summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/proto.h
blob: 4009f6534f521a64138dd6796c14a2c38a791f85 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
#ifndef _ASM_X86_PROTO_H
#define _ASM_X86_PROTO_H

#include <asm/ldt.h>

/* misc architecture specific prototypes */

void early_idt_handler(void);

void system_call(void);
void syscall_init(void);

void ia32_syscall(void);
void ia32_cstar_target(void);
void ia32_sysenter_target(void);

void syscall32_cpu_init(void);

void x86_configure_nx(void);
void x86_report_nx(void);

extern int reboot_force;

long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);

/*
 * This looks more complex than it should be. But we need to
 * get the type for the ~ right in round_down (it needs to be
 * as wide as the result!), and we want to evaluate the macro
 * arguments just once each.
 */
#define __round_mask(x,y) ((__typeof__(x))((y)-1))
#define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1)
#define round_down(x,y) ((x) & ~__round_mask(x,y))

#endif /* _ASM_X86_PROTO_H */