> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs-staging.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# 更新内核命令行参数

要更新内核命令行，可修改 `meta-qcom/ci/base.yml` 中的 `KERNEL_CMDLINE_EXTRA` 以将更改应用于所有机器，或修改 SoC 专用的机器包含文件（`meta-qcom/conf/machine/include/qcom-<SoC>.inc`）以仅应用于单个目标：

```text theme={null}
KERNEL_CMDLINE_EXTRA:append = "console=ttyMSM0,115200n8 earlycon"
```