a46d6056f6
Also we can remove BTFIXUPCALL_SWAPO0G0 as that is no longer used. This was rather amusing, we were setting the btfixup vectors based upon cpu type but all to the same exact generic srmmu routines. Furthermore, we were inconsistently marking the fixup as either BTFIXUPCALL_SWAPO0G0 or BTFIXUPCALL_NORM. What a mess, glad we could untangle this stuff. Signed-off-by: David S. Miller <davem@davemloft.net>
208 lines
7.1 KiB
C
208 lines
7.1 KiB
C
/*
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* asm/btfixup.h: Macros for boot time linking.
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*
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* Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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*/
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#ifndef _SPARC_BTFIXUP_H
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#define _SPARC_BTFIXUP_H
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#include <linux/init.h>
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#ifndef __ASSEMBLY__
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#ifdef MODULE
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extern unsigned int ___illegal_use_of_BTFIXUP_SIMM13_in_module(void);
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extern unsigned int ___illegal_use_of_BTFIXUP_SETHI_in_module(void);
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extern unsigned int ___illegal_use_of_BTFIXUP_HALF_in_module(void);
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extern unsigned int ___illegal_use_of_BTFIXUP_INT_in_module(void);
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#define BTFIXUP_SIMM13(__name) ___illegal_use_of_BTFIXUP_SIMM13_in_module()
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#define BTFIXUP_HALF(__name) ___illegal_use_of_BTFIXUP_HALF_in_module()
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#define BTFIXUP_SETHI(__name) ___illegal_use_of_BTFIXUP_SETHI_in_module()
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#define BTFIXUP_INT(__name) ___illegal_use_of_BTFIXUP_INT_in_module()
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#define BTFIXUP_BLACKBOX(__name) ___illegal_use_of_BTFIXUP_BLACKBOX_in_module
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#else
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#define BTFIXUP_SIMM13(__name) ___sf_##__name()
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#define BTFIXUP_HALF(__name) ___af_##__name()
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#define BTFIXUP_SETHI(__name) ___hf_##__name()
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#define BTFIXUP_INT(__name) ((unsigned int)&___i_##__name)
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/* This must be written in assembly and present in a sethi */
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#define BTFIXUP_BLACKBOX(__name) ___b_##__name
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#endif /* MODULE */
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/* Fixup call xx */
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#define BTFIXUPDEF_CALL(__type, __name, __args...) \
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extern __type ___f_##__name(__args); \
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extern unsigned ___fs_##__name[3];
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#define BTFIXUPDEF_CALL_CONST(__type, __name, __args...) \
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extern __type ___f_##__name(__args) __attribute_const__; \
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extern unsigned ___fs_##__name[3];
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#define BTFIXUP_CALL(__name) ___f_##__name
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#define BTFIXUPDEF_BLACKBOX(__name) \
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extern unsigned ___bs_##__name[2];
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/* Put bottom 13bits into some register variable */
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#define BTFIXUPDEF_SIMM13(__name) \
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static inline unsigned int ___sf_##__name(void) __attribute_const__; \
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extern unsigned ___ss_##__name[2]; \
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static inline unsigned int ___sf_##__name(void) { \
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unsigned int ret; \
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__asm__ ("or %%g0, ___s_" #__name ", %0" : "=r"(ret)); \
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return ret; \
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}
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#define BTFIXUPDEF_SIMM13_INIT(__name,__val) \
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static inline unsigned int ___sf_##__name(void) __attribute_const__; \
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extern unsigned ___ss_##__name[2]; \
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static inline unsigned int ___sf_##__name(void) { \
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unsigned int ret; \
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__asm__ ("or %%g0, ___s_" #__name "__btset_" #__val ", %0" : "=r"(ret));\
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return ret; \
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}
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/* Put either bottom 13 bits, or upper 22 bits into some register variable
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* (depending on the value, this will lead into sethi FIX, reg; or
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* mov FIX, reg; )
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*/
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#define BTFIXUPDEF_HALF(__name) \
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static inline unsigned int ___af_##__name(void) __attribute_const__; \
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extern unsigned ___as_##__name[2]; \
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static inline unsigned int ___af_##__name(void) { \
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unsigned int ret; \
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__asm__ ("or %%g0, ___a_" #__name ", %0" : "=r"(ret)); \
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return ret; \
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}
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#define BTFIXUPDEF_HALF_INIT(__name,__val) \
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static inline unsigned int ___af_##__name(void) __attribute_const__; \
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extern unsigned ___as_##__name[2]; \
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static inline unsigned int ___af_##__name(void) { \
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unsigned int ret; \
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__asm__ ("or %%g0, ___a_" #__name "__btset_" #__val ", %0" : "=r"(ret));\
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return ret; \
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}
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/* Put upper 22 bits into some register variable */
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#define BTFIXUPDEF_SETHI(__name) \
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static inline unsigned int ___hf_##__name(void) __attribute_const__; \
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extern unsigned ___hs_##__name[2]; \
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static inline unsigned int ___hf_##__name(void) { \
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unsigned int ret; \
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__asm__ ("sethi %%hi(___h_" #__name "), %0" : "=r"(ret)); \
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return ret; \
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}
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#define BTFIXUPDEF_SETHI_INIT(__name,__val) \
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static inline unsigned int ___hf_##__name(void) __attribute_const__; \
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extern unsigned ___hs_##__name[2]; \
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static inline unsigned int ___hf_##__name(void) { \
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unsigned int ret; \
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__asm__ ("sethi %%hi(___h_" #__name "__btset_" #__val "), %0" : \
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"=r"(ret)); \
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return ret; \
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}
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/* Put a full 32bit integer into some register variable */
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#define BTFIXUPDEF_INT(__name) \
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extern unsigned char ___i_##__name; \
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extern unsigned ___is_##__name[2];
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#define BTFIXUPCALL_NORM 0x00000000 /* Always call */
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#define BTFIXUPCALL_NOP 0x01000000 /* Possibly optimize to nop */
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#define BTFIXUPCALL_RETINT(i) (0x90102000|((i) & 0x1fff)) /* Possibly optimize to mov i, %o0 */
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#define BTFIXUPCALL_ORINT(i) (0x90122000|((i) & 0x1fff)) /* Possibly optimize to or %o0, i, %o0 */
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#define BTFIXUPCALL_RETO0 0x01000000 /* Return first parameter, actually a nop */
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#define BTFIXUPCALL_ANDNINT(i) (0x902a2000|((i) & 0x1fff)) /* Possibly optimize to andn %o0, i, %o0 */
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#define BTFIXUPCALL_SWAPO0O1 0xd27a0000 /* Possibly optimize to swap [%o0],%o1 */
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#define BTFIXUPCALL_SWAPG1G2 0xc4784000 /* Possibly optimize to swap [%g1],%g2 */
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#define BTFIXUPCALL_STG0O0 0xc0220000 /* Possibly optimize to st %g0,[%o0] */
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#define BTFIXUPCALL_STO1O0 0xd2220000 /* Possibly optimize to st %o1,[%o0] */
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#define BTFIXUPSET_CALL(__name, __addr, __insn) \
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do { \
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___fs_##__name[0] |= 1; \
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___fs_##__name[1] = (unsigned long)__addr; \
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___fs_##__name[2] = __insn; \
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} while (0)
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#define BTFIXUPSET_BLACKBOX(__name, __func) \
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do { \
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___bs_##__name[0] |= 1; \
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___bs_##__name[1] = (unsigned long)__func; \
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} while (0)
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#define BTFIXUPCOPY_CALL(__name, __from) \
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do { \
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___fs_##__name[0] |= 1; \
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___fs_##__name[1] = ___fs_##__from[1]; \
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___fs_##__name[2] = ___fs_##__from[2]; \
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} while (0)
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#define BTFIXUPSET_SIMM13(__name, __val) \
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do { \
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___ss_##__name[0] |= 1; \
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___ss_##__name[1] = (unsigned)__val; \
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} while (0)
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#define BTFIXUPCOPY_SIMM13(__name, __from) \
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do { \
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___ss_##__name[0] |= 1; \
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___ss_##__name[1] = ___ss_##__from[1]; \
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} while (0)
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#define BTFIXUPSET_HALF(__name, __val) \
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do { \
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___as_##__name[0] |= 1; \
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___as_##__name[1] = (unsigned)__val; \
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} while (0)
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#define BTFIXUPCOPY_HALF(__name, __from) \
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do { \
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___as_##__name[0] |= 1; \
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___as_##__name[1] = ___as_##__from[1]; \
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} while (0)
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#define BTFIXUPSET_SETHI(__name, __val) \
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do { \
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___hs_##__name[0] |= 1; \
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___hs_##__name[1] = (unsigned)__val; \
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} while (0)
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#define BTFIXUPCOPY_SETHI(__name, __from) \
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do { \
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___hs_##__name[0] |= 1; \
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___hs_##__name[1] = ___hs_##__from[1]; \
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} while (0)
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#define BTFIXUPSET_INT(__name, __val) \
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do { \
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___is_##__name[0] |= 1; \
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___is_##__name[1] = (unsigned)__val; \
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} while (0)
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#define BTFIXUPCOPY_INT(__name, __from) \
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do { \
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___is_##__name[0] |= 1; \
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___is_##__name[1] = ___is_##__from[1]; \
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} while (0)
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#define BTFIXUPVAL_CALL(__name) \
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((unsigned long)___fs_##__name[1])
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extern void btfixup(void);
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#else /* __ASSEMBLY__ */
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#define BTFIXUP_SETHI(__name) %hi(___h_ ## __name)
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#define BTFIXUP_SETHI_INIT(__name,__val) %hi(___h_ ## __name ## __btset_ ## __val)
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#endif /* __ASSEMBLY__ */
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#endif /* !(_SPARC_BTFIXUP_H) */
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