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D-cache clean&&invalidate for Tiny6410

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This commit is contained in:
Peng Fan
2013-04-17 20:54:05 +08:00
committed by Sebastian Huber
parent ef8e851975
commit 76de8a8e6b
1 changed files with 21 additions and 0 deletions
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21
c/src/lib/libcpu/arm/shared/include/arm-cp15.h
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@@ -609,6 +609,27 @@ static inline void arm_cp15_data_cache_test_and_clean(void)
); );
} }
/* In DDI0301H_arm1176jzfs_r0p7_trm
* 'MCR p15, 0, <Rd>, c7, c14, 0' means
* Clean and Invalidate Entire Data Cache
*/
static inline void arm_cp15_data_cache_clean_and_invalidate(void)
{
ARM_SWITCH_REGISTERS;
uint32_t sbz = 0;
__asm__ volatile (
ARM_SWITCH_TO_ARM
"mcr p15, 0, %[sbz], c7, c14, 0\n"
ARM_SWITCH_BACK
: ARM_SWITCH_OUTPUT
: [sbz] "r" (sbz)
: "memory"
);
}
static inline void arm_cp15_data_cache_clean_and_invalidate_line(const void *mva) static inline void arm_cp15_data_cache_clean_and_invalidate_line(const void *mva)
{ {
ARM_SWITCH_REGISTERS; ARM_SWITCH_REGISTERS;