8848a91068
Fix dummy inline stubs for trampoline-related functions when no trampolines exist (until we get rid of the no-trampoline case entirely.) Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Joerg Roedel <joerg.roedel@amd.com> Cc: Borislav Petkov <borislav.petkov@amd.com> LKML-Reference: <4C6C294D.3030404@zytor.com>
32 lines
878 B
C
32 lines
878 B
C
#ifndef _ASM_X86_TRAMPOLINE_H
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#define _ASM_X86_TRAMPOLINE_H
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#ifndef __ASSEMBLY__
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#ifdef CONFIG_X86_TRAMPOLINE
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/*
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* Trampoline 80x86 program as an array.
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*/
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extern const unsigned char trampoline_data [];
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extern const unsigned char trampoline_end [];
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extern unsigned char *trampoline_base;
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extern unsigned long init_rsp;
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extern unsigned long initial_code;
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extern unsigned long initial_page_table;
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extern unsigned long initial_gs;
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#define TRAMPOLINE_SIZE roundup(trampoline_end - trampoline_data, PAGE_SIZE)
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extern unsigned long setup_trampoline(void);
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extern void __init setup_trampoline_page_table(void);
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extern void __init reserve_trampoline_memory(void);
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#else
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static inline void setup_trampoline_page_table(void) {}
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static inline void reserve_trampoline_memory(void) {}
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#endif /* CONFIG_X86_TRAMPOLINE */
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_X86_TRAMPOLINE_H */
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