djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[Fix] Wrong fix of cache use for STM32

Browse Source
This commit is contained in:
elpekenin 2023-08-02 20:13:52 +02:00
parent 9cc4b4cd37
commit 40e833c746
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
ports/stm/supervisor/internal_flash.c
View File

@ -302,9 +302,9 @@ mp_uint_t supervisor_flash_read_blocks(uint8_t *dest, uint32_t block, uint32_t n
uint32_t sector_start_addr;
flash_get_sector_info(src, &sector_start_addr, &sector_size);
// Count how many blocks are left in the sector
uint32_t count = (sector_size - (src - sector_start_addr)) / FILESYSTEM_BLOCK_SIZE;
uint32_t blocks_left_in_sector = (sector_size - (src - sector_start_addr)) / FILESYSTEM_BLOCK_SIZE;
if (count <= num_blocks && _cache_flash_addr == sector_start_addr) {
if (num_blocks <= blocks_left_in_sector && _cache_flash_addr == sector_start_addr) {
// Read is contained in the cache, so just read cache
memcpy(dest, (_flash_cache + (src - sector_start_addr)), FILESYSTEM_BLOCK_SIZE * num_blocks);
} else {