1 /* 2 * QEMU HPPA hardware system emulator. 3 * (C) Copyright 2018-2023 Helge Deller <deller@gmx.de> 4 * 5 * This work is licensed under the GNU GPL license version 2 or later. 6 */ 7 8 #include "qemu/osdep.h" 9 #include "qemu/datadir.h" 10 #include "cpu.h" 11 #include "elf.h" 12 #include "hw/loader.h" 13 #include "qemu/error-report.h" 14 #include "sysemu/reset.h" 15 #include "sysemu/sysemu.h" 16 #include "sysemu/runstate.h" 17 #include "hw/rtc/mc146818rtc.h" 18 #include "hw/timer/i8254.h" 19 #include "hw/char/serial.h" 20 #include "hw/char/parallel.h" 21 #include "hw/intc/i8259.h" 22 #include "hw/input/lasips2.h" 23 #include "hw/net/lasi_82596.h" 24 #include "hw/nmi.h" 25 #include "hw/usb.h" 26 #include "hw/pci/pci.h" 27 #include "hw/pci/pci_device.h" 28 #include "hw/pci-host/astro.h" 29 #include "hw/pci-host/dino.h" 30 #include "hw/misc/lasi.h" 31 #include "hppa_hardware.h" 32 #include "qemu/units.h" 33 #include "qapi/error.h" 34 #include "net/net.h" 35 #include "qemu/log.h" 36 37 #define MIN_SEABIOS_HPPA_VERSION 10 /* require at least this fw version */ 38 39 /* Power button address at &PAGE0->pad[4] */ 40 #define HPA_POWER_BUTTON (0x40 + 4 * sizeof(uint32_t)) 41 42 #define enable_lasi_lan() 0 43 44 static DeviceState *lasi_dev; 45 46 static void hppa_powerdown_req(Notifier *n, void *opaque) 47 { 48 hwaddr soft_power_reg = HPA_POWER_BUTTON; 49 uint32_t val; 50 51 val = ldl_be_phys(&address_space_memory, soft_power_reg); 52 if ((val >> 8) == 0) { 53 /* immediately shut down when under hardware control */ 54 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); 55 return; 56 } 57 58 /* clear bit 31 to indicate that the power switch was pressed. */ 59 val &= ~1; 60 stl_be_phys(&address_space_memory, soft_power_reg, val); 61 } 62 63 static Notifier hppa_system_powerdown_notifier = { 64 .notify = hppa_powerdown_req 65 }; 66 67 /* Fallback for unassigned PCI I/O operations. Avoids MCHK. */ 68 static uint64_t ignore_read(void *opaque, hwaddr addr, unsigned size) 69 { 70 return 0; 71 } 72 73 static void ignore_write(void *opaque, hwaddr addr, uint64_t v, unsigned size) 74 { 75 } 76 77 static const MemoryRegionOps hppa_pci_ignore_ops = { 78 .read = ignore_read, 79 .write = ignore_write, 80 .endianness = DEVICE_BIG_ENDIAN, 81 .valid = { 82 .min_access_size = 1, 83 .max_access_size = 8, 84 }, 85 .impl = { 86 .min_access_size = 1, 87 .max_access_size = 8, 88 }, 89 }; 90 91 static ISABus *hppa_isa_bus(hwaddr addr) 92 { 93 ISABus *isa_bus; 94 qemu_irq *isa_irqs; 95 MemoryRegion *isa_region; 96 97 isa_region = g_new(MemoryRegion, 1); 98 memory_region_init_io(isa_region, NULL, &hppa_pci_ignore_ops, 99 NULL, "isa-io", 0x800); 100 memory_region_add_subregion(get_system_memory(), addr, isa_region); 101 102 isa_bus = isa_bus_new(NULL, get_system_memory(), isa_region, 103 &error_abort); 104 isa_irqs = i8259_init(isa_bus, NULL); 105 isa_bus_register_input_irqs(isa_bus, isa_irqs); 106 107 return isa_bus; 108 } 109 110 /* 111 * Helper functions to emulate RTC clock and DebugOutputPort 112 */ 113 static time_t rtc_ref; 114 115 static uint64_t io_cpu_read(void *opaque, hwaddr addr, unsigned size) 116 { 117 uint64_t val = 0; 118 119 switch (addr) { 120 case 0: /* RTC clock */ 121 val = time(NULL); 122 val += rtc_ref; 123 break; 124 case 8: /* DebugOutputPort */ 125 return 0xe9; /* readback */ 126 } 127 return val; 128 } 129 130 static void io_cpu_write(void *opaque, hwaddr addr, 131 uint64_t val, unsigned size) 132 { 133 unsigned char ch; 134 Chardev *debugout; 135 136 switch (addr) { 137 case 0: /* RTC clock */ 138 rtc_ref = val - time(NULL); 139 break; 140 case 8: /* DebugOutputPort */ 141 ch = val; 142 debugout = serial_hd(0); 143 if (debugout) { 144 qemu_chr_fe_write_all(debugout->be, &ch, 1); 145 } else { 146 fprintf(stderr, "%c", ch); 147 } 148 break; 149 } 150 } 151 152 static const MemoryRegionOps hppa_io_helper_ops = { 153 .read = io_cpu_read, 154 .write = io_cpu_write, 155 .endianness = DEVICE_BIG_ENDIAN, 156 .valid = { 157 .min_access_size = 1, 158 .max_access_size = 8, 159 }, 160 .impl = { 161 .min_access_size = 1, 162 .max_access_size = 8, 163 }, 164 }; 165 166 typedef uint64_t TranslateFn(void *opaque, uint64_t addr); 167 168 static uint64_t linux_kernel_virt_to_phys(void *opaque, uint64_t addr) 169 { 170 addr &= (0x10000000 - 1); 171 return addr; 172 } 173 174 static uint64_t translate_pa10(void *dummy, uint64_t addr) 175 { 176 return (uint32_t)addr; 177 } 178 179 static uint64_t translate_pa20(void *dummy, uint64_t addr) 180 { 181 return hppa_abs_to_phys_pa2_w0(addr); 182 } 183 184 static HPPACPU *cpu[HPPA_MAX_CPUS]; 185 static uint64_t firmware_entry; 186 187 static void fw_cfg_boot_set(void *opaque, const char *boot_device, 188 Error **errp) 189 { 190 fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]); 191 } 192 193 static FWCfgState *create_fw_cfg(MachineState *ms, PCIBus *pci_bus, 194 hwaddr addr) 195 { 196 FWCfgState *fw_cfg; 197 uint64_t val; 198 const char qemu_version[] = QEMU_VERSION; 199 MachineClass *mc = MACHINE_GET_CLASS(ms); 200 int btlb_entries = HPPA_BTLB_ENTRIES(&cpu[0]->env); 201 int len; 202 203 fw_cfg = fw_cfg_init_mem(addr, addr + 4); 204 fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, ms->smp.cpus); 205 fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, HPPA_MAX_CPUS); 206 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, ms->ram_size); 207 208 val = cpu_to_le64(MIN_SEABIOS_HPPA_VERSION); 209 fw_cfg_add_file(fw_cfg, "/etc/firmware-min-version", 210 g_memdup(&val, sizeof(val)), sizeof(val)); 211 212 val = cpu_to_le64(HPPA_TLB_ENTRIES - btlb_entries); 213 fw_cfg_add_file(fw_cfg, "/etc/cpu/tlb_entries", 214 g_memdup(&val, sizeof(val)), sizeof(val)); 215 216 val = cpu_to_le64(btlb_entries); 217 fw_cfg_add_file(fw_cfg, "/etc/cpu/btlb_entries", 218 g_memdup(&val, sizeof(val)), sizeof(val)); 219 220 len = strlen(mc->name) + 1; 221 fw_cfg_add_file(fw_cfg, "/etc/hppa/machine", 222 g_memdup(mc->name, len), len); 223 224 val = cpu_to_le64(HPA_POWER_BUTTON); 225 fw_cfg_add_file(fw_cfg, "/etc/hppa/power-button-addr", 226 g_memdup(&val, sizeof(val)), sizeof(val)); 227 228 val = cpu_to_le64(CPU_HPA + 16); 229 fw_cfg_add_file(fw_cfg, "/etc/hppa/rtc-addr", 230 g_memdup(&val, sizeof(val)), sizeof(val)); 231 232 val = cpu_to_le64(CPU_HPA + 24); 233 fw_cfg_add_file(fw_cfg, "/etc/hppa/DebugOutputPort", 234 g_memdup(&val, sizeof(val)), sizeof(val)); 235 236 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ms->boot_config.order[0]); 237 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); 238 239 fw_cfg_add_file(fw_cfg, "/etc/qemu-version", 240 g_memdup(qemu_version, sizeof(qemu_version)), 241 sizeof(qemu_version)); 242 243 fw_cfg_add_extra_pci_roots(pci_bus, fw_cfg); 244 245 return fw_cfg; 246 } 247 248 static LasiState *lasi_init(void) 249 { 250 DeviceState *dev; 251 252 dev = qdev_new(TYPE_LASI_CHIP); 253 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 254 255 return LASI_CHIP(dev); 256 } 257 258 static DinoState *dino_init(MemoryRegion *addr_space) 259 { 260 DeviceState *dev; 261 262 dev = qdev_new(TYPE_DINO_PCI_HOST_BRIDGE); 263 object_property_set_link(OBJECT(dev), "memory-as", OBJECT(addr_space), 264 &error_fatal); 265 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 266 267 return DINO_PCI_HOST_BRIDGE(dev); 268 } 269 270 /* 271 * Step 1: Create CPUs and Memory 272 */ 273 static TranslateFn *machine_HP_common_init_cpus(MachineState *machine) 274 { 275 MemoryRegion *addr_space = get_system_memory(); 276 unsigned int smp_cpus = machine->smp.cpus; 277 TranslateFn *translate; 278 MemoryRegion *cpu_region; 279 280 /* Create CPUs. */ 281 for (unsigned int i = 0; i < smp_cpus; i++) { 282 cpu[i] = HPPA_CPU(cpu_create(machine->cpu_type)); 283 } 284 285 /* 286 * For now, treat address layout as if PSW_W is clear. 287 * TODO: create a proper hppa64 board model and load elf64 firmware. 288 */ 289 if (hppa_is_pa20(&cpu[0]->env)) { 290 translate = translate_pa20; 291 } else { 292 translate = translate_pa10; 293 } 294 295 for (unsigned int i = 0; i < smp_cpus; i++) { 296 g_autofree char *name = g_strdup_printf("cpu%u-io-eir", i); 297 298 cpu_region = g_new(MemoryRegion, 1); 299 memory_region_init_io(cpu_region, OBJECT(cpu[i]), &hppa_io_eir_ops, 300 cpu[i], name, 4); 301 memory_region_add_subregion(addr_space, 302 translate(NULL, CPU_HPA + i * 0x1000), 303 cpu_region); 304 } 305 306 /* RTC and DebugOutputPort on CPU #0 */ 307 cpu_region = g_new(MemoryRegion, 1); 308 memory_region_init_io(cpu_region, OBJECT(cpu[0]), &hppa_io_helper_ops, 309 cpu[0], "cpu0-io-rtc", 2 * sizeof(uint64_t)); 310 memory_region_add_subregion(addr_space, translate(NULL, CPU_HPA + 16), 311 cpu_region); 312 313 /* Main memory region. */ 314 if (machine->ram_size > 3 * GiB) { 315 error_report("RAM size is currently restricted to 3GB"); 316 exit(EXIT_FAILURE); 317 } 318 memory_region_add_subregion_overlap(addr_space, 0, machine->ram, -1); 319 320 return translate; 321 } 322 323 /* 324 * Last creation step: Add SCSI discs, NICs, graphics & load firmware 325 */ 326 static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus, 327 TranslateFn *translate) 328 { 329 const char *kernel_filename = machine->kernel_filename; 330 const char *kernel_cmdline = machine->kernel_cmdline; 331 const char *initrd_filename = machine->initrd_filename; 332 MachineClass *mc = MACHINE_GET_CLASS(machine); 333 DeviceState *dev; 334 PCIDevice *pci_dev; 335 char *firmware_filename; 336 uint64_t firmware_low, firmware_high; 337 long size; 338 uint64_t kernel_entry = 0, kernel_low, kernel_high; 339 MemoryRegion *addr_space = get_system_memory(); 340 MemoryRegion *rom_region; 341 long i; 342 unsigned int smp_cpus = machine->smp.cpus; 343 SysBusDevice *s; 344 345 /* SCSI disk setup. */ 346 dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a")); 347 lsi53c8xx_handle_legacy_cmdline(dev); 348 349 /* Graphics setup. */ 350 if (machine->enable_graphics && vga_interface_type != VGA_NONE) { 351 vga_interface_created = true; 352 dev = qdev_new("artist"); 353 s = SYS_BUS_DEVICE(dev); 354 sysbus_realize_and_unref(s, &error_fatal); 355 sysbus_mmio_map(s, 0, translate(NULL, LASI_GFX_HPA)); 356 sysbus_mmio_map(s, 1, translate(NULL, ARTIST_FB_ADDR)); 357 } 358 359 /* Network setup. */ 360 if (enable_lasi_lan()) { 361 lasi_82596_init(addr_space, translate(NULL, LASI_LAN_HPA), 362 qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA)); 363 } 364 365 for (i = 0; i < nb_nics; i++) { 366 if (!enable_lasi_lan()) { 367 pci_nic_init_nofail(&nd_table[i], pci_bus, mc->default_nic, NULL); 368 } 369 } 370 371 /* BMC board: HP Powerbar SP2 Diva (with console only) */ 372 pci_dev = pci_new(-1, "pci-serial"); 373 if (!lasi_dev) { 374 /* bind default keyboard/serial to Diva card */ 375 qdev_prop_set_chr(DEVICE(pci_dev), "chardev", serial_hd(0)); 376 } 377 qdev_prop_set_uint8(DEVICE(pci_dev), "prog_if", 0); 378 pci_realize_and_unref(pci_dev, pci_bus, &error_fatal); 379 pci_config_set_vendor_id(pci_dev->config, PCI_VENDOR_ID_HP); 380 pci_config_set_device_id(pci_dev->config, 0x1048); 381 pci_set_word(&pci_dev->config[PCI_SUBSYSTEM_VENDOR_ID], PCI_VENDOR_ID_HP); 382 pci_set_word(&pci_dev->config[PCI_SUBSYSTEM_ID], 0x1227); /* Powerbar */ 383 384 /* create a second serial PCI card when running Astro */ 385 if (!lasi_dev) { 386 pci_dev = pci_new(-1, "pci-serial-4x"); 387 qdev_prop_set_chr(DEVICE(pci_dev), "chardev1", serial_hd(1)); 388 qdev_prop_set_chr(DEVICE(pci_dev), "chardev2", serial_hd(2)); 389 qdev_prop_set_chr(DEVICE(pci_dev), "chardev3", serial_hd(3)); 390 qdev_prop_set_chr(DEVICE(pci_dev), "chardev4", serial_hd(4)); 391 pci_realize_and_unref(pci_dev, pci_bus, &error_fatal); 392 } 393 394 /* create USB OHCI controller for USB keyboard & mouse on Astro machines */ 395 if (!lasi_dev && machine->enable_graphics) { 396 pci_create_simple(pci_bus, -1, "pci-ohci"); 397 usb_create_simple(usb_bus_find(-1), "usb-kbd"); 398 usb_create_simple(usb_bus_find(-1), "usb-mouse"); 399 } 400 401 /* register power switch emulation */ 402 qemu_register_powerdown_notifier(&hppa_system_powerdown_notifier); 403 404 /* fw_cfg configuration interface */ 405 create_fw_cfg(machine, pci_bus, translate(NULL, FW_CFG_IO_BASE)); 406 407 /* Load firmware. Given that this is not "real" firmware, 408 but one explicitly written for the emulation, we might as 409 well load it directly from an ELF image. */ 410 firmware_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, 411 machine->firmware ?: "hppa-firmware.img"); 412 if (firmware_filename == NULL) { 413 error_report("no firmware provided"); 414 exit(1); 415 } 416 417 size = load_elf(firmware_filename, NULL, translate, NULL, 418 &firmware_entry, &firmware_low, &firmware_high, NULL, 419 true, EM_PARISC, 0, 0); 420 421 if (size < 0) { 422 error_report("could not load firmware '%s'", firmware_filename); 423 exit(1); 424 } 425 qemu_log_mask(CPU_LOG_PAGE, "Firmware loaded at 0x%08" PRIx64 426 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64 ".\n", 427 firmware_low, firmware_high, firmware_entry); 428 if (firmware_low < translate(NULL, FIRMWARE_START) || 429 firmware_high >= translate(NULL, FIRMWARE_END)) { 430 error_report("Firmware overlaps with memory or IO space"); 431 exit(1); 432 } 433 g_free(firmware_filename); 434 435 rom_region = g_new(MemoryRegion, 1); 436 memory_region_init_ram(rom_region, NULL, "firmware", 437 (FIRMWARE_END - FIRMWARE_START), &error_fatal); 438 memory_region_add_subregion(addr_space, 439 translate(NULL, FIRMWARE_START), rom_region); 440 441 /* Load kernel */ 442 if (kernel_filename) { 443 size = load_elf(kernel_filename, NULL, linux_kernel_virt_to_phys, 444 NULL, &kernel_entry, &kernel_low, &kernel_high, NULL, 445 true, EM_PARISC, 0, 0); 446 447 kernel_entry = linux_kernel_virt_to_phys(NULL, kernel_entry); 448 449 if (size < 0) { 450 error_report("could not load kernel '%s'", kernel_filename); 451 exit(1); 452 } 453 qemu_log_mask(CPU_LOG_PAGE, "Kernel loaded at 0x%08" PRIx64 454 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64 455 ", size %" PRIu64 " kB\n", 456 kernel_low, kernel_high, kernel_entry, size / KiB); 457 458 if (kernel_cmdline) { 459 cpu[0]->env.gr[24] = 0x4000; 460 pstrcpy_targphys("cmdline", cpu[0]->env.gr[24], 461 TARGET_PAGE_SIZE, kernel_cmdline); 462 } 463 464 if (initrd_filename) { 465 ram_addr_t initrd_base; 466 int64_t initrd_size; 467 468 initrd_size = get_image_size(initrd_filename); 469 if (initrd_size < 0) { 470 error_report("could not load initial ram disk '%s'", 471 initrd_filename); 472 exit(1); 473 } 474 475 /* Load the initrd image high in memory. 476 Mirror the algorithm used by palo: 477 (1) Due to sign-extension problems and PDC, 478 put the initrd no higher than 1G. 479 (2) Reserve 64k for stack. */ 480 initrd_base = MIN(machine->ram_size, 1 * GiB); 481 initrd_base = initrd_base - 64 * KiB; 482 initrd_base = (initrd_base - initrd_size) & TARGET_PAGE_MASK; 483 484 if (initrd_base < kernel_high) { 485 error_report("kernel and initial ram disk too large!"); 486 exit(1); 487 } 488 489 load_image_targphys(initrd_filename, initrd_base, initrd_size); 490 cpu[0]->env.gr[23] = initrd_base; 491 cpu[0]->env.gr[22] = initrd_base + initrd_size; 492 } 493 } 494 495 if (!kernel_entry) { 496 /* When booting via firmware, tell firmware if we want interactive 497 * mode (kernel_entry=1), and to boot from CD (gr[24]='d') 498 * or hard disc * (gr[24]='c'). 499 */ 500 kernel_entry = machine->boot_config.has_menu ? machine->boot_config.menu : 0; 501 cpu[0]->env.gr[24] = machine->boot_config.order[0]; 502 } 503 504 /* We jump to the firmware entry routine and pass the 505 * various parameters in registers. After firmware initialization, 506 * firmware will start the Linux kernel with ramdisk and cmdline. 507 */ 508 cpu[0]->env.gr[26] = machine->ram_size; 509 cpu[0]->env.gr[25] = kernel_entry; 510 511 /* tell firmware how many SMP CPUs to present in inventory table */ 512 cpu[0]->env.gr[21] = smp_cpus; 513 514 /* tell firmware fw_cfg port */ 515 cpu[0]->env.gr[19] = FW_CFG_IO_BASE; 516 } 517 518 /* 519 * Create HP B160L workstation 520 */ 521 static void machine_HP_B160L_init(MachineState *machine) 522 { 523 DeviceState *dev, *dino_dev; 524 MemoryRegion *addr_space = get_system_memory(); 525 TranslateFn *translate; 526 ISABus *isa_bus; 527 PCIBus *pci_bus; 528 529 /* Create CPUs and RAM. */ 530 translate = machine_HP_common_init_cpus(machine); 531 532 if (hppa_is_pa20(&cpu[0]->env)) { 533 error_report("The HP B160L workstation requires a 32-bit " 534 "CPU. Use '-machine C3700' instead."); 535 exit(1); 536 } 537 538 /* Init Lasi chip */ 539 lasi_dev = DEVICE(lasi_init()); 540 memory_region_add_subregion(addr_space, translate(NULL, LASI_HPA), 541 sysbus_mmio_get_region( 542 SYS_BUS_DEVICE(lasi_dev), 0)); 543 544 /* Init Dino (PCI host bus chip). */ 545 dino_dev = DEVICE(dino_init(addr_space)); 546 memory_region_add_subregion(addr_space, translate(NULL, DINO_HPA), 547 sysbus_mmio_get_region( 548 SYS_BUS_DEVICE(dino_dev), 0)); 549 pci_bus = PCI_BUS(qdev_get_child_bus(dino_dev, "pci")); 550 assert(pci_bus); 551 552 /* Create ISA bus, needed for PS/2 kbd/mouse port emulation */ 553 isa_bus = hppa_isa_bus(translate(NULL, IDE_HPA)); 554 assert(isa_bus); 555 556 /* Serial ports: Lasi and Dino use a 7.272727 MHz clock. */ 557 serial_mm_init(addr_space, translate(NULL, LASI_UART_HPA + 0x800), 0, 558 qdev_get_gpio_in(lasi_dev, LASI_IRQ_UART_HPA), 7272727 / 16, 559 serial_hd(0), DEVICE_BIG_ENDIAN); 560 561 serial_mm_init(addr_space, translate(NULL, DINO_UART_HPA + 0x800), 0, 562 qdev_get_gpio_in(dino_dev, DINO_IRQ_RS232INT), 7272727 / 16, 563 serial_hd(1), DEVICE_BIG_ENDIAN); 564 565 /* Parallel port */ 566 parallel_mm_init(addr_space, translate(NULL, LASI_LPT_HPA + 0x800), 0, 567 qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA), 568 parallel_hds[0]); 569 570 /* PS/2 Keyboard/Mouse */ 571 dev = qdev_new(TYPE_LASIPS2); 572 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 573 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, 574 qdev_get_gpio_in(lasi_dev, LASI_IRQ_PS2KBD_HPA)); 575 memory_region_add_subregion(addr_space, 576 translate(NULL, LASI_PS2KBD_HPA), 577 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 578 0)); 579 memory_region_add_subregion(addr_space, 580 translate(NULL, LASI_PS2KBD_HPA + 0x100), 581 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 582 1)); 583 584 /* Add SCSI discs, NICs, graphics & load firmware */ 585 machine_HP_common_init_tail(machine, pci_bus, translate); 586 } 587 588 static AstroState *astro_init(void) 589 { 590 DeviceState *dev; 591 592 dev = qdev_new(TYPE_ASTRO_CHIP); 593 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 594 595 return ASTRO_CHIP(dev); 596 } 597 598 /* 599 * Create HP C3700 workstation 600 */ 601 static void machine_HP_C3700_init(MachineState *machine) 602 { 603 PCIBus *pci_bus; 604 AstroState *astro; 605 DeviceState *astro_dev; 606 MemoryRegion *addr_space = get_system_memory(); 607 TranslateFn *translate; 608 609 /* Create CPUs and RAM. */ 610 translate = machine_HP_common_init_cpus(machine); 611 612 if (!hppa_is_pa20(&cpu[0]->env)) { 613 error_report("The HP C3000 workstation requires a 64-bit CPU. " 614 "Use '-machine B160L' instead."); 615 exit(1); 616 } 617 618 /* Init Astro and the Elroys (PCI host bus chips). */ 619 astro = astro_init(); 620 astro_dev = DEVICE(astro); 621 memory_region_add_subregion(addr_space, translate(NULL, ASTRO_HPA), 622 sysbus_mmio_get_region( 623 SYS_BUS_DEVICE(astro_dev), 0)); 624 pci_bus = PCI_BUS(qdev_get_child_bus(DEVICE(astro->elroy[0]), "pci")); 625 assert(pci_bus); 626 627 /* Add SCSI discs, NICs, graphics & load firmware */ 628 machine_HP_common_init_tail(machine, pci_bus, translate); 629 } 630 631 static void hppa_machine_reset(MachineState *ms, ShutdownCause reason) 632 { 633 unsigned int smp_cpus = ms->smp.cpus; 634 int i; 635 636 qemu_devices_reset(reason); 637 638 /* Start all CPUs at the firmware entry point. 639 * Monarch CPU will initialize firmware, secondary CPUs 640 * will enter a small idle loop and wait for rendevouz. */ 641 for (i = 0; i < smp_cpus; i++) { 642 CPUState *cs = CPU(cpu[i]); 643 644 cpu_set_pc(cs, firmware_entry); 645 cpu[i]->env.psw = PSW_Q; 646 cpu[i]->env.gr[5] = CPU_HPA + i * 0x1000; 647 648 cs->exception_index = -1; 649 cs->halted = 0; 650 } 651 652 /* already initialized by machine_hppa_init()? */ 653 if (cpu[0]->env.gr[26] == ms->ram_size) { 654 return; 655 } 656 657 cpu[0]->env.gr[26] = ms->ram_size; 658 cpu[0]->env.gr[25] = 0; /* no firmware boot menu */ 659 cpu[0]->env.gr[24] = 'c'; 660 /* gr22/gr23 unused, no initrd while reboot. */ 661 cpu[0]->env.gr[21] = smp_cpus; 662 /* tell firmware fw_cfg port */ 663 cpu[0]->env.gr[19] = FW_CFG_IO_BASE; 664 } 665 666 static void hppa_nmi(NMIState *n, int cpu_index, Error **errp) 667 { 668 CPUState *cs; 669 670 CPU_FOREACH(cs) { 671 cpu_interrupt(cs, CPU_INTERRUPT_NMI); 672 } 673 } 674 675 static const char *HP_B160L_machine_valid_cpu_types[] = { 676 TYPE_HPPA_CPU, 677 NULL 678 }; 679 680 static void HP_B160L_machine_init_class_init(ObjectClass *oc, void *data) 681 { 682 MachineClass *mc = MACHINE_CLASS(oc); 683 NMIClass *nc = NMI_CLASS(oc); 684 685 mc->desc = "HP B160L workstation"; 686 mc->default_cpu_type = TYPE_HPPA_CPU; 687 mc->valid_cpu_types = HP_B160L_machine_valid_cpu_types; 688 mc->init = machine_HP_B160L_init; 689 mc->reset = hppa_machine_reset; 690 mc->block_default_type = IF_SCSI; 691 mc->max_cpus = HPPA_MAX_CPUS; 692 mc->default_cpus = 1; 693 mc->is_default = true; 694 mc->default_ram_size = 512 * MiB; 695 mc->default_boot_order = "cd"; 696 mc->default_ram_id = "ram"; 697 mc->default_nic = "tulip"; 698 699 nc->nmi_monitor_handler = hppa_nmi; 700 } 701 702 static const TypeInfo HP_B160L_machine_init_typeinfo = { 703 .name = MACHINE_TYPE_NAME("B160L"), 704 .parent = TYPE_MACHINE, 705 .class_init = HP_B160L_machine_init_class_init, 706 .interfaces = (InterfaceInfo[]) { 707 { TYPE_NMI }, 708 { } 709 }, 710 }; 711 712 static const char *HP_C3700_machine_valid_cpu_types[] = { 713 TYPE_HPPA64_CPU, 714 NULL 715 }; 716 717 static void HP_C3700_machine_init_class_init(ObjectClass *oc, void *data) 718 { 719 MachineClass *mc = MACHINE_CLASS(oc); 720 NMIClass *nc = NMI_CLASS(oc); 721 722 mc->desc = "HP C3700 workstation"; 723 mc->default_cpu_type = TYPE_HPPA64_CPU; 724 mc->valid_cpu_types = HP_C3700_machine_valid_cpu_types; 725 mc->init = machine_HP_C3700_init; 726 mc->reset = hppa_machine_reset; 727 mc->block_default_type = IF_SCSI; 728 mc->max_cpus = HPPA_MAX_CPUS; 729 mc->default_cpus = 1; 730 mc->is_default = false; 731 mc->default_ram_size = 1024 * MiB; 732 mc->default_boot_order = "cd"; 733 mc->default_ram_id = "ram"; 734 mc->default_nic = "tulip"; 735 736 nc->nmi_monitor_handler = hppa_nmi; 737 } 738 739 static const TypeInfo HP_C3700_machine_init_typeinfo = { 740 .name = MACHINE_TYPE_NAME("C3700"), 741 .parent = TYPE_MACHINE, 742 .class_init = HP_C3700_machine_init_class_init, 743 .interfaces = (InterfaceInfo[]) { 744 { TYPE_NMI }, 745 { } 746 }, 747 }; 748 749 static void hppa_machine_init_register_types(void) 750 { 751 type_register_static(&HP_B160L_machine_init_typeinfo); 752 type_register_static(&HP_C3700_machine_init_typeinfo); 753 } 754 755 type_init(hppa_machine_init_register_types) 756