hw/sparc64/sun4u.c

   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 #include "qemu/osdep.h"
  25 #include "qemu/units.h"
  26 #include "qemu/error-report.h"
  27 #include "qapi/error.h"
  28 #include "qemu-common.h"
  29 #include "cpu.h"
  30 #include "hw/hw.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/pci-host/sabre.h"
  36 #include "hw/char/serial.h"
  37 #include "hw/char/parallel.h"
  38 #include "hw/timer/m48t59.h"
  39 #include "hw/input/i8042.h"
  40 #include "hw/block/fdc.h"
  41 #include "net/net.h"
  42 #include "qemu/timer.h"
  43 #include "sysemu/sysemu.h"
  44 #include "hw/boards.h"
  45 #include "hw/nvram/sun_nvram.h"
  46 #include "hw/nvram/chrp_nvram.h"
  47 #include "hw/sparc/sparc64.h"
  48 #include "hw/nvram/fw_cfg.h"
  49 #include "hw/sysbus.h"
  50 #include "hw/ide.h"
  51 #include "hw/ide/pci.h"
  52 #include "hw/loader.h"
  53 #include "hw/fw-path-provider.h"
  54 #include "elf.h"
  55 #include "trace.h"
  56
  57 #define KERNEL_LOAD_ADDR     0x00404000
  58 #define CMDLINE_ADDR         0x003ff000
  59 #define PROM_SIZE_MAX        (4 * MiB)
  60 #define PROM_VADDR           0x000ffd00000ULL
  61 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
  62 #define PBM_MEM_BASE         0x1ff00000000ULL
  63 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
  64 #define PROM_FILENAME        "openbios-sparc64"
  65 #define NVRAM_SIZE           0x2000
  66 #define MAX_IDE_BUS          2
  67 #define BIOS_CFG_IOPORT      0x510
  68 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
  69 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
  70 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
  71
  72 #define IVEC_MAX             0x40
  73
  74 struct hwdef {
  75     uint16_t machine_id;
  76     uint64_t prom_addr;
  77     uint64_t console_serial_base;
  78 };
  79
  80 typedef struct EbusState {
  81     /*< private >*/
  82     PCIDevice parent_obj;
  83
  84     ISABus *isa_bus;
  85     qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
  86     uint64_t console_serial_base;
  87     MemoryRegion bar0;
  88     MemoryRegion bar1;
  89 } EbusState;
  90
  91 #define TYPE_EBUS "ebus"
  92 #define EBUS(obj) OBJECT_CHECK(EbusState, (obj), TYPE_EBUS)
  93
  94 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
  95                             Error **errp)
  96 {
  97     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
  98 }
  99
 100 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
 101                                   const char *arch, ram_addr_t RAM_size,
 102                                   const char *boot_devices,
 103                                   uint32_t kernel_image, uint32_t kernel_size,
 104                                   const char *cmdline,
 105                                   uint32_t initrd_image, uint32_t initrd_size,
 106                                   uint32_t NVRAM_image,
 107                                   int width, int height, int depth,
 108                                   const uint8_t *macaddr)
 109 {
 110     unsigned int i;
 111     int sysp_end;
 112     uint8_t image[0x1ff0];
 113     NvramClass *k = NVRAM_GET_CLASS(nvram);
 114
 115     memset(image, '\0', sizeof(image));
 116
 117     /* OpenBIOS nvram variables partition */
 118     sysp_end = chrp_nvram_create_system_partition(image, 0);
 119
 120     /* Free space partition */
 121     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
 122
 123     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
 124
 125     for (i = 0; i < sizeof(image); i++) {
 126         (k->write)(nvram, i, image[i]);
 127     }
 128
 129     return 0;
 130 }
 131
 132 static uint64_t sun4u_load_kernel(const char *kernel_filename,
 133                                   const char *initrd_filename,
 134                                   ram_addr_t RAM_size, uint64_t *initrd_size,
 135                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
 136                                   uint64_t *kernel_entry)
 137 {
 138     int linux_boot;
 139     unsigned int i;
 140     long kernel_size;
 141     uint8_t *ptr;
 142     uint64_t kernel_top = 0;
 143
 144     linux_boot = (kernel_filename != NULL);
 145
 146     kernel_size = 0;
 147     if (linux_boot) {
 148         int bswap_needed;
 149
 150 #ifdef BSWAP_NEEDED
 151         bswap_needed = 1;
 152 #else
 153         bswap_needed = 0;
 154 #endif
 155         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
 156                                kernel_addr, &kernel_top, 1, EM_SPARCV9, 0, 0);
 157         if (kernel_size < 0) {
 158             *kernel_addr = KERNEL_LOAD_ADDR;
 159             *kernel_entry = KERNEL_LOAD_ADDR;
 160             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
 161                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
 162                                     TARGET_PAGE_SIZE);
 163         }
 164         if (kernel_size < 0) {
 165             kernel_size = load_image_targphys(kernel_filename,
 166                                               KERNEL_LOAD_ADDR,
 167                                               RAM_size - KERNEL_LOAD_ADDR);
 168         }
 169         if (kernel_size < 0) {
 170             error_report("could not load kernel '%s'", kernel_filename);
 171             exit(1);
 172         }
 173         /* load initrd above kernel */
 174         *initrd_size = 0;
 175         if (initrd_filename && kernel_top) {
 176             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
 177
 178             *initrd_size = load_image_targphys(initrd_filename,
 179                                                *initrd_addr,
 180                                                RAM_size - *initrd_addr);
 181             if ((int)*initrd_size < 0) {
 182                 error_report("could not load initial ram disk '%s'",
 183                              initrd_filename);
 184                 exit(1);
 185             }
 186         }
 187         if (*initrd_size > 0) {
 188             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
 189                 ptr = rom_ptr(*kernel_addr + i, 32);
 190                 if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
 191                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
 192                     stl_p(ptr + 28, *initrd_size);
 193                     break;
 194                 }
 195             }
 196         }
 197     }
 198     return kernel_size;
 199 }
 200
 201 typedef struct ResetData {
 202     SPARCCPU *cpu;
 203     uint64_t prom_addr;
 204 } ResetData;
 205
 206 #define TYPE_SUN4U_POWER "power"
 207 #define SUN4U_POWER(obj) OBJECT_CHECK(PowerDevice, (obj), TYPE_SUN4U_POWER)
 208
 209 typedef struct PowerDevice {
 210     SysBusDevice parent_obj;
 211
 212     MemoryRegion power_mmio;
 213 } PowerDevice;
 214
 215 /* Power */
 216 static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
 217 {
 218     return 0;
 219 }
 220
 221 static void power_mem_write(void *opaque, hwaddr addr,
 222                             uint64_t val, unsigned size)
 223 {
 224     /* According to a real Ultra 5, bit 24 controls the power */
 225     if (val & 0x1000000) {
 226         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
 227     }
 228 }
 229
 230 static const MemoryRegionOps power_mem_ops = {
 231     .read = power_mem_read,
 232     .write = power_mem_write,
 233     .endianness = DEVICE_NATIVE_ENDIAN,
 234     .valid = {
 235         .min_access_size = 4,
 236         .max_access_size = 4,
 237     },
 238 };
 239
 240 static void power_realize(DeviceState *dev, Error **errp)
 241 {
 242     PowerDevice *d = SUN4U_POWER(dev);
 243     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
 244
 245     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
 246                           "power", sizeof(uint32_t));
 247
 248     sysbus_init_mmio(sbd, &d->power_mmio);
 249 }
 250
 251 static void power_class_init(ObjectClass *klass, void *data)
 252 {
 253     DeviceClass *dc = DEVICE_CLASS(klass);
 254
 255     dc->realize = power_realize;
 256 }
 257
 258 static const TypeInfo power_info = {
 259     .name          = TYPE_SUN4U_POWER,
 260     .parent        = TYPE_SYS_BUS_DEVICE,
 261     .instance_size = sizeof(PowerDevice),
 262     .class_init    = power_class_init,
 263 };
 264
 265 static void ebus_isa_irq_handler(void *opaque, int n, int level)
 266 {
 267     EbusState *s = EBUS(opaque);
 268     qemu_irq irq = s->isa_bus_irqs[n];
 269
 270     /* Pass ISA bus IRQs onto their gpio equivalent */
 271     trace_ebus_isa_irq_handler(n, level);
 272     if (irq) {
 273         qemu_set_irq(irq, level);
 274     }
 275 }
 276
 277 /* EBUS (Eight bit bus) bridge */
 278 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
 279 {
 280     EbusState *s = EBUS(pci_dev);
 281     SysBusDevice *sbd;
 282     DeviceState *dev;
 283     qemu_irq *isa_irq;
 284     DriveInfo *fd[MAX_FD];
 285     int i;
 286
 287     s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
 288                              pci_address_space_io(pci_dev), errp);
 289     if (!s->isa_bus) {
 290         error_setg(errp, "unable to instantiate EBUS ISA bus");
 291         return;
 292     }
 293
 294     /* ISA bus */
 295     isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
 296     isa_bus_irqs(s->isa_bus, isa_irq);
 297     qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
 298                              ISA_NUM_IRQS);
 299
 300     /* Serial ports */
 301     i = 0;
 302     if (s->console_serial_base) {
 303         serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
 304                        0, NULL, 115200, serial_hd(i), DEVICE_BIG_ENDIAN);
 305         i++;
 306     }
 307     serial_hds_isa_init(s->isa_bus, i, MAX_ISA_SERIAL_PORTS);
 308
 309     /* Parallel ports */
 310     parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
 311
 312     /* Keyboard */
 313     isa_create_simple(s->isa_bus, "i8042");
 314
 315     /* Floppy */
 316     for (i = 0; i < MAX_FD; i++) {
 317         fd[i] = drive_get(IF_FLOPPY, 0, i);
 318     }
 319     dev = DEVICE(isa_create(s->isa_bus, TYPE_ISA_FDC));
 320     if (fd[0]) {
 321         qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
 322                             &error_abort);
 323     }
 324     if (fd[1]) {
 325         qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
 326                             &error_abort);
 327     }
 328     qdev_prop_set_uint32(dev, "dma", -1);
 329     qdev_init_nofail(dev);
 330
 331     /* Power */
 332     dev = qdev_create(NULL, TYPE_SUN4U_POWER);
 333     qdev_init_nofail(dev);
 334     sbd = SYS_BUS_DEVICE(dev);
 335     memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
 336                                 sysbus_mmio_get_region(sbd, 0));
 337
 338     /* PCI */
 339     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
 340     pci_dev->config[0x05] = 0x00;
 341     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
 342     pci_dev->config[0x07] = 0x03; // status = medium devsel
 343     pci_dev->config[0x09] = 0x00; // programming i/f
 344     pci_dev->config[0x0D] = 0x0a; // latency_timer
 345
 346     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
 347                              0, 0x1000000);
 348     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
 349     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
 350                              0, 0x8000);
 351     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
 352 }
 353
 354 static Property ebus_properties[] = {
 355     DEFINE_PROP_UINT64("console-serial-base", EbusState,
 356                        console_serial_base, 0),
 357     DEFINE_PROP_END_OF_LIST(),
 358 };
 359
 360 static void ebus_class_init(ObjectClass *klass, void *data)
 361 {
 362     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 363     DeviceClass *dc = DEVICE_CLASS(klass);
 364
 365     k->realize = ebus_realize;
 366     k->vendor_id = PCI_VENDOR_ID_SUN;
 367     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
 368     k->revision = 0x01;
 369     k->class_id = PCI_CLASS_BRIDGE_OTHER;
 370     dc->props = ebus_properties;
 371 }
 372
 373 static const TypeInfo ebus_info = {
 374     .name          = TYPE_EBUS,
 375     .parent        = TYPE_PCI_DEVICE,
 376     .class_init    = ebus_class_init,
 377     .instance_size = sizeof(EbusState),
 378     .interfaces = (InterfaceInfo[]) {
 379         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
 380         { },
 381     },
 382 };
 383
 384 #define TYPE_OPENPROM "openprom"
 385 #define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
 386
 387 typedef struct PROMState {
 388     SysBusDevice parent_obj;
 389
 390     MemoryRegion prom;
 391 } PROMState;
 392
 393 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
 394 {
 395     hwaddr *base_addr = (hwaddr *)opaque;
 396     return addr + *base_addr - PROM_VADDR;
 397 }
 398
 399 /* Boot PROM (OpenBIOS) */
 400 static void prom_init(hwaddr addr, const char *bios_name)
 401 {
 402     DeviceState *dev;
 403     SysBusDevice *s;
 404     char *filename;
 405     int ret;
 406
 407     dev = qdev_create(NULL, TYPE_OPENPROM);
 408     qdev_init_nofail(dev);
 409     s = SYS_BUS_DEVICE(dev);
 410
 411     sysbus_mmio_map(s, 0, addr);
 412
 413     /* load boot prom */
 414     if (bios_name == NULL) {
 415         bios_name = PROM_FILENAME;
 416     }
 417     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 418     if (filename) {
 419         ret = load_elf(filename, NULL, translate_prom_address, &addr,
 420                        NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
 421         if (ret < 0 || ret > PROM_SIZE_MAX) {
 422             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
 423         }
 424         g_free(filename);
 425     } else {
 426         ret = -1;
 427     }
 428     if (ret < 0 || ret > PROM_SIZE_MAX) {
 429         error_report("could not load prom '%s'", bios_name);
 430         exit(1);
 431     }
 432 }
 433
 434 static void prom_realize(DeviceState *ds, Error **errp)
 435 {
 436     PROMState *s = OPENPROM(ds);
 437     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
 438     Error *local_err = NULL;
 439
 440     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
 441                                      PROM_SIZE_MAX, &local_err);
 442     if (local_err) {
 443         error_propagate(errp, local_err);
 444         return;
 445     }
 446
 447     vmstate_register_ram_global(&s->prom);
 448     memory_region_set_readonly(&s->prom, true);
 449     sysbus_init_mmio(dev, &s->prom);
 450 }
 451
 452 static Property prom_properties[] = {
 453     {/* end of property list */},
 454 };
 455
 456 static void prom_class_init(ObjectClass *klass, void *data)
 457 {
 458     DeviceClass *dc = DEVICE_CLASS(klass);
 459
 460     dc->props = prom_properties;
 461     dc->realize = prom_realize;
 462 }
 463
 464 static const TypeInfo prom_info = {
 465     .name          = TYPE_OPENPROM,
 466     .parent        = TYPE_SYS_BUS_DEVICE,
 467     .instance_size = sizeof(PROMState),
 468     .class_init    = prom_class_init,
 469 };
 470
 471
 472 #define TYPE_SUN4U_MEMORY "memory"
 473 #define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY)
 474
 475 typedef struct RamDevice {
 476     SysBusDevice parent_obj;
 477
 478     MemoryRegion ram;
 479     uint64_t size;
 480 } RamDevice;
 481
 482 /* System RAM */
 483 static void ram_realize(DeviceState *dev, Error **errp)
 484 {
 485     RamDevice *d = SUN4U_RAM(dev);
 486     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
 487
 488     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
 489                            &error_fatal);
 490     vmstate_register_ram_global(&d->ram);
 491     sysbus_init_mmio(sbd, &d->ram);
 492 }
 493
 494 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
 495 {
 496     DeviceState *dev;
 497     SysBusDevice *s;
 498     RamDevice *d;
 499
 500     /* allocate RAM */
 501     dev = qdev_create(NULL, TYPE_SUN4U_MEMORY);
 502     s = SYS_BUS_DEVICE(dev);
 503
 504     d = SUN4U_RAM(dev);
 505     d->size = RAM_size;
 506     qdev_init_nofail(dev);
 507
 508     sysbus_mmio_map(s, 0, addr);
 509 }
 510
 511 static Property ram_properties[] = {
 512     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
 513     DEFINE_PROP_END_OF_LIST(),
 514 };
 515
 516 static void ram_class_init(ObjectClass *klass, void *data)
 517 {
 518     DeviceClass *dc = DEVICE_CLASS(klass);
 519
 520     dc->realize = ram_realize;
 521     dc->props = ram_properties;
 522 }
 523
 524 static const TypeInfo ram_info = {
 525     .name          = TYPE_SUN4U_MEMORY,
 526     .parent        = TYPE_SYS_BUS_DEVICE,
 527     .instance_size = sizeof(RamDevice),
 528     .class_init    = ram_class_init,
 529 };
 530
 531 static void sun4uv_init(MemoryRegion *address_space_mem,
 532                         MachineState *machine,
 533                         const struct hwdef *hwdef)
 534 {
 535     SPARCCPU *cpu;
 536     Nvram *nvram;
 537     unsigned int i;
 538     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
 539     SabreState *sabre;
 540     PCIBus *pci_bus, *pci_busA, *pci_busB;
 541     PCIDevice *ebus, *pci_dev;
 542     SysBusDevice *s;
 543     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 544     DeviceState *iommu, *dev;
 545     FWCfgState *fw_cfg;
 546     NICInfo *nd;
 547     MACAddr macaddr;
 548     bool onboard_nic;
 549
 550     /* init CPUs */
 551     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
 552
 553     /* IOMMU */
 554     iommu = qdev_create(NULL, TYPE_SUN4U_IOMMU);
 555     qdev_init_nofail(iommu);
 556
 557     /* set up devices */
 558     ram_init(0, machine->ram_size);
 559
 560     prom_init(hwdef->prom_addr, bios_name);
 561
 562     /* Init sabre (PCI host bridge) */
 563     sabre = SABRE_DEVICE(qdev_create(NULL, TYPE_SABRE));
 564     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
 565     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
 566     object_property_set_link(OBJECT(sabre), OBJECT(iommu), "iommu",
 567                              &error_abort);
 568     qdev_init_nofail(DEVICE(sabre));
 569
 570     /* Wire up PCI interrupts to CPU */
 571     for (i = 0; i < IVEC_MAX; i++) {
 572         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
 573             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
 574     }
 575
 576     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
 577     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
 578     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
 579
 580     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
 581        reserved (leaving no slots free after on-board devices) however slots
 582        0-3 are free on busB */
 583     pci_bus->slot_reserved_mask = 0xfffffffc;
 584     pci_busA->slot_reserved_mask = 0xfffffff1;
 585     pci_busB->slot_reserved_mask = 0xfffffff0;
 586
 587     ebus = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 0), true, TYPE_EBUS);
 588     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
 589                          hwdef->console_serial_base);
 590     qdev_init_nofail(DEVICE(ebus));
 591
 592     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
 593     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
 594         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
 595     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
 596         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
 597     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
 598         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
 599     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
 600         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
 601     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
 602         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
 603
 604     switch (vga_interface_type) {
 605     case VGA_STD:
 606         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
 607         break;
 608     case VGA_NONE:
 609         break;
 610     default:
 611         abort();   /* Should not happen - types are checked in vl.c already */
 612     }
 613
 614     memset(&macaddr, 0, sizeof(MACAddr));
 615     onboard_nic = false;
 616     for (i = 0; i < nb_nics; i++) {
 617         nd = &nd_table[i];
 618
 619         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
 620             if (!onboard_nic) {
 621                 pci_dev = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 1),
 622                                                    true, "sunhme");
 623                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
 624                 onboard_nic = true;
 625             } else {
 626                 pci_dev = pci_create(pci_busB, -1, "sunhme");
 627             }
 628         } else {
 629             pci_dev = pci_create(pci_busB, -1, nd->model);
 630         }
 631
 632         dev = &pci_dev->qdev;
 633         qdev_set_nic_properties(dev, nd);
 634         qdev_init_nofail(dev);
 635     }
 636
 637     /* If we don't have an onboard NIC, grab a default MAC address so that
 638      * we have a valid machine id */
 639     if (!onboard_nic) {
 640         qemu_macaddr_default_if_unset(&macaddr);
 641     }
 642
 643     ide_drive_get(hd, ARRAY_SIZE(hd));
 644
 645     pci_dev = pci_create(pci_busA, PCI_DEVFN(3, 0), "cmd646-ide");
 646     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
 647     qdev_init_nofail(&pci_dev->qdev);
 648     pci_ide_create_devs(pci_dev, hd);
 649
 650     /* Map NVRAM into I/O (ebus) space */
 651     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
 652     s = SYS_BUS_DEVICE(nvram);
 653     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
 654                                 sysbus_mmio_get_region(s, 0));
 655
 656     initrd_size = 0;
 657     initrd_addr = 0;
 658     kernel_size = sun4u_load_kernel(machine->kernel_filename,
 659                                     machine->initrd_filename,
 660                                     ram_size, &initrd_size, &initrd_addr,
 661                                     &kernel_addr, &kernel_entry);
 662
 663     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
 664                            machine->boot_order,
 665                            kernel_addr, kernel_size,
 666                            machine->kernel_cmdline,
 667                            initrd_addr, initrd_size,
 668                            /* XXX: need an option to load a NVRAM image */
 669                            0,
 670                            graphic_width, graphic_height, graphic_depth,
 671                            (uint8_t *)&macaddr);
 672
 673     dev = qdev_create(NULL, TYPE_FW_CFG_IO);
 674     qdev_prop_set_bit(dev, "dma_enabled", false);
 675     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev), NULL);
 676     qdev_init_nofail(dev);
 677     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
 678                                 &FW_CFG_IO(dev)->comb_iomem);
 679
 680     fw_cfg = FW_CFG(dev);
 681     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
 682     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
 683     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
 684     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
 685     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
 686     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
 687     if (machine->kernel_cmdline) {
 688         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
 689                        strlen(machine->kernel_cmdline) + 1);
 690         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
 691     } else {
 692         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
 693     }
 694     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
 695     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
 696     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
 697
 698     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
 699     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
 700     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
 701
 702     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 703 }
 704
 705 enum {
 706     sun4u_id = 0,
 707     sun4v_id = 64,
 708 };
 709
 710 /*
 711  * Implementation of an interface to adjust firmware path
 712  * for the bootindex property handling.
 713  */
 714 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
 715                                DeviceState *dev)
 716 {
 717     PCIDevice *pci;
 718     IDEBus *ide_bus;
 719     IDEState *ide_s;
 720     int bus_id;
 721
 722     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
 723         pci = PCI_DEVICE(dev);
 724
 725         if (PCI_FUNC(pci->devfn)) {
 726             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
 727                                    PCI_FUNC(pci->devfn));
 728         } else {
 729             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
 730         }
 731     }
 732
 733     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
 734          ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
 735          ide_s = idebus_active_if(ide_bus);
 736          bus_id = ide_bus->bus_id;
 737
 738          if (ide_s->drive_kind == IDE_CD) {
 739              return g_strdup_printf("ide@%x/cdrom", bus_id);
 740          }
 741
 742          return g_strdup_printf("ide@%x/disk", bus_id);
 743     }
 744
 745     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
 746         return g_strdup("disk");
 747     }
 748
 749     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
 750         return g_strdup("cdrom");
 751     }
 752
 753     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
 754         return g_strdup("disk");
 755     }
 756
 757     return NULL;
 758 }
 759
 760 static const struct hwdef hwdefs[] = {
 761     /* Sun4u generic PC-like machine */
 762     {
 763         .machine_id = sun4u_id,
 764         .prom_addr = 0x1fff0000000ULL,
 765         .console_serial_base = 0,
 766     },
 767     /* Sun4v generic PC-like machine */
 768     {
 769         .machine_id = sun4v_id,
 770         .prom_addr = 0x1fff0000000ULL,
 771         .console_serial_base = 0,
 772     },
 773 };
 774
 775 /* Sun4u hardware initialisation */
 776 static void sun4u_init(MachineState *machine)
 777 {
 778     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
 779 }
 780
 781 /* Sun4v hardware initialisation */
 782 static void sun4v_init(MachineState *machine)
 783 {
 784     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
 785 }
 786
 787 static void sun4u_class_init(ObjectClass *oc, void *data)
 788 {
 789     MachineClass *mc = MACHINE_CLASS(oc);
 790     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
 791
 792     mc->desc = "Sun4u platform";
 793     mc->init = sun4u_init;
 794     mc->block_default_type = IF_IDE;
 795     mc->max_cpus = 1; /* XXX for now */
 796     mc->is_default = 1;
 797     mc->default_boot_order = "c";
 798     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
 799     mc->ignore_boot_device_suffixes = true;
 800     mc->default_display = "std";
 801     fwc->get_dev_path = sun4u_fw_dev_path;
 802 }
 803
 804 static const TypeInfo sun4u_type = {
 805     .name = MACHINE_TYPE_NAME("sun4u"),
 806     .parent = TYPE_MACHINE,
 807     .class_init = sun4u_class_init,
 808     .interfaces = (InterfaceInfo[]) {
 809         { TYPE_FW_PATH_PROVIDER },
 810         { }
 811     },
 812 };
 813
 814 static void sun4v_class_init(ObjectClass *oc, void *data)
 815 {
 816     MachineClass *mc = MACHINE_CLASS(oc);
 817
 818     mc->desc = "Sun4v platform";
 819     mc->init = sun4v_init;
 820     mc->block_default_type = IF_IDE;
 821     mc->max_cpus = 1; /* XXX for now */
 822     mc->default_boot_order = "c";
 823     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
 824     mc->default_display = "std";
 825 }
 826
 827 static const TypeInfo sun4v_type = {
 828     .name = MACHINE_TYPE_NAME("sun4v"),
 829     .parent = TYPE_MACHINE,
 830     .class_init = sun4v_class_init,
 831 };
 832
 833 static void sun4u_register_types(void)
 834 {
 835     type_register_static(&power_info);
 836     type_register_static(&ebus_info);
 837     type_register_static(&prom_info);
 838     type_register_static(&ram_info);
 839
 840     type_register_static(&sun4u_type);
 841     type_register_static(&sun4v_type);
 842 }
 843
 844 type_init(sun4u_register_types)