void xbox_init_common(MachineState *machine,
const uint8_t *eeprom,
PCIBus **pci_bus_out,
ISABus **isa_bus_out)
{
PCMachineState *pcms = PC_MACHINE(machine);
// PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
MemoryRegion *system_memory = get_system_memory();
// MemoryRegion *system_io = get_system_io();
int i;
PCIBus *pci_bus;
ISABus *isa_bus;
qemu_irq *i8259;
// qemu_irq smi_irq; // XBOX_TODO: SMM support?
GSIState *gsi_state;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
BusState *idebus[MAX_IDE_BUS];
ISADevice *rtc_state;
// ISADevice *pit;
MemoryRegion *ram_memory;
MemoryRegion *pci_memory;
MemoryRegion *rom_memory;
I2CBus *smbus;
PCIBus *agp_bus;
pc_cpus_init(pcms);
pci_memory = g_new(MemoryRegion, 1);
memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
rom_memory = pci_memory;
// pc_guest_info_init(pcms);
/* allocate ram and load rom/bios */
xbox_memory_init(pcms, system_memory, rom_memory, &ram_memory);
gsi_state = g_malloc0(sizeof(*gsi_state));
pcms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
xbox_pci_init(pcms->gsi,
get_system_memory(), get_system_io(),
pci_memory, ram_memory,
&pci_bus,
&isa_bus,
&smbus,
&agp_bus);
pcms->bus = pci_bus;
isa_bus_irqs(isa_bus, pcms->gsi);
i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq());
for (i = 0; i < ISA_NUM_IRQS; i++) {
gsi_state->i8259_irq[i] = i8259[i];
}
g_free(i8259);
pc_register_ferr_irq(pcms->gsi[13]);
/* init basic PC hardware */
pcms->pit = 1; // XBOX_FIXME: What's the right way to do this?
rtc_state = mc146818_rtc_init(isa_bus, 2000, NULL);
// qemu_register_boot_set(pc_boot_set, rtc_state);
ISADevice *pit = i8254_pit_init(isa_bus, 0x40, 0, NULL);
pcspk_init(isa_bus, pit);
ide_drive_get(hd, ARRAY_SIZE(hd));
PCIDevice *ide_dev = pci_piix3_ide_init(pci_bus, hd, PCI_DEVFN(9, 0));
idebus[0] = qdev_get_child_bus(&ide_dev->qdev, "ide.0");
idebus[1] = qdev_get_child_bus(&ide_dev->qdev, "ide.1");
// xbox bios wants this bit pattern set to mark the data as valid
uint8_t bits = 0x55;
for (i = 0x10; i < 0x70; i++) {
rtc_set_memory(rtc_state, i, bits);
bits = ~bits;
}
bits = 0x55;
for (i = 0x80; i < 0x100; i++) {
rtc_set_memory(rtc_state, i, bits);
bits = ~bits;
}
/* smbus devices */
uint8_t *eeprom_buf = g_malloc0(256);
memcpy(eeprom_buf, eeprom, 256);
smbus_eeprom_init_one(smbus, 0x54, eeprom_buf);
smbus_xbox_smc_init(smbus, 0x10);
smbus_cx25871_init(smbus, 0x45);
smbus_adm1032_init(smbus, 0x4c);
/* USB */
PCIDevice *usb1 = pci_create(pci_bus, PCI_DEVFN(3, 0), "pci-ohci");
qdev_prop_set_uint32(&usb1->qdev, "num-ports", 4);
qdev_init_nofail(&usb1->qdev);
PCIDevice *usb0 = pci_create(pci_bus, PCI_DEVFN(2, 0), "pci-ohci");
qdev_prop_set_uint32(&usb0->qdev, "num-ports", 4);
qdev_init_nofail(&usb0->qdev);
/* Ethernet! */
PCIDevice *nvnet = pci_create(pci_bus, PCI_DEVFN(4, 0), "nvnet");
for (i = 0; i < nb_nics; i++) {
NICInfo *nd = &nd_table[i];
qemu_check_nic_model(nd, "nvnet");
qdev_set_nic_properties(&nvnet->qdev, nd);
qdev_init_nofail(&nvnet->qdev);
}
/* APU! */
mcpx_apu_init(pci_bus, PCI_DEVFN(5, 0), ram_memory);
/* ACI! */
pci_create_simple(pci_bus, PCI_DEVFN(6, 0), "mcpx-aci");
/* GPU! */
nv2a_init(agp_bus, PCI_DEVFN(0, 0), ram_memory);
if (pci_bus_out) {
*pci_bus_out = pci_bus;
}
if (isa_bus_out) {
*isa_bus_out = isa_bus;
}
}
static
void mips_r4k_init(MachineState *machine)
{
ram_addr_t ram_size = machine->ram_size;
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 */
cpu = MIPS_CPU(cpu_create(machine->cpu_type));
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)) {
error_report("Too much memory for this machine: %dMB, maximum 256MB",
((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);
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 */
warn_report("could not load MIPS bios '%s'", 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(cpu);
cpu_mips_clock_init(cpu);
/* 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);
mc146818_rtc_init(isa_bus, 2000, NULL);
pit = i8254_pit_init(isa_bus, 0x40, 0, NULL);
serial_hds_isa_init(isa_bus, 0, 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, TYPE_I8042);
}