From nobody Mon Feb 9 21:24:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1694484877653499.0241718923835; Mon, 11 Sep 2023 19:14:37 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qfstM-0001IS-Ag; Mon, 11 Sep 2023 22:12:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qfstB-0001Fk-VI for qemu-devel@nongnu.org; Mon, 11 Sep 2023 22:12:30 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qfst5-0005U7-Gg for qemu-devel@nongnu.org; Mon, 11 Sep 2023 22:12:27 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8AxXOr0yP9kGTIlAA--.45555S3; Tue, 12 Sep 2023 10:12:04 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxfSPqyP9kCnh4AA--.42014S11; Tue, 12 Sep 2023 10:12:03 +0800 (CST) From: xianglai li To: qemu-devel@nongnu.org Cc: "Salil Mehta" , Xiaojuan Yang , Song Gao , "Michael S. Tsirkin" , Igor Mammedov , Ani Sinha , Paolo Bonzini , Richard Henderson , Eduardo Habkost , Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Peter Xu , David Hildenbrand , Bibo Mao Subject: [PATCH v2 09/10] Add generic event device for Loongarch Date: Tue, 12 Sep 2023 10:11:46 +0800 Message-Id: <775b9d1abd52286fa3af945ac23ec3631b110fbe.1694433326.git.lixianglai@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8DxfSPqyP9kCnh4AA--.42014S11 X-CM-SenderInfo: 5ol0xt5qjotxo6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== 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; Received-SPF: pass client-ip=114.242.206.163; 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, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1694484879180100004 Create a new GED device type for Loongarch, mount cpu_madt function to update the ACPI table. Cc: "Salil Mehta" Cc: Xiaojuan Yang Cc: Song Gao Cc: "Michael S. Tsirkin" Cc: Igor Mammedov Cc: Ani Sinha Cc: Paolo Bonzini Cc: Richard Henderson Cc: Eduardo Habkost Cc: Marcel Apfelbaum Cc: "Philippe Mathieu-Daud=C3=A9" Cc: Yanan Wang Cc: "Daniel P. Berrang=C3=A9" Cc: Peter Xu Cc: David Hildenbrand Cc: Bibo Mao Signed-off-by: xianglai li --- hw/loongarch/acpi-build.c | 17 +++++++++ hw/loongarch/generic_event_device_loongarch.c | 36 +++++++++++++++++++ hw/loongarch/meson.build | 2 +- include/hw/acpi/generic_event_device.h | 1 + include/hw/loongarch/virt.h | 4 +++ 5 files changed, 59 insertions(+), 1 deletion(-) create mode 100644 hw/loongarch/generic_event_device_loongarch.c diff --git a/hw/loongarch/acpi-build.c b/hw/loongarch/acpi-build.c index ae292fc543..66fad295cc 100644 --- a/hw/loongarch/acpi-build.c +++ b/hw/loongarch/acpi-build.c @@ -46,6 +46,23 @@ #define ACPI_BUILD_DPRINTF(fmt, ...) #endif =20 +void virt_madt_cpu_entry(int uid, + const CPUArchIdList *apic_ids, + GArray *entry, bool force_enabled) +{ + uint32_t apic_id =3D apic_ids->cpus[uid].arch_id; + /* Flags =E2=80=93 Local APIC Flags */ + uint32_t flags =3D apic_ids->cpus[uid].cpu !=3D NULL || force_enabled ? + 1 /* Enabled */ : 0; + + /* Rev 1.0b, Table 5-13 Processor Local APIC Structure */ + build_append_int_noprefix(entry, 0, 1); /* Type */ + build_append_int_noprefix(entry, 8, 1); /* Length */ + build_append_int_noprefix(entry, uid, 1); /* ACPI Processor ID */ + build_append_int_noprefix(entry, apic_id, 1); /* APIC ID */ + build_append_int_noprefix(entry, flags, 4); /* Flags */ +} + /* build FADT */ static void init_common_fadt_data(AcpiFadtData *data) { diff --git a/hw/loongarch/generic_event_device_loongarch.c b/hw/loongarch/g= eneric_event_device_loongarch.c new file mode 100644 index 0000000000..1fe550239b --- /dev/null +++ b/hw/loongarch/generic_event_device_loongarch.c @@ -0,0 +1,36 @@ +/* + * loongarch variant of the generic event device for hw reduced acpi + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + */ + +#include "qemu/osdep.h" +#include "hw/acpi/generic_event_device.h" +#include "hw/loongarch/virt.h" + +static void acpi_ged_loongarch_class_init(ObjectClass *class, void *data) +{ + AcpiDeviceIfClass *adevc =3D ACPI_DEVICE_IF_CLASS(class); + + adevc->madt_cpu =3D virt_madt_cpu_entry; +} + +static const TypeInfo acpi_ged_loongarch_info =3D { + .name =3D TYPE_ACPI_GED_LOONGARCH, + .parent =3D TYPE_ACPI_GED, + .class_init =3D acpi_ged_loongarch_class_init, + .interfaces =3D (InterfaceInfo[]) { + { TYPE_HOTPLUG_HANDLER }, + { TYPE_ACPI_DEVICE_IF }, + { } + } +}; + +static void acpi_ged_loongarch_register_types(void) +{ + type_register_static(&acpi_ged_loongarch_info); +} + +type_init(acpi_ged_loongarch_register_types) diff --git a/hw/loongarch/meson.build b/hw/loongarch/meson.build index c0421502ab..8d21addee3 100644 --- a/hw/loongarch/meson.build +++ b/hw/loongarch/meson.build @@ -3,6 +3,6 @@ loongarch_ss.add(files( 'fw_cfg.c', )) loongarch_ss.add(when: 'CONFIG_LOONGARCH_VIRT', if_true: [files('virt.c'),= fdt]) -loongarch_ss.add(when: 'CONFIG_ACPI', if_true: files('acpi-build.c')) +loongarch_ss.add(when: 'CONFIG_ACPI', if_true: files('acpi-build.c', 'gene= ric_event_device_loongarch.c')) =20 hw_arch +=3D {'loongarch': loongarch_ss} diff --git a/include/hw/acpi/generic_event_device.h b/include/hw/acpi/gener= ic_event_device.h index d0a5a43abf..2923bd9d82 100644 --- a/include/hw/acpi/generic_event_device.h +++ b/include/hw/acpi/generic_event_device.h @@ -71,6 +71,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(AcpiGedState, ACPI_GED) =20 #define TYPE_ACPI_GED_X86 "acpi-ged-x86" +#define TYPE_ACPI_GED_LOONGARCH "acpi-ged-loongarch" =20 #define ACPI_GED_EVT_SEL_OFFSET 0x0 #define ACPI_GED_EVT_SEL_LEN 0x4 diff --git a/include/hw/loongarch/virt.h b/include/hw/loongarch/virt.h index 176dc43a93..f6c9495af2 100644 --- a/include/hw/loongarch/virt.h +++ b/include/hw/loongarch/virt.h @@ -60,4 +60,8 @@ struct LoongArchMachineState { OBJECT_DECLARE_SIMPLE_TYPE(LoongArchMachineState, LOONGARCH_MACHINE) bool loongarch_is_acpi_enabled(LoongArchMachineState *lams); void loongarch_acpi_setup(LoongArchMachineState *lams); +void virt_madt_cpu_entry(int uid, + const CPUArchIdList *apic_ids, GArray *entry, + bool force_enabled); + #endif --=20 2.39.1