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cache: fix cache suspended/resumed twice on S3

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This commit is contained in:
wanlei 2023-05-24 16:27:11 +08:00
parent fd8ed0df36
commit c5c793109f
3 changed files with 14 additions and 2 deletions
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4
components/soc/esp32/include/soc/Kconfig.soc_caps.in
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@ -235,6 +235,10 @@ config SOC_SHARED_IDCACHE_SUPPORTED
bool
default y
config SOC_IDCACHE_PER_CORE
bool
default y
config SOC_CPU_CORES_NUM
int
default 2

3
components/soc/esp32/include/soc/soc_caps.h
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@ -139,7 +139,8 @@
#endif
/*-------------------------- CACHE CAPS --------------------------------------*/
#define SOC_SHARED_IDCACHE_SUPPORTED 1 //Shared Cache for both instructions and data
#define SOC_SHARED_IDCACHE_SUPPORTED 1 //Shared Cache for both instructions and data within one core
#define SOC_IDCACHE_PER_CORE 1 //Independent Cache unit pre core
/*-------------------------- CPU CAPS ----------------------------------------*/
#define SOC_CPU_CORES_NUM 2

9
components/spi_flash/cache_utils.c
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@ -221,13 +221,16 @@ void IRAM_ATTR spi_flash_disable_interrupts_caches_and_other_cpu(void)
// with non-iram interrupts and the scheduler disabled. None of these CPUs will
// touch external RAM or flash this way, so we can safely disable caches.
spi_flash_disable_cache(cpuid, &s_flash_op_cache_state[cpuid]);
#if SOC_IDCACHE_PER_CORE
//only needed if cache(s) is per core
spi_flash_disable_cache(other_cpuid, &s_flash_op_cache_state[other_cpuid]);
#endif
}
void IRAM_ATTR spi_flash_enable_interrupts_caches_and_other_cpu(void)
{
const int cpuid = xPortGetCoreID();
const uint32_t other_cpuid = (cpuid == 0) ? 1 : 0;
#ifndef NDEBUG
// Sanity check: flash operation ends on the same CPU as it has started
assert(cpuid == s_flash_op_cpu);
@ -238,7 +241,11 @@ void IRAM_ATTR spi_flash_enable_interrupts_caches_and_other_cpu(void)
// Re-enable cache on both CPUs. After this, cache (flash and external RAM) should work again.
spi_flash_restore_cache(cpuid, s_flash_op_cache_state[cpuid]);
#if SOC_IDCACHE_PER_CORE
//only needed if cache(s) is per core
const uint32_t other_cpuid = (cpuid == 0) ? 1 : 0;
spi_flash_restore_cache(other_cpuid, s_flash_op_cache_state[other_cpuid]);
#endif
if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) {
// Signal to spi_flash_op_block_task that flash operation is complete