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GET /api/1.1/patches/2231710/?format=api
{ "id": 2231710, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2231710/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260501101505.3485916-25-peter.maydell@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260501101505.3485916-25-peter.maydell@linaro.org>", "date": "2026-05-01T10:15:01", "name": "[PULL,24/28] target/arm: hvf: pass through CNTHCTL_EL2 and MDCCINT_EL1", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "c372af22d215f63aeb977260439648276eb33ba2", "submitter": { "id": 5111, "url": "http://patchwork.ozlabs.org/api/1.1/people/5111/?format=api", "name": "Peter Maydell", "email": "peter.maydell@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260501101505.3485916-25-peter.maydell@linaro.org/mbox/", "series": [ { "id": 502437, "url": "http://patchwork.ozlabs.org/api/1.1/series/502437/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502437", "date": "2026-05-01T10:14:41", "name": "[PULL,01/28] hw/arm/fsl-imx8mp: Do not create redundant unimplemented devices", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502437/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2231710/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2231710/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=Qiniast3;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g6Rl42t5Bz1xqf\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 01 May 2026 20:16:00 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wIkuQ-00047B-5y; Fri, 01 May 2026 06:15:46 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1wIkuJ-00042y-C6\n for qemu-devel@nongnu.org; Fri, 01 May 2026 06:15:39 -0400", "from mail-wm1-x330.google.com ([2a00:1450:4864:20::330])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1wIkuH-0000FA-Ml\n for qemu-devel@nongnu.org; Fri, 01 May 2026 06:15:39 -0400", "by mail-wm1-x330.google.com with SMTP id\n 5b1f17b1804b1-488ab2db91aso21250545e9.3\n for <qemu-devel@nongnu.org>; Fri, 01 May 2026 03:15:37 -0700 (PDT)", "from lanath.. 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[81.2.115.145])\n by smtp.gmail.com with ESMTPSA id\n 5b1f17b1804b1-48a8fede418sm12863335e9.6.2026.05.01.03.15.35\n for <qemu-devel@nongnu.org>\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Fri, 01 May 2026 03:15:35 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1777630536; x=1778235336; darn=nongnu.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:to:from:from:to:cc:subject:date:message-id\n :reply-to; bh=0V88ZatR1lmUbDKzZHFEAjN9VwU8JnhgBh76WZWQXeA=;\n b=Qiniast3dXqeeeH3qdR5d1ZwTVtFg8I/a5wC2WXY3dlbp8IyEa6yVO2KNyipFRv7bQ\n JvyjgcwDGqZdMAwV06EfywabXuD13bh8KyGx4x6/UXan/CHv3jEkqjEp2YBr9nXZqLnr\n FdioDthAlCejkkAkn88RLIHGp/CnAiCtJLzvLGIBRk5ynADkU2HknRTWlzGjVs4DTO+U\n YrSYQXJxnUhPv9xcdYFO7nzdm3qoKkq5qLTSHk+ltH1CUtWyqCU0/pngAUtpY3TSd7nV\n +HqPrFZQqhMCo4WPlnkhNjojQVK9KUPZ5oMLoX8T2yq70RrFs4Cf1Retp0b3V5I7tocE\n AmLA==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1777630536; x=1778235336;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to\n :cc:subject:date:message-id:reply-to;\n bh=0V88ZatR1lmUbDKzZHFEAjN9VwU8JnhgBh76WZWQXeA=;\n b=pRE2u/gMMXyAAVIiAAyzIuvbcHD45GmILHujpcTXgY13aJMiFXdUYg5PysurRn1HzY\n Zgh2E8uIijhKqejQDzEzNntTBU1BdK5iPodWHvK1qdpKbPK8aESn0vmZEQ6j8Ypox6ju\n mAniPwgcQcaD0EMrw5NQKoXfMfADeKj+cN4YfTyBolHCtcvEW/6gJUAPmEB0VI29IBE6\n oRIXq5kAmlISCgg8iDxt8YZ4YtcQ0lkESTlBB3FQD9s4CfeMLMdWpSlCUmFV3K+FBoVS\n cNF/agOG7WjUZse0xS2k57PKOxpTa31uxpZWBCGLhSlEu5iUXA2kJDLSaZZpIujXXMZC\n R+ww==", "X-Gm-Message-State": "AOJu0YxEP89dWDUP/XtViTxv5ijCvBzqIyQvXAJQ7392STIhvEUOrA+7\n KK8dwERzvLxsBDlbW/bnxpj5Azm9LjlpTBoDII2e10ZNIN9RYB6WI+rNdWUHYK1LMgG7t9h0vWP\n pwwj9", "X-Gm-Gg": "AeBDietFWhKGxXCvUh9kKimGXSV1U82bN0uVAsMb3LZFow13XU7bSsdy+7fQBrcOLv2\n sMARzZkTnGTqzwIjzaIx6cX0HTbhFVPCc88zyUQaU7lixmJr0exOMCbcX5JSZ7gMEdaYlHrDOhK\n lqiR7xQmSIgNhF5+37SpctL+iJkYYyBiJZ3Kkd1FP5KeXiJtfYGBtW0I/PRnEkHDhpFbhzOkou5\n 0KTmIXKCpaEu5EivDuIqm/dVC63xKtSu1lY1YaKAf3proo/yDmG/wsOhCGGkDJxCE91LrqW4qYA\n RSpH3ZAEVFHzcm0z2HE8irD3mNZr5pWRkTAMISUwwnKfFKAZOhvK2yFxnq7RqXfWeBxkSfLfkww\n 9eBaY6d24+a9lDV8WTmPLoppW97g0Q7CDUBocHOwr5rlNZdOyRscUbJISzLJT85GD1HzAljD+9h\n l7HHZEumk8bP7iaUFuCnIXZGt/M6kTTZRPL/Y3rWDdDRswIiX9wQss8lUyXu2GaqxMn7TQvRbH3\n NZEtl5NcCXP9Q6pW0wFSBDnVHddbJpEVURqJmNfGCP1j/c4KcH6", "X-Received": "by 2002:a05:600c:354d:b0:488:8b99:54a1 with SMTP id\n 5b1f17b1804b1-48a8445e8bcmr105631535e9.28.1777630536211;\n Fri, 01 May 2026 03:15:36 -0700 (PDT)", "From": "Peter Maydell <peter.maydell@linaro.org>", "To": "qemu-devel@nongnu.org", "Subject": "[PULL 24/28] target/arm: hvf: pass through CNTHCTL_EL2 and\n MDCCINT_EL1", "Date": "Fri, 1 May 2026 11:15:01 +0100", "Message-ID": "<20260501101505.3485916-25-peter.maydell@linaro.org>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260501101505.3485916-1-peter.maydell@linaro.org>", "References": "<20260501101505.3485916-1-peter.maydell@linaro.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::330;\n envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x330.google.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Mohamed Mediouni <mohamed@unpredictable.fr>\n\nHVF traps accesses to CNTHCTL_EL2. For nested guests, HVF traps accesses to MDCCINT_EL1.\nPass through those accesses to the Hypervisor.framework library.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n\nReviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>\nTested-by: Philippe Mathieu-Daudé <philmd@linaro.org>\nMessage-id: 20260429190532.26538-12-mohamed@unpredictable.fr\nSigned-off-by: Peter Maydell <peter.maydell@linaro.org>\n---\n target/arm/hvf/hvf.c | 20 ++++++++++++++++++++\n 1 file changed, 20 insertions(+)", "diff": "diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c\nindex ecfe06cd8c..1894be6b0e 100644\n--- a/target/arm/hvf/hvf.c\n+++ b/target/arm/hvf/hvf.c\n@@ -296,6 +296,10 @@ void hvf_arm_init_debug(void)\n #define SYSREG_DBGWVR15_EL1 SYSREG(2, 0, 0, 15, 6)\n #define SYSREG_DBGWCR15_EL1 SYSREG(2, 0, 0, 15, 7)\n \n+/* EL2 registers */\n+#define SYSREG_CNTHCTL_EL2 SYSREG(3, 4, 14, 1, 0)\n+#define SYSREG_MDCCINT_EL1 SYSREG(2, 0, 0, 2, 0)\n+\n #define WFX_IS_WFE (1 << 0)\n \n #define TMR_CTL_ENABLE (1 << 0)\n@@ -1719,6 +1723,14 @@ static int hvf_sysreg_read(CPUState *cpu, uint32_t reg, uint64_t *val)\n case SYSREG_OSDLR_EL1:\n /* Dummy register */\n return 0;\n+ case SYSREG_CNTHCTL_EL2:\n+ if (__builtin_available(macOS 15.0, *)) {\n+ assert_hvf_ok(hv_vcpu_get_sys_reg(cpu->accel->fd, HV_SYS_REG_CNTHCTL_EL2, val));\n+ }\n+ return 0;\n+ case SYSREG_MDCCINT_EL1:\n+ assert_hvf_ok(hv_vcpu_get_sys_reg(cpu->accel->fd, HV_SYS_REG_MDCCINT_EL1, val));\n+ return 0;\n case SYSREG_ICC_AP0R0_EL1:\n case SYSREG_ICC_AP0R1_EL1:\n case SYSREG_ICC_AP0R2_EL1:\n@@ -2007,6 +2019,14 @@ static int hvf_sysreg_write(CPUState *cpu, uint32_t reg, uint64_t val)\n case SYSREG_OSDLR_EL1:\n /* Dummy register */\n return 0;\n+ case SYSREG_CNTHCTL_EL2:\n+ if (__builtin_available(macOS 15.0, *)) {\n+ assert_hvf_ok(hv_vcpu_set_sys_reg(cpu->accel->fd, HV_SYS_REG_CNTHCTL_EL2, val));\n+ }\n+ return 0;\n+ case SYSREG_MDCCINT_EL1:\n+ assert_hvf_ok(hv_vcpu_set_sys_reg(cpu->accel->fd, HV_SYS_REG_MDCCINT_EL1, val));\n+ return 0;\n case SYSREG_LORC_EL1:\n /* Dummy register */\n return 0;\n", "prefixes": [ "PULL", "24/28" ] }