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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id t16-20020a5d49d0000000b003143bb5ecd5sm11214025wrs.69.2023.07.14.08.46.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Jul 2023 08:46:57 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 13/14] target/arm/ptw: Report stage 2 fault level for stage 2 faults on stage 1 ptw Date: Fri, 14 Jul 2023 16:46:47 +0100 Message-Id: <20230714154648.327466-14-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230714154648.327466-1-peter.maydell@linaro.org> References: <20230714154648.327466-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42d; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42d.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org When we report faults due to stage 2 faults during a stage 1 page table walk, the 'level' parameter should be the level of the walk in stage 2 that faulted, not the level of the walk in stage 1. Correct the reporting of these faults. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/ptw.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index ed46bb82a75..d1de934702d 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -2046,9 +2046,13 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, do_translation_fault: fi->type = ARMFault_Translation; do_fault: - fi->level = level; - /* Tag the error as S2 for failed S1 PTW at S2 or ordinary S2. */ - fi->stage2 = fi->s1ptw || regime_is_stage2(mmu_idx); + if (fi->s1ptw) { + /* Retain the existing stage 2 fi->level */ + assert(fi->stage2); + } else { + fi->level = level; + fi->stage2 = regime_is_stage2(mmu_idx); + } fi->s1ns = fault_s1ns(ptw->in_space, mmu_idx); return true; }