spi_flash_unlock was missing spi_flash_guard_start, which caused cache
to be enabled during unlock operation, causing hard-to-trace crashes
and cache data corruption.
size_t mid_size = (size - left_size) & ~3U;
size_t right_off = left_size + mid_size;
size_t right_size = size - mid_size - left_size;
+ spi_flash_guard_start();
rc = spi_flash_unlock();
+ spi_flash_guard_end();
if (rc != SPI_FLASH_RESULT_OK) {
goto out;
}
COUNTER_START();
spi_flash_disable_interrupts_caches_and_other_cpu();
SpiFlashOpResult rc;
+ spi_flash_guard_start();
rc = spi_flash_unlock();
+ spi_flash_guard_end();
spi_flash_enable_interrupts_caches_and_other_cpu();
if (rc == SPI_FLASH_RESULT_OK) {