xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision 7562f907)
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-host/apb.h"
31 #include "hw/i386/pc.h"
32 #include "hw/char/serial.h"
33 #include "hw/timer/m48t59.h"
34 #include "hw/block/fdc.h"
35 #include "net/net.h"
36 #include "qemu/timer.h"
37 #include "sysemu/sysemu.h"
38 #include "hw/boards.h"
39 #include "hw/nvram/sun_nvram.h"
40 #include "hw/nvram/chrp_nvram.h"
41 #include "hw/sparc/sparc64.h"
42 #include "hw/nvram/fw_cfg.h"
43 #include "hw/sysbus.h"
44 #include "hw/ide.h"
45 #include "hw/loader.h"
46 #include "elf.h"
47 #include "qemu/cutils.h"
48 
49 //#define DEBUG_EBUS
50 
51 #ifdef DEBUG_EBUS
52 #define EBUS_DPRINTF(fmt, ...)                                  \
53     do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
54 #else
55 #define EBUS_DPRINTF(fmt, ...)
56 #endif
57 
58 #define KERNEL_LOAD_ADDR     0x00404000
59 #define CMDLINE_ADDR         0x003ff000
60 #define PROM_SIZE_MAX        (4 * 1024 * 1024)
61 #define PROM_VADDR           0x000ffd00000ULL
62 #define APB_SPECIAL_BASE     0x1fe00000000ULL
63 #define APB_MEM_BASE         0x1ff00000000ULL
64 #define APB_PCI_IO_BASE      (APB_SPECIAL_BASE + 0x02000000ULL)
65 #define PROM_FILENAME        "openbios-sparc64"
66 #define NVRAM_SIZE           0x2000
67 #define MAX_IDE_BUS          2
68 #define BIOS_CFG_IOPORT      0x510
69 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
70 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
71 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
72 
73 #define IVEC_MAX             0x40
74 
75 struct hwdef {
76     const char * const default_cpu_model;
77     uint16_t machine_id;
78     uint64_t prom_addr;
79     uint64_t console_serial_base;
80 };
81 
82 typedef struct EbusState {
83     PCIDevice pci_dev;
84     MemoryRegion bar0;
85     MemoryRegion bar1;
86 } EbusState;
87 
88 void DMA_init(ISABus *bus, int high_page_enable)
89 {
90 }
91 
92 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
93                             Error **errp)
94 {
95     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
96 }
97 
98 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
99                                   const char *arch, ram_addr_t RAM_size,
100                                   const char *boot_devices,
101                                   uint32_t kernel_image, uint32_t kernel_size,
102                                   const char *cmdline,
103                                   uint32_t initrd_image, uint32_t initrd_size,
104                                   uint32_t NVRAM_image,
105                                   int width, int height, int depth,
106                                   const uint8_t *macaddr)
107 {
108     unsigned int i;
109     int sysp_end;
110     uint8_t image[0x1ff0];
111     NvramClass *k = NVRAM_GET_CLASS(nvram);
112 
113     memset(image, '\0', sizeof(image));
114 
115     /* OpenBIOS nvram variables partition */
116     sysp_end = chrp_nvram_create_system_partition(image, 0);
117 
118     /* Free space partition */
119     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
120 
121     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
122 
123     for (i = 0; i < sizeof(image); i++) {
124         (k->write)(nvram, i, image[i]);
125     }
126 
127     return 0;
128 }
129 
130 static uint64_t sun4u_load_kernel(const char *kernel_filename,
131                                   const char *initrd_filename,
132                                   ram_addr_t RAM_size, uint64_t *initrd_size,
133                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
134                                   uint64_t *kernel_entry)
135 {
136     int linux_boot;
137     unsigned int i;
138     long kernel_size;
139     uint8_t *ptr;
140     uint64_t kernel_top;
141 
142     linux_boot = (kernel_filename != NULL);
143 
144     kernel_size = 0;
145     if (linux_boot) {
146         int bswap_needed;
147 
148 #ifdef BSWAP_NEEDED
149         bswap_needed = 1;
150 #else
151         bswap_needed = 0;
152 #endif
153         kernel_size = load_elf(kernel_filename, NULL, NULL, kernel_entry,
154                                kernel_addr, &kernel_top, 1, EM_SPARCV9, 0, 0);
155         if (kernel_size < 0) {
156             *kernel_addr = KERNEL_LOAD_ADDR;
157             *kernel_entry = KERNEL_LOAD_ADDR;
158             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
159                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
160                                     TARGET_PAGE_SIZE);
161         }
162         if (kernel_size < 0) {
163             kernel_size = load_image_targphys(kernel_filename,
164                                               KERNEL_LOAD_ADDR,
165                                               RAM_size - KERNEL_LOAD_ADDR);
166         }
167         if (kernel_size < 0) {
168             fprintf(stderr, "qemu: could not load kernel '%s'\n",
169                     kernel_filename);
170             exit(1);
171         }
172         /* load initrd above kernel */
173         *initrd_size = 0;
174         if (initrd_filename) {
175             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
176 
177             *initrd_size = load_image_targphys(initrd_filename,
178                                                *initrd_addr,
179                                                RAM_size - *initrd_addr);
180             if ((int)*initrd_size < 0) {
181                 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
182                         initrd_filename);
183                 exit(1);
184             }
185         }
186         if (*initrd_size > 0) {
187             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
188                 ptr = rom_ptr(*kernel_addr + i);
189                 if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
190                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
191                     stl_p(ptr + 28, *initrd_size);
192                     break;
193                 }
194             }
195         }
196     }
197     return kernel_size;
198 }
199 
200 typedef struct ResetData {
201     SPARCCPU *cpu;
202     uint64_t prom_addr;
203 } ResetData;
204 
205 static void isa_irq_handler(void *opaque, int n, int level)
206 {
207     static const int isa_irq_to_ivec[16] = {
208         [1] = 0x29, /* keyboard */
209         [4] = 0x2b, /* serial */
210         [6] = 0x27, /* floppy */
211         [7] = 0x22, /* parallel */
212         [12] = 0x2a, /* mouse */
213     };
214     qemu_irq *irqs = opaque;
215     int ivec;
216 
217     assert(n < 16);
218     ivec = isa_irq_to_ivec[n];
219     EBUS_DPRINTF("Set ISA IRQ %d level %d -> ivec 0x%x\n", n, level, ivec);
220     if (ivec) {
221         qemu_set_irq(irqs[ivec], level);
222     }
223 }
224 
225 /* EBUS (Eight bit bus) bridge */
226 static ISABus *
227 pci_ebus_init(PCIBus *bus, int devfn, qemu_irq *irqs)
228 {
229     qemu_irq *isa_irq;
230     PCIDevice *pci_dev;
231     ISABus *isa_bus;
232 
233     pci_dev = pci_create_simple(bus, devfn, "ebus");
234     isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci_dev), "isa.0"));
235     isa_irq = qemu_allocate_irqs(isa_irq_handler, irqs, 16);
236     isa_bus_irqs(isa_bus, isa_irq);
237     return isa_bus;
238 }
239 
240 static void pci_ebus_realize(PCIDevice *pci_dev, Error **errp)
241 {
242     EbusState *s = DO_UPCAST(EbusState, pci_dev, pci_dev);
243 
244     if (!isa_bus_new(DEVICE(pci_dev), get_system_memory(),
245                      pci_address_space_io(pci_dev), errp)) {
246         return;
247     }
248 
249     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
250     pci_dev->config[0x05] = 0x00;
251     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
252     pci_dev->config[0x07] = 0x03; // status = medium devsel
253     pci_dev->config[0x09] = 0x00; // programming i/f
254     pci_dev->config[0x0D] = 0x0a; // latency_timer
255 
256     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
257                              0, 0x1000000);
258     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
259     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
260                              0, 0x4000);
261     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
262 }
263 
264 static void ebus_class_init(ObjectClass *klass, void *data)
265 {
266     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
267 
268     k->realize = pci_ebus_realize;
269     k->vendor_id = PCI_VENDOR_ID_SUN;
270     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
271     k->revision = 0x01;
272     k->class_id = PCI_CLASS_BRIDGE_OTHER;
273 }
274 
275 static const TypeInfo ebus_info = {
276     .name          = "ebus",
277     .parent        = TYPE_PCI_DEVICE,
278     .instance_size = sizeof(EbusState),
279     .class_init    = ebus_class_init,
280 };
281 
282 #define TYPE_OPENPROM "openprom"
283 #define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
284 
285 typedef struct PROMState {
286     SysBusDevice parent_obj;
287 
288     MemoryRegion prom;
289 } PROMState;
290 
291 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
292 {
293     hwaddr *base_addr = (hwaddr *)opaque;
294     return addr + *base_addr - PROM_VADDR;
295 }
296 
297 /* Boot PROM (OpenBIOS) */
298 static void prom_init(hwaddr addr, const char *bios_name)
299 {
300     DeviceState *dev;
301     SysBusDevice *s;
302     char *filename;
303     int ret;
304 
305     dev = qdev_create(NULL, TYPE_OPENPROM);
306     qdev_init_nofail(dev);
307     s = SYS_BUS_DEVICE(dev);
308 
309     sysbus_mmio_map(s, 0, addr);
310 
311     /* load boot prom */
312     if (bios_name == NULL) {
313         bios_name = PROM_FILENAME;
314     }
315     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
316     if (filename) {
317         ret = load_elf(filename, translate_prom_address, &addr,
318                        NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
319         if (ret < 0 || ret > PROM_SIZE_MAX) {
320             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
321         }
322         g_free(filename);
323     } else {
324         ret = -1;
325     }
326     if (ret < 0 || ret > PROM_SIZE_MAX) {
327         fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
328         exit(1);
329     }
330 }
331 
332 static int prom_init1(SysBusDevice *dev)
333 {
334     PROMState *s = OPENPROM(dev);
335 
336     memory_region_init_ram(&s->prom, OBJECT(s), "sun4u.prom", PROM_SIZE_MAX,
337                            &error_fatal);
338     vmstate_register_ram_global(&s->prom);
339     memory_region_set_readonly(&s->prom, true);
340     sysbus_init_mmio(dev, &s->prom);
341     return 0;
342 }
343 
344 static Property prom_properties[] = {
345     {/* end of property list */},
346 };
347 
348 static void prom_class_init(ObjectClass *klass, void *data)
349 {
350     DeviceClass *dc = DEVICE_CLASS(klass);
351     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
352 
353     k->init = prom_init1;
354     dc->props = prom_properties;
355 }
356 
357 static const TypeInfo prom_info = {
358     .name          = TYPE_OPENPROM,
359     .parent        = TYPE_SYS_BUS_DEVICE,
360     .instance_size = sizeof(PROMState),
361     .class_init    = prom_class_init,
362 };
363 
364 
365 #define TYPE_SUN4U_MEMORY "memory"
366 #define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY)
367 
368 typedef struct RamDevice {
369     SysBusDevice parent_obj;
370 
371     MemoryRegion ram;
372     uint64_t size;
373 } RamDevice;
374 
375 /* System RAM */
376 static int ram_init1(SysBusDevice *dev)
377 {
378     RamDevice *d = SUN4U_RAM(dev);
379 
380     memory_region_init_ram(&d->ram, OBJECT(d), "sun4u.ram", d->size,
381                            &error_fatal);
382     vmstate_register_ram_global(&d->ram);
383     sysbus_init_mmio(dev, &d->ram);
384     return 0;
385 }
386 
387 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
388 {
389     DeviceState *dev;
390     SysBusDevice *s;
391     RamDevice *d;
392 
393     /* allocate RAM */
394     dev = qdev_create(NULL, TYPE_SUN4U_MEMORY);
395     s = SYS_BUS_DEVICE(dev);
396 
397     d = SUN4U_RAM(dev);
398     d->size = RAM_size;
399     qdev_init_nofail(dev);
400 
401     sysbus_mmio_map(s, 0, addr);
402 }
403 
404 static Property ram_properties[] = {
405     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
406     DEFINE_PROP_END_OF_LIST(),
407 };
408 
409 static void ram_class_init(ObjectClass *klass, void *data)
410 {
411     DeviceClass *dc = DEVICE_CLASS(klass);
412     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
413 
414     k->init = ram_init1;
415     dc->props = ram_properties;
416 }
417 
418 static const TypeInfo ram_info = {
419     .name          = TYPE_SUN4U_MEMORY,
420     .parent        = TYPE_SYS_BUS_DEVICE,
421     .instance_size = sizeof(RamDevice),
422     .class_init    = ram_class_init,
423 };
424 
425 static void sun4uv_init(MemoryRegion *address_space_mem,
426                         MachineState *machine,
427                         const struct hwdef *hwdef)
428 {
429     SPARCCPU *cpu;
430     Nvram *nvram;
431     unsigned int i;
432     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
433     PCIBus *pci_bus, *pci_bus2, *pci_bus3;
434     ISABus *isa_bus;
435     SysBusDevice *s;
436     qemu_irq *ivec_irqs, *pbm_irqs;
437     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
438     DriveInfo *fd[MAX_FD];
439     DeviceState *dev;
440     FWCfgState *fw_cfg;
441 
442     /* init CPUs */
443     cpu = sparc64_cpu_devinit(machine->cpu_model, hwdef->default_cpu_model,
444                               hwdef->prom_addr);
445 
446     /* set up devices */
447     ram_init(0, machine->ram_size);
448 
449     prom_init(hwdef->prom_addr, bios_name);
450 
451     ivec_irqs = qemu_allocate_irqs(sparc64_cpu_set_ivec_irq, cpu, IVEC_MAX);
452     pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, ivec_irqs, &pci_bus2,
453                            &pci_bus3, &pbm_irqs);
454     pci_vga_init(pci_bus);
455 
456     // XXX Should be pci_bus3
457     isa_bus = pci_ebus_init(pci_bus, -1, pbm_irqs);
458 
459     i = 0;
460     if (hwdef->console_serial_base) {
461         serial_mm_init(address_space_mem, hwdef->console_serial_base, 0,
462                        NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN);
463         i++;
464     }
465 
466     serial_hds_isa_init(isa_bus, i, MAX_SERIAL_PORTS);
467     parallel_hds_isa_init(isa_bus, MAX_PARALLEL_PORTS);
468 
469     for(i = 0; i < nb_nics; i++)
470         pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
471 
472     ide_drive_get(hd, ARRAY_SIZE(hd));
473 
474     pci_cmd646_ide_init(pci_bus, hd, 1);
475 
476     isa_create_simple(isa_bus, "i8042");
477 
478     /* Floppy */
479     for(i = 0; i < MAX_FD; i++) {
480         fd[i] = drive_get(IF_FLOPPY, 0, i);
481     }
482     dev = DEVICE(isa_create(isa_bus, TYPE_ISA_FDC));
483     if (fd[0]) {
484         qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
485                             &error_abort);
486     }
487     if (fd[1]) {
488         qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
489                             &error_abort);
490     }
491     qdev_prop_set_uint32(dev, "dma", -1);
492     qdev_init_nofail(dev);
493 
494     /* Map NVRAM into I/O (ebus) space */
495     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
496     s = SYS_BUS_DEVICE(nvram);
497     memory_region_add_subregion(get_system_io(), 0x2000,
498                                 sysbus_mmio_get_region(s, 0));
499 
500     initrd_size = 0;
501     initrd_addr = 0;
502     kernel_size = sun4u_load_kernel(machine->kernel_filename,
503                                     machine->initrd_filename,
504                                     ram_size, &initrd_size, &initrd_addr,
505                                     &kernel_addr, &kernel_entry);
506 
507     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
508                            machine->boot_order,
509                            kernel_addr, kernel_size,
510                            machine->kernel_cmdline,
511                            initrd_addr, initrd_size,
512                            /* XXX: need an option to load a NVRAM image */
513                            0,
514                            graphic_width, graphic_height, graphic_depth,
515                            (uint8_t *)&nd_table[0].macaddr);
516 
517     fw_cfg = fw_cfg_init_io(BIOS_CFG_IOPORT);
518     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
519     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
520     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
521     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
522     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
523     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
524     if (machine->kernel_cmdline) {
525         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
526                        strlen(machine->kernel_cmdline) + 1);
527         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
528     } else {
529         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
530     }
531     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
532     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
533     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
534 
535     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
536     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
537     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
538 
539     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
540 }
541 
542 enum {
543     sun4u_id = 0,
544     sun4v_id = 64,
545 };
546 
547 static const struct hwdef hwdefs[] = {
548     /* Sun4u generic PC-like machine */
549     {
550         .default_cpu_model = "TI UltraSparc IIi",
551         .machine_id = sun4u_id,
552         .prom_addr = 0x1fff0000000ULL,
553         .console_serial_base = 0,
554     },
555     /* Sun4v generic PC-like machine */
556     {
557         .default_cpu_model = "Sun UltraSparc T1",
558         .machine_id = sun4v_id,
559         .prom_addr = 0x1fff0000000ULL,
560         .console_serial_base = 0,
561     },
562 };
563 
564 /* Sun4u hardware initialisation */
565 static void sun4u_init(MachineState *machine)
566 {
567     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
568 }
569 
570 /* Sun4v hardware initialisation */
571 static void sun4v_init(MachineState *machine)
572 {
573     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
574 }
575 
576 static void sun4u_class_init(ObjectClass *oc, void *data)
577 {
578     MachineClass *mc = MACHINE_CLASS(oc);
579 
580     mc->desc = "Sun4u platform";
581     mc->init = sun4u_init;
582     mc->block_default_type = IF_IDE;
583     mc->max_cpus = 1; /* XXX for now */
584     mc->is_default = 1;
585     mc->default_boot_order = "c";
586 }
587 
588 static const TypeInfo sun4u_type = {
589     .name = MACHINE_TYPE_NAME("sun4u"),
590     .parent = TYPE_MACHINE,
591     .class_init = sun4u_class_init,
592 };
593 
594 static void sun4v_class_init(ObjectClass *oc, void *data)
595 {
596     MachineClass *mc = MACHINE_CLASS(oc);
597 
598     mc->desc = "Sun4v platform";
599     mc->init = sun4v_init;
600     mc->block_default_type = IF_IDE;
601     mc->max_cpus = 1; /* XXX for now */
602     mc->default_boot_order = "c";
603 }
604 
605 static const TypeInfo sun4v_type = {
606     .name = MACHINE_TYPE_NAME("sun4v"),
607     .parent = TYPE_MACHINE,
608     .class_init = sun4v_class_init,
609 };
610 
611 static void sun4u_register_types(void)
612 {
613     type_register_static(&ebus_info);
614     type_register_static(&prom_info);
615     type_register_static(&ram_info);
616 
617     type_register_static(&sun4u_type);
618     type_register_static(&sun4v_type);
619 }
620 
621 type_init(sun4u_register_types)
622