From nobody Tue Feb 10 11:15:35 2026 Delivered-To: importer@patchew.org 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; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1580986671046356.8048276334388; Thu, 6 Feb 2020 02:57:51 -0800 (PST) Received: from localhost ([::1]:35714 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1izeqz-00006h-Vf for importer@patchew.org; Thu, 06 Feb 2020 05:57:50 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49569) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1izeo9-0002mA-Fi for qemu-devel@nongnu.org; Thu, 06 Feb 2020 05:54:54 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1izeo8-0005wx-HF for qemu-devel@nongnu.org; Thu, 06 Feb 2020 05:54:53 -0500 Received: from mail-wr1-x444.google.com ([2a00:1450:4864:20::444]:40001) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1izeo8-0005qg-Ai for qemu-devel@nongnu.org; Thu, 06 Feb 2020 05:54:52 -0500 Received: by mail-wr1-x444.google.com with SMTP id t3so6559384wru.7 for ; Thu, 06 Feb 2020 02:54:52 -0800 (PST) Received: from cloudburst.c.hoisthospitality.com ([135.196.99.211]) by smtp.gmail.com with ESMTPSA id m21sm3364995wmi.27.2020.02.06.02.54.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Feb 2020 02:54:50 -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=QYKU+SD8NVKPGAhIlG5/BkNy77M1mMPU6YzTLu1/WC0=; b=H1pxkHgYU34fqQAzGYt0D56hRIMd8D5gSrHAIOIUUpg2VUIALLgLpBgsqb5fYWnOdL nWwKARUdmDYe5smYTGKijAnvoHxV6HvO6bDFwPMW5hrSJcPAtV8Jw29D5sHRetejm6Rf xaLcSUZ0rOj/a4tCxLNntvKhZhwaOdspAk+F/U+ElRGjROMLl4i9pd4eYaBabvEu/oEq W/DJTnjYBmXF2kC7yQH3gEX6boc/FFhsHwIKpZN3VuC4kxsKtJh9CwYruzU2kwZ2tNGm ISSKUoJskMdqYbX6P3ugnsLJ9KYhKKfU7me/GzjSvrJLePhEty4gkrWb9PbAXhqGAbqb O3Kg== 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:mime-version:content-transfer-encoding; bh=QYKU+SD8NVKPGAhIlG5/BkNy77M1mMPU6YzTLu1/WC0=; b=B4zdu5Y3UhBEH+CtzeoPcKc2feX3fawwDD60T3SObOqBReVggHOPvNAbLFXPKm8M5M jFKFOVkPiGcK9Io5YpPHePhtkw3cimJ4Cfo7ZWsJoYsrWV4Jy2cwAtJcmJflGiLsJSzn PJt5J620DnFWDNMOKM4tY5lDCnt+28ahG0hjLCHDmOqxo9HXav6lBQOAZhIj6S9w+8kr ukEF6HWqx9cvqN79mDNzy8gRH/n/lKKhenK3AfPo70c3Kc5R+sBvoyp+UJqtpgTT/0+3 AEYR68P8Z1/U4LL+yi5gMVaLHSD0pb4TUzs3rTAB5C0MatDBgDGS2DwgxEJiNcd4DZCa Q0aQ== X-Gm-Message-State: APjAAAXimPWjONqMqbafmBdeTgKUsi0mCWCrT6XlKiJlh6bVa1uGbXpQ MG8GbWmqsTyJ0zgWHsEOEkW+JdS/qA1hrQ== X-Google-Smtp-Source: APXvYqwdTNfzPJI48JYTwYJmd3G7q5gA4OGdcZzDog8FnuU/f5/nMErlPSNhfqBIdbCTtkpL6N0GMw== X-Received: by 2002:adf:ca07:: with SMTP id o7mr3116671wrh.49.1580986491024; Thu, 06 Feb 2020 02:54:51 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v7 02/41] target/arm: Enable HCR_E2H for VHE Date: Thu, 6 Feb 2020 10:54:09 +0000 Message-Id: <20200206105448.4726-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200206105448.4726-1-richard.henderson@linaro.org> References: <20200206105448.4726-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::444 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, =?UTF-8?q?Alex=20Benn=C3=A9e?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Tested-by: Alex Benn=C3=A9e Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Richard Henderson --- target/arm/cpu.h | 7 ------- target/arm/helper.c | 6 +++++- 2 files changed, 5 insertions(+), 8 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 2a53f5d09b..0e68704a90 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1424,13 +1424,6 @@ static inline void xpsr_write(CPUARMState *env, uint= 32_t val, uint32_t mask) #define HCR_ATA (1ULL << 56) #define HCR_DCT (1ULL << 57) =20 -/* - * When we actually implement ARMv8.1-VHE we should add HCR_E2H to - * HCR_MASK and then clear it again if the feature bit is not set in - * hcr_write(). - */ -#define HCR_MASK ((1ULL << 34) - 1) - #define SCR_NS (1U << 0) #define SCR_IRQ (1U << 1) #define SCR_FIQ (1U << 2) diff --git a/target/arm/helper.c b/target/arm/helper.c index 19a57a17da..f5ce05fdf3 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -4721,7 +4721,8 @@ static const ARMCPRegInfo el3_no_el2_v8_cp_reginfo[] = =3D { static void hcr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t v= alue) { ARMCPU *cpu =3D env_archcpu(env); - uint64_t valid_mask =3D HCR_MASK; + /* Begin with bits defined in base ARMv8.0. */ + uint64_t valid_mask =3D MAKE_64BIT_MASK(0, 34); =20 if (arm_feature(env, ARM_FEATURE_EL3)) { valid_mask &=3D ~HCR_HCD; @@ -4735,6 +4736,9 @@ static void hcr_write(CPUARMState *env, const ARMCPRe= gInfo *ri, uint64_t value) */ valid_mask &=3D ~HCR_TSC; } + if (cpu_isar_feature(aa64_vh, cpu)) { + valid_mask |=3D HCR_E2H; + } if (cpu_isar_feature(aa64_lor, cpu)) { valid_mask |=3D HCR_TLOR; } --=20 2.20.1