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[174.21.142.130]) by smtp.gmail.com with ESMTPSA id z2-20020aa79902000000b004f75842c97csm7837895pff.209.2022.03.17.09.47.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Mar 2022 09:47:13 -0700 (PDT) Message-ID: <6c013a91-64e2-b213-6014-3337f09b72a9@linaro.org> Date: Thu, 17 Mar 2022 09:47:12 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH for-7.1 v6 23/51] target/nios2: Handle EXCP_UNALIGN and EXCP_UALIGND Content-Language: en-US To: Peter Maydell References: <20220317050538.924111-1-richard.henderson@linaro.org> <20220317050538.924111-24-richard.henderson@linaro.org> From: Richard Henderson In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::1032 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::1032; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1032.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: marex@denx.de, amir.gonnen@neuroblade.ai, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 3/17/22 08:27, Peter Maydell wrote: > On Thu, 17 Mar 2022 at 05:16, Richard Henderson > wrote: >> >> These misaligned data and misaligned destination exceptions >> are defined, but not currently raised. > > nios2_cpu_do_unaligned_access() seems to already raise EXCP_UNALIGN. However, we failed to set TARGET_ALIGNED_ONLY=y in configs, and we don't set MO_ALIGN, so it never gets called. r~