blackbeard420/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf synced 2025-03-09 09:09:10 -04:00
Code Issues Projects Releases Wiki Activity

Fixed esp_core_dump_image_erase() for flash encryption with 16byte long write buffer

Browse Source
This commit is contained in:
0xFEEDC0DE64 2021-04-27 15:15:35 +02:00 committed by Omar Chebib
parent 0423027d5d
commit 035c1ac901
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
components/espcoredump/src/core_dump_flash.c
View File

@ -12,6 +12,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include <assert.h>
#include "esp_core_dump.h"
#include "esp_partition.h"
#include "esp_log.h"
#include "esp_core_dump_types.h"
@ -456,9 +458,21 @@ esp_err_t esp_core_dump_image_erase(void)
return err;
}
// helper to create (multiple of) 16 byte long write buffers
struct __attribute__((__packed__)) {
uint32_t size;
char buf[16-sizeof(uint32_t)];
} helper;
_Static_assert(sizeof(helper) % 16 == 0, "esp_partition_write() needs multiple of 16 byte long buffers");
// Mark core dump as deleted by setting field size
const uint32_t blank_size = BLANK_COREDUMP_SIZE;
err = esp_partition_write(core_part, 0, &blank_size, sizeof(blank_size));
helper.size = BLANK_COREDUMP_SIZE;
// fill the remaining bytes
memset(&helper.buf, '\0', sizeof(helper.buf));
err = esp_partition_write(core_part, 0, &helper, sizeof(helper));
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to write core dump partition size (%d)!", err);
}