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[97.126.117.207]) by smtp.gmail.com with ESMTPSA id i6sm32724751pgi.40.2019.07.19.14.03.39 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 19 Jul 2019 14:03:39 -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=ONlRo+aGNPiboAPXE/iCxOa/p0BidbUC71A8LKcDA68=; b=uMqw9/aa/EwMrjfcb/ASPxNGkGHr4lJ237lWd4dM9TWhWdL/R8yKE/c7VybWZebALR wZLGm+IGmyT+R+0bqMw/7kafNY0uhLKxnb3Vwpj0zSKoFWIOj4yi4GkycCtpZKRILGWU Hik7SdVHxyJIktYlQnZHra8bJ499lQ+ObOAJ2I+X8x7R5EGaGvCedVlC6NUhn5uVN1MN eXPUf/9Ec10oFvQCL+KTWZ9ymx4fagYX9Agk9xb0pRN/sGIQWcIowa0hsAq07YEV2NLT G0duiUd7yZC+0WtZboaJs4YpCeYTuwyMX7pAqoFL5cZ3jN4nILTLGO9s/t1gU5j0SGBm 60pw== 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=ONlRo+aGNPiboAPXE/iCxOa/p0BidbUC71A8LKcDA68=; b=rvJ9WEL6xEiFGEM3yQX/p13aE0vVQ9aamL74zMr8obUiIHHZVbv4Vf88GTq4bg8ted ZFvDQtgBSqZvHW1K/DiJK/2B3R9eh0Cn2vbnTsjwgTMzyJxElwuPDNG3ghC7CBSJSrZO Eqyb74FtoYzXsIxx5SdYkFjelyUZ7Ve3Pg2YkfI19Hw/+gbhDhlCW2fewPBFm6pPQm7E 8lV+mQ1PHTCRHUtgT4FtGoaiLv6ELKeEaMb4JofmGNA7FcKSGleQlNXXIqLN4lmctysL 9RGI73h3n+oPW0Y0KTuymdiiBmR9zwCXYekARYn5CRwSIRexyZtfDIHqyTuaYS9x/Opf MR8A== X-Gm-Message-State: APjAAAVxcu6LN8rDISm0c2lsK91rhVS6YZDO2SEbm3VMV7Nh8ys1BFjH Gquhywcm1jI0C0Wrrj2mcDCveEVLTZc= X-Google-Smtp-Source: APXvYqxsLiICronbIwG0r0AxnpIc0VlbrI4ft5vjpkizAPy2VODaJj3x2IGocu3HkfR041l6Jd3W7A== X-Received: by 2002:a17:902:e6:: with SMTP id a93mr58939964pla.175.1563570220312; Fri, 19 Jul 2019 14:03:40 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 19 Jul 2019 14:03:12 -0700 Message-Id: <20190719210326.15466-11-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::642 Subject: [Qemu-devel] [PATCH for-4.2 10/24] target/arm: Update CNTVCT_EL0 for VHE 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" The virtual offset may be 0 depending on EL, E2H and TGE. Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --- target/arm/helper.c | 40 +++++++++++++++++++++++++++++++++++++--- 1 file changed, 37 insertions(+), 3 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index da2e0627b2..3124d682a2 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -2484,9 +2484,31 @@ static uint64_t gt_cnt_read(CPUARMState *env, const = ARMCPRegInfo *ri) return gt_get_countervalue(env); } =20 +static uint64_t gt_virt_cnt_offset(CPUARMState *env) +{ + uint64_t hcr; + + switch (arm_current_el(env)) { + case 2: + hcr =3D arm_hcr_el2_eff(env); + if (hcr & HCR_E2H) { + return 0; + } + break; + case 0: + hcr =3D arm_hcr_el2_eff(env); + if ((hcr & (HCR_E2H | HCR_TGE)) =3D=3D (HCR_E2H | HCR_TGE)) { + return 0; + } + break; + } + + return env->cp15.cntvoff_el2; +} + static uint64_t gt_virt_cnt_read(CPUARMState *env, const ARMCPRegInfo *ri) { - return gt_get_countervalue(env) - env->cp15.cntvoff_el2; + return gt_get_countervalue(env) - gt_virt_cnt_offset(env); } =20 static void gt_cval_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -2501,7 +2523,13 @@ static void gt_cval_write(CPUARMState *env, const AR= MCPRegInfo *ri, static uint64_t gt_tval_read(CPUARMState *env, const ARMCPRegInfo *ri, int timeridx) { - uint64_t offset =3D timeridx =3D=3D GTIMER_VIRT ? env->cp15.cntvoff_el= 2 : 0; + uint64_t offset =3D 0; + + switch (timeridx) { + case GTIMER_VIRT: + offset =3D gt_virt_cnt_offset(env); + break; + } =20 return (uint32_t)(env->cp15.c14_timer[timeridx].cval - (gt_get_countervalue(env) - offset)); @@ -2511,7 +2539,13 @@ static void gt_tval_write(CPUARMState *env, const AR= MCPRegInfo *ri, int timeridx, uint64_t value) { - uint64_t offset =3D timeridx =3D=3D GTIMER_VIRT ? env->cp15.cntvoff_el= 2 : 0; + uint64_t offset =3D 0; + + switch (timeridx) { + case GTIMER_VIRT: + offset =3D gt_virt_cnt_offset(env); + break; + } =20 trace_arm_gt_tval_write(timeridx, value); env->cp15.c14_timer[timeridx].cval =3D gt_get_countervalue(env) - offs= et + --=20 2.17.1