xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision b0dd0a3d)
1 /*
2  * QEMU Sun4u/Sun4v System Emulator
3  *
4  * Copyright (c) 2005 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qemu/error-report.h"
28 #include "qapi/error.h"
29 #include "qemu/datadir.h"
30 #include "cpu.h"
31 #include "hw/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 #include "qom/object.h"
59 
60 #define KERNEL_LOAD_ADDR     0x00404000
61 #define CMDLINE_ADDR         0x003ff000
62 #define PROM_SIZE_MAX        (4 * MiB)
63 #define PROM_VADDR           0x000ffd00000ULL
64 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
65 #define PBM_MEM_BASE         0x1ff00000000ULL
66 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
67 #define PROM_FILENAME        "openbios-sparc64"
68 #define NVRAM_SIZE           0x2000
69 #define MAX_IDE_BUS          2
70 #define BIOS_CFG_IOPORT      0x510
71 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
72 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
73 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
74 
75 #define IVEC_MAX             0x40
76 
77 struct hwdef {
78     uint16_t machine_id;
79     uint64_t prom_addr;
80     uint64_t console_serial_base;
81 };
82 
83 struct EbusState {
84     /*< private >*/
85     PCIDevice parent_obj;
86 
87     ISABus *isa_bus;
88     qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
89     uint64_t console_serial_base;
90     MemoryRegion bar0;
91     MemoryRegion bar1;
92 };
93 
94 #define TYPE_EBUS "ebus"
95 OBJECT_DECLARE_SIMPLE_TYPE(EbusState, EBUS)
96 
97 const char *fw_cfg_arch_key_name(uint16_t key)
98 {
99     static const struct {
100         uint16_t key;
101         const char *name;
102     } fw_cfg_arch_wellknown_keys[] = {
103         {FW_CFG_SPARC64_WIDTH, "width"},
104         {FW_CFG_SPARC64_HEIGHT, "height"},
105         {FW_CFG_SPARC64_DEPTH, "depth"},
106     };
107 
108     for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
109         if (fw_cfg_arch_wellknown_keys[i].key == key) {
110             return fw_cfg_arch_wellknown_keys[i].name;
111         }
112     }
113     return NULL;
114 }
115 
116 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
117                             Error **errp)
118 {
119     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
120 }
121 
122 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
123                                   const char *arch, ram_addr_t RAM_size,
124                                   const char *boot_devices,
125                                   uint32_t kernel_image, uint32_t kernel_size,
126                                   const char *cmdline,
127                                   uint32_t initrd_image, uint32_t initrd_size,
128                                   uint32_t NVRAM_image,
129                                   int width, int height, int depth,
130                                   const uint8_t *macaddr)
131 {
132     unsigned int i;
133     int sysp_end;
134     uint8_t image[0x1ff0];
135     NvramClass *k = NVRAM_GET_CLASS(nvram);
136 
137     memset(image, '\0', sizeof(image));
138 
139     /* OpenBIOS nvram variables partition */
140     sysp_end = chrp_nvram_create_system_partition(image, 0, 0x1fd0);
141 
142     /* Free space partition */
143     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
144 
145     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
146 
147     for (i = 0; i < sizeof(image); i++) {
148         (k->write)(nvram, i, image[i]);
149     }
150 
151     return 0;
152 }
153 
154 static uint64_t sun4u_load_kernel(const char *kernel_filename,
155                                   const char *initrd_filename,
156                                   ram_addr_t RAM_size, uint64_t *initrd_size,
157                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
158                                   uint64_t *kernel_entry)
159 {
160     int linux_boot;
161     unsigned int i;
162     long kernel_size;
163     uint8_t *ptr;
164     uint64_t kernel_top = 0;
165 
166     linux_boot = (kernel_filename != NULL);
167 
168     kernel_size = 0;
169     if (linux_boot) {
170         int bswap_needed;
171 
172 #ifdef BSWAP_NEEDED
173         bswap_needed = 1;
174 #else
175         bswap_needed = 0;
176 #endif
177         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
178                                kernel_addr, &kernel_top, NULL, 1, EM_SPARCV9, 0,
179                                0);
180         if (kernel_size < 0) {
181             *kernel_addr = KERNEL_LOAD_ADDR;
182             *kernel_entry = KERNEL_LOAD_ADDR;
183             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
184                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
185                                     TARGET_PAGE_SIZE);
186         }
187         if (kernel_size < 0) {
188             kernel_size = load_image_targphys(kernel_filename,
189                                               KERNEL_LOAD_ADDR,
190                                               RAM_size - KERNEL_LOAD_ADDR);
191         }
192         if (kernel_size < 0) {
193             error_report("could not load kernel '%s'", kernel_filename);
194             exit(1);
195         }
196         /* load initrd above kernel */
197         *initrd_size = 0;
198         if (initrd_filename && kernel_top) {
199             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
200 
201             *initrd_size = load_image_targphys(initrd_filename,
202                                                *initrd_addr,
203                                                RAM_size - *initrd_addr);
204             if ((int)*initrd_size < 0) {
205                 error_report("could not load initial ram disk '%s'",
206                              initrd_filename);
207                 exit(1);
208             }
209         }
210         if (*initrd_size > 0) {
211             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
212                 ptr = rom_ptr(*kernel_addr + i, 32);
213                 if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
214                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
215                     stl_p(ptr + 28, *initrd_size);
216                     break;
217                 }
218             }
219         }
220     }
221     return kernel_size;
222 }
223 
224 typedef struct ResetData {
225     SPARCCPU *cpu;
226     uint64_t prom_addr;
227 } ResetData;
228 
229 #define TYPE_SUN4U_POWER "power"
230 OBJECT_DECLARE_SIMPLE_TYPE(PowerDevice, SUN4U_POWER)
231 
232 struct PowerDevice {
233     SysBusDevice parent_obj;
234 
235     MemoryRegion power_mmio;
236 };
237 
238 /* Power */
239 static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
240 {
241     return 0;
242 }
243 
244 static void power_mem_write(void *opaque, hwaddr addr,
245                             uint64_t val, unsigned size)
246 {
247     /* According to a real Ultra 5, bit 24 controls the power */
248     if (val & 0x1000000) {
249         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
250     }
251 }
252 
253 static const MemoryRegionOps power_mem_ops = {
254     .read = power_mem_read,
255     .write = power_mem_write,
256     .endianness = DEVICE_NATIVE_ENDIAN,
257     .valid = {
258         .min_access_size = 4,
259         .max_access_size = 4,
260     },
261 };
262 
263 static void power_realize(DeviceState *dev, Error **errp)
264 {
265     PowerDevice *d = SUN4U_POWER(dev);
266     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
267 
268     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
269                           "power", sizeof(uint32_t));
270 
271     sysbus_init_mmio(sbd, &d->power_mmio);
272 }
273 
274 static void power_class_init(ObjectClass *klass, void *data)
275 {
276     DeviceClass *dc = DEVICE_CLASS(klass);
277 
278     dc->realize = power_realize;
279 }
280 
281 static const TypeInfo power_info = {
282     .name          = TYPE_SUN4U_POWER,
283     .parent        = TYPE_SYS_BUS_DEVICE,
284     .instance_size = sizeof(PowerDevice),
285     .class_init    = power_class_init,
286 };
287 
288 static void ebus_isa_irq_handler(void *opaque, int n, int level)
289 {
290     EbusState *s = EBUS(opaque);
291     qemu_irq irq = s->isa_bus_irqs[n];
292 
293     /* Pass ISA bus IRQs onto their gpio equivalent */
294     trace_ebus_isa_irq_handler(n, level);
295     if (irq) {
296         qemu_set_irq(irq, level);
297     }
298 }
299 
300 /* EBUS (Eight bit bus) bridge */
301 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
302 {
303     EbusState *s = EBUS(pci_dev);
304     ISADevice *isa_dev;
305     SysBusDevice *sbd;
306     DeviceState *dev;
307     qemu_irq *isa_irq;
308     DriveInfo *fd[MAX_FD];
309     int i;
310 
311     s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
312                              pci_address_space_io(pci_dev), errp);
313     if (!s->isa_bus) {
314         error_setg(errp, "unable to instantiate EBUS ISA bus");
315         return;
316     }
317 
318     /* ISA bus */
319     isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
320     isa_bus_irqs(s->isa_bus, isa_irq);
321     qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
322                              ISA_NUM_IRQS);
323 
324     /* Serial ports */
325     i = 0;
326     if (s->console_serial_base) {
327         serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
328                        0, NULL, 115200, serial_hd(i), DEVICE_BIG_ENDIAN);
329         i++;
330     }
331     serial_hds_isa_init(s->isa_bus, i, MAX_ISA_SERIAL_PORTS);
332 
333     /* Parallel ports */
334     parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
335 
336     /* Keyboard */
337     isa_create_simple(s->isa_bus, "i8042");
338 
339     /* Floppy */
340     for (i = 0; i < MAX_FD; i++) {
341         fd[i] = drive_get(IF_FLOPPY, 0, i);
342     }
343     isa_dev = isa_new(TYPE_ISA_FDC);
344     dev = DEVICE(isa_dev);
345     qdev_prop_set_uint32(dev, "dma", -1);
346     isa_realize_and_unref(isa_dev, s->isa_bus, &error_fatal);
347     isa_fdc_init_drives(isa_dev, fd);
348 
349     /* Power */
350     dev = qdev_new(TYPE_SUN4U_POWER);
351     sbd = SYS_BUS_DEVICE(dev);
352     sysbus_realize_and_unref(sbd, &error_fatal);
353     memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
354                                 sysbus_mmio_get_region(sbd, 0));
355 
356     /* PCI */
357     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
358     pci_dev->config[0x05] = 0x00;
359     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
360     pci_dev->config[0x07] = 0x03; // status = medium devsel
361     pci_dev->config[0x09] = 0x00; // programming i/f
362     pci_dev->config[0x0D] = 0x0a; // latency_timer
363 
364     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
365                              0, 0x1000000);
366     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
367     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
368                              0, 0x8000);
369     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
370 }
371 
372 static Property ebus_properties[] = {
373     DEFINE_PROP_UINT64("console-serial-base", EbusState,
374                        console_serial_base, 0),
375     DEFINE_PROP_END_OF_LIST(),
376 };
377 
378 static void ebus_class_init(ObjectClass *klass, void *data)
379 {
380     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
381     DeviceClass *dc = DEVICE_CLASS(klass);
382 
383     k->realize = ebus_realize;
384     k->vendor_id = PCI_VENDOR_ID_SUN;
385     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
386     k->revision = 0x01;
387     k->class_id = PCI_CLASS_BRIDGE_OTHER;
388     device_class_set_props(dc, ebus_properties);
389 }
390 
391 static const TypeInfo ebus_info = {
392     .name          = TYPE_EBUS,
393     .parent        = TYPE_PCI_DEVICE,
394     .class_init    = ebus_class_init,
395     .instance_size = sizeof(EbusState),
396     .interfaces = (InterfaceInfo[]) {
397         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
398         { },
399     },
400 };
401 
402 #define TYPE_OPENPROM "openprom"
403 typedef struct PROMState PROMState;
404 DECLARE_INSTANCE_CHECKER(PROMState, OPENPROM,
405                          TYPE_OPENPROM)
406 
407 struct PROMState {
408     SysBusDevice parent_obj;
409 
410     MemoryRegion prom;
411 };
412 
413 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
414 {
415     hwaddr *base_addr = (hwaddr *)opaque;
416     return addr + *base_addr - PROM_VADDR;
417 }
418 
419 /* Boot PROM (OpenBIOS) */
420 static void prom_init(hwaddr addr, const char *bios_name)
421 {
422     DeviceState *dev;
423     SysBusDevice *s;
424     char *filename;
425     int ret;
426 
427     dev = qdev_new(TYPE_OPENPROM);
428     s = SYS_BUS_DEVICE(dev);
429     sysbus_realize_and_unref(s, &error_fatal);
430 
431     sysbus_mmio_map(s, 0, addr);
432 
433     /* load boot prom */
434     if (bios_name == NULL) {
435         bios_name = PROM_FILENAME;
436     }
437     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
438     if (filename) {
439         ret = load_elf(filename, NULL, translate_prom_address, &addr,
440                        NULL, NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
441         if (ret < 0 || ret > PROM_SIZE_MAX) {
442             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
443         }
444         g_free(filename);
445     } else {
446         ret = -1;
447     }
448     if (ret < 0 || ret > PROM_SIZE_MAX) {
449         error_report("could not load prom '%s'", bios_name);
450         exit(1);
451     }
452 }
453 
454 static void prom_realize(DeviceState *ds, Error **errp)
455 {
456     PROMState *s = OPENPROM(ds);
457     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
458     Error *local_err = NULL;
459 
460     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
461                                      PROM_SIZE_MAX, &local_err);
462     if (local_err) {
463         error_propagate(errp, local_err);
464         return;
465     }
466 
467     vmstate_register_ram_global(&s->prom);
468     memory_region_set_readonly(&s->prom, true);
469     sysbus_init_mmio(dev, &s->prom);
470 }
471 
472 static Property prom_properties[] = {
473     {/* end of property list */},
474 };
475 
476 static void prom_class_init(ObjectClass *klass, void *data)
477 {
478     DeviceClass *dc = DEVICE_CLASS(klass);
479 
480     device_class_set_props(dc, prom_properties);
481     dc->realize = prom_realize;
482 }
483 
484 static const TypeInfo prom_info = {
485     .name          = TYPE_OPENPROM,
486     .parent        = TYPE_SYS_BUS_DEVICE,
487     .instance_size = sizeof(PROMState),
488     .class_init    = prom_class_init,
489 };
490 
491 
492 #define TYPE_SUN4U_MEMORY "memory"
493 typedef struct RamDevice RamDevice;
494 DECLARE_INSTANCE_CHECKER(RamDevice, SUN4U_RAM,
495                          TYPE_SUN4U_MEMORY)
496 
497 struct RamDevice {
498     SysBusDevice parent_obj;
499 
500     MemoryRegion ram;
501     uint64_t size;
502 };
503 
504 /* System RAM */
505 static void ram_realize(DeviceState *dev, Error **errp)
506 {
507     RamDevice *d = SUN4U_RAM(dev);
508     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
509 
510     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
511                            &error_fatal);
512     vmstate_register_ram_global(&d->ram);
513     sysbus_init_mmio(sbd, &d->ram);
514 }
515 
516 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
517 {
518     DeviceState *dev;
519     SysBusDevice *s;
520     RamDevice *d;
521 
522     /* allocate RAM */
523     dev = qdev_new(TYPE_SUN4U_MEMORY);
524     s = SYS_BUS_DEVICE(dev);
525 
526     d = SUN4U_RAM(dev);
527     d->size = RAM_size;
528     sysbus_realize_and_unref(s, &error_fatal);
529 
530     sysbus_mmio_map(s, 0, addr);
531 }
532 
533 static Property ram_properties[] = {
534     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
535     DEFINE_PROP_END_OF_LIST(),
536 };
537 
538 static void ram_class_init(ObjectClass *klass, void *data)
539 {
540     DeviceClass *dc = DEVICE_CLASS(klass);
541 
542     dc->realize = ram_realize;
543     device_class_set_props(dc, ram_properties);
544 }
545 
546 static const TypeInfo ram_info = {
547     .name          = TYPE_SUN4U_MEMORY,
548     .parent        = TYPE_SYS_BUS_DEVICE,
549     .instance_size = sizeof(RamDevice),
550     .class_init    = ram_class_init,
551 };
552 
553 static void sun4uv_init(MemoryRegion *address_space_mem,
554                         MachineState *machine,
555                         const struct hwdef *hwdef)
556 {
557     SPARCCPU *cpu;
558     Nvram *nvram;
559     unsigned int i;
560     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
561     SabreState *sabre;
562     PCIBus *pci_bus, *pci_busA, *pci_busB;
563     PCIDevice *ebus, *pci_dev;
564     SysBusDevice *s;
565     DeviceState *iommu, *dev;
566     FWCfgState *fw_cfg;
567     NICInfo *nd;
568     MACAddr macaddr;
569     bool onboard_nic;
570 
571     /* init CPUs */
572     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
573 
574     /* IOMMU */
575     iommu = qdev_new(TYPE_SUN4U_IOMMU);
576     sysbus_realize_and_unref(SYS_BUS_DEVICE(iommu), &error_fatal);
577 
578     /* set up devices */
579     ram_init(0, machine->ram_size);
580 
581     prom_init(hwdef->prom_addr, machine->firmware);
582 
583     /* Init sabre (PCI host bridge) */
584     sabre = SABRE(qdev_new(TYPE_SABRE));
585     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
586     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
587     object_property_set_link(OBJECT(sabre), "iommu", OBJECT(iommu),
588                              &error_abort);
589     sysbus_realize_and_unref(SYS_BUS_DEVICE(sabre), &error_fatal);
590 
591     /* sabre_config */
592     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 0, PBM_SPECIAL_BASE);
593     /* PCI configuration space */
594     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 1, PBM_SPECIAL_BASE + 0x1000000ULL);
595     /* pci_ioport */
596     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 2, PBM_SPECIAL_BASE + 0x2000000ULL);
597 
598     /* Wire up PCI interrupts to CPU */
599     for (i = 0; i < IVEC_MAX; i++) {
600         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
601             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
602     }
603 
604     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
605     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
606     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
607 
608     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
609        reserved (leaving no slots free after on-board devices) however slots
610        0-3 are free on busB */
611     pci_bus->slot_reserved_mask = 0xfffffffc;
612     pci_busA->slot_reserved_mask = 0xfffffff1;
613     pci_busB->slot_reserved_mask = 0xfffffff0;
614 
615     ebus = pci_new_multifunction(PCI_DEVFN(1, 0), true, TYPE_EBUS);
616     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
617                          hwdef->console_serial_base);
618     pci_realize_and_unref(ebus, pci_busA, &error_fatal);
619 
620     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
621     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
622         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
623     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
624         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
625     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
626         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
627     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
628         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
629     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
630         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
631 
632     switch (vga_interface_type) {
633     case VGA_STD:
634         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
635         break;
636     case VGA_NONE:
637         break;
638     default:
639         abort();   /* Should not happen - types are checked in vl.c already */
640     }
641 
642     memset(&macaddr, 0, sizeof(MACAddr));
643     onboard_nic = false;
644     for (i = 0; i < nb_nics; i++) {
645         PCIBus *bus;
646         nd = &nd_table[i];
647 
648         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
649             if (!onboard_nic) {
650                 pci_dev = pci_new_multifunction(PCI_DEVFN(1, 1),
651                                                    true, "sunhme");
652                 bus = pci_busA;
653                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
654                 onboard_nic = true;
655             } else {
656                 pci_dev = pci_new(-1, "sunhme");
657                 bus = pci_busB;
658             }
659         } else {
660             pci_dev = pci_new(-1, nd->model);
661             bus = pci_busB;
662         }
663 
664         dev = &pci_dev->qdev;
665         qdev_set_nic_properties(dev, nd);
666         pci_realize_and_unref(pci_dev, bus, &error_fatal);
667     }
668 
669     /* If we don't have an onboard NIC, grab a default MAC address so that
670      * we have a valid machine id */
671     if (!onboard_nic) {
672         qemu_macaddr_default_if_unset(&macaddr);
673     }
674 
675     pci_dev = pci_new(PCI_DEVFN(3, 0), "cmd646-ide");
676     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
677     pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
678     pci_ide_create_devs(pci_dev);
679 
680     /* Map NVRAM into I/O (ebus) space */
681     dev = qdev_new("sysbus-m48t59");
682     qdev_prop_set_int32(dev, "base-year", 1968);
683     s = SYS_BUS_DEVICE(dev);
684     sysbus_realize_and_unref(s, &error_fatal);
685     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
686                                 sysbus_mmio_get_region(s, 0));
687     nvram = NVRAM(dev);
688 
689     initrd_size = 0;
690     initrd_addr = 0;
691     kernel_size = sun4u_load_kernel(machine->kernel_filename,
692                                     machine->initrd_filename,
693                                     machine->ram_size, &initrd_size, &initrd_addr,
694                                     &kernel_addr, &kernel_entry);
695 
696     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
697                            machine->boot_order,
698                            kernel_addr, kernel_size,
699                            machine->kernel_cmdline,
700                            initrd_addr, initrd_size,
701                            /* XXX: need an option to load a NVRAM image */
702                            0,
703                            graphic_width, graphic_height, graphic_depth,
704                            (uint8_t *)&macaddr);
705 
706     dev = qdev_new(TYPE_FW_CFG_IO);
707     qdev_prop_set_bit(dev, "dma_enabled", false);
708     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
709     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
710     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
711                                 &FW_CFG_IO(dev)->comb_iomem);
712 
713     fw_cfg = FW_CFG(dev);
714     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
715     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
716     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
717     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
718     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
719     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
720     if (machine->kernel_cmdline) {
721         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
722                        strlen(machine->kernel_cmdline) + 1);
723         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
724     } else {
725         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
726     }
727     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
728     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
729     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
730 
731     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
732     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
733     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
734 
735     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
736 }
737 
738 enum {
739     sun4u_id = 0,
740     sun4v_id = 64,
741 };
742 
743 /*
744  * Implementation of an interface to adjust firmware path
745  * for the bootindex property handling.
746  */
747 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
748                                DeviceState *dev)
749 {
750     PCIDevice *pci;
751 
752     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
753         pci = PCI_DEVICE(dev);
754 
755         if (PCI_FUNC(pci->devfn)) {
756             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
757                                    PCI_FUNC(pci->devfn));
758         } else {
759             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
760         }
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