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[173.198.77.218]) by smtp.gmail.com with ESMTPSA id j10-20020a170902690a00b001992e74d058sm2665348plk.7.2023.02.20.15.27.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Feb 2023 15:27:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=/Ut/aS2oezKic9UZ9DAK+e9x8VNxmPUkA0viJdZ3AGc=; b=GhqdHjbrt2izcd84632/7HzZ/sVbJWMYyIOeUcjyL8xy8c7HZzFlH8ta323uZjYDZo gXvumDAmYks8aeypQrvrHTFIYKYUOzqmE+VJZd0fk20foX5qK9n6ShZJijB7I1fGXVAM a4QV/bX+kRZi0Ak5Dj1kNuPieD74OSiHjFFZwRcxGhKfVS7f8jPRDdZfuEMvSNp6c89R ymkHyyPngC3JM2yBJyRHI21tFx5e063YklRuGWxdfBi44/PiN3gTIlUUqn06QmISh8RM Ff1eaPESw+r+VyUAfkZ72aNc3cNSr2yW8iQjdMgY+1VuT5VceREwR2scRyQ7qJWWHixg r/eA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=/Ut/aS2oezKic9UZ9DAK+e9x8VNxmPUkA0viJdZ3AGc=; b=lP5JDXv241aA8yJhCPRlgojp7013x9K6XROOZZmF56q0DtQzm/sIAg/j9rRglwDgdO 6o0QTjsAAx90v0nBy+oc+vbUwLg4QPZHaof2nWyU5YjEt5NCk+xUPnXUC5Vj3moi8QgA s14NDKQIasJITlqcTv8sUTAd+0Oy8H7yqOdgCwXR5VX9DXprp+MCVCbIMfHdJMX1C+Sn yxl91mrf7sU5mLDKgTnzSWvqyr5Q7Un3aejEGzIQtThjOxKrpE4NipQ6DE9SSJfR4Osw YY4wvCa+RI/kkn0mvKcbDnxxUvI5OJin2VDv8cgELHPvaYegCl2j9xznjYVZmmj/INhx G19Q== X-Gm-Message-State: AO0yUKVmJTShHAlekYO7fl93n7u+h80iBVnBEz2X3lFXE4Cs4tfBaJlP pZspWGZ/tYROfbJ4+6RlDhYEPuvR50DPiWAMWt6T3w== X-Google-Smtp-Source: AK7set8l/I3OllVgHzv/KfcGMwJjZYwt2LTqa2qG2doE3pDiOHQvGYfKYouP1mirI5Vb1Mr3AIVhmQ== X-Received: by 2002:a17:902:ea07:b0:199:33ff:918a with SMTP id s7-20020a170902ea0700b0019933ff918amr4216964plg.21.1676935621746; Mon, 20 Feb 2023 15:27:01 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [NOTFORMERGE PATCH v2 20/21] target/arm: Enable RME for -cpu max Date: Mon, 20 Feb 2023 13:26:25 -1000 Message-Id: <20230220232626.429947-21-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230220232626.429947-1-richard.henderson@linaro.org> References: <20230220232626.429947-1-richard.henderson@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=2607:f8b0:4864:20::1044; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1044.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 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: 1676935786282100005 Content-Type: text/plain; charset="utf-8" Add a cpu property to set GPCCR_EL3.L0GPTSZ, for testing various possible configurations. Signed-off-by: Richard Henderson --- target/arm/cpu64.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 4066950da1..70c173ee3d 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -672,6 +672,40 @@ void arm_cpu_lpa2_finalize(ARMCPU *cpu, Error **errp) cpu->isar.id_aa64mmfr0 =3D t; } =20 +static void cpu_max_set_l0gptsz(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + ARMCPU *cpu =3D ARM_CPU(obj); + uint32_t value; + + if (!visit_type_uint32(v, name, &value, errp)) { + return; + } + + /* Encode the value for the GPCCR_EL3 field. */ + switch (value) { + case 30: + case 34: + case 36: + case 39: + cpu->reset_l0gptsz =3D value - 30; + break; + default: + error_setg(errp, "invalid value for l0gptsz"); + error_append_hint(errp, "valid values are 30, 34, 36, 39\n"); + break; + } +} + +static void cpu_max_get_l0gptsz(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + ARMCPU *cpu =3D ARM_CPU(obj); + uint32_t value =3D cpu->reset_l0gptsz + 30; + + visit_type_uint32(v, name, &value, errp); +} + static void aarch64_a57_initfn(Object *obj) { ARMCPU *cpu =3D ARM_CPU(obj); @@ -1200,6 +1234,7 @@ static void aarch64_max_initfn(Object *obj) t =3D FIELD_DP64(t, ID_AA64PFR0, SVE, 1); t =3D FIELD_DP64(t, ID_AA64PFR0, SEL2, 1); /* FEAT_SEL2 */ t =3D FIELD_DP64(t, ID_AA64PFR0, DIT, 1); /* FEAT_DIT */ + t =3D FIELD_DP64(t, ID_AA64PFR0, RME, 1); /* FEAT_RME */ t =3D FIELD_DP64(t, ID_AA64PFR0, CSV2, 2); /* FEAT_CSV2_2 */ t =3D FIELD_DP64(t, ID_AA64PFR0, CSV3, 1); /* FEAT_CSV3 */ cpu->isar.id_aa64pfr0 =3D t; @@ -1301,6 +1336,8 @@ static void aarch64_max_initfn(Object *obj) object_property_add(obj, "sve-max-vq", "uint32", cpu_max_get_sve_max_v= q, cpu_max_set_sve_max_vq, NULL, NULL); qdev_property_add_static(DEVICE(obj), &arm_cpu_lpa2_property); + object_property_add(obj, "l0gptsz", "uint32", cpu_max_get_l0gptsz, + cpu_max_set_l0gptsz, NULL, NULL); } =20 static const ARMCPUInfo aarch64_cpus[] =3D { --=20 2.34.1