diff options
author | ed <ed@FreeBSD.org> | 2013-06-13 18:47:28 +0000 |
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committer | ed <ed@FreeBSD.org> | 2013-06-13 18:47:28 +0000 |
commit | 21c714c60959a0ddca57e0500d0f93287099f971 (patch) | |
tree | 69b5d839c21b71c92b64f0b0b0f54704f759828e /sys/mips | |
parent | 0e12ba8af551d77509a50b911efedf59dc7cd0f3 (diff) | |
download | FreeBSD-src-21c714c60959a0ddca57e0500d0f93287099f971.zip FreeBSD-src-21c714c60959a0ddca57e0500d0f93287099f971.tar.gz |
Bring the stdatomic for MIPS code slightly more in sync with the ARM version.
Diffstat (limited to 'sys/mips')
-rw-r--r-- | sys/mips/mips/stdatomic.c | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/sys/mips/mips/stdatomic.c b/sys/mips/mips/stdatomic.c index b6e1baa..e284edd 100644 --- a/sys/mips/mips/stdatomic.c +++ b/sys/mips/mips/stdatomic.c @@ -30,12 +30,15 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#include <sys/stdatomic.h> #include <sys/types.h> #ifdef _KERNEL #include "opt_global.h" #endif +#if defined(__SYNC_ATOMICS) + /* * Memory barriers. * @@ -48,7 +51,7 @@ __FBSDID("$FreeBSD$"); */ static inline void -mips_sync(void) +do_sync(void) { __asm volatile ( @@ -94,7 +97,7 @@ round_to_word(void *ptr) */ static inline void -put_1(reg_t *r, uint8_t *offset_ptr, uint8_t val) +put_1(reg_t *r, const uint8_t *offset_ptr, uint8_t val) { size_t offset; @@ -103,7 +106,7 @@ put_1(reg_t *r, uint8_t *offset_ptr, uint8_t val) } static inline uint8_t -get_1(const reg_t *r, uint8_t *offset_ptr) +get_1(const reg_t *r, const uint8_t *offset_ptr) { size_t offset; @@ -112,7 +115,7 @@ get_1(const reg_t *r, uint8_t *offset_ptr) } static inline void -put_2(reg_t *r, uint16_t *offset_ptr, uint16_t val) +put_2(reg_t *r, const uint16_t *offset_ptr, uint16_t val) { size_t offset; union { @@ -127,7 +130,7 @@ put_2(reg_t *r, uint16_t *offset_ptr, uint16_t val) } static inline uint16_t -get_2(const reg_t *r, uint16_t *offset_ptr) +get_2(const reg_t *r, const uint16_t *offset_ptr) { size_t offset; union { @@ -162,7 +165,7 @@ __sync_lock_test_and_set_##N(uintN_t *mem, uintN_t val) \ negmask.v32 = 0xffffffff; \ put_##N(&negmask, mem, 0); \ \ - mips_sync(); \ + do_sync(); \ __asm volatile ( \ "1:" \ "\tll %0, %5\n" /* Load old value. */ \ @@ -196,7 +199,7 @@ __sync_val_compare_and_swap_##N(uintN_t *mem, uintN_t expected, \ put_##N(&posmask, mem, ~0); \ negmask.v32 = ~posmask.v32; \ \ - mips_sync(); \ + do_sync(); \ __asm volatile ( \ "1:" \ "\tll %0, %7\n" /* Load old value. */ \ @@ -231,7 +234,7 @@ __sync_##name##_##N(uintN_t *mem, uintN_t val) \ put_##N(&posmask, mem, ~0); \ negmask.v32 = ~posmask.v32; \ \ - mips_sync(); \ + do_sync(); \ __asm volatile ( \ "1:" \ "\tll %0, %7\n" /* Load old value. */ \ @@ -265,7 +268,7 @@ __sync_##name##_##N(uintN_t *mem, uintN_t val) \ val32.v32 = idempotence ? 0xffffffff : 0x00000000; \ put_##N(&val32, mem, val); \ \ - mips_sync(); \ + do_sync(); \ __asm volatile ( \ "1:" \ "\tll %0, %4\n" /* Load old value. */ \ @@ -294,7 +297,7 @@ __sync_val_compare_and_swap_4(uint32_t *mem, uint32_t expected, { uint32_t old, temp; - mips_sync(); + do_sync(); __asm volatile ( "1:" "\tll %0, %5\n" /* Load old value. */ @@ -314,7 +317,7 @@ __sync_##name##_4(uint32_t *mem, uint32_t val) \ { \ uint32_t old, temp; \ \ - mips_sync(); \ + do_sync(); \ __asm volatile ( \ "1:" \ "\tll %0, %4\n" /* Load old value. */ \ @@ -349,7 +352,7 @@ __sync_val_compare_and_swap_8(uint64_t *mem, uint64_t expected, { uint64_t old, temp; - mips_sync(); + do_sync(); __asm volatile ( "1:" "\tlld %0, %5\n" /* Load old value. */ @@ -369,7 +372,7 @@ __sync_##name##_8(uint64_t *mem, uint64_t val) \ { \ uint64_t old, temp; \ \ - mips_sync(); \ + do_sync(); \ __asm volatile ( \ "1:" \ "\tlld %0, %4\n" /* Load old value. */ \ @@ -389,3 +392,5 @@ EMIT_FETCH_AND_OP_8(fetch_and_sub, "dsubu %2, %0, %3") EMIT_FETCH_AND_OP_8(fetch_and_xor, "xor %2, %0, %3") #endif /* __mips_n32 || __mips_n64 */ + +#endif /* __SYNC_ATOMICS */ |