diff options
| author | ivmai <ivmai> | 2010-05-21 16:01:35 +0000 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2011-07-25 16:03:26 +0400 |
| commit | 08fd2b88e482d9c3fea75d1fc26b80c297e29274 (patch) | |
| tree | 9958ab97986d5a55e2f7e2d84c74c7fe2fb98d38 | |
| parent | f3fdfc90907ca0a29d5cc906de68fd19bc2b0cbc (diff) | |
| download | libatomic_ops-08fd2b88e482d9c3fea75d1fc26b80c297e29274.tar.gz | |
2010-05-21 Ivan Maidanski <ivmai@mail.ru> (really Bradley Smith)
* src/atomic_ops.h: Recognize __avr32__ (include gcc/avr32.h).
* src/atomic_ops/sysdeps/gcc/avr32.h: New file.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | src/atomic_ops.h | 3 | ||||
| -rw-r--r-- | src/atomic_ops/sysdeps/gcc/avr32.h | 44 |
3 files changed, 52 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2010-05-21 Ivan Maidanski <ivmai@mail.ru> (really Bradley Smith) + + * src/atomic_ops.h: Recognize __avr32__ (include gcc/avr32.h). + * src/atomic_ops/sysdeps/gcc/avr32.h: New file. + 2010-04-29 Ivan Maidanski <ivmai@mail.ru> * doc/README_malloc.txt: Fix a typo. diff --git a/src/atomic_ops.h b/src/atomic_ops.h index d3e9bb7..490d44c 100644 --- a/src/atomic_ops.h +++ b/src/atomic_ops.h @@ -252,6 +252,9 @@ # include "atomic_ops/sysdeps/gcc/sh.h" # define AO_CAN_EMUL_CAS # endif /* __sh__ */ +# if defined(__avr32__) +# include "atomic_ops/sysdeps/gcc/avr32.h" +# endif #endif /* __GNUC__ && !AO_USE_PTHREAD_DEFS */ #if defined(__INTEL_COMPILER) && !defined(AO_USE_PTHREAD_DEFS) diff --git a/src/atomic_ops/sysdeps/gcc/avr32.h b/src/atomic_ops/sysdeps/gcc/avr32.h new file mode 100644 index 0000000..cd43c19 --- /dev/null +++ b/src/atomic_ops/sysdeps/gcc/avr32.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2009 Bradley Smith <brad@brad-smith.co.uk> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "../all_atomic_load_store.h" + +#include "../ordered.h" /* There are no multiprocessor implementations. */ + +#include "../test_and_set_t_is_ao_t.h" + +AO_INLINE AO_TS_VAL_t +AO_test_and_set(volatile AO_TS_t *addr) +{ + int ret; + + __asm__ __volatile__( + "xchg %[old], %[mem], %[newv]" + : [old] "=&r"(ret) + : [mem] "r"(addr), [newv] "r"(1) + : "memory"); + + return ret; +} +#define AO_HAVE_test_and_set |