xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision 4272ad40189c73324da59047f5232ec795111c4b)
1 /*
2  * QEMU Sun4u/Sun4v System Emulator
3  *
4  * Copyright (c) 2005 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 #include "qemu/osdep.h"
25 #include "qapi/error.h"
26 #include "qemu-common.h"
27 #include "cpu.h"
28 #include "hw/hw.h"
29 #include "hw/pci/pci.h"
30 #include "hw/pci/pci_bridge.h"
31 #include "hw/pci/pci_bus.h"
32 #include "hw/pci-host/apb.h"
33 #include "hw/i386/pc.h"
34 #include "hw/char/serial.h"
35 #include "hw/timer/m48t59.h"
36 #include "hw/block/fdc.h"
37 #include "net/net.h"
38 #include "qemu/timer.h"
39 #include "sysemu/sysemu.h"
40 #include "hw/boards.h"
41 #include "hw/nvram/sun_nvram.h"
42 #include "hw/nvram/chrp_nvram.h"
43 #include "hw/sparc/sparc64.h"
44 #include "hw/nvram/fw_cfg.h"
45 #include "hw/sysbus.h"
46 #include "hw/ide.h"
47 #include "hw/ide/pci.h"
48 #include "hw/loader.h"
49 #include "elf.h"
50 #include "qemu/cutils.h"
51 
52 //#define DEBUG_EBUS
53 
54 #ifdef DEBUG_EBUS
55 #define EBUS_DPRINTF(fmt, ...)                                  \
56     do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
57 #else
58 #define EBUS_DPRINTF(fmt, ...)
59 #endif
60 
61 #define KERNEL_LOAD_ADDR     0x00404000
62 #define CMDLINE_ADDR         0x003ff000
63 #define PROM_SIZE_MAX        (4 * 1024 * 1024)
64 #define PROM_VADDR           0x000ffd00000ULL
65 #define APB_SPECIAL_BASE     0x1fe00000000ULL
66 #define APB_MEM_BASE         0x1ff00000000ULL
67 #define APB_PCI_IO_BASE      (APB_SPECIAL_BASE + 0x02000000ULL)
68 #define PROM_FILENAME        "openbios-sparc64"
69 #define NVRAM_SIZE           0x2000
70 #define MAX_IDE_BUS          2
71 #define BIOS_CFG_IOPORT      0x510
72 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
73 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
74 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
75 
76 #define IVEC_MAX             0x40
77 
78 struct hwdef {
79     uint16_t machine_id;
80     uint64_t prom_addr;
81     uint64_t console_serial_base;
82 };
83 
84 typedef struct EbusState {
85     /*< private >*/
86     PCIDevice parent_obj;
87 
88     ISABus *isa_bus;
89     uint64_t console_serial_base;
90     MemoryRegion bar0;
91     MemoryRegion bar1;
92 } EbusState;
93 
94 #define TYPE_EBUS "ebus"
95 #define EBUS(obj) OBJECT_CHECK(EbusState, (obj), TYPE_EBUS)
96 
97 void DMA_init(ISABus *bus, int high_page_enable)
98 {
99 }
100 
101 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
102                             Error **errp)
103 {
104     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
105 }
106 
107 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
108                                   const char *arch, ram_addr_t RAM_size,
109                                   const char *boot_devices,
110                                   uint32_t kernel_image, uint32_t kernel_size,
111                                   const char *cmdline,
112                                   uint32_t initrd_image, uint32_t initrd_size,
113                                   uint32_t NVRAM_image,
114                                   int width, int height, int depth,
115                                   const uint8_t *macaddr)
116 {
117     unsigned int i;
118     int sysp_end;
119     uint8_t image[0x1ff0];
120     NvramClass *k = NVRAM_GET_CLASS(nvram);
121 
122     memset(image, '\0', sizeof(image));
123 
124     /* OpenBIOS nvram variables partition */
125     sysp_end = chrp_nvram_create_system_partition(image, 0);
126 
127     /* Free space partition */
128     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
129 
130     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
131 
132     for (i = 0; i < sizeof(image); i++) {
133         (k->write)(nvram, i, image[i]);
134     }
135 
136     return 0;
137 }
138 
139 static uint64_t sun4u_load_kernel(const char *kernel_filename,
140                                   const char *initrd_filename,
141                                   ram_addr_t RAM_size, uint64_t *initrd_size,
142                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
143                                   uint64_t *kernel_entry)
144 {
145     int linux_boot;
146     unsigned int i;
147     long kernel_size;
148     uint8_t *ptr;
149     uint64_t kernel_top;
150 
151     linux_boot = (kernel_filename != NULL);
152 
153     kernel_size = 0;
154     if (linux_boot) {
155         int bswap_needed;
156 
157 #ifdef BSWAP_NEEDED
158         bswap_needed = 1;
159 #else
160         bswap_needed = 0;
161 #endif
162         kernel_size = load_elf(kernel_filename, NULL, NULL, kernel_entry,
163                                kernel_addr, &kernel_top, 1, EM_SPARCV9, 0, 0);
164         if (kernel_size < 0) {
165             *kernel_addr = KERNEL_LOAD_ADDR;
166             *kernel_entry = KERNEL_LOAD_ADDR;
167             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
168                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
169                                     TARGET_PAGE_SIZE);
170         }
171         if (kernel_size < 0) {
172             kernel_size = load_image_targphys(kernel_filename,
173                                               KERNEL_LOAD_ADDR,
174                                               RAM_size - KERNEL_LOAD_ADDR);
175         }
176         if (kernel_size < 0) {
177             fprintf(stderr, "qemu: could not load kernel '%s'\n",
178                     kernel_filename);
179             exit(1);
180         }
181         /* load initrd above kernel */
182         *initrd_size = 0;
183         if (initrd_filename) {
184             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
185 
186             *initrd_size = load_image_targphys(initrd_filename,
187                                                *initrd_addr,
188                                                RAM_size - *initrd_addr);
189             if ((int)*initrd_size < 0) {
190                 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
191                         initrd_filename);
192                 exit(1);
193             }
194         }
195         if (*initrd_size > 0) {
196             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
197                 ptr = rom_ptr(*kernel_addr + i);
198                 if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
199                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
200                     stl_p(ptr + 28, *initrd_size);
201                     break;
202                 }
203             }
204         }
205     }
206     return kernel_size;
207 }
208 
209 typedef struct ResetData {
210     SPARCCPU *cpu;
211     uint64_t prom_addr;
212 } ResetData;
213 
214 static void isa_irq_handler(void *opaque, int n, int level)
215 {
216     static const int isa_irq_to_ivec[16] = {
217         [1] = 0x29, /* keyboard */
218         [4] = 0x2b, /* serial */
219         [6] = 0x27, /* floppy */
220         [7] = 0x22, /* parallel */
221         [12] = 0x2a, /* mouse */
222     };
223     qemu_irq *irqs = opaque;
224     int ivec;
225 
226     assert(n < ARRAY_SIZE(isa_irq_to_ivec));
227     ivec = isa_irq_to_ivec[n];
228     EBUS_DPRINTF("Set ISA IRQ %d level %d -> ivec 0x%x\n", n, level, ivec);
229     if (ivec) {
230         qemu_set_irq(irqs[ivec], level);
231     }
232 }
233 
234 /* EBUS (Eight bit bus) bridge */
235 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
236 {
237     EbusState *s = EBUS(pci_dev);
238     APBState *apb;
239     DeviceState *dev;
240     qemu_irq *isa_irq;
241     DriveInfo *fd[MAX_FD];
242     int i;
243 
244     s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
245                              pci_address_space_io(pci_dev), errp);
246     if (!s->isa_bus) {
247         error_setg(errp, "unable to instantiate EBUS ISA bus");
248         return;
249     }
250 
251     apb = APB_DEVICE(object_resolve_path_type("", TYPE_APB, NULL));
252     if (!apb) {
253         error_setg(errp, "unable to locate APB PCI host bridge");
254         return;
255     }
256 
257     isa_irq = qemu_allocate_irqs(isa_irq_handler, apb->pbm_irqs, 16);
258     isa_bus_irqs(s->isa_bus, isa_irq);
259 
260     /* Serial ports */
261     i = 0;
262     if (s->console_serial_base) {
263         serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
264                        0, NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN);
265         i++;
266     }
267     serial_hds_isa_init(s->isa_bus, i, MAX_SERIAL_PORTS);
268 
269     /* Parallel ports */
270     parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
271 
272     /* Keyboard */
273     isa_create_simple(s->isa_bus, "i8042");
274 
275     /* Floppy */
276     for (i = 0; i < MAX_FD; i++) {
277         fd[i] = drive_get(IF_FLOPPY, 0, i);
278     }
279     dev = DEVICE(isa_create(s->isa_bus, TYPE_ISA_FDC));
280     if (fd[0]) {
281         qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
282                             &error_abort);
283     }
284     if (fd[1]) {
285         qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
286                             &error_abort);
287     }
288     qdev_prop_set_uint32(dev, "dma", -1);
289     qdev_init_nofail(dev);
290 
291     /* PCI */
292     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
293     pci_dev->config[0x05] = 0x00;
294     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
295     pci_dev->config[0x07] = 0x03; // status = medium devsel
296     pci_dev->config[0x09] = 0x00; // programming i/f
297     pci_dev->config[0x0D] = 0x0a; // latency_timer
298 
299     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
300                              0, 0x1000000);
301     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
302     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
303                              0, 0x4000);
304     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
305 }
306 
307 static Property ebus_properties[] = {
308     DEFINE_PROP_UINT64("console-serial-base", EbusState,
309                        console_serial_base, 0),
310     DEFINE_PROP_END_OF_LIST(),
311 };
312 
313 static void ebus_class_init(ObjectClass *klass, void *data)
314 {
315     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
316     DeviceClass *dc = DEVICE_CLASS(klass);
317 
318     k->realize = ebus_realize;
319     k->vendor_id = PCI_VENDOR_ID_SUN;
320     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
321     k->revision = 0x01;
322     k->class_id = PCI_CLASS_BRIDGE_OTHER;
323     dc->props = ebus_properties;
324 }
325 
326 static const TypeInfo ebus_info = {
327     .name          = TYPE_EBUS,
328     .parent        = TYPE_PCI_DEVICE,
329     .class_init    = ebus_class_init,
330     .instance_size = sizeof(EbusState),
331     .interfaces = (InterfaceInfo[]) {
332         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
333         { },
334     },
335 };
336 
337 #define TYPE_OPENPROM "openprom"
338 #define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
339 
340 typedef struct PROMState {
341     SysBusDevice parent_obj;
342 
343     MemoryRegion prom;
344 } PROMState;
345 
346 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
347 {
348     hwaddr *base_addr = (hwaddr *)opaque;
349     return addr + *base_addr - PROM_VADDR;
350 }
351 
352 /* Boot PROM (OpenBIOS) */
353 static void prom_init(hwaddr addr, const char *bios_name)
354 {
355     DeviceState *dev;
356     SysBusDevice *s;
357     char *filename;
358     int ret;
359 
360     dev = qdev_create(NULL, TYPE_OPENPROM);
361     qdev_init_nofail(dev);
362     s = SYS_BUS_DEVICE(dev);
363 
364     sysbus_mmio_map(s, 0, addr);
365 
366     /* load boot prom */
367     if (bios_name == NULL) {
368         bios_name = PROM_FILENAME;
369     }
370     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
371     if (filename) {
372         ret = load_elf(filename, translate_prom_address, &addr,
373                        NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
374         if (ret < 0 || ret > PROM_SIZE_MAX) {
375             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
376         }
377         g_free(filename);
378     } else {
379         ret = -1;
380     }
381     if (ret < 0 || ret > PROM_SIZE_MAX) {
382         fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
383         exit(1);
384     }
385 }
386 
387 static void prom_init1(Object *obj)
388 {
389     PROMState *s = OPENPROM(obj);
390     SysBusDevice *dev = SYS_BUS_DEVICE(obj);
391 
392     memory_region_init_ram_nomigrate(&s->prom, obj, "sun4u.prom", PROM_SIZE_MAX,
393                            &error_fatal);
394     vmstate_register_ram_global(&s->prom);
395     memory_region_set_readonly(&s->prom, true);
396     sysbus_init_mmio(dev, &s->prom);
397 }
398 
399 static Property prom_properties[] = {
400     {/* end of property list */},
401 };
402 
403 static void prom_class_init(ObjectClass *klass, void *data)
404 {
405     DeviceClass *dc = DEVICE_CLASS(klass);
406 
407     dc->props = prom_properties;
408 }
409 
410 static const TypeInfo prom_info = {
411     .name          = TYPE_OPENPROM,
412     .parent        = TYPE_SYS_BUS_DEVICE,
413     .instance_size = sizeof(PROMState),
414     .class_init    = prom_class_init,
415     .instance_init = prom_init1,
416 };
417 
418 
419 #define TYPE_SUN4U_MEMORY "memory"
420 #define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY)
421 
422 typedef struct RamDevice {
423     SysBusDevice parent_obj;
424 
425     MemoryRegion ram;
426     uint64_t size;
427 } RamDevice;
428 
429 /* System RAM */
430 static void ram_realize(DeviceState *dev, Error **errp)
431 {
432     RamDevice *d = SUN4U_RAM(dev);
433     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
434 
435     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
436                            &error_fatal);
437     vmstate_register_ram_global(&d->ram);
438     sysbus_init_mmio(sbd, &d->ram);
439 }
440 
441 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
442 {
443     DeviceState *dev;
444     SysBusDevice *s;
445     RamDevice *d;
446 
447     /* allocate RAM */
448     dev = qdev_create(NULL, TYPE_SUN4U_MEMORY);
449     s = SYS_BUS_DEVICE(dev);
450 
451     d = SUN4U_RAM(dev);
452     d->size = RAM_size;
453     qdev_init_nofail(dev);
454 
455     sysbus_mmio_map(s, 0, addr);
456 }
457 
458 static Property ram_properties[] = {
459     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
460     DEFINE_PROP_END_OF_LIST(),
461 };
462 
463 static void ram_class_init(ObjectClass *klass, void *data)
464 {
465     DeviceClass *dc = DEVICE_CLASS(klass);
466 
467     dc->realize = ram_realize;
468     dc->props = ram_properties;
469 }
470 
471 static const TypeInfo ram_info = {
472     .name          = TYPE_SUN4U_MEMORY,
473     .parent        = TYPE_SYS_BUS_DEVICE,
474     .instance_size = sizeof(RamDevice),
475     .class_init    = ram_class_init,
476 };
477 
478 static void sun4uv_init(MemoryRegion *address_space_mem,
479                         MachineState *machine,
480                         const struct hwdef *hwdef)
481 {
482     SPARCCPU *cpu;
483     Nvram *nvram;
484     unsigned int i;
485     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
486     APBState *apb;
487     PCIBus *pci_bus, *pci_busA, *pci_busB;
488     PCIDevice *ebus, *pci_dev;
489     SysBusDevice *s;
490     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
491     DeviceState *dev;
492     FWCfgState *fw_cfg;
493     NICInfo *nd;
494     MACAddr macaddr;
495     bool onboard_nic;
496 
497     /* init CPUs */
498     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
499 
500     /* set up devices */
501     ram_init(0, machine->ram_size);
502 
503     prom_init(hwdef->prom_addr, bios_name);
504 
505     apb = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE);
506 
507     /* Wire up PCI interrupts to CPU */
508     for (i = 0; i < IVEC_MAX; i++) {
509         qdev_connect_gpio_out_named(DEVICE(apb), "ivec-irq", i,
510             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
511     }
512 
513     pci_bus = PCI_HOST_BRIDGE(apb)->bus;
514     pci_busA = pci_bridge_get_sec_bus(apb->bridgeA);
515     pci_busB = pci_bridge_get_sec_bus(apb->bridgeB);
516 
517     /* Only in-built Simba PBMs can exist on the root bus, slot 0 on busA is
518        reserved (leaving no slots free after on-board devices) however slots
519        0-3 are free on busB */
520     pci_bus->slot_reserved_mask = 0xfffffffc;
521     pci_busA->slot_reserved_mask = 0xfffffff1;
522     pci_busB->slot_reserved_mask = 0xfffffff0;
523 
524     ebus = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 0), true, TYPE_EBUS);
525     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
526                          hwdef->console_serial_base);
527     qdev_init_nofail(DEVICE(ebus));
528 
529     pci_dev = pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
530 
531     memset(&macaddr, 0, sizeof(MACAddr));
532     onboard_nic = false;
533     for (i = 0; i < nb_nics; i++) {
534         nd = &nd_table[i];
535 
536         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
537             if (!onboard_nic) {
538                 pci_dev = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 1),
539                                                    true, "sunhme");
540                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
541                 onboard_nic = true;
542             } else {
543                 pci_dev = pci_create(pci_busB, -1, "sunhme");
544             }
545         } else {
546             pci_dev = pci_create(pci_busB, -1, nd->model);
547         }
548 
549         dev = &pci_dev->qdev;
550         qdev_set_nic_properties(dev, nd);
551         qdev_init_nofail(dev);
552     }
553 
554     /* If we don't have an onboard NIC, grab a default MAC address so that
555      * we have a valid machine id */
556     if (!onboard_nic) {
557         qemu_macaddr_default_if_unset(&macaddr);
558     }
559 
560     ide_drive_get(hd, ARRAY_SIZE(hd));
561 
562     pci_dev = pci_create(pci_busA, PCI_DEVFN(3, 0), "cmd646-ide");
563     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
564     qdev_init_nofail(&pci_dev->qdev);
565     pci_ide_create_devs(pci_dev, hd);
566 
567     /* Map NVRAM into I/O (ebus) space */
568     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
569     s = SYS_BUS_DEVICE(nvram);
570     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
571                                 sysbus_mmio_get_region(s, 0));
572 
573     initrd_size = 0;
574     initrd_addr = 0;
575     kernel_size = sun4u_load_kernel(machine->kernel_filename,
576                                     machine->initrd_filename,
577                                     ram_size, &initrd_size, &initrd_addr,
578                                     &kernel_addr, &kernel_entry);
579 
580     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
581                            machine->boot_order,
582                            kernel_addr, kernel_size,
583                            machine->kernel_cmdline,
584                            initrd_addr, initrd_size,
585                            /* XXX: need an option to load a NVRAM image */
586                            0,
587                            graphic_width, graphic_height, graphic_depth,
588                            (uint8_t *)&macaddr);
589 
590     dev = qdev_create(NULL, TYPE_FW_CFG_IO);
591     qdev_prop_set_bit(dev, "dma_enabled", false);
592     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev), NULL);
593     qdev_init_nofail(dev);
594     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
595                                 &FW_CFG_IO(dev)->comb_iomem);
596 
597     fw_cfg = FW_CFG(dev);
598     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
599     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
600     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
601     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
602     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
603     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
604     if (machine->kernel_cmdline) {
605         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
606                        strlen(machine->kernel_cmdline) + 1);
607         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
608     } else {
609         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
610     }
611     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
612     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
613     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
614 
615     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
616     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
617     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
618 
619     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
620 }
621 
622 enum {
623     sun4u_id = 0,
624     sun4v_id = 64,
625 };
626 
627 static const struct hwdef hwdefs[] = {
628     /* Sun4u generic PC-like machine */
629     {
630         .machine_id = sun4u_id,
631         .prom_addr = 0x1fff0000000ULL,
632         .console_serial_base = 0,
633     },
634     /* Sun4v generic PC-like machine */
635     {
636         .machine_id = sun4v_id,
637         .prom_addr = 0x1fff0000000ULL,
638         .console_serial_base = 0,
639     },
640 };
641 
642 /* Sun4u hardware initialisation */
643 static void sun4u_init(MachineState *machine)
644 {
645     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
646 }
647 
648 /* Sun4v hardware initialisation */
649 static void sun4v_init(MachineState *machine)
650 {
651     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
652 }
653 
654 static void sun4u_class_init(ObjectClass *oc, void *data)
655 {
656     MachineClass *mc = MACHINE_CLASS(oc);
657 
658     mc->desc = "Sun4u platform";
659     mc->init = sun4u_init;
660     mc->block_default_type = IF_IDE;
661     mc->max_cpus = 1; /* XXX for now */
662     mc->is_default = 1;
663     mc->default_boot_order = "c";
664     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
665 }
666 
667 static const TypeInfo sun4u_type = {
668     .name = MACHINE_TYPE_NAME("sun4u"),
669     .parent = TYPE_MACHINE,
670     .class_init = sun4u_class_init,
671 };
672 
673 static void sun4v_class_init(ObjectClass *oc, void *data)
674 {
675     MachineClass *mc = MACHINE_CLASS(oc);
676 
677     mc->desc = "Sun4v platform";
678     mc->init = sun4v_init;
679     mc->block_default_type = IF_IDE;
680     mc->max_cpus = 1; /* XXX for now */
681     mc->default_boot_order = "c";
682     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
683 }
684 
685 static const TypeInfo sun4v_type = {
686     .name = MACHINE_TYPE_NAME("sun4v"),
687     .parent = TYPE_MACHINE,
688     .class_init = sun4v_class_init,
689 };
690 
691 static void sun4u_register_types(void)
692 {
693     type_register_static(&ebus_info);
694     type_register_static(&prom_info);
695     type_register_static(&ram_info);
696 
697     type_register_static(&sun4u_type);
698     type_register_static(&sun4v_type);
699 }
700 
701 type_init(sun4u_register_types)
702