From: Thomas Petazzoni via buildroot <buildroot@buildroot.org>
To: Julien Olivain <ju.o@free.fr>
Cc: buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH v2 1/1] boot/edk2: add support for RISC-V 64bit architecture
Date: Sat, 23 Dec 2023 14:37:02 +0100 [thread overview]
Message-ID: <20231223143702.2a4853b5@windsurf> (raw)
In-Reply-To: <20231222105655.444328-1-ju.o@free.fr>
On Fri, 22 Dec 2023 11:56:55 +0100
Julien Olivain <ju.o@free.fr> wrote:
> RISC-V 64bit qemu virt machine support has been added in edk2
> version "stable202302". See [1].
>
> Since edk2-stable202308, introduced in buildroot in commit 5c9f310
> "boot/edk2: bump to version edk2-stable202308", it is now possible
> to boot the edk2 UEFI shell in qemu.
>
> This commit adds this early RISC-V support to edk2.
>
> The RISC-V edk2 UEFI shell can be booted in Buildroot with the
> following commands:
>
> # Build EDK2 images
> cat > .config <<EOF
> BR2_riscv=y
> BR2_RISCV_64=y
> BR2_PACKAGE_HOST_QEMU=y
> BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y
> BR2_TARGET_EDK2=y
> EOF
> make olddefconfig
> make
>
> # edk2 image size should fit the 32MB of qemu pflash memories
> truncate -s 32M output/images/RISCV_VIRT_CODE.fd
> truncate -s 32M output/images/RISCV_VIRT_VARS.fd
>
> # Start qemu:
> output/host/usr/bin/qemu-system-riscv64 \
> -M virt,pflash0=pflash0,pflash1=pflash1,acpi=off \
> -nographic \
> -blockdev node-name=pflash0,driver=file,read-only=on,filename=output/images/RISCV_VIRT_CODE.fd \
> -blockdev node-name=pflash1,driver=file,filename=output/images/RISCV_VIRT_VARS.fd
>
> Note: a Qemu version >= 8.0.0 is needed to properly start edk2. A qemu
> version on the host system might not be sufficient. This is why the
> Buildroot host-qemu is built in this config example.
>
> [1] https://github.com/tianocore/edk2/releases/tag/edk2-stable202302
>
> Signed-off-by: Julien Olivain <ju.o@free.fr>
> ---
> Change v1 -> v2:
> - Fix 2 typos in the commit log, as reported by Thomas in [2]
Applied to master, thanks.
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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next prev parent reply other threads:[~2023-12-23 13:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-02 19:30 [Buildroot] [PATCH next 1/1] boot/edk2: add support for RISC-V 64bit architecture Julien Olivain
2023-09-02 20:18 ` Thomas Petazzoni via buildroot
2023-12-22 10:56 ` [Buildroot] [PATCH v2 " Julien Olivain
2023-12-23 13:37 ` Thomas Petazzoni via buildroot [this message]
2023-12-24 16:44 ` Yann E. MORIN
2023-12-24 16:55 ` Yann E. MORIN
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