1#ifndef __UM_PROCESSOR_H
 2#define __UM_PROCESSOR_H
 3
 4/* include faultinfo structure */
 5#include <sysdep/faultinfo.h>
 6
 7#ifdef CONFIG_X86_32
 8# include "processor_32.h"
 9#else
10# include "processor_64.h"
11#endif
12
13#define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP)
14#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP)
15#define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP)
16
17#define ARCH_IS_STACKGROW(address) \
18       (address + 65536 + 32 * sizeof(unsigned long) >= UPT_SP(&current->thread.regs.regs))
19
20#include <asm/user.h>
21
22/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
23static inline void rep_nop(void)
24{
25	__asm__ __volatile__("rep;nop": : :"memory");
26}
27
28#define cpu_relax()		rep_nop()
29#define cpu_relax_lowlatency()	cpu_relax()
30
31#define task_pt_regs(t) (&(t)->thread.regs)
32
33#include <asm/processor-generic.h>
34
35#endif

 1#ifndef __UM_PROCESSOR_H
 2#define __UM_PROCESSOR_H
 3
 4/* include faultinfo structure */
 5#include <sysdep/faultinfo.h>
 6
 7#ifdef CONFIG_X86_32
 8# include "processor_32.h"
 9#else
10# include "processor_64.h"
11#endif
12
13#define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP)
14#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP)
15#define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP)
16
17#define ARCH_IS_STACKGROW(address) \
18       (address + 65536 + 32 * sizeof(unsigned long) >= UPT_SP(&current->thread.regs.regs))
19
20#include <asm/user.h>
21
22/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
23static inline void rep_nop(void)
24{
25	__asm__ __volatile__("rep;nop": : :"memory");
26}
27
28#define cpu_relax()	rep_nop()
 
 
 
29
30#include <asm/processor-generic.h>
31
32#endif