[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-um / processor-x86_64.h

/*
 * Copyright 2003 PathScale, Inc.
 *
 * Licensed under the GPL
 */

#ifndef __UM_PROCESSOR_X86_64_H
#define __UM_PROCESSOR_X86_64_H

/* include faultinfo structure */
#include "sysdep/faultinfo.h"

struct arch_thread {
        unsigned long debugregs[8];
        int debugregs_seq;
        struct faultinfo faultinfo;
};

/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
extern inline void rep_nop(void)
{
	__asm__ __volatile__("rep;nop": : :"memory");
}

#define cpu_relax()   rep_nop()

#define INIT_ARCH_THREAD { .debugregs  		= { [ 0 ... 7 ] = 0 }, \
                           .debugregs_seq	= 0, \
                           .faultinfo		= { 0, 0, 0 } }

#include "asm/arch/user.h"

#define current_text_addr() \
	({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })

#define ARCH_IS_STACKGROW(address) \
        (address + 128 >= UPT_SP(&current->thread.regs.regs))

#define KSTK_EIP(tsk) KSTK_REG(tsk, RIP)
#define KSTK_ESP(tsk) KSTK_REG(tsk, RSP)

#include "asm/processor-generic.h"

#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright 2003 PathScale, Inc.
	3	*
	4	* Licensed under the GPL
	5	*/
	6
	7	#ifndef __UM_PROCESSOR_X86_64_H
	8	#define __UM_PROCESSOR_X86_64_H
	9
c578455a BS	10	/* include faultinfo structure */
c578455a BS	11	#include "sysdep/faultinfo.h"
1da177e4 LT	12
1da177e4 LT	13	struct arch_thread {
c578455a BS	14	unsigned long debugregs[8];
	15	int debugregs_seq;
	16	struct faultinfo faultinfo;
1da177e4 LT	17	};
	18
	19	/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
	20	extern inline void rep_nop(void)
	21	{
	22	__asm__ __volatile__("rep;nop": : :"memory");
	23	}
	24
	25	#define cpu_relax() rep_nop()
	26
c578455a BS	27	#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \
	28	.debugregs_seq = 0, \
	29	.faultinfo = { 0, 0, 0 } }
	30
	31	#include "asm/arch/user.h"
1da177e4 LT	32
	33	#define current_text_addr() \
	34	({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })
	35
	36	#define ARCH_IS_STACKGROW(address) \
	37	(address + 128 >= UPT_SP(&current->thread.regs.regs))
	38
fad1c45c AG	39	#define KSTK_EIP(tsk) KSTK_REG(tsk, RIP)
	40	#define KSTK_ESP(tsk) KSTK_REG(tsk, RSP)
	41
1da177e4 LT	42	#include "asm/processor-generic.h"
	43
	44	#endif