예제 #1
0
파일: xics.c 프로젝트: wermington/qemu
void xics_cpu_setup(XICSState *icp, PowerPCCPU *cpu)
{
    CPUState *cs = CPU(cpu);
    CPUPPCState *env = &cpu->env;
    ICPState *ss = &icp->ss[cs->cpu_index];
    XICSStateClass *info = XICS_COMMON_GET_CLASS(icp);

    assert(cs->cpu_index < icp->nr_servers);

    ss->cs = cs;

    if (info->cpu_setup) {
        info->cpu_setup(icp, cpu);
    }

    switch (PPC_INPUT(env)) {
    case PPC_FLAGS_INPUT_POWER7:
        ss->output = env->irq_inputs[POWER7_INPUT_INT];
        break;

    case PPC_FLAGS_INPUT_970:
        ss->output = env->irq_inputs[PPC970_INPUT_INT];
        break;

    default:
        error_report("XICS interrupt controller does not support this CPU "
                     "bus model");
        abort();
    }
}
예제 #2
0
파일: xics.c 프로젝트: JunaidLoonat/qemu
void xics_cpu_setup(XICSFabric *xi, PowerPCCPU *cpu)
{
    CPUState *cs = CPU(cpu);
    CPUPPCState *env = &cpu->env;
    ICPState *icp = xics_icp_get(xi, cs->cpu_index);
    ICPStateClass *icpc;

    assert(icp);

    icp->cs = cs;

    icpc = ICP_GET_CLASS(icp);
    if (icpc->cpu_setup) {
        icpc->cpu_setup(icp, cpu);
    }

    switch (PPC_INPUT(env)) {
    case PPC_FLAGS_INPUT_POWER7:
        icp->output = env->irq_inputs[POWER7_INPUT_INT];
        break;

    case PPC_FLAGS_INPUT_970:
        icp->output = env->irq_inputs[PPC970_INPUT_INT];
        break;

    default:
        error_report("XICS interrupt controller does not support this CPU "
                     "bus model");
        abort();
    }
}
예제 #3
0
파일: xics.c 프로젝트: MaddTheSane/qemu
static void icp_realize(DeviceState *dev, Error **errp)
{
    ICPState *icp = ICP(dev);
    PowerPCCPU *cpu;
    CPUPPCState *env;
    Object *obj;
    Error *err = NULL;

    obj = object_property_get_link(OBJECT(dev), ICP_PROP_XICS, &err);
    if (!obj) {
        error_propagate_prepend(errp, err,
                                "required link '" ICP_PROP_XICS
                                "' not found: ");
        return;
    }

    icp->xics = XICS_FABRIC(obj);

    obj = object_property_get_link(OBJECT(dev), ICP_PROP_CPU, &err);
    if (!obj) {
        error_propagate_prepend(errp, err,
                                "required link '" ICP_PROP_CPU
                                "' not found: ");
        return;
    }

    cpu = POWERPC_CPU(obj);
    icp->cs = CPU(obj);

    env = &cpu->env;
    switch (PPC_INPUT(env)) {
    case PPC_FLAGS_INPUT_POWER7:
        icp->output = env->irq_inputs[POWER7_INPUT_INT];
        break;
    case PPC_FLAGS_INPUT_POWER9: /* For SPAPR xics emulation */
        icp->output = env->irq_inputs[POWER9_INPUT_INT];
        break;

    case PPC_FLAGS_INPUT_970:
        icp->output = env->irq_inputs[PPC970_INPUT_INT];
        break;

    default:
        error_setg(errp, "XICS interrupt controller does not support this CPU bus model");
        return;
    }

    if (kvm_irqchip_in_kernel()) {
        icp_kvm_realize(dev, &err);
        if (err) {
            error_propagate(errp, err);
            return;
        }
    }

    qemu_register_reset(icp_reset_handler, dev);
    vmstate_register(NULL, icp->cs->cpu_index, &vmstate_icp_server, icp);
}
예제 #4
0
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_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;
    const char *boot_device = machine->boot_order;
    PowerPCCPU *cpu = NULL;
    CPUPPCState *env = NULL;
    char *filename;
    qemu_irq *pic, **openpic_irqs;
    MemoryRegion *isa = g_new(MemoryRegion, 1);
    MemoryRegion *unin_memory = g_new(MemoryRegion, 1);
    MemoryRegion *unin2_memory = g_new(MemoryRegion, 1);
    int linux_boot, i, j, k;
    MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
    hwaddr kernel_base, initrd_base, cmdline_base = 0;
    long kernel_size, initrd_size;
    PCIBus *pci_bus;
    PCIDevice *macio;
    MACIOIDEState *macio_ide;
    BusState *adb_bus;
    MacIONVRAMState *nvr;
    int bios_size;
    MemoryRegion *pic_mem, *escc_mem;
    MemoryRegion *escc_bar = g_new(MemoryRegion, 1);
    int ppc_boot_device;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    void *fw_cfg;
    int machine_arch;
    SysBusDevice *s;
    DeviceState *dev;
    int *token = g_new(int, 1);
    hwaddr nvram_addr = 0xFFF04000;
    uint64_t tbfreq;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (machine->cpu_model == NULL) {
#ifdef TARGET_PPC64
        machine->cpu_model = "970fx";
#else
        machine->cpu_model = "G4";
#endif
    }
    for (i = 0; i < smp_cpus; i++) {
        cpu = cpu_ppc_init(machine->cpu_model);
        if (cpu == NULL) {
            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
            exit(1);
        }
        env = &cpu->env;

        /* Set time-base frequency to 100 Mhz */
        cpu_ppc_tb_init(env, TBFREQ);
        qemu_register_reset(ppc_core99_reset, cpu);
    }

    /* allocate RAM */
    memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
    memory_region_add_subregion(get_system_memory(), 0, ram);

    /* allocate and load BIOS */
    memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
                           &error_fatal);
    vmstate_register_ram_global(bios);

    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    memory_region_set_readonly(bios, true);
    memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);

    /* Load OpenBIOS (ELF) */
    if (filename) {
        bios_size = load_elf(filename, NULL, NULL, NULL,
                             NULL, NULL, 1, PPC_ELF_MACHINE, 0);

        g_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        error_report("could not load PowerPC bios '%s'", bios_name);
        exit(1);
    }

    if (linux_boot) {
        uint64_t lowaddr = 0;
        int bswap_needed;

#ifdef BSWAP_NEEDED
        bswap_needed = 1;
#else
        bswap_needed = 0;
#endif
        kernel_base = KERNEL_LOAD_ADDR;

        kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
                               NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE, 0);
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, kernel_base,
                                    ram_size - kernel_base, bswap_needed,
                                    TARGET_PAGE_SIZE);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              kernel_base,
                                              ram_size - kernel_base);
        if (kernel_size < 0) {
            error_report("could not load kernel '%s'", kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                error_report("could not load initial ram disk '%s'",
                             initrd_filename);
                exit(1);
            }
            cmdline_base = round_page(initrd_base + initrd_size);
        } else {
            initrd_base = 0;
            initrd_size = 0;
            cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        /* We consider that NewWorld PowerMac never have any floppy drive
         * For now, OHW cannot boot from the network.
         */
        for (i = 0; boot_device[i] != '\0'; i++) {
            if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
        }
        if (ppc_boot_device == '\0') {
            fprintf(stderr, "No valid boot device for Mac99 machine\n");
            exit(1);
        }
    }

    /* Register 8 MB of ISA IO space */
    memory_region_init_alias(isa, NULL, "isa_mmio",
                             get_system_io(), 0, 0x00800000);
    memory_region_add_subregion(get_system_memory(), 0xf2000000, isa);

    /* UniN init: XXX should be a real device */
    memory_region_init_io(unin_memory, NULL, &unin_ops, token, "unin", 0x1000);
    memory_region_add_subregion(get_system_memory(), 0xf8000000, unin_memory);

    memory_region_init_io(unin2_memory, NULL, &unin_ops, token, "unin", 0x1000);
    memory_region_add_subregion(get_system_memory(), 0xf3000000, unin2_memory);

    openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
    openpic_irqs[0] =
        g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
    for (i = 0; i < smp_cpus; i++) {
        /* Mac99 IRQ connection between OpenPIC outputs pins
         * and PowerPC input pins
         */
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
            break;
#if defined(TARGET_PPC64)
        case PPC_FLAGS_INPUT_970:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
            break;
#endif /* defined(TARGET_PPC64) */
        default:
            error_report("Bus model not supported on mac99 machine");
            exit(1);
        }
    }

    pic = g_new0(qemu_irq, 64);

    dev = qdev_create(NULL, TYPE_OPENPIC);
    qdev_prop_set_uint32(dev, "model", OPENPIC_MODEL_RAVEN);
    qdev_init_nofail(dev);
    s = SYS_BUS_DEVICE(dev);
    pic_mem = s->mmio[0].memory;
    k = 0;
    for (i = 0; i < smp_cpus; i++) {
        for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
            sysbus_connect_irq(s, k++, openpic_irqs[i][j]);
        }
    }

    for (i = 0; i < 64; i++) {
        pic[i] = qdev_get_gpio_in(dev, i);
    }

    if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
        /* 970 gets a U3 bus */
        pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io());
        machine_arch = ARCH_MAC99_U3;
    } else {
        pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io());
        machine_arch = ARCH_MAC99;
    }

    machine->usb |= defaults_enabled() && !machine->usb_disabled;

    /* Timebase Frequency */
    if (kvm_enabled()) {
        tbfreq = kvmppc_get_tbfreq();
    } else {
        tbfreq = TBFREQ;
    }

    /* init basic PC hardware */
    escc_mem = escc_init(0, pic[0x25], pic[0x24],
                         serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
    memory_region_init_alias(escc_bar, NULL, "escc-bar",
                             escc_mem, 0, memory_region_size(escc_mem));

    macio = pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO);
    dev = DEVICE(macio);
    qdev_connect_gpio_out(dev, 0, pic[0x19]); /* CUDA */
    qdev_connect_gpio_out(dev, 1, pic[0x0d]); /* IDE */
    qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE DMA */
    qdev_connect_gpio_out(dev, 3, pic[0x0e]); /* IDE */
    qdev_connect_gpio_out(dev, 4, pic[0x03]); /* IDE DMA */
    qdev_prop_set_uint64(dev, "frequency", tbfreq);
    macio_init(macio, pic_mem, escc_bar);

    /* We only emulate 2 out of 3 IDE controllers for now */
    ide_drive_get(hd, ARRAY_SIZE(hd));

    macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
                                                        "ide[0]"));
    macio_ide_init_drives(macio_ide, hd);

    macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
                                                        "ide[1]"));
    macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);

    dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
    adb_bus = qdev_get_child_bus(dev, "adb.0");
    dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
    qdev_init_nofail(dev);
    dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
    qdev_init_nofail(dev);

    if (machine->usb) {
        pci_create_simple(pci_bus, -1, "pci-ohci");

        /* U3 needs to use USB for input because Linux doesn't support via-cuda
        on PPC64 */
        if (machine_arch == ARCH_MAC99_U3) {
            USBBus *usb_bus = usb_bus_find(-1);

            usb_create_simple(usb_bus, "usb-kbd");
            usb_create_simple(usb_bus, "usb-mouse");
        }
    }

    pci_vga_init(pci_bus);

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
        graphic_depth = 15;
    }

    for (i = 0; i < nb_nics; i++) {
        pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
    }

    /* The NewWorld NVRAM is not located in the MacIO device */
#ifdef CONFIG_KVM
    if (kvm_enabled() && getpagesize() > 4096) {
        /* We can't combine read-write and read-only in a single page, so
           move the NVRAM out of ROM again for KVM */
        nvram_addr = 0xFFE00000;
    }
#endif
    dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
    qdev_prop_set_uint32(dev, "size", 0x2000);
    qdev_prop_set_uint32(dev, "it_shift", 1);
    qdev_init_nofail(dev);
    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
    nvr = MACIO_NVRAM(dev);
    pmac_format_nvram_partition(nvr, 0x2000);
    /* No PCI init: the BIOS will do it */

    fw_cfg = fw_cfg_init_mem(CFG_ADDR, CFG_ADDR + 2);
    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, machine_arch);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
        pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);

    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);

    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
    if (kvm_enabled()) {
#ifdef CONFIG_KVM
        uint8_t *hypercall;

        hypercall = g_malloc(16);
        kvmppc_get_hypercall(env, hypercall, 16);
        fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
#endif
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
    /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);

    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
예제 #5
0
static void ppc_heathrow_init(QEMUMachineInitArgs *args)
{
    ram_addr_t ram_size = args->ram_size;
    const char *cpu_model = args->cpu_model;
    const char *kernel_filename = args->kernel_filename;
    const char *kernel_cmdline = args->kernel_cmdline;
    const char *initrd_filename = args->initrd_filename;
    const char *boot_device = args->boot_device;
    MemoryRegion *sysmem = get_system_memory();
    PowerPCCPU *cpu = NULL;
    CPUPPCState *env = NULL;
    char *filename;
    qemu_irq *pic, **heathrow_irqs;
    int linux_boot, i;
    MemoryRegion *ram = g_new(MemoryRegion, 1);
    MemoryRegion *bios = g_new(MemoryRegion, 1);
    uint32_t kernel_base, initrd_base, cmdline_base = 0;
    int32_t kernel_size, initrd_size;
    PCIBus *pci_bus;
    PCIDevice *macio;
    MACIOIDEState *macio_ide;
    DeviceState *dev;
    BusState *adb_bus;
    int bios_size;
    MemoryRegion *pic_mem;
    MemoryRegion *escc_mem, *escc_bar = g_new(MemoryRegion, 1);
    uint16_t ppc_boot_device;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    void *fw_cfg;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (cpu_model == NULL)
        cpu_model = "G3";
    for (i = 0; i < smp_cpus; i++) {
        cpu = cpu_ppc_init(cpu_model);
        if (cpu == NULL) {
            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
            exit(1);
        }
        env = &cpu->env;

        /* Set time-base frequency to 16.6 Mhz */
        cpu_ppc_tb_init(env,  16600000UL);
        qemu_register_reset(ppc_heathrow_reset, cpu);
    }

    /* allocate RAM */
    if (ram_size > (2047 << 20)) {
        fprintf(stderr,
                "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
                ((unsigned int)ram_size / (1 << 20)));
        exit(1);
    }

    memory_region_init_ram(ram, "ppc_heathrow.ram", ram_size);
    vmstate_register_ram_global(ram);
    memory_region_add_subregion(sysmem, 0, ram);

    /* allocate and load BIOS */
    memory_region_init_ram(bios, "ppc_heathrow.bios", BIOS_SIZE);
    vmstate_register_ram_global(bios);
    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    memory_region_set_readonly(bios, true);
    memory_region_add_subregion(sysmem, PROM_ADDR, bios);

    /* Load OpenBIOS (ELF) */
    if (filename) {
        bios_size = load_elf(filename, 0, NULL, NULL, NULL, NULL,
                             1, ELF_MACHINE, 0);
        g_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
        exit(1);
    }

    if (linux_boot) {
        uint64_t lowaddr = 0;
        int bswap_needed;

#ifdef BSWAP_NEEDED
        bswap_needed = 1;
#else
        bswap_needed = 0;
#endif
        kernel_base = KERNEL_LOAD_ADDR;
        kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
                               NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, kernel_base,
                                    ram_size - kernel_base, bswap_needed,
                                    TARGET_PAGE_SIZE);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              kernel_base,
                                              ram_size - kernel_base);
        if (kernel_size < 0) {
            hw_error("qemu: could not load kernel '%s'\n",
                      kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                hw_error("qemu: could not load initial ram disk '%s'\n",
                         initrd_filename);
                exit(1);
            }
            cmdline_base = round_page(initrd_base + initrd_size);
        } else {
            initrd_base = 0;
            initrd_size = 0;
            cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        for (i = 0; boot_device[i] != '\0'; i++) {
            /* TOFIX: for now, the second IDE channel is not properly
             *        used by OHW. The Mac floppy disk are not emulated.
             *        For now, OHW cannot boot from the network.
             */
#if 0
            if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
#else
            if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
                ppc_boot_device = boot_device[i];
                break;
            }
#endif
        }
        if (ppc_boot_device == '\0') {
            fprintf(stderr, "No valid boot device for G3 Beige machine\n");
            exit(1);
        }
    }

    /* Register 2 MB of ISA IO space */
    isa_mmio_init(0xfe000000, 0x00200000);

    /* XXX: we register only 1 output pin for heathrow PIC */
    heathrow_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
    heathrow_irqs[0] =
        g_malloc0(smp_cpus * sizeof(qemu_irq) * 1);
    /* Connect the heathrow PIC outputs to the 6xx bus */
    for (i = 0; i < smp_cpus; i++) {
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            heathrow_irqs[i] = heathrow_irqs[0] + (i * 1);
            heathrow_irqs[i][0] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            break;
        default:
            hw_error("Bus model not supported on OldWorld Mac machine\n");
        }
    }

    /* init basic PC hardware */
    if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
        hw_error("Only 6xx bus is supported on heathrow machine\n");
    }
    pic = heathrow_pic_init(&pic_mem, 1, heathrow_irqs);
    pci_bus = pci_grackle_init(0xfec00000, pic,
                               get_system_memory(),
                               get_system_io());
    pci_vga_init(pci_bus);

    escc_mem = escc_init(0, pic[0x0f], pic[0x10], serial_hds[0],
                               serial_hds[1], ESCC_CLOCK, 4);
    memory_region_init_alias(escc_bar, "escc-bar",
                             escc_mem, 0, memory_region_size(escc_mem));

    for(i = 0; i < nb_nics; i++)
        pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);


    ide_drive_get(hd, MAX_IDE_BUS);

    macio = pci_create(pci_bus, -1, TYPE_OLDWORLD_MACIO);
    dev = DEVICE(macio);
    qdev_connect_gpio_out(dev, 0, pic[0x12]); /* CUDA */
    qdev_connect_gpio_out(dev, 1, pic[0x0D]); /* IDE */
    qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE DMA */
    macio_init(macio, pic_mem, escc_bar);

    /* First IDE channel is a MAC IDE on the MacIO bus */
    macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
                                                        "ide"));
    macio_ide_init_drives(macio_ide, hd);

    /* Second IDE channel is a CMD646 on the PCI bus */
    hd[0] = hd[MAX_IDE_DEVS];
    hd[1] = hd[MAX_IDE_DEVS + 1];
    hd[3] = hd[2] = NULL;
    pci_cmd646_ide_init(pci_bus, hd, 0);

    dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
    adb_bus = qdev_get_child_bus(dev, "adb.0");
    dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
    qdev_init_nofail(dev);
    dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
    qdev_init_nofail(dev);

    if (usb_enabled(false)) {
        pci_create_simple(pci_bus, -1, "pci-ohci");
    }

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
        graphic_depth = 15;

    /* No PCI init: the BIOS will do it */

    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
        pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);

    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);

    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
    if (kvm_enabled()) {
#ifdef CONFIG_KVM
        uint8_t *hypercall;

        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
        hypercall = g_malloc(16);
        kvmppc_get_hypercall(env, hypercall, 16);
        fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
#endif
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
    }

    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
예제 #6
0
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_init (ram_addr_t ram_size,
                             const char *boot_device,
                             const char *kernel_filename,
                             const char *kernel_cmdline,
                             const char *initrd_filename,
                             const char *cpu_model)
{
    PowerPCCPU *cpu = NULL;
    CPUPPCState *env = NULL;
    char *filename;
    qemu_irq *pic, **openpic_irqs;
    MemoryRegion *unin_memory = g_new(MemoryRegion, 1);
    int linux_boot, i;
    MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
    target_phys_addr_t kernel_base, initrd_base, cmdline_base = 0;
    long kernel_size, initrd_size;
    PCIBus *pci_bus;
    MacIONVRAMState *nvr;
    int bios_size;
    MemoryRegion *pic_mem, *dbdma_mem, *cuda_mem, *escc_mem;
    MemoryRegion *escc_bar = g_new(MemoryRegion, 1);
    MemoryRegion *ide_mem[3];
    int ppc_boot_device;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    void *fw_cfg;
    void *dbdma;
    int machine_arch;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (cpu_model == NULL)
#ifdef TARGET_PPC64
        cpu_model = "970fx";
#else
        cpu_model = "G4";
#endif
    for (i = 0; i < smp_cpus; i++) {
        cpu = cpu_ppc_init(cpu_model);
        if (cpu == NULL) {
            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
            exit(1);
        }
        env = &cpu->env;

        /* Set time-base frequency to 100 Mhz */
        cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
        qemu_register_reset(ppc_core99_reset, cpu);
    }

    /* allocate RAM */
    memory_region_init_ram(ram, "ppc_core99.ram", ram_size);
    vmstate_register_ram_global(ram);
    memory_region_add_subregion(get_system_memory(), 0, ram);

    /* allocate and load BIOS */
    memory_region_init_ram(bios, "ppc_core99.bios", BIOS_SIZE);
    vmstate_register_ram_global(bios);
    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    memory_region_set_readonly(bios, true);
    memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);

    /* Load OpenBIOS (ELF) */
    if (filename) {
        bios_size = load_elf(filename, NULL, NULL, NULL,
                             NULL, NULL, 1, ELF_MACHINE, 0);

        g_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
        exit(1);
    }

    if (linux_boot) {
        uint64_t lowaddr = 0;
        int bswap_needed;

#ifdef BSWAP_NEEDED
        bswap_needed = 1;
#else
        bswap_needed = 0;
#endif
        kernel_base = KERNEL_LOAD_ADDR;

        kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
                               NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, kernel_base,
                                    ram_size - kernel_base, bswap_needed,
                                    TARGET_PAGE_SIZE);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              kernel_base,
                                              ram_size - kernel_base);
        if (kernel_size < 0) {
            hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                hw_error("qemu: could not load initial ram disk '%s'\n",
                         initrd_filename);
                exit(1);
            }
            cmdline_base = round_page(initrd_base + initrd_size);
        } else {
            initrd_base = 0;
            initrd_size = 0;
            cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        /* We consider that NewWorld PowerMac never have any floppy drive
         * For now, OHW cannot boot from the network.
         */
        for (i = 0; boot_device[i] != '\0'; i++) {
            if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
        }
        if (ppc_boot_device == '\0') {
            fprintf(stderr, "No valid boot device for Mac99 machine\n");
            exit(1);
        }
    }

    /* Register 8 MB of ISA IO space */
    isa_mmio_init(0xf2000000, 0x00800000);

    /* UniN init */
    memory_region_init_io(unin_memory, &unin_ops, NULL, "unin", 0x1000);
    memory_region_add_subregion(get_system_memory(), 0xf8000000, unin_memory);

    openpic_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
    openpic_irqs[0] =
        g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
    for (i = 0; i < smp_cpus; i++) {
        /* Mac99 IRQ connection between OpenPIC outputs pins
         * and PowerPC input pins
         */
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
            break;
#if defined(TARGET_PPC64)
        case PPC_FLAGS_INPUT_970:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
            break;
#endif /* defined(TARGET_PPC64) */
        default:
            hw_error("Bus model not supported on mac99 machine\n");
            exit(1);
        }
    }
    pic = openpic_init(&pic_mem, smp_cpus, openpic_irqs, NULL);
    if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
        /* 970 gets a U3 bus */
        pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io());
        machine_arch = ARCH_MAC99_U3;
    } else {
        pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io());
        machine_arch = ARCH_MAC99;
    }
    /* init basic PC hardware */
    pci_vga_init(pci_bus);

    escc_mem = escc_init(0, pic[0x25], pic[0x24],
                         serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
    memory_region_init_alias(escc_bar, "escc-bar",
                             escc_mem, 0, memory_region_size(escc_mem));

    for(i = 0; i < nb_nics; i++)
        pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);

    ide_drive_get(hd, MAX_IDE_BUS);
    dbdma = DBDMA_init(&dbdma_mem);

    /* We only emulate 2 out of 3 IDE controllers for now */
    ide_mem[0] = NULL;
    ide_mem[1] = pmac_ide_init(hd, pic[0x0d], dbdma, 0x16, pic[0x02]);
    ide_mem[2] = pmac_ide_init(&hd[MAX_IDE_DEVS], pic[0x0e], dbdma, 0x1a, pic[0x02]);

    /* cuda also initialize ADB */
    if (machine_arch == ARCH_MAC99_U3) {
        usb_enabled = 1;
    }
    cuda_init(&cuda_mem, pic[0x19]);

    adb_kbd_init(&adb_bus);
    adb_mouse_init(&adb_bus);

    macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem,
               dbdma_mem, cuda_mem, NULL, 3, ide_mem, escc_bar);

    if (usb_enabled) {
        pci_create_simple(pci_bus, -1, "pci-ohci");
    }

    /* U3 needs to use USB for input because Linux doesn't support via-cuda
       on PPC64 */
    if (machine_arch == ARCH_MAC99_U3) {
        usbdevice_create("keyboard");
        usbdevice_create("mouse");
    }

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
        graphic_depth = 15;

    /* The NewWorld NVRAM is not located in the MacIO device */
    nvr = macio_nvram_init(0x2000, 1);
    pmac_format_nvram_partition(nvr, 0x2000);
    macio_nvram_setup_bar(nvr, get_system_memory(), 0xFFF04000);
    /* No PCI init: the BIOS will do it */

    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
        pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);

    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);

    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
    if (kvm_enabled()) {
#ifdef CONFIG_KVM
        uint8_t *hypercall;

        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
        hypercall = g_malloc(16);
        kvmppc_get_hypercall(env, hypercall, 16);
        fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
#endif
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
    }

    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
예제 #7
0
파일: prep.c 프로젝트: DrCheadar/orp
/* PowerPC PREP hardware initialisation */
static void ppc_prep_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;
    const char *boot_device = machine->boot_order;
    MemoryRegion *sysmem = get_system_memory();
    PowerPCCPU *cpu = NULL;
    CPUPPCState *env = NULL;
    nvram_t nvram;
    M48t59State *m48t59;
#if 0
    MemoryRegion *xcsr = g_new(MemoryRegion, 1);
#endif
    int linux_boot, i, nb_nics1;
    MemoryRegion *ram = g_new(MemoryRegion, 1);
    uint32_t kernel_base, initrd_base;
    long kernel_size, initrd_size;
    DeviceState *dev;
    PCIHostState *pcihost;
    PCIBus *pci_bus;
    PCIDevice *pci;
    ISABus *isa_bus;
    ISADevice *isa;
    qemu_irq *cpu_exit_irq;
    int ppc_boot_device;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];

    sysctrl = g_malloc0(sizeof(sysctrl_t));

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (cpu_model == NULL)
        cpu_model = "602";
    for (i = 0; i < smp_cpus; i++) {
        cpu = cpu_ppc_init(cpu_model);
        if (cpu == NULL) {
            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
            exit(1);
        }
        env = &cpu->env;

        if (env->flags & POWERPC_FLAG_RTC_CLK) {
            /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */
            cpu_ppc_tb_init(env, 7812500UL);
        } else {
            /* Set time-base frequency to 100 Mhz */
            cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
        }
        qemu_register_reset(ppc_prep_reset, cpu);
    }

    /* allocate RAM */
    memory_region_allocate_system_memory(ram, NULL, "ppc_prep.ram", ram_size);
    memory_region_add_subregion(sysmem, 0, ram);

    if (linux_boot) {
        kernel_base = KERNEL_LOAD_ADDR;
        /* now we can load the kernel */
        kernel_size = load_image_targphys(kernel_filename, kernel_base,
                                          ram_size - kernel_base);
        if (kernel_size < 0) {
            hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = INITRD_LOAD_ADDR;
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                hw_error("qemu: could not load initial ram disk '%s'\n",
                          initrd_filename);
            }
        } else {
            initrd_base = 0;
            initrd_size = 0;
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        /* For now, OHW cannot boot from the network. */
        for (i = 0; boot_device[i] != '\0'; i++) {
            if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
        }
        if (ppc_boot_device == '\0') {
            fprintf(stderr, "No valid boot device for Mac99 machine\n");
            exit(1);
        }
    }

    if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
        hw_error("Only 6xx bus is supported on PREP machine\n");
    }

    dev = qdev_create(NULL, "raven-pcihost");
    if (bios_name == NULL) {
        bios_name = BIOS_FILENAME;
    }
    qdev_prop_set_string(dev, "bios-name", bios_name);
    qdev_prop_set_uint32(dev, "elf-machine", ELF_MACHINE);
    pcihost = PCI_HOST_BRIDGE(dev);
    object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev), NULL);
    qdev_init_nofail(dev);
    pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0");
    if (pci_bus == NULL) {
        fprintf(stderr, "Couldn't create PCI host controller.\n");
        exit(1);
    }
    sysctrl->contiguous_map_irq = qdev_get_gpio_in(dev, 0);

    /* PCI -> ISA bridge */
    pci = pci_create_simple(pci_bus, PCI_DEVFN(1, 0), "i82378");
    cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
    cpu = POWERPC_CPU(first_cpu);
    qdev_connect_gpio_out(&pci->qdev, 0,
                          cpu->env.irq_inputs[PPC6xx_INPUT_INT]);
    qdev_connect_gpio_out(&pci->qdev, 1, *cpu_exit_irq);
    sysbus_connect_irq(&pcihost->busdev, 0, qdev_get_gpio_in(&pci->qdev, 9));
    sysbus_connect_irq(&pcihost->busdev, 1, qdev_get_gpio_in(&pci->qdev, 11));
    sysbus_connect_irq(&pcihost->busdev, 2, qdev_get_gpio_in(&pci->qdev, 9));
    sysbus_connect_irq(&pcihost->busdev, 3, qdev_get_gpio_in(&pci->qdev, 11));
    isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci), "isa.0"));

    /* Super I/O (parallel + serial ports) */
    isa = isa_create(isa_bus, TYPE_PC87312);
    dev = DEVICE(isa);
    qdev_prop_set_uint8(dev, "config", 13); /* fdc, ser0, ser1, par0 */
    qdev_init_nofail(dev);

    /* init basic PC hardware */
    pci_vga_init(pci_bus);

    nb_nics1 = nb_nics;
    if (nb_nics1 > NE2000_NB_MAX)
        nb_nics1 = NE2000_NB_MAX;
    for(i = 0; i < nb_nics1; i++) {
        if (nd_table[i].model == NULL) {
	    nd_table[i].model = g_strdup("ne2k_isa");
        }
        if (strcmp(nd_table[i].model, "ne2k_isa") == 0) {
            isa_ne2000_init(isa_bus, ne2000_io[i], ne2000_irq[i],
                            &nd_table[i]);
        } else {
            pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
        }
    }

    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[2 * i],
		     hd[2 * i + 1]);
    }
    isa_create_simple(isa_bus, "i8042");

    cpu = POWERPC_CPU(first_cpu);
    sysctrl->reset_irq = cpu->env.irq_inputs[PPC6xx_INPUT_HRESET];

    portio_list_init(&prep_port_list, NULL, prep_portio_list, sysctrl, "prep");
    portio_list_add(&prep_port_list, isa_address_space_io(isa), 0x0);

    /* PowerPC control and status register group */
#if 0
    memory_region_init_io(xcsr, NULL, &PPC_XCSR_ops, NULL, "ppc-xcsr", 0x1000);
    memory_region_add_subregion(sysmem, 0xFEFF0000, xcsr);
#endif

    if (usb_enabled(false)) {
        pci_create_simple(pci_bus, -1, "pci-ohci");
    }

    m48t59 = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 59);
    if (m48t59 == NULL)
        return;
    sysctrl->nvram = m48t59;

    /* Initialise NVRAM */
    nvram.opaque = m48t59;
    nvram.read_fn = &m48t59_read;
    nvram.write_fn = &m48t59_write;
    PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "PREP", ram_size, ppc_boot_device,
                         kernel_base, kernel_size,
                         kernel_cmdline,
                         initrd_base, initrd_size,
                         /* XXX: need an option to load a NVRAM image */
                         0,
                         graphic_width, graphic_height, graphic_depth);
}
예제 #8
0
파일: ppc_chrp.c 프로젝트: tumf/xen-3.3.1
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_init (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,
                             const char *cpu_model)
{
    CPUState *env = NULL, *envs[MAX_CPUS];
    char buf[1024];
    qemu_irq *pic, **openpic_irqs;
    int unin_memory;
    int linux_boot, i;
    unsigned long bios_offset, vga_bios_offset;
    uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
    PCIBus *pci_bus;
    nvram_t nvram;
#if 0
    MacIONVRAMState *nvr;
    int nvram_mem_index;
#endif
    m48t59_t *m48t59;
    int vga_bios_size, bios_size;
    qemu_irq *dummy_irq;
    int pic_mem_index, dbdma_mem_index, cuda_mem_index;
    int ide_mem_index[2];
    int ppc_boot_device;
    int index;
    BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (cpu_model == NULL)
        cpu_model = "default";
    for (i = 0; i < smp_cpus; i++) {
        env = cpu_init(cpu_model);
        if (!env) {
            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
            exit(1);
        }
        /* Set time-base frequency to 100 Mhz */
        cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
#if 0
        env->osi_call = vga_osi_call;
#endif
        qemu_register_reset(&cpu_ppc_reset, env);
        register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
        envs[i] = env;
    }
    if (env->nip < 0xFFF80000) {
        /* Special test for PowerPC 601:
         * the boot vector is at 0xFFF00100, then we need a 1MB BIOS.
         * But the NVRAM is located at 0xFFF04000...
         */
        cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
    }

    /* allocate RAM */
    cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);

    /* allocate and load BIOS */
    bios_offset = ram_size + vga_ram_size;
    if (bios_name == NULL)
        bios_name = BIOS_FILENAME;
    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
    bios_size = load_image(buf, phys_ram_base + bios_offset);
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf);
        exit(1);
    }
    bios_size = (bios_size + 0xfff) & ~0xfff;
    if (bios_size > 0x00080000) {
        /* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */
        cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
    }
    cpu_register_physical_memory((uint32_t)(-bios_size),
                                 bios_size, bios_offset | IO_MEM_ROM);

    /* allocate and load VGA BIOS */
    vga_bios_offset = bios_offset + bios_size;
    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
    vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8);
    if (vga_bios_size < 0) {
        /* if no bios is present, we can still work */
        fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf);
        vga_bios_size = 0;
    } else {
        /* set a specific header (XXX: find real Apple format for NDRV
           drivers) */
        phys_ram_base[vga_bios_offset] = 'N';
        phys_ram_base[vga_bios_offset + 1] = 'D';
        phys_ram_base[vga_bios_offset + 2] = 'R';
        phys_ram_base[vga_bios_offset + 3] = 'V';
        cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4),
                     vga_bios_size);
        vga_bios_size += 8;
    }
    vga_bios_size = (vga_bios_size + 0xfff) & ~0xfff;

    if (linux_boot) {
        kernel_base = KERNEL_LOAD_ADDR;
        /* now we can load the kernel */
        kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
        if (kernel_size < 0) {
            cpu_abort(env, "qemu: could not load kernel '%s'\n",
                      kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = INITRD_LOAD_ADDR;
            initrd_size = load_image(initrd_filename,
                                     phys_ram_base + initrd_base);
            if (initrd_size < 0) {
                cpu_abort(env, "qemu: could not load initial ram disk '%s'\n",
                          initrd_filename);
                exit(1);
            }
        } else {
            initrd_base = 0;
            initrd_size = 0;
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        /* We consider that NewWorld PowerMac never have any floppy drive
         * For now, OHW cannot boot from the network.
         */
        for (i = 0; boot_device[i] != '\0'; i++) {
            if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
        }
        if (ppc_boot_device == '\0') {
            fprintf(stderr, "No valid boot device for Mac99 machine\n");
            exit(1);
        }
    }

    isa_mem_base = 0x80000000;

    /* Register 8 MB of ISA IO space */
    isa_mmio_init(0xf2000000, 0x00800000);

    /* UniN init */
    unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL);
    cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);

    openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
    openpic_irqs[0] =
        qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
    for (i = 0; i < smp_cpus; i++) {
        /* Mac99 IRQ connection between OpenPIC outputs pins
         * and PowerPC input pins
         */
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
            break;
#if defined(TARGET_PPC64)
        case PPC_FLAGS_INPUT_970:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
            break;
#endif /* defined(TARGET_PPC64) */
        default:
            cpu_abort(env, "Bus model not supported on mac99 machine\n");
            exit(1);
        }
    }
    pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
    pci_bus = pci_pmac_init(pic);
    /* init basic PC hardware */
    pci_vga_init(pci_bus, ds, phys_ram_base + ram_size,
                 ram_size, vga_ram_size,
                 vga_bios_offset, vga_bios_size);

    /* XXX: suppress that */
    dummy_irq = i8259_init(NULL);

    /* XXX: use Mac Serial port */
    serial_init(0x3f8, dummy_irq[4], 115200, serial_hds[0]);
    for(i = 0; i < nb_nics; i++) {
        if (!nd_table[i].model)
            nd_table[i].model = "ne2k_pci";
        pci_nic_init(pci_bus, &nd_table[i], -1);
    }
    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 1
    ide_mem_index[0] = pmac_ide_init(&hd[0], pic[0x13]);
    ide_mem_index[1] = pmac_ide_init(&hd[2], pic[0x14]);
#else
    pci_cmd646_ide_init(pci_bus, &hd[0], 0);
#endif
    /* cuda also initialize ADB */
    cuda_init(&cuda_mem_index, pic[0x19]);

    adb_kbd_init(&adb_bus);
    adb_mouse_init(&adb_bus);

    dbdma_init(&dbdma_mem_index);

    macio_init(pci_bus, 0x0022, 0, pic_mem_index, dbdma_mem_index,
               cuda_mem_index, NULL, 2, ide_mem_index);

    if (usb_enabled) {
        usb_ohci_init_pci(pci_bus, 3, -1);
    }

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
        graphic_depth = 15;
#if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */
    /* The NewWorld NVRAM is not located in the MacIO device */
    nvr = macio_nvram_init(&nvram_mem_index, 0x2000);
    pmac_format_nvram_partition(nvr, 0x2000);
    macio_nvram_map(nvr, 0xFFF04000);
    nvram.opaque = nvr;
    nvram.read_fn = &macio_nvram_read;
    nvram.write_fn = &macio_nvram_write;
#else
    m48t59 = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59);
    nvram.opaque = m48t59;
    nvram.read_fn = &m48t59_read;
    nvram.write_fn = &m48t59_write;
#endif
    PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "MAC99", ram_size,
                         ppc_boot_device, kernel_base, kernel_size,
                         kernel_cmdline,
                         initrd_base, initrd_size,
                         /* XXX: need an option to load a NVRAM image */
                         0,
                         graphic_width, graphic_height, graphic_depth);
    /* No PCI init: the BIOS will do it */

    /* Special port to get debug messages from Open-Firmware */
    register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
}
예제 #9
0
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_init (ram_addr_t ram_size,
                             const char *boot_device,
                             const char *kernel_filename,
                             const char *kernel_cmdline,
                             const char *initrd_filename,
                             const char *cpu_model)
{
    CPUState *env = NULL, *envs[MAX_CPUS];
    char *filename;
    qemu_irq *pic, **openpic_irqs;
    int unin_memory;
    int linux_boot, i;
    ram_addr_t ram_offset, bios_offset, vga_bios_offset;
    uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
    PCIBus *pci_bus;
    MacIONVRAMState *nvr;
    int nvram_mem_index;
    int vga_bios_size, bios_size;
    int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
    int ide_mem_index[3];
    int ppc_boot_device;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    void *fw_cfg;
    void *dbdma;
    uint8_t *vga_bios_ptr;
    int machine_arch;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (cpu_model == NULL)
#ifdef TARGET_PPC64
        cpu_model = "970fx";
#else
        cpu_model = "G4";
#endif
    for (i = 0; i < smp_cpus; i++) {
        env = cpu_init(cpu_model);
        if (!env) {
            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
            exit(1);
        }
        /* Set time-base frequency to 100 Mhz */
        cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
#if 0
        env->osi_call = vga_osi_call;
#endif
        qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
        envs[i] = env;
    }

    /* allocate RAM */
    ram_offset = qemu_ram_alloc(NULL, "ppc_core99.ram", ram_size);
    cpu_register_physical_memory(0, ram_size, ram_offset);

    /* allocate and load BIOS */
    bios_offset = qemu_ram_alloc(NULL, "ppc_core99.bios", BIOS_SIZE);
    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);

    /* Load OpenBIOS (ELF) */
    if (filename) {
        bios_size = load_elf(filename, NULL, NULL, NULL,
                             NULL, NULL, 1, ELF_MACHINE, 0);

        qemu_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
        exit(1);
    }

    /* allocate and load VGA BIOS */
    vga_bios_offset = qemu_ram_alloc(NULL, "ppc_core99.vbios", VGA_BIOS_SIZE);
    vga_bios_ptr = qemu_get_ram_ptr(vga_bios_offset);
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, VGABIOS_FILENAME);
    if (filename) {
        vga_bios_size = load_image(filename, vga_bios_ptr + 8);
        qemu_free(filename);
    } else {
        vga_bios_size = -1;
    }
    if (vga_bios_size < 0) {
        /* if no bios is present, we can still work */
        fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n",
                VGABIOS_FILENAME);
        vga_bios_size = 0;
    } else {
        /* set a specific header (XXX: find real Apple format for NDRV
           drivers) */
        vga_bios_ptr[0] = 'N';
        vga_bios_ptr[1] = 'D';
        vga_bios_ptr[2] = 'R';
        vga_bios_ptr[3] = 'V';
        cpu_to_be32w((uint32_t *)(vga_bios_ptr + 4), vga_bios_size);
        vga_bios_size += 8;

        /* Round to page boundary */
        vga_bios_size = (vga_bios_size + TARGET_PAGE_SIZE - 1) &
            TARGET_PAGE_MASK;
    }

    if (linux_boot) {
        uint64_t lowaddr = 0;
        int bswap_needed;

#ifdef BSWAP_NEEDED
        bswap_needed = 1;
#else
        bswap_needed = 0;
#endif
        kernel_base = KERNEL_LOAD_ADDR;

        kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
                               NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, kernel_base,
                                    ram_size - kernel_base, bswap_needed,
                                    TARGET_PAGE_SIZE);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              kernel_base,
                                              ram_size - kernel_base);
        if (kernel_size < 0) {
            hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = INITRD_LOAD_ADDR;
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                hw_error("qemu: could not load initial ram disk '%s'\n",
                         initrd_filename);
                exit(1);
            }
        } else {
            initrd_base = 0;
            initrd_size = 0;
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        /* We consider that NewWorld PowerMac never have any floppy drive
         * For now, OHW cannot boot from the network.
         */
        for (i = 0; boot_device[i] != '\0'; i++) {
            if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
        }
        if (ppc_boot_device == '\0') {
            fprintf(stderr, "No valid boot device for Mac99 machine\n");
            exit(1);
        }
    }

    isa_mem_base = 0x80000000;

    /* Register 8 MB of ISA IO space */
    isa_mmio_init(0xf2000000, 0x00800000, 1);

    /* UniN init */
    unin_memory = cpu_register_io_memory(unin_read, unin_write, NULL);
    cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);

    openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
    openpic_irqs[0] =
        qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
    for (i = 0; i < smp_cpus; i++) {
        /* Mac99 IRQ connection between OpenPIC outputs pins
         * and PowerPC input pins
         */
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
            break;
#if defined(TARGET_PPC64)
        case PPC_FLAGS_INPUT_970:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
            break;
#endif /* defined(TARGET_PPC64) */
        default:
            hw_error("Bus model not supported on mac99 machine\n");
            exit(1);
        }
    }
    pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
    if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
        /* 970 gets a U3 bus */
        pci_bus = pci_pmac_u3_init(pic);
        machine_arch = ARCH_MAC99_U3;
    } else {
        pci_bus = pci_pmac_init(pic);
        machine_arch = ARCH_MAC99;
    }
    /* init basic PC hardware */
    pci_vga_init(pci_bus, vga_bios_offset, vga_bios_size);

    escc_mem_index = escc_init(0x80013000, pic[0x25], pic[0x24],
                               serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);

    for(i = 0; i < nb_nics; i++)
        pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);

    if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
        fprintf(stderr, "qemu: too many IDE bus\n");
        exit(1);
    }
    dbdma = DBDMA_init(&dbdma_mem_index);

    /* We only emulate 2 out of 3 IDE controllers for now */
    ide_mem_index[0] = -1;
    hd[0] = drive_get(IF_IDE, 0, 0);
    hd[1] = drive_get(IF_IDE, 0, 1);
    ide_mem_index[1] = pmac_ide_init(hd, pic[0x0d], dbdma, 0x16, pic[0x02]);
    hd[0] = drive_get(IF_IDE, 1, 0);
    hd[1] = drive_get(IF_IDE, 1, 1);
    ide_mem_index[2] = pmac_ide_init(hd, pic[0x0e], dbdma, 0x1a, pic[0x02]);

    /* cuda also initialize ADB */
    if (machine_arch == ARCH_MAC99_U3) {
        usb_enabled = 1;
    }
    cuda_init(&cuda_mem_index, pic[0x19]);

    adb_kbd_init(&adb_bus);
    adb_mouse_init(&adb_bus);

    macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem_index,
               dbdma_mem_index, cuda_mem_index, NULL, 3, ide_mem_index,
               escc_mem_index);

    if (usb_enabled) {
        usb_ohci_init_pci(pci_bus, -1);
    }

    /* U3 needs to use USB for input because Linux doesn't support via-cuda
       on PPC64 */
    if (machine_arch == ARCH_MAC99_U3) {
        usbdevice_create("keyboard");
        usbdevice_create("mouse");
    }

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
        graphic_depth = 15;

    /* The NewWorld NVRAM is not located in the MacIO device */
    nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 1);
    pmac_format_nvram_partition(nvr, 0x2000);
    macio_nvram_map(nvr, 0xFFF04000);
    /* No PCI init: the BIOS will do it */

    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
        pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);

    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);

    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
    if (kvm_enabled()) {
#ifdef CONFIG_KVM
        uint8_t *hypercall;

        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
        hypercall = qemu_malloc(16);
        kvmppc_get_hypercall(env, hypercall, 16);
        fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
#endif
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
    }

    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
예제 #10
0
파일: xics.c 프로젝트: bhansaliakhil/qemu
struct icp_state *xics_system_init(int nr_irqs)
{
    CPUPPCState *env;
    CPUState *cpu;
    int max_server_num;
    struct icp_state *icp;
    struct ics_state *ics;

    max_server_num = -1;
    for (env = first_cpu; env != NULL; env = env->next_cpu) {
        cpu = CPU(ppc_env_get_cpu(env));
        if (cpu->cpu_index > max_server_num) {
            max_server_num = cpu->cpu_index;
        }
    }

    icp = g_malloc0(sizeof(*icp));
    icp->nr_servers = max_server_num + 1;
    icp->ss = g_malloc0(icp->nr_servers*sizeof(struct icp_server_state));

    for (env = first_cpu; env != NULL; env = env->next_cpu) {
        cpu = CPU(ppc_env_get_cpu(env));
        struct icp_server_state *ss = &icp->ss[cpu->cpu_index];

        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_POWER7:
            ss->output = env->irq_inputs[POWER7_INPUT_INT];
            break;

        case PPC_FLAGS_INPUT_970:
            ss->output = env->irq_inputs[PPC970_INPUT_INT];
            break;

        default:
            hw_error("XICS interrupt model does not support this CPU bus "
                     "model\n");
            exit(1);
        }
    }

    ics = g_malloc0(sizeof(*ics));
    ics->nr_irqs = nr_irqs;
    ics->offset = XICS_IRQ_BASE;
    ics->irqs = g_malloc0(nr_irqs * sizeof(struct ics_irq_state));
    ics->islsi = g_malloc0(nr_irqs * sizeof(bool));

    icp->ics = ics;
    ics->icp = icp;

    ics->qirqs = qemu_allocate_irqs(ics_set_irq, ics, nr_irqs);

    spapr_register_hypercall(H_CPPR, h_cppr);
    spapr_register_hypercall(H_IPI, h_ipi);
    spapr_register_hypercall(H_XIRR, h_xirr);
    spapr_register_hypercall(H_EOI, h_eoi);

    spapr_rtas_register("ibm,set-xive", rtas_set_xive);
    spapr_rtas_register("ibm,get-xive", rtas_get_xive);
    spapr_rtas_register("ibm,int-off", rtas_int_off);
    spapr_rtas_register("ibm,int-on", rtas_int_on);

    qemu_register_reset(xics_reset, icp);

    return icp;
}
예제 #11
0
static void ppc_heathrow_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;
    const char *boot_device = machine->boot_order;
    MemoryRegion *sysmem = get_system_memory();
    PowerPCCPU *cpu = NULL;
    CPUPPCState *env = NULL;
    char *filename;
    int linux_boot, i;
    MemoryRegion *ram = g_new(MemoryRegion, 1);
    MemoryRegion *bios = g_new(MemoryRegion, 1);
    uint32_t kernel_base, initrd_base, cmdline_base = 0;
    int32_t kernel_size, initrd_size;
    PCIBus *pci_bus;
    OldWorldMacIOState *macio;
    MACIOIDEState *macio_ide;
    SysBusDevice *s;
    DeviceState *dev, *pic_dev;
    BusState *adb_bus;
    int bios_size;
    uint16_t ppc_boot_device;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    void *fw_cfg;
    uint64_t tbfreq;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    for (i = 0; i < smp_cpus; i++) {
        cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
        env = &cpu->env;

        /* Set time-base frequency to 16.6 Mhz */
        cpu_ppc_tb_init(env,  TBFREQ);
        qemu_register_reset(ppc_heathrow_reset, cpu);
    }

    /* allocate RAM */
    if (ram_size > 2047 * MiB) {
        error_report("Too much memory for this machine: %" PRId64 " MB, "
                     "maximum 2047 MB", ram_size / MiB);
        exit(1);
    }

    memory_region_allocate_system_memory(ram, NULL, "ppc_heathrow.ram",
                                         ram_size);
    memory_region_add_subregion(sysmem, 0, ram);

    /* allocate and load BIOS */
    memory_region_init_ram(bios, NULL, "ppc_heathrow.bios", BIOS_SIZE,
                           &error_fatal);

    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    memory_region_set_readonly(bios, true);
    memory_region_add_subregion(sysmem, PROM_ADDR, bios);

    /* Load OpenBIOS (ELF) */
    if (filename) {
        bios_size = load_elf(filename, NULL, 0, NULL, NULL, NULL, NULL,
                             1, PPC_ELF_MACHINE, 0, 0);
        g_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        error_report("could not load PowerPC bios '%s'", bios_name);
        exit(1);
    }

    if (linux_boot) {
        uint64_t lowaddr = 0;
        int bswap_needed;

#ifdef BSWAP_NEEDED
        bswap_needed = 1;
#else
        bswap_needed = 0;
#endif
        kernel_base = KERNEL_LOAD_ADDR;
        kernel_size = load_elf(kernel_filename, NULL,
                               translate_kernel_address, NULL,
                               NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
                               0, 0);
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, kernel_base,
                                    ram_size - kernel_base, bswap_needed,
                                    TARGET_PAGE_SIZE);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              kernel_base,
                                              ram_size - kernel_base);
        if (kernel_size < 0) {
            error_report("could not load kernel '%s'", kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                error_report("could not load initial ram disk '%s'",
                             initrd_filename);
                exit(1);
            }
            cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
        } else {
            initrd_base = 0;
            initrd_size = 0;
            cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        for (i = 0; boot_device[i] != '\0'; i++) {
            /* TOFIX: for now, the second IDE channel is not properly
             *        used by OHW. The Mac floppy disk are not emulated.
             *        For now, OHW cannot boot from the network.
             */
#if 0
            if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
#else
            if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
                ppc_boot_device = boot_device[i];
                break;
            }
#endif
        }
        if (ppc_boot_device == '\0') {
            error_report("No valid boot device for G3 Beige machine");
            exit(1);
        }
    }

    /* XXX: we register only 1 output pin for heathrow PIC */
    pic_dev = qdev_create(NULL, TYPE_HEATHROW);
    qdev_init_nofail(pic_dev);

    /* Connect the heathrow PIC outputs to the 6xx bus */
    for (i = 0; i < smp_cpus; i++) {
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            qdev_connect_gpio_out(pic_dev, 0,
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]);
            break;
        default:
            error_report("Bus model not supported on OldWorld Mac machine");
            exit(1);
        }
    }

    /* Timebase Frequency */
    if (kvm_enabled()) {
        tbfreq = kvmppc_get_tbfreq();
    } else {
        tbfreq = TBFREQ;
    }

    /* init basic PC hardware */
    if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
        error_report("Only 6xx bus is supported on heathrow machine");
        exit(1);
    }

    /* Grackle PCI host bridge */
    dev = qdev_create(NULL, TYPE_GRACKLE_PCI_HOST_BRIDGE);
    qdev_prop_set_uint32(dev, "ofw-addr", 0x80000000);
    object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
                             &error_abort);
    qdev_init_nofail(dev);
    s = SYS_BUS_DEVICE(dev);
    sysbus_mmio_map(s, 0, GRACKLE_BASE);
    sysbus_mmio_map(s, 1, GRACKLE_BASE + 0x200000);
    /* PCI hole */
    memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
                                sysbus_mmio_get_region(s, 2));
    /* Register 2 MB of ISA IO space */
    memory_region_add_subregion(get_system_memory(), 0xfe000000,
                                sysbus_mmio_get_region(s, 3));

    pci_bus = PCI_HOST_BRIDGE(dev)->bus;

    pci_vga_init(pci_bus);

    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));

    /* MacIO */
    macio = OLDWORLD_MACIO(pci_create(pci_bus, -1, TYPE_OLDWORLD_MACIO));
    dev = DEVICE(macio);
    qdev_prop_set_uint64(dev, "frequency", tbfreq);
    object_property_set_link(OBJECT(macio), OBJECT(pic_dev), "pic",
                             &error_abort);
    qdev_init_nofail(dev);

    macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
                                                        "ide[0]"));
    macio_ide_init_drives(macio_ide, hd);

    macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
                                                        "ide[1]"));
    macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);

    dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
    adb_bus = qdev_get_child_bus(dev, "adb.0");
    dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
    qdev_init_nofail(dev);
    dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
    qdev_init_nofail(dev);

    if (machine_usb(machine)) {
        pci_create_simple(pci_bus, -1, "pci-ohci");
    }

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
        graphic_depth = 15;

    /* No PCI init: the BIOS will do it */

    dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
    fw_cfg = FW_CFG(dev);
    qdev_prop_set_uint32(dev, "data_width", 1);
    qdev_prop_set_bit(dev, "dma_enabled", false);
    object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
                              OBJECT(fw_cfg), NULL);
    qdev_init_nofail(dev);
    s = SYS_BUS_DEVICE(dev);
    sysbus_mmio_map(s, 0, CFG_ADDR);
    sysbus_mmio_map(s, 1, CFG_ADDR + 2);

    fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
    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, ARCH_HEATHROW);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
        pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);

    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);

    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
    if (kvm_enabled()) {
#ifdef CONFIG_KVM
        uint8_t *hypercall;

        hypercall = g_malloc(16);
        kvmppc_get_hypercall(env, hypercall, 16);
        fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
#endif
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
    /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);

    /* MacOS NDRV VGA driver */
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
    if (filename) {
        gchar *ndrv_file;
        gsize ndrv_size;

        if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
            fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
        }
        g_free(filename);
    }

    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
예제 #12
0
파일: mac_newworld.c 프로젝트: aik/qemu
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_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;
    const char *boot_device = machine->boot_order;
    Core99MachineState *core99_machine = CORE99_MACHINE(machine);
    PowerPCCPU *cpu = NULL;
    CPUPPCState *env = NULL;
    char *filename;
    IrqLines *openpic_irqs;
    int linux_boot, i, j, k;
    MemoryRegion *ram = g_new(MemoryRegion, 1), *bios = g_new(MemoryRegion, 1);
    hwaddr kernel_base, initrd_base, cmdline_base = 0;
    long kernel_size, initrd_size;
    UNINHostState *uninorth_pci;
    PCIBus *pci_bus;
    NewWorldMacIOState *macio;
    bool has_pmu, has_adb;
    MACIOIDEState *macio_ide;
    BusState *adb_bus;
    MacIONVRAMState *nvr;
    int bios_size;
    int ppc_boot_device;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    void *fw_cfg;
    int machine_arch;
    SysBusDevice *s;
    DeviceState *dev, *pic_dev;
    hwaddr nvram_addr = 0xFFF04000;
    uint64_t tbfreq;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    for (i = 0; i < smp_cpus; i++) {
        cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
        env = &cpu->env;

        /* Set time-base frequency to 100 Mhz */
        cpu_ppc_tb_init(env, TBFREQ);
        qemu_register_reset(ppc_core99_reset, cpu);
    }

    /* allocate RAM */
    memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
    memory_region_add_subregion(get_system_memory(), 0, ram);

    /* allocate and load BIOS */
    memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE,
                           &error_fatal);

    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    memory_region_set_readonly(bios, true);
    memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios);

    /* Load OpenBIOS (ELF) */
    if (filename) {
        bios_size = load_elf(filename, NULL, NULL, NULL,
                             NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);

        g_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        error_report("could not load PowerPC bios '%s'", bios_name);
        exit(1);
    }

    if (linux_boot) {
        uint64_t lowaddr = 0;
        int bswap_needed;

#ifdef BSWAP_NEEDED
        bswap_needed = 1;
#else
        bswap_needed = 0;
#endif
        kernel_base = KERNEL_LOAD_ADDR;

        kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
                               NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE,
                               0, 0);
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, kernel_base,
                                    ram_size - kernel_base, bswap_needed,
                                    TARGET_PAGE_SIZE);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              kernel_base,
                                              ram_size - kernel_base);
        if (kernel_size < 0) {
            error_report("could not load kernel '%s'", kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                error_report("could not load initial ram disk '%s'",
                             initrd_filename);
                exit(1);
            }
            cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size);
        } else {
            initrd_base = 0;
            initrd_size = 0;
            cmdline_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP);
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        /* We consider that NewWorld PowerMac never have any floppy drive
         * For now, OHW cannot boot from the network.
         */
        for (i = 0; boot_device[i] != '\0'; i++) {
            if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
        }
        if (ppc_boot_device == '\0') {
            error_report("No valid boot device for Mac99 machine");
            exit(1);
        }
    }

    /* UniN init */
    dev = qdev_create(NULL, TYPE_UNI_NORTH);
    qdev_init_nofail(dev);
    s = SYS_BUS_DEVICE(dev);
    memory_region_add_subregion(get_system_memory(), 0xf8000000,
                                sysbus_mmio_get_region(s, 0));

    openpic_irqs = g_new0(IrqLines, smp_cpus);
    for (i = 0; i < smp_cpus; i++) {
        /* Mac99 IRQ connection between OpenPIC outputs pins
         * and PowerPC input pins
         */
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
            break;
#if defined(TARGET_PPC64)
        case PPC_FLAGS_INPUT_970:
            openpic_irqs[i].irq[OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i].irq[OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i].irq[OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i].irq[OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i].irq[OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
            break;
#endif /* defined(TARGET_PPC64) */
        default:
            error_report("Bus model not supported on mac99 machine");
            exit(1);
        }
    }

    pic_dev = qdev_create(NULL, TYPE_OPENPIC);
    qdev_prop_set_uint32(pic_dev, "model", OPENPIC_MODEL_KEYLARGO);
    qdev_init_nofail(pic_dev);
    s = SYS_BUS_DEVICE(pic_dev);
    k = 0;
    for (i = 0; i < smp_cpus; i++) {
        for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
            sysbus_connect_irq(s, k++, openpic_irqs[i].irq[j]);
        }
    }
    g_free(openpic_irqs);

    if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
        /* 970 gets a U3 bus */
        /* Uninorth AGP bus */
        dev = qdev_create(NULL, TYPE_U3_AGP_HOST_BRIDGE);
        object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
                                 &error_abort);
        qdev_init_nofail(dev);
        uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
        s = SYS_BUS_DEVICE(dev);
        /* PCI hole */
        memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
                                    sysbus_mmio_get_region(s, 2));
        /* Register 8 MB of ISA IO space */
        memory_region_add_subregion(get_system_memory(), 0xf2000000,
                                    sysbus_mmio_get_region(s, 3));
        sysbus_mmio_map(s, 0, 0xf0800000);
        sysbus_mmio_map(s, 1, 0xf0c00000);

        machine_arch = ARCH_MAC99_U3;
    } else {
        /* Use values found on a real PowerMac */
        /* Uninorth AGP bus */
        dev = qdev_create(NULL, TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
        object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
                                 &error_abort);
        qdev_init_nofail(dev);
        s = SYS_BUS_DEVICE(dev);
        sysbus_mmio_map(s, 0, 0xf0800000);
        sysbus_mmio_map(s, 1, 0xf0c00000);

        /* Uninorth internal bus */
        dev = qdev_create(NULL, TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
        object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
                                 &error_abort);
        qdev_init_nofail(dev);
        s = SYS_BUS_DEVICE(dev);
        sysbus_mmio_map(s, 0, 0xf4800000);
        sysbus_mmio_map(s, 1, 0xf4c00000);

        /* Uninorth main bus */
        dev = qdev_create(NULL, TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
        qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
        object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
                                 &error_abort);
        qdev_init_nofail(dev);
        uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
        s = SYS_BUS_DEVICE(dev);
        /* PCI hole */
        memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
                                    sysbus_mmio_get_region(s, 2));
        /* Register 8 MB of ISA IO space */
        memory_region_add_subregion(get_system_memory(), 0xf2000000,
                                    sysbus_mmio_get_region(s, 3));
        sysbus_mmio_map(s, 0, 0xf2800000);
        sysbus_mmio_map(s, 1, 0xf2c00000);

        machine_arch = ARCH_MAC99;
    }

    machine->usb |= defaults_enabled() && !machine->usb_disabled;
    has_pmu = (core99_machine->via_config != CORE99_VIA_CONFIG_CUDA);
    has_adb = (core99_machine->via_config == CORE99_VIA_CONFIG_CUDA ||
               core99_machine->via_config == CORE99_VIA_CONFIG_PMU_ADB);

    /* Timebase Frequency */
    if (kvm_enabled()) {
        tbfreq = kvmppc_get_tbfreq();
    } else {
        tbfreq = TBFREQ;
    }

    /* init basic PC hardware */
    pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;

    /* MacIO */
    macio = NEWWORLD_MACIO(pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO));
    dev = DEVICE(macio);
    qdev_prop_set_uint64(dev, "frequency", tbfreq);
    qdev_prop_set_bit(dev, "has-pmu", has_pmu);
    qdev_prop_set_bit(dev, "has-adb", has_adb);
    object_property_set_link(OBJECT(macio), OBJECT(pic_dev), "pic",
                             &error_abort);
    qdev_init_nofail(dev);

    /* We only emulate 2 out of 3 IDE controllers for now */
    ide_drive_get(hd, ARRAY_SIZE(hd));

    macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
                                                        "ide[0]"));
    macio_ide_init_drives(macio_ide, hd);

    macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
                                                        "ide[1]"));
    macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);

    if (has_adb) {
        if (has_pmu) {
            dev = DEVICE(object_resolve_path_component(OBJECT(macio), "pmu"));
        } else {
            dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
        }

        adb_bus = qdev_get_child_bus(dev, "adb.0");
        dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
        qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
        qdev_init_nofail(dev);

        dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
        qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
        qdev_init_nofail(dev);
    }

    if (machine->usb) {
        pci_create_simple(pci_bus, -1, "pci-ohci");

        /* U3 needs to use USB for input because Linux doesn't support via-cuda
        on PPC64 */
        if (!has_adb || machine_arch == ARCH_MAC99_U3) {
            USBBus *usb_bus = usb_bus_find(-1);

            usb_create_simple(usb_bus, "usb-kbd");
            usb_create_simple(usb_bus, "usb-mouse");
        }
    }

    pci_vga_init(pci_bus);

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) {
        graphic_depth = 15;
    }

    for (i = 0; i < nb_nics; i++) {
        pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
    }

    /* The NewWorld NVRAM is not located in the MacIO device */
#ifdef CONFIG_KVM
    if (kvm_enabled() && getpagesize() > 4096) {
        /* We can't combine read-write and read-only in a single page, so
           move the NVRAM out of ROM again for KVM */
        nvram_addr = 0xFFE00000;
    }
#endif
    dev = qdev_create(NULL, TYPE_MACIO_NVRAM);
    qdev_prop_set_uint32(dev, "size", 0x2000);
    qdev_prop_set_uint32(dev, "it_shift", 1);
    qdev_init_nofail(dev);
    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr);
    nvr = MACIO_NVRAM(dev);
    pmac_format_nvram_partition(nvr, 0x2000);
    /* No PCI init: the BIOS will do it */

    dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
    fw_cfg = FW_CFG(dev);
    qdev_prop_set_uint32(dev, "data_width", 1);
    qdev_prop_set_bit(dev, "dma_enabled", false);
    object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
                              OBJECT(fw_cfg), NULL);
    qdev_init_nofail(dev);
    s = SYS_BUS_DEVICE(dev);
    sysbus_mmio_map(s, 0, CFG_ADDR);
    sysbus_mmio_map(s, 1, CFG_ADDR + 2);

    fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
    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, machine_arch);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
        pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);

    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);

    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_VIACONFIG, core99_machine->via_config);

    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
    if (kvm_enabled()) {
#ifdef CONFIG_KVM
        uint8_t *hypercall;

        hypercall = g_malloc(16);
        kvmppc_get_hypercall(env, hypercall, 16);
        fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
#endif
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
    /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr);

    /* MacOS NDRV VGA driver */
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME);
    if (filename) {
        gchar *ndrv_file;
        gsize ndrv_size;

        if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) {
            fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size);
        }
        g_free(filename);
    }

    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
예제 #13
0
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_init (ram_addr_t ram_size,
                             const char *boot_device,
                             const char *kernel_filename,
                             const char *kernel_cmdline,
                             const char *initrd_filename,
                             const char *cpu_model)
{
    CPUState *env = NULL, *envs[MAX_CPUS];
    char *filename;
    qemu_irq *pic, **openpic_irqs;
    int unin_memory;
    int linux_boot, i;
    ram_addr_t ram_offset, bios_offset, vga_bios_offset;
    uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
    PCIBus *pci_bus;
    MacIONVRAMState *nvr;
    int nvram_mem_index;
    int vga_bios_size, bios_size;
    qemu_irq *dummy_irq;
    int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
    int ppc_boot_device;
    int index;
    BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    void *fw_cfg;
    void *dbdma;
    uint8_t *vga_bios_ptr;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (cpu_model == NULL)
        cpu_model = "G4";
    for (i = 0; i < smp_cpus; i++) {
        env = cpu_init(cpu_model);
        if (!env) {
            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
            exit(1);
        }
        /* Set time-base frequency to 100 Mhz */
        cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
#if 0
        env->osi_call = vga_osi_call;
#endif
        qemu_register_reset(&cpu_ppc_reset, env);
        envs[i] = env;
    }

    /* allocate RAM */
    ram_offset = qemu_ram_alloc(ram_size);
    cpu_register_physical_memory(0, ram_size, ram_offset);

    /* allocate and load BIOS */
    bios_offset = qemu_ram_alloc(BIOS_SIZE);
    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);

    /* Load OpenBIOS (ELF) */
    if (filename) {
        bios_size = load_elf(filename, 0, NULL, NULL, NULL);
        qemu_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
        exit(1);
    }

    /* allocate and load VGA BIOS */
    vga_bios_offset = qemu_ram_alloc(VGA_BIOS_SIZE);
    vga_bios_ptr = qemu_get_ram_ptr(vga_bios_offset);
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, VGABIOS_FILENAME);
    if (filename) {
        vga_bios_size = load_image(filename, vga_bios_ptr + 8);
        qemu_free(filename);
    } else {
        vga_bios_size = -1;
    }
    if (vga_bios_size < 0) {
        /* if no bios is present, we can still work */
        fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n",
                VGABIOS_FILENAME);
        vga_bios_size = 0;
    } else {
        /* set a specific header (XXX: find real Apple format for NDRV
           drivers) */
        vga_bios_ptr[0] = 'N';
        vga_bios_ptr[1] = 'D';
        vga_bios_ptr[2] = 'R';
        vga_bios_ptr[3] = 'V';
        cpu_to_be32w((uint32_t *)(vga_bios_ptr + 4), vga_bios_size);
        vga_bios_size += 8;
    }

    if (linux_boot) {
        uint64_t lowaddr = 0;
        kernel_base = KERNEL_LOAD_ADDR;

        /* Now we can load the kernel. The first step tries to load the kernel
           supposing PhysAddr = 0x00000000. If that was wrong the kernel is
           loaded again, the new PhysAddr being computed from lowaddr. */
        kernel_size = load_elf(kernel_filename, kernel_base, NULL, &lowaddr, NULL);
        if (kernel_size > 0 && lowaddr != KERNEL_LOAD_ADDR) {
            kernel_size = load_elf(kernel_filename, (2 * kernel_base) - lowaddr,
                                   NULL, NULL, NULL);
        }
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, kernel_base,
                                    ram_size - kernel_base);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              kernel_base,
                                              ram_size - kernel_base);
        if (kernel_size < 0) {
            hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = INITRD_LOAD_ADDR;
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                hw_error("qemu: could not load initial ram disk '%s'\n",
                         initrd_filename);
                exit(1);
            }
        } else {
            initrd_base = 0;
            initrd_size = 0;
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        /* We consider that NewWorld PowerMac never have any floppy drive
         * For now, OHW cannot boot from the network.
         */
        for (i = 0; boot_device[i] != '\0'; i++) {
            if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
        }
        if (ppc_boot_device == '\0') {
            fprintf(stderr, "No valid boot device for Mac99 machine\n");
            exit(1);
        }
    }

    isa_mem_base = 0x80000000;

    /* Register 8 MB of ISA IO space */
    isa_mmio_init(0xf2000000, 0x00800000);

    /* UniN init */
    unin_memory = cpu_register_io_memory(unin_read, unin_write, NULL);
    cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);

    openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
    openpic_irqs[0] =
        qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
    for (i = 0; i < smp_cpus; i++) {
        /* Mac99 IRQ connection between OpenPIC outputs pins
         * and PowerPC input pins
         */
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
            break;
#if defined(TARGET_PPC64)
        case PPC_FLAGS_INPUT_970:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
            break;
#endif /* defined(TARGET_PPC64) */
        default:
            hw_error("Bus model not supported on mac99 machine\n");
            exit(1);
        }
    }
    pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
    pci_bus = pci_pmac_init(pic);
    /* init basic PC hardware */
    pci_vga_init(pci_bus, vga_bios_offset, vga_bios_size);

    /* XXX: suppress that */
    dummy_irq = i8259_init(NULL);

    escc_mem_index = escc_init(0x80013000, dummy_irq[4], dummy_irq[5],
                               serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);

    for(i = 0; i < nb_nics; i++)
        pci_nic_init(&nd_table[i], "ne2k_pci", NULL);

    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;
    }
    dbdma = DBDMA_init(&dbdma_mem_index);
    pci_cmd646_ide_init(pci_bus, hd, 0);

    /* cuda also initialize ADB */
    cuda_init(&cuda_mem_index, pic[0x19]);

    adb_kbd_init(&adb_bus);
    adb_mouse_init(&adb_bus);


    macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem_index,
               dbdma_mem_index, cuda_mem_index, NULL, 0, NULL,
               escc_mem_index);

    if (usb_enabled) {
        usb_ohci_init_pci(pci_bus, 3, -1);
    }

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
        graphic_depth = 15;

    /* The NewWorld NVRAM is not located in the MacIO device */
    nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 1);
    pmac_format_nvram_partition(nvr, 0x2000);
    macio_nvram_map(nvr, 0xFFF04000);
    /* No PCI init: the BIOS will do it */

    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_MAC99);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
        pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
예제 #14
0
static void ppc_heathrow_init (ram_addr_t ram_size,
                               const char *boot_device,
                               const char *kernel_filename,
                               const char *kernel_cmdline,
                               const char *initrd_filename,
                               const char *cpu_model)
{
    CPUState *env = NULL;
    char *filename;
    qemu_irq *pic, **heathrow_irqs;
    int linux_boot, i;
    ram_addr_t ram_offset, bios_offset;
    uint32_t kernel_base, initrd_base, cmdline_base = 0;
    int32_t kernel_size, initrd_size;
    PCIBus *pci_bus;
    MacIONVRAMState *nvr;
    int bios_size;
    int pic_mem_index, nvram_mem_index, dbdma_mem_index, cuda_mem_index;
    int escc_mem_index, ide_mem_index[2];
    uint16_t ppc_boot_device;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    void *fw_cfg;
    void *dbdma;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (cpu_model == NULL)
        cpu_model = "G3";
    for (i = 0; i < smp_cpus; i++) {
        env = cpu_init(cpu_model);
        if (!env) {
            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
            exit(1);
        }
        /* Set time-base frequency to 16.6 Mhz */
        cpu_ppc_tb_init(env,  16600000UL);
        qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
    }

    /* allocate RAM */
    if (ram_size > (2047 << 20)) {
        fprintf(stderr,
                "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
                ((unsigned int)ram_size / (1 << 20)));
        exit(1);
    }

    ram_offset = qemu_ram_alloc(NULL, "ppc_heathrow.ram", ram_size);
    cpu_register_physical_memory(0, ram_size, ram_offset);

    /* allocate and load BIOS */
    bios_offset = qemu_ram_alloc(NULL, "ppc_heathrow.bios", BIOS_SIZE);
    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);

    /* Load OpenBIOS (ELF) */
    if (filename) {
        bios_size = load_elf(filename, 0, NULL, NULL, NULL, NULL,
                             1, ELF_MACHINE, 0);
        qemu_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
        exit(1);
    }

    if (linux_boot) {
        uint64_t lowaddr = 0;
        int bswap_needed;

#ifdef BSWAP_NEEDED
        bswap_needed = 1;
#else
        bswap_needed = 0;
#endif
        kernel_base = KERNEL_LOAD_ADDR;
        kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
                               NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, kernel_base,
                                    ram_size - kernel_base, bswap_needed,
                                    TARGET_PAGE_SIZE);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              kernel_base,
                                              ram_size - kernel_base);
        if (kernel_size < 0) {
            hw_error("qemu: could not load kernel '%s'\n",
                      kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                hw_error("qemu: could not load initial ram disk '%s'\n",
                         initrd_filename);
                exit(1);
            }
            cmdline_base = round_page(initrd_base + initrd_size);
        } else {
            initrd_base = 0;
            initrd_size = 0;
            cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        for (i = 0; boot_device[i] != '\0'; i++) {
            /* TOFIX: for now, the second IDE channel is not properly
             *        used by OHW. The Mac floppy disk are not emulated.
             *        For now, OHW cannot boot from the network.
             */
#if 0
            if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
#else
            if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
                ppc_boot_device = boot_device[i];
                break;
            }
#endif
        }
        if (ppc_boot_device == '\0') {
            fprintf(stderr, "No valid boot device for G3 Beige machine\n");
            exit(1);
        }
    }

    isa_mem_base = 0x80000000;

    /* Register 2 MB of ISA IO space */
    isa_mmio_init(0xfe000000, 0x00200000);

    /* XXX: we register only 1 output pin for heathrow PIC */
    heathrow_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
    heathrow_irqs[0] =
        qemu_mallocz(smp_cpus * sizeof(qemu_irq) * 1);
    /* Connect the heathrow PIC outputs to the 6xx bus */
    for (i = 0; i < smp_cpus; i++) {
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            heathrow_irqs[i] = heathrow_irqs[0] + (i * 1);
            heathrow_irqs[i][0] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            break;
        default:
            hw_error("Bus model not supported on OldWorld Mac machine\n");
        }
    }

    /* init basic PC hardware */
    if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
        hw_error("Only 6xx bus is supported on heathrow machine\n");
    }
    pic = heathrow_pic_init(&pic_mem_index, 1, heathrow_irqs);
    pci_bus = pci_grackle_init(0xfec00000, pic);
    pci_vga_init(pci_bus);

    escc_mem_index = escc_init(0x80013000, pic[0x0f], pic[0x10], serial_hds[0],
                               serial_hds[1], ESCC_CLOCK, 4);

    for(i = 0; i < nb_nics; i++)
        pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);


    ide_drive_get(hd, MAX_IDE_BUS);

    /* First IDE channel is a MAC IDE on the MacIO bus */
    dbdma = DBDMA_init(&dbdma_mem_index);
    ide_mem_index[0] = -1;
    ide_mem_index[1] = pmac_ide_init(hd, pic[0x0D], dbdma, 0x16, pic[0x02]);

    /* Second IDE channel is a CMD646 on the PCI bus */
    hd[0] = hd[MAX_IDE_DEVS];
    hd[1] = hd[MAX_IDE_DEVS + 1];
    hd[3] = hd[2] = NULL;
    pci_cmd646_ide_init(pci_bus, hd, 0);

    /* cuda also initialize ADB */
    cuda_init(&cuda_mem_index, pic[0x12]);

    adb_kbd_init(&adb_bus);
    adb_mouse_init(&adb_bus);

    nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 4);
    pmac_format_nvram_partition(nvr, 0x2000);

    macio_init(pci_bus, PCI_DEVICE_ID_APPLE_343S1201, 1, pic_mem_index,
               dbdma_mem_index, cuda_mem_index, nvr, 2, ide_mem_index,
               escc_mem_index);

    if (usb_enabled) {
        usb_ohci_init_pci(pci_bus, -1);
    }

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
        graphic_depth = 15;

    /* No PCI init: the BIOS will do it */

    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
        pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);

    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);

    fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
    if (kvm_enabled()) {
#ifdef CONFIG_KVM
        uint8_t *hypercall;

        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
        hypercall = qemu_malloc(16);
        kvmppc_get_hypercall(env, hypercall, 16);
        fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
#endif
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
    }

    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
예제 #15
0
struct icp_state *xics_system_init(int nr_irqs)
{
    CPUPPCState *env;
    int max_server_num;
    int i;
    struct icp_state *icp;
    struct ics_state *ics;

    max_server_num = -1;
    for (env = first_cpu; env != NULL; env = env->next_cpu) {
        if (env->cpu_index > max_server_num) {
            max_server_num = env->cpu_index;
        }
    }

    icp = g_malloc0(sizeof(*icp));
    icp->nr_servers = max_server_num + 1;
    icp->ss = g_malloc0(icp->nr_servers*sizeof(struct icp_server_state));

    for (i = 0; i < icp->nr_servers; i++) {
        icp->ss[i].mfrr = 0xff;
    }

    for (env = first_cpu; env != NULL; env = env->next_cpu) {
        struct icp_server_state *ss = &icp->ss[env->cpu_index];

        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_POWER7:
            ss->output = env->irq_inputs[POWER7_INPUT_INT];
            break;

        case PPC_FLAGS_INPUT_970:
            ss->output = env->irq_inputs[PPC970_INPUT_INT];
            break;

        default:
            hw_error("XICS interrupt model does not support this CPU bus "
                     "model\n");
            exit(1);
        }
    }

    ics = g_malloc0(sizeof(*ics));
    ics->nr_irqs = nr_irqs;
    ics->offset = 16;
    ics->irqs = g_malloc0(nr_irqs * sizeof(struct ics_irq_state));

    icp->ics = ics;
    ics->icp = icp;

    for (i = 0; i < nr_irqs; i++) {
        ics->irqs[i].priority = 0xff;
        ics->irqs[i].saved_priority = 0xff;
    }

    ics->qirqs = qemu_allocate_irqs(ics_set_irq, ics, nr_irqs);

    spapr_register_hypercall(H_CPPR, h_cppr);
    spapr_register_hypercall(H_IPI, h_ipi);
    spapr_register_hypercall(H_XIRR, h_xirr);
    spapr_register_hypercall(H_EOI, h_eoi);

    spapr_rtas_register("ibm,set-xive", rtas_set_xive);
    spapr_rtas_register("ibm,get-xive", rtas_get_xive);
    spapr_rtas_register("ibm,int-off", rtas_int_off);
    spapr_rtas_register("ibm,int-on", rtas_int_on);

    return icp;
}