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([2602:ae:1547:e101:3cf2:c634:5b19:25f6]) by smtp.gmail.com with ESMTPSA id s22-20020a17090aba1600b001d9780b7779sm4227856pjr.15.2022.06.07.13.33.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jun 2022 13:33:32 -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=u3mG8wDmfQDUdFmC25VMT57BuuE4O0ooDRoJ9UT54UY=; b=CTYYilsQNzBZqcdO4ar0ypDz5XZ1HXOYderHcVkiFB0jXBbSWFi4bUoAo7VXRitVVv 61nFUoZ8nqPyekHUfDHZB/F37jEcQ/zP4GChaB7g9iTZRopCIX9Vnr0NzIYi7D6uk/ct K1+DSehphgD8MB5S0GefEEKa80oi9qRPlQpLaj2isJ6j761YqiHZTl9miOAE30yYjzEb zVKwJNeVPj0Z0DfVcE19QIJufcnKlOwljCL/45jjjHiAH3ZEZl9/I3QUwpsoCgZfMJgR oTnYZ2ievOWB2FNlx6ic0dttj32ApYl41HyK0uedVJnJbBIOEkCMEXhGRXVE0x3vaBx+ YObg== 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=u3mG8wDmfQDUdFmC25VMT57BuuE4O0ooDRoJ9UT54UY=; b=d6u6anyqWDwz7QdOVpZgi1yVQW1HhQvb77XujKBFYoRzCL1PprK8FCSzsGjl7K2hxz PvAKMx+bXOtBsbk6XZDMOVy3qcwKXs4TpMshW35JLijZFFUHxRcC7I1SCeAhG/Igjysr oNFhs+GAcbxv8gbBcTHaPgu7nHjulN3G2TydViEGqk0b7lChgfJRJ1geLUYL/nMS2z1O nvy7FkiRfnwkObHkX173/WTfKzBvytN4LTte7yTABAaVctBkrlhy580tAIIQNDoQwIM4 zyb5104Jpby20nCIYVLxd92WBrH+yXtRIelTgjBPnedML50NS3NrJr0u5NXgOcIKfZU1 pspQ== X-Gm-Message-State: AOAM533EvpGXcOdtrH09F5cg42oqZYdhG0GntxbgpIdgQl04byzRzxbU zxozJX5cOe30Btp/kfRXWqy2EjaHdi8rhA== X-Google-Smtp-Source: ABdhPJzyQm4ELXqGBa+cQMXkotdEJuG1oQzp9lxBUSoqDNM/OGCoznXI4Xsg3vJrGl2KwQc9ZHaKKQ== X-Received: by 2002:a17:90a:ce07:b0:1e3:50eb:64d with SMTP id f7-20020a17090ace0700b001e350eb064dmr41160732pju.22.1654634012639; Tue, 07 Jun 2022 13:33:32 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org Subject: [PATCH v2 27/71] target/arm: Add SMIDR_EL1, SMPRI_EL1, SMPRIMAP_EL2 Date: Tue, 7 Jun 2022 13:32:22 -0700 Message-Id: <20220607203306.657998-28-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220607203306.657998-1-richard.henderson@linaro.org> References: <20220607203306.657998-1-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::634; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x634.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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1654636172221100001 Content-Type: text/plain; charset="utf-8" Implement the streaming mode identification register, and the two streaming priority registers. For QEMU, they are all RES0. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/helper.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/target/arm/helper.c b/target/arm/helper.c index 46318515a8..e7e94213b1 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6355,6 +6355,18 @@ static CPAccessResult access_tpidr2(CPUARMState *env= , const ARMCPRegInfo *ri, return CP_ACCESS_OK; } =20 +static CPAccessResult access_esm(CPUARMState *env, const ARMCPRegInfo *ri, + bool isread) +{ + /* TODO: FEAT_FGT for SMPRI_EL1 but not SMPRIMAP_EL2 */ + if (arm_current_el(env) < 3 + && arm_feature(env, ARM_FEATURE_EL3) + && !FIELD_EX64(env->cp15.cptr_el[3], CPTR_EL3, ESM)) { + return CP_ACCESS_TRAP_EL3; + } + return CP_ACCESS_OK; +} + static void svcr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { @@ -6412,6 +6424,27 @@ static const ARMCPRegInfo sme_reginfo[] =3D { .access =3D PL3_RW, .type =3D ARM_CP_SME, .fieldoffset =3D offsetof(CPUARMState, vfp.smcr_el[3]), .writefn =3D smcr_write, .raw_writefn =3D raw_write }, + { .name =3D "SMIDR_EL1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 3, .opc1 =3D 1, .crn =3D 0, .crm =3D 0, .opc2 =3D 6, + .access =3D PL1_R, .accessfn =3D access_aa64_tid1, + /* + * IMPLEMENTOR =3D 0 (software) + * REVISION =3D 0 (implementation defined) + * SMPS =3D 0 (no streaming execution priority in QEMU) + * AFFINITY =3D 0 (streaming sve mode not shared with other PEs) + */ + .type =3D ARM_CP_CONST, .resetvalue =3D 0, }, + /* + * Because SMIDR_EL1.SMPS is 0, SMPRI_EL1 and SMPRIMAP_EL2 are RES 0. + */ + { .name =3D "SMPRI_EL1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 3, .opc1 =3D 0, .crn =3D 1, .crm =3D 2, .opc2 =3D 4, + .access =3D PL1_RW, .accessfn =3D access_esm, + .type =3D ARM_CP_CONST, .resetvalue =3D 0 }, + { .name =3D "SMPRIMAP_EL2", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 3, .opc1 =3D 4, .crn =3D 1, .crm =3D 2, .opc2 =3D 5, + .access =3D PL2_RW, .accessfn =3D access_esm, + .type =3D ARM_CP_CONST, .resetvalue =3D 0 }, }; #endif /* TARGET_AARCH64 */ =20 --=20 2.34.1