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 x86_configure_nx(void);
  20 extern void x86_report_nx(void);
  21
  22 extern int reboot_force;
  23
  24 long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
  25
  26 /*
  27  * This looks more complex than it should be. But we need to
  28  * get the type for the ~ right in round_down (it needs to be
  29  * as wide as the result!), and we want to evaluate the macro
  30  * arguments just once each.
  31  */
  32 #define __round_mask(x,y) ((__typeof__(x))((y)-1))
  33 #define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1)
  34 #define round_down(x,y) ((x) & ~__round_mask(x,y))
  35
  36 #endif /* _ASM_X86_PROTO_H */