[net-next-2.6.git] / arch / x86 / include / asm / trampoline.h

#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;
extern unsigned long initial_page_table;
extern unsigned long initial_gs;

#define TRAMPOLINE_SIZE roundup(trampoline_end - trampoline_data, PAGE_SIZE)

extern unsigned long setup_trampoline(void);
extern void __init setup_trampoline_page_table(void);
extern void __init reserve_trampoline_memory(void);
#else
static inline void setup_trampoline_page_table(void) {}
static inline void reserve_trampoline_memory(void) {}
#endif /* CONFIG_X86_TRAMPOLINE */

#endif /* __ASSEMBLY__ */

#endif /* _ASM_X86_TRAMPOLINE_H */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_TRAMPOLINE_H
1965aae3 PA	2	#define _ASM_X86_TRAMPOLINE_H
e44b7b75 PM	3
	4	#ifndef __ASSEMBLY__
	5
3e1e9002	6	#ifdef CONFIG_X86_TRAMPOLINE
e44b7b75 PM	7	/*
	8	* Trampoline 80x86 program as an array.
	9	*/
	10	extern const unsigned char trampoline_data [];
	11	extern const unsigned char trampoline_end [];
	12	extern unsigned char *trampoline_base;
	13
	14	extern unsigned long init_rsp;
	15	extern unsigned long initial_code;
fd89a137	16	extern unsigned long initial_page_table;
f32ff538	17	extern unsigned long initial_gs;
e44b7b75	18
3e1e9002	19	#define TRAMPOLINE_SIZE roundup(trampoline_end - trampoline_data, PAGE_SIZE)
3e1e9002	20
e44b7b75	21	extern unsigned long setup_trampoline(void);
fd89a137	22	extern void __init setup_trampoline_page_table(void);
3e1e9002 RW	23	extern void __init reserve_trampoline_memory(void);
3e1e9002 RW	24	#else
8848a910 PA	25	static inline void setup_trampoline_page_table(void) {}
8848a910 PA	26	static inline void reserve_trampoline_memory(void) {}
3e1e9002	27	#endif /* CONFIG_X86_TRAMPOLINE */
e44b7b75 PM	28
	29	#endif /* __ASSEMBLY__ */
	30
1965aae3	31	#endif /* _ASM_X86_TRAMPOLINE_H */