xref: /openbmc/qemu/hw/sparc/sun4m.c (revision 39dc3e4a)
1 /*
2  * QEMU Sun4m & Sun4d & Sun4c System Emulator
3  *
4  * Copyright (c) 2003-2005 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 "qapi/error.h"
28 #include "qemu/datadir.h"
29 #include "qemu-common.h"
30 #include "cpu.h"
31 #include "hw/sysbus.h"
32 #include "qemu/error-report.h"
33 #include "qemu/timer.h"
34 #include "hw/sparc/sun4m_iommu.h"
35 #include "hw/rtc/m48t59.h"
36 #include "migration/vmstate.h"
37 #include "hw/sparc/sparc32_dma.h"
38 #include "hw/block/fdc.h"
39 #include "sysemu/reset.h"
40 #include "sysemu/runstate.h"
41 #include "sysemu/sysemu.h"
42 #include "net/net.h"
43 #include "hw/boards.h"
44 #include "hw/scsi/esp.h"
45 #include "hw/nvram/sun_nvram.h"
46 #include "hw/qdev-properties.h"
47 #include "hw/nvram/chrp_nvram.h"
48 #include "hw/nvram/fw_cfg.h"
49 #include "hw/char/escc.h"
50 #include "hw/misc/empty_slot.h"
51 #include "hw/misc/unimp.h"
52 #include "hw/irq.h"
53 #include "hw/or-irq.h"
54 #include "hw/loader.h"
55 #include "elf.h"
56 #include "trace.h"
57 #include "qom/object.h"
58 
59 /*
60  * Sun4m architecture was used in the following machines:
61  *
62  * SPARCserver 6xxMP/xx
63  * SPARCclassic (SPARCclassic Server)(SPARCstation LC) (4/15),
64  * SPARCclassic X (4/10)
65  * SPARCstation LX/ZX (4/30)
66  * SPARCstation Voyager
67  * SPARCstation 10/xx, SPARCserver 10/xx
68  * SPARCstation 5, SPARCserver 5
69  * SPARCstation 20/xx, SPARCserver 20
70  * SPARCstation 4
71  *
72  * See for example: http://www.sunhelp.org/faq/sunref1.html
73  */
74 
75 #define KERNEL_LOAD_ADDR     0x00004000
76 #define CMDLINE_ADDR         0x007ff000
77 #define INITRD_LOAD_ADDR     0x00800000
78 #define PROM_SIZE_MAX        (1 * MiB)
79 #define PROM_VADDR           0xffd00000
80 #define PROM_FILENAME        "openbios-sparc32"
81 #define CFG_ADDR             0xd00000510ULL
82 #define FW_CFG_SUN4M_DEPTH   (FW_CFG_ARCH_LOCAL + 0x00)
83 #define FW_CFG_SUN4M_WIDTH   (FW_CFG_ARCH_LOCAL + 0x01)
84 #define FW_CFG_SUN4M_HEIGHT  (FW_CFG_ARCH_LOCAL + 0x02)
85 
86 #define MAX_CPUS 16
87 #define MAX_PILS 16
88 #define MAX_VSIMMS 4
89 
90 #define ESCC_CLOCK 4915200
91 
92 struct sun4m_hwdef {
93     hwaddr iommu_base, iommu_pad_base, iommu_pad_len, slavio_base;
94     hwaddr intctl_base, counter_base, nvram_base, ms_kb_base;
95     hwaddr serial_base, fd_base;
96     hwaddr afx_base, idreg_base, dma_base, esp_base, le_base;
97     hwaddr tcx_base, cs_base, apc_base, aux1_base, aux2_base;
98     hwaddr bpp_base, dbri_base, sx_base;
99     struct {
100         hwaddr reg_base, vram_base;
101     } vsimm[MAX_VSIMMS];
102     hwaddr ecc_base;
103     uint64_t max_mem;
104     uint32_t ecc_version;
105     uint32_t iommu_version;
106     uint16_t machine_id;
107     uint8_t nvram_machine_id;
108 };
109 
110 struct Sun4mMachineClass {
111     /*< private >*/
112     MachineClass parent_obj;
113     /*< public >*/
114     const struct sun4m_hwdef *hwdef;
115 };
116 typedef struct Sun4mMachineClass Sun4mMachineClass;
117 
118 #define TYPE_SUN4M_MACHINE MACHINE_TYPE_NAME("sun4m-common")
119 DECLARE_CLASS_CHECKERS(Sun4mMachineClass, SUN4M_MACHINE, TYPE_SUN4M_MACHINE)
120 
121 const char *fw_cfg_arch_key_name(uint16_t key)
122 {
123     static const struct {
124         uint16_t key;
125         const char *name;
126     } fw_cfg_arch_wellknown_keys[] = {
127         {FW_CFG_SUN4M_DEPTH, "depth"},
128         {FW_CFG_SUN4M_WIDTH, "width"},
129         {FW_CFG_SUN4M_HEIGHT, "height"},
130     };
131 
132     for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
133         if (fw_cfg_arch_wellknown_keys[i].key == key) {
134             return fw_cfg_arch_wellknown_keys[i].name;
135         }
136     }
137     return NULL;
138 }
139 
140 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
141                             Error **errp)
142 {
143     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
144 }
145 
146 static void nvram_init(Nvram *nvram, uint8_t *macaddr,
147                        const char *cmdline, const char *boot_devices,
148                        ram_addr_t RAM_size, uint32_t kernel_size,
149                        int width, int height, int depth,
150                        int nvram_machine_id, const char *arch)
151 {
152     unsigned int i;
153     int sysp_end;
154     uint8_t image[0x1ff0];
155     NvramClass *k = NVRAM_GET_CLASS(nvram);
156 
157     memset(image, '\0', sizeof(image));
158 
159     /* OpenBIOS nvram variables partition */
160     sysp_end = chrp_nvram_create_system_partition(image, 0, 0x1fd0);
161 
162     /* Free space partition */
163     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
164 
165     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr,
166                     nvram_machine_id);
167 
168     for (i = 0; i < sizeof(image); i++) {
169         (k->write)(nvram, i, image[i]);
170     }
171 }
172 
173 static void cpu_kick_irq(SPARCCPU *cpu)
174 {
175     CPUSPARCState *env = &cpu->env;
176     CPUState *cs = CPU(cpu);
177 
178     cs->halted = 0;
179     cpu_check_irqs(env);
180     qemu_cpu_kick(cs);
181 }
182 
183 static void cpu_set_irq(void *opaque, int irq, int level)
184 {
185     SPARCCPU *cpu = opaque;
186     CPUSPARCState *env = &cpu->env;
187 
188     if (level) {
189         trace_sun4m_cpu_set_irq_raise(irq);
190         env->pil_in |= 1 << irq;
191         cpu_kick_irq(cpu);
192     } else {
193         trace_sun4m_cpu_set_irq_lower(irq);
194         env->pil_in &= ~(1 << irq);
195         cpu_check_irqs(env);
196     }
197 }
198 
199 static void dummy_cpu_set_irq(void *opaque, int irq, int level)
200 {
201 }
202 
203 static void sun4m_cpu_reset(void *opaque)
204 {
205     SPARCCPU *cpu = opaque;
206     CPUState *cs = CPU(cpu);
207 
208     cpu_reset(cs);
209 }
210 
211 static void cpu_halt_signal(void *opaque, int irq, int level)
212 {
213     if (level && current_cpu) {
214         cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
215     }
216 }
217 
218 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
219 {
220     return addr - 0xf0000000ULL;
221 }
222 
223 static unsigned long sun4m_load_kernel(const char *kernel_filename,
224                                        const char *initrd_filename,
225                                        ram_addr_t RAM_size,
226                                        uint32_t *initrd_size)
227 {
228     int linux_boot;
229     unsigned int i;
230     long kernel_size;
231     uint8_t *ptr;
232 
233     linux_boot = (kernel_filename != NULL);
234 
235     kernel_size = 0;
236     if (linux_boot) {
237         int bswap_needed;
238 
239 #ifdef BSWAP_NEEDED
240         bswap_needed = 1;
241 #else
242         bswap_needed = 0;
243 #endif
244         kernel_size = load_elf(kernel_filename, NULL,
245                                translate_kernel_address, NULL,
246                                NULL, NULL, NULL, NULL, 1, EM_SPARC, 0, 0);
247         if (kernel_size < 0)
248             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
249                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
250                                     TARGET_PAGE_SIZE);
251         if (kernel_size < 0)
252             kernel_size = load_image_targphys(kernel_filename,
253                                               KERNEL_LOAD_ADDR,
254                                               RAM_size - KERNEL_LOAD_ADDR);
255         if (kernel_size < 0) {
256             error_report("could not load kernel '%s'", kernel_filename);
257             exit(1);
258         }
259 
260         /* load initrd */
261         *initrd_size = 0;
262         if (initrd_filename) {
263             *initrd_size = load_image_targphys(initrd_filename,
264                                                INITRD_LOAD_ADDR,
265                                                RAM_size - INITRD_LOAD_ADDR);
266             if ((int)*initrd_size < 0) {
267                 error_report("could not load initial ram disk '%s'",
268                              initrd_filename);
269                 exit(1);
270             }
271         }
272         if (*initrd_size > 0) {
273             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
274                 ptr = rom_ptr(KERNEL_LOAD_ADDR + i, 24);
275                 if (ptr && ldl_p(ptr) == 0x48647253) { /* HdrS */
276                     stl_p(ptr + 16, INITRD_LOAD_ADDR);
277                     stl_p(ptr + 20, *initrd_size);
278                     break;
279                 }
280             }
281         }
282     }
283     return kernel_size;
284 }
285 
286 static void *iommu_init(hwaddr addr, uint32_t version, qemu_irq irq)
287 {
288     DeviceState *dev;
289     SysBusDevice *s;
290 
291     dev = qdev_new(TYPE_SUN4M_IOMMU);
292     qdev_prop_set_uint32(dev, "version", version);
293     s = SYS_BUS_DEVICE(dev);
294     sysbus_realize_and_unref(s, &error_fatal);
295     sysbus_connect_irq(s, 0, irq);
296     sysbus_mmio_map(s, 0, addr);
297 
298     return s;
299 }
300 
301 static void *sparc32_dma_init(hwaddr dma_base,
302                               hwaddr esp_base, qemu_irq espdma_irq,
303                               hwaddr le_base, qemu_irq ledma_irq, NICInfo *nd)
304 {
305     DeviceState *dma;
306     ESPDMADeviceState *espdma;
307     LEDMADeviceState *ledma;
308     SysBusESPState *esp;
309     SysBusPCNetState *lance;
310 
311     dma = qdev_new(TYPE_SPARC32_DMA);
312     espdma = SPARC32_ESPDMA_DEVICE(object_resolve_path_component(
313                                    OBJECT(dma), "espdma"));
314     sysbus_connect_irq(SYS_BUS_DEVICE(espdma), 0, espdma_irq);
315 
316     esp = SYSBUS_ESP(object_resolve_path_component(OBJECT(espdma), "esp"));
317 
318     ledma = SPARC32_LEDMA_DEVICE(object_resolve_path_component(
319                                  OBJECT(dma), "ledma"));
320     sysbus_connect_irq(SYS_BUS_DEVICE(ledma), 0, ledma_irq);
321 
322     lance = SYSBUS_PCNET(object_resolve_path_component(
323                          OBJECT(ledma), "lance"));
324     qdev_set_nic_properties(DEVICE(lance), nd);
325 
326     sysbus_realize_and_unref(SYS_BUS_DEVICE(dma), &error_fatal);
327     sysbus_mmio_map(SYS_BUS_DEVICE(dma), 0, dma_base);
328 
329     sysbus_mmio_map(SYS_BUS_DEVICE(esp), 0, esp_base);
330     scsi_bus_legacy_handle_cmdline(&esp->esp.bus);
331 
332     sysbus_mmio_map(SYS_BUS_DEVICE(lance), 0, le_base);
333 
334     return dma;
335 }
336 
337 static DeviceState *slavio_intctl_init(hwaddr addr,
338                                        hwaddr addrg,
339                                        qemu_irq **parent_irq)
340 {
341     DeviceState *dev;
342     SysBusDevice *s;
343     unsigned int i, j;
344 
345     dev = qdev_new("slavio_intctl");
346 
347     s = SYS_BUS_DEVICE(dev);
348     sysbus_realize_and_unref(s, &error_fatal);
349 
350     for (i = 0; i < MAX_CPUS; i++) {
351         for (j = 0; j < MAX_PILS; j++) {
352             sysbus_connect_irq(s, i * MAX_PILS + j, parent_irq[i][j]);
353         }
354     }
355     sysbus_mmio_map(s, 0, addrg);
356     for (i = 0; i < MAX_CPUS; i++) {
357         sysbus_mmio_map(s, i + 1, addr + i * TARGET_PAGE_SIZE);
358     }
359 
360     return dev;
361 }
362 
363 #define SYS_TIMER_OFFSET      0x10000ULL
364 #define CPU_TIMER_OFFSET(cpu) (0x1000ULL * cpu)
365 
366 static void slavio_timer_init_all(hwaddr addr, qemu_irq master_irq,
367                                   qemu_irq *cpu_irqs, unsigned int num_cpus)
368 {
369     DeviceState *dev;
370     SysBusDevice *s;
371     unsigned int i;
372 
373     dev = qdev_new("slavio_timer");
374     qdev_prop_set_uint32(dev, "num_cpus", num_cpus);
375     s = SYS_BUS_DEVICE(dev);
376     sysbus_realize_and_unref(s, &error_fatal);
377     sysbus_connect_irq(s, 0, master_irq);
378     sysbus_mmio_map(s, 0, addr + SYS_TIMER_OFFSET);
379 
380     for (i = 0; i < MAX_CPUS; i++) {
381         sysbus_mmio_map(s, i + 1, addr + (hwaddr)CPU_TIMER_OFFSET(i));
382         sysbus_connect_irq(s, i + 1, cpu_irqs[i]);
383     }
384 }
385 
386 static qemu_irq  slavio_system_powerdown;
387 
388 static void slavio_powerdown_req(Notifier *n, void *opaque)
389 {
390     qemu_irq_raise(slavio_system_powerdown);
391 }
392 
393 static Notifier slavio_system_powerdown_notifier = {
394     .notify = slavio_powerdown_req
395 };
396 
397 #define MISC_LEDS 0x01600000
398 #define MISC_CFG  0x01800000
399 #define MISC_DIAG 0x01a00000
400 #define MISC_MDM  0x01b00000
401 #define MISC_SYS  0x01f00000
402 
403 static void slavio_misc_init(hwaddr base,
404                              hwaddr aux1_base,
405                              hwaddr aux2_base, qemu_irq irq,
406                              qemu_irq fdc_tc)
407 {
408     DeviceState *dev;
409     SysBusDevice *s;
410 
411     dev = qdev_new("slavio_misc");
412     s = SYS_BUS_DEVICE(dev);
413     sysbus_realize_and_unref(s, &error_fatal);
414     if (base) {
415         /* 8 bit registers */
416         /* Slavio control */
417         sysbus_mmio_map(s, 0, base + MISC_CFG);
418         /* Diagnostics */
419         sysbus_mmio_map(s, 1, base + MISC_DIAG);
420         /* Modem control */
421         sysbus_mmio_map(s, 2, base + MISC_MDM);
422         /* 16 bit registers */
423         /* ss600mp diag LEDs */
424         sysbus_mmio_map(s, 3, base + MISC_LEDS);
425         /* 32 bit registers */
426         /* System control */
427         sysbus_mmio_map(s, 4, base + MISC_SYS);
428     }
429     if (aux1_base) {
430         /* AUX 1 (Misc System Functions) */
431         sysbus_mmio_map(s, 5, aux1_base);
432     }
433     if (aux2_base) {
434         /* AUX 2 (Software Powerdown Control) */
435         sysbus_mmio_map(s, 6, aux2_base);
436     }
437     sysbus_connect_irq(s, 0, irq);
438     sysbus_connect_irq(s, 1, fdc_tc);
439     slavio_system_powerdown = qdev_get_gpio_in(dev, 0);
440     qemu_register_powerdown_notifier(&slavio_system_powerdown_notifier);
441 }
442 
443 static void ecc_init(hwaddr base, qemu_irq irq, uint32_t version)
444 {
445     DeviceState *dev;
446     SysBusDevice *s;
447 
448     dev = qdev_new("eccmemctl");
449     qdev_prop_set_uint32(dev, "version", version);
450     s = SYS_BUS_DEVICE(dev);
451     sysbus_realize_and_unref(s, &error_fatal);
452     sysbus_connect_irq(s, 0, irq);
453     sysbus_mmio_map(s, 0, base);
454     if (version == 0) { // SS-600MP only
455         sysbus_mmio_map(s, 1, base + 0x1000);
456     }
457 }
458 
459 static void apc_init(hwaddr power_base, qemu_irq cpu_halt)
460 {
461     DeviceState *dev;
462     SysBusDevice *s;
463 
464     dev = qdev_new("apc");
465     s = SYS_BUS_DEVICE(dev);
466     sysbus_realize_and_unref(s, &error_fatal);
467     /* Power management (APC) XXX: not a Slavio device */
468     sysbus_mmio_map(s, 0, power_base);
469     sysbus_connect_irq(s, 0, cpu_halt);
470 }
471 
472 static void tcx_init(hwaddr addr, qemu_irq irq, int vram_size, int width,
473                      int height, int depth)
474 {
475     DeviceState *dev;
476     SysBusDevice *s;
477 
478     dev = qdev_new("sun-tcx");
479     qdev_prop_set_uint32(dev, "vram_size", vram_size);
480     qdev_prop_set_uint16(dev, "width", width);
481     qdev_prop_set_uint16(dev, "height", height);
482     qdev_prop_set_uint16(dev, "depth", depth);
483     s = SYS_BUS_DEVICE(dev);
484     sysbus_realize_and_unref(s, &error_fatal);
485 
486     /* 10/ROM : FCode ROM */
487     sysbus_mmio_map(s, 0, addr);
488     /* 2/STIP : Stipple */
489     sysbus_mmio_map(s, 1, addr + 0x04000000ULL);
490     /* 3/BLIT : Blitter */
491     sysbus_mmio_map(s, 2, addr + 0x06000000ULL);
492     /* 5/RSTIP : Raw Stipple */
493     sysbus_mmio_map(s, 3, addr + 0x0c000000ULL);
494     /* 6/RBLIT : Raw Blitter */
495     sysbus_mmio_map(s, 4, addr + 0x0e000000ULL);
496     /* 7/TEC : Transform Engine */
497     sysbus_mmio_map(s, 5, addr + 0x00700000ULL);
498     /* 8/CMAP  : DAC */
499     sysbus_mmio_map(s, 6, addr + 0x00200000ULL);
500     /* 9/THC : */
501     if (depth == 8) {
502         sysbus_mmio_map(s, 7, addr + 0x00300000ULL);
503     } else {
504         sysbus_mmio_map(s, 7, addr + 0x00301000ULL);
505     }
506     /* 11/DHC : */
507     sysbus_mmio_map(s, 8, addr + 0x00240000ULL);
508     /* 12/ALT : */
509     sysbus_mmio_map(s, 9, addr + 0x00280000ULL);
510     /* 0/DFB8 : 8-bit plane */
511     sysbus_mmio_map(s, 10, addr + 0x00800000ULL);
512     /* 1/DFB24 : 24bit plane */
513     sysbus_mmio_map(s, 11, addr + 0x02000000ULL);
514     /* 4/RDFB32: Raw framebuffer. Control plane */
515     sysbus_mmio_map(s, 12, addr + 0x0a000000ULL);
516     /* 9/THC24bits : NetBSD writes here even with 8-bit display: dummy */
517     if (depth == 8) {
518         sysbus_mmio_map(s, 13, addr + 0x00301000ULL);
519     }
520 
521     sysbus_connect_irq(s, 0, irq);
522 }
523 
524 static void cg3_init(hwaddr addr, qemu_irq irq, int vram_size, int width,
525                      int height, int depth)
526 {
527     DeviceState *dev;
528     SysBusDevice *s;
529 
530     dev = qdev_new("cgthree");
531     qdev_prop_set_uint32(dev, "vram-size", vram_size);
532     qdev_prop_set_uint16(dev, "width", width);
533     qdev_prop_set_uint16(dev, "height", height);
534     qdev_prop_set_uint16(dev, "depth", depth);
535     s = SYS_BUS_DEVICE(dev);
536     sysbus_realize_and_unref(s, &error_fatal);
537 
538     /* FCode ROM */
539     sysbus_mmio_map(s, 0, addr);
540     /* DAC */
541     sysbus_mmio_map(s, 1, addr + 0x400000ULL);
542     /* 8-bit plane */
543     sysbus_mmio_map(s, 2, addr + 0x800000ULL);
544 
545     sysbus_connect_irq(s, 0, irq);
546 }
547 
548 /* NCR89C100/MACIO Internal ID register */
549 
550 #define TYPE_MACIO_ID_REGISTER "macio_idreg"
551 
552 static const uint8_t idreg_data[] = { 0xfe, 0x81, 0x01, 0x03 };
553 
554 static void idreg_init(hwaddr addr)
555 {
556     DeviceState *dev;
557     SysBusDevice *s;
558 
559     dev = qdev_new(TYPE_MACIO_ID_REGISTER);
560     s = SYS_BUS_DEVICE(dev);
561     sysbus_realize_and_unref(s, &error_fatal);
562 
563     sysbus_mmio_map(s, 0, addr);
564     address_space_write_rom(&address_space_memory, addr,
565                             MEMTXATTRS_UNSPECIFIED,
566                             idreg_data, sizeof(idreg_data));
567 }
568 
569 OBJECT_DECLARE_SIMPLE_TYPE(IDRegState, MACIO_ID_REGISTER)
570 
571 struct IDRegState {
572     SysBusDevice parent_obj;
573 
574     MemoryRegion mem;
575 };
576 
577 static void idreg_realize(DeviceState *ds, Error **errp)
578 {
579     IDRegState *s = MACIO_ID_REGISTER(ds);
580     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
581     Error *local_err = NULL;
582 
583     memory_region_init_ram_nomigrate(&s->mem, OBJECT(ds), "sun4m.idreg",
584                                      sizeof(idreg_data), &local_err);
585     if (local_err) {
586         error_propagate(errp, local_err);
587         return;
588     }
589 
590     vmstate_register_ram_global(&s->mem);
591     memory_region_set_readonly(&s->mem, true);
592     sysbus_init_mmio(dev, &s->mem);
593 }
594 
595 static void idreg_class_init(ObjectClass *oc, void *data)
596 {
597     DeviceClass *dc = DEVICE_CLASS(oc);
598 
599     dc->realize = idreg_realize;
600 }
601 
602 static const TypeInfo idreg_info = {
603     .name          = TYPE_MACIO_ID_REGISTER,
604     .parent        = TYPE_SYS_BUS_DEVICE,
605     .instance_size = sizeof(IDRegState),
606     .class_init    = idreg_class_init,
607 };
608 
609 #define TYPE_TCX_AFX "tcx_afx"
610 OBJECT_DECLARE_SIMPLE_TYPE(AFXState, TCX_AFX)
611 
612 struct AFXState {
613     SysBusDevice parent_obj;
614 
615     MemoryRegion mem;
616 };
617 
618 /* SS-5 TCX AFX register */
619 static void afx_init(hwaddr addr)
620 {
621     DeviceState *dev;
622     SysBusDevice *s;
623 
624     dev = qdev_new(TYPE_TCX_AFX);
625     s = SYS_BUS_DEVICE(dev);
626     sysbus_realize_and_unref(s, &error_fatal);
627 
628     sysbus_mmio_map(s, 0, addr);
629 }
630 
631 static void afx_realize(DeviceState *ds, Error **errp)
632 {
633     AFXState *s = TCX_AFX(ds);
634     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
635     Error *local_err = NULL;
636 
637     memory_region_init_ram_nomigrate(&s->mem, OBJECT(ds), "sun4m.afx", 4,
638                                      &local_err);
639     if (local_err) {
640         error_propagate(errp, local_err);
641         return;
642     }
643 
644     vmstate_register_ram_global(&s->mem);
645     sysbus_init_mmio(dev, &s->mem);
646 }
647 
648 static void afx_class_init(ObjectClass *oc, void *data)
649 {
650     DeviceClass *dc = DEVICE_CLASS(oc);
651 
652     dc->realize = afx_realize;
653 }
654 
655 static const TypeInfo afx_info = {
656     .name          = TYPE_TCX_AFX,
657     .parent        = TYPE_SYS_BUS_DEVICE,
658     .instance_size = sizeof(AFXState),
659     .class_init    = afx_class_init,
660 };
661 
662 #define TYPE_OPENPROM "openprom"
663 typedef struct PROMState PROMState;
664 DECLARE_INSTANCE_CHECKER(PROMState, OPENPROM,
665                          TYPE_OPENPROM)
666 
667 struct PROMState {
668     SysBusDevice parent_obj;
669 
670     MemoryRegion prom;
671 };
672 
673 /* Boot PROM (OpenBIOS) */
674 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
675 {
676     hwaddr *base_addr = (hwaddr *)opaque;
677     return addr + *base_addr - PROM_VADDR;
678 }
679 
680 static void prom_init(hwaddr addr, const char *bios_name)
681 {
682     DeviceState *dev;
683     SysBusDevice *s;
684     char *filename;
685     int ret;
686 
687     dev = qdev_new(TYPE_OPENPROM);
688     s = SYS_BUS_DEVICE(dev);
689     sysbus_realize_and_unref(s, &error_fatal);
690 
691     sysbus_mmio_map(s, 0, addr);
692 
693     /* load boot prom */
694     if (bios_name == NULL) {
695         bios_name = PROM_FILENAME;
696     }
697     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
698     if (filename) {
699         ret = load_elf(filename, NULL,
700                        translate_prom_address, &addr, NULL,
701                        NULL, NULL, NULL, 1, EM_SPARC, 0, 0);
702         if (ret < 0 || ret > PROM_SIZE_MAX) {
703             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
704         }
705         g_free(filename);
706     } else {
707         ret = -1;
708     }
709     if (ret < 0 || ret > PROM_SIZE_MAX) {
710         error_report("could not load prom '%s'", bios_name);
711         exit(1);
712     }
713 }
714 
715 static void prom_realize(DeviceState *ds, Error **errp)
716 {
717     PROMState *s = OPENPROM(ds);
718     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
719     Error *local_err = NULL;
720 
721     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4m.prom",
722                                      PROM_SIZE_MAX, &local_err);
723     if (local_err) {
724         error_propagate(errp, local_err);
725         return;
726     }
727 
728     vmstate_register_ram_global(&s->prom);
729     memory_region_set_readonly(&s->prom, true);
730     sysbus_init_mmio(dev, &s->prom);
731 }
732 
733 static Property prom_properties[] = {
734     {/* end of property list */},
735 };
736 
737 static void prom_class_init(ObjectClass *klass, void *data)
738 {
739     DeviceClass *dc = DEVICE_CLASS(klass);
740 
741     device_class_set_props(dc, prom_properties);
742     dc->realize = prom_realize;
743 }
744 
745 static const TypeInfo prom_info = {
746     .name          = TYPE_OPENPROM,
747     .parent        = TYPE_SYS_BUS_DEVICE,
748     .instance_size = sizeof(PROMState),
749     .class_init    = prom_class_init,
750 };
751 
752 #define TYPE_SUN4M_MEMORY "memory"
753 typedef struct RamDevice RamDevice;
754 DECLARE_INSTANCE_CHECKER(RamDevice, SUN4M_RAM,
755                          TYPE_SUN4M_MEMORY)
756 
757 struct RamDevice {
758     SysBusDevice parent_obj;
759     HostMemoryBackend *memdev;
760 };
761 
762 /* System RAM */
763 static void ram_realize(DeviceState *dev, Error **errp)
764 {
765     RamDevice *d = SUN4M_RAM(dev);
766     MemoryRegion *ram = host_memory_backend_get_memory(d->memdev);
767 
768     sysbus_init_mmio(SYS_BUS_DEVICE(dev), ram);
769 }
770 
771 static void ram_initfn(Object *obj)
772 {
773     RamDevice *d = SUN4M_RAM(obj);
774     object_property_add_link(obj, "memdev", TYPE_MEMORY_BACKEND,
775                              (Object **)&d->memdev,
776                              object_property_allow_set_link,
777                              OBJ_PROP_LINK_STRONG);
778     object_property_set_description(obj, "memdev", "Set RAM backend"
779                                     "Valid value is ID of a hostmem backend");
780 }
781 
782 static void ram_class_init(ObjectClass *klass, void *data)
783 {
784     DeviceClass *dc = DEVICE_CLASS(klass);
785 
786     dc->realize = ram_realize;
787 }
788 
789 static const TypeInfo ram_info = {
790     .name          = TYPE_SUN4M_MEMORY,
791     .parent        = TYPE_SYS_BUS_DEVICE,
792     .instance_size = sizeof(RamDevice),
793     .instance_init = ram_initfn,
794     .class_init    = ram_class_init,
795 };
796 
797 static void cpu_devinit(const char *cpu_type, unsigned int id,
798                         uint64_t prom_addr, qemu_irq **cpu_irqs)
799 {
800     SPARCCPU *cpu;
801     CPUSPARCState *env;
802 
803     cpu = SPARC_CPU(object_new(cpu_type));
804     env = &cpu->env;
805 
806     qemu_register_reset(sun4m_cpu_reset, cpu);
807     object_property_set_bool(OBJECT(cpu), "start-powered-off", id != 0,
808                              &error_fatal);
809     qdev_realize_and_unref(DEVICE(cpu), NULL, &error_fatal);
810     cpu_sparc_set_id(env, id);
811     *cpu_irqs = qemu_allocate_irqs(cpu_set_irq, cpu, MAX_PILS);
812     env->prom_addr = prom_addr;
813 }
814 
815 static void dummy_fdc_tc(void *opaque, int irq, int level)
816 {
817 }
818 
819 static void sun4m_hw_init(MachineState *machine)
820 {
821     const struct sun4m_hwdef *hwdef = SUN4M_MACHINE_GET_CLASS(machine)->hwdef;
822     DeviceState *slavio_intctl;
823     unsigned int i;
824     Nvram *nvram;
825     qemu_irq *cpu_irqs[MAX_CPUS], slavio_irq[32], slavio_cpu_irq[MAX_CPUS];
826     qemu_irq fdc_tc;
827     unsigned long kernel_size;
828     uint32_t initrd_size;
829     DriveInfo *fd[MAX_FD];
830     FWCfgState *fw_cfg;
831     DeviceState *dev, *ms_kb_orgate, *serial_orgate;
832     SysBusDevice *s;
833     unsigned int smp_cpus = machine->smp.cpus;
834     unsigned int max_cpus = machine->smp.max_cpus;
835     Object *ram_memdev = object_resolve_path_type(machine->ram_memdev_id,
836                                                   TYPE_MEMORY_BACKEND, NULL);
837     NICInfo *nd = &nd_table[0];
838 
839     if (machine->ram_size > hwdef->max_mem) {
840         error_report("Too much memory for this machine: %" PRId64 ","
841                      " maximum %" PRId64,
842                      machine->ram_size / MiB, hwdef->max_mem / MiB);
843         exit(1);
844     }
845 
846     /* init CPUs */
847     for(i = 0; i < smp_cpus; i++) {
848         cpu_devinit(machine->cpu_type, i, hwdef->slavio_base, &cpu_irqs[i]);
849     }
850 
851     for (i = smp_cpus; i < MAX_CPUS; i++)
852         cpu_irqs[i] = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, MAX_PILS);
853 
854     /* Create and map RAM frontend */
855     dev = qdev_new("memory");
856     object_property_set_link(OBJECT(dev), "memdev", ram_memdev, &error_fatal);
857     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
858     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0);
859 
860     /* models without ECC don't trap when missing ram is accessed */
861     if (!hwdef->ecc_base) {
862         empty_slot_init("ecc", machine->ram_size,
863                         hwdef->max_mem - machine->ram_size);
864     }
865 
866     prom_init(hwdef->slavio_base, machine->firmware);
867 
868     slavio_intctl = slavio_intctl_init(hwdef->intctl_base,
869                                        hwdef->intctl_base + 0x10000ULL,
870                                        cpu_irqs);
871 
872     for (i = 0; i < 32; i++) {
873         slavio_irq[i] = qdev_get_gpio_in(slavio_intctl, i);
874     }
875     for (i = 0; i < MAX_CPUS; i++) {
876         slavio_cpu_irq[i] = qdev_get_gpio_in(slavio_intctl, 32 + i);
877     }
878 
879     if (hwdef->idreg_base) {
880         idreg_init(hwdef->idreg_base);
881     }
882 
883     if (hwdef->afx_base) {
884         afx_init(hwdef->afx_base);
885     }
886 
887     iommu_init(hwdef->iommu_base, hwdef->iommu_version, slavio_irq[30]);
888 
889     if (hwdef->iommu_pad_base) {
890         /* On the real hardware (SS-5, LX) the MMU is not padded, but aliased.
891            Software shouldn't use aliased addresses, neither should it crash
892            when does. Using empty_slot instead of aliasing can help with
893            debugging such accesses */
894         empty_slot_init("iommu.alias",
895                         hwdef->iommu_pad_base, hwdef->iommu_pad_len);
896     }
897 
898     qemu_check_nic_model(nd, TYPE_LANCE);
899     sparc32_dma_init(hwdef->dma_base,
900                      hwdef->esp_base, slavio_irq[18],
901                      hwdef->le_base, slavio_irq[16], nd);
902 
903     if (graphic_depth != 8 && graphic_depth != 24) {
904         error_report("Unsupported depth: %d", graphic_depth);
905         exit (1);
906     }
907     if (vga_interface_type != VGA_NONE) {
908         if (vga_interface_type == VGA_CG3) {
909             if (graphic_depth != 8) {
910                 error_report("Unsupported depth: %d", graphic_depth);
911                 exit(1);
912             }
913 
914             if (!(graphic_width == 1024 && graphic_height == 768) &&
915                 !(graphic_width == 1152 && graphic_height == 900)) {
916                 error_report("Unsupported resolution: %d x %d", graphic_width,
917                              graphic_height);
918                 exit(1);
919             }
920 
921             /* sbus irq 5 */
922             cg3_init(hwdef->tcx_base, slavio_irq[11], 0x00100000,
923                      graphic_width, graphic_height, graphic_depth);
924         } else {
925             /* If no display specified, default to TCX */
926             if (graphic_depth != 8 && graphic_depth != 24) {
927                 error_report("Unsupported depth: %d", graphic_depth);
928                 exit(1);
929             }
930 
931             if (!(graphic_width == 1024 && graphic_height == 768)) {
932                 error_report("Unsupported resolution: %d x %d",
933                              graphic_width, graphic_height);
934                 exit(1);
935             }
936 
937             tcx_init(hwdef->tcx_base, slavio_irq[11], 0x00100000,
938                      graphic_width, graphic_height, graphic_depth);
939         }
940     }
941 
942     for (i = 0; i < MAX_VSIMMS; i++) {
943         /* vsimm registers probed by OBP */
944         if (hwdef->vsimm[i].reg_base) {
945             char *name = g_strdup_printf("vsimm[%d]", i);
946             empty_slot_init(name, hwdef->vsimm[i].reg_base, 0x2000);
947             g_free(name);
948         }
949     }
950 
951     if (hwdef->sx_base) {
952         create_unimplemented_device("sun-sx", hwdef->sx_base, 0x2000);
953     }
954 
955     dev = qdev_new("sysbus-m48t08");
956     qdev_prop_set_int32(dev, "base-year", 1968);
957     s = SYS_BUS_DEVICE(dev);
958     sysbus_realize_and_unref(s, &error_fatal);
959     sysbus_connect_irq(s, 0, slavio_irq[0]);
960     sysbus_mmio_map(s, 0, hwdef->nvram_base);
961     nvram = NVRAM(dev);
962 
963     slavio_timer_init_all(hwdef->counter_base, slavio_irq[19], slavio_cpu_irq, smp_cpus);
964 
965     /* Slavio TTYA (base+4, Linux ttyS0) is the first QEMU serial device
966        Slavio TTYB (base+0, Linux ttyS1) is the second QEMU serial device */
967     dev = qdev_new(TYPE_ESCC);
968     qdev_prop_set_uint32(dev, "disabled", !machine->enable_graphics);
969     qdev_prop_set_uint32(dev, "frequency", ESCC_CLOCK);
970     qdev_prop_set_uint32(dev, "it_shift", 1);
971     qdev_prop_set_chr(dev, "chrB", NULL);
972     qdev_prop_set_chr(dev, "chrA", NULL);
973     qdev_prop_set_uint32(dev, "chnBtype", escc_mouse);
974     qdev_prop_set_uint32(dev, "chnAtype", escc_kbd);
975     s = SYS_BUS_DEVICE(dev);
976     sysbus_realize_and_unref(s, &error_fatal);
977     sysbus_mmio_map(s, 0, hwdef->ms_kb_base);
978 
979     /* Logically OR both its IRQs together */
980     ms_kb_orgate = DEVICE(object_new(TYPE_OR_IRQ));
981     object_property_set_int(OBJECT(ms_kb_orgate), "num-lines", 2, &error_fatal);
982     qdev_realize_and_unref(ms_kb_orgate, NULL, &error_fatal);
983     sysbus_connect_irq(s, 0, qdev_get_gpio_in(ms_kb_orgate, 0));
984     sysbus_connect_irq(s, 1, qdev_get_gpio_in(ms_kb_orgate, 1));
985     qdev_connect_gpio_out(DEVICE(ms_kb_orgate), 0, slavio_irq[14]);
986 
987     dev = qdev_new(TYPE_ESCC);
988     qdev_prop_set_uint32(dev, "disabled", 0);
989     qdev_prop_set_uint32(dev, "frequency", ESCC_CLOCK);
990     qdev_prop_set_uint32(dev, "it_shift", 1);
991     qdev_prop_set_chr(dev, "chrB", serial_hd(1));
992     qdev_prop_set_chr(dev, "chrA", serial_hd(0));
993     qdev_prop_set_uint32(dev, "chnBtype", escc_serial);
994     qdev_prop_set_uint32(dev, "chnAtype", escc_serial);
995 
996     s = SYS_BUS_DEVICE(dev);
997     sysbus_realize_and_unref(s, &error_fatal);
998     sysbus_mmio_map(s, 0, hwdef->serial_base);
999 
1000     /* Logically OR both its IRQs together */
1001     serial_orgate = DEVICE(object_new(TYPE_OR_IRQ));
1002     object_property_set_int(OBJECT(serial_orgate), "num-lines", 2,
1003                             &error_fatal);
1004     qdev_realize_and_unref(serial_orgate, NULL, &error_fatal);
1005     sysbus_connect_irq(s, 0, qdev_get_gpio_in(serial_orgate, 0));
1006     sysbus_connect_irq(s, 1, qdev_get_gpio_in(serial_orgate, 1));
1007     qdev_connect_gpio_out(DEVICE(serial_orgate), 0, slavio_irq[15]);
1008 
1009     if (hwdef->apc_base) {
1010         apc_init(hwdef->apc_base, qemu_allocate_irq(cpu_halt_signal, NULL, 0));
1011     }
1012 
1013     if (hwdef->fd_base) {
1014         /* there is zero or one floppy drive */
1015         memset(fd, 0, sizeof(fd));
1016         fd[0] = drive_get(IF_FLOPPY, 0, 0);
1017         sun4m_fdctrl_init(slavio_irq[22], hwdef->fd_base, fd,
1018                           &fdc_tc);
1019     } else {
1020         fdc_tc = qemu_allocate_irq(dummy_fdc_tc, NULL, 0);
1021     }
1022 
1023     slavio_misc_init(hwdef->slavio_base, hwdef->aux1_base, hwdef->aux2_base,
1024                      slavio_irq[30], fdc_tc);
1025 
1026     if (hwdef->cs_base) {
1027         sysbus_create_simple("sun-CS4231", hwdef->cs_base,
1028                              slavio_irq[5]);
1029     }
1030 
1031     if (hwdef->dbri_base) {
1032         /* ISDN chip with attached CS4215 audio codec */
1033         /* prom space */
1034         create_unimplemented_device("sun-DBRI.prom",
1035                                     hwdef->dbri_base + 0x1000, 0x30);
1036         /* reg space */
1037         create_unimplemented_device("sun-DBRI",
1038                                     hwdef->dbri_base + 0x10000, 0x100);
1039     }
1040 
1041     if (hwdef->bpp_base) {
1042         /* parallel port */
1043         create_unimplemented_device("sun-bpp", hwdef->bpp_base, 0x20);
1044     }
1045 
1046     initrd_size = 0;
1047     kernel_size = sun4m_load_kernel(machine->kernel_filename,
1048                                     machine->initrd_filename,
1049                                     machine->ram_size, &initrd_size);
1050 
1051     nvram_init(nvram, (uint8_t *)&nd->macaddr, machine->kernel_cmdline,
1052                machine->boot_order, machine->ram_size, kernel_size,
1053                graphic_width, graphic_height, graphic_depth,
1054                hwdef->nvram_machine_id, "Sun4m");
1055 
1056     if (hwdef->ecc_base)
1057         ecc_init(hwdef->ecc_base, slavio_irq[28],
1058                  hwdef->ecc_version);
1059 
1060     dev = qdev_new(TYPE_FW_CFG_MEM);
1061     fw_cfg = FW_CFG(dev);
1062     qdev_prop_set_uint32(dev, "data_width", 1);
1063     qdev_prop_set_bit(dev, "dma_enabled", false);
1064     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
1065                               OBJECT(fw_cfg));
1066     s = SYS_BUS_DEVICE(dev);
1067     sysbus_realize_and_unref(s, &error_fatal);
1068     sysbus_mmio_map(s, 0, CFG_ADDR);
1069     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
1070 
1071     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
1072     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
1073     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
1074     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
1075     fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_DEPTH, graphic_depth);
1076     fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_WIDTH, graphic_width);
1077     fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_HEIGHT, graphic_height);
1078     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
1079     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
1080     if (machine->kernel_cmdline) {
1081         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
1082         pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE,
1083                          machine->kernel_cmdline);
1084         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
1085         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
1086                        strlen(machine->kernel_cmdline) + 1);
1087     } else {
1088         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
1089         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
1090     }
1091     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
1092     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
1093     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
1094     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
1095 }
1096 
1097 enum {
1098     ss5_id = 32,
1099     vger_id,
1100     lx_id,
1101     ss4_id,
1102     scls_id,
1103     sbook_id,
1104     ss10_id = 64,
1105     ss20_id,
1106     ss600mp_id,
1107 };
1108 
1109 static void sun4m_machine_class_init(ObjectClass *oc, void *data)
1110 {
1111     MachineClass *mc = MACHINE_CLASS(oc);
1112 
1113     mc->init = sun4m_hw_init;
1114     mc->block_default_type = IF_SCSI;
1115     mc->default_boot_order = "c";
1116     mc->default_display = "tcx";
1117     mc->default_ram_id = "sun4m.ram";
1118 }
1119 
1120 static void ss5_class_init(ObjectClass *oc, void *data)
1121 {
1122     MachineClass *mc = MACHINE_CLASS(oc);
1123     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1124     static const struct sun4m_hwdef ss5_hwdef = {
1125         .iommu_base   = 0x10000000,
1126         .iommu_pad_base = 0x10004000,
1127         .iommu_pad_len  = 0x0fffb000,
1128         .tcx_base     = 0x50000000,
1129         .cs_base      = 0x6c000000,
1130         .slavio_base  = 0x70000000,
1131         .ms_kb_base   = 0x71000000,
1132         .serial_base  = 0x71100000,
1133         .nvram_base   = 0x71200000,
1134         .fd_base      = 0x71400000,
1135         .counter_base = 0x71d00000,
1136         .intctl_base  = 0x71e00000,
1137         .idreg_base   = 0x78000000,
1138         .dma_base     = 0x78400000,
1139         .esp_base     = 0x78800000,
1140         .le_base      = 0x78c00000,
1141         .apc_base     = 0x6a000000,
1142         .afx_base     = 0x6e000000,
1143         .aux1_base    = 0x71900000,
1144         .aux2_base    = 0x71910000,
1145         .nvram_machine_id = 0x80,
1146         .machine_id = ss5_id,
1147         .iommu_version = 0x05000000,
1148         .max_mem = 0x10000000,
1149     };
1150 
1151     mc->desc = "Sun4m platform, SPARCstation 5";
1152     mc->is_default = true;
1153     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Fujitsu-MB86904");
1154     smc->hwdef = &ss5_hwdef;
1155 }
1156 
1157 static void ss10_class_init(ObjectClass *oc, void *data)
1158 {
1159     MachineClass *mc = MACHINE_CLASS(oc);
1160     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1161     static const struct sun4m_hwdef ss10_hwdef = {
1162         .iommu_base   = 0xfe0000000ULL,
1163         .tcx_base     = 0xe20000000ULL,
1164         .slavio_base  = 0xff0000000ULL,
1165         .ms_kb_base   = 0xff1000000ULL,
1166         .serial_base  = 0xff1100000ULL,
1167         .nvram_base   = 0xff1200000ULL,
1168         .fd_base      = 0xff1700000ULL,
1169         .counter_base = 0xff1300000ULL,
1170         .intctl_base  = 0xff1400000ULL,
1171         .idreg_base   = 0xef0000000ULL,
1172         .dma_base     = 0xef0400000ULL,
1173         .esp_base     = 0xef0800000ULL,
1174         .le_base      = 0xef0c00000ULL,
1175         .apc_base     = 0xefa000000ULL, /* XXX should not exist */
1176         .aux1_base    = 0xff1800000ULL,
1177         .aux2_base    = 0xff1a01000ULL,
1178         .ecc_base     = 0xf00000000ULL,
1179         .ecc_version  = 0x10000000, /* version 0, implementation 1 */
1180         .nvram_machine_id = 0x72,
1181         .machine_id = ss10_id,
1182         .iommu_version = 0x03000000,
1183         .max_mem = 0xf00000000ULL,
1184     };
1185 
1186     mc->desc = "Sun4m platform, SPARCstation 10";
1187     mc->max_cpus = 4;
1188     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-SuperSparc-II");
1189     smc->hwdef = &ss10_hwdef;
1190 }
1191 
1192 static void ss600mp_class_init(ObjectClass *oc, void *data)
1193 {
1194     MachineClass *mc = MACHINE_CLASS(oc);
1195     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1196     static const struct sun4m_hwdef ss600mp_hwdef = {
1197         .iommu_base   = 0xfe0000000ULL,
1198         .tcx_base     = 0xe20000000ULL,
1199         .slavio_base  = 0xff0000000ULL,
1200         .ms_kb_base   = 0xff1000000ULL,
1201         .serial_base  = 0xff1100000ULL,
1202         .nvram_base   = 0xff1200000ULL,
1203         .counter_base = 0xff1300000ULL,
1204         .intctl_base  = 0xff1400000ULL,
1205         .dma_base     = 0xef0081000ULL,
1206         .esp_base     = 0xef0080000ULL,
1207         .le_base      = 0xef0060000ULL,
1208         .apc_base     = 0xefa000000ULL, /* XXX should not exist */
1209         .aux1_base    = 0xff1800000ULL,
1210         .aux2_base    = 0xff1a01000ULL, /* XXX should not exist */
1211         .ecc_base     = 0xf00000000ULL,
1212         .ecc_version  = 0x00000000, /* version 0, implementation 0 */
1213         .nvram_machine_id = 0x71,
1214         .machine_id = ss600mp_id,
1215         .iommu_version = 0x01000000,
1216         .max_mem = 0xf00000000ULL,
1217     };
1218 
1219     mc->desc = "Sun4m platform, SPARCserver 600MP";
1220     mc->max_cpus = 4;
1221     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-SuperSparc-II");
1222     smc->hwdef = &ss600mp_hwdef;
1223 }
1224 
1225 static void ss20_class_init(ObjectClass *oc, void *data)
1226 {
1227     MachineClass *mc = MACHINE_CLASS(oc);
1228     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1229     static const struct sun4m_hwdef ss20_hwdef = {
1230         .iommu_base   = 0xfe0000000ULL,
1231         .tcx_base     = 0xe20000000ULL,
1232         .slavio_base  = 0xff0000000ULL,
1233         .ms_kb_base   = 0xff1000000ULL,
1234         .serial_base  = 0xff1100000ULL,
1235         .nvram_base   = 0xff1200000ULL,
1236         .fd_base      = 0xff1700000ULL,
1237         .counter_base = 0xff1300000ULL,
1238         .intctl_base  = 0xff1400000ULL,
1239         .idreg_base   = 0xef0000000ULL,
1240         .dma_base     = 0xef0400000ULL,
1241         .esp_base     = 0xef0800000ULL,
1242         .le_base      = 0xef0c00000ULL,
1243         .bpp_base     = 0xef4800000ULL,
1244         .apc_base     = 0xefa000000ULL, /* XXX should not exist */
1245         .aux1_base    = 0xff1800000ULL,
1246         .aux2_base    = 0xff1a01000ULL,
1247         .dbri_base    = 0xee0000000ULL,
1248         .sx_base      = 0xf80000000ULL,
1249         .vsimm        = {
1250             {
1251                 .reg_base  = 0x9c000000ULL,
1252                 .vram_base = 0xfc000000ULL
1253             }, {
1254                 .reg_base  = 0x90000000ULL,
1255                 .vram_base = 0xf0000000ULL
1256             }, {
1257                 .reg_base  = 0x94000000ULL
1258             }, {
1259                 .reg_base  = 0x98000000ULL
1260             }
1261         },
1262         .ecc_base     = 0xf00000000ULL,
1263         .ecc_version  = 0x20000000, /* version 0, implementation 2 */
1264         .nvram_machine_id = 0x72,
1265         .machine_id = ss20_id,
1266         .iommu_version = 0x13000000,
1267         .max_mem = 0xf00000000ULL,
1268     };
1269 
1270     mc->desc = "Sun4m platform, SPARCstation 20";
1271     mc->max_cpus = 4;
1272     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-SuperSparc-II");
1273     smc->hwdef = &ss20_hwdef;
1274 }
1275 
1276 static void voyager_class_init(ObjectClass *oc, void *data)
1277 {
1278     MachineClass *mc = MACHINE_CLASS(oc);
1279     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1280     static const struct sun4m_hwdef voyager_hwdef = {
1281         .iommu_base   = 0x10000000,
1282         .tcx_base     = 0x50000000,
1283         .slavio_base  = 0x70000000,
1284         .ms_kb_base   = 0x71000000,
1285         .serial_base  = 0x71100000,
1286         .nvram_base   = 0x71200000,
1287         .fd_base      = 0x71400000,
1288         .counter_base = 0x71d00000,
1289         .intctl_base  = 0x71e00000,
1290         .idreg_base   = 0x78000000,
1291         .dma_base     = 0x78400000,
1292         .esp_base     = 0x78800000,
1293         .le_base      = 0x78c00000,
1294         .apc_base     = 0x71300000, /* pmc */
1295         .aux1_base    = 0x71900000,
1296         .aux2_base    = 0x71910000,
1297         .nvram_machine_id = 0x80,
1298         .machine_id = vger_id,
1299         .iommu_version = 0x05000000,
1300         .max_mem = 0x10000000,
1301     };
1302 
1303     mc->desc = "Sun4m platform, SPARCstation Voyager";
1304     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Fujitsu-MB86904");
1305     smc->hwdef = &voyager_hwdef;
1306 }
1307 
1308 static void ss_lx_class_init(ObjectClass *oc, void *data)
1309 {
1310     MachineClass *mc = MACHINE_CLASS(oc);
1311     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1312     static const struct sun4m_hwdef ss_lx_hwdef = {
1313         .iommu_base   = 0x10000000,
1314         .iommu_pad_base = 0x10004000,
1315         .iommu_pad_len  = 0x0fffb000,
1316         .tcx_base     = 0x50000000,
1317         .slavio_base  = 0x70000000,
1318         .ms_kb_base   = 0x71000000,
1319         .serial_base  = 0x71100000,
1320         .nvram_base   = 0x71200000,
1321         .fd_base      = 0x71400000,
1322         .counter_base = 0x71d00000,
1323         .intctl_base  = 0x71e00000,
1324         .idreg_base   = 0x78000000,
1325         .dma_base     = 0x78400000,
1326         .esp_base     = 0x78800000,
1327         .le_base      = 0x78c00000,
1328         .aux1_base    = 0x71900000,
1329         .aux2_base    = 0x71910000,
1330         .nvram_machine_id = 0x80,
1331         .machine_id = lx_id,
1332         .iommu_version = 0x04000000,
1333         .max_mem = 0x10000000,
1334     };
1335 
1336     mc->desc = "Sun4m platform, SPARCstation LX";
1337     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-MicroSparc-I");
1338     smc->hwdef = &ss_lx_hwdef;
1339 }
1340 
1341 static void ss4_class_init(ObjectClass *oc, void *data)
1342 {
1343     MachineClass *mc = MACHINE_CLASS(oc);
1344     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1345     static const struct sun4m_hwdef ss4_hwdef = {
1346         .iommu_base   = 0x10000000,
1347         .tcx_base     = 0x50000000,
1348         .cs_base      = 0x6c000000,
1349         .slavio_base  = 0x70000000,
1350         .ms_kb_base   = 0x71000000,
1351         .serial_base  = 0x71100000,
1352         .nvram_base   = 0x71200000,
1353         .fd_base      = 0x71400000,
1354         .counter_base = 0x71d00000,
1355         .intctl_base  = 0x71e00000,
1356         .idreg_base   = 0x78000000,
1357         .dma_base     = 0x78400000,
1358         .esp_base     = 0x78800000,
1359         .le_base      = 0x78c00000,
1360         .apc_base     = 0x6a000000,
1361         .aux1_base    = 0x71900000,
1362         .aux2_base    = 0x71910000,
1363         .nvram_machine_id = 0x80,
1364         .machine_id = ss4_id,
1365         .iommu_version = 0x05000000,
1366         .max_mem = 0x10000000,
1367     };
1368 
1369     mc->desc = "Sun4m platform, SPARCstation 4";
1370     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Fujitsu-MB86904");
1371     smc->hwdef = &ss4_hwdef;
1372 }
1373 
1374 static void scls_class_init(ObjectClass *oc, void *data)
1375 {
1376     MachineClass *mc = MACHINE_CLASS(oc);
1377     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1378     static const struct sun4m_hwdef scls_hwdef = {
1379         .iommu_base   = 0x10000000,
1380         .tcx_base     = 0x50000000,
1381         .slavio_base  = 0x70000000,
1382         .ms_kb_base   = 0x71000000,
1383         .serial_base  = 0x71100000,
1384         .nvram_base   = 0x71200000,
1385         .fd_base      = 0x71400000,
1386         .counter_base = 0x71d00000,
1387         .intctl_base  = 0x71e00000,
1388         .idreg_base   = 0x78000000,
1389         .dma_base     = 0x78400000,
1390         .esp_base     = 0x78800000,
1391         .le_base      = 0x78c00000,
1392         .apc_base     = 0x6a000000,
1393         .aux1_base    = 0x71900000,
1394         .aux2_base    = 0x71910000,
1395         .nvram_machine_id = 0x80,
1396         .machine_id = scls_id,
1397         .iommu_version = 0x05000000,
1398         .max_mem = 0x10000000,
1399     };
1400 
1401     mc->desc = "Sun4m platform, SPARCClassic";
1402     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-MicroSparc-I");
1403     smc->hwdef = &scls_hwdef;
1404 }
1405 
1406 static void sbook_class_init(ObjectClass *oc, void *data)
1407 {
1408     MachineClass *mc = MACHINE_CLASS(oc);
1409     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1410     static const struct sun4m_hwdef sbook_hwdef = {
1411         .iommu_base   = 0x10000000,
1412         .tcx_base     = 0x50000000, /* XXX */
1413         .slavio_base  = 0x70000000,
1414         .ms_kb_base   = 0x71000000,
1415         .serial_base  = 0x71100000,
1416         .nvram_base   = 0x71200000,
1417         .fd_base      = 0x71400000,
1418         .counter_base = 0x71d00000,
1419         .intctl_base  = 0x71e00000,
1420         .idreg_base   = 0x78000000,
1421         .dma_base     = 0x78400000,
1422         .esp_base     = 0x78800000,
1423         .le_base      = 0x78c00000,
1424         .apc_base     = 0x6a000000,
1425         .aux1_base    = 0x71900000,
1426         .aux2_base    = 0x71910000,
1427         .nvram_machine_id = 0x80,
1428         .machine_id = sbook_id,
1429         .iommu_version = 0x05000000,
1430         .max_mem = 0x10000000,
1431     };
1432 
1433     mc->desc = "Sun4m platform, SPARCbook";
1434     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-MicroSparc-I");
1435     smc->hwdef = &sbook_hwdef;
1436 }
1437 
1438 static const TypeInfo sun4m_machine_types[] = {
1439     {
1440         .name           = MACHINE_TYPE_NAME("SS-5"),
1441         .parent         = TYPE_SUN4M_MACHINE,
1442         .class_init     = ss5_class_init,
1443     }, {
1444         .name           = MACHINE_TYPE_NAME("SS-10"),
1445         .parent         = TYPE_SUN4M_MACHINE,
1446         .class_init     = ss10_class_init,
1447     }, {
1448         .name           = MACHINE_TYPE_NAME("SS-600MP"),
1449         .parent         = TYPE_SUN4M_MACHINE,
1450         .class_init     = ss600mp_class_init,
1451     }, {
1452         .name           = MACHINE_TYPE_NAME("SS-20"),
1453         .parent         = TYPE_SUN4M_MACHINE,
1454         .class_init     = ss20_class_init,
1455     }, {
1456         .name           = MACHINE_TYPE_NAME("Voyager"),
1457         .parent         = TYPE_SUN4M_MACHINE,
1458         .class_init     = voyager_class_init,
1459     }, {
1460         .name           = MACHINE_TYPE_NAME("LX"),
1461         .parent         = TYPE_SUN4M_MACHINE,
1462         .class_init     = ss_lx_class_init,
1463     }, {
1464         .name           = MACHINE_TYPE_NAME("SS-4"),
1465         .parent         = TYPE_SUN4M_MACHINE,
1466         .class_init     = ss4_class_init,
1467     }, {
1468         .name           = MACHINE_TYPE_NAME("SPARCClassic"),
1469         .parent         = TYPE_SUN4M_MACHINE,
1470         .class_init     = scls_class_init,
1471     }, {
1472         .name           = MACHINE_TYPE_NAME("SPARCbook"),
1473         .parent         = TYPE_SUN4M_MACHINE,
1474         .class_init     = sbook_class_init,
1475     }, {
1476         .name           = TYPE_SUN4M_MACHINE,
1477         .parent         = TYPE_MACHINE,
1478         .class_size     = sizeof(Sun4mMachineClass),
1479         .class_init     = sun4m_machine_class_init,
1480         .abstract       = true,
1481     }
1482 };
1483 
1484 DEFINE_TYPES(sun4m_machine_types)
1485 
1486 static void sun4m_register_types(void)
1487 {
1488     type_register_static(&idreg_info);
1489     type_register_static(&afx_info);
1490     type_register_static(&prom_info);
1491     type_register_static(&ram_info);
1492 }
1493 
1494 type_init(sun4m_register_types)
1495