xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision feb58e3b)
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/irq.h"
32 #include "hw/pci/pci.h"
33 #include "hw/pci/pci_bridge.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-isa.h"
38 #include "hw/char/serial-mm.h"
39 #include "hw/char/parallel-isa.h"
40 #include "hw/rtc/m48t59.h"
41 #include "migration/vmstate.h"
42 #include "hw/input/i8042.h"
43 #include "hw/block/fdc.h"
44 #include "net/net.h"
45 #include "qemu/timer.h"
46 #include "sysemu/runstate.h"
47 #include "sysemu/sysemu.h"
48 #include "hw/boards.h"
49 #include "hw/nvram/sun_nvram.h"
50 #include "hw/nvram/chrp_nvram.h"
51 #include "hw/sparc/sparc64.h"
52 #include "hw/nvram/fw_cfg.h"
53 #include "hw/sysbus.h"
54 #include "hw/ide/pci.h"
55 #include "hw/loader.h"
56 #include "hw/fw-path-provider.h"
57 #include "elf.h"
58 #include "trace.h"
59 #include "qom/object.h"
60 
61 #define KERNEL_LOAD_ADDR     0x00404000
62 #define CMDLINE_ADDR         0x003ff000
63 #define PROM_SIZE_MAX        (4 * MiB)
64 #define PROM_VADDR           0x000ffd00000ULL
65 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
66 #define PBM_MEM_BASE         0x1ff00000000ULL
67 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
68 #define PROM_FILENAME        "openbios-sparc64"
69 #define NVRAM_SIZE           0x2000
70 #define 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_irqs_in;
89     qemu_irq isa_irqs_out[ISA_NUM_IRQS];
90     uint64_t console_serial_base;
91     MemoryRegion bar0;
92     MemoryRegion bar1;
93 };
94 
95 #define TYPE_EBUS "ebus"
96 OBJECT_DECLARE_SIMPLE_TYPE(EbusState, EBUS)
97 
98 const char *fw_cfg_arch_key_name(uint16_t key)
99 {
100     static const struct {
101         uint16_t key;
102         const char *name;
103     } fw_cfg_arch_wellknown_keys[] = {
104         {FW_CFG_SPARC64_WIDTH, "width"},
105         {FW_CFG_SPARC64_HEIGHT, "height"},
106         {FW_CFG_SPARC64_DEPTH, "depth"},
107     };
108 
109     for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
110         if (fw_cfg_arch_wellknown_keys[i].key == key) {
111             return fw_cfg_arch_wellknown_keys[i].name;
112         }
113     }
114     return NULL;
115 }
116 
117 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
118                             Error **errp)
119 {
120     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
121 }
122 
123 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
124                                   const char *arch, ram_addr_t RAM_size,
125                                   const char *boot_devices,
126                                   uint32_t kernel_image, uint32_t kernel_size,
127                                   const char *cmdline,
128                                   uint32_t initrd_image, uint32_t initrd_size,
129                                   uint32_t NVRAM_image,
130                                   int width, int height, int depth,
131                                   const uint8_t *macaddr)
132 {
133     unsigned int i;
134     int sysp_end;
135     uint8_t image[0x1ff0];
136     NvramClass *k = NVRAM_GET_CLASS(nvram);
137 
138     memset(image, '\0', sizeof(image));
139 
140     /* OpenBIOS nvram variables partition */
141     sysp_end = chrp_nvram_create_system_partition(image, 0, 0x1fd0);
142 
143     /* Free space partition */
144     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
145 
146     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
147 
148     for (i = 0; i < sizeof(image); i++) {
149         (k->write)(nvram, i, image[i]);
150     }
151 
152     return 0;
153 }
154 
155 static uint64_t sun4u_load_kernel(const char *kernel_filename,
156                                   const char *initrd_filename,
157                                   ram_addr_t RAM_size, uint64_t *initrd_size,
158                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
159                                   uint64_t *kernel_entry)
160 {
161     int linux_boot;
162     unsigned int i;
163     long kernel_size;
164     uint8_t *ptr;
165     uint64_t kernel_top = 0;
166 
167     linux_boot = (kernel_filename != NULL);
168 
169     kernel_size = 0;
170     if (linux_boot) {
171         int bswap_needed;
172 
173 #ifdef BSWAP_NEEDED
174         bswap_needed = 1;
175 #else
176         bswap_needed = 0;
177 #endif
178         kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
179                                kernel_addr, &kernel_top, NULL, 1, EM_SPARCV9, 0,
180                                0);
181         if (kernel_size < 0) {
182             *kernel_addr = KERNEL_LOAD_ADDR;
183             *kernel_entry = KERNEL_LOAD_ADDR;
184             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
185                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
186                                     TARGET_PAGE_SIZE);
187         }
188         if (kernel_size < 0) {
189             kernel_size = load_image_targphys(kernel_filename,
190                                               KERNEL_LOAD_ADDR,
191                                               RAM_size - KERNEL_LOAD_ADDR);
192         }
193         if (kernel_size < 0) {
194             error_report("could not load kernel '%s'", kernel_filename);
195             exit(1);
196         }
197         /* load initrd above kernel */
198         *initrd_size = 0;
199         if (initrd_filename && kernel_top) {
200             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
201 
202             *initrd_size = load_image_targphys(initrd_filename,
203                                                *initrd_addr,
204                                                RAM_size - *initrd_addr);
205             if ((int)*initrd_size < 0) {
206                 error_report("could not load initial ram disk '%s'",
207                              initrd_filename);
208                 exit(1);
209             }
210         }
211         if (*initrd_size > 0) {
212             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
213                 ptr = rom_ptr(*kernel_addr + i, 32);
214                 if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
215                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
216                     stl_p(ptr + 28, *initrd_size);
217                     break;
218                 }
219             }
220         }
221     }
222     return kernel_size;
223 }
224 
225 typedef struct ResetData {
226     SPARCCPU *cpu;
227     uint64_t prom_addr;
228 } ResetData;
229 
230 #define TYPE_SUN4U_POWER "power"
231 OBJECT_DECLARE_SIMPLE_TYPE(PowerDevice, SUN4U_POWER)
232 
233 struct PowerDevice {
234     SysBusDevice parent_obj;
235 
236     MemoryRegion power_mmio;
237 };
238 
239 /* Power */
240 static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
241 {
242     return 0;
243 }
244 
245 static void power_mem_write(void *opaque, hwaddr addr,
246                             uint64_t val, unsigned size)
247 {
248     /* According to a real Ultra 5, bit 24 controls the power */
249     if (val & 0x1000000) {
250         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
251     }
252 }
253 
254 static const MemoryRegionOps power_mem_ops = {
255     .read = power_mem_read,
256     .write = power_mem_write,
257     .endianness = DEVICE_NATIVE_ENDIAN,
258     .valid = {
259         .min_access_size = 4,
260         .max_access_size = 4,
261     },
262 };
263 
264 static void power_realize(DeviceState *dev, Error **errp)
265 {
266     PowerDevice *d = SUN4U_POWER(dev);
267     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
268 
269     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
270                           "power", sizeof(uint32_t));
271 
272     sysbus_init_mmio(sbd, &d->power_mmio);
273 }
274 
275 static void power_class_init(ObjectClass *klass, void *data)
276 {
277     DeviceClass *dc = DEVICE_CLASS(klass);
278 
279     dc->realize = power_realize;
280 }
281 
282 static const TypeInfo power_info = {
283     .name          = TYPE_SUN4U_POWER,
284     .parent        = TYPE_SYS_BUS_DEVICE,
285     .instance_size = sizeof(PowerDevice),
286     .class_init    = power_class_init,
287 };
288 
289 static void ebus_isa_irq_handler(void *opaque, int n, int level)
290 {
291     EbusState *s = EBUS(opaque);
292     qemu_irq irq = s->isa_irqs_out[n];
293 
294     /* Pass ISA bus IRQs onto their gpio equivalent */
295     trace_ebus_isa_irq_handler(n, level);
296     if (irq) {
297         qemu_set_irq(irq, level);
298     }
299 }
300 
301 /* EBUS (Eight bit bus) bridge */
302 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
303 {
304     EbusState *s = EBUS(pci_dev);
305     ISADevice *isa_dev;
306     SysBusDevice *sbd;
307     DeviceState *dev;
308     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     s->isa_irqs_in = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
320     isa_bus_register_input_irqs(s->isa_bus, s->isa_irqs_in);
321     qdev_init_gpio_out_named(DEVICE(s), s->isa_irqs_out, "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, TYPE_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     /*
365      * BAR0 is accessed by OpenBSD but not for ebus device access: allow any
366      * memory access to this region to succeed which allows the OpenBSD kernel
367      * to boot.
368      */
369     memory_region_init_io(&s->bar0, OBJECT(s), &unassigned_io_ops, s,
370                           "bar0", 0x1000000);
371     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
372     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1",
373                              pci_address_space_io(pci_dev), 0, 0x8000);
374     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
375 }
376 
377 static Property ebus_properties[] = {
378     DEFINE_PROP_UINT64("console-serial-base", EbusState,
379                        console_serial_base, 0),
380     DEFINE_PROP_END_OF_LIST(),
381 };
382 
383 static void ebus_class_init(ObjectClass *klass, void *data)
384 {
385     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
386     DeviceClass *dc = DEVICE_CLASS(klass);
387 
388     k->realize = ebus_realize;
389     k->vendor_id = PCI_VENDOR_ID_SUN;
390     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
391     k->revision = 0x01;
392     k->class_id = PCI_CLASS_BRIDGE_OTHER;
393     device_class_set_props(dc, ebus_properties);
394 }
395 
396 static const TypeInfo ebus_info = {
397     .name          = TYPE_EBUS,
398     .parent        = TYPE_PCI_DEVICE,
399     .class_init    = ebus_class_init,
400     .instance_size = sizeof(EbusState),
401     .interfaces = (InterfaceInfo[]) {
402         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
403         { },
404     },
405 };
406 
407 #define TYPE_OPENPROM "openprom"
408 typedef struct PROMState PROMState;
409 DECLARE_INSTANCE_CHECKER(PROMState, OPENPROM,
410                          TYPE_OPENPROM)
411 
412 struct PROMState {
413     SysBusDevice parent_obj;
414 
415     MemoryRegion prom;
416 };
417 
418 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
419 {
420     hwaddr *base_addr = (hwaddr *)opaque;
421     return addr + *base_addr - PROM_VADDR;
422 }
423 
424 /* Boot PROM (OpenBIOS) */
425 static void prom_init(hwaddr addr, const char *bios_name)
426 {
427     DeviceState *dev;
428     SysBusDevice *s;
429     char *filename;
430     int ret;
431 
432     dev = qdev_new(TYPE_OPENPROM);
433     s = SYS_BUS_DEVICE(dev);
434     sysbus_realize_and_unref(s, &error_fatal);
435 
436     sysbus_mmio_map(s, 0, addr);
437 
438     /* load boot prom */
439     if (bios_name == NULL) {
440         bios_name = PROM_FILENAME;
441     }
442     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
443     if (filename) {
444         ret = load_elf(filename, NULL, translate_prom_address, &addr,
445                        NULL, NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
446         if (ret < 0 || ret > PROM_SIZE_MAX) {
447             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
448         }
449         g_free(filename);
450     } else {
451         ret = -1;
452     }
453     if (ret < 0 || ret > PROM_SIZE_MAX) {
454         error_report("could not load prom '%s'", bios_name);
455         exit(1);
456     }
457 }
458 
459 static void prom_realize(DeviceState *ds, Error **errp)
460 {
461     PROMState *s = OPENPROM(ds);
462     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
463 
464     if (!memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
465                                           PROM_SIZE_MAX, errp)) {
466         return;
467     }
468 
469     vmstate_register_ram_global(&s->prom);
470     memory_region_set_readonly(&s->prom, true);
471     sysbus_init_mmio(dev, &s->prom);
472 }
473 
474 static Property prom_properties[] = {
475     {/* end of property list */},
476 };
477 
478 static void prom_class_init(ObjectClass *klass, void *data)
479 {
480     DeviceClass *dc = DEVICE_CLASS(klass);
481 
482     device_class_set_props(dc, prom_properties);
483     dc->realize = prom_realize;
484 }
485 
486 static const TypeInfo prom_info = {
487     .name          = TYPE_OPENPROM,
488     .parent        = TYPE_SYS_BUS_DEVICE,
489     .instance_size = sizeof(PROMState),
490     .class_init    = prom_class_init,
491 };
492 
493 
494 #define TYPE_SUN4U_MEMORY "memory"
495 typedef struct RamDevice RamDevice;
496 DECLARE_INSTANCE_CHECKER(RamDevice, SUN4U_RAM,
497                          TYPE_SUN4U_MEMORY)
498 
499 struct RamDevice {
500     SysBusDevice parent_obj;
501 
502     MemoryRegion ram;
503     uint64_t size;
504 };
505 
506 /* System RAM */
507 static void ram_realize(DeviceState *dev, Error **errp)
508 {
509     RamDevice *d = SUN4U_RAM(dev);
510     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
511 
512     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
513                            &error_fatal);
514     vmstate_register_ram_global(&d->ram);
515     sysbus_init_mmio(sbd, &d->ram);
516 }
517 
518 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
519 {
520     DeviceState *dev;
521     SysBusDevice *s;
522     RamDevice *d;
523 
524     /* allocate RAM */
525     dev = qdev_new(TYPE_SUN4U_MEMORY);
526     s = SYS_BUS_DEVICE(dev);
527 
528     d = SUN4U_RAM(dev);
529     d->size = RAM_size;
530     sysbus_realize_and_unref(s, &error_fatal);
531 
532     sysbus_mmio_map(s, 0, addr);
533 }
534 
535 static Property ram_properties[] = {
536     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
537     DEFINE_PROP_END_OF_LIST(),
538 };
539 
540 static void ram_class_init(ObjectClass *klass, void *data)
541 {
542     DeviceClass *dc = DEVICE_CLASS(klass);
543 
544     dc->realize = ram_realize;
545     device_class_set_props(dc, ram_properties);
546 }
547 
548 static const TypeInfo ram_info = {
549     .name          = TYPE_SUN4U_MEMORY,
550     .parent        = TYPE_SYS_BUS_DEVICE,
551     .instance_size = sizeof(RamDevice),
552     .class_init    = ram_class_init,
553 };
554 
555 static void sun4uv_init(MemoryRegion *address_space_mem,
556                         MachineState *machine,
557                         const struct hwdef *hwdef)
558 {
559     MachineClass *mc = MACHINE_GET_CLASS(machine);
560     SPARCCPU *cpu;
561     Nvram *nvram;
562     unsigned int i;
563     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
564     SabreState *sabre;
565     PCIBus *pci_bus, *pci_busA, *pci_busB;
566     PCIDevice *ebus, *pci_dev;
567     SysBusDevice *s;
568     DeviceState *iommu, *dev;
569     FWCfgState *fw_cfg;
570     NICInfo *nd;
571     MACAddr macaddr;
572     bool onboard_nic;
573 
574     /* init CPUs */
575     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
576 
577     /* IOMMU */
578     iommu = qdev_new(TYPE_SUN4U_IOMMU);
579     sysbus_realize_and_unref(SYS_BUS_DEVICE(iommu), &error_fatal);
580 
581     /* set up devices */
582     ram_init(0, machine->ram_size);
583 
584     prom_init(hwdef->prom_addr, machine->firmware);
585 
586     /* Init sabre (PCI host bridge) */
587     sabre = SABRE(qdev_new(TYPE_SABRE));
588     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
589     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
590     object_property_set_link(OBJECT(sabre), "iommu", OBJECT(iommu),
591                              &error_abort);
592     sysbus_realize_and_unref(SYS_BUS_DEVICE(sabre), &error_fatal);
593 
594     /* sabre_config */
595     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 0, PBM_SPECIAL_BASE);
596     /* PCI configuration space */
597     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 1, PBM_SPECIAL_BASE + 0x1000000ULL);
598     /* pci_ioport */
599     sysbus_mmio_map(SYS_BUS_DEVICE(sabre), 2, PBM_SPECIAL_BASE + 0x2000000ULL);
600 
601     /* Wire up PCI interrupts to CPU */
602     for (i = 0; i < IVEC_MAX; i++) {
603         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
604             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
605     }
606 
607     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
608     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
609     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
610 
611     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
612        reserved (leaving no slots free after on-board devices) however slots
613        0-3 are free on busB */
614     pci_bus_set_slot_reserved_mask(pci_bus, 0xfffffffc);
615     pci_bus_set_slot_reserved_mask(pci_busA, 0xfffffff1);
616     pci_bus_set_slot_reserved_mask(pci_busB, 0xfffffff0);
617 
618     ebus = pci_new_multifunction(PCI_DEVFN(1, 0), TYPE_EBUS);
619     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
620                          hwdef->console_serial_base);
621     pci_realize_and_unref(ebus, pci_busA, &error_fatal);
622 
623     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
624     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
625         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
626     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
627         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
628     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
629         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
630     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
631         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
632     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
633         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
634 
635     switch (vga_interface_type) {
636     case VGA_STD:
637         pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
638         vga_interface_created = true;
639         break;
640     case VGA_NONE:
641         break;
642     default:
643         abort();   /* Should not happen - types are checked in vl.c already */
644     }
645 
646     memset(&macaddr, 0, sizeof(MACAddr));
647     onboard_nic = false;
648 
649     nd = qemu_find_nic_info(mc->default_nic, true, NULL);
650     if (nd) {
651         pci_dev = pci_new_multifunction(PCI_DEVFN(1, 1), mc->default_nic);
652         dev = &pci_dev->qdev;
653         qdev_set_nic_properties(dev, nd);
654         pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
655 
656         memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
657         onboard_nic = true;
658     }
659     pci_init_nic_devices(pci_busB, mc->default_nic);
660 
661     /* If we don't have an onboard NIC, grab a default MAC address so that
662      * we have a valid machine id */
663     if (!onboard_nic) {
664         qemu_macaddr_default_if_unset(&macaddr);
665     }
666 
667     pci_dev = pci_new(PCI_DEVFN(3, 0), "cmd646-ide");
668     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
669     pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
670     pci_ide_create_devs(pci_dev);
671 
672     /* Map NVRAM into I/O (ebus) space */
673     dev = qdev_new("sysbus-m48t59");
674     qdev_prop_set_int32(dev, "base-year", 1968);
675     s = SYS_BUS_DEVICE(dev);
676     sysbus_realize_and_unref(s, &error_fatal);
677     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
678                                 sysbus_mmio_get_region(s, 0));
679     nvram = NVRAM(dev);
680 
681     initrd_size = 0;
682     initrd_addr = 0;
683     kernel_size = sun4u_load_kernel(machine->kernel_filename,
684                                     machine->initrd_filename,
685                                     machine->ram_size, &initrd_size, &initrd_addr,
686                                     &kernel_addr, &kernel_entry);
687 
688     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
689                            machine->boot_config.order,
690                            kernel_addr, kernel_size,
691                            machine->kernel_cmdline,
692                            initrd_addr, initrd_size,
693                            /* XXX: need an option to load a NVRAM image */
694                            0,
695                            graphic_width, graphic_height, graphic_depth,
696                            (uint8_t *)&macaddr);
697 
698     dev = qdev_new(TYPE_FW_CFG_IO);
699     qdev_prop_set_bit(dev, "dma_enabled", false);
700     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
701     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
702     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
703                                 &FW_CFG_IO(dev)->comb_iomem);
704 
705     fw_cfg = FW_CFG(dev);
706     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
707     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
708     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
709     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
710     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
711     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
712     if (machine->kernel_cmdline) {
713         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
714                        strlen(machine->kernel_cmdline) + 1);
715         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
716     } else {
717         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
718     }
719     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
720     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
721     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_config.order[0]);
722 
723     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
724     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
725     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
726 
727     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
728 }
729 
730 enum {
731     sun4u_id = 0,
732     sun4v_id = 64,
733 };
734 
735 /*
736  * Implementation of an interface to adjust firmware path
737  * for the bootindex property handling.
738  */
739 static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
740                                DeviceState *dev)
741 {
742     PCIDevice *pci;
743 
744     if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
745         pci = PCI_DEVICE(dev);
746 
747         if (PCI_FUNC(pci->devfn)) {
748             return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
749                                    PCI_FUNC(pci->devfn));
750         } else {
751             return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
752         }
753     }
754 
755     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
756         return g_strdup("disk");
757     }
758 
759     if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
760         return g_strdup("cdrom");
761     }
762 
763     if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
764         return g_strdup("disk");
765     }
766 
767     return NULL;
768 }
769 
770 static const struct hwdef hwdefs[] = {
771     /* Sun4u generic PC-like machine */
772     {
773         .machine_id = sun4u_id,
774         .prom_addr = 0x1fff0000000ULL,
775         .console_serial_base = 0,
776     },
777     /* Sun4v generic PC-like machine */
778     {
779         .machine_id = sun4v_id,
780         .prom_addr = 0x1fff0000000ULL,
781         .console_serial_base = 0,
782     },
783 };
784 
785 /* Sun4u hardware initialisation */
786 static void sun4u_init(MachineState *machine)
787 {
788     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
789 }
790 
791 /* Sun4v hardware initialisation */
792 static void sun4v_init(MachineState *machine)
793 {
794     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
795 }
796 
797 static GlobalProperty hw_compat_sparc64[] = {
798     { "virtio-pci", "disable-legacy", "on", .optional = true },
799     { "virtio-device", "iommu_platform", "on" },
800 };
801 static const size_t hw_compat_sparc64_len = G_N_ELEMENTS(hw_compat_sparc64);
802 
803 static void sun4u_class_init(ObjectClass *oc, void *data)
804 {
805     MachineClass *mc = MACHINE_CLASS(oc);
806     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
807 
808     mc->desc = "Sun4u platform";
809     mc->init = sun4u_init;
810     mc->block_default_type = IF_IDE;
811     mc->max_cpus = 1; /* XXX for now */
812     mc->is_default = true;
813     mc->default_boot_order = "c";
814     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
815     mc->ignore_boot_device_suffixes = true;
816     mc->default_display = "std";
817     mc->default_nic = "sunhme";
818     mc->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
819     fwc->get_dev_path = sun4u_fw_dev_path;
820     compat_props_add(mc->compat_props, hw_compat_sparc64, hw_compat_sparc64_len);
821 }
822 
823 static const TypeInfo sun4u_type = {
824     .name = MACHINE_TYPE_NAME("sun4u"),
825     .parent = TYPE_MACHINE,
826     .class_init = sun4u_class_init,
827     .interfaces = (InterfaceInfo[]) {
828         { TYPE_FW_PATH_PROVIDER },
829         { }
830     },
831 };
832 
833 static void sun4v_class_init(ObjectClass *oc, void *data)
834 {
835     MachineClass *mc = MACHINE_CLASS(oc);
836 
837     mc->desc = "Sun4v platform";
838     mc->init = sun4v_init;
839     mc->block_default_type = IF_IDE;
840     mc->max_cpus = 1; /* XXX for now */
841     mc->default_boot_order = "c";
842     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
843     mc->default_display = "std";
844     mc->default_nic = "sunhme";
845     mc->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
846 }
847 
848 static const TypeInfo sun4v_type = {
849     .name = MACHINE_TYPE_NAME("sun4v"),
850     .parent = TYPE_MACHINE,
851     .class_init = sun4v_class_init,
852 };
853 
854 static void sun4u_register_types(void)
855 {
856     type_register_static(&power_info);
857     type_register_static(&ebus_info);
858     type_register_static(&prom_info);
859     type_register_static(&ram_info);
860 
861     type_register_static(&sun4u_type);
862     type_register_static(&sun4v_type);
863 }
864 
865 type_init(sun4u_register_types)
866