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sun4u.c (27345B)


      1 /*
      2  * QEMU Sun4u/Sun4v System Emulator
      3  *
      4  * Copyright (c) 2005 Fabrice Bellard
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a copy
      7  * of this software and associated documentation files (the "Software"), to deal
      8  * in the Software without restriction, including without limitation the rights
      9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     10  * copies of the Software, and to permit persons to whom the Software is
     11  * furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     22  * THE SOFTWARE.
     23  */
     24 
     25 #include "qemu/osdep.h"
     26 #include "qemu/units.h"
     27 #include "qemu/error-report.h"
     28 #include "qapi/error.h"
     29 #include "qemu/datadir.h"
     30 #include "cpu.h"
     31 #include "hw/pci/pci.h"
     32 #include "hw/pci/pci_bridge.h"
     33 #include "hw/pci/pci_bus.h"
     34 #include "hw/pci/pci_host.h"
     35 #include "hw/qdev-properties.h"
     36 #include "hw/pci-host/sabre.h"
     37 #include "hw/char/serial.h"
     38 #include "hw/char/parallel.h"
     39 #include "hw/rtc/m48t59.h"
     40 #include "migration/vmstate.h"
     41 #include "hw/input/i8042.h"
     42 #include "hw/block/fdc.h"
     43 #include "net/net.h"
     44 #include "qemu/timer.h"
     45 #include "sysemu/runstate.h"
     46 #include "sysemu/sysemu.h"
     47 #include "hw/boards.h"
     48 #include "hw/nvram/sun_nvram.h"
     49 #include "hw/nvram/chrp_nvram.h"
     50 #include "hw/sparc/sparc64.h"
     51 #include "hw/nvram/fw_cfg.h"
     52 #include "hw/sysbus.h"
     53 #include "hw/ide/pci.h"
     54 #include "hw/loader.h"
     55 #include "hw/fw-path-provider.h"
     56 #include "elf.h"
     57 #include "trace.h"
     58 #include "qom/object.h"
     59 
     60 #define KERNEL_LOAD_ADDR     0x00404000
     61 #define CMDLINE_ADDR         0x003ff000
     62 #define PROM_SIZE_MAX        (4 * MiB)
     63 #define PROM_VADDR           0x000ffd00000ULL
     64 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
     65 #define PBM_MEM_BASE         0x1ff00000000ULL
     66 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
     67 #define PROM_FILENAME        "openbios-sparc64"
     68 #define NVRAM_SIZE           0x2000
     69 #define BIOS_CFG_IOPORT      0x510
     70 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
     71 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
     72 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
     73 
     74 #define IVEC_MAX             0x40
     75 
     76 struct hwdef {
     77     uint16_t machine_id;
     78     uint64_t prom_addr;
     79     uint64_t console_serial_base;
     80 };
     81 
     82 struct EbusState {
     83     /*< private >*/
     84     PCIDevice parent_obj;
     85 
     86     ISABus *isa_bus;
     87     qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
     88     uint64_t console_serial_base;
     89     MemoryRegion bar0;
     90     MemoryRegion bar1;
     91 };
     92 
     93 #define TYPE_EBUS "ebus"
     94 OBJECT_DECLARE_SIMPLE_TYPE(EbusState, EBUS)
     95 
     96 const char *fw_cfg_arch_key_name(uint16_t key)
     97 {
     98     static const struct {
     99         uint16_t key;
    100         const char *name;
    101     } fw_cfg_arch_wellknown_keys[] = {
    102         {FW_CFG_SPARC64_WIDTH, "width"},
    103         {FW_CFG_SPARC64_HEIGHT, "height"},
    104         {FW_CFG_SPARC64_DEPTH, "depth"},
    105     };
    106 
    107     for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
    108         if (fw_cfg_arch_wellknown_keys[i].key == key) {
    109             return fw_cfg_arch_wellknown_keys[i].name;
    110         }
    111     }
    112     return NULL;
    113 }
    114 
    115 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
    116                             Error **errp)
    117 {
    118     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
    119 }
    120 
    121 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
    122                                   const char *arch, ram_addr_t RAM_size,
    123                                   const char *boot_devices,
    124                                   uint32_t kernel_image, uint32_t kernel_size,
    125                                   const char *cmdline,
    126                                   uint32_t initrd_image, uint32_t initrd_size,
    127                                   uint32_t NVRAM_image,
    128                                   int width, int height, int depth,
    129                                   const uint8_t *macaddr)
    130 {
    131     unsigned int i;
    132     int sysp_end;
    133     uint8_t image[0x1ff0];
    134     NvramClass *k = NVRAM_GET_CLASS(nvram);
    135 
    136     memset(image, '\0', sizeof(image));
    137 
    138     /* OpenBIOS nvram variables partition */
    139     sysp_end = chrp_nvram_create_system_partition(image, 0, 0x1fd0);
    140 
    141     /* Free space partition */
    142     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
    143 
    144     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
    145 
    146     for (i = 0; i < sizeof(image); i++) {
    147         (k->write)(nvram, i, image[i]);
    148     }
    149 
    150     return 0;
    151 }
    152 
    153 static uint64_t sun4u_load_kernel(const char *kernel_filename,
    154                                   const char *initrd_filename,
    155                                   ram_addr_t RAM_size, uint64_t *initrd_size,
    156                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
    157                                   uint64_t *kernel_entry)
    158 {
    159     int linux_boot;
    160     unsigned int i;
    161     long kernel_size;
    162     uint8_t *ptr;
    163     uint64_t kernel_top = 0;
    164 
    165     linux_boot = (kernel_filename != NULL);
    166 
    167     kernel_size = 0;
    168     if (linux_boot) {
    169         int bswap_needed;
    170 
    171 #ifdef BSWAP_NEEDED
    172         bswap_needed = 1;
    173 #else
    174         bswap_needed = 0;
    175 #endif
    176         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
    177                                kernel_addr, &kernel_top, NULL, 1, EM_SPARCV9, 0,
    178                                0);
    179         if (kernel_size < 0) {
    180             *kernel_addr = KERNEL_LOAD_ADDR;
    181             *kernel_entry = KERNEL_LOAD_ADDR;
    182             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
    183                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
    184                                     TARGET_PAGE_SIZE);
    185         }
    186         if (kernel_size < 0) {
    187             kernel_size = load_image_targphys(kernel_filename,
    188                                               KERNEL_LOAD_ADDR,
    189                                               RAM_size - KERNEL_LOAD_ADDR);
    190         }
    191         if (kernel_size < 0) {
    192             error_report("could not load kernel '%s'", kernel_filename);
    193             exit(1);
    194         }
    195         /* load initrd above kernel */
    196         *initrd_size = 0;
    197         if (initrd_filename && kernel_top) {
    198             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
    199 
    200             *initrd_size = load_image_targphys(initrd_filename,
    201                                                *initrd_addr,
    202                                                RAM_size - *initrd_addr);
    203             if ((int)*initrd_size < 0) {
    204                 error_report("could not load initial ram disk '%s'",
    205                              initrd_filename);
    206                 exit(1);
    207             }
    208         }
    209         if (*initrd_size > 0) {
    210             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
    211                 ptr = rom_ptr(*kernel_addr + i, 32);
    212                 if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
    213                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
    214                     stl_p(ptr + 28, *initrd_size);
    215                     break;
    216                 }
    217             }
    218         }
    219     }
    220     return kernel_size;
    221 }
    222 
    223 typedef struct ResetData {
    224     SPARCCPU *cpu;
    225     uint64_t prom_addr;
    226 } ResetData;
    227 
    228 #define TYPE_SUN4U_POWER "power"
    229 OBJECT_DECLARE_SIMPLE_TYPE(PowerDevice, SUN4U_POWER)
    230 
    231 struct PowerDevice {
    232     SysBusDevice parent_obj;
    233 
    234     MemoryRegion power_mmio;
    235 };
    236 
    237 /* Power */
    238 static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
    239 {
    240     return 0;
    241 }
    242 
    243 static void power_mem_write(void *opaque, hwaddr addr,
    244                             uint64_t val, unsigned size)
    245 {
    246     /* According to a real Ultra 5, bit 24 controls the power */
    247     if (val & 0x1000000) {
    248         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
    249     }
    250 }
    251 
    252 static const MemoryRegionOps power_mem_ops = {
    253     .read = power_mem_read,
    254     .write = power_mem_write,
    255     .endianness = DEVICE_NATIVE_ENDIAN,
    256     .valid = {
    257         .min_access_size = 4,
    258         .max_access_size = 4,
    259     },
    260 };
    261 
    262 static void power_realize(DeviceState *dev, Error **errp)
    263 {
    264     PowerDevice *d = SUN4U_POWER(dev);
    265     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
    266 
    267     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
    268                           "power", sizeof(uint32_t));
    269 
    270     sysbus_init_mmio(sbd, &d->power_mmio);
    271 }
    272 
    273 static void power_class_init(ObjectClass *klass, void *data)
    274 {
    275     DeviceClass *dc = DEVICE_CLASS(klass);
    276 
    277     dc->realize = power_realize;
    278 }
    279 
    280 static const TypeInfo power_info = {
    281     .name          = TYPE_SUN4U_POWER,
    282     .parent        = TYPE_SYS_BUS_DEVICE,
    283     .instance_size = sizeof(PowerDevice),
    284     .class_init    = power_class_init,
    285 };
    286 
    287 static void ebus_isa_irq_handler(void *opaque, int n, int level)
    288 {
    289     EbusState *s = EBUS(opaque);
    290     qemu_irq irq = s->isa_bus_irqs[n];
    291 
    292     /* Pass ISA bus IRQs onto their gpio equivalent */
    293     trace_ebus_isa_irq_handler(n, level);
    294     if (irq) {
    295         qemu_set_irq(irq, level);
    296     }
    297 }
    298 
    299 /* EBUS (Eight bit bus) bridge */
    300 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
    301 {
    302     EbusState *s = EBUS(pci_dev);
    303     ISADevice *isa_dev;
    304     SysBusDevice *sbd;
    305     DeviceState *dev;
    306     qemu_irq *isa_irq;
    307     DriveInfo *fd[MAX_FD];
    308     int i;
    309 
    310     s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
    311                              pci_address_space_io(pci_dev), errp);
    312     if (!s->isa_bus) {
    313         error_setg(errp, "unable to instantiate EBUS ISA bus");
    314         return;
    315     }
    316 
    317     /* ISA bus */
    318     isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
    319     isa_bus_irqs(s->isa_bus, isa_irq);
    320     qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
    321                              ISA_NUM_IRQS);
    322 
    323     /* Serial ports */
    324     i = 0;
    325     if (s->console_serial_base) {
    326         serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
    327                        0, NULL, 115200, serial_hd(i), DEVICE_BIG_ENDIAN);
    328         i++;
    329     }
    330     serial_hds_isa_init(s->isa_bus, i, MAX_ISA_SERIAL_PORTS);
    331 
    332     /* Parallel ports */
    333     parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
    334 
    335     /* Keyboard */
    336     isa_create_simple(s->isa_bus, TYPE_I8042);
    337 
    338     /* Floppy */
    339     for (i = 0; i < MAX_FD; i++) {
    340         fd[i] = drive_get(IF_FLOPPY, 0, i);
    341     }
    342     isa_dev = isa_new(TYPE_ISA_FDC);
    343     dev = DEVICE(isa_dev);
    344     qdev_prop_set_uint32(dev, "dma", -1);
    345     isa_realize_and_unref(isa_dev, s->isa_bus, &error_fatal);
    346     isa_fdc_init_drives(isa_dev, fd);
    347 
    348     /* Power */
    349     dev = qdev_new(TYPE_SUN4U_POWER);
    350     sbd = SYS_BUS_DEVICE(dev);
    351     sysbus_realize_and_unref(sbd, &error_fatal);
    352     memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
    353                                 sysbus_mmio_get_region(sbd, 0));
    354 
    355     /* PCI */
    356     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
    357     pci_dev->config[0x05] = 0x00;
    358     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
    359     pci_dev->config[0x07] = 0x03; // status = medium devsel
    360     pci_dev->config[0x09] = 0x00; // programming i/f
    361     pci_dev->config[0x0D] = 0x0a; // latency_timer
    362 
    363     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
    364                              0, 0x1000000);
    365     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
    366     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
    367                              0, 0x8000);
    368     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
    369 }
    370 
    371 static Property ebus_properties[] = {
    372     DEFINE_PROP_UINT64("console-serial-base", EbusState,
    373                        console_serial_base, 0),
    374     DEFINE_PROP_END_OF_LIST(),
    375 };
    376 
    377 static void ebus_class_init(ObjectClass *klass, void *data)
    378 {
    379     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
    380     DeviceClass *dc = DEVICE_CLASS(klass);
    381 
    382     k->realize = ebus_realize;
    383     k->vendor_id = PCI_VENDOR_ID_SUN;
    384     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
    385     k->revision = 0x01;
    386     k->class_id = PCI_CLASS_BRIDGE_OTHER;
    387     device_class_set_props(dc, ebus_properties);
    388 }
    389 
    390 static const TypeInfo ebus_info = {
    391     .name          = TYPE_EBUS,
    392     .parent        = TYPE_PCI_DEVICE,
    393     .class_init    = ebus_class_init,
    394     .instance_size = sizeof(EbusState),
    395     .interfaces = (InterfaceInfo[]) {
    396         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
    397         { },
    398     },
    399 };
    400 
    401 #define TYPE_OPENPROM "openprom"
    402 typedef struct PROMState PROMState;
    403 DECLARE_INSTANCE_CHECKER(PROMState, OPENPROM,
    404                          TYPE_OPENPROM)
    405 
    406 struct PROMState {
    407     SysBusDevice parent_obj;
    408 
    409     MemoryRegion prom;
    410 };
    411 
    412 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
    413 {
    414     hwaddr *base_addr = (hwaddr *)opaque;
    415     return addr + *base_addr - PROM_VADDR;
    416 }
    417 
    418 /* Boot PROM (OpenBIOS) */
    419 static void prom_init(hwaddr addr, const char *bios_name)
    420 {
    421     DeviceState *dev;
    422     SysBusDevice *s;
    423     char *filename;
    424     int ret;
    425 
    426     dev = qdev_new(TYPE_OPENPROM);
    427     s = SYS_BUS_DEVICE(dev);
    428     sysbus_realize_and_unref(s, &error_fatal);
    429 
    430     sysbus_mmio_map(s, 0, addr);
    431 
    432     /* load boot prom */
    433     if (bios_name == NULL) {
    434         bios_name = PROM_FILENAME;
    435     }
    436     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    437     if (filename) {
    438         ret = load_elf(filename, NULL, translate_prom_address, &addr,
    439                        NULL, NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
    440         if (ret < 0 || ret > PROM_SIZE_MAX) {
    441             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
    442         }
    443         g_free(filename);
    444     } else {
    445         ret = -1;
    446     }
    447     if (ret < 0 || ret > PROM_SIZE_MAX) {
    448         error_report("could not load prom '%s'", bios_name);
    449         exit(1);
    450     }
    451 }
    452 
    453 static void prom_realize(DeviceState *ds, Error **errp)
    454 {
    455     PROMState *s = OPENPROM(ds);
    456     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
    457     Error *local_err = NULL;
    458 
    459     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
    460                                      PROM_SIZE_MAX, &local_err);
    461     if (local_err) {
    462         error_propagate(errp, local_err);
    463         return;
    464     }
    465 
    466     vmstate_register_ram_global(&s->prom);
    467     memory_region_set_readonly(&s->prom, true);
    468     sysbus_init_mmio(dev, &s->prom);
    469 }
    470 
    471 static Property prom_properties[] = {
    472     {/* end of property list */},
    473 };
    474 
    475 static void prom_class_init(ObjectClass *klass, void *data)
    476 {
    477     DeviceClass *dc = DEVICE_CLASS(klass);
    478 
    479     device_class_set_props(dc, prom_properties);
    480     dc->realize = prom_realize;
    481 }
    482 
    483 static const TypeInfo prom_info = {
    484     .name          = TYPE_OPENPROM,
    485     .parent        = TYPE_SYS_BUS_DEVICE,
    486     .instance_size = sizeof(PROMState),
    487     .class_init    = prom_class_init,
    488 };
    489 
    490 
    491 #define TYPE_SUN4U_MEMORY "memory"
    492 typedef struct RamDevice RamDevice;
    493 DECLARE_INSTANCE_CHECKER(RamDevice, SUN4U_RAM,
    494                          TYPE_SUN4U_MEMORY)
    495 
    496 struct RamDevice {
    497     SysBusDevice parent_obj;
    498 
    499     MemoryRegion ram;
    500     uint64_t size;
    501 };
    502 
    503 /* System RAM */
    504 static void ram_realize(DeviceState *dev, Error **errp)
    505 {
    506     RamDevice *d = SUN4U_RAM(dev);
    507     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
    508 
    509     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
    510                            &error_fatal);
    511     vmstate_register_ram_global(&d->ram);
    512     sysbus_init_mmio(sbd, &d->ram);
    513 }
    514 
    515 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
    516 {
    517     DeviceState *dev;
    518     SysBusDevice *s;
    519     RamDevice *d;
    520 
    521     /* allocate RAM */
    522     dev = qdev_new(TYPE_SUN4U_MEMORY);
    523     s = SYS_BUS_DEVICE(dev);
    524 
    525     d = SUN4U_RAM(dev);
    526     d->size = RAM_size;
    527     sysbus_realize_and_unref(s, &error_fatal);
    528 
    529     sysbus_mmio_map(s, 0, addr);
    530 }
    531 
    532 static Property ram_properties[] = {
    533     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
    534     DEFINE_PROP_END_OF_LIST(),
    535 };
    536 
    537 static void ram_class_init(ObjectClass *klass, void *data)
    538 {
    539     DeviceClass *dc = DEVICE_CLASS(klass);
    540 
    541     dc->realize = ram_realize;
    542     device_class_set_props(dc, ram_properties);
    543 }
    544 
    545 static const TypeInfo ram_info = {
    546     .name          = TYPE_SUN4U_MEMORY,
    547     .parent        = TYPE_SYS_BUS_DEVICE,
    548     .instance_size = sizeof(RamDevice),
    549     .class_init    = ram_class_init,
    550 };
    551 
    552 static void sun4uv_init(MemoryRegion *address_space_mem,
    553                         MachineState *machine,
    554                         const struct hwdef *hwdef)
    555 {
    556     SPARCCPU *cpu;
    557     Nvram *nvram;
    558     unsigned int i;
    559     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
    560     SabreState *sabre;
    561     PCIBus *pci_bus, *pci_busA, *pci_busB;
    562     PCIDevice *ebus, *pci_dev;
    563     SysBusDevice *s;
    564     DeviceState *iommu, *dev;
    565     FWCfgState *fw_cfg;
    566     NICInfo *nd;
    567     MACAddr macaddr;
    568     bool onboard_nic;
    569 
    570     /* init CPUs */
    571     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
    572 
    573     /* IOMMU */
    574     iommu = qdev_new(TYPE_SUN4U_IOMMU);
    575     sysbus_realize_and_unref(SYS_BUS_DEVICE(iommu), &error_fatal);
    576 
    577     /* set up devices */
    578     ram_init(0, machine->ram_size);
    579 
    580     prom_init(hwdef->prom_addr, machine->firmware);
    581 
    582     /* Init sabre (PCI host bridge) */
    583     sabre = SABRE(qdev_new(TYPE_SABRE));
    584     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
    585     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
    586     object_property_set_link(OBJECT(sabre), "iommu", OBJECT(iommu),
    587                              &error_abort);
    588     sysbus_realize_and_unref(SYS_BUS_DEVICE(sabre), &error_fatal);
    589 
    590     /* sabre_config */
    591     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 0, PBM_SPECIAL_BASE);
    592     /* PCI configuration space */
    593     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 1, PBM_SPECIAL_BASE + 0x1000000ULL);
    594     /* pci_ioport */
    595     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 2, PBM_SPECIAL_BASE + 0x2000000ULL);
    596 
    597     /* Wire up PCI interrupts to CPU */
    598     for (i = 0; i < IVEC_MAX; i++) {
    599         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
    600             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
    601     }
    602 
    603     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
    604     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
    605     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
    606 
    607     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
    608        reserved (leaving no slots free after on-board devices) however slots
    609        0-3 are free on busB */
    610     pci_bus->slot_reserved_mask = 0xfffffffc;
    611     pci_busA->slot_reserved_mask = 0xfffffff1;
    612     pci_busB->slot_reserved_mask = 0xfffffff0;
    613 
    614     ebus = pci_new_multifunction(PCI_DEVFN(1, 0), true, TYPE_EBUS);
    615     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
    616                          hwdef->console_serial_base);
    617     pci_realize_and_unref(ebus, pci_busA, &error_fatal);
    618 
    619     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
    620     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
    621         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
    622     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
    623         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
    624     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
    625         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
    626     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
    627         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
    628     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
    629         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
    630 
    631     switch (vga_interface_type) {
    632     case VGA_STD:
    633         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
    634         vga_interface_created = true;
    635         break;
    636     case VGA_NONE:
    637         break;
    638     default:
    639         abort();   /* Should not happen - types are checked in vl.c already */
    640     }
    641 
    642     memset(&macaddr, 0, sizeof(MACAddr));
    643     onboard_nic = false;
    644     for (i = 0; i < nb_nics; i++) {
    645         PCIBus *bus;
    646         nd = &nd_table[i];
    647 
    648         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
    649             if (!onboard_nic) {
    650                 pci_dev = pci_new_multifunction(PCI_DEVFN(1, 1),
    651                                                    true, "sunhme");
    652                 bus = pci_busA;
    653                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
    654                 onboard_nic = true;
    655             } else {
    656                 pci_dev = pci_new(-1, "sunhme");
    657                 bus = pci_busB;
    658             }
    659         } else {
    660             pci_dev = pci_new(-1, nd->model);
    661             bus = pci_busB;
    662         }
    663 
    664         dev = &pci_dev->qdev;
    665         qdev_set_nic_properties(dev, nd);
    666         pci_realize_and_unref(pci_dev, bus, &error_fatal);
    667     }
    668 
    669     /* If we don't have an onboard NIC, grab a default MAC address so that
    670      * we have a valid machine id */
    671     if (!onboard_nic) {
    672         qemu_macaddr_default_if_unset(&macaddr);
    673     }
    674 
    675     pci_dev = pci_new(PCI_DEVFN(3, 0), "cmd646-ide");
    676     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
    677     pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
    678     pci_ide_create_devs(pci_dev);
    679 
    680     /* Map NVRAM into I/O (ebus) space */
    681     dev = qdev_new("sysbus-m48t59");
    682     qdev_prop_set_int32(dev, "base-year", 1968);
    683     s = SYS_BUS_DEVICE(dev);
    684     sysbus_realize_and_unref(s, &error_fatal);
    685     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
    686                                 sysbus_mmio_get_region(s, 0));
    687     nvram = NVRAM(dev);
    688  
    689     initrd_size = 0;
    690     initrd_addr = 0;
    691     kernel_size = sun4u_load_kernel(machine->kernel_filename,
    692                                     machine->initrd_filename,
    693                                     machine->ram_size, &initrd_size, &initrd_addr,
    694                                     &kernel_addr, &kernel_entry);
    695 
    696     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
    697                            machine->boot_config.order,
    698                            kernel_addr, kernel_size,
    699                            machine->kernel_cmdline,
    700                            initrd_addr, initrd_size,
    701                            /* XXX: need an option to load a NVRAM image */
    702                            0,
    703                            graphic_width, graphic_height, graphic_depth,
    704                            (uint8_t *)&macaddr);
    705 
    706     dev = qdev_new(TYPE_FW_CFG_IO);
    707     qdev_prop_set_bit(dev, "dma_enabled", false);
    708     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
    709     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
    710     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
    711                                 &FW_CFG_IO(dev)->comb_iomem);
    712 
    713     fw_cfg = FW_CFG(dev);
    714     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
    715     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
    716     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
    717     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
    718     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
    719     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    720     if (machine->kernel_cmdline) {
    721         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
    722                        strlen(machine->kernel_cmdline) + 1);
    723         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
    724     } else {
    725         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
    726     }
    727     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
    728     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    729     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_config.order[0]);
    730 
    731     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
    732     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
    733     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
    734 
    735     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
    736 }
    737 
    738 enum {
    739     sun4u_id = 0,
    740     sun4v_id = 64,
    741 };
    742 
    743 /*
    744  * Implementation of an interface to adjust firmware path
    745  * for the bootindex property handling.
    746  */
    747 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
    748                                DeviceState *dev)
    749 {
    750     PCIDevice *pci;
    751 
    752     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
    753         pci = PCI_DEVICE(dev);
    754 
    755         if (PCI_FUNC(pci->devfn)) {
    756             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
    757                                    PCI_FUNC(pci->devfn));
    758         } else {
    759             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
    760         }
    761     }
    762 
    763     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
    764         return g_strdup("disk");
    765     }
    766 
    767     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
    768         return g_strdup("cdrom");
    769     }
    770 
    771     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
    772         return g_strdup("disk");
    773     }
    774 
    775     return NULL;
    776 }
    777 
    778 static const struct hwdef hwdefs[] = {
    779     /* Sun4u generic PC-like machine */
    780     {
    781         .machine_id = sun4u_id,
    782         .prom_addr = 0x1fff0000000ULL,
    783         .console_serial_base = 0,
    784     },
    785     /* Sun4v generic PC-like machine */
    786     {
    787         .machine_id = sun4v_id,
    788         .prom_addr = 0x1fff0000000ULL,
    789         .console_serial_base = 0,
    790     },
    791 };
    792 
    793 /* Sun4u hardware initialisation */
    794 static void sun4u_init(MachineState *machine)
    795 {
    796     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
    797 }
    798 
    799 /* Sun4v hardware initialisation */
    800 static void sun4v_init(MachineState *machine)
    801 {
    802     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
    803 }
    804 
    805 static void sun4u_class_init(ObjectClass *oc, void *data)
    806 {
    807     MachineClass *mc = MACHINE_CLASS(oc);
    808     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
    809 
    810     mc->desc = "Sun4u platform";
    811     mc->init = sun4u_init;
    812     mc->block_default_type = IF_IDE;
    813     mc->max_cpus = 1; /* XXX for now */
    814     mc->is_default = true;
    815     mc->default_boot_order = "c";
    816     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
    817     mc->ignore_boot_device_suffixes = true;
    818     mc->default_display = "std";
    819     fwc->get_dev_path = sun4u_fw_dev_path;
    820 }
    821 
    822 static const TypeInfo sun4u_type = {
    823     .name = MACHINE_TYPE_NAME("sun4u"),
    824     .parent = TYPE_MACHINE,
    825     .class_init = sun4u_class_init,
    826     .interfaces = (InterfaceInfo[]) {
    827         { TYPE_FW_PATH_PROVIDER },
    828         { }
    829     },
    830 };
    831 
    832 static void sun4v_class_init(ObjectClass *oc, void *data)
    833 {
    834     MachineClass *mc = MACHINE_CLASS(oc);
    835 
    836     mc->desc = "Sun4v platform";
    837     mc->init = sun4v_init;
    838     mc->block_default_type = IF_IDE;
    839     mc->max_cpus = 1; /* XXX for now */
    840     mc->default_boot_order = "c";
    841     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
    842     mc->default_display = "std";
    843 }
    844 
    845 static const TypeInfo sun4v_type = {
    846     .name = MACHINE_TYPE_NAME("sun4v"),
    847     .parent = TYPE_MACHINE,
    848     .class_init = sun4v_class_init,
    849 };
    850 
    851 static void sun4u_register_types(void)
    852 {
    853     type_register_static(&power_info);
    854     type_register_static(&ebus_info);
    855     type_register_static(&prom_info);
    856     type_register_static(&ram_info);
    857 
    858     type_register_static(&sun4u_type);
    859     type_register_static(&sun4v_type);
    860 }
    861 
    862 type_init(sun4u_register_types)