xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision 1a7c00bb)
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/char/serial.h"
37 #include "hw/char/parallel.h"
38 #include "hw/timer/m48t59.h"
39 #include "hw/input/i8042.h"
40 #include "hw/block/fdc.h"
41 #include "net/net.h"
42 #include "qemu/timer.h"
43 #include "sysemu/sysemu.h"
44 #include "hw/boards.h"
45 #include "hw/nvram/sun_nvram.h"
46 #include "hw/nvram/chrp_nvram.h"
47 #include "hw/sparc/sparc64.h"
48 #include "hw/nvram/fw_cfg.h"
49 #include "hw/sysbus.h"
50 #include "hw/ide.h"
51 #include "hw/ide/pci.h"
52 #include "hw/loader.h"
53 #include "hw/fw-path-provider.h"
54 #include "elf.h"
55 #include "trace.h"
56 
57 #define KERNEL_LOAD_ADDR     0x00404000
58 #define CMDLINE_ADDR         0x003ff000
59 #define PROM_SIZE_MAX        (4 * MiB)
60 #define PROM_VADDR           0x000ffd00000ULL
61 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
62 #define PBM_MEM_BASE         0x1ff00000000ULL
63 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
64 #define PROM_FILENAME        "openbios-sparc64"
65 #define NVRAM_SIZE           0x2000
66 #define MAX_IDE_BUS          2
67 #define BIOS_CFG_IOPORT      0x510
68 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
69 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
70 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
71 
72 #define IVEC_MAX             0x40
73 
74 struct hwdef {
75     uint16_t machine_id;
76     uint64_t prom_addr;
77     uint64_t console_serial_base;
78 };
79 
80 typedef struct EbusState {
81     /*< private >*/
82     PCIDevice parent_obj;
83 
84     ISABus *isa_bus;
85     qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
86     uint64_t console_serial_base;
87     MemoryRegion bar0;
88     MemoryRegion bar1;
89 } EbusState;
90 
91 #define TYPE_EBUS "ebus"
92 #define EBUS(obj) OBJECT_CHECK(EbusState, (obj), TYPE_EBUS)
93 
94 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
95                             Error **errp)
96 {
97     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
98 }
99 
100 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
101                                   const char *arch, ram_addr_t RAM_size,
102                                   const char *boot_devices,
103                                   uint32_t kernel_image, uint32_t kernel_size,
104                                   const char *cmdline,
105                                   uint32_t initrd_image, uint32_t initrd_size,
106                                   uint32_t NVRAM_image,
107                                   int width, int height, int depth,
108                                   const uint8_t *macaddr)
109 {
110     unsigned int i;
111     int sysp_end;
112     uint8_t image[0x1ff0];
113     NvramClass *k = NVRAM_GET_CLASS(nvram);
114 
115     memset(image, '\0', sizeof(image));
116 
117     /* OpenBIOS nvram variables partition */
118     sysp_end = chrp_nvram_create_system_partition(image, 0);
119 
120     /* Free space partition */
121     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
122 
123     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
124 
125     for (i = 0; i < sizeof(image); i++) {
126         (k->write)(nvram, i, image[i]);
127     }
128 
129     return 0;
130 }
131 
132 static uint64_t sun4u_load_kernel(const char *kernel_filename,
133                                   const char *initrd_filename,
134                                   ram_addr_t RAM_size, uint64_t *initrd_size,
135                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
136                                   uint64_t *kernel_entry)
137 {
138     int linux_boot;
139     unsigned int i;
140     long kernel_size;
141     uint8_t *ptr;
142     uint64_t kernel_top = 0;
143 
144     linux_boot = (kernel_filename != NULL);
145 
146     kernel_size = 0;
147     if (linux_boot) {
148         int bswap_needed;
149 
150 #ifdef BSWAP_NEEDED
151         bswap_needed = 1;
152 #else
153         bswap_needed = 0;
154 #endif
155         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
156                                kernel_addr, &kernel_top, 1, EM_SPARCV9, 0, 0);
157         if (kernel_size < 0) {
158             *kernel_addr = KERNEL_LOAD_ADDR;
159             *kernel_entry = KERNEL_LOAD_ADDR;
160             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
161                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
162                                     TARGET_PAGE_SIZE);
163         }
164         if (kernel_size < 0) {
165             kernel_size = load_image_targphys(kernel_filename,
166                                               KERNEL_LOAD_ADDR,
167                                               RAM_size - KERNEL_LOAD_ADDR);
168         }
169         if (kernel_size < 0) {
170             error_report("could not load kernel '%s'", kernel_filename);
171             exit(1);
172         }
173         /* load initrd above kernel */
174         *initrd_size = 0;
175         if (initrd_filename && kernel_top) {
176             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
177 
178             *initrd_size = load_image_targphys(initrd_filename,
179                                                *initrd_addr,
180                                                RAM_size - *initrd_addr);
181             if ((int)*initrd_size < 0) {
182                 error_report("could not load initial ram disk '%s'",
183                              initrd_filename);
184                 exit(1);
185             }
186         }
187         if (*initrd_size > 0) {
188             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
189                 ptr = rom_ptr(*kernel_addr + i, 32);
190                 if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
191                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
192                     stl_p(ptr + 28, *initrd_size);
193                     break;
194                 }
195             }
196         }
197     }
198     return kernel_size;
199 }
200 
201 typedef struct ResetData {
202     SPARCCPU *cpu;
203     uint64_t prom_addr;
204 } ResetData;
205 
206 #define TYPE_SUN4U_POWER "power"
207 #define SUN4U_POWER(obj) OBJECT_CHECK(PowerDevice, (obj), TYPE_SUN4U_POWER)
208 
209 typedef struct PowerDevice {
210     SysBusDevice parent_obj;
211 
212     MemoryRegion power_mmio;
213 } PowerDevice;
214 
215 /* Power */
216 static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
217 {
218     return 0;
219 }
220 
221 static void power_mem_write(void *opaque, hwaddr addr,
222                             uint64_t val, unsigned size)
223 {
224     /* According to a real Ultra 5, bit 24 controls the power */
225     if (val & 0x1000000) {
226         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
227     }
228 }
229 
230 static const MemoryRegionOps power_mem_ops = {
231     .read = power_mem_read,
232     .write = power_mem_write,
233     .endianness = DEVICE_NATIVE_ENDIAN,
234     .valid = {
235         .min_access_size = 4,
236         .max_access_size = 4,
237     },
238 };
239 
240 static void power_realize(DeviceState *dev, Error **errp)
241 {
242     PowerDevice *d = SUN4U_POWER(dev);
243     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
244 
245     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
246                           "power", sizeof(uint32_t));
247 
248     sysbus_init_mmio(sbd, &d->power_mmio);
249 }
250 
251 static void power_class_init(ObjectClass *klass, void *data)
252 {
253     DeviceClass *dc = DEVICE_CLASS(klass);
254 
255     dc->realize = power_realize;
256 }
257 
258 static const TypeInfo power_info = {
259     .name          = TYPE_SUN4U_POWER,
260     .parent        = TYPE_SYS_BUS_DEVICE,
261     .instance_size = sizeof(PowerDevice),
262     .class_init    = power_class_init,
263 };
264 
265 static void ebus_isa_irq_handler(void *opaque, int n, int level)
266 {
267     EbusState *s = EBUS(opaque);
268     qemu_irq irq = s->isa_bus_irqs[n];
269 
270     /* Pass ISA bus IRQs onto their gpio equivalent */
271     trace_ebus_isa_irq_handler(n, level);
272     if (irq) {
273         qemu_set_irq(irq, level);
274     }
275 }
276 
277 /* EBUS (Eight bit bus) bridge */
278 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
279 {
280     EbusState *s = EBUS(pci_dev);
281     SysBusDevice *sbd;
282     DeviceState *dev;
283     qemu_irq *isa_irq;
284     DriveInfo *fd[MAX_FD];
285     int i;
286 
287     s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
288                              pci_address_space_io(pci_dev), errp);
289     if (!s->isa_bus) {
290         error_setg(errp, "unable to instantiate EBUS ISA bus");
291         return;
292     }
293 
294     /* ISA bus */
295     isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
296     isa_bus_irqs(s->isa_bus, isa_irq);
297     qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
298                              ISA_NUM_IRQS);
299 
300     /* Serial ports */
301     i = 0;
302     if (s->console_serial_base) {
303         serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
304                        0, NULL, 115200, serial_hd(i), DEVICE_BIG_ENDIAN);
305         i++;
306     }
307     serial_hds_isa_init(s->isa_bus, i, MAX_ISA_SERIAL_PORTS);
308 
309     /* Parallel ports */
310     parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
311 
312     /* Keyboard */
313     isa_create_simple(s->isa_bus, "i8042");
314 
315     /* Floppy */
316     for (i = 0; i < MAX_FD; i++) {
317         fd[i] = drive_get(IF_FLOPPY, 0, i);
318     }
319     dev = DEVICE(isa_create(s->isa_bus, TYPE_ISA_FDC));
320     if (fd[0]) {
321         qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
322                             &error_abort);
323     }
324     if (fd[1]) {
325         qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
326                             &error_abort);
327     }
328     qdev_prop_set_uint32(dev, "dma", -1);
329     qdev_init_nofail(dev);
330 
331     /* Power */
332     dev = qdev_create(NULL, TYPE_SUN4U_POWER);
333     qdev_init_nofail(dev);
334     sbd = SYS_BUS_DEVICE(dev);
335     memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
336                                 sysbus_mmio_get_region(sbd, 0));
337 
338     /* PCI */
339     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
340     pci_dev->config[0x05] = 0x00;
341     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
342     pci_dev->config[0x07] = 0x03; // status = medium devsel
343     pci_dev->config[0x09] = 0x00; // programming i/f
344     pci_dev->config[0x0D] = 0x0a; // latency_timer
345 
346     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
347                              0, 0x1000000);
348     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
349     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
350                              0, 0x8000);
351     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
352 }
353 
354 static Property ebus_properties[] = {
355     DEFINE_PROP_UINT64("console-serial-base", EbusState,
356                        console_serial_base, 0),
357     DEFINE_PROP_END_OF_LIST(),
358 };
359 
360 static void ebus_class_init(ObjectClass *klass, void *data)
361 {
362     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
363     DeviceClass *dc = DEVICE_CLASS(klass);
364 
365     k->realize = ebus_realize;
366     k->vendor_id = PCI_VENDOR_ID_SUN;
367     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
368     k->revision = 0x01;
369     k->class_id = PCI_CLASS_BRIDGE_OTHER;
370     dc->props = ebus_properties;
371 }
372 
373 static const TypeInfo ebus_info = {
374     .name          = TYPE_EBUS,
375     .parent        = TYPE_PCI_DEVICE,
376     .class_init    = ebus_class_init,
377     .instance_size = sizeof(EbusState),
378     .interfaces = (InterfaceInfo[]) {
379         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
380         { },
381     },
382 };
383 
384 #define TYPE_OPENPROM "openprom"
385 #define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
386 
387 typedef struct PROMState {
388     SysBusDevice parent_obj;
389 
390     MemoryRegion prom;
391 } PROMState;
392 
393 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
394 {
395     hwaddr *base_addr = (hwaddr *)opaque;
396     return addr + *base_addr - PROM_VADDR;
397 }
398 
399 /* Boot PROM (OpenBIOS) */
400 static void prom_init(hwaddr addr, const char *bios_name)
401 {
402     DeviceState *dev;
403     SysBusDevice *s;
404     char *filename;
405     int ret;
406 
407     dev = qdev_create(NULL, TYPE_OPENPROM);
408     qdev_init_nofail(dev);
409     s = SYS_BUS_DEVICE(dev);
410 
411     sysbus_mmio_map(s, 0, addr);
412 
413     /* load boot prom */
414     if (bios_name == NULL) {
415         bios_name = PROM_FILENAME;
416     }
417     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
418     if (filename) {
419         ret = load_elf(filename, NULL, translate_prom_address, &addr,
420                        NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
421         if (ret < 0 || ret > PROM_SIZE_MAX) {
422             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
423         }
424         g_free(filename);
425     } else {
426         ret = -1;
427     }
428     if (ret < 0 || ret > PROM_SIZE_MAX) {
429         error_report("could not load prom '%s'", bios_name);
430         exit(1);
431     }
432 }
433 
434 static void prom_realize(DeviceState *ds, Error **errp)
435 {
436     PROMState *s = OPENPROM(ds);
437     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
438     Error *local_err = NULL;
439 
440     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
441                                      PROM_SIZE_MAX, &local_err);
442     if (local_err) {
443         error_propagate(errp, local_err);
444         return;
445     }
446 
447     vmstate_register_ram_global(&s->prom);
448     memory_region_set_readonly(&s->prom, true);
449     sysbus_init_mmio(dev, &s->prom);
450 }
451 
452 static Property prom_properties[] = {
453     {/* end of property list */},
454 };
455 
456 static void prom_class_init(ObjectClass *klass, void *data)
457 {
458     DeviceClass *dc = DEVICE_CLASS(klass);
459 
460     dc->props = prom_properties;
461     dc->realize = prom_realize;
462 }
463 
464 static const TypeInfo prom_info = {
465     .name          = TYPE_OPENPROM,
466     .parent        = TYPE_SYS_BUS_DEVICE,
467     .instance_size = sizeof(PROMState),
468     .class_init    = prom_class_init,
469 };
470 
471 
472 #define TYPE_SUN4U_MEMORY "memory"
473 #define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY)
474 
475 typedef struct RamDevice {
476     SysBusDevice parent_obj;
477 
478     MemoryRegion ram;
479     uint64_t size;
480 } RamDevice;
481 
482 /* System RAM */
483 static void ram_realize(DeviceState *dev, Error **errp)
484 {
485     RamDevice *d = SUN4U_RAM(dev);
486     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
487 
488     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
489                            &error_fatal);
490     vmstate_register_ram_global(&d->ram);
491     sysbus_init_mmio(sbd, &d->ram);
492 }
493 
494 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
495 {
496     DeviceState *dev;
497     SysBusDevice *s;
498     RamDevice *d;
499 
500     /* allocate RAM */
501     dev = qdev_create(NULL, TYPE_SUN4U_MEMORY);
502     s = SYS_BUS_DEVICE(dev);
503 
504     d = SUN4U_RAM(dev);
505     d->size = RAM_size;
506     qdev_init_nofail(dev);
507 
508     sysbus_mmio_map(s, 0, addr);
509 }
510 
511 static Property ram_properties[] = {
512     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
513     DEFINE_PROP_END_OF_LIST(),
514 };
515 
516 static void ram_class_init(ObjectClass *klass, void *data)
517 {
518     DeviceClass *dc = DEVICE_CLASS(klass);
519 
520     dc->realize = ram_realize;
521     dc->props = ram_properties;
522 }
523 
524 static const TypeInfo ram_info = {
525     .name          = TYPE_SUN4U_MEMORY,
526     .parent        = TYPE_SYS_BUS_DEVICE,
527     .instance_size = sizeof(RamDevice),
528     .class_init    = ram_class_init,
529 };
530 
531 static void sun4uv_init(MemoryRegion *address_space_mem,
532                         MachineState *machine,
533                         const struct hwdef *hwdef)
534 {
535     SPARCCPU *cpu;
536     Nvram *nvram;
537     unsigned int i;
538     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
539     SabreState *sabre;
540     PCIBus *pci_bus, *pci_busA, *pci_busB;
541     PCIDevice *ebus, *pci_dev;
542     SysBusDevice *s;
543     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
544     DeviceState *iommu, *dev;
545     FWCfgState *fw_cfg;
546     NICInfo *nd;
547     MACAddr macaddr;
548     bool onboard_nic;
549 
550     /* init CPUs */
551     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
552 
553     /* IOMMU */
554     iommu = qdev_create(NULL, TYPE_SUN4U_IOMMU);
555     qdev_init_nofail(iommu);
556 
557     /* set up devices */
558     ram_init(0, machine->ram_size);
559 
560     prom_init(hwdef->prom_addr, bios_name);
561 
562     /* Init sabre (PCI host bridge) */
563     sabre = SABRE_DEVICE(qdev_create(NULL, TYPE_SABRE));
564     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
565     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
566     object_property_set_link(OBJECT(sabre), OBJECT(iommu), "iommu",
567                              &error_abort);
568     qdev_init_nofail(DEVICE(sabre));
569 
570     /* Wire up PCI interrupts to CPU */
571     for (i = 0; i < IVEC_MAX; i++) {
572         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
573             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
574     }
575 
576     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
577     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
578     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
579 
580     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
581        reserved (leaving no slots free after on-board devices) however slots
582        0-3 are free on busB */
583     pci_bus->slot_reserved_mask = 0xfffffffc;
584     pci_busA->slot_reserved_mask = 0xfffffff1;
585     pci_busB->slot_reserved_mask = 0xfffffff0;
586 
587     ebus = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 0), true, TYPE_EBUS);
588     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
589                          hwdef->console_serial_base);
590     qdev_init_nofail(DEVICE(ebus));
591 
592     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
593     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
594         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
595     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
596         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
597     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
598         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
599     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
600         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
601     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
602         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
603 
604     switch (vga_interface_type) {
605     case VGA_STD:
606         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
607         break;
608     case VGA_NONE:
609         break;
610     default:
611         abort();   /* Should not happen - types are checked in vl.c already */
612     }
613 
614     memset(&macaddr, 0, sizeof(MACAddr));
615     onboard_nic = false;
616     for (i = 0; i < nb_nics; i++) {
617         nd = &nd_table[i];
618 
619         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
620             if (!onboard_nic) {
621                 pci_dev = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 1),
622                                                    true, "sunhme");
623                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
624                 onboard_nic = true;
625             } else {
626                 pci_dev = pci_create(pci_busB, -1, "sunhme");
627             }
628         } else {
629             pci_dev = pci_create(pci_busB, -1, nd->model);
630         }
631 
632         dev = &pci_dev->qdev;
633         qdev_set_nic_properties(dev, nd);
634         qdev_init_nofail(dev);
635     }
636 
637     /* If we don't have an onboard NIC, grab a default MAC address so that
638      * we have a valid machine id */
639     if (!onboard_nic) {
640         qemu_macaddr_default_if_unset(&macaddr);
641     }
642 
643     ide_drive_get(hd, ARRAY_SIZE(hd));
644 
645     pci_dev = pci_create(pci_busA, PCI_DEVFN(3, 0), "cmd646-ide");
646     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
647     qdev_init_nofail(&pci_dev->qdev);
648     pci_ide_create_devs(pci_dev, hd);
649 
650     /* Map NVRAM into I/O (ebus) space */
651     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
652     s = SYS_BUS_DEVICE(nvram);
653     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
654                                 sysbus_mmio_get_region(s, 0));
655 
656     initrd_size = 0;
657     initrd_addr = 0;
658     kernel_size = sun4u_load_kernel(machine->kernel_filename,
659                                     machine->initrd_filename,
660                                     ram_size, &initrd_size, &initrd_addr,
661                                     &kernel_addr, &kernel_entry);
662 
663     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
664                            machine->boot_order,
665                            kernel_addr, kernel_size,
666                            machine->kernel_cmdline,
667                            initrd_addr, initrd_size,
668                            /* XXX: need an option to load a NVRAM image */
669                            0,
670                            graphic_width, graphic_height, graphic_depth,
671                            (uint8_t *)&macaddr);
672 
673     dev = qdev_create(NULL, TYPE_FW_CFG_IO);
674     qdev_prop_set_bit(dev, "dma_enabled", false);
675     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev), NULL);
676     qdev_init_nofail(dev);
677     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
678                                 &FW_CFG_IO(dev)->comb_iomem);
679 
680     fw_cfg = FW_CFG(dev);
681     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
682     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
683     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
684     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
685     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
686     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
687     if (machine->kernel_cmdline) {
688         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
689                        strlen(machine->kernel_cmdline) + 1);
690         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
691     } else {
692         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
693     }
694     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
695     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
696     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
697 
698     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
699     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
700     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
701 
702     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
703 }
704 
705 enum {
706     sun4u_id = 0,
707     sun4v_id = 64,
708 };
709 
710 /*
711  * Implementation of an interface to adjust firmware path
712  * for the bootindex property handling.
713  */
714 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
715                                DeviceState *dev)
716 {
717     PCIDevice *pci;
718     IDEBus *ide_bus;
719     IDEState *ide_s;
720     int bus_id;
721 
722     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
723         pci = PCI_DEVICE(dev);
724 
725         if (PCI_FUNC(pci->devfn)) {
726             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
727                                    PCI_FUNC(pci->devfn));
728         } else {
729             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
730         }
731     }
732 
733     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
734          ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
735          ide_s = idebus_active_if(ide_bus);
736          bus_id = ide_bus->bus_id;
737 
738          if (ide_s->drive_kind == IDE_CD) {
739              return g_strdup_printf("ide@%x/cdrom", bus_id);
740          }
741 
742          return g_strdup_printf("ide@%x/disk", bus_id);
743     }
744 
745     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
746         return g_strdup("disk");
747     }
748 
749     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
750         return g_strdup("cdrom");
751     }
752 
753     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
754         return g_strdup("disk");
755     }
756 
757     return NULL;
758 }
759 
760 static const struct hwdef hwdefs[] = {
761     /* Sun4u generic PC-like machine */
762     {
763         .machine_id = sun4u_id,
764         .prom_addr = 0x1fff0000000ULL,
765         .console_serial_base = 0,
766     },
767     /* Sun4v generic PC-like machine */
768     {
769         .machine_id = sun4v_id,
770         .prom_addr = 0x1fff0000000ULL,
771         .console_serial_base = 0,
772     },
773 };
774 
775 /* Sun4u hardware initialisation */
776 static void sun4u_init(MachineState *machine)
777 {
778     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
779 }
780 
781 /* Sun4v hardware initialisation */
782 static void sun4v_init(MachineState *machine)
783 {
784     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
785 }
786 
787 static void sun4u_class_init(ObjectClass *oc, void *data)
788 {
789     MachineClass *mc = MACHINE_CLASS(oc);
790     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
791 
792     mc->desc = "Sun4u platform";
793     mc->init = sun4u_init;
794     mc->block_default_type = IF_IDE;
795     mc->max_cpus = 1; /* XXX for now */
796     mc->is_default = 1;
797     mc->default_boot_order = "c";
798     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
799     mc->ignore_boot_device_suffixes = true;
800     mc->default_display = "std";
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     mc->default_display = "std";
825 }
826 
827 static const TypeInfo sun4v_type = {
828     .name = MACHINE_TYPE_NAME("sun4v"),
829     .parent = TYPE_MACHINE,
830     .class_init = sun4v_class_init,
831 };
832 
833 static void sun4u_register_types(void)
834 {
835     type_register_static(&power_info);
836     type_register_static(&ebus_info);
837     type_register_static(&prom_info);
838     type_register_static(&ram_info);
839 
840     type_register_static(&sun4u_type);
841     type_register_static(&sun4v_type);
842 }
843 
844 type_init(sun4u_register_types)
845