arch/x86/include/asm/proto.h

   1 #ifndef _ASM_X86_PROTO_H
   2 #define _ASM_X86_PROTO_H
   3
   4 #include <asm/ldt.h>
   5
   6 /* misc architecture specific prototypes */
   7
   8 extern void early_idt_handler(void);
   9
  10 extern void system_call(void);
  11 extern void syscall_init(void);
  12
  13 extern void ia32_syscall(void);
  14 extern void ia32_cstar_target(void);
  15 extern void ia32_sysenter_target(void);
  16
  17 extern void syscall32_cpu_init(void);
  18
  19 extern void check_efer(void);
  20
  21 extern int reboot_force;
  22
  23 long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
  24
  25 /*
  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.
  30  */
  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))
  34
  35 #endif /* _ASM_X86_PROTO_H */