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author | Bobby Bingham <koorogi@koorogi.info> | 2016-11-11 21:52:05 -0600 |
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committer | Rich Felker <dalias@aerifal.cx> | 2016-11-11 23:06:21 -0500 |
commit | 15094943050eb9a564f409323070e50b40f78816 (patch) | |
tree | f9af42d3369ee9a6ebd08bf416a99159193217a8 /arch/s390x/atomic_arch.h | |
parent | 54482898abe8d6d937ee67ea5974cd8eae859c37 (diff) | |
download | musl-15094943050eb9a564f409323070e50b40f78816.tar.gz musl-15094943050eb9a564f409323070e50b40f78816.tar.xz musl-15094943050eb9a564f409323070e50b40f78816.zip |
add s390x port
Diffstat (limited to 'arch/s390x/atomic_arch.h')
-rw-r--r-- | arch/s390x/atomic_arch.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/s390x/atomic_arch.h b/arch/s390x/atomic_arch.h new file mode 100644 index 00000000..9b0e1df9 --- /dev/null +++ b/arch/s390x/atomic_arch.h @@ -0,0 +1,30 @@ +#define a_cas a_cas +static inline int a_cas(volatile int *p, int t, int s) +{ + __asm__ __volatile__ ( + "cs %0, %2, %1" + : "+d"(t), "+Q"(*p) : "d"(s) : "memory", "cc"); + return t; +} + +#define a_cas_p a_cas_p +static inline void *a_cas_p(volatile void *p, void *t, void *s) +{ + __asm__ __volatile__ ( + "csg %0, %2, %1" + : "+d"(t), "+Q"(*(void *volatile *)p) : "d"(s) + : "memory", "cc"); + return t; +} + +#define a_barrier a_barrier +static inline void a_barrier() +{ + __asm__ __volatile__ ("bcr 15,0" : : : "memory"); +} + +#define a_crash a_crash +static inline void a_crash() +{ + __asm__ __volatile__ (".insn e,0"); +} |