static void sun4uv_init(MemoryRegion *address_space_mem, MachineState *machine, const struct hwdef *hwdef) { SPARCCPU *cpu; Nvram *nvram; unsigned int i; uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry; PCIBus *pci_bus, *pci_bus2, *pci_bus3; ISABus *isa_bus; SysBusDevice *s; qemu_irq *ivec_irqs, *pbm_irqs; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; DriveInfo *fd[MAX_FD]; FWCfgState *fw_cfg; /* init CPUs */ cpu = cpu_devinit(machine->cpu_model, hwdef); /* set up devices */ ram_init(0, machine->ram_size); prom_init(hwdef->prom_addr, bios_name); ivec_irqs = qemu_allocate_irqs(cpu_set_ivec_irq, cpu, IVEC_MAX); pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, ivec_irqs, &pci_bus2, &pci_bus3, &pbm_irqs); pci_vga_init(pci_bus); // XXX Should be pci_bus3 isa_bus = pci_ebus_init(pci_bus, -1, pbm_irqs); i = 0; if (hwdef->console_serial_base) { serial_mm_init(address_space_mem, hwdef->console_serial_base, 0, NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN); i++; } serial_hds_isa_init(isa_bus, MAX_SERIAL_PORTS); parallel_hds_isa_init(isa_bus, MAX_PARALLEL_PORTS); for(i = 0; i < nb_nics; i++) pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL); ide_drive_get(hd, ARRAY_SIZE(hd)); pci_cmd646_ide_init(pci_bus, hd, 1); isa_create_simple(isa_bus, "i8042"); for(i = 0; i < MAX_FD; i++) { fd[i] = drive_get(IF_FLOPPY, 0, i); } fdctrl_init_isa(isa_bus, fd); /* Map NVRAM into I/O (ebus) space */ nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59); s = SYS_BUS_DEVICE(nvram); memory_region_add_subregion(get_system_io(), 0x2000, sysbus_mmio_get_region(s, 0)); initrd_size = 0; initrd_addr = 0; kernel_size = sun4u_load_kernel(machine->kernel_filename, machine->initrd_filename, ram_size, &initrd_size, &initrd_addr, &kernel_addr, &kernel_entry); sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size, machine->boot_order, kernel_addr, kernel_size, machine->kernel_cmdline, initrd_addr, initrd_size, /* XXX: need an option to load a NVRAM image */ 0, graphic_width, graphic_height, graphic_depth, (uint8_t *)&nd_table[0].macaddr); fw_cfg = fw_cfg_init_io(BIOS_CFG_IOPORT); fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus); fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size); fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id); fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry); fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); if (machine->kernel_cmdline) { fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, strlen(machine->kernel_cmdline) + 1); fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline); } else { fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0); } fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr); fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]); fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width); fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height); fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth); qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); }
/* EBUS (Eight bit bus) bridge */ static void ebus_realize(PCIDevice *pci_dev, Error **errp) { EbusState *s = EBUS(pci_dev); SysBusDevice *sbd; DeviceState *dev; qemu_irq *isa_irq; DriveInfo *fd[MAX_FD]; int i; s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(), pci_address_space_io(pci_dev), errp); if (!s->isa_bus) { error_setg(errp, "unable to instantiate EBUS ISA bus"); return; } /* ISA bus */ isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS); isa_bus_irqs(s->isa_bus, isa_irq); qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq", ISA_NUM_IRQS); /* Serial ports */ i = 0; if (s->console_serial_base) { serial_mm_init(pci_address_space(pci_dev), s->console_serial_base, 0, NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN); i++; } serial_hds_isa_init(s->isa_bus, i, MAX_SERIAL_PORTS); /* Parallel ports */ parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS); /* Keyboard */ isa_create_simple(s->isa_bus, "i8042"); /* Floppy */ for (i = 0; i < MAX_FD; i++) { fd[i] = drive_get(IF_FLOPPY, 0, i); } dev = DEVICE(isa_create(s->isa_bus, TYPE_ISA_FDC)); if (fd[0]) { qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]), &error_abort); } if (fd[1]) { qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]), &error_abort); } qdev_prop_set_uint32(dev, "dma", -1); qdev_init_nofail(dev); /* Power */ dev = qdev_create(NULL, TYPE_SUN4U_POWER); qdev_init_nofail(dev); sbd = SYS_BUS_DEVICE(dev); memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240, sysbus_mmio_get_region(sbd, 0)); /* PCI */ pci_dev->config[0x04] = 0x06; // command = bus master, pci mem pci_dev->config[0x05] = 0x00; pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error pci_dev->config[0x07] = 0x03; // status = medium devsel pci_dev->config[0x09] = 0x00; // programming i/f pci_dev->config[0x0D] = 0x0a; // latency_timer memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(), 0, 0x1000000); pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0); memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(), 0, 0x8000); pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1); }
static void mips_r4k_init(MachineState *machine) { ram_addr_t ram_size = machine->ram_size; const char *cpu_model = machine->cpu_model; const char *kernel_filename = machine->kernel_filename; const char *kernel_cmdline = machine->kernel_cmdline; const char *initrd_filename = machine->initrd_filename; char *filename; MemoryRegion *address_space_mem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); MemoryRegion *bios; MemoryRegion *iomem = g_new(MemoryRegion, 1); MemoryRegion *isa_io = g_new(MemoryRegion, 1); MemoryRegion *isa_mem = g_new(MemoryRegion, 1); int bios_size; MIPSCPU *cpu; CPUMIPSState *env; ResetData *reset_info; int i; qemu_irq *i8259; ISABus *isa_bus; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; DriveInfo *dinfo; int be; /* init CPUs */ if (cpu_model == NULL) { #ifdef TARGET_MIPS64 cpu_model = "R4000"; #else cpu_model = "24Kf"; #endif } cpu = cpu_mips_init(cpu_model); if (cpu == NULL) { fprintf(stderr, "Unable to find CPU definition\n"); exit(1); } env = &cpu->env; reset_info = g_malloc0(sizeof(ResetData)); reset_info->cpu = cpu; reset_info->vector = env->active_tc.PC; qemu_register_reset(main_cpu_reset, reset_info); /* allocate RAM */ if (ram_size > (256 << 20)) { fprintf(stderr, "qemu: Too much memory for this machine: %d MB, maximum 256 MB\n", ((unsigned int)ram_size / (1 << 20))); exit(1); } memory_region_allocate_system_memory(ram, NULL, "mips_r4k.ram", ram_size); memory_region_add_subregion(address_space_mem, 0, ram); memory_region_init_io(iomem, NULL, &mips_qemu_ops, NULL, "mips-qemu", 0x10000); memory_region_add_subregion(address_space_mem, 0x1fbf0000, iomem); /* Try to load a BIOS image. If this fails, we continue regardless, but initialize the hardware ourselves. When a kernel gets preloaded we also initialize the hardware, since the BIOS wasn't run. */ if (bios_name == NULL) bios_name = BIOS_FILENAME; filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (filename) { bios_size = get_image_size(filename); } else { bios_size = -1; } #ifdef TARGET_WORDS_BIGENDIAN be = 1; #else be = 0; #endif if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) { bios = g_new(MemoryRegion, 1); memory_region_init_ram(bios, NULL, "mips_r4k.bios", BIOS_SIZE, &error_fatal); vmstate_register_ram_global(bios); memory_region_set_readonly(bios, true); memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios); load_image_targphys(filename, 0x1fc00000, BIOS_SIZE); } else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) { uint32_t mips_rom = 0x00400000; if (!pflash_cfi01_register(0x1fc00000, NULL, "mips_r4k.bios", mips_rom, blk_by_legacy_dinfo(dinfo), sector_len, mips_rom / sector_len, 4, 0, 0, 0, 0, be)) { fprintf(stderr, "qemu: Error registering flash memory.\n"); } } else if (!qtest_enabled()) { /* not fatal */ fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n", bios_name); } g_free(filename); if (kernel_filename) { loaderparams.ram_size = ram_size; loaderparams.kernel_filename = kernel_filename; loaderparams.kernel_cmdline = kernel_cmdline; loaderparams.initrd_filename = initrd_filename; reset_info->vector = load_kernel(); } /* Init CPU internal devices */ cpu_mips_irq_init_cpu(env); cpu_mips_clock_init(env); /* ISA bus: IO space at 0x14000000, mem space at 0x10000000 */ memory_region_init_alias(isa_io, NULL, "isa-io", get_system_io(), 0, 0x00010000); memory_region_init(isa_mem, NULL, "isa-mem", 0x01000000); memory_region_add_subregion(get_system_memory(), 0x14000000, isa_io); memory_region_add_subregion(get_system_memory(), 0x10000000, isa_mem); isa_bus = isa_bus_new(NULL, isa_mem, get_system_io(), &error_abort); /* The PIC is attached to the MIPS CPU INT0 pin */ i8259 = i8259_init(isa_bus, env->irq[2]); isa_bus_irqs(isa_bus, i8259); rtc_init(isa_bus, 2000, NULL); pit = pit_init(isa_bus, 0x40, 0, NULL); serial_hds_isa_init(isa_bus, MAX_SERIAL_PORTS); isa_vga_init(isa_bus); if (nd_table[0].used) isa_ne2000_init(isa_bus, 0x300, 9, &nd_table[0]); ide_drive_get(hd, ARRAY_SIZE(hd)); for(i = 0; i < MAX_IDE_BUS; i++) isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i], hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); isa_create_simple(isa_bus, "i8042"); }