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[97.126.117.207]) by smtp.gmail.com with ESMTPSA id i6sm32724751pgi.40.2019.07.19.14.03.46 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 19 Jul 2019 14:03:46 -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; bh=dViyLUNG7AAQOa1/IU+ce+AJwf2YlyFeUgtyBFqzMXo=; b=tZlNqo9Wh5GbgSTtX3MhgnQUnuZagd6ixMAVmzu6ycjbnFLPjDNGDQhI5+J8on08il CrIq2i/k5ALR8ar1cCrP1yw8yKHKCrr+xEGIs/HOMlUFAgD+yu26TkSCL7IN9ALOUfGV chOrkGaTAUDCos1q3f9SKv9yFfSpH9+EX0ycdtSIe/W/VMgValTBxfIPKL4YvZWOWy95 Z+hzTT1glSjpZItSEDXIBMNOlGYQz3RRdmNNzpk18WupjFNZYxxKwdWcVRhGOxzSRgP8 IqRQlGFjO2S+A/B0WVY751lj8VboibwgGQw7OUx+twcMh7rTga7MEnm8TC6GX7LSWPzX eDlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=dViyLUNG7AAQOa1/IU+ce+AJwf2YlyFeUgtyBFqzMXo=; b=rUVGUJ4RHxxElIbiyY/nNLn9zf38Q4VMlPlGFSRxJsyVnYQdBcwzZC4NLTq7I6doqt HWNams7HhGCjVkYBLfHxTVNSnCRZkd/EX54VCLnQWLnNgpqjdiJCdh91jHULjSrxK5Nb ZBDu1NAN6hTogMV2hduV4e6U5Z3JFSXwXOhbOVpmShKFzx+LAZrLPJAgt9SzSbtYCI86 XMA9Sr/6aAtNOp0f4kCQiAFt6rPR3IBf4Hlhpx+Itu5e+cxsS4yKm1M2RAJs8rm6y2rh sPSCTv1V75SnOJzj2F6CS8alWGIb2GIIzh2x3UT/FF2nhJORdki1wDoVKKyNHiw/AOIX lR6g== X-Gm-Message-State: APjAAAUgW4dniOrlJnxHLVvudRPHX4x63AE/5PVE2SdVHbaWmGfampoV juC1olyTTnxZ6QNk49tChUH3g3mI8lY= X-Google-Smtp-Source: APXvYqxREOAK+oMIDeJ6ZPII99RWzICJCJ8n3dkrd45sV2dCQE885FFhHxBFoux2jFuW5ed8Uhfngg== X-Received: by 2002:a63:d941:: with SMTP id e1mr23408837pgj.75.1563570227747; Fri, 19 Jul 2019 14:03:47 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 19 Jul 2019 14:03:18 -0700 Message-Id: <20190719210326.15466-17-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190719210326.15466-1-richard.henderson@linaro.org> References: <20190719210326.15466-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::42a Subject: [Qemu-devel] [PATCH for-4.2 16/24] target/arm: Add regime_has_2_ranges 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: , Cc: peter.maydell@linaro.org, beata.michalska@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- target/arm/internals.h | 16 ++++++++++++++++ target/arm/helper.c | 22 +++++----------------- target/arm/translate-a64.c | 3 +-- 3 files changed, 22 insertions(+), 19 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index 047cbfd1d7..f653e0e7f5 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -824,6 +824,22 @@ static inline void arm_call_el_change_hook(ARMCPU *cpu) } } =20 +/* Return true if this address translation regime has two ranges. */ +static inline bool regime_has_2_ranges(ARMMMUIdx mmu_idx) +{ + switch (mmu_idx) { + case ARMMMUIdx_Stage1_E0: + case ARMMMUIdx_Stage1_E1: + case ARMMMUIdx_EL10_0: + case ARMMMUIdx_EL10_1: + case ARMMMUIdx_EL20_0: + case ARMMMUIdx_EL20_2: + return true; + default: + return false; + } +} + /* Return true if this address translation regime is secure */ static inline bool regime_is_secure(CPUARMState *env, ARMMMUIdx mmu_idx) { diff --git a/target/arm/helper.c b/target/arm/helper.c index 240a6ed168..2d5658f9e3 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -8999,15 +8999,8 @@ static int get_S1prot(CPUARMState *env, ARMMMUIdx mm= u_idx, bool is_aa64, } =20 if (is_aa64) { - switch (regime_el(env, mmu_idx)) { - case 1: - if (!is_user) { - xn =3D pxn || (user_rw & PAGE_WRITE); - } - break; - case 2: - case 3: - break; + if (regime_has_2_ranges(mmu_idx) && !is_user) { + xn =3D pxn || (user_rw & PAGE_WRITE); } } else if (arm_feature(env, ARM_FEATURE_V7)) { switch (regime_el(env, mmu_idx)) { @@ -9541,7 +9534,6 @@ ARMVAParameters aa64_va_parameters_both(CPUARMState *= env, uint64_t va, ARMMMUIdx mmu_idx) { uint64_t tcr =3D regime_tcr(env, mmu_idx)->raw_tcr; - uint32_t el =3D regime_el(env, mmu_idx); bool tbi, tbid, epd, hpd, using16k, using64k; int select, tsz; =20 @@ -9551,7 +9543,7 @@ ARMVAParameters aa64_va_parameters_both(CPUARMState *= env, uint64_t va, */ select =3D extract64(va, 55, 1); =20 - if (el > 1) { + if (!regime_has_2_ranges(mmu_idx)) { tsz =3D extract32(tcr, 0, 6); using64k =3D extract32(tcr, 14, 1); using16k =3D extract32(tcr, 15, 1); @@ -9707,10 +9699,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, tar= get_ulong address, param =3D aa64_va_parameters(env, address, mmu_idx, access_type !=3D MMU_INST_FETCH); level =3D 0; - /* If we are in 64-bit EL2 or EL3 then there is no TTBR1, so mark = it - * invalid. - */ - ttbr1_valid =3D (el < 2); + ttbr1_valid =3D regime_has_2_ranges(mmu_idx); addrsize =3D 64 - 8 * param.tbi; inputsize =3D 64 - param.tsz; } else { @@ -11361,8 +11350,7 @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_= ulong *pc, ARMVAParameters p0 =3D aa64_va_parameters_both(env, 0, stage1); int tbii, tbid; =20 - /* FIXME: ARMv8.1-VHE S2 translation regime. */ - if (regime_el(env, stage1) < 2) { + if (regime_has_2_ranges(mmu_idx)) { ARMVAParameters p1 =3D aa64_va_parameters_both(env, -1, st= age1); tbid =3D (p1.tbi << 1) | p0.tbi; tbii =3D tbid & ~((p1.tbid << 1) | p0.tbid); diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index a9e65fe347..5679349310 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -176,8 +176,7 @@ static void gen_top_byte_ignore(DisasContext *s, TCGv_i= 64 dst, if (tbi =3D=3D 0) { /* Load unmodified address */ tcg_gen_mov_i64(dst, src); - } else if (s->current_el >=3D 2) { - /* FIXME: ARMv8.1-VHE S2 translation regime. */ + } else if (!regime_has_2_ranges(s->mmu_idx)) { /* Force tag byte to all zero */ tcg_gen_extract_i64(dst, src, 0, 56); } else { --=20 2.17.1