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H. Peter Anvine845c062008-01-30 13:30:06 +01001#ifndef _ASM_X86_ASM_H
2#define _ASM_X86_ASM_H
3
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -07004#ifdef __ASSEMBLY__
5# define __ASM_FORM(x) x
Glauber Costa6c2d4582008-06-24 12:05:11 -03006# define __ASM_EX_SEC .section __ex_table
H. Peter Anvine845c062008-01-30 13:30:06 +01007#else
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -07008# define __ASM_FORM(x) " " #x " "
Glauber Costa6c2d4582008-06-24 12:05:11 -03009# define __ASM_EX_SEC " .section __ex_table,\"a\"\n"
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070010#endif
H. Peter Anvine845c062008-01-30 13:30:06 +010011
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070012#ifdef CONFIG_X86_32
13# define __ASM_SEL(a,b) __ASM_FORM(a)
14#else
15# define __ASM_SEL(a,b) __ASM_FORM(b)
16#endif
H. Peter Anvine845c062008-01-30 13:30:06 +010017
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070018#define __ASM_SIZE(inst) __ASM_SEL(inst##l, inst##q)
Glauber Costa40faf462008-06-24 11:37:57 -030019#define __ASM_REG(reg) __ASM_SEL(e##reg, r##reg)
Harvey Harrison8ee57972008-01-30 13:31:26 +010020
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070021#define _ASM_PTR __ASM_SEL(.long, .quad)
22#define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8)
23#define _ASM_MOV_UL __ASM_SIZE(mov)
24
25#define _ASM_INC __ASM_SIZE(inc)
26#define _ASM_DEC __ASM_SIZE(dec)
27#define _ASM_ADD __ASM_SIZE(add)
28#define _ASM_SUB __ASM_SIZE(sub)
29#define _ASM_XADD __ASM_SIZE(xadd)
Glauber Costa40faf462008-06-24 11:37:57 -030030#define _ASM_AX __ASM_REG(ax)
31#define _ASM_DX __ASM_REG(dx)
H. Peter Anvine845c062008-01-30 13:30:06 +010032
H. Peter Anvina34746b2008-02-04 16:47:56 +010033/* Exception table entry */
34# define _ASM_EXTABLE(from,to) \
Glauber Costa6c2d4582008-06-24 12:05:11 -030035 __ASM_EX_SEC \
H. Peter Anvina34746b2008-02-04 16:47:56 +010036 _ASM_ALIGN "\n" \
37 _ASM_PTR #from "," #to "\n" \
38 " .previous\n"
39
H. Peter Anvine845c062008-01-30 13:30:06 +010040#endif /* _ASM_X86_ASM_H */