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 (lasi_dev) { 366 lasi_82596_init(addr_space, translate(NULL, LASI_LAN_HPA), 367 qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA), 368 enable_lasi_lan()); 369 } 370 371 pci_init_nic_devices(pci_bus, mc->default_nic); 372 373 /* BMC board: HP Powerbar SP2 Diva (with console only) */ 374 pci_dev = pci_new(-1, "pci-serial"); 375 if (!lasi_dev) { 376 /* bind default keyboard/serial to Diva card */ 377 qdev_prop_set_chr(DEVICE(pci_dev), "chardev", serial_hd(0)); 378 } 379 qdev_prop_set_uint8(DEVICE(pci_dev), "prog_if", 0); 380 pci_realize_and_unref(pci_dev, pci_bus, &error_fatal); 381 pci_config_set_vendor_id(pci_dev->config, PCI_VENDOR_ID_HP); 382 pci_config_set_device_id(pci_dev->config, 0x1048); 383 pci_set_word(&pci_dev->config[PCI_SUBSYSTEM_VENDOR_ID], PCI_VENDOR_ID_HP); 384 pci_set_word(&pci_dev->config[PCI_SUBSYSTEM_ID], 0x1227); /* Powerbar */ 385 386 /* create a second serial PCI card when running Astro */ 387 if (serial_hd(1) && !lasi_dev) { 388 pci_dev = pci_new(-1, "pci-serial-4x"); 389 qdev_prop_set_chr(DEVICE(pci_dev), "chardev1", serial_hd(1)); 390 qdev_prop_set_chr(DEVICE(pci_dev), "chardev2", serial_hd(2)); 391 qdev_prop_set_chr(DEVICE(pci_dev), "chardev3", serial_hd(3)); 392 qdev_prop_set_chr(DEVICE(pci_dev), "chardev4", serial_hd(4)); 393 pci_realize_and_unref(pci_dev, pci_bus, &error_fatal); 394 } 395 396 /* create USB OHCI controller for USB keyboard & mouse on Astro machines */ 397 if (!lasi_dev && machine->enable_graphics) { 398 pci_create_simple(pci_bus, -1, "pci-ohci"); 399 usb_create_simple(usb_bus_find(-1), "usb-kbd"); 400 usb_create_simple(usb_bus_find(-1), "usb-mouse"); 401 } 402 403 /* register power switch emulation */ 404 qemu_register_powerdown_notifier(&hppa_system_powerdown_notifier); 405 406 /* fw_cfg configuration interface */ 407 create_fw_cfg(machine, pci_bus, translate(NULL, FW_CFG_IO_BASE)); 408 409 /* Load firmware. Given that this is not "real" firmware, 410 but one explicitly written for the emulation, we might as 411 well load it directly from an ELF image. */ 412 firmware_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, 413 machine->firmware ?: "hppa-firmware.img"); 414 if (firmware_filename == NULL) { 415 error_report("no firmware provided"); 416 exit(1); 417 } 418 419 size = load_elf(firmware_filename, NULL, translate, NULL, 420 &firmware_entry, &firmware_low, &firmware_high, NULL, 421 true, EM_PARISC, 0, 0); 422 423 if (size < 0) { 424 error_report("could not load firmware '%s'", firmware_filename); 425 exit(1); 426 } 427 qemu_log_mask(CPU_LOG_PAGE, "Firmware loaded at 0x%08" PRIx64 428 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64 ".\n", 429 firmware_low, firmware_high, firmware_entry); 430 if (firmware_low < translate(NULL, FIRMWARE_START) || 431 firmware_high >= translate(NULL, FIRMWARE_END)) { 432 error_report("Firmware overlaps with memory or IO space"); 433 exit(1); 434 } 435 g_free(firmware_filename); 436 437 rom_region = g_new(MemoryRegion, 1); 438 memory_region_init_ram(rom_region, NULL, "firmware", 439 (FIRMWARE_END - FIRMWARE_START), &error_fatal); 440 memory_region_add_subregion(addr_space, 441 translate(NULL, FIRMWARE_START), rom_region); 442 443 /* Load kernel */ 444 if (kernel_filename) { 445 size = load_elf(kernel_filename, NULL, linux_kernel_virt_to_phys, 446 NULL, &kernel_entry, &kernel_low, &kernel_high, NULL, 447 true, EM_PARISC, 0, 0); 448 449 kernel_entry = linux_kernel_virt_to_phys(NULL, kernel_entry); 450 451 if (size < 0) { 452 error_report("could not load kernel '%s'", kernel_filename); 453 exit(1); 454 } 455 qemu_log_mask(CPU_LOG_PAGE, "Kernel loaded at 0x%08" PRIx64 456 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64 457 ", size %" PRIu64 " kB\n", 458 kernel_low, kernel_high, kernel_entry, size / KiB); 459 460 if (kernel_cmdline) { 461 cpu[0]->env.gr[24] = 0x4000; 462 pstrcpy_targphys("cmdline", cpu[0]->env.gr[24], 463 TARGET_PAGE_SIZE, kernel_cmdline); 464 } 465 466 if (initrd_filename) { 467 ram_addr_t initrd_base; 468 int64_t initrd_size; 469 470 initrd_size = get_image_size(initrd_filename); 471 if (initrd_size < 0) { 472 error_report("could not load initial ram disk '%s'", 473 initrd_filename); 474 exit(1); 475 } 476 477 /* Load the initrd image high in memory. 478 Mirror the algorithm used by palo: 479 (1) Due to sign-extension problems and PDC, 480 put the initrd no higher than 1G. 481 (2) Reserve 64k for stack. */ 482 initrd_base = MIN(machine->ram_size, 1 * GiB); 483 initrd_base = initrd_base - 64 * KiB; 484 initrd_base = (initrd_base - initrd_size) & TARGET_PAGE_MASK; 485 486 if (initrd_base < kernel_high) { 487 error_report("kernel and initial ram disk too large!"); 488 exit(1); 489 } 490 491 load_image_targphys(initrd_filename, initrd_base, initrd_size); 492 cpu[0]->env.gr[23] = initrd_base; 493 cpu[0]->env.gr[22] = initrd_base + initrd_size; 494 } 495 } 496 497 if (!kernel_entry) { 498 /* When booting via firmware, tell firmware if we want interactive 499 * mode (kernel_entry=1), and to boot from CD (gr[24]='d') 500 * or hard disc * (gr[24]='c'). 501 */ 502 kernel_entry = machine->boot_config.has_menu ? machine->boot_config.menu : 0; 503 cpu[0]->env.gr[24] = machine->boot_config.order[0]; 504 } 505 506 /* We jump to the firmware entry routine and pass the 507 * various parameters in registers. After firmware initialization, 508 * firmware will start the Linux kernel with ramdisk and cmdline. 509 */ 510 cpu[0]->env.gr[26] = machine->ram_size; 511 cpu[0]->env.gr[25] = kernel_entry; 512 513 /* tell firmware how many SMP CPUs to present in inventory table */ 514 cpu[0]->env.gr[21] = smp_cpus; 515 516 /* tell firmware fw_cfg port */ 517 cpu[0]->env.gr[19] = FW_CFG_IO_BASE; 518 } 519 520 /* 521 * Create HP B160L workstation 522 */ 523 static void machine_HP_B160L_init(MachineState *machine) 524 { 525 DeviceState *dev, *dino_dev; 526 MemoryRegion *addr_space = get_system_memory(); 527 TranslateFn *translate; 528 ISABus *isa_bus; 529 PCIBus *pci_bus; 530 531 /* Create CPUs and RAM. */ 532 translate = machine_HP_common_init_cpus(machine); 533 534 if (hppa_is_pa20(&cpu[0]->env)) { 535 error_report("The HP B160L workstation requires a 32-bit " 536 "CPU. Use '-machine C3700' instead."); 537 exit(1); 538 } 539 540 /* Init Lasi chip */ 541 lasi_dev = DEVICE(lasi_init()); 542 memory_region_add_subregion(addr_space, translate(NULL, LASI_HPA), 543 sysbus_mmio_get_region( 544 SYS_BUS_DEVICE(lasi_dev), 0)); 545 546 /* Init Dino (PCI host bus chip). */ 547 dino_dev = DEVICE(dino_init(addr_space)); 548 memory_region_add_subregion(addr_space, translate(NULL, DINO_HPA), 549 sysbus_mmio_get_region( 550 SYS_BUS_DEVICE(dino_dev), 0)); 551 pci_bus = PCI_BUS(qdev_get_child_bus(dino_dev, "pci")); 552 assert(pci_bus); 553 554 /* Create ISA bus, needed for PS/2 kbd/mouse port emulation */ 555 isa_bus = hppa_isa_bus(translate(NULL, IDE_HPA)); 556 assert(isa_bus); 557 558 /* Serial ports: Lasi and Dino use a 7.272727 MHz clock. */ 559 serial_mm_init(addr_space, translate(NULL, LASI_UART_HPA + 0x800), 0, 560 qdev_get_gpio_in(lasi_dev, LASI_IRQ_UART_HPA), 7272727 / 16, 561 serial_hd(0), DEVICE_BIG_ENDIAN); 562 563 serial_mm_init(addr_space, translate(NULL, DINO_UART_HPA + 0x800), 0, 564 qdev_get_gpio_in(dino_dev, DINO_IRQ_RS232INT), 7272727 / 16, 565 serial_hd(1), DEVICE_BIG_ENDIAN); 566 567 /* Parallel port */ 568 parallel_mm_init(addr_space, translate(NULL, LASI_LPT_HPA + 0x800), 0, 569 qdev_get_gpio_in(lasi_dev, LASI_IRQ_LAN_HPA), 570 parallel_hds[0]); 571 572 /* PS/2 Keyboard/Mouse */ 573 dev = qdev_new(TYPE_LASIPS2); 574 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 575 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, 576 qdev_get_gpio_in(lasi_dev, LASI_IRQ_PS2KBD_HPA)); 577 memory_region_add_subregion(addr_space, 578 translate(NULL, LASI_PS2KBD_HPA), 579 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 580 0)); 581 memory_region_add_subregion(addr_space, 582 translate(NULL, LASI_PS2KBD_HPA + 0x100), 583 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 584 1)); 585 586 /* Add SCSI discs, NICs, graphics & load firmware */ 587 machine_HP_common_init_tail(machine, pci_bus, translate); 588 } 589 590 static AstroState *astro_init(void) 591 { 592 DeviceState *dev; 593 594 dev = qdev_new(TYPE_ASTRO_CHIP); 595 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 596 597 return ASTRO_CHIP(dev); 598 } 599 600 /* 601 * Create HP C3700 workstation 602 */ 603 static void machine_HP_C3700_init(MachineState *machine) 604 { 605 PCIBus *pci_bus; 606 AstroState *astro; 607 DeviceState *astro_dev; 608 MemoryRegion *addr_space = get_system_memory(); 609 TranslateFn *translate; 610 611 /* Create CPUs and RAM. */ 612 translate = machine_HP_common_init_cpus(machine); 613 614 if (!hppa_is_pa20(&cpu[0]->env)) { 615 error_report("The HP C3000 workstation requires a 64-bit CPU. " 616 "Use '-machine B160L' instead."); 617 exit(1); 618 } 619 620 /* Init Astro and the Elroys (PCI host bus chips). */ 621 astro = astro_init(); 622 astro_dev = DEVICE(astro); 623 memory_region_add_subregion(addr_space, translate(NULL, ASTRO_HPA), 624 sysbus_mmio_get_region( 625 SYS_BUS_DEVICE(astro_dev), 0)); 626 pci_bus = PCI_BUS(qdev_get_child_bus(DEVICE(astro->elroy[0]), "pci")); 627 assert(pci_bus); 628 629 /* Add SCSI discs, NICs, graphics & load firmware */ 630 machine_HP_common_init_tail(machine, pci_bus, translate); 631 } 632 633 static void hppa_machine_reset(MachineState *ms, ShutdownCause reason) 634 { 635 unsigned int smp_cpus = ms->smp.cpus; 636 int i; 637 638 qemu_devices_reset(reason); 639 640 /* Start all CPUs at the firmware entry point. 641 * Monarch CPU will initialize firmware, secondary CPUs 642 * will enter a small idle loop and wait for rendevouz. */ 643 for (i = 0; i < smp_cpus; i++) { 644 CPUState *cs = CPU(cpu[i]); 645 646 cpu_set_pc(cs, firmware_entry); 647 cpu[i]->env.psw = PSW_Q; 648 cpu[i]->env.gr[5] = CPU_HPA + i * 0x1000; 649 650 cs->exception_index = -1; 651 cs->halted = 0; 652 } 653 654 /* already initialized by machine_hppa_init()? */ 655 if (cpu[0]->env.gr[26] == ms->ram_size) { 656 return; 657 } 658 659 cpu[0]->env.gr[26] = ms->ram_size; 660 cpu[0]->env.gr[25] = 0; /* no firmware boot menu */ 661 cpu[0]->env.gr[24] = 'c'; 662 /* gr22/gr23 unused, no initrd while reboot. */ 663 cpu[0]->env.gr[21] = smp_cpus; 664 /* tell firmware fw_cfg port */ 665 cpu[0]->env.gr[19] = FW_CFG_IO_BASE; 666 } 667 668 static void hppa_nmi(NMIState *n, int cpu_index, Error **errp) 669 { 670 CPUState *cs; 671 672 CPU_FOREACH(cs) { 673 cpu_interrupt(cs, CPU_INTERRUPT_NMI); 674 } 675 } 676 677 static void HP_B160L_machine_init_class_init(ObjectClass *oc, void *data) 678 { 679 static const char * const valid_cpu_types[] = { 680 TYPE_HPPA_CPU, 681 NULL 682 }; 683 MachineClass *mc = MACHINE_CLASS(oc); 684 NMIClass *nc = NMI_CLASS(oc); 685 686 mc->desc = "HP B160L workstation"; 687 mc->default_cpu_type = TYPE_HPPA_CPU; 688 mc->valid_cpu_types = valid_cpu_types; 689 mc->init = machine_HP_B160L_init; 690 mc->reset = hppa_machine_reset; 691 mc->block_default_type = IF_SCSI; 692 mc->max_cpus = HPPA_MAX_CPUS; 693 mc->default_cpus = 1; 694 mc->is_default = true; 695 mc->default_ram_size = 512 * MiB; 696 mc->default_boot_order = "cd"; 697 mc->default_ram_id = "ram"; 698 mc->default_nic = "tulip"; 699 700 nc->nmi_monitor_handler = hppa_nmi; 701 } 702 703 static const TypeInfo HP_B160L_machine_init_typeinfo = { 704 .name = MACHINE_TYPE_NAME("B160L"), 705 .parent = TYPE_MACHINE, 706 .class_init = HP_B160L_machine_init_class_init, 707 .interfaces = (InterfaceInfo[]) { 708 { TYPE_NMI }, 709 { } 710 }, 711 }; 712 713 static void HP_C3700_machine_init_class_init(ObjectClass *oc, void *data) 714 { 715 static const char * const valid_cpu_types[] = { 716 TYPE_HPPA64_CPU, 717 NULL 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 = 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