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H. Peter Anvin1965aae2008-10-22 22:26:29 -07001#ifndef _ASM_X86_ASM_H
2#define _ASM_X86_ASM_H
H. Peter Anvine845c062008-01-30 13:30:06 +01003
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -07004#ifdef __ASSEMBLY__
5# define __ASM_FORM(x) x
Jan-Simon Möller3e9b2322013-08-29 21:13:04 +02006# define __ASM_FORM_RAW(x) x
Jan Beulicha7500362011-07-19 13:00:45 +01007# define __ASM_FORM_COMMA(x) x,
H. Peter Anvine845c062008-01-30 13:30:06 +01008#else
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -07009# define __ASM_FORM(x) " " #x " "
Jan-Simon Möller3e9b2322013-08-29 21:13:04 +020010# define __ASM_FORM_RAW(x) #x
Jan Beulicha7500362011-07-19 13:00:45 +010011# define __ASM_FORM_COMMA(x) " " #x ","
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070012#endif
H. Peter Anvine845c062008-01-30 13:30:06 +010013
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070014#ifdef CONFIG_X86_32
15# define __ASM_SEL(a,b) __ASM_FORM(a)
Jan-Simon Möller3e9b2322013-08-29 21:13:04 +020016# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a)
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070017#else
18# define __ASM_SEL(a,b) __ASM_FORM(b)
Jan-Simon Möller3e9b2322013-08-29 21:13:04 +020019# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b)
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070020#endif
H. Peter Anvine845c062008-01-30 13:30:06 +010021
Jan Beulich4625cd62011-07-19 12:59:51 +010022#define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \
23 inst##q##__VA_ARGS__)
Jan-Simon Möller3e9b2322013-08-29 21:13:04 +020024#define __ASM_REG(reg) __ASM_SEL_RAW(e##reg, r##reg)
Harvey Harrison8ee57972008-01-30 13:31:26 +010025
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070026#define _ASM_PTR __ASM_SEL(.long, .quad)
27#define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8)
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070028
H. Peter Anvin8df96762008-08-18 18:13:33 -070029#define _ASM_MOV __ASM_SIZE(mov)
Jeremy Fitzhardingee6e07d82008-06-16 16:08:17 -070030#define _ASM_INC __ASM_SIZE(inc)
31#define _ASM_DEC __ASM_SIZE(dec)
32#define _ASM_ADD __ASM_SIZE(add)
33#define _ASM_SUB __ASM_SIZE(sub)
34#define _ASM_XADD __ASM_SIZE(xadd)
H. Peter Anvin8df96762008-08-18 18:13:33 -070035
Glauber Costa40faf462008-06-24 11:37:57 -030036#define _ASM_AX __ASM_REG(ax)
Glauber Costa2528de42008-06-24 17:36:31 -030037#define _ASM_BX __ASM_REG(bx)
38#define _ASM_CX __ASM_REG(cx)
Glauber Costa40faf462008-06-24 11:37:57 -030039#define _ASM_DX __ASM_REG(dx)
H. Peter Anvin8df96762008-08-18 18:13:33 -070040#define _ASM_SP __ASM_REG(sp)
41#define _ASM_BP __ASM_REG(bp)
42#define _ASM_SI __ASM_REG(si)
43#define _ASM_DI __ASM_REG(di)
H. Peter Anvine845c062008-01-30 13:30:06 +010044
H. Peter Anvina34746b2008-02-04 16:47:56 +010045/* Exception table entry */
H. Peter Anvin709972b2009-08-31 11:57:20 -070046#ifdef __ASSEMBLY__
H. Peter Anvin535c0c32012-04-20 16:57:35 -070047# define _ASM_EXTABLE(from,to) \
48 .pushsection "__ex_table","a" ; \
H. Peter Anvin70627652012-04-20 17:12:48 -070049 .balign 8 ; \
50 .long (from) - . ; \
51 .long (to) - . ; \
H. Peter Anvin535c0c32012-04-20 16:57:35 -070052 .popsection
53
54# define _ASM_EXTABLE_EX(from,to) \
55 .pushsection "__ex_table","a" ; \
H. Peter Anvin70627652012-04-20 17:12:48 -070056 .balign 8 ; \
57 .long (from) - . ; \
58 .long (to) - . + 0x7ffffff0 ; \
H. Peter Anvind4541802012-04-20 12:12:27 -070059 .popsection
H. Peter Anvin709972b2009-08-31 11:57:20 -070060#else
H. Peter Anvin535c0c32012-04-20 16:57:35 -070061# define _ASM_EXTABLE(from,to) \
62 " .pushsection \"__ex_table\",\"a\"\n" \
H. Peter Anvin70627652012-04-20 17:12:48 -070063 " .balign 8\n" \
64 " .long (" #from ") - .\n" \
65 " .long (" #to ") - .\n" \
H. Peter Anvin535c0c32012-04-20 16:57:35 -070066 " .popsection\n"
67
68# define _ASM_EXTABLE_EX(from,to) \
69 " .pushsection \"__ex_table\",\"a\"\n" \
H. Peter Anvin70627652012-04-20 17:12:48 -070070 " .balign 8\n" \
71 " .long (" #from ") - .\n" \
72 " .long (" #to ") - . + 0x7ffffff0\n" \
H. Peter Anvind4541802012-04-20 12:12:27 -070073 " .popsection\n"
H. Peter Anvin709972b2009-08-31 11:57:20 -070074#endif
H. Peter Anvina34746b2008-02-04 16:47:56 +010075
H. Peter Anvin1965aae2008-10-22 22:26:29 -070076#endif /* _ASM_X86_ASM_H */