diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/include/asm/barrier.h')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/include/asm/barrier.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/ANDROID_3.4.5/arch/arm/include/asm/barrier.h b/ANDROID_3.4.5/arch/arm/include/asm/barrier.h deleted file mode 100644 index 05112380..00000000 --- a/ANDROID_3.4.5/arch/arm/include/asm/barrier.h +++ /dev/null @@ -1,69 +0,0 @@ -#ifndef __ASM_BARRIER_H -#define __ASM_BARRIER_H - -#ifndef __ASSEMBLY__ -#include <asm/outercache.h> - -#define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t"); - -#if __LINUX_ARM_ARCH__ >= 7 || \ - (__LINUX_ARM_ARCH__ == 6 && defined(CONFIG_CPU_32v6K)) -#define sev() __asm__ __volatile__ ("sev" : : : "memory") -#define wfe() __asm__ __volatile__ ("wfe" : : : "memory") -#define wfi() __asm__ __volatile__ ("wfi" : : : "memory") -#endif - -#if __LINUX_ARM_ARCH__ >= 7 -#define isb() __asm__ __volatile__ ("isb" : : : "memory") -#define dsb() __asm__ __volatile__ ("dsb" : : : "memory") -#define dmb() __asm__ __volatile__ ("dmb" : : : "memory") -#elif defined(CONFIG_CPU_XSC3) || __LINUX_ARM_ARCH__ == 6 -#define isb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c5, 4" \ - : : "r" (0) : "memory") -#define dsb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" \ - : : "r" (0) : "memory") -#define dmb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" \ - : : "r" (0) : "memory") -#elif defined(CONFIG_CPU_FA526) -#define isb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c5, 4" \ - : : "r" (0) : "memory") -#define dsb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" \ - : : "r" (0) : "memory") -#define dmb() __asm__ __volatile__ ("" : : : "memory") -#else -#define isb() __asm__ __volatile__ ("" : : : "memory") -#define dsb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" \ - : : "r" (0) : "memory") -#define dmb() __asm__ __volatile__ ("" : : : "memory") -#endif - -#ifdef CONFIG_ARCH_HAS_BARRIERS -#include <mach/barriers.h> -#elif defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP) -#define mb() do { dsb(); outer_sync(); } while (0) -#define rmb() dsb() -#define wmb() mb() -#else -#include <asm/memory.h> -#define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) -#define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) -#define wmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) -#endif - -#ifndef CONFIG_SMP -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#else -#define smp_mb() dmb() -#define smp_rmb() dmb() -#define smp_wmb() dmb() -#endif - -#define read_barrier_depends() do { } while(0) -#define smp_read_barrier_depends() do { } while(0) - -#define set_mb(var, value) do { var = value; smp_mb(); } while (0) - -#endif /* !__ASSEMBLY__ */ -#endif /* __ASM_BARRIER_H */ |