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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
/*
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* Copyright 2003 PathScale, Inc.
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*
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* Licensed under the GPL
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*/
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#ifndef __UM_PROCESSOR_X86_64_H
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#define __UM_PROCESSOR_X86_64_H
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struct arch_thread {
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unsigned long debugregs[8];
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int debugregs_seq;
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unsigned long fs;
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struct faultinfo faultinfo;
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};
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/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
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static inline void rep_nop(void)
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{
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__asm__ __volatile__("rep;nop": : :"memory");
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}
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#define cpu_relax() rep_nop()
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#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \
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.debugregs_seq = 0, \
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.fs = 0, \
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.faultinfo = { 0, 0, 0 } }
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static inline void arch_flush_thread(struct arch_thread *thread)
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{
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}
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static inline void arch_copy_thread(struct arch_thread *from,
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struct arch_thread *to)
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{
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to->fs = from->fs;
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}
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#include <asm/user.h>
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#define current_text_addr() \
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({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })
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#endif
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