39 lines
2.3 KiB
C
39 lines
2.3 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _I386_ALTERNATIVE_H
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#define _I386_ALTERNATIVE_H
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#include <asm/types.h>
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#include <linux/stddef.h>
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#include <linux/types.h>
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struct alt_instr {
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u8 *instr;
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u8 *replacement;
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u8 cpuid;
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u8 instrlen;
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u8 replacementlen;
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u8 pad;
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};
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struct module;
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#define alternative(oldinstr, newinstr, feature) asm volatile ("661:\n\t" oldinstr "\n662:\n" ".section .altinstructions,\"a\"\n" " .align 4\n" " .long 661b\n" " .long 663f\n" " .byte %c0\n" " .byte 662b-661b\n" " .byte 664f-663f\n" ".previous\n" ".section .altinstr_replacement,\"ax\"\n" "663:\n\t" newinstr "\n664:\n" ".previous" :: "i" (feature) : "memory")
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#define alternative_input(oldinstr, newinstr, feature, input...) asm volatile ("661:\n\t" oldinstr "\n662:\n" ".section .altinstructions,\"a\"\n" " .align 4\n" " .long 661b\n" " .long 663f\n" " .byte %c0\n" " .byte 662b-661b\n" " .byte 664f-663f\n" ".previous\n" ".section .altinstr_replacement,\"ax\"\n" "663:\n\t" newinstr "\n664:\n" ".previous" :: "i" (feature), ##input)
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#define alternative_io(oldinstr, newinstr, feature, output, input...) asm volatile ("661:\n\t" oldinstr "\n662:\n" ".section .altinstructions,\"a\"\n" " .align 4\n" " .long 661b\n" " .long 663f\n" " .byte %c[feat]\n" " .byte 662b-661b\n" " .byte 664f-663f\n" ".previous\n" ".section .altinstr_replacement,\"ax\"\n" "663:\n\t" newinstr "\n664:\n" ".previous" : output : [feat] "i" (feature), ##input)
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#define ASM_OUTPUT2(a, b) a, b
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#define LOCK_PREFIX ""
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#define __parainstructions NULL
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#define __parainstructions_end NULL
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#endif
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