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From: Thomas Petazzoni via buildroot <buildroot@buildroot.org>
To: Julien Olivain <ju.o@free.fr>
Cc: buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH next 1/1] boot/edk2: add support for RISC-V 64bit architecture
Date: Sat, 2 Sep 2023 22:18:15 +0200	[thread overview]
Message-ID: <20230902221815.62c472d1@windsurf> (raw)
In-Reply-To: <20230902193000.1457685-1-ju.o@free.fr>

On Sat,  2 Sep 2023 21:30:00 +0200
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 now be suffucient. This is why the

                                   ^^^ not   ^^^^^ sufficient

(Minor nits, no need to send a v2 for this)

Thomas
-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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  reply	other threads:[~2023-09-02 20:18 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 [this message]
2023-12-22 10:56 ` [Buildroot] [PATCH v2 " Julien Olivain
2023-12-23 13:37   ` Thomas Petazzoni via buildroot
2023-12-24 16:44   ` Yann E. MORIN
2023-12-24 16:55     ` Yann E. MORIN

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