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(¤t->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 33