static int pci_pcnet_init(PCIDevice *pci_dev)
{
PCIPCNetState *d = DO_UPCAST(PCIPCNetState, pci_dev, pci_dev);
PCNetState *s = &d->state;
uint8_t *pci_conf;
#if 0
printf("sizeof(RMD)=%d, sizeof(TMD)=%d\n",
sizeof(struct pcnet_RMD), sizeof(struct pcnet_TMD));
#endif
pci_conf = pci_dev->config;
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_AMD);
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_AMD_LANCE);
pci_set_word(pci_conf + PCI_STATUS,
PCI_STATUS_FAST_BACK | PCI_STATUS_DEVSEL_MEDIUM);
pci_conf[PCI_REVISION_ID] = 0x10;
pci_config_set_class(pci_conf, PCI_CLASS_NETWORK_ETHERNET);
pci_set_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID, 0x0);
pci_set_word(pci_conf + PCI_SUBSYSTEM_ID, 0x0);
pci_conf[PCI_INTERRUPT_PIN] = 1; // interrupt pin 0
pci_conf[PCI_MIN_GNT] = 0x06;
pci_conf[PCI_MAX_LAT] = 0xff;
/* Handler for memory-mapped I/O */
s->mmio_index =
cpu_register_io_memory(pcnet_mmio_read, pcnet_mmio_write, &d->state,
DEVICE_NATIVE_ENDIAN);
pci_register_bar(pci_dev, 0, PCNET_IOPORT_SIZE,
PCI_BASE_ADDRESS_SPACE_IO, pcnet_ioport_map);
pci_register_bar_simple(pci_dev, 1, PCNET_PNPMMIO_SIZE, 0, s->mmio_index);
s->irq = pci_dev->irq[0];
s->phys_mem_read = pci_physical_memory_read;
s->phys_mem_write = pci_physical_memory_write;
if (!pci_dev->qdev.hotplugged) {
static int loaded = 0;
if (!loaded) {
rom_add_option("pxe-pcnet.rom", -1);
loaded = 1;
}
}
return pcnet_common_init(&pci_dev->qdev, s, &net_pci_pcnet_info);
}
static int pci_pcnet_init(PCIDevice *pci_dev)
{
PCIPCNetState *d = DO_UPCAST(PCIPCNetState, pci_dev, pci_dev);
PCNetState *s = &d->state;
uint8_t *pci_conf;
#if 0
printf("sizeof(RMD)=%d, sizeof(TMD)=%d\n",
sizeof(struct pcnet_RMD), sizeof(struct pcnet_TMD));
#endif
pci_conf = pci_dev->config;
pci_set_word(pci_conf + PCI_STATUS,
PCI_STATUS_FAST_BACK | PCI_STATUS_DEVSEL_MEDIUM);
pci_set_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID, 0x0);
pci_set_word(pci_conf + PCI_SUBSYSTEM_ID, 0x0);
pci_conf[PCI_INTERRUPT_PIN] = 1; /* interrupt pin A */
pci_conf[PCI_MIN_GNT] = 0x06;
pci_conf[PCI_MAX_LAT] = 0xff;
/* Handler for memory-mapped I/O */
memory_region_init_io(&d->state.mmio, &pcnet_mmio_ops, s, "pcnet-mmio",
PCNET_PNPMMIO_SIZE);
memory_region_init_io(&d->io_bar, &pcnet_io_ops, s, "pcnet-io",
PCNET_IOPORT_SIZE);
pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->io_bar);
pci_register_bar(pci_dev, 1, 0, &s->mmio);
s->irq = pci_dev->irq[0];
s->phys_mem_read = pci_physical_memory_read;
s->phys_mem_write = pci_physical_memory_write;
if (!pci_dev->qdev.hotplugged) {
static int loaded = 0;
if (!loaded) {
rom_add_option("pxe-pcnet.rom", -1);
loaded = 1;
}
}
return pcnet_common_init(&pci_dev->qdev, s, &net_pci_pcnet_info);
}
void pc_memory_init(ram_addr_t ram_size,
const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
ram_addr_t *below_4g_mem_size_p,
ram_addr_t *above_4g_mem_size_p)
{
char *filename;
int ret, linux_boot, i;
ram_addr_t ram_addr, bios_offset, option_rom_offset;
ram_addr_t below_4g_mem_size, above_4g_mem_size = 0;
int bios_size, isa_bios_size;
void *fw_cfg;
if (ram_size >= 0xe0000000 ) {
above_4g_mem_size = ram_size - 0xe0000000;
below_4g_mem_size = 0xe0000000;
} else {
below_4g_mem_size = ram_size;
}
*above_4g_mem_size_p = above_4g_mem_size;
*below_4g_mem_size_p = below_4g_mem_size;
#if TARGET_PHYS_ADDR_BITS == 32
if (above_4g_mem_size > 0) {
hw_error("To much RAM for 32-bit physical address");
}
#endif
linux_boot = (kernel_filename != NULL);
/* allocate RAM */
ram_addr = qemu_ram_alloc(NULL, "pc.ram",
below_4g_mem_size + above_4g_mem_size);
cpu_register_physical_memory(0, 0xa0000, ram_addr);
cpu_register_physical_memory(0x100000,
below_4g_mem_size - 0x100000,
ram_addr + 0x100000);
#if TARGET_PHYS_ADDR_BITS > 32
if (above_4g_mem_size > 0) {
cpu_register_physical_memory(0x100000000ULL, above_4g_mem_size,
ram_addr + below_4g_mem_size);
}
#endif
/* BIOS load */
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;
}
if (bios_size <= 0 ||
(bios_size % 65536) != 0) {
goto bios_error;
}
bios_offset = qemu_ram_alloc(NULL, "pc.bios", bios_size);
ret = rom_add_file_fixed(bios_name, (uint32_t)(-bios_size));
if (ret != 0) {
bios_error:
fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", bios_name);
exit(1);
}
if (filename) {
qemu_free(filename);
}
/* 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);
option_rom_offset = qemu_ram_alloc(NULL, "pc.rom", PC_ROM_SIZE);
cpu_register_physical_memory(PC_ROM_MIN_VGA, PC_ROM_SIZE, option_rom_offset);
/* map all the bios at the top of memory */
cpu_register_physical_memory((uint32_t)(-bios_size),
bios_size, bios_offset | IO_MEM_ROM);
fw_cfg = bochs_bios_init();
rom_set_fw(fw_cfg);
if (linux_boot) {
load_linux(fw_cfg, kernel_filename, initrd_filename, kernel_cmdline, below_4g_mem_size);
}
for (i = 0; i < nb_option_roms; i++) {
rom_add_option(option_rom[i]);
}
}