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 12 /* require at least this fw version */ 38 39 #define HPA_POWER_BUTTON (FIRMWARE_END - 0x10) 40 static hwaddr soft_power_reg; 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 uint32_t val; 49 50 val = ldl_be_phys(&address_space_memory, soft_power_reg); 51 if ((val >> 8) == 0) { 52 /* immediately shut down when under hardware control */ 53 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); 54 return; 55 } 56 57 /* clear bit 31 to indicate that the power switch was pressed. */ 58 val &= ~1; 59 stl_be_phys(&address_space_memory, soft_power_reg, val); 60 } 61 62 static Notifier hppa_system_powerdown_notifier = { 63 .notify = hppa_powerdown_req 64 }; 65 66 /* Fallback for unassigned PCI I/O operations. Avoids MCHK. */ 67 static uint64_t ignore_read(void *opaque, hwaddr addr, unsigned size) 68 { 69 return 0; 70 } 71 72 static void ignore_write(void *opaque, hwaddr addr, uint64_t v, unsigned size) 73 { 74 } 75 76 static const MemoryRegionOps hppa_pci_ignore_ops = { 77 .read = ignore_read, 78 .write = ignore_write, 79 .endianness = DEVICE_BIG_ENDIAN, 80 .valid = { 81 .min_access_size = 1, 82 .max_access_size = 8, 83 }, 84 .impl = { 85 .min_access_size = 1, 86 .max_access_size = 8, 87 }, 88 }; 89 90 static ISABus *hppa_isa_bus(hwaddr addr) 91 { 92 ISABus *isa_bus; 93 qemu_irq *isa_irqs; 94 MemoryRegion *isa_region; 95 96 isa_region = g_new(MemoryRegion, 1); 97 memory_region_init_io(isa_region, NULL, &hppa_pci_ignore_ops, 98 NULL, "isa-io", 0x800); 99 memory_region_add_subregion(get_system_memory(), addr, isa_region); 100 101 isa_bus = isa_bus_new(NULL, get_system_memory(), isa_region, 102 &error_abort); 103 isa_irqs = i8259_init(isa_bus, NULL); 104 isa_bus_register_input_irqs(isa_bus, isa_irqs); 105 106 return isa_bus; 107 } 108 109 /* 110 * Helper functions to emulate RTC clock and DebugOutputPort 111 */ 112 static time_t rtc_ref; 113 114 static uint64_t io_cpu_read(void *opaque, hwaddr addr, unsigned size) 115 { 116 uint64_t val = 0; 117 118 switch (addr) { 119 case 0: /* RTC clock */ 120 val = time(NULL); 121 val += rtc_ref; 122 break; 123 case 8: /* DebugOutputPort */ 124 return 0xe9; /* readback */ 125 } 126 return val; 127 } 128 129 static void io_cpu_write(void *opaque, hwaddr addr, 130 uint64_t val, unsigned size) 131 { 132 unsigned char ch; 133 Chardev *debugout; 134 135 switch (addr) { 136 case 0: /* RTC clock */ 137 rtc_ref = val - time(NULL); 138 break; 139 case 8: /* DebugOutputPort */ 140 ch = val; 141 debugout = serial_hd(0); 142 if (debugout) { 143 qemu_chr_fe_write_all(debugout->be, &ch, 1); 144 } else { 145 fprintf(stderr, "%c", ch); 146 } 147 break; 148 } 149 } 150 151 static const MemoryRegionOps hppa_io_helper_ops = { 152 .read = io_cpu_read, 153 .write = io_cpu_write, 154 .endianness = DEVICE_BIG_ENDIAN, 155 .valid = { 156 .min_access_size = 1, 157 .max_access_size = 8, 158 }, 159 .impl = { 160 .min_access_size = 1, 161 .max_access_size = 8, 162 }, 163 }; 164 165 typedef uint64_t TranslateFn(void *opaque, uint64_t addr); 166 167 static uint64_t linux_kernel_virt_to_phys(void *opaque, uint64_t addr) 168 { 169 addr &= (0x10000000 - 1); 170 return addr; 171 } 172 173 static uint64_t translate_pa10(void *dummy, uint64_t addr) 174 { 175 return (uint32_t)addr; 176 } 177 178 static uint64_t translate_pa20(void *dummy, uint64_t addr) 179 { 180 return hppa_abs_to_phys_pa2_w0(addr); 181 } 182 183 static HPPACPU *cpu[HPPA_MAX_CPUS]; 184 static uint64_t firmware_entry; 185 186 static void fw_cfg_boot_set(void *opaque, const char *boot_device, 187 Error **errp) 188 { 189 fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]); 190 } 191 192 static FWCfgState *create_fw_cfg(MachineState *ms, PCIBus *pci_bus, 193 hwaddr addr) 194 { 195 FWCfgState *fw_cfg; 196 uint64_t val; 197 const char qemu_version[] = QEMU_VERSION; 198 MachineClass *mc = MACHINE_GET_CLASS(ms); 199 int btlb_entries = HPPA_BTLB_ENTRIES(&cpu[0]->env); 200 int len; 201 202 fw_cfg = fw_cfg_init_mem(addr, addr + 4); 203 fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, ms->smp.cpus); 204 fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, HPPA_MAX_CPUS); 205 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, ms->ram_size); 206 207 val = cpu_to_le64(MIN_SEABIOS_HPPA_VERSION); 208 fw_cfg_add_file(fw_cfg, "/etc/firmware-min-version", 209 g_memdup(&val, sizeof(val)), sizeof(val)); 210 211 val = cpu_to_le64(HPPA_TLB_ENTRIES - btlb_entries); 212 fw_cfg_add_file(fw_cfg, "/etc/cpu/tlb_entries", 213 g_memdup(&val, sizeof(val)), sizeof(val)); 214 215 val = cpu_to_le64(btlb_entries); 216 fw_cfg_add_file(fw_cfg, "/etc/cpu/btlb_entries", 217 g_memdup(&val, sizeof(val)), sizeof(val)); 218 219 len = strlen(mc->name) + 1; 220 fw_cfg_add_file(fw_cfg, "/etc/hppa/machine", 221 g_memdup(mc->name, len), len); 222 223 val = cpu_to_le64(soft_power_reg); 224 fw_cfg_add_file(fw_cfg, "/etc/hppa/power-button-addr", 225 g_memdup(&val, sizeof(val)), sizeof(val)); 226 227 val = cpu_to_le64(CPU_HPA + 16); 228 fw_cfg_add_file(fw_cfg, "/etc/hppa/rtc-addr", 229 g_memdup(&val, sizeof(val)), sizeof(val)); 230 231 val = cpu_to_le64(CPU_HPA + 24); 232 fw_cfg_add_file(fw_cfg, "/etc/hppa/DebugOutputPort", 233 g_memdup(&val, sizeof(val)), sizeof(val)); 234 235 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ms->boot_config.order[0]); 236 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); 237 238 fw_cfg_add_file(fw_cfg, "/etc/qemu-version", 239 g_memdup(qemu_version, sizeof(qemu_version)), 240 sizeof(qemu_version)); 241 242 fw_cfg_add_extra_pci_roots(pci_bus, fw_cfg); 243 244 return fw_cfg; 245 } 246 247 static LasiState *lasi_init(void) 248 { 249 DeviceState *dev; 250 251 dev = qdev_new(TYPE_LASI_CHIP); 252 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 253 254 return LASI_CHIP(dev); 255 } 256 257 static DinoState *dino_init(MemoryRegion *addr_space) 258 { 259 DeviceState *dev; 260 261 dev = qdev_new(TYPE_DINO_PCI_HOST_BRIDGE); 262 object_property_set_link(OBJECT(dev), "memory-as", OBJECT(addr_space), 263 &error_fatal); 264 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 265 266 return DINO_PCI_HOST_BRIDGE(dev); 267 } 268 269 /* 270 * Step 1: Create CPUs and Memory 271 */ 272 static TranslateFn *machine_HP_common_init_cpus(MachineState *machine) 273 { 274 MemoryRegion *addr_space = get_system_memory(); 275 unsigned int smp_cpus = machine->smp.cpus; 276 TranslateFn *translate; 277 MemoryRegion *cpu_region; 278 uint64_t ram_max; 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 ram_max = 0xf0000000; /* 3.75 GB (limited by 32-bit firmware) */ 292 } else { 293 translate = translate_pa10; 294 ram_max = 0xf0000000; /* 3.75 GB (32-bit CPU) */ 295 } 296 297 soft_power_reg = translate(NULL, HPA_POWER_BUTTON); 298 299 for (unsigned int i = 0; i < smp_cpus; i++) { 300 g_autofree char *name = g_strdup_printf("cpu%u-io-eir", i); 301 302 cpu_region = g_new(MemoryRegion, 1); 303 memory_region_init_io(cpu_region, OBJECT(cpu[i]), &hppa_io_eir_ops, 304 cpu[i], name, 4); 305 memory_region_add_subregion(addr_space, 306 translate(NULL, CPU_HPA + i * 0x1000), 307 cpu_region); 308 } 309 310 /* RTC and DebugOutputPort on CPU #0 */ 311 cpu_region = g_new(MemoryRegion, 1); 312 memory_region_init_io(cpu_region, OBJECT(cpu[0]), &hppa_io_helper_ops, 313 cpu[0], "cpu0-io-rtc", 2 * sizeof(uint64_t)); 314 memory_region_add_subregion(addr_space, translate(NULL, CPU_HPA + 16), 315 cpu_region); 316 317 /* Main memory region. */ 318 if (machine->ram_size > ram_max) { 319 info_report("Max RAM size limited to %" PRIu64 " MB", ram_max / MiB); 320 machine->ram_size = ram_max; 321 } 322 memory_region_add_subregion_overlap(addr_space, 0, machine->ram, -1); 323 324 return translate; 325 } 326 327 /* 328 * Last creation step: Add SCSI discs, NICs, graphics & load firmware 329 */ 330 static void machine_HP_common_init_tail(MachineState *machine, PCIBus *pci_bus, 331 TranslateFn *translate) 332 { 333 const char *kernel_filename = machine->kernel_filename; 334 const char *kernel_cmdline = machine->kernel_cmdline; 335 const char *initrd_filename = machine->initrd_filename; 336 MachineClass *mc = MACHINE_GET_CLASS(machine); 337 DeviceState *dev; 338 PCIDevice *pci_dev; 339 char *firmware_filename; 340 uint64_t firmware_low, firmware_high; 341 long size; 342 uint64_t kernel_entry = 0, kernel_low, kernel_high; 343 MemoryRegion *addr_space = get_system_memory(); 344 MemoryRegion *rom_region; 345 unsigned int smp_cpus = machine->smp.cpus; 346 SysBusDevice *s; 347 348 /* SCSI disk setup. */ 349 if (drive_get_max_bus(IF_SCSI) >= 0) { 350 dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a")); 351 lsi53c8xx_handle_legacy_cmdline(dev); 352 } 353 354 /* Graphics setup. */ 355 if (machine->enable_graphics && vga_interface_type != VGA_NONE) { 356 vga_interface_created = true; 357 dev = qdev_new("artist"); 358 s = SYS_BUS_DEVICE(dev); 359 sysbus_realize_and_unref(s, &error_fatal); 360 sysbus_mmio_map(s, 0, translate(NULL, LASI_GFX_HPA)); 361 sysbus_mmio_map(s, 1, translate(NULL, ARTIST_FB_ADDR)); 362 } 363 364 /* Network setup. */ 365 if (nd_table[0].used && enable_lasi_lan()) { 366 lasi_82596_init(addr_space, translate(NULL, LASI_LAN_HPA), 367 qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA)); 368 } 369 370 if (!enable_lasi_lan()) { 371 pci_init_nic_devices(pci_bus, mc->default_nic); 372 } 373 374 /* BMC board: HP Powerbar SP2 Diva (with console only) */ 375 pci_dev = pci_new(-1, "pci-serial"); 376 if (!lasi_dev) { 377 /* bind default keyboard/serial to Diva card */ 378 qdev_prop_set_chr(DEVICE(pci_dev), "chardev", serial_hd(0)); 379 } 380 qdev_prop_set_uint8(DEVICE(pci_dev), "prog_if", 0); 381 pci_realize_and_unref(pci_dev, pci_bus, &error_fatal); 382 pci_config_set_vendor_id(pci_dev->config, PCI_VENDOR_ID_HP); 383 pci_config_set_device_id(pci_dev->config, 0x1048); 384 pci_set_word(&pci_dev->config[PCI_SUBSYSTEM_VENDOR_ID], PCI_VENDOR_ID_HP); 385 pci_set_word(&pci_dev->config[PCI_SUBSYSTEM_ID], 0x1227); /* Powerbar */ 386 387 /* create a second serial PCI card when running Astro */ 388 if (serial_hd(1) && !lasi_dev) { 389 pci_dev = pci_new(-1, "pci-serial-4x"); 390 qdev_prop_set_chr(DEVICE(pci_dev), "chardev1", serial_hd(1)); 391 qdev_prop_set_chr(DEVICE(pci_dev), "chardev2", serial_hd(2)); 392 qdev_prop_set_chr(DEVICE(pci_dev), "chardev3", serial_hd(3)); 393 qdev_prop_set_chr(DEVICE(pci_dev), "chardev4", serial_hd(4)); 394 pci_realize_and_unref(pci_dev, pci_bus, &error_fatal); 395 } 396 397 /* create USB OHCI controller for USB keyboard & mouse on Astro machines */ 398 if (!lasi_dev && machine->enable_graphics) { 399 pci_create_simple(pci_bus, -1, "pci-ohci"); 400 usb_create_simple(usb_bus_find(-1), "usb-kbd"); 401 usb_create_simple(usb_bus_find(-1), "usb-mouse"); 402 } 403 404 /* register power switch emulation */ 405 qemu_register_powerdown_notifier(&hppa_system_powerdown_notifier); 406 407 /* fw_cfg configuration interface */ 408 create_fw_cfg(machine, pci_bus, translate(NULL, FW_CFG_IO_BASE)); 409 410 /* Load firmware. Given that this is not "real" firmware, 411 but one explicitly written for the emulation, we might as 412 well load it directly from an ELF image. */ 413 firmware_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, 414 machine->firmware ?: "hppa-firmware.img"); 415 if (firmware_filename == NULL) { 416 error_report("no firmware provided"); 417 exit(1); 418 } 419 420 size = load_elf(firmware_filename, NULL, translate, NULL, 421 &firmware_entry, &firmware_low, &firmware_high, NULL, 422 true, EM_PARISC, 0, 0); 423 424 if (size < 0) { 425 error_report("could not load firmware '%s'", firmware_filename); 426 exit(1); 427 } 428 qemu_log_mask(CPU_LOG_PAGE, "Firmware loaded at 0x%08" PRIx64 429 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64 ".\n", 430 firmware_low, firmware_high, firmware_entry); 431 if (firmware_low < translate(NULL, FIRMWARE_START) || 432 firmware_high >= translate(NULL, FIRMWARE_END)) { 433 error_report("Firmware overlaps with memory or IO space"); 434 exit(1); 435 } 436 g_free(firmware_filename); 437 438 rom_region = g_new(MemoryRegion, 1); 439 memory_region_init_ram(rom_region, NULL, "firmware", 440 (FIRMWARE_END - FIRMWARE_START), &error_fatal); 441 memory_region_add_subregion(addr_space, 442 translate(NULL, FIRMWARE_START), rom_region); 443 444 /* Load kernel */ 445 if (kernel_filename) { 446 size = load_elf(kernel_filename, NULL, linux_kernel_virt_to_phys, 447 NULL, &kernel_entry, &kernel_low, &kernel_high, NULL, 448 true, EM_PARISC, 0, 0); 449 450 kernel_entry = linux_kernel_virt_to_phys(NULL, kernel_entry); 451 452 if (size < 0) { 453 error_report("could not load kernel '%s'", kernel_filename); 454 exit(1); 455 } 456 qemu_log_mask(CPU_LOG_PAGE, "Kernel loaded at 0x%08" PRIx64 457 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64 458 ", size %" PRIu64 " kB\n", 459 kernel_low, kernel_high, kernel_entry, size / KiB); 460 461 if (kernel_cmdline) { 462 cpu[0]->env.gr[24] = 0x4000; 463 pstrcpy_targphys("cmdline", cpu[0]->env.gr[24], 464 TARGET_PAGE_SIZE, kernel_cmdline); 465 } 466 467 if (initrd_filename) { 468 ram_addr_t initrd_base; 469 int64_t initrd_size; 470 471 initrd_size = get_image_size(initrd_filename); 472 if (initrd_size < 0) { 473 error_report("could not load initial ram disk '%s'", 474 initrd_filename); 475 exit(1); 476 } 477 478 /* Load the initrd image high in memory. 479 Mirror the algorithm used by palo: 480 (1) Due to sign-extension problems and PDC, 481 put the initrd no higher than 1G. 482 (2) Reserve 64k for stack. */ 483 initrd_base = MIN(machine->ram_size, 1 * GiB); 484 initrd_base = initrd_base - 64 * KiB; 485 initrd_base = (initrd_base - initrd_size) & TARGET_PAGE_MASK; 486 487 if (initrd_base < kernel_high) { 488 error_report("kernel and initial ram disk too large!"); 489 exit(1); 490 } 491 492 load_image_targphys(initrd_filename, initrd_base, initrd_size); 493 cpu[0]->env.gr[23] = initrd_base; 494 cpu[0]->env.gr[22] = initrd_base + initrd_size; 495 } 496 } 497 498 if (!kernel_entry) { 499 /* When booting via firmware, tell firmware if we want interactive 500 * mode (kernel_entry=1), and to boot from CD (gr[24]='d') 501 * or hard disc * (gr[24]='c'). 502 */ 503 kernel_entry = machine->boot_config.has_menu ? machine->boot_config.menu : 0; 504 cpu[0]->env.gr[24] = machine->boot_config.order[0]; 505 } 506 507 /* We jump to the firmware entry routine and pass the 508 * various parameters in registers. After firmware initialization, 509 * firmware will start the Linux kernel with ramdisk and cmdline. 510 */ 511 cpu[0]->env.gr[26] = machine->ram_size; 512 cpu[0]->env.gr[25] = kernel_entry; 513 514 /* tell firmware how many SMP CPUs to present in inventory table */ 515 cpu[0]->env.gr[21] = smp_cpus; 516 517 /* tell firmware fw_cfg port */ 518 cpu[0]->env.gr[19] = FW_CFG_IO_BASE; 519 } 520 521 /* 522 * Create HP B160L workstation 523 */ 524 static void machine_HP_B160L_init(MachineState *machine) 525 { 526 DeviceState *dev, *dino_dev; 527 MemoryRegion *addr_space = get_system_memory(); 528 TranslateFn *translate; 529 ISABus *isa_bus; 530 PCIBus *pci_bus; 531 532 /* Create CPUs and RAM. */ 533 translate = machine_HP_common_init_cpus(machine); 534 535 if (hppa_is_pa20(&cpu[0]->env)) { 536 error_report("The HP B160L workstation requires a 32-bit " 537 "CPU. Use '-machine C3700' instead."); 538 exit(1); 539 } 540 541 /* Init Lasi chip */ 542 lasi_dev = DEVICE(lasi_init()); 543 memory_region_add_subregion(addr_space, translate(NULL, LASI_HPA), 544 sysbus_mmio_get_region( 545 SYS_BUS_DEVICE(lasi_dev), 0)); 546 547 /* Init Dino (PCI host bus chip). */ 548 dino_dev = DEVICE(dino_init(addr_space)); 549 memory_region_add_subregion(addr_space, translate(NULL, DINO_HPA), 550 sysbus_mmio_get_region( 551 SYS_BUS_DEVICE(dino_dev), 0)); 552 pci_bus = PCI_BUS(qdev_get_child_bus(dino_dev, "pci")); 553 assert(pci_bus); 554 555 /* Create ISA bus, needed for PS/2 kbd/mouse port emulation */ 556 isa_bus = hppa_isa_bus(translate(NULL, IDE_HPA)); 557 assert(isa_bus); 558 559 /* Serial ports: Lasi and Dino use a 7.272727 MHz clock. */ 560 serial_mm_init(addr_space, translate(NULL, LASI_UART_HPA + 0x800), 0, 561 qdev_get_gpio_in(lasi_dev, LASI_IRQ_UART_HPA), 7272727 / 16, 562 serial_hd(0), DEVICE_BIG_ENDIAN); 563 564 serial_mm_init(addr_space, translate(NULL, DINO_UART_HPA + 0x800), 0, 565 qdev_get_gpio_in(dino_dev, DINO_IRQ_RS232INT), 7272727 / 16, 566 serial_hd(1), DEVICE_BIG_ENDIAN); 567 568 /* Parallel port */ 569 parallel_mm_init(addr_space, translate(NULL, LASI_LPT_HPA + 0x800), 0, 570 qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA), 571 parallel_hds[0]); 572 573 /* PS/2 Keyboard/Mouse */ 574 dev = qdev_new(TYPE_LASIPS2); 575 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 576 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, 577 qdev_get_gpio_in(lasi_dev, LASI_IRQ_PS2KBD_HPA)); 578 memory_region_add_subregion(addr_space, 579 translate(NULL, LASI_PS2KBD_HPA), 580 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 581 0)); 582 memory_region_add_subregion(addr_space, 583 translate(NULL, LASI_PS2KBD_HPA + 0x100), 584 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 585 1)); 586 587 /* Add SCSI discs, NICs, graphics & load firmware */ 588 machine_HP_common_init_tail(machine, pci_bus, translate); 589 } 590 591 static AstroState *astro_init(void) 592 { 593 DeviceState *dev; 594 595 dev = qdev_new(TYPE_ASTRO_CHIP); 596 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 597 598 return ASTRO_CHIP(dev); 599 } 600 601 /* 602 * Create HP C3700 workstation 603 */ 604 static void machine_HP_C3700_init(MachineState *machine) 605 { 606 PCIBus *pci_bus; 607 AstroState *astro; 608 DeviceState *astro_dev; 609 MemoryRegion *addr_space = get_system_memory(); 610 TranslateFn *translate; 611 612 /* Create CPUs and RAM. */ 613 translate = machine_HP_common_init_cpus(machine); 614 615 if (!hppa_is_pa20(&cpu[0]->env)) { 616 error_report("The HP C3000 workstation requires a 64-bit CPU. " 617 "Use '-machine B160L' instead."); 618 exit(1); 619 } 620 621 /* Init Astro and the Elroys (PCI host bus chips). */ 622 astro = astro_init(); 623 astro_dev = DEVICE(astro); 624 memory_region_add_subregion(addr_space, translate(NULL, ASTRO_HPA), 625 sysbus_mmio_get_region( 626 SYS_BUS_DEVICE(astro_dev), 0)); 627 pci_bus = PCI_BUS(qdev_get_child_bus(DEVICE(astro->elroy[0]), "pci")); 628 assert(pci_bus); 629 630 /* Add SCSI discs, NICs, graphics & load firmware */ 631 machine_HP_common_init_tail(machine, pci_bus, translate); 632 } 633 634 static void hppa_machine_reset(MachineState *ms, ShutdownCause reason) 635 { 636 unsigned int smp_cpus = ms->smp.cpus; 637 int i; 638 639 qemu_devices_reset(reason); 640 641 /* Start all CPUs at the firmware entry point. 642 * Monarch CPU will initialize firmware, secondary CPUs 643 * will enter a small idle loop and wait for rendevouz. */ 644 for (i = 0; i < smp_cpus; i++) { 645 CPUState *cs = CPU(cpu[i]); 646 647 cpu_set_pc(cs, firmware_entry); 648 cpu[i]->env.psw = PSW_Q; 649 cpu[i]->env.gr[5] = CPU_HPA + i * 0x1000; 650 651 cs->exception_index = -1; 652 cs->halted = 0; 653 } 654 655 /* already initialized by machine_hppa_init()? */ 656 if (cpu[0]->env.gr[26] == ms->ram_size) { 657 return; 658 } 659 660 cpu[0]->env.gr[26] = ms->ram_size; 661 cpu[0]->env.gr[25] = 0; /* no firmware boot menu */ 662 cpu[0]->env.gr[24] = 'c'; 663 /* gr22/gr23 unused, no initrd while reboot. */ 664 cpu[0]->env.gr[21] = smp_cpus; 665 /* tell firmware fw_cfg port */ 666 cpu[0]->env.gr[19] = FW_CFG_IO_BASE; 667 } 668 669 static void hppa_nmi(NMIState *n, int cpu_index, Error **errp) 670 { 671 CPUState *cs; 672 673 CPU_FOREACH(cs) { 674 cpu_interrupt(cs, CPU_INTERRUPT_NMI); 675 } 676 } 677 678 static void HP_B160L_machine_init_class_init(ObjectClass *oc, void *data) 679 { 680 static const char * const valid_cpu_types[] = { 681 TYPE_HPPA_CPU, 682 NULL 683 }; 684 MachineClass *mc = MACHINE_CLASS(oc); 685 NMIClass *nc = NMI_CLASS(oc); 686 687 mc->desc = "HP B160L workstation"; 688 mc->default_cpu_type = TYPE_HPPA_CPU; 689 mc->valid_cpu_types = valid_cpu_types; 690 mc->init = machine_HP_B160L_init; 691 mc->reset = hppa_machine_reset; 692 mc->block_default_type = IF_SCSI; 693 mc->max_cpus = HPPA_MAX_CPUS; 694 mc->default_cpus = 1; 695 mc->is_default = true; 696 mc->default_ram_size = 512 * MiB; 697 mc->default_boot_order = "cd"; 698 mc->default_ram_id = "ram"; 699 mc->default_nic = "tulip"; 700 701 nc->nmi_monitor_handler = hppa_nmi; 702 } 703 704 static const TypeInfo HP_B160L_machine_init_typeinfo = { 705 .name = MACHINE_TYPE_NAME("B160L"), 706 .parent = TYPE_MACHINE, 707 .class_init = HP_B160L_machine_init_class_init, 708 .interfaces = (InterfaceInfo[]) { 709 { TYPE_NMI }, 710 { } 711 }, 712 }; 713 714 static void HP_C3700_machine_init_class_init(ObjectClass *oc, void *data) 715 { 716 static const char * const valid_cpu_types[] = { 717 TYPE_HPPA64_CPU, 718 NULL 719 }; 720 MachineClass *mc = MACHINE_CLASS(oc); 721 NMIClass *nc = NMI_CLASS(oc); 722 723 mc->desc = "HP C3700 workstation"; 724 mc->default_cpu_type = TYPE_HPPA64_CPU; 725 mc->valid_cpu_types = valid_cpu_types; 726 mc->init = machine_HP_C3700_init; 727 mc->reset = hppa_machine_reset; 728 mc->block_default_type = IF_SCSI; 729 mc->max_cpus = HPPA_MAX_CPUS; 730 mc->default_cpus = 1; 731 mc->is_default = false; 732 mc->default_ram_size = 1024 * MiB; 733 mc->default_boot_order = "cd"; 734 mc->default_ram_id = "ram"; 735 mc->default_nic = "tulip"; 736 737 nc->nmi_monitor_handler = hppa_nmi; 738 } 739 740 static const TypeInfo HP_C3700_machine_init_typeinfo = { 741 .name = MACHINE_TYPE_NAME("C3700"), 742 .parent = TYPE_MACHINE, 743 .class_init = HP_C3700_machine_init_class_init, 744 .interfaces = (InterfaceInfo[]) { 745 { TYPE_NMI }, 746 { } 747 }, 748 }; 749 750 static void hppa_machine_init_register_types(void) 751 { 752 type_register_static(&HP_B160L_machine_init_typeinfo); 753 type_register_static(&HP_C3700_machine_init_typeinfo); 754 } 755 756 type_init(hppa_machine_init_register_types) 757