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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id w1sm3796430wro.72.2020.02.07.06.33.51 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Feb 2020 06:33:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=Jao/xEGUWWybaAe9JIFeCQwc4HndZ45KTdA+bMec2T8=; b=CfCO/UYbv1fYdo06QVoNZHJnVc40Yj5C7DS8Y8iWzFC29NUCWkgramczSTn90Zz5w7 xy20Sxxo74X3N34TW1B4UW3nZ1cNagk2NSg78WCRkuQu88rmF7ULHB9GIS7RKZXlSR64 JAHEcE3/D4qQ1og81w6hBFYf8WaslJj2Xcxt0lMebKj06wDlI6ua1bg9CiJOOfk+nox3 wv71MxbrrL2DbbNbwTv2CsXKAO5+lANghzmGcbdF9WMklKVkAE0fVUZKyJj7uqzkCvNh 7Na7F0nPQmFZLw7aSTDAKMUTcIStWrBGCFyF8LThX6n2ddeRNTCoIPH8tkXWPwX+czQM NkeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Jao/xEGUWWybaAe9JIFeCQwc4HndZ45KTdA+bMec2T8=; b=mp33Ht59ex2iiZF3+qlRFjuM1q0HtQ4FpITRKqB0bSRsSgqYbKIciB9VG28bOnnwOx HbhYekiqTXg0QMcOvxOVZaPUQePcBLxQFEkhqHqcfzZvhj8pE09/LBoHxbOPtXZY8rkO X730ZT28JqH6k8cCwFGennTg7hmtoCmxGqkcrlpM+J8nagyC6zwDvnpPgRJCalOPPMVx p+BjJtdny2vwgfFTs0eHZflxZuYKyJJz0kk0W4uid4r/K0WNLW9sWDBdQcTjR9OX/g6r QJ5v7YslnQW2XJr32fq7YCGWF25YnXhOMlKMJ5soXLgAFVn7HrWLE5QF92RhtSVWSD6Y OPGw== X-Gm-Message-State: APjAAAU1V15KuM/8uGxTi0WPgC2FehdCRCUQQoP+GGuQM+/F5VzI7kdn FNQGffpxY2A3LRh86/8nAS2cOaBwMJc= X-Google-Smtp-Source: APXvYqxGLOkWyoM0qUxQCsbPiq+x533ZORX8rIjNyc6n4J+eYo7s/NZ6lIG6wykdTC85BbhvZD+5Aw== X-Received: by 2002:a1c:dfd6:: with SMTP id w205mr4780123wmg.151.1581086031968; Fri, 07 Feb 2020 06:33:51 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 06/48] target/arm: Update CNTVCT_EL0 for VHE Date: Fri, 7 Feb 2020 14:33:01 +0000 Message-Id: <20200207143343.30322-7-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200207143343.30322-1-peter.maydell@linaro.org> References: <20200207143343.30322-1-peter.maydell@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::343 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) From: Richard Henderson The virtual offset may be 0 depending on EL, E2H and TGE. Tested-by: Alex Benn=C3=A9e Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Richard Henderson Message-id: 20200206105448.4726-6-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- 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 c7ee0d603f4..dbfdf2324b4 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -2515,9 +2515,31 @@ 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, @@ -2532,7 +2554,13 @@ 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)); @@ -2542,7 +2570,13 @@ 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 2.20.1