1 #ifndef _ASM_X86_PROTO_H
2 #define _ASM_X86_PROTO_H
6 /* misc architecture specific prototypes */
8 extern void early_idt_handler(void);
10 extern void system_call(void);
11 extern void syscall_init(void);
13 extern void ia32_syscall(void);
14 extern void ia32_cstar_target(void);
15 extern void ia32_sysenter_target(void);
17 extern void syscall32_cpu_init(void);
19 extern void check_efer(void);
21 extern int reboot_force;
23 long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
26 * This looks more complex than it should be. But we need to
27 * get the type for the ~ right in round_down (it needs to be
28 * as wide as the result!), and we want to evaluate the macro
29 * arguments just once each.
31 #define __round_mask(x,y) ((__typeof__(x))((y)-1))
32 #define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1)
33 #define round_down(x,y) ((x) & ~__round_mask(x,y))
35 #endif /* _ASM_X86_PROTO_H */