| /* |
| * Copyright 2003 PathScale, Inc. |
| * |
| * Licensed under the GPL |
| */ |
| |
| #ifndef __UM_PROCESSOR_X86_64_H |
| #define __UM_PROCESSOR_X86_64_H |
| |
| #include "asm/arch/user.h" |
| |
| struct arch_thread { |
| }; |
| |
| /* 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 { } |
| |
| #define current_text_addr() \ |
| ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; }) |
| |
| #define ARCH_IS_STACKGROW(address) \ |
| (address + 128 >= UPT_SP(¤t->thread.regs.regs)) |
| |
| #include "asm/processor-generic.h" |
| |
| #endif |
| |
| /* |
| * Overrides for Emacs so that we follow Linus's tabbing style. |
| * Emacs will notice this stuff at the end of the file and automatically |
| * adjust the settings for this buffer only. This must remain at the end |
| * of the file. |
| * --------------------------------------------------------------------------- |
| * Local variables: |
| * c-file-style: "linux" |
| * End: |
| */ |
