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[50.113.46.110]) by smtp.gmail.com with ESMTPSA id f8sm533815pfv.100.2022.02.23.14.31.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Feb 2022 14:31:59 -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=Uavi3yQmU7TEij7jJpcySVBC3+TVvlm3sHX3b1s1W6c=; b=E4feHmkw/CmFwD/8fElw2/hS3oCNmfdUHVZDn3IWXTB7dIjgwUZi0XJAmOQNRegIrz 28lSFtVcpbFJhChctH0KvNC6hhURRAY5Y+axEGoOwMJNodSBAsf25ZxjXk81nUgVgeGy vB8IvZTfWPkecl0hniL82TztDa6Uhpn1wtVqm8sRb5PVVGnJfDP70d0ewDYpgY0Oalaz EDD2JnlE3+OOfSXF5Wsoea459gs7XrxGteBsSFR+WrrcOx5Pcovx23uz3tAFri6Z8I05 k5kUIvFx7L9vInfJi69uv8Wg1ZdFiqH/jy6zrk3Ht9qmwQkxv2V8nIQ760oIyzeUyDDv Vr0A== 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=Uavi3yQmU7TEij7jJpcySVBC3+TVvlm3sHX3b1s1W6c=; b=ITX5ud7LzKTbrRHC/3bXvhfCyXf3atnL/QzA3lEPD2yUmPlyLo3BFFazsiT4axZdJ+ iRNEVuIXxBtbk6FvQlc0E+SpSbgnXF0GyxJhVoJxrP57MB8RI/sN2346WFu2AF4m0pMg LGwfjpXU1LNvK5sSy4JuIcMdicLIw5cdyVTHgsJhfT/f/Cx3FiRpzkjSL+ExHQiXhSFH 2E3n7ONnPVFQBEKfzaanjpnee6gjawIFyrMPbXmTe5zIBx6x1nJ1cjMuigHdzSMb19bP RQDlWj0e63eJOaHZwau6m7RvejRgFaaru/vE/XBK1ZrCuRq98u14xds486KLKpzeQsI9 toPQ== X-Gm-Message-State: AOAM531waA4L92CuXj6OnWyviyBVtVJ+OA/JoKHx7sllRXzEO9mx23CL uLMLtPF+1nRd/Zj2SQ9X31AYKbeq9AwM5g== X-Google-Smtp-Source: ABdhPJxb4tQh/Aqc00UJdkf3ZPWL5HdNfaPw1YifBNDGI05bexFevqqPyY+XrbGa6GviaQhGQvIuog== X-Received: by 2002:a17:90b:d91:b0:1bc:ade1:54e3 with SMTP id bg17-20020a17090b0d9100b001bcade154e3mr3020272pjb.8.1645655520073; Wed, 23 Feb 2022 14:32:00 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 12/17] target/arm: Introduce tlbi_aa64_get_range Date: Wed, 23 Feb 2022 12:31:32 -1000 Message-Id: <20220223223137.114264-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220223223137.114264-1-richard.henderson@linaro.org> References: <20220223223137.114264-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::1036 (failed) 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::1036; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1036.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: peter.maydell@linaro.org, qemu-arm@nongnu.org, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1645656512612100001 Content-Type: text/plain; charset="utf-8" Merge tlbi_aa64_range_get_length and tlbi_aa64_range_get_base, returning a structure containing both results. Pass in the ARMMMUIdx, rather than the digested two_ranges boolean. This is in preparation for FEAT_LPA2, where the interpretation of 'value' depends on the effective value of DS for the regime. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/helper.c | 58 +++++++++++++++++++-------------------------- 1 file changed, 24 insertions(+), 34 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index 950f56599e..31c2a716f2 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -4511,70 +4511,60 @@ static void tlbi_aa64_vae3is_write(CPUARMState *env= , const ARMCPRegInfo *ri, } =20 #ifdef TARGET_AARCH64 -static uint64_t tlbi_aa64_range_get_length(CPUARMState *env, - uint64_t value) -{ - unsigned int page_shift; - unsigned int page_size_granule; - uint64_t num; - uint64_t scale; - uint64_t exponent; +typedef struct { + uint64_t base; uint64_t length; +} TLBIRange; + +static TLBIRange tlbi_aa64_get_range(CPUARMState *env, ARMMMUIdx mmuidx, + uint64_t value) +{ + unsigned int page_size_granule, page_shift, num, scale, exponent; + TLBIRange ret =3D { }; =20 - num =3D extract64(value, 39, 5); - scale =3D extract64(value, 44, 2); page_size_granule =3D extract64(value, 46, 2); =20 if (page_size_granule =3D=3D 0) { qemu_log_mask(LOG_GUEST_ERROR, "Invalid page size granule %d\n", page_size_granule); - return 0; + return ret; } =20 page_shift =3D (page_size_granule - 1) * 2 + 12; - + num =3D extract64(value, 39, 5); + scale =3D extract64(value, 44, 2); exponent =3D (5 * scale) + 1; - length =3D (num + 1) << (exponent + page_shift); =20 - return length; -} + ret.length =3D (num + 1) << (exponent + page_shift); =20 -static uint64_t tlbi_aa64_range_get_base(CPUARMState *env, uint64_t value, - bool two_ranges) -{ - /* TODO: ARMv8.7 FEAT_LPA2 */ - uint64_t pageaddr; - - if (two_ranges) { - pageaddr =3D sextract64(value, 0, 37) << TARGET_PAGE_BITS; + if (regime_has_2_ranges(mmuidx)) { + ret.base =3D sextract64(value, 0, 37) << TARGET_PAGE_BITS; } else { - pageaddr =3D extract64(value, 0, 37) << TARGET_PAGE_BITS; + ret.base =3D extract64(value, 0, 37) << TARGET_PAGE_BITS; } =20 - return pageaddr; + return ret; } =20 static void do_rvae_write(CPUARMState *env, uint64_t value, int idxmap, bool synced) { ARMMMUIdx one_idx =3D ARM_MMU_IDX_A | ctz32(idxmap); - bool two_ranges =3D regime_has_2_ranges(one_idx); - uint64_t baseaddr, length; + TLBIRange range; int bits; =20 - baseaddr =3D tlbi_aa64_range_get_base(env, value, two_ranges); - length =3D tlbi_aa64_range_get_length(env, value); - bits =3D tlbbits_for_regime(env, one_idx, baseaddr); + range =3D tlbi_aa64_get_range(env, one_idx, value); + bits =3D tlbbits_for_regime(env, one_idx, range.base); =20 if (synced) { tlb_flush_range_by_mmuidx_all_cpus_synced(env_cpu(env), - baseaddr, - length, + range.base, + range.length, idxmap, bits); } else { - tlb_flush_range_by_mmuidx(env_cpu(env), baseaddr, - length, idxmap, bits); + tlb_flush_range_by_mmuidx(env_cpu(env), range.base, + range.length, idxmap, bits); } } =20 --=20 2.25.1