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| author | Bin Meng <bmeng.cn@gmail.com> | 2021-06-21 05:12:32 +0300 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2021-11-01 04:50:55 +0300 |
| commit | 7a0eecb2bd818faa8fe4f64c5db95d019be701bd (patch) | |
| tree | a3d27e29905c56d8a1bdf927e4fff0e3a4fc3027 /doc | |
| parent | 360e392274e3bfeda3b7226d2cac7514774d0da1 (diff) | |
| download | u-boot-7a0eecb2bd818faa8fe4f64c5db95d019be701bd.tar.xz | |
docs: uefi: Update stale U-Boot on EFI doc
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>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/develop/uefi/u-boot_on_efi.rst | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/doc/develop/uefi/u-boot_on_efi.rst b/doc/develop/uefi/u-boot_on_efi.rst index c9a41bc919..43afb11de5 100644 --- a/doc/develop/uefi/u-boot_on_efi.rst +++ b/doc/develop/uefi/u-boot_on_efi.rst @@ -72,17 +72,19 @@ You will end up with one of these files depending on what you build for: Trying it out ------------- 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:: mkdir /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 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 -prebuilt EFI BIOS for QEMU or you can build one from source as well. +run the application. 'edk2-x86_64-code.fd' is the EFI 'BIOS'. QEMU already +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, such as a USB stick. Then you can type something like this to start it:: @@ -232,4 +234,4 @@ Google, Inc July 2015 * [1] http://www.qemu.org -* [2] http://www.tianocore.org/ovmf/ +* [2] https://github.com/tianocore/tianocore.github.io/wiki/OVMF |