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Tue, 11 Mar 2025 00:36:55 -0700 (PDT) Received: from localhost ([118.208.151.101]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73699da011asm9530371b3a.84.2025.03.11.00.36.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Mar 2025 00:36:55 -0700 (PDT) Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Tue, 11 Mar 2025 17:36:51 +1000 Message-Id: Subject: Re: [PATCH v2 0/5] ppc/amigaone patches From: "Nicholas Piggin" To: "BALATON Zoltan" , , X-Mailer: aerc 0.19.0 References: In-Reply-To: Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=npiggin@gmail.com; helo=mail-pl1-x632.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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 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 On Fri Feb 28, 2025 at 2:39 AM AEST, BALATON Zoltan wrote: > Hello, > > v2: > - change unused read function to g_assert_not_reached() > - new patch to add defines to constants > - added R-b tags > > This series adds NVRAM and support for -kernel, -initrd and -append > options to the amigaone machine. This makes it easier to boot AmigaOS > and avoids a crash in the guest when it tries to access NVRAM. > > While the -kernel option emulates what U-Boot passes to the kernel, > old Linux kernels for amigaone may not work with it because of two > reasons: these come in legacy U-Boot Multi-File image format that QEMU > cannot read and even after unpacking that and creating a kernel uimage > it won't find PCI devices because it does not initialise them > correctly. This works when booted from U-Boot because U-Boot inits PCI > devices. So does my BBoot loader which can be used to load AmigaOS so > I don't intend to emulate that part of U-Boot. > > I'd like this to be merged for the next release please. When merging > please update https://wiki.qemu.org/ChangeLog/10.0 with the following: > > amigaone > > Added support for NVRAM and -kernel, -initrd, -append command line > options. By default the NVRAM contents are not preserved between > sessions. To make it persistent create a backing file with 'qemu-image > create -f raw nvram.bin 4k' and add -drive > if=3Dmtd,format=3Draw,file=3Dnvram.bin to keep NVRAM contents in the back= ing > file so settings stored in it will be preserved between sessions. > > To run AmigaOS with BBoot using the -kernel option at least BBoot > version 0.8 is needed. Older BBoot versions only work with -device > loader and cannot be used with -kernel on amigaone. Reviewed-by: Nicholas Piggin > > Regards, > > BALATON Zoltan (5): > ppc/amigaone: Simplify replacement dummy_fw > ppc/amigaone: Implement NVRAM emulation > ppc/amigaone: Add default environment > ppc/amigaone: Add kernel and initrd support > ppc/amigaone: Add #defines for memory map constants > > hw/ppc/amigaone.c | 284 +++++++++++++++++++++++++++++++++++++++++++--- > 1 file changed, 271 insertions(+), 13 deletions(-)