Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-10-02 03:00:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

fix(spi_flash): integrate branch prediction control during cache operations

Browse Source
This commit is contained in:
wuzhenghui
2026-09-01 02:42:19 +00:00
committed by Armando (Dou Yiwen)
parent 7e808c82ea
commit aaccbdd47c
5 changed files with 64 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/esp_hw_support/mspi/mspi_timing_tuning/mspi_timing_tuning.c
+16 -2
View File
@@ -23,6 +23,7 @@
#include "hal/cache_hal.h"
#endif
#include "esp_private/cache_utils.h"
#include "esp_cpu.h"
#include "esp_private/mspi_timing_tuning.h"
#include "esp_private/mspi_timing_config.h"
#include "esp_private/mspi_timing_by_mspi_delay.h"
@@ -646,8 +647,21 @@ static void restore_cache(uint32_t cpuid, uint32_t saved_state)
}
#else // ESP_TEE_BUILD
#define disable_cache(cpuid, saved_state) spi_flash_disable_cache(cpuid, saved_state)
#define restore_cache(cpuid, saved_state) spi_flash_restore_cache(cpuid, saved_state)
static void disable_cache(uint32_t cpuid, uint32_t *saved_state)
{
#if SOC_BRANCH_PREDICTOR_SUPPORTED
esp_cpu_branch_prediction_disable();
#endif
spi_flash_disable_cache(cpuid, saved_state);
}
static void restore_cache(uint32_t cpuid, uint32_t saved_state)
{
spi_flash_restore_cache(cpuid, saved_state);
#if SOC_BRANCH_PREDICTOR_SUPPORTED
esp_cpu_branch_prediction_enable();
#endif
}
#endif
components/esp_hw_support/sleep_cache.c
+6
View File
@@ -31,6 +31,9 @@ void sleep_cache_suspend(void)
// If the access to external memory hits in the cache, it will not trigger a cache error. So in order to
// fully check the access to external memory, writeback & invalidate is needed here.
Cache_WriteBack_Invalidate_All(CACHE_MAP_MASK);
#endif
#if SOC_BRANCH_PREDICTOR_SUPPORTED
esp_cpu_branch_prediction_disable();
#endif
spi_flash_disable_cache(esp_cpu_get_core_id(), &s_cache_state);
}
@@ -43,6 +46,9 @@ void sleep_cache_resume(void)
assert(s_cache_suspend_cnt >= 0 && DRAM_STR("cache resume doesn't match suspend ops"));
if (s_cache_suspend_cnt == 0) {
spi_flash_restore_cache(esp_cpu_get_core_id(), s_cache_state);
#if SOC_BRANCH_PREDICTOR_SUPPORTED
esp_cpu_branch_prediction_enable();
#endif
}
}