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

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This commit is contained in:
wuzhenghui
2026-08-24 13:27:04 +08:00
committed by Ashish Sharma
parent d631bca52f
commit ab48e180ac
5 changed files with 64 additions and 23 deletions
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components/esp_hw_support/mspi/mspi_timing_tuning/mspi_timing_tuning.c
+16 -2
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@@ -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