77 lines
2.7 KiB
Plaintext
77 lines
2.7 KiB
Plaintext
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1. How to generate configs
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Changing directory (cd) to the top of kernel source dir, running:
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./package/configs-generate.sh
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Configs will be generated at package/ directory same as ever(such as
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package/default/config.default).
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Config is generated by "make base-config delta-config" similarity.
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Please read "./package/configs-generate.sh script" if you want only
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generate one config.
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2. How to edit configs
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Config sources are at the directories as below:
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arch/x86/configs/
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arch/arm64/configs/
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kernel/configs/
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Base configs is arch/$arch/configs/tencent.config, you should modify base
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configs in most cases. $arch is support x86 and arm64 now.
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It doesn't recommend to modify base configs only using vim. It recommend
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to using the steps to modify base configs as below:
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a, create .config:
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make ARCH=$arch tencentconfig
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b, modify .config as your expectation:
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method1: make ARCH=$arch menuconfig to change the CONFIGs
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method2: vim .config , and then make ARCH=$arch olddefconfig
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Note: Using method2 need to check whether the CONFIG* which you
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want to enable are really enabled, because the depend on
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CONFIG* may haven't been eabled.
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c, create defconfig:
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make ARCH=$arch savedefconfig
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d, update tencent.config:
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mv defconfig arch/$arch/configs/tencent.config
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Other configs (except config.pswitch) are delta configs, which will
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overwrite the duplicate name CONFIG_* in base config (tencent.config).
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Related Link:
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https://iwiki.woa.com/pages/viewpage.action?pageId=4007623631
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3. Configs introduction
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config.default
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TK4 x86 private release version using this config to build kernel image.
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TK4 aarch64 release version using this config to build kernel image.
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config.default_nosign
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Used for x86 architecture.
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This config is base no config.default, and change CONFIG_MODULE_SIG to
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be disabled.
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With CONFIG_MODULE_SIG be disabled, developers could build kernel image
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and test kernel modules more easier.
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config.default_debug and config.default_kasan
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config.default_kasan is the same with config.default_debug.
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The configs with CONFIG_KASAN and other debug configs enabled, used for
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debugging problems.
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config.default_performance
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This config is created and maintained by CSIG, used for highest
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performing version.
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config.cloud-game
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This config is created and maintained by kevinclli (视频渲染组), used
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for cloud game.
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Cloud-game needing run android container, which using 4k page. So, they
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can't using config.default directly.
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config.pswitch
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The programmble switch team need a different kernel config, which
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include much old slow speed bus, which enlarge the kernel size.
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4. To do
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TK4 x86 public release version needing a config. Which need to be created
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and maintained by CSIG.
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