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[174.21.142.130]) by smtp.gmail.com with ESMTPSA id t69-20020a637848000000b0039831d6dc23sm22073961pgc.94.2022.04.08.17.07.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Apr 2022 17:07:44 -0700 (PDT) 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=VyFhrugTgFt58NiQM9eVPjxsvqh4sz6yt/2EjO+Xbh8=; b=GJNc3Mup4LvHeUDzJC453cGL0e3WGVarNSxaUmYytIMcurPaMuywUPgAjokRJRWCwN DkVnjTT35C4Ig5pE+udj02/sZyeZiEI2zuygx5eAgYk72AevXJ4euY0kqr3Z5402NlIf L9YTluALdqNTdg+Drmyzn5ooCwSSo813B5zkRDsBdACH2Fc26B2J3/l91vtMud+COfj4 wes5iJDrbX/hZQtGnWkQ6rWGSYnwDRAxCSn07aTRpoyPA023Qm0/TNkCjm/w9/DVye+l MtHblACloaKCixzzC0Dk0928VFkJfWWnZGqsN3RPQwG8FIcersInPhXVgccvvicWTXI6 qIXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VyFhrugTgFt58NiQM9eVPjxsvqh4sz6yt/2EjO+Xbh8=; b=IfSKRAcpYdbF7Q9Nvm7E+9JaEPIrcXQljk/muyETtz/ObZ/hpWkHk1b7kb6OuNXvSw OqoR9EvgMMbEbCLDl+O8Ywsx4VdVQAcjjA2yvrpFDJp4E6PK8VYJez5e/mAvQqccMbDy X/wNrloPnqfMGJjW9tktomVWjukscnGtFDBqhdzyCZ5Wj5vtW8Wc1EyYnFEmTawE9Pqg zxEA1b+BjiAwn3sJhRue8yGxxR7VgRpCnQOKtVu26u5HN6E5j7pvpIY6r/1PgrbS6/b8 U6SpsbpSJHhuch0Fe4EgQTWoHDHige/N5dEwtxnfP1IpLwZqo49f5XsMMS/VBj0qjhTE TzAg== X-Gm-Message-State: AOAM53158ASWSrkntINwoaRlgt90JZnsuGJAWTpADZhWNJmdlbA5l7M6 ctT5+bPBbx2atMLPWmGrG2F1hwnRxG6GlA== X-Google-Smtp-Source: ABdhPJwLGX3fFbaZSiaGrxoGrBKCr8S04f7FhKTvB+ag5NKxZPgWu/McuGbv9aG6uGXJ4Fa+Tzw97w== X-Received: by 2002:a17:902:cccf:b0:156:31a:736e with SMTP id z15-20020a170902cccf00b00156031a736emr21718756ple.76.1649462865172; Fri, 08 Apr 2022 17:07:45 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 02/16] target/arm: Adjust definition of CONTEXTIDR_EL2 Date: Fri, 8 Apr 2022 17:07:28 -0700 Message-Id: <20220409000742.293691-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220409000742.293691-1-richard.henderson@linaro.org> References: <20220409000742.293691-1-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::1030; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1030.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: , Cc: qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1649462969991100001 Content-Type: text/plain; charset="utf-8" This register is present for either VHE or Debugv8p2, and is RES0 from EL3 when EL2 is not present. Move the definition out of vhe_reginfo and provide a fallback for missing EL2. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/helper.c | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index 7d14650615..210c139818 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -7443,11 +7443,20 @@ static const ARMCPRegInfo jazelle_regs[] =3D { REGINFO_SENTINEL }; =20 +static const ARMCPRegInfo contextidr_el2 =3D { + .name =3D "CONTEXTIDR_EL2", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 3, .opc1 =3D 4, .crn =3D 13, .crm =3D 0, .opc2 =3D 1, + .access =3D PL2_RW, + .fieldoffset =3D offsetof(CPUARMState, cp15.contextidr_el[2]) +}; + +static const ARMCPRegInfo contextidr_no_el2 =3D { + .name =3D "CONTEXTIDR_EL2", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 3, .opc1 =3D 4, .crn =3D 13, .crm =3D 0, .opc2 =3D 1, + .access =3D PL2_RW, .type =3D ARM_CP_CONST, .resetvalue =3D 0 +}; + static const ARMCPRegInfo vhe_reginfo[] =3D { - { .name =3D "CONTEXTIDR_EL2", .state =3D ARM_CP_STATE_AA64, - .opc0 =3D 3, .opc1 =3D 4, .crn =3D 13, .crm =3D 0, .opc2 =3D 1, - .access =3D PL2_RW, - .fieldoffset =3D offsetof(CPUARMState, cp15.contextidr_el[2]) }, { .name =3D "TTBR1_EL2", .state =3D ARM_CP_STATE_AA64, .opc0 =3D 3, .opc1 =3D 4, .crn =3D 2, .crm =3D 0, .opc2 =3D 1, .access =3D PL2_RW, .writefn =3D vmsa_tcr_ttbr_el2_write, @@ -8443,6 +8452,14 @@ void register_cp_regs_for_features(ARMCPU *cpu) define_one_arm_cp_reg(cpu, &ssbs_reginfo); } =20 + if (cpu_isar_feature(aa64_vh, cpu) || + cpu_isar_feature(aa64_debugv8p2, cpu)) { + if (arm_feature(env, ARM_FEATURE_EL2)) { + define_one_arm_cp_reg(cpu, &contextidr_el2); + } else { + define_one_arm_cp_reg(cpu, &contextidr_no_el2); + } + } if (arm_feature(env, ARM_FEATURE_EL2) && cpu_isar_feature(aa64_vh, cpu= )) { define_arm_cp_regs(cpu, vhe_reginfo); } --=20 2.25.1