209 lines
7.1 KiB
C
209 lines
7.1 KiB
C
/*
|
|
* asm-sparc/btfixup.h: Macros for boot time linking.
|
|
*
|
|
* Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
|
|
*/
|
|
|
|
#ifndef _SPARC_BTFIXUP_H
|
|
#define _SPARC_BTFIXUP_H
|
|
|
|
#include <linux/init.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#ifdef MODULE
|
|
extern unsigned int ___illegal_use_of_BTFIXUP_SIMM13_in_module(void);
|
|
extern unsigned int ___illegal_use_of_BTFIXUP_SETHI_in_module(void);
|
|
extern unsigned int ___illegal_use_of_BTFIXUP_HALF_in_module(void);
|
|
extern unsigned int ___illegal_use_of_BTFIXUP_INT_in_module(void);
|
|
|
|
#define BTFIXUP_SIMM13(__name) ___illegal_use_of_BTFIXUP_SIMM13_in_module()
|
|
#define BTFIXUP_HALF(__name) ___illegal_use_of_BTFIXUP_HALF_in_module()
|
|
#define BTFIXUP_SETHI(__name) ___illegal_use_of_BTFIXUP_SETHI_in_module()
|
|
#define BTFIXUP_INT(__name) ___illegal_use_of_BTFIXUP_INT_in_module()
|
|
#define BTFIXUP_BLACKBOX(__name) ___illegal_use_of_BTFIXUP_BLACKBOX_in_module
|
|
|
|
#else
|
|
|
|
#define BTFIXUP_SIMM13(__name) ___sf_##__name()
|
|
#define BTFIXUP_HALF(__name) ___af_##__name()
|
|
#define BTFIXUP_SETHI(__name) ___hf_##__name()
|
|
#define BTFIXUP_INT(__name) ((unsigned int)&___i_##__name)
|
|
/* This must be written in assembly and present in a sethi */
|
|
#define BTFIXUP_BLACKBOX(__name) ___b_##__name
|
|
#endif /* MODULE */
|
|
|
|
/* Fixup call xx */
|
|
|
|
#define BTFIXUPDEF_CALL(__type, __name, __args...) \
|
|
extern __type ___f_##__name(__args); \
|
|
extern unsigned ___fs_##__name[3];
|
|
#define BTFIXUPDEF_CALL_CONST(__type, __name, __args...) \
|
|
extern __type ___f_##__name(__args) __attribute_const__; \
|
|
extern unsigned ___fs_##__name[3];
|
|
#define BTFIXUP_CALL(__name) ___f_##__name
|
|
|
|
#define BTFIXUPDEF_BLACKBOX(__name) \
|
|
extern unsigned ___bs_##__name[2];
|
|
|
|
/* Put bottom 13bits into some register variable */
|
|
|
|
#define BTFIXUPDEF_SIMM13(__name) \
|
|
static inline unsigned int ___sf_##__name(void) __attribute_const__; \
|
|
extern unsigned ___ss_##__name[2]; \
|
|
static inline unsigned int ___sf_##__name(void) { \
|
|
unsigned int ret; \
|
|
__asm__ ("or %%g0, ___s_" #__name ", %0" : "=r"(ret)); \
|
|
return ret; \
|
|
}
|
|
#define BTFIXUPDEF_SIMM13_INIT(__name,__val) \
|
|
static inline unsigned int ___sf_##__name(void) __attribute_const__; \
|
|
extern unsigned ___ss_##__name[2]; \
|
|
static inline unsigned int ___sf_##__name(void) { \
|
|
unsigned int ret; \
|
|
__asm__ ("or %%g0, ___s_" #__name "__btset_" #__val ", %0" : "=r"(ret));\
|
|
return ret; \
|
|
}
|
|
|
|
/* Put either bottom 13 bits, or upper 22 bits into some register variable
|
|
* (depending on the value, this will lead into sethi FIX, reg; or
|
|
* mov FIX, reg; )
|
|
*/
|
|
|
|
#define BTFIXUPDEF_HALF(__name) \
|
|
static inline unsigned int ___af_##__name(void) __attribute_const__; \
|
|
extern unsigned ___as_##__name[2]; \
|
|
static inline unsigned int ___af_##__name(void) { \
|
|
unsigned int ret; \
|
|
__asm__ ("or %%g0, ___a_" #__name ", %0" : "=r"(ret)); \
|
|
return ret; \
|
|
}
|
|
#define BTFIXUPDEF_HALF_INIT(__name,__val) \
|
|
static inline unsigned int ___af_##__name(void) __attribute_const__; \
|
|
extern unsigned ___as_##__name[2]; \
|
|
static inline unsigned int ___af_##__name(void) { \
|
|
unsigned int ret; \
|
|
__asm__ ("or %%g0, ___a_" #__name "__btset_" #__val ", %0" : "=r"(ret));\
|
|
return ret; \
|
|
}
|
|
|
|
/* Put upper 22 bits into some register variable */
|
|
|
|
#define BTFIXUPDEF_SETHI(__name) \
|
|
static inline unsigned int ___hf_##__name(void) __attribute_const__; \
|
|
extern unsigned ___hs_##__name[2]; \
|
|
static inline unsigned int ___hf_##__name(void) { \
|
|
unsigned int ret; \
|
|
__asm__ ("sethi %%hi(___h_" #__name "), %0" : "=r"(ret)); \
|
|
return ret; \
|
|
}
|
|
#define BTFIXUPDEF_SETHI_INIT(__name,__val) \
|
|
static inline unsigned int ___hf_##__name(void) __attribute_const__; \
|
|
extern unsigned ___hs_##__name[2]; \
|
|
static inline unsigned int ___hf_##__name(void) { \
|
|
unsigned int ret; \
|
|
__asm__ ("sethi %%hi(___h_" #__name "__btset_" #__val "), %0" : \
|
|
"=r"(ret)); \
|
|
return ret; \
|
|
}
|
|
|
|
/* Put a full 32bit integer into some register variable */
|
|
|
|
#define BTFIXUPDEF_INT(__name) \
|
|
extern unsigned char ___i_##__name; \
|
|
extern unsigned ___is_##__name[2];
|
|
|
|
#define BTFIXUPCALL_NORM 0x00000000 /* Always call */
|
|
#define BTFIXUPCALL_NOP 0x01000000 /* Possibly optimize to nop */
|
|
#define BTFIXUPCALL_RETINT(i) (0x90102000|((i) & 0x1fff)) /* Possibly optimize to mov i, %o0 */
|
|
#define BTFIXUPCALL_ORINT(i) (0x90122000|((i) & 0x1fff)) /* Possibly optimize to or %o0, i, %o0 */
|
|
#define BTFIXUPCALL_RETO0 0x01000000 /* Return first parameter, actually a nop */
|
|
#define BTFIXUPCALL_ANDNINT(i) (0x902a2000|((i) & 0x1fff)) /* Possibly optimize to andn %o0, i, %o0 */
|
|
#define BTFIXUPCALL_SWAPO0O1 0xd27a0000 /* Possibly optimize to swap [%o0],%o1 */
|
|
#define BTFIXUPCALL_SWAPO0G0 0xc07a0000 /* Possibly optimize to swap [%o0],%g0 */
|
|
#define BTFIXUPCALL_SWAPG1G2 0xc4784000 /* Possibly optimize to swap [%g1],%g2 */
|
|
#define BTFIXUPCALL_STG0O0 0xc0220000 /* Possibly optimize to st %g0,[%o0] */
|
|
#define BTFIXUPCALL_STO1O0 0xd2220000 /* Possibly optimize to st %o1,[%o0] */
|
|
|
|
#define BTFIXUPSET_CALL(__name, __addr, __insn) \
|
|
do { \
|
|
___fs_##__name[0] |= 1; \
|
|
___fs_##__name[1] = (unsigned long)__addr; \
|
|
___fs_##__name[2] = __insn; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPSET_BLACKBOX(__name, __func) \
|
|
do { \
|
|
___bs_##__name[0] |= 1; \
|
|
___bs_##__name[1] = (unsigned long)__func; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPCOPY_CALL(__name, __from) \
|
|
do { \
|
|
___fs_##__name[0] |= 1; \
|
|
___fs_##__name[1] = ___fs_##__from[1]; \
|
|
___fs_##__name[2] = ___fs_##__from[2]; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPSET_SIMM13(__name, __val) \
|
|
do { \
|
|
___ss_##__name[0] |= 1; \
|
|
___ss_##__name[1] = (unsigned)__val; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPCOPY_SIMM13(__name, __from) \
|
|
do { \
|
|
___ss_##__name[0] |= 1; \
|
|
___ss_##__name[1] = ___ss_##__from[1]; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPSET_HALF(__name, __val) \
|
|
do { \
|
|
___as_##__name[0] |= 1; \
|
|
___as_##__name[1] = (unsigned)__val; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPCOPY_HALF(__name, __from) \
|
|
do { \
|
|
___as_##__name[0] |= 1; \
|
|
___as_##__name[1] = ___as_##__from[1]; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPSET_SETHI(__name, __val) \
|
|
do { \
|
|
___hs_##__name[0] |= 1; \
|
|
___hs_##__name[1] = (unsigned)__val; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPCOPY_SETHI(__name, __from) \
|
|
do { \
|
|
___hs_##__name[0] |= 1; \
|
|
___hs_##__name[1] = ___hs_##__from[1]; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPSET_INT(__name, __val) \
|
|
do { \
|
|
___is_##__name[0] |= 1; \
|
|
___is_##__name[1] = (unsigned)__val; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPCOPY_INT(__name, __from) \
|
|
do { \
|
|
___is_##__name[0] |= 1; \
|
|
___is_##__name[1] = ___is_##__from[1]; \
|
|
} while (0)
|
|
|
|
#define BTFIXUPVAL_CALL(__name) \
|
|
((unsigned long)___fs_##__name[1])
|
|
|
|
extern void btfixup(void);
|
|
|
|
#else /* __ASSEMBLY__ */
|
|
|
|
#define BTFIXUP_SETHI(__name) %hi(___h_ ## __name)
|
|
#define BTFIXUP_SETHI_INIT(__name,__val) %hi(___h_ ## __name ## __btset_ ## __val)
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* !(_SPARC_BTFIXUP_H) */
|