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common-coreboot-docs/custom_logo.md: fix

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Signed-off-by: Maciej Pijanowski <maciej.pijanowski@3mdeb.com>
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Maciej Pijanowski
2022-04-21 17:33:50 +02:00
parent 0dfe22eb7f
commit 9eb8417977
1 changed files with 5 additions and 4 deletions
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docs/common-coreboot-docs/custom_logo.md
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@@ -19,7 +19,7 @@ The image file must fulfill a number of requirements:
## Replace logo in an existing image
For devices supporting persistent bootlogo, it's possible to replace the logo
without rebuilding coreboot from scratch. You only need the firmware image
without rebuilding firmware from scratch. You only need the firmware image
and `cbfstool`.
1. Obtain cbfstool source code (skip if you've already cloned the coreboot
@@ -44,11 +44,12 @@ and `cbfstool`.
1. Add your desired bootlogo to the firmware image (replace `[path]` with the
path to your firmware image and `[logo]` with the path to the logo):
```bash
$ util/cbfstool/cbfstool [path] add -f [logo] -r BOOTSPLASH -n logo.bmp -t raw -c lzma
$ cbfstool [path] add -f [logo] -r BOOTSPLASH -n logo.bmp -t raw -c lzma
```
1. Now you can flash the updated coreboot image. If you're not updating firmware
and just changing the logo, only the BOOTSPLASH region needs to be updated:
1. Now you can flash the updated firmware image as usual. If you're not
updating firmware and just changing the logo, only the BOOTSPLASH region
needs to be updated. For example:
```bash
$ sudo flashrom -p internal --fmap -i BOOTSPLASH -w [path]
```