diff options
Diffstat (limited to 'arch/arm/include/asm/armv7.h')
| -rw-r--r-- | arch/arm/include/asm/armv7.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/include/asm/armv7.h b/arch/arm/include/asm/armv7.h index 58d8b16..cbe7dc1 100644 --- a/arch/arm/include/asm/armv7.h +++ b/arch/arm/include/asm/armv7.h @@ -70,6 +70,16 @@ #define CP15DSB asm volatile ("mcr p15, 0, %0, c7, c10, 4" : : "r" (0)) #define CP15DMB asm volatile ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0)) +#ifdef __ARM_ARCH_7A__ +#define ISB asm volatile ("isb" : : : "memory") +#define DSB asm volatile ("dsb" : : : "memory") +#define DMB asm volatile ("dmb" : : : "memory") +#else +#define ISB CP15ISB +#define DSB CP15DSB +#define DMB CP15DMB +#endif + /* * Workaround for ARM errata # 798870 * Set L2ACTLR[7] to reissue any memory transaction in the L2 that has been |