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author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-17 02:20:36 +0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-17 02:20:36 +0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-um/processor-i386.h | |
download | linux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/asm-um/processor-i386.h')
-rw-r--r-- | include/asm-um/processor-i386.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/asm-um/processor-i386.h b/include/asm-um/processor-i386.h new file mode 100644 index 000000000000..2deb8f1adbf1 --- /dev/null +++ b/include/asm-um/processor-i386.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __UM_PROCESSOR_I386_H +#define __UM_PROCESSOR_I386_H + +extern int host_has_xmm; +extern int host_has_cmov; + +struct arch_thread { + unsigned long debugregs[8]; + int debugregs_seq; +}; + +#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \ + .debugregs_seq = 0 } + +#include "asm/arch/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() + +/* + * Default implementation of macro that returns current + * instruction pointer ("program counter"). Stolen + * from asm-i386/processor.h + */ +#define current_text_addr() \ + ({ void *pc; __asm__("movl $1f,%0\n1:":"=g" (pc)); pc; }) + +#define ARCH_IS_STACKGROW(address) \ + (address + 32 >= 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: + */ |