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Fri, 23 Aug 2024 07:29:25 -0700 (PDT) Date: Fri, 23 Aug 2024 19:59:13 +0530 From: Sunil V L To: Sia Jee Heng Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, qemu-riscv@nongnu.org, mst@redhat.com, imammedo@redhat.com, anisinha@redhat.com, peter.maydell@linaro.org, shannon.zhaosl@gmail.com, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, liwei1518@gmail.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com Subject: Re: [PATCH RESEND v4 0/3] Upgrade ACPI SPCR table to support SPCR table revision 4 format Message-ID: References: <20240823113142.161727-1-jeeheng.sia@starfivetech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240823113142.161727-1-jeeheng.sia@starfivetech.com> Received-SPF: pass client-ip=2a00:1450:4864:20::432; envelope-from=sunilvl@ventanamicro.com; helo=mail-wr1-x432.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hi Jee Heng, On Fri, Aug 23, 2024 at 04:31:39AM -0700, Sia Jee Heng wrote: > Update the SPCR table to accommodate the SPCR Table revision 4 [1]. > The SPCR table has been modified to adhere to the revision 4 format [2]. > > Meanwhile, the virt SPCR golden reference file for RISC-V have been updated to > accommodate the SPCR Table revision 4. > > [1]: https://learn.microsoft.com/en-us/windows-hardware/drivers/serports/serial-port-console-redirection-table > [2]: https://github.com/acpica/acpica/pull/931 > Just curious - whether this needs changes in linux side as well? Does current linux code work fine with version 4 of SPCR table on RISC-V? Thanks, Sunil