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https://github.com/Motorhead1991/qemu.git
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25cdac981f
On LoongArch virt machine, ACPI GED hardware is used for CPU hotplug handler, here CPU hotplug support feature is added based on GED handler, also CPU scan and reject method is added about CPU device in DSDT table. Co-developed-by: Xianglai Li <lixianglai@loongson.cn> Signed-off-by: Bibo Mao <maobibo@loongson.cn>
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Definitions for loongarch board emulation.
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*
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* Copyright (C) 2021 Loongson Technology Corporation Limited
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*/
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#ifndef HW_LOONGARCH_H
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#define HW_LOONGARCH_H
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#include "hw/boards.h"
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#include "qemu/queue.h"
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#include "hw/block/flash.h"
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#include "hw/loongarch/boot.h"
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#define LOONGARCH_MAX_CPUS 256
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#define VIRT_FWCFG_BASE 0x1e020000UL
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#define VIRT_BIOS_BASE 0x1c000000UL
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#define VIRT_BIOS_SIZE (16 * MiB)
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#define VIRT_FLASH_SECTOR_SIZE (256 * KiB)
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#define VIRT_FLASH0_BASE VIRT_BIOS_BASE
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#define VIRT_FLASH0_SIZE VIRT_BIOS_SIZE
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#define VIRT_FLASH1_BASE 0x1d000000UL
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#define VIRT_FLASH1_SIZE (16 * MiB)
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#define VIRT_LOWMEM_BASE 0
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#define VIRT_LOWMEM_SIZE 0x10000000
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#define VIRT_HIGHMEM_BASE 0x80000000
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#define VIRT_GED_EVT_ADDR 0x100e0000
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#define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN)
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#define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN)
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#define VIRT_GED_CPUHP_ADDR (VIRT_GED_REG_ADDR + ACPI_GED_REG_COUNT)
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#define COMMAND_LINE_SIZE 512
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#define FDT_BASE 0x100000
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struct LoongArchVirtMachineState {
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/*< private >*/
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MachineState parent_obj;
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MemoryRegion lowmem;
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MemoryRegion highmem;
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MemoryRegion bios;
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bool bios_loaded;
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/* State for other subsystems/APIs: */
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FWCfgState *fw_cfg;
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Notifier machine_done;
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Notifier powerdown_notifier;
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OnOffAuto acpi;
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OnOffAuto veiointc;
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char *oem_id;
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char *oem_table_id;
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DeviceState *acpi_ged;
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int fdt_size;
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DeviceState *platform_bus_dev;
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PCIBus *pci_bus;
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PFlashCFI01 *flash[2];
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MemoryRegion system_iocsr;
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MemoryRegion iocsr_mem;
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AddressSpace as_iocsr;
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struct loongarch_boot_info bootinfo;
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DeviceState *ipi;
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DeviceState *extioi;
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};
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#define TYPE_LOONGARCH_VIRT_MACHINE MACHINE_TYPE_NAME("virt")
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OBJECT_DECLARE_SIMPLE_TYPE(LoongArchVirtMachineState, LOONGARCH_VIRT_MACHINE)
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void virt_acpi_setup(LoongArchVirtMachineState *lvms);
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void virt_fdt_setup(LoongArchVirtMachineState *lvms);
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static inline bool virt_is_veiointc_enabled(LoongArchVirtMachineState *lvms)
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{
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if (lvms->veiointc == ON_OFF_AUTO_OFF) {
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return false;
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}
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return true;
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}
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#endif
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