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
  41 //#define DEBUG_IRQ
  42 //#define DEBUG_EBUS
  43 //#define DEBUG_TIMER
  44
  45 #ifdef DEBUG_IRQ
  46 #define CPUIRQ_DPRINTF(fmt, ...)                                \
  47     do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0)
  48 #else
  49 #define CPUIRQ_DPRINTF(fmt, ...)
  50 #endif
  51
  52 #ifdef DEBUG_EBUS
  53 #define EBUS_DPRINTF(fmt, ...)                                  \
  54     do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
  55 #else
  56 #define EBUS_DPRINTF(fmt, ...)
  57 #endif
  58
  59 #ifdef DEBUG_TIMER
  60 #define TIMER_DPRINTF(fmt, ...)                                  \
  61     do { printf("TIMER: " fmt , ## __VA_ARGS__); } while (0)
  62 #else
  63 #define TIMER_DPRINTF(fmt, ...)
  64 #endif
  65
  66 #define KERNEL_LOAD_ADDR     0x00404000
  67 #define CMDLINE_ADDR         0x003ff000
  68 #define INITRD_LOAD_ADDR     0x00300000
  69 #define PROM_SIZE_MAX        (4 * 1024 * 1024)
  70 #define PROM_VADDR           0x000ffd00000ULL
  71 #define APB_SPECIAL_BASE     0x1fe00000000ULL
  72 #define APB_MEM_BASE         0x1ff00000000ULL
  73 #define APB_PCI_IO_BASE      (APB_SPECIAL_BASE + 0x02000000ULL)
  74 #define PROM_FILENAME        "openbios-sparc64"
  75 #define NVRAM_SIZE           0x2000
  76 #define MAX_IDE_BUS          2
  77 #define BIOS_CFG_IOPORT      0x510
  78 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
  79 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
  80 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
  81
  82 #define MAX_PILS 16
  83
  84 #define TICK_MAX             0x7fffffffffffffffULL
  85
  86 struct hwdef {
  87     const char * const default_cpu_model;
  88     uint16_t machine_id;
  89     uint64_t prom_addr;
  90     uint64_t console_serial_base;
  91 };
  92
  93 int DMA_get_channel_mode (int nchan)
  94 {
  95     return 0;
  96 }
  97 int DMA_read_memory (int nchan, void *buf, int pos, int size)
  98 {
  99     return 0;
 100 }
 101 int DMA_write_memory (int nchan, void *buf, int pos, int size)
 102 {
 103     return 0;
 104 }
 105 void DMA_hold_DREQ (int nchan) {}
 106 void DMA_release_DREQ (int nchan) {}
 107 void DMA_schedule(int nchan) {}
 108
 109 void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit)
 110 {
 111 }
 112
 113 void DMA_register_channel (int nchan,
 114                            DMA_transfer_handler transfer_handler,
 115                            void *opaque)
 116 {
 117 }
 118
 119 static int fw_cfg_boot_set(void *opaque, const char *boot_device)
 120 {
 121     fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
 122     return 0;
 123 }
 124
 125 static int sun4u_NVRAM_set_params(M48t59State *nvram, uint16_t NVRAM_size,
 126                                   const char *arch, ram_addr_t RAM_size,
 127                                   const char *boot_devices,
 128                                   uint32_t kernel_image, uint32_t kernel_size,
 129                                   const char *cmdline,
 130                                   uint32_t initrd_image, uint32_t initrd_size,
 131                                   uint32_t NVRAM_image,
 132                                   int width, int height, int depth,
 133                                   const uint8_t *macaddr)
 134 {
 135     unsigned int i;
 136     uint32_t start, end;
 137     uint8_t image[0x1ff0];
 138     struct OpenBIOS_nvpart_v1 *part_header;
 139
 140     memset(image, '\0', sizeof(image));
 141
 142     start = 0;
 143
 144     // OpenBIOS nvram variables
 145     // Variable partition
 146     part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
 147     part_header->signature = OPENBIOS_PART_SYSTEM;
 148     pstrcpy(part_header->name, sizeof(part_header->name), "system");
 149
 150     end = start + sizeof(struct OpenBIOS_nvpart_v1);
 151     for (i = 0; i < nb_prom_envs; i++)
 152         end = OpenBIOS_set_var(image, end, prom_envs[i]);
 153
 154     // End marker
 155     image[end++] = '\0';
 156
 157     end = start + ((end - start + 15) & ~15);
 158     OpenBIOS_finish_partition(part_header, end - start);
 159
 160     // free partition
 161     start = end;
 162     part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
 163     part_header->signature = OPENBIOS_PART_FREE;
 164     pstrcpy(part_header->name, sizeof(part_header->name), "free");
 165
 166     end = 0x1fd0;
 167     OpenBIOS_finish_partition(part_header, end - start);
 168
 169     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
 170
 171     for (i = 0; i < sizeof(image); i++)
 172         m48t59_write(nvram, i, image[i]);
 173
 174     return 0;
 175 }
 176 static unsigned long sun4u_load_kernel(const char *kernel_filename,
 177                                        const char *initrd_filename,
 178                                        ram_addr_t RAM_size, long *initrd_size)
 179 {
 180     int linux_boot;
 181     unsigned int i;
 182     long kernel_size;
 183     uint8_t *ptr;
 184
 185     linux_boot = (kernel_filename != NULL);
 186
 187     kernel_size = 0;
 188     if (linux_boot) {
 189         int bswap_needed;
 190
 191 #ifdef BSWAP_NEEDED
 192         bswap_needed = 1;
 193 #else
 194         bswap_needed = 0;
 195 #endif
 196         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL,
 197                                NULL, NULL, 1, ELF_MACHINE, 0);
 198         if (kernel_size < 0)
 199             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
 200                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
 201                                     TARGET_PAGE_SIZE);
 202         if (kernel_size < 0)
 203             kernel_size = load_image_targphys(kernel_filename,
 204                                               KERNEL_LOAD_ADDR,
 205                                               RAM_size - KERNEL_LOAD_ADDR);
 206         if (kernel_size < 0) {
 207             fprintf(stderr, "qemu: could not load kernel '%s'\n",
 208                     kernel_filename);
 209             exit(1);
 210         }
 211
 212         /* load initrd */
 213         *initrd_size = 0;
 214         if (initrd_filename) {
 215             *initrd_size = load_image_targphys(initrd_filename,
 216                                                INITRD_LOAD_ADDR,
 217                                                RAM_size - INITRD_LOAD_ADDR);
 218             if (*initrd_size < 0) {
 219                 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
 220                         initrd_filename);
 221                 exit(1);
 222             }
 223         }
 224         if (*initrd_size > 0) {
 225             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
 226                 ptr = rom_ptr(KERNEL_LOAD_ADDR + i);
 227                 if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
 228                     stl_p(ptr + 24, INITRD_LOAD_ADDR + KERNEL_LOAD_ADDR - 0x4000);
 229                     stl_p(ptr + 28, *initrd_size);
 230                     break;
 231                 }
 232             }
 233         }
 234     }
 235     return kernel_size;
 236 }
 237
 238 void pic_info(Monitor *mon)
 239 {
 240 }
 241
 242 void irq_info(Monitor *mon)
 243 {
 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     if (!pil) {
 258         if (env->interrupt_request & CPU_INTERRUPT_HARD) {
 259             CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n",
 260                            env->interrupt_index);
 261             env->interrupt_index = 0;
 262             cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
 263         }
 264         return;
 265     }
 266
 267     if (cpu_interrupts_enabled(env)) {
 268
 269         unsigned int i;
 270
 271         for (i = 15; i > env->psrpil; i--) {
 272             if (pil & (1 << i)) {
 273                 int old_interrupt = env->interrupt_index;
 274                 int new_interrupt = TT_EXTINT | i;
 275
 276                 if (env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt) {
 277                     CPUIRQ_DPRINTF("Not setting CPU IRQ: TL=%d "
 278                                    "current %x >= pending %x\n",
 279                                    env->tl, cpu_tsptr(env)->tt, new_interrupt);
 280                 } else if (old_interrupt != new_interrupt) {
 281                     env->interrupt_index = new_interrupt;
 282                     CPUIRQ_DPRINTF("Set CPU IRQ %d old=%x new=%x\n", i,
 283                                    old_interrupt, new_interrupt);
 284                     cpu_interrupt(env, CPU_INTERRUPT_HARD);
 285                 }
 286                 break;
 287             }
 288         }
 289     } else {
 290         CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x "
 291                        "current interrupt %x\n",
 292                        pil, env->pil_in, env->softint, env->interrupt_index);
 293     }
 294 }
 295
 296 static void cpu_kick_irq(CPUState *env)
 297 {
 298     env->halted = 0;
 299     cpu_check_irqs(env);
 300 }
 301
 302 static void cpu_set_irq(void *opaque, int irq, int level)
 303 {
 304     CPUState *env = opaque;
 305
 306     if (level) {
 307         CPUIRQ_DPRINTF("Raise CPU IRQ %d\n", irq);
 308         env->halted = 0;
 309         env->pil_in |= 1 << irq;
 310         cpu_check_irqs(env);
 311     } else {
 312         CPUIRQ_DPRINTF("Lower CPU IRQ %d\n", irq);
 313         env->pil_in &= ~(1 << irq);
 314         cpu_check_irqs(env);
 315     }
 316 }
 317
 318 typedef struct ResetData {
 319     CPUState *env;
 320     uint64_t prom_addr;
 321 } ResetData;
 322
 323 void cpu_put_timer(QEMUFile *f, CPUTimer *s)
 324 {
 325     qemu_put_be32s(f, &s->frequency);
 326     qemu_put_be32s(f, &s->disabled);
 327     qemu_put_be64s(f, &s->disabled_mask);
 328     qemu_put_sbe64s(f, &s->clock_offset);
 329
 330     qemu_put_timer(f, s->qtimer);
 331 }
 332
 333 void cpu_get_timer(QEMUFile *f, CPUTimer *s)
 334 {
 335     qemu_get_be32s(f, &s->frequency);
 336     qemu_get_be32s(f, &s->disabled);
 337     qemu_get_be64s(f, &s->disabled_mask);
 338     qemu_get_sbe64s(f, &s->clock_offset);
 339
 340     qemu_get_timer(f, s->qtimer);
 341 }
 342
 343 static CPUTimer* cpu_timer_create(const char* name, CPUState *env,
 344                                   QEMUBHFunc *cb, uint32_t frequency,
 345                                   uint64_t disabled_mask)
 346 {
 347     CPUTimer *timer = qemu_mallocz(sizeof (CPUTimer));
 348
 349     timer->name = name;
 350     timer->frequency = frequency;
 351     timer->disabled_mask = disabled_mask;
 352
 353     timer->disabled = 1;
 354     timer->clock_offset = qemu_get_clock(vm_clock);
 355
 356     timer->qtimer = qemu_new_timer(vm_clock, cb, env);
 357
 358     return timer;
 359 }
 360
 361 static void cpu_timer_reset(CPUTimer *timer)
 362 {
 363     timer->disabled = 1;
 364     timer->clock_offset = qemu_get_clock(vm_clock);
 365
 366     qemu_del_timer(timer->qtimer);
 367 }
 368
 369 static void main_cpu_reset(void *opaque)
 370 {
 371     ResetData *s = (ResetData *)opaque;
 372     CPUState *env = s->env;
 373     static unsigned int nr_resets;
 374
 375     cpu_reset(env);
 376
 377     cpu_timer_reset(env->tick);
 378     cpu_timer_reset(env->stick);
 379     cpu_timer_reset(env->hstick);
 380
 381     env->gregs[1] = 0; // Memory start
 382     env->gregs[2] = ram_size; // Memory size
 383     env->gregs[3] = 0; // Machine description XXX
 384     if (nr_resets++ == 0) {
 385         /* Power on reset */
 386         env->pc = s->prom_addr + 0x20ULL;
 387     } else {
 388         env->pc = s->prom_addr + 0x40ULL;
 389     }
 390     env->npc = env->pc + 4;
 391 }
 392
 393 static void tick_irq(void *opaque)
 394 {
 395     CPUState *env = opaque;
 396
 397     CPUTimer* timer = env->tick;
 398
 399     if (timer->disabled) {
 400         CPUIRQ_DPRINTF("tick_irq: softint disabled\n");
 401         return;
 402     } else {
 403         CPUIRQ_DPRINTF("tick: fire\n");
 404     }
 405
 406     env->softint |= SOFTINT_TIMER;
 407     cpu_kick_irq(env);
 408 }
 409
 410 static void stick_irq(void *opaque)
 411 {
 412     CPUState *env = opaque;
 413
 414     CPUTimer* timer = env->stick;
 415
 416     if (timer->disabled) {
 417         CPUIRQ_DPRINTF("stick_irq: softint disabled\n");
 418         return;
 419     } else {
 420         CPUIRQ_DPRINTF("stick: fire\n");
 421     }
 422
 423     env->softint |= SOFTINT_STIMER;
 424     cpu_kick_irq(env);
 425 }
 426
 427 static void hstick_irq(void *opaque)
 428 {
 429     CPUState *env = opaque;
 430
 431     CPUTimer* timer = env->hstick;
 432
 433     if (timer->disabled) {
 434         CPUIRQ_DPRINTF("hstick_irq: softint disabled\n");
 435         return;
 436     } else {
 437         CPUIRQ_DPRINTF("hstick: fire\n");
 438     }
 439
 440     env->softint |= SOFTINT_STIMER;
 441     cpu_kick_irq(env);
 442 }
 443
 444 static int64_t cpu_to_timer_ticks(int64_t cpu_ticks, uint32_t frequency)
 445 {
 446     return muldiv64(cpu_ticks, get_ticks_per_sec(), frequency);
 447 }
 448
 449 static uint64_t timer_to_cpu_ticks(int64_t timer_ticks, uint32_t frequency)
 450 {
 451     return muldiv64(timer_ticks, frequency, get_ticks_per_sec());
 452 }
 453
 454 void cpu_tick_set_count(CPUTimer *timer, uint64_t count)
 455 {
 456     uint64_t real_count = count & ~timer->disabled_mask;
 457     uint64_t disabled_bit = count & timer->disabled_mask;
 458
 459     int64_t vm_clock_offset = qemu_get_clock(vm_clock) -
 460                     cpu_to_timer_ticks(real_count, timer->frequency);
 461
 462     TIMER_DPRINTF("%s set_count count=0x%016lx (%s) p=%p\n",
 463                   timer->name, real_count,
 464                   timer->disabled?"disabled":"enabled", timer);
 465
 466     timer->disabled = disabled_bit ? 1 : 0;
 467     timer->clock_offset = vm_clock_offset;
 468 }
 469
 470 uint64_t cpu_tick_get_count(CPUTimer *timer)
 471 {
 472     uint64_t real_count = timer_to_cpu_ticks(
 473                     qemu_get_clock(vm_clock) - timer->clock_offset,
 474                     timer->frequency);
 475
 476     TIMER_DPRINTF("%s get_count count=0x%016lx (%s) p=%p\n",
 477            timer->name, real_count,
 478            timer->disabled?"disabled":"enabled", timer);
 479
 480     if (timer->disabled)
 481         real_count |= timer->disabled_mask;
 482
 483     return real_count;
 484 }
 485
 486 void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit)
 487 {
 488     int64_t now = qemu_get_clock(vm_clock);
 489
 490     uint64_t real_limit = limit & ~timer->disabled_mask;
 491     timer->disabled = (limit & timer->disabled_mask) ? 1 : 0;
 492
 493     int64_t expires = cpu_to_timer_ticks(real_limit, timer->frequency) +
 494                     timer->clock_offset;
 495
 496     if (expires < now) {
 497         expires = now + 1;
 498     }
 499
 500     TIMER_DPRINTF("%s set_limit limit=0x%016lx (%s) p=%p "
 501                   "called with limit=0x%016lx at 0x%016lx (delta=0x%016lx)\n",
 502                   timer->name, real_limit,
 503                   timer->disabled?"disabled":"enabled",
 504                   timer, limit,
 505                   timer_to_cpu_ticks(now - timer->clock_offset,
 506                                      timer->frequency),
 507                   timer_to_cpu_ticks(expires - now, timer->frequency));
 508
 509     if (!real_limit) {
 510         TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n",
 511                 timer->name);
 512         qemu_del_timer(timer->qtimer);
 513     } else if (timer->disabled) {
 514         qemu_del_timer(timer->qtimer);
 515     } else {
 516         qemu_mod_timer(timer->qtimer, expires);
 517     }
 518 }
 519
 520 static void ebus_mmio_mapfunc(PCIDevice *pci_dev, int region_num,
 521                               pcibus_t addr, pcibus_t size, int type)
 522 {
 523     EBUS_DPRINTF("Mapping region %d registers at %" FMT_PCIBUS "\n",
 524                  region_num, addr);
 525     switch (region_num) {
 526     case 0:
 527         isa_mmio_init(addr, 0x1000000, 1);
 528         break;
 529     case 1:
 530         isa_mmio_init(addr, 0x800000, 1);
 531         break;
 532     }
 533 }
 534
 535 static void dummy_isa_irq_handler(void *opaque, int n, int level)
 536 {
 537 }
 538
 539 /* EBUS (Eight bit bus) bridge */
 540 static void
 541 pci_ebus_init(PCIBus *bus, int devfn)
 542 {
 543     qemu_irq *isa_irq;
 544
 545     pci_create_simple(bus, devfn, "ebus");
 546     isa_irq = qemu_allocate_irqs(dummy_isa_irq_handler, NULL, 16);
 547     isa_bus_irqs(isa_irq);
 548 }
 549
 550 static int
 551 pci_ebus_init1(PCIDevice *s)
 552 {
 553     isa_bus_new(&s->qdev);
 554
 555     pci_config_set_vendor_id(s->config, PCI_VENDOR_ID_SUN);
 556     pci_config_set_device_id(s->config, PCI_DEVICE_ID_SUN_EBUS);
 557     s->config[0x04] = 0x06; // command = bus master, pci mem
 558     s->config[0x05] = 0x00;
 559     s->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
 560     s->config[0x07] = 0x03; // status = medium devsel
 561     s->config[0x08] = 0x01; // revision
 562     s->config[0x09] = 0x00; // programming i/f
 563     pci_config_set_class(s->config, PCI_CLASS_BRIDGE_OTHER);
 564     s->config[0x0D] = 0x0a; // latency_timer
 565     s->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
 566
 567     pci_register_bar(s, 0, 0x1000000, PCI_BASE_ADDRESS_SPACE_MEMORY,
 568                            ebus_mmio_mapfunc);
 569     pci_register_bar(s, 1, 0x800000,  PCI_BASE_ADDRESS_SPACE_MEMORY,
 570                            ebus_mmio_mapfunc);
 571     return 0;
 572 }
 573
 574 static PCIDeviceInfo ebus_info = {
 575     .qdev.name = "ebus",
 576     .qdev.size = sizeof(PCIDevice),
 577     .init = pci_ebus_init1,
 578 };
 579
 580 static void pci_ebus_register(void)
 581 {
 582     pci_qdev_register(&ebus_info);
 583 }
 584
 585 device_init(pci_ebus_register);
 586
 587 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
 588 {
 589     target_phys_addr_t *base_addr = (target_phys_addr_t *)opaque;
 590     return addr + *base_addr - PROM_VADDR;
 591 }
 592
 593 /* Boot PROM (OpenBIOS) */
 594 static void prom_init(target_phys_addr_t addr, const char *bios_name)
 595 {
 596     DeviceState *dev;
 597     SysBusDevice *s;
 598     char *filename;
 599     int ret;
 600
 601     dev = qdev_create(NULL, "openprom");
 602     qdev_init_nofail(dev);
 603     s = sysbus_from_qdev(dev);
 604
 605     sysbus_mmio_map(s, 0, addr);
 606
 607     /* load boot prom */
 608     if (bios_name == NULL) {
 609         bios_name = PROM_FILENAME;
 610     }
 611     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 612     if (filename) {
 613         ret = load_elf(filename, translate_prom_address, &addr,
 614                        NULL, NULL, NULL, 1, ELF_MACHINE, 0);
 615         if (ret < 0 || ret > PROM_SIZE_MAX) {
 616             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
 617         }
 618         qemu_free(filename);
 619     } else {
 620         ret = -1;
 621     }
 622     if (ret < 0 || ret > PROM_SIZE_MAX) {
 623         fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
 624         exit(1);
 625     }
 626 }
 627
 628 static int prom_init1(SysBusDevice *dev)
 629 {
 630     ram_addr_t prom_offset;
 631
 632     prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
 633     sysbus_init_mmio(dev, PROM_SIZE_MAX, prom_offset | IO_MEM_ROM);
 634     return 0;
 635 }
 636
 637 static SysBusDeviceInfo prom_info = {
 638     .init = prom_init1,
 639     .qdev.name  = "openprom",
 640     .qdev.size  = sizeof(SysBusDevice),
 641     .qdev.props = (Property[]) {
 642         {/* end of property list */}
 643     }
 644 };
 645
 646 static void prom_register_devices(void)
 647 {
 648     sysbus_register_withprop(&prom_info);
 649 }
 650
 651 device_init(prom_register_devices);
 652
 653
 654 typedef struct RamDevice
 655 {
 656     SysBusDevice busdev;
 657     uint64_t size;
 658 } RamDevice;
 659
 660 /* System RAM */
 661 static int ram_init1(SysBusDevice *dev)
 662 {
 663     ram_addr_t RAM_size, ram_offset;
 664     RamDevice *d = FROM_SYSBUS(RamDevice, dev);
 665
 666     RAM_size = d->size;
 667
 668     ram_offset = qemu_ram_alloc(RAM_size);
 669     sysbus_init_mmio(dev, RAM_size, ram_offset);
 670     return 0;
 671 }
 672
 673 static void ram_init(target_phys_addr_t addr, ram_addr_t RAM_size)
 674 {
 675     DeviceState *dev;
 676     SysBusDevice *s;
 677     RamDevice *d;
 678
 679     /* allocate RAM */
 680     dev = qdev_create(NULL, "memory");
 681     s = sysbus_from_qdev(dev);
 682
 683     d = FROM_SYSBUS(RamDevice, s);
 684     d->size = RAM_size;
 685     qdev_init_nofail(dev);
 686
 687     sysbus_mmio_map(s, 0, addr);
 688 }
 689
 690 static SysBusDeviceInfo ram_info = {
 691     .init = ram_init1,
 692     .qdev.name  = "memory",
 693     .qdev.size  = sizeof(RamDevice),
 694     .qdev.props = (Property[]) {
 695         DEFINE_PROP_UINT64("size", RamDevice, size, 0),
 696         DEFINE_PROP_END_OF_LIST(),
 697     }
 698 };
 699
 700 static void ram_register_devices(void)
 701 {
 702     sysbus_register_withprop(&ram_info);
 703 }
 704
 705 device_init(ram_register_devices);
 706
 707 static CPUState *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef)
 708 {
 709     CPUState *env;
 710     ResetData *reset_info;
 711
 712     uint32_t   tick_frequency = 100*1000000;
 713     uint32_t  stick_frequency = 100*1000000;
 714     uint32_t hstick_frequency = 100*1000000;
 715
 716     if (!cpu_model)
 717         cpu_model = hwdef->default_cpu_model;
 718     env = cpu_init(cpu_model);
 719     if (!env) {
 720         fprintf(stderr, "Unable to find Sparc CPU definition\n");
 721         exit(1);
 722     }
 723
 724     env->tick = cpu_timer_create("tick", env, tick_irq,
 725                                   tick_frequency, TICK_NPT_MASK);
 726
 727     env->stick = cpu_timer_create("stick", env, stick_irq,
 728                                    stick_frequency, TICK_INT_DIS);
 729
 730     env->hstick = cpu_timer_create("hstick", env, hstick_irq,
 731                                     hstick_frequency, TICK_INT_DIS);
 732
 733     reset_info = qemu_mallocz(sizeof(ResetData));
 734     reset_info->env = env;
 735     reset_info->prom_addr = hwdef->prom_addr;
 736     qemu_register_reset(main_cpu_reset, reset_info);
 737
 738     return env;
 739 }
 740
 741 static void sun4uv_init(ram_addr_t RAM_size,
 742                         const char *boot_devices,
 743                         const char *kernel_filename, const char *kernel_cmdline,
 744                         const char *initrd_filename, const char *cpu_model,
 745                         const struct hwdef *hwdef)
 746 {
 747     CPUState *env;
 748     M48t59State *nvram;
 749     unsigned int i;
 750     long initrd_size, kernel_size;
 751     PCIBus *pci_bus, *pci_bus2, *pci_bus3;
 752     qemu_irq *irq;
 753     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 754     DriveInfo *fd[MAX_FD];
 755     void *fw_cfg;
 756
 757     /* init CPUs */
 758     env = cpu_devinit(cpu_model, hwdef);
 759
 760     /* set up devices */
 761     ram_init(0, RAM_size);
 762
 763     prom_init(hwdef->prom_addr, bios_name);
 764
 765
 766     irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
 767     pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, irq, &pci_bus2,
 768                            &pci_bus3);
 769     isa_mem_base = APB_PCI_IO_BASE;
 770     pci_vga_init(pci_bus, 0, 0);
 771
 772     // XXX Should be pci_bus3
 773     pci_ebus_init(pci_bus, -1);
 774
 775     i = 0;
 776     if (hwdef->console_serial_base) {
 777         serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
 778                        serial_hds[i], 1, 1);
 779         i++;
 780     }
 781     for(; i < MAX_SERIAL_PORTS; i++) {
 782         if (serial_hds[i]) {
 783             serial_isa_init(i, serial_hds[i]);
 784         }
 785     }
 786
 787     for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
 788         if (parallel_hds[i]) {
 789             parallel_init(i, parallel_hds[i]);
 790         }
 791     }
 792
 793     for(i = 0; i < nb_nics; i++)
 794         pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
 795
 796     if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
 797         fprintf(stderr, "qemu: too many IDE bus\n");
 798         exit(1);
 799     }
 800     for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
 801         hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS,
 802                           i % MAX_IDE_DEVS);
 803     }
 804
 805     pci_cmd646_ide_init(pci_bus, hd, 1);
 806
 807     isa_create_simple("i8042");
 808     for(i = 0; i < MAX_FD; i++) {
 809         fd[i] = drive_get(IF_FLOPPY, 0, i);
 810     }
 811     fdctrl_init_isa(fd);
 812     nvram = m48t59_init_isa(0x0074, NVRAM_SIZE, 59);
 813
 814     initrd_size = 0;
 815     kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename,
 816                                     ram_size, &initrd_size);
 817
 818     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
 819                            KERNEL_LOAD_ADDR, kernel_size,
 820                            kernel_cmdline,
 821                            INITRD_LOAD_ADDR, initrd_size,
 822                            /* XXX: need an option to load a NVRAM image */
 823                            0,
 824                            graphic_width, graphic_height, graphic_depth,
 825                            (uint8_t *)&nd_table[0].macaddr);
 826
 827     fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
 828     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
 829     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
 830     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
 831     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
 832     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
 833     if (kernel_cmdline) {
 834         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
 835                        strlen(kernel_cmdline) + 1);
 836         fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA,
 837                          (uint8_t*)strdup(kernel_cmdline),
 838                          strlen(kernel_cmdline) + 1);
 839     } else {
 840         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
 841     }
 842     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
 843     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
 844     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[0]);
 845
 846     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
 847     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
 848     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
 849
 850     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 851 }
 852
 853 enum {
 854     sun4u_id = 0,
 855     sun4v_id = 64,
 856     niagara_id,
 857 };
 858
 859 static const struct hwdef hwdefs[] = {
 860     /* Sun4u generic PC-like machine */
 861     {
 862         .default_cpu_model = "TI UltraSparc IIi",
 863         .machine_id = sun4u_id,
 864         .prom_addr = 0x1fff0000000ULL,
 865         .console_serial_base = 0,
 866     },
 867     /* Sun4v generic PC-like machine */
 868     {
 869         .default_cpu_model = "Sun UltraSparc T1",
 870         .machine_id = sun4v_id,
 871         .prom_addr = 0x1fff0000000ULL,
 872         .console_serial_base = 0,
 873     },
 874     /* Sun4v generic Niagara machine */
 875     {
 876         .default_cpu_model = "Sun UltraSparc T1",
 877         .machine_id = niagara_id,
 878         .prom_addr = 0xfff0000000ULL,
 879         .console_serial_base = 0xfff0c2c000ULL,
 880     },
 881 };
 882
 883 /* Sun4u hardware initialisation */
 884 static void sun4u_init(ram_addr_t RAM_size,
 885                        const char *boot_devices,
 886                        const char *kernel_filename, const char *kernel_cmdline,
 887                        const char *initrd_filename, const char *cpu_model)
 888 {
 889     sun4uv_init(RAM_size, boot_devices, kernel_filename,
 890                 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
 891 }
 892
 893 /* Sun4v hardware initialisation */
 894 static void sun4v_init(ram_addr_t RAM_size,
 895                        const char *boot_devices,
 896                        const char *kernel_filename, const char *kernel_cmdline,
 897                        const char *initrd_filename, const char *cpu_model)
 898 {
 899     sun4uv_init(RAM_size, boot_devices, kernel_filename,
 900                 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
 901 }
 902
 903 /* Niagara hardware initialisation */
 904 static void niagara_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(RAM_size, boot_devices, kernel_filename,
 910                 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
 911 }
 912
 913 static QEMUMachine sun4u_machine = {
 914     .name = "sun4u",
 915     .desc = "Sun4u platform",
 916     .init = sun4u_init,
 917     .max_cpus = 1, // XXX for now
 918     .is_default = 1,
 919 };
 920
 921 static QEMUMachine sun4v_machine = {
 922     .name = "sun4v",
 923     .desc = "Sun4v platform",
 924     .init = sun4v_init,
 925     .max_cpus = 1, // XXX for now
 926 };
 927
 928 static QEMUMachine niagara_machine = {
 929     .name = "Niagara",
 930     .desc = "Sun4v platform, Niagara",
 931     .init = niagara_init,
 932     .max_cpus = 1, // XXX for now
 933 };
 934
 935 static void sun4u_machine_init(void)
 936 {
 937     qemu_register_machine(&sun4u_machine);
 938     qemu_register_machine(&sun4v_machine);
 939     qemu_register_machine(&niagara_machine);
 940 }
 941
 942 machine_init(sun4u_machine_init);