diff options
| author | mux <mux@FreeBSD.org> | 2004-08-03 18:44:27 +0000 |
|---|---|---|
| committer | mux <mux@FreeBSD.org> | 2004-08-03 18:44:27 +0000 |
| commit | 35780dc21adda12f4e93177415556e6698e017e4 (patch) | |
| tree | de3272d2386247caa65d7fbb3bf4c7418c6ebc1b /sys/arm | |
| parent | 81234cca4a890862a2410bb1de1a553a60c285a6 (diff) | |
| download | FreeBSD-src-35780dc21adda12f4e93177415556e6698e017e4.zip FreeBSD-src-35780dc21adda12f4e93177415556e6698e017e4.tar.gz | |
Instead of calling ia32_pause() conditionally on __i386__ or __amd64__
being defined, define and use a new MD macro, cpu_spinwait(). It only
expands to something on i386 and amd64, so the compiled code should be
identical.
Name of the macro found by: jhb
Reviewed by: jhb
Diffstat (limited to 'sys/arm')
| -rw-r--r-- | sys/arm/include/cpu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/arm/include/cpu.h b/sys/arm/include/cpu.h index 2130618..417a2fe 100644 --- a/sys/arm/include/cpu.h +++ b/sys/arm/include/cpu.h @@ -32,6 +32,7 @@ get_cyclecount(void) #define cpu_getstack(td) ((td)->td_frame->tf_usr_sp) #define cpu_setstack(td, sp) ((td)->td_frame->tf_usr_sp = (sp)) +#define cpu_spinwait() /* nothing */ #define ARM_NVEC 8 #define ARM_VEC_ALL 0xffffffff |
