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[174.21.142.130]) by smtp.gmail.com with ESMTPSA id d9-20020a056a00198900b00508379f2121sm14054378pfl.52.2022.04.18.16.33.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Apr 2022 16:33:56 -0700 (PDT) Message-ID: <09d9c016-fb7d-2728-32b5-3578374cdc70@linaro.org> Date: Mon, 18 Apr 2022 16:33:54 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [RFC PATCH v3 1/5] ppc64: Add semihosting support Content-Language: en-US To: Leandro Lupori , qemu-devel@nongnu.org, qemu-ppc@nongnu.org References: <20220418191100.270334-1-leandro.lupori@eldorado.org.br> <20220418191100.270334-2-leandro.lupori@eldorado.org.br> From: Richard Henderson In-Reply-To: <20220418191100.270334-2-leandro.lupori@eldorado.org.br> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102c; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102c.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, NICE_REPLY_A=-0.001, 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: , Cc: danielhb413@gmail.com, groug@kaod.org, clg@kaod.org, pbonzini@redhat.com, alex.bennee@linaro.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 4/18/22 12:10, Leandro Lupori wrote: > Add semihosting support for PPC64. This implementation is > based on the standard for ARM semihosting version 2.0, as > implemented by QEMU and documented in > > https://github.com/ARM-software/abi-aa/releases > > The PPC64 specific differences are the following: > > Semihosting Trap Instruction: sc 7 > Operation Number Register: r3 > Parameter Register: r4 > Return Register: r3 > Data block field size: 64 bits > > Signed-off-by: Leandro Lupori > --- > configs/devices/ppc64-softmmu/default.mak | 3 +++ > qemu-options.hx | 18 ++++++++----- > semihosting/arm-compat-semi.c | 33 +++++++++++++++++++++++ > target/ppc/cpu.h | 3 ++- > target/ppc/excp_helper.c | 9 +++++++ > target/ppc/translate.c | 14 ++++++++++ > 6 files changed, 72 insertions(+), 8 deletions(-) Modulo whatever sc number yall settle on, Reviewed-by: Richard Henderson r~