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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id u2-20020adfeb42000000b0033b483d1abcsm5158934wrn.53.2024.03.01.10.32.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Mar 2024 10:32:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1709317942; x=1709922742; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ug89tsgOuUzq4MSu20MZm19VI4nBxO1N6UPUttck1FU=; b=BQWWLHIHzvh68hMEDDX9/mbZCmafIcS0q6ZDaWOYJZrtDJnClNV3cTuBP1z+6ZXS2B ydjMIdWq1pC/uqu9HrHE5jifA6J9aJ7lfm1fwaFObezQOwDJ0lgxYj0fqI4oHrwEC3Zl zJD7dleaH8snaQ4xkWL1bI/QuXJkqugPxLrS3IypMMMLgI9melY4UHWQn+WjmT4cfvc9 VqRKiXa7AtFVsYMn/x28URTDIuLphXKjxORBOAtu77Onc2FAqagUye7hbEdOLwO6WFSg kEHue9AKseQzSo7z3xogZznI3pGCHmGHaTFv/6Axqytlpa1OoD+UJBXAmkrTxqkFg1g5 jKkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709317942; x=1709922742; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ug89tsgOuUzq4MSu20MZm19VI4nBxO1N6UPUttck1FU=; b=XFjLYXgMJsg9OWwlXr2gdtdrcHSFZLr2cIoo16C8ZrpDg26Vz9ziR3b+ejz81JzVDp 1u6d7l/IhN7Cbsi4Mal2HpUYLoaS1Oay4e6ya+VLlj44oux9ERKETi/ekg692LHlw3vm yAfGgfbHcOUn9okEstpCk5nONHTVC01pfC+pL/G7SD6Cwt+E5NB72sRo92AjrNK20A3S /R2ku0IUrGtLC5rMz5oovMQgjqeWGX8c96gBK/yRiXmBgbMwmuhYmAoLsp56vz62Xlb6 b18VsaDS5NCAHQd/A6I1jsdyrpcYo4T9/1WQakM/cNY/mgfmy1LfEjOh/qKvo3bX9E4G i/QA== X-Forwarded-Encrypted: i=1; AJvYcCV69bG6YxxHKU6yMv66JVhoJotnMRISOn0sta+061wD8WupmoK65ZfOIGbwTW4jPEVkV6QVpicJ6PrVcez5K+7CyV12PRs= X-Gm-Message-State: AOJu0YxfXX6JxExsZluBp25KHfysZ7CMuPIEvTwE1VhQc+/+HOAeo+w9 gZ8u0ervpNsK7xYKPllxlJEH1ln5aGsSyqolZQWytWJOmRgwMa9K82rjJuGKWcg= X-Google-Smtp-Source: AGHT+IGSxIVHkn5oIZjsAY1kslwbRl5malwilqxnbBQ/2xTGZdMT4X8W280rHhHqp3cmm07IK9o/Fg== X-Received: by 2002:adf:ec90:0:b0:33d:746b:f365 with SMTP id z16-20020adfec90000000b0033d746bf365mr1762332wrn.52.1709317942051; Fri, 01 Mar 2024 10:32:22 -0800 (PST) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Jean-Philippe Brucker Subject: [PATCH 2/8] target/arm: Timer _EL02 registers UNDEF for E2H == 0 Date: Fri, 1 Mar 2024 18:32:13 +0000 Message-Id: <20240301183219.2424889-3-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240301183219.2424889-1-peter.maydell@linaro.org> References: <20240301183219.2424889-1-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=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1709318071860100001 Content-Type: text/plain; charset="utf-8" The timer _EL02 registers should UNDEF for invalid accesses from EL2 or EL3 when HCR_EL2.E2H =3D=3D 0, not take a cp access trap. We were delivering the exception to EL2 with the wrong syndrome. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index 90c4fb72ce4..978df6f2823 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6551,7 +6551,7 @@ static CPAccessResult e2h_access(CPUARMState *env, co= nst ARMCPRegInfo *ri, return CP_ACCESS_OK; } if (!(arm_hcr_el2_eff(env) & HCR_E2H)) { - return CP_ACCESS_TRAP; + return CP_ACCESS_TRAP_UNCATEGORIZED; } return CP_ACCESS_OK; } --=20 2.34.1