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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id y207sm587123wmc.17.2020.10.01.09.01.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 09:01:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=KAzkYKKavvSQCbtYv8JWrT8eSXOG4QFZI4u6wSWQ8vA=; b=tdkSmxE/9EiRElzDrY2wQBZnB3pVSNUXe5ynTRBOkvAJj+0svkXHH2m3GkUCd3Ho7Z tpNXxCcSZu0MOxFdGC891pkbz/48CSjrdeYBvi5ZouQBc7LB37kF/OuKryoKfkjj05bs Vd8o17yYjijMoXfKwwTGboB58GJj9v8bLSYUh5P8SuP8uJCS+r4+7RHYNuK4JJFty6s+ OrhKTMnis42frzYtG4IRImmUs8VzSCpT+0ELbrxr2MxmqyxWZKJCsxBBwZe6sdkrqlHF u9UfjzkCNaeQridLKDJdEMxqdbVM2mLCoN5G3JizhSbCy6RpgeQIK9xNbdJ9cz17H7Sc DJ2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=KAzkYKKavvSQCbtYv8JWrT8eSXOG4QFZI4u6wSWQ8vA=; b=o417lXAEorMwxbPfXTj1/vnBLrD1pfnER5m3O81L8yjgGmjc9tD5wqlfWAHoDpGqdi nFhaRULLUx24v1snUy24nDd3ng4DySkOIfibmMHpd42xpJWRQF5t2vo5R0YwbAEjz+uO 6bf+GwoE7G0pvLOqFxNcZLsvx56sRxDeCZBDDTrXHO8O/S7Zu1DrLc7E5gYm0z0+cokY T35mywmxO0CvztJ6lwQjlVbhwKqt+uZE9KnLgo/f0XYOyQgHIsXrzw8La7lVcMW21Z+O sEbedVNQzvRHANJhrmcQsUGPgqQjfLoW5sPCxMHGEyJYSfMHAkE6TFrTzkDzvfEgfaB8 MX4w== X-Gm-Message-State: AOAM531elP4Zc6fNlHiMctFQs3/QNIZMhEJOgJ/rM0qg+1TIo5Exl3+U tV9GvwYynTuAeVXWMCrQI6fXXQ== X-Google-Smtp-Source: ABdhPJy1MSPrl3CUXTtT61ibV/mY04MftSuHWAxNVyk4/H4X+s9gZgvHfn5gZFTr1+LP4x07IhqW2w== X-Received: by 2002:a7b:cb07:: with SMTP id u7mr673347wmj.57.1601568079212; Thu, 01 Oct 2020 09:01:19 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH] target/arm: Make '-cpu max' have a 48-bit PA Date: Thu, 1 Oct 2020 17:01:16 +0100 Message-Id: <20201001160116.18095-1-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 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::343; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x343.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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 autolearn=ham autolearn_force=no X-Spam_action: no action 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: , 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" QEMU supports a 48-bit physical address range, but we don't currently expose it in the '-cpu max' ID registers (you get the same range as Cortex-A57, which is 44 bits). Set the ID_AA64MMFR0.PARange field to indicate 48 bits. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- I forget why I wanted this patch originally, it's been so long since I wrote it, but it seems like a useful thing to allow -cpu max to have a big PA range... --- target/arm/cpu64.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 3c2b3d95993..3ba7f1675cc 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -653,6 +653,10 @@ static void aarch64_max_initfn(Object *obj) t =3D FIELD_DP64(t, ID_AA64PFR1, MTE, 2); cpu->isar.id_aa64pfr1 =3D t; =20 + t =3D cpu->isar.id_aa64mmfr0; + t =3D FIELD_DP64(t, ID_AA64MMFR0, PARANGE, 5); /* PARange: 48 bits= */ + cpu->isar.id_aa64mmfr0 =3D t; + t =3D cpu->isar.id_aa64mmfr1; t =3D FIELD_DP64(t, ID_AA64MMFR1, HPDS, 1); /* HPD */ t =3D FIELD_DP64(t, ID_AA64MMFR1, LO, 1); --=20 2.20.1