xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision effd60c8)
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     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0",
364                              pci_address_space_io(pci_dev), 0, 0x1000000);
365     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
366     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1",
367                              pci_address_space_io(pci_dev), 0, 0x8000);
368     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
369 }
370 
371 static Property ebus_properties[] = {
372     DEFINE_PROP_UINT64("console-serial-base", EbusState,
373                        console_serial_base, 0),
374     DEFINE_PROP_END_OF_LIST(),
375 };
376 
377 static void ebus_class_init(ObjectClass *klass, void *data)
378 {
379     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
380     DeviceClass *dc = DEVICE_CLASS(klass);
381 
382     k->realize = ebus_realize;
383     k->vendor_id = PCI_VENDOR_ID_SUN;
384     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
385     k->revision = 0x01;
386     k->class_id = PCI_CLASS_BRIDGE_OTHER;
387     device_class_set_props(dc, ebus_properties);
388 }
389 
390 static const TypeInfo ebus_info = {
391     .name          = TYPE_EBUS,
392     .parent        = TYPE_PCI_DEVICE,
393     .class_init    = ebus_class_init,
394     .instance_size = sizeof(EbusState),
395     .interfaces = (InterfaceInfo[]) {
396         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
397         { },
398     },
399 };
400 
401 #define TYPE_OPENPROM "openprom"
402 typedef struct PROMState PROMState;
403 DECLARE_INSTANCE_CHECKER(PROMState, OPENPROM,
404                          TYPE_OPENPROM)
405 
406 struct PROMState {
407     SysBusDevice parent_obj;
408 
409     MemoryRegion prom;
410 };
411 
412 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
413 {
414     hwaddr *base_addr = (hwaddr *)opaque;
415     return addr + *base_addr - PROM_VADDR;
416 }
417 
418 /* Boot PROM (OpenBIOS) */
419 static void prom_init(hwaddr addr, const char *bios_name)
420 {
421     DeviceState *dev;
422     SysBusDevice *s;
423     char *filename;
424     int ret;
425 
426     dev = qdev_new(TYPE_OPENPROM);
427     s = SYS_BUS_DEVICE(dev);
428     sysbus_realize_and_unref(s, &error_fatal);
429 
430     sysbus_mmio_map(s, 0, addr);
431 
432     /* load boot prom */
433     if (bios_name == NULL) {
434         bios_name = PROM_FILENAME;
435     }
436     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
437     if (filename) {
438         ret = load_elf(filename, NULL, translate_prom_address, &addr,
439                        NULL, NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
440         if (ret < 0 || ret > PROM_SIZE_MAX) {
441             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
442         }
443         g_free(filename);
444     } else {
445         ret = -1;
446     }
447     if (ret < 0 || ret > PROM_SIZE_MAX) {
448         error_report("could not load prom '%s'", bios_name);
449         exit(1);
450     }
451 }
452 
453 static void prom_realize(DeviceState *ds, Error **errp)
454 {
455     PROMState *s = OPENPROM(ds);
456     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
457 
458     if (!memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
459                                           PROM_SIZE_MAX, errp)) {
460         return;
461     }
462 
463     vmstate_register_ram_global(&s->prom);
464     memory_region_set_readonly(&s->prom, true);
465     sysbus_init_mmio(dev, &s->prom);
466 }
467 
468 static Property prom_properties[] = {
469     {/* end of property list */},
470 };
471 
472 static void prom_class_init(ObjectClass *klass, void *data)
473 {
474     DeviceClass *dc = DEVICE_CLASS(klass);
475 
476     device_class_set_props(dc, prom_properties);
477     dc->realize = prom_realize;
478 }
479 
480 static const TypeInfo prom_info = {
481     .name          = TYPE_OPENPROM,
482     .parent        = TYPE_SYS_BUS_DEVICE,
483     .instance_size = sizeof(PROMState),
484     .class_init    = prom_class_init,
485 };
486 
487 
488 #define TYPE_SUN4U_MEMORY "memory"
489 typedef struct RamDevice RamDevice;
490 DECLARE_INSTANCE_CHECKER(RamDevice, SUN4U_RAM,
491                          TYPE_SUN4U_MEMORY)
492 
493 struct RamDevice {
494     SysBusDevice parent_obj;
495 
496     MemoryRegion ram;
497     uint64_t size;
498 };
499 
500 /* System RAM */
501 static void ram_realize(DeviceState *dev, Error **errp)
502 {
503     RamDevice *d = SUN4U_RAM(dev);
504     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
505 
506     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
507                            &error_fatal);
508     vmstate_register_ram_global(&d->ram);
509     sysbus_init_mmio(sbd, &d->ram);
510 }
511 
512 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
513 {
514     DeviceState *dev;
515     SysBusDevice *s;
516     RamDevice *d;
517 
518     /* allocate RAM */
519     dev = qdev_new(TYPE_SUN4U_MEMORY);
520     s = SYS_BUS_DEVICE(dev);
521 
522     d = SUN4U_RAM(dev);
523     d->size = RAM_size;
524     sysbus_realize_and_unref(s, &error_fatal);
525 
526     sysbus_mmio_map(s, 0, addr);
527 }
528 
529 static Property ram_properties[] = {
530     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
531     DEFINE_PROP_END_OF_LIST(),
532 };
533 
534 static void ram_class_init(ObjectClass *klass, void *data)
535 {
536     DeviceClass *dc = DEVICE_CLASS(klass);
537 
538     dc->realize = ram_realize;
539     device_class_set_props(dc, ram_properties);
540 }
541 
542 static const TypeInfo ram_info = {
543     .name          = TYPE_SUN4U_MEMORY,
544     .parent        = TYPE_SYS_BUS_DEVICE,
545     .instance_size = sizeof(RamDevice),
546     .class_init    = ram_class_init,
547 };
548 
549 static void sun4uv_init(MemoryRegion *address_space_mem,
550                         MachineState *machine,
551                         const struct hwdef *hwdef)
552 {
553     MachineClass *mc = MACHINE_GET_CLASS(machine);
554     SPARCCPU *cpu;
555     Nvram *nvram;
556     unsigned int i;
557     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
558     SabreState *sabre;
559     PCIBus *pci_bus, *pci_busA, *pci_busB;
560     PCIDevice *ebus, *pci_dev;
561     SysBusDevice *s;
562     DeviceState *iommu, *dev;
563     FWCfgState *fw_cfg;
564     NICInfo *nd;
565     MACAddr macaddr;
566     bool onboard_nic;
567 
568     /* init CPUs */
569     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
570 
571     /* IOMMU */
572     iommu = qdev_new(TYPE_SUN4U_IOMMU);
573     sysbus_realize_and_unref(SYS_BUS_DEVICE(iommu), &error_fatal);
574 
575     /* set up devices */
576     ram_init(0, machine->ram_size);
577 
578     prom_init(hwdef->prom_addr, machine->firmware);
579 
580     /* Init sabre (PCI host bridge) */
581     sabre = SABRE(qdev_new(TYPE_SABRE));
582     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
583     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
584     object_property_set_link(OBJECT(sabre), "iommu", OBJECT(iommu),
585                              &error_abort);
586     sysbus_realize_and_unref(SYS_BUS_DEVICE(sabre), &error_fatal);
587 
588     /* sabre_config */
589     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 0, PBM_SPECIAL_BASE);
590     /* PCI configuration space */
591     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 1, PBM_SPECIAL_BASE + 0x1000000ULL);
592     /* pci_ioport */
593     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 2, PBM_SPECIAL_BASE + 0x2000000ULL);
594 
595     /* Wire up PCI interrupts to CPU */
596     for (i = 0; i < IVEC_MAX; i++) {
597         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
598             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
599     }
600 
601     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
602     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
603     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
604 
605     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
606        reserved (leaving no slots free after on-board devices) however slots
607        0-3 are free on busB */
608     pci_bus_set_slot_reserved_mask(pci_bus, 0xfffffffc);
609     pci_bus_set_slot_reserved_mask(pci_busA, 0xfffffff1);
610     pci_bus_set_slot_reserved_mask(pci_busB, 0xfffffff0);
611 
612     ebus = pci_new_multifunction(PCI_DEVFN(1, 0), TYPE_EBUS);
613     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
614                          hwdef->console_serial_base);
615     pci_realize_and_unref(ebus, pci_busA, &error_fatal);
616 
617     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
618     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
619         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
620     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
621         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
622     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
623         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
624     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
625         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
626     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
627         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
628 
629     switch (vga_interface_type) {
630     case VGA_STD:
631         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
632         vga_interface_created = true;
633         break;
634     case VGA_NONE:
635         break;
636     default:
637         abort();   /* Should not happen - types are checked in vl.c already */
638     }
639 
640     memset(&macaddr, 0, sizeof(MACAddr));
641     onboard_nic = false;
642     for (i = 0; i < nb_nics; i++) {
643         PCIBus *bus;
644         nd = &nd_table[i];
645 
646         if (!nd->model || strcmp(nd->model, mc->default_nic) == 0) {
647             if (!onboard_nic) {
648                 pci_dev = pci_new_multifunction(PCI_DEVFN(1, 1), mc->default_nic);
649                 bus = pci_busA;
650                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
651                 onboard_nic = true;
652             } else {
653                 pci_dev = pci_new(-1, mc->default_nic);
654                 bus = pci_busB;
655             }
656         } else {
657             pci_dev = pci_new(-1, nd->model);
658             bus = pci_busB;
659         }
660 
661         dev = &pci_dev->qdev;
662         qdev_set_nic_properties(dev, nd);
663         pci_realize_and_unref(pci_dev, bus, &error_fatal);
664     }
665 
666     /* If we don't have an onboard NIC, grab a default MAC address so that
667      * we have a valid machine id */
668     if (!onboard_nic) {
669         qemu_macaddr_default_if_unset(&macaddr);
670     }
671 
672     pci_dev = pci_new(PCI_DEVFN(3, 0), "cmd646-ide");
673     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
674     pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
675     pci_ide_create_devs(pci_dev);
676 
677     /* Map NVRAM into I/O (ebus) space */
678     dev = qdev_new("sysbus-m48t59");
679     qdev_prop_set_int32(dev, "base-year", 1968);
680     s = SYS_BUS_DEVICE(dev);
681     sysbus_realize_and_unref(s, &error_fatal);
682     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
683                                 sysbus_mmio_get_region(s, 0));
684     nvram = NVRAM(dev);
685 
686     initrd_size = 0;
687     initrd_addr = 0;
688     kernel_size = sun4u_load_kernel(machine->kernel_filename,
689                                     machine->initrd_filename,
690                                     machine->ram_size, &initrd_size, &initrd_addr,
691                                     &kernel_addr, &kernel_entry);
692 
693     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
694                            machine->boot_config.order,
695                            kernel_addr, kernel_size,
696                            machine->kernel_cmdline,
697                            initrd_addr, initrd_size,
698                            /* XXX: need an option to load a NVRAM image */
699                            0,
700                            graphic_width, graphic_height, graphic_depth,
701                            (uint8_t *)&macaddr);
702 
703     dev = qdev_new(TYPE_FW_CFG_IO);
704     qdev_prop_set_bit(dev, "dma_enabled", false);
705     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
706     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
707     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
708                                 &FW_CFG_IO(dev)->comb_iomem);
709 
710     fw_cfg = FW_CFG(dev);
711     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
712     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
713     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
714     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
715     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
716     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
717     if (machine->kernel_cmdline) {
718         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
719                        strlen(machine->kernel_cmdline) + 1);
720         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
721     } else {
722         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
723     }
724     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
725     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
726     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_config.order[0]);
727 
728     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
729     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
730     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
731 
732     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
733 }
734 
735 enum {
736     sun4u_id = 0,
737     sun4v_id = 64,
738 };
739 
740 /*
741  * Implementation of an interface to adjust firmware path
742  * for the bootindex property handling.
743  */
744 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
745                                DeviceState *dev)
746 {
747     PCIDevice *pci;
748 
749     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
750         pci = PCI_DEVICE(dev);
751 
752         if (PCI_FUNC(pci->devfn)) {
753             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
754                                    PCI_FUNC(pci->devfn));
755         } else {
756             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
757         }
758     }
759 
760     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
761         return g_strdup("disk");
762     }
763 
764     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
765         return g_strdup("cdrom");
766     }
767 
768     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
769         return g_strdup("disk");
770     }
771 
772     return NULL;
773 }
774 
775 static const struct hwdef hwdefs[] = {
776     /* Sun4u generic PC-like machine */
777     {
778         .machine_id = sun4u_id,
779         .prom_addr = 0x1fff0000000ULL,
780         .console_serial_base = 0,
781     },
782     /* Sun4v generic PC-like machine */
783     {
784         .machine_id = sun4v_id,
785         .prom_addr = 0x1fff0000000ULL,
786         .console_serial_base = 0,
787     },
788 };
789 
790 /* Sun4u hardware initialisation */
791 static void sun4u_init(MachineState *machine)
792 {
793     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
794 }
795 
796 /* Sun4v hardware initialisation */
797 static void sun4v_init(MachineState *machine)
798 {
799     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
800 }
801 
802 static void sun4u_class_init(ObjectClass *oc, void *data)
803 {
804     MachineClass *mc = MACHINE_CLASS(oc);
805     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
806 
807     mc->desc = "Sun4u platform";
808     mc->init = sun4u_init;
809     mc->block_default_type = IF_IDE;
810     mc->max_cpus = 1; /* XXX for now */
811     mc->is_default = true;
812     mc->default_boot_order = "c";
813     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
814     mc->ignore_boot_device_suffixes = true;
815     mc->default_display = "std";
816     mc->default_nic = "sunhme";
817     mc->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
818     fwc->get_dev_path = sun4u_fw_dev_path;
819 }
820 
821 static const TypeInfo sun4u_type = {
822     .name = MACHINE_TYPE_NAME("sun4u"),
823     .parent = TYPE_MACHINE,
824     .class_init = sun4u_class_init,
825     .interfaces = (InterfaceInfo[]) {
826         { TYPE_FW_PATH_PROVIDER },
827         { }
828     },
829 };
830 
831 static void sun4v_class_init(ObjectClass *oc, void *data)
832 {
833     MachineClass *mc = MACHINE_CLASS(oc);
834 
835     mc->desc = "Sun4v platform";
836     mc->init = sun4v_init;
837     mc->block_default_type = IF_IDE;
838     mc->max_cpus = 1; /* XXX for now */
839     mc->default_boot_order = "c";
840     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
841     mc->default_display = "std";
842     mc->default_nic = "sunhme";
843     mc->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
844 }
845 
846 static const TypeInfo sun4v_type = {
847     .name = MACHINE_TYPE_NAME("sun4v"),
848     .parent = TYPE_MACHINE,
849     .class_init = sun4v_class_init,
850 };
851 
852 static void sun4u_register_types(void)
853 {
854     type_register_static(&power_info);
855     type_register_static(&ebus_info);
856     type_register_static(&prom_info);
857     type_register_static(&ram_info);
858 
859     type_register_static(&sun4u_type);
860     type_register_static(&sun4v_type);
861 }
862 
863 type_init(sun4u_register_types)
864