|
| 390 |
|
|
model_ptr->busy_tail = busy_tail;
|
| 391 |
|
|
model_ptr->free_list = free_list;
|
| 392 |
|
|
|
| 393 |
|
|
# Mark a function unit as busy, return the busy structure
|
| 394 |
|
|
model_busy *::model-internal::model_make_busy:model_data *model_ptr, ppc_function_unit unit, int issue, int done
|
| 395 |
|
|
model_busy *busy;
|
| 396 |
|
|
|
| 397 |
|
|
TRACE(trace_model,("unit = %s, issue = %d, done = %d\n", ppc_function_unit_name[unit], issue, done));
|
| 398 |
|
|
|
| 399 |
|
|
if (!model_ptr->free_list) {
|
| 400 |
|
|
busy = ZALLOC(model_busy);
|
| 401 |
|
|
}
|
| 402 |
|
|
else {
|
| 403 |
|
|
busy = model_ptr->free_list;
|
| 404 |
|
|
model_ptr->free_list = busy->next;
|
| 405 |
|
|
busy->next = (model_busy *)0;
|
| 406 |
|
|
busy->int_busy = 0;
|
| 407 |
|
|
busy->fp_busy = 0;
|
| 408 |
|
|
busy->cr_fpscr_busy = 0;
|
| 409 |
|
|
busy->nr_writebacks = 0;
|
| 410 |
|
|
}
|
| 411 |
|
|
|
| 412 |
|
|
busy->unit = unit;
|
| 413 |
|
|
busy->issue = issue;
|
| 414 |
|
|
busy->done = done;
|
| 415 |
|
|
busy->spr_busy = PPC_NO_SPR;
|
| 416 |
|
|
model_ptr->busy_tail->next = busy;
|
| 417 |
|
|
model_ptr->busy_tail = busy;
|
| 418 |
|
|
model_ptr->busy[unit] = 1;
|
| 419 |
|
|
model_ptr->nr_units[unit]++;
|
| 420 |
|
|
return busy;
|
| 421 |
|
|
|
| 422 |
|
|
# Wait until a function unit is non-busy, and then allocate a busy pointer & return the pointer
|
| 423 |
|
|
model_busy *::model-internal::model_wait_for_unit:itable_index index, model_data *const model_ptr, const model_time *const time_ptr
|
| 424 |
|
|
ppc_function_unit first_unit = time_ptr->first_unit;
|
| 425 |
|
|
ppc_function_unit second_unit = time_ptr->second_unit;
|
| 426 |
|
|
int stall_increment = 0;
|
| 427 |
|
|
|
| 428 |
|
|
for (;;) {
|
| 429 |
|
|
if (!model_ptr->busy[first_unit])
|
| 430 |
|
|
return model_make_busy(model_ptr, first_unit,
|
| 431 |
|
|
model_ptr->timing[index].issue,
|
| 432 |
|
|
model_ptr->timing[index].done);
|
| 433 |
|
|
|
| 434 |
|
|
if (!model_ptr->busy[second_unit])
|
| 435 |
|
|
return model_make_busy(model_ptr, second_unit,
|
| 436 |
|
|
model_ptr->timing[index].issue,
|
| 437 |
|
|
model_ptr->timing[index].done);
|
| 438 |
|
|
|
| 439 |
|
|
TRACE(trace_model,("all function units are busy for %s\n", itable[index].name));
|
| 440 |
|
|
model_ptr->nr_stalls_unit += stall_increment; /* don't count first stall */
|
| 441 |
|
|
stall_increment = 1;
|
| 442 |
|
|
model_new_cycle(model_ptr);
|
| 443 |
|
|
}
|
| 444 |
|
|
|
| 445 |
|
|
# Serialize the processor, waiting for all instructions to drain out before adding an instruction.
|
| 446 |
|
|
void::model-function::model_serialize:itable_index index, model_data *model_ptr
|
| 447 |
|
|
while (model_ptr->busy_head.next) {
|
| 448 |
|
|
TRACE(trace_model,("waiting for pipeline to empty\n"));
|
| 449 |
|
|
model_ptr->nr_stalls_serialize++;
|
| 450 |
|
|
model_new_cycle(model_ptr);
|
| 451 |
|
|
}
|
| 452 |
|
|
(void) model_make_busy(model_ptr,
|
| 453 |
|
|
model_ptr->timing[index].first_unit,
|
| 454 |
|
|
model_ptr->timing[index].issue,
|
| 455 |
|
|
model_ptr->timing[index].done);
|
| 456 |
|
|
|
| 457 |
|
|
# Wait for a CR to become unbusy
|
| 458 |
|
|
void::model-function::model_wait_for_cr:model_data *model_ptr, unsigned CRBIT
|
| 459 |
|
|
unsigned u;
|
| 460 |
|
|
unsigned32 cr_mask;
|
| 461 |
|
|
int cr_var = 0;
|
| 462 |
|
|
for (u = 0xc0000000; (u != 0) && (CRBIT & u) == 0; u >>= 4 )
|
| 463 |
|
|
cr_var++;
|
| 464 |
|
|
|
| 465 |
|
|
cr_mask = (1 << cr_var);
|
| 466 |
|
|
while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) {
|
| 467 |
|
|
TRACE(trace_model,("waiting for CR %d\n", cr_var));
|
| 468 |
|
|
model_ptr->nr_stalls_data++;
|
| 469 |
|
|
model_new_cycle(model_ptr);
|
| 470 |
|
|
}
|
| 471 |
|
|
|
| 472 |
|
|
# Schedule an instruction that takes integer input registers and produces output registers
|
| 473 |
|
|
void::model-function::ppc_insn_int:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask
|
| 474 |
|
|
const unsigned32 int_mask = out_mask | in_mask;
|
| 475 |
|
|
model_busy *busy_ptr;
|
| 476 |
|
|
|
| 477 |
|
|
if ((model_ptr->int_busy & int_mask) != 0) {
|
| 478 |
|
|
model_new_cycle(model_ptr); /* don't count first dependency as a stall */
|
| 479 |
|
|
|
| 480 |
|
|
while ((model_ptr->int_busy & int_mask) != 0) {
|
| 481 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 482 |
|
|
model_trace_busy_p(model_ptr, int_mask, 0, 0, PPC_NO_SPR);
|
| 483 |
|
|
|
| 484 |
|
|
model_ptr->nr_stalls_data++;
|
| 485 |
|
|
model_new_cycle(model_ptr);
|
| 486 |
|
|
}
|
| 487 |
|
|
}
|
| 488 |
|
|
|
| 489 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]);
|
| 490 |
|
|
model_ptr->int_busy |= out_mask;
|
| 491 |
|
|
busy_ptr->int_busy |= out_mask;
|
| 492 |
|
|
if (out_mask)
|
| 493 |
|
|
busy_ptr->nr_writebacks = (PPC_ONE_BIT_SET_P(out_mask)) ? 1 : 2;
|
| 494 |
|
|
|
| 495 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 496 |
|
|
model_trace_make_busy(model_ptr, out_mask, 0, 0);
|
| 497 |
|
|
|
| 498 |
|
|
# Schedule an instruction that takes integer input registers and produces output registers & sets a CR register
|
| 499 |
|
|
void::model-function::ppc_insn_int_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask
|
| 500 |
|
|
const unsigned32 int_mask = out_mask | in_mask;
|
| 501 |
|
|
model_busy *busy_ptr;
|
| 502 |
|
|
|
| 503 |
|
|
if ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) {
|
| 504 |
|
|
model_new_cycle(model_ptr); /* don't count first dependency as a stall */
|
| 505 |
|
|
|
| 506 |
|
|
while ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) {
|
| 507 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 508 |
|
|
model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR);
|
| 509 |
|
|
|
| 510 |
|
|
model_ptr->nr_stalls_data++;
|
| 511 |
|
|
model_new_cycle(model_ptr);
|
| 512 |
|
|
}
|
| 513 |
|
|
}
|
| 514 |
|
|
|
| 515 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]);
|
| 516 |
|
|
model_ptr->int_busy |= out_mask;
|
| 517 |
|
|
busy_ptr->int_busy |= out_mask;
|
| 518 |
|
|
model_ptr->cr_fpscr_busy |= cr_mask;
|
| 519 |
|
|
busy_ptr->cr_fpscr_busy |= cr_mask;
|
| 520 |
|
|
if (out_mask)
|
| 521 |
|
|
busy_ptr->nr_writebacks = (PPC_ONE_BIT_SET_P(out_mask)) ? 1 : 2;
|
| 522 |
|
|
|
| 523 |
|
|
if (cr_mask)
|
| 524 |
|
|
busy_ptr->nr_writebacks++;
|
| 525 |
|
|
|
| 526 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 527 |
|
|
model_trace_make_busy(model_ptr, out_mask, 0, cr_mask);
|
| 528 |
|
|
|
| 529 |
|
|
|
| 530 |
|
|
# Schedule an instruction that takes CR input registers and produces output CR registers
|
| 531 |
|
|
void::model-function::ppc_insn_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask
|
| 532 |
|
|
const unsigned32 cr_mask = out_mask | in_mask;
|
| 533 |
|
|
model_busy *busy_ptr;
|
| 534 |
|
|
|
| 535 |
|
|
if ((model_ptr->cr_fpscr_busy & cr_mask) != 0) {
|
| 536 |
|
|
model_new_cycle(model_ptr); /* don't count first dependency as a stall */
|
| 537 |
|
|
|
| 538 |
|
|
while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) {
|
| 539 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 540 |
|
|
model_trace_busy_p(model_ptr, 0, 0, cr_mask, PPC_NO_SPR);
|
| 541 |
|
|
|
| 542 |
|
|
model_ptr->nr_stalls_data++;
|
| 543 |
|
|
model_new_cycle(model_ptr);
|
| 544 |
|
|
}
|
| 545 |
|
|
}
|
| 546 |
|
|
|
| 547 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]);
|
| 548 |
|
|
model_ptr->cr_fpscr_busy |= out_mask;
|
| 549 |
|
|
busy_ptr->cr_fpscr_busy |= out_mask;
|
| 550 |
|
|
if (out_mask)
|
| 551 |
|
|
busy_ptr->nr_writebacks = 1;
|
| 552 |
|
|
|
| 553 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 554 |
|
|
model_trace_make_busy(model_ptr, 0, 0, out_mask);
|
| 555 |
|
|
|
| 556 |
|
|
|
| 557 |
|
|
# Schedule an instruction that takes floating point input registers and produces an output fp register
|
| 558 |
|
|
void::model-function::ppc_insn_float:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask
|
| 559 |
|
|
const unsigned32 fp_mask = out_mask | in_mask;
|
| 560 |
|
|
model_busy *busy_ptr;
|
| 561 |
|
|
|
| 562 |
|
|
if ((model_ptr->fp_busy & fp_mask) != 0) {
|
| 563 |
|
|
model_new_cycle(model_ptr); /* don't count first dependency as a stall */
|
| 564 |
|
|
|
| 565 |
|
|
while ((model_ptr->fp_busy & fp_mask) != 0) {
|
| 566 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 567 |
|
|
model_trace_busy_p(model_ptr, 0, fp_mask, 0, PPC_NO_SPR);
|
| 568 |
|
|
|
| 569 |
|
|
model_ptr->nr_stalls_data++;
|
| 570 |
|
|
model_new_cycle(model_ptr);
|
| 571 |
|
|
}
|
| 572 |
|
|
}
|
| 573 |
|
|
|
| 574 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]);
|
| 575 |
|
|
model_ptr->fp_busy |= out_mask;
|
| 576 |
|
|
busy_ptr->fp_busy |= out_mask;
|
| 577 |
|
|
busy_ptr->nr_writebacks = 1;
|
| 578 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 579 |
|
|
model_trace_make_busy(model_ptr, 0, out_mask, 0);
|
| 580 |
|
|
|
| 581 |
|
|
|
| 582 |
|
|
# Schedule an instruction that takes floating point input registers and produces an output fp register & sets a CR reg
|
| 583 |
|
|
void::model-function::ppc_insn_float_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask
|
| 584 |
|
|
const unsigned32 fp_mask = out_mask | in_mask;
|
| 585 |
|
|
model_busy *busy_ptr;
|
| 586 |
|
|
|
| 587 |
|
|
if ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) {
|
| 588 |
|
|
model_new_cycle(model_ptr); /* don't count first dependency as a stall */
|
| 589 |
|
|
|
| 590 |
|
|
while ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) {
|
| 591 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 592 |
|
|
model_trace_busy_p(model_ptr, 0, fp_mask, cr_mask, PPC_NO_SPR);
|
| 593 |
|
|
|
| 594 |
|
|
model_ptr->nr_stalls_data++;
|
| 595 |
|
|
model_new_cycle(model_ptr);
|
| 596 |
|
|
}
|
| 597 |
|
|
}
|
| 598 |
|
|
|
| 599 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]);
|
| 600 |
|
|
model_ptr->fp_busy |= out_mask;
|
| 601 |
|
|
busy_ptr->fp_busy |= out_mask;
|
| 602 |
|
|
model_ptr->cr_fpscr_busy |= cr_mask;
|
| 603 |
|
|
busy_ptr->cr_fpscr_busy |= cr_mask;
|
| 604 |
|
|
busy_ptr->nr_writebacks = (cr_mask) ? 2 : 1;
|
| 605 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 606 |
|
|
model_trace_make_busy(model_ptr, 0, out_mask, cr_mask);
|
| 607 |
|
|
|
| 608 |
|
|
|
| 609 |
|
|
# Schedule an instruction that takes both int/float input registers and produces output int/float registers
|
| 610 |
|
|
void::model-function::ppc_insn_int_float:itable_index index, model_data *model_ptr, const unsigned32 out_int_mask, const unsigned32 out_fp_mask, const unsigned32 in_int_mask, const unsigned32 in_fp_mask
|
| 611 |
|
|
const unsigned32 int_mask = out_int_mask | in_int_mask;
|
| 612 |
|
|
const unsigned32 fp_mask = out_fp_mask | in_fp_mask;
|
| 613 |
|
|
model_busy *busy_ptr;
|
| 614 |
|
|
|
| 615 |
|
|
if ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) {
|
| 616 |
|
|
model_new_cycle(model_ptr); /* don't count first dependency as a stall */
|
| 617 |
|
|
|
| 618 |
|
|
while ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) {
|
| 619 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 620 |
|
|
model_trace_busy_p(model_ptr, int_mask, fp_mask, 0, PPC_NO_SPR);
|
| 621 |
|
|
|
| 622 |
|
|
model_ptr->nr_stalls_data++;
|
| 623 |
|
|
model_new_cycle(model_ptr);
|
| 624 |
|
|
}
|
| 625 |
|
|
|
| 626 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]);
|
| 627 |
|
|
model_ptr->int_busy |= out_int_mask;
|
| 628 |
|
|
busy_ptr->int_busy |= out_int_mask;
|
| 629 |
|
|
model_ptr->fp_busy |= out_fp_mask;
|
| 630 |
|
|
busy_ptr->fp_busy |= out_fp_mask;
|
| 631 |
|
|
busy_ptr->nr_writebacks = ((out_int_mask) ? 1 : 0) + ((out_fp_mask) ? 1 : 0);
|
| 632 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 633 |
|
|
model_trace_make_busy(model_ptr, out_int_mask, out_fp_mask, 0);
|
| 634 |
|
|
return;
|
| 635 |
|
|
}
|
| 636 |
|
|
|
| 637 |
|
|
# Schedule an MFSPR instruction that takes 1 special purpose register and produces an integer output register
|
| 638 |
|
|
void::model-function::ppc_insn_from_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR
|
| 639 |
|
|
model_busy *busy_ptr;
|
| 640 |
|
|
|
| 641 |
|
|
while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) {
|
| 642 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 643 |
|
|
model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR);
|
| 644 |
|
|
|
| 645 |
|
|
model_ptr->nr_stalls_data++;
|
| 646 |
|
|
model_new_cycle(model_ptr);
|
| 647 |
|
|
}
|
| 648 |
|
|
|
| 649 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]);
|
| 650 |
|
|
model_ptr->int_busy |= int_mask;
|
| 651 |
|
|
busy_ptr->int_busy |= int_mask;
|
| 652 |
|
|
busy_ptr->nr_writebacks = 1;
|
| 653 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 654 |
|
|
model_trace_make_busy(model_ptr, int_mask, 0, 0);
|
| 655 |
|
|
|
| 656 |
|
|
# Schedule an MTSPR instruction that takes 1 integer register and produces a special purpose output register
|
| 657 |
|
|
void::model-function::ppc_insn_to_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR
|
| 658 |
|
|
model_busy *busy_ptr;
|
| 659 |
|
|
|
| 660 |
|
|
while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) {
|
| 661 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 662 |
|
|
model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR);
|
| 663 |
|
|
|
| 664 |
|
|
model_ptr->nr_stalls_data++;
|
| 665 |
|
|
model_new_cycle(model_ptr);
|
| 666 |
|
|
}
|
| 667 |
|
|
|
| 668 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]);
|
| 669 |
|
|
busy_ptr->spr_busy = nSPR;
|
| 670 |
|
|
model_ptr->spr_busy[nSPR] = 1;
|
| 671 |
|
|
busy_ptr->nr_writebacks = 1;
|
| 672 |
|
|
TRACE(trace_model,("Making register %s busy.\n", spr_name(nSPR)));
|
| 673 |
|
|
|
| 674 |
|
|
# Schedule a MFCR instruction that moves the CR into an integer regsiter
|
| 675 |
|
|
void::model-function::ppc_insn_mfcr:itable_index index, model_data *model_ptr, unsigned32 int_mask
|
| 676 |
|
|
const unsigned32 cr_mask = 0xff;
|
| 677 |
|
|
model_busy *busy_ptr;
|
| 678 |
|
|
|
| 679 |
|
|
while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) {
|
| 680 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 681 |
|
|
model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR);
|
| 682 |
|
|
|
| 683 |
|
|
model_ptr->nr_stalls_data++;
|
| 684 |
|
|
model_new_cycle(model_ptr);
|
| 685 |
|
|
}
|
| 686 |
|
|
|
| 687 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]);
|
| 688 |
|
|
model_ptr->int_busy |= int_mask;
|
| 689 |
|
|
busy_ptr->int_busy |= int_mask;
|
| 690 |
|
|
busy_ptr->nr_writebacks = 1;
|
| 691 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 692 |
|
|
model_trace_make_busy(model_ptr, int_mask, 0, 0);
|
| 693 |
|
|
|
| 694 |
|
|
# Schedule a MTCR instruction that moves an integer register into the CR
|
| 695 |
|
|
void::model-function::ppc_insn_mtcr:itable_index index, model_data *model_ptr, unsigned32 int_mask, unsigned FXM
|
| 696 |
|
|
int f;
|
| 697 |
|
|
int nr_crs = 0;
|
| 698 |
|
|
unsigned32 cr_mask = 0;
|
| 699 |
|
|
const model_time *normal_time = &model_ptr->timing[index];
|
| 700 |
|
|
static const model_time ppc604_1bit_time = { PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 };
|
| 701 |
|
|
model_busy *busy_ptr;
|
| 702 |
|
|
|
| 703 |
|
|
for (f = 0; f < 8; f++) {
|
| 704 |
|
|
if (FXM & (0x80 >> f)) {
|
| 705 |
|
|
cr_mask |= (1 << f);
|
| 706 |
|
|
nr_crs++;
|
| 707 |
|
|
}
|
| 708 |
|
|
}
|
| 709 |
|
|
|
| 710 |
|
|
while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) {
|
| 711 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 712 |
|
|
model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR);
|
| 713 |
|
|
|
| 714 |
|
|
model_ptr->nr_stalls_data++;
|
| 715 |
|
|
model_new_cycle(model_ptr);
|
| 716 |
|
|
}
|
| 717 |
|
|
|
| 718 |
|
|
/* If only one CR is being moved, use the SCIU, not the MCIU on the 604 */
|
| 719 |
|
|
if (CURRENT_MODEL == MODEL_ppc604 && nr_crs == 1) {
|
| 720 |
|
|
normal_time = &ppc604_1bit_time;
|
| 721 |
|
|
}
|
| 722 |
|
|
|
| 723 |
|
|
busy_ptr = model_wait_for_unit(index, model_ptr, normal_time);
|
| 724 |
|
|
busy_ptr->cr_fpscr_busy |= cr_mask;
|
| 725 |
|
|
model_ptr->cr_fpscr_busy |= cr_mask;
|
| 726 |
|
|
model_ptr->nr_mtcrf_crs[nr_crs]++;
|
| 727 |
|
|
busy_ptr->nr_writebacks = 1;
|
| 728 |
|
|
if (WITH_TRACE && ppc_trace[trace_model])
|
| 729 |
|
|
model_trace_make_busy(model_ptr, 0, 0, cr_mask);
|
| 730 |
|
|
|
| 731 |
|
|
model_data *::model-function::model_create:cpu *processor
|
| 732 |
|
|
model_data *model_ptr = ZALLOC(model_data);
|
| 733 |
|
|
model_ptr->name = model_name[CURRENT_MODEL];
|
| 734 |
|
|
model_ptr->timing = model_time_mapping[CURRENT_MODEL];
|
| 735 |
|
|
model_ptr->processor = processor;
|
| 736 |
|
|
model_ptr->nr_cycles = 1;
|
| 737 |
|
|
model_ptr->busy_tail = &model_ptr->busy_head;
|
| 738 |
|
|
switch (CURRENT_MODEL) {
|
| 739 |
|
|
case MODEL_ppc601: model_ptr->max_nr_writebacks = 1; break; /* ??? */
|
| 740 |
|
|
case MODEL_ppc603: model_ptr->max_nr_writebacks = 2; break;
|
| 741 |
|
|
case MODEL_ppc603e: model_ptr->max_nr_writebacks = 2; break;
|
| 742 |
|
|
case MODEL_ppc604: model_ptr->max_nr_writebacks = 2; break;
|
| 743 |
|
|
default: error ("Unknown model %d\n", CURRENT_MODEL);
|
| 744 |
|
|
}
|
| 745 |
|
|
return model_ptr;
|
| 746 |
|
|
|
| 747 |
|
|
void::model-function::model_init:model_data *model_ptr
|
| 748 |
|
|
|
| 749 |
|
|
void::model-function::model_halt:model_data *model_ptr
|
| 750 |
|
|
/* Let pipeline drain */
|
| 751 |
|
|
while (model_ptr->busy_head.next)
|
| 752 |
|
|
model_new_cycle(model_ptr);
|
| 753 |
|
|
|
| 754 |
|
|
unsigned_word::model-function::model_get_number_of_stalls:model_data *model_ptr
|
| 755 |
|
|
return (model_ptr->nr_stalls_data
|
| 756 |
|
|
+ model_ptr->nr_stalls_unit
|
| 757 |
|
|
+ model_ptr->nr_stalls_serialize
|
| 758 |
|
|
+ model_ptr->nr_stalls_writeback);
|
| 759 |
|
|
|
| 760 |
|
|
unsigned_word::model-function::model_get_number_of_cycles:model_data *model_ptr
|
| 761 |
|
|
return (model_ptr->nr_cycles);
|
| 762 |
|
|
|
| 763 |
|
|
model_print *::model-function::model_mon_info:model_data *model_ptr
|
| 764 |
|
|
model_print *head;
|
| 765 |
|
|
model_print *tail;
|
| 766 |
|
|
ppc_function_unit i;
|
| 767 |
|
|
count_type nr_insns;
|
| 768 |
|
|
int j;
|
| 769 |
|
|
|
| 770 |
|
|
head = tail = ZALLOC(model_print);
|
| 771 |
|
|
tail->count = model_ptr->nr_cycles;
|
| 772 |
|
|
tail->name = "cycle";
|
| 773 |
|
|
tail->suffix_plural = "s";
|
| 774 |
|
|
tail->suffix_singular = "";
|
| 775 |
|
|
|
| 776 |
|
|
if (model_ptr->nr_stalls_data) {
|
| 777 |
|
|
tail->next = ZALLOC(model_print);
|
| 778 |
|
|
tail = tail->next;
|
| 779 |
|
|
tail->count = model_ptr->nr_stalls_data;
|
| 780 |
|
|
tail->name = "stall";
|
| 781 |
|
|
tail->suffix_plural = "s waiting for data";
|
| 782 |
|
|
tail->suffix_singular = " waiting for data";
|
| 783 |
|
|
}
|
| 784 |
|
|
|
| 785 |
|
|
if (model_ptr->nr_stalls_unit) {
|
| 786 |
|
|
tail->next = ZALLOC(model_print);
|
| 787 |
|
|
tail = tail->next;
|
| 788 |
|
|
tail->count = model_ptr->nr_stalls_unit;
|
| 789 |
|
|
tail->name = "stall";
|
| 790 |
|
|
tail->suffix_plural = "s waiting for a function unit";
|
| 791 |
|
|
tail->suffix_singular = " waiting for a function unit";
|
| 792 |
|
|
}
|
| 793 |
|
|
|
| 794 |
|
|
if (model_ptr->nr_stalls_serialize) {
|
| 795 |
|
|
tail->next = ZALLOC(model_print);
|
| 796 |
|
|
tail = tail->next;
|
| 797 |
|
|
tail->count = model_ptr->nr_stalls_serialize;
|
| 798 |
|
|
tail->name = "stall";
|
| 799 |
|
|
tail->suffix_plural = "s waiting for serialization";
|
| 800 |
|
|
tail->suffix_singular = " waiting for serialization";
|
| 801 |
|
|
}
|
| 802 |
|
|
|
| 803 |
|
|
if (model_ptr->nr_stalls_writeback) {
|
| 804 |
|
|
tail->next = ZALLOC(model_print);
|
| 805 |
|
|
tail = tail->next;
|
| 806 |
|
|
tail->count = model_ptr->nr_stalls_writeback;
|
| 807 |
|
|
tail->name = "";
|
| 808 |
|
|
tail->suffix_plural = "times a write-back slot was unavailable";
|
| 809 |
|
|
tail->suffix_singular = "time a writeback was unavailable";
|
| 810 |
|
|
}
|
| 811 |
|
|
|
| 812 |
|
|
if (model_ptr->nr_branches) {
|
| 813 |
|
|
tail->next = ZALLOC(model_print);
|
| 814 |
|
|
tail = tail->next;
|
| 815 |
|
|
tail->count = model_ptr->nr_branches;
|
| 816 |
|
|
tail->name = "branch";
|
| 817 |
|
|
tail->suffix_plural = "es";
|
| 818 |
|
|
tail->suffix_singular = "";
|
| 819 |
|
|
}
|
| 820 |
|
|
|
| 821 |
|
|
if (model_ptr->nr_branches_fallthrough) {
|
| 822 |
|
|
tail->next = ZALLOC(model_print);
|
| 823 |
|
|
tail = tail->next;
|
| 824 |
|
|
tail->count = model_ptr->nr_branches_fallthrough;
|
| 825 |
|
|
tail->name = "conditional branch";
|
| 826 |
|
|
tail->suffix_plural = "es fell through";
|
| 827 |
|
|
tail->suffix_singular = " fell through";
|
| 828 |
|
|
}
|
| 829 |
|
|
|
| 830 |
|
|
if (model_ptr->nr_branch_predict_trues) {
|
| 831 |
|
|
tail->next = ZALLOC(model_print);
|
| 832 |
|
|
tail = tail->next;
|
| 833 |
|
|
tail->count = model_ptr->nr_branch_predict_trues;
|
| 834 |
|
|
tail->name = "successful branch prediction";
|
| 835 |
|
|
tail->suffix_plural = "s";
|
| 836 |
|
|
tail->suffix_singular = "";
|
| 837 |
|
|
}
|
| 838 |
|
|
|
| 839 |
|
|
if (model_ptr->nr_branch_predict_falses) {
|
| 840 |
|
|
tail->next = ZALLOC(model_print);
|
| 841 |
|
|
tail = tail->next;
|
| 842 |
|
|
tail->count = model_ptr->nr_branch_predict_falses;
|
| 843 |
|
|
tail->name = "unsuccessful branch prediction";
|
| 844 |
|
|
tail->suffix_plural = "s";
|
| 845 |
|
|
tail->suffix_singular = "";
|
| 846 |
|
|
}
|
| 847 |
|
|
|
| 848 |
|
|
for (j = 0; j < (sizeof(ppc_branch_conditional_name) / sizeof(ppc_branch_conditional_name[0])) ; j++) {
|
| 849 |
|
|
if (model_ptr->nr_branch_conditional[j]) {
|
| 850 |
|
|
tail->next = ZALLOC(model_print);
|
| 851 |
|
|
tail = tail->next;
|
| 852 |
|
|
tail->count = model_ptr->nr_branch_conditional[j];
|
| 853 |
|
|
tail->name = ppc_branch_conditional_name[j];
|
| 854 |
|
|
tail->suffix_plural = " conditional branches";
|
| 855 |
|
|
tail->suffix_singular = " conditional branch";
|
| 856 |
|
|
}
|
| 857 |
|
|
}
|
| 858 |
|
|
|
| 859 |
|
|
for (j = 0; j < 9; j++) {
|
| 860 |
|
|
if (model_ptr->nr_mtcrf_crs[j]) {
|
| 861 |
|
|
tail->next = ZALLOC(model_print);
|
| 862 |
|
|
tail = tail->next;
|
| 863 |
|
|
tail->count = model_ptr->nr_mtcrf_crs[j];
|
| 864 |
|
|
tail->name = ppc_nr_mtcrf_crs[j];
|
| 865 |
|
|
tail->suffix_plural = " instructions";
|
| 866 |
|
|
tail->suffix_singular = " instruction";
|
| 867 |
|
|
}
|
| 868 |
|
|
}
|
| 869 |
|
|
|
| 870 |
|
|
nr_insns = 0;
|
| 871 |
|
|
for (i = PPC_UNIT_BAD; i < nr_ppc_function_units; i++) {
|
| 872 |
|
|
if (model_ptr->nr_units[i]) {
|
| 873 |
|
|
nr_insns += model_ptr->nr_units[i];
|
| 874 |
|
|
tail->next = ZALLOC(model_print);
|
| 875 |
|
|
tail = tail->next;
|
| 876 |
|
|
tail->count = model_ptr->nr_units[i];
|
| 877 |
|
|
tail->name = ppc_function_unit_name[i];
|
| 878 |
|
|
tail->suffix_plural = "s";
|
| 879 |
|
|
tail->suffix_singular = "";
|
| 880 |
|
|
}
|
| 881 |
|
|
}
|
| 882 |
|
|
|
| 883 |
|
|
tail->next = ZALLOC(model_print);
|
| 884 |
|
|
tail = tail->next;
|
| 885 |
|
|
tail->count = nr_insns;
|
| 886 |
|
|
tail->name = "instruction";
|
| 887 |
|
|
tail->suffix_plural = "s that were accounted for in timing info";
|
| 888 |
|
|
tail->suffix_singular = " that was accounted for in timing info";
|
| 889 |
|
|
|
| 890 |
|
|
tail->next = (model_print *)0;
|
| 891 |
|
|
return head;
|
| 892 |
|
|
|
| 893 |
|
|
void::model-function::model_mon_info_free:model_data *model_ptr, model_print *ptr
|
| 894 |
|
|
while (ptr) {
|
| 895 |
|
|
model_print *next = ptr->next;
|
| 896 |
|
|
free((void *)ptr);
|
| 897 |
|
|
ptr = next;
|
| 898 |
|
|
}
|
| 899 |
|
|
|
| 900 |
|
|
void::model-function::model_branches:model_data *model_ptr, int failed, int conditional
|
| 901 |
|
|
model_ptr->nr_units[PPC_UNIT_BPU]++;
|
| 902 |
|
|
if (failed)
|
| 903 |
|
|
model_ptr->nr_branches_fallthrough++;
|
| 904 |
|
|
else
|
| 905 |
|
|
model_ptr->nr_branches++;
|
| 906 |
|
|
if (conditional >= 0)
|
| 907 |
|
|
model_ptr->nr_branch_conditional[conditional]++;
|
| 908 |
|
|
model_new_cycle(model_ptr); /* A branch always ends the current cycle */
|
| 909 |
|
|
|
| 910 |
|
|
void::model-function::model_branch_predict:model_data *model_ptr, int success
|
| 911 |
|
|
if (success)
|
| 912 |
|
|
model_ptr->nr_branch_predict_trues++;
|
| 913 |
|
|
else
|
| 914 |
|
|
model_ptr->nr_branch_predict_falses++;
|
| 915 |
|
|
|
| 916 |
|
|
|
| 917 |
|
|
# The following (illegal) instruction is `known' by gen and is
|
| 918 |
|
|
# called when ever an illegal instruction is encountered
|
| 919 |
|
|
::internal::illegal
|
| 920 |
|
|
program_interrupt(processor, cia,
|
| 921 |
|
|
illegal_instruction_program_interrupt);
|
| 922 |
|
|
|
| 923 |
|
|
|
| 924 |
|
|
# The following (floating point unavailable) instruction is `known' by gen
|
| 925 |
|
|
# and is called when ever an a floating point instruction is to be
|
| 926 |
|
|
# executed but floating point is make unavailable by the MSR
|
| 927 |
|
|
::internal::floating_point_unavailable
|
| 928 |
|
|
floating_point_unavailable_interrupt(processor, cia);
|
| 929 |
|
|
|
| 930 |
|
|
|
| 931 |
|
|
#
|
| 932 |
|
|
# Floating point support functions
|
| 933 |
|
|
#
|
| 934 |
|
|
|
| 935 |
|
|
# Convert 32bit single to 64bit double
|
| 936 |
|
|
unsigned64::function::DOUBLE:unsigned32 WORD
|
| 937 |
|
|
unsigned64 FRT;
|
| 938 |
|
|
if (EXTRACTED32(WORD, 1, 8) > 0
|
| 939 |
|
|
&& EXTRACTED32(WORD, 1, 8) < 255) {
|
| 940 |
|
|
/* normalized operand */
|
| 941 |
|
|
int not_word_1_1 = !EXTRACTED32(WORD, 1, 1); /*2.6.3 bug*/
|
| 942 |
|
|
FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1)
|
| 943 |
|
|
| INSERTED64(not_word_1_1, 2, 2)
|
| 944 |
|
|
| INSERTED64(not_word_1_1, 3, 3)
|
| 945 |
|
|
| INSERTED64(not_word_1_1, 4, 4)
|
| 946 |
|
|
| INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29)));
|
| 947 |
|
|
}
|
| 948 |
|
|
else if (EXTRACTED32(WORD, 1, 8) == 0
|
| 949 |
|
|
&& EXTRACTED32(WORD, 9, 31) != 0) {
|
| 950 |
|
|
/* denormalized operand */
|
| 951 |
|
|
int sign = EXTRACTED32(WORD, 0, 0);
|
| 952 |
|
|
int exp = -126;
|
| 953 |
|
|
unsigned64 frac = INSERTED64(EXTRACTED32(WORD, 9, 31), 1, (52 - 29));
|
| 954 |
|
|
/* normalize the operand */
|
| 955 |
|
|
while (MASKED64(frac, 0, 0) == 0) {
|
| 956 |
|
|
frac <<= 1;
|
| 957 |
|
|
exp -= 1;
|
| 958 |
|
|
}
|
| 959 |
|
|
FRT = (INSERTED64(sign, 0, 0)
|
| 960 |
|
|
| INSERTED64(exp + 1023, 1, 11)
|
| 961 |
|
|
| INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63));
|
| 962 |
|
|
}
|
| 963 |
|
|
else if (EXTRACTED32(WORD, 1, 8) == 255
|
| 964 |
|
|
|| EXTRACTED32(WORD, 1, 31) == 0) {
|
| 965 |
|
|
FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1)
|
| 966 |
|
|
| INSERTED64(EXTRACTED32(WORD, 1, 1), 2, 2)
|
| 967 |
|
|
| INSERTED64(EXTRACTED32(WORD, 1, 1), 3, 3)
|
| 968 |
|
|
| INSERTED64(EXTRACTED32(WORD, 1, 1), 4, 4)
|
| 969 |
|
|
| INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29)));
|
| 970 |
|
|
}
|
| 971 |
|
|
else {
|
| 972 |
|
|
error("DOUBLE - unknown case\n");
|
| 973 |
|
|
FRT = 0;
|
| 974 |
|
|
}
|
| 975 |
|
|
return FRT;
|
| 976 |
|
|
|
| 977 |
|
|
# Convert 64bit single to 32bit double
|
| 978 |
|
|
unsigned32::function::SINGLE:unsigned64 FRS
|
| 979 |
|
|
unsigned32 WORD;
|
| 980 |
|
|
if (EXTRACTED64(FRS, 1, 11) > 896
|
| 981 |
|
|
|| EXTRACTED64(FRS, 1, 63) == 0) {
|
| 982 |
|
|
/* no denormalization required (includes Zero/Infinity/NaN) */
|
| 983 |
|
|
WORD = (INSERTED32(EXTRACTED64(FRS, 0, 1), 0, 1)
|
| 984 |
|
|
| INSERTED32(EXTRACTED64(FRS, 5, 34), 2, 31));
|
| 985 |
|
|
}
|
| 986 |
|
|
else if (874 <= EXTRACTED64(FRS, 1, 11)
|
| 987 |
|
|
&& EXTRACTED64(FRS, 1, 11) <= 896) {
|
| 988 |
|
|
/* denormalization required */
|
| 989 |
|
|
int sign = EXTRACTED64(FRS, 0, 0);
|
| 990 |
|
|
int exp = EXTRACTED64(FRS, 1, 11) - 1023;
|
| 991 |
|
|
unsigned64 frac = (BIT64(0)
|
| 992 |
|
|
| INSERTED64(EXTRACTED64(FRS, 12, 63), 1, 52));
|
| 993 |
|
|
/* denormalize the operand */
|
| 994 |
|
|
while (exp < -126) {
|
| 995 |
|
|
frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63);
|
| 996 |
|
|
exp += 1;
|
| 997 |
|
|
}
|
| 998 |
|
|
WORD = (INSERTED32(sign, 0, 0)
|
| 999 |
|
|
| INSERTED32(0x00, 1, 8)
|
| 1000 |
|
|
| INSERTED32(EXTRACTED64(frac, 1, 23), 9, 31));
|
| 1001 |
|
|
}
|
| 1002 |
|
|
else {
|
| 1003 |
|
|
WORD = 0x0; /* ??? */
|
| 1004 |
|
|
}
|
| 1005 |
|
|
return WORD;
|
| 1006 |
|
|
|
| 1007 |
|
|
|
| 1008 |
|
|
# round 64bit double to 64bit but single
|
| 1009 |
|
|
void::function::Round_Single:cpu *processor, int sign, int *exp, unsigned64 *frac_grx
|
| 1010 |
|
|
/* comparisons ignore u bits */
|
| 1011 |
|
|
unsigned64 out;
|
| 1012 |
|
|
int inc = 0;
|
| 1013 |
|
|
int lsb = EXTRACTED64(*frac_grx, 23, 23);
|
| 1014 |
|
|
int gbit = EXTRACTED64(*frac_grx, 24, 24);
|
| 1015 |
|
|
int rbit = EXTRACTED64(*frac_grx, 25, 25);
|
| 1016 |
|
|
int xbit = EXTRACTED64(*frac_grx, 26, 55) != 0;
|
| 1017 |
|
|
if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) {
|
| 1018 |
|
|
if (lsb == 1 && gbit == 1) inc = 1;
|
| 1019 |
|
|
if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1;
|
| 1020 |
|
|
if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1;
|
| 1021 |
|
|
}
|
| 1022 |
|
|
if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) {
|
| 1023 |
|
|
if (sign == 0 && gbit == 1) inc = 1;
|
| 1024 |
|
|
if (sign == 0 && rbit == 1) inc = 1;
|
| 1025 |
|
|
if (sign == 0 && xbit == 1) inc = 1;
|
| 1026 |
|
|
}
|
| 1027 |
|
|
if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) {
|
| 1028 |
|
|
if (sign == 1 && gbit == 1) inc = 1;
|
| 1029 |
|
|
if (sign == 1 && rbit == 1) inc = 1;
|
| 1030 |
|
|
if (sign == 1 && xbit == 1) inc = 1;
|
| 1031 |
|
|
}
|
| 1032 |
|
|
/* work out addition in low 25 bits of out */
|
| 1033 |
|
|
out = EXTRACTED64(*frac_grx, 0, 23) + inc;
|
| 1034 |
|
|
*frac_grx = INSERTED64(out, 0, 23);
|
| 1035 |
|
|
if (out & BIT64(64 - 23 - 1 - 1)) {
|
| 1036 |
|
|
*frac_grx = (BIT64(0) |
|
| 1037 |
|
|
INSERTED64(EXTRACTED64(*frac_grx, 0, 22), 1, 23));
|
| 1038 |
|
|
*exp = *exp + 1;
|
| 1039 |
|
|
}
|
| 1040 |
|
|
/* frac_grx[24:52] = 0 already */
|
| 1041 |
|
|
FPSCR_SET_FR(inc);
|
| 1042 |
|
|
FPSCR_SET_FI(gbit || rbit || xbit);
|
| 1043 |
|
|
|
| 1044 |
|
|
|
| 1045 |
|
|
#
|
| 1046 |
|
|
void::function::Round_Integer:cpu *processor, int sign, unsigned64 *frac, int *frac64, int gbit, int rbit, int xbit, fpscreg round_mode
|
| 1047 |
|
|
int inc = 0;
|
| 1048 |
|
|
if (round_mode == fpscr_rn_round_to_nearest) {
|
| 1049 |
|
|
if (*frac64 == 1 && gbit == 1) inc = 1;
|
| 1050 |
|
|
if (*frac64 == 0 && gbit == 1 && rbit == 1) inc = 1;
|
| 1051 |
|
|
if (*frac64 == 0 && gbit == 1 && xbit == 1) inc = 1;
|
| 1052 |
|
|
}
|
| 1053 |
|
|
if (round_mode == fpscr_rn_round_towards_pos_infinity) {
|
| 1054 |
|
|
if (sign == 0 && gbit == 1) inc = 1;
|
| 1055 |
|
|
if (sign == 0 && rbit == 1) inc = 1;
|
| 1056 |
|
|
if (sign == 0 && xbit == 1) inc = 1;
|
| 1057 |
|
|
}
|
| 1058 |
|
|
if (round_mode == fpscr_rn_round_towards_neg_infinity) {
|
| 1059 |
|
|
if (sign == 1 && gbit == 1) inc = 1;
|
| 1060 |
|
|
if (sign == 1 && rbit == 1) inc = 1;
|
| 1061 |
|
|
if (sign == 1 && xbit == 1) inc = 1;
|
| 1062 |
|
|
}
|
| 1063 |
|
|
/* frac[0:64] = frac[0:64} + inc */
|
| 1064 |
|
|
*frac += (*frac64 && inc ? 1 : 0);
|
| 1065 |
|
|
*frac64 = (*frac64 + inc) & 0x1;
|
| 1066 |
|
|
FPSCR_SET_FR(inc);
|
| 1067 |
|
|
FPSCR_SET_FI(gbit | rbit | xbit);
|
| 1068 |
|
|
|
| 1069 |
|
|
|
| 1070 |
|
|
void::function::Round_Float:cpu *processor, int sign, int *exp, unsigned64 *frac, fpscreg round_mode
|
| 1071 |
|
|
int carry_out;
|
| 1072 |
|
|
int inc = 0;
|
| 1073 |
|
|
int lsb = EXTRACTED64(*frac, 52, 52);
|
| 1074 |
|
|
int gbit = EXTRACTED64(*frac, 53, 53);
|
| 1075 |
|
|
int rbit = EXTRACTED64(*frac, 54, 54);
|
| 1076 |
|
|
int xbit = EXTRACTED64(*frac, 55, 55);
|
| 1077 |
|
|
if (round_mode == fpscr_rn_round_to_nearest) {
|
| 1078 |
|
|
if (lsb == 1 && gbit == 1) inc = 1;
|
| 1079 |
|
|
if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1;
|
| 1080 |
|
|
if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1;
|
| 1081 |
|
|
}
|
| 1082 |
|
|
if (round_mode == fpscr_rn_round_towards_pos_infinity) {
|
| 1083 |
|
|
if (sign == 0 && gbit == 1) inc = 1;
|
| 1084 |
|
|
if (sign == 0 && rbit == 1) inc = 1;
|
| 1085 |
|
|
if (sign == 0 && xbit == 1) inc = 1;
|
| 1086 |
|
|
}
|
| 1087 |
|
|
if (round_mode == fpscr_rn_round_towards_neg_infinity) {
|
| 1088 |
|
|
if (sign == 1 && gbit == 1) inc = 1;
|
| 1089 |
|
|
if (sign == 1 && rbit == 1) inc = 1;
|
| 1090 |
|
|
if (sign == 1 && xbit == 1) inc = 1;
|
| 1091 |
|
|
}
|
| 1092 |
|
|
/* frac//carry_out = frac + inc */
|
| 1093 |
|
|
*frac = (*frac >> 1) + (INSERTED64(inc, 52, 52) >> 1);
|
| 1094 |
|
|
carry_out = EXTRACTED64(*frac, 0, 0);
|
| 1095 |
|
|
*frac <<= 1;
|
| 1096 |
|
|
if (carry_out == 1) *exp = *exp + 1;
|
| 1097 |
|
|
FPSCR_SET_FR(inc);
|
| 1098 |
|
|
FPSCR_SET_FI(gbit | rbit | xbit);
|
| 1099 |
|
|
FPSCR_SET_XX(FPSCR & fpscr_fi);
|
| 1100 |
|
|
|
| 1101 |
|
|
|
| 1102 |
|
|
# conversion of FP to integer
|
| 1103 |
|
|
void::function::convert_to_integer:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 frb, fpscreg round_mode, int tgt_precision
|
| 1104 |
|
|
int i;
|
| 1105 |
|
|
int exp = 0;
|
| 1106 |
|
|
unsigned64 frac = 0;
|
| 1107 |
|
|
int frac64 = 0;
|
| 1108 |
|
|
int gbit = 0;
|
| 1109 |
|
|
int rbit = 0;
|
| 1110 |
|
|
int xbit = 0;
|
| 1111 |
|
|
int sign = EXTRACTED64(frb, 0, 0);
|
| 1112 |
|
|
/***/
|
| 1113 |
|
|
if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 63) == 0)
|
| 1114 |
|
|
GOTO(Infinity_Operand);
|
| 1115 |
|
|
if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 0)
|
| 1116 |
|
|
GOTO(SNaN_Operand);
|
| 1117 |
|
|
if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 1)
|
| 1118 |
|
|
GOTO(QNaN_Operand);
|
| 1119 |
|
|
if (EXTRACTED64(frb, 1, 11) > 1086) GOTO(Large_Operand);
|
| 1120 |
|
|
if (EXTRACTED64(frb, 1, 11) > 0) exp = EXTRACTED64(frb, 1, 11) - 1023;
|
| 1121 |
|
|
if (EXTRACTED64(frb, 1, 11) == 0) exp = -1022;
|
| 1122 |
|
|
if (EXTRACTED64(frb, 1, 11) > 0) { /* normal */
|
| 1123 |
|
|
frac = BIT64(1) | INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53);
|
| 1124 |
|
|
frac64 = 0;
|
| 1125 |
|
|
}
|
| 1126 |
|
|
if (EXTRACTED64(frb, 1, 11) == 0) { /* denorm */
|
| 1127 |
|
|
frac = INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53);
|
| 1128 |
|
|
frac64 = 0;
|
| 1129 |
|
|
}
|
| 1130 |
|
|
gbit = 0, rbit = 0, xbit = 0;
|
| 1131 |
|
|
for (i = 1; i <= 63 - exp; i++) {
|
| 1132 |
|
|
xbit = rbit | xbit;
|
| 1133 |
|
|
rbit = gbit;
|
| 1134 |
|
|
gbit = frac64;
|
| 1135 |
|
|
frac64 = EXTRACTED64(frac, 63, 63);
|
| 1136 |
|
|
frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63);
|
| 1137 |
|
|
}
|
| 1138 |
|
|
Round_Integer(processor, sign, &frac, &frac64, gbit, rbit, xbit, round_mode);
|
| 1139 |
|
|
if (sign == 1) { /* frac[0:64] = ~frac[0:64] + 1 */
|
| 1140 |
|
|
frac = ~frac;
|
| 1141 |
|
|
frac64 ^= 1;
|
| 1142 |
|
|
frac += (frac64 ? 1 : 0);
|
| 1143 |
|
|
frac64 = (frac64 + 1) & 0x1;
|
| 1144 |
|
|
}
|
| 1145 |
|
|
if (tgt_precision == 32 /* can ignore frac64 in compare */
|
| 1146 |
|
|
&& (signed64)frac > (signed64)MASK64(33+1, 63)/*2^31-1 >>1*/)
|
| 1147 |
|
|
GOTO(Large_Operand);
|
| 1148 |
|
|
if (tgt_precision == 64 /* can ignore frac64 in compare */
|
| 1149 |
|
|
&& (signed64)frac > (signed64)MASK64(1+1, 63)/*2^63-1 >>1*/)
|
| 1150 |
|
|
GOTO(Large_Operand);
|
| 1151 |
|
|
if (tgt_precision == 32 /* can ignore frac64 in compare */
|
| 1152 |
|
|
&& (signed64)frac < (signed64)MASK64(0, 32+1)/*-2^31 >>1*/)
|
| 1153 |
|
|
GOTO(Large_Operand);
|
| 1154 |
|
|
if (tgt_precision == 64 /* can ignore frac64 in compare */
|
| 1155 |
|
|
&& (signed64)frac < (signed64)MASK64(0, 0+1)/*-2^63 >>1*/)
|
| 1156 |
|
|
GOTO(Large_Operand);
|
| 1157 |
|
|
FPSCR_SET_XX(FPSCR & fpscr_fi);
|
| 1158 |
|
|
if (tgt_precision == 32)
|
| 1159 |
|
|
*frt = MASKED64(*frt, 0, 31) | (EXTRACTED64(frac, 33, 63) << 1) | frac64;
|
| 1160 |
|
|
if (tgt_precision == 64)
|
| 1161 |
|
|
*frt = (EXTRACTED64(frac, 1, 63) << 1) | frac64;
|
| 1162 |
|
|
/*FPSCR[fprf] = undefined */
|
| 1163 |
|
|
GOTO(Done);
|
| 1164 |
|
|
/**/
|
| 1165 |
|
|
LABEL(Infinity_Operand):
|
| 1166 |
|
|
FPSCR_SET_FR(0);
|
| 1167 |
|
|
FPSCR_SET_FI(0);
|
| 1168 |
|
|
FPSCR_OR_VX(fpscr_vxcvi);
|
| 1169 |
|
|
if ((FPSCR & fpscr_ve) == 0) {
|
| 1170 |
|
|
if (tgt_precision == 32) {
|
| 1171 |
|
|
if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7FFFFFFF;
|
| 1172 |
|
|
if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000;
|
| 1173 |
|
|
}
|
| 1174 |
|
|
else {
|
| 1175 |
|
|
if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/
|
| 1176 |
|
|
if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/
|
| 1177 |
|
|
}
|
| 1178 |
|
|
/* FPSCR[FPRF] = undefined */
|
| 1179 |
|
|
}
|
| 1180 |
|
|
GOTO(Done);
|
| 1181 |
|
|
/**/
|
| 1182 |
|
|
LABEL(SNaN_Operand):
|
| 1183 |
|
|
FPSCR_SET_FR(0);
|
| 1184 |
|
|
FPSCR_SET_FI(0);
|
| 1185 |
|
|
FPSCR_OR_VX(fpscr_vxsnan | fpscr_vxcvi);
|
| 1186 |
|
|
if ((FPSCR & fpscr_ve) == 0) {
|
| 1187 |
|
|
if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000;
|
| 1188 |
|
|
if (tgt_precision == 64) *frt = BIT64(0); /*0x8000_0000_0000_0000*/
|
| 1189 |
|
|
/* FPSCR[fprf] = undefined */
|
| 1190 |
|
|
}
|
| 1191 |
|
|
GOTO(Done);
|
| 1192 |
|
|
/**/
|
| 1193 |
|
|
LABEL(QNaN_Operand):
|
| 1194 |
|
|
FPSCR_SET_FR(0);
|
| 1195 |
|
|
FPSCR_SET_FI(0);
|
| 1196 |
|
|
FPSCR_OR_VX(fpscr_vxcvi);
|
| 1197 |
|
|
if ((FPSCR & fpscr_ve) == 0) {
|
| 1198 |
|
|
if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000;
|
| 1199 |
|
|
if (tgt_precision == 64) *frt = BIT64(0);/*0x8000_0000_0000_0000*/
|
| 1200 |
|
|
/* FPSCR[fprf] = undefined */
|
| 1201 |
|
|
}
|
| 1202 |
|
|
GOTO(Done);
|
| 1203 |
|
|
/**/
|
| 1204 |
|
|
LABEL(Large_Operand):
|
| 1205 |
|
|
FPSCR_SET_FR(0);
|
| 1206 |
|
|
FPSCR_SET_FI(0);
|
| 1207 |
|
|
FPSCR_OR_VX(fpscr_vxcvi);
|
| 1208 |
|
|
if ((FPSCR & fpscr_ve) == 0) {
|
| 1209 |
|
|
if (tgt_precision == 32) {
|
| 1210 |
|
|
if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7fffffff;
|
| 1211 |
|
|
if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000;
|
| 1212 |
|
|
}
|
| 1213 |
|
|
else {
|
| 1214 |
|
|
if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/
|
| 1215 |
|
|
if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/
|
| 1216 |
|
|
}
|
| 1217 |
|
|
/* FPSCR[fprf] = undefined */
|
| 1218 |
|
|
}
|
| 1219 |
|
|
/**/
|
| 1220 |
|
|
LABEL(Done):
|
| 1221 |
|
|
|
| 1222 |
|
|
|
| 1223 |
|
|
# extract out raw fields of a FP number
|
| 1224 |
|
|
int::function::sign:unsigned64 FRS
|
| 1225 |
|
|
return (MASKED64(FRS, 0, 0)
|
| 1226 |
|
|
? -1
|
| 1227 |
|
|
: 1);
|
| 1228 |
|
|
int::function::biased_exp:unsigned64 frs, int single
|
| 1229 |
|
|
if (single)
|
| 1230 |
|
|
return EXTRACTED64(frs, 1, 8);
|
| 1231 |
|
|
else
|
| 1232 |
|
|
return EXTRACTED64(frs, 1, 11);
|
| 1233 |
|
|
unsigned64::function::fraction:unsigned64 frs, int single
|
| 1234 |
|
|
if (single)
|
| 1235 |
|
|
return EXTRACTED64(frs, 9, 31);
|
| 1236 |
|
|
else
|
| 1237 |
|
|
return EXTRACTED64(frs, 12, 63);
|
| 1238 |
|
|
|
| 1239 |
|
|
# a number?, each of the below return +1 or -1 (based on sign bit)
|
| 1240 |
|
|
# if true.
|
| 1241 |
|
|
int::function::is_nor:unsigned64 frs, int single
|
| 1242 |
|
|
int exp = biased_exp(frs, single);
|
| 1243 |
|
|
return (exp >= 1
|
| 1244 |
|
|
&& exp <= (single ? 254 : 2046));
|
| 1245 |
|
|
int::function::is_zero:unsigned64 FRS
|
| 1246 |
|
|
return (MASKED64(FRS, 1, 63) == 0
|
| 1247 |
|
|
? sign(FRS)
|
| 1248 |
|
|
: 0);
|
| 1249 |
|
|
int::function::is_den:unsigned64 frs, int single
|
| 1250 |
|
|
int exp = biased_exp(frs, single);
|
| 1251 |
|
|
unsigned64 frac = fraction(frs, single);
|
| 1252 |
|
|
return (exp == 0 && frac != 0
|
| 1253 |
|
|
? sign(frs)
|
| 1254 |
|
|
: 0);
|
| 1255 |
|
|
int::function::is_inf:unsigned64 frs, int single
|
| 1256 |
|
|
int exp = biased_exp(frs, single);
|
| 1257 |
|
|
unsigned64 frac = fraction(frs, single);
|
| 1258 |
|
|
return (exp == (single ? 255 : 2047) && frac == 0
|
| 1259 |
|
|
? sign(frs)
|
| 1260 |
|
|
: 0);
|
| 1261 |
|
|
int::function::is_NaN:unsigned64 frs, int single
|
| 1262 |
|
|
int exp = biased_exp(frs, single);
|
| 1263 |
|
|
unsigned64 frac = fraction(frs, single);
|
| 1264 |
|
|
return (exp == (single ? 255 : 2047) && frac != 0
|
| 1265 |
|
|
? sign(frs)
|
| 1266 |
|
|
: 0);
|
| 1267 |
|
|
int::function::is_SNaN:unsigned64 frs, int single
|
| 1268 |
|
|
return (is_NaN(frs, single)
|
| 1269 |
|
|
&& !(frs & (single ? MASK64(9, 9) : MASK64(12, 12)))
|
| 1270 |
|
|
? sign(frs)
|
| 1271 |
|
|
: 0);
|
| 1272 |
|
|
int::function::is_QNaN:unsigned64 frs, int single
|
| 1273 |
|
|
return (is_NaN(frs, single) && !is_SNaN(frs, single));
|
| 1274 |
|
|
int::function::is_less_than:unsigned64 *fra, unsigned64 *frb
|
| 1275 |
|
|
return *(double*)fra < *(double*)frb;
|
| 1276 |
|
|
int::function::is_greater_than:unsigned64 *fra, unsigned64 *frb
|
| 1277 |
|
|
return *(double*)fra > *(double*)frb;
|
| 1278 |
|
|
int::function::is_equan_to:unsigned64 *fra, unsigned64 *frb
|
| 1279 |
|
|
return *(double*)fra == *(double*)frb;
|
| 1280 |
|
|
|
| 1281 |
|
|
|
| 1282 |
|
|
# which quiet nan should become the result
|
| 1283 |
|
|
unsigned64::function::select_qnan:unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int generate_qnan, int single
|
| 1284 |
|
|
unsigned64 frt = 0;
|
| 1285 |
|
|
if (is_NaN(fra, single))
|
| 1286 |
|
|
frt = fra;
|
| 1287 |
|
|
else if (is_NaN(frb, single))
|
| 1288 |
|
|
if (instruction_is_frsp)
|
| 1289 |
|
|
frt = MASKED64(frb, 0, 34);
|
| 1290 |
|
|
else
|
| 1291 |
|
|
frt = frb;
|
| 1292 |
|
|
else if (is_NaN(frc, single))
|
| 1293 |
|
|
frt = frc;
|
| 1294 |
|
|
else if (generate_qnan)
|
| 1295 |
|
|
frt = MASK64(1, 12); /* 0x7FF8_0000_0000_0000 */
|
| 1296 |
|
|
else
|
| 1297 |
|
|
error("select_qnan - default reached\n");
|
| 1298 |
|
|
return frt;
|
| 1299 |
|
|
|
| 1300 |
|
|
|
| 1301 |
|
|
# detect invalid operation
|
| 1302 |
|
|
int::function::is_invalid_operation:cpu *processor, unsigned_word cia, unsigned64 fra, unsigned64 frb, fpscreg check, int single, int negate
|
| 1303 |
|
|
int fail = 0;
|
| 1304 |
|
|
if ((check & fpscr_vxsnan)
|
| 1305 |
|
|
&& (is_SNaN(fra, single) || is_SNaN(frb, single))) {
|
| 1306 |
|
|
FPSCR_OR_VX(fpscr_vxsnan);
|
| 1307 |
|
|
fail = 1;
|
| 1308 |
|
|
}
|
| 1309 |
|
|
if ((check & fpscr_vxisi)
|
| 1310 |
|
|
&& (is_inf(fra, single) && is_inf(frb, single))
|
| 1311 |
|
|
&& ((negate && sign(fra) != sign(frb))
|
| 1312 |
|
|
|| (!negate && sign(fra) == sign(frb)))) {
|
| 1313 |
|
|
/*FIXME: don't handle inf-inf VS inf+-inf */
|
| 1314 |
|
|
FPSCR_OR_VX(fpscr_vxisi);
|
| 1315 |
|
|
fail = 1;
|
| 1316 |
|
|
}
|
| 1317 |
|
|
if ((check & fpscr_vxidi)
|
| 1318 |
|
|
&& (is_inf(fra, single) && is_inf(frb, single))) {
|
| 1319 |
|
|
FPSCR_OR_VX(fpscr_vxidi);
|
| 1320 |
|
|
fail = 1;
|
| 1321 |
|
|
}
|
| 1322 |
|
|
if ((check & fpscr_vxzdz)
|
| 1323 |
|
|
&& (is_zero(fra) && is_zero(frb))) {
|
| 1324 |
|
|
FPSCR_OR_VX(fpscr_vxzdz);
|
| 1325 |
|
|
fail = 1;
|
| 1326 |
|
|
}
|
| 1327 |
|
|
if ((check & fpscr_vximz)
|
| 1328 |
|
|
&& (is_zero(fra) && is_inf(frb, single))) {
|
| 1329 |
|
|
FPSCR_OR_VX(fpscr_vximz);
|
| 1330 |
|
|
fail = 1;
|
| 1331 |
|
|
}
|
| 1332 |
|
|
if ((check & fpscr_vxvc)
|
| 1333 |
|
|
&& (is_NaN(fra, single) || is_NaN(frb, single))) {
|
| 1334 |
|
|
FPSCR_OR_VX(fpscr_vxvc);
|
| 1335 |
|
|
fail = 1;
|
| 1336 |
|
|
}
|
| 1337 |
|
|
if ((check & fpscr_vxsoft)) {
|
| 1338 |
|
|
FPSCR_OR_VX(fpscr_vxsoft);
|
| 1339 |
|
|
fail = 1;
|
| 1340 |
|
|
}
|
| 1341 |
|
|
if ((check & fpscr_vxsqrt)
|
| 1342 |
|
|
&& sign(fra) < 0) {
|
| 1343 |
|
|
FPSCR_OR_VX(fpscr_vxsqrt);
|
| 1344 |
|
|
fail = 1;
|
| 1345 |
|
|
}
|
| 1346 |
|
|
/* if ((check && fpscr_vxcvi) {
|
| 1347 |
|
|
&& (is_inf(fra, single) || is_NaN(fra, single) || is_large(fra, single)))
|
| 1348 |
|
|
FPSCR_OR_VX(fpscr_vxcvi);
|
| 1349 |
|
|
fail = 1;
|
| 1350 |
|
|
}
|
| 1351 |
|
|
*/
|
| 1352 |
|
|
return fail;
|
| 1353 |
|
|
|
| 1354 |
|
|
|
| 1355 |
|
|
|
| 1356 |
|
|
|
| 1357 |
|
|
|
| 1358 |
|
|
# handle case of invalid operation
|
| 1359 |
|
|
void::function::invalid_arithemetic_operation:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int instruction_is_convert_to_64bit, int instruction_is_convert_to_32bit, int single
|
| 1360 |
|
|
if (FPSCR & fpscr_ve) {
|
| 1361 |
|
|
/* invalid operation exception enabled */
|
| 1362 |
|
|
/* FRT unchaged */
|
| 1363 |
|
|
FPSCR_SET_FR(0);
|
| 1364 |
|
|
FPSCR_SET_FI(0);
|
| 1365 |
|
|
/* fpscr_FPRF unchanged */
|
| 1366 |
|
|
}
|
| 1367 |
|
|
else {
|
| 1368 |
|
|
/* invalid operation exception disabled */
|
| 1369 |
|
|
if (instruction_is_convert_to_64bit) {
|
| 1370 |
|
|
error("oopsi");
|
| 1371 |
|
|
}
|
| 1372 |
|
|
else if (instruction_is_convert_to_32bit) {
|
| 1373 |
|
|
error("oopsi");
|
| 1374 |
|
|
}
|
| 1375 |
|
|
else { /* arrith, frsp */
|
| 1376 |
|
|
*frt = select_qnan(fra, frb, frc,
|
| 1377 |
|
|
instruction_is_frsp, 1/*generate*/, single);
|
| 1378 |
|
|
FPSCR_SET_FR(0);
|
| 1379 |
|
|
FPSCR_SET_FI(0);
|
| 1380 |
|
|
FPSCR_SET_FPRF(fpscr_rf_quiet_nan);
|
| 1381 |
|
|
}
|
| 1382 |
|
|
}
|
| 1383 |
|
|
|
| 1384 |
|
|
|
| 1385 |
|
|
|
| 1386 |
|
|
|
| 1387 |
|
|
# detect divide by zero
|
| 1388 |
|
|
int::function::is_invalid_zero_divide:cpu *processor, unsigned_word cia, unsigned64 fra, unsigned64 frb, int single
|
| 1389 |
|
|
int fail = 0;
|
| 1390 |
|
|
if (is_zero (frb)) {
|
| 1391 |
|
|
FPSCR_SET_ZX (1);
|
| 1392 |
|
|
fail = 1;
|
| 1393 |
|
|
}
|
| 1394 |
|
|
return fail;
|
| 1395 |
|
|
|
| 1396 |
|
|
|
| 1397 |
|
|
|
| 1398 |
|
|
|
| 1399 |
|
|
# handle case of invalid operation
|
| 1400 |
|
|
void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 fra, unsigned64 frb, int single
|
| 1401 |
|
|
if (FPSCR & fpscr_ze) {
|
| 1402 |
|
|
/* zero-divide exception enabled */
|
| 1403 |
|
|
/* FRT unchaged */
|
| 1404 |
|
|
FPSCR_SET_FR(0);
|
| 1405 |
|
|
FPSCR_SET_FI(0);
|
| 1406 |
|
|
/* fpscr_FPRF unchanged */
|
| 1407 |
|
|
}
|
| 1408 |
|
|
else {
|
| 1409 |
|
|
/* zero-divide exception disabled */
|
| 1410 |
|
|
FPSCR_SET_FR(0);
|
| 1411 |
|
|
FPSCR_SET_FI(0);
|
| 1412 |
|
|
if ((sign (fra) < 0 && sign (frb) < 0)
|
| 1413 |
|
|
|| (sign (fra) > 0 && sign (frb) > 0)) {
|
| 1414 |
|
|
*frt = MASK64 (1, 11); /* 0 : 2047 : 0..0 */
|
| 1415 |
|
|
FPSCR_SET_FPRF(fpscr_rf_pos_infinity);
|
| 1416 |
|
|
}
|
| 1417 |
|
|
else {
|
| 1418 |
|
|
*frt = MASK64 (0, 11); /* 1 : 2047 : 0..0 */
|
| 1419 |
|
|
FPSCR_SET_FPRF(fpscr_rf_neg_infinity);
|
| 1420 |
|
|
}
|
| 1421 |
|
|
}
|
| 1422 |
|
|
|
| 1423 |
|
|
|
| 1424 |
|
|
|
| 1425 |
|
|
|
| 1426 |
|
|
|
| 1427 |
|
|
#
|
| 1428 |
|
|
# 0.0.0.0 Illegal instruction used for kernel mode emulation
|
| 1429 |
|
|
#
|
| 1430 |
|
|
0.0,6./,11./,16./,21./,31.1:X:::instruction_call
|
| 1431 |
|
|
if (!os_emul_instruction_call(processor, cia, real_addr(cia, 1)))
|
| 1432 |
|
|
program_interrupt(processor, cia,
|
| 1433 |
|
|
illegal_instruction_program_interrupt);
|
| 1434 |
|
|
|
| 1435 |
|
|
#
|
| 1436 |
|
|
# I.2.4.1 Branch Instructions
|
| 1437 |
|
|
#
|
| 1438 |
|
|
0.18,6.LI,30.AA,31.LK:I:::Branch
|
| 1439 |
|
|
*601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1440 |
|
|
*603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1441 |
|
|
*603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1442 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1443 |
|
|
/* option_mpc860c0:
|
| 1444 |
|
|
No problem here because this branch is predicted taken (unconditional). */
|
| 1445 |
|
|
if (AA) NIA = IEA(EXTS(LI_0b00));
|
| 1446 |
|
|
else NIA = IEA(CIA + EXTS(LI_0b00));
|
| 1447 |
|
|
if (LK) LR = (spreg)CIA+4;
|
| 1448 |
|
|
if (CURRENT_MODEL_ISSUE > 0)
|
| 1449 |
|
|
model_branches(cpu_model(processor), 1, -1);
|
| 1450 |
|
|
|
| 1451 |
|
|
0.16,6.BO,11.BI,16.BD,30.AA,31.LK:B:::Branch Conditional
|
| 1452 |
|
|
*601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1453 |
|
|
*603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1454 |
|
|
*603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1455 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1456 |
|
|
int M, ctr_ok, cond_ok, succeed;
|
| 1457 |
|
|
if (CURRENT_MODEL_ISSUE > 0 && ! BO{0})
|
| 1458 |
|
|
model_wait_for_cr(cpu_model(processor), BIT32_BI);
|
| 1459 |
|
|
if (is_64bit_implementation && is_64bit_mode) M = 0;
|
| 1460 |
|
|
else M = 32;
|
| 1461 |
|
|
if (!BO{2}) CTR = CTR - 1;
|
| 1462 |
|
|
ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != (BO{3}));
|
| 1463 |
|
|
cond_ok = BO{0} || ((CR{BI}) == (BO{1}));
|
| 1464 |
|
|
if (ctr_ok && cond_ok) {
|
| 1465 |
|
|
if (AA) NIA = IEA(EXTS(BD_0b00));
|
| 1466 |
|
|
else NIA = IEA(CIA + EXTS(BD_0b00));
|
| 1467 |
|
|
succeed = 1;
|
| 1468 |
|
|
}
|
| 1469 |
|
|
else
|
| 1470 |
|
|
succeed = 0;
|
| 1471 |
|
|
if (LK) LR = (spreg)IEA(CIA + 4);
|
| 1472 |
|
|
if (option_mpc860c0 && (!BO{0} || !BO{2}) && !BO{4}) {
|
| 1473 |
|
|
/* This branch is predicted as "normal".
|
| 1474 |
|
|
If this is a forward branch and it is near the end of a page,
|
| 1475 |
|
|
we've detected a problematic branch. */
|
| 1476 |
|
|
if (succeed && NIA > CIA) {
|
| 1477 |
|
|
if (PAGE_SIZE - (CIA & (PAGE_SIZE-1)) <= option_mpc860c0)
|
| 1478 |
|
|
program_interrupt(processor, cia, mpc860c0_instruction_program_interrupt);
|
| 1479 |
|
|
}
|
| 1480 |
|
|
}
|
| 1481 |
|
|
if (CURRENT_MODEL_ISSUE > 0)
|
| 1482 |
|
|
model_branches(cpu_model(processor), succeed, BO);
|
| 1483 |
|
|
if (! BO{0}) {
|
| 1484 |
|
|
int reverse;
|
| 1485 |
|
|
if (BO{4}) { /* branch prediction bit set, reverse sense of test */
|
| 1486 |
|
|
reverse = EXTS(BD_0b00) < 0;
|
| 1487 |
|
|
} else { /* branch prediction bit not set */
|
| 1488 |
|
|
reverse = EXTS(BD_0b00) >= 0;
|
| 1489 |
|
|
}
|
| 1490 |
|
|
if (CURRENT_MODEL_ISSUE > 0)
|
| 1491 |
|
|
model_branch_predict(cpu_model(processor), reverse ? !succeed : succeed);
|
| 1492 |
|
|
}
|
| 1493 |
|
|
|
| 1494 |
|
|
0.19,6.BO,11.BI,16./,21.16,31.LK:XL:::Branch Conditional to Link Register
|
| 1495 |
|
|
*601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1496 |
|
|
*603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1497 |
|
|
*603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1498 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1499 |
|
|
int M, ctr_ok, cond_ok, succeed;
|
| 1500 |
|
|
if (is_64bit_implementation && is_64bit_mode) M = 0;
|
| 1501 |
|
|
else M = 32;
|
| 1502 |
|
|
if (CURRENT_MODEL_ISSUE > 0 && ! BO{0})
|
| 1503 |
|
|
model_wait_for_cr(cpu_model(processor), BIT32_BI);
|
| 1504 |
|
|
if (!BO{2}) CTR = CTR - 1;
|
| 1505 |
|
|
ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != BO{3});
|
| 1506 |
|
|
cond_ok = BO{0} || (CR{BI} == BO{1});
|
| 1507 |
|
|
if (ctr_ok && cond_ok) {
|
| 1508 |
|
|
NIA = IEA(LR_0b00);
|
| 1509 |
|
|
succeed = 1;
|
| 1510 |
|
|
}
|
| 1511 |
|
|
else
|
| 1512 |
|
|
succeed = 0;
|
| 1513 |
|
|
if (LK) LR = (spreg)IEA(CIA + 4);
|
| 1514 |
|
|
if (option_mpc860c0 && (!BO{0} || !BO{2}) && !BO{4}) {
|
| 1515 |
|
|
/* This branch is predicted as not-taken.
|
| 1516 |
|
|
If this is a forward branch and it is near the end of a page,
|
| 1517 |
|
|
we've detected a problematic branch. */
|
| 1518 |
|
|
if (succeed && NIA > CIA) {
|
| 1519 |
|
|
if (PAGE_SIZE - (CIA & (PAGE_SIZE-1)) <= option_mpc860c0)
|
| 1520 |
|
|
program_interrupt(processor, cia, mpc860c0_instruction_program_interrupt);
|
| 1521 |
|
|
}
|
| 1522 |
|
|
}
|
| 1523 |
|
|
if (CURRENT_MODEL_ISSUE > 0) {
|
| 1524 |
|
|
model_branches(cpu_model(processor), succeed, BO);
|
| 1525 |
|
|
if (! BO{0})
|
| 1526 |
|
|
model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed);
|
| 1527 |
|
|
}
|
| 1528 |
|
|
|
| 1529 |
|
|
0.19,6.BO,11.BI,16./,21.528,31.LK:XL:::Branch Conditional to Count Register
|
| 1530 |
|
|
*601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1531 |
|
|
*603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1532 |
|
|
*603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1533 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1534 |
|
|
int cond_ok, succeed;
|
| 1535 |
|
|
if (CURRENT_MODEL_ISSUE > 0 && ! BO{0})
|
| 1536 |
|
|
model_wait_for_cr(cpu_model(processor), BIT32_BI);
|
| 1537 |
|
|
cond_ok = BO{0} || (CR{BI} == BO{1});
|
| 1538 |
|
|
if (cond_ok) {
|
| 1539 |
|
|
NIA = IEA(CTR_0b00);
|
| 1540 |
|
|
succeed = 1;
|
| 1541 |
|
|
}
|
| 1542 |
|
|
else
|
| 1543 |
|
|
succeed = 0;
|
| 1544 |
|
|
if (LK) LR = (spreg)IEA(CIA + 4);
|
| 1545 |
|
|
if (option_mpc860c0 && (!BO{0} || !BO{2}) && !BO{4}) {
|
| 1546 |
|
|
/* This branch is predicted as not-taken.
|
| 1547 |
|
|
If this is a forward branch and it is near the end of a page,
|
| 1548 |
|
|
we've detected a problematic branch. */
|
| 1549 |
|
|
if (succeed && NIA > CIA) {
|
| 1550 |
|
|
if (PAGE_SIZE - (CIA & (PAGE_SIZE-1)) <= option_mpc860c0)
|
| 1551 |
|
|
program_interrupt(processor, cia, mpc860c0_instruction_program_interrupt);
|
| 1552 |
|
|
}
|
| 1553 |
|
|
}
|
| 1554 |
|
|
if (CURRENT_MODEL_ISSUE > 0) {
|
| 1555 |
|
|
model_branches(cpu_model(processor), succeed, BO);
|
| 1556 |
|
|
if (! BO{0})
|
| 1557 |
|
|
model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed);
|
| 1558 |
|
|
}
|
| 1559 |
|
|
|
| 1560 |
|
|
#
|
| 1561 |
|
|
# I.2.4.2 System Call Instruction
|
| 1562 |
|
|
#
|
| 1563 |
|
|
0.17,6./,11./,16./,30.1,31./:SC:::System Call
|
| 1564 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1565 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0
|
| 1566 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0
|
| 1567 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 1568 |
|
|
if (CURRENT_MODEL_ISSUE > 0)
|
| 1569 |
|
|
model_serialize(MY_INDEX, cpu_model(processor));
|
| 1570 |
|
|
system_call_interrupt(processor, cia);
|
| 1571 |
|
|
|
| 1572 |
|
|
#
|
| 1573 |
|
|
# I.2.4.3 Condition Register Logical Instructions
|
| 1574 |
|
|
#
|
| 1575 |
|
|
0.19,6.BT,11.BA,16.BB,21.257,31./:XL::crand:Condition Register AND
|
| 1576 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1577 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1578 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1579 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1580 |
|
|
BLIT32(CR, BT, CR{BA} && CR{BB});
|
| 1581 |
|
|
PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK);
|
| 1582 |
|
|
|
| 1583 |
|
|
0.19,6.BT,11.BA,16.BB,21.449,31./:XL::cror:Condition Register OR
|
| 1584 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1585 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1586 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1587 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1588 |
|
|
BLIT32(CR, BT, CR{BA} || CR{BB});
|
| 1589 |
|
|
PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK);
|
| 1590 |
|
|
|
| 1591 |
|
|
0.19,6.BT,11.BA,16.BB,21.193,31./:XL::crxor:Condition Register XOR
|
| 1592 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1593 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1594 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1595 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1596 |
|
|
BLIT32(CR, BT, CR{BA} != CR{BB});
|
| 1597 |
|
|
PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK);
|
| 1598 |
|
|
|
| 1599 |
|
|
0.19,6.BT,11.BA,16.BB,21.225,31./:XL::crnand:Condition Register NAND
|
| 1600 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1601 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1602 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1603 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1604 |
|
|
BLIT32(CR, BT, !(CR{BA} && CR{BB}));
|
| 1605 |
|
|
PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK);
|
| 1606 |
|
|
|
| 1607 |
|
|
0.19,6.BT,11.BA,16.BB,21.33,31./:XL::crnor:Condition Register NOR
|
| 1608 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1609 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1610 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1611 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1612 |
|
|
BLIT32(CR, BT, !(CR{BA} || CR{BB}));
|
| 1613 |
|
|
PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK);
|
| 1614 |
|
|
|
| 1615 |
|
|
0.19,6.BT,11.BA,16.BB,21.289,31./:XL::creqv:Condition Register Equivalent
|
| 1616 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1617 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1618 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1619 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1620 |
|
|
BLIT32(CR, BT, CR{BA} == CR{BB});
|
| 1621 |
|
|
PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK);
|
| 1622 |
|
|
|
| 1623 |
|
|
0.19,6.BT,11.BA,16.BB,21.129,31./:XL::crandc:Condition Register AND with Complement
|
| 1624 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1625 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1626 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1627 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1628 |
|
|
BLIT32(CR, BT, CR{BA} && !CR{BB});
|
| 1629 |
|
|
PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK);
|
| 1630 |
|
|
|
| 1631 |
|
|
0.19,6.BT,11.BA,16.BB,21.417,31./:XL::crorc:Condition Register OR with Complement
|
| 1632 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1633 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1634 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1635 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1636 |
|
|
BLIT32(CR, BT, CR{BA} || !CR{BB});
|
| 1637 |
|
|
PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK);
|
| 1638 |
|
|
|
| 1639 |
|
|
#
|
| 1640 |
|
|
# I.2.4.4 Condition Register Field Instruction
|
| 1641 |
|
|
#
|
| 1642 |
|
|
0.19,6.BF,9./,11.BFA,14./,16./,21.0,31./:XL:::Move Condition Register Field
|
| 1643 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1644 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1645 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 1646 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0
|
| 1647 |
|
|
MBLIT32(CR, 4*BF, 4*BF+3, EXTRACTED32(CR, 4*BFA, 4*BFA+3));
|
| 1648 |
|
|
PPC_INSN_CR(BF_BITMASK, 1 << BFA);
|
| 1649 |
|
|
|
| 1650 |
|
|
|
| 1651 |
|
|
#
|
| 1652 |
|
|
# I.3.3.2 Fixed-Point Load Instructions
|
| 1653 |
|
|
#
|
| 1654 |
|
|
|
| 1655 |
|
|
0.34,6.RT,11.RA,16.D:D:::Load Byte and Zero
|
| 1656 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1657 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1658 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1659 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1660 |
|
|
unsigned_word b;
|
| 1661 |
|
|
unsigned_word EA;
|
| 1662 |
|
|
if (RA_is_0) b = 0;
|
| 1663 |
|
|
else b = *rA;
|
| 1664 |
|
|
EA = b + EXTS(D);
|
| 1665 |
|
|
*rT = MEM(unsigned, EA, 1);
|
| 1666 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 1667 |
|
|
|
| 1668 |
|
|
|
| 1669 |
|
|
0.31,6.RT,11.RA,16.RB,21.87,31./:X:::Load Byte and Zero Indexed
|
| 1670 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1671 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1672 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1673 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1674 |
|
|
unsigned_word b;
|
| 1675 |
|
|
unsigned_word EA;
|
| 1676 |
|
|
if (RA_is_0) b = 0;
|
| 1677 |
|
|
else b = *rA;
|
| 1678 |
|
|
EA = b + *rB;
|
| 1679 |
|
|
*rT = MEM(unsigned, EA, 1);
|
| 1680 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 1681 |
|
|
|
| 1682 |
|
|
0.35,6.RT,11.RA,16.D:D:::Load Byte and Zero with Update
|
| 1683 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1684 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1685 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1686 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1687 |
|
|
unsigned_word EA;
|
| 1688 |
|
|
if (RA_is_0 || RA == RT)
|
| 1689 |
|
|
program_interrupt(processor, cia,
|
| 1690 |
|
|
illegal_instruction_program_interrupt);
|
| 1691 |
|
|
EA = *rA + EXTS(D);
|
| 1692 |
|
|
*rT = MEM(unsigned, EA, 1);
|
| 1693 |
|
|
*rA = EA;
|
| 1694 |
|
|
PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0);
|
| 1695 |
|
|
|
| 1696 |
|
|
0.31,6.RT,11.RA,16.RB,21.119,31./:X:::Load Byte and Zero with Update Indexed
|
| 1697 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1698 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1699 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1700 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1701 |
|
|
unsigned_word EA;
|
| 1702 |
|
|
if (RA_is_0 || RA == RT)
|
| 1703 |
|
|
program_interrupt(processor, cia,
|
| 1704 |
|
|
illegal_instruction_program_interrupt);
|
| 1705 |
|
|
EA = *rA + *rB;
|
| 1706 |
|
|
*rT = MEM(unsigned, EA, 1);
|
| 1707 |
|
|
*rA = EA;
|
| 1708 |
|
|
PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0);
|
| 1709 |
|
|
|
| 1710 |
|
|
0.40,6.RT,11.RA,16.D:D:::Load Halfword and Zero
|
| 1711 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1712 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1713 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1714 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1715 |
|
|
unsigned_word b;
|
| 1716 |
|
|
unsigned_word EA;
|
| 1717 |
|
|
if (RA_is_0) b = 0;
|
| 1718 |
|
|
else b = *rA;
|
| 1719 |
|
|
EA = b + EXTS(D);
|
| 1720 |
|
|
*rT = MEM(unsigned, EA, 2);
|
| 1721 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 1722 |
|
|
|
| 1723 |
|
|
0.31,6.RT,11.RA,16.RB,21.279,31./:X:::Load Halfword and Zero Indexed
|
| 1724 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1725 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1726 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1727 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1728 |
|
|
unsigned_word b;
|
| 1729 |
|
|
unsigned_word EA;
|
| 1730 |
|
|
if (RA_is_0) b = 0;
|
| 1731 |
|
|
else b = *rA;
|
| 1732 |
|
|
EA = b + *rB;
|
| 1733 |
|
|
*rT = MEM(unsigned, EA, 2);
|
| 1734 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 1735 |
|
|
|
| 1736 |
|
|
0.41,6.RT,11.RA,16.D:D:::Load Halfword and Zero with Update
|
| 1737 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1738 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1739 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1740 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1741 |
|
|
unsigned_word EA;
|
| 1742 |
|
|
if (RA_is_0 || RA == RT)
|
| 1743 |
|
|
program_interrupt(processor, cia,
|
| 1744 |
|
|
illegal_instruction_program_interrupt);
|
| 1745 |
|
|
EA = *rA + EXTS(D);
|
| 1746 |
|
|
*rT = MEM(unsigned, EA, 2);
|
| 1747 |
|
|
*rA = EA;
|
| 1748 |
|
|
PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0);
|
| 1749 |
|
|
|
| 1750 |
|
|
0.31,6.RT,11.RA,16.RB,21.311,31./:X:::Load Halfword and Zero with Update Indexed
|
| 1751 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1752 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1753 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1754 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1755 |
|
|
unsigned_word EA;
|
| 1756 |
|
|
if (RA_is_0 || RA == RT)
|
| 1757 |
|
|
program_interrupt(processor, cia,
|
| 1758 |
|
|
illegal_instruction_program_interrupt);
|
| 1759 |
|
|
EA = *rA + *rB;
|
| 1760 |
|
|
*rT = MEM(unsigned, EA, 2);
|
| 1761 |
|
|
*rA = EA;
|
| 1762 |
|
|
PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0);
|
| 1763 |
|
|
|
| 1764 |
|
|
0.42,6.RT,11.RA,16.D:D:::Load Halfword Algebraic
|
| 1765 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1766 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1767 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1768 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1769 |
|
|
unsigned_word b;
|
| 1770 |
|
|
unsigned_word EA;
|
| 1771 |
|
|
if (RA_is_0) b = 0;
|
| 1772 |
|
|
else b = *rA;
|
| 1773 |
|
|
EA = b + EXTS(D);
|
| 1774 |
|
|
*rT = MEM(signed, EA, 2);
|
| 1775 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 1776 |
|
|
|
| 1777 |
|
|
0.31,6.RT,11.RA,16.RB,21.343,31./:X:::Load Halfword Algebraic Indexed
|
| 1778 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1779 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1780 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1781 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1782 |
|
|
unsigned_word b;
|
| 1783 |
|
|
unsigned_word EA;
|
| 1784 |
|
|
if (RA_is_0) b = 0;
|
| 1785 |
|
|
else b = *rA;
|
| 1786 |
|
|
EA = b + *rB;
|
| 1787 |
|
|
*rT = MEM(signed, EA, 2);
|
| 1788 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 1789 |
|
|
|
| 1790 |
|
|
0.43,6.RT,11.RA,16.D:D:::Load Halfword Algebraic with Update
|
| 1791 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1792 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1793 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1794 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1795 |
|
|
unsigned_word EA;
|
| 1796 |
|
|
if (RA_is_0 || RA == RT)
|
| 1797 |
|
|
program_interrupt(processor, cia,
|
| 1798 |
|
|
illegal_instruction_program_interrupt);
|
| 1799 |
|
|
EA = *rA + EXTS(D);
|
| 1800 |
|
|
*rT = MEM(signed, EA, 2);
|
| 1801 |
|
|
*rA = EA;
|
| 1802 |
|
|
PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0);
|
| 1803 |
|
|
|
| 1804 |
|
|
0.31,6.RT,11.RA,16.RB,21.375,31./:X:::Load Halfword Algebraic with Update Indexed
|
| 1805 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1806 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1807 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1808 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1809 |
|
|
unsigned_word EA;
|
| 1810 |
|
|
if (RA_is_0 || RA == RT)
|
| 1811 |
|
|
program_interrupt(processor, cia,
|
| 1812 |
|
|
illegal_instruction_program_interrupt);
|
| 1813 |
|
|
EA = *rA + *rB;
|
| 1814 |
|
|
*rT = MEM(signed, EA, 2);
|
| 1815 |
|
|
*rA = EA;
|
| 1816 |
|
|
PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0);
|
| 1817 |
|
|
|
| 1818 |
|
|
0.32,6.RT,11.RA,16.D:D:::Load Word and Zero
|
| 1819 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1820 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1821 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1822 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1823 |
|
|
unsigned_word b;
|
| 1824 |
|
|
unsigned_word EA;
|
| 1825 |
|
|
if (RA_is_0) b = 0;
|
| 1826 |
|
|
else b = *rA;
|
| 1827 |
|
|
EA = b + EXTS(D);
|
| 1828 |
|
|
*rT = MEM(unsigned, EA, 4);
|
| 1829 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 1830 |
|
|
|
| 1831 |
|
|
0.31,6.RT,11.RA,16.RB,21.23,31./:X:::Load Word and Zero Indexed
|
| 1832 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1833 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1834 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1835 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1836 |
|
|
unsigned_word b;
|
| 1837 |
|
|
unsigned_word EA;
|
| 1838 |
|
|
if (RA_is_0) b = 0;
|
| 1839 |
|
|
else b = *rA;
|
| 1840 |
|
|
EA = b + *rB;
|
| 1841 |
|
|
*rT = MEM(unsigned, EA, 4);
|
| 1842 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 1843 |
|
|
|
| 1844 |
|
|
0.33,6.RT,11.RA,16.D:D:::Load Word and Zero with Update
|
| 1845 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1846 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1847 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1848 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1849 |
|
|
unsigned_word EA;
|
| 1850 |
|
|
if (RA_is_0 || RA == RT)
|
| 1851 |
|
|
program_interrupt(processor, cia,
|
| 1852 |
|
|
illegal_instruction_program_interrupt);
|
| 1853 |
|
|
EA = *rA + EXTS(D);
|
| 1854 |
|
|
*rT = MEM(unsigned, EA, 4);
|
| 1855 |
|
|
*rA = EA;
|
| 1856 |
|
|
PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0);
|
| 1857 |
|
|
|
| 1858 |
|
|
0.31,6.RT,11.RA,16.RB,21.55,31./:X:::Load Word and Zero with Update Indexed
|
| 1859 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0
|
| 1860 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1861 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1862 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1863 |
|
|
unsigned_word EA;
|
| 1864 |
|
|
if (RA_is_0 || RA == RT)
|
| 1865 |
|
|
program_interrupt(processor, cia,
|
| 1866 |
|
|
illegal_instruction_program_interrupt);
|
| 1867 |
|
|
EA = *rA + *rB;
|
| 1868 |
|
|
*rT = MEM(unsigned, EA, 4);
|
| 1869 |
|
|
*rA = EA;
|
| 1870 |
|
|
PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0);
|
| 1871 |
|
|
|
| 1872 |
|
|
0.58,6.RT,11.RA,16.DS,30.2:DS:64::Load Word Algebraic
|
| 1873 |
|
|
# unsigned_word b;
|
| 1874 |
|
|
# unsigned_word EA;
|
| 1875 |
|
|
# if (RA_is_0) b = 0;
|
| 1876 |
|
|
# else b = *rA;
|
| 1877 |
|
|
# EA = b + EXTS(DS_0b00);
|
| 1878 |
|
|
# *rT = MEM(signed, EA, 4);
|
| 1879 |
|
|
|
| 1880 |
|
|
0.31,6.RT,11.RA,16.RB,21.341,31./:X:64::Load Word Algebraic Indexed
|
| 1881 |
|
|
# unsigned_word b;
|
| 1882 |
|
|
# unsigned_word EA;
|
| 1883 |
|
|
# if (RA_is_0) b = 0;
|
| 1884 |
|
|
# else b = *rA;
|
| 1885 |
|
|
# EA = b + *rB;;
|
| 1886 |
|
|
# *rT = MEM(signed, EA, 4);
|
| 1887 |
|
|
|
| 1888 |
|
|
0.31,6.RT,11.RA,16.RB,21.373,31./:X:64::Load Word Algebraic with Update Indexed
|
| 1889 |
|
|
# unsigned_word EA;
|
| 1890 |
|
|
# if (RA_is_0 || RA == RT)
|
| 1891 |
|
|
# program_interrupt(processor, cia
|
| 1892 |
|
|
# illegal_instruction_program_interrupt);
|
| 1893 |
|
|
# EA = *rA + *rB;
|
| 1894 |
|
|
# *rT = MEM(signed, EA, 4);
|
| 1895 |
|
|
# *rA = EA;
|
| 1896 |
|
|
|
| 1897 |
|
|
0.58,6.RT,11.RA,16.DS,30.0:DS:64::Load Doubleword
|
| 1898 |
|
|
# unsigned_word b;
|
| 1899 |
|
|
# unsigned_word EA;
|
| 1900 |
|
|
# if (RA_is_0) b = 0;
|
| 1901 |
|
|
# else b = *rA;
|
| 1902 |
|
|
# EA = b + EXTS(DS_0b00);
|
| 1903 |
|
|
# *rT = MEM(unsigned, EA, 8);
|
| 1904 |
|
|
|
| 1905 |
|
|
0.31,6.RT,11.RA,16.RB,21.21,31./:X:64::Load Doubleword Indexed
|
| 1906 |
|
|
# unsigned_word b;
|
| 1907 |
|
|
# unsigned_word EA;
|
| 1908 |
|
|
# if (RA_is_0) b = 0;
|
| 1909 |
|
|
# else b = *rA;
|
| 1910 |
|
|
# EA = b + *rB;
|
| 1911 |
|
|
# *rT = MEM(unsigned, EA, 8);
|
| 1912 |
|
|
|
| 1913 |
|
|
0.58,6.RT,11.RA,16.DS,30.1:DS:64::Load Doubleword with Update
|
| 1914 |
|
|
# unsigned_word EA;
|
| 1915 |
|
|
# if (RA_is_0 || RA == RT)
|
| 1916 |
|
|
# program_interrupt(processor, cia
|
| 1917 |
|
|
# illegal_instruction_program_interrupt);
|
| 1918 |
|
|
# EA = *rA + EXTS(DS_0b00);
|
| 1919 |
|
|
# *rT = MEM(unsigned, EA, 8);
|
| 1920 |
|
|
# *rA = EA;
|
| 1921 |
|
|
|
| 1922 |
|
|
0.31,6.RT,11.RA,16.RB,21.53,31./:DS:64::Load Doubleword with Update Indexed
|
| 1923 |
|
|
# unsigned_word EA;
|
| 1924 |
|
|
# if (RA_is_0 || RA == RT)
|
| 1925 |
|
|
# program_interrupt(processor, cia
|
| 1926 |
|
|
# illegal_instruction_program_interrupt);
|
| 1927 |
|
|
# EA = *rA + *rB;
|
| 1928 |
|
|
# *rT = MEM(unsigned, EA, 8);
|
| 1929 |
|
|
# *rA = EA;
|
| 1930 |
|
|
|
| 1931 |
|
|
|
| 1932 |
|
|
|
| 1933 |
|
|
#
|
| 1934 |
|
|
# I.3.3.3 Fixed-Point Store Instructions
|
| 1935 |
|
|
#
|
| 1936 |
|
|
|
| 1937 |
|
|
0.38,6.RS,11.RA,16.D:D:::Store Byte
|
| 1938 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1939 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1940 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1941 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 1942 |
|
|
unsigned_word b;
|
| 1943 |
|
|
unsigned_word EA;
|
| 1944 |
|
|
if (RA_is_0) b = 0;
|
| 1945 |
|
|
else b = *rA;
|
| 1946 |
|
|
EA = b + EXTS(D);
|
| 1947 |
|
|
STORE(EA, 1, *rS);
|
| 1948 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0);
|
| 1949 |
|
|
|
| 1950 |
|
|
0.31,6.RS,11.RA,16.RB,21.215,31./:X:::Store Byte Indexed
|
| 1951 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1952 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1953 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1954 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 1955 |
|
|
unsigned_word b;
|
| 1956 |
|
|
unsigned_word EA;
|
| 1957 |
|
|
if (RA_is_0) b = 0;
|
| 1958 |
|
|
else b = *rA;
|
| 1959 |
|
|
EA = b + *rB;
|
| 1960 |
|
|
STORE(EA, 1, *rS);
|
| 1961 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0);
|
| 1962 |
|
|
|
| 1963 |
|
|
0.39,6.RS,11.RA,16.D:D:::Store Byte with Update
|
| 1964 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1965 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1966 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1967 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 1968 |
|
|
unsigned_word EA;
|
| 1969 |
|
|
if (RA_is_0)
|
| 1970 |
|
|
program_interrupt(processor, cia,
|
| 1971 |
|
|
illegal_instruction_program_interrupt);
|
| 1972 |
|
|
EA = *rA + EXTS(D);
|
| 1973 |
|
|
STORE(EA, 1, *rS);
|
| 1974 |
|
|
*rA = EA;
|
| 1975 |
|
|
PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0);
|
| 1976 |
|
|
|
| 1977 |
|
|
0.31,6.RS,11.RA,16.RB,21.247,31./:X:::Store Byte with Update Indexed
|
| 1978 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1979 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1980 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1981 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 1982 |
|
|
unsigned_word EA;
|
| 1983 |
|
|
if (RA_is_0)
|
| 1984 |
|
|
program_interrupt(processor, cia,
|
| 1985 |
|
|
illegal_instruction_program_interrupt);
|
| 1986 |
|
|
EA = *rA + *rB;
|
| 1987 |
|
|
STORE(EA, 1, *rS);
|
| 1988 |
|
|
*rA = EA;
|
| 1989 |
|
|
PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0);
|
| 1990 |
|
|
|
| 1991 |
|
|
0.44,6.RS,11.RA,16.D:D:::Store Half Word
|
| 1992 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 1993 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1994 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 1995 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 1996 |
|
|
unsigned_word b;
|
| 1997 |
|
|
unsigned_word EA;
|
| 1998 |
|
|
if (RA_is_0) b = 0;
|
| 1999 |
|
|
else b = *rA;
|
| 2000 |
|
|
EA = b + EXTS(D);
|
| 2001 |
|
|
STORE(EA, 2, *rS);
|
| 2002 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0);
|
| 2003 |
|
|
|
| 2004 |
|
|
0.31,6.RS,11.RA,16.RB,21.407,31./:X:::Store Half Word Indexed
|
| 2005 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2006 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2007 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2008 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2009 |
|
|
unsigned_word b;
|
| 2010 |
|
|
unsigned_word EA;
|
| 2011 |
|
|
if (RA_is_0) b = 0;
|
| 2012 |
|
|
else b = *rA;
|
| 2013 |
|
|
EA = b + *rB;
|
| 2014 |
|
|
STORE(EA, 2, *rS);
|
| 2015 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0);
|
| 2016 |
|
|
|
| 2017 |
|
|
0.45,6.RS,11.RA,16.D:D:::Store Half Word with Update
|
| 2018 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2019 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2020 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2021 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2022 |
|
|
unsigned_word EA;
|
| 2023 |
|
|
if (RA_is_0)
|
| 2024 |
|
|
program_interrupt(processor, cia,
|
| 2025 |
|
|
illegal_instruction_program_interrupt);
|
| 2026 |
|
|
EA = *rA + EXTS(D);
|
| 2027 |
|
|
STORE(EA, 2, *rS);
|
| 2028 |
|
|
*rA = EA;
|
| 2029 |
|
|
PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0);
|
| 2030 |
|
|
|
| 2031 |
|
|
0.31,6.RS,11.RA,16.RB,21.439,31./:X:::Store Half Word with Update Indexed
|
| 2032 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2033 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2034 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2035 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2036 |
|
|
unsigned_word EA;
|
| 2037 |
|
|
if (RA_is_0)
|
| 2038 |
|
|
program_interrupt(processor, cia,
|
| 2039 |
|
|
illegal_instruction_program_interrupt);
|
| 2040 |
|
|
EA = *rA + *rB;
|
| 2041 |
|
|
STORE(EA, 2, *rS);
|
| 2042 |
|
|
*rA = EA;
|
| 2043 |
|
|
PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0);
|
| 2044 |
|
|
|
| 2045 |
|
|
0.36,6.RS,11.RA,16.D:D:::Store Word
|
| 2046 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2047 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2048 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2049 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2050 |
|
|
unsigned_word b;
|
| 2051 |
|
|
unsigned_word EA;
|
| 2052 |
|
|
if (RA_is_0) b = 0;
|
| 2053 |
|
|
else b = *rA;
|
| 2054 |
|
|
EA = b + EXTS(D);
|
| 2055 |
|
|
STORE(EA, 4, *rS);
|
| 2056 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0);
|
| 2057 |
|
|
|
| 2058 |
|
|
0.31,6.RS,11.RA,16.RB,21.151,31./:X:::Store Word Indexed
|
| 2059 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2060 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2061 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2062 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2063 |
|
|
unsigned_word b;
|
| 2064 |
|
|
unsigned_word EA;
|
| 2065 |
|
|
if (RA_is_0) b = 0;
|
| 2066 |
|
|
else b = *rA;
|
| 2067 |
|
|
EA = b + *rB;
|
| 2068 |
|
|
STORE(EA, 4, *rS);
|
| 2069 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0);
|
| 2070 |
|
|
|
| 2071 |
|
|
0.37,6.RS,11.RA,16.D:D:::Store Word with Update
|
| 2072 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2073 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2074 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2075 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2076 |
|
|
unsigned_word EA;
|
| 2077 |
|
|
if (RA_is_0)
|
| 2078 |
|
|
program_interrupt(processor, cia,
|
| 2079 |
|
|
illegal_instruction_program_interrupt);
|
| 2080 |
|
|
EA = *rA + EXTS(D);
|
| 2081 |
|
|
STORE(EA, 4, *rS);
|
| 2082 |
|
|
*rA = EA;
|
| 2083 |
|
|
PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0);
|
| 2084 |
|
|
|
| 2085 |
|
|
0.31,6.RS,11.RA,16.RB,21.183,31./:X:::Store Word with Update Indexed
|
| 2086 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2087 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2088 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2089 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2090 |
|
|
unsigned_word EA;
|
| 2091 |
|
|
if (RA_is_0)
|
| 2092 |
|
|
program_interrupt(processor, cia,
|
| 2093 |
|
|
illegal_instruction_program_interrupt);
|
| 2094 |
|
|
EA = *rA + *rB;
|
| 2095 |
|
|
STORE(EA, 4, *rS);
|
| 2096 |
|
|
*rA = EA;
|
| 2097 |
|
|
PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0);
|
| 2098 |
|
|
|
| 2099 |
|
|
0.62,6.RS,11.RA,16.DS,30.0:DS:64::Store Doubleword
|
| 2100 |
|
|
# unsigned_word b;
|
| 2101 |
|
|
# unsigned_word EA;
|
| 2102 |
|
|
# if (RA_is_0) b = 0;
|
| 2103 |
|
|
# else b = *rA;
|
| 2104 |
|
|
# EA = b + EXTS(DS_0b00);
|
| 2105 |
|
|
# STORE(EA, 8, *rS);
|
| 2106 |
|
|
0.31,6.RS,11.RA,16.RB,21.149,31./:X:64::Store Doubleword Indexed
|
| 2107 |
|
|
# unsigned_word b;
|
| 2108 |
|
|
# unsigned_word EA;
|
| 2109 |
|
|
# if (RA_is_0) b = 0;
|
| 2110 |
|
|
# else b = *rA;
|
| 2111 |
|
|
# EA = b + *rB;
|
| 2112 |
|
|
# STORE(EA, 8, *rS);
|
| 2113 |
|
|
0.62,6.RS,11.RA,16.DS,30.1:DS:64::Store Doubleword with Update
|
| 2114 |
|
|
# unsigned_word EA;
|
| 2115 |
|
|
# if (RA_is_0)
|
| 2116 |
|
|
# program_interrupt(processor, cia
|
| 2117 |
|
|
# illegal_instruction_program_interrupt);
|
| 2118 |
|
|
# EA = *rA + EXTS(DS_0b00);
|
| 2119 |
|
|
# STORE(EA, 8, *rS);
|
| 2120 |
|
|
# *rA = EA;
|
| 2121 |
|
|
0.31,6.RS,11.RA,16.RB,21.181,31./:X:64::Store Doubleword with Update Indexed
|
| 2122 |
|
|
# unsigned_word EA;
|
| 2123 |
|
|
# if (RA_is_0)
|
| 2124 |
|
|
# program_interrupt(processor, cia
|
| 2125 |
|
|
# illegal_instruction_program_interrupt);
|
| 2126 |
|
|
# EA = *rA + *rB;
|
| 2127 |
|
|
# STORE(EA, 8, *rS);
|
| 2128 |
|
|
# *rA = EA;
|
| 2129 |
|
|
|
| 2130 |
|
|
|
| 2131 |
|
|
#
|
| 2132 |
|
|
# I.3.3.4 Fixed-Point Load and Store with Byte Reversal Instructions
|
| 2133 |
|
|
#
|
| 2134 |
|
|
|
| 2135 |
|
|
0.31,6.RT,11.RA,16.RB,21.790,31./:X:::Load Halfword Byte-Reverse Indexed
|
| 2136 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2137 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2138 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2139 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2140 |
|
|
unsigned_word b;
|
| 2141 |
|
|
unsigned_word EA;
|
| 2142 |
|
|
if (RA_is_0) b = 0;
|
| 2143 |
|
|
else b = *rA;
|
| 2144 |
|
|
EA = b + *rB;
|
| 2145 |
|
|
*rT = SWAP_2(MEM(unsigned, EA, 2));
|
| 2146 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 2147 |
|
|
|
| 2148 |
|
|
0.31,6.RT,11.RA,16.RB,21.534,31./:X:::Load Word Byte-Reverse Indexed
|
| 2149 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2150 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2151 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2152 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2153 |
|
|
unsigned_word b;
|
| 2154 |
|
|
unsigned_word EA;
|
| 2155 |
|
|
if (RA_is_0) b = 0;
|
| 2156 |
|
|
else b = *rA;
|
| 2157 |
|
|
EA = b + *rB;
|
| 2158 |
|
|
*rT = SWAP_4(MEM(unsigned, EA, 4));
|
| 2159 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 2160 |
|
|
|
| 2161 |
|
|
0.31,6.RS,11.RA,16.RB,21.918,31./:X:::Store Half Word Byte-Reversed Indexed
|
| 2162 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2163 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2164 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2165 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2166 |
|
|
unsigned_word b;
|
| 2167 |
|
|
unsigned_word EA;
|
| 2168 |
|
|
if (RA_is_0) b = 0;
|
| 2169 |
|
|
else b = *rA;
|
| 2170 |
|
|
EA = b + *rB;
|
| 2171 |
|
|
STORE(EA, 2, SWAP_2(*rS));
|
| 2172 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0);
|
| 2173 |
|
|
|
| 2174 |
|
|
0.31,6.RS,11.RA,16.RB,21.662,31./:X:::Store Word Byte-Reversed Indexed
|
| 2175 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2176 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2177 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 2178 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2179 |
|
|
unsigned_word b;
|
| 2180 |
|
|
unsigned_word EA;
|
| 2181 |
|
|
if (RA_is_0) b = 0;
|
| 2182 |
|
|
else b = *rA;
|
| 2183 |
|
|
EA = b + *rB;
|
| 2184 |
|
|
STORE(EA, 4, SWAP_4(*rS));
|
| 2185 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0);
|
| 2186 |
|
|
|
| 2187 |
|
|
|
| 2188 |
|
|
#
|
| 2189 |
|
|
# I.3.3.5 Fixed-Point Load and Store Multiple Instrctions
|
| 2190 |
|
|
#
|
| 2191 |
|
|
|
| 2192 |
|
|
0.46,6.RT,11.RA,16.D:D:::Load Multiple Word
|
| 2193 |
|
|
unsigned_word EA;
|
| 2194 |
|
|
unsigned_word b;
|
| 2195 |
|
|
int r;
|
| 2196 |
|
|
if (RA_is_0) b = 0;
|
| 2197 |
|
|
else b = *rA;
|
| 2198 |
|
|
EA = b + EXTS(D);
|
| 2199 |
|
|
r = RT;
|
| 2200 |
|
|
if (RA >= r)
|
| 2201 |
|
|
program_interrupt(processor, cia,
|
| 2202 |
|
|
illegal_instruction_program_interrupt);
|
| 2203 |
|
|
if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT || (EA % 4 != 0))
|
| 2204 |
|
|
alignment_interrupt(processor, cia, EA);
|
| 2205 |
|
|
while (r <= 31) {
|
| 2206 |
|
|
GPR(r) = MEM(unsigned, EA, 4);
|
| 2207 |
|
|
r = r + 1;
|
| 2208 |
|
|
EA = EA + 4;
|
| 2209 |
|
|
}
|
| 2210 |
|
|
|
| 2211 |
|
|
0.47,6.RS,11.RA,16.D:D:::Store Multiple Word
|
| 2212 |
|
|
unsigned_word EA;
|
| 2213 |
|
|
unsigned_word b;
|
| 2214 |
|
|
int r;
|
| 2215 |
|
|
if (RA_is_0) b = 0;
|
| 2216 |
|
|
else b = *rA;
|
| 2217 |
|
|
EA = b + EXTS(D);
|
| 2218 |
|
|
if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT
|
| 2219 |
|
|
|| (EA % 4 != 0))
|
| 2220 |
|
|
alignment_interrupt(processor, cia, EA);
|
| 2221 |
|
|
r = RS;
|
| 2222 |
|
|
while (r <= 31) {
|
| 2223 |
|
|
STORE(EA, 4, GPR(r));
|
| 2224 |
|
|
r = r + 1;
|
| 2225 |
|
|
EA = EA + 4;
|
| 2226 |
|
|
}
|
| 2227 |
|
|
|
| 2228 |
|
|
|
| 2229 |
|
|
#
|
| 2230 |
|
|
# I.3.3.6 Fixed-Point Move Assist Instructions
|
| 2231 |
|
|
#
|
| 2232 |
|
|
|
| 2233 |
|
|
0.31,6.RT,11.RA,16.NB,21.597,31./:X:::Load String Word Immediate
|
| 2234 |
|
|
unsigned_word EA;
|
| 2235 |
|
|
int n;
|
| 2236 |
|
|
int r;
|
| 2237 |
|
|
int i;
|
| 2238 |
|
|
int nr;
|
| 2239 |
|
|
if (RA_is_0) EA = 0;
|
| 2240 |
|
|
else EA = *rA;
|
| 2241 |
|
|
if (NB == 0) n = 32;
|
| 2242 |
|
|
else n = NB;
|
| 2243 |
|
|
r = RT - 1;
|
| 2244 |
|
|
i = 32;
|
| 2245 |
|
|
nr = (n + 3) / 4;
|
| 2246 |
|
|
if ((RT + nr >= 32)
|
| 2247 |
|
|
? (RA >= RT || RA < (RT + nr) % 32)
|
| 2248 |
|
|
: (RA >= RT && RA < RT + nr))
|
| 2249 |
|
|
program_interrupt(processor, cia,
|
| 2250 |
|
|
illegal_instruction_program_interrupt);
|
| 2251 |
|
|
if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT)
|
| 2252 |
|
|
alignment_interrupt(processor, cia, EA);
|
| 2253 |
|
|
while (n > 0) {
|
| 2254 |
|
|
if (i == 32) {
|
| 2255 |
|
|
r = (r + 1) % 32;
|
| 2256 |
|
|
GPR(r) = 0;
|
| 2257 |
|
|
}
|
| 2258 |
|
|
GPR(r) |= INSERTED(MEM(unsigned, EA, 1), i, i+7);
|
| 2259 |
|
|
if (i == 64) i = 32;
|
| 2260 |
|
|
EA = EA + 1;
|
| 2261 |
|
|
n = n - 1;
|
| 2262 |
|
|
}
|
| 2263 |
|
|
|
| 2264 |
|
|
0.31,6.RT,11.RA,16.RB,21.533,31./:X:::Load String Word Indexed
|
| 2265 |
|
|
unsigned_word EA;
|
| 2266 |
|
|
unsigned_word b;
|
| 2267 |
|
|
int n;
|
| 2268 |
|
|
int r;
|
| 2269 |
|
|
int i;
|
| 2270 |
|
|
int nr;
|
| 2271 |
|
|
if (RA_is_0) b = 0;
|
| 2272 |
|
|
else b = *rA;
|
| 2273 |
|
|
EA = b + *rB;
|
| 2274 |
|
|
n = EXTRACTED32(XER, 25, 31);
|
| 2275 |
|
|
r = RT - 1;
|
| 2276 |
|
|
i = 32;
|
| 2277 |
|
|
nr = (n + 3) / 4;
|
| 2278 |
|
|
if (((RT + n >= 32)
|
| 2279 |
|
|
? ((RA >= RT || RA < (RT + n) % 32)
|
| 2280 |
|
|
|| (RB >= RT || RB < (RT + n) % 32))
|
| 2281 |
|
|
: ((RA >= RT && RA < RT + n)
|
| 2282 |
|
|
|| (RB >= RT && RB < RT + n)))
|
| 2283 |
|
|
|| (RT == RA || RT == RB))
|
| 2284 |
|
|
program_interrupt(processor, cia,
|
| 2285 |
|
|
illegal_instruction_program_interrupt);
|
| 2286 |
|
|
if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT)
|
| 2287 |
|
|
alignment_interrupt(processor, cia, EA);
|
| 2288 |
|
|
while (n > 0) {
|
| 2289 |
|
|
if (i == 32) {
|
| 2290 |
|
|
r = (r + 1) % 32;
|
| 2291 |
|
|
GPR(i) = 0;
|
| 2292 |
|
|
}
|
| 2293 |
|
|
GPR(r) |= INSERTED(MEM(unsigned, EA, 1), i, i+7);
|
| 2294 |
|
|
i = i + 8;
|
| 2295 |
|
|
if (i == 64) i = 32;
|
| 2296 |
|
|
EA = EA + 1;
|
| 2297 |
|
|
n = n - 1;
|
| 2298 |
|
|
}
|
| 2299 |
|
|
|
| 2300 |
|
|
0.31,6.RS,11.RA,16.NB,21.725,31./:X:::Store String Word Immedate
|
| 2301 |
|
|
unsigned_word EA;
|
| 2302 |
|
|
int n;
|
| 2303 |
|
|
int r;
|
| 2304 |
|
|
int i;
|
| 2305 |
|
|
if (RA_is_0) EA = 0;
|
| 2306 |
|
|
else EA = *rA;
|
| 2307 |
|
|
if (NB == 0) n = 32;
|
| 2308 |
|
|
else n = NB;
|
| 2309 |
|
|
r = RS - 1;
|
| 2310 |
|
|
i = 32;
|
| 2311 |
|
|
if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT)
|
| 2312 |
|
|
alignment_interrupt(processor, cia, EA);
|
| 2313 |
|
|
while (n > 0) {
|
| 2314 |
|
|
if (i == 32) r = (r + 1) % 32;
|
| 2315 |
|
|
STORE(EA, 1, EXTRACTED(GPR(r), i, i+7));
|
| 2316 |
|
|
i = i + 8;
|
| 2317 |
|
|
if (i == 64) i = 32;
|
| 2318 |
|
|
EA = EA + 1;
|
| 2319 |
|
|
n = n - 1;
|
| 2320 |
|
|
}
|
| 2321 |
|
|
|
| 2322 |
|
|
0.31,6.RS,11.RA,16.RB,21.661,31./:X:::Store String Word Indexed
|
| 2323 |
|
|
unsigned_word EA;
|
| 2324 |
|
|
unsigned_word b;
|
| 2325 |
|
|
int n;
|
| 2326 |
|
|
int r;
|
| 2327 |
|
|
int i;
|
| 2328 |
|
|
if (RA_is_0) b = 0;
|
| 2329 |
|
|
else b = *rA;
|
| 2330 |
|
|
EA = b + *rB;
|
| 2331 |
|
|
if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT)
|
| 2332 |
|
|
alignment_interrupt(processor, cia, EA);
|
| 2333 |
|
|
n = EXTRACTED32(XER, 25, 31);
|
| 2334 |
|
|
r = RS - 1;
|
| 2335 |
|
|
i = 32;
|
| 2336 |
|
|
while (n > 0) {
|
| 2337 |
|
|
if (i == 32) r = (r + 1) % 32;
|
| 2338 |
|
|
STORE(EA, 1, EXTRACTED(GPR(r), i, i+7));
|
| 2339 |
|
|
i = i + 8;
|
| 2340 |
|
|
if (i == 64) i = 32;
|
| 2341 |
|
|
EA = EA + 1;
|
| 2342 |
|
|
n = n - 1;
|
| 2343 |
|
|
}
|
| 2344 |
|
|
|
| 2345 |
|
|
|
| 2346 |
|
|
#
|
| 2347 |
|
|
# I.3.3.7 Storage Synchronization Instructions
|
| 2348 |
|
|
#
|
| 2349 |
|
|
# HACK: Rather than monitor addresses looking for a reason
|
| 2350 |
|
|
# to cancel a reservation. This code instead keeps
|
| 2351 |
|
|
# a copy of the data read from memory. Before performing
|
| 2352 |
|
|
# a store, the memory area is checked to see if it has
|
| 2353 |
|
|
# been changed.
|
| 2354 |
|
|
0.31,6.RT,11.RA,16.RB,21.20,31./:X:::Load Word And Reserve Indexed
|
| 2355 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0
|
| 2356 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0
|
| 2357 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0
|
| 2358 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 2359 |
|
|
unsigned_word b;
|
| 2360 |
|
|
unsigned_word EA;
|
| 2361 |
|
|
if (RA_is_0) b = 0;
|
| 2362 |
|
|
else b = *rA;
|
| 2363 |
|
|
EA = b + *rB;
|
| 2364 |
|
|
RESERVE = 1;
|
| 2365 |
|
|
RESERVE_ADDR = real_addr(EA, 1/*is-read?*/);
|
| 2366 |
|
|
RESERVE_DATA = MEM(unsigned, EA, 4);
|
| 2367 |
|
|
*rT = RESERVE_DATA;
|
| 2368 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 2369 |
|
|
|
| 2370 |
|
|
0.31,6.RT,11.RA,16.RB,21.84,31./:X:64::Load Doubleword And Reserve Indexed
|
| 2371 |
|
|
unsigned_word b;
|
| 2372 |
|
|
unsigned_word EA;
|
| 2373 |
|
|
if (RA_is_0) b = 0;
|
| 2374 |
|
|
else b = *rA;
|
| 2375 |
|
|
EA = b + *rB;
|
| 2376 |
|
|
RESERVE = 1;
|
| 2377 |
|
|
RESERVE_ADDR = real_addr(EA, 1/*is-read?*/);
|
| 2378 |
|
|
RESERVE_DATA = MEM(unsigned, EA, 8);
|
| 2379 |
|
|
*rT = RESERVE_DATA;
|
| 2380 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 2381 |
|
|
|
| 2382 |
|
|
0.31,6.RS,11.RA,16.RB,21.150,31.1:X:::Store Word Conditional Indexed
|
| 2383 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2384 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0
|
| 2385 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0
|
| 2386 |
|
|
*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 3, 0
|
| 2387 |
|
|
unsigned_word b;
|
| 2388 |
|
|
unsigned_word EA;
|
| 2389 |
|
|
if (RA_is_0) b = 0;
|
| 2390 |
|
|
else b = *rA;
|
| 2391 |
|
|
EA = b + *rB;
|
| 2392 |
|
|
if (RESERVE) {
|
| 2393 |
|
|
if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/)
|
| 2394 |
|
|
&& /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 4)) {
|
| 2395 |
|
|
STORE(EA, 4, *rS);
|
| 2396 |
|
|
CR_SET_XER_SO(0, cr_i_zero);
|
| 2397 |
|
|
}
|
| 2398 |
|
|
else {
|
| 2399 |
|
|
/* ment to randomly to store, we never do! */
|
| 2400 |
|
|
CR_SET_XER_SO(0, 0);
|
| 2401 |
|
|
}
|
| 2402 |
|
|
RESERVE = 0;
|
| 2403 |
|
|
}
|
| 2404 |
|
|
else {
|
| 2405 |
|
|
CR_SET_XER_SO(0, 0);
|
| 2406 |
|
|
}
|
| 2407 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/);
|
| 2408 |
|
|
|
| 2409 |
|
|
0.31,6.RS,11.RA,16.RB,21.214,31.1:X:64::Store Doubleword Conditional Indexed
|
| 2410 |
|
|
unsigned_word b;
|
| 2411 |
|
|
unsigned_word EA;
|
| 2412 |
|
|
if (RA_is_0) b = 0;
|
| 2413 |
|
|
else b = *rA;
|
| 2414 |
|
|
EA = b + *rB;
|
| 2415 |
|
|
if (RESERVE) {
|
| 2416 |
|
|
if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/)
|
| 2417 |
|
|
&& /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 8)) {
|
| 2418 |
|
|
STORE(EA, 8, *rS);
|
| 2419 |
|
|
CR_SET_XER_SO(0, cr_i_zero);
|
| 2420 |
|
|
}
|
| 2421 |
|
|
else {
|
| 2422 |
|
|
/* ment to randomly to store, we never do */
|
| 2423 |
|
|
CR_SET_XER_SO(0, 0);
|
| 2424 |
|
|
}
|
| 2425 |
|
|
RESERVE = 0;
|
| 2426 |
|
|
}
|
| 2427 |
|
|
else {
|
| 2428 |
|
|
CR_SET_XER_SO(0, 0);
|
| 2429 |
|
|
}
|
| 2430 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/);
|
| 2431 |
|
|
|
| 2432 |
|
|
0.31,6./,11./,16./,21.598,31./:X::sync:Synchronize
|
| 2433 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2434 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 2435 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 2436 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0
|
| 2437 |
|
|
/* do nothing */
|
| 2438 |
|
|
|
| 2439 |
|
|
|
| 2440 |
|
|
#
|
| 2441 |
|
|
# I.3.3.9 Fixed-Point Arithmetic Instructions
|
| 2442 |
|
|
#
|
| 2443 |
|
|
|
| 2444 |
|
|
0.14,6.RT,11.RA,16.SI:D:::Add Immediate
|
| 2445 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2446 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2447 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0
|
| 2448 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2449 |
|
|
if (RA_is_0) *rT = EXTS(SI);
|
| 2450 |
|
|
else *rT = *rA + EXTS(SI);
|
| 2451 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rT, (long)*rT));
|
| 2452 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 2453 |
|
|
|
| 2454 |
|
|
0.15,6.RT,11.RA,16.SI:D:::Add Immediate Shifted
|
| 2455 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2456 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2457 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0
|
| 2458 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2459 |
|
|
if (RA_is_0) *rT = EXTS(SI) << 16;
|
| 2460 |
|
|
else *rT = *rA + (EXTS(SI) << 16);
|
| 2461 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rT, (long)*rT));
|
| 2462 |
|
|
PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 2463 |
|
|
|
| 2464 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.266,31.Rc:XO:::Add
|
| 2465 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2466 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2467 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0
|
| 2468 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2469 |
|
|
ALU_BEGIN(*rA);
|
| 2470 |
|
|
ALU_ADD(*rB);
|
| 2471 |
|
|
ALU_END(*rT, 0/*CA*/, OE, Rc);
|
| 2472 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2473 |
|
|
|
| 2474 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.40,31.Rc:XO:::Subtract From
|
| 2475 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2476 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2477 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2478 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2479 |
|
|
ALU_BEGIN(*rA);
|
| 2480 |
|
|
ALU_NOT;
|
| 2481 |
|
|
ALU_ADD(*rB);
|
| 2482 |
|
|
ALU_ADD(1);
|
| 2483 |
|
|
ALU_END(*rT, 0/*CA*/, OE, Rc);
|
| 2484 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2485 |
|
|
|
| 2486 |
|
|
0.12,6.RT,11.RA,16.SI:D:::Add Immediate Carrying
|
| 2487 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2488 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2489 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2490 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2491 |
|
|
ALU_BEGIN(*rA);
|
| 2492 |
|
|
ALU_ADD(EXTS(SI));
|
| 2493 |
|
|
ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/);
|
| 2494 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/);
|
| 2495 |
|
|
|
| 2496 |
|
|
0.13,6.RT,11.RA,16.SI:D:::Add Immediate Carrying and Record
|
| 2497 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2498 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2499 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2500 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2501 |
|
|
ALU_BEGIN(*rA);
|
| 2502 |
|
|
ALU_ADD(EXTS(SI));
|
| 2503 |
|
|
ALU_END(*rT, 1/*CA*/, 0/*OE*/, 1/*Rc*/);
|
| 2504 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 1/*Rc*/);
|
| 2505 |
|
|
|
| 2506 |
|
|
0.8,6.RT,11.RA,16.SI:D:::Subtract From Immediate Carrying
|
| 2507 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2508 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2509 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2510 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2511 |
|
|
ALU_BEGIN(*rA);
|
| 2512 |
|
|
ALU_NOT;
|
| 2513 |
|
|
ALU_ADD(EXTS(SI));
|
| 2514 |
|
|
ALU_ADD(1);
|
| 2515 |
|
|
ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/);
|
| 2516 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/);
|
| 2517 |
|
|
|
| 2518 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.10,31.Rc:XO:::Add Carrying
|
| 2519 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2520 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2521 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2522 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2523 |
|
|
ALU_BEGIN(*rA);
|
| 2524 |
|
|
ALU_ADD(*rB);
|
| 2525 |
|
|
ALU_END(*rT, 1/*CA*/, OE, Rc);
|
| 2526 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2527 |
|
|
|
| 2528 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.8,31.Rc:XO:::Subtract From Carrying
|
| 2529 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2530 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2531 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2532 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2533 |
|
|
/* RT <- ~RA + RB + 1 === RT <- RB - RA */
|
| 2534 |
|
|
ALU_BEGIN(*rA);
|
| 2535 |
|
|
ALU_NOT;
|
| 2536 |
|
|
ALU_ADD(*rB);
|
| 2537 |
|
|
ALU_ADD(1);
|
| 2538 |
|
|
ALU_END(*rT, 1/*CA*/, OE, Rc);
|
| 2539 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2540 |
|
|
|
| 2541 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.138,31.Rc:XO:::Add Extended
|
| 2542 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2543 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2544 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2545 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2546 |
|
|
ALU_BEGIN(*rA);
|
| 2547 |
|
|
ALU_ADD(*rB);
|
| 2548 |
|
|
ALU_ADD_CA;
|
| 2549 |
|
|
ALU_END(*rT, 1/*CA*/, OE, Rc);
|
| 2550 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2551 |
|
|
|
| 2552 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.136,31.Rc:XO:::Subtract From Extended
|
| 2553 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2554 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2555 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2556 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2557 |
|
|
ALU_BEGIN(*rA);
|
| 2558 |
|
|
ALU_NOT;
|
| 2559 |
|
|
ALU_ADD(*rB);
|
| 2560 |
|
|
ALU_ADD_CA;
|
| 2561 |
|
|
ALU_END(*rT, 1/*CA*/, OE, Rc);
|
| 2562 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2563 |
|
|
|
| 2564 |
|
|
0.31,6.RT,11.RA,16./,21.OE,22.234,31.Rc:XO:::Add to Minus One Extended
|
| 2565 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2566 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2567 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2568 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2569 |
|
|
ALU_BEGIN(*rA);
|
| 2570 |
|
|
ALU_ADD_CA;
|
| 2571 |
|
|
ALU_ADD(-1);
|
| 2572 |
|
|
ALU_END(*rT, 1/*CA*/, OE, Rc);
|
| 2573 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc);
|
| 2574 |
|
|
|
| 2575 |
|
|
0.31,6.RT,11.RA,16./,21.OE,22.232,31.Rc:XO:::Subtract From Minus One Extended
|
| 2576 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2577 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2578 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2579 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2580 |
|
|
ALU_BEGIN(*rA);
|
| 2581 |
|
|
ALU_NOT;
|
| 2582 |
|
|
ALU_ADD_CA;
|
| 2583 |
|
|
ALU_ADD(-1);
|
| 2584 |
|
|
ALU_END(*rT, 1/*CA*/, OE, Rc);
|
| 2585 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc);
|
| 2586 |
|
|
|
| 2587 |
|
|
0.31,6.RT,11.RA,16./,21.OE,22.202,31.Rc:XO::addze:Add to Zero Extended
|
| 2588 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2589 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2590 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2591 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2592 |
|
|
ALU_BEGIN(*rA);
|
| 2593 |
|
|
ALU_ADD_CA;
|
| 2594 |
|
|
ALU_END(*rT, 1/*CA*/, OE, Rc);
|
| 2595 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc);
|
| 2596 |
|
|
|
| 2597 |
|
|
0.31,6.RT,11.RA,16./,21.OE,22.200,31.Rc:XO:::Subtract from Zero Extended
|
| 2598 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2599 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2600 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2601 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2602 |
|
|
ALU_BEGIN(*rA);
|
| 2603 |
|
|
ALU_NOT;
|
| 2604 |
|
|
ALU_ADD_CA;
|
| 2605 |
|
|
ALU_END(*rT, 1/*CA*/, OE, Rc);
|
| 2606 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc);
|
| 2607 |
|
|
|
| 2608 |
|
|
0.31,6.RT,11.RA,16./,21.OE,22.104,31.Rc:XO:::Negate
|
| 2609 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2610 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2611 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2612 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2613 |
|
|
ALU_BEGIN(*rA);
|
| 2614 |
|
|
ALU_NOT;
|
| 2615 |
|
|
ALU_ADD(1);
|
| 2616 |
|
|
ALU_END(*rT,0/*CA*/,OE,Rc);
|
| 2617 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc);
|
| 2618 |
|
|
|
| 2619 |
|
|
0.7,6.RT,11.RA,16.SI:D::mulli:Multiply Low Immediate
|
| 2620 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0
|
| 2621 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 2622 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 2623 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0
|
| 2624 |
|
|
signed_word prod = *rA * EXTS(SI);
|
| 2625 |
|
|
*rT = prod;
|
| 2626 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/);
|
| 2627 |
|
|
|
| 2628 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.233,31.Rc:D:64::Multiply Low Doubleword
|
| 2629 |
|
|
|
| 2630 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.235,31.Rc:XO::mullw:Multiply Low Word
|
| 2631 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0
|
| 2632 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0
|
| 2633 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0
|
| 2634 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0
|
| 2635 |
|
|
signed64 a = (signed32)(*rA);
|
| 2636 |
|
|
signed64 b = (signed32)(*rB);
|
| 2637 |
|
|
signed64 prod = a * b;
|
| 2638 |
|
|
signed_word t = prod;
|
| 2639 |
|
|
*rT = *rA * *rB;
|
| 2640 |
|
|
if (t != prod && OE)
|
| 2641 |
|
|
XER |= (xer_overflow | xer_summary_overflow);
|
| 2642 |
|
|
CR0_COMPARE(t, 0, Rc);
|
| 2643 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2644 |
|
|
|
| 2645 |
|
|
0.31,6.RT,11.RA,16.RB,21./,22.73,31.Rc:XO:64::Multiply High Doubleword
|
| 2646 |
|
|
|
| 2647 |
|
|
0.31,6.RT,11.RA,16.RB,21./,22.75,31.Rc:XO::mulhw:Multiply High Word
|
| 2648 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0
|
| 2649 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0
|
| 2650 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0
|
| 2651 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0
|
| 2652 |
|
|
signed64 a = (signed32)(*rA);
|
| 2653 |
|
|
signed64 b = (signed32)(*rB);
|
| 2654 |
|
|
signed64 prod = a * b;
|
| 2655 |
|
|
signed_word t = EXTRACTED64(prod, 0, 31);
|
| 2656 |
|
|
*rT = t;
|
| 2657 |
|
|
CR0_COMPARE(t, 0, Rc);
|
| 2658 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2659 |
|
|
|
| 2660 |
|
|
0.31,6.RT,11.RA,16.RB,21./,22.9,31.Rc:XO:64::Multiply High Doubleword Unsigned
|
| 2661 |
|
|
|
| 2662 |
|
|
0.31,6.RT,11.RA,16.RB,21./,22.11,31.Rc:XO::mulhwu:Multiply High Word Unsigned
|
| 2663 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 10, 10, 0
|
| 2664 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0
|
| 2665 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0
|
| 2666 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0
|
| 2667 |
|
|
unsigned64 a = (unsigned32)(*rA);
|
| 2668 |
|
|
unsigned64 b = (unsigned32)(*rB);
|
| 2669 |
|
|
unsigned64 prod = a * b;
|
| 2670 |
|
|
signed_word t = EXTRACTED64(prod, 0, 31);
|
| 2671 |
|
|
*rT = t;
|
| 2672 |
|
|
CR0_COMPARE(t, 0, Rc);
|
| 2673 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2674 |
|
|
|
| 2675 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.489,31.Rc:XO:64::Divide Doubleword
|
| 2676 |
|
|
|
| 2677 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.491,31.Rc:XO::divw:Divide Word
|
| 2678 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0
|
| 2679 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0
|
| 2680 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0
|
| 2681 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0
|
| 2682 |
|
|
signed64 dividend = (signed32)(*rA);
|
| 2683 |
|
|
signed64 divisor = (signed32)(*rB);
|
| 2684 |
|
|
if (divisor == 0 /* nb 0x8000..0 is sign extended */
|
| 2685 |
|
|
|| (dividend == 0x80000000 && divisor == -1)) {
|
| 2686 |
|
|
if (OE)
|
| 2687 |
|
|
XER |= (xer_overflow | xer_summary_overflow);
|
| 2688 |
|
|
CR0_COMPARE(0, 0, Rc);
|
| 2689 |
|
|
}
|
| 2690 |
|
|
else {
|
| 2691 |
|
|
signed64 quotent = dividend / divisor;
|
| 2692 |
|
|
*rT = quotent;
|
| 2693 |
|
|
CR0_COMPARE((signed_word)quotent, 0, Rc);
|
| 2694 |
|
|
}
|
| 2695 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2696 |
|
|
|
| 2697 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.457,31.Rc:XO:64::Divide Doubleword Unsigned
|
| 2698 |
|
|
|
| 2699 |
|
|
0.31,6.RT,11.RA,16.RB,21.OE,22.459,31.Rc:XO::divwu:Divide Word Unsigned
|
| 2700 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0
|
| 2701 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0
|
| 2702 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0
|
| 2703 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0
|
| 2704 |
|
|
unsigned64 dividend = (unsigned32)(*rA);
|
| 2705 |
|
|
unsigned64 divisor = (unsigned32)(*rB);
|
| 2706 |
|
|
if (divisor == 0) {
|
| 2707 |
|
|
if (OE)
|
| 2708 |
|
|
XER |= (xer_overflow | xer_summary_overflow);
|
| 2709 |
|
|
CR0_COMPARE(0, 0, Rc);
|
| 2710 |
|
|
}
|
| 2711 |
|
|
else {
|
| 2712 |
|
|
unsigned64 quotent = dividend / divisor;
|
| 2713 |
|
|
*rT = quotent;
|
| 2714 |
|
|
CR0_COMPARE((signed_word)quotent, 0, Rc);
|
| 2715 |
|
|
}
|
| 2716 |
|
|
PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc);
|
| 2717 |
|
|
|
| 2718 |
|
|
|
| 2719 |
|
|
#
|
| 2720 |
|
|
# I.3.3.10 Fixed-Point Compare Instructions
|
| 2721 |
|
|
#
|
| 2722 |
|
|
|
| 2723 |
|
|
0.11,6.BF,9./,10.L,11.RA,16.SI:D:::Compare Immediate
|
| 2724 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2725 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2726 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0
|
| 2727 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2728 |
|
|
if (!is_64bit_mode && L)
|
| 2729 |
|
|
program_interrupt(processor, cia,
|
| 2730 |
|
|
illegal_instruction_program_interrupt);
|
| 2731 |
|
|
else {
|
| 2732 |
|
|
signed_word a;
|
| 2733 |
|
|
signed_word b = EXTS(SI);
|
| 2734 |
|
|
if (L == 0)
|
| 2735 |
|
|
a = EXTENDED(*rA);
|
| 2736 |
|
|
else
|
| 2737 |
|
|
a = *rA;
|
| 2738 |
|
|
CR_COMPARE(BF, a, b);
|
| 2739 |
|
|
}
|
| 2740 |
|
|
PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK);
|
| 2741 |
|
|
|
| 2742 |
|
|
0.31,6.BF,9./,10.L,11.RA,16.RB,21.0,31./:X:::Compare
|
| 2743 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2744 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2745 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0
|
| 2746 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2747 |
|
|
if (!is_64bit_mode && L)
|
| 2748 |
|
|
program_interrupt(processor, cia,
|
| 2749 |
|
|
illegal_instruction_program_interrupt);
|
| 2750 |
|
|
else {
|
| 2751 |
|
|
signed_word a;
|
| 2752 |
|
|
signed_word b;
|
| 2753 |
|
|
if (L == 0) {
|
| 2754 |
|
|
a = EXTENDED(*rA);
|
| 2755 |
|
|
b = EXTENDED(*rB);
|
| 2756 |
|
|
}
|
| 2757 |
|
|
else {
|
| 2758 |
|
|
a = *rA;
|
| 2759 |
|
|
b = *rB;
|
| 2760 |
|
|
}
|
| 2761 |
|
|
CR_COMPARE(BF, a, b);
|
| 2762 |
|
|
}
|
| 2763 |
|
|
PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK);
|
| 2764 |
|
|
|
| 2765 |
|
|
0.10,6.BF,9./,10.L,11.RA,16.UI:D:::Compare Logical Immediate
|
| 2766 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2767 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2768 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0
|
| 2769 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2770 |
|
|
if (!is_64bit_mode && L)
|
| 2771 |
|
|
program_interrupt(processor, cia,
|
| 2772 |
|
|
illegal_instruction_program_interrupt);
|
| 2773 |
|
|
else {
|
| 2774 |
|
|
unsigned_word a;
|
| 2775 |
|
|
unsigned_word b = UI;
|
| 2776 |
|
|
if (L == 0)
|
| 2777 |
|
|
a = MASKED(*rA, 32, 63);
|
| 2778 |
|
|
else
|
| 2779 |
|
|
a = *rA;
|
| 2780 |
|
|
CR_COMPARE(BF, a, b);
|
| 2781 |
|
|
}
|
| 2782 |
|
|
PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK);
|
| 2783 |
|
|
|
| 2784 |
|
|
0.31,6.BF,9./,10.L,11.RA,16.RB,21.32,31./:X:::Compare Logical
|
| 2785 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2786 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2787 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0
|
| 2788 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2789 |
|
|
if (!is_64bit_mode && L)
|
| 2790 |
|
|
program_interrupt(processor, cia,
|
| 2791 |
|
|
illegal_instruction_program_interrupt);
|
| 2792 |
|
|
else {
|
| 2793 |
|
|
unsigned_word a;
|
| 2794 |
|
|
unsigned_word b;
|
| 2795 |
|
|
if (L == 0) {
|
| 2796 |
|
|
a = MASKED(*rA, 32, 63);
|
| 2797 |
|
|
b = MASKED(*rB, 32, 63);
|
| 2798 |
|
|
}
|
| 2799 |
|
|
else {
|
| 2800 |
|
|
a = *rA;
|
| 2801 |
|
|
b = *rB;
|
| 2802 |
|
|
}
|
| 2803 |
|
|
CR_COMPARE(BF, a, b);
|
| 2804 |
|
|
}
|
| 2805 |
|
|
PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK);
|
| 2806 |
|
|
|
| 2807 |
|
|
|
| 2808 |
|
|
#
|
| 2809 |
|
|
# I.3.3.11 Fixed-Point Trap Instructions
|
| 2810 |
|
|
#
|
| 2811 |
|
|
|
| 2812 |
|
|
0.2,6.TO,11.RA,16.SI:D:64::Trap Doubleword Immediate
|
| 2813 |
|
|
if (!is_64bit_mode)
|
| 2814 |
|
|
program_interrupt(processor, cia,
|
| 2815 |
|
|
illegal_instruction_program_interrupt);
|
| 2816 |
|
|
else {
|
| 2817 |
|
|
signed_word a = *rA;
|
| 2818 |
|
|
signed_word b = EXTS(SI);
|
| 2819 |
|
|
if ((a < b && TO{0})
|
| 2820 |
|
|
|| (a > b && TO{1})
|
| 2821 |
|
|
|| (a == b && TO{2})
|
| 2822 |
|
|
|| ((unsigned_word)a < (unsigned_word)b && TO{3})
|
| 2823 |
|
|
|| ((unsigned_word)a > (unsigned_word)b && TO{4})
|
| 2824 |
|
|
)
|
| 2825 |
|
|
program_interrupt(processor, cia,
|
| 2826 |
|
|
trap_program_interrupt);
|
| 2827 |
|
|
}
|
| 2828 |
|
|
|
| 2829 |
|
|
0.3,6.TO,11.RA,16.SI:D:::Trap Word Immediate
|
| 2830 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2831 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0
|
| 2832 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0
|
| 2833 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2834 |
|
|
signed_word a = EXTENDED(*rA);
|
| 2835 |
|
|
signed_word b = EXTS(SI);
|
| 2836 |
|
|
if ((a < b && TO{0})
|
| 2837 |
|
|
|| (a > b && TO{1})
|
| 2838 |
|
|
|| (a == b && TO{2})
|
| 2839 |
|
|
|| ((unsigned_word)a < (unsigned_word)b && TO{3})
|
| 2840 |
|
|
|| ((unsigned_word)a > (unsigned_word)b && TO{4})
|
| 2841 |
|
|
)
|
| 2842 |
|
|
program_interrupt(processor, cia,
|
| 2843 |
|
|
trap_program_interrupt);
|
| 2844 |
|
|
|
| 2845 |
|
|
0.31,6.TO,11.RA,16.RB,21.68,31./:X:64::Trap Doubleword
|
| 2846 |
|
|
if (!is_64bit_mode)
|
| 2847 |
|
|
program_interrupt(processor, cia,
|
| 2848 |
|
|
illegal_instruction_program_interrupt);
|
| 2849 |
|
|
else {
|
| 2850 |
|
|
signed_word a = *rA;
|
| 2851 |
|
|
signed_word b = *rB;
|
| 2852 |
|
|
if ((a < b && TO{0})
|
| 2853 |
|
|
|| (a > b && TO{1})
|
| 2854 |
|
|
|| (a == b && TO{2})
|
| 2855 |
|
|
|| ((unsigned_word)a < (unsigned_word)b && TO{3})
|
| 2856 |
|
|
|| ((unsigned_word)a > (unsigned_word)b && TO{4})
|
| 2857 |
|
|
)
|
| 2858 |
|
|
program_interrupt(processor, cia,
|
| 2859 |
|
|
trap_program_interrupt);
|
| 2860 |
|
|
}
|
| 2861 |
|
|
|
| 2862 |
|
|
0.31,6.TO,11.RA,16.RB,21.4,31./:X:::Trap Word
|
| 2863 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2864 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0
|
| 2865 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0
|
| 2866 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2867 |
|
|
signed_word a = EXTENDED(*rA);
|
| 2868 |
|
|
signed_word b = EXTENDED(*rB);
|
| 2869 |
|
|
if (TO == 12 && rA == rB) {
|
| 2870 |
|
|
ITRACE(trace_breakpoint, ("breakpoint\n"));
|
| 2871 |
|
|
cpu_halt(processor, cia, was_trap, 0);
|
| 2872 |
|
|
}
|
| 2873 |
|
|
else if ((a < b && TO{0})
|
| 2874 |
|
|
|| (a > b && TO{1})
|
| 2875 |
|
|
|| (a == b && TO{2})
|
| 2876 |
|
|
|| ((unsigned_word)a < (unsigned_word)b && TO{3})
|
| 2877 |
|
|
|| ((unsigned_word)a > (unsigned_word)b && TO{4})
|
| 2878 |
|
|
)
|
| 2879 |
|
|
program_interrupt(processor, cia,
|
| 2880 |
|
|
trap_program_interrupt);
|
| 2881 |
|
|
|
| 2882 |
|
|
#
|
| 2883 |
|
|
# I.3.3.12 Fixed-Point Logical Instructions
|
| 2884 |
|
|
#
|
| 2885 |
|
|
|
| 2886 |
|
|
0.28,6.RS,11.RA,16.UI:D:::AND Immediate
|
| 2887 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2888 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2889 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2890 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2891 |
|
|
*rA = *rS & UI;
|
| 2892 |
|
|
CR0_COMPARE(*rA, 0, 1/*Rc*/);
|
| 2893 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2894 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/);
|
| 2895 |
|
|
|
| 2896 |
|
|
0.29,6.RS,11.RA,16.UI:D:::AND Immediate Shifted
|
| 2897 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2898 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2899 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2900 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2901 |
|
|
*rA = *rS & (UI << 16);
|
| 2902 |
|
|
CR0_COMPARE(*rA, 0, 1/*Rc*/);
|
| 2903 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2904 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/);
|
| 2905 |
|
|
|
| 2906 |
|
|
0.24,6.RS,11.RA,16.UI:D:::OR Immediate
|
| 2907 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2908 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2909 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2910 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2911 |
|
|
*rA = *rS | UI;
|
| 2912 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2913 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/);
|
| 2914 |
|
|
|
| 2915 |
|
|
0.25,6.RS,11.RA,16.UI:D:::OR Immediate Shifted
|
| 2916 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2917 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2918 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2919 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2920 |
|
|
*rA = *rS | (UI << 16);
|
| 2921 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2922 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/);
|
| 2923 |
|
|
|
| 2924 |
|
|
0.26,6.RS,11.RA,16.UI:D:::XOR Immediate
|
| 2925 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2926 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2927 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2928 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2929 |
|
|
*rA = *rS ^ UI;
|
| 2930 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2931 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/);
|
| 2932 |
|
|
|
| 2933 |
|
|
0.27,6.RS,11.RA,16.UI:D:::XOR Immediate Shifted
|
| 2934 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2935 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2936 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2937 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2938 |
|
|
*rA = *rS ^ (UI << 16);
|
| 2939 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2940 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/);
|
| 2941 |
|
|
|
| 2942 |
|
|
0.31,6.RS,11.RA,16.RB,21.28,31.Rc:X:::AND
|
| 2943 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2944 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2945 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2946 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2947 |
|
|
*rA = *rS & *rB;
|
| 2948 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 2949 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2950 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc);
|
| 2951 |
|
|
|
| 2952 |
|
|
0.31,6.RS,11.RA,16.RB,21.444,31.Rc:X:::OR
|
| 2953 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2954 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2955 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2956 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2957 |
|
|
*rA = *rS | *rB;
|
| 2958 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 2959 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2960 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc);
|
| 2961 |
|
|
|
| 2962 |
|
|
0.31,6.RS,11.RA,16.RB,21.316,31.Rc:X:::XOR
|
| 2963 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2964 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2965 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2966 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2967 |
|
|
*rA = *rS ^ *rB;
|
| 2968 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 2969 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2970 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc);
|
| 2971 |
|
|
|
| 2972 |
|
|
0.31,6.RS,11.RA,16.RB,21.476,31.Rc:X:::NAND
|
| 2973 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2974 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2975 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2976 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2977 |
|
|
*rA = ~(*rS & *rB);
|
| 2978 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 2979 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2980 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc);
|
| 2981 |
|
|
|
| 2982 |
|
|
0.31,6.RS,11.RA,16.RB,21.124,31.Rc:X:::NOR
|
| 2983 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2984 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2985 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2986 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2987 |
|
|
*rA = ~(*rS | *rB);
|
| 2988 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 2989 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 2990 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc);
|
| 2991 |
|
|
|
| 2992 |
|
|
0.31,6.RS,11.RA,16.RB,21.284,31.Rc:X:::Equivalent
|
| 2993 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2994 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2995 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 2996 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 2997 |
|
|
*rA = ~(*rS ^ *rB); /* A === B */
|
| 2998 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 2999 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 3000 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc);
|
| 3001 |
|
|
|
| 3002 |
|
|
0.31,6.RS,11.RA,16.RB,21.60,31.Rc:X:::AND with Complement
|
| 3003 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3004 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3005 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3006 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3007 |
|
|
*rA = *rS & ~*rB;
|
| 3008 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 3009 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 3010 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc);
|
| 3011 |
|
|
|
| 3012 |
|
|
0.31,6.RS,11.RA,16.RB,21.412,31.Rc:X:::OR with Complement
|
| 3013 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3014 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3015 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3016 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3017 |
|
|
*rA = *rS | ~*rB;
|
| 3018 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 3019 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 3020 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc);
|
| 3021 |
|
|
|
| 3022 |
|
|
0.31,6.RS,11.RA,16./,21.954,31.Rc:X::extsb:Extend Sign Byte
|
| 3023 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3024 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3025 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3026 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3027 |
|
|
*rA = (signed_word)(signed8)*rS;
|
| 3028 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 3029 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 3030 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc);
|
| 3031 |
|
|
|
| 3032 |
|
|
0.31,6.RS,11.RA,16./,21.922,31.Rc:X::extsh:Extend Sign Half Word
|
| 3033 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3034 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3035 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3036 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3037 |
|
|
*rA = (signed_word)(signed16)*rS;
|
| 3038 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 3039 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 3040 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc);
|
| 3041 |
|
|
|
| 3042 |
|
|
0.31,6.RS,11.RA,16./,21.986,31.Rc:X:64::Extend Sign Word
|
| 3043 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3044 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3045 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3046 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3047 |
|
|
# *rA = (signed_word)(signed32)*rS;
|
| 3048 |
|
|
# CR0_COMPARE(*rA, 0, Rc);
|
| 3049 |
|
|
|
| 3050 |
|
|
0.31,6.RS,11.RA,16./,21.58,31.Rc:X:64::Count Leading Zeros Doubleword
|
| 3051 |
|
|
# int count = 0;
|
| 3052 |
|
|
# unsigned64 mask = BIT64(0);
|
| 3053 |
|
|
# unsigned64 source = *rS;
|
| 3054 |
|
|
# while (!(source & mask) && mask != 0) {
|
| 3055 |
|
|
# mask >>= 1;
|
| 3056 |
|
|
# count++;
|
| 3057 |
|
|
# }
|
| 3058 |
|
|
# *rA = count;
|
| 3059 |
|
|
# CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */
|
| 3060 |
|
|
|
| 3061 |
|
|
0.31,6.RS,11.RA,16./,21.26,31.Rc:X:::Count Leading Zeros Word
|
| 3062 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3063 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3064 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3065 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3066 |
|
|
int count = 0;
|
| 3067 |
|
|
unsigned32 mask = BIT32(0);
|
| 3068 |
|
|
unsigned32 source = *rS;
|
| 3069 |
|
|
while (!(source & mask) && mask != 0) {
|
| 3070 |
|
|
mask >>= 1;
|
| 3071 |
|
|
count++;
|
| 3072 |
|
|
}
|
| 3073 |
|
|
*rA = count;
|
| 3074 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 3075 |
|
|
CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */
|
| 3076 |
|
|
|
| 3077 |
|
|
|
| 3078 |
|
|
#
|
| 3079 |
|
|
# I.3.3.13 Fixed-Point Rotate and Shift Instructions
|
| 3080 |
|
|
#
|
| 3081 |
|
|
|
| 3082 |
|
|
0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.0,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Left
|
| 3083 |
|
|
# long n = (sh_5 << 4) | sh_0_4;
|
| 3084 |
|
|
# unsigned_word r = ROTL64(*rS, n);
|
| 3085 |
|
|
# long b = (mb_5 << 4) | mb_0_4;
|
| 3086 |
|
|
# unsigned_word m = MASK(b, 63);
|
| 3087 |
|
|
# signed_word result = r & m;
|
| 3088 |
|
|
# *rA = result;
|
| 3089 |
|
|
# ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA));
|
| 3090 |
|
|
# CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */
|
| 3091 |
|
|
|
| 3092 |
|
|
0.30,6.RS,11.RA,16.sh_0_4,21.me,27.1,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Right
|
| 3093 |
|
|
# long n = (sh_5 << 4) | sh_0_4;
|
| 3094 |
|
|
# unsigned_word r = ROTL64(*rS, n);
|
| 3095 |
|
|
# long e = (me_5 << 4) | me_0_4;
|
| 3096 |
|
|
# unsigned_word m = MASK(0, e);
|
| 3097 |
|
|
# signed_word result = r & m;
|
| 3098 |
|
|
# *rA = result;
|
| 3099 |
|
|
# CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */
|
| 3100 |
|
|
|
| 3101 |
|
|
0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.2,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear
|
| 3102 |
|
|
# long n = (sh_5 << 4) | sh_0_4;
|
| 3103 |
|
|
# unsigned_word r = ROTL64(*rS, n);
|
| 3104 |
|
|
# long b = (mb_5 << 4) | mb_0_4;
|
| 3105 |
|
|
# unsigned_word m = MASK(0, (64-n));
|
| 3106 |
|
|
# signed_word result = r & m;
|
| 3107 |
|
|
# *rA = result;
|
| 3108 |
|
|
# CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */
|
| 3109 |
|
|
|
| 3110 |
|
|
0.21,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M:::Rotate Left Word Immediate then AND with Mask
|
| 3111 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3112 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3113 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3114 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3115 |
|
|
long n = SH;
|
| 3116 |
|
|
unsigned32 s = *rS;
|
| 3117 |
|
|
unsigned32 r = ROTL32(s, n);
|
| 3118 |
|
|
unsigned32 m = MASK(MB+32, ME+32);
|
| 3119 |
|
|
signed_word result = r & m;
|
| 3120 |
|
|
*rA = result;
|
| 3121 |
|
|
CR0_COMPARE(result, 0, Rc);
|
| 3122 |
|
|
ITRACE(trace_alu,
|
| 3123 |
|
|
("n=%ld, s=0x%lx, r=0x%lx, m=0x%lx, result=0x%lx, cr=0x%lx\n",
|
| 3124 |
|
|
n, (unsigned long)s, (unsigned long)r, (unsigned long)m,
|
| 3125 |
|
|
(unsigned long)result, (unsigned long)CR));
|
| 3126 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc);
|
| 3127 |
|
|
|
| 3128 |
|
|
0.30,6.RS,11.RA,16.RB,21.mb,27.8,31.Rc:MDS:64::Rotate Left Doubleword then Clear Left
|
| 3129 |
|
|
# long n = MASKED(*rB, 58, 63);
|
| 3130 |
|
|
# unsigned_word r = ROTL64(*rS, n);
|
| 3131 |
|
|
# long b = (mb_5 << 4) | mb_0_4;
|
| 3132 |
|
|
# unsigned_word m = MASK(b, 63);
|
| 3133 |
|
|
# signed_word result = r & m;
|
| 3134 |
|
|
# *rA = result;
|
| 3135 |
|
|
# CR0_COMPARE(result, 0, Rc);
|
| 3136 |
|
|
|
| 3137 |
|
|
0.30,6.RS,11.RA,16.RB,21.me,27.9,31.Rc:MDS:64::Rotate Left Doubleword then Clear Right
|
| 3138 |
|
|
# long n = MASKED(*rB, 58, 63);
|
| 3139 |
|
|
# unsigned_word r = ROTL64(*rS, n);
|
| 3140 |
|
|
# long e = (me_5 << 4) | me_0_4;
|
| 3141 |
|
|
# unsigned_word m = MASK(0, e);
|
| 3142 |
|
|
# signed_word result = r & m;
|
| 3143 |
|
|
# *rA = result;
|
| 3144 |
|
|
# CR0_COMPARE(result, 0, Rc);
|
| 3145 |
|
|
|
| 3146 |
|
|
0.23,6.RS,11.RA,16.RB,21.MB,26.ME,31.Rc:M:::Rotate Left Word then AND with Mask
|
| 3147 |
|
|
long n = MASKED(*rB, 59, 63);
|
| 3148 |
|
|
unsigned32 r = ROTL32(*rS, n);
|
| 3149 |
|
|
unsigned32 m = MASK(MB+32, ME+32);
|
| 3150 |
|
|
signed_word result = r & m;
|
| 3151 |
|
|
*rA = result;
|
| 3152 |
|
|
CR0_COMPARE(result, 0, Rc);
|
| 3153 |
|
|
|
| 3154 |
|
|
0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.3,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Mask Insert
|
| 3155 |
|
|
# long n = (sh_5 << 4) | sh_0_4;
|
| 3156 |
|
|
# unsigned_word r = ROTL64(*rS, n);
|
| 3157 |
|
|
# long b = (mb_5 << 4) | mb_0_4;
|
| 3158 |
|
|
# unsigned_word m = MASK(b, (64-n));
|
| 3159 |
|
|
# signed_word result = (r & m) | (*rA & ~m)
|
| 3160 |
|
|
# *rA = result;
|
| 3161 |
|
|
# CR0_COMPARE(result, 0, Rc);
|
| 3162 |
|
|
|
| 3163 |
|
|
0.20,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M::rlwimi:Rotate Left Word Immediate then Mask Insert
|
| 3164 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3165 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3166 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3167 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3168 |
|
|
long n = SH;
|
| 3169 |
|
|
unsigned32 r = ROTL32(*rS, n);
|
| 3170 |
|
|
unsigned32 m = MASK(MB+32, ME+32);
|
| 3171 |
|
|
signed_word result = (r & m) | (*rA & ~m);
|
| 3172 |
|
|
*rA = result;
|
| 3173 |
|
|
ITRACE(trace_alu, (": n=%ld *rS=0x%lx r=0x%lx m=0x%lx result=0x%lx\n",
|
| 3174 |
|
|
n, (unsigned long)*rS, (unsigned long)r, (unsigned long)m,
|
| 3175 |
|
|
(unsigned long)result));
|
| 3176 |
|
|
CR0_COMPARE(result, 0, Rc);
|
| 3177 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc);
|
| 3178 |
|
|
|
| 3179 |
|
|
|
| 3180 |
|
|
0.31,6.RS,11.RA,16.RB,21.27,31.Rc:X:64::Shift Left Doubleword
|
| 3181 |
|
|
|
| 3182 |
|
|
0.31,6.RS,11.RA,16.RB,21.24,31.Rc:X:::Shift Left Word
|
| 3183 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3184 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3185 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3186 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3187 |
|
|
int n = MASKED(*rB, 58, 63);
|
| 3188 |
|
|
unsigned32 source = *rS;
|
| 3189 |
|
|
signed_word shifted;
|
| 3190 |
|
|
if (n < 32)
|
| 3191 |
|
|
shifted = (source << n);
|
| 3192 |
|
|
else
|
| 3193 |
|
|
shifted = 0;
|
| 3194 |
|
|
*rA = shifted;
|
| 3195 |
|
|
CR0_COMPARE(shifted, 0, Rc);
|
| 3196 |
|
|
ITRACE(trace_alu,
|
| 3197 |
|
|
("n=%d, source=0x%lx, shifted=0x%lx\n",
|
| 3198 |
|
|
n, (unsigned long)source, (unsigned long)shifted));
|
| 3199 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc);
|
| 3200 |
|
|
|
| 3201 |
|
|
0.31,6.RS,11.RA,16.RB,21.539,31.Rc:X:64::Shift Right Doubleword
|
| 3202 |
|
|
|
| 3203 |
|
|
0.31,6.RS,11.RA,16.RB,21.536,31.Rc:X:::Shift Right Word
|
| 3204 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3205 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3206 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3207 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3208 |
|
|
int n = MASKED(*rB, 58, 63);
|
| 3209 |
|
|
unsigned32 source = *rS;
|
| 3210 |
|
|
signed_word shifted;
|
| 3211 |
|
|
if (n < 32)
|
| 3212 |
|
|
shifted = (source >> n);
|
| 3213 |
|
|
else
|
| 3214 |
|
|
shifted = 0;
|
| 3215 |
|
|
*rA = shifted;
|
| 3216 |
|
|
CR0_COMPARE(shifted, 0, Rc);
|
| 3217 |
|
|
ITRACE(trace_alu, \
|
| 3218 |
|
|
("n=%d, source=0x%lx, shifted=0x%lx\n",
|
| 3219 |
|
|
n, (unsigned long)source, (unsigned long)shifted));
|
| 3220 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc);
|
| 3221 |
|
|
|
| 3222 |
|
|
0.31,6.RS,11.RA,16.sh_0_4,21.413,30.sh_5,31.Rc:XS:64::Shift Right Algebraic Doubleword Immediate
|
| 3223 |
|
|
|
| 3224 |
|
|
0.31,6.RS,11.RA,16.SH,21.824,31.Rc:X:::Shift Right Algebraic Word Immediate
|
| 3225 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3226 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3227 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3228 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3229 |
|
|
int n = SH;
|
| 3230 |
|
|
signed_word r = ROTL32(*rS, /*64*/32-n);
|
| 3231 |
|
|
signed_word m = MASK(n+32, 63);
|
| 3232 |
|
|
int S = MASKED(*rS, 32, 32);
|
| 3233 |
|
|
signed_word shifted = (r & m) | (S ? ~m : 0);
|
| 3234 |
|
|
*rA = shifted;
|
| 3235 |
|
|
if (S && ((r & ~m) & MASK(32, 63)) != 0)
|
| 3236 |
|
|
XER |= xer_carry;
|
| 3237 |
|
|
else
|
| 3238 |
|
|
XER &= ~xer_carry;
|
| 3239 |
|
|
CR0_COMPARE(shifted, 0, Rc);
|
| 3240 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx), XER = %ld\n",
|
| 3241 |
|
|
(long)*rA, (long)*rA, (long)XER));
|
| 3242 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc);
|
| 3243 |
|
|
|
| 3244 |
|
|
0.31,6.RS,11.RA,16.RB,21.794,31.Rc:X:64::Shift Right Algebraic Doubleword
|
| 3245 |
|
|
|
| 3246 |
|
|
0.31,6.RS,11.RA,16.RB,21.792,31.Rc:X:::Shift Right Algebraic Word
|
| 3247 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3248 |
|
|
*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3249 |
|
|
*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3250 |
|
|
*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0
|
| 3251 |
|
|
unsigned64 mask;
|
| 3252 |
|
|
int n = MASKED(*rB, 59, 63);
|
| 3253 |
|
|
signed32 source = (signed32)*rS; /* signed to keep sign bit */
|
| 3254 |
|
|
signed32 shifted = source >> n;
|
| 3255 |
|
|
int S = (MASKED(*rS,32,32) != 0);
|
| 3256 |
|
|
signed64 r = ((unsigned64) source);
|
| 3257 |
|
|
r = ((unsigned64) source) << 32 | (unsigned32) source;
|
| 3258 |
|
|
r = ROTL64(r,64-n);
|
| 3259 |
|
|
if (MASKED(*rB,58,58) == 0)
|
| 3260 |
|
|
mask = (unsigned64) MASK64(n+32,63);
|
| 3261 |
|
|
else
|
| 3262 |
|
|
mask = (unsigned64) 0;
|
| 3263 |
|
|
*rA = (signed_word) (r & mask | ((signed64) -1*S) & ~mask); /* if 64bit will sign extend */
|
| 3264 |
|
|
if (S && (MASKED(r & ~mask,32,63)!=0))
|
| 3265 |
|
|
XER |= xer_carry;
|
| 3266 |
|
|
else
|
| 3267 |
|
|
XER &= ~xer_carry;
|
| 3268 |
|
|
CR0_COMPARE(*rA, 0, Rc);
|
| 3269 |
|
|
ITRACE(trace_alu, (" Result = %ld (0x%lx), XER = %ld\n",
|
| 3270 |
|
|
(long)*rA, (long)*rA, (long)XER));
|
| 3271 |
|
|
PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc);
|
| 3272 |
|
|
|
| 3273 |
|
|
#
|
| 3274 |
|
|
# I.3.3.14 Move to/from System Register Instructions
|
| 3275 |
|
|
#
|
| 3276 |
|
|
|
| 3277 |
|
|
0.31,6.RS,11.SPR,21.467,31./:XFX::mtspr %SPR, %RS:Move to Special Purpose Register
|
| 3278 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3279 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0
|
| 3280 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0
|
| 3281 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0
|
| 3282 |
|
|
int n = (SPR{5:9} << 5) | SPR{0:4};
|
| 3283 |
|
|
if (SPR{0} && IS_PROBLEM_STATE(processor))
|
| 3284 |
|
|
program_interrupt(processor, cia,
|
| 3285 |
|
|
privileged_instruction_program_interrupt);
|
| 3286 |
|
|
else if (!spr_is_valid(n)
|
| 3287 |
|
|
|| spr_is_readonly(n))
|
| 3288 |
|
|
program_interrupt(processor, cia,
|
| 3289 |
|
|
illegal_instruction_program_interrupt);
|
| 3290 |
|
|
else {
|
| 3291 |
|
|
spreg new_val = (spr_length(n) == 64
|
| 3292 |
|
|
? *rS
|
| 3293 |
|
|
: MASKED(*rS, 32, 63));
|
| 3294 |
|
|
/* HACK - time base registers need to be updated immediatly */
|
| 3295 |
|
|
if (WITH_TIME_BASE) {
|
| 3296 |
|
|
switch (n) {
|
| 3297 |
|
|
case spr_tbu:
|
| 3298 |
|
|
cpu_set_time_base(processor,
|
| 3299 |
|
|
(MASKED64(cpu_get_time_base(processor), 32, 63)
|
| 3300 |
|
|
| INSERTED64(new_val, 0, 31)));
|
| 3301 |
|
|
break;
|
| 3302 |
|
|
case spr_tbl:
|
| 3303 |
|
|
cpu_set_time_base(processor,
|
| 3304 |
|
|
(MASKED64(cpu_get_time_base(processor), 0, 31)
|
| 3305 |
|
|
| INSERTED64(new_val, 32, 63)));
|
| 3306 |
|
|
break;
|
| 3307 |
|
|
case spr_dec:
|
| 3308 |
|
|
cpu_set_decrementer(processor, new_val);
|
| 3309 |
|
|
break;
|
| 3310 |
|
|
default:
|
| 3311 |
|
|
SPREG(n) = new_val;
|
| 3312 |
|
|
break;
|
| 3313 |
|
|
}
|
| 3314 |
|
|
}
|
| 3315 |
|
|
else {
|
| 3316 |
|
|
SPREG(n) = new_val;
|
| 3317 |
|
|
}
|
| 3318 |
|
|
}
|
| 3319 |
|
|
PPC_INSN_TO_SPR(RS_BITMASK, n);
|
| 3320 |
|
|
|
| 3321 |
|
|
0.31,6.RT,11.SPR,21.339,31./:XFX::mfspr %RT, %SPR:Move from Special Purpose Register
|
| 3322 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3323 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 3324 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 3325 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0
|
| 3326 |
|
|
int n = (SPR{5:9} << 5) | SPR{0:4};
|
| 3327 |
|
|
if (SPR{0} && IS_PROBLEM_STATE(processor))
|
| 3328 |
|
|
program_interrupt(processor, cia,
|
| 3329 |
|
|
privileged_instruction_program_interrupt);
|
| 3330 |
|
|
else if (!spr_is_valid(n))
|
| 3331 |
|
|
program_interrupt(processor, cia,
|
| 3332 |
|
|
illegal_instruction_program_interrupt);
|
| 3333 |
|
|
else {
|
| 3334 |
|
|
/* HACK - time base registers need to be calculated */
|
| 3335 |
|
|
if (WITH_TIME_BASE) {
|
| 3336 |
|
|
switch (n) {
|
| 3337 |
|
|
case spr_dec:
|
| 3338 |
|
|
*rT = cpu_get_decrementer(processor);
|
| 3339 |
|
|
break;
|
| 3340 |
|
|
case spr_tbu:
|
| 3341 |
|
|
case spr_tbl:
|
| 3342 |
|
|
/* NOTE - these SPR's are not readable. Use mftb[ul] */
|
| 3343 |
|
|
default:
|
| 3344 |
|
|
*rT = SPREG(n);
|
| 3345 |
|
|
break;
|
| 3346 |
|
|
}
|
| 3347 |
|
|
}
|
| 3348 |
|
|
else {
|
| 3349 |
|
|
*rT = SPREG(n);
|
| 3350 |
|
|
}
|
| 3351 |
|
|
}
|
| 3352 |
|
|
PPC_INSN_FROM_SPR(RT_BITMASK, n);
|
| 3353 |
|
|
|
| 3354 |
|
|
0.31,6.RS,11./,12.FXM,20./,21.144,31./:XFX::mtfcr:Move to Condition Register Fields
|
| 3355 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0
|
| 3356 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 3357 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 3358 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0
|
| 3359 |
|
|
if (FXM == 0xff) {
|
| 3360 |
|
|
CR = *rS;
|
| 3361 |
|
|
}
|
| 3362 |
|
|
else {
|
| 3363 |
|
|
unsigned_word mask = 0;
|
| 3364 |
|
|
unsigned_word f;
|
| 3365 |
|
|
for (f = 0; f < 8; f++) {
|
| 3366 |
|
|
if (FXM & (0x80 >> f))
|
| 3367 |
|
|
mask |= (0xf << 4*(7-f));
|
| 3368 |
|
|
}
|
| 3369 |
|
|
CR = (MASKED(*rS, 32, 63) & mask) | (CR & ~mask);
|
| 3370 |
|
|
}
|
| 3371 |
|
|
PPC_INSN_MTCR(RS_BITMASK, FXM);
|
| 3372 |
|
|
|
| 3373 |
|
|
0.31,6.BF,9./,11./,16./,21.512,31./:X:::Move to Condition Register from XER
|
| 3374 |
|
|
# CR_SET(BF, EXTRACTED32(XER, 0, 3));
|
| 3375 |
|
|
# MBLIT32(XER, 0, 3, 0);
|
| 3376 |
|
|
|
| 3377 |
|
|
0.31,6.RT,11./,16./,21.19,31./:X:::Move From Condition Register
|
| 3378 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3379 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 3380 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 3381 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0
|
| 3382 |
|
|
*rT = (unsigned32)CR;
|
| 3383 |
|
|
PPC_INSN_MFCR(RT_BITMASK);
|
| 3384 |
|
|
|
| 3385 |
|
|
#
|
| 3386 |
|
|
# I.4.6.2 Floating-Point Load Instructions
|
| 3387 |
|
|
#
|
| 3388 |
|
|
|
| 3389 |
|
|
0.48,6.FRT,11.RA,16.D:D:f:lfs:Load Floating-Point Single
|
| 3390 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 3391 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3392 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3393 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3394 |
|
|
unsigned_word b;
|
| 3395 |
|
|
unsigned_word EA;
|
| 3396 |
|
|
if (RA_is_0) b = 0;
|
| 3397 |
|
|
else b = *rA;
|
| 3398 |
|
|
EA = b + EXTS(D);
|
| 3399 |
|
|
*frT = DOUBLE(MEM(unsigned, EA, 4));
|
| 3400 |
|
|
PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 3401 |
|
|
|
| 3402 |
|
|
0.31,6.FRT,11.RA,16.RB,21.535,31./:X:f::Load Floating-Point Single Indexed
|
| 3403 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 3404 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3405 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3406 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3407 |
|
|
unsigned_word b;
|
| 3408 |
|
|
unsigned_word EA;
|
| 3409 |
|
|
if (RA_is_0) b = 0;
|
| 3410 |
|
|
else b = *rA;
|
| 3411 |
|
|
EA = b + *rB;
|
| 3412 |
|
|
*frT = DOUBLE(MEM(unsigned, EA, 4));
|
| 3413 |
|
|
PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 3414 |
|
|
|
| 3415 |
|
|
0.49,6.FRT,11.RA,16.D:D:f::Load Floating-Point Single with Update
|
| 3416 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 3417 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3418 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3419 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3420 |
|
|
unsigned_word EA;
|
| 3421 |
|
|
if (RA_is_0)
|
| 3422 |
|
|
program_interrupt(processor, cia,
|
| 3423 |
|
|
illegal_instruction_program_interrupt);
|
| 3424 |
|
|
EA = *rA + EXTS(D);
|
| 3425 |
|
|
*frT = DOUBLE(MEM(unsigned, EA, 4));
|
| 3426 |
|
|
*rA = EA;
|
| 3427 |
|
|
PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 3428 |
|
|
|
| 3429 |
|
|
0.31,6.FRT,11.RA,16.RB,21.567,31./:X:f::Load Floating-Point Single with Update Indexed
|
| 3430 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 3431 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3432 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3433 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3434 |
|
|
unsigned_word EA;
|
| 3435 |
|
|
if (RA_is_0)
|
| 3436 |
|
|
program_interrupt(processor, cia,
|
| 3437 |
|
|
illegal_instruction_program_interrupt);
|
| 3438 |
|
|
EA = *rA + *rB;
|
| 3439 |
|
|
*frT = DOUBLE(MEM(unsigned, EA, 4));
|
| 3440 |
|
|
*rA = EA;
|
| 3441 |
|
|
PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 3442 |
|
|
|
| 3443 |
|
|
0.50,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double
|
| 3444 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 3445 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3446 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3447 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3448 |
|
|
unsigned_word b;
|
| 3449 |
|
|
unsigned_word EA;
|
| 3450 |
|
|
if (RA_is_0) b = 0;
|
| 3451 |
|
|
else b = *rA;
|
| 3452 |
|
|
EA = b + EXTS(D);
|
| 3453 |
|
|
*frT = MEM(unsigned, EA, 8);
|
| 3454 |
|
|
PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 3455 |
|
|
|
| 3456 |
|
|
0.31,6.FRT,11.RA,16.RB,21.599,31./:X:f::Load Floating-Point Double Indexed
|
| 3457 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 3458 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3459 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3460 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3461 |
|
|
unsigned_word b;
|
| 3462 |
|
|
unsigned_word EA;
|
| 3463 |
|
|
if (RA_is_0) b = 0;
|
| 3464 |
|
|
else b = *rA;
|
| 3465 |
|
|
EA = b + *rB;
|
| 3466 |
|
|
*frT = MEM(unsigned, EA, 8);
|
| 3467 |
|
|
PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 3468 |
|
|
|
| 3469 |
|
|
0.51,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double with Update
|
| 3470 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 3471 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3472 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3473 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3474 |
|
|
unsigned_word EA;
|
| 3475 |
|
|
if (RA_is_0)
|
| 3476 |
|
|
program_interrupt(processor, cia,
|
| 3477 |
|
|
illegal_instruction_program_interrupt);
|
| 3478 |
|
|
EA = *rA + EXTS(D);
|
| 3479 |
|
|
*frT = MEM(unsigned, EA, 8);
|
| 3480 |
|
|
*rA = EA;
|
| 3481 |
|
|
PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0);
|
| 3482 |
|
|
|
| 3483 |
|
|
0.31,6.FRT,11.RA,16.RB,21.631,31./:X:f::Load Floating-Point Double with Update Indexed
|
| 3484 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0
|
| 3485 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3486 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3487 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3488 |
|
|
unsigned_word EA;
|
| 3489 |
|
|
if (RA_is_0)
|
| 3490 |
|
|
program_interrupt(processor, cia,
|
| 3491 |
|
|
illegal_instruction_program_interrupt);
|
| 3492 |
|
|
EA = *rA + *rB;
|
| 3493 |
|
|
*frT = MEM(unsigned, EA, 8);
|
| 3494 |
|
|
*rA = EA;
|
| 3495 |
|
|
PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 3496 |
|
|
|
| 3497 |
|
|
|
| 3498 |
|
|
#
|
| 3499 |
|
|
# I.4.6.3 Floating-Point Store Instructions
|
| 3500 |
|
|
#
|
| 3501 |
|
|
|
| 3502 |
|
|
0.52,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single
|
| 3503 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3504 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3505 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3506 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3507 |
|
|
unsigned_word b;
|
| 3508 |
|
|
unsigned_word EA;
|
| 3509 |
|
|
if (RA_is_0) b = 0;
|
| 3510 |
|
|
else b = *rA;
|
| 3511 |
|
|
EA = b + EXTS(D);
|
| 3512 |
|
|
STORE(EA, 4, SINGLE(*frS));
|
| 3513 |
|
|
PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK);
|
| 3514 |
|
|
|
| 3515 |
|
|
0.31,6.FRS,11.RA,16.RB,21.663,31./:X:f::Store Floating-Point Single Indexed
|
| 3516 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3517 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3518 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3519 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3520 |
|
|
unsigned_word b;
|
| 3521 |
|
|
unsigned_word EA;
|
| 3522 |
|
|
if (RA_is_0) b = 0;
|
| 3523 |
|
|
else b = *rA;
|
| 3524 |
|
|
EA = b + *rB;
|
| 3525 |
|
|
STORE(EA, 4, SINGLE(*frS));
|
| 3526 |
|
|
PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK);
|
| 3527 |
|
|
|
| 3528 |
|
|
0.53,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single with Update
|
| 3529 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3530 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3531 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3532 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3533 |
|
|
unsigned_word EA;
|
| 3534 |
|
|
if (RA_is_0)
|
| 3535 |
|
|
program_interrupt(processor, cia,
|
| 3536 |
|
|
illegal_instruction_program_interrupt);
|
| 3537 |
|
|
EA = *rA + EXTS(D);
|
| 3538 |
|
|
STORE(EA, 4, SINGLE(*frS));
|
| 3539 |
|
|
*rA = EA;
|
| 3540 |
|
|
PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK);
|
| 3541 |
|
|
|
| 3542 |
|
|
0.31,6.FRS,11.RA,16.RB,21.695,31./:X:f::Store Floating-Point Single with Update Indexed
|
| 3543 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3544 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3545 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3546 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3547 |
|
|
unsigned_word EA;
|
| 3548 |
|
|
if (RA_is_0)
|
| 3549 |
|
|
program_interrupt(processor, cia,
|
| 3550 |
|
|
illegal_instruction_program_interrupt);
|
| 3551 |
|
|
EA = *rA + *rB;
|
| 3552 |
|
|
STORE(EA, 4, SINGLE(*frS));
|
| 3553 |
|
|
*rA = EA;
|
| 3554 |
|
|
PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK);
|
| 3555 |
|
|
|
| 3556 |
|
|
0.54,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double
|
| 3557 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3558 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3559 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3560 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3561 |
|
|
unsigned_word b;
|
| 3562 |
|
|
unsigned_word EA;
|
| 3563 |
|
|
if (RA_is_0) b = 0;
|
| 3564 |
|
|
else b = *rA;
|
| 3565 |
|
|
EA = b + EXTS(D);
|
| 3566 |
|
|
STORE(EA, 8, *frS);
|
| 3567 |
|
|
PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK);
|
| 3568 |
|
|
|
| 3569 |
|
|
0.31,6.FRS,11.RA,16.RB,21.727,31./:X:f::Store Floating-Point Double Indexed
|
| 3570 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3571 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3572 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3573 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3574 |
|
|
unsigned_word b;
|
| 3575 |
|
|
unsigned_word EA;
|
| 3576 |
|
|
if (RA_is_0) b = 0;
|
| 3577 |
|
|
else b = *rA;
|
| 3578 |
|
|
EA = b + *rB;
|
| 3579 |
|
|
STORE(EA, 8, *frS);
|
| 3580 |
|
|
PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK);
|
| 3581 |
|
|
|
| 3582 |
|
|
0.55,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double with Update
|
| 3583 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3584 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3585 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3586 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3587 |
|
|
unsigned_word EA;
|
| 3588 |
|
|
if (RA_is_0)
|
| 3589 |
|
|
program_interrupt(processor, cia,
|
| 3590 |
|
|
illegal_instruction_program_interrupt);
|
| 3591 |
|
|
EA = *rA + EXTS(D);
|
| 3592 |
|
|
STORE(EA, 8, *frS);
|
| 3593 |
|
|
*rA = EA;
|
| 3594 |
|
|
PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK);
|
| 3595 |
|
|
|
| 3596 |
|
|
0.31,6.FRS,11.RA,16.RB,21.759,31./:X:f::Store Floating-Point Double with Update Indexed
|
| 3597 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 3598 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3599 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0
|
| 3600 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 3601 |
|
|
unsigned_word EA;
|
| 3602 |
|
|
if (RA_is_0)
|
| 3603 |
|
|
program_interrupt(processor, cia,
|
| 3604 |
|
|
illegal_instruction_program_interrupt);
|
| 3605 |
|
|
EA = *rA + *rB;
|
| 3606 |
|
|
STORE(EA, 8, *frS);
|
| 3607 |
|
|
*rA = EA;
|
| 3608 |
|
|
PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK);
|
| 3609 |
|
|
|
| 3610 |
|
|
|
| 3611 |
|
|
#
|
| 3612 |
|
|
# I.4.6.4 Floating-Point Move Instructions
|
| 3613 |
|
|
#
|
| 3614 |
|
|
|
| 3615 |
|
|
0.63,6.FRT,11./,16.FRB,21.72,31.Rc:X:f::Floating Move Register
|
| 3616 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3617 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3618 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3619 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3620 |
|
|
*frT = *frB;
|
| 3621 |
|
|
CR1_UPDATE(Rc);
|
| 3622 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc);
|
| 3623 |
|
|
|
| 3624 |
|
|
0.63,6.FRT,11./,16.FRB,21.40,31.Rc:X:f::Floating Negate
|
| 3625 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3626 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3627 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3628 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3629 |
|
|
*frT = *frB ^ BIT64(0);
|
| 3630 |
|
|
CR1_UPDATE(Rc);
|
| 3631 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc);
|
| 3632 |
|
|
|
| 3633 |
|
|
0.63,6.FRT,11./,16.FRB,21.264,31.Rc:X:f::Floating Absolute Value
|
| 3634 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3635 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3636 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3637 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3638 |
|
|
*frT = *frB & ~BIT64(0);
|
| 3639 |
|
|
CR1_UPDATE(Rc);
|
| 3640 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc);
|
| 3641 |
|
|
|
| 3642 |
|
|
0.63,6.FRT,11./,16.FRB,21.136,31.Rc:X:f::Floating Negative Absolute Value
|
| 3643 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3644 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3645 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3646 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3647 |
|
|
*frT = *frB | BIT64(0);
|
| 3648 |
|
|
CR1_UPDATE(Rc);
|
| 3649 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc);
|
| 3650 |
|
|
|
| 3651 |
|
|
|
| 3652 |
|
|
#
|
| 3653 |
|
|
# I.4.6.5 Floating-Point Arithmetic Instructions
|
| 3654 |
|
|
#
|
| 3655 |
|
|
|
| 3656 |
|
|
0.63,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadd:Floating Add
|
| 3657 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3658 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3659 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3660 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3661 |
|
|
FPSCR_BEGIN;
|
| 3662 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3663 |
|
|
*frA, *frB,
|
| 3664 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 3665 |
|
|
0, /*single?*/
|
| 3666 |
|
|
0) /*negate?*/) {
|
| 3667 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3668 |
|
|
frT, *frA, *frB, 0,
|
| 3669 |
|
|
0, /*instruction_is_frsp*/
|
| 3670 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3671 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3672 |
|
|
0); /*single-precision*/
|
| 3673 |
|
|
}
|
| 3674 |
|
|
else {
|
| 3675 |
|
|
/*HACK!*/
|
| 3676 |
|
|
double s = *(double*)frA + *(double*)frB;
|
| 3677 |
|
|
*(double*)frT = s;
|
| 3678 |
|
|
}
|
| 3679 |
|
|
FPSCR_END(Rc);
|
| 3680 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc);
|
| 3681 |
|
|
|
| 3682 |
|
|
0.59,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadds:Floating Add Single
|
| 3683 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3684 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3685 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3686 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3687 |
|
|
FPSCR_BEGIN;
|
| 3688 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3689 |
|
|
*frA, *frB,
|
| 3690 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 3691 |
|
|
1, /*single?*/
|
| 3692 |
|
|
0) /*negate?*/) {
|
| 3693 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3694 |
|
|
frT, *frA, *frB, 0,
|
| 3695 |
|
|
0, /*instruction_is_frsp*/
|
| 3696 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3697 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3698 |
|
|
1); /*single-precision*/
|
| 3699 |
|
|
}
|
| 3700 |
|
|
else {
|
| 3701 |
|
|
/*HACK!*/
|
| 3702 |
|
|
float s = *(double*)frA + *(double*)frB;
|
| 3703 |
|
|
*(double*)frT = s;
|
| 3704 |
|
|
}
|
| 3705 |
|
|
FPSCR_END(Rc);
|
| 3706 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc);
|
| 3707 |
|
|
|
| 3708 |
|
|
0.63,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsub:Floating Subtract
|
| 3709 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3710 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3711 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3712 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3713 |
|
|
FPSCR_BEGIN;
|
| 3714 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3715 |
|
|
*frA, *frB,
|
| 3716 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 3717 |
|
|
0, /*single?*/
|
| 3718 |
|
|
1) /*negate?*/) {
|
| 3719 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3720 |
|
|
frT, *frA, *frB, 0,
|
| 3721 |
|
|
0, /*instruction_is_frsp*/
|
| 3722 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3723 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3724 |
|
|
0); /*single-precision*/
|
| 3725 |
|
|
}
|
| 3726 |
|
|
else {
|
| 3727 |
|
|
/*HACK!*/
|
| 3728 |
|
|
double s = *(double*)frA - *(double*)frB;
|
| 3729 |
|
|
*(double*)frT = s;
|
| 3730 |
|
|
}
|
| 3731 |
|
|
FPSCR_END(Rc);
|
| 3732 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc);
|
| 3733 |
|
|
|
| 3734 |
|
|
0.59,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsubs:Floating Subtract Single
|
| 3735 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3736 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3737 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3738 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3739 |
|
|
FPSCR_BEGIN;
|
| 3740 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3741 |
|
|
*frA, *frB,
|
| 3742 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 3743 |
|
|
1, /*single?*/
|
| 3744 |
|
|
1) /*negate?*/) {
|
| 3745 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3746 |
|
|
frT, *frA, *frB, 0,
|
| 3747 |
|
|
0, /*instruction_is_frsp*/
|
| 3748 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3749 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3750 |
|
|
1); /*single-precision*/
|
| 3751 |
|
|
}
|
| 3752 |
|
|
else {
|
| 3753 |
|
|
/*HACK!*/
|
| 3754 |
|
|
float s = *(double*)frA - *(double*)frB;
|
| 3755 |
|
|
*(double*)frT = s;
|
| 3756 |
|
|
}
|
| 3757 |
|
|
FPSCR_END(Rc);
|
| 3758 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc);
|
| 3759 |
|
|
|
| 3760 |
|
|
0.63,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmul:Floating Multiply
|
| 3761 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0
|
| 3762 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 3763 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 3764 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3765 |
|
|
FPSCR_BEGIN;
|
| 3766 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3767 |
|
|
*frA, *frC,
|
| 3768 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 3769 |
|
|
0, /*single?*/
|
| 3770 |
|
|
0) /*negate?*/) {
|
| 3771 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3772 |
|
|
frT, *frA, 0, *frC,
|
| 3773 |
|
|
0, /*instruction_is_frsp*/
|
| 3774 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3775 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3776 |
|
|
0); /*single-precision*/
|
| 3777 |
|
|
}
|
| 3778 |
|
|
else {
|
| 3779 |
|
|
/*HACK!*/
|
| 3780 |
|
|
double s = *(double*)frA * *(double*)frC;
|
| 3781 |
|
|
*(double*)frT = s;
|
| 3782 |
|
|
}
|
| 3783 |
|
|
FPSCR_END(Rc);
|
| 3784 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc);
|
| 3785 |
|
|
|
| 3786 |
|
|
0.59,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmuls:Floating Multiply Single
|
| 3787 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3788 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3789 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3790 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3791 |
|
|
FPSCR_BEGIN;
|
| 3792 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3793 |
|
|
*frA, *frC,
|
| 3794 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 3795 |
|
|
1, /*single?*/
|
| 3796 |
|
|
0) /*negate?*/) {
|
| 3797 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3798 |
|
|
frT, *frA, 0, *frC,
|
| 3799 |
|
|
0, /*instruction_is_frsp*/
|
| 3800 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3801 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3802 |
|
|
1); /*single-precision*/
|
| 3803 |
|
|
}
|
| 3804 |
|
|
else {
|
| 3805 |
|
|
/*HACK!*/
|
| 3806 |
|
|
float s = *(double*)frA * *(double*)frC;
|
| 3807 |
|
|
*(double*)frT = s;
|
| 3808 |
|
|
}
|
| 3809 |
|
|
FPSCR_END(Rc);
|
| 3810 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc);
|
| 3811 |
|
|
|
| 3812 |
|
|
0.63,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdiv:Floating Divide
|
| 3813 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 31, 31, 0
|
| 3814 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0
|
| 3815 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0
|
| 3816 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 32, 32, 0
|
| 3817 |
|
|
FPSCR_BEGIN;
|
| 3818 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3819 |
|
|
*frA, *frB,
|
| 3820 |
|
|
fpscr_vxsnan | fpscr_vxzdz,
|
| 3821 |
|
|
0, /*single?*/
|
| 3822 |
|
|
0) /*negate?*/) {
|
| 3823 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3824 |
|
|
frT, *frA, *frB, 0,
|
| 3825 |
|
|
0, /*instruction_is_frsp*/
|
| 3826 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3827 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3828 |
|
|
0); /*single-precision*/
|
| 3829 |
|
|
}
|
| 3830 |
|
|
else if (is_invalid_zero_divide (processor, cia,
|
| 3831 |
|
|
*frA, *frB,
|
| 3832 |
|
|
|
| 3833 |
|
|
invalid_zero_divide_operation (processor, cia,
|
| 3834 |
|
|
frT, *frA, *frB,
|
| 3835 |
|
|
|
| 3836 |
|
|
}
|
| 3837 |
|
|
else {
|
| 3838 |
|
|
/*HACK!*/
|
| 3839 |
|
|
double s = *(double*)frA / *(double*)frB;
|
| 3840 |
|
|
*(double*)frT = s;
|
| 3841 |
|
|
}
|
| 3842 |
|
|
FPSCR_END(Rc);
|
| 3843 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc);
|
| 3844 |
|
|
|
| 3845 |
|
|
0.59,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdivs:Floating Divide Single
|
| 3846 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 17, 17, 0
|
| 3847 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0
|
| 3848 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0
|
| 3849 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0
|
| 3850 |
|
|
FPSCR_BEGIN;
|
| 3851 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3852 |
|
|
*frA, *frB,
|
| 3853 |
|
|
fpscr_vxsnan | fpscr_vxzdz,
|
| 3854 |
|
|
1, /*single?*/
|
| 3855 |
|
|
0) /*negate?*/) {
|
| 3856 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3857 |
|
|
frT, *frA, *frB, 0,
|
| 3858 |
|
|
0, /*instruction_is_frsp*/
|
| 3859 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3860 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3861 |
|
|
1); /*single-precision*/
|
| 3862 |
|
|
}
|
| 3863 |
|
|
else if (is_invalid_zero_divide (processor, cia,
|
| 3864 |
|
|
*frA, *frB,
|
| 3865 |
|
|
1 /*single?*/)) {
|
| 3866 |
|
|
invalid_zero_divide_operation (processor, cia,
|
| 3867 |
|
|
frT, *frA, *frB,
|
| 3868 |
|
|
1 /*single?*/);
|
| 3869 |
|
|
}
|
| 3870 |
|
|
else {
|
| 3871 |
|
|
/*HACK!*/
|
| 3872 |
|
|
float s = *(double*)frA / *(double*)frB;
|
| 3873 |
|
|
*(double*)frT = s;
|
| 3874 |
|
|
}
|
| 3875 |
|
|
FPSCR_END(Rc);
|
| 3876 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc);
|
| 3877 |
|
|
|
| 3878 |
|
|
0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f:fmadd:Floating Multiply-Add
|
| 3879 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0
|
| 3880 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 3881 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 3882 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3883 |
|
|
FPSCR_BEGIN;
|
| 3884 |
|
|
double product; /*HACK! - incorrectly loosing precision ... */
|
| 3885 |
|
|
/* compute the multiply */
|
| 3886 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3887 |
|
|
*frA, *frC,
|
| 3888 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 3889 |
|
|
0, /*single?*/
|
| 3890 |
|
|
0) /*negate?*/) {
|
| 3891 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3892 |
|
|
(unsigned64*)&product, *frA, 0, *frC,
|
| 3893 |
|
|
0, /*instruction_is_frsp*/
|
| 3894 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3895 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3896 |
|
|
0); /*single-precision*/
|
| 3897 |
|
|
}
|
| 3898 |
|
|
else {
|
| 3899 |
|
|
/*HACK!*/
|
| 3900 |
|
|
product = *(double*)frA * *(double*)frC;
|
| 3901 |
|
|
}
|
| 3902 |
|
|
/* compute the add */
|
| 3903 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3904 |
|
|
product, *frB,
|
| 3905 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 3906 |
|
|
0, /*single?*/
|
| 3907 |
|
|
0) /*negate?*/) {
|
| 3908 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3909 |
|
|
frT, product, *frB, 0,
|
| 3910 |
|
|
0, /*instruction_is_frsp*/
|
| 3911 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3912 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3913 |
|
|
0); /*single-precision*/
|
| 3914 |
|
|
}
|
| 3915 |
|
|
else {
|
| 3916 |
|
|
/*HACK!*/
|
| 3917 |
|
|
double s = product + *(double*)frB;
|
| 3918 |
|
|
*(double*)frT = s;
|
| 3919 |
|
|
}
|
| 3920 |
|
|
FPSCR_END(Rc);
|
| 3921 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc);
|
| 3922 |
|
|
|
| 3923 |
|
|
0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f::Floating Multiply-Add Single
|
| 3924 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 3925 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3926 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3927 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3928 |
|
|
FPSCR_BEGIN;
|
| 3929 |
|
|
float product; /*HACK! - incorrectly loosing precision ... */
|
| 3930 |
|
|
/* compute the multiply */
|
| 3931 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3932 |
|
|
*frA, *frC,
|
| 3933 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 3934 |
|
|
1, /*single?*/
|
| 3935 |
|
|
0) /*negate?*/) {
|
| 3936 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3937 |
|
|
(unsigned64*)&product, *frA, 0, *frC,
|
| 3938 |
|
|
0, /*instruction_is_frsp*/
|
| 3939 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3940 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3941 |
|
|
0); /*single-precision*/
|
| 3942 |
|
|
}
|
| 3943 |
|
|
else {
|
| 3944 |
|
|
/*HACK!*/
|
| 3945 |
|
|
product = *(double*)frA * *(double*)frC;
|
| 3946 |
|
|
}
|
| 3947 |
|
|
/* compute the add */
|
| 3948 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3949 |
|
|
product, *frB,
|
| 3950 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 3951 |
|
|
1, /*single?*/
|
| 3952 |
|
|
0) /*negate?*/) {
|
| 3953 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3954 |
|
|
frT, product, *frB, 0,
|
| 3955 |
|
|
0, /*instruction_is_frsp*/
|
| 3956 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3957 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3958 |
|
|
0); /*single-precision*/
|
| 3959 |
|
|
}
|
| 3960 |
|
|
else {
|
| 3961 |
|
|
/*HACK!*/
|
| 3962 |
|
|
float s = product + *(double*)frB;
|
| 3963 |
|
|
*(double*)frT = (double)s;
|
| 3964 |
|
|
}
|
| 3965 |
|
|
FPSCR_END(Rc);
|
| 3966 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc);
|
| 3967 |
|
|
|
| 3968 |
|
|
0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract
|
| 3969 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0
|
| 3970 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 3971 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 3972 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 3973 |
|
|
FPSCR_BEGIN;
|
| 3974 |
|
|
double product; /*HACK! - incorrectly loosing precision ... */
|
| 3975 |
|
|
/* compute the multiply */
|
| 3976 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3977 |
|
|
*frA, *frC,
|
| 3978 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 3979 |
|
|
0, /*single?*/
|
| 3980 |
|
|
0) /*negate?*/) {
|
| 3981 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3982 |
|
|
(unsigned64*)&product, *frA, 0, *frC,
|
| 3983 |
|
|
0, /*instruction_is_frsp*/
|
| 3984 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 3985 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 3986 |
|
|
0); /*single-precision*/
|
| 3987 |
|
|
}
|
| 3988 |
|
|
else {
|
| 3989 |
|
|
/*HACK!*/
|
| 3990 |
|
|
product = *(double*)frA * *(double*)frC;
|
| 3991 |
|
|
}
|
| 3992 |
|
|
/* compute the subtract */
|
| 3993 |
|
|
if (is_invalid_operation(processor, cia,
|
| 3994 |
|
|
product, *frB,
|
| 3995 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 3996 |
|
|
0, /*single?*/
|
| 3997 |
|
|
0) /*negate?*/) {
|
| 3998 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 3999 |
|
|
frT, product, *frB, 0,
|
| 4000 |
|
|
0, /*instruction_is_frsp*/
|
| 4001 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4002 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4003 |
|
|
0); /*single-precision*/
|
| 4004 |
|
|
}
|
| 4005 |
|
|
else {
|
| 4006 |
|
|
/*HACK!*/
|
| 4007 |
|
|
double s = product - *(double*)frB;
|
| 4008 |
|
|
*(double*)frT = s;
|
| 4009 |
|
|
}
|
| 4010 |
|
|
FPSCR_END(Rc);
|
| 4011 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc);
|
| 4012 |
|
|
|
| 4013 |
|
|
0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract Single
|
| 4014 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 4015 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4016 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4017 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4018 |
|
|
FPSCR_BEGIN;
|
| 4019 |
|
|
float product; /*HACK! - incorrectly loosing precision ... */
|
| 4020 |
|
|
/* compute the multiply */
|
| 4021 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4022 |
|
|
*frA, *frC,
|
| 4023 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 4024 |
|
|
1, /*single?*/
|
| 4025 |
|
|
0) /*negate?*/) {
|
| 4026 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4027 |
|
|
(unsigned64*)&product, *frA, 0, *frC,
|
| 4028 |
|
|
0, /*instruction_is_frsp*/
|
| 4029 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4030 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4031 |
|
|
0); /*single-precision*/
|
| 4032 |
|
|
}
|
| 4033 |
|
|
else {
|
| 4034 |
|
|
/*HACK!*/
|
| 4035 |
|
|
product = *(double*)frA * *(double*)frC;
|
| 4036 |
|
|
}
|
| 4037 |
|
|
/* compute the subtract */
|
| 4038 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4039 |
|
|
product, *frB,
|
| 4040 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 4041 |
|
|
1, /*single?*/
|
| 4042 |
|
|
0) /*negate?*/) {
|
| 4043 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4044 |
|
|
frT, product, *frB, 0,
|
| 4045 |
|
|
0, /*instruction_is_frsp*/
|
| 4046 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4047 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4048 |
|
|
0); /*single-precision*/
|
| 4049 |
|
|
}
|
| 4050 |
|
|
else {
|
| 4051 |
|
|
/*HACK!*/
|
| 4052 |
|
|
float s = product - *(double*)frB;
|
| 4053 |
|
|
*(double*)frT = (double)s;
|
| 4054 |
|
|
}
|
| 4055 |
|
|
FPSCR_END(Rc);
|
| 4056 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc);
|
| 4057 |
|
|
|
| 4058 |
|
|
0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add
|
| 4059 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0
|
| 4060 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 4061 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 4062 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4063 |
|
|
FPSCR_BEGIN;
|
| 4064 |
|
|
double product; /*HACK! - incorrectly loosing precision ... */
|
| 4065 |
|
|
/* compute the multiply */
|
| 4066 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4067 |
|
|
*frA, *frC,
|
| 4068 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 4069 |
|
|
0, /*single?*/
|
| 4070 |
|
|
0) /*negate?*/) {
|
| 4071 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4072 |
|
|
(unsigned64*)&product, *frA, 0, *frC,
|
| 4073 |
|
|
0, /*instruction_is_frsp*/
|
| 4074 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4075 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4076 |
|
|
0); /*single-precision*/
|
| 4077 |
|
|
}
|
| 4078 |
|
|
else {
|
| 4079 |
|
|
/*HACK!*/
|
| 4080 |
|
|
product = *(double*)frA * *(double*)frC;
|
| 4081 |
|
|
}
|
| 4082 |
|
|
/* compute the add */
|
| 4083 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4084 |
|
|
product, *frB,
|
| 4085 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 4086 |
|
|
0, /*single?*/
|
| 4087 |
|
|
0) /*negate?*/) {
|
| 4088 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4089 |
|
|
frT, product, *frB, 0,
|
| 4090 |
|
|
0, /*instruction_is_frsp*/
|
| 4091 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4092 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4093 |
|
|
0); /*single-precision*/
|
| 4094 |
|
|
}
|
| 4095 |
|
|
else {
|
| 4096 |
|
|
/*HACK!*/
|
| 4097 |
|
|
double s = -(product + *(double*)frB);
|
| 4098 |
|
|
*(double*)frT = s;
|
| 4099 |
|
|
}
|
| 4100 |
|
|
FPSCR_END(Rc);
|
| 4101 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc);
|
| 4102 |
|
|
|
| 4103 |
|
|
0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add Single
|
| 4104 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 4105 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4106 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4107 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4108 |
|
|
FPSCR_BEGIN;
|
| 4109 |
|
|
float product; /*HACK! - incorrectly loosing precision ... */
|
| 4110 |
|
|
/* compute the multiply */
|
| 4111 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4112 |
|
|
*frA, *frC,
|
| 4113 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 4114 |
|
|
1, /*single?*/
|
| 4115 |
|
|
0) /*negate?*/) {
|
| 4116 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4117 |
|
|
(unsigned64*)&product, *frA, 0, *frC,
|
| 4118 |
|
|
0, /*instruction_is_frsp*/
|
| 4119 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4120 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4121 |
|
|
0); /*single-precision*/
|
| 4122 |
|
|
}
|
| 4123 |
|
|
else {
|
| 4124 |
|
|
/*HACK!*/
|
| 4125 |
|
|
product = *(double*)frA * *(double*)frC;
|
| 4126 |
|
|
}
|
| 4127 |
|
|
/* compute the add */
|
| 4128 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4129 |
|
|
product, *frB,
|
| 4130 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 4131 |
|
|
1, /*single?*/
|
| 4132 |
|
|
0) /*negate?*/) {
|
| 4133 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4134 |
|
|
frT, product, *frB, 0,
|
| 4135 |
|
|
0, /*instruction_is_frsp*/
|
| 4136 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4137 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4138 |
|
|
0); /*single-precision*/
|
| 4139 |
|
|
}
|
| 4140 |
|
|
else {
|
| 4141 |
|
|
/*HACK!*/
|
| 4142 |
|
|
float s = -(product + *(double*)frB);
|
| 4143 |
|
|
*(double*)frT = (double)s;
|
| 4144 |
|
|
}
|
| 4145 |
|
|
FPSCR_END(Rc);
|
| 4146 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc);
|
| 4147 |
|
|
|
| 4148 |
|
|
0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract
|
| 4149 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0
|
| 4150 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 4151 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0
|
| 4152 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4153 |
|
|
FPSCR_BEGIN;
|
| 4154 |
|
|
double product; /*HACK! - incorrectly loosing precision ... */
|
| 4155 |
|
|
/* compute the multiply */
|
| 4156 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4157 |
|
|
*frA, *frC,
|
| 4158 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 4159 |
|
|
0, /*single?*/
|
| 4160 |
|
|
0) /*negate?*/) {
|
| 4161 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4162 |
|
|
(unsigned64*)&product, *frA, 0, *frC,
|
| 4163 |
|
|
0, /*instruction_is_frsp*/
|
| 4164 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4165 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4166 |
|
|
0); /*single-precision*/
|
| 4167 |
|
|
}
|
| 4168 |
|
|
else {
|
| 4169 |
|
|
/*HACK!*/
|
| 4170 |
|
|
product = *(double*)frA * *(double*)frC;
|
| 4171 |
|
|
}
|
| 4172 |
|
|
/* compute the subtract */
|
| 4173 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4174 |
|
|
product, *frB,
|
| 4175 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 4176 |
|
|
0, /*single?*/
|
| 4177 |
|
|
0) /*negate?*/) {
|
| 4178 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4179 |
|
|
frT, product, *frB, 0,
|
| 4180 |
|
|
0, /*instruction_is_frsp*/
|
| 4181 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4182 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4183 |
|
|
0); /*single-precision*/
|
| 4184 |
|
|
}
|
| 4185 |
|
|
else {
|
| 4186 |
|
|
/*HACK!*/
|
| 4187 |
|
|
double s = -(product - *(double*)frB);
|
| 4188 |
|
|
*(double*)frT = s;
|
| 4189 |
|
|
}
|
| 4190 |
|
|
FPSCR_END(Rc);
|
| 4191 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc);
|
| 4192 |
|
|
|
| 4193 |
|
|
0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract Single
|
| 4194 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 4195 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4196 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4197 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4198 |
|
|
FPSCR_BEGIN;
|
| 4199 |
|
|
float product; /*HACK! - incorrectly loosing precision ... */
|
| 4200 |
|
|
/* compute the multiply */
|
| 4201 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4202 |
|
|
*frA, *frC,
|
| 4203 |
|
|
fpscr_vxsnan | fpscr_vximz,
|
| 4204 |
|
|
1, /*single?*/
|
| 4205 |
|
|
0) /*negate?*/) {
|
| 4206 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4207 |
|
|
(unsigned64*)&product, *frA, 0, *frC,
|
| 4208 |
|
|
0, /*instruction_is_frsp*/
|
| 4209 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4210 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4211 |
|
|
0); /*single-precision*/
|
| 4212 |
|
|
}
|
| 4213 |
|
|
else {
|
| 4214 |
|
|
/*HACK!*/
|
| 4215 |
|
|
product = *(double*)frA * *(double*)frC;
|
| 4216 |
|
|
}
|
| 4217 |
|
|
/* compute the subtract */
|
| 4218 |
|
|
if (is_invalid_operation(processor, cia,
|
| 4219 |
|
|
product, *frB,
|
| 4220 |
|
|
fpscr_vxsnan | fpscr_vxisi,
|
| 4221 |
|
|
1, /*single?*/
|
| 4222 |
|
|
0) /*negate?*/) {
|
| 4223 |
|
|
invalid_arithemetic_operation(processor, cia,
|
| 4224 |
|
|
frT, product, *frB, 0,
|
| 4225 |
|
|
0, /*instruction_is_frsp*/
|
| 4226 |
|
|
0, /*instruction_is_convert_to_64bit*/
|
| 4227 |
|
|
0, /*instruction_is_convert_to_32bit*/
|
| 4228 |
|
|
0); /*single-precision*/
|
| 4229 |
|
|
}
|
| 4230 |
|
|
else {
|
| 4231 |
|
|
/*HACK!*/
|
| 4232 |
|
|
float s = -(product - *(double*)frB);
|
| 4233 |
|
|
*(double*)frT = (double)s;
|
| 4234 |
|
|
}
|
| 4235 |
|
|
FPSCR_END(Rc);
|
| 4236 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc);
|
| 4237 |
|
|
|
| 4238 |
|
|
|
| 4239 |
|
|
#
|
| 4240 |
|
|
# I.4.6.6 Floating-Point Rounding and Conversion Instructions
|
| 4241 |
|
|
#
|
| 4242 |
|
|
|
| 4243 |
|
|
0.63,6.FRT,11./,16.FRB,21.12,31.Rc:X:f::Floating Round to Single-Precision
|
| 4244 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 4245 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4246 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4247 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4248 |
|
|
int sign;
|
| 4249 |
|
|
int exp;
|
| 4250 |
|
|
unsigned64 frac_grx;
|
| 4251 |
|
|
/***/
|
| 4252 |
|
|
/* split off cases for what to do */
|
| 4253 |
|
|
if (EXTRACTED64(*frB, 1, 11) < 897
|
| 4254 |
|
|
&& EXTRACTED64(*frB, 1, 63) > 0) {
|
| 4255 |
|
|
if ((FPSCR & fpscr_ue) == 0) GOTO(Disabled_Exponent_Underflow);
|
| 4256 |
|
|
if ((FPSCR & fpscr_ue) != 0) GOTO(Enabled_Exponent_Underflow);
|
| 4257 |
|
|
}
|
| 4258 |
|
|
if (EXTRACTED64(*frB, 1, 11) > 1150
|
| 4259 |
|
|
&& EXTRACTED64(*frB, 1, 11) < 2047) {
|
| 4260 |
|
|
if ((FPSCR & fpscr_oe) == 0) GOTO(Disabled_Exponent_Overflow);
|
| 4261 |
|
|
if ((FPSCR & fpscr_oe) != 0) GOTO(Enabled_Exponent_Overflow);
|
| 4262 |
|
|
}
|
| 4263 |
|
|
if (EXTRACTED64(*frB, 1, 11) > 896
|
| 4264 |
|
|
&& EXTRACTED64(*frB, 1, 11) < 1151) GOTO(Normal_Operand);
|
| 4265 |
|
|
if (EXTRACTED64(*frB, 1, 63) == 0) GOTO(Zero_Operand);
|
| 4266 |
|
|
if (EXTRACTED64(*frB, 1, 11) == 2047) {
|
| 4267 |
|
|
if (EXTRACTED64(*frB, 12, 63) == 0) GOTO(Infinity_Operand);
|
| 4268 |
|
|
if (EXTRACTED64(*frB, 12, 12) == 1) GOTO(QNaN_Operand);
|
| 4269 |
|
|
if (EXTRACTED64(*frB, 12, 12) == 0
|
| 4270 |
|
|
&& EXTRACTED64(*frB, 13, 63) > 0) GOTO(SNaN_Operand);
|
| 4271 |
|
|
}
|
| 4272 |
|
|
/**/
|
| 4273 |
|
|
LABEL(Disabled_Exponent_Underflow):
|
| 4274 |
|
|
sign = EXTRACTED64(*frB, 0, 0);
|
| 4275 |
|
|
if (EXTRACTED64(*frB, 1, 11) == 0) {
|
| 4276 |
|
|
exp = -1022;
|
| 4277 |
|
|
frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52);
|
| 4278 |
|
|
}
|
| 4279 |
|
|
if (EXTRACTED64(*frB, 1, 11) > 0) {
|
| 4280 |
|
|
exp = EXTRACTED64(*frB, 1, 11) - 1023;
|
| 4281 |
|
|
frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52);
|
| 4282 |
|
|
}
|
| 4283 |
|
|
/* G|R|X == zero from above */
|
| 4284 |
|
|
while (exp < -126) {
|
| 4285 |
|
|
exp = exp + 1;
|
| 4286 |
|
|
frac_grx = (INSERTED64(EXTRACTED64(frac_grx, 0, 54), 1, 55)
|
| 4287 |
|
|
| MASKED64(frac_grx, 55, 55));
|
| 4288 |
|
|
}
|
| 4289 |
|
|
FPSCR_SET_UX(EXTRACTED64(frac_grx, 24, 55) > 0);
|
| 4290 |
|
|
Round_Single(processor, sign, &exp, &frac_grx);
|
| 4291 |
|
|
FPSCR_SET_XX(FPSCR & fpscr_fi);
|
| 4292 |
|
|
if (EXTRACTED64(frac_grx, 0, 52) == 0) {
|
| 4293 |
|
|
*frT = INSERTED64(sign, 0, 0);
|
| 4294 |
|
|
if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero);
|
| 4295 |
|
|
if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero);
|
| 4296 |
|
|
}
|
| 4297 |
|
|
if (EXTRACTED64(frac_grx, 0, 52) > 0) {
|
| 4298 |
|
|
if (EXTRACTED64(frac_grx, 0, 0) == 1) {
|
| 4299 |
|
|
if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number);
|
| 4300 |
|
|
if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number);
|
| 4301 |
|
|
}
|
| 4302 |
|
|
if (EXTRACTED64(frac_grx, 0, 0) == 0) {
|
| 4303 |
|
|
if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_denormalized_number);
|
| 4304 |
|
|
if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_denormalized_number);
|
| 4305 |
|
|
}
|
| 4306 |
|
|
/*Normalize_Operand:*/
|
| 4307 |
|
|
while (EXTRACTED64(frac_grx, 0, 0) == 0) {
|
| 4308 |
|
|
exp = exp - 1;
|
| 4309 |
|
|
frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51);
|
| 4310 |
|
|
}
|
| 4311 |
|
|
*frT = (INSERTED64(sign, 0, 0)
|
| 4312 |
|
|
| INSERTED64(exp + 1023, 1, 11)
|
| 4313 |
|
|
| INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63));
|
| 4314 |
|
|
}
|
| 4315 |
|
|
GOTO(Done);
|
| 4316 |
|
|
/**/
|
| 4317 |
|
|
LABEL(Enabled_Exponent_Underflow):
|
| 4318 |
|
|
FPSCR_SET_UX(1);
|
| 4319 |
|
|
sign = EXTRACTED64(*frB, 0, 0);
|
| 4320 |
|
|
if (EXTRACTED64(*frB, 1, 11) == 0) {
|
| 4321 |
|
|
exp = -1022;
|
| 4322 |
|
|
frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52);
|
| 4323 |
|
|
}
|
| 4324 |
|
|
if (EXTRACTED64(*frB, 1, 11) > 0) {
|
| 4325 |
|
|
exp = EXTRACTED64(*frB, 1, 11) - 1023;
|
| 4326 |
|
|
frac_grx = (BIT64(0) |
|
| 4327 |
|
|
INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52));
|
| 4328 |
|
|
}
|
| 4329 |
|
|
/*Normalize_Operand:*/
|
| 4330 |
|
|
while (EXTRACTED64(frac_grx, 0, 0) == 0) {
|
| 4331 |
|
|
exp = exp - 1;
|
| 4332 |
|
|
frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51);
|
| 4333 |
|
|
}
|
| 4334 |
|
|
Round_Single(processor, sign, &exp, &frac_grx);
|
| 4335 |
|
|
FPSCR_SET_XX(FPSCR & fpscr_fi);
|
| 4336 |
|
|
exp = exp + 192;
|
| 4337 |
|
|
*frT = (INSERTED64(sign, 0, 0)
|
| 4338 |
|
|
| INSERTED64(exp + 1023, 1, 11)
|
| 4339 |
|
|
| INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63));
|
| 4340 |
|
|
if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number);
|
| 4341 |
|
|
if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number);
|
| 4342 |
|
|
GOTO(Done);
|
| 4343 |
|
|
/**/
|
| 4344 |
|
|
LABEL(Disabled_Exponent_Overflow):
|
| 4345 |
|
|
FPSCR_SET_OX(1);
|
| 4346 |
|
|
if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) {
|
| 4347 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 0) {
|
| 4348 |
|
|
*frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000;
|
| 4349 |
|
|
FPSCR_SET_FPRF(fpscr_rf_pos_infinity);
|
| 4350 |
|
|
}
|
| 4351 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 1) {
|
| 4352 |
|
|
*frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000;
|
| 4353 |
|
|
FPSCR_SET_FPRF(fpscr_rf_neg_infinity);
|
| 4354 |
|
|
}
|
| 4355 |
|
|
}
|
| 4356 |
|
|
if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_zero) {
|
| 4357 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 0) {
|
| 4358 |
|
|
*frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000;
|
| 4359 |
|
|
FPSCR_SET_FPRF(fpscr_rf_pos_normal_number);
|
| 4360 |
|
|
}
|
| 4361 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 1) {
|
| 4362 |
|
|
*frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000;
|
| 4363 |
|
|
FPSCR_SET_FPRF(fpscr_rf_neg_normal_number);
|
| 4364 |
|
|
}
|
| 4365 |
|
|
}
|
| 4366 |
|
|
if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) {
|
| 4367 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 0) {
|
| 4368 |
|
|
*frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000;
|
| 4369 |
|
|
FPSCR_SET_FPRF(fpscr_rf_pos_infinity);
|
| 4370 |
|
|
}
|
| 4371 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 1) {
|
| 4372 |
|
|
*frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000;
|
| 4373 |
|
|
FPSCR_SET_FPRF(fpscr_rf_neg_normal_number);
|
| 4374 |
|
|
}
|
| 4375 |
|
|
}
|
| 4376 |
|
|
if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) {
|
| 4377 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 0) {
|
| 4378 |
|
|
*frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000;
|
| 4379 |
|
|
FPSCR_SET_FPRF(fpscr_rf_pos_normal_number);
|
| 4380 |
|
|
}
|
| 4381 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 1) {
|
| 4382 |
|
|
*frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000;
|
| 4383 |
|
|
FPSCR_SET_FPRF(fpscr_rf_neg_infinity);
|
| 4384 |
|
|
}
|
| 4385 |
|
|
}
|
| 4386 |
|
|
/* FPSCR[FR] <- undefined */
|
| 4387 |
|
|
FPSCR_SET_FI(1);
|
| 4388 |
|
|
FPSCR_SET_XX(1);
|
| 4389 |
|
|
GOTO(Done);
|
| 4390 |
|
|
/**/
|
| 4391 |
|
|
LABEL(Enabled_Exponent_Overflow):
|
| 4392 |
|
|
sign = EXTRACTED64(*frB, 0, 0);
|
| 4393 |
|
|
exp = EXTRACTED64(*frB, 1, 11) - 1023;
|
| 4394 |
|
|
frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52);
|
| 4395 |
|
|
Round_Single(processor, sign, &exp, &frac_grx);
|
| 4396 |
|
|
FPSCR_SET_XX(FPSCR & fpscr_fi);
|
| 4397 |
|
|
/**/
|
| 4398 |
|
|
LABEL(Enabled_Overflow):
|
| 4399 |
|
|
FPSCR_SET_OX(1);
|
| 4400 |
|
|
exp = exp - 192;
|
| 4401 |
|
|
*frT = (INSERTED64(sign, 0, 0)
|
| 4402 |
|
|
| INSERTED64(exp + 1023, 1, 11)
|
| 4403 |
|
|
| INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63));
|
| 4404 |
|
|
if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number);
|
| 4405 |
|
|
if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number);
|
| 4406 |
|
|
GOTO(Done);
|
| 4407 |
|
|
/**/
|
| 4408 |
|
|
LABEL(Zero_Operand):
|
| 4409 |
|
|
*frT = *frB;
|
| 4410 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero);
|
| 4411 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero);
|
| 4412 |
|
|
FPSCR_SET_FR(0);
|
| 4413 |
|
|
FPSCR_SET_FI(0);
|
| 4414 |
|
|
GOTO(Done);
|
| 4415 |
|
|
/**/
|
| 4416 |
|
|
LABEL(Infinity_Operand):
|
| 4417 |
|
|
*frT = *frB;
|
| 4418 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_infinity);
|
| 4419 |
|
|
if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_infinity);
|
| 4420 |
|
|
FPSCR_SET_FR(0);
|
| 4421 |
|
|
FPSCR_SET_FI(0);
|
| 4422 |
|
|
GOTO(Done);
|
| 4423 |
|
|
/**/
|
| 4424 |
|
|
LABEL(QNaN_Operand):
|
| 4425 |
|
|
*frT = INSERTED64(EXTRACTED64(*frB, 0, 34), 0, 34);
|
| 4426 |
|
|
FPSCR_SET_FPRF(fpscr_rf_quiet_nan);
|
| 4427 |
|
|
FPSCR_SET_FR(0);
|
| 4428 |
|
|
FPSCR_SET_FI(0);
|
| 4429 |
|
|
GOTO(Done);
|
| 4430 |
|
|
/**/
|
| 4431 |
|
|
LABEL(SNaN_Operand):
|
| 4432 |
|
|
FPSCR_OR_VX(fpscr_vxsnan);
|
| 4433 |
|
|
if ((FPSCR & fpscr_ve) == 0) {
|
| 4434 |
|
|
*frT = (MASKED64(*frB, 0, 11)
|
| 4435 |
|
|
| BIT64(12)
|
| 4436 |
|
|
| MASKED64(*frB, 13, 34));
|
| 4437 |
|
|
FPSCR_SET_FPRF(fpscr_rf_quiet_nan);
|
| 4438 |
|
|
}
|
| 4439 |
|
|
FPSCR_SET_FR(0);
|
| 4440 |
|
|
FPSCR_SET_FI(0);
|
| 4441 |
|
|
GOTO(Done);
|
| 4442 |
|
|
/**/
|
| 4443 |
|
|
LABEL(Normal_Operand):
|
| 4444 |
|
|
sign = EXTRACTED64(*frB, 0, 0);
|
| 4445 |
|
|
exp = EXTRACTED64(*frB, 1, 11) - 1023;
|
| 4446 |
|
|
frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52);
|
| 4447 |
|
|
Round_Single(processor, sign, &exp, &frac_grx);
|
| 4448 |
|
|
FPSCR_SET_XX(FPSCR & fpscr_fi);
|
| 4449 |
|
|
if (exp > 127 && (FPSCR & fpscr_oe) == 0) GOTO(Disabled_Exponent_Overflow);
|
| 4450 |
|
|
if (exp > 127 && (FPSCR & fpscr_oe) != 0) GOTO(Enabled_Overflow);
|
| 4451 |
|
|
*frT = (INSERTED64(sign, 0, 0)
|
| 4452 |
|
|
| INSERTED64(exp + 1023, 1, 11)
|
| 4453 |
|
|
| INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63));
|
| 4454 |
|
|
if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number);
|
| 4455 |
|
|
if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number);
|
| 4456 |
|
|
GOTO(Done);
|
| 4457 |
|
|
/**/
|
| 4458 |
|
|
LABEL(Done):
|
| 4459 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc);
|
| 4460 |
|
|
|
| 4461 |
|
|
|
| 4462 |
|
|
0.63,6.FRT,11./,16.FRB,21.814,31.Rc:X:64,f::Floating Convert To Integer Doubleword
|
| 4463 |
|
|
floating_point_assist_interrupt(processor, cia);
|
| 4464 |
|
|
|
| 4465 |
|
|
0.63,6.FRT,11./,16.FRB,21.815,31.Rc:X:64,f::Floating Convert To Integer Doubleword with round towards Zero
|
| 4466 |
|
|
floating_point_assist_interrupt(processor, cia);
|
| 4467 |
|
|
|
| 4468 |
|
|
0.63,6.FRT,11./,16.FRB,21.14,31.Rc:X:f::Floating Convert To Integer Word
|
| 4469 |
|
|
floating_point_assist_interrupt(processor, cia);
|
| 4470 |
|
|
|
| 4471 |
|
|
0.63,6.FRT,11./,16.FRB,21.15,31.Rc:X:f:fctiwz:Floating Convert To Integer Word with round towards Zero
|
| 4472 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 4473 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4474 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4475 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4476 |
|
|
FPSCR_BEGIN;
|
| 4477 |
|
|
convert_to_integer(processor, cia,
|
| 4478 |
|
|
frT, *frB,
|
| 4479 |
|
|
fpscr_rn_round_towards_zero, 32);
|
| 4480 |
|
|
FPSCR_END(Rc);
|
| 4481 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc);
|
| 4482 |
|
|
|
| 4483 |
|
|
0.63,6.FRT,11./,16.FRB,21.846,31.Rc:X:64,f::Floating Convert from Integer Doubleword
|
| 4484 |
|
|
int sign = EXTRACTED64(*frB, 0, 0);
|
| 4485 |
|
|
int exp = 63;
|
| 4486 |
|
|
unsigned64 frac = *frB;
|
| 4487 |
|
|
/***/
|
| 4488 |
|
|
if (frac == 0) GOTO(Zero_Operand);
|
| 4489 |
|
|
if (sign == 1) frac = ~frac + 1;
|
| 4490 |
|
|
while (EXTRACTED64(frac, 0, 0) == 0) {
|
| 4491 |
|
|
/*??? do the loop 0 times if (FRB) = max negative integer */
|
| 4492 |
|
|
frac = INSERTED64(EXTRACTED64(frac, 1, 63), 0, 62);
|
| 4493 |
|
|
exp = exp - 1;
|
| 4494 |
|
|
}
|
| 4495 |
|
|
Round_Float(processor, sign, &exp, &frac, FPSCR & fpscr_rn);
|
| 4496 |
|
|
if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number);
|
| 4497 |
|
|
if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number);
|
| 4498 |
|
|
*frT = (INSERTED64(sign, 0, 0)
|
| 4499 |
|
|
| INSERTED64(exp + 1023, 1, 11)
|
| 4500 |
|
|
| INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63));
|
| 4501 |
|
|
GOTO(Done);
|
| 4502 |
|
|
/**/
|
| 4503 |
|
|
LABEL(Zero_Operand):
|
| 4504 |
|
|
FPSCR_SET_FR(0);
|
| 4505 |
|
|
FPSCR_SET_FI(0);
|
| 4506 |
|
|
FPSCR_SET_FPRF(fpscr_rf_pos_zero);
|
| 4507 |
|
|
*frT = 0;
|
| 4508 |
|
|
GOTO(Done);
|
| 4509 |
|
|
/**/
|
| 4510 |
|
|
LABEL(Done):
|
| 4511 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc);
|
| 4512 |
|
|
|
| 4513 |
|
|
|
| 4514 |
|
|
#
|
| 4515 |
|
|
# I.4.6.7 Floating-Point Compare Instructions
|
| 4516 |
|
|
#
|
| 4517 |
|
|
|
| 4518 |
|
|
0.63,6.BF,9./,11.FRA,16.FRB,21.0,31./:X:f:fcmpu:Floating Compare Unordered
|
| 4519 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 4520 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4521 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4522 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4523 |
|
|
FPSCR_BEGIN;
|
| 4524 |
|
|
unsigned c;
|
| 4525 |
|
|
if (is_NaN(*frA, 0) || is_NaN(*frB, 0))
|
| 4526 |
|
|
c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */
|
| 4527 |
|
|
else if (is_less_than(frA, frB))
|
| 4528 |
|
|
c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */
|
| 4529 |
|
|
else if (is_greater_than(frA, frB))
|
| 4530 |
|
|
c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */
|
| 4531 |
|
|
else
|
| 4532 |
|
|
c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */
|
| 4533 |
|
|
FPSCR_SET_FPCC(c);
|
| 4534 |
|
|
CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */
|
| 4535 |
|
|
if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0))
|
| 4536 |
|
|
FPSCR_OR_VX(fpscr_vxsnan);
|
| 4537 |
|
|
FPSCR_END(0);
|
| 4538 |
|
|
PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK);
|
| 4539 |
|
|
|
| 4540 |
|
|
0.63,6.BF,9./,11.FRA,16.FRB,21.32,31./:X:f:fcmpo:Floating Compare Ordered
|
| 4541 |
|
|
*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0
|
| 4542 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4543 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4544 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4545 |
|
|
FPSCR_BEGIN;
|
| 4546 |
|
|
unsigned c;
|
| 4547 |
|
|
if (is_NaN(*frA, 0) || is_NaN(*frB, 0))
|
| 4548 |
|
|
c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */
|
| 4549 |
|
|
else if (is_less_than(frA, frB))
|
| 4550 |
|
|
c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */
|
| 4551 |
|
|
else if (is_greater_than(frA, frB))
|
| 4552 |
|
|
c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */
|
| 4553 |
|
|
else
|
| 4554 |
|
|
c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */
|
| 4555 |
|
|
FPSCR_SET_FPCC(c);
|
| 4556 |
|
|
CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */
|
| 4557 |
|
|
if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0)) {
|
| 4558 |
|
|
FPSCR_OR_VX(fpscr_vxsnan);
|
| 4559 |
|
|
if ((FPSCR & fpscr_ve) == 0)
|
| 4560 |
|
|
FPSCR_OR_VX(fpscr_vxvc);
|
| 4561 |
|
|
}
|
| 4562 |
|
|
else if (is_QNaN(*frA, 0) || is_QNaN(*frB, 0)) {
|
| 4563 |
|
|
FPSCR_OR_VX(fpscr_vxvc);
|
| 4564 |
|
|
}
|
| 4565 |
|
|
FPSCR_END(0);
|
| 4566 |
|
|
PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK);
|
| 4567 |
|
|
|
| 4568 |
|
|
|
| 4569 |
|
|
#
|
| 4570 |
|
|
# I.4.6.8 Floating-Point Status and Control Register Instructions
|
| 4571 |
|
|
#
|
| 4572 |
|
|
|
| 4573 |
|
|
0.63,6.FRT,11./,16./,21.583,31.Rc:X:f::Move From FPSCR
|
| 4574 |
|
|
FPSCR_BEGIN;
|
| 4575 |
|
|
*frT = FPSCR;
|
| 4576 |
|
|
FPSCR_END(Rc);
|
| 4577 |
|
|
|
| 4578 |
|
|
0.63,6.BF,9./,11.BFA,14./,16./,21.64,31./:X:f::Move to Condition Register from FPSCR
|
| 4579 |
|
|
FPSCR_BEGIN;
|
| 4580 |
|
|
unsigned field = FPSCR_FIELD(BFA);
|
| 4581 |
|
|
CR_SET(BF, field);
|
| 4582 |
|
|
FPSCR_SET(BFA, 0); /* FPSCR_END fixes up FEX/VX */
|
| 4583 |
|
|
FPSCR_END(0);
|
| 4584 |
|
|
|
| 4585 |
|
|
0.64,6.BF,9./,11./,16.U,20./,21.134,31.Rc:X:f::Move To FPSCR Field Immediate
|
| 4586 |
|
|
FPSCR_BEGIN;
|
| 4587 |
|
|
FPSCR_SET(BF, U);
|
| 4588 |
|
|
FPSCR_END(Rc);
|
| 4589 |
|
|
|
| 4590 |
|
|
0.63,6./,7.FLM,15./,16.FRB,21.711,31.Rc:XFL:f::Move To FPSCR Fields
|
| 4591 |
|
|
FPSCR_BEGIN;
|
| 4592 |
|
|
int i;
|
| 4593 |
|
|
for (i = 0; i < 8; i++) {
|
| 4594 |
|
|
if ((FLM & BIT8(i))) {
|
| 4595 |
|
|
FPSCR &= ~MASK32(i*4, i*4+3);
|
| 4596 |
|
|
FPSCR |= MASKED32(*frB, i*4, i*4+3);
|
| 4597 |
|
|
}
|
| 4598 |
|
|
}
|
| 4599 |
|
|
FPSCR_END(Rc);
|
| 4600 |
|
|
|
| 4601 |
|
|
0.63,6.BT,11./,16./,21.70,31.Rc:X:f::Move To FPSCR Bit 0
|
| 4602 |
|
|
FPSCR_BEGIN;
|
| 4603 |
|
|
unsigned32 bit = BIT32(BT);
|
| 4604 |
|
|
FPSCR &= ~bit;
|
| 4605 |
|
|
FPSCR_END(Rc);
|
| 4606 |
|
|
|
| 4607 |
|
|
0.63,6.BT,11./,16./,21.38,31.Rc:X:f::Move To FPSCR Bit 1
|
| 4608 |
|
|
FPSCR_BEGIN;
|
| 4609 |
|
|
unsigned32 bit = BIT32(BT);
|
| 4610 |
|
|
if (bit & fpscr_fi)
|
| 4611 |
|
|
bit |= fpscr_xx;
|
| 4612 |
|
|
if ((bit & fpscr_vx_bits))
|
| 4613 |
|
|
bit |= fpscr_fx;
|
| 4614 |
|
|
/* note - omit vx bit */
|
| 4615 |
|
|
if ((bit & (fpscr_ox | fpscr_ux | fpscr_zx | fpscr_xx)))
|
| 4616 |
|
|
bit |= fpscr_fx;
|
| 4617 |
|
|
FPSCR |= bit;
|
| 4618 |
|
|
FPSCR_END(Rc);
|
| 4619 |
|
|
|
| 4620 |
|
|
|
| 4621 |
|
|
#
|
| 4622 |
|
|
# I.A.1.1 Floating-Point Store Instruction
|
| 4623 |
|
|
#
|
| 4624 |
|
|
0.31,6.FRS,11.RA,16.RB,21.983,31./:X:f,o::Store Floating-Point as Integer Word Indexed
|
| 4625 |
|
|
program_interrupt(processor, cia, optional_instruction_program_interrupt);
|
| 4626 |
|
|
|
| 4627 |
|
|
#
|
| 4628 |
|
|
# I.A.1.2 Floating-Point Arithmetic Instructions
|
| 4629 |
|
|
#
|
| 4630 |
|
|
|
| 4631 |
|
|
0.63,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f,o::Floating Square Root
|
| 4632 |
|
|
program_interrupt(processor, cia, optional_instruction_program_interrupt);
|
| 4633 |
|
|
|
| 4634 |
|
|
0.59,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f,o::Floating Square Root Single
|
| 4635 |
|
|
program_interrupt(processor, cia, optional_instruction_program_interrupt);
|
| 4636 |
|
|
|
| 4637 |
|
|
0.59,6.FRT,11./,16.FRB,21./,26.24,31.Rc:A:f,o::Floating Reciprocal Estimate Single
|
| 4638 |
|
|
program_interrupt(processor, cia, optional_instruction_program_interrupt);
|
| 4639 |
|
|
|
| 4640 |
|
|
0.63,6.FRT,11./,16.FRB,21./,26.26,31.Rc:A:f,o::Floating Reciprocal Square Root Estimate
|
| 4641 |
|
|
program_interrupt(processor, cia, optional_instruction_program_interrupt);
|
| 4642 |
|
|
|
| 4643 |
|
|
#
|
| 4644 |
|
|
# I.A.1.3 Floating-Point Select Instruction
|
| 4645 |
|
|
#
|
| 4646 |
|
|
|
| 4647 |
|
|
0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.23,31.Rc:A:f,o::Floating Select
|
| 4648 |
|
|
*601: PPC_UNIT_BAD, PPC_UNIT_BAD, 0, 0, 0
|
| 4649 |
|
|
*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4650 |
|
|
*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4651 |
|
|
*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0
|
| 4652 |
|
|
if (CURRENT_MODEL == MODEL_ppc601) {
|
| 4653 |
|
|
program_interrupt(processor, cia, optional_instruction_program_interrupt);
|
| 4654 |
|
|
} else {
|
| 4655 |
|
|
unsigned64 zero = 0;
|
| 4656 |
|
|
FPSCR_BEGIN;
|
| 4657 |
|
|
if (is_NaN(*frA, 0) || is_less_than (frA, &zero)) *frT = *frB;
|
| 4658 |
|
|
else *frT = *frC;
|
| 4659 |
|
|
FPSCR_END(Rc);
|
| 4660 |
|
|
PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc);
|
| 4661 |
|
|
}
|
| 4662 |
|
|
|
| 4663 |
|
|
#
|
| 4664 |
|
|
# II.3.2 Cache Management Instructions
|
| 4665 |
|
|
#
|
| 4666 |
|
|
|
| 4667 |
|
|
0.31,6./,11.RA,16.RB,21.982,31./:X::icbi:Instruction Cache Block Invalidate
|
| 4668 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4669 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 4670 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 4671 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0
|
| 4672 |
|
|
/* blindly flush all instruction cache entries */
|
| 4673 |
|
|
#if WITH_IDECODE_CACHE_SIZE
|
| 4674 |
|
|
cpu_flush_icache(processor);
|
| 4675 |
|
|
#endif
|
| 4676 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0);
|
| 4677 |
|
|
|
| 4678 |
|
|
0.19,6./,11./,16./,21.150,31./:XL::isync:Instruction Synchronize
|
| 4679 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4680 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 4681 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 4682 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0
|
| 4683 |
|
|
cpu_synchronize_context(processor, cia);
|
| 4684 |
|
|
PPC_INSN_INT(0, 0, 0);
|
| 4685 |
|
|
|
| 4686 |
|
|
|
| 4687 |
|
|
#
|
| 4688 |
|
|
# II.3.2.2 Data Cache Instructions
|
| 4689 |
|
|
#
|
| 4690 |
|
|
|
| 4691 |
|
|
0.31,6./,11.RA,16.RB,21.278,31./:X:::Data Cache Block Touch
|
| 4692 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4693 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0
|
| 4694 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0
|
| 4695 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0
|
| 4696 |
|
|
TRACE(trace_tbd,("Data Cache Block Touch\n"));
|
| 4697 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/);
|
| 4698 |
|
|
|
| 4699 |
|
|
0.31,6./,11.RA,16.RB,21.246,31./:X:::Data Cache Block Touch for Store
|
| 4700 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4701 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0
|
| 4702 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0
|
| 4703 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 4704 |
|
|
TRACE(trace_tbd,("Data Cache Block Touch for Store\n"));
|
| 4705 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/);
|
| 4706 |
|
|
|
| 4707 |
|
|
0.31,6./,11.RA,16.RB,21.1014,31./:X:::Data Cache Block set to Zero
|
| 4708 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4709 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0
|
| 4710 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0
|
| 4711 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 4712 |
|
|
TRACE(trace_tbd,("Data Cache Block set to Zero\n"));
|
| 4713 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/);
|
| 4714 |
|
|
|
| 4715 |
|
|
0.31,6./,11.RA,16.RB,21.54,31./:X:::Data Cache Block Store
|
| 4716 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4717 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0
|
| 4718 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0
|
| 4719 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0
|
| 4720 |
|
|
TRACE(trace_tbd,("Data Cache Block Store\n"));
|
| 4721 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/);
|
| 4722 |
|
|
|
| 4723 |
|
|
0.31,6./,11.RA,16.RB,21.86,31./:X:::Data Cache Block Flush
|
| 4724 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4725 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0
|
| 4726 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0
|
| 4727 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0
|
| 4728 |
|
|
TRACE(trace_tbd,("Data Cache Block Flush\n"));
|
| 4729 |
|
|
PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/);
|
| 4730 |
|
|
|
| 4731 |
|
|
#
|
| 4732 |
|
|
# II.3.3 Enforce In-order Execution of I/O Instruction
|
| 4733 |
|
|
#
|
| 4734 |
|
|
|
| 4735 |
|
|
0.31,6./,11./,16./,21.854,31./:X::eieio:Enforce In-order Execution of I/O
|
| 4736 |
|
|
/* Since this model has no instruction overlap
|
| 4737 |
|
|
this instruction need do nothing */
|
| 4738 |
|
|
|
| 4739 |
|
|
#
|
| 4740 |
|
|
# II.4.1 Time Base Instructions
|
| 4741 |
|
|
#
|
| 4742 |
|
|
|
| 4743 |
|
|
0.31,6.RT,11.tbr,21.371,31./:XFX::mftb:Move From Time Base
|
| 4744 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 4745 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 4746 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0
|
| 4747 |
|
|
int n = (tbr{5:9} << 5) | tbr{0:4};
|
| 4748 |
|
|
if (n == 268) {
|
| 4749 |
|
|
if (is_64bit_implementation) *rT = TB;
|
| 4750 |
|
|
else *rT = EXTRACTED64(TB, 32, 63);
|
| 4751 |
|
|
}
|
| 4752 |
|
|
else if (n == 269) {
|
| 4753 |
|
|
if (is_64bit_implementation) *rT = EXTRACTED64(TB, 0, 31);
|
| 4754 |
|
|
else *rT = EXTRACTED64(TB, 0, 31);
|
| 4755 |
|
|
}
|
| 4756 |
|
|
else
|
| 4757 |
|
|
program_interrupt(processor, cia,
|
| 4758 |
|
|
illegal_instruction_program_interrupt);
|
| 4759 |
|
|
|
| 4760 |
|
|
|
| 4761 |
|
|
#
|
| 4762 |
|
|
# III.2.3.1 System Linkage Instructions
|
| 4763 |
|
|
#
|
| 4764 |
|
|
|
| 4765 |
|
|
0.19,6./,11./,16./,21.50,31./:XL::rfi:Return From Interrupt
|
| 4766 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4767 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0
|
| 4768 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0
|
| 4769 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0
|
| 4770 |
|
|
if (IS_PROBLEM_STATE(processor)) {
|
| 4771 |
|
|
program_interrupt(processor, cia,
|
| 4772 |
|
|
privileged_instruction_program_interrupt);
|
| 4773 |
|
|
}
|
| 4774 |
|
|
else {
|
| 4775 |
|
|
MSR = (MASKED(SRR1, 0, 32)
|
| 4776 |
|
|
| MASKED(SRR1, 37, 41)
|
| 4777 |
|
|
| MASKED(SRR1, 48, 63));
|
| 4778 |
|
|
NIA = MASKED(SRR0, 0, 61);
|
| 4779 |
|
|
cpu_synchronize_context(processor, cia);
|
| 4780 |
|
|
check_masked_interrupts(processor);
|
| 4781 |
|
|
}
|
| 4782 |
|
|
|
| 4783 |
|
|
#
|
| 4784 |
|
|
# III.3.4.1 Move to/from System Register Instructions
|
| 4785 |
|
|
#
|
| 4786 |
|
|
|
| 4787 |
|
|
#0.31,6.RS,11.SPR,21.467,31./:XFX:::Move To Special Purpose Register
|
| 4788 |
|
|
#0.31,6.RT,11.SPR,21.339,31./:XFX:::Move From Special Purpose Register
|
| 4789 |
|
|
0.31,6.RS,11./,16./,21.146,31./:X:::Move To Machine State Register
|
| 4790 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4791 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0
|
| 4792 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0
|
| 4793 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0
|
| 4794 |
|
|
if (IS_PROBLEM_STATE(processor))
|
| 4795 |
|
|
program_interrupt(processor, cia,
|
| 4796 |
|
|
privileged_instruction_program_interrupt);
|
| 4797 |
|
|
else {
|
| 4798 |
|
|
MSR = *rS;
|
| 4799 |
|
|
check_masked_interrupts(processor);
|
| 4800 |
|
|
}
|
| 4801 |
|
|
|
| 4802 |
|
|
0.31,6.RT,11./,16./,21.83,31./:X:::Move From Machine State Register
|
| 4803 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4804 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 4805 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0
|
| 4806 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0
|
| 4807 |
|
|
if (IS_PROBLEM_STATE(processor))
|
| 4808 |
|
|
program_interrupt(processor, cia,
|
| 4809 |
|
|
privileged_instruction_program_interrupt);
|
| 4810 |
|
|
else {
|
| 4811 |
|
|
*rT = MSR;
|
| 4812 |
|
|
check_masked_interrupts(processor);
|
| 4813 |
|
|
}
|
| 4814 |
|
|
|
| 4815 |
|
|
|
| 4816 |
|
|
#
|
| 4817 |
|
|
# III.4.11.1 Cache Management Instructions
|
| 4818 |
|
|
#
|
| 4819 |
|
|
|
| 4820 |
|
|
0.31,6./,11.RA,16.RB,21.470,31./:X::dcbi:Data Cache Block Invalidate
|
| 4821 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4822 |
|
|
*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0
|
| 4823 |
|
|
*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0
|
| 4824 |
|
|
*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0
|
| 4825 |
|
|
if (IS_PROBLEM_STATE(processor))
|
| 4826 |
|
|
program_interrupt(processor, cia,
|
| 4827 |
|
|
privileged_instruction_program_interrupt);
|
| 4828 |
|
|
else
|
| 4829 |
|
|
TRACE(trace_tbd,("Data Cache Block Invalidate\n"));
|
| 4830 |
|
|
|
| 4831 |
|
|
#
|
| 4832 |
|
|
# III.4.11.2 Segment Register Manipulation Instructions
|
| 4833 |
|
|
#
|
| 4834 |
|
|
|
| 4835 |
|
|
0.31,6.RS,11./,12.SR,16./,21.210,31./:X:32:mtsr %SR,%RS:Move To Segment Register
|
| 4836 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4837 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0
|
| 4838 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0
|
| 4839 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0
|
| 4840 |
|
|
if (IS_PROBLEM_STATE(processor))
|
| 4841 |
|
|
program_interrupt(processor, cia,
|
| 4842 |
|
|
privileged_instruction_program_interrupt);
|
| 4843 |
|
|
else
|
| 4844 |
|
|
SEGREG(SR) = *rS;
|
| 4845 |
|
|
|
| 4846 |
|
|
0.31,6.RS,11./,16.RB,21.242,31./:X:32:mtsrin %RS,%RB:Move To Segment Register Indirect
|
| 4847 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0
|
| 4848 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0
|
| 4849 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0
|
| 4850 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0
|
| 4851 |
|
|
if (IS_PROBLEM_STATE(processor))
|
| 4852 |
|
|
program_interrupt(processor, cia,
|
| 4853 |
|
|
privileged_instruction_program_interrupt);
|
| 4854 |
|
|
else
|
| 4855 |
|
|
SEGREG(EXTRACTED32(*rB, 0, 3)) = *rS;
|
| 4856 |
|
|
|
| 4857 |
|
|
0.31,6.RT,11./,12.SR,16./,21.595,31./:X:32:mfsr %RT,%RS:Move From Segment Register
|
| 4858 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0
|
| 4859 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0
|
| 4860 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0
|
| 4861 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0
|
| 4862 |
|
|
if (IS_PROBLEM_STATE(processor))
|
| 4863 |
|
|
program_interrupt(processor, cia,
|
| 4864 |
|
|
privileged_instruction_program_interrupt);
|
| 4865 |
|
|
else
|
| 4866 |
|
|
*rT = SEGREG(SR);
|
| 4867 |
|
|
|
| 4868 |
|
|
0.31,6.RT,11./,16.RB,21.659,31./:X:32:mfsrin %RT,%RB:Move From Segment Register Indirect
|
| 4869 |
|
|
*601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0
|
| 4870 |
|
|
*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0
|
| 4871 |
|
|
*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0
|
| 4872 |
|
|
*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0
|
| 4873 |
|
|
if (IS_PROBLEM_STATE(processor))
|
| 4874 |
|
|
program_interrupt(processor, cia,
|
| 4875 |
|
|
privileged_instruction_program_interrupt);
|
| 4876 |
|
|
else
|
| 4877 |
|
|
*rT = SEGREG(EXTRACTED32(*rB, 0, 3));
|
| 4878 |
|
|
|
| 4879 |
|
|
|
| 4880 |
|
|
#
|
| 4881 |
|
|
# III.4.11.3 Lookaside Buffer Management Instructions (Optional)
|
| 4882 |
|
|
#
|
| 4883 |
|
|
|
| 4884 |
|
|
0.31,6./,11./,16.RB,21.434,31./:X:64::SLB Invalidate Entry
|
| 4885 |
|
|
|
| 4886 |
|
|
0.31,6./,11./,16./,21.498,31./:X:64::SLB Invalidate All
|
| 4887 |
|
|
|
| 4888 |
|
|
0.31,6./,11./,16.RB,21.306,31./:X:::TLB Invalidate Entry
|
| 4889 |
|
|
if (IS_PROBLEM_STATE(processor))
|
| 4890 |
|
|
program_interrupt(processor, cia,
|
| 4891 |
|
|
privileged_instruction_program_interrupt);
|
| 4892 |
|
|
else {
|
| 4893 |
|
|
int nr = 0;
|
| 4894 |
|
|
cpu *proc;
|
| 4895 |
|
|
while (1) {
|
| 4896 |
|
|
proc = psim_cpu(cpu_system(processor), nr);
|
| 4897 |
|
|
if (proc == NULL) break;
|
| 4898 |
|
|
cpu_page_tlb_invalidate_entry(proc, *rB);
|
| 4899 |
|
|
nr++;
|
| 4900 |
|
|
}
|
| 4901 |
|
|
}
|
| 4902 |
|
|
|
| 4903 |
|
|
0.31,6./,11./,16./,21.370,31./:X:::TLB Invalidate All
|
| 4904 |
|
|
if (IS_PROBLEM_STATE(processor))
|
| 4905 |
|
|
program_interrupt(processor, cia,
|
| 4906 |
|
|
privileged_instruction_program_interrupt);
|
| 4907 |
|
|
else {
|
| 4908 |
|
|
int nr = 0;
|
| 4909 |
|
|
cpu *proc;
|
| 4910 |
|
|
while (1) {
|
| 4911 |
|
|
proc = psim_cpu(cpu_system(processor), nr);
|
| 4912 |
|
|
if (proc == NULL) break;
|
| 4913 |
|
|
cpu_page_tlb_invalidate_all(proc);
|
| 4914 |
|
|
nr++;
|
| 4915 |
|
|
}
|
| 4916 |
|
|
}
|
| 4917 |
|
|
|
| 4918 |
|
|
0.31,6./,11./,16./,21.566,31./:X:::TLB Synchronize
|
| 4919 |
|
|
/* nothing happens here - always in sync */
|
| 4920 |
|
|
|
| 4921 |
|
|
#
|
| 4922 |
|
|
# III.A.1.2 External Access Instructions
|
| 4923 |
|
|
#
|
| 4924 |
|
|
|
| 4925 |
|
|
0.31,6.RT,11.RA,16.RB,21.310,31./:X:earwax::External Control In Word Indexed
|
| 4926 |
|
|
|
| 4927 |
|
|
0.31,6.RS,11.RA,16.RB,21.438,31./:X:earwax::External Control Out Word Indexed
|
