diff options
| -rw-r--r-- | stm/storage.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/stm/storage.c b/stm/storage.c index 7342a53ac..daee4adb5 100644 --- a/stm/storage.c +++ b/stm/storage.c @@ -53,8 +53,10 @@ static uint8_t *cache_get_addr_for_read(uint32_t flash_addr) { uint32_t flash_sector_start; uint32_t flash_sector_size; uint32_t flash_sector_id = flash_get_sector_info(flash_addr, &flash_sector_start, &flash_sector_size); - if (cache_flash_sector_id == flash_sector_id) + if (cache_flash_sector_id == flash_sector_id) { + // in cache, copy from there return (uint8_t*)CACHE_MEM_START_ADDR + flash_addr - flash_sector_start; + } // not in cache, copy straight from flash return (uint8_t*)flash_addr; } @@ -141,6 +143,7 @@ bool storage_read_block(uint8_t *dest, uint32_t block) { return true; } else if (FLASH_PART1_START_BLOCK <= block && block < FLASH_PART1_START_BLOCK + FLASH_PART1_NUM_BLOCKS) { + // non-MBR block, get data from flash memory, possibly via cache uint32_t flash_addr = FLASH_MEM_START_ADDR + (block - FLASH_PART1_START_BLOCK) * BLOCK_SIZE; uint8_t *src = cache_get_addr_for_read(flash_addr); memcpy(dest, src, BLOCK_SIZE); |