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思澈科技軟件開發(fā)工具包  2.20
CACHE

HAL CACHE模塊提供HCPU CACHE MISS率的統(tǒng)計功能,可單獨或同時統(tǒng)計ICACHE和DCACHE的MISS率。 還可以設置需要統(tǒng)計的地址范圍,支持單獨或同時統(tǒng)計以下地址區(qū)域:

  • QSPI1_4,地址空間: 0x10000000~0x13FFFFFF
  • QSPI2, 地址空間:0x64000000~0x67FFFFFF
  • QSPI3, 地址空間: 0x68000000~0x6FFFFFFF
  • OPSRAM, 地址空間: 0x60000000~0x63FFFFFF
Note
Z0不支持本模塊

詳細的API說明參考 CACHE

使用HAL CACHE

void enable(void)
{
/* Enable ICACHE and DACHE miss rate profiling, range is QSPI1/2/4 memory space */
HAL_CACHE_Enable(HAL_CACHE_ICACHE_QSPI1_4 | HAL_CACHE_ICACHE_QSPI2,
HAL_CACHE_DCACHE_QSPI1_4 | HAL_CACHE_DCACHE_QSPI2);
}
void read(void)
{
float irate;
float drate;
/* read cache miss rate and reset counter */
HAL_CACHE_GetMissRate(&irate, &drate, true);
}
void disable(void)
{
/* Disable ICACHE and DCACHE miss rate profiling */
}
HAL_CACHE_Enable
__STATIC_INLINE void HAL_CACHE_Enable(uint32_t imode, uint32_t dmode)
Enable cache profiling.
Definition: bf0_hal_cache.h:213
HAL_CACHE_Disable
__STATIC_INLINE void HAL_CACHE_Disable(void)
Disable cache profiling.
Definition: bf0_hal_cache.h:225
HAL_CACHE_GetMissRate
__STATIC_INLINE void HAL_CACHE_GetMissRate(float *irate, float *drate, bool reset)
Get ICACHE and DCACHE miss rate.
Definition: bf0_hal_cache.h:237