From nobody Tue Feb 10 17:14:37 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; dmarc=fail(p=none dis=none) header.from=zte.com.cn Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1770603968822277.17556849822984; Sun, 8 Feb 2026 18:26:08 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vpGyO-00055n-JD; Sun, 08 Feb 2026 21:26:00 -0500 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 1vpGyM-000556-7T; Sun, 08 Feb 2026 21:25:58 -0500 Received: from mxct.zte.com.cn ([183.62.165.209]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vpGyK-0007bN-0S; Sun, 08 Feb 2026 21:25:57 -0500 Received: from mse-fl1.zte.com.cn (unknown [10.5.228.132]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mxct.zte.com.cn (FangMail) with ESMTPS id 4f8T7w1Dljz4xQX7; Mon, 09 Feb 2026 10:25:48 +0800 (CST) Received: from xaxapp02.zte.com.cn ([10.88.97.241]) by mse-fl1.zte.com.cn with SMTP id 6192PhpW092062; Mon, 9 Feb 2026 10:25:43 +0800 (+08) (envelope-from liu.xuemei1@zte.com.cn) Received: from mapi (xaxapp05[null]) by mapi (Zmail) with MAPI id mid32; Mon, 9 Feb 2026 10:25:44 +0800 (CST) X-Zmail-TransId: 2afc698945a813d-8f702 X-Mailer: Zmail v1.0 Message-ID: <202602091025447146cbSJ01TP_ckm5Y-zJv5X@zte.com.cn> In-Reply-To: <20260209102128930gN_7xu7bNIZcEawnIz3c7@zte.com.cn> References: 20260209102128930gN_7xu7bNIZcEawnIz3c7@zte.com.cn Date: Mon, 9 Feb 2026 10:25:44 +0800 (CST) Mime-Version: 1.0 From: To: , , , , Cc: , , , , , , , Subject: =?UTF-8?B?W1BBVENIIHY2IDIvNF0gaHcvcmlzY3YvdmlydDogQWRkIGFjcGkgZ2VkIHN1cHBvcnQ=?= Content-Type: text/plain; charset="utf-8" X-MAIL: mse-fl1.zte.com.cn 6192PhpW092062 X-TLS: YES X-SPF-DOMAIN: zte.com.cn X-ENVELOPE-SENDER: liu.xuemei1@zte.com.cn X-SPF: None X-SOURCE-IP: 10.5.228.132 unknown Mon, 09 Feb 2026 10:25:48 +0800 X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 698945AC.000/4f8T7w1Dljz4xQX7 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=183.62.165.209; envelope-from=liu.xuemei1@zte.com.cn; helo=mxct.zte.com.cn X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, CTE_8BIT_MISMATCH=0.951, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=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 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: 1770603971314154100 Content-Transfer-Encoding: quoted-printable From: Xuemei Liu This patch adds ACPI Generic Event Device (GED) support to the RISC-V virt machine. Co-authored-by: Bj=C3=B6rn T=C3=B6pel Signed-off-by: Xuemei Liu --- hw/riscv/Kconfig | 1 + hw/riscv/virt-acpi-build.c | 6 ++++++ hw/riscv/virt.c | 23 +++++++++++++++++++++++ include/hw/riscv/virt.h | 3 +++ 4 files changed, 33 insertions(+) diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index 0222c93f87..3dad43669f 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -68,6 +68,7 @@ config RISCV_VIRT select PLATFORM_BUS select ACPI select ACPI_PCI + select ACPI_HW_REDUCED config SHAKTI_C bool diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index f1406cb683..1717b1c24f 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -27,6 +27,7 @@ #include "hw/acpi/acpi-defs.h" #include "hw/acpi/acpi.h" #include "hw/acpi/aml-build.h" +#include "hw/acpi/generic_event_device.h" #include "hw/acpi/pci.h" #include "hw/acpi/utils.h" #include "hw/intc/riscv_aclint.h" @@ -498,6 +499,11 @@ static void build_dsdt(GArray *table_data, acpi_dsdt_add_gpex_host(scope, PCIE_IRQ + VIRT_IRQCHIP_NUM_SOURCES= * 2); } + build_ged_aml(scope, "\\_SB."GED_DEVICE, + HOTPLUG_HANDLER(s->acpi_ged), + ACPI_GED_IRQ, AML_SYSTEM_MEMORY, + s->memmap[VIRT_ACPI_GED].base); + aml_append(dsdt, scope); /* copy AML table into ACPI tables blob and patch header there */ diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index bd8608ea5b..1d7011b952 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -55,6 +55,7 @@ #include "hw/pci-host/gpex.h" #include "hw/display/ramfb.h" #include "hw/acpi/aml-build.h" +#include "hw/acpi/generic_event_device.h" #include "qapi/qapi-visit-common.h" #include "hw/virtio/virtio-iommu.h" #include "hw/uefi/var-service-api.h" @@ -95,6 +96,7 @@ static const MemMapEntry virt_memmap[] =3D { [VIRT_UART0] =3D { 0x10000000, 0x100 }, [VIRT_VIRTIO] =3D { 0x10001000, 0x1000 }, [VIRT_FW_CFG] =3D { 0x10100000, 0x18 }, + [VIRT_ACPI_GED] =3D { 0x10101000, ACPI_GED_EVT_SEL_LEN }, [VIRT_FLASH] =3D { 0x20000000, 0x4000000 }, [VIRT_IMSIC_M] =3D { 0x24000000, VIRT_IMSIC_MAX_SIZE }, [VIRT_IMSIC_S] =3D { 0x28000000, VIRT_IMSIC_MAX_SIZE }, @@ -1270,6 +1272,22 @@ static inline DeviceState *gpex_pcie_init(MemoryRegi= on *sys_mem, return dev; } +static DeviceState *create_acpi_ged(RISCVVirtState *s, DeviceState *irqchi= p) +{ + DeviceState *dev; + uint32_t event =3D ACPI_GED_PWR_DOWN_EVT; + + dev =3D qdev_new(TYPE_ACPI_GED); + qdev_prop_set_uint32(dev, "ged-event", event); + sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, s->memmap[VIRT_ACPI_GED].base); + sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, + qdev_get_gpio_in(irqchip, ACPI_GED_IRQ)); + + return dev; +} + static FWCfgState *create_fw_cfg(const MachineState *ms, hwaddr base) { FWCfgState *fw_cfg; @@ -1702,6 +1720,11 @@ static void virt_machine_init(MachineState *machine) create_platform_bus(s, mmio_irqchip); + /* acpi ged */ + if (virt_is_acpi_enabled(s)) { + s->acpi_ged =3D create_acpi_ged(s, mmio_irqchip); + } + serial_mm_init(system_memory, s->memmap[VIRT_UART0].base, 0, qdev_get_gpio_in(mmio_irqchip, UART0_IRQ), 399193, serial_hd(0), DEVICE_LITTLE_ENDIAN); diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h index 18a2a323a3..9ea0b3b7b6 100644 --- a/include/hw/riscv/virt.h +++ b/include/hw/riscv/virt.h @@ -47,6 +47,7 @@ struct RISCVVirtState { /*< public >*/ Notifier machine_done; + DeviceState *acpi_ged; DeviceState *platform_bus_dev; RISCVHartArrayState soc[VIRT_SOCKETS_MAX]; DeviceState *irqchip[VIRT_SOCKETS_MAX]; @@ -88,9 +89,11 @@ enum { VIRT_PLATFORM_BUS, VIRT_PCIE_ECAM, VIRT_IOMMU_SYS, + VIRT_ACPI_GED, }; enum { + ACPI_GED_IRQ =3D 9, UART0_IRQ =3D 10, RTC_IRQ =3D 11, VIRTIO_IRQ =3D 1, /* 1 to 8 */ --=20 2.27.0