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Diffstat (limited to 'arch/x86/include/asm/trampoline.h')
| -rw-r--r-- | arch/x86/include/asm/trampoline.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/include/asm/trampoline.h b/arch/x86/include/asm/trampoline.h new file mode 100644 index 00000000000..780ba0ab94f --- /dev/null +++ b/arch/x86/include/asm/trampoline.h @@ -0,0 +1,28 @@ +#ifndef _ASM_X86_TRAMPOLINE_H +#define _ASM_X86_TRAMPOLINE_H + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_X86_TRAMPOLINE +/* + * Trampoline 80x86 program as an array. + */ +extern const unsigned char trampoline_data []; +extern const unsigned char trampoline_end []; +extern unsigned char *trampoline_base; + +extern unsigned long init_rsp; +extern unsigned long initial_code; + +#define TRAMPOLINE_SIZE roundup(trampoline_end - trampoline_data, PAGE_SIZE) +#define TRAMPOLINE_BASE 0x6000 + +extern unsigned long setup_trampoline(void); +extern void __init reserve_trampoline_memory(void); +#else +static inline void reserve_trampoline_memory(void) {}; +#endif /* CONFIG_X86_TRAMPOLINE */ + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_X86_TRAMPOLINE_H */ |