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 "qapi/error.h" 26 #include "qemu-common.h" 27 #include "cpu.h" 28 #include "hw/hw.h" 29 #include "hw/pci/pci.h" 30 #include "hw/pci-host/apb.h" 31 #include "hw/i386/pc.h" 32 #include "hw/char/serial.h" 33 #include "hw/timer/m48t59.h" 34 #include "hw/block/fdc.h" 35 #include "net/net.h" 36 #include "qemu/timer.h" 37 #include "sysemu/sysemu.h" 38 #include "hw/boards.h" 39 #include "hw/nvram/openbios_firmware_abi.h" 40 #include "hw/nvram/fw_cfg.h" 41 #include "hw/sysbus.h" 42 #include "hw/ide.h" 43 #include "hw/loader.h" 44 #include "elf.h" 45 #include "sysemu/block-backend.h" 46 #include "exec/address-spaces.h" 47 #include "qemu/cutils.h" 48 49 //#define DEBUG_IRQ 50 //#define DEBUG_EBUS 51 //#define DEBUG_TIMER 52 53 #ifdef DEBUG_IRQ 54 #define CPUIRQ_DPRINTF(fmt, ...) \ 55 do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0) 56 #else 57 #define CPUIRQ_DPRINTF(fmt, ...) 58 #endif 59 60 #ifdef DEBUG_EBUS 61 #define EBUS_DPRINTF(fmt, ...) \ 62 do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0) 63 #else 64 #define EBUS_DPRINTF(fmt, ...) 65 #endif 66 67 #ifdef DEBUG_TIMER 68 #define TIMER_DPRINTF(fmt, ...) \ 69 do { printf("TIMER: " fmt , ## __VA_ARGS__); } while (0) 70 #else 71 #define TIMER_DPRINTF(fmt, ...) 72 #endif 73 74 #define KERNEL_LOAD_ADDR 0x00404000 75 #define CMDLINE_ADDR 0x003ff000 76 #define PROM_SIZE_MAX (4 * 1024 * 1024) 77 #define PROM_VADDR 0x000ffd00000ULL 78 #define APB_SPECIAL_BASE 0x1fe00000000ULL 79 #define APB_MEM_BASE 0x1ff00000000ULL 80 #define APB_PCI_IO_BASE (APB_SPECIAL_BASE + 0x02000000ULL) 81 #define PROM_FILENAME "openbios-sparc64" 82 #define NVRAM_SIZE 0x2000 83 #define MAX_IDE_BUS 2 84 #define BIOS_CFG_IOPORT 0x510 85 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00) 86 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01) 87 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02) 88 89 #define IVEC_MAX 0x40 90 91 #define TICK_MAX 0x7fffffffffffffffULL 92 93 struct hwdef { 94 const char * const default_cpu_model; 95 uint16_t machine_id; 96 uint64_t prom_addr; 97 uint64_t console_serial_base; 98 }; 99 100 typedef struct EbusState { 101 PCIDevice pci_dev; 102 MemoryRegion bar0; 103 MemoryRegion bar1; 104 } EbusState; 105 106 void DMA_init(ISABus *bus, int high_page_enable) 107 { 108 } 109 110 static void fw_cfg_boot_set(void *opaque, const char *boot_device, 111 Error **errp) 112 { 113 fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]); 114 } 115 116 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size, 117 const char *arch, ram_addr_t RAM_size, 118 const char *boot_devices, 119 uint32_t kernel_image, uint32_t kernel_size, 120 const char *cmdline, 121 uint32_t initrd_image, uint32_t initrd_size, 122 uint32_t NVRAM_image, 123 int width, int height, int depth, 124 const uint8_t *macaddr) 125 { 126 unsigned int i; 127 uint32_t start, end; 128 uint8_t image[0x1ff0]; 129 struct OpenBIOS_nvpart_v1 *part_header; 130 NvramClass *k = NVRAM_GET_CLASS(nvram); 131 132 memset(image, '\0', sizeof(image)); 133 134 start = 0; 135 136 // OpenBIOS nvram variables 137 // Variable partition 138 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start]; 139 part_header->signature = OPENBIOS_PART_SYSTEM; 140 pstrcpy(part_header->name, sizeof(part_header->name), "system"); 141 142 end = start + sizeof(struct OpenBIOS_nvpart_v1); 143 for (i = 0; i < nb_prom_envs; i++) 144 end = OpenBIOS_set_var(image, end, prom_envs[i]); 145 146 // End marker 147 image[end++] = '\0'; 148 149 end = start + ((end - start + 15) & ~15); 150 OpenBIOS_finish_partition(part_header, end - start); 151 152 // free partition 153 start = end; 154 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start]; 155 part_header->signature = OPENBIOS_PART_FREE; 156 pstrcpy(part_header->name, sizeof(part_header->name), "free"); 157 158 end = 0x1fd0; 159 OpenBIOS_finish_partition(part_header, end - start); 160 161 Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80); 162 163 for (i = 0; i < sizeof(image); i++) { 164 (k->write)(nvram, i, image[i]); 165 } 166 167 return 0; 168 } 169 170 static uint64_t sun4u_load_kernel(const char *kernel_filename, 171 const char *initrd_filename, 172 ram_addr_t RAM_size, uint64_t *initrd_size, 173 uint64_t *initrd_addr, uint64_t *kernel_addr, 174 uint64_t *kernel_entry) 175 { 176 int linux_boot; 177 unsigned int i; 178 long kernel_size; 179 uint8_t *ptr; 180 uint64_t kernel_top; 181 182 linux_boot = (kernel_filename != NULL); 183 184 kernel_size = 0; 185 if (linux_boot) { 186 int bswap_needed; 187 188 #ifdef BSWAP_NEEDED 189 bswap_needed = 1; 190 #else 191 bswap_needed = 0; 192 #endif 193 kernel_size = load_elf(kernel_filename, NULL, NULL, kernel_entry, 194 kernel_addr, &kernel_top, 1, EM_SPARCV9, 0, 0); 195 if (kernel_size < 0) { 196 *kernel_addr = KERNEL_LOAD_ADDR; 197 *kernel_entry = KERNEL_LOAD_ADDR; 198 kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR, 199 RAM_size - KERNEL_LOAD_ADDR, bswap_needed, 200 TARGET_PAGE_SIZE); 201 } 202 if (kernel_size < 0) { 203 kernel_size = load_image_targphys(kernel_filename, 204 KERNEL_LOAD_ADDR, 205 RAM_size - KERNEL_LOAD_ADDR); 206 } 207 if (kernel_size < 0) { 208 fprintf(stderr, "qemu: could not load kernel '%s'\n", 209 kernel_filename); 210 exit(1); 211 } 212 /* load initrd above kernel */ 213 *initrd_size = 0; 214 if (initrd_filename) { 215 *initrd_addr = TARGET_PAGE_ALIGN(kernel_top); 216 217 *initrd_size = load_image_targphys(initrd_filename, 218 *initrd_addr, 219 RAM_size - *initrd_addr); 220 if ((int)*initrd_size < 0) { 221 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 222 initrd_filename); 223 exit(1); 224 } 225 } 226 if (*initrd_size > 0) { 227 for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) { 228 ptr = rom_ptr(*kernel_addr + i); 229 if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */ 230 stl_p(ptr + 24, *initrd_addr + *kernel_addr); 231 stl_p(ptr + 28, *initrd_size); 232 break; 233 } 234 } 235 } 236 } 237 return kernel_size; 238 } 239 240 void cpu_check_irqs(CPUSPARCState *env) 241 { 242 CPUState *cs; 243 uint32_t pil = env->pil_in | 244 (env->softint & ~(SOFTINT_TIMER | SOFTINT_STIMER)); 245 246 /* TT_IVEC has a higher priority (16) than TT_EXTINT (31..17) */ 247 if (env->ivec_status & 0x20) { 248 return; 249 } 250 cs = CPU(sparc_env_get_cpu(env)); 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 (cs->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(cs, 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 (unlikely(env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt 279 && ((cpu_tsptr(env)->tt & 0x1f0) == TT_EXTINT))) { 280 CPUIRQ_DPRINTF("Not setting CPU IRQ: TL=%d " 281 "current %x >= pending %x\n", 282 env->tl, cpu_tsptr(env)->tt, new_interrupt); 283 } else if (old_interrupt != new_interrupt) { 284 env->interrupt_index = new_interrupt; 285 CPUIRQ_DPRINTF("Set CPU IRQ %d old=%x new=%x\n", i, 286 old_interrupt, new_interrupt); 287 cpu_interrupt(cs, CPU_INTERRUPT_HARD); 288 } 289 break; 290 } 291 } 292 } else if (cs->interrupt_request & CPU_INTERRUPT_HARD) { 293 CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x " 294 "current interrupt %x\n", 295 pil, env->pil_in, env->softint, env->interrupt_index); 296 env->interrupt_index = 0; 297 cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); 298 } 299 } 300 301 static void cpu_kick_irq(SPARCCPU *cpu) 302 { 303 CPUState *cs = CPU(cpu); 304 CPUSPARCState *env = &cpu->env; 305 306 cs->halted = 0; 307 cpu_check_irqs(env); 308 qemu_cpu_kick(cs); 309 } 310 311 static void cpu_set_ivec_irq(void *opaque, int irq, int level) 312 { 313 SPARCCPU *cpu = opaque; 314 CPUSPARCState *env = &cpu->env; 315 CPUState *cs; 316 317 if (level) { 318 if (!(env->ivec_status & 0x20)) { 319 CPUIRQ_DPRINTF("Raise IVEC IRQ %d\n", irq); 320 cs = CPU(cpu); 321 cs->halted = 0; 322 env->interrupt_index = TT_IVEC; 323 env->ivec_status |= 0x20; 324 env->ivec_data[0] = (0x1f << 6) | irq; 325 env->ivec_data[1] = 0; 326 env->ivec_data[2] = 0; 327 cpu_interrupt(cs, CPU_INTERRUPT_HARD); 328 } 329 } else { 330 if (env->ivec_status & 0x20) { 331 CPUIRQ_DPRINTF("Lower IVEC IRQ %d\n", irq); 332 cs = CPU(cpu); 333 env->ivec_status &= ~0x20; 334 cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); 335 } 336 } 337 } 338 339 typedef struct ResetData { 340 SPARCCPU *cpu; 341 uint64_t prom_addr; 342 } ResetData; 343 344 static CPUTimer *cpu_timer_create(const char *name, SPARCCPU *cpu, 345 QEMUBHFunc *cb, uint32_t frequency, 346 uint64_t disabled_mask, uint64_t npt_mask) 347 { 348 CPUTimer *timer = g_malloc0(sizeof (CPUTimer)); 349 350 timer->name = name; 351 timer->frequency = frequency; 352 timer->disabled_mask = disabled_mask; 353 timer->npt_mask = npt_mask; 354 355 timer->disabled = 1; 356 timer->npt = 1; 357 timer->clock_offset = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 358 359 timer->qtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cb, cpu); 360 361 return timer; 362 } 363 364 static void cpu_timer_reset(CPUTimer *timer) 365 { 366 timer->disabled = 1; 367 timer->clock_offset = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 368 369 timer_del(timer->qtimer); 370 } 371 372 static void main_cpu_reset(void *opaque) 373 { 374 ResetData *s = (ResetData *)opaque; 375 CPUSPARCState *env = &s->cpu->env; 376 static unsigned int nr_resets; 377 378 cpu_reset(CPU(s->cpu)); 379 380 cpu_timer_reset(env->tick); 381 cpu_timer_reset(env->stick); 382 cpu_timer_reset(env->hstick); 383 384 env->gregs[1] = 0; // Memory start 385 env->gregs[2] = ram_size; // Memory size 386 env->gregs[3] = 0; // Machine description XXX 387 if (nr_resets++ == 0) { 388 /* Power on reset */ 389 env->pc = s->prom_addr + 0x20ULL; 390 } else { 391 env->pc = s->prom_addr + 0x40ULL; 392 } 393 env->npc = env->pc + 4; 394 } 395 396 static void tick_irq(void *opaque) 397 { 398 SPARCCPU *cpu = opaque; 399 CPUSPARCState *env = &cpu->env; 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(cpu); 412 } 413 414 static void stick_irq(void *opaque) 415 { 416 SPARCCPU *cpu = opaque; 417 CPUSPARCState *env = &cpu->env; 418 419 CPUTimer* timer = env->stick; 420 421 if (timer->disabled) { 422 CPUIRQ_DPRINTF("stick_irq: softint disabled\n"); 423 return; 424 } else { 425 CPUIRQ_DPRINTF("stick: fire\n"); 426 } 427 428 env->softint |= SOFTINT_STIMER; 429 cpu_kick_irq(cpu); 430 } 431 432 static void hstick_irq(void *opaque) 433 { 434 SPARCCPU *cpu = opaque; 435 CPUSPARCState *env = &cpu->env; 436 437 CPUTimer* timer = env->hstick; 438 439 if (timer->disabled) { 440 CPUIRQ_DPRINTF("hstick_irq: softint disabled\n"); 441 return; 442 } else { 443 CPUIRQ_DPRINTF("hstick: fire\n"); 444 } 445 446 env->softint |= SOFTINT_STIMER; 447 cpu_kick_irq(cpu); 448 } 449 450 static int64_t cpu_to_timer_ticks(int64_t cpu_ticks, uint32_t frequency) 451 { 452 return muldiv64(cpu_ticks, NANOSECONDS_PER_SECOND, frequency); 453 } 454 455 static uint64_t timer_to_cpu_ticks(int64_t timer_ticks, uint32_t frequency) 456 { 457 return muldiv64(timer_ticks, frequency, NANOSECONDS_PER_SECOND); 458 } 459 460 void cpu_tick_set_count(CPUTimer *timer, uint64_t count) 461 { 462 uint64_t real_count = count & ~timer->npt_mask; 463 uint64_t npt_bit = count & timer->npt_mask; 464 465 int64_t vm_clock_offset = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - 466 cpu_to_timer_ticks(real_count, timer->frequency); 467 468 TIMER_DPRINTF("%s set_count count=0x%016lx (npt %s) p=%p\n", 469 timer->name, real_count, 470 timer->npt ? "disabled" : "enabled", timer); 471 472 timer->npt = npt_bit ? 1 : 0; 473 timer->clock_offset = vm_clock_offset; 474 } 475 476 uint64_t cpu_tick_get_count(CPUTimer *timer) 477 { 478 uint64_t real_count = timer_to_cpu_ticks( 479 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - timer->clock_offset, 480 timer->frequency); 481 482 TIMER_DPRINTF("%s get_count count=0x%016lx (npt %s) p=%p\n", 483 timer->name, real_count, 484 timer->npt ? "disabled" : "enabled", timer); 485 486 if (timer->npt) { 487 real_count |= timer->npt_mask; 488 } 489 490 return real_count; 491 } 492 493 void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit) 494 { 495 int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 496 497 uint64_t real_limit = limit & ~timer->disabled_mask; 498 timer->disabled = (limit & timer->disabled_mask) ? 1 : 0; 499 500 int64_t expires = cpu_to_timer_ticks(real_limit, timer->frequency) + 501 timer->clock_offset; 502 503 if (expires < now) { 504 expires = now + 1; 505 } 506 507 TIMER_DPRINTF("%s set_limit limit=0x%016lx (%s) p=%p " 508 "called with limit=0x%016lx at 0x%016lx (delta=0x%016lx)\n", 509 timer->name, real_limit, 510 timer->disabled?"disabled":"enabled", 511 timer, limit, 512 timer_to_cpu_ticks(now - timer->clock_offset, 513 timer->frequency), 514 timer_to_cpu_ticks(expires - now, timer->frequency)); 515 516 if (!real_limit) { 517 TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n", 518 timer->name); 519 timer_del(timer->qtimer); 520 } else if (timer->disabled) { 521 timer_del(timer->qtimer); 522 } else { 523 timer_mod(timer->qtimer, expires); 524 } 525 } 526 527 static void isa_irq_handler(void *opaque, int n, int level) 528 { 529 static const int isa_irq_to_ivec[16] = { 530 [1] = 0x29, /* keyboard */ 531 [4] = 0x2b, /* serial */ 532 [6] = 0x27, /* floppy */ 533 [7] = 0x22, /* parallel */ 534 [12] = 0x2a, /* mouse */ 535 }; 536 qemu_irq *irqs = opaque; 537 int ivec; 538 539 assert(n < 16); 540 ivec = isa_irq_to_ivec[n]; 541 EBUS_DPRINTF("Set ISA IRQ %d level %d -> ivec 0x%x\n", n, level, ivec); 542 if (ivec) { 543 qemu_set_irq(irqs[ivec], level); 544 } 545 } 546 547 /* EBUS (Eight bit bus) bridge */ 548 static ISABus * 549 pci_ebus_init(PCIBus *bus, int devfn, qemu_irq *irqs) 550 { 551 qemu_irq *isa_irq; 552 PCIDevice *pci_dev; 553 ISABus *isa_bus; 554 555 pci_dev = pci_create_simple(bus, devfn, "ebus"); 556 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci_dev), "isa.0")); 557 isa_irq = qemu_allocate_irqs(isa_irq_handler, irqs, 16); 558 isa_bus_irqs(isa_bus, isa_irq); 559 return isa_bus; 560 } 561 562 static void pci_ebus_realize(PCIDevice *pci_dev, Error **errp) 563 { 564 EbusState *s = DO_UPCAST(EbusState, pci_dev, pci_dev); 565 566 if (!isa_bus_new(DEVICE(pci_dev), get_system_memory(), 567 pci_address_space_io(pci_dev), errp)) { 568 return; 569 } 570 571 pci_dev->config[0x04] = 0x06; // command = bus master, pci mem 572 pci_dev->config[0x05] = 0x00; 573 pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error 574 pci_dev->config[0x07] = 0x03; // status = medium devsel 575 pci_dev->config[0x09] = 0x00; // programming i/f 576 pci_dev->config[0x0D] = 0x0a; // latency_timer 577 578 memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(), 579 0, 0x1000000); 580 pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0); 581 memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(), 582 0, 0x4000); 583 pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1); 584 } 585 586 static void ebus_class_init(ObjectClass *klass, void *data) 587 { 588 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 589 590 k->realize = pci_ebus_realize; 591 k->vendor_id = PCI_VENDOR_ID_SUN; 592 k->device_id = PCI_DEVICE_ID_SUN_EBUS; 593 k->revision = 0x01; 594 k->class_id = PCI_CLASS_BRIDGE_OTHER; 595 } 596 597 static const TypeInfo ebus_info = { 598 .name = "ebus", 599 .parent = TYPE_PCI_DEVICE, 600 .instance_size = sizeof(EbusState), 601 .class_init = ebus_class_init, 602 }; 603 604 #define TYPE_OPENPROM "openprom" 605 #define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM) 606 607 typedef struct PROMState { 608 SysBusDevice parent_obj; 609 610 MemoryRegion prom; 611 } PROMState; 612 613 static uint64_t translate_prom_address(void *opaque, uint64_t addr) 614 { 615 hwaddr *base_addr = (hwaddr *)opaque; 616 return addr + *base_addr - PROM_VADDR; 617 } 618 619 /* Boot PROM (OpenBIOS) */ 620 static void prom_init(hwaddr addr, const char *bios_name) 621 { 622 DeviceState *dev; 623 SysBusDevice *s; 624 char *filename; 625 int ret; 626 627 dev = qdev_create(NULL, TYPE_OPENPROM); 628 qdev_init_nofail(dev); 629 s = SYS_BUS_DEVICE(dev); 630 631 sysbus_mmio_map(s, 0, addr); 632 633 /* load boot prom */ 634 if (bios_name == NULL) { 635 bios_name = PROM_FILENAME; 636 } 637 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 638 if (filename) { 639 ret = load_elf(filename, translate_prom_address, &addr, 640 NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0); 641 if (ret < 0 || ret > PROM_SIZE_MAX) { 642 ret = load_image_targphys(filename, addr, PROM_SIZE_MAX); 643 } 644 g_free(filename); 645 } else { 646 ret = -1; 647 } 648 if (ret < 0 || ret > PROM_SIZE_MAX) { 649 fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name); 650 exit(1); 651 } 652 } 653 654 static int prom_init1(SysBusDevice *dev) 655 { 656 PROMState *s = OPENPROM(dev); 657 658 memory_region_init_ram(&s->prom, OBJECT(s), "sun4u.prom", PROM_SIZE_MAX, 659 &error_fatal); 660 vmstate_register_ram_global(&s->prom); 661 memory_region_set_readonly(&s->prom, true); 662 sysbus_init_mmio(dev, &s->prom); 663 return 0; 664 } 665 666 static Property prom_properties[] = { 667 {/* end of property list */}, 668 }; 669 670 static void prom_class_init(ObjectClass *klass, void *data) 671 { 672 DeviceClass *dc = DEVICE_CLASS(klass); 673 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 674 675 k->init = prom_init1; 676 dc->props = prom_properties; 677 } 678 679 static const TypeInfo prom_info = { 680 .name = TYPE_OPENPROM, 681 .parent = TYPE_SYS_BUS_DEVICE, 682 .instance_size = sizeof(PROMState), 683 .class_init = prom_class_init, 684 }; 685 686 687 #define TYPE_SUN4U_MEMORY "memory" 688 #define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY) 689 690 typedef struct RamDevice { 691 SysBusDevice parent_obj; 692 693 MemoryRegion ram; 694 uint64_t size; 695 } RamDevice; 696 697 /* System RAM */ 698 static int ram_init1(SysBusDevice *dev) 699 { 700 RamDevice *d = SUN4U_RAM(dev); 701 702 memory_region_init_ram(&d->ram, OBJECT(d), "sun4u.ram", d->size, 703 &error_fatal); 704 vmstate_register_ram_global(&d->ram); 705 sysbus_init_mmio(dev, &d->ram); 706 return 0; 707 } 708 709 static void ram_init(hwaddr addr, ram_addr_t RAM_size) 710 { 711 DeviceState *dev; 712 SysBusDevice *s; 713 RamDevice *d; 714 715 /* allocate RAM */ 716 dev = qdev_create(NULL, TYPE_SUN4U_MEMORY); 717 s = SYS_BUS_DEVICE(dev); 718 719 d = SUN4U_RAM(dev); 720 d->size = RAM_size; 721 qdev_init_nofail(dev); 722 723 sysbus_mmio_map(s, 0, addr); 724 } 725 726 static Property ram_properties[] = { 727 DEFINE_PROP_UINT64("size", RamDevice, size, 0), 728 DEFINE_PROP_END_OF_LIST(), 729 }; 730 731 static void ram_class_init(ObjectClass *klass, void *data) 732 { 733 DeviceClass *dc = DEVICE_CLASS(klass); 734 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 735 736 k->init = ram_init1; 737 dc->props = ram_properties; 738 } 739 740 static const TypeInfo ram_info = { 741 .name = TYPE_SUN4U_MEMORY, 742 .parent = TYPE_SYS_BUS_DEVICE, 743 .instance_size = sizeof(RamDevice), 744 .class_init = ram_class_init, 745 }; 746 747 static SPARCCPU *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef) 748 { 749 SPARCCPU *cpu; 750 CPUSPARCState *env; 751 ResetData *reset_info; 752 753 uint32_t tick_frequency = 100*1000000; 754 uint32_t stick_frequency = 100*1000000; 755 uint32_t hstick_frequency = 100*1000000; 756 757 if (cpu_model == NULL) { 758 cpu_model = hwdef->default_cpu_model; 759 } 760 cpu = cpu_sparc_init(cpu_model); 761 if (cpu == NULL) { 762 fprintf(stderr, "Unable to find Sparc CPU definition\n"); 763 exit(1); 764 } 765 env = &cpu->env; 766 767 env->tick = cpu_timer_create("tick", cpu, tick_irq, 768 tick_frequency, TICK_INT_DIS, 769 TICK_NPT_MASK); 770 771 env->stick = cpu_timer_create("stick", cpu, stick_irq, 772 stick_frequency, TICK_INT_DIS, 773 TICK_NPT_MASK); 774 775 env->hstick = cpu_timer_create("hstick", cpu, hstick_irq, 776 hstick_frequency, TICK_INT_DIS, 777 TICK_NPT_MASK); 778 779 reset_info = g_malloc0(sizeof(ResetData)); 780 reset_info->cpu = cpu; 781 reset_info->prom_addr = hwdef->prom_addr; 782 qemu_register_reset(main_cpu_reset, reset_info); 783 784 return cpu; 785 } 786 787 static void sun4uv_init(MemoryRegion *address_space_mem, 788 MachineState *machine, 789 const struct hwdef *hwdef) 790 { 791 SPARCCPU *cpu; 792 Nvram *nvram; 793 unsigned int i; 794 uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry; 795 PCIBus *pci_bus, *pci_bus2, *pci_bus3; 796 ISABus *isa_bus; 797 SysBusDevice *s; 798 qemu_irq *ivec_irqs, *pbm_irqs; 799 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 800 DriveInfo *fd[MAX_FD]; 801 DeviceState *dev; 802 FWCfgState *fw_cfg; 803 804 /* init CPUs */ 805 cpu = cpu_devinit(machine->cpu_model, hwdef); 806 807 /* set up devices */ 808 ram_init(0, machine->ram_size); 809 810 prom_init(hwdef->prom_addr, bios_name); 811 812 ivec_irqs = qemu_allocate_irqs(cpu_set_ivec_irq, cpu, IVEC_MAX); 813 pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, ivec_irqs, &pci_bus2, 814 &pci_bus3, &pbm_irqs); 815 pci_vga_init(pci_bus); 816 817 // XXX Should be pci_bus3 818 isa_bus = pci_ebus_init(pci_bus, -1, pbm_irqs); 819 820 i = 0; 821 if (hwdef->console_serial_base) { 822 serial_mm_init(address_space_mem, hwdef->console_serial_base, 0, 823 NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN); 824 i++; 825 } 826 827 serial_hds_isa_init(isa_bus, i, MAX_SERIAL_PORTS); 828 parallel_hds_isa_init(isa_bus, MAX_PARALLEL_PORTS); 829 830 for(i = 0; i < nb_nics; i++) 831 pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL); 832 833 ide_drive_get(hd, ARRAY_SIZE(hd)); 834 835 pci_cmd646_ide_init(pci_bus, hd, 1); 836 837 isa_create_simple(isa_bus, "i8042"); 838 839 /* Floppy */ 840 for(i = 0; i < MAX_FD; i++) { 841 fd[i] = drive_get(IF_FLOPPY, 0, i); 842 } 843 dev = DEVICE(isa_create(isa_bus, TYPE_ISA_FDC)); 844 if (fd[0]) { 845 qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]), 846 &error_abort); 847 } 848 if (fd[1]) { 849 qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]), 850 &error_abort); 851 } 852 qdev_prop_set_uint32(dev, "dma", -1); 853 qdev_init_nofail(dev); 854 855 /* Map NVRAM into I/O (ebus) space */ 856 nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59); 857 s = SYS_BUS_DEVICE(nvram); 858 memory_region_add_subregion(get_system_io(), 0x2000, 859 sysbus_mmio_get_region(s, 0)); 860 861 initrd_size = 0; 862 initrd_addr = 0; 863 kernel_size = sun4u_load_kernel(machine->kernel_filename, 864 machine->initrd_filename, 865 ram_size, &initrd_size, &initrd_addr, 866 &kernel_addr, &kernel_entry); 867 868 sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size, 869 machine->boot_order, 870 kernel_addr, kernel_size, 871 machine->kernel_cmdline, 872 initrd_addr, initrd_size, 873 /* XXX: need an option to load a NVRAM image */ 874 0, 875 graphic_width, graphic_height, graphic_depth, 876 (uint8_t *)&nd_table[0].macaddr); 877 878 fw_cfg = fw_cfg_init_io(BIOS_CFG_IOPORT); 879 fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus); 880 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size); 881 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id); 882 fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry); 883 fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); 884 if (machine->kernel_cmdline) { 885 fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 886 strlen(machine->kernel_cmdline) + 1); 887 fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline); 888 } else { 889 fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0); 890 } 891 fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr); 892 fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); 893 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]); 894 895 fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width); 896 fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height); 897 fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth); 898 899 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); 900 } 901 902 enum { 903 sun4u_id = 0, 904 sun4v_id = 64, 905 niagara_id, 906 }; 907 908 static const struct hwdef hwdefs[] = { 909 /* Sun4u generic PC-like machine */ 910 { 911 .default_cpu_model = "TI UltraSparc IIi", 912 .machine_id = sun4u_id, 913 .prom_addr = 0x1fff0000000ULL, 914 .console_serial_base = 0, 915 }, 916 /* Sun4v generic PC-like machine */ 917 { 918 .default_cpu_model = "Sun UltraSparc T1", 919 .machine_id = sun4v_id, 920 .prom_addr = 0x1fff0000000ULL, 921 .console_serial_base = 0, 922 }, 923 /* Sun4v generic Niagara machine */ 924 { 925 .default_cpu_model = "Sun UltraSparc T1", 926 .machine_id = niagara_id, 927 .prom_addr = 0xfff0000000ULL, 928 .console_serial_base = 0xfff0c2c000ULL, 929 }, 930 }; 931 932 /* Sun4u hardware initialisation */ 933 static void sun4u_init(MachineState *machine) 934 { 935 sun4uv_init(get_system_memory(), machine, &hwdefs[0]); 936 } 937 938 /* Sun4v hardware initialisation */ 939 static void sun4v_init(MachineState *machine) 940 { 941 sun4uv_init(get_system_memory(), machine, &hwdefs[1]); 942 } 943 944 /* Niagara hardware initialisation */ 945 static void niagara_init(MachineState *machine) 946 { 947 sun4uv_init(get_system_memory(), machine, &hwdefs[2]); 948 } 949 950 static void sun4u_class_init(ObjectClass *oc, void *data) 951 { 952 MachineClass *mc = MACHINE_CLASS(oc); 953 954 mc->desc = "Sun4u platform"; 955 mc->init = sun4u_init; 956 mc->max_cpus = 1; /* XXX for now */ 957 mc->is_default = 1; 958 mc->default_boot_order = "c"; 959 } 960 961 static const TypeInfo sun4u_type = { 962 .name = MACHINE_TYPE_NAME("sun4u"), 963 .parent = TYPE_MACHINE, 964 .class_init = sun4u_class_init, 965 }; 966 967 static void sun4v_class_init(ObjectClass *oc, void *data) 968 { 969 MachineClass *mc = MACHINE_CLASS(oc); 970 971 mc->desc = "Sun4v platform"; 972 mc->init = sun4v_init; 973 mc->max_cpus = 1; /* XXX for now */ 974 mc->default_boot_order = "c"; 975 } 976 977 static const TypeInfo sun4v_type = { 978 .name = MACHINE_TYPE_NAME("sun4v"), 979 .parent = TYPE_MACHINE, 980 .class_init = sun4v_class_init, 981 }; 982 983 static void niagara_class_init(ObjectClass *oc, void *data) 984 { 985 MachineClass *mc = MACHINE_CLASS(oc); 986 987 mc->desc = "Sun4v platform, Niagara"; 988 mc->init = niagara_init; 989 mc->max_cpus = 1; /* XXX for now */ 990 mc->default_boot_order = "c"; 991 } 992 993 static const TypeInfo niagara_type = { 994 .name = MACHINE_TYPE_NAME("Niagara"), 995 .parent = TYPE_MACHINE, 996 .class_init = niagara_class_init, 997 }; 998 999 static void sun4u_register_types(void) 1000 { 1001 type_register_static(&ebus_info); 1002 type_register_static(&prom_info); 1003 type_register_static(&ram_info); 1004 1005 type_register_static(&sun4u_type); 1006 type_register_static(&sun4v_type); 1007 type_register_static(&niagara_type); 1008 } 1009 1010 type_init(sun4u_register_types) 1011