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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-12-03 11:56:55 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-12-03 12:58:47 +0100 |
| commit | b4e83061e3ebd3dd012c4b41cc04daf3043a1ce0 (patch) | |
| tree | 108b8c19a99b776ef8377f105911090569aeb6cd /cpukit | |
| parent | bsps/powerpc: Unconditionally clear reservations (diff) | |
| download | rtems-b4e83061e3ebd3dd012c4b41cc04daf3043a1ce0.tar.bz2 | |
arm: Clear reservations
Recent GCC versions use atomic operations based on load/store exclusive
in the C++ library.
Diffstat (limited to 'cpukit')
| -rw-r--r-- | cpukit/score/cpu/arm/cpu_asm.S | 2 | ||||
| -rw-r--r-- | cpukit/score/cpu/arm/rtems/score/arm.h | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/cpukit/score/cpu/arm/cpu_asm.S b/cpukit/score/cpu/arm/cpu_asm.S index 0a91836fe5..7fb4062d50 100644 --- a/cpukit/score/cpu/arm/cpu_asm.S +++ b/cpukit/score/cpu/arm/cpu_asm.S @@ -64,7 +64,7 @@ DEFINE_FUNCTION_ARM(_CPU_Context_switch) /* Start restoring context */ _restore: -#ifdef RTEMS_SMP +#ifdef ARM_MULTILIB_HAS_LOAD_STORE_EXCLUSIVE clrex #endif diff --git a/cpukit/score/cpu/arm/rtems/score/arm.h b/cpukit/score/cpu/arm/rtems/score/arm.h index 0a3e7247f8..608f753d11 100644 --- a/cpukit/score/cpu/arm/rtems/score/arm.h +++ b/cpukit/score/cpu/arm/rtems/score/arm.h @@ -41,6 +41,7 @@ extern "C" { || defined(__ARM_ARCH_7R__) \ || defined(__ARM_ARCH_7M__) #define ARM_MULTILIB_HAS_WFI + #define ARM_MULTILIB_HAS_LOAD_STORE_EXCLUSIVE #endif #if defined(__ARM_NEON__) |