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| author | Maxim Uvarov <maxim.uvarov@linaro.org> | 2014-08-29 00:05:40 +0400 |
|---|---|---|
| committer | Maxim Uvarov <maxim.uvarov@linaro.org> | 2014-09-02 12:48:56 +0400 |
| commit | 8e1bf298be449b8f91f25b96870732c433f4ddc0 (patch) | |
| tree | 3e47682672062bd34754d80e781aba86a12c9c37 | |
| parent | 17581b102a6be77b1cd17400b32c2ec8f4186fc4 (diff) | |
arm: do not use dmb for armv5
Original bug:
https://bugs.linaro.org/show_bug.cgi?id=355
Armv5 fails on compilation dmb instuction.
Use the same thing like linux kernel does.
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Reviewed-and-Tested-by: Yao Zhao <yao.zhao@windriver.com>
| -rw-r--r-- | platform/linux-generic/include/api/odp_sync.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/platform/linux-generic/include/api/odp_sync.h b/platform/linux-generic/include/api/odp_sync.h index 9cf4d46..fbf9abd 100644 --- a/platform/linux-generic/include/api/odp_sync.h +++ b/platform/linux-generic/include/api/odp_sync.h @@ -31,9 +31,16 @@ static inline void odp_sync_stores(void) __asm__ __volatile__ ("sfence\n" : : : "memory"); -#elif defined __arm__ || defined __aarch64__ +#elif defined(__arm__) +#if __ARM_ARCH == 6 + __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" \ + : : "r" (0) : "memory"); +#elif __ARM_ARCH >= 7 || defined __aarch64__ __asm__ __volatile__ ("dmb st" : : : "memory"); +#else + __asm__ __volatile__ ("" : : : "memory"); +#endif #elif defined __OCTEON__ |