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[97.126.123.70]) by smtp.gmail.com with ESMTPSA id s18sm99510pjp.24.2020.03.02.09.58.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Mar 2020 09:58:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=SmyuQTNOfGklwQG6G7fcasvxH7i/TWvMZQATgc7JYwI=; b=E5zlf7qRFUNGm3M6JUSO6MuqSa1+o82//RPtACzUuRGMfuZRUdAgDjWO6A7Yj/M5Fy aDA7br2lBM9O2I5cOS8eK93fwtjc7WAaSMIzhMqsjXo3rTcWRpC7EMpx9hGXR6jIcJV6 H0FSDPHAJKVhYMb2djE9OrxuEVWiOPrxCELpxJSW+JV95dRPE4T2TfZNvzEoPUB/eCOB 4RzwzreuFzaoraSP+7NLi4eSFrZEhX1/0EfKX61v5mKLg4qw6xkeXigX8NRq3V0kKGTN mV6D76TKRPxShHToU9d5rjyi8mEwwyFImSfVvAnzBZJv39HPtKRUnwleNzWZYJB6iFvN AUeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=SmyuQTNOfGklwQG6G7fcasvxH7i/TWvMZQATgc7JYwI=; b=IfGzUQvY6EQoTYHNWQxqBZMS0QzRj/DTNXAOxBZs+PZZyGoeBSBtqqI7M8sDnFAJUB z4h9OdX7y3RZU+5MAmSCdb2VWGexDp+8fndP7NnU8DEdmNgS296hMA4MSTU5lyHN4T6M V4FZwPr/K5CcW84wIC5TQnIwNJLfQ1U6pnQv2CgW6R7miIygyOG+f7laxfnrI6xQ06ER pNfGRwLRAquZVKipqh2q5K1JHU39nrBbxcQRX/9TugfeE7Hpw7mvz1WbESrL72QULeVI 0y8g4JzF6acPIMPW5BObpjBrClYaTHJofXiX4O30eQ1r42izFhF+b6/S1QnZN3qaAxxQ 1IBQ== X-Gm-Message-State: ANhLgQ0j8idw2aqddX/QSxcbL9Fw8r9dd9WdqS/M1DHFgYsRqCLR0nsb VFidcrb/VmfkDA/QHLIelCGgEwGyiMo= X-Google-Smtp-Source: ADFU+vscfNivff/dxL6t9Y8wVfS1/QblkawbdW+R1cJTDiFOZuQFNLsj1eEWAnYbjiNxNvseeo6zIQ== X-Received: by 2002:a17:90a:6545:: with SMTP id f5mr130697pjs.42.1583171912913; Mon, 02 Mar 2020 09:58:32 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 1/9] target/arm: Replicate TBI/TBID bits for single range regimes Date: Mon, 2 Mar 2020 09:58:21 -0800 Message-Id: <20200302175829.2183-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200302175829.2183-1-richard.henderson@linaro.org> References: <20200302175829.2183-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::1044 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Replicate the single TBI bit from TCR_EL2 and TCR_EL3 so that we can unconditionally use pointer bit 55 to index into our composite TBI1:TBI0 field. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/arm/helper.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index 6be9ffa09e..37ffe06c05 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -10316,7 +10316,8 @@ static int aa64_va_parameter_tbi(uint64_t tcr, ARMM= MUIdx mmu_idx) } else if (mmu_idx =3D=3D ARMMMUIdx_Stage2) { return 0; /* VTCR_EL2 */ } else { - return extract32(tcr, 20, 1); + /* Replicate the single TBI bit so we always have 2 bits. */ + return extract32(tcr, 20, 1) * 3; } } =20 @@ -10327,7 +10328,8 @@ static int aa64_va_parameter_tbid(uint64_t tcr, ARM= MMUIdx mmu_idx) } else if (mmu_idx =3D=3D ARMMMUIdx_Stage2) { return 0; /* VTCR_EL2 */ } else { - return extract32(tcr, 29, 1); + /* Replicate the single TBID bit so we always have 2 bits. */ + return extract32(tcr, 29, 1) * 3; } } =20 --=20 2.20.1