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([2607:fb90:c9e1:9829:9eed:533c:6788:9f4a]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21da3ea396asm19213035ad.91.2025.01.24.09.49.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Jan 2025 09:49:23 -0800 (PST) Message-ID: Date: Fri, 24 Jan 2025 09:49:21 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] hw/hppa: Fix booting Linux kernel with initrd To: deller@kernel.org, qemu-devel@nongnu.org Cc: Helge Deller References: <20250122180913.18667-1-deller@kernel.org> <20250122180913.18667-3-deller@kernel.org> Content-Language: en-US From: Richard Henderson In-Reply-To: <20250122180913.18667-3-deller@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62a; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62a.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=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 1/22/25 10:09, deller@kernel.org wrote: > From: Helge Deller > > Commit 20f7b890173b ("hw/hppa: Reset vCPUs calling resettable_reset()") > broke booting the Linux kernel with initrd which may have been provided > on the command line. The problem is, that the mentioned commit zeroes > out initial registers which were preset with addresses for the Linux > kernel and initrd. > > Fix it by adding proper variables which are set shortly before starting > the firmware. > > Signed-off-by: Helge Deller > Fixes: 20f7b890173b ("hw/hppa: Reset vCPUs calling resettable_reset()") > Cc: Philippe Mathieu-Daudé > --- > hw/hppa/machine.c | 48 +++++++++++++++++++---------------------------- > target/hppa/cpu.h | 4 ++++ > 2 files changed, 23 insertions(+), 29 deletions(-) Reviewed-by: Richard Henderson r~