mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
a10c95d84c
... and switch get_thread_register() to HOST_... for register numbers Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
46 lines
959 B
C
46 lines
959 B
C
/*
|
|
* Copyright 2003 PathScale, Inc.
|
|
*
|
|
* Licensed under the GPL
|
|
*/
|
|
|
|
#ifndef __UM_PROCESSOR_X86_64_H
|
|
#define __UM_PROCESSOR_X86_64_H
|
|
|
|
struct arch_thread {
|
|
unsigned long debugregs[8];
|
|
int debugregs_seq;
|
|
unsigned long fs;
|
|
struct faultinfo faultinfo;
|
|
};
|
|
|
|
/* 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()
|
|
|
|
#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \
|
|
.debugregs_seq = 0, \
|
|
.fs = 0, \
|
|
.faultinfo = { 0, 0, 0 } }
|
|
|
|
static inline void arch_flush_thread(struct arch_thread *thread)
|
|
{
|
|
}
|
|
|
|
static inline void arch_copy_thread(struct arch_thread *from,
|
|
struct arch_thread *to)
|
|
{
|
|
to->fs = from->fs;
|
|
}
|
|
|
|
#include <asm/user.h>
|
|
|
|
#define current_text_addr() \
|
|
({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })
|
|
|
|
#endif
|