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x86: Add a reference to README.efi

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UEFI is commonly used on x86. Add a reference to U-Boot's support for this
in the x86 README.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2016-07-17 01:23:45 -06:00 • committed by Bin Meng
parent dc396210d9
commit 007adbc2f9
1 changed files with 11 additions and 0 deletions
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11
doc/README.x86
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@ -1039,10 +1039,21 @@ command from the OS.
For other platform boards, ACPI support status can be checked by examining their
board defconfig files to see if CONFIG_GENERATE_ACPI_TABLE is set to y.
EFI Support
-----------
U-Boot supports booting as a 32-bit or 64-bit EFI payload, e.g. with UEFI.
This is enabled with CONFIG_EFI_STUB. U-Boot can also run as an EFI
application, with CONFIG_EFI_APP. The CONFIG_EFI_LOADER option, where U-Booot
provides an EFI environment to the kernel (i.e. replaces UEFI completely but
provides the same EFI run-time services) is not currently supported on x86.
See README.efi for details of EFI support in U-Boot.
TODO List
---------
- Audio
- Chrome OS verified boot
- Support for CONFIG_EFI_LOADER
References
----------