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器件型号:AM6421 工具与软件:
我根据 AM62x 移植指南、获得了基于 EVM 板文件的定制板配置(因为显然没有 AM64xx 的配置)。
在 R5内核上查看 SPL 引导的输出时、我偶然发现了这些警告、这些警告可以在本论坛上发布的许多日志中找到、但我发现它们无法直接解决?
那么这是输出:
SYSFW ABI: 4.0 (firmware rev 0x000a '10.0.8--v10.00.08 (Fiery Fox)') SPL initial stack usage: 13392 bytes Trying to boot from SPI Authentication passed Authentication passed Authentication passed Authentication passed Starting ATF on ARM64 core... NOTICE: BL31: v2.10.0(release):v2.10.0-367-g00f1ec6b87-dirty NOTICE: BL31: Built : 16:09:05, Feb 9 2024 I/TC: I/TC: OP-TEE version: 4.2.0-dev (gcc version 13.3.0 (GCC)) #1 Fri Apr 12 09:51:21 UTC 2024 aarch64 I/TC: WARNING: This OP-TEE configuration might be insecure! I/TC: WARNING: Please check optee.readthedocs.io/.../porting_guidelines.html I/TC: Primary CPU initializing I/TC: GIC redistributor base address not provided I/TC: Assuming default GIC group status and modifier I/TC: SYSFW ABI: 4.0 (firmware rev 0x000a '10.0.8--v10.00.08 (Fiery Fox)') I/TC: HUK Initialized I/TC: Activated SA2UL device I/TC: Enabled firewalls for SA2UL TRNG device I/TC: SA2UL TRNG initialized I/TC: SA2UL Drivers initialized I/TC: Primary CPU switching to normal world boot
有人能解释 OP-TEE 发出的警告吗? 我们感觉 TI SDK 树中缺少某个器件(u-boot、op-tee 或两者)来解决此问题。