static void pc_init1(ram_addr_t ram_size, int vga_ram_size, const char *boot_device, DisplayState *ds, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, int pci_enabled, const char *cpu_model) { char buf[1024]; int ret, linux_boot, i; ram_addr_t ram_addr, vga_ram_addr, bios_offset, vga_bios_offset; ram_addr_t below_4g_mem_size, above_4g_mem_size = 0; int bios_size, isa_bios_size, vga_bios_size; PCIBus *pci_bus; int piix3_devfn = -1; CPUState *env; qemu_irq *cpu_irq; qemu_irq *i8259; int index; BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; BlockDriverState *fd[MAX_FD]; if (ram_size >= 0xe0000000 ) { above_4g_mem_size = ram_size - 0xe0000000; below_4g_mem_size = 0xe0000000; } else { below_4g_mem_size = ram_size; } linux_boot = (kernel_filename != NULL); /* init CPUs */ if (cpu_model == NULL) { #ifdef TARGET_X86_64 cpu_model = "qemu64"; #else cpu_model = "qemu32"; #endif } for(i = 0; i < smp_cpus; i++) { env = cpu_init(cpu_model); if (!env) { fprintf(stderr, "Unable to find x86 CPU definition\n"); exit(1); } if (i != 0) env->halted = 1; if (smp_cpus > 1) { /* XXX: enable it in all cases */ env->cpuid_features |= CPUID_APIC; } qemu_register_reset(main_cpu_reset, env); if (pci_enabled) { apic_init(env); } } vmport_init(); /* allocate RAM */ ram_addr = qemu_ram_alloc(0xa0000); cpu_register_physical_memory(0, 0xa0000, ram_addr); /* Allocate, even though we won't register, so we don't break the * phys_ram_base + PA assumption. This range includes vga (0xa0000 - 0xc0000), * and some bios areas, which will be registered later */ ram_addr = qemu_ram_alloc(0x100000 - 0xa0000); ram_addr = qemu_ram_alloc(below_4g_mem_size - 0x100000); cpu_register_physical_memory(0x100000, below_4g_mem_size - 0x100000, ram_addr); /* above 4giga memory allocation */ if (above_4g_mem_size > 0) { ram_addr = qemu_ram_alloc(above_4g_mem_size); cpu_register_physical_memory(0x100000000ULL, above_4g_mem_size, ram_addr); } /* allocate VGA RAM */ vga_ram_addr = qemu_ram_alloc(vga_ram_size); /* BIOS load */ if (bios_name == NULL) bios_name = BIOS_FILENAME; snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); bios_size = get_image_size(buf); if (bios_size <= 0 || (bios_size % 65536) != 0) { goto bios_error; } bios_offset = qemu_ram_alloc(bios_size); ret = load_image(buf, phys_ram_base + bios_offset); if (ret != bios_size) { bios_error: fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", buf); exit(1); } if (cirrus_vga_enabled || std_vga_enabled || vmsvga_enabled) { /* VGA BIOS load */ if (cirrus_vga_enabled) { snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME); } else { snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME); } vga_bios_size = get_image_size(buf); if (vga_bios_size <= 0 || vga_bios_size > 65536) goto vga_bios_error; vga_bios_offset = qemu_ram_alloc(65536); ret = load_image(buf, phys_ram_base + vga_bios_offset); if (ret != vga_bios_size) { vga_bios_error: fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf); exit(1); } } /* setup basic memory access */ cpu_register_physical_memory(0xc0000, 0x10000, vga_bios_offset | IO_MEM_ROM); /* map the last 128KB of the BIOS in ISA space */ isa_bios_size = bios_size; if (isa_bios_size > (128 * 1024)) isa_bios_size = 128 * 1024; cpu_register_physical_memory(0x100000 - isa_bios_size, isa_bios_size, (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM); { ram_addr_t option_rom_offset; int size, offset; offset = 0; if (linux_boot) { option_rom_offset = qemu_ram_alloc(TARGET_PAGE_SIZE); load_linux(phys_ram_base + option_rom_offset, kernel_filename, initrd_filename, kernel_cmdline); cpu_register_physical_memory(0xd0000, TARGET_PAGE_SIZE, option_rom_offset | IO_MEM_ROM); offset = TARGET_PAGE_SIZE; } for (i = 0; i < nb_option_roms; i++) { size = get_image_size(option_rom[i]); if (size < 0) { fprintf(stderr, "Could not load option rom '%s'\n", option_rom[i]); exit(1); } if (size > (0x10000 - offset)) goto option_rom_error; option_rom_offset = qemu_ram_alloc(size); ret = load_image(option_rom[i], phys_ram_base + option_rom_offset); if (ret != size) { option_rom_error: fprintf(stderr, "Too many option ROMS\n"); exit(1); } size = (size + 4095) & ~4095; cpu_register_physical_memory(0xd0000 + offset, size, option_rom_offset | IO_MEM_ROM); offset += size; } } /* map all the bios at the top of memory */ cpu_register_physical_memory((uint32_t)(-bios_size), bios_size, bios_offset | IO_MEM_ROM); bochs_bios_init(); cpu_irq = qemu_allocate_irqs(pic_irq_request, NULL, 1); i8259 = i8259_init(cpu_irq[0]); ferr_irq = i8259[13]; if (pci_enabled) { pci_bus = i440fx_init(&i440fx_state, i8259); piix3_devfn = piix3_init(pci_bus, -1); } else { pci_bus = NULL; } /* init basic PC hardware */ register_ioport_write(0x80, 1, 1, ioport80_write, NULL); register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL); if (cirrus_vga_enabled) { if (pci_enabled) { pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr, vga_ram_addr, vga_ram_size); } else { isa_cirrus_vga_init(ds, phys_ram_base + vga_ram_addr, vga_ram_addr, vga_ram_size); } } else if (vmsvga_enabled) { if (pci_enabled) pci_vmsvga_init(pci_bus, ds, phys_ram_base + vga_ram_addr, vga_ram_addr, vga_ram_size); else fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__); } else if (std_vga_enabled) { if (pci_enabled) { pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr, vga_ram_addr, vga_ram_size, 0, 0); } else { isa_vga_init(ds, phys_ram_base + vga_ram_addr, vga_ram_addr, vga_ram_size); } } rtc_state = rtc_init(0x70, i8259[8]); qemu_register_boot_set(pc_boot_set, rtc_state); register_ioport_read(0x92, 1, 1, ioport92_read, NULL); register_ioport_write(0x92, 1, 1, ioport92_write, NULL); if (pci_enabled) { ioapic = ioapic_init(); } pit = pit_init(0x40, i8259[0]); pcspk_init(pit); if (!no_hpet) { hpet_init(i8259); } if (pci_enabled) { pic_set_alt_irq_func(isa_pic, ioapic_set_irq, ioapic); } for(i = 0; i < MAX_SERIAL_PORTS; i++) { if (serial_hds[i]) { serial_init(serial_io[i], i8259[serial_irq[i]], 115200, serial_hds[i]); } } for(i = 0; i < MAX_PARALLEL_PORTS; i++) { if (parallel_hds[i]) { parallel_init(parallel_io[i], i8259[parallel_irq[i]], parallel_hds[i]); } } for(i = 0; i < nb_nics; i++) { NICInfo *nd = &nd_table[i]; if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0)) pc_init_ne2k_isa(nd, i8259); else pci_nic_init(pci_bus, nd, -1, "ne2k_pci"); } if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) { fprintf(stderr, "qemu: too many IDE bus\n"); exit(1); } for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) { index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); if (index != -1) hd[i] = drives_table[index].bdrv; else hd[i] = NULL; } if (pci_enabled) { pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1, i8259); } else { for(i = 0; i < MAX_IDE_BUS; i++) { isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]], hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); } } i8042_init(i8259[1], i8259[12], 0x60); DMA_init(0); #ifdef HAS_AUDIO audio_init(pci_enabled ? pci_bus : NULL, i8259); #endif for(i = 0; i < MAX_FD; i++) { index = drive_get_index(IF_FLOPPY, 0, i); if (index != -1) fd[i] = drives_table[index].bdrv; else fd[i] = NULL; } floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd); cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, hd); if (pci_enabled && usb_enabled) { usb_uhci_piix3_init(pci_bus, piix3_devfn + 2); } if (pci_enabled && acpi_enabled) { uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */ i2c_bus *smbus; /* TODO: Populate SPD eeprom data. */ smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, i8259[9]); for (i = 0; i < 8; i++) { smbus_eeprom_device_init(smbus, 0x50 + i, eeprom_buf + (i * 256)); } } if (i440fx_state) { i440fx_init_memory_mappings(i440fx_state); } if (pci_enabled) { int max_bus; int bus, unit; void *scsi; max_bus = drive_get_max_bus(IF_SCSI); for (bus = 0; bus <= max_bus; bus++) { scsi = lsi_scsi_init(pci_bus, -1); for (unit = 0; unit < LSI_MAX_DEVS; unit++) { index = drive_get_index(IF_SCSI, bus, unit); if (index == -1) continue; lsi_scsi_attach(scsi, drives_table[index].bdrv, unit); } } } /* Add virtio block devices */ if (pci_enabled) { int index; int unit_id = 0; while ((index = drive_get_index(IF_VIRTIO, 0, unit_id)) != -1) { virtio_blk_init(pci_bus, drives_table[index].bdrv); unit_id++; } } /* Add virtio balloon device */ if (pci_enabled) virtio_balloon_init(pci_bus); /* Add virtio console devices */ if (pci_enabled) { for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { if (virtcon_hds[i]) virtio_console_init(pci_bus, virtcon_hds[i]); } } }