xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision 66210a1a30f2384bb59f9dad8d769dba56dd30f1)
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  
25  #include "qemu/osdep.h"
26  #include "qemu/units.h"
27  #include "qemu/error-report.h"
28  #include "qapi/error.h"
29  #include "qemu/datadir.h"
30  #include "cpu.h"
31  #include "hw/irq.h"
32  #include "hw/pci/pci.h"
33  #include "hw/pci/pci_bridge.h"
34  #include "hw/pci/pci_host.h"
35  #include "hw/qdev-properties.h"
36  #include "hw/pci-host/sabre.h"
37  #include "hw/char/serial.h"
38  #include "hw/char/parallel-isa.h"
39  #include "hw/rtc/m48t59.h"
40  #include "migration/vmstate.h"
41  #include "hw/input/i8042.h"
42  #include "hw/block/fdc.h"
43  #include "net/net.h"
44  #include "qemu/timer.h"
45  #include "sysemu/runstate.h"
46  #include "sysemu/sysemu.h"
47  #include "hw/boards.h"
48  #include "hw/nvram/sun_nvram.h"
49  #include "hw/nvram/chrp_nvram.h"
50  #include "hw/sparc/sparc64.h"
51  #include "hw/nvram/fw_cfg.h"
52  #include "hw/sysbus.h"
53  #include "hw/ide/pci.h"
54  #include "hw/loader.h"
55  #include "hw/fw-path-provider.h"
56  #include "elf.h"
57  #include "trace.h"
58  #include "qom/object.h"
59  
60  #define KERNEL_LOAD_ADDR     0x00404000
61  #define CMDLINE_ADDR         0x003ff000
62  #define PROM_SIZE_MAX        (4 * MiB)
63  #define PROM_VADDR           0x000ffd00000ULL
64  #define PBM_SPECIAL_BASE     0x1fe00000000ULL
65  #define PBM_MEM_BASE         0x1ff00000000ULL
66  #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
67  #define PROM_FILENAME        "openbios-sparc64"
68  #define NVRAM_SIZE           0x2000
69  #define BIOS_CFG_IOPORT      0x510
70  #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
71  #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
72  #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
73  
74  #define IVEC_MAX             0x40
75  
76  struct hwdef {
77      uint16_t machine_id;
78      uint64_t prom_addr;
79      uint64_t console_serial_base;
80  };
81  
82  struct EbusState {
83      /*< private >*/
84      PCIDevice parent_obj;
85  
86      ISABus *isa_bus;
87      qemu_irq *isa_irqs_in;
88      qemu_irq isa_irqs_out[ISA_NUM_IRQS];
89      uint64_t console_serial_base;
90      MemoryRegion bar0;
91      MemoryRegion bar1;
92  };
93  
94  #define TYPE_EBUS "ebus"
95  OBJECT_DECLARE_SIMPLE_TYPE(EbusState, EBUS)
96  
97  const char *fw_cfg_arch_key_name(uint16_t key)
98  {
99      static const struct {
100          uint16_t key;
101          const char *name;
102      } fw_cfg_arch_wellknown_keys[] = {
103          {FW_CFG_SPARC64_WIDTH, "width"},
104          {FW_CFG_SPARC64_HEIGHT, "height"},
105          {FW_CFG_SPARC64_DEPTH, "depth"},
106      };
107  
108      for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
109          if (fw_cfg_arch_wellknown_keys[i].key == key) {
110              return fw_cfg_arch_wellknown_keys[i].name;
111          }
112      }
113      return NULL;
114  }
115  
116  static void fw_cfg_boot_set(void *opaque, const char *boot_device,
117                              Error **errp)
118  {
119      fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
120  }
121  
122  static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
123                                    const char *arch, ram_addr_t RAM_size,
124                                    const char *boot_devices,
125                                    uint32_t kernel_image, uint32_t kernel_size,
126                                    const char *cmdline,
127                                    uint32_t initrd_image, uint32_t initrd_size,
128                                    uint32_t NVRAM_image,
129                                    int width, int height, int depth,
130                                    const uint8_t *macaddr)
131  {
132      unsigned int i;
133      int sysp_end;
134      uint8_t image[0x1ff0];
135      NvramClass *k = NVRAM_GET_CLASS(nvram);
136  
137      memset(image, '\0', sizeof(image));
138  
139      /* OpenBIOS nvram variables partition */
140      sysp_end = chrp_nvram_create_system_partition(image, 0, 0x1fd0);
141  
142      /* Free space partition */
143      chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
144  
145      Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
146  
147      for (i = 0; i < sizeof(image); i++) {
148          (k->write)(nvram, i, image[i]);
149      }
150  
151      return 0;
152  }
153  
154  static uint64_t sun4u_load_kernel(const char *kernel_filename,
155                                    const char *initrd_filename,
156                                    ram_addr_t RAM_size, uint64_t *initrd_size,
157                                    uint64_t *initrd_addr, uint64_t *kernel_addr,
158                                    uint64_t *kernel_entry)
159  {
160      int linux_boot;
161      unsigned int i;
162      long kernel_size;
163      uint8_t *ptr;
164      uint64_t kernel_top = 0;
165  
166      linux_boot = (kernel_filename != NULL);
167  
168      kernel_size = 0;
169      if (linux_boot) {
170          int bswap_needed;
171  
172  #ifdef BSWAP_NEEDED
173          bswap_needed = 1;
174  #else
175          bswap_needed = 0;
176  #endif
177          kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
178                                 kernel_addr, &kernel_top, NULL, 1, EM_SPARCV9, 0,
179                                 0);
180          if (kernel_size < 0) {
181              *kernel_addr = KERNEL_LOAD_ADDR;
182              *kernel_entry = KERNEL_LOAD_ADDR;
183              kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
184                                      RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
185                                      TARGET_PAGE_SIZE);
186          }
187          if (kernel_size < 0) {
188              kernel_size = load_image_targphys(kernel_filename,
189                                                KERNEL_LOAD_ADDR,
190                                                RAM_size - KERNEL_LOAD_ADDR);
191          }
192          if (kernel_size < 0) {
193              error_report("could not load kernel '%s'", kernel_filename);
194              exit(1);
195          }
196          /* load initrd above kernel */
197          *initrd_size = 0;
198          if (initrd_filename && kernel_top) {
199              *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
200  
201              *initrd_size = load_image_targphys(initrd_filename,
202                                                 *initrd_addr,
203                                                 RAM_size - *initrd_addr);
204              if ((int)*initrd_size < 0) {
205                  error_report("could not load initial ram disk '%s'",
206                               initrd_filename);
207                  exit(1);
208              }
209          }
210          if (*initrd_size > 0) {
211              for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
212                  ptr = rom_ptr(*kernel_addr + i, 32);
213                  if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
214                      stl_p(ptr + 24, *initrd_addr + *kernel_addr);
215                      stl_p(ptr + 28, *initrd_size);
216                      break;
217                  }
218              }
219          }
220      }
221      return kernel_size;
222  }
223  
224  typedef struct ResetData {
225      SPARCCPU *cpu;
226      uint64_t prom_addr;
227  } ResetData;
228  
229  #define TYPE_SUN4U_POWER "power"
230  OBJECT_DECLARE_SIMPLE_TYPE(PowerDevice, SUN4U_POWER)
231  
232  struct PowerDevice {
233      SysBusDevice parent_obj;
234  
235      MemoryRegion power_mmio;
236  };
237  
238  /* Power */
239  static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
240  {
241      return 0;
242  }
243  
244  static void power_mem_write(void *opaque, hwaddr addr,
245                              uint64_t val, unsigned size)
246  {
247      /* According to a real Ultra 5, bit 24 controls the power */
248      if (val & 0x1000000) {
249          qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
250      }
251  }
252  
253  static const MemoryRegionOps power_mem_ops = {
254      .read = power_mem_read,
255      .write = power_mem_write,
256      .endianness = DEVICE_NATIVE_ENDIAN,
257      .valid = {
258          .min_access_size = 4,
259          .max_access_size = 4,
260      },
261  };
262  
263  static void power_realize(DeviceState *dev, Error **errp)
264  {
265      PowerDevice *d = SUN4U_POWER(dev);
266      SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
267  
268      memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
269                            "power", sizeof(uint32_t));
270  
271      sysbus_init_mmio(sbd, &d->power_mmio);
272  }
273  
274  static void power_class_init(ObjectClass *klass, void *data)
275  {
276      DeviceClass *dc = DEVICE_CLASS(klass);
277  
278      dc->realize = power_realize;
279  }
280  
281  static const TypeInfo power_info = {
282      .name          = TYPE_SUN4U_POWER,
283      .parent        = TYPE_SYS_BUS_DEVICE,
284      .instance_size = sizeof(PowerDevice),
285      .class_init    = power_class_init,
286  };
287  
288  static void ebus_isa_irq_handler(void *opaque, int n, int level)
289  {
290      EbusState *s = EBUS(opaque);
291      qemu_irq irq = s->isa_irqs_out[n];
292  
293      /* Pass ISA bus IRQs onto their gpio equivalent */
294      trace_ebus_isa_irq_handler(n, level);
295      if (irq) {
296          qemu_set_irq(irq, level);
297      }
298  }
299  
300  /* EBUS (Eight bit bus) bridge */
301  static void ebus_realize(PCIDevice *pci_dev, Error **errp)
302  {
303      EbusState *s = EBUS(pci_dev);
304      ISADevice *isa_dev;
305      SysBusDevice *sbd;
306      DeviceState *dev;
307      DriveInfo *fd[MAX_FD];
308      int i;
309  
310      s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
311                               pci_address_space_io(pci_dev), errp);
312      if (!s->isa_bus) {
313          error_setg(errp, "unable to instantiate EBUS ISA bus");
314          return;
315      }
316  
317      /* ISA bus */
318      s->isa_irqs_in = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
319      isa_bus_register_input_irqs(s->isa_bus, s->isa_irqs_in);
320      qdev_init_gpio_out_named(DEVICE(s), s->isa_irqs_out, "isa-irq",
321                               ISA_NUM_IRQS);
322  
323      /* Serial ports */
324      i = 0;
325      if (s->console_serial_base) {
326          serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
327                         0, NULL, 115200, serial_hd(i), DEVICE_BIG_ENDIAN);
328          i++;
329      }
330      serial_hds_isa_init(s->isa_bus, i, MAX_ISA_SERIAL_PORTS);
331  
332      /* Parallel ports */
333      parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
334  
335      /* Keyboard */
336      isa_create_simple(s->isa_bus, TYPE_I8042);
337  
338      /* Floppy */
339      for (i = 0; i < MAX_FD; i++) {
340          fd[i] = drive_get(IF_FLOPPY, 0, i);
341      }
342      isa_dev = isa_new(TYPE_ISA_FDC);
343      dev = DEVICE(isa_dev);
344      qdev_prop_set_uint32(dev, "dma", -1);
345      isa_realize_and_unref(isa_dev, s->isa_bus, &error_fatal);
346      isa_fdc_init_drives(isa_dev, fd);
347  
348      /* Power */
349      dev = qdev_new(TYPE_SUN4U_POWER);
350      sbd = SYS_BUS_DEVICE(dev);
351      sysbus_realize_and_unref(sbd, &error_fatal);
352      memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
353                                  sysbus_mmio_get_region(sbd, 0));
354  
355      /* PCI */
356      pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
357      pci_dev->config[0x05] = 0x00;
358      pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
359      pci_dev->config[0x07] = 0x03; // status = medium devsel
360      pci_dev->config[0x09] = 0x00; // programming i/f
361      pci_dev->config[0x0D] = 0x0a; // latency_timer
362  
363      /*
364       * BAR0 is accessed by OpenBSD but not for ebus device access: allow any
365       * memory access to this region to succeed which allows the OpenBSD kernel
366       * to boot.
367       */
368      memory_region_init_io(&s->bar0, OBJECT(s), &unassigned_io_ops, s,
369                            "bar0", 0x1000000);
370      pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
371      memory_region_init_alias(&s->bar1, OBJECT(s), "bar1",
372                               pci_address_space_io(pci_dev), 0, 0x8000);
373      pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
374  }
375  
376  static Property ebus_properties[] = {
377      DEFINE_PROP_UINT64("console-serial-base", EbusState,
378                         console_serial_base, 0),
379      DEFINE_PROP_END_OF_LIST(),
380  };
381  
382  static void ebus_class_init(ObjectClass *klass, void *data)
383  {
384      PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
385      DeviceClass *dc = DEVICE_CLASS(klass);
386  
387      k->realize = ebus_realize;
388      k->vendor_id = PCI_VENDOR_ID_SUN;
389      k->device_id = PCI_DEVICE_ID_SUN_EBUS;
390      k->revision = 0x01;
391      k->class_id = PCI_CLASS_BRIDGE_OTHER;
392      device_class_set_props(dc, ebus_properties);
393  }
394  
395  static const TypeInfo ebus_info = {
396      .name          = TYPE_EBUS,
397      .parent        = TYPE_PCI_DEVICE,
398      .class_init    = ebus_class_init,
399      .instance_size = sizeof(EbusState),
400      .interfaces = (InterfaceInfo[]) {
401          { INTERFACE_CONVENTIONAL_PCI_DEVICE },
402          { },
403      },
404  };
405  
406  #define TYPE_OPENPROM "openprom"
407  typedef struct PROMState PROMState;
408  DECLARE_INSTANCE_CHECKER(PROMState, OPENPROM,
409                           TYPE_OPENPROM)
410  
411  struct PROMState {
412      SysBusDevice parent_obj;
413  
414      MemoryRegion prom;
415  };
416  
417  static uint64_t translate_prom_address(void *opaque, uint64_t addr)
418  {
419      hwaddr *base_addr = (hwaddr *)opaque;
420      return addr + *base_addr - PROM_VADDR;
421  }
422  
423  /* Boot PROM (OpenBIOS) */
424  static void prom_init(hwaddr addr, const char *bios_name)
425  {
426      DeviceState *dev;
427      SysBusDevice *s;
428      char *filename;
429      int ret;
430  
431      dev = qdev_new(TYPE_OPENPROM);
432      s = SYS_BUS_DEVICE(dev);
433      sysbus_realize_and_unref(s, &error_fatal);
434  
435      sysbus_mmio_map(s, 0, addr);
436  
437      /* load boot prom */
438      if (bios_name == NULL) {
439          bios_name = PROM_FILENAME;
440      }
441      filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
442      if (filename) {
443          ret = load_elf(filename, NULL, translate_prom_address, &addr,
444                         NULL, NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
445          if (ret < 0 || ret > PROM_SIZE_MAX) {
446              ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
447          }
448          g_free(filename);
449      } else {
450          ret = -1;
451      }
452      if (ret < 0 || ret > PROM_SIZE_MAX) {
453          error_report("could not load prom '%s'", bios_name);
454          exit(1);
455      }
456  }
457  
458  static void prom_realize(DeviceState *ds, Error **errp)
459  {
460      PROMState *s = OPENPROM(ds);
461      SysBusDevice *dev = SYS_BUS_DEVICE(ds);
462  
463      if (!memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
464                                            PROM_SIZE_MAX, errp)) {
465          return;
466      }
467  
468      vmstate_register_ram_global(&s->prom);
469      memory_region_set_readonly(&s->prom, true);
470      sysbus_init_mmio(dev, &s->prom);
471  }
472  
473  static Property prom_properties[] = {
474      {/* end of property list */},
475  };
476  
477  static void prom_class_init(ObjectClass *klass, void *data)
478  {
479      DeviceClass *dc = DEVICE_CLASS(klass);
480  
481      device_class_set_props(dc, prom_properties);
482      dc->realize = prom_realize;
483  }
484  
485  static const TypeInfo prom_info = {
486      .name          = TYPE_OPENPROM,
487      .parent        = TYPE_SYS_BUS_DEVICE,
488      .instance_size = sizeof(PROMState),
489      .class_init    = prom_class_init,
490  };
491  
492  
493  #define TYPE_SUN4U_MEMORY "memory"
494  typedef struct RamDevice RamDevice;
495  DECLARE_INSTANCE_CHECKER(RamDevice, SUN4U_RAM,
496                           TYPE_SUN4U_MEMORY)
497  
498  struct RamDevice {
499      SysBusDevice parent_obj;
500  
501      MemoryRegion ram;
502      uint64_t size;
503  };
504  
505  /* System RAM */
506  static void ram_realize(DeviceState *dev, Error **errp)
507  {
508      RamDevice *d = SUN4U_RAM(dev);
509      SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
510  
511      memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
512                             &error_fatal);
513      vmstate_register_ram_global(&d->ram);
514      sysbus_init_mmio(sbd, &d->ram);
515  }
516  
517  static void ram_init(hwaddr addr, ram_addr_t RAM_size)
518  {
519      DeviceState *dev;
520      SysBusDevice *s;
521      RamDevice *d;
522  
523      /* allocate RAM */
524      dev = qdev_new(TYPE_SUN4U_MEMORY);
525      s = SYS_BUS_DEVICE(dev);
526  
527      d = SUN4U_RAM(dev);
528      d->size = RAM_size;
529      sysbus_realize_and_unref(s, &error_fatal);
530  
531      sysbus_mmio_map(s, 0, addr);
532  }
533  
534  static Property ram_properties[] = {
535      DEFINE_PROP_UINT64("size", RamDevice, size, 0),
536      DEFINE_PROP_END_OF_LIST(),
537  };
538  
539  static void ram_class_init(ObjectClass *klass, void *data)
540  {
541      DeviceClass *dc = DEVICE_CLASS(klass);
542  
543      dc->realize = ram_realize;
544      device_class_set_props(dc, ram_properties);
545  }
546  
547  static const TypeInfo ram_info = {
548      .name          = TYPE_SUN4U_MEMORY,
549      .parent        = TYPE_SYS_BUS_DEVICE,
550      .instance_size = sizeof(RamDevice),
551      .class_init    = ram_class_init,
552  };
553  
554  static void sun4uv_init(MemoryRegion *address_space_mem,
555                          MachineState *machine,
556                          const struct hwdef *hwdef)
557  {
558      MachineClass *mc = MACHINE_GET_CLASS(machine);
559      SPARCCPU *cpu;
560      Nvram *nvram;
561      unsigned int i;
562      uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
563      SabreState *sabre;
564      PCIBus *pci_bus, *pci_busA, *pci_busB;
565      PCIDevice *ebus, *pci_dev;
566      SysBusDevice *s;
567      DeviceState *iommu, *dev;
568      FWCfgState *fw_cfg;
569      NICInfo *nd;
570      MACAddr macaddr;
571      bool onboard_nic;
572  
573      /* init CPUs */
574      cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
575  
576      /* IOMMU */
577      iommu = qdev_new(TYPE_SUN4U_IOMMU);
578      sysbus_realize_and_unref(SYS_BUS_DEVICE(iommu), &error_fatal);
579  
580      /* set up devices */
581      ram_init(0, machine->ram_size);
582  
583      prom_init(hwdef->prom_addr, machine->firmware);
584  
585      /* Init sabre (PCI host bridge) */
586      sabre = SABRE(qdev_new(TYPE_SABRE));
587      qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
588      qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
589      object_property_set_link(OBJECT(sabre), "iommu", OBJECT(iommu),
590                               &error_abort);
591      sysbus_realize_and_unref(SYS_BUS_DEVICE(sabre), &error_fatal);
592  
593      /* sabre_config */
594      sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 0, PBM_SPECIAL_BASE);
595      /* PCI configuration space */
596      sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 1, PBM_SPECIAL_BASE + 0x1000000ULL);
597      /* pci_ioport */
598      sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 2, PBM_SPECIAL_BASE + 0x2000000ULL);
599  
600      /* Wire up PCI interrupts to CPU */
601      for (i = 0; i < IVEC_MAX; i++) {
602          qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
603              qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
604      }
605  
606      pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
607      pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
608      pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
609  
610      /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
611         reserved (leaving no slots free after on-board devices) however slots
612         0-3 are free on busB */
613      pci_bus_set_slot_reserved_mask(pci_bus, 0xfffffffc);
614      pci_bus_set_slot_reserved_mask(pci_busA, 0xfffffff1);
615      pci_bus_set_slot_reserved_mask(pci_busB, 0xfffffff0);
616  
617      ebus = pci_new_multifunction(PCI_DEVFN(1, 0), TYPE_EBUS);
618      qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
619                           hwdef->console_serial_base);
620      pci_realize_and_unref(ebus, pci_busA, &error_fatal);
621  
622      /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
623      qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
624          qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
625      qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
626          qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
627      qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
628          qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
629      qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
630          qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
631      qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
632          qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
633  
634      switch (vga_interface_type) {
635      case VGA_STD:
636          pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
637          vga_interface_created = true;
638          break;
639      case VGA_NONE:
640          break;
641      default:
642          abort();   /* Should not happen - types are checked in vl.c already */
643      }
644  
645      memset(&macaddr, 0, sizeof(MACAddr));
646      onboard_nic = false;
647  
648      nd = qemu_find_nic_info(mc->default_nic, true, NULL);
649      if (nd) {
650          pci_dev = pci_new_multifunction(PCI_DEVFN(1, 1), mc->default_nic);
651          dev = &pci_dev->qdev;
652          qdev_set_nic_properties(dev, nd);
653          pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
654  
655          memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
656          onboard_nic = true;
657      }
658      pci_init_nic_devices(pci_busB, mc->default_nic);
659  
660      /* If we don't have an onboard NIC, grab a default MAC address so that
661       * we have a valid machine id */
662      if (!onboard_nic) {
663          qemu_macaddr_default_if_unset(&macaddr);
664      }
665  
666      pci_dev = pci_new(PCI_DEVFN(3, 0), "cmd646-ide");
667      qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
668      pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
669      pci_ide_create_devs(pci_dev);
670  
671      /* Map NVRAM into I/O (ebus) space */
672      dev = qdev_new("sysbus-m48t59");
673      qdev_prop_set_int32(dev, "base-year", 1968);
674      s = SYS_BUS_DEVICE(dev);
675      sysbus_realize_and_unref(s, &error_fatal);
676      memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
677                                  sysbus_mmio_get_region(s, 0));
678      nvram = NVRAM(dev);
679  
680      initrd_size = 0;
681      initrd_addr = 0;
682      kernel_size = sun4u_load_kernel(machine->kernel_filename,
683                                      machine->initrd_filename,
684                                      machine->ram_size, &initrd_size, &initrd_addr,
685                                      &kernel_addr, &kernel_entry);
686  
687      sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
688                             machine->boot_config.order,
689                             kernel_addr, kernel_size,
690                             machine->kernel_cmdline,
691                             initrd_addr, initrd_size,
692                             /* XXX: need an option to load a NVRAM image */
693                             0,
694                             graphic_width, graphic_height, graphic_depth,
695                             (uint8_t *)&macaddr);
696  
697      dev = qdev_new(TYPE_FW_CFG_IO);
698      qdev_prop_set_bit(dev, "dma_enabled", false);
699      object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
700      sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
701      memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
702                                  &FW_CFG_IO(dev)->comb_iomem);
703  
704      fw_cfg = FW_CFG(dev);
705      fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
706      fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
707      fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
708      fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
709      fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
710      fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
711      if (machine->kernel_cmdline) {
712          fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
713                         strlen(machine->kernel_cmdline) + 1);
714          fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
715      } else {
716          fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
717      }
718      fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
719      fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
720      fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_config.order[0]);
721  
722      fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
723      fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
724      fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
725  
726      qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
727  }
728  
729  enum {
730      sun4u_id = 0,
731      sun4v_id = 64,
732  };
733  
734  /*
735   * Implementation of an interface to adjust firmware path
736   * for the bootindex property handling.
737   */
738  static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
739                                 DeviceState *dev)
740  {
741      PCIDevice *pci;
742  
743      if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
744          pci = PCI_DEVICE(dev);
745  
746          if (PCI_FUNC(pci->devfn)) {
747              return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
748                                     PCI_FUNC(pci->devfn));
749          } else {
750              return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
751          }
752      }
753  
754      if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
755          return g_strdup("disk");
756      }
757  
758      if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
759          return g_strdup("cdrom");
760      }
761  
762      if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
763          return g_strdup("disk");
764      }
765  
766      return NULL;
767  }
768  
769  static const struct hwdef hwdefs[] = {
770      /* Sun4u generic PC-like machine */
771      {
772          .machine_id = sun4u_id,
773          .prom_addr = 0x1fff0000000ULL,
774          .console_serial_base = 0,
775      },
776      /* Sun4v generic PC-like machine */
777      {
778          .machine_id = sun4v_id,
779          .prom_addr = 0x1fff0000000ULL,
780          .console_serial_base = 0,
781      },
782  };
783  
784  /* Sun4u hardware initialisation */
785  static void sun4u_init(MachineState *machine)
786  {
787      sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
788  }
789  
790  /* Sun4v hardware initialisation */
791  static void sun4v_init(MachineState *machine)
792  {
793      sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
794  }
795  
796  static void sun4u_class_init(ObjectClass *oc, void *data)
797  {
798      MachineClass *mc = MACHINE_CLASS(oc);
799      FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
800  
801      mc->desc = "Sun4u platform";
802      mc->init = sun4u_init;
803      mc->block_default_type = IF_IDE;
804      mc->max_cpus = 1; /* XXX for now */
805      mc->is_default = true;
806      mc->default_boot_order = "c";
807      mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
808      mc->ignore_boot_device_suffixes = true;
809      mc->default_display = "std";
810      mc->default_nic = "sunhme";
811      mc->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
812      fwc->get_dev_path = sun4u_fw_dev_path;
813  }
814  
815  static const TypeInfo sun4u_type = {
816      .name = MACHINE_TYPE_NAME("sun4u"),
817      .parent = TYPE_MACHINE,
818      .class_init = sun4u_class_init,
819      .interfaces = (InterfaceInfo[]) {
820          { TYPE_FW_PATH_PROVIDER },
821          { }
822      },
823  };
824  
825  static void sun4v_class_init(ObjectClass *oc, void *data)
826  {
827      MachineClass *mc = MACHINE_CLASS(oc);
828  
829      mc->desc = "Sun4v platform";
830      mc->init = sun4v_init;
831      mc->block_default_type = IF_IDE;
832      mc->max_cpus = 1; /* XXX for now */
833      mc->default_boot_order = "c";
834      mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
835      mc->default_display = "std";
836      mc->default_nic = "sunhme";
837      mc->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
838  }
839  
840  static const TypeInfo sun4v_type = {
841      .name = MACHINE_TYPE_NAME("sun4v"),
842      .parent = TYPE_MACHINE,
843      .class_init = sun4v_class_init,
844  };
845  
846  static void sun4u_register_types(void)
847  {
848      type_register_static(&power_info);
849      type_register_static(&ebus_info);
850      type_register_static(&prom_info);
851      type_register_static(&ram_info);
852  
853      type_register_static(&sun4u_type);
854      type_register_static(&sun4v_type);
855  }
856  
857  type_init(sun4u_register_types)
858