xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision 354908ce)
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-common.h"
30 #include "cpu.h"
31 #include "hw/pci/pci.h"
32 #include "hw/pci/pci_bridge.h"
33 #include "hw/pci/pci_bus.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.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 
59 #define KERNEL_LOAD_ADDR     0x00404000
60 #define CMDLINE_ADDR         0x003ff000
61 #define PROM_SIZE_MAX        (4 * MiB)
62 #define PROM_VADDR           0x000ffd00000ULL
63 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
64 #define PBM_MEM_BASE         0x1ff00000000ULL
65 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
66 #define PROM_FILENAME        "openbios-sparc64"
67 #define NVRAM_SIZE           0x2000
68 #define MAX_IDE_BUS          2
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 typedef struct EbusState {
83     /*< private >*/
84     PCIDevice parent_obj;
85 
86     ISABus *isa_bus;
87     qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
88     uint64_t console_serial_base;
89     MemoryRegion bar0;
90     MemoryRegion bar1;
91 } EbusState;
92 
93 #define TYPE_EBUS "ebus"
94 #define EBUS(obj) OBJECT_CHECK(EbusState, (obj), TYPE_EBUS)
95 
96 const char *fw_cfg_arch_key_name(uint16_t key)
97 {
98     static const struct {
99         uint16_t key;
100         const char *name;
101     } fw_cfg_arch_wellknown_keys[] = {
102         {FW_CFG_SPARC64_WIDTH, "width"},
103         {FW_CFG_SPARC64_HEIGHT, "height"},
104         {FW_CFG_SPARC64_DEPTH, "depth"},
105     };
106 
107     for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
108         if (fw_cfg_arch_wellknown_keys[i].key == key) {
109             return fw_cfg_arch_wellknown_keys[i].name;
110         }
111     }
112     return NULL;
113 }
114 
115 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
116                             Error **errp)
117 {
118     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
119 }
120 
121 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
122                                   const char *arch, ram_addr_t RAM_size,
123                                   const char *boot_devices,
124                                   uint32_t kernel_image, uint32_t kernel_size,
125                                   const char *cmdline,
126                                   uint32_t initrd_image, uint32_t initrd_size,
127                                   uint32_t NVRAM_image,
128                                   int width, int height, int depth,
129                                   const uint8_t *macaddr)
130 {
131     unsigned int i;
132     int sysp_end;
133     uint8_t image[0x1ff0];
134     NvramClass *k = NVRAM_GET_CLASS(nvram);
135 
136     memset(image, '\0', sizeof(image));
137 
138     /* OpenBIOS nvram variables partition */
139     sysp_end = chrp_nvram_create_system_partition(image, 0);
140 
141     /* Free space partition */
142     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
143 
144     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
145 
146     for (i = 0; i < sizeof(image); i++) {
147         (k->write)(nvram, i, image[i]);
148     }
149 
150     return 0;
151 }
152 
153 static uint64_t sun4u_load_kernel(const char *kernel_filename,
154                                   const char *initrd_filename,
155                                   ram_addr_t RAM_size, uint64_t *initrd_size,
156                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
157                                   uint64_t *kernel_entry)
158 {
159     int linux_boot;
160     unsigned int i;
161     long kernel_size;
162     uint8_t *ptr;
163     uint64_t kernel_top = 0;
164 
165     linux_boot = (kernel_filename != NULL);
166 
167     kernel_size = 0;
168     if (linux_boot) {
169         int bswap_needed;
170 
171 #ifdef BSWAP_NEEDED
172         bswap_needed = 1;
173 #else
174         bswap_needed = 0;
175 #endif
176         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
177                                kernel_addr, &kernel_top, NULL, 1, EM_SPARCV9, 0,
178                                0);
179         if (kernel_size < 0) {
180             *kernel_addr = KERNEL_LOAD_ADDR;
181             *kernel_entry = KERNEL_LOAD_ADDR;
182             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
183                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
184                                     TARGET_PAGE_SIZE);
185         }
186         if (kernel_size < 0) {
187             kernel_size = load_image_targphys(kernel_filename,
188                                               KERNEL_LOAD_ADDR,
189                                               RAM_size - KERNEL_LOAD_ADDR);
190         }
191         if (kernel_size < 0) {
192             error_report("could not load kernel '%s'", kernel_filename);
193             exit(1);
194         }
195         /* load initrd above kernel */
196         *initrd_size = 0;
197         if (initrd_filename && kernel_top) {
198             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
199 
200             *initrd_size = load_image_targphys(initrd_filename,
201                                                *initrd_addr,
202                                                RAM_size - *initrd_addr);
203             if ((int)*initrd_size < 0) {
204                 error_report("could not load initial ram disk '%s'",
205                              initrd_filename);
206                 exit(1);
207             }
208         }
209         if (*initrd_size > 0) {
210             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
211                 ptr = rom_ptr(*kernel_addr + i, 32);
212                 if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
213                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
214                     stl_p(ptr + 28, *initrd_size);
215                     break;
216                 }
217             }
218         }
219     }
220     return kernel_size;
221 }
222 
223 typedef struct ResetData {
224     SPARCCPU *cpu;
225     uint64_t prom_addr;
226 } ResetData;
227 
228 #define TYPE_SUN4U_POWER "power"
229 #define SUN4U_POWER(obj) OBJECT_CHECK(PowerDevice, (obj), TYPE_SUN4U_POWER)
230 
231 typedef struct PowerDevice {
232     SysBusDevice parent_obj;
233 
234     MemoryRegion power_mmio;
235 } PowerDevice;
236 
237 /* Power */
238 static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
239 {
240     return 0;
241 }
242 
243 static void power_mem_write(void *opaque, hwaddr addr,
244                             uint64_t val, unsigned size)
245 {
246     /* According to a real Ultra 5, bit 24 controls the power */
247     if (val & 0x1000000) {
248         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
249     }
250 }
251 
252 static const MemoryRegionOps power_mem_ops = {
253     .read = power_mem_read,
254     .write = power_mem_write,
255     .endianness = DEVICE_NATIVE_ENDIAN,
256     .valid = {
257         .min_access_size = 4,
258         .max_access_size = 4,
259     },
260 };
261 
262 static void power_realize(DeviceState *dev, Error **errp)
263 {
264     PowerDevice *d = SUN4U_POWER(dev);
265     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
266 
267     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
268                           "power", sizeof(uint32_t));
269 
270     sysbus_init_mmio(sbd, &d->power_mmio);
271 }
272 
273 static void power_class_init(ObjectClass *klass, void *data)
274 {
275     DeviceClass *dc = DEVICE_CLASS(klass);
276 
277     dc->realize = power_realize;
278 }
279 
280 static const TypeInfo power_info = {
281     .name          = TYPE_SUN4U_POWER,
282     .parent        = TYPE_SYS_BUS_DEVICE,
283     .instance_size = sizeof(PowerDevice),
284     .class_init    = power_class_init,
285 };
286 
287 static void ebus_isa_irq_handler(void *opaque, int n, int level)
288 {
289     EbusState *s = EBUS(opaque);
290     qemu_irq irq = s->isa_bus_irqs[n];
291 
292     /* Pass ISA bus IRQs onto their gpio equivalent */
293     trace_ebus_isa_irq_handler(n, level);
294     if (irq) {
295         qemu_set_irq(irq, level);
296     }
297 }
298 
299 /* EBUS (Eight bit bus) bridge */
300 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
301 {
302     EbusState *s = EBUS(pci_dev);
303     ISADevice *isa_dev;
304     SysBusDevice *sbd;
305     DeviceState *dev;
306     qemu_irq *isa_irq;
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     isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
319     isa_bus_irqs(s->isa_bus, isa_irq);
320     qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "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, "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     if (fd[0]) {
345         qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
346                             &error_abort);
347     }
348     if (fd[1]) {
349         qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
350                             &error_abort);
351     }
352     qdev_prop_set_uint32(dev, "dma", -1);
353     isa_realize_and_unref(isa_dev, s->isa_bus, &error_fatal);
354 
355     /* Power */
356     dev = qdev_new(TYPE_SUN4U_POWER);
357     sbd = SYS_BUS_DEVICE(dev);
358     sysbus_realize_and_unref(sbd, &error_fatal);
359     memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
360                                 sysbus_mmio_get_region(sbd, 0));
361 
362     /* PCI */
363     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
364     pci_dev->config[0x05] = 0x00;
365     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
366     pci_dev->config[0x07] = 0x03; // status = medium devsel
367     pci_dev->config[0x09] = 0x00; // programming i/f
368     pci_dev->config[0x0D] = 0x0a; // latency_timer
369 
370     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
371                              0, 0x1000000);
372     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
373     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
374                              0, 0x8000);
375     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
376 }
377 
378 static Property ebus_properties[] = {
379     DEFINE_PROP_UINT64("console-serial-base", EbusState,
380                        console_serial_base, 0),
381     DEFINE_PROP_END_OF_LIST(),
382 };
383 
384 static void ebus_class_init(ObjectClass *klass, void *data)
385 {
386     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
387     DeviceClass *dc = DEVICE_CLASS(klass);
388 
389     k->realize = ebus_realize;
390     k->vendor_id = PCI_VENDOR_ID_SUN;
391     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
392     k->revision = 0x01;
393     k->class_id = PCI_CLASS_BRIDGE_OTHER;
394     device_class_set_props(dc, ebus_properties);
395 }
396 
397 static const TypeInfo ebus_info = {
398     .name          = TYPE_EBUS,
399     .parent        = TYPE_PCI_DEVICE,
400     .class_init    = ebus_class_init,
401     .instance_size = sizeof(EbusState),
402     .interfaces = (InterfaceInfo[]) {
403         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
404         { },
405     },
406 };
407 
408 #define TYPE_OPENPROM "openprom"
409 #define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
410 
411 typedef struct PROMState {
412     SysBusDevice parent_obj;
413 
414     MemoryRegion prom;
415 } PROMState;
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     Error *local_err = NULL;
463 
464     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
465                                      PROM_SIZE_MAX, &local_err);
466     if (local_err) {
467         error_propagate(errp, local_err);
468         return;
469     }
470 
471     vmstate_register_ram_global(&s->prom);
472     memory_region_set_readonly(&s->prom, true);
473     sysbus_init_mmio(dev, &s->prom);
474 }
475 
476 static Property prom_properties[] = {
477     {/* end of property list */},
478 };
479 
480 static void prom_class_init(ObjectClass *klass, void *data)
481 {
482     DeviceClass *dc = DEVICE_CLASS(klass);
483 
484     device_class_set_props(dc, prom_properties);
485     dc->realize = prom_realize;
486 }
487 
488 static const TypeInfo prom_info = {
489     .name          = TYPE_OPENPROM,
490     .parent        = TYPE_SYS_BUS_DEVICE,
491     .instance_size = sizeof(PROMState),
492     .class_init    = prom_class_init,
493 };
494 
495 
496 #define TYPE_SUN4U_MEMORY "memory"
497 #define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY)
498 
499 typedef struct RamDevice {
500     SysBusDevice parent_obj;
501 
502     MemoryRegion ram;
503     uint64_t size;
504 } RamDevice;
505 
506 /* System RAM */
507 static void ram_realize(DeviceState *dev, Error **errp)
508 {
509     RamDevice *d = SUN4U_RAM(dev);
510     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
511 
512     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
513                            &error_fatal);
514     vmstate_register_ram_global(&d->ram);
515     sysbus_init_mmio(sbd, &d->ram);
516 }
517 
518 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
519 {
520     DeviceState *dev;
521     SysBusDevice *s;
522     RamDevice *d;
523 
524     /* allocate RAM */
525     dev = qdev_new(TYPE_SUN4U_MEMORY);
526     s = SYS_BUS_DEVICE(dev);
527 
528     d = SUN4U_RAM(dev);
529     d->size = RAM_size;
530     sysbus_realize_and_unref(s, &error_fatal);
531 
532     sysbus_mmio_map(s, 0, addr);
533 }
534 
535 static Property ram_properties[] = {
536     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
537     DEFINE_PROP_END_OF_LIST(),
538 };
539 
540 static void ram_class_init(ObjectClass *klass, void *data)
541 {
542     DeviceClass *dc = DEVICE_CLASS(klass);
543 
544     dc->realize = ram_realize;
545     device_class_set_props(dc, ram_properties);
546 }
547 
548 static const TypeInfo ram_info = {
549     .name          = TYPE_SUN4U_MEMORY,
550     .parent        = TYPE_SYS_BUS_DEVICE,
551     .instance_size = sizeof(RamDevice),
552     .class_init    = ram_class_init,
553 };
554 
555 static void sun4uv_init(MemoryRegion *address_space_mem,
556                         MachineState *machine,
557                         const struct hwdef *hwdef)
558 {
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, bios_name);
584 
585     /* Init sabre (PCI host bridge) */
586     sabre = SABRE_DEVICE(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), OBJECT(iommu), "iommu",
590                              &error_abort);
591     sysbus_realize_and_unref(SYS_BUS_DEVICE(sabre), &error_fatal);
592 
593     /* Wire up PCI interrupts to CPU */
594     for (i = 0; i < IVEC_MAX; i++) {
595         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
596             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
597     }
598 
599     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
600     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
601     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
602 
603     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
604        reserved (leaving no slots free after on-board devices) however slots
605        0-3 are free on busB */
606     pci_bus->slot_reserved_mask = 0xfffffffc;
607     pci_busA->slot_reserved_mask = 0xfffffff1;
608     pci_busB->slot_reserved_mask = 0xfffffff0;
609 
610     ebus = pci_new_multifunction(PCI_DEVFN(1, 0), true, TYPE_EBUS);
611     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
612                          hwdef->console_serial_base);
613     pci_realize_and_unref(ebus, pci_busA, &error_fatal);
614 
615     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
616     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
617         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
618     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
619         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
620     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
621         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
622     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
623         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
624     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
625         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
626 
627     switch (vga_interface_type) {
628     case VGA_STD:
629         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
630         break;
631     case VGA_NONE:
632         break;
633     default:
634         abort();   /* Should not happen - types are checked in vl.c already */
635     }
636 
637     memset(&macaddr, 0, sizeof(MACAddr));
638     onboard_nic = false;
639     for (i = 0; i < nb_nics; i++) {
640         PCIBus *bus;
641         nd = &nd_table[i];
642 
643         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
644             if (!onboard_nic) {
645                 pci_dev = pci_new_multifunction(PCI_DEVFN(1, 1),
646                                                    true, "sunhme");
647                 bus = pci_busA;
648                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
649                 onboard_nic = true;
650             } else {
651                 pci_dev = pci_new(-1, "sunhme");
652                 bus = pci_busB;
653             }
654         } else {
655             pci_dev = pci_new(-1, nd->model);
656             bus = pci_busB;
657         }
658 
659         dev = &pci_dev->qdev;
660         qdev_set_nic_properties(dev, nd);
661         pci_realize_and_unref(pci_dev, bus, &error_fatal);
662     }
663 
664     /* If we don't have an onboard NIC, grab a default MAC address so that
665      * we have a valid machine id */
666     if (!onboard_nic) {
667         qemu_macaddr_default_if_unset(&macaddr);
668     }
669 
670     pci_dev = pci_new(PCI_DEVFN(3, 0), "cmd646-ide");
671     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
672     pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
673     pci_ide_create_devs(pci_dev);
674 
675     /* Map NVRAM into I/O (ebus) space */
676     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
677     s = SYS_BUS_DEVICE(nvram);
678     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
679                                 sysbus_mmio_get_region(s, 0));
680 
681     initrd_size = 0;
682     initrd_addr = 0;
683     kernel_size = sun4u_load_kernel(machine->kernel_filename,
684                                     machine->initrd_filename,
685                                     ram_size, &initrd_size, &initrd_addr,
686                                     &kernel_addr, &kernel_entry);
687 
688     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
689                            machine->boot_order,
690                            kernel_addr, kernel_size,
691                            machine->kernel_cmdline,
692                            initrd_addr, initrd_size,
693                            /* XXX: need an option to load a NVRAM image */
694                            0,
695                            graphic_width, graphic_height, graphic_depth,
696                            (uint8_t *)&macaddr);
697 
698     dev = qdev_new(TYPE_FW_CFG_IO);
699     qdev_prop_set_bit(dev, "dma_enabled", false);
700     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
701     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
702     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
703                                 &FW_CFG_IO(dev)->comb_iomem);
704 
705     fw_cfg = FW_CFG(dev);
706     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
707     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
708     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
709     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
710     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
711     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
712     if (machine->kernel_cmdline) {
713         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
714                        strlen(machine->kernel_cmdline) + 1);
715         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
716     } else {
717         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
718     }
719     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
720     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
721     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
722 
723     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
724     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
725     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
726 
727     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
728 }
729 
730 enum {
731     sun4u_id = 0,
732     sun4v_id = 64,
733 };
734 
735 /*
736  * Implementation of an interface to adjust firmware path
737  * for the bootindex property handling.
738  */
739 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
740                                DeviceState *dev)
741 {
742     PCIDevice *pci;
743     IDEBus *ide_bus;
744     IDEState *ide_s;
745     int bus_id;
746 
747     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
748         pci = PCI_DEVICE(dev);
749 
750         if (PCI_FUNC(pci->devfn)) {
751             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
752                                    PCI_FUNC(pci->devfn));
753         } else {
754             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
755         }
756     }
757 
758     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
759          ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
760          ide_s = idebus_active_if(ide_bus);
761          bus_id = ide_bus->bus_id;
762 
763          if (ide_s->drive_kind == IDE_CD) {
764              return g_strdup_printf("ide@%x/cdrom", bus_id);
765          }
766 
767          return g_strdup_printf("ide@%x/disk", bus_id);
768     }
769 
770     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
771         return g_strdup("disk");
772     }
773 
774     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
775         return g_strdup("cdrom");
776     }
777 
778     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
779         return g_strdup("disk");
780     }
781 
782     return NULL;
783 }
784 
785 static const struct hwdef hwdefs[] = {
786     /* Sun4u generic PC-like machine */
787     {
788         .machine_id = sun4u_id,
789         .prom_addr = 0x1fff0000000ULL,
790         .console_serial_base = 0,
791     },
792     /* Sun4v generic PC-like machine */
793     {
794         .machine_id = sun4v_id,
795         .prom_addr = 0x1fff0000000ULL,
796         .console_serial_base = 0,
797     },
798 };
799 
800 /* Sun4u hardware initialisation */
801 static void sun4u_init(MachineState *machine)
802 {
803     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
804 }
805 
806 /* Sun4v hardware initialisation */
807 static void sun4v_init(MachineState *machine)
808 {
809     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
810 }
811 
812 static void sun4u_class_init(ObjectClass *oc, void *data)
813 {
814     MachineClass *mc = MACHINE_CLASS(oc);
815     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
816 
817     mc->desc = "Sun4u platform";
818     mc->init = sun4u_init;
819     mc->block_default_type = IF_IDE;
820     mc->max_cpus = 1; /* XXX for now */
821     mc->is_default = true;
822     mc->default_boot_order = "c";
823     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
824     mc->ignore_boot_device_suffixes = true;
825     mc->default_display = "std";
826     fwc->get_dev_path = sun4u_fw_dev_path;
827 }
828 
829 static const TypeInfo sun4u_type = {
830     .name = MACHINE_TYPE_NAME("sun4u"),
831     .parent = TYPE_MACHINE,
832     .class_init = sun4u_class_init,
833     .interfaces = (InterfaceInfo[]) {
834         { TYPE_FW_PATH_PROVIDER },
835         { }
836     },
837 };
838 
839 static void sun4v_class_init(ObjectClass *oc, void *data)
840 {
841     MachineClass *mc = MACHINE_CLASS(oc);
842 
843     mc->desc = "Sun4v platform";
844     mc->init = sun4v_init;
845     mc->block_default_type = IF_IDE;
846     mc->max_cpus = 1; /* XXX for now */
847     mc->default_boot_order = "c";
848     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
849     mc->default_display = "std";
850 }
851 
852 static const TypeInfo sun4v_type = {
853     .name = MACHINE_TYPE_NAME("sun4v"),
854     .parent = TYPE_MACHINE,
855     .class_init = sun4v_class_init,
856 };
857 
858 static void sun4u_register_types(void)
859 {
860     type_register_static(&power_info);
861     type_register_static(&ebus_info);
862     type_register_static(&prom_info);
863     type_register_static(&ram_info);
864 
865     type_register_static(&sun4u_type);
866     type_register_static(&sun4v_type);
867 }
868 
869 type_init(sun4u_register_types)
870