xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision 4c4465ff)
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 "qemu/datadir.h"
31 #include "cpu.h"
32 #include "hw/pci/pci.h"
33 #include "hw/pci/pci_bridge.h"
34 #include "hw/pci/pci_bus.h"
35 #include "hw/pci/pci_host.h"
36 #include "hw/qdev-properties.h"
37 #include "hw/pci-host/sabre.h"
38 #include "hw/char/serial.h"
39 #include "hw/char/parallel.h"
40 #include "hw/rtc/m48t59.h"
41 #include "migration/vmstate.h"
42 #include "hw/input/i8042.h"
43 #include "hw/block/fdc.h"
44 #include "net/net.h"
45 #include "qemu/timer.h"
46 #include "sysemu/runstate.h"
47 #include "sysemu/sysemu.h"
48 #include "hw/boards.h"
49 #include "hw/nvram/sun_nvram.h"
50 #include "hw/nvram/chrp_nvram.h"
51 #include "hw/sparc/sparc64.h"
52 #include "hw/nvram/fw_cfg.h"
53 #include "hw/sysbus.h"
54 #include "hw/ide/pci.h"
55 #include "hw/loader.h"
56 #include "hw/fw-path-provider.h"
57 #include "elf.h"
58 #include "trace.h"
59 #include "qom/object.h"
60 
61 #define KERNEL_LOAD_ADDR     0x00404000
62 #define CMDLINE_ADDR         0x003ff000
63 #define PROM_SIZE_MAX        (4 * MiB)
64 #define PROM_VADDR           0x000ffd00000ULL
65 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
66 #define PBM_MEM_BASE         0x1ff00000000ULL
67 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
68 #define PROM_FILENAME        "openbios-sparc64"
69 #define NVRAM_SIZE           0x2000
70 #define MAX_IDE_BUS          2
71 #define BIOS_CFG_IOPORT      0x510
72 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
73 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
74 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
75 
76 #define IVEC_MAX             0x40
77 
78 struct hwdef {
79     uint16_t machine_id;
80     uint64_t prom_addr;
81     uint64_t console_serial_base;
82 };
83 
84 struct EbusState {
85     /*< private >*/
86     PCIDevice parent_obj;
87 
88     ISABus *isa_bus;
89     qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
90     uint64_t console_serial_base;
91     MemoryRegion bar0;
92     MemoryRegion bar1;
93 };
94 
95 #define TYPE_EBUS "ebus"
96 OBJECT_DECLARE_SIMPLE_TYPE(EbusState, EBUS)
97 
98 const char *fw_cfg_arch_key_name(uint16_t key)
99 {
100     static const struct {
101         uint16_t key;
102         const char *name;
103     } fw_cfg_arch_wellknown_keys[] = {
104         {FW_CFG_SPARC64_WIDTH, "width"},
105         {FW_CFG_SPARC64_HEIGHT, "height"},
106         {FW_CFG_SPARC64_DEPTH, "depth"},
107     };
108 
109     for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
110         if (fw_cfg_arch_wellknown_keys[i].key == key) {
111             return fw_cfg_arch_wellknown_keys[i].name;
112         }
113     }
114     return NULL;
115 }
116 
117 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
118                             Error **errp)
119 {
120     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
121 }
122 
123 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
124                                   const char *arch, ram_addr_t RAM_size,
125                                   const char *boot_devices,
126                                   uint32_t kernel_image, uint32_t kernel_size,
127                                   const char *cmdline,
128                                   uint32_t initrd_image, uint32_t initrd_size,
129                                   uint32_t NVRAM_image,
130                                   int width, int height, int depth,
131                                   const uint8_t *macaddr)
132 {
133     unsigned int i;
134     int sysp_end;
135     uint8_t image[0x1ff0];
136     NvramClass *k = NVRAM_GET_CLASS(nvram);
137 
138     memset(image, '\0', sizeof(image));
139 
140     /* OpenBIOS nvram variables partition */
141     sysp_end = chrp_nvram_create_system_partition(image, 0, 0x1fd0);
142 
143     /* Free space partition */
144     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
145 
146     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
147 
148     for (i = 0; i < sizeof(image); i++) {
149         (k->write)(nvram, i, image[i]);
150     }
151 
152     return 0;
153 }
154 
155 static uint64_t sun4u_load_kernel(const char *kernel_filename,
156                                   const char *initrd_filename,
157                                   ram_addr_t RAM_size, uint64_t *initrd_size,
158                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
159                                   uint64_t *kernel_entry)
160 {
161     int linux_boot;
162     unsigned int i;
163     long kernel_size;
164     uint8_t *ptr;
165     uint64_t kernel_top = 0;
166 
167     linux_boot = (kernel_filename != NULL);
168 
169     kernel_size = 0;
170     if (linux_boot) {
171         int bswap_needed;
172 
173 #ifdef BSWAP_NEEDED
174         bswap_needed = 1;
175 #else
176         bswap_needed = 0;
177 #endif
178         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
179                                kernel_addr, &kernel_top, NULL, 1, EM_SPARCV9, 0,
180                                0);
181         if (kernel_size < 0) {
182             *kernel_addr = KERNEL_LOAD_ADDR;
183             *kernel_entry = KERNEL_LOAD_ADDR;
184             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
185                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
186                                     TARGET_PAGE_SIZE);
187         }
188         if (kernel_size < 0) {
189             kernel_size = load_image_targphys(kernel_filename,
190                                               KERNEL_LOAD_ADDR,
191                                               RAM_size - KERNEL_LOAD_ADDR);
192         }
193         if (kernel_size < 0) {
194             error_report("could not load kernel '%s'", kernel_filename);
195             exit(1);
196         }
197         /* load initrd above kernel */
198         *initrd_size = 0;
199         if (initrd_filename && kernel_top) {
200             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
201 
202             *initrd_size = load_image_targphys(initrd_filename,
203                                                *initrd_addr,
204                                                RAM_size - *initrd_addr);
205             if ((int)*initrd_size < 0) {
206                 error_report("could not load initial ram disk '%s'",
207                              initrd_filename);
208                 exit(1);
209             }
210         }
211         if (*initrd_size > 0) {
212             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
213                 ptr = rom_ptr(*kernel_addr + i, 32);
214                 if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
215                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
216                     stl_p(ptr + 28, *initrd_size);
217                     break;
218                 }
219             }
220         }
221     }
222     return kernel_size;
223 }
224 
225 typedef struct ResetData {
226     SPARCCPU *cpu;
227     uint64_t prom_addr;
228 } ResetData;
229 
230 #define TYPE_SUN4U_POWER "power"
231 OBJECT_DECLARE_SIMPLE_TYPE(PowerDevice, SUN4U_POWER)
232 
233 struct PowerDevice {
234     SysBusDevice parent_obj;
235 
236     MemoryRegion power_mmio;
237 };
238 
239 /* Power */
240 static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
241 {
242     return 0;
243 }
244 
245 static void power_mem_write(void *opaque, hwaddr addr,
246                             uint64_t val, unsigned size)
247 {
248     /* According to a real Ultra 5, bit 24 controls the power */
249     if (val & 0x1000000) {
250         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
251     }
252 }
253 
254 static const MemoryRegionOps power_mem_ops = {
255     .read = power_mem_read,
256     .write = power_mem_write,
257     .endianness = DEVICE_NATIVE_ENDIAN,
258     .valid = {
259         .min_access_size = 4,
260         .max_access_size = 4,
261     },
262 };
263 
264 static void power_realize(DeviceState *dev, Error **errp)
265 {
266     PowerDevice *d = SUN4U_POWER(dev);
267     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
268 
269     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
270                           "power", sizeof(uint32_t));
271 
272     sysbus_init_mmio(sbd, &d->power_mmio);
273 }
274 
275 static void power_class_init(ObjectClass *klass, void *data)
276 {
277     DeviceClass *dc = DEVICE_CLASS(klass);
278 
279     dc->realize = power_realize;
280 }
281 
282 static const TypeInfo power_info = {
283     .name          = TYPE_SUN4U_POWER,
284     .parent        = TYPE_SYS_BUS_DEVICE,
285     .instance_size = sizeof(PowerDevice),
286     .class_init    = power_class_init,
287 };
288 
289 static void ebus_isa_irq_handler(void *opaque, int n, int level)
290 {
291     EbusState *s = EBUS(opaque);
292     qemu_irq irq = s->isa_bus_irqs[n];
293 
294     /* Pass ISA bus IRQs onto their gpio equivalent */
295     trace_ebus_isa_irq_handler(n, level);
296     if (irq) {
297         qemu_set_irq(irq, level);
298     }
299 }
300 
301 /* EBUS (Eight bit bus) bridge */
302 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
303 {
304     EbusState *s = EBUS(pci_dev);
305     ISADevice *isa_dev;
306     SysBusDevice *sbd;
307     DeviceState *dev;
308     qemu_irq *isa_irq;
309     DriveInfo *fd[MAX_FD];
310     int i;
311 
312     s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
313                              pci_address_space_io(pci_dev), errp);
314     if (!s->isa_bus) {
315         error_setg(errp, "unable to instantiate EBUS ISA bus");
316         return;
317     }
318 
319     /* ISA bus */
320     isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
321     isa_bus_irqs(s->isa_bus, isa_irq);
322     qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
323                              ISA_NUM_IRQS);
324 
325     /* Serial ports */
326     i = 0;
327     if (s->console_serial_base) {
328         serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
329                        0, NULL, 115200, serial_hd(i), DEVICE_BIG_ENDIAN);
330         i++;
331     }
332     serial_hds_isa_init(s->isa_bus, i, MAX_ISA_SERIAL_PORTS);
333 
334     /* Parallel ports */
335     parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
336 
337     /* Keyboard */
338     isa_create_simple(s->isa_bus, "i8042");
339 
340     /* Floppy */
341     for (i = 0; i < MAX_FD; i++) {
342         fd[i] = drive_get(IF_FLOPPY, 0, i);
343     }
344     isa_dev = isa_new(TYPE_ISA_FDC);
345     dev = DEVICE(isa_dev);
346     qdev_prop_set_uint32(dev, "dma", -1);
347     isa_realize_and_unref(isa_dev, s->isa_bus, &error_fatal);
348     isa_fdc_init_drives(isa_dev, fd);
349 
350     /* Power */
351     dev = qdev_new(TYPE_SUN4U_POWER);
352     sbd = SYS_BUS_DEVICE(dev);
353     sysbus_realize_and_unref(sbd, &error_fatal);
354     memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
355                                 sysbus_mmio_get_region(sbd, 0));
356 
357     /* PCI */
358     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
359     pci_dev->config[0x05] = 0x00;
360     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
361     pci_dev->config[0x07] = 0x03; // status = medium devsel
362     pci_dev->config[0x09] = 0x00; // programming i/f
363     pci_dev->config[0x0D] = 0x0a; // latency_timer
364 
365     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
366                              0, 0x1000000);
367     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
368     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
369                              0, 0x8000);
370     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
371 }
372 
373 static Property ebus_properties[] = {
374     DEFINE_PROP_UINT64("console-serial-base", EbusState,
375                        console_serial_base, 0),
376     DEFINE_PROP_END_OF_LIST(),
377 };
378 
379 static void ebus_class_init(ObjectClass *klass, void *data)
380 {
381     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
382     DeviceClass *dc = DEVICE_CLASS(klass);
383 
384     k->realize = ebus_realize;
385     k->vendor_id = PCI_VENDOR_ID_SUN;
386     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
387     k->revision = 0x01;
388     k->class_id = PCI_CLASS_BRIDGE_OTHER;
389     device_class_set_props(dc, ebus_properties);
390 }
391 
392 static const TypeInfo ebus_info = {
393     .name          = TYPE_EBUS,
394     .parent        = TYPE_PCI_DEVICE,
395     .class_init    = ebus_class_init,
396     .instance_size = sizeof(EbusState),
397     .interfaces = (InterfaceInfo[]) {
398         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
399         { },
400     },
401 };
402 
403 #define TYPE_OPENPROM "openprom"
404 typedef struct PROMState PROMState;
405 DECLARE_INSTANCE_CHECKER(PROMState, OPENPROM,
406                          TYPE_OPENPROM)
407 
408 struct PROMState {
409     SysBusDevice parent_obj;
410 
411     MemoryRegion prom;
412 };
413 
414 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
415 {
416     hwaddr *base_addr = (hwaddr *)opaque;
417     return addr + *base_addr - PROM_VADDR;
418 }
419 
420 /* Boot PROM (OpenBIOS) */
421 static void prom_init(hwaddr addr, const char *bios_name)
422 {
423     DeviceState *dev;
424     SysBusDevice *s;
425     char *filename;
426     int ret;
427 
428     dev = qdev_new(TYPE_OPENPROM);
429     s = SYS_BUS_DEVICE(dev);
430     sysbus_realize_and_unref(s, &error_fatal);
431 
432     sysbus_mmio_map(s, 0, addr);
433 
434     /* load boot prom */
435     if (bios_name == NULL) {
436         bios_name = PROM_FILENAME;
437     }
438     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
439     if (filename) {
440         ret = load_elf(filename, NULL, translate_prom_address, &addr,
441                        NULL, NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
442         if (ret < 0 || ret > PROM_SIZE_MAX) {
443             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
444         }
445         g_free(filename);
446     } else {
447         ret = -1;
448     }
449     if (ret < 0 || ret > PROM_SIZE_MAX) {
450         error_report("could not load prom '%s'", bios_name);
451         exit(1);
452     }
453 }
454 
455 static void prom_realize(DeviceState *ds, Error **errp)
456 {
457     PROMState *s = OPENPROM(ds);
458     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
459     Error *local_err = NULL;
460 
461     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
462                                      PROM_SIZE_MAX, &local_err);
463     if (local_err) {
464         error_propagate(errp, local_err);
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     SPARCCPU *cpu;
559     Nvram *nvram;
560     unsigned int i;
561     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
562     SabreState *sabre;
563     PCIBus *pci_bus, *pci_busA, *pci_busB;
564     PCIDevice *ebus, *pci_dev;
565     SysBusDevice *s;
566     DeviceState *iommu, *dev;
567     FWCfgState *fw_cfg;
568     NICInfo *nd;
569     MACAddr macaddr;
570     bool onboard_nic;
571 
572     /* init CPUs */
573     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
574 
575     /* IOMMU */
576     iommu = qdev_new(TYPE_SUN4U_IOMMU);
577     sysbus_realize_and_unref(SYS_BUS_DEVICE(iommu), &error_fatal);
578 
579     /* set up devices */
580     ram_init(0, machine->ram_size);
581 
582     prom_init(hwdef->prom_addr, machine->firmware);
583 
584     /* Init sabre (PCI host bridge) */
585     sabre = SABRE(qdev_new(TYPE_SABRE));
586     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
587     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
588     object_property_set_link(OBJECT(sabre), "iommu", OBJECT(iommu),
589                              &error_abort);
590     sysbus_realize_and_unref(SYS_BUS_DEVICE(sabre), &error_fatal);
591 
592     /* sabre_config */
593     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 0, PBM_SPECIAL_BASE);
594     /* PCI configuration space */
595     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 1, PBM_SPECIAL_BASE + 0x1000000ULL);
596     /* pci_ioport */
597     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 2, PBM_SPECIAL_BASE + 0x2000000ULL);
598 
599     /* Wire up PCI interrupts to CPU */
600     for (i = 0; i < IVEC_MAX; i++) {
601         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
602             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
603     }
604 
605     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
606     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
607     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
608 
609     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
610        reserved (leaving no slots free after on-board devices) however slots
611        0-3 are free on busB */
612     pci_bus->slot_reserved_mask = 0xfffffffc;
613     pci_busA->slot_reserved_mask = 0xfffffff1;
614     pci_busB->slot_reserved_mask = 0xfffffff0;
615 
616     ebus = pci_new_multifunction(PCI_DEVFN(1, 0), true, TYPE_EBUS);
617     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
618                          hwdef->console_serial_base);
619     pci_realize_and_unref(ebus, pci_busA, &error_fatal);
620 
621     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
622     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
623         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
624     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
625         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
626     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
627         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
628     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
629         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
630     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
631         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
632 
633     switch (vga_interface_type) {
634     case VGA_STD:
635         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
636         break;
637     case VGA_NONE:
638         break;
639     default:
640         abort();   /* Should not happen - types are checked in vl.c already */
641     }
642 
643     memset(&macaddr, 0, sizeof(MACAddr));
644     onboard_nic = false;
645     for (i = 0; i < nb_nics; i++) {
646         PCIBus *bus;
647         nd = &nd_table[i];
648 
649         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
650             if (!onboard_nic) {
651                 pci_dev = pci_new_multifunction(PCI_DEVFN(1, 1),
652                                                    true, "sunhme");
653                 bus = pci_busA;
654                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
655                 onboard_nic = true;
656             } else {
657                 pci_dev = pci_new(-1, "sunhme");
658                 bus = pci_busB;
659             }
660         } else {
661             pci_dev = pci_new(-1, nd->model);
662             bus = pci_busB;
663         }
664 
665         dev = &pci_dev->qdev;
666         qdev_set_nic_properties(dev, nd);
667         pci_realize_and_unref(pci_dev, bus, &error_fatal);
668     }
669 
670     /* If we don't have an onboard NIC, grab a default MAC address so that
671      * we have a valid machine id */
672     if (!onboard_nic) {
673         qemu_macaddr_default_if_unset(&macaddr);
674     }
675 
676     pci_dev = pci_new(PCI_DEVFN(3, 0), "cmd646-ide");
677     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
678     pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
679     pci_ide_create_devs(pci_dev);
680 
681     /* Map NVRAM into I/O (ebus) space */
682     dev = qdev_new("sysbus-m48t59");
683     qdev_prop_set_int32(dev, "base-year", 1968);
684     s = SYS_BUS_DEVICE(dev);
685     sysbus_realize_and_unref(s, &error_fatal);
686     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
687                                 sysbus_mmio_get_region(s, 0));
688     nvram = NVRAM(dev);
689 
690     initrd_size = 0;
691     initrd_addr = 0;
692     kernel_size = sun4u_load_kernel(machine->kernel_filename,
693                                     machine->initrd_filename,
694                                     machine->ram_size, &initrd_size, &initrd_addr,
695                                     &kernel_addr, &kernel_entry);
696 
697     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
698                            machine->boot_order,
699                            kernel_addr, kernel_size,
700                            machine->kernel_cmdline,
701                            initrd_addr, initrd_size,
702                            /* XXX: need an option to load a NVRAM image */
703                            0,
704                            graphic_width, graphic_height, graphic_depth,
705                            (uint8_t *)&macaddr);
706 
707     dev = qdev_new(TYPE_FW_CFG_IO);
708     qdev_prop_set_bit(dev, "dma_enabled", false);
709     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
710     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
711     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
712                                 &FW_CFG_IO(dev)->comb_iomem);
713 
714     fw_cfg = FW_CFG(dev);
715     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
716     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
717     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
718     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
719     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
720     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
721     if (machine->kernel_cmdline) {
722         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
723                        strlen(machine->kernel_cmdline) + 1);
724         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
725     } else {
726         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
727     }
728     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
729     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
730     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
731 
732     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
733     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
734     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
735 
736     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
737 }
738 
739 enum {
740     sun4u_id = 0,
741     sun4v_id = 64,
742 };
743 
744 /*
745  * Implementation of an interface to adjust firmware path
746  * for the bootindex property handling.
747  */
748 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
749                                DeviceState *dev)
750 {
751     PCIDevice *pci;
752     IDEBus *ide_bus;
753     IDEState *ide_s;
754     int bus_id;
755 
756     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
757         pci = PCI_DEVICE(dev);
758 
759         if (PCI_FUNC(pci->devfn)) {
760             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
761                                    PCI_FUNC(pci->devfn));
762         } else {
763             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
764         }
765     }
766 
767     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
768          ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
769          ide_s = idebus_active_if(ide_bus);
770          bus_id = ide_bus->bus_id;
771 
772          if (ide_s->drive_kind == IDE_CD) {
773              return g_strdup_printf("ide@%x/cdrom", bus_id);
774          }
775 
776          return g_strdup_printf("ide@%x/disk", bus_id);
777     }
778 
779     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
780         return g_strdup("disk");
781     }
782 
783     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
784         return g_strdup("cdrom");
785     }
786 
787     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
788         return g_strdup("disk");
789     }
790 
791     return NULL;
792 }
793 
794 static const struct hwdef hwdefs[] = {
795     /* Sun4u generic PC-like machine */
796     {
797         .machine_id = sun4u_id,
798         .prom_addr = 0x1fff0000000ULL,
799         .console_serial_base = 0,
800     },
801     /* Sun4v generic PC-like machine */
802     {
803         .machine_id = sun4v_id,
804         .prom_addr = 0x1fff0000000ULL,
805         .console_serial_base = 0,
806     },
807 };
808 
809 /* Sun4u hardware initialisation */
810 static void sun4u_init(MachineState *machine)
811 {
812     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
813 }
814 
815 /* Sun4v hardware initialisation */
816 static void sun4v_init(MachineState *machine)
817 {
818     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
819 }
820 
821 static void sun4u_class_init(ObjectClass *oc, void *data)
822 {
823     MachineClass *mc = MACHINE_CLASS(oc);
824     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
825 
826     mc->desc = "Sun4u platform";
827     mc->init = sun4u_init;
828     mc->block_default_type = IF_IDE;
829     mc->max_cpus = 1; /* XXX for now */
830     mc->is_default = true;
831     mc->default_boot_order = "c";
832     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
833     mc->ignore_boot_device_suffixes = true;
834     mc->default_display = "std";
835     fwc->get_dev_path = sun4u_fw_dev_path;
836 }
837 
838 static const TypeInfo sun4u_type = {
839     .name = MACHINE_TYPE_NAME("sun4u"),
840     .parent = TYPE_MACHINE,
841     .class_init = sun4u_class_init,
842     .interfaces = (InterfaceInfo[]) {
843         { TYPE_FW_PATH_PROVIDER },
844         { }
845     },
846 };
847 
848 static void sun4v_class_init(ObjectClass *oc, void *data)
849 {
850     MachineClass *mc = MACHINE_CLASS(oc);
851 
852     mc->desc = "Sun4v platform";
853     mc->init = sun4v_init;
854     mc->block_default_type = IF_IDE;
855     mc->max_cpus = 1; /* XXX for now */
856     mc->default_boot_order = "c";
857     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
858     mc->default_display = "std";
859 }
860 
861 static const TypeInfo sun4v_type = {
862     .name = MACHINE_TYPE_NAME("sun4v"),
863     .parent = TYPE_MACHINE,
864     .class_init = sun4v_class_init,
865 };
866 
867 static void sun4u_register_types(void)
868 {
869     type_register_static(&power_info);
870     type_register_static(&ebus_info);
871     type_register_static(&prom_info);
872     type_register_static(&ram_info);
873 
874     type_register_static(&sun4u_type);
875     type_register_static(&sun4v_type);
876 }
877 
878 type_init(sun4u_register_types)
879