linux/arch/x86/um/asm/processor.h
Al Viro c56334dbf7 um: merge processor_{32,64}.h a bit...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25 00:29:55 +01:00

33 lines
723 B
C

#ifndef __UM_PROCESSOR_H
#define __UM_PROCESSOR_H
/* include faultinfo structure */
#include <sysdep/faultinfo.h>
#ifdef CONFIG_X86_32
# include "processor_32.h"
#else
# include "processor_64.h"
#endif
#define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP)
#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP)
#define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP)
#define ARCH_IS_STACKGROW(address) \
(address + 65536 + 32 * sizeof(unsigned long) >= UPT_SP(&current->thread.regs.regs))
#include <asm/user.h>
/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
static inline void rep_nop(void)
{
__asm__ __volatile__("rep;nop": : :"memory");
}
#define cpu_relax() rep_nop()
#include <asm/processor-generic.h>
#endif