include/hw/loongarch/virt.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Definitions for loongarch board emulation.
   4  *
   5  * Copyright (C) 2021 Loongson Technology Corporation Limited
   6  */
   7
   8 #ifndef HW_LOONGARCH_H
   9 #define HW_LOONGARCH_H
  10
  11 #include "target/loongarch/cpu.h"
  12 #include "hw/boards.h"
  13 #include "qemu/queue.h"
  14 #include "hw/intc/loongarch_ipi.h"
  15
  16 #define LOONGARCH_MAX_VCPUS     4
  17
  18 #define LOONGARCH_ISA_IO_BASE   0x18000000UL
  19 #define LOONGARCH_ISA_IO_SIZE   0x0004000
  20 #define VIRT_FWCFG_BASE         0x1e020000UL
  21 #define VIRT_BIOS_BASE          0x1c000000UL
  22 #define VIRT_BIOS_SIZE          (4 * MiB)
  23
  24 #define VIRT_LOWMEM_BASE        0
  25 #define VIRT_LOWMEM_SIZE        0x10000000
  26 #define VIRT_HIGHMEM_BASE       0x90000000
  27 #define VIRT_GED_EVT_ADDR       0x100e0000
  28 #define VIRT_GED_MEM_ADDR       (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN)
  29 #define VIRT_GED_REG_ADDR       (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN)
  30
  31 struct LoongArchMachineState {
  32     /*< private >*/
  33     MachineState parent_obj;
  34
  35     IPICore ipi_core[MAX_IPI_CORE_NUM];
  36     MemoryRegion lowmem;
  37     MemoryRegion highmem;
  38     MemoryRegion isa_io;
  39     MemoryRegion bios;
  40     bool         bios_loaded;
  41     /* State for other subsystems/APIs: */
  42     FWCfgState  *fw_cfg;
  43     Notifier     machine_done;
  44     OnOffAuto    acpi;
  45     char         *oem_id;
  46     char         *oem_table_id;
  47     DeviceState  *acpi_ged;
  48 };
  49
  50 #define TYPE_LOONGARCH_MACHINE  MACHINE_TYPE_NAME("virt")
  51 OBJECT_DECLARE_SIMPLE_TYPE(LoongArchMachineState, LOONGARCH_MACHINE)
  52 bool loongarch_is_acpi_enabled(LoongArchMachineState *lams);
  53 void loongarch_acpi_setup(LoongArchMachineState *lams);
  54 #endif