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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id d11-20020a5d6dcb000000b0020e6ce4dabdsm9754335wrz.103.2022.06.27.03.22.56 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jun 2022 03:22:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=WLTfmFsSYbrlNsXm8wT7ZM68yVYl9HPl9JI5ukxP0vI=; b=AQkhiKx3VAIi6Q5sZUKmOMGyiKFmkVEmN+ul8XiVUYS8acLUo9FBPAmbICo4Cr7FSm +DduQiZ2ZeovMzQj+HP425WlVcXlfrnXzOKzVRdrshhGYP7itKfpTxDqcELLdUqdjd05 9WUjhApZqZq5k6u9oLNowgdB1jN4mKn8pgZVZAdMcdOzmiR3VHH83IHoMYdNK1fNM12Q f6vL5NVrYY4rbKxEJ+w/i4zq6jX2NyiklHk0dOQkoijia2uwtahJ3F9dCV1i0himK3av 4tQAytDRgkiexQnGUVYWAXWRW2e/im3t1OV7Q8HAv9I+KOviNvs99b9vlP4u8MpySU2Y lOUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=WLTfmFsSYbrlNsXm8wT7ZM68yVYl9HPl9JI5ukxP0vI=; b=yqsqYznIdq+EBPFH6ue4mJzz+A5qm4YQT6+aDL3eyFcc3WFUSGbZ9zmvXkzgaWVCjc Ox1hBfBKJAk7r1B+D5mZhuagBMxchGAhA6Zo/1mpE8yBC7yLnbM4h3Z6ctG2ZVPbBMCv c7eJaZxwx9ULA+sDbJbzrt5YFupHH7wYHK/3Leopm6x6F2hI5grRWf53LyiciIS93Csv 5c6nOEu7WQevYrv0v/Yv+YWir5CUa7/OuE4bihqtWopjO0kOT+s+Ns43MR4+5dWJbBj9 2s4zxERm0jpolmRDAM3DBz54Q7FtfNxtqpXPX48CnvFfFeJ9XB6vFAwOJ4U5UGRZGjDm 4uzw== X-Gm-Message-State: AJIora8dQrnN+WgTwTCiY+srH6FLqsKmBrVl3OK/PjtpGJlRNKWkp5qx Ok4RnpdkXQbqBWRVlZE63p6WcIS8YyQMPg== X-Google-Smtp-Source: AGRyM1tamNeAJ/MnzKo7Ip6rmrh4hk6OFVsvBC8a6j15rBjZdBAG28AQjjOKbhFOkJ6nG9qYcrm3RQ== X-Received: by 2002:a05:6000:1689:b0:218:3fb1:fd30 with SMTP id y9-20020a056000168900b002183fb1fd30mr11431358wrd.302.1656325376955; Mon, 27 Jun 2022 03:22:56 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 25/25] target/arm: Check V7VE as well as LPAE in arm_pamax Date: Mon, 27 Jun 2022 11:22:36 +0100 Message-Id: <20220627102236.3097629-26-peter.maydell@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220627102236.3097629-1-peter.maydell@linaro.org> References: <20220627102236.3097629-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42a.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=ham 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1656327106027100001 Content-Type: text/plain; charset="utf-8" From: Richard Henderson In machvirt_init we create a cpu but do not fully initialize it. Thus the propagation of V7VE to LPAE has not been done, and we compute the wrong value for some v7 cpus, e.g. cortex-a15. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1078 Signed-off-by: Richard Henderson Reported-by: He Zhe Message-id: 20220619001541.131672-3-richard.henderson@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target/arm/ptw.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 07f7a218611..da478104f05 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -47,7 +47,13 @@ unsigned int arm_pamax(ARMCPU *cpu) assert(parange < ARRAY_SIZE(pamax_map)); return pamax_map[parange]; } - if (arm_feature(&cpu->env, ARM_FEATURE_LPAE)) { + + /* + * In machvirt_init, we call arm_pamax on a cpu that is not fully + * initialized, so we can't rely on the propagation done in realize. + */ + if (arm_feature(&cpu->env, ARM_FEATURE_LPAE) || + arm_feature(&cpu->env, ARM_FEATURE_V7VE)) { /* v7 with LPAE */ return 40; } --=20 2.25.1