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[83.57.175.68]) by smtp.gmail.com with ESMTPSA id r10sm8601151wmh.45.2021.03.03.10.38.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Mar 2021 10:38:06 -0800 (PST) Subject: Re: [PATCH v3 4/7] hw/core: implement a guest-loader to support static hypervisor guests From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= To: =?UTF-8?Q?Alex_Benn=c3=a9e?= , qemu-devel@nongnu.org References: <20210303173642.3805-1-alex.bennee@linaro.org> <20210303173642.3805-5-alex.bennee@linaro.org> <224e4bad-6185-a457-ddb5-f04d5c16e2dc@redhat.com> Message-ID: Date: Wed, 3 Mar 2021 19:38:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <224e4bad-6185-a457-ddb5-f04d5c16e2dc@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: julien@xen.org, andre.przywara@arm.com, stefano.stabellini@linaro.org, xen-devel@lists.xenproject.org, stefano.stabellini@xilinx.com, stratos-dev@op-lists.linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 3/3/21 7:37 PM, Philippe Mathieu-Daudé wrote: > On 3/3/21 6:36 PM, Alex Bennée wrote: >> Hypervisors, especially type-1 ones, need the firmware/bootcode to put >> their initial guest somewhere in memory and pass the information to it >> via platform data. The guest-loader is modelled after the generic >> loader for exactly this sort of purpose: >> >> $QEMU $ARGS -kernel ~/xen.git/xen/xen \ >> -append "dom0_mem=1G,max:1G loglvl=all guest_loglvl=all" \ >> -device guest-loader,addr=0x42000000,kernel=Image,bootargs="root=/dev/sda2 ro console=hvc0 earlyprintk=xen" \ >> -device guest-loader,addr=0x47000000,initrd=rootfs.cpio >> >> Signed-off-by: Alex Bennée >> Message-Id: <20201105175153.30489-5-alex.bennee@linaro.org> >> Message-Id: <20210211171945.18313-5-alex.bennee@linaro.org> >> --- >> hw/core/guest-loader.h | 34 ++++++++++ >> hw/core/guest-loader.c | 145 +++++++++++++++++++++++++++++++++++++++++ >> MAINTAINERS | 5 ++ >> hw/core/meson.build | 2 + >> 4 files changed, 186 insertions(+) >> create mode 100644 hw/core/guest-loader.h >> create mode 100644 hw/core/guest-loader.c > > Missing documentation, And I now see the following patches... > Reviewed-by: Philippe Mathieu-Daudé >