static void r2d_init(MachineState *machine) { 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; SuperHCPU *cpu; CPUSH4State *env; ResetData *reset_info; struct SH7750State *s; MemoryRegion *sdram = g_new(MemoryRegion, 1); qemu_irq *irq; DriveInfo *dinfo; int i; DeviceState *dev; SysBusDevice *busdev; MemoryRegion *address_space_mem = get_system_memory(); PCIBus *pci_bus; if (cpu_model == NULL) { cpu_model = "SH7751R"; } cpu = cpu_sh4_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->pc; qemu_register_reset(main_cpu_reset, reset_info); /* Allocate memory space */ memory_region_init_ram(sdram, NULL, "r2d.sdram", SDRAM_SIZE, &error_abort); vmstate_register_ram_global(sdram); memory_region_add_subregion(address_space_mem, SDRAM_BASE, sdram); /* Register peripherals */ s = sh7750_init(cpu, address_space_mem); irq = r2d_fpga_init(address_space_mem, 0x04000000, sh7750_irl(s)); dev = qdev_create(NULL, "sh_pci"); busdev = SYS_BUS_DEVICE(dev); qdev_init_nofail(dev); pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci")); sysbus_mmio_map(busdev, 0, P4ADDR(0x1e200000)); sysbus_mmio_map(busdev, 1, A7ADDR(0x1e200000)); sysbus_connect_irq(busdev, 0, irq[PCI_INTA]); sysbus_connect_irq(busdev, 1, irq[PCI_INTB]); sysbus_connect_irq(busdev, 2, irq[PCI_INTC]); sysbus_connect_irq(busdev, 3, irq[PCI_INTD]); sm501_init(address_space_mem, 0x10000000, SM501_VRAM_SIZE, irq[SM501], serial_hds[2]); /* onboard CF (True IDE mode, Master only). */ dinfo = drive_get(IF_IDE, 0, 0); dev = qdev_create(NULL, "mmio-ide"); busdev = SYS_BUS_DEVICE(dev); sysbus_connect_irq(busdev, 0, irq[CF_IDE]); qdev_prop_set_uint32(dev, "shift", 1); qdev_init_nofail(dev); sysbus_mmio_map(busdev, 0, 0x14001000); sysbus_mmio_map(busdev, 1, 0x1400080c); mmio_ide_init_drives(dev, dinfo, NULL); /* onboard flash memory */ dinfo = drive_get(IF_PFLASH, 0, 0); pflash_cfi02_register(0x0, NULL, "r2d.flash", FLASH_SIZE, dinfo ? blk_bs(blk_by_legacy_dinfo(dinfo)) : NULL, (16 * 1024), FLASH_SIZE >> 16, 1, 4, 0x0000, 0x0000, 0x0000, 0x0000, 0x555, 0x2aa, 0); /* NIC: rtl8139 on-board, and 2 slots. */ for (i = 0; i < nb_nics; i++) pci_nic_init_nofail(&nd_table[i], pci_bus, "rtl8139", i==0 ? "2" : NULL); /* USB keyboard */ usbdevice_create("keyboard"); /* Todo: register on board registers */ memset(&boot_params, 0, sizeof(boot_params)); if (kernel_filename) { int kernel_size; kernel_size = load_image_targphys(kernel_filename, SDRAM_BASE + LINUX_LOAD_OFFSET, INITRD_LOAD_OFFSET - LINUX_LOAD_OFFSET); if (kernel_size < 0) { fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); exit(1); } /* initialization which should be done by firmware */ stl_phys(&address_space_memory, SH7750_BCR1, 1<<3); /* cs3 SDRAM */ stw_phys(&address_space_memory, SH7750_BCR2, 3<<(3*2)); /* cs3 32bit */ reset_info->vector = (SDRAM_BASE + LINUX_LOAD_OFFSET) | 0xa0000000; /* Start from P2 area */ } if (initrd_filename) { int initrd_size; initrd_size = load_image_targphys(initrd_filename, SDRAM_BASE + INITRD_LOAD_OFFSET, SDRAM_SIZE - INITRD_LOAD_OFFSET); if (initrd_size < 0) { fprintf(stderr, "qemu: could not load initrd '%s'\n", initrd_filename); exit(1); } /* initialization which should be done by firmware */ boot_params.loader_type = 1; boot_params.initrd_start = INITRD_LOAD_OFFSET; boot_params.initrd_size = initrd_size; } if (kernel_cmdline) { /* I see no evidence that this .kernel_cmdline buffer requires NUL-termination, so using strncpy should be ok. */ strncpy(boot_params.kernel_cmdline, kernel_cmdline, sizeof(boot_params.kernel_cmdline)); } rom_add_blob_fixed("boot_params", &boot_params, sizeof(boot_params), SDRAM_BASE + BOOT_PARAMS_OFFSET); }