This is an old revision of the document!
thinking about how to find the best way I have some ideas but I need to check all
master@universe:/tmp/uboot$ sfdisk --dump /dev/sda
label: gpt
label-id: 73987B6B-4974-4C94-A3E8-58AB2EB7A946
device: /dev/sda
unit: sectors
first-lba: 34
last-lba: 31116254
/dev/sda1 : start= 2048, size= 16384, type=F808D051-1602-4DCD-9452-F9637FEFC49A, uuid=B750E44E-833F-4A30-C38C-B117241D84D4, name="uboot"
U-Boot SPL board init U-Boot SPL 2017.09 (May 12 2023 - 11:40:17) Failed to set cpub01 Failed to set cpub23 I2c2 speed: 100000Hz MCU: boot mode 0x20: 1, flag 0x92: 3 MCU: boot flag < 83 board_boot_order: /chosen found, using spl_boot_device() !!! same-as-spl: +++ /mmc@fe2e0000: !!! /mmc@fe2c0000: !!! /mmc@fe2e0000: !!! /spi@fe2b0000/flash@1: Trying to boot from MMC1 :: 0 Trying fit image at 0x4000 sector Not fit magic Trying fit image at 0x5000 sector Not fit magic
Rebuild EFI boot as FIT image and write to 0x4000 sector
dd if=/dev/sda skip=2048 count=3440 seek=$((0x4000)) of=/dev /mmcblk0
root@edge2-00000:/# dd if=/dev/mmcblk0 skip=$((0x4000)) count=1 | hexdump -C
1+0 records in
1+0 records out
512 bytes copied, 0.000668208 s, 766 kB/s
00000000 d0 0d fe ed 00 00 08 b3 00 00 00 38 00 00 07 e8 |...........8....|
00000010 00 00 00 28 00 00 00 11 00 00 00 10 00 00 00 00 |...(............|
00000020 00 00 00 cb 00 00 07 b0 00 00 00 00 00 00 00 00 |................|
00000030 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 |................|
00000040 00 00 00 03 00 00 00 04 00 00 00 a7 00 00 00 00 |................|
00000050 00 00 00 03 00 00 00 04 00 00 00 9d 00 1a da 57 |...............W|
00000060 00 00 00 03 00 00 00 04 00 00 00 93 64 5d 13 d5 |............d]..|
00000070 00 00 00 03 00 00 00 1f 00 00 00 00 46 49 54 20 |............FIT |
00000080 49 6d 61 67 65 20 77 69 74 68 20 41 54 46 2f 4f |Image with ATF/O|
00000090 50 2d 54 45 45 2f 55 45 46 49 00 00 00 00 00 03 |P-TEE/UEFI......|
000000a0 00 00 00 04 00 00 00 0c 00 00 00 01 00 00 00 01 |................|
000000b0 69 6d 61 67 65 73 00 00 00 00 00 01 75 62 6f 6f |images......uboo|
000000c0 74 00 00 00 00 00 00 03 00 00 00 04 00 00 00 c1 |t...............|
000000d0 00 10 00 00 00 00 00 03 00 00 00 04 00 00 00 b5 |................|
000000e0 00 00 00 00 00 00 00 03 00 00 00 05 00 00 00 00 |................|
000000f0 55 45 46 49 00 00 00 00 00 00 00 03 00 00 00 0b |UEFI............|
00000100 00 00 00 20 73 74 61 6e 64 61 6c 6f 6e 65 00 00 |... standalone..|
00000110 00 00 00 03 00 00 00 06 00 00 00 25 61 72 6d 36 |...........%arm6|
00000120 34 00 00 00 00 00 00 03 00 00 00 07 00 00 00 2a |4..............*|
00000130 55 2d 42 6f 6f 74 00 00 00 00 00 03 00 00 00 05 |U-Boot..........|
00000140 00 00 00 2d 6e 6f 6e 65 00 00 00 00 00 00 00 03 |...-none........|
00000150 00 00 00 04 00 00 00 39 00 20 00 00 00 00 00 01 |.......9. ......|
00000160 68 61 73 68 00 00 00 00 00 00 00 03 00 00 00 20 |hash........... |
00000170 00 00 00 af 43 5a 62 74 4c df d5 01 33 2d 58 d0 |....CZbtL...3-X.|
00000180 28 fe b1 37 45 eb 6c e5 84 f6 e9 f6 ca 69 77 af |(..7E.l......iw.|
00000190 5f 8b c8 a5 00 00 00 03 00 00 00 07 00 00 00 3e |_..............>|
000001a0 73 68 61 32 35 36 00 00 00 00 00 02 00 00 00 02 |sha256..........|
000001b0 00 00 00 01 61 74 66 2d 31 00 00 00 00 00 00 03 |....atf-1.......|
000001c0 00 00 00 04 00 00 00 c1 00 02 f7 64 00 00 00 03 |...........d....|
000001d0 00 00 00 04 00 00 00 b5 00 10 00 00 00 00 00 03 |................|
000001e0 00 00 00 15 00 00 00 00 41 52 4d 20 54 72 75 73 |........ARM Trus|
000001f0 74 65 64 20 46 69 72 6d 77 61 72 65 00 00 00 00 |ted Firmware....|
00000200
Trying to boot from MMC1 :: 1 Trying fit image at 0x4000 sector ## Verified-boot: 0 ## Checking atf-1 0x00040000 ... sha256(909ea14106...) + OK ## Checking uboot 0x00200000 ... sha256(435a62744c...) + OK ## Checking fdt 0x00300000 ... sha256(c07f4a4d71...) + OK ## Checking atf-2 0x000f0000 ... sha256(6a970ae6b4...) + OK ## Checking atf-3 0xff100000 ... sha256(3ea8cf0d7e...) + OK ## Checking optee 0x08400000 ... sha256(fde0860845...) + OK Jumping to U-Boot(0x00200000) via ARM Trusted Firmware(0x00040000) Total: 126.537 ms