From: Andrea Bolognani <abologna@redhat.com>
To: Sunil V L <sunilvl@ventanamicro.com>
Cc: qemu-riscv@nongnu.org, qemu-devel@nongnu.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Alistair Francis <alistair.francis@wdc.com>,
Bin Meng <bin.meng@windriver.com>,
Weiwei Li <liweiwei@iscas.ac.cn>,
Daniel Henrique Barboza <dbarboza@ventanamicro.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>
Subject: Re: [PATCH v5 0/3] hw/riscv/virt: pflash improvements
Date: Fri, 26 May 2023 08:47:54 -0400 [thread overview]
Message-ID: <CABJz62OvBz43LLPyqT7f-ktn9f9hyMed-Wm8ezVom2chQmX5Mw@mail.gmail.com> (raw)
In-Reply-To: <20230526121006.76388-1-sunilvl@ventanamicro.com>
On Fri, May 26, 2023 at 05:40:03PM +0530, Sunil V L wrote:
> This series improves the pflash usage in RISC-V virt machine with solutions to
> below issues.
>
> 1) Currently the first pflash is reserved for ROM/M-mode firmware code. But S-mode
> payload firmware like EDK2 need both pflash devices to have separate code and variable
> store so that OS distros can keep the FW code as read-only.
>
> The issue is reported at
> https://salsa.debian.org/qemu-team/edk2/-/commit/c345655a0149f64c5020bfc1e53c619ce60587f6
>
> 2) The latest way of using pflash devices in other architectures and libvirt
> is by using -blockdev and machine options. However, currently this method is
> not working in RISC-V.
>
> With above issues fixed, added documentation on how to use pflash devices
> in RISC-V virt machine.
>
> This patch series is based on Alistair's riscv-to-apply.next branch.
>
> Changes since v4:
> 1) Updated patch 2 to avoid accessing private field as per feedback from Philippe.
> 2) Updated documentation patch to add read-only for ROM usage.
> 3) Rebased to latest riscv-to-apply.next branch and updated tags.
Still works great :)
Tested-by: Andrea Bolognani <abologna@redhat.com>
--
Andrea Bolognani / Red Hat / Virtualization
next prev parent reply other threads:[~2023-05-26 12:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-26 12:10 [PATCH v5 0/3] hw/riscv/virt: pflash improvements Sunil V L
2023-05-26 12:10 ` [PATCH v5 1/3] hw/riscv: virt: Assume M-mode FW in pflash0 only when "-bios none" Sunil V L
2023-05-26 12:10 ` [PATCH v5 2/3] riscv/virt: Support using pflash via -blockdev option Sunil V L
2023-05-26 14:04 ` Philippe Mathieu-Daudé
2023-05-26 12:10 ` [PATCH v5 3/3] docs/system: riscv: Add pflash usage details Sunil V L
2023-05-26 14:04 ` Philippe Mathieu-Daudé
2023-05-26 12:47 ` Andrea Bolognani [this message]
2023-05-31 5:16 ` [PATCH v5 0/3] hw/riscv/virt: pflash improvements Anup Patel
2023-05-31 11:34 ` Andrea Bolognani
2023-05-31 13:48 ` Sunil V L
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