hw/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 "hw.h"
  25 #include "pci.h"
  26 #include "apb_pci.h"
  27 #include "pc.h"
  28 #include "nvram.h"
  29 #include "fdc.h"
  30 #include "net.h"
  31 #include "qemu-timer.h"
  32 #include "sysemu.h"
  33 #include "boards.h"
  34 #include "firmware_abi.h"
  35 #include "fw_cfg.h"
  36 #include "sysbus.h"
  37 #include "ide.h"
  38 #include "loader.h"
  39 #include "elf.h"
  40 #include "blockdev.h"
  41 #include "exec-memory.h"
  42
  43 //#define DEBUG_IRQ
  44 //#define DEBUG_EBUS
  45 //#define DEBUG_TIMER
  46
  47 #ifdef DEBUG_IRQ
  48 #define CPUIRQ_DPRINTF(fmt, ...)                                \
  49     do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0)
  50 #else
  51 #define CPUIRQ_DPRINTF(fmt, ...)
  52 #endif
  53
  54 #ifdef DEBUG_EBUS
  55 #define EBUS_DPRINTF(fmt, ...)                                  \
  56     do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
  57 #else
  58 #define EBUS_DPRINTF(fmt, ...)
  59 #endif
  60
  61 #ifdef DEBUG_TIMER
  62 #define TIMER_DPRINTF(fmt, ...)                                  \
  63     do { printf("TIMER: " fmt , ## __VA_ARGS__); } while (0)
  64 #else
  65 #define TIMER_DPRINTF(fmt, ...)
  66 #endif
  67
  68 #define KERNEL_LOAD_ADDR     0x00404000
  69 #define CMDLINE_ADDR         0x003ff000
  70 #define INITRD_LOAD_ADDR     0x00300000
  71 #define PROM_SIZE_MAX        (4 * 1024 * 1024)
  72 #define PROM_VADDR           0x000ffd00000ULL
  73 #define APB_SPECIAL_BASE     0x1fe00000000ULL
  74 #define APB_MEM_BASE         0x1ff00000000ULL
  75 #define APB_PCI_IO_BASE      (APB_SPECIAL_BASE + 0x02000000ULL)
  76 #define PROM_FILENAME        "openbios-sparc64"
  77 #define NVRAM_SIZE           0x2000
  78 #define MAX_IDE_BUS          2
  79 #define BIOS_CFG_IOPORT      0x510
  80 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
  81 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
  82 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
  83
  84 #define MAX_PILS 16
  85
  86 #define TICK_MAX             0x7fffffffffffffffULL
  87
  88 struct hwdef {
  89     const char * const default_cpu_model;
  90     uint16_t machine_id;
  91     uint64_t prom_addr;
  92     uint64_t console_serial_base;
  93 };
  94
  95 typedef struct EbusState {
  96     PCIDevice pci_dev;
  97     MemoryRegion bar0;
  98     MemoryRegion bar1;
  99 } EbusState;
 100
 101 int DMA_get_channel_mode (int nchan)
 102 {
 103     return 0;
 104 }
 105 int DMA_read_memory (int nchan, void *buf, int pos, int size)
 106 {
 107     return 0;
 108 }
 109 int DMA_write_memory (int nchan, void *buf, int pos, int size)
 110 {
 111     return 0;
 112 }
 113 void DMA_hold_DREQ (int nchan) {}
 114 void DMA_release_DREQ (int nchan) {}
 115 void DMA_schedule(int nchan) {}
 116
 117 void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit)
 118 {
 119 }
 120
 121 void DMA_register_channel (int nchan,
 122                            DMA_transfer_handler transfer_handler,
 123                            void *opaque)
 124 {
 125 }
 126
 127 static int fw_cfg_boot_set(void *opaque, const char *boot_device)
 128 {
 129     fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
 130     return 0;
 131 }
 132
 133 static int sun4u_NVRAM_set_params(M48t59State *nvram, uint16_t NVRAM_size,
 134                                   const char *arch, ram_addr_t RAM_size,
 135                                   const char *boot_devices,
 136                                   uint32_t kernel_image, uint32_t kernel_size,
 137                                   const char *cmdline,
 138                                   uint32_t initrd_image, uint32_t initrd_size,
 139                                   uint32_t NVRAM_image,
 140                                   int width, int height, int depth,
 141                                   const uint8_t *macaddr)
 142 {
 143     unsigned int i;
 144     uint32_t start, end;
 145     uint8_t image[0x1ff0];
 146     struct OpenBIOS_nvpart_v1 *part_header;
 147
 148     memset(image, '\0', sizeof(image));
 149
 150     start = 0;
 151
 152     // OpenBIOS nvram variables
 153     // Variable partition
 154     part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
 155     part_header->signature = OPENBIOS_PART_SYSTEM;
 156     pstrcpy(part_header->name, sizeof(part_header->name), "system");
 157
 158     end = start + sizeof(struct OpenBIOS_nvpart_v1);
 159     for (i = 0; i < nb_prom_envs; i++)
 160         end = OpenBIOS_set_var(image, end, prom_envs[i]);
 161
 162     // End marker
 163     image[end++] = '\0';
 164
 165     end = start + ((end - start + 15) & ~15);
 166     OpenBIOS_finish_partition(part_header, end - start);
 167
 168     // free partition
 169     start = end;
 170     part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
 171     part_header->signature = OPENBIOS_PART_FREE;
 172     pstrcpy(part_header->name, sizeof(part_header->name), "free");
 173
 174     end = 0x1fd0;
 175     OpenBIOS_finish_partition(part_header, end - start);
 176
 177     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
 178
 179     for (i = 0; i < sizeof(image); i++)
 180         m48t59_write(nvram, i, image[i]);
 181
 182     return 0;
 183 }
 184 static unsigned long sun4u_load_kernel(const char *kernel_filename,
 185                                        const char *initrd_filename,
 186                                        ram_addr_t RAM_size, long *initrd_size)
 187 {
 188     int linux_boot;
 189     unsigned int i;
 190     long kernel_size;
 191     uint8_t *ptr;
 192
 193     linux_boot = (kernel_filename != NULL);
 194
 195     kernel_size = 0;
 196     if (linux_boot) {
 197         int bswap_needed;
 198
 199 #ifdef BSWAP_NEEDED
 200         bswap_needed = 1;
 201 #else
 202         bswap_needed = 0;
 203 #endif
 204         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL,
 205                                NULL, NULL, 1, ELF_MACHINE, 0);
 206         if (kernel_size < 0)
 207             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
 208                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
 209                                     TARGET_PAGE_SIZE);
 210         if (kernel_size < 0)
 211             kernel_size = load_image_targphys(kernel_filename,
 212                                               KERNEL_LOAD_ADDR,
 213                                               RAM_size - KERNEL_LOAD_ADDR);
 214         if (kernel_size < 0) {
 215             fprintf(stderr, "qemu: could not load kernel '%s'\n",
 216                     kernel_filename);
 217             exit(1);
 218         }
 219
 220         /* load initrd */
 221         *initrd_size = 0;
 222         if (initrd_filename) {
 223             *initrd_size = load_image_targphys(initrd_filename,
 224                                                INITRD_LOAD_ADDR,
 225                                                RAM_size - INITRD_LOAD_ADDR);
 226             if (*initrd_size < 0) {
 227                 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
 228                         initrd_filename);
 229                 exit(1);
 230             }
 231         }
 232         if (*initrd_size > 0) {
 233             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
 234                 ptr = rom_ptr(KERNEL_LOAD_ADDR + i);
 235                 if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
 236                     stl_p(ptr + 24, INITRD_LOAD_ADDR + KERNEL_LOAD_ADDR - 0x4000);
 237                     stl_p(ptr + 28, *initrd_size);
 238                     break;
 239                 }
 240             }
 241         }
 242     }
 243     return kernel_size;
 244 }
 245
 246 void cpu_check_irqs(CPUState *env)
 247 {
 248     uint32_t pil = env->pil_in |
 249                   (env->softint & ~(SOFTINT_TIMER | SOFTINT_STIMER));
 250
 251     /* check if TM or SM in SOFTINT are set
 252        setting these also causes interrupt 14 */
 253     if (env->softint & (SOFTINT_TIMER | SOFTINT_STIMER)) {
 254         pil |= 1 << 14;
 255     }
 256
 257     /* The bit corresponding to psrpil is (1<< psrpil), the next bit
 258        is (2 << psrpil). */
 259     if (pil < (2 << env->psrpil)){
 260         if (env->interrupt_request & CPU_INTERRUPT_HARD) {
 261             CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n",
 262                            env->interrupt_index);
 263             env->interrupt_index = 0;
 264             cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
 265         }
 266         return;
 267     }
 268
 269     if (cpu_interrupts_enabled(env)) {
 270
 271         unsigned int i;
 272
 273         for (i = 15; i > env->psrpil; i--) {
 274             if (pil & (1 << i)) {
 275                 int old_interrupt = env->interrupt_index;
 276                 int new_interrupt = TT_EXTINT | i;
 277
 278                 if (env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt) {
 279                     CPUIRQ_DPRINTF("Not setting CPU IRQ: TL=%d "
 280                                    "current %x >= pending %x\n",
 281                                    env->tl, cpu_tsptr(env)->tt, new_interrupt);
 282                 } else if (old_interrupt != new_interrupt) {
 283                     env->interrupt_index = new_interrupt;
 284                     CPUIRQ_DPRINTF("Set CPU IRQ %d old=%x new=%x\n", i,
 285                                    old_interrupt, new_interrupt);
 286                     cpu_interrupt(env, CPU_INTERRUPT_HARD);
 287                 }
 288                 break;
 289             }
 290         }
 291     } else if (env->interrupt_request & CPU_INTERRUPT_HARD) {
 292         CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x "
 293                        "current interrupt %x\n",
 294                        pil, env->pil_in, env->softint, env->interrupt_index);
 295         env->interrupt_index = 0;
 296         cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
 297     }
 298 }
 299
 300 static void cpu_kick_irq(CPUState *env)
 301 {
 302     env->halted = 0;
 303     cpu_check_irqs(env);
 304     qemu_cpu_kick(env);
 305 }
 306
 307 static void cpu_set_irq(void *opaque, int irq, int level)
 308 {
 309     CPUState *env = opaque;
 310
 311     if (level) {
 312         CPUIRQ_DPRINTF("Raise CPU IRQ %d\n", irq);
 313         env->pil_in |= 1 << irq;
 314         cpu_kick_irq(env);
 315     } else {
 316         CPUIRQ_DPRINTF("Lower CPU IRQ %d\n", irq);
 317         env->pil_in &= ~(1 << irq);
 318         cpu_check_irqs(env);
 319     }
 320 }
 321
 322 typedef struct ResetData {
 323     CPUState *env;
 324     uint64_t prom_addr;
 325 } ResetData;
 326
 327 void cpu_put_timer(QEMUFile *f, CPUTimer *s)
 328 {
 329     qemu_put_be32s(f, &s->frequency);
 330     qemu_put_be32s(f, &s->disabled);
 331     qemu_put_be64s(f, &s->disabled_mask);
 332     qemu_put_sbe64s(f, &s->clock_offset);
 333
 334     qemu_put_timer(f, s->qtimer);
 335 }
 336
 337 void cpu_get_timer(QEMUFile *f, CPUTimer *s)
 338 {
 339     qemu_get_be32s(f, &s->frequency);
 340     qemu_get_be32s(f, &s->disabled);
 341     qemu_get_be64s(f, &s->disabled_mask);
 342     qemu_get_sbe64s(f, &s->clock_offset);
 343
 344     qemu_get_timer(f, s->qtimer);
 345 }
 346
 347 static CPUTimer* cpu_timer_create(const char* name, CPUState *env,
 348                                   QEMUBHFunc *cb, uint32_t frequency,
 349                                   uint64_t disabled_mask)
 350 {
 351     CPUTimer *timer = g_malloc0(sizeof (CPUTimer));
 352
 353     timer->name = name;
 354     timer->frequency = frequency;
 355     timer->disabled_mask = disabled_mask;
 356
 357     timer->disabled = 1;
 358     timer->clock_offset = qemu_get_clock_ns(vm_clock);
 359
 360     timer->qtimer = qemu_new_timer_ns(vm_clock, cb, env);
 361
 362     return timer;
 363 }
 364
 365 static void cpu_timer_reset(CPUTimer *timer)
 366 {
 367     timer->disabled = 1;
 368     timer->clock_offset = qemu_get_clock_ns(vm_clock);
 369
 370     qemu_del_timer(timer->qtimer);
 371 }
 372
 373 static void main_cpu_reset(void *opaque)
 374 {
 375     ResetData *s = (ResetData *)opaque;
 376     CPUState *env = s->env;
 377     static unsigned int nr_resets;
 378
 379     cpu_reset(env);
 380
 381     cpu_timer_reset(env->tick);
 382     cpu_timer_reset(env->stick);
 383     cpu_timer_reset(env->hstick);
 384
 385     env->gregs[1] = 0; // Memory start
 386     env->gregs[2] = ram_size; // Memory size
 387     env->gregs[3] = 0; // Machine description XXX
 388     if (nr_resets++ == 0) {
 389         /* Power on reset */
 390         env->pc = s->prom_addr + 0x20ULL;
 391     } else {
 392         env->pc = s->prom_addr + 0x40ULL;
 393     }
 394     env->npc = env->pc + 4;
 395 }
 396
 397 static void tick_irq(void *opaque)
 398 {
 399     CPUState *env = opaque;
 400
 401     CPUTimer* timer = env->tick;
 402
 403     if (timer->disabled) {
 404         CPUIRQ_DPRINTF("tick_irq: softint disabled\n");
 405         return;
 406     } else {
 407         CPUIRQ_DPRINTF("tick: fire\n");
 408     }
 409
 410     env->softint |= SOFTINT_TIMER;
 411     cpu_kick_irq(env);
 412 }
 413
 414 static void stick_irq(void *opaque)
 415 {
 416     CPUState *env = opaque;
 417
 418     CPUTimer* timer = env->stick;
 419
 420     if (timer->disabled) {
 421         CPUIRQ_DPRINTF("stick_irq: softint disabled\n");
 422         return;
 423     } else {
 424         CPUIRQ_DPRINTF("stick: fire\n");
 425     }
 426
 427     env->softint |= SOFTINT_STIMER;
 428     cpu_kick_irq(env);
 429 }
 430
 431 static void hstick_irq(void *opaque)
 432 {
 433     CPUState *env = opaque;
 434
 435     CPUTimer* timer = env->hstick;
 436
 437     if (timer->disabled) {
 438         CPUIRQ_DPRINTF("hstick_irq: softint disabled\n");
 439         return;
 440     } else {
 441         CPUIRQ_DPRINTF("hstick: fire\n");
 442     }
 443
 444     env->softint |= SOFTINT_STIMER;
 445     cpu_kick_irq(env);
 446 }
 447
 448 static int64_t cpu_to_timer_ticks(int64_t cpu_ticks, uint32_t frequency)
 449 {
 450     return muldiv64(cpu_ticks, get_ticks_per_sec(), frequency);
 451 }
 452
 453 static uint64_t timer_to_cpu_ticks(int64_t timer_ticks, uint32_t frequency)
 454 {
 455     return muldiv64(timer_ticks, frequency, get_ticks_per_sec());
 456 }
 457
 458 void cpu_tick_set_count(CPUTimer *timer, uint64_t count)
 459 {
 460     uint64_t real_count = count & ~timer->disabled_mask;
 461     uint64_t disabled_bit = count & timer->disabled_mask;
 462
 463     int64_t vm_clock_offset = qemu_get_clock_ns(vm_clock) -
 464                     cpu_to_timer_ticks(real_count, timer->frequency);
 465
 466     TIMER_DPRINTF("%s set_count count=0x%016lx (%s) p=%p\n",
 467                   timer->name, real_count,
 468                   timer->disabled?"disabled":"enabled", timer);
 469
 470     timer->disabled = disabled_bit ? 1 : 0;
 471     timer->clock_offset = vm_clock_offset;
 472 }
 473
 474 uint64_t cpu_tick_get_count(CPUTimer *timer)
 475 {
 476     uint64_t real_count = timer_to_cpu_ticks(
 477                     qemu_get_clock_ns(vm_clock) - timer->clock_offset,
 478                     timer->frequency);
 479
 480     TIMER_DPRINTF("%s get_count count=0x%016lx (%s) p=%p\n",
 481            timer->name, real_count,
 482            timer->disabled?"disabled":"enabled", timer);
 483
 484     if (timer->disabled)
 485         real_count |= timer->disabled_mask;
 486
 487     return real_count;
 488 }
 489
 490 void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit)
 491 {
 492     int64_t now = qemu_get_clock_ns(vm_clock);
 493
 494     uint64_t real_limit = limit & ~timer->disabled_mask;
 495     timer->disabled = (limit & timer->disabled_mask) ? 1 : 0;
 496
 497     int64_t expires = cpu_to_timer_ticks(real_limit, timer->frequency) +
 498                     timer->clock_offset;
 499
 500     if (expires < now) {
 501         expires = now + 1;
 502     }
 503
 504     TIMER_DPRINTF("%s set_limit limit=0x%016lx (%s) p=%p "
 505                   "called with limit=0x%016lx at 0x%016lx (delta=0x%016lx)\n",
 506                   timer->name, real_limit,
 507                   timer->disabled?"disabled":"enabled",
 508                   timer, limit,
 509                   timer_to_cpu_ticks(now - timer->clock_offset,
 510                                      timer->frequency),
 511                   timer_to_cpu_ticks(expires - now, timer->frequency));
 512
 513     if (!real_limit) {
 514         TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n",
 515                 timer->name);
 516         qemu_del_timer(timer->qtimer);
 517     } else if (timer->disabled) {
 518         qemu_del_timer(timer->qtimer);
 519     } else {
 520         qemu_mod_timer(timer->qtimer, expires);
 521     }
 522 }
 523
 524 static void dummy_isa_irq_handler(void *opaque, int n, int level)
 525 {
 526 }
 527
 528 /* EBUS (Eight bit bus) bridge */
 529 static ISABus *
 530 pci_ebus_init(PCIBus *bus, int devfn)
 531 {
 532     qemu_irq *isa_irq;
 533     PCIDevice *pci_dev;
 534     ISABus *isa_bus;
 535
 536     pci_dev = pci_create_simple(bus, devfn, "ebus");
 537     isa_bus = DO_UPCAST(ISABus, qbus,
 538                         qdev_get_child_bus(&pci_dev->qdev, "isa.0"));
 539     isa_irq = qemu_allocate_irqs(dummy_isa_irq_handler, NULL, 16);
 540     isa_bus_irqs(isa_bus, isa_irq);
 541     return isa_bus;
 542 }
 543
 544 static int
 545 pci_ebus_init1(PCIDevice *pci_dev)
 546 {
 547     EbusState *s = DO_UPCAST(EbusState, pci_dev, pci_dev);
 548
 549     isa_bus_new(&pci_dev->qdev, pci_address_space_io(pci_dev));
 550
 551     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
 552     pci_dev->config[0x05] = 0x00;
 553     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
 554     pci_dev->config[0x07] = 0x03; // status = medium devsel
 555     pci_dev->config[0x09] = 0x00; // programming i/f
 556     pci_dev->config[0x0D] = 0x0a; // latency_timer
 557
 558     isa_mmio_setup(&s->bar0, 0x1000000);
 559     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
 560     isa_mmio_setup(&s->bar1, 0x800000);
 561     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar1);
 562     return 0;
 563 }
 564
 565 static void ebus_class_init(ObjectClass *klass, void *data)
 566 {
 567     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 568
 569     k->init = pci_ebus_init1;
 570     k->vendor_id = PCI_VENDOR_ID_SUN;
 571     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
 572     k->revision = 0x01;
 573     k->class_id = PCI_CLASS_BRIDGE_OTHER;
 574 }
 575
 576 static DeviceInfo ebus_info = {
 577     .name = "ebus",
 578     .size = sizeof(EbusState),
 579     .class_init = ebus_class_init,
 580 };
 581
 582 static void pci_ebus_register(void)
 583 {
 584     pci_qdev_register(&ebus_info);
 585 }
 586
 587 device_init(pci_ebus_register);
 588
 589 typedef struct PROMState {
 590     SysBusDevice busdev;
 591     MemoryRegion prom;
 592 } PROMState;
 593
 594 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
 595 {
 596     target_phys_addr_t *base_addr = (target_phys_addr_t *)opaque;
 597     return addr + *base_addr - PROM_VADDR;
 598 }
 599
 600 /* Boot PROM (OpenBIOS) */
 601 static void prom_init(target_phys_addr_t addr, const char *bios_name)
 602 {
 603     DeviceState *dev;
 604     SysBusDevice *s;
 605     char *filename;
 606     int ret;
 607
 608     dev = qdev_create(NULL, "openprom");
 609     qdev_init_nofail(dev);
 610     s = sysbus_from_qdev(dev);
 611
 612     sysbus_mmio_map(s, 0, addr);
 613
 614     /* load boot prom */
 615     if (bios_name == NULL) {
 616         bios_name = PROM_FILENAME;
 617     }
 618     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 619     if (filename) {
 620         ret = load_elf(filename, translate_prom_address, &addr,
 621                        NULL, NULL, NULL, 1, ELF_MACHINE, 0);
 622         if (ret < 0 || ret > PROM_SIZE_MAX) {
 623             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
 624         }
 625         g_free(filename);
 626     } else {
 627         ret = -1;
 628     }
 629     if (ret < 0 || ret > PROM_SIZE_MAX) {
 630         fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
 631         exit(1);
 632     }
 633 }
 634
 635 static int prom_init1(SysBusDevice *dev)
 636 {
 637     PROMState *s = FROM_SYSBUS(PROMState, dev);
 638
 639     memory_region_init_ram(&s->prom, "sun4u.prom", PROM_SIZE_MAX);
 640     vmstate_register_ram_global(&s->prom);
 641     memory_region_set_readonly(&s->prom, true);
 642     sysbus_init_mmio(dev, &s->prom);
 643     return 0;
 644 }
 645
 646 static Property prom_properties[] = {
 647     {/* end of property list */},
 648 };
 649
 650 static void prom_class_init(ObjectClass *klass, void *data)
 651 {
 652     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 653
 654     k->init = prom_init1;
 655 }
 656
 657 static DeviceInfo prom_info = {
 658     .name = "openprom",
 659     .size = sizeof(PROMState),
 660     .props = prom_properties,
 661     .class_init = prom_class_init,
 662 };
 663
 664 static void prom_register_devices(void)
 665 {
 666     sysbus_register_withprop(&prom_info);
 667 }
 668
 669 device_init(prom_register_devices);
 670
 671
 672 typedef struct RamDevice
 673 {
 674     SysBusDevice busdev;
 675     MemoryRegion ram;
 676     uint64_t size;
 677 } RamDevice;
 678
 679 /* System RAM */
 680 static int ram_init1(SysBusDevice *dev)
 681 {
 682     RamDevice *d = FROM_SYSBUS(RamDevice, dev);
 683
 684     memory_region_init_ram(&d->ram, "sun4u.ram", d->size);
 685     vmstate_register_ram_global(&d->ram);
 686     sysbus_init_mmio(dev, &d->ram);
 687     return 0;
 688 }
 689
 690 static void ram_init(target_phys_addr_t addr, ram_addr_t RAM_size)
 691 {
 692     DeviceState *dev;
 693     SysBusDevice *s;
 694     RamDevice *d;
 695
 696     /* allocate RAM */
 697     dev = qdev_create(NULL, "memory");
 698     s = sysbus_from_qdev(dev);
 699
 700     d = FROM_SYSBUS(RamDevice, s);
 701     d->size = RAM_size;
 702     qdev_init_nofail(dev);
 703
 704     sysbus_mmio_map(s, 0, addr);
 705 }
 706
 707 static Property ram_properties[] = {
 708     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
 709     DEFINE_PROP_END_OF_LIST(),
 710 };
 711
 712 static void ram_class_init(ObjectClass *klass, void *data)
 713 {
 714     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 715
 716     k->init = ram_init1;
 717 }
 718
 719 static DeviceInfo ram_info = {
 720     .name = "memory",
 721     .size = sizeof(RamDevice),
 722     .props = ram_properties,
 723     .class_init = ram_class_init,
 724 };
 725
 726 static void ram_register_devices(void)
 727 {
 728     sysbus_register_withprop(&ram_info);
 729 }
 730
 731 device_init(ram_register_devices);
 732
 733 static CPUState *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef)
 734 {
 735     CPUState *env;
 736     ResetData *reset_info;
 737
 738     uint32_t   tick_frequency = 100*1000000;
 739     uint32_t  stick_frequency = 100*1000000;
 740     uint32_t hstick_frequency = 100*1000000;
 741
 742     if (!cpu_model)
 743         cpu_model = hwdef->default_cpu_model;
 744     env = cpu_init(cpu_model);
 745     if (!env) {
 746         fprintf(stderr, "Unable to find Sparc CPU definition\n");
 747         exit(1);
 748     }
 749
 750     env->tick = cpu_timer_create("tick", env, tick_irq,
 751                                   tick_frequency, TICK_NPT_MASK);
 752
 753     env->stick = cpu_timer_create("stick", env, stick_irq,
 754                                    stick_frequency, TICK_INT_DIS);
 755
 756     env->hstick = cpu_timer_create("hstick", env, hstick_irq,
 757                                     hstick_frequency, TICK_INT_DIS);
 758
 759     reset_info = g_malloc0(sizeof(ResetData));
 760     reset_info->env = env;
 761     reset_info->prom_addr = hwdef->prom_addr;
 762     qemu_register_reset(main_cpu_reset, reset_info);
 763
 764     return env;
 765 }
 766
 767 static void sun4uv_init(MemoryRegion *address_space_mem,
 768                         ram_addr_t RAM_size,
 769                         const char *boot_devices,
 770                         const char *kernel_filename, const char *kernel_cmdline,
 771                         const char *initrd_filename, const char *cpu_model,
 772                         const struct hwdef *hwdef)
 773 {
 774     CPUState *env;
 775     M48t59State *nvram;
 776     unsigned int i;
 777     long initrd_size, kernel_size;
 778     PCIBus *pci_bus, *pci_bus2, *pci_bus3;
 779     ISABus *isa_bus;
 780     qemu_irq *irq;
 781     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 782     DriveInfo *fd[MAX_FD];
 783     void *fw_cfg;
 784
 785     /* init CPUs */
 786     env = cpu_devinit(cpu_model, hwdef);
 787
 788     /* set up devices */
 789     ram_init(0, RAM_size);
 790
 791     prom_init(hwdef->prom_addr, bios_name);
 792
 793
 794     irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
 795     pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, irq, &pci_bus2,
 796                            &pci_bus3);
 797     pci_vga_init(pci_bus);
 798
 799     // XXX Should be pci_bus3
 800     isa_bus = pci_ebus_init(pci_bus, -1);
 801
 802     i = 0;
 803     if (hwdef->console_serial_base) {
 804         serial_mm_init(address_space_mem, hwdef->console_serial_base, 0,
 805                        NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN);
 806         i++;
 807     }
 808     for(; i < MAX_SERIAL_PORTS; i++) {
 809         if (serial_hds[i]) {
 810             serial_isa_init(isa_bus, i, serial_hds[i]);
 811         }
 812     }
 813
 814     for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
 815         if (parallel_hds[i]) {
 816             parallel_init(isa_bus, i, parallel_hds[i]);
 817         }
 818     }
 819
 820     for(i = 0; i < nb_nics; i++)
 821         pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
 822
 823     ide_drive_get(hd, MAX_IDE_BUS);
 824
 825     pci_cmd646_ide_init(pci_bus, hd, 1);
 826
 827     isa_create_simple(isa_bus, "i8042");
 828     for(i = 0; i < MAX_FD; i++) {
 829         fd[i] = drive_get(IF_FLOPPY, 0, i);
 830     }
 831     fdctrl_init_isa(isa_bus, fd);
 832     nvram = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 59);
 833
 834     initrd_size = 0;
 835     kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename,
 836                                     ram_size, &initrd_size);
 837
 838     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
 839                            KERNEL_LOAD_ADDR, kernel_size,
 840                            kernel_cmdline,
 841                            INITRD_LOAD_ADDR, initrd_size,
 842                            /* XXX: need an option to load a NVRAM image */
 843                            0,
 844                            graphic_width, graphic_height, graphic_depth,
 845                            (uint8_t *)&nd_table[0].macaddr);
 846
 847     fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
 848     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
 849     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
 850     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
 851     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
 852     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
 853     if (kernel_cmdline) {
 854         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
 855                        strlen(kernel_cmdline) + 1);
 856         fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA,
 857                          (uint8_t*)strdup(kernel_cmdline),
 858                          strlen(kernel_cmdline) + 1);
 859     } else {
 860         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
 861     }
 862     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
 863     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
 864     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[0]);
 865
 866     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
 867     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
 868     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
 869
 870     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 871 }
 872
 873 enum {
 874     sun4u_id = 0,
 875     sun4v_id = 64,
 876     niagara_id,
 877 };
 878
 879 static const struct hwdef hwdefs[] = {
 880     /* Sun4u generic PC-like machine */
 881     {
 882         .default_cpu_model = "TI UltraSparc IIi",
 883         .machine_id = sun4u_id,
 884         .prom_addr = 0x1fff0000000ULL,
 885         .console_serial_base = 0,
 886     },
 887     /* Sun4v generic PC-like machine */
 888     {
 889         .default_cpu_model = "Sun UltraSparc T1",
 890         .machine_id = sun4v_id,
 891         .prom_addr = 0x1fff0000000ULL,
 892         .console_serial_base = 0,
 893     },
 894     /* Sun4v generic Niagara machine */
 895     {
 896         .default_cpu_model = "Sun UltraSparc T1",
 897         .machine_id = niagara_id,
 898         .prom_addr = 0xfff0000000ULL,
 899         .console_serial_base = 0xfff0c2c000ULL,
 900     },
 901 };
 902
 903 /* Sun4u hardware initialisation */
 904 static void sun4u_init(ram_addr_t RAM_size,
 905                        const char *boot_devices,
 906                        const char *kernel_filename, const char *kernel_cmdline,
 907                        const char *initrd_filename, const char *cpu_model)
 908 {
 909     sun4uv_init(get_system_memory(), RAM_size, boot_devices, kernel_filename,
 910                 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
 911 }
 912
 913 /* Sun4v hardware initialisation */
 914 static void sun4v_init(ram_addr_t RAM_size,
 915                        const char *boot_devices,
 916                        const char *kernel_filename, const char *kernel_cmdline,
 917                        const char *initrd_filename, const char *cpu_model)
 918 {
 919     sun4uv_init(get_system_memory(), RAM_size, boot_devices, kernel_filename,
 920                 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
 921 }
 922
 923 /* Niagara hardware initialisation */
 924 static void niagara_init(ram_addr_t RAM_size,
 925                          const char *boot_devices,
 926                          const char *kernel_filename, const char *kernel_cmdline,
 927                          const char *initrd_filename, const char *cpu_model)
 928 {
 929     sun4uv_init(get_system_memory(), RAM_size, boot_devices, kernel_filename,
 930                 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
 931 }
 932
 933 static QEMUMachine sun4u_machine = {
 934     .name = "sun4u",
 935     .desc = "Sun4u platform",
 936     .init = sun4u_init,
 937     .max_cpus = 1, // XXX for now
 938     .is_default = 1,
 939 };
 940
 941 static QEMUMachine sun4v_machine = {
 942     .name = "sun4v",
 943     .desc = "Sun4v platform",
 944     .init = sun4v_init,
 945     .max_cpus = 1, // XXX for now
 946 };
 947
 948 static QEMUMachine niagara_machine = {
 949     .name = "Niagara",
 950     .desc = "Sun4v platform, Niagara",
 951     .init = niagara_init,
 952     .max_cpus = 1, // XXX for now
 953 };
 954
 955 static void sun4u_machine_init(void)
 956 {
 957     qemu_register_machine(&sun4u_machine);
 958     qemu_register_machine(&sun4v_machine);
 959     qemu_register_machine(&niagara_machine);
 960 }
 961
 962 machine_init(sun4u_machine_init);