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| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-04-29 21:26:53 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-04-29 21:26:53 +0000 |
| commit | d014c98c8dce88c3b6cc19bd2e0e558900f5c1d0 (patch) | |
| tree | 89cb45f50dcf91a6445f6aa312cd8ac24136705c /exec-i386.c | |
| parent | a98fd896cdcab506e734de7555304da16e775277 (diff) | |
sparc support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@119 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'exec-i386.c')
| -rw-r--r-- | exec-i386.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/exec-i386.c b/exec-i386.c index 508d068824..ecb7adc9d6 100644 --- a/exec-i386.c +++ b/exec-i386.c @@ -121,6 +121,20 @@ int testandset (int *p) } #endif +#ifdef __sparc__ +static inline int testandset (int *p) +{ + int ret; + + __asm__ __volatile__("ldstub [%1], %0" + : "=r" (ret) + : "r" (p) + : "memory"); + + return (ret ? 1 : 0); +} +#endif + int global_cpu_lock = 0; void cpu_lock(void) |