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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-ppc64/] [processor.h] - Blame information for rev 1774

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1 1275 phoenix 
#ifndef __ASM_PPC64_PROCESSOR_H
2 
#define __ASM_PPC64_PROCESSOR_H
3 
 
4 
/*
5 
 * Copyright (C) 2001 PPC 64 Team, IBM Corp
6 
 *
7 
 * This program is free software; you can redistribute it and/or
8 
 * modify it under the terms of the GNU General Public License
9 
 * as published by the Free Software Foundation; either version
10 
 * 2 of the License, or (at your option) any later version.
11 
 */
12 
 
13 
#include <linux/stringify.h>
14 
#ifndef __ASSEMBLY__
15 
#include <asm/atomic.h>
16 
#include <asm/ppcdebug.h>
17 
#include <asm/a.out.h>
18 
#endif
19 
#include <asm/ptrace.h>
20 
#include <asm/types.h>
21 
#include <asm/delay.h>
22 
 
23 
/*
24 
 * Default implementation of macro that returns current
25 
 * instruction pointer ("program counter").
26 
 */
27 
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
28 
 
29 
/* Machine State Register (MSR) Fields */
30 
#define MSR_SF_LG       63              /* Enable 64 bit mode */
31 
#define MSR_ISF_LG      61              /* Interrupt 64b mode valid on 630 */
32 
#define MSR_HV_LG       60              /* Hypervisor state */
33 
#define MSR_VEC_LG      25              /* Enable AltiVec */
34 
#define MSR_POW_LG      18              /* Enable Power Management */
35 
#define MSR_WE_LG       18              /* Wait State Enable */
36 
#define MSR_TGPR_LG     17              /* TLB Update registers in use */
37 
#define MSR_CE_LG       17              /* Critical Interrupt Enable */
38 
#define MSR_ILE_LG      16              /* Interrupt Little Endian */
39 
#define MSR_EE_LG       15              /* External Interrupt Enable */
40 
#define MSR_PR_LG       14              /* Problem State / Privilege Level */
41 
#define MSR_FP_LG       13              /* Floating Point enable */
42 
#define MSR_ME_LG       12              /* Machine Check Enable */
43 
#define MSR_FE0_LG      11              /* Floating Exception mode 0 */
44 
#define MSR_SE_LG       10              /* Single Step */
45 
#define MSR_BE_LG       9               /* Branch Trace */
46 
#define MSR_DE_LG       9               /* Debug Exception Enable */
47 
#define MSR_FE1_LG      8               /* Floating Exception mode 1 */
48 
#define MSR_IP_LG       6               /* Exception prefix 0x000/0xFFF */
49 
#define MSR_IR_LG       5               /* Instruction Relocate */
50 
#define MSR_DR_LG       4               /* Data Relocate */
51 
#define MSR_PE_LG       3               /* Protection Enable */
52 
#define MSR_PX_LG       2               /* Protection Exclusive Mode */
53 
#define MSR_RI_LG       1               /* Recoverable Exception */
54 
#define MSR_LE_LG       0               /* Little Endian */
55 
 
56 
#ifdef __ASSEMBLY__
57 
#define __MASK(X)       (1<<(X))
58 
#else
59 
#define __MASK(X)       (1UL<<(X))
60 
#endif
61 
 
62 
#define MSR_SF          __MASK(MSR_SF_LG)       /* Enable 64 bit mode */
63 
#define MSR_ISF         __MASK(MSR_ISF_LG)      /* Interrupt 64b mode valid on 630 */
64 
#define MSR_HV          __MASK(MSR_HV_LG)       /* Hypervisor state */
65 
#define MSR_VEC         __MASK(MSR_VEC_LG)      /* Enable AltiVec */
66 
#define MSR_POW         __MASK(MSR_POW_LG)      /* Enable Power Management */
67 
#define MSR_WE          __MASK(MSR_WE_LG)       /* Wait State Enable */
68 
#define MSR_TGPR        __MASK(MSR_TGPR_LG)     /* TLB Update registers in use */
69 
#define MSR_CE          __MASK(MSR_CE_LG)       /* Critical Interrupt Enable */
70 
#define MSR_ILE         __MASK(MSR_ILE_LG)      /* Interrupt Little Endian */
71 
#define MSR_EE          __MASK(MSR_EE_LG)       /* External Interrupt Enable */
72 
#define MSR_PR          __MASK(MSR_PR_LG)       /* Problem State / Privilege Level */
73 
#define MSR_FP          __MASK(MSR_FP_LG)       /* Floating Point enable */
74 
#define MSR_ME          __MASK(MSR_ME_LG)       /* Machine Check Enable */
75 
#define MSR_FE0         __MASK(MSR_FE0_LG)      /* Floating Exception mode 0 */
76 
#define MSR_SE          __MASK(MSR_SE_LG)       /* Single Step */
77 
#define MSR_BE          __MASK(MSR_BE_LG)       /* Branch Trace */
78 
#define MSR_DE          __MASK(MSR_DE_LG)       /* Debug Exception Enable */
79 
#define MSR_FE1         __MASK(MSR_FE1_LG)      /* Floating Exception mode 1 */
80 
#define MSR_IP          __MASK(MSR_IP_LG)       /* Exception prefix 0x000/0xFFF */
81 
#define MSR_IR          __MASK(MSR_IR_LG)       /* Instruction Relocate */
82 
#define MSR_DR          __MASK(MSR_DR_LG)       /* Data Relocate */
83 
#define MSR_PE          __MASK(MSR_PE_LG)       /* Protection Enable */
84 
#define MSR_PX          __MASK(MSR_PX_LG)       /* Protection Exclusive Mode */
85 
#define MSR_RI          __MASK(MSR_RI_LG)       /* Recoverable Exception */
86 
#define MSR_LE          __MASK(MSR_LE_LG)       /* Little Endian */
87 
 
88 
#define MSR_            MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF
89 
#define MSR_KERNEL      MSR_ | MSR_SF | MSR_HV
90 
 
91 
#define MSR_USER32      MSR_ | MSR_PR | MSR_EE
92 
#define MSR_USER64      MSR_USER32 | MSR_SF
93 
 
94 
/* Floating Point Status and Control Register (FPSCR) Fields */
95 
 
96 
#define FPSCR_FX        0x80000000      /* FPU exception summary */
97 
#define FPSCR_FEX       0x40000000      /* FPU enabled exception summary */
98 
#define FPSCR_VX        0x20000000      /* Invalid operation summary */
99 
#define FPSCR_OX        0x10000000      /* Overflow exception summary */
100 
#define FPSCR_UX        0x08000000      /* Underflow exception summary */
101 
#define FPSCR_ZX        0x04000000      /* Zero-divide exception summary */
102 
#define FPSCR_XX        0x02000000      /* Inexact exception summary */
103 
#define FPSCR_VXSNAN    0x01000000      /* Invalid op for SNaN */
104 
#define FPSCR_VXISI     0x00800000      /* Invalid op for Inv - Inv */
105 
#define FPSCR_VXIDI     0x00400000      /* Invalid op for Inv / Inv */
106 
#define FPSCR_VXZDZ     0x00200000      /* Invalid op for Zero / Zero */
107 
#define FPSCR_VXIMZ     0x00100000      /* Invalid op for Inv * Zero */
108 
#define FPSCR_VXVC      0x00080000      /* Invalid op for Compare */
109 
#define FPSCR_FR        0x00040000      /* Fraction rounded */
110 
#define FPSCR_FI        0x00020000      /* Fraction inexact */
111 
#define FPSCR_FPRF      0x0001f000      /* FPU Result Flags */
112 
#define FPSCR_FPCC      0x0000f000      /* FPU Condition Codes */
113 
#define FPSCR_VXSOFT    0x00000400      /* Invalid op for software request */
114 
#define FPSCR_VXSQRT    0x00000200      /* Invalid op for square root */
115 
#define FPSCR_VXCVI     0x00000100      /* Invalid op for integer convert */
116 
#define FPSCR_VE        0x00000080      /* Invalid op exception enable */
117 
#define FPSCR_OE        0x00000040      /* IEEE overflow exception enable */
118 
#define FPSCR_UE        0x00000020      /* IEEE underflow exception enable */
119 
#define FPSCR_ZE        0x00000010      /* IEEE zero divide exception enable */
120 
#define FPSCR_XE        0x00000008      /* FP inexact exception enable */
121 
#define FPSCR_NI        0x00000004      /* FPU non IEEE-Mode */
122 
#define FPSCR_RN        0x00000003      /* FPU rounding control */
123 
 
124 
/* Special Purpose Registers (SPRNs)*/
125 
 
126 
#define SPRN_CDBCR      0x3D7   /* Cache Debug Control Register */
127 
#define SPRN_CTR        0x009   /* Count Register */
128 
#define SPRN_DABR       0x3F5   /* Data Address Breakpoint Register */
129 
#define SPRN_DAC1       0x3F6   /* Data Address Compare 1 */
130 
#define SPRN_DAC2       0x3F7   /* Data Address Compare 2 */
131 
#define SPRN_DAR        0x013   /* Data Address Register */
132 
#define SPRN_DBAT0L     0x219   /* Data BAT 0 Lower Register */
133 
#define SPRN_DBAT0U     0x218   /* Data BAT 0 Upper Register */
134 
#define SPRN_DBAT1L     0x21B   /* Data BAT 1 Lower Register */
135 
#define SPRN_DBAT1U     0x21A   /* Data BAT 1 Upper Register */
136 
#define SPRN_DBAT2L     0x21D   /* Data BAT 2 Lower Register */
137 
#define SPRN_DBAT2U     0x21C   /* Data BAT 2 Upper Register */
138 
#define SPRN_DBAT3L     0x21F   /* Data BAT 3 Lower Register */
139 
#define SPRN_DBAT3U     0x21E   /* Data BAT 3 Upper Register */
140 
#define SPRN_DBCR       0x3F2   /* Debug Control Register */
141 
#define   DBCR_EDM      0x80000000
142 
#define   DBCR_IDM      0x40000000
143 
#define   DBCR_RST(x)   (((x) & 0x3) << 28)
144 
#define     DBCR_RST_NONE               0
145 
#define     DBCR_RST_CORE               1
146 
#define     DBCR_RST_CHIP               2
147 
#define     DBCR_RST_SYSTEM             3
148 
#define   DBCR_IC       0x08000000      /* Instruction Completion Debug Evnt */
149 
#define   DBCR_BT       0x04000000      /* Branch Taken Debug Event */
150 
#define   DBCR_EDE      0x02000000      /* Exception Debug Event */
151 
#define   DBCR_TDE      0x01000000      /* TRAP Debug Event */
152 
#define   DBCR_FER      0x00F80000      /* First Events Remaining Mask */
153 
#define   DBCR_FT       0x00040000      /* Freeze Timers on Debug Event */
154 
#define   DBCR_IA1      0x00020000      /* Instr. Addr. Compare 1 Enable */
155 
#define   DBCR_IA2      0x00010000      /* Instr. Addr. Compare 2 Enable */
156 
#define   DBCR_D1R      0x00008000      /* Data Addr. Compare 1 Read Enable */
157 
#define   DBCR_D1W      0x00004000      /* Data Addr. Compare 1 Write Enable */
158 
#define   DBCR_D1S(x)   (((x) & 0x3) << 12)     /* Data Adrr. Compare 1 Size */
159 
#define     DAC_BYTE    0
160 
#define     DAC_HALF    1
161 
#define     DAC_WORD    2
162 
#define     DAC_QUAD    3
163 
#define   DBCR_D2R      0x00000800      /* Data Addr. Compare 2 Read Enable */
164 
#define   DBCR_D2W      0x00000400      /* Data Addr. Compare 2 Write Enable */
165 
#define   DBCR_D2S(x)   (((x) & 0x3) << 8)      /* Data Addr. Compare 2 Size */
166 
#define   DBCR_SBT      0x00000040      /* Second Branch Taken Debug Event */
167 
#define   DBCR_SED      0x00000020      /* Second Exception Debug Event */
168 
#define   DBCR_STD      0x00000010      /* Second Trap Debug Event */
169 
#define   DBCR_SIA      0x00000008      /* Second IAC Enable */
170 
#define   DBCR_SDA      0x00000004      /* Second DAC Enable */
171 
#define   DBCR_JOI      0x00000002      /* JTAG Serial Outbound Int. Enable */
172 
#define   DBCR_JII      0x00000001      /* JTAG Serial Inbound Int. Enable */
173 
#define SPRN_DBCR0      0x3F2   /* Debug Control Register 0 */
174 
#define SPRN_DBCR1      0x3BD   /* Debug Control Register 1 */
175 
#define SPRN_DBSR       0x3F0   /* Debug Status Register */
176 
#define SPRN_DCCR       0x3FA   /* Data Cache Cacheability Register */
177 
#define   DCCR_NOCACHE          0        /* Noncacheable */
178 
#define   DCCR_CACHE            1       /* Cacheable */
179 
#define SPRN_DCMP       0x3D1   /* Data TLB Compare Register */
180 
#define SPRN_DCWR       0x3BA   /* Data Cache Write-thru Register */
181 
#define   DCWR_COPY             0        /* Copy-back */
182 
#define   DCWR_WRITE            1       /* Write-through */
183 
#define SPRN_DEAR       0x3D5   /* Data Error Address Register */
184 
#define SPRN_DEC        0x016   /* Decrement Register */
185 
#define SPRN_DMISS      0x3D0   /* Data TLB Miss Register */
186 
#define SPRN_DSISR      0x012   /* Data Storage Interrupt Status Register */
187 
#define SPRN_EAR        0x11A   /* External Address Register */
188 
#define SPRN_ESR        0x3D4   /* Exception Syndrome Register */
189 
#define   ESR_IMCP      0x80000000      /* Instr. Machine Check - Protection */
190 
#define   ESR_IMCN      0x40000000      /* Instr. Machine Check - Non-config */
191 
#define   ESR_IMCB      0x20000000      /* Instr. Machine Check - Bus error */
192 
#define   ESR_IMCT      0x10000000      /* Instr. Machine Check - Timeout */
193 
#define   ESR_PIL       0x08000000      /* Program Exception - Illegal */
194 
#define   ESR_PPR       0x04000000      /* Program Exception - Privileged */
195 
#define   ESR_PTR       0x02000000      /* Program Exception - Trap */
196 
#define   ESR_DST       0x00800000      /* Storage Exception - Data miss */
197 
#define   ESR_DIZ       0x00400000      /* Storage Exception - Zone fault */
198 
#define SPRN_EVPR       0x3D6   /* Exception Vector Prefix Register */
199 
#define SPRN_HASH1      0x3D2   /* Primary Hash Address Register */
200 
#define SPRN_HASH2      0x3D3   /* Secondary Hash Address Register */
201 
#define SPRN_HID0       0x3F0   /* Hardware Implementation Register 0 */
202 
#define   HID0_EMCP     (1<<31)         /* Enable Machine Check pin */
203 
#define   HID0_EBA      (1<<29)         /* Enable Bus Address Parity */
204 
#define   HID0_EBD      (1<<28)         /* Enable Bus Data Parity */
205 
#define   HID0_SBCLK    (1<<27)
206 
#define   HID0_EICE     (1<<26)
207 
#define   HID0_ECLK     (1<<25)
208 
#define   HID0_PAR      (1<<24)
209 
#define   HID0_DOZE     (1<<23)
210 
#define   HID0_NAP      (1<<22)
211 
#define   HID0_SLEEP    (1<<21)
212 
#define   HID0_DPM      (1<<20)
213 
#define   HID0_ICE      (1<<15)         /* Instruction Cache Enable */
214 
#define   HID0_DCE      (1<<14)         /* Data Cache Enable */
215 
#define   HID0_ILOCK    (1<<13)         /* Instruction Cache Lock */
216 
#define   HID0_DLOCK    (1<<12)         /* Data Cache Lock */
217 
#define   HID0_ICFI     (1<<11)         /* Instr. Cache Flash Invalidate */
218 
#define   HID0_DCI      (1<<10)         /* Data Cache Invalidate */
219 
#define   HID0_SPD      (1<<9)          /* Speculative disable */
220 
#define   HID0_SGE      (1<<7)          /* Store Gathering Enable */
221 
#define   HID0_SIED     (1<<7)          /* Serial Instr. Execution [Disable] */
222 
#define   HID0_BTIC     (1<<5)          /* Branch Target Instruction Cache Enable */
223 
#define   HID0_ABE      (1<<3)          /* Address Broadcast Enable */
224 
#define   HID0_BHTE     (1<<2)          /* Branch History Table Enable */
225 
#define   HID0_BTCD     (1<<1)          /* Branch target cache disable */
226 
#define SPRN_MSRDORM    0x3F1   /* Hardware Implementation Register 1 */
227 
#define SPRN_IABR       0x3F2   /* Instruction Address Breakpoint Register */
228 
#define SPRN_NIADORM    0x3F3   /* Hardware Implementation Register 2 */
229 
#define SPRN_TSC        0x3FD   /* Thread switch control */
230 
#define SPRN_TST        0x3FC   /* Thread switch timeout */
231 
#define SPRN_IAC1       0x3F4   /* Instruction Address Compare 1 */
232 
#define SPRN_IAC2       0x3F5   /* Instruction Address Compare 2 */
233 
#define SPRN_IBAT0L     0x211   /* Instruction BAT 0 Lower Register */
234 
#define SPRN_IBAT0U     0x210   /* Instruction BAT 0 Upper Register */
235 
#define SPRN_IBAT1L     0x213   /* Instruction BAT 1 Lower Register */
236 
#define SPRN_IBAT1U     0x212   /* Instruction BAT 1 Upper Register */
237 
#define SPRN_IBAT2L     0x215   /* Instruction BAT 2 Lower Register */
238 
#define SPRN_IBAT2U     0x214   /* Instruction BAT 2 Upper Register */
239 
#define SPRN_IBAT3L     0x217   /* Instruction BAT 3 Lower Register */
240 
#define SPRN_IBAT3U     0x216   /* Instruction BAT 3 Upper Register */
241 
#define SPRN_ICCR       0x3FB   /* Instruction Cache Cacheability Register */
242 
#define   ICCR_NOCACHE          0        /* Noncacheable */
243 
#define   ICCR_CACHE            1       /* Cacheable */
244 
#define SPRN_ICDBDR     0x3D3   /* Instruction Cache Debug Data Register */
245 
#define SPRN_ICMP       0x3D5   /* Instruction TLB Compare Register */
246 
#define SPRN_ICTC       0x3FB   /* Instruction Cache Throttling Control Reg */
247 
#define SPRN_IMISS      0x3D4   /* Instruction TLB Miss Register */
248 
#define SPRN_IMMR       0x27E   /* Internal Memory Map Register */
249 
#define SPRN_L2CR       0x3F9   /* Level 2 Cache Control Register */
250 
#define SPRN_LR         0x008   /* Link Register */
251 
#define SPRN_PBL1       0x3FC   /* Protection Bound Lower 1 */
252 
#define SPRN_PBL2       0x3FE   /* Protection Bound Lower 2 */
253 
#define SPRN_PBU1       0x3FD   /* Protection Bound Upper 1 */
254 
#define SPRN_PBU2       0x3FF   /* Protection Bound Upper 2 */
255 
#define SPRN_PID        0x3B1   /* Process ID */
256 
#define SPRN_PIR        0x3FF   /* Processor Identification Register */
257 
#define SPRN_PIT        0x3DB   /* Programmable Interval Timer */
258 
#define SPRN_PVR        0x11F   /* Processor Version Register */
259 
#define SPRN_RPA        0x3D6   /* Required Physical Address Register */
260 
#define SPRN_SDR1       0x019   /* MMU Hash Base Register */
261 
#define SPRN_SGR        0x3B9   /* Storage Guarded Register */
262 
#define   SGR_NORMAL            0
263 
#define   SGR_GUARDED           1
264 
#define SPRN_SPRG0      0x110   /* Special Purpose Register General 0 */
265 
#define SPRN_SPRG1      0x111   /* Special Purpose Register General 1 */
266 
#define SPRN_SPRG2      0x112   /* Special Purpose Register General 2 */
267 
#define SPRN_SPRG3      0x113   /* Special Purpose Register General 3 */
268 
#define SPRN_SRR0       0x01A   /* Save/Restore Register 0 */
269 
#define SPRN_SRR1       0x01B   /* Save/Restore Register 1 */
270 
#define SPRN_SRR2       0x3DE   /* Save/Restore Register 2 */
271 
#define SPRN_SRR3       0x3DF   /* Save/Restore Register 3 */
272 
#define SPRN_TBHI       0x3DC   /* Time Base High */
273 
#define SPRN_TBHU       0x3CC   /* Time Base High User-mode */
274 
#define SPRN_TBLO       0x3DD   /* Time Base Low */
275 
#define SPRN_TBLU       0x3CD   /* Time Base Low User-mode */
276 
#define SPRN_TBRL       0x10D   /* Time Base Read Lower Register */
277 
#define SPRN_TBRU       0x10C   /* Time Base Read Upper Register */
278 
#define SPRN_TBWL       0x11D   /* Time Base Write Lower Register */
279 
#define SPRN_TBWU       0x11C   /* Time Base Write Upper Register */
280 
#define SPRN_TCR        0x3DA   /* Timer Control Register */
281 
#define   TCR_WP(x)             (((x)&0x3)<<30) /* WDT Period */
282 
#define     WP_2_17             0                /* 2^17 clocks */
283 
#define     WP_2_21             1               /* 2^21 clocks */
284 
#define     WP_2_25             2               /* 2^25 clocks */
285 
#define     WP_2_29             3               /* 2^29 clocks */
286 
#define   TCR_WRC(x)            (((x)&0x3)<<28) /* WDT Reset Control */
287 
#define     WRC_NONE            0                /* No reset will occur */
288 
#define     WRC_CORE            1               /* Core reset will occur */
289 
#define     WRC_CHIP            2               /* Chip reset will occur */
290 
#define     WRC_SYSTEM          3               /* System reset will occur */
291 
#define   TCR_WIE               0x08000000      /* WDT Interrupt Enable */
292 
#define   TCR_PIE               0x04000000      /* PIT Interrupt Enable */
293 
#define   TCR_FP(x)             (((x)&0x3)<<24) /* FIT Period */
294 
#define     FP_2_9              0                /* 2^9 clocks */
295 
#define     FP_2_13             1               /* 2^13 clocks */
296 
#define     FP_2_17             2               /* 2^17 clocks */
297 
#define     FP_2_21             3               /* 2^21 clocks */
298 
#define   TCR_FIE               0x00800000      /* FIT Interrupt Enable */
299 
#define   TCR_ARE               0x00400000      /* Auto Reload Enable */
300 
#define SPRN_THRM1      0x3FC   /* Thermal Management Register 1 */
301 
#define   THRM1_TIN             (1<<0)
302 
#define   THRM1_TIV             (1<<1)
303 
#define   THRM1_THRES           (0x7f<<2)
304 
#define   THRM1_TID             (1<<29)
305 
#define   THRM1_TIE             (1<<30)
306 
#define   THRM1_V               (1<<31)
307 
#define SPRN_THRM2      0x3FD   /* Thermal Management Register 2 */
308 
#define SPRN_THRM3      0x3FE   /* Thermal Management Register 3 */
309 
#define   THRM3_E               (1<<31)
310 
#define SPRN_TSR        0x3D8   /* Timer Status Register */
311 
#define   TSR_ENW               0x80000000      /* Enable Next Watchdog */
312 
#define   TSR_WIS               0x40000000      /* WDT Interrupt Status */
313 
#define   TSR_WRS(x)            (((x)&0x3)<<28) /* WDT Reset Status */
314 
#define     WRS_NONE            0                /* No WDT reset occurred */
315 
#define     WRS_CORE            1               /* WDT forced core reset */
316 
#define     WRS_CHIP            2               /* WDT forced chip reset */
317 
#define     WRS_SYSTEM          3               /* WDT forced system reset */
318 
#define   TSR_PIS               0x08000000      /* PIT Interrupt Status */
319 
#define   TSR_FIS               0x04000000      /* FIT Interrupt Status */
320 
#define SPRN_VRSAVE     0x100   /* Vector Register Save Register */
321 
#define SPRN_XER        0x001   /* Fixed Point Exception Register */
322 
#define SPRN_ZPR        0x3B0   /* Zone Protection Register */
323 
 
324 
/* Short-hand versions for a number of the above SPRNs */
325 
 
326 
#define CTR     SPRN_CTR        /* Counter Register */
327 
#define DAR     SPRN_DAR        /* Data Address Register */
328 
#define DABR    SPRN_DABR       /* Data Address Breakpoint Register */
329 
#define DBAT0L  SPRN_DBAT0L     /* Data BAT 0 Lower Register */
330 
#define DBAT0U  SPRN_DBAT0U     /* Data BAT 0 Upper Register */
331 
#define DBAT1L  SPRN_DBAT1L     /* Data BAT 1 Lower Register */
332 
#define DBAT1U  SPRN_DBAT1U     /* Data BAT 1 Upper Register */
333 
#define DBAT2L  SPRN_DBAT2L     /* Data BAT 2 Lower Register */
334 
#define DBAT2U  SPRN_DBAT2U     /* Data BAT 2 Upper Register */
335 
#define DBAT3L  SPRN_DBAT3L     /* Data BAT 3 Lower Register */
336 
#define DBAT3U  SPRN_DBAT3U     /* Data BAT 3 Upper Register */
337 
#define DCMP    SPRN_DCMP       /* Data TLB Compare Register */
338 
#define DEC     SPRN_DEC        /* Decrement Register */
339 
#define DMISS   SPRN_DMISS      /* Data TLB Miss Register */
340 
#define DSISR   SPRN_DSISR      /* Data Storage Interrupt Status Register */
341 
#define EAR     SPRN_EAR        /* External Address Register */
342 
#define HASH1   SPRN_HASH1      /* Primary Hash Address Register */
343 
#define HASH2   SPRN_HASH2      /* Secondary Hash Address Register */
344 
#define HID0    SPRN_HID0       /* Hardware Implementation Register 0 */
345 
#define MSRDORM SPRN_MSRDORM    /* MSR Dormant Register */
346 
#define NIADORM SPRN_NIADORM    /* NIA Dormant Register */
347 
#define TSC     SPRN_TSC        /* Thread switch control */
348 
#define TST     SPRN_TST        /* Thread switch timeout */
349 
#define IABR    SPRN_IABR       /* Instruction Address Breakpoint Register */
350 
#define IBAT0L  SPRN_IBAT0L     /* Instruction BAT 0 Lower Register */
351 
#define IBAT0U  SPRN_IBAT0U     /* Instruction BAT 0 Upper Register */
352 
#define IBAT1L  SPRN_IBAT1L     /* Instruction BAT 1 Lower Register */
353 
#define IBAT1U  SPRN_IBAT1U     /* Instruction BAT 1 Upper Register */
354 
#define IBAT2L  SPRN_IBAT2L     /* Instruction BAT 2 Lower Register */
355 
#define IBAT2U  SPRN_IBAT2U     /* Instruction BAT 2 Upper Register */
356 
#define IBAT3L  SPRN_IBAT3L     /* Instruction BAT 3 Lower Register */
357 
#define IBAT3U  SPRN_IBAT3U     /* Instruction BAT 3 Upper Register */
358 
#define ICMP    SPRN_ICMP       /* Instruction TLB Compare Register */
359 
#define IMISS   SPRN_IMISS      /* Instruction TLB Miss Register */
360 
#define IMMR    SPRN_IMMR       /* PPC 860/821 Internal Memory Map Register */
361 
#define L2CR    SPRN_L2CR       /* PPC 750 L2 control register */
362 
#define LR      SPRN_LR
363 
#define PVR     SPRN_PVR        /* Processor Version */
364 
#define PIR     SPRN_PIR        /* Processor ID */
365 
#define RPA     SPRN_RPA        /* Required Physical Address Register */
366 
#define SDR1    SPRN_SDR1       /* MMU hash base register */
367 
#define SPR0    SPRN_SPRG0      /* Supervisor Private Registers */
368 
#define SPR1    SPRN_SPRG1
369 
#define SPR2    SPRN_SPRG2
370 
#define SPR3    SPRN_SPRG3
371 
#define SPRG0   SPRN_SPRG0
372 
#define SPRG1   SPRN_SPRG1
373 
#define SPRG2   SPRN_SPRG2
374 
#define SPRG3   SPRN_SPRG3
375 
#define SRR0    SPRN_SRR0       /* Save and Restore Register 0 */
376 
#define SRR1    SPRN_SRR1       /* Save and Restore Register 1 */
377 
#define TBRL    SPRN_TBRL       /* Time Base Read Lower Register */
378 
#define TBRU    SPRN_TBRU       /* Time Base Read Upper Register */
379 
#define TBWL    SPRN_TBWL       /* Time Base Write Lower Register */
380 
#define TBWU    SPRN_TBWU       /* Time Base Write Upper Register */
381 
#define ICTC    1019
382 
#define THRM1   SPRN_THRM1      /* Thermal Management Register 1 */
383 
#define THRM2   SPRN_THRM2      /* Thermal Management Register 2 */
384 
#define THRM3   SPRN_THRM3      /* Thermal Management Register 3 */
385 
#define XER     SPRN_XER
386 
#define PMC1    0x313
387 
#define PMC2    0x314
388 
#define PMC3    0x315
389 
#define PMC4    0x316
390 
#define PMC5    0x317
391 
#define PMC6    0x318
392 
#define PMC7    0x319
393 
#define PMC8    0x31a
394 
#define MMCR0   0x31b
395 
#define MMCR1   0x31e
396 
#define MMCRA   0x312
397 
#define SIAR    0x30c
398 
#define SDAR    0x30d
399 
 
400 
/* Device Control Registers */
401 
 
402 
#define DCRN_BEAR       0x090   /* Bus Error Address Register */
403 
#define DCRN_BESR       0x091   /* Bus Error Syndrome Register */
404 
#define   BESR_DSES     0x80000000      /* Data-Side Error Status */
405 
#define   BESR_DMES     0x40000000      /* DMA Error Status */
406 
#define   BESR_RWS      0x20000000      /* Read/Write Status */
407 
#define   BESR_ETMASK   0x1C000000      /* Error Type */
408 
#define     ET_PROT     0
409 
#define     ET_PARITY   1
410 
#define     ET_NCFG     2
411 
#define     ET_BUSERR   4
412 
#define     ET_BUSTO    6
413 
#define DCRN_DMACC0     0x0C4   /* DMA Chained Count Register 0 */
414 
#define DCRN_DMACC1     0x0CC   /* DMA Chained Count Register 1 */
415 
#define DCRN_DMACC2     0x0D4   /* DMA Chained Count Register 2 */
416 
#define DCRN_DMACC3     0x0DC    /* DMA Chained Count Register 3 */
417 
#define DCRN_DMACR0     0x0C0    /* DMA Channel Control Register 0 */
418 
#define DCRN_DMACR1     0x0C8    /* DMA Channel Control Register 1 */
419 
#define DCRN_DMACR2     0x0D0    /* DMA Channel Control Register 2 */
420 
#define DCRN_DMACR3     0x0D8    /* DMA Channel Control Register 3 */
421 
#define DCRN_DMACT0     0x0C1    /* DMA Count Register 0 */
422 
#define DCRN_DMACT1     0x0C9    /* DMA Count Register 1 */
423 
#define DCRN_DMACT2     0x0D1    /* DMA Count Register 2 */
424 
#define DCRN_DMACT3     0x0D9    /* DMA Count Register 3 */
425 
#define DCRN_DMADA0     0x0C2    /* DMA Destination Address Register 0 */
426 
#define DCRN_DMADA1     0x0CA    /* DMA Destination Address Register 1 */
427 
#define DCRN_DMADA2     0x0D2    /* DMA Destination Address Register 2 */
428 
#define DCRN_DMADA3     0x0DA    /* DMA Destination Address Register 3 */
429 
#define DCRN_DMASA0     0x0C3    /* DMA Source Address Register 0 */
430 
#define DCRN_DMASA1     0x0CB    /* DMA Source Address Register 1 */
431 
#define DCRN_DMASA2     0x0D3    /* DMA Source Address Register 2 */
432 
#define DCRN_DMASA3     0x0DB    /* DMA Source Address Register 3 */
433 
#define DCRN_DMASR      0x0E0    /* DMA Status Register */
434 
#define DCRN_EXIER      0x042    /* External Interrupt Enable Register */
435 
#define   EXIER_CIE     0x80000000      /* Critical Interrupt Enable */
436 
#define   EXIER_SRIE    0x08000000      /* Serial Port Rx Int. Enable */
437 
#define   EXIER_STIE    0x04000000      /* Serial Port Tx Int. Enable */
438 
#define   EXIER_JRIE    0x02000000      /* JTAG Serial Port Rx Int. Enable */
439 
#define   EXIER_JTIE    0x01000000      /* JTAG Serial Port Tx Int. Enable */
440 
#define   EXIER_D0IE    0x00800000      /* DMA Channel 0 Interrupt Enable */
441 
#define   EXIER_D1IE    0x00400000      /* DMA Channel 1 Interrupt Enable */
442 
#define   EXIER_D2IE    0x00200000      /* DMA Channel 2 Interrupt Enable */
443 
#define   EXIER_D3IE    0x00100000      /* DMA Channel 3 Interrupt Enable */
444 
#define   EXIER_E0IE    0x00000010      /* External Interrupt 0 Enable */
445 
#define   EXIER_E1IE    0x00000008      /* External Interrupt 1 Enable */
446 
#define   EXIER_E2IE    0x00000004      /* External Interrupt 2 Enable */
447 
#define   EXIER_E3IE    0x00000002      /* External Interrupt 3 Enable */
448 
#define   EXIER_E4IE    0x00000001      /* External Interrupt 4 Enable */
449 
#define DCRN_EXISR      0x040    /* External Interrupt Status Register */
450 
#define DCRN_IOCR       0x0A0    /* Input/Output Configuration Register */
451 
#define   IOCR_E0TE     0x80000000
452 
#define   IOCR_E0LP     0x40000000
453 
#define   IOCR_E1TE     0x20000000
454 
#define   IOCR_E1LP     0x10000000
455 
#define   IOCR_E2TE     0x08000000
456 
#define   IOCR_E2LP     0x04000000
457 
#define   IOCR_E3TE     0x02000000
458 
#define   IOCR_E3LP     0x01000000
459 
#define   IOCR_E4TE     0x00800000
460 
#define   IOCR_E4LP     0x00400000
461 
#define   IOCR_EDT      0x00080000
462 
#define   IOCR_SOR      0x00040000
463 
#define   IOCR_EDO      0x00008000
464 
#define   IOCR_2XC      0x00004000
465 
#define   IOCR_ATC      0x00002000
466 
#define   IOCR_SPD      0x00001000
467 
#define   IOCR_BEM      0x00000800
468 
#define   IOCR_PTD      0x00000400
469 
#define   IOCR_ARE      0x00000080
470 
#define   IOCR_DRC      0x00000020
471 
#define   IOCR_RDM(x)   (((x) & 0x3) << 3)
472 
#define   IOCR_TCS      0x00000004
473 
#define   IOCR_SCS      0x00000002
474 
#define   IOCR_SPC      0x00000001
475 
 
476 
 
477 
/* Processor Version Register (PVR) field extraction */
478 
 
479 
#define PVR_VER(pvr)  (((pvr) >>  16) & 0xFFFF) /* Version field */
480 
#define PVR_REV(pvr)  (((pvr) >>   0) & 0xFFFF) /* Revison field */
481 
 
482 
/* Processor Version Numbers */
483 
#define PV_NORTHSTAR    0x0033
484 
#define PV_PULSAR       0x0034
485 
#define PV_POWER4       0x0035
486 
#define PV_ICESTAR      0x0036
487 
#define PV_SSTAR        0x0037
488 
#define PV_POWER4p      0x0038
489 
#define PV_POWER4ul     0x0039
490 
#define PV_630          0x0040
491 
#define PV_630p         0x0041
492 
 
493 
/* Platforms supported by PPC64 */
494 
#define PLATFORM_PSERIES      0x0100
495 
#define PLATFORM_PSERIES_LPAR 0x0101
496 
#define PLATFORM_ISERIES_LPAR 0x0201
497 
#define PLATFORM_LPAR         0x0001
498 
 
499 
/*
500 
 * List of interrupt controllers.
501 
 */
502 
#define IC_INVALID    0
503 
#define IC_OPEN_PIC   1
504 
#define IC_PPC_XIC    2
505 
 
506 
#define XGLUE(a,b) a##b
507 
#define GLUE(a,b) XGLUE(a,b)
508 
 
509 
/*
510 
 * Beginning of traceback info work for asm functions.
511 
 */
512 
#define TB_ASM          0x000C000000000000
513 
#define TB_GLOBALLINK   0x0000800000000000
514 
#define TB_IS_EPROL     0x0000400000000000
515 
#define TB_HAS_TBOFF    0x0000200000000000
516 
#define TB_INT_PROC     0x0000100000000000
517 
#define TB_HAS_CTL      0x0000080000000000
518 
#define TB_TOCLESS      0x0000040000000000
519 
#define TB_FP_PRESENT   0x0000020000000000
520 
#define TB_LOG_ABORT    0x0000010000000000
521 
#define TB_INT_HNDL     0x0000008000000000
522 
#define TB_NAME_PRESENT 0x0000004000000000
523 
#define TB_SAVES_CR     0x0000000200000000
524 
#define TB_SAVES_LR     0x0000000100000000
525 
#define TB_STORES_BC    0x0000000080000000
526 
#define TB_PARMINFO     0x000000000000FFFF
527 
#define TB_DEFAULT      TB_ASM | TB_HAS_TBOFF | TB_NAME_PRESENT
528 
 
529 
#ifdef __ASSEMBLY__
530 
 
531 
#define _GLOBAL(name) \
532 
        .section ".text"; \
533 
        .align 2 ; \
534 
        .globl name; \
535 
        .globl GLUE(.,name); \
536 
        .section ".opd","aw"; \
537 
name: \
538 
        .quad GLUE(.,name); \
539 
        .quad .TOC.@tocbase; \
540 
        .quad 0; \
541 
        .previous; \
542 
        .type GLUE(.,name),@function; \
543 
GLUE(.,name):
544 
 
545 
#define _STATIC(name) \
546 
        .section ".text"; \
547 
        .align 2 ; \
548 
        .section ".opd","aw"; \
549 
name: \
550 
        .quad GLUE(.,name); \
551 
        .quad .TOC.@tocbase; \
552 
        .quad 0; \
553 
        .previous; \
554 
        .type GLUE(.,name),@function; \
555 
GLUE(.,name):
556 
 
557 
#define _TRACEBACK(NAME) \
558 
GLUE(.LT,NAME): ;\
559 
        .long 0 ;\
560 
        .llong TB_DEFAULT ;\
561 
        .long GLUE(.LT,NAME)-GLUE(.,NAME) ;\
562 
        .short GLUE(GLUE(.LT,NAME),_procname_end)-GLUE(GLUE(.LT,NAME),_procname_start) ;\
563 
GLUE(GLUE(.LT,NAME),_procname_start): ;\
564 
        .ascii __stringify(NAME) ;\
565 
GLUE(GLUE(.LT,NAME),_procname_end):
566 
 
567 
#endif /* __ASSEMBLY__ */
568 
 
569 
 
570 
/* Macros for setting and retrieving special purpose registers */
571 
 
572 
#define mfmsr()         ({unsigned long rval; \
573 
                        asm volatile("mfmsr %0" : "=r" (rval)); rval;})
574 
 
575 
#define mtmsrd(v)       asm volatile("mtmsrd %0" : : "r" (v))
576 
 
577 
#define mfspr(rn)       ({unsigned long rval; \
578 
                        asm volatile("mfspr %0," __stringify(rn) \
579 
                                     : "=r" (rval)); rval;})
580 
#define mtspr(rn, v)    asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
581 
 
582 
#define mftb()          ({unsigned long rval;   \
583 
                        asm volatile("mftb %0" : "=r" (rval)); rval;})
584 
 
585 
/* iSeries CTRL register (for runlatch) */
586 
 
587 
#define CTRLT           0x098
588 
#define CTRLF           0x088
589 
#define RUNLATCH        0x0001
590 
#define RUN_FLAG        0x0002
591 
 
592 
/* Size of an exception stack frame contained in the paca. */
593 
#define EXC_FRAME_SIZE 64
594 
 
595 
#define mfasr()         ({unsigned long rval; \
596 
                        asm volatile("mfasr %0" : "=r" (rval)); rval;})
597 
 
598 
#ifndef __ASSEMBLY__
599 
extern int have_of;
600 
 
601 
struct task_struct;
602 
void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp);
603 
void release_thread(struct task_struct *);
604 
 
605 
/*
606 
 * Create a new kernel thread.
607 
 */
608 
extern long arch_kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
609 
 
610 
/*
611 
 * Bus types
612 
 */
613 
#define EISA_bus 0
614 
#define EISA_bus__is_a_macro /* for versions in ksyms.c */
615 
#define MCA_bus 0
616 
#define MCA_bus__is_a_macro /* for versions in ksyms.c */
617 
 
618 
#ifndef CONFIG_SMP
619 
/* Lazy FPU handling on uni-processor */
620 
extern struct task_struct *last_task_used_math;
621 
extern struct task_struct *last_task_used_altivec;
622 
#endif /* CONFIG_SMP */
623 
 
624 
 
625 
#ifdef __KERNEL__
626 
/* 64-bit user address space is 41-bits (2TBs user VM) */
627 
/* Subtract PGDIR_SIZE to work around a bug in free_pgtables */
628 
#define TASK_SIZE_USER64 (0x0000020000000000UL - PGDIR_SIZE)
629 
 
630 
/*
631 
 * 32-bit user address space is 4GB - 1 page
632 
 * (this 1 page is needed so referencing of 0xFFFFFFFF generates EFAULT
633 
 */
634 
#define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE))
635 
 
636 
#define TASK_SIZE ((current->thread.flags & PPC_FLAG_32BIT) ? \
637 
                TASK_SIZE_USER32 : TASK_SIZE_USER64)
638 
#endif /* __KERNEL__ */
639 
 
640 
 
641 
/* This decides where the kernel will search for a free chunk of vm
642 
 * space during mmap's.
643 
 */
644 
#define TASK_UNMAPPED_BASE_USER32 PAGE_ALIGN(STACK_TOP_USER32 / 4)
645 
#define TASK_UNMAPPED_BASE_USER64 PAGE_ALIGN(STACK_TOP_USER64 / 4)
646 
 
647 
#define TASK_UNMAPPED_BASE (((current->thread.flags & PPC_FLAG_32BIT)||(ppcdebugset(PPCDBG_BINFMT_32ADDR))) ? \
648 
                TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
649 
 
650 
typedef struct {
651 
        unsigned long seg;
652 
} mm_segment_t;
653 
 
654 
struct thread_struct {
655 
        unsigned long   ksp;            /* Kernel stack pointer */
656 
        struct pt_regs  *regs;          /* Pointer to saved register state */
657 
        mm_segment_t    fs;             /* for get_fs() validation */
658 
        void            *pgdir;         /* root of page-table tree */
659 
        signed long     last_syscall;
660 
        unsigned long   flags;
661 
        double          fpr[32];        /* Complete floating point set */
662 
        unsigned long   fpscr;          /* Floating point status (plus pad) */
663 
        unsigned long   fpexc_mode;     /* Floating-point exception mode */
664 
        unsigned long   saved_msr;      /* Save MSR across signal handlers */
665 
        unsigned long   saved_softe;    /* Ditto for Soft Enable/Disable */
666 
#ifdef CONFIG_ALTIVEC
667 
        vector128       vr[32];         /* Complete AltiVec set */
668 
        vector128       vscr;           /* AltiVec status */
669 
        u32             vrsave[2];      /* 32 bit vrsave is in vrsave[1] */
670 
#endif /* CONFIG_ALTIVEC */
671 
};
672 
 
673 
#define PPC_FLAG_32BIT          0x01
674 
#define PPC_FLAG_RUN_LIGHT      RUN_FLAG
675 
 
676 
#ifdef CONFIG_SHARED_MEMORY_ADDRESSING
677 
#define PPC_FLAG_SHARED         0x4UL
678 
#endif
679 
 
680 
#define INIT_SP         (sizeof(init_stack) + (unsigned long) &init_stack)
681 
 
682 
#define INIT_THREAD  { \
683 
        INIT_SP, /* ksp */ \
684 
        (struct pt_regs *)INIT_SP - 1, /* regs */ \
685 
        KERNEL_DS, /*fs*/ \
686 
        swapper_pg_dir, /* pgdir */ \
687 
        0, /* last_syscall */ \
688 
        PPC_FLAG_RUN_LIGHT, /* flags */ \
689 
        {0}, /* fprs */ \
690 
        0, /* fpscr */ \
691 
        MSR_FE0|MSR_FE1, /* fpexc_mode */ \
692 
}
693 
 
694 
/*
695 
 * Note: the vm_start and vm_end fields here should *not*
696 
 * be in kernel space.  (Could vm_end == vm_start perhaps?)
697 
 */
698 
#define IOREMAP_MMAP { &ioremap_mm, 0, 0x1000, NULL, \
699 
                    PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, \
700 
                    1, NULL, NULL }
701 
 
702 
extern struct mm_struct ioremap_mm;
703 
 
704 
/*
705 
 * Return saved PC of a blocked thread. For now, this is the "user" PC
706 
 */
707 
static inline unsigned long thread_saved_pc(struct thread_struct *t)
708 
{
709 
        return (t->regs) ? t->regs->nip : 0;
710 
}
711 
 
712 
#define copy_segments(tsk, mm)          do { } while (0)
713 
#define release_segments(mm)            do { } while (0)
714 
#define forget_segments()               do { } while (0)
715 
 
716 
unsigned long get_wchan(struct task_struct *p);
717 
 
718 
#define KSTK_EIP(tsk)  ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
719 
#define KSTK_ESP(tsk)  ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0)
720 
 
721 
/* Get/set floating-point exception mode */
722 
#define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr))
723 
#define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val))
724 
 
725 
extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr);
726 
extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
727 
 
728 
static inline unsigned int __unpack_fe01(unsigned long msr_bits)
729 
{
730 
        return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8);
731 
}
732 
 
733 
static inline unsigned long __pack_fe01(unsigned int fpmode)
734 
{
735 
        return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1);
736 
}
737 
 
738 
 
739 
/*
740 
 * NOTE! The task struct and the stack go together
741 
 */
742 
#define THREAD_SIZE (4*PAGE_SIZE)
743 
struct task_struct * alloc_task_struct(void);
744 
 
745 
void free_task_struct(struct task_struct *);
746 
#define get_task_struct(tsk)    atomic_inc(&virt_to_page(tsk)->count)
747 
 
748 
#define init_task       (init_task_union.task)
749 
#define init_stack      (init_task_union.stack)
750 
 
751 
#define cpu_relax()     udelay(1)
752 
 
753 
/*
754 
 * Prefetch macros.
755 
 */
756 
#define ARCH_HAS_PREFETCH
757 
#define ARCH_HAS_PREFETCHW
758 
#define ARCH_HAS_SPINLOCK_PREFETCH
759 
 
760 
static inline void prefetch(const void *x)
761 
{
762 
        __asm__ __volatile__ ("dcbt 0,%0" : : "r" (x));
763 
}
764 
 
765 
static inline void prefetchw(const void *x)
766 
{
767 
        __asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x));
768 
}
769 
 
770 
#define spin_lock_prefetch(x)   prefetchw(x)
771 
 
772 
#endif /* ASSEMBLY */
773 
 
774 
#endif /* __ASM_PPC64_PROCESSOR_H */

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