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docs: uefi: Update stale U-Boot on EFI doc

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The existing intructions in the U-Boot on EFI doc do not work with
the latest QEMU. Update the doc with the correct instructions, as
well as using the new OVMF URL link.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Bin Meng 2021-06-21 10:12:32 +08:00
parent 360e392274
commit 7a0eecb2bd
1 changed files with 7 additions and 5 deletions
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12
doc/develop/uefi/u-boot_on_efi.rst
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@ -72,17 +72,19 @@ You will end up with one of these files depending on what you build for:
Trying it out Trying it out
------------- -------------
QEMU is an emulator and it can emulate an x86 machine. Please make sure your QEMU is an emulator and it can emulate an x86 machine. Please make sure your
QEMU version is 2.3.0 or above to test this. You can run the payload with QEMU version is 6.0.0 or above to test this. You can run the payload with
something like this:: something like this::
mkdir /tmp/efi mkdir /tmp/efi
cp /path/to/u-boot*.efi /tmp/efi cp /path/to/u-boot*.efi /tmp/efi
qemu-system-x86_64 -bios bios.bin -hda fat:/tmp/efi/ qemu-system-x86_64 -pflash edk2-x86_64-code.fd -hda fat:rw:/tmp/efi/
Add -nographic if you want to use the terminal for output. Once it starts Add -nographic if you want to use the terminal for output. Once it starts
type 'fs0:u-boot-payload.efi' to run the payload or 'fs0:u-boot-app.efi' to type 'fs0:u-boot-payload.efi' to run the payload or 'fs0:u-boot-app.efi' to
run the application. 'bios.bin' is the EFI 'BIOS'. Check [2] to obtain a run the application. 'edk2-x86_64-code.fd' is the EFI 'BIOS'. QEMU already
prebuilt EFI BIOS for QEMU or you can build one from source as well. ships both 32-bit and 64-bit EFI BIOS images. For 32-bit EFI 'BIOS' image,
use 'edk2-i386-code.fd'.
To try it on real hardware, put u-boot-app.efi on a suitable boot medium, To try it on real hardware, put u-boot-app.efi on a suitable boot medium,
such as a USB stick. Then you can type something like this to start it:: such as a USB stick. Then you can type something like this to start it::
@ -232,4 +234,4 @@ Google, Inc
July 2015 July 2015
* [1] http://www.qemu.org * [1] http://www.qemu.org
* [2] http://www.tianocore.org/ovmf/ * [2] https://github.com/tianocore/tianocore.github.io/wiki/OVMF