.. first_boot_enc
.. code-block:: none
rst:0x1 (POWERON),boot:0xc (SPI_FAST_FLASH_BOOT)
SPIWP:0xee
mode:DIO, clock div:2
load:0x4086c410,len:0xd5c
load:0x4086e610,len:0x4584
load:0x40875888,len:0x2bac
entry 0x4086c410
I (25) boot: ESP-IDF v5.1-dev-4270-g4bff4ed6e5-dirty 2nd stage bootloader
I (25) boot: compile time Mar 27 2023 16:48:49
I (27) boot: chip revision: v0.0
I (30) boot.esp32c6: SPI Speed : 40MHz
I (35) boot.esp32c6: SPI Mode : DIO
I (40) boot.esp32c6: SPI Flash Size : 2MB
I (44) boot: Enabling RNG early entropy source...
W (50) bootloader_random: bootloader_random_enable() has not been implemented yet
I (58) boot: Partition Table:
I (62) boot: ## Label Usage Type ST Offset Length
I (69) boot: 0 nvs WiFi data 01 02 0000a000 00006000
I (76) boot: 1 storage Unknown data 01 ff 00010000 00001000
I (84) boot: 2 factory factory app 00 00 00020000 00100000
I (91) boot: 3 nvs_key NVS keys 01 04 00120000 00001000
I (99) boot: 4 custom_nvs WiFi data 01 02 00121000 00006000
I (106) boot: End of partition table
I (110) esp_image: segment 0: paddr=00020020 vaddr=42018020 size=090e8h ( 37096) map
I (126) esp_image: segment 1: paddr=00029110 vaddr=40800000 size=06f08h ( 28424) load
I (134) esp_image: segment 2: paddr=00030020 vaddr=42000020 size=12fd8h ( 77784) map
I (151) esp_image: segment 3: paddr=00043000 vaddr=40806f08 size=03c00h ( 15360) load
I (158) boot: Loaded app from partition at offset 0x20000
I (158) boot: Checking flash encryption...
I (160) efuse: Batch mode of writing fields is enabled
I (165) flash_encrypt: Generating new flash encryption key...
I (174) efuse: Writing EFUSE_BLK_KEY0 with purpose 4
W (178) flash_encrypt: Not disabling UART bootloader encryption
I (184) flash_encrypt: Disable UART bootloader cache...
I (190) flash_encrypt: Disable JTAG...
I (197) efuse: BURN BLOCK4
I (204) efuse: BURN BLOCK4 - OK (write block == read block)
I (206) efuse: BURN BLOCK0
I (212) efuse: BURN BLOCK0 - OK (all write block bits are set)
I (216) efuse: Batch mode. Prepared fields are committed
I (222) esp_image: segment 0: paddr=00000020 vaddr=4086c410 size=00d5ch ( 3420)
I (231) esp_image: segment 1: paddr=00000d84 vaddr=4086e610 size=04584h ( 17796)
I (240) esp_image: segment 2: paddr=00005310 vaddr=40875888 size=02bach ( 11180)
I (632) flash_encrypt: bootloader encrypted successfully
I (679) flash_encrypt: partition table encrypted and loaded successfully
I (680) flash_encrypt: Encrypting partition 1 at offset 0x10000 (length 0x1000)...
I (732) flash_encrypt: Done encrypting
I (732) esp_image: segment 0: paddr=00020020 vaddr=42018020 size=090e8h ( 37096) map
I (741) esp_image: segment 1: paddr=00029110 vaddr=40800000 size=06f08h ( 28424)
I (747) esp_image: segment 2: paddr=00030020 vaddr=42000020 size=12fd8h ( 77784) map
I (765) esp_image: segment 3: paddr=00043000 vaddr=40806f08 size=03c00h ( 15360)
I (769) flash_encrypt: Encrypting partition 2 at offset 0x20000 (length 0x100000)...
I (13025) flash_encrypt: Done encrypting
I (13025) flash_encrypt: Encrypting partition 3 at offset 0x120000 (length 0x1000)...
I (13074) flash_encrypt: Done encrypting
I (13075) efuse: BURN BLOCK0
I (13077) efuse: BURN BLOCK0 - OK (all write block bits are set)
I (13078) flash_encrypt: Flash encryption completed
I (13083) boot: Resetting with flash encryption enabled...
------
.. already_en_enc
.. code-block:: none
rst:0x3 (LP_SW_HPSYS),boot:0xc (SPI_FAST_FLASH_BOOT)
Saved PC:0x4001974a
SPIWP:0xee
mode:DIO, clock div:2
load:0x4086c410,len:0xd5c
load:0x4086e610,len:0x4584
load:0x40875888,len:0x2bac
entry 0x4086c410
I (24) boot: ESP-IDF v5.1-dev-4270-g4bff4ed6e5-dirty 2nd stage bootloader
I (24) boot: compile time Mar 27 2023 16:48:49
I (25) boot: chip revision: v0.0
I (29) boot.esp32c6: SPI Speed : 40MHz
I (34) boot.esp32c6: SPI Mode : DIO
I (39) boot.esp32c6: SPI Flash Size : 2MB
I (43) boot: Enabling RNG early entropy source...
W (49) bootloader_random: bootloader_random_enable() has not been implemented yet
I (57) boot: Partition Table:
I (60) boot: ## Label Usage Type ST Offset Length
I (68) boot: 0 nvs WiFi data 01 02 0000a000 00006000
I (75) boot: 1 storage Unknown data 01 ff 00010000 00001000
I (83) boot: 2 factory factory app 00 00 00020000 00100000
I (90) boot: 3 nvs_key NVS keys 01 04 00120000 00001000
I (98) boot: 4 custom_nvs WiFi data 01 02 00121000 00006000
I (105) boot: End of partition table
I (109) esp_image: segment 0: paddr=00020020 vaddr=42018020 size=090e8h ( 37096) map
I (126) esp_image: segment 1: paddr=00029110 vaddr=40800000 size=06f08h ( 28424) load
I (134) esp_image: segment 2: paddr=00030020 vaddr=42000020 size=12fd8h ( 77784) map
I (152) esp_image: segment 3: paddr=00043000 vaddr=40806f08 size=03c00h ( 15360) load
I (159) boot: Loaded app from partition at offset 0x20000
I (159) boot: Checking flash encryption...
I (160) flash_encrypt: flash encryption is enabled (1 plaintext flashes left)
I (168) boot: Disabling RNG early entropy source...
W (173) bootloader_random: bootloader_random_enable() has not been implemented yet
I (193) cpu_start: Pro cpu up.
W (202) clk: esp_perip_clk_init() has not been implemented yet
I (208) cpu_start: Pro cpu start user code
I (209) cpu_start: cpu freq: 160000000 Hz
I (209) cpu_start: Application information:
I (211) cpu_start: Project name: flash_encryption
I (217) cpu_start: App version: v5.1-dev-4270-g4bff4ed6e5-dirty
I (224) cpu_start: Compile time: Mar 27 2023 16:49:00
I (230) cpu_start: ELF file SHA256: df1dd35054510e16...
I (236) cpu_start: ESP-IDF: v5.1-dev-4270-g4bff4ed6e5-dirty
I (243) cpu_start: Min chip rev: v0.0
I (248) cpu_start: Max chip rev: v0.99
I (253) cpu_start: Chip rev: v0.0
I (258) heap_init: Initializing. RAM available for dynamic allocation:
I (265) heap_init: At 4080B9E0 len 00070C30 (451 KiB): D/IRAM
I (271) heap_init: At 4087C610 len 00002F54 (11 KiB): STACK/DIRAM
I (278) heap_init: At 50000010 len 00003FF0 (15 KiB): RTCRAM
I (285) spi_flash: detected chip: generic
I (289) spi_flash: flash io: dio
W (293) spi_flash: Detected size(4096k) larger than the size in the binary image header(2048k). Using the size in the binary image header.
W (306) flash_encrypt: Flash encryption mode is DEVELOPMENT (not secure)
I (314) sleep: Configure to isolate all GPIO pins in sleep state
I (320) sleep: Enable automatic switching of GPIO sleep configuration
I (327) coexist: coex firmware version: 5315623
I (333) coexist: coexist rom version 5b8dcfa
I (338) app_start: Starting scheduler on CPU0
I (342) main_task: Started on CPU0
I (342) main_task: Calling app_main()
Example to check Flash Encryption status
This is esp32c6 chip with 1 CPU core(s), WiFi/BLE, silicon revision v0.0, 2MB external flash
FLASH_CRYPT_CNT eFuse value is 1
Flash encryption feature is enabled in DEVELOPMENT mode
------