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Fri, 01 Aug 2025 13:22:36 -0700 (PDT) Received: from [192.168.1.87] ([38.41.223.211]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-241d1f0f6b2sm50887545ad.54.2025.08.01.13.22.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 01 Aug 2025 13:22:36 -0700 (PDT) Message-ID: Date: Fri, 1 Aug 2025 13:22:35 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 47/82] target/arm: Expand pstate to 64 bits Content-Language: en-US To: Richard Henderson , qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org References: <20250727080254.83840-1-richard.henderson@linaro.org> <20250727080254.83840-48-richard.henderson@linaro.org> From: Pierrick Bouvier In-Reply-To: <20250727080254.83840-48-richard.henderson@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::52a; envelope-from=pierrick.bouvier@linaro.org; helo=mail-pg1-x52a.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=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org On 7/27/25 1:02 AM, Richard Henderson wrote: > The ARM now defines 36 bits in SPSR_ELx in aarch64 mode, so > it's time to bite the bullet and extend PSTATE to match. > > Most changes are straightforward, adjusting printf formats, > changing local variable types. More complex is migration, > where to maintain backward compatibility a new pstate64 > record is introduced, and only when one of the extensions > that sets bits 32-35 are active. > > The fate of gdbstub is left undecided for the moment. > > Signed-off-by: Richard Henderson > --- > target/arm/cpu.h | 8 +++--- > target/arm/tcg/translate.h | 20 ++++++------- > target/arm/cpu.c | 6 ++-- > target/arm/gdbstub64.c | 1 + > target/arm/helper.c | 11 ++++---- > target/arm/machine.c | 56 +++++++++++++++++++++++++++++++++++++ > target/arm/tcg/helper-a64.c | 2 +- > 7 files changed, 81 insertions(+), 23 deletions(-) Reviewed-by: Pierrick Bouvier