xref: /openbmc/qemu/hw/sparc/sun4m.c (revision 95bc47dec8385e78d6a92c64f25c9f380d95e669)
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 void cpu_check_irqs(CPUSPARCState *env)
174 {
175     CPUState *cs;
176 
177     /* We should be holding the BQL before we mess with IRQs */
178     g_assert(qemu_mutex_iothread_locked());
179 
180     if (env->pil_in && (env->interrupt_index == 0 ||
181                         (env->interrupt_index & ~15) == TT_EXTINT)) {
182         unsigned int i;
183 
184         for (i = 15; i > 0; i--) {
185             if (env->pil_in & (1 << i)) {
186                 int old_interrupt = env->interrupt_index;
187 
188                 env->interrupt_index = TT_EXTINT | i;
189                 if (old_interrupt != env->interrupt_index) {
190                     cs = env_cpu(env);
191                     trace_sun4m_cpu_interrupt(i);
192                     cpu_interrupt(cs, CPU_INTERRUPT_HARD);
193                 }
194                 break;
195             }
196         }
197     } else if (!env->pil_in && (env->interrupt_index & ~15) == TT_EXTINT) {
198         cs = env_cpu(env);
199         trace_sun4m_cpu_reset_interrupt(env->interrupt_index & 15);
200         env->interrupt_index = 0;
201         cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
202     }
203 }
204 
205 static void cpu_kick_irq(SPARCCPU *cpu)
206 {
207     CPUSPARCState *env = &cpu->env;
208     CPUState *cs = CPU(cpu);
209 
210     cs->halted = 0;
211     cpu_check_irqs(env);
212     qemu_cpu_kick(cs);
213 }
214 
215 static void cpu_set_irq(void *opaque, int irq, int level)
216 {
217     SPARCCPU *cpu = opaque;
218     CPUSPARCState *env = &cpu->env;
219 
220     if (level) {
221         trace_sun4m_cpu_set_irq_raise(irq);
222         env->pil_in |= 1 << irq;
223         cpu_kick_irq(cpu);
224     } else {
225         trace_sun4m_cpu_set_irq_lower(irq);
226         env->pil_in &= ~(1 << irq);
227         cpu_check_irqs(env);
228     }
229 }
230 
231 static void dummy_cpu_set_irq(void *opaque, int irq, int level)
232 {
233 }
234 
235 static void sun4m_cpu_reset(void *opaque)
236 {
237     SPARCCPU *cpu = opaque;
238     CPUState *cs = CPU(cpu);
239 
240     cpu_reset(cs);
241 }
242 
243 static void cpu_halt_signal(void *opaque, int irq, int level)
244 {
245     if (level && current_cpu) {
246         cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
247     }
248 }
249 
250 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
251 {
252     return addr - 0xf0000000ULL;
253 }
254 
255 static unsigned long sun4m_load_kernel(const char *kernel_filename,
256                                        const char *initrd_filename,
257                                        ram_addr_t RAM_size,
258                                        uint32_t *initrd_size)
259 {
260     int linux_boot;
261     unsigned int i;
262     long kernel_size;
263     uint8_t *ptr;
264 
265     linux_boot = (kernel_filename != NULL);
266 
267     kernel_size = 0;
268     if (linux_boot) {
269         int bswap_needed;
270 
271 #ifdef BSWAP_NEEDED
272         bswap_needed = 1;
273 #else
274         bswap_needed = 0;
275 #endif
276         kernel_size = load_elf(kernel_filename, NULL,
277                                translate_kernel_address, NULL,
278                                NULL, NULL, NULL, NULL, 1, EM_SPARC, 0, 0);
279         if (kernel_size < 0)
280             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
281                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
282                                     TARGET_PAGE_SIZE);
283         if (kernel_size < 0)
284             kernel_size = load_image_targphys(kernel_filename,
285                                               KERNEL_LOAD_ADDR,
286                                               RAM_size - KERNEL_LOAD_ADDR);
287         if (kernel_size < 0) {
288             error_report("could not load kernel '%s'", kernel_filename);
289             exit(1);
290         }
291 
292         /* load initrd */
293         *initrd_size = 0;
294         if (initrd_filename) {
295             *initrd_size = load_image_targphys(initrd_filename,
296                                                INITRD_LOAD_ADDR,
297                                                RAM_size - INITRD_LOAD_ADDR);
298             if ((int)*initrd_size < 0) {
299                 error_report("could not load initial ram disk '%s'",
300                              initrd_filename);
301                 exit(1);
302             }
303         }
304         if (*initrd_size > 0) {
305             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
306                 ptr = rom_ptr(KERNEL_LOAD_ADDR + i, 24);
307                 if (ptr && ldl_p(ptr) == 0x48647253) { /* HdrS */
308                     stl_p(ptr + 16, INITRD_LOAD_ADDR);
309                     stl_p(ptr + 20, *initrd_size);
310                     break;
311                 }
312             }
313         }
314     }
315     return kernel_size;
316 }
317 
318 static void *iommu_init(hwaddr addr, uint32_t version, qemu_irq irq)
319 {
320     DeviceState *dev;
321     SysBusDevice *s;
322 
323     dev = qdev_new(TYPE_SUN4M_IOMMU);
324     qdev_prop_set_uint32(dev, "version", version);
325     s = SYS_BUS_DEVICE(dev);
326     sysbus_realize_and_unref(s, &error_fatal);
327     sysbus_connect_irq(s, 0, irq);
328     sysbus_mmio_map(s, 0, addr);
329 
330     return s;
331 }
332 
333 static void *sparc32_dma_init(hwaddr dma_base,
334                               hwaddr esp_base, qemu_irq espdma_irq,
335                               hwaddr le_base, qemu_irq ledma_irq, NICInfo *nd)
336 {
337     DeviceState *dma;
338     ESPDMADeviceState *espdma;
339     LEDMADeviceState *ledma;
340     SysBusESPState *esp;
341     SysBusPCNetState *lance;
342 
343     dma = qdev_new(TYPE_SPARC32_DMA);
344     espdma = SPARC32_ESPDMA_DEVICE(object_resolve_path_component(
345                                    OBJECT(dma), "espdma"));
346     sysbus_connect_irq(SYS_BUS_DEVICE(espdma), 0, espdma_irq);
347 
348     esp = SYSBUS_ESP(object_resolve_path_component(OBJECT(espdma), "esp"));
349 
350     ledma = SPARC32_LEDMA_DEVICE(object_resolve_path_component(
351                                  OBJECT(dma), "ledma"));
352     sysbus_connect_irq(SYS_BUS_DEVICE(ledma), 0, ledma_irq);
353 
354     lance = SYSBUS_PCNET(object_resolve_path_component(
355                          OBJECT(ledma), "lance"));
356     qdev_set_nic_properties(DEVICE(lance), nd);
357 
358     sysbus_realize_and_unref(SYS_BUS_DEVICE(dma), &error_fatal);
359     sysbus_mmio_map(SYS_BUS_DEVICE(dma), 0, dma_base);
360 
361     sysbus_mmio_map(SYS_BUS_DEVICE(esp), 0, esp_base);
362     scsi_bus_legacy_handle_cmdline(&esp->esp.bus);
363 
364     sysbus_mmio_map(SYS_BUS_DEVICE(lance), 0, le_base);
365 
366     return dma;
367 }
368 
369 static DeviceState *slavio_intctl_init(hwaddr addr,
370                                        hwaddr addrg,
371                                        qemu_irq **parent_irq)
372 {
373     DeviceState *dev;
374     SysBusDevice *s;
375     unsigned int i, j;
376 
377     dev = qdev_new("slavio_intctl");
378 
379     s = SYS_BUS_DEVICE(dev);
380     sysbus_realize_and_unref(s, &error_fatal);
381 
382     for (i = 0; i < MAX_CPUS; i++) {
383         for (j = 0; j < MAX_PILS; j++) {
384             sysbus_connect_irq(s, i * MAX_PILS + j, parent_irq[i][j]);
385         }
386     }
387     sysbus_mmio_map(s, 0, addrg);
388     for (i = 0; i < MAX_CPUS; i++) {
389         sysbus_mmio_map(s, i + 1, addr + i * TARGET_PAGE_SIZE);
390     }
391 
392     return dev;
393 }
394 
395 #define SYS_TIMER_OFFSET      0x10000ULL
396 #define CPU_TIMER_OFFSET(cpu) (0x1000ULL * cpu)
397 
398 static void slavio_timer_init_all(hwaddr addr, qemu_irq master_irq,
399                                   qemu_irq *cpu_irqs, unsigned int num_cpus)
400 {
401     DeviceState *dev;
402     SysBusDevice *s;
403     unsigned int i;
404 
405     dev = qdev_new("slavio_timer");
406     qdev_prop_set_uint32(dev, "num_cpus", num_cpus);
407     s = SYS_BUS_DEVICE(dev);
408     sysbus_realize_and_unref(s, &error_fatal);
409     sysbus_connect_irq(s, 0, master_irq);
410     sysbus_mmio_map(s, 0, addr + SYS_TIMER_OFFSET);
411 
412     for (i = 0; i < MAX_CPUS; i++) {
413         sysbus_mmio_map(s, i + 1, addr + (hwaddr)CPU_TIMER_OFFSET(i));
414         sysbus_connect_irq(s, i + 1, cpu_irqs[i]);
415     }
416 }
417 
418 static qemu_irq  slavio_system_powerdown;
419 
420 static void slavio_powerdown_req(Notifier *n, void *opaque)
421 {
422     qemu_irq_raise(slavio_system_powerdown);
423 }
424 
425 static Notifier slavio_system_powerdown_notifier = {
426     .notify = slavio_powerdown_req
427 };
428 
429 #define MISC_LEDS 0x01600000
430 #define MISC_CFG  0x01800000
431 #define MISC_DIAG 0x01a00000
432 #define MISC_MDM  0x01b00000
433 #define MISC_SYS  0x01f00000
434 
435 static void slavio_misc_init(hwaddr base,
436                              hwaddr aux1_base,
437                              hwaddr aux2_base, qemu_irq irq,
438                              qemu_irq fdc_tc)
439 {
440     DeviceState *dev;
441     SysBusDevice *s;
442 
443     dev = qdev_new("slavio_misc");
444     s = SYS_BUS_DEVICE(dev);
445     sysbus_realize_and_unref(s, &error_fatal);
446     if (base) {
447         /* 8 bit registers */
448         /* Slavio control */
449         sysbus_mmio_map(s, 0, base + MISC_CFG);
450         /* Diagnostics */
451         sysbus_mmio_map(s, 1, base + MISC_DIAG);
452         /* Modem control */
453         sysbus_mmio_map(s, 2, base + MISC_MDM);
454         /* 16 bit registers */
455         /* ss600mp diag LEDs */
456         sysbus_mmio_map(s, 3, base + MISC_LEDS);
457         /* 32 bit registers */
458         /* System control */
459         sysbus_mmio_map(s, 4, base + MISC_SYS);
460     }
461     if (aux1_base) {
462         /* AUX 1 (Misc System Functions) */
463         sysbus_mmio_map(s, 5, aux1_base);
464     }
465     if (aux2_base) {
466         /* AUX 2 (Software Powerdown Control) */
467         sysbus_mmio_map(s, 6, aux2_base);
468     }
469     sysbus_connect_irq(s, 0, irq);
470     sysbus_connect_irq(s, 1, fdc_tc);
471     slavio_system_powerdown = qdev_get_gpio_in(dev, 0);
472     qemu_register_powerdown_notifier(&slavio_system_powerdown_notifier);
473 }
474 
475 static void ecc_init(hwaddr base, qemu_irq irq, uint32_t version)
476 {
477     DeviceState *dev;
478     SysBusDevice *s;
479 
480     dev = qdev_new("eccmemctl");
481     qdev_prop_set_uint32(dev, "version", version);
482     s = SYS_BUS_DEVICE(dev);
483     sysbus_realize_and_unref(s, &error_fatal);
484     sysbus_connect_irq(s, 0, irq);
485     sysbus_mmio_map(s, 0, base);
486     if (version == 0) { // SS-600MP only
487         sysbus_mmio_map(s, 1, base + 0x1000);
488     }
489 }
490 
491 static void apc_init(hwaddr power_base, qemu_irq cpu_halt)
492 {
493     DeviceState *dev;
494     SysBusDevice *s;
495 
496     dev = qdev_new("apc");
497     s = SYS_BUS_DEVICE(dev);
498     sysbus_realize_and_unref(s, &error_fatal);
499     /* Power management (APC) XXX: not a Slavio device */
500     sysbus_mmio_map(s, 0, power_base);
501     sysbus_connect_irq(s, 0, cpu_halt);
502 }
503 
504 static void tcx_init(hwaddr addr, qemu_irq irq, int vram_size, int width,
505                      int height, int depth)
506 {
507     DeviceState *dev;
508     SysBusDevice *s;
509 
510     dev = qdev_new("sun-tcx");
511     qdev_prop_set_uint32(dev, "vram_size", vram_size);
512     qdev_prop_set_uint16(dev, "width", width);
513     qdev_prop_set_uint16(dev, "height", height);
514     qdev_prop_set_uint16(dev, "depth", depth);
515     s = SYS_BUS_DEVICE(dev);
516     sysbus_realize_and_unref(s, &error_fatal);
517 
518     /* 10/ROM : FCode ROM */
519     sysbus_mmio_map(s, 0, addr);
520     /* 2/STIP : Stipple */
521     sysbus_mmio_map(s, 1, addr + 0x04000000ULL);
522     /* 3/BLIT : Blitter */
523     sysbus_mmio_map(s, 2, addr + 0x06000000ULL);
524     /* 5/RSTIP : Raw Stipple */
525     sysbus_mmio_map(s, 3, addr + 0x0c000000ULL);
526     /* 6/RBLIT : Raw Blitter */
527     sysbus_mmio_map(s, 4, addr + 0x0e000000ULL);
528     /* 7/TEC : Transform Engine */
529     sysbus_mmio_map(s, 5, addr + 0x00700000ULL);
530     /* 8/CMAP  : DAC */
531     sysbus_mmio_map(s, 6, addr + 0x00200000ULL);
532     /* 9/THC : */
533     if (depth == 8) {
534         sysbus_mmio_map(s, 7, addr + 0x00300000ULL);
535     } else {
536         sysbus_mmio_map(s, 7, addr + 0x00301000ULL);
537     }
538     /* 11/DHC : */
539     sysbus_mmio_map(s, 8, addr + 0x00240000ULL);
540     /* 12/ALT : */
541     sysbus_mmio_map(s, 9, addr + 0x00280000ULL);
542     /* 0/DFB8 : 8-bit plane */
543     sysbus_mmio_map(s, 10, addr + 0x00800000ULL);
544     /* 1/DFB24 : 24bit plane */
545     sysbus_mmio_map(s, 11, addr + 0x02000000ULL);
546     /* 4/RDFB32: Raw framebuffer. Control plane */
547     sysbus_mmio_map(s, 12, addr + 0x0a000000ULL);
548     /* 9/THC24bits : NetBSD writes here even with 8-bit display: dummy */
549     if (depth == 8) {
550         sysbus_mmio_map(s, 13, addr + 0x00301000ULL);
551     }
552 
553     sysbus_connect_irq(s, 0, irq);
554 }
555 
556 static void cg3_init(hwaddr addr, qemu_irq irq, int vram_size, int width,
557                      int height, int depth)
558 {
559     DeviceState *dev;
560     SysBusDevice *s;
561 
562     dev = qdev_new("cgthree");
563     qdev_prop_set_uint32(dev, "vram-size", vram_size);
564     qdev_prop_set_uint16(dev, "width", width);
565     qdev_prop_set_uint16(dev, "height", height);
566     qdev_prop_set_uint16(dev, "depth", depth);
567     s = SYS_BUS_DEVICE(dev);
568     sysbus_realize_and_unref(s, &error_fatal);
569 
570     /* FCode ROM */
571     sysbus_mmio_map(s, 0, addr);
572     /* DAC */
573     sysbus_mmio_map(s, 1, addr + 0x400000ULL);
574     /* 8-bit plane */
575     sysbus_mmio_map(s, 2, addr + 0x800000ULL);
576 
577     sysbus_connect_irq(s, 0, irq);
578 }
579 
580 /* NCR89C100/MACIO Internal ID register */
581 
582 #define TYPE_MACIO_ID_REGISTER "macio_idreg"
583 
584 static const uint8_t idreg_data[] = { 0xfe, 0x81, 0x01, 0x03 };
585 
586 static void idreg_init(hwaddr addr)
587 {
588     DeviceState *dev;
589     SysBusDevice *s;
590 
591     dev = qdev_new(TYPE_MACIO_ID_REGISTER);
592     s = SYS_BUS_DEVICE(dev);
593     sysbus_realize_and_unref(s, &error_fatal);
594 
595     sysbus_mmio_map(s, 0, addr);
596     address_space_write_rom(&address_space_memory, addr,
597                             MEMTXATTRS_UNSPECIFIED,
598                             idreg_data, sizeof(idreg_data));
599 }
600 
601 OBJECT_DECLARE_SIMPLE_TYPE(IDRegState, MACIO_ID_REGISTER)
602 
603 struct IDRegState {
604     SysBusDevice parent_obj;
605 
606     MemoryRegion mem;
607 };
608 
609 static void idreg_realize(DeviceState *ds, Error **errp)
610 {
611     IDRegState *s = MACIO_ID_REGISTER(ds);
612     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
613     Error *local_err = NULL;
614 
615     memory_region_init_ram_nomigrate(&s->mem, OBJECT(ds), "sun4m.idreg",
616                                      sizeof(idreg_data), &local_err);
617     if (local_err) {
618         error_propagate(errp, local_err);
619         return;
620     }
621 
622     vmstate_register_ram_global(&s->mem);
623     memory_region_set_readonly(&s->mem, true);
624     sysbus_init_mmio(dev, &s->mem);
625 }
626 
627 static void idreg_class_init(ObjectClass *oc, void *data)
628 {
629     DeviceClass *dc = DEVICE_CLASS(oc);
630 
631     dc->realize = idreg_realize;
632 }
633 
634 static const TypeInfo idreg_info = {
635     .name          = TYPE_MACIO_ID_REGISTER,
636     .parent        = TYPE_SYS_BUS_DEVICE,
637     .instance_size = sizeof(IDRegState),
638     .class_init    = idreg_class_init,
639 };
640 
641 #define TYPE_TCX_AFX "tcx_afx"
642 OBJECT_DECLARE_SIMPLE_TYPE(AFXState, TCX_AFX)
643 
644 struct AFXState {
645     SysBusDevice parent_obj;
646 
647     MemoryRegion mem;
648 };
649 
650 /* SS-5 TCX AFX register */
651 static void afx_init(hwaddr addr)
652 {
653     DeviceState *dev;
654     SysBusDevice *s;
655 
656     dev = qdev_new(TYPE_TCX_AFX);
657     s = SYS_BUS_DEVICE(dev);
658     sysbus_realize_and_unref(s, &error_fatal);
659 
660     sysbus_mmio_map(s, 0, addr);
661 }
662 
663 static void afx_realize(DeviceState *ds, Error **errp)
664 {
665     AFXState *s = TCX_AFX(ds);
666     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
667     Error *local_err = NULL;
668 
669     memory_region_init_ram_nomigrate(&s->mem, OBJECT(ds), "sun4m.afx", 4,
670                                      &local_err);
671     if (local_err) {
672         error_propagate(errp, local_err);
673         return;
674     }
675 
676     vmstate_register_ram_global(&s->mem);
677     sysbus_init_mmio(dev, &s->mem);
678 }
679 
680 static void afx_class_init(ObjectClass *oc, void *data)
681 {
682     DeviceClass *dc = DEVICE_CLASS(oc);
683 
684     dc->realize = afx_realize;
685 }
686 
687 static const TypeInfo afx_info = {
688     .name          = TYPE_TCX_AFX,
689     .parent        = TYPE_SYS_BUS_DEVICE,
690     .instance_size = sizeof(AFXState),
691     .class_init    = afx_class_init,
692 };
693 
694 #define TYPE_OPENPROM "openprom"
695 typedef struct PROMState PROMState;
696 DECLARE_INSTANCE_CHECKER(PROMState, OPENPROM,
697                          TYPE_OPENPROM)
698 
699 struct PROMState {
700     SysBusDevice parent_obj;
701 
702     MemoryRegion prom;
703 };
704 
705 /* Boot PROM (OpenBIOS) */
706 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
707 {
708     hwaddr *base_addr = (hwaddr *)opaque;
709     return addr + *base_addr - PROM_VADDR;
710 }
711 
712 static void prom_init(hwaddr addr, const char *bios_name)
713 {
714     DeviceState *dev;
715     SysBusDevice *s;
716     char *filename;
717     int ret;
718 
719     dev = qdev_new(TYPE_OPENPROM);
720     s = SYS_BUS_DEVICE(dev);
721     sysbus_realize_and_unref(s, &error_fatal);
722 
723     sysbus_mmio_map(s, 0, addr);
724 
725     /* load boot prom */
726     if (bios_name == NULL) {
727         bios_name = PROM_FILENAME;
728     }
729     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
730     if (filename) {
731         ret = load_elf(filename, NULL,
732                        translate_prom_address, &addr, NULL,
733                        NULL, NULL, NULL, 1, EM_SPARC, 0, 0);
734         if (ret < 0 || ret > PROM_SIZE_MAX) {
735             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
736         }
737         g_free(filename);
738     } else {
739         ret = -1;
740     }
741     if (ret < 0 || ret > PROM_SIZE_MAX) {
742         error_report("could not load prom '%s'", bios_name);
743         exit(1);
744     }
745 }
746 
747 static void prom_realize(DeviceState *ds, Error **errp)
748 {
749     PROMState *s = OPENPROM(ds);
750     SysBusDevice *dev = SYS_BUS_DEVICE(ds);
751     Error *local_err = NULL;
752 
753     memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4m.prom",
754                                      PROM_SIZE_MAX, &local_err);
755     if (local_err) {
756         error_propagate(errp, local_err);
757         return;
758     }
759 
760     vmstate_register_ram_global(&s->prom);
761     memory_region_set_readonly(&s->prom, true);
762     sysbus_init_mmio(dev, &s->prom);
763 }
764 
765 static Property prom_properties[] = {
766     {/* end of property list */},
767 };
768 
769 static void prom_class_init(ObjectClass *klass, void *data)
770 {
771     DeviceClass *dc = DEVICE_CLASS(klass);
772 
773     device_class_set_props(dc, prom_properties);
774     dc->realize = prom_realize;
775 }
776 
777 static const TypeInfo prom_info = {
778     .name          = TYPE_OPENPROM,
779     .parent        = TYPE_SYS_BUS_DEVICE,
780     .instance_size = sizeof(PROMState),
781     .class_init    = prom_class_init,
782 };
783 
784 #define TYPE_SUN4M_MEMORY "memory"
785 typedef struct RamDevice RamDevice;
786 DECLARE_INSTANCE_CHECKER(RamDevice, SUN4M_RAM,
787                          TYPE_SUN4M_MEMORY)
788 
789 struct RamDevice {
790     SysBusDevice parent_obj;
791     HostMemoryBackend *memdev;
792 };
793 
794 /* System RAM */
795 static void ram_realize(DeviceState *dev, Error **errp)
796 {
797     RamDevice *d = SUN4M_RAM(dev);
798     MemoryRegion *ram = host_memory_backend_get_memory(d->memdev);
799 
800     sysbus_init_mmio(SYS_BUS_DEVICE(dev), ram);
801 }
802 
803 static void ram_initfn(Object *obj)
804 {
805     RamDevice *d = SUN4M_RAM(obj);
806     object_property_add_link(obj, "memdev", TYPE_MEMORY_BACKEND,
807                              (Object **)&d->memdev,
808                              object_property_allow_set_link,
809                              OBJ_PROP_LINK_STRONG);
810     object_property_set_description(obj, "memdev", "Set RAM backend"
811                                     "Valid value is ID of a hostmem backend");
812 }
813 
814 static void ram_class_init(ObjectClass *klass, void *data)
815 {
816     DeviceClass *dc = DEVICE_CLASS(klass);
817 
818     dc->realize = ram_realize;
819 }
820 
821 static const TypeInfo ram_info = {
822     .name          = TYPE_SUN4M_MEMORY,
823     .parent        = TYPE_SYS_BUS_DEVICE,
824     .instance_size = sizeof(RamDevice),
825     .instance_init = ram_initfn,
826     .class_init    = ram_class_init,
827 };
828 
829 static void cpu_devinit(const char *cpu_type, unsigned int id,
830                         uint64_t prom_addr, qemu_irq **cpu_irqs)
831 {
832     SPARCCPU *cpu;
833     CPUSPARCState *env;
834 
835     cpu = SPARC_CPU(object_new(cpu_type));
836     env = &cpu->env;
837 
838     cpu_sparc_set_id(env, id);
839     qemu_register_reset(sun4m_cpu_reset, cpu);
840     object_property_set_bool(OBJECT(cpu), "start-powered-off", id != 0,
841                              &error_fatal);
842     qdev_realize_and_unref(DEVICE(cpu), NULL, &error_fatal);
843     *cpu_irqs = qemu_allocate_irqs(cpu_set_irq, cpu, MAX_PILS);
844     env->prom_addr = prom_addr;
845 }
846 
847 static void dummy_fdc_tc(void *opaque, int irq, int level)
848 {
849 }
850 
851 static void sun4m_hw_init(MachineState *machine)
852 {
853     const struct sun4m_hwdef *hwdef = SUN4M_MACHINE_GET_CLASS(machine)->hwdef;
854     DeviceState *slavio_intctl;
855     unsigned int i;
856     Nvram *nvram;
857     qemu_irq *cpu_irqs[MAX_CPUS], slavio_irq[32], slavio_cpu_irq[MAX_CPUS];
858     qemu_irq fdc_tc;
859     unsigned long kernel_size;
860     uint32_t initrd_size;
861     DriveInfo *fd[MAX_FD];
862     FWCfgState *fw_cfg;
863     DeviceState *dev, *ms_kb_orgate, *serial_orgate;
864     SysBusDevice *s;
865     unsigned int smp_cpus = machine->smp.cpus;
866     unsigned int max_cpus = machine->smp.max_cpus;
867     Object *ram_memdev = object_resolve_path_type(machine->ram_memdev_id,
868                                                   TYPE_MEMORY_BACKEND, NULL);
869     NICInfo *nd = &nd_table[0];
870 
871     if (machine->ram_size > hwdef->max_mem) {
872         error_report("Too much memory for this machine: %" PRId64 ","
873                      " maximum %" PRId64,
874                      machine->ram_size / MiB, hwdef->max_mem / MiB);
875         exit(1);
876     }
877 
878     /* init CPUs */
879     for(i = 0; i < smp_cpus; i++) {
880         cpu_devinit(machine->cpu_type, i, hwdef->slavio_base, &cpu_irqs[i]);
881     }
882 
883     for (i = smp_cpus; i < MAX_CPUS; i++)
884         cpu_irqs[i] = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, MAX_PILS);
885 
886     /* Create and map RAM frontend */
887     dev = qdev_new("memory");
888     object_property_set_link(OBJECT(dev), "memdev", ram_memdev, &error_fatal);
889     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
890     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0);
891 
892     /* models without ECC don't trap when missing ram is accessed */
893     if (!hwdef->ecc_base) {
894         empty_slot_init("ecc", machine->ram_size,
895                         hwdef->max_mem - machine->ram_size);
896     }
897 
898     prom_init(hwdef->slavio_base, machine->firmware);
899 
900     slavio_intctl = slavio_intctl_init(hwdef->intctl_base,
901                                        hwdef->intctl_base + 0x10000ULL,
902                                        cpu_irqs);
903 
904     for (i = 0; i < 32; i++) {
905         slavio_irq[i] = qdev_get_gpio_in(slavio_intctl, i);
906     }
907     for (i = 0; i < MAX_CPUS; i++) {
908         slavio_cpu_irq[i] = qdev_get_gpio_in(slavio_intctl, 32 + i);
909     }
910 
911     if (hwdef->idreg_base) {
912         idreg_init(hwdef->idreg_base);
913     }
914 
915     if (hwdef->afx_base) {
916         afx_init(hwdef->afx_base);
917     }
918 
919     iommu_init(hwdef->iommu_base, hwdef->iommu_version, slavio_irq[30]);
920 
921     if (hwdef->iommu_pad_base) {
922         /* On the real hardware (SS-5, LX) the MMU is not padded, but aliased.
923            Software shouldn't use aliased addresses, neither should it crash
924            when does. Using empty_slot instead of aliasing can help with
925            debugging such accesses */
926         empty_slot_init("iommu.alias",
927                         hwdef->iommu_pad_base, hwdef->iommu_pad_len);
928     }
929 
930     qemu_check_nic_model(nd, TYPE_LANCE);
931     sparc32_dma_init(hwdef->dma_base,
932                      hwdef->esp_base, slavio_irq[18],
933                      hwdef->le_base, slavio_irq[16], nd);
934 
935     if (graphic_depth != 8 && graphic_depth != 24) {
936         error_report("Unsupported depth: %d", graphic_depth);
937         exit (1);
938     }
939     if (vga_interface_type != VGA_NONE) {
940         if (vga_interface_type == VGA_CG3) {
941             if (graphic_depth != 8) {
942                 error_report("Unsupported depth: %d", graphic_depth);
943                 exit(1);
944             }
945 
946             if (!(graphic_width == 1024 && graphic_height == 768) &&
947                 !(graphic_width == 1152 && graphic_height == 900)) {
948                 error_report("Unsupported resolution: %d x %d", graphic_width,
949                              graphic_height);
950                 exit(1);
951             }
952 
953             /* sbus irq 5 */
954             cg3_init(hwdef->tcx_base, slavio_irq[11], 0x00100000,
955                      graphic_width, graphic_height, graphic_depth);
956         } else {
957             /* If no display specified, default to TCX */
958             if (graphic_depth != 8 && graphic_depth != 24) {
959                 error_report("Unsupported depth: %d", graphic_depth);
960                 exit(1);
961             }
962 
963             if (!(graphic_width == 1024 && graphic_height == 768)) {
964                 error_report("Unsupported resolution: %d x %d",
965                              graphic_width, graphic_height);
966                 exit(1);
967             }
968 
969             tcx_init(hwdef->tcx_base, slavio_irq[11], 0x00100000,
970                      graphic_width, graphic_height, graphic_depth);
971         }
972     }
973 
974     for (i = 0; i < MAX_VSIMMS; i++) {
975         /* vsimm registers probed by OBP */
976         if (hwdef->vsimm[i].reg_base) {
977             char *name = g_strdup_printf("vsimm[%d]", i);
978             empty_slot_init(name, hwdef->vsimm[i].reg_base, 0x2000);
979             g_free(name);
980         }
981     }
982 
983     if (hwdef->sx_base) {
984         create_unimplemented_device("sun-sx", hwdef->sx_base, 0x2000);
985     }
986 
987     dev = qdev_new("sysbus-m48t08");
988     qdev_prop_set_int32(dev, "base-year", 1968);
989     s = SYS_BUS_DEVICE(dev);
990     sysbus_realize_and_unref(s, &error_fatal);
991     sysbus_connect_irq(s, 0, slavio_irq[0]);
992     sysbus_mmio_map(s, 0, hwdef->nvram_base);
993     nvram = NVRAM(dev);
994 
995     slavio_timer_init_all(hwdef->counter_base, slavio_irq[19], slavio_cpu_irq, smp_cpus);
996 
997     /* Slavio TTYA (base+4, Linux ttyS0) is the first QEMU serial device
998        Slavio TTYB (base+0, Linux ttyS1) is the second QEMU serial device */
999     dev = qdev_new(TYPE_ESCC);
1000     qdev_prop_set_uint32(dev, "disabled", !machine->enable_graphics);
1001     qdev_prop_set_uint32(dev, "frequency", ESCC_CLOCK);
1002     qdev_prop_set_uint32(dev, "it_shift", 1);
1003     qdev_prop_set_chr(dev, "chrB", NULL);
1004     qdev_prop_set_chr(dev, "chrA", NULL);
1005     qdev_prop_set_uint32(dev, "chnBtype", escc_mouse);
1006     qdev_prop_set_uint32(dev, "chnAtype", escc_kbd);
1007     s = SYS_BUS_DEVICE(dev);
1008     sysbus_realize_and_unref(s, &error_fatal);
1009     sysbus_mmio_map(s, 0, hwdef->ms_kb_base);
1010 
1011     /* Logically OR both its IRQs together */
1012     ms_kb_orgate = DEVICE(object_new(TYPE_OR_IRQ));
1013     object_property_set_int(OBJECT(ms_kb_orgate), "num-lines", 2, &error_fatal);
1014     qdev_realize_and_unref(ms_kb_orgate, NULL, &error_fatal);
1015     sysbus_connect_irq(s, 0, qdev_get_gpio_in(ms_kb_orgate, 0));
1016     sysbus_connect_irq(s, 1, qdev_get_gpio_in(ms_kb_orgate, 1));
1017     qdev_connect_gpio_out(DEVICE(ms_kb_orgate), 0, slavio_irq[14]);
1018 
1019     dev = qdev_new(TYPE_ESCC);
1020     qdev_prop_set_uint32(dev, "disabled", 0);
1021     qdev_prop_set_uint32(dev, "frequency", ESCC_CLOCK);
1022     qdev_prop_set_uint32(dev, "it_shift", 1);
1023     qdev_prop_set_chr(dev, "chrB", serial_hd(1));
1024     qdev_prop_set_chr(dev, "chrA", serial_hd(0));
1025     qdev_prop_set_uint32(dev, "chnBtype", escc_serial);
1026     qdev_prop_set_uint32(dev, "chnAtype", escc_serial);
1027 
1028     s = SYS_BUS_DEVICE(dev);
1029     sysbus_realize_and_unref(s, &error_fatal);
1030     sysbus_mmio_map(s, 0, hwdef->serial_base);
1031 
1032     /* Logically OR both its IRQs together */
1033     serial_orgate = DEVICE(object_new(TYPE_OR_IRQ));
1034     object_property_set_int(OBJECT(serial_orgate), "num-lines", 2,
1035                             &error_fatal);
1036     qdev_realize_and_unref(serial_orgate, NULL, &error_fatal);
1037     sysbus_connect_irq(s, 0, qdev_get_gpio_in(serial_orgate, 0));
1038     sysbus_connect_irq(s, 1, qdev_get_gpio_in(serial_orgate, 1));
1039     qdev_connect_gpio_out(DEVICE(serial_orgate), 0, slavio_irq[15]);
1040 
1041     if (hwdef->apc_base) {
1042         apc_init(hwdef->apc_base, qemu_allocate_irq(cpu_halt_signal, NULL, 0));
1043     }
1044 
1045     if (hwdef->fd_base) {
1046         /* there is zero or one floppy drive */
1047         memset(fd, 0, sizeof(fd));
1048         fd[0] = drive_get(IF_FLOPPY, 0, 0);
1049         sun4m_fdctrl_init(slavio_irq[22], hwdef->fd_base, fd,
1050                           &fdc_tc);
1051     } else {
1052         fdc_tc = qemu_allocate_irq(dummy_fdc_tc, NULL, 0);
1053     }
1054 
1055     slavio_misc_init(hwdef->slavio_base, hwdef->aux1_base, hwdef->aux2_base,
1056                      slavio_irq[30], fdc_tc);
1057 
1058     if (hwdef->cs_base) {
1059         sysbus_create_simple("sun-CS4231", hwdef->cs_base,
1060                              slavio_irq[5]);
1061     }
1062 
1063     if (hwdef->dbri_base) {
1064         /* ISDN chip with attached CS4215 audio codec */
1065         /* prom space */
1066         create_unimplemented_device("sun-DBRI.prom",
1067                                     hwdef->dbri_base + 0x1000, 0x30);
1068         /* reg space */
1069         create_unimplemented_device("sun-DBRI",
1070                                     hwdef->dbri_base + 0x10000, 0x100);
1071     }
1072 
1073     if (hwdef->bpp_base) {
1074         /* parallel port */
1075         create_unimplemented_device("sun-bpp", hwdef->bpp_base, 0x20);
1076     }
1077 
1078     initrd_size = 0;
1079     kernel_size = sun4m_load_kernel(machine->kernel_filename,
1080                                     machine->initrd_filename,
1081                                     machine->ram_size, &initrd_size);
1082 
1083     nvram_init(nvram, (uint8_t *)&nd->macaddr, machine->kernel_cmdline,
1084                machine->boot_order, machine->ram_size, kernel_size,
1085                graphic_width, graphic_height, graphic_depth,
1086                hwdef->nvram_machine_id, "Sun4m");
1087 
1088     if (hwdef->ecc_base)
1089         ecc_init(hwdef->ecc_base, slavio_irq[28],
1090                  hwdef->ecc_version);
1091 
1092     dev = qdev_new(TYPE_FW_CFG_MEM);
1093     fw_cfg = FW_CFG(dev);
1094     qdev_prop_set_uint32(dev, "data_width", 1);
1095     qdev_prop_set_bit(dev, "dma_enabled", false);
1096     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
1097                               OBJECT(fw_cfg));
1098     s = SYS_BUS_DEVICE(dev);
1099     sysbus_realize_and_unref(s, &error_fatal);
1100     sysbus_mmio_map(s, 0, CFG_ADDR);
1101     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
1102 
1103     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
1104     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
1105     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
1106     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
1107     fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_DEPTH, graphic_depth);
1108     fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_WIDTH, graphic_width);
1109     fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_HEIGHT, graphic_height);
1110     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
1111     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
1112     if (machine->kernel_cmdline) {
1113         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
1114         pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE,
1115                          machine->kernel_cmdline);
1116         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
1117         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
1118                        strlen(machine->kernel_cmdline) + 1);
1119     } else {
1120         fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
1121         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
1122     }
1123     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
1124     fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
1125     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
1126     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
1127 }
1128 
1129 enum {
1130     ss5_id = 32,
1131     vger_id,
1132     lx_id,
1133     ss4_id,
1134     scls_id,
1135     sbook_id,
1136     ss10_id = 64,
1137     ss20_id,
1138     ss600mp_id,
1139 };
1140 
1141 static const struct sun4m_hwdef sun4m_hwdefs[] = {
1142     /* SS-5 */
1143     {
1144         .iommu_base   = 0x10000000,
1145         .iommu_pad_base = 0x10004000,
1146         .iommu_pad_len  = 0x0fffb000,
1147         .tcx_base     = 0x50000000,
1148         .cs_base      = 0x6c000000,
1149         .slavio_base  = 0x70000000,
1150         .ms_kb_base   = 0x71000000,
1151         .serial_base  = 0x71100000,
1152         .nvram_base   = 0x71200000,
1153         .fd_base      = 0x71400000,
1154         .counter_base = 0x71d00000,
1155         .intctl_base  = 0x71e00000,
1156         .idreg_base   = 0x78000000,
1157         .dma_base     = 0x78400000,
1158         .esp_base     = 0x78800000,
1159         .le_base      = 0x78c00000,
1160         .apc_base     = 0x6a000000,
1161         .afx_base     = 0x6e000000,
1162         .aux1_base    = 0x71900000,
1163         .aux2_base    = 0x71910000,
1164         .nvram_machine_id = 0x80,
1165         .machine_id = ss5_id,
1166         .iommu_version = 0x05000000,
1167         .max_mem = 0x10000000,
1168     },
1169     /* SS-10 */
1170     {
1171         .iommu_base   = 0xfe0000000ULL,
1172         .tcx_base     = 0xe20000000ULL,
1173         .slavio_base  = 0xff0000000ULL,
1174         .ms_kb_base   = 0xff1000000ULL,
1175         .serial_base  = 0xff1100000ULL,
1176         .nvram_base   = 0xff1200000ULL,
1177         .fd_base      = 0xff1700000ULL,
1178         .counter_base = 0xff1300000ULL,
1179         .intctl_base  = 0xff1400000ULL,
1180         .idreg_base   = 0xef0000000ULL,
1181         .dma_base     = 0xef0400000ULL,
1182         .esp_base     = 0xef0800000ULL,
1183         .le_base      = 0xef0c00000ULL,
1184         .apc_base     = 0xefa000000ULL, // XXX should not exist
1185         .aux1_base    = 0xff1800000ULL,
1186         .aux2_base    = 0xff1a01000ULL,
1187         .ecc_base     = 0xf00000000ULL,
1188         .ecc_version  = 0x10000000, // version 0, implementation 1
1189         .nvram_machine_id = 0x72,
1190         .machine_id = ss10_id,
1191         .iommu_version = 0x03000000,
1192         .max_mem = 0xf00000000ULL,
1193     },
1194     /* SS-600MP */
1195     {
1196         .iommu_base   = 0xfe0000000ULL,
1197         .tcx_base     = 0xe20000000ULL,
1198         .slavio_base  = 0xff0000000ULL,
1199         .ms_kb_base   = 0xff1000000ULL,
1200         .serial_base  = 0xff1100000ULL,
1201         .nvram_base   = 0xff1200000ULL,
1202         .counter_base = 0xff1300000ULL,
1203         .intctl_base  = 0xff1400000ULL,
1204         .dma_base     = 0xef0081000ULL,
1205         .esp_base     = 0xef0080000ULL,
1206         .le_base      = 0xef0060000ULL,
1207         .apc_base     = 0xefa000000ULL, // XXX should not exist
1208         .aux1_base    = 0xff1800000ULL,
1209         .aux2_base    = 0xff1a01000ULL, // XXX should not exist
1210         .ecc_base     = 0xf00000000ULL,
1211         .ecc_version  = 0x00000000, // version 0, implementation 0
1212         .nvram_machine_id = 0x71,
1213         .machine_id = ss600mp_id,
1214         .iommu_version = 0x01000000,
1215         .max_mem = 0xf00000000ULL,
1216     },
1217     /* SS-20 */
1218     {
1219         .iommu_base   = 0xfe0000000ULL,
1220         .tcx_base     = 0xe20000000ULL,
1221         .slavio_base  = 0xff0000000ULL,
1222         .ms_kb_base   = 0xff1000000ULL,
1223         .serial_base  = 0xff1100000ULL,
1224         .nvram_base   = 0xff1200000ULL,
1225         .fd_base      = 0xff1700000ULL,
1226         .counter_base = 0xff1300000ULL,
1227         .intctl_base  = 0xff1400000ULL,
1228         .idreg_base   = 0xef0000000ULL,
1229         .dma_base     = 0xef0400000ULL,
1230         .esp_base     = 0xef0800000ULL,
1231         .le_base      = 0xef0c00000ULL,
1232         .bpp_base     = 0xef4800000ULL,
1233         .apc_base     = 0xefa000000ULL, // XXX should not exist
1234         .aux1_base    = 0xff1800000ULL,
1235         .aux2_base    = 0xff1a01000ULL,
1236         .dbri_base    = 0xee0000000ULL,
1237         .sx_base      = 0xf80000000ULL,
1238         .vsimm        = {
1239             {
1240                 .reg_base  = 0x9c000000ULL,
1241                 .vram_base = 0xfc000000ULL
1242             }, {
1243                 .reg_base  = 0x90000000ULL,
1244                 .vram_base = 0xf0000000ULL
1245             }, {
1246                 .reg_base  = 0x94000000ULL
1247             }, {
1248                 .reg_base  = 0x98000000ULL
1249             }
1250         },
1251         .ecc_base     = 0xf00000000ULL,
1252         .ecc_version  = 0x20000000, // version 0, implementation 2
1253         .nvram_machine_id = 0x72,
1254         .machine_id = ss20_id,
1255         .iommu_version = 0x13000000,
1256         .max_mem = 0xf00000000ULL,
1257     },
1258     /* Voyager */
1259     {
1260         .iommu_base   = 0x10000000,
1261         .tcx_base     = 0x50000000,
1262         .slavio_base  = 0x70000000,
1263         .ms_kb_base   = 0x71000000,
1264         .serial_base  = 0x71100000,
1265         .nvram_base   = 0x71200000,
1266         .fd_base      = 0x71400000,
1267         .counter_base = 0x71d00000,
1268         .intctl_base  = 0x71e00000,
1269         .idreg_base   = 0x78000000,
1270         .dma_base     = 0x78400000,
1271         .esp_base     = 0x78800000,
1272         .le_base      = 0x78c00000,
1273         .apc_base     = 0x71300000, // pmc
1274         .aux1_base    = 0x71900000,
1275         .aux2_base    = 0x71910000,
1276         .nvram_machine_id = 0x80,
1277         .machine_id = vger_id,
1278         .iommu_version = 0x05000000,
1279         .max_mem = 0x10000000,
1280     },
1281     /* LX */
1282     {
1283         .iommu_base   = 0x10000000,
1284         .iommu_pad_base = 0x10004000,
1285         .iommu_pad_len  = 0x0fffb000,
1286         .tcx_base     = 0x50000000,
1287         .slavio_base  = 0x70000000,
1288         .ms_kb_base   = 0x71000000,
1289         .serial_base  = 0x71100000,
1290         .nvram_base   = 0x71200000,
1291         .fd_base      = 0x71400000,
1292         .counter_base = 0x71d00000,
1293         .intctl_base  = 0x71e00000,
1294         .idreg_base   = 0x78000000,
1295         .dma_base     = 0x78400000,
1296         .esp_base     = 0x78800000,
1297         .le_base      = 0x78c00000,
1298         .aux1_base    = 0x71900000,
1299         .aux2_base    = 0x71910000,
1300         .nvram_machine_id = 0x80,
1301         .machine_id = lx_id,
1302         .iommu_version = 0x04000000,
1303         .max_mem = 0x10000000,
1304     },
1305     /* SS-4 */
1306     {
1307         .iommu_base   = 0x10000000,
1308         .tcx_base     = 0x50000000,
1309         .cs_base      = 0x6c000000,
1310         .slavio_base  = 0x70000000,
1311         .ms_kb_base   = 0x71000000,
1312         .serial_base  = 0x71100000,
1313         .nvram_base   = 0x71200000,
1314         .fd_base      = 0x71400000,
1315         .counter_base = 0x71d00000,
1316         .intctl_base  = 0x71e00000,
1317         .idreg_base   = 0x78000000,
1318         .dma_base     = 0x78400000,
1319         .esp_base     = 0x78800000,
1320         .le_base      = 0x78c00000,
1321         .apc_base     = 0x6a000000,
1322         .aux1_base    = 0x71900000,
1323         .aux2_base    = 0x71910000,
1324         .nvram_machine_id = 0x80,
1325         .machine_id = ss4_id,
1326         .iommu_version = 0x05000000,
1327         .max_mem = 0x10000000,
1328     },
1329     /* SPARCClassic */
1330     {
1331         .iommu_base   = 0x10000000,
1332         .tcx_base     = 0x50000000,
1333         .slavio_base  = 0x70000000,
1334         .ms_kb_base   = 0x71000000,
1335         .serial_base  = 0x71100000,
1336         .nvram_base   = 0x71200000,
1337         .fd_base      = 0x71400000,
1338         .counter_base = 0x71d00000,
1339         .intctl_base  = 0x71e00000,
1340         .idreg_base   = 0x78000000,
1341         .dma_base     = 0x78400000,
1342         .esp_base     = 0x78800000,
1343         .le_base      = 0x78c00000,
1344         .apc_base     = 0x6a000000,
1345         .aux1_base    = 0x71900000,
1346         .aux2_base    = 0x71910000,
1347         .nvram_machine_id = 0x80,
1348         .machine_id = scls_id,
1349         .iommu_version = 0x05000000,
1350         .max_mem = 0x10000000,
1351     },
1352     /* SPARCbook */
1353     {
1354         .iommu_base   = 0x10000000,
1355         .tcx_base     = 0x50000000, // XXX
1356         .slavio_base  = 0x70000000,
1357         .ms_kb_base   = 0x71000000,
1358         .serial_base  = 0x71100000,
1359         .nvram_base   = 0x71200000,
1360         .fd_base      = 0x71400000,
1361         .counter_base = 0x71d00000,
1362         .intctl_base  = 0x71e00000,
1363         .idreg_base   = 0x78000000,
1364         .dma_base     = 0x78400000,
1365         .esp_base     = 0x78800000,
1366         .le_base      = 0x78c00000,
1367         .apc_base     = 0x6a000000,
1368         .aux1_base    = 0x71900000,
1369         .aux2_base    = 0x71910000,
1370         .nvram_machine_id = 0x80,
1371         .machine_id = sbook_id,
1372         .iommu_version = 0x05000000,
1373         .max_mem = 0x10000000,
1374     },
1375 };
1376 
1377 /* SPARCstation 5 hardware initialisation */
1378 static void ss5_init(MachineState *machine)
1379 {
1380     sun4m_hw_init(machine);
1381 }
1382 
1383 /* SPARCstation 10 hardware initialisation */
1384 static void ss10_init(MachineState *machine)
1385 {
1386     sun4m_hw_init(machine);
1387 }
1388 
1389 /* SPARCserver 600MP hardware initialisation */
1390 static void ss600mp_init(MachineState *machine)
1391 {
1392     sun4m_hw_init(machine);
1393 }
1394 
1395 /* SPARCstation 20 hardware initialisation */
1396 static void ss20_init(MachineState *machine)
1397 {
1398     sun4m_hw_init(machine);
1399 }
1400 
1401 /* SPARCstation Voyager hardware initialisation */
1402 static void vger_init(MachineState *machine)
1403 {
1404     sun4m_hw_init(machine);
1405 }
1406 
1407 /* SPARCstation LX hardware initialisation */
1408 static void ss_lx_init(MachineState *machine)
1409 {
1410     sun4m_hw_init(machine);
1411 }
1412 
1413 /* SPARCstation 4 hardware initialisation */
1414 static void ss4_init(MachineState *machine)
1415 {
1416     sun4m_hw_init(machine);
1417 }
1418 
1419 /* SPARCClassic hardware initialisation */
1420 static void scls_init(MachineState *machine)
1421 {
1422     sun4m_hw_init(machine);
1423 }
1424 
1425 /* SPARCbook hardware initialisation */
1426 static void sbook_init(MachineState *machine)
1427 {
1428     sun4m_hw_init(machine);
1429 }
1430 
1431 static void ss5_class_init(ObjectClass *oc, void *data)
1432 {
1433     MachineClass *mc = MACHINE_CLASS(oc);
1434     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1435 
1436     mc->desc = "Sun4m platform, SPARCstation 5";
1437     mc->init = ss5_init;
1438     mc->block_default_type = IF_SCSI;
1439     mc->is_default = true;
1440     mc->default_boot_order = "c";
1441     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Fujitsu-MB86904");
1442     mc->default_display = "tcx";
1443     mc->default_ram_id = "sun4m.ram";
1444     smc->hwdef = &sun4m_hwdefs[0];
1445 }
1446 
1447 static const TypeInfo ss5_type = {
1448     .name = MACHINE_TYPE_NAME("SS-5"),
1449     .parent = TYPE_SUN4M_MACHINE,
1450     .class_init = ss5_class_init,
1451 };
1452 
1453 static void ss10_class_init(ObjectClass *oc, void *data)
1454 {
1455     MachineClass *mc = MACHINE_CLASS(oc);
1456     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1457 
1458     mc->desc = "Sun4m platform, SPARCstation 10";
1459     mc->init = ss10_init;
1460     mc->block_default_type = IF_SCSI;
1461     mc->max_cpus = 4;
1462     mc->default_boot_order = "c";
1463     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-SuperSparc-II");
1464     mc->default_display = "tcx";
1465     mc->default_ram_id = "sun4m.ram";
1466     smc->hwdef = &sun4m_hwdefs[1];
1467 }
1468 
1469 static const TypeInfo ss10_type = {
1470     .name = MACHINE_TYPE_NAME("SS-10"),
1471     .parent = TYPE_SUN4M_MACHINE,
1472     .class_init = ss10_class_init,
1473 };
1474 
1475 static void ss600mp_class_init(ObjectClass *oc, void *data)
1476 {
1477     MachineClass *mc = MACHINE_CLASS(oc);
1478     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1479 
1480     mc->desc = "Sun4m platform, SPARCserver 600MP";
1481     mc->init = ss600mp_init;
1482     mc->block_default_type = IF_SCSI;
1483     mc->max_cpus = 4;
1484     mc->default_boot_order = "c";
1485     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-SuperSparc-II");
1486     mc->default_display = "tcx";
1487     mc->default_ram_id = "sun4m.ram";
1488     smc->hwdef = &sun4m_hwdefs[2];
1489 }
1490 
1491 static const TypeInfo ss600mp_type = {
1492     .name = MACHINE_TYPE_NAME("SS-600MP"),
1493     .parent = TYPE_SUN4M_MACHINE,
1494     .class_init = ss600mp_class_init,
1495 };
1496 
1497 static void ss20_class_init(ObjectClass *oc, void *data)
1498 {
1499     MachineClass *mc = MACHINE_CLASS(oc);
1500     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1501 
1502     mc->desc = "Sun4m platform, SPARCstation 20";
1503     mc->init = ss20_init;
1504     mc->block_default_type = IF_SCSI;
1505     mc->max_cpus = 4;
1506     mc->default_boot_order = "c";
1507     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-SuperSparc-II");
1508     mc->default_display = "tcx";
1509     mc->default_ram_id = "sun4m.ram";
1510     smc->hwdef = &sun4m_hwdefs[3];
1511 }
1512 
1513 static const TypeInfo ss20_type = {
1514     .name = MACHINE_TYPE_NAME("SS-20"),
1515     .parent = TYPE_SUN4M_MACHINE,
1516     .class_init = ss20_class_init,
1517 };
1518 
1519 static void voyager_class_init(ObjectClass *oc, void *data)
1520 {
1521     MachineClass *mc = MACHINE_CLASS(oc);
1522     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1523 
1524     mc->desc = "Sun4m platform, SPARCstation Voyager";
1525     mc->init = vger_init;
1526     mc->block_default_type = IF_SCSI;
1527     mc->default_boot_order = "c";
1528     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Fujitsu-MB86904");
1529     mc->default_display = "tcx";
1530     mc->default_ram_id = "sun4m.ram";
1531     smc->hwdef = &sun4m_hwdefs[4];
1532 }
1533 
1534 static const TypeInfo voyager_type = {
1535     .name = MACHINE_TYPE_NAME("Voyager"),
1536     .parent = TYPE_SUN4M_MACHINE,
1537     .class_init = voyager_class_init,
1538 };
1539 
1540 static void ss_lx_class_init(ObjectClass *oc, void *data)
1541 {
1542     MachineClass *mc = MACHINE_CLASS(oc);
1543     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1544 
1545     mc->desc = "Sun4m platform, SPARCstation LX";
1546     mc->init = ss_lx_init;
1547     mc->block_default_type = IF_SCSI;
1548     mc->default_boot_order = "c";
1549     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-MicroSparc-I");
1550     mc->default_display = "tcx";
1551     mc->default_ram_id = "sun4m.ram";
1552     smc->hwdef = &sun4m_hwdefs[5];
1553 }
1554 
1555 static const TypeInfo ss_lx_type = {
1556     .name = MACHINE_TYPE_NAME("LX"),
1557     .parent = TYPE_SUN4M_MACHINE,
1558     .class_init = ss_lx_class_init,
1559 };
1560 
1561 static void ss4_class_init(ObjectClass *oc, void *data)
1562 {
1563     MachineClass *mc = MACHINE_CLASS(oc);
1564     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1565 
1566     mc->desc = "Sun4m platform, SPARCstation 4";
1567     mc->init = ss4_init;
1568     mc->block_default_type = IF_SCSI;
1569     mc->default_boot_order = "c";
1570     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Fujitsu-MB86904");
1571     mc->default_display = "tcx";
1572     mc->default_ram_id = "sun4m.ram";
1573     smc->hwdef = &sun4m_hwdefs[6];
1574 }
1575 
1576 static const TypeInfo ss4_type = {
1577     .name = MACHINE_TYPE_NAME("SS-4"),
1578     .parent = TYPE_SUN4M_MACHINE,
1579     .class_init = ss4_class_init,
1580 };
1581 
1582 static void scls_class_init(ObjectClass *oc, void *data)
1583 {
1584     MachineClass *mc = MACHINE_CLASS(oc);
1585     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1586 
1587     mc->desc = "Sun4m platform, SPARCClassic";
1588     mc->init = scls_init;
1589     mc->block_default_type = IF_SCSI;
1590     mc->default_boot_order = "c";
1591     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-MicroSparc-I");
1592     mc->default_display = "tcx";
1593     mc->default_ram_id = "sun4m.ram";
1594     smc->hwdef = &sun4m_hwdefs[7];
1595 }
1596 
1597 static const TypeInfo scls_type = {
1598     .name = MACHINE_TYPE_NAME("SPARCClassic"),
1599     .parent = TYPE_SUN4M_MACHINE,
1600     .class_init = scls_class_init,
1601 };
1602 
1603 static void sbook_class_init(ObjectClass *oc, void *data)
1604 {
1605     MachineClass *mc = MACHINE_CLASS(oc);
1606     Sun4mMachineClass *smc = SUN4M_MACHINE_CLASS(mc);
1607 
1608     mc->desc = "Sun4m platform, SPARCbook";
1609     mc->init = sbook_init;
1610     mc->block_default_type = IF_SCSI;
1611     mc->default_boot_order = "c";
1612     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-MicroSparc-I");
1613     mc->default_display = "tcx";
1614     mc->default_ram_id = "sun4m.ram";
1615     smc->hwdef = &sun4m_hwdefs[8];
1616 }
1617 
1618 static const TypeInfo sbook_type = {
1619     .name = MACHINE_TYPE_NAME("SPARCbook"),
1620     .parent = TYPE_SUN4M_MACHINE,
1621     .class_init = sbook_class_init,
1622 };
1623 
1624 static const TypeInfo sun4m_machine_types[] = {
1625     {
1626         .name           = TYPE_SUN4M_MACHINE,
1627         .parent         = TYPE_MACHINE,
1628         .class_size     = sizeof(Sun4mMachineClass),
1629         .abstract       = true,
1630     }
1631 };
1632 
1633 DEFINE_TYPES(sun4m_machine_types)
1634 
1635 static void sun4m_register_types(void)
1636 {
1637     type_register_static(&idreg_info);
1638     type_register_static(&afx_info);
1639     type_register_static(&prom_info);
1640     type_register_static(&ram_info);
1641 
1642     type_register_static(&ss5_type);
1643     type_register_static(&ss10_type);
1644     type_register_static(&ss600mp_type);
1645     type_register_static(&ss20_type);
1646     type_register_static(&voyager_type);
1647     type_register_static(&ss_lx_type);
1648     type_register_static(&ss4_type);
1649     type_register_static(&scls_type);
1650     type_register_static(&sbook_type);
1651 }
1652 
1653 type_init(sun4m_register_types)
1654