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Merge pull request #940 from TanekLiang/cache 

add cache definition
This commit is contained in:
Bernard Xiong 2017-11-01 21:32:28 +08:00 committed by GitHub
parent 32c926a097 909275b8a6
commit 376ac91b67
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1 changed files with 14 additions and 0 deletions
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14
include/rthw.h
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@ -48,15 +48,29 @@ extern "C" {
#define HWREG8(x) (*((volatile rt_uint8_t *)(x))) #define HWREG8(x) (*((volatile rt_uint8_t *)(x)))
#endif #endif
#ifndef RT_CPU_CACHE_LINE_SZ
#define RT_CPU_CACHE_LINE_SZ 32
#endif
enum RT_HW_CACHE_OPS
{
RT_HW_CACHE_FLUSH = 0x01,
RT_HW_CACHE_INVALIDATE = 0x02,
};
/* /*
* CPU interfaces * CPU interfaces
*/ */
void rt_hw_cpu_icache_enable(void); void rt_hw_cpu_icache_enable(void);
void rt_hw_cpu_icache_disable(void); void rt_hw_cpu_icache_disable(void);
rt_base_t rt_hw_cpu_icache_status(void); rt_base_t rt_hw_cpu_icache_status(void);
void rt_hw_cpu_icache_ops(int ops, void* addr, int size);
void rt_hw_cpu_dcache_enable(void); void rt_hw_cpu_dcache_enable(void);
void rt_hw_cpu_dcache_disable(void); void rt_hw_cpu_dcache_disable(void);
rt_base_t rt_hw_cpu_dcache_status(void); rt_base_t rt_hw_cpu_dcache_status(void);
void rt_hw_cpu_dcache_ops(int ops, void* addr, int size);
void rt_hw_cpu_reset(void); void rt_hw_cpu_reset(void);
void rt_hw_cpu_shutdown(void); void rt_hw_cpu_shutdown(void);