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[98.147.55.211]) by smtp.gmail.com with ESMTPSA id d18-20020a056a00199200b006e56c8f572esm3496205pfl.141.2024.03.01.13.08.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 01 Mar 2024 13:08:07 -0800 (PST) Message-ID: <3f093460-91db-482e-8b58-3aa71f6d8e03@linaro.org> Date: Fri, 1 Mar 2024 11:08:04 -1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/8] target/arm: Timer _EL02 registers UNDEF for E2H == 0 Content-Language: en-US To: Peter Maydell , qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Jean-Philippe Brucker References: <20240301183219.2424889-1-peter.maydell@linaro.org> <20240301183219.2424889-3-peter.maydell@linaro.org> From: Richard Henderson In-Reply-To: <20240301183219.2424889-3-peter.maydell@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::432; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x432.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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 3/1/24 08:32, Peter Maydell wrote: > The timer _EL02 registers should UNDEF for invalid accesses from EL2 > or EL3 when HCR_EL2.E2H == 0, not take a cp access trap. We were > delivering the exception to EL2 with the wrong syndrome. > > Signed-off-by: Peter Maydell > --- > target/arm/helper.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Richard Henderson r~