xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision 6031ff8b0ad0feee58cd46ebb0c8d2a6a48d616e)
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 #include "qemu/osdep.h"
25 #include "qemu/units.h"
26 #include "qemu/error-report.h"
27 #include "qapi/error.h"
28 #include "qemu-common.h"
29 #include "cpu.h"
30 #include "hw/hw.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/pci-host/sabre.h"
36 #include "hw/i386/pc.h"
37 #include "hw/char/serial.h"
38 #include "hw/char/parallel.h"
39 #include "hw/timer/m48t59.h"
40 #include "hw/input/i8042.h"
41 #include "hw/block/fdc.h"
42 #include "net/net.h"
43 #include "qemu/timer.h"
44 #include "sysemu/sysemu.h"
45 #include "hw/boards.h"
46 #include "hw/nvram/sun_nvram.h"
47 #include "hw/nvram/chrp_nvram.h"
48 #include "hw/sparc/sparc64.h"
49 #include "hw/nvram/fw_cfg.h"
50 #include "hw/sysbus.h"
51 #include "hw/ide.h"
52 #include "hw/ide/pci.h"
53 #include "hw/loader.h"
54 #include "hw/fw-path-provider.h"
55 #include "elf.h"
56 #include "trace.h"
57 
58 #define KERNEL_LOAD_ADDR     0x00404000
59 #define CMDLINE_ADDR         0x003ff000
60 #define PROM_SIZE_MAX        (4 * MiB)
61 #define PROM_VADDR           0x000ffd00000ULL
62 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
63 #define PBM_MEM_BASE         0x1ff00000000ULL
64 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
65 #define PROM_FILENAME        "openbios-sparc64"
66 #define NVRAM_SIZE           0x2000
67 #define MAX_IDE_BUS          2
68 #define BIOS_CFG_IOPORT      0x510
69 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
70 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
71 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
72 
73 #define IVEC_MAX             0x40
74 
75 struct hwdef {
76     uint16_t machine_id;
77     uint64_t prom_addr;
78     uint64_t console_serial_base;
79 };
80 
81 typedef struct EbusState {
82     /*< private >*/
83     PCIDevice parent_obj;
84 
85     ISABus *isa_bus;
86     qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
87     uint64_t console_serial_base;
88     MemoryRegion bar0;
89     MemoryRegion bar1;
90 } EbusState;
91 
92 #define TYPE_EBUS "ebus"
93 #define EBUS(obj) OBJECT_CHECK(EbusState, (obj), TYPE_EBUS)
94 
95 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
96                             Error **errp)
97 {
98     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
99 }
100 
101 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
102                                   const char *arch, ram_addr_t RAM_size,
103                                   const char *boot_devices,
104                                   uint32_t kernel_image, uint32_t kernel_size,
105                                   const char *cmdline,
106                                   uint32_t initrd_image, uint32_t initrd_size,
107                                   uint32_t NVRAM_image,
108                                   int width, int height, int depth,
109                                   const uint8_t *macaddr)
110 {
111     unsigned int i;
112     int sysp_end;
113     uint8_t image[0x1ff0];
114     NvramClass *k = NVRAM_GET_CLASS(nvram);
115 
116     memset(image, '\0', sizeof(image));
117 
118     /* OpenBIOS nvram variables partition */
119     sysp_end = chrp_nvram_create_system_partition(image, 0);
120 
121     /* Free space partition */
122     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
123 
124     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
125 
126     for (i = 0; i < sizeof(image); i++) {
127         (k->write)(nvram, i, image[i]);
128     }
129 
130     return 0;
131 }
132 
133 static uint64_t sun4u_load_kernel(const char *kernel_filename,
134                                   const char *initrd_filename,
135                                   ram_addr_t RAM_size, uint64_t *initrd_size,
136                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
137                                   uint64_t *kernel_entry)
138 {
139     int linux_boot;
140     unsigned int i;
141     long kernel_size;
142     uint8_t *ptr;
143     uint64_t kernel_top = 0;
144 
145     linux_boot = (kernel_filename != NULL);
146 
147     kernel_size = 0;
148     if (linux_boot) {
149         int bswap_needed;
150 
151 #ifdef BSWAP_NEEDED
152         bswap_needed = 1;
153 #else
154         bswap_needed = 0;
155 #endif
156         kernel_size = load_elf(kernel_filename, NULL, NULL, kernel_entry,
157                                kernel_addr, &kernel_top, 1, EM_SPARCV9, 0, 0);
158         if (kernel_size < 0) {
159             *kernel_addr = KERNEL_LOAD_ADDR;
160             *kernel_entry = KERNEL_LOAD_ADDR;
161             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
162                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
163                                     TARGET_PAGE_SIZE);
164         }
165         if (kernel_size < 0) {
166             kernel_size = load_image_targphys(kernel_filename,
167                                               KERNEL_LOAD_ADDR,
168                                               RAM_size - KERNEL_LOAD_ADDR);
169         }
170         if (kernel_size < 0) {
171             error_report("could not load kernel '%s'", kernel_filename);
172             exit(1);
173         }
174         /* load initrd above kernel */
175         *initrd_size = 0;
176         if (initrd_filename && kernel_top) {
177             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
178 
179             *initrd_size = load_image_targphys(initrd_filename,
180                                                *initrd_addr,
181                                                RAM_size - *initrd_addr);
182             if ((int)*initrd_size < 0) {
183                 error_report("could not load initial ram disk '%s'",
184                              initrd_filename);
185                 exit(1);
186             }
187         }
188         if (*initrd_size > 0) {
189             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
190                 ptr = rom_ptr(*kernel_addr + i, 32);
191                 if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
192                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
193                     stl_p(ptr + 28, *initrd_size);
194                     break;
195                 }
196             }
197         }
198     }
199     return kernel_size;
200 }
201 
202 typedef struct ResetData {
203     SPARCCPU *cpu;
204     uint64_t prom_addr;
205 } ResetData;
206 
207 #define TYPE_SUN4U_POWER "power"
208 #define SUN4U_POWER(obj) OBJECT_CHECK(PowerDevice, (obj), TYPE_SUN4U_POWER)
209 
210 typedef struct PowerDevice {
211     SysBusDevice parent_obj;
212 
213     MemoryRegion power_mmio;
214 } PowerDevice;
215 
216 /* Power */
217 static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
218 {
219     return 0;
220 }
221 
222 static void power_mem_write(void *opaque, hwaddr addr,
223                             uint64_t val, unsigned size)
224 {
225     /* According to a real Ultra 5, bit 24 controls the power */
226     if (val & 0x1000000) {
227         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
228     }
229 }
230 
231 static const MemoryRegionOps power_mem_ops = {
232     .read = power_mem_read,
233     .write = power_mem_write,
234     .endianness = DEVICE_NATIVE_ENDIAN,
235     .valid = {
236         .min_access_size = 4,
237         .max_access_size = 4,
238     },
239 };
240 
241 static void power_realize(DeviceState *dev, Error **errp)
242 {
243     PowerDevice *d = SUN4U_POWER(dev);
244     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
245 
246     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
247                           "power", sizeof(uint32_t));
248 
249     sysbus_init_mmio(sbd, &d->power_mmio);
250 }
251 
252 static void power_class_init(ObjectClass *klass, void *data)
253 {
254     DeviceClass *dc = DEVICE_CLASS(klass);
255 
256     dc->realize = power_realize;
257 }
258 
259 static const TypeInfo power_info = {
260     .name          = TYPE_SUN4U_POWER,
261     .parent        = TYPE_SYS_BUS_DEVICE,
262     .instance_size = sizeof(PowerDevice),
263     .class_init    = power_class_init,
264 };
265 
266 static void ebus_isa_irq_handler(void *opaque, int n, int level)
267 {
268     EbusState *s = EBUS(opaque);
269     qemu_irq irq = s->isa_bus_irqs[n];
270 
271     /* Pass ISA bus IRQs onto their gpio equivalent */
272     trace_ebus_isa_irq_handler(n, level);
273     if (irq) {
274         qemu_set_irq(irq, level);
275     }
276 }
277 
278 /* EBUS (Eight bit bus) bridge */
279 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
280 {
281     EbusState *s = EBUS(pci_dev);
282     SysBusDevice *sbd;
283     DeviceState *dev;
284     qemu_irq *isa_irq;
285     DriveInfo *fd[MAX_FD];
286     int i;
287 
288     s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
289                              pci_address_space_io(pci_dev), errp);
290     if (!s->isa_bus) {
291         error_setg(errp, "unable to instantiate EBUS ISA bus");
292         return;
293     }
294 
295     /* ISA bus */
296     isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
297     isa_bus_irqs(s->isa_bus, isa_irq);
298     qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
299                              ISA_NUM_IRQS);
300 
301     /* Serial ports */
302     i = 0;
303     if (s->console_serial_base) {
304         serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
305                        0, NULL, 115200, serial_hd(i), DEVICE_BIG_ENDIAN);
306         i++;
307     }
308     serial_hds_isa_init(s->isa_bus, i, MAX_ISA_SERIAL_PORTS);
309 
310     /* Parallel ports */
311     parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
312 
313     /* Keyboard */
314     isa_create_simple(s->isa_bus, "i8042");
315 
316     /* Floppy */
317     for (i = 0; i < MAX_FD; i++) {
318         fd[i] = drive_get(IF_FLOPPY, 0, i);
319     }
320     dev = DEVICE(isa_create(s->isa_bus, TYPE_ISA_FDC));
321     if (fd[0]) {
322         qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
323                             &error_abort);
324     }
325     if (fd[1]) {
326         qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
327                             &error_abort);
328     }
329     qdev_prop_set_uint32(dev, "dma", -1);
330     qdev_init_nofail(dev);
331 
332     /* Power */
333     dev = qdev_create(NULL, TYPE_SUN4U_POWER);
334     qdev_init_nofail(dev);
335     sbd = SYS_BUS_DEVICE(dev);
336     memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
337                                 sysbus_mmio_get_region(sbd, 0));
338 
339     /* PCI */
340     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
341     pci_dev->config[0x05] = 0x00;
342     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
343     pci_dev->config[0x07] = 0x03; // status = medium devsel
344     pci_dev->config[0x09] = 0x00; // programming i/f
345     pci_dev->config[0x0D] = 0x0a; // latency_timer
346 
347     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
348                              0, 0x1000000);
349     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
350     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
351                              0, 0x8000);
352     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
353 }
354 
355 static Property ebus_properties[] = {
356     DEFINE_PROP_UINT64("console-serial-base", EbusState,
357                        console_serial_base, 0),
358     DEFINE_PROP_END_OF_LIST(),
359 };
360 
361 static void ebus_class_init(ObjectClass *klass, void *data)
362 {
363     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
364     DeviceClass *dc = DEVICE_CLASS(klass);
365 
366     k->realize = ebus_realize;
367     k->vendor_id = PCI_VENDOR_ID_SUN;
368     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
369     k->revision = 0x01;
370     k->class_id = PCI_CLASS_BRIDGE_OTHER;
371     dc->props = ebus_properties;
372 }
373 
374 static const TypeInfo ebus_info = {
375     .name          = TYPE_EBUS,
376     .parent        = TYPE_PCI_DEVICE,
377     .class_init    = ebus_class_init,
378     .instance_size = sizeof(EbusState),
379     .interfaces = (InterfaceInfo[]) {
380         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
381         { },
382     },
383 };
384 
385 #define TYPE_OPENPROM "openprom"
386 #define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
387 
388 typedef struct PROMState {
389     SysBusDevice parent_obj;
390 
391     MemoryRegion prom;
392 } PROMState;
393 
394 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
395 {
396     hwaddr *base_addr = (hwaddr *)opaque;
397     return addr + *base_addr - PROM_VADDR;
398 }
399 
400 /* Boot PROM (OpenBIOS) */
401 static void prom_init(hwaddr addr, const char *bios_name)
402 {
403     DeviceState *dev;
404     SysBusDevice *s;
405     char *filename;
406     int ret;
407 
408     dev = qdev_create(NULL, TYPE_OPENPROM);
409     qdev_init_nofail(dev);
410     s = SYS_BUS_DEVICE(dev);
411 
412     sysbus_mmio_map(s, 0, addr);
413 
414     /* load boot prom */
415     if (bios_name == NULL) {
416         bios_name = PROM_FILENAME;
417     }
418     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
419     if (filename) {
420         ret = load_elf(filename, translate_prom_address, &addr,
421                        NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
422         if (ret < 0 || ret > PROM_SIZE_MAX) {
423             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
424         }
425         g_free(filename);
426     } else {
427         ret = -1;
428     }
429     if (ret < 0 || ret > PROM_SIZE_MAX) {
430         error_report("could not load prom '%s'", bios_name);
431         exit(1);
432     }
433 }
434 
435 static void prom_realize(DeviceState *ds, Error **errp)
436 {
437     PROMState *s = OPENPROM(ds);
438     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
439     Error *local_err = NULL;
440 
441     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
442                                      PROM_SIZE_MAX, &local_err);
443     if (local_err) {
444         error_propagate(errp, local_err);
445         return;
446     }
447 
448     vmstate_register_ram_global(&s->prom);
449     memory_region_set_readonly(&s->prom, true);
450     sysbus_init_mmio(dev, &s->prom);
451 }
452 
453 static Property prom_properties[] = {
454     {/* end of property list */},
455 };
456 
457 static void prom_class_init(ObjectClass *klass, void *data)
458 {
459     DeviceClass *dc = DEVICE_CLASS(klass);
460 
461     dc->props = prom_properties;
462     dc->realize = prom_realize;
463 }
464 
465 static const TypeInfo prom_info = {
466     .name          = TYPE_OPENPROM,
467     .parent        = TYPE_SYS_BUS_DEVICE,
468     .instance_size = sizeof(PROMState),
469     .class_init    = prom_class_init,
470 };
471 
472 
473 #define TYPE_SUN4U_MEMORY "memory"
474 #define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY)
475 
476 typedef struct RamDevice {
477     SysBusDevice parent_obj;
478 
479     MemoryRegion ram;
480     uint64_t size;
481 } RamDevice;
482 
483 /* System RAM */
484 static void ram_realize(DeviceState *dev, Error **errp)
485 {
486     RamDevice *d = SUN4U_RAM(dev);
487     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
488 
489     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
490                            &error_fatal);
491     vmstate_register_ram_global(&d->ram);
492     sysbus_init_mmio(sbd, &d->ram);
493 }
494 
495 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
496 {
497     DeviceState *dev;
498     SysBusDevice *s;
499     RamDevice *d;
500 
501     /* allocate RAM */
502     dev = qdev_create(NULL, TYPE_SUN4U_MEMORY);
503     s = SYS_BUS_DEVICE(dev);
504 
505     d = SUN4U_RAM(dev);
506     d->size = RAM_size;
507     qdev_init_nofail(dev);
508 
509     sysbus_mmio_map(s, 0, addr);
510 }
511 
512 static Property ram_properties[] = {
513     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
514     DEFINE_PROP_END_OF_LIST(),
515 };
516 
517 static void ram_class_init(ObjectClass *klass, void *data)
518 {
519     DeviceClass *dc = DEVICE_CLASS(klass);
520 
521     dc->realize = ram_realize;
522     dc->props = ram_properties;
523 }
524 
525 static const TypeInfo ram_info = {
526     .name          = TYPE_SUN4U_MEMORY,
527     .parent        = TYPE_SYS_BUS_DEVICE,
528     .instance_size = sizeof(RamDevice),
529     .class_init    = ram_class_init,
530 };
531 
532 static void sun4uv_init(MemoryRegion *address_space_mem,
533                         MachineState *machine,
534                         const struct hwdef *hwdef)
535 {
536     SPARCCPU *cpu;
537     Nvram *nvram;
538     unsigned int i;
539     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
540     SabreState *sabre;
541     PCIBus *pci_bus, *pci_busA, *pci_busB;
542     PCIDevice *ebus, *pci_dev;
543     SysBusDevice *s;
544     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
545     DeviceState *iommu, *dev;
546     FWCfgState *fw_cfg;
547     NICInfo *nd;
548     MACAddr macaddr;
549     bool onboard_nic;
550 
551     /* init CPUs */
552     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
553 
554     /* IOMMU */
555     iommu = qdev_create(NULL, TYPE_SUN4U_IOMMU);
556     qdev_init_nofail(iommu);
557 
558     /* set up devices */
559     ram_init(0, machine->ram_size);
560 
561     prom_init(hwdef->prom_addr, bios_name);
562 
563     /* Init sabre (PCI host bridge) */
564     sabre = SABRE_DEVICE(qdev_create(NULL, TYPE_SABRE));
565     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
566     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
567     object_property_set_link(OBJECT(sabre), OBJECT(iommu), "iommu",
568                              &error_abort);
569     qdev_init_nofail(DEVICE(sabre));
570 
571     /* Wire up PCI interrupts to CPU */
572     for (i = 0; i < IVEC_MAX; i++) {
573         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
574             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
575     }
576 
577     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
578     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
579     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
580 
581     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
582        reserved (leaving no slots free after on-board devices) however slots
583        0-3 are free on busB */
584     pci_bus->slot_reserved_mask = 0xfffffffc;
585     pci_busA->slot_reserved_mask = 0xfffffff1;
586     pci_busB->slot_reserved_mask = 0xfffffff0;
587 
588     ebus = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 0), true, TYPE_EBUS);
589     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
590                          hwdef->console_serial_base);
591     qdev_init_nofail(DEVICE(ebus));
592 
593     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
594     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
595         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
596     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
597         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
598     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
599         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
600     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
601         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
602     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
603         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
604 
605     switch (vga_interface_type) {
606     case VGA_STD:
607         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
608         break;
609     case VGA_NONE:
610         break;
611     default:
612         abort();   /* Should not happen - types are checked in vl.c already */
613     }
614 
615     memset(&macaddr, 0, sizeof(MACAddr));
616     onboard_nic = false;
617     for (i = 0; i < nb_nics; i++) {
618         nd = &nd_table[i];
619 
620         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
621             if (!onboard_nic) {
622                 pci_dev = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 1),
623                                                    true, "sunhme");
624                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
625                 onboard_nic = true;
626             } else {
627                 pci_dev = pci_create(pci_busB, -1, "sunhme");
628             }
629         } else {
630             pci_dev = pci_create(pci_busB, -1, nd->model);
631         }
632 
633         dev = &pci_dev->qdev;
634         qdev_set_nic_properties(dev, nd);
635         qdev_init_nofail(dev);
636     }
637 
638     /* If we don't have an onboard NIC, grab a default MAC address so that
639      * we have a valid machine id */
640     if (!onboard_nic) {
641         qemu_macaddr_default_if_unset(&macaddr);
642     }
643 
644     ide_drive_get(hd, ARRAY_SIZE(hd));
645 
646     pci_dev = pci_create(pci_busA, PCI_DEVFN(3, 0), "cmd646-ide");
647     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
648     qdev_init_nofail(&pci_dev->qdev);
649     pci_ide_create_devs(pci_dev, hd);
650 
651     /* Map NVRAM into I/O (ebus) space */
652     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
653     s = SYS_BUS_DEVICE(nvram);
654     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
655                                 sysbus_mmio_get_region(s, 0));
656 
657     initrd_size = 0;
658     initrd_addr = 0;
659     kernel_size = sun4u_load_kernel(machine->kernel_filename,
660                                     machine->initrd_filename,
661                                     ram_size, &initrd_size, &initrd_addr,
662                                     &kernel_addr, &kernel_entry);
663 
664     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
665                            machine->boot_order,
666                            kernel_addr, kernel_size,
667                            machine->kernel_cmdline,
668                            initrd_addr, initrd_size,
669                            /* XXX: need an option to load a NVRAM image */
670                            0,
671                            graphic_width, graphic_height, graphic_depth,
672                            (uint8_t *)&macaddr);
673 
674     dev = qdev_create(NULL, TYPE_FW_CFG_IO);
675     qdev_prop_set_bit(dev, "dma_enabled", false);
676     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev), NULL);
677     qdev_init_nofail(dev);
678     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
679                                 &FW_CFG_IO(dev)->comb_iomem);
680 
681     fw_cfg = FW_CFG(dev);
682     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
683     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
684     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
685     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
686     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
687     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
688     if (machine->kernel_cmdline) {
689         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
690                        strlen(machine->kernel_cmdline) + 1);
691         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
692     } else {
693         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
694     }
695     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
696     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
697     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
698 
699     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
700     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
701     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
702 
703     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
704 }
705 
706 enum {
707     sun4u_id = 0,
708     sun4v_id = 64,
709 };
710 
711 /*
712  * Implementation of an interface to adjust firmware path
713  * for the bootindex property handling.
714  */
715 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
716                                DeviceState *dev)
717 {
718     PCIDevice *pci;
719     IDEBus *ide_bus;
720     IDEState *ide_s;
721     int bus_id;
722 
723     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
724         pci = PCI_DEVICE(dev);
725 
726         if (PCI_FUNC(pci->devfn)) {
727             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
728                                    PCI_FUNC(pci->devfn));
729         } else {
730             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
731         }
732     }
733 
734     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
735          ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
736          ide_s = idebus_active_if(ide_bus);
737          bus_id = ide_bus->bus_id;
738 
739          if (ide_s->drive_kind == IDE_CD) {
740              return g_strdup_printf("ide@%x/cdrom", bus_id);
741          }
742 
743          return g_strdup_printf("ide@%x/disk", bus_id);
744     }
745 
746     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
747         return g_strdup("disk");
748     }
749 
750     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
751         return g_strdup("cdrom");
752     }
753 
754     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
755         return g_strdup("disk");
756     }
757 
758     return NULL;
759 }
760 
761 static const struct hwdef hwdefs[] = {
762     /* Sun4u generic PC-like machine */
763     {
764         .machine_id = sun4u_id,
765         .prom_addr = 0x1fff0000000ULL,
766         .console_serial_base = 0,
767     },
768     /* Sun4v generic PC-like machine */
769     {
770         .machine_id = sun4v_id,
771         .prom_addr = 0x1fff0000000ULL,
772         .console_serial_base = 0,
773     },
774 };
775 
776 /* Sun4u hardware initialisation */
777 static void sun4u_init(MachineState *machine)
778 {
779     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
780 }
781 
782 /* Sun4v hardware initialisation */
783 static void sun4v_init(MachineState *machine)
784 {
785     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
786 }
787 
788 static void sun4u_class_init(ObjectClass *oc, void *data)
789 {
790     MachineClass *mc = MACHINE_CLASS(oc);
791     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
792 
793     mc->desc = "Sun4u platform";
794     mc->init = sun4u_init;
795     mc->block_default_type = IF_IDE;
796     mc->max_cpus = 1; /* XXX for now */
797     mc->is_default = 1;
798     mc->default_boot_order = "c";
799     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
800     mc->ignore_boot_device_suffixes = true;
801     fwc->get_dev_path = sun4u_fw_dev_path;
802 }
803 
804 static const TypeInfo sun4u_type = {
805     .name = MACHINE_TYPE_NAME("sun4u"),
806     .parent = TYPE_MACHINE,
807     .class_init = sun4u_class_init,
808     .interfaces = (InterfaceInfo[]) {
809         { TYPE_FW_PATH_PROVIDER },
810         { }
811     },
812 };
813 
814 static void sun4v_class_init(ObjectClass *oc, void *data)
815 {
816     MachineClass *mc = MACHINE_CLASS(oc);
817 
818     mc->desc = "Sun4v platform";
819     mc->init = sun4v_init;
820     mc->block_default_type = IF_IDE;
821     mc->max_cpus = 1; /* XXX for now */
822     mc->default_boot_order = "c";
823     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
824 }
825 
826 static const TypeInfo sun4v_type = {
827     .name = MACHINE_TYPE_NAME("sun4v"),
828     .parent = TYPE_MACHINE,
829     .class_init = sun4v_class_init,
830 };
831 
832 static void sun4u_register_types(void)
833 {
834     type_register_static(&power_info);
835     type_register_static(&ebus_info);
836     type_register_static(&prom_info);
837     type_register_static(&ram_info);
838 
839     type_register_static(&sun4u_type);
840     type_register_static(&sun4v_type);
841 }
842 
843 type_init(sun4u_register_types)
844