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docs/build: Add U-Boot examples 

Add some lbmk invocation examples for U-Boot. Try to keep it light in
the section that tells people to just use "build boot roms" instead,
but have more detail in the payload-specific section.

Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
hslick-master
Alper Nebi Yasak 2022-12-17 23:21:53 +03:00 committed by Leah Rowe
parent 1eda00be69
commit ec46a0c5f1
1 changed files with 15 additions and 0 deletions
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site/docs/build/index.md vendored
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@ -147,6 +147,8 @@ If you wish to build payloads, you can also do that. For example:
./build payload seabios ./build payload seabios
./build payload u-boot qemu_x86_12mb
Previous steps will be performed automatically. However, you can *still* run Previous steps will be performed automatically. However, you can *still* run
individual parts of the build system manually, if you choose. This may be individual parts of the build system manually, if you choose. This may be
beneficial when you're making changes, and you wish to test a specific part of beneficial when you're making changes, and you wish to test a specific part of
@ -202,6 +204,8 @@ Example of downloading an individual module:
./download flashrom ./download flashrom
./download u-boot
Third, build all of the modules: Third, build all of the modules:
-------------------------------- --------------------------------
@ -260,6 +264,17 @@ Example of building specific payloads:
./build payload seabios ./build payload seabios
Each board has its own U-Boot build configuration in `lbmk` under
`resources/u-boot`. To build U-Boot payloads, you need to specify the
target board and maybe a cross compiler for its CPU architecture. These
are handled automatically when building ROM images, but for example:
./build payload u-boot qemu_x86_12mb # on x86 hosts
CROSS_COMPILE=aarch64-linux-gnu- ./build payload u-boot gru_kevin
CROSS_COMPILE=arm-linux-gnueabi- ./build payload u-boot veyron_speedy
The build-payload command is is a prerequsite for building ROM images. The build-payload command is is a prerequsite for building ROM images.
Fifth, build the ROMs! Fifth, build the ROMs!