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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5270 | serge | 1 | #ifndef _ASM_X86_ASM_H |
| 2 | #define _ASM_X86_ASM_H |
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| 3 | |||
| 4 | #ifdef __ASSEMBLY__ |
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| 5 | # define __ASM_FORM(x) x |
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| 6 | # define __ASM_FORM_RAW(x) x |
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| 7 | # define __ASM_FORM_COMMA(x) x, |
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| 8 | #else |
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| 9 | # define __ASM_FORM(x) " " #x " " |
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| 10 | # define __ASM_FORM_RAW(x) #x |
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| 11 | # define __ASM_FORM_COMMA(x) " " #x "," |
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| 12 | #endif |
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| 13 | |||
| 14 | #ifdef CONFIG_X86_32 |
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| 15 | # define __ASM_SEL(a,b) __ASM_FORM(a) |
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| 16 | # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a) |
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| 17 | #else |
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| 18 | # define __ASM_SEL(a,b) __ASM_FORM(b) |
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| 19 | # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b) |
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| 20 | #endif |
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| 21 | |||
| 22 | #define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \ |
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| 23 | inst##q##__VA_ARGS__) |
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| 24 | #define __ASM_REG(reg) __ASM_SEL_RAW(e##reg, r##reg) |
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| 25 | |||
| 26 | #define _ASM_PTR __ASM_SEL(.long, .quad) |
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| 27 | #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) |
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| 28 | |||
| 29 | #define _ASM_MOV __ASM_SIZE(mov) |
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| 30 | #define _ASM_INC __ASM_SIZE(inc) |
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| 31 | #define _ASM_DEC __ASM_SIZE(dec) |
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| 32 | #define _ASM_ADD __ASM_SIZE(add) |
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| 33 | #define _ASM_SUB __ASM_SIZE(sub) |
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| 34 | #define _ASM_XADD __ASM_SIZE(xadd) |
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| 35 | |||
| 36 | #define _ASM_AX __ASM_REG(ax) |
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| 37 | #define _ASM_BX __ASM_REG(bx) |
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| 38 | #define _ASM_CX __ASM_REG(cx) |
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| 39 | #define _ASM_DX __ASM_REG(dx) |
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| 40 | #define _ASM_SP __ASM_REG(sp) |
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| 41 | #define _ASM_BP __ASM_REG(bp) |
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| 42 | #define _ASM_SI __ASM_REG(si) |
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| 43 | #define _ASM_DI __ASM_REG(di) |
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| 44 | |||
| 45 | /* Exception table entry */ |
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| 46 | #ifdef __ASSEMBLY__ |
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| 47 | # define _ASM_EXTABLE(from,to) \ |
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| 48 | .pushsection "__ex_table","a" ; \ |
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| 49 | .balign 8 ; \ |
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| 50 | .long (from) - . ; \ |
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| 51 | .long (to) - . ; \ |
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| 52 | .popsection |
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| 53 | |||
| 54 | # define _ASM_EXTABLE_EX(from,to) \ |
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| 55 | .pushsection "__ex_table","a" ; \ |
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| 56 | .balign 8 ; \ |
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| 57 | .long (from) - . ; \ |
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| 58 | .long (to) - . + 0x7ffffff0 ; \ |
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| 59 | .popsection |
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| 60 | |||
| 61 | # define _ASM_NOKPROBE(entry) \ |
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| 62 | .pushsection "_kprobe_blacklist","aw" ; \ |
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| 63 | _ASM_ALIGN ; \ |
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| 64 | _ASM_PTR (entry); \ |
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| 65 | .popsection |
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| 66 | #else |
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| 67 | # define _ASM_EXTABLE(from,to) \ |
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| 68 | " .pushsection \"__ex_table\",\"a\"\n" \ |
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| 69 | " .balign 8\n" \ |
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| 70 | " .long (" #from ") - .\n" \ |
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| 71 | " .long (" #to ") - .\n" \ |
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| 72 | " .popsection\n" |
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| 73 | |||
| 74 | # define _ASM_EXTABLE_EX(from,to) \ |
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| 75 | " .pushsection \"__ex_table\",\"a\"\n" \ |
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| 76 | " .balign 8\n" \ |
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| 77 | " .long (" #from ") - .\n" \ |
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| 78 | " .long (" #to ") - . + 0x7ffffff0\n" \ |
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| 79 | " .popsection\n" |
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| 80 | /* For C file, we already have NOKPROBE_SYMBOL macro */ |
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| 81 | #endif |
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| 82 | |||
| 83 | #endif /* _ASM_X86_ASM_H */ |