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[71.212.47.143]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73e259134a9sm3297699b3a.24.2025.04.25.08.33.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 25 Apr 2025 08:33:46 -0700 (PDT) Message-ID: <49fafb18-2186-4d19-867b-bc26c1c43572@linaro.org> Date: Fri, 25 Apr 2025 08:33:45 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] hw/loongarch/virt: Get physical entry address with elf file To: Bibo Mao , =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , Song Gao Cc: qemu-devel@nongnu.org References: <20250425021620.3968737-1-maobibo@loongson.cn> Content-Language: en-US From: Richard Henderson In-Reply-To: <20250425021620.3968737-1-maobibo@loongson.cn> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::42b; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42b.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 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 4/24/25 19:16, Bibo Mao wrote: > With load_elf() api, image load low address and high address is converted > to physical address if parameter translate_fn is provided. However > executing entry address is still virtual address. Here convert entry > address into physical address, since MMU is disabled when system power on, > the first PC instruction should be physical address. > > Signed-off-by: Bibo Mao > --- > v1 ... v2: > 1. Only modify LoongArch specified rather than load_elf() API, since > there is be potential influence with other architectures. > --- > hw/loongarch/boot.c | 1 + > 1 file changed, 1 insertion(+) Reviewed-by: Richard Henderson Although perhaps we should adjust the API because all users have to do exactly this, and it's easy to miss. r~