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spi_flash: don't call vTaskDelay in non-os context 

Fixes regression in core dump, when a crash happens in interrupt
context.
This commit is contained in:
Ivan Grokhotkov 2020-05-29 21:52:48 +02:00
parent 10d40d1448
commit 93ad53c09d
2 changed files with 23 additions and 6 deletions
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24
components/spi_flash/flash_ops.c
View File

@ -71,6 +71,7 @@ static spi_flash_counters_t s_flash_stats;
static esp_err_t spi_flash_translate_rc(esp_rom_spiflash_result_t rc);
static bool is_safe_write_address(size_t addr, size_t size);
static void spi_flash_os_yield(void);
const DRAM_ATTR spi_flash_guard_funcs_t g_flash_guard_default_ops = {
.start = spi_flash_disable_interrupts_caches_and_other_cpu,
@ -78,18 +79,20 @@ const DRAM_ATTR spi_flash_guard_funcs_t g_flash_guard_default_ops = {
.op_lock = spi_flash_op_lock,
.op_unlock = spi_flash_op_unlock,
#if !CONFIG_SPI_FLASH_WRITING_DANGEROUS_REGIONS_ALLOWED
.is_safe_write_address = is_safe_write_address
.is_safe_write_address = is_safe_write_address,
#endif
.yield = spi_flash_os_yield,
};
const DRAM_ATTR spi_flash_guard_funcs_t g_flash_guard_no_os_ops = {
.start = spi_flash_disable_interrupts_caches_and_other_cpu_no_os,
.end = spi_flash_enable_interrupts_caches_no_os,
.op_lock = 0,
.op_unlock = 0,
.op_lock = NULL,
.op_unlock = NULL,
#if !CONFIG_SPI_FLASH_WRITING_DANGEROUS_REGIONS_ALLOWED
.is_safe_write_address = 0
.is_safe_write_address = NULL,
#endif
.yield = NULL,
};
static const spi_flash_guard_funcs_t *s_flash_guard_ops;
@ -184,6 +187,13 @@ static inline void IRAM_ATTR spi_flash_guard_op_unlock()
}
}
static void IRAM_ATTR spi_flash_os_yield(void)
{
#ifdef CONFIG_SPI_FLASH_YIELD_DURING_ERASE
vTaskDelay(CONFIG_SPI_FLASH_ERASE_YIELD_TICKS);
#endif
}
static esp_rom_spiflash_result_t IRAM_ATTR spi_flash_unlock()
{
static bool unlocked = false;
@ -246,8 +256,10 @@ esp_err_t IRAM_ATTR spi_flash_erase_range(uint32_t start_addr, uint32_t size)
/* For example when dt_ms = 15 and CONFIG_SPI_FLASH_ERASE_YIELD_DURATION_MS = 20.
* In this case we need to call vTaskDelay because
* the duration of this command + the next command probably will exceed more than 20.
*/
vTaskDelay(CONFIG_SPI_FLASH_ERASE_YIELD_TICKS);
*/
if (s_flash_guard_ops && s_flash_guard_ops->yield) {
s_flash_guard_ops->yield();
}
}
#endif
}

5
components/spi_flash/include/esp_spi_flash.h
View File

@ -317,6 +317,10 @@ typedef void (*spi_flash_op_unlock_func_t)(void);
* @brief Function to protect SPI flash critical regions corruption.
*/
typedef bool (*spi_flash_is_safe_write_address_t)(size_t addr, size_t size);
/**
* @brief Function to yield to the OS during erase operation.
*/
typedef void (*spi_flash_os_yield_t)(void);
/**
* Structure holding SPI flash access critical sections management functions.
@ -357,6 +361,7 @@ typedef struct {
#if !CONFIG_SPI_FLASH_WRITING_DANGEROUS_REGIONS_ALLOWED
spi_flash_is_safe_write_address_t is_safe_write_address; /**< checks flash write addresses.*/
#endif
spi_flash_os_yield_t yield; /**< yield to the OS during flash erase */
} spi_flash_guard_funcs_t;
/**