alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-09 20:41:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improve flash encryption documentation and add Development & Release modes

Browse Source 
This MR improves existing flash encryption document to provide simplified steps
Adds two new modes for user: Development & Release
Adds a simple example
Supports encrypted write through make command
This commit is contained in:
Hemal Gujarathi
2019-01-21 22:14:56 +08:00
committed by bot
parent beaefd3359
commit a68c7c21e1
22 changed files with 924 additions and 247 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
components/esp32/cpu_start.c
View File

@@ -62,7 +62,7 @@
#include "esp_core_dump.h"
#include "esp_app_trace.h"
#include "esp_private/dbg_stubs.h"
#include "esp_efuse.h"
#include "esp_flash_encrypt.h"
#include "esp32/spiram.h"
#include "esp_clk_internal.h"
#include "esp_timer.h"
@@ -202,6 +202,20 @@ void IRAM_ATTR call_start_cpu0()
abort();
}
ESP_EARLY_LOGI(TAG, "Starting app cpu, entry point is %p", call_start_cpu1);
esp_flash_enc_mode_t mode;
mode = esp_get_flash_encryption_mode();
if (mode == ESP_FLASH_ENC_MODE_DEVELOPMENT) {
#ifdef CONFIG_SECURE_FLASH_ENCRYPTION_MODE_RELEASE
ESP_EARLY_LOGE(TAG, "Flash encryption settings error: mode should be RELEASE but is actually DEVELOPMENT");
ESP_EARLY_LOGE(TAG, "Mismatch found in security options in menuconfig and efuse settings");
#else
ESP_EARLY_LOGW(TAG, "Flash encryption mode is DEVELOPMENT");
#endif
} else if (mode == ESP_FLASH_ENC_MODE_RELEASE) {
ESP_EARLY_LOGI(TAG, "Flash encryption mode is RELEASE");
}
//Flush and enable icache for APP CPU
Cache_Flush(1);
Cache_Read_Enable(1);