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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
committed by wuzhenghui
parent f572b91024
commit 68e07d90ba
3 changed files with 15 additions and 3 deletions
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4
components/soc/esp32/include/soc/Kconfig.soc_caps.in
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@@ -207,6 +207,10 @@ config SOC_SHARED_IDCACHE_SUPPORTED
bool bool
default y default y
config SOC_IDCACHE_PER_CORE
bool
default y
config SOC_MMU_LINEAR_ADDRESS_REGION_NUM config SOC_MMU_LINEAR_ADDRESS_REGION_NUM
int int
default 5 default 5

3
components/soc/esp32/include/soc/soc_caps.h
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@@ -133,7 +133,8 @@
/*-------------------------- CACHE/MMU CAPS ----------------------------------*/ /*-------------------------- CACHE/MMU 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
#define SOC_MMU_LINEAR_ADDRESS_REGION_NUM 5 #define SOC_MMU_LINEAR_ADDRESS_REGION_NUM 5

11
components/spi_flash/cache_utils.c
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@@ -1,5 +1,5 @@
/* /*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* *
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*/ */
@@ -203,13 +203,16 @@ 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 // 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. // touch external RAM or flash this way, so we can safely disable caches.
spi_flash_disable_cache(cpuid, &s_flash_op_cache_state[cpuid]); 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]); 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) void IRAM_ATTR spi_flash_enable_interrupts_caches_and_other_cpu(void)
{ {
const int cpuid = xPortGetCoreID(); const int cpuid = xPortGetCoreID();
const uint32_t other_cpuid = (cpuid == 0) ? 1 : 0;
#ifndef NDEBUG #ifndef NDEBUG
// Sanity check: flash operation ends on the same CPU as it has started // Sanity check: flash operation ends on the same CPU as it has started
assert(cpuid == s_flash_op_cpu); assert(cpuid == s_flash_op_cpu);
@@ -220,7 +223,11 @@ 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. // 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]); 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]); spi_flash_restore_cache(other_cpuid, s_flash_op_cache_state[other_cpuid]);
#endif
if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) { if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) {
// Signal to spi_flash_op_block_task that flash operation is complete // Signal to spi_flash_op_block_task that flash operation is complete