xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision ad9e5aa2)
1 /*
2  * QEMU Sun4u/Sun4v System Emulator
3  *
4  * Copyright (c) 2005 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qemu/error-report.h"
28 #include "qapi/error.h"
29 #include "qemu-common.h"
30 #include "cpu.h"
31 #include "hw/pci/pci.h"
32 #include "hw/pci/pci_bridge.h"
33 #include "hw/pci/pci_bus.h"
34 #include "hw/pci/pci_host.h"
35 #include "hw/qdev-properties.h"
36 #include "hw/pci-host/sabre.h"
37 #include "hw/char/serial.h"
38 #include "hw/char/parallel.h"
39 #include "hw/rtc/m48t59.h"
40 #include "migration/vmstate.h"
41 #include "hw/input/i8042.h"
42 #include "hw/block/fdc.h"
43 #include "net/net.h"
44 #include "qemu/timer.h"
45 #include "sysemu/runstate.h"
46 #include "sysemu/sysemu.h"
47 #include "hw/boards.h"
48 #include "hw/nvram/sun_nvram.h"
49 #include "hw/nvram/chrp_nvram.h"
50 #include "hw/sparc/sparc64.h"
51 #include "hw/nvram/fw_cfg.h"
52 #include "hw/sysbus.h"
53 #include "hw/ide/pci.h"
54 #include "hw/loader.h"
55 #include "hw/fw-path-provider.h"
56 #include "elf.h"
57 #include "trace.h"
58 
59 #define KERNEL_LOAD_ADDR     0x00404000
60 #define CMDLINE_ADDR         0x003ff000
61 #define PROM_SIZE_MAX        (4 * MiB)
62 #define PROM_VADDR           0x000ffd00000ULL
63 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
64 #define PBM_MEM_BASE         0x1ff00000000ULL
65 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
66 #define PROM_FILENAME        "openbios-sparc64"
67 #define NVRAM_SIZE           0x2000
68 #define MAX_IDE_BUS          2
69 #define BIOS_CFG_IOPORT      0x510
70 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
71 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
72 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
73 
74 #define IVEC_MAX             0x40
75 
76 struct hwdef {
77     uint16_t machine_id;
78     uint64_t prom_addr;
79     uint64_t console_serial_base;
80 };
81 
82 typedef struct EbusState {
83     /*< private >*/
84     PCIDevice parent_obj;
85 
86     ISABus *isa_bus;
87     qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
88     uint64_t console_serial_base;
89     MemoryRegion bar0;
90     MemoryRegion bar1;
91 } EbusState;
92 
93 #define TYPE_EBUS "ebus"
94 #define EBUS(obj) OBJECT_CHECK(EbusState, (obj), TYPE_EBUS)
95 
96 const char *fw_cfg_arch_key_name(uint16_t key)
97 {
98     static const struct {
99         uint16_t key;
100         const char *name;
101     } fw_cfg_arch_wellknown_keys[] = {
102         {FW_CFG_SPARC64_WIDTH, "width"},
103         {FW_CFG_SPARC64_HEIGHT, "height"},
104         {FW_CFG_SPARC64_DEPTH, "depth"},
105     };
106 
107     for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
108         if (fw_cfg_arch_wellknown_keys[i].key == key) {
109             return fw_cfg_arch_wellknown_keys[i].name;
110         }
111     }
112     return NULL;
113 }
114 
115 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
116                             Error **errp)
117 {
118     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
119 }
120 
121 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
122                                   const char *arch, ram_addr_t RAM_size,
123                                   const char *boot_devices,
124                                   uint32_t kernel_image, uint32_t kernel_size,
125                                   const char *cmdline,
126                                   uint32_t initrd_image, uint32_t initrd_size,
127                                   uint32_t NVRAM_image,
128                                   int width, int height, int depth,
129                                   const uint8_t *macaddr)
130 {
131     unsigned int i;
132     int sysp_end;
133     uint8_t image[0x1ff0];
134     NvramClass *k = NVRAM_GET_CLASS(nvram);
135 
136     memset(image, '\0', sizeof(image));
137 
138     /* OpenBIOS nvram variables partition */
139     sysp_end = chrp_nvram_create_system_partition(image, 0);
140 
141     /* Free space partition */
142     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
143 
144     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
145 
146     for (i = 0; i < sizeof(image); i++) {
147         (k->write)(nvram, i, image[i]);
148     }
149 
150     return 0;
151 }
152 
153 static uint64_t sun4u_load_kernel(const char *kernel_filename,
154                                   const char *initrd_filename,
155                                   ram_addr_t RAM_size, uint64_t *initrd_size,
156                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
157                                   uint64_t *kernel_entry)
158 {
159     int linux_boot;
160     unsigned int i;
161     long kernel_size;
162     uint8_t *ptr;
163     uint64_t kernel_top = 0;
164 
165     linux_boot = (kernel_filename != NULL);
166 
167     kernel_size = 0;
168     if (linux_boot) {
169         int bswap_needed;
170 
171 #ifdef BSWAP_NEEDED
172         bswap_needed = 1;
173 #else
174         bswap_needed = 0;
175 #endif
176         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
177                                kernel_addr, &kernel_top, NULL, 1, EM_SPARCV9, 0,
178                                0);
179         if (kernel_size < 0) {
180             *kernel_addr = KERNEL_LOAD_ADDR;
181             *kernel_entry = KERNEL_LOAD_ADDR;
182             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
183                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
184                                     TARGET_PAGE_SIZE);
185         }
186         if (kernel_size < 0) {
187             kernel_size = load_image_targphys(kernel_filename,
188                                               KERNEL_LOAD_ADDR,
189                                               RAM_size - KERNEL_LOAD_ADDR);
190         }
191         if (kernel_size < 0) {
192             error_report("could not load kernel '%s'", kernel_filename);
193             exit(1);
194         }
195         /* load initrd above kernel */
196         *initrd_size = 0;
197         if (initrd_filename && kernel_top) {
198             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
199 
200             *initrd_size = load_image_targphys(initrd_filename,
201                                                *initrd_addr,
202                                                RAM_size - *initrd_addr);
203             if ((int)*initrd_size < 0) {
204                 error_report("could not load initial ram disk '%s'",
205                              initrd_filename);
206                 exit(1);
207             }
208         }
209         if (*initrd_size > 0) {
210             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
211                 ptr = rom_ptr(*kernel_addr + i, 32);
212                 if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
213                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
214                     stl_p(ptr + 28, *initrd_size);
215                     break;
216                 }
217             }
218         }
219     }
220     return kernel_size;
221 }
222 
223 typedef struct ResetData {
224     SPARCCPU *cpu;
225     uint64_t prom_addr;
226 } ResetData;
227 
228 #define TYPE_SUN4U_POWER "power"
229 #define SUN4U_POWER(obj) OBJECT_CHECK(PowerDevice, (obj), TYPE_SUN4U_POWER)
230 
231 typedef struct PowerDevice {
232     SysBusDevice parent_obj;
233 
234     MemoryRegion power_mmio;
235 } PowerDevice;
236 
237 /* Power */
238 static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
239 {
240     return 0;
241 }
242 
243 static void power_mem_write(void *opaque, hwaddr addr,
244                             uint64_t val, unsigned size)
245 {
246     /* According to a real Ultra 5, bit 24 controls the power */
247     if (val & 0x1000000) {
248         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
249     }
250 }
251 
252 static const MemoryRegionOps power_mem_ops = {
253     .read = power_mem_read,
254     .write = power_mem_write,
255     .endianness = DEVICE_NATIVE_ENDIAN,
256     .valid = {
257         .min_access_size = 4,
258         .max_access_size = 4,
259     },
260 };
261 
262 static void power_realize(DeviceState *dev, Error **errp)
263 {
264     PowerDevice *d = SUN4U_POWER(dev);
265     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
266 
267     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
268                           "power", sizeof(uint32_t));
269 
270     sysbus_init_mmio(sbd, &d->power_mmio);
271 }
272 
273 static void power_class_init(ObjectClass *klass, void *data)
274 {
275     DeviceClass *dc = DEVICE_CLASS(klass);
276 
277     dc->realize = power_realize;
278 }
279 
280 static const TypeInfo power_info = {
281     .name          = TYPE_SUN4U_POWER,
282     .parent        = TYPE_SYS_BUS_DEVICE,
283     .instance_size = sizeof(PowerDevice),
284     .class_init    = power_class_init,
285 };
286 
287 static void ebus_isa_irq_handler(void *opaque, int n, int level)
288 {
289     EbusState *s = EBUS(opaque);
290     qemu_irq irq = s->isa_bus_irqs[n];
291 
292     /* Pass ISA bus IRQs onto their gpio equivalent */
293     trace_ebus_isa_irq_handler(n, level);
294     if (irq) {
295         qemu_set_irq(irq, level);
296     }
297 }
298 
299 /* EBUS (Eight bit bus) bridge */
300 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
301 {
302     EbusState *s = EBUS(pci_dev);
303     ISADevice *isa_dev;
304     SysBusDevice *sbd;
305     DeviceState *dev;
306     qemu_irq *isa_irq;
307     DriveInfo *fd[MAX_FD];
308     int i;
309 
310     s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
311                              pci_address_space_io(pci_dev), errp);
312     if (!s->isa_bus) {
313         error_setg(errp, "unable to instantiate EBUS ISA bus");
314         return;
315     }
316 
317     /* ISA bus */
318     isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
319     isa_bus_irqs(s->isa_bus, isa_irq);
320     qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
321                              ISA_NUM_IRQS);
322 
323     /* Serial ports */
324     i = 0;
325     if (s->console_serial_base) {
326         serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
327                        0, NULL, 115200, serial_hd(i), DEVICE_BIG_ENDIAN);
328         i++;
329     }
330     serial_hds_isa_init(s->isa_bus, i, MAX_ISA_SERIAL_PORTS);
331 
332     /* Parallel ports */
333     parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
334 
335     /* Keyboard */
336     isa_create_simple(s->isa_bus, "i8042");
337 
338     /* Floppy */
339     for (i = 0; i < MAX_FD; i++) {
340         fd[i] = drive_get(IF_FLOPPY, 0, i);
341     }
342     isa_dev = isa_new(TYPE_ISA_FDC);
343     dev = DEVICE(isa_dev);
344     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", get_system_io(),
364                              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", get_system_io(),
367                              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 #define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
403 
404 typedef struct PROMState {
405     SysBusDevice parent_obj;
406 
407     MemoryRegion prom;
408 } PROMState;
409 
410 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
411 {
412     hwaddr *base_addr = (hwaddr *)opaque;
413     return addr + *base_addr - PROM_VADDR;
414 }
415 
416 /* Boot PROM (OpenBIOS) */
417 static void prom_init(hwaddr addr, const char *bios_name)
418 {
419     DeviceState *dev;
420     SysBusDevice *s;
421     char *filename;
422     int ret;
423 
424     dev = qdev_new(TYPE_OPENPROM);
425     s = SYS_BUS_DEVICE(dev);
426     sysbus_realize_and_unref(s, &error_fatal);
427 
428     sysbus_mmio_map(s, 0, addr);
429 
430     /* load boot prom */
431     if (bios_name == NULL) {
432         bios_name = PROM_FILENAME;
433     }
434     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
435     if (filename) {
436         ret = load_elf(filename, NULL, translate_prom_address, &addr,
437                        NULL, NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
438         if (ret < 0 || ret > PROM_SIZE_MAX) {
439             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
440         }
441         g_free(filename);
442     } else {
443         ret = -1;
444     }
445     if (ret < 0 || ret > PROM_SIZE_MAX) {
446         error_report("could not load prom '%s'", bios_name);
447         exit(1);
448     }
449 }
450 
451 static void prom_realize(DeviceState *ds, Error **errp)
452 {
453     PROMState *s = OPENPROM(ds);
454     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
455     Error *local_err = NULL;
456 
457     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
458                                      PROM_SIZE_MAX, &local_err);
459     if (local_err) {
460         error_propagate(errp, local_err);
461         return;
462     }
463 
464     vmstate_register_ram_global(&s->prom);
465     memory_region_set_readonly(&s->prom, true);
466     sysbus_init_mmio(dev, &s->prom);
467 }
468 
469 static Property prom_properties[] = {
470     {/* end of property list */},
471 };
472 
473 static void prom_class_init(ObjectClass *klass, void *data)
474 {
475     DeviceClass *dc = DEVICE_CLASS(klass);
476 
477     device_class_set_props(dc, prom_properties);
478     dc->realize = prom_realize;
479 }
480 
481 static const TypeInfo prom_info = {
482     .name          = TYPE_OPENPROM,
483     .parent        = TYPE_SYS_BUS_DEVICE,
484     .instance_size = sizeof(PROMState),
485     .class_init    = prom_class_init,
486 };
487 
488 
489 #define TYPE_SUN4U_MEMORY "memory"
490 #define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY)
491 
492 typedef struct RamDevice {
493     SysBusDevice parent_obj;
494 
495     MemoryRegion ram;
496     uint64_t size;
497 } RamDevice;
498 
499 /* System RAM */
500 static void ram_realize(DeviceState *dev, Error **errp)
501 {
502     RamDevice *d = SUN4U_RAM(dev);
503     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
504 
505     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
506                            &error_fatal);
507     vmstate_register_ram_global(&d->ram);
508     sysbus_init_mmio(sbd, &d->ram);
509 }
510 
511 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
512 {
513     DeviceState *dev;
514     SysBusDevice *s;
515     RamDevice *d;
516 
517     /* allocate RAM */
518     dev = qdev_new(TYPE_SUN4U_MEMORY);
519     s = SYS_BUS_DEVICE(dev);
520 
521     d = SUN4U_RAM(dev);
522     d->size = RAM_size;
523     sysbus_realize_and_unref(s, &error_fatal);
524 
525     sysbus_mmio_map(s, 0, addr);
526 }
527 
528 static Property ram_properties[] = {
529     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
530     DEFINE_PROP_END_OF_LIST(),
531 };
532 
533 static void ram_class_init(ObjectClass *klass, void *data)
534 {
535     DeviceClass *dc = DEVICE_CLASS(klass);
536 
537     dc->realize = ram_realize;
538     device_class_set_props(dc, ram_properties);
539 }
540 
541 static const TypeInfo ram_info = {
542     .name          = TYPE_SUN4U_MEMORY,
543     .parent        = TYPE_SYS_BUS_DEVICE,
544     .instance_size = sizeof(RamDevice),
545     .class_init    = ram_class_init,
546 };
547 
548 static void sun4uv_init(MemoryRegion *address_space_mem,
549                         MachineState *machine,
550                         const struct hwdef *hwdef)
551 {
552     SPARCCPU *cpu;
553     Nvram *nvram;
554     unsigned int i;
555     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
556     SabreState *sabre;
557     PCIBus *pci_bus, *pci_busA, *pci_busB;
558     PCIDevice *ebus, *pci_dev;
559     SysBusDevice *s;
560     DeviceState *iommu, *dev;
561     FWCfgState *fw_cfg;
562     NICInfo *nd;
563     MACAddr macaddr;
564     bool onboard_nic;
565 
566     /* init CPUs */
567     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
568 
569     /* IOMMU */
570     iommu = qdev_new(TYPE_SUN4U_IOMMU);
571     sysbus_realize_and_unref(SYS_BUS_DEVICE(iommu), &error_fatal);
572 
573     /* set up devices */
574     ram_init(0, machine->ram_size);
575 
576     prom_init(hwdef->prom_addr, bios_name);
577 
578     /* Init sabre (PCI host bridge) */
579     sabre = SABRE_DEVICE(qdev_new(TYPE_SABRE));
580     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
581     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
582     object_property_set_link(OBJECT(sabre), OBJECT(iommu), "iommu",
583                              &error_abort);
584     sysbus_realize_and_unref(SYS_BUS_DEVICE(sabre), &error_fatal);
585 
586     /* Wire up PCI interrupts to CPU */
587     for (i = 0; i < IVEC_MAX; i++) {
588         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
589             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
590     }
591 
592     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
593     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
594     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
595 
596     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
597        reserved (leaving no slots free after on-board devices) however slots
598        0-3 are free on busB */
599     pci_bus->slot_reserved_mask = 0xfffffffc;
600     pci_busA->slot_reserved_mask = 0xfffffff1;
601     pci_busB->slot_reserved_mask = 0xfffffff0;
602 
603     ebus = pci_new_multifunction(PCI_DEVFN(1, 0), true, TYPE_EBUS);
604     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
605                          hwdef->console_serial_base);
606     pci_realize_and_unref(ebus, pci_busA, &error_fatal);
607 
608     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
609     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
610         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
611     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
612         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
613     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
614         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
615     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
616         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
617     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
618         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
619 
620     switch (vga_interface_type) {
621     case VGA_STD:
622         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
623         break;
624     case VGA_NONE:
625         break;
626     default:
627         abort();   /* Should not happen - types are checked in vl.c already */
628     }
629 
630     memset(&macaddr, 0, sizeof(MACAddr));
631     onboard_nic = false;
632     for (i = 0; i < nb_nics; i++) {
633         PCIBus *bus;
634         nd = &nd_table[i];
635 
636         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
637             if (!onboard_nic) {
638                 pci_dev = pci_new_multifunction(PCI_DEVFN(1, 1),
639                                                    true, "sunhme");
640                 bus = pci_busA;
641                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
642                 onboard_nic = true;
643             } else {
644                 pci_dev = pci_new(-1, "sunhme");
645                 bus = pci_busB;
646             }
647         } else {
648             pci_dev = pci_new(-1, nd->model);
649             bus = pci_busB;
650         }
651 
652         dev = &pci_dev->qdev;
653         qdev_set_nic_properties(dev, nd);
654         pci_realize_and_unref(pci_dev, bus, &error_fatal);
655     }
656 
657     /* If we don't have an onboard NIC, grab a default MAC address so that
658      * we have a valid machine id */
659     if (!onboard_nic) {
660         qemu_macaddr_default_if_unset(&macaddr);
661     }
662 
663     pci_dev = pci_new(PCI_DEVFN(3, 0), "cmd646-ide");
664     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
665     pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
666     pci_ide_create_devs(pci_dev);
667 
668     /* Map NVRAM into I/O (ebus) space */
669     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
670     s = SYS_BUS_DEVICE(nvram);
671     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
672                                 sysbus_mmio_get_region(s, 0));
673 
674     initrd_size = 0;
675     initrd_addr = 0;
676     kernel_size = sun4u_load_kernel(machine->kernel_filename,
677                                     machine->initrd_filename,
678                                     ram_size, &initrd_size, &initrd_addr,
679                                     &kernel_addr, &kernel_entry);
680 
681     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
682                            machine->boot_order,
683                            kernel_addr, kernel_size,
684                            machine->kernel_cmdline,
685                            initrd_addr, initrd_size,
686                            /* XXX: need an option to load a NVRAM image */
687                            0,
688                            graphic_width, graphic_height, graphic_depth,
689                            (uint8_t *)&macaddr);
690 
691     dev = qdev_new(TYPE_FW_CFG_IO);
692     qdev_prop_set_bit(dev, "dma_enabled", false);
693     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
694     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
695     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
696                                 &FW_CFG_IO(dev)->comb_iomem);
697 
698     fw_cfg = FW_CFG(dev);
699     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
700     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
701     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
702     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
703     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
704     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
705     if (machine->kernel_cmdline) {
706         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
707                        strlen(machine->kernel_cmdline) + 1);
708         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
709     } else {
710         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
711     }
712     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
713     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
714     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
715 
716     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
717     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
718     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
719 
720     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
721 }
722 
723 enum {
724     sun4u_id = 0,
725     sun4v_id = 64,
726 };
727 
728 /*
729  * Implementation of an interface to adjust firmware path
730  * for the bootindex property handling.
731  */
732 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
733                                DeviceState *dev)
734 {
735     PCIDevice *pci;
736     IDEBus *ide_bus;
737     IDEState *ide_s;
738     int bus_id;
739 
740     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
741         pci = PCI_DEVICE(dev);
742 
743         if (PCI_FUNC(pci->devfn)) {
744             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
745                                    PCI_FUNC(pci->devfn));
746         } else {
747             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
748         }
749     }
750 
751     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
752          ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
753          ide_s = idebus_active_if(ide_bus);
754          bus_id = ide_bus->bus_id;
755 
756          if (ide_s->drive_kind == IDE_CD) {
757              return g_strdup_printf("ide@%x/cdrom", bus_id);
758          }
759 
760          return g_strdup_printf("ide@%x/disk", bus_id);
761     }
762 
763     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
764         return g_strdup("disk");
765     }
766 
767     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
768         return g_strdup("cdrom");
769     }
770 
771     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
772         return g_strdup("disk");
773     }
774 
775     return NULL;
776 }
777 
778 static const struct hwdef hwdefs[] = {
779     /* Sun4u generic PC-like machine */
780     {
781         .machine_id = sun4u_id,
782         .prom_addr = 0x1fff0000000ULL,
783         .console_serial_base = 0,
784     },
785     /* Sun4v generic PC-like machine */
786     {
787         .machine_id = sun4v_id,
788         .prom_addr = 0x1fff0000000ULL,
789         .console_serial_base = 0,
790     },
791 };
792 
793 /* Sun4u hardware initialisation */
794 static void sun4u_init(MachineState *machine)
795 {
796     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
797 }
798 
799 /* Sun4v hardware initialisation */
800 static void sun4v_init(MachineState *machine)
801 {
802     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
803 }
804 
805 static void sun4u_class_init(ObjectClass *oc, void *data)
806 {
807     MachineClass *mc = MACHINE_CLASS(oc);
808     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
809 
810     mc->desc = "Sun4u platform";
811     mc->init = sun4u_init;
812     mc->block_default_type = IF_IDE;
813     mc->max_cpus = 1; /* XXX for now */
814     mc->is_default = true;
815     mc->default_boot_order = "c";
816     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
817     mc->ignore_boot_device_suffixes = true;
818     mc->default_display = "std";
819     fwc->get_dev_path = sun4u_fw_dev_path;
820 }
821 
822 static const TypeInfo sun4u_type = {
823     .name = MACHINE_TYPE_NAME("sun4u"),
824     .parent = TYPE_MACHINE,
825     .class_init = sun4u_class_init,
826     .interfaces = (InterfaceInfo[]) {
827         { TYPE_FW_PATH_PROVIDER },
828         { }
829     },
830 };
831 
832 static void sun4v_class_init(ObjectClass *oc, void *data)
833 {
834     MachineClass *mc = MACHINE_CLASS(oc);
835 
836     mc->desc = "Sun4v platform";
837     mc->init = sun4v_init;
838     mc->block_default_type = IF_IDE;
839     mc->max_cpus = 1; /* XXX for now */
840     mc->default_boot_order = "c";
841     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
842     mc->default_display = "std";
843 }
844 
845 static const TypeInfo sun4v_type = {
846     .name = MACHINE_TYPE_NAME("sun4v"),
847     .parent = TYPE_MACHINE,
848     .class_init = sun4v_class_init,
849 };
850 
851 static void sun4u_register_types(void)
852 {
853     type_register_static(&power_info);
854     type_register_static(&ebus_info);
855     type_register_static(&prom_info);
856     type_register_static(&ram_info);
857 
858     type_register_static(&sun4u_type);
859     type_register_static(&sun4v_type);
860 }
861 
862 type_init(sun4u_register_types)
863