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efi: Create a 64-bit app

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Most modern platforms use 64-bit EFI so it is useful to have a U-Boot app
that runs under that. Add a (non-functional) build for this.

Note that --whole-archive causes the gcc 9.2 linker to crash, so disable
this for now. Once this is resolved, things should work.

For now, avoid mentioning the documentation for the 64-bit app, since it
does not work.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Simon Glass
2021-11-03 21:09:07 -06:00
committed by Heinrich Schuchardt
parent f4d227c99f
commit e16c47fa3d
13 changed files with 106 additions and 28 deletions
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6
doc/develop/uefi/u-boot_on_efi.rst
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@@ -48,10 +48,10 @@ for that board. It will be either 32-bit or 64-bit. Alternatively, you can
opt for using QEMU [1] and the OVMF [2], as detailed below.
To build U-Boot as an EFI application (32-bit EFI required), enable CONFIG_EFI
and CONFIG_EFI_APP. The efi-x86_app config (efi-x86_app_defconfig) is set up
and CONFIG_EFI_APP. The efi-x86_app config (efi-x86_app32_defconfig) is set up
for this. Just build U-Boot as normal, e.g.::
make efi-x86_app_defconfig
make efi-x86_app32_defconfig
make
To build U-Boot as an EFI payload (32-bit or 64-bit EFI can be used), enable
@@ -261,7 +261,7 @@ This work could be extended in a number of ways:
- Add ARM support
- Add 64-bit application support
- Add 64-bit application support (in progress)
- Figure out how to solve the interrupt problem