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GET /api/patches/2216665/?format=api
{ "id": 2216665, "url": "http://patchwork.ozlabs.org/api/patches/2216665/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260327023125.3802140-3-lixianglai@loongson.cn/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/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": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260327023125.3802140-3-lixianglai@loongson.cn>", "list_archive_url": null, "date": "2026-03-27T02:31:23", "name": "[V4,2/4] hw/loongarch: add rtc acpi table", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "789b556e915aeb3d695e236f33048bb4bfec6ef5", "submitter": { "id": 86865, "url": "http://patchwork.ozlabs.org/api/people/86865/?format=api", "name": "Xianglai Li", "email": "lixianglai@loongson.cn" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260327023125.3802140-3-lixianglai@loongson.cn/mbox/", "series": [ { "id": 497682, "url": "http://patchwork.ozlabs.org/api/series/497682/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497682", "date": "2026-03-27T02:31:23", "name": "add rtc acpi table", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/497682/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216665/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216665/checks/", "tags": {}, "related": [], "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 spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "Received": [ "from lists.gnu.org (lists.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 4fhlgB6smDz1yFp\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 27 Mar 2026 13:57:26 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1w5xNs-0008KN-Os; Thu, 26 Mar 2026 22:57:16 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <lixianglai@loongson.cn>)\n id 1w5xNp-0008Jt-Tq\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 22:57:13 -0400", "from mail.loongson.cn ([114.242.206.163])\n by eggs.gnu.org with esmtp (Exim 4.90_1)\n (envelope-from <lixianglai@loongson.cn>) id 1w5xNm-0000PO-UR\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 22:57:13 -0400", "from loongson.cn (unknown [10.2.5.185])\n by gateway (Coremail) with SMTP id _____8BxFMH98cVpjCgfAA--.42066S3;\n Fri, 27 Mar 2026 10:57:01 +0800 (CST)", "from localhost.localdomain (unknown [10.2.5.185])\n by front1 (Coremail) with SMTP id qMiowJCx_8L78cVppX5eAA--.49748S4;\n Fri, 27 Mar 2026 10:57:00 +0800 (CST)" ], "From": "Xianglai Li <lixianglai@loongson.cn>", "To": "qemu-devel@nongnu.org,\n\tlixianglai@loongson.cn", "Cc": "Song Gao <gaosong@loongson.cn>, Bibo Mao <maobibo@loongson.cn>,\n Jiaxun Yang <jiaxun.yang@flygoat.com>,\n \"Huacai Chen\" <zltjiangshi@gmail.com>,\n Jonathan Cameron <jonathan.cameron@huawei.com>", "Subject": "[PATCH V4 2/4] hw/loongarch: add rtc acpi table", "Date": "Fri, 27 Mar 2026 10:31:23 +0800", "Message-Id": "<20260327023125.3802140-3-lixianglai@loongson.cn>", "X-Mailer": "git-send-email 2.39.1", "In-Reply-To": "<20260327023125.3802140-1-lixianglai@loongson.cn>", "References": "<20260327023125.3802140-1-lixianglai@loongson.cn>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-CM-TRANSID": "qMiowJCx_8L78cVppX5eAA--.49748S4", "X-CM-SenderInfo": "5ol0xt5qjotxo6or00hjvr0hdfq/", "X-Coremail-Antispam": "1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7\n ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx\n nUUI43ZEXa7xR_UUUUUUUUU==", "Received-SPF": "pass client-ip=114.242.206.163;\n envelope-from=lixianglai@loongson.cn; helo=mail.loongson.cn", "X-Spam_score_int": "-18", "X-Spam_score": "-1.9", "X-Spam_bar": "-", "X-Spam_report": "(-1.9 / 5.0 requ) BAYES_00=-1.9,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_NONE=0.001, 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": "Add the acpi table to the loongson rtc hardware so that the virtual machine\nkernel can use the loongson RTC-related drivers.\n\nSigned-off-by: Xianglai Li <lixianglai@loongson.cn>\n---\nCc: Song Gao <gaosong@loongson.cn> \nCc: Bibo Mao <maobibo@loongson.cn> \nCc: Jiaxun Yang <jiaxun.yang@flygoat.com> \nCc: \"Huacai Chen\"<zltjiangshi@gmail.com>\nCc: Jonathan Cameron <jonathan.cameron@huawei.com> \n\n hw/loongarch/virt-acpi-build.c | 25 +++++++++++++++++++++++++\n 1 file changed, 25 insertions(+)", "diff": "diff --git a/hw/loongarch/virt-acpi-build.c b/hw/loongarch/virt-acpi-build.c\nindex 3e34bedcd6..42820001d7 100644\n--- a/hw/loongarch/virt-acpi-build.c\n+++ b/hw/loongarch/virt-acpi-build.c\n@@ -460,6 +460,30 @@ static void acpi_dsdt_add_tpm(Aml *scope, LoongArchVirtMachineState *vms)\n }\n #endif\n \n+static void acpi_dsdt_add_rtc(Aml *scope)\n+{\n+ Aml *dev = aml_device(\"RTC\");\n+\n+ aml_append(dev, aml_name_decl(\"_HID\", aml_string(\"LOON0001\")));\n+ aml_append(dev, aml_name_decl(\"_UID\", aml_int(0)));\n+\n+ Aml *crs = aml_resource_template();\n+ aml_append(crs,\n+ aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,\n+ AML_NON_CACHEABLE, AML_READ_WRITE,\n+ 0, VIRT_RTC_REG_BASE,\n+ VIRT_RTC_REG_BASE + VIRT_RTC_LEN - 1,\n+ 0, VIRT_RTC_LEN));\n+ /*\n+ * The virtual machine model does not support suspend and wake-up,\n+ * and rtc is no longer the wake-up source. Therefore, the current\n+ * rtc table no longer provides the rtc alarm interrupt number to\n+ * avoid the software initializing alarm.\n+ */\n+ aml_append(dev, aml_name_decl(\"_CRS\", crs));\n+ aml_append(scope, dev);\n+}\n+\n /* build DSDT */\n static void\n build_dsdt(GArray *table_data, BIOSLinker *linker, MachineState *machine)\n@@ -475,6 +499,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, MachineState *machine)\n for (i = 0; i < VIRT_UART_COUNT; i++) {\n build_uart_device_aml(dsdt, i);\n }\n+ acpi_dsdt_add_rtc(dsdt);\n build_pci_device_aml(dsdt, lvms);\n build_la_ged_aml(dsdt, machine);\n build_flash_aml(dsdt, lvms);\n", "prefixes": [ "V4", "2/4" ] }