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对于定制电路板、我们基于 meta-ti Yocto 层构建 Linux 图像。 我们定义了我们的定制 Yocto 机器("Puma")。 系统引导时 会显示一些警告、指出引导加载程序是无符号的。 如何删除此消息? 如何使用 Yocto 签署引导加载程序?
U-Boot SPL 2021.01-g4a2944651e (Feb 21 2023 - 23:56:53 +0000) EEPROM not available at 80, trying to read at 81 Reading on-board EEPROM at 0x51 failed -1 Resetting on cold boot to workaround ErrataID:i2331 resetting ... U-Boot SPL 2021.01-g4a2944651e (Feb 21 2023 - 23:56:53 +0000) EEPROM not available at 80, trying to read at 81 Reading on-board EEPROM at 0x51 failed -1 SYSFW ABI: 3.1 (firmware rev 0x0008 '8.4.7--v08.04.07 (Jolly Jellyfi') esm main init failed: -19 esm mcu init failed: -19 SPL initial stack usage: 13408 bytes ###### PUMA SPL board init ###### Trying to boot from eth device eth1: ethernet@8000000port@2 ethernet@8000000port@2 Waiting for PHY auto negotiation to complete...... done link up on port 2, speed 100, full duplex BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 DHCP client bound to address 192.168.1.13 (1266 ms) Using ethernet@8000000port@2 device TFTP from server 192.168.1.11; our IP address is 192.168.1.13 Filename 'tispl.bin'. Load address: 0x82000000 Loading: ################################################################# ################################################################# ######################################## 439.5 KiB/s done Bytes transferred = 869115 (d42fb hex) Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
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