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[76.14.210.194]) by smtp.gmail.com with ESMTPSA id e2sm16524333pgd.27.2020.11.03.12.14.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Nov 2020 12:14:51 -0800 (PST) Subject: Re: [PATCH 13/14] target/arm: add ARMv8.4-SEL2 extension To: remi.denis.courmont@huawei.com, qemu-arm@nongnu.org References: <2172054.ElGaqSPkdT@basile.remlab.net> <20201102105802.39332-13-remi.denis.courmont@huawei.com> From: Richard Henderson Message-ID: <88fad1a2-00a6-0a4d-1012-91ecfb45f4e4@linaro.org> Date: Tue, 3 Nov 2020 12:14:48 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201102105802.39332-13-remi.denis.courmont@huawei.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::642; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x642.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 11/2/20 2:58 AM, remi.denis.courmont@huawei.com wrote: > From: Rémi Denis-Courmont > > This adds handling for the SCR_EL3.EEL2 bit. > > A translation block flag is added in A32 mode to route exceptions > correctly from AArch32 S-EL1 to (AArch64) S-EL2. > > Signed-off-by: Rémi Denis-Courmont > --- > target/arm/cpu.c | 2 +- > target/arm/cpu.h | 11 ++++++++--- > target/arm/helper.c | 19 +++++++++++++++++-- > target/arm/translate.c | 6 ++++-- > target/arm/translate.h | 1 + > 5 files changed, 31 insertions(+), 8 deletions(-) Annoying that a new hflags bit is required, but I don't see a good way around that. Reviewed-by: Richard Henderson r~