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. */ 23 static 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 #include <asm/processor-generic.h> 32 33 #endif 34