| 1 |
1275 |
phoenix |
/* $Id: btfixup.h,v 1.1.1.1 2004-04-15 02:40:33 phoenix Exp $
|
| 2 |
|
|
* asm-sparc/btfixup.h: Macros for boot time linking.
|
| 3 |
|
|
*
|
| 4 |
|
|
* Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
|
| 5 |
|
|
*/
|
| 6 |
|
|
|
| 7 |
|
|
#ifndef _SPARC_BTFIXUP_H
|
| 8 |
|
|
#define _SPARC_BTFIXUP_H
|
| 9 |
|
|
|
| 10 |
|
|
#include <linux/init.h>
|
| 11 |
|
|
|
| 12 |
|
|
#ifndef __ASSEMBLY__
|
| 13 |
|
|
|
| 14 |
|
|
#ifdef MODULE
|
| 15 |
|
|
extern unsigned int ___illegal_use_of_BTFIXUP_SIMM13_in_module(void);
|
| 16 |
|
|
extern unsigned int ___illegal_use_of_BTFIXUP_SETHI_in_module(void);
|
| 17 |
|
|
extern unsigned int ___illegal_use_of_BTFIXUP_HALF_in_module(void);
|
| 18 |
|
|
extern unsigned int ___illegal_use_of_BTFIXUP_INT_in_module(void);
|
| 19 |
|
|
|
| 20 |
|
|
#define BTFIXUP_SIMM13(__name) ___illegal_use_of_BTFIXUP_SIMM13_in_module()
|
| 21 |
|
|
#define BTFIXUP_HALF(__name) ___illegal_use_of_BTFIXUP_HALF_in_module()
|
| 22 |
|
|
#define BTFIXUP_SETHI(__name) ___illegal_use_of_BTFIXUP_SETHI_in_module()
|
| 23 |
|
|
#define BTFIXUP_INT(__name) ___illegal_use_of_BTFIXUP_INT_in_module()
|
| 24 |
|
|
#define BTFIXUP_BLACKBOX(__name) ___illegal_use_of_BTFIXUP_BLACKBOX_in_module
|
| 25 |
|
|
|
| 26 |
|
|
#else
|
| 27 |
|
|
|
| 28 |
|
|
#define BTFIXUP_SIMM13(__name) ___sf_##__name()
|
| 29 |
|
|
#define BTFIXUP_HALF(__name) ___af_##__name()
|
| 30 |
|
|
#define BTFIXUP_SETHI(__name) ___hf_##__name()
|
| 31 |
|
|
#define BTFIXUP_INT(__name) ((unsigned int)&___i_##__name)
|
| 32 |
|
|
/* This must be written in assembly and present in a sethi */
|
| 33 |
|
|
#define BTFIXUP_BLACKBOX(__name) ___b_##__name
|
| 34 |
|
|
#endif /* MODULE */
|
| 35 |
|
|
|
| 36 |
|
|
/* Fixup call xx */
|
| 37 |
|
|
|
| 38 |
|
|
#define BTFIXUPDEF_CALL(__type, __name, __args...) \
|
| 39 |
|
|
extern __type ___f_##__name(__args); \
|
| 40 |
|
|
extern unsigned ___fs_##__name[3];
|
| 41 |
|
|
#define BTFIXUPDEF_CALL_CONST(__type, __name, __args...) \
|
| 42 |
|
|
extern __type ___f_##__name(__args) __attribute__((const)); \
|
| 43 |
|
|
extern unsigned ___fs_##__name[3];
|
| 44 |
|
|
#define BTFIXUP_CALL(__name) ___f_##__name
|
| 45 |
|
|
|
| 46 |
|
|
#define BTFIXUPDEF_BLACKBOX(__name) \
|
| 47 |
|
|
extern unsigned ___bs_##__name[2];
|
| 48 |
|
|
|
| 49 |
|
|
/* Put bottom 13bits into some register variable */
|
| 50 |
|
|
|
| 51 |
|
|
#define BTFIXUPDEF_SIMM13(__name) \
|
| 52 |
|
|
extern unsigned int ___sf_##__name(void) __attribute__((const)); \
|
| 53 |
|
|
extern unsigned ___ss_##__name[2]; \
|
| 54 |
|
|
extern __inline__ unsigned int ___sf_##__name(void) { \
|
| 55 |
|
|
unsigned int ret; \
|
| 56 |
|
|
__asm__ ("or %%g0, ___s_" #__name ", %0" : "=r"(ret)); \
|
| 57 |
|
|
return ret; \
|
| 58 |
|
|
}
|
| 59 |
|
|
#define BTFIXUPDEF_SIMM13_INIT(__name,__val) \
|
| 60 |
|
|
extern unsigned int ___sf_##__name(void) __attribute__((const)); \
|
| 61 |
|
|
extern unsigned ___ss_##__name[2]; \
|
| 62 |
|
|
extern __inline__ unsigned int ___sf_##__name(void) { \
|
| 63 |
|
|
unsigned int ret; \
|
| 64 |
|
|
__asm__ ("or %%g0, ___s_" #__name "__btset_" #__val ", %0" : "=r"(ret));\
|
| 65 |
|
|
return ret; \
|
| 66 |
|
|
}
|
| 67 |
|
|
|
| 68 |
|
|
/* Put either bottom 13 bits, or upper 22 bits into some register variable
|
| 69 |
|
|
* (depending on the value, this will lead into sethi FIX, reg; or
|
| 70 |
|
|
* mov FIX, reg; )
|
| 71 |
|
|
*/
|
| 72 |
|
|
|
| 73 |
|
|
#define BTFIXUPDEF_HALF(__name) \
|
| 74 |
|
|
extern unsigned int ___af_##__name(void) __attribute__((const)); \
|
| 75 |
|
|
extern unsigned ___as_##__name[2]; \
|
| 76 |
|
|
extern __inline__ unsigned int ___af_##__name(void) { \
|
| 77 |
|
|
unsigned int ret; \
|
| 78 |
|
|
__asm__ ("or %%g0, ___a_" #__name ", %0" : "=r"(ret)); \
|
| 79 |
|
|
return ret; \
|
| 80 |
|
|
}
|
| 81 |
|
|
#define BTFIXUPDEF_HALF_INIT(__name,__val) \
|
| 82 |
|
|
extern unsigned int ___af_##__name(void) __attribute__((const)); \
|
| 83 |
|
|
extern unsigned ___as_##__name[2]; \
|
| 84 |
|
|
extern __inline__ unsigned int ___af_##__name(void) { \
|
| 85 |
|
|
unsigned int ret; \
|
| 86 |
|
|
__asm__ ("or %%g0, ___a_" #__name "__btset_" #__val ", %0" : "=r"(ret));\
|
| 87 |
|
|
return ret; \
|
| 88 |
|
|
}
|
| 89 |
|
|
|
| 90 |
|
|
/* Put upper 22 bits into some register variable */
|
| 91 |
|
|
|
| 92 |
|
|
#define BTFIXUPDEF_SETHI(__name) \
|
| 93 |
|
|
extern unsigned int ___hf_##__name(void) __attribute__((const)); \
|
| 94 |
|
|
extern unsigned ___hs_##__name[2]; \
|
| 95 |
|
|
extern __inline__ unsigned int ___hf_##__name(void) { \
|
| 96 |
|
|
unsigned int ret; \
|
| 97 |
|
|
__asm__ ("sethi %%hi(___h_" #__name "), %0" : "=r"(ret)); \
|
| 98 |
|
|
return ret; \
|
| 99 |
|
|
}
|
| 100 |
|
|
#define BTFIXUPDEF_SETHI_INIT(__name,__val) \
|
| 101 |
|
|
extern unsigned int ___hf_##__name(void) __attribute__((const)); \
|
| 102 |
|
|
extern unsigned ___hs_##__name[2]; \
|
| 103 |
|
|
extern __inline__ unsigned int ___hf_##__name(void) { \
|
| 104 |
|
|
unsigned int ret; \
|
| 105 |
|
|
__asm__ ("sethi %%hi(___h_" #__name "__btset_" #__val "), %0" : \
|
| 106 |
|
|
"=r"(ret)); \
|
| 107 |
|
|
return ret; \
|
| 108 |
|
|
}
|
| 109 |
|
|
|
| 110 |
|
|
/* Put a full 32bit integer into some register variable */
|
| 111 |
|
|
|
| 112 |
|
|
#define BTFIXUPDEF_INT(__name) \
|
| 113 |
|
|
extern unsigned char ___i_##__name; \
|
| 114 |
|
|
extern unsigned ___is_##__name[2];
|
| 115 |
|
|
|
| 116 |
|
|
#define BTFIXUPCALL_NORM 0x00000000 /* Always call */
|
| 117 |
|
|
#define BTFIXUPCALL_NOP 0x01000000 /* Possibly optimize to nop */
|
| 118 |
|
|
#define BTFIXUPCALL_RETINT(i) (0x90102000|((i) & 0x1fff)) /* Possibly optimize to mov i, %o0 */
|
| 119 |
|
|
#define BTFIXUPCALL_ORINT(i) (0x90122000|((i) & 0x1fff)) /* Possibly optimize to or %o0, i, %o0 */
|
| 120 |
|
|
#define BTFIXUPCALL_RETO0 0x01000000 /* Return first parameter, actually a nop */
|
| 121 |
|
|
#define BTFIXUPCALL_ANDNINT(i) (0x902a2000|((i) & 0x1fff)) /* Possibly optimize to andn %o0, i, %o0 */
|
| 122 |
|
|
#define BTFIXUPCALL_SWAPO0O1 0xd27a0000 /* Possibly optimize to swap [%o0],%o1 */
|
| 123 |
|
|
#define BTFIXUPCALL_SWAPO0G0 0xc07a0000 /* Possibly optimize to swap [%o0],%g0 */
|
| 124 |
|
|
#define BTFIXUPCALL_SWAPG1G2 0xc4784000 /* Possibly optimize to swap [%g1],%g2 */
|
| 125 |
|
|
#define BTFIXUPCALL_STG0O0 0xc0220000 /* Possibly optimize to st %g0,[%o0] */
|
| 126 |
|
|
#define BTFIXUPCALL_STO1O0 0xd2220000 /* Possibly optimize to st %o1,[%o0] */
|
| 127 |
|
|
|
| 128 |
|
|
#define BTFIXUPSET_CALL(__name, __addr, __insn) \
|
| 129 |
|
|
do { \
|
| 130 |
|
|
___fs_##__name[0] |= 1; \
|
| 131 |
|
|
___fs_##__name[1] = (unsigned long)__addr; \
|
| 132 |
|
|
___fs_##__name[2] = __insn; \
|
| 133 |
|
|
} while (0)
|
| 134 |
|
|
|
| 135 |
|
|
#define BTFIXUPSET_BLACKBOX(__name, __func) \
|
| 136 |
|
|
do { \
|
| 137 |
|
|
___bs_##__name[0] |= 1; \
|
| 138 |
|
|
___bs_##__name[1] = (unsigned long)__func; \
|
| 139 |
|
|
} while (0)
|
| 140 |
|
|
|
| 141 |
|
|
#define BTFIXUPCOPY_CALL(__name, __from) \
|
| 142 |
|
|
do { \
|
| 143 |
|
|
___fs_##__name[0] |= 1; \
|
| 144 |
|
|
___fs_##__name[1] = ___fs_##__from[1]; \
|
| 145 |
|
|
___fs_##__name[2] = ___fs_##__from[2]; \
|
| 146 |
|
|
} while (0)
|
| 147 |
|
|
|
| 148 |
|
|
#define BTFIXUPSET_SIMM13(__name, __val) \
|
| 149 |
|
|
do { \
|
| 150 |
|
|
___ss_##__name[0] |= 1; \
|
| 151 |
|
|
___ss_##__name[1] = (unsigned)__val; \
|
| 152 |
|
|
} while (0)
|
| 153 |
|
|
|
| 154 |
|
|
#define BTFIXUPCOPY_SIMM13(__name, __from) \
|
| 155 |
|
|
do { \
|
| 156 |
|
|
___ss_##__name[0] |= 1; \
|
| 157 |
|
|
___ss_##__name[1] = ___ss_##__from[1]; \
|
| 158 |
|
|
} while (0)
|
| 159 |
|
|
|
| 160 |
|
|
#define BTFIXUPSET_HALF(__name, __val) \
|
| 161 |
|
|
do { \
|
| 162 |
|
|
___as_##__name[0] |= 1; \
|
| 163 |
|
|
___as_##__name[1] = (unsigned)__val; \
|
| 164 |
|
|
} while (0)
|
| 165 |
|
|
|
| 166 |
|
|
#define BTFIXUPCOPY_HALF(__name, __from) \
|
| 167 |
|
|
do { \
|
| 168 |
|
|
___as_##__name[0] |= 1; \
|
| 169 |
|
|
___as_##__name[1] = ___as_##__from[1]; \
|
| 170 |
|
|
} while (0)
|
| 171 |
|
|
|
| 172 |
|
|
#define BTFIXUPSET_SETHI(__name, __val) \
|
| 173 |
|
|
do { \
|
| 174 |
|
|
___hs_##__name[0] |= 1; \
|
| 175 |
|
|
___hs_##__name[1] = (unsigned)__val; \
|
| 176 |
|
|
} while (0)
|
| 177 |
|
|
|
| 178 |
|
|
#define BTFIXUPCOPY_SETHI(__name, __from) \
|
| 179 |
|
|
do { \
|
| 180 |
|
|
___hs_##__name[0] |= 1; \
|
| 181 |
|
|
___hs_##__name[1] = ___hs_##__from[1]; \
|
| 182 |
|
|
} while (0)
|
| 183 |
|
|
|
| 184 |
|
|
#define BTFIXUPSET_INT(__name, __val) \
|
| 185 |
|
|
do { \
|
| 186 |
|
|
___is_##__name[0] |= 1; \
|
| 187 |
|
|
___is_##__name[1] = (unsigned)__val; \
|
| 188 |
|
|
} while (0)
|
| 189 |
|
|
|
| 190 |
|
|
#define BTFIXUPCOPY_INT(__name, __from) \
|
| 191 |
|
|
do { \
|
| 192 |
|
|
___is_##__name[0] |= 1; \
|
| 193 |
|
|
___is_##__name[1] = ___is_##__from[1]; \
|
| 194 |
|
|
} while (0)
|
| 195 |
|
|
|
| 196 |
|
|
#define BTFIXUPVAL_CALL(__name) \
|
| 197 |
|
|
((unsigned long)___fs_##__name[1])
|
| 198 |
|
|
|
| 199 |
|
|
extern void btfixup(void);
|
| 200 |
|
|
|
| 201 |
|
|
#else /* __ASSEMBLY__ */
|
| 202 |
|
|
|
| 203 |
|
|
#define BTFIXUP_SETHI(__name) %hi(___h_ ## __name)
|
| 204 |
|
|
#define BTFIXUP_SETHI_INIT(__name,__val) %hi(___h_ ## __name ## __btset_ ## __val)
|
| 205 |
|
|
|
| 206 |
|
|
#endif /* __ASSEMBLY__ */
|
| 207 |
|
|
|
| 208 |
|
|
#endif /* !(_SPARC_BTFIXUP_H) */
|
