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[173.197.107.21]) by smtp.gmail.com with ESMTPSA id g2sm4962214pjd.18.2021.01.12.13.04.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Jan 2021 13:04:12 -0800 (PST) Subject: Re: [PATCH 16/19] target/arm: revector to run-time pick target EL To: remi.denis.courmont@huawei.com, qemu-arm@nongnu.org References: <12681824.uLZWGnKmhe@basile.remlab.net> <20210112104511.36576-16-remi.denis.courmont@huawei.com> From: Richard Henderson Message-ID: Date: Tue, 12 Jan 2021 11:04:09 -1000 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: <20210112104511.36576-16-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::631; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x631.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 autolearn=ham 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 1/12/21 12:45 AM, remi.denis.courmont@huawei.com wrote: > From: Rémi Denis-Courmont > > On ARMv8-A, accesses by 32-bit secure EL1 to monitor registers trap to > the upper (64-bit) EL. With Secure EL2 support, we can no longer assume > that that is always EL3, so make room for the value to be computed at > run-time. > > Signed-off-by: Rémi Denis-Courmont > --- > target/arm/translate.c | 23 +++++++++++++++++++++-- > 1 file changed, 21 insertions(+), 2 deletions(-) Reviewed-by: Richard Henderson r~