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sparc64: interrupt trap handling
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1 /*
2 * QEMU Sun4u/Sun4v System Emulator
3 *
4 * Copyright (c) 2005 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "hw.h"
25 #include "pci.h"
26 #include "apb_pci.h"
27 #include "pc.h"
28 #include "nvram.h"
29 #include "fdc.h"
30 #include "net.h"
31 #include "qemu-timer.h"
32 #include "sysemu.h"
33 #include "boards.h"
34 #include "firmware_abi.h"
35 #include "fw_cfg.h"
36 #include "sysbus.h"
37 #include "ide.h"
38 #include "loader.h"
39 #include "elf.h"
40
41 //#define DEBUG_IRQ
42 //#define DEBUG_EBUS
43
44 #ifdef DEBUG_IRQ
45 #define CPUIRQ_DPRINTF(fmt, ...) \
46 do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0)
47 #else
48 #define CPUIRQ_DPRINTF(fmt, ...)
49 #endif
50
51 #ifdef DEBUG_EBUS
52 #define EBUS_DPRINTF(fmt, ...) \
53 do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
54 #else
55 #define EBUS_DPRINTF(fmt, ...)
56 #endif
57
58 #define KERNEL_LOAD_ADDR 0x00404000
59 #define CMDLINE_ADDR 0x003ff000
60 #define INITRD_LOAD_ADDR 0x00300000
61 #define PROM_SIZE_MAX (4 * 1024 * 1024)
62 #define PROM_VADDR 0x000ffd00000ULL
63 #define APB_SPECIAL_BASE 0x1fe00000000ULL
64 #define APB_MEM_BASE 0x1ff00000000ULL
65 #define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
66 #define PROM_FILENAME "openbios-sparc64"
67 #define NVRAM_SIZE 0x2000
68 #define MAX_IDE_BUS 2
69 #define BIOS_CFG_IOPORT 0x510
70 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
71 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
72 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
73
74 #define MAX_PILS 16
75
76 #define TICK_MAX 0x7fffffffffffffffULL
77
78 struct hwdef {
79 const char * const default_cpu_model;
80 uint16_t machine_id;
81 uint64_t prom_addr;
82 uint64_t console_serial_base;
83 };
84
85 int DMA_get_channel_mode (int nchan)
86 {
87 return 0;
88 }
89 int DMA_read_memory (int nchan, void *buf, int pos, int size)
90 {
91 return 0;
92 }
93 int DMA_write_memory (int nchan, void *buf, int pos, int size)
94 {
95 return 0;
96 }
97 void DMA_hold_DREQ (int nchan) {}
98 void DMA_release_DREQ (int nchan) {}
99 void DMA_schedule(int nchan) {}
100 void DMA_init (int high_page_enable) {}
101 void DMA_register_channel (int nchan,
102 DMA_transfer_handler transfer_handler,
103 void *opaque)
104 {
105 }
106
107 static int fw_cfg_boot_set(void *opaque, const char *boot_device)
108 {
109 fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
110 return 0;
111 }
112
113 static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
114 const char *arch,
115 ram_addr_t RAM_size,
116 const char *boot_devices,
117 uint32_t kernel_image, uint32_t kernel_size,
118 const char *cmdline,
119 uint32_t initrd_image, uint32_t initrd_size,
120 uint32_t NVRAM_image,
121 int width, int height, int depth,
122 const uint8_t *macaddr)
123 {
124 unsigned int i;
125 uint32_t start, end;
126 uint8_t image[0x1ff0];
127 struct OpenBIOS_nvpart_v1 *part_header;
128
129 memset(image, '\0', sizeof(image));
130
131 start = 0;
132
133 // OpenBIOS nvram variables
134 // Variable partition
135 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
136 part_header->signature = OPENBIOS_PART_SYSTEM;
137 pstrcpy(part_header->name, sizeof(part_header->name), "system");
138
139 end = start + sizeof(struct OpenBIOS_nvpart_v1);
140 for (i = 0; i < nb_prom_envs; i++)
141 end = OpenBIOS_set_var(image, end, prom_envs[i]);
142
143 // End marker
144 image[end++] = '\0';
145
146 end = start + ((end - start + 15) & ~15);
147 OpenBIOS_finish_partition(part_header, end - start);
148
149 // free partition
150 start = end;
151 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
152 part_header->signature = OPENBIOS_PART_FREE;
153 pstrcpy(part_header->name, sizeof(part_header->name), "free");
154
155 end = 0x1fd0;
156 OpenBIOS_finish_partition(part_header, end - start);
157
158 Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
159
160 for (i = 0; i < sizeof(image); i++)
161 m48t59_write(nvram, i, image[i]);
162
163 return 0;
164 }
165 static unsigned long sun4u_load_kernel(const char *kernel_filename,
166 const char *initrd_filename,
167 ram_addr_t RAM_size, long *initrd_size)
168 {
169 int linux_boot;
170 unsigned int i;
171 long kernel_size;
172
173 linux_boot = (kernel_filename != NULL);
174
175 kernel_size = 0;
176 if (linux_boot) {
177 int bswap_needed;
178
179 #ifdef BSWAP_NEEDED
180 bswap_needed = 1;
181 #else
182 bswap_needed = 0;
183 #endif
184 kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL,
185 1, ELF_MACHINE, 0);
186 if (kernel_size < 0)
187 kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
188 RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
189 TARGET_PAGE_SIZE);
190 if (kernel_size < 0)
191 kernel_size = load_image_targphys(kernel_filename,
192 KERNEL_LOAD_ADDR,
193 RAM_size - KERNEL_LOAD_ADDR);
194 if (kernel_size < 0) {
195 fprintf(stderr, "qemu: could not load kernel '%s'\n",
196 kernel_filename);
197 exit(1);
198 }
199
200 /* load initrd */
201 *initrd_size = 0;
202 if (initrd_filename) {
203 *initrd_size = load_image_targphys(initrd_filename,
204 INITRD_LOAD_ADDR,
205 RAM_size - INITRD_LOAD_ADDR);
206 if (*initrd_size < 0) {
207 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
208 initrd_filename);
209 exit(1);
210 }
211 }
212 if (*initrd_size > 0) {
213 for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
214 if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS
215 stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
216 stl_phys(KERNEL_LOAD_ADDR + i + 20, *initrd_size);
217 break;
218 }
219 }
220 }
221 }
222 return kernel_size;
223 }
224
225 void pic_info(Monitor *mon)
226 {
227 }
228
229 void irq_info(Monitor *mon)
230 {
231 }
232
233 void cpu_check_irqs(CPUState *env)
234 {
235 uint32_t pil = env->pil_in |
236 (env->softint & ~(SOFTINT_TIMER | SOFTINT_STIMER));
237
238 /* check if TM or SM in SOFTINT are set
239 setting these also causes interrupt 14 */
240 if (env->softint & (SOFTINT_TIMER | SOFTINT_STIMER)) {
241 pil |= 1 << 14;
242 }
243
244 if (!pil) {
245 if (env->interrupt_request & CPU_INTERRUPT_HARD) {
246 CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n",
247 env->interrupt_index);
248 env->interrupt_index = 0;
249 cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
250 }
251 return;
252 }
253
254 if (cpu_interrupts_enabled(env)) {
255
256 unsigned int i;
257
258 for (i = 15; i > env->psrpil; i--) {
259 if (pil & (1 << i)) {
260 int old_interrupt = env->interrupt_index;
261 int new_interrupt = TT_EXTINT | i;
262
263 if (env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt) {
264 CPUIRQ_DPRINTF("Not setting CPU IRQ: TL=%d "
265 "current %x >= pending %x\n",
266 env->tl, cpu_tsptr(env)->tt, new_interrupt);
267 } else if (old_interrupt != new_interrupt) {
268 env->interrupt_index = new_interrupt;
269 CPUIRQ_DPRINTF("Set CPU IRQ %d old=%x new=%x\n", i,
270 old_interrupt, new_interrupt);
271 cpu_interrupt(env, CPU_INTERRUPT_HARD);
272 }
273 break;
274 }
275 }
276 } else {
277 CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x "
278 "current interrupt %x\n",
279 pil, env->pil_in, env->softint, env->interrupt_index);
280 }
281 }
282
283 static void cpu_set_irq(void *opaque, int irq, int level)
284 {
285 CPUState *env = opaque;
286
287 if (level) {
288 CPUIRQ_DPRINTF("Raise CPU IRQ %d\n", irq);
289 env->halted = 0;
290 env->pil_in |= 1 << irq;
291 cpu_check_irqs(env);
292 } else {
293 CPUIRQ_DPRINTF("Lower CPU IRQ %d\n", irq);
294 env->pil_in &= ~(1 << irq);
295 cpu_check_irqs(env);
296 }
297 }
298
299 typedef struct ResetData {
300 CPUState *env;
301 uint64_t prom_addr;
302 } ResetData;
303
304 static void main_cpu_reset(void *opaque)
305 {
306 ResetData *s = (ResetData *)opaque;
307 CPUState *env = s->env;
308 static unsigned int nr_resets;
309
310 cpu_reset(env);
311 env->tick_cmpr = TICK_INT_DIS | 0;
312 ptimer_set_limit(env->tick, TICK_MAX, 1);
313 ptimer_run(env->tick, 1);
314 env->stick_cmpr = TICK_INT_DIS | 0;
315 ptimer_set_limit(env->stick, TICK_MAX, 1);
316 ptimer_run(env->stick, 1);
317 env->hstick_cmpr = TICK_INT_DIS | 0;
318 ptimer_set_limit(env->hstick, TICK_MAX, 1);
319 ptimer_run(env->hstick, 1);
320 env->gregs[1] = 0; // Memory start
321 env->gregs[2] = ram_size; // Memory size
322 env->gregs[3] = 0; // Machine description XXX
323 if (nr_resets++ == 0) {
324 /* Power on reset */
325 env->pc = s->prom_addr + 0x20ULL;
326 } else {
327 env->pc = s->prom_addr + 0x40ULL;
328 }
329 env->npc = env->pc + 4;
330 }
331
332 static void tick_irq(void *opaque)
333 {
334 CPUState *env = opaque;
335
336 if (!(env->tick_cmpr & TICK_INT_DIS)) {
337 env->softint |= SOFTINT_TIMER;
338 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
339 }
340 }
341
342 static void stick_irq(void *opaque)
343 {
344 CPUState *env = opaque;
345
346 if (!(env->stick_cmpr & TICK_INT_DIS)) {
347 env->softint |= SOFTINT_STIMER;
348 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
349 }
350 }
351
352 static void hstick_irq(void *opaque)
353 {
354 CPUState *env = opaque;
355
356 if (!(env->hstick_cmpr & TICK_INT_DIS)) {
357 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
358 }
359 }
360
361 void cpu_tick_set_count(void *opaque, uint64_t count)
362 {
363 ptimer_set_count(opaque, -count);
364 }
365
366 uint64_t cpu_tick_get_count(void *opaque)
367 {
368 return -ptimer_get_count(opaque);
369 }
370
371 void cpu_tick_set_limit(void *opaque, uint64_t limit)
372 {
373 ptimer_set_limit(opaque, -limit, 0);
374 }
375
376 static void ebus_mmio_mapfunc(PCIDevice *pci_dev, int region_num,
377 pcibus_t addr, pcibus_t size, int type)
378 {
379 EBUS_DPRINTF("Mapping region %d registers at %" FMT_PCIBUS "\n",
380 region_num, addr);
381 switch (region_num) {
382 case 0:
383 isa_mmio_init(addr, 0x1000000);
384 break;
385 case 1:
386 isa_mmio_init(addr, 0x800000);
387 break;
388 }
389 }
390
391 static void dummy_isa_irq_handler(void *opaque, int n, int level)
392 {
393 }
394
395 /* EBUS (Eight bit bus) bridge */
396 static void
397 pci_ebus_init(PCIBus *bus, int devfn)
398 {
399 qemu_irq *isa_irq;
400
401 pci_create_simple(bus, devfn, "ebus");
402 isa_irq = qemu_allocate_irqs(dummy_isa_irq_handler, NULL, 16);
403 isa_bus_irqs(isa_irq);
404 }
405
406 static int
407 pci_ebus_init1(PCIDevice *s)
408 {
409 isa_bus_new(&s->qdev);
410
411 pci_config_set_vendor_id(s->config, PCI_VENDOR_ID_SUN);
412 pci_config_set_device_id(s->config, PCI_DEVICE_ID_SUN_EBUS);
413 s->config[0x04] = 0x06; // command = bus master, pci mem
414 s->config[0x05] = 0x00;
415 s->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
416 s->config[0x07] = 0x03; // status = medium devsel
417 s->config[0x08] = 0x01; // revision
418 s->config[0x09] = 0x00; // programming i/f
419 pci_config_set_class(s->config, PCI_CLASS_BRIDGE_OTHER);
420 s->config[0x0D] = 0x0a; // latency_timer
421 s->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
422
423 pci_register_bar(s, 0, 0x1000000, PCI_BASE_ADDRESS_SPACE_MEMORY,
424 ebus_mmio_mapfunc);
425 pci_register_bar(s, 1, 0x800000, PCI_BASE_ADDRESS_SPACE_MEMORY,
426 ebus_mmio_mapfunc);
427 return 0;
428 }
429
430 static PCIDeviceInfo ebus_info = {
431 .qdev.name = "ebus",
432 .qdev.size = sizeof(PCIDevice),
433 .init = pci_ebus_init1,
434 };
435
436 static void pci_ebus_register(void)
437 {
438 pci_qdev_register(&ebus_info);
439 }
440
441 device_init(pci_ebus_register);
442
443 /* Boot PROM (OpenBIOS) */
444 static void prom_init(target_phys_addr_t addr, const char *bios_name)
445 {
446 DeviceState *dev;
447 SysBusDevice *s;
448 char *filename;
449 int ret;
450
451 dev = qdev_create(NULL, "openprom");
452 qdev_init_nofail(dev);
453 s = sysbus_from_qdev(dev);
454
455 sysbus_mmio_map(s, 0, addr);
456
457 /* load boot prom */
458 if (bios_name == NULL) {
459 bios_name = PROM_FILENAME;
460 }
461 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
462 if (filename) {
463 ret = load_elf(filename, addr - PROM_VADDR, NULL, NULL, NULL,
464 1, ELF_MACHINE, 0);
465 if (ret < 0 || ret > PROM_SIZE_MAX) {
466 ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
467 }
468 qemu_free(filename);
469 } else {
470 ret = -1;
471 }
472 if (ret < 0 || ret > PROM_SIZE_MAX) {
473 fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
474 exit(1);
475 }
476 }
477
478 static int prom_init1(SysBusDevice *dev)
479 {
480 ram_addr_t prom_offset;
481
482 prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
483 sysbus_init_mmio(dev, PROM_SIZE_MAX, prom_offset | IO_MEM_ROM);
484 return 0;
485 }
486
487 static SysBusDeviceInfo prom_info = {
488 .init = prom_init1,
489 .qdev.name = "openprom",
490 .qdev.size = sizeof(SysBusDevice),
491 .qdev.props = (Property[]) {
492 {/* end of property list */}
493 }
494 };
495
496 static void prom_register_devices(void)
497 {
498 sysbus_register_withprop(&prom_info);
499 }
500
501 device_init(prom_register_devices);
502
503
504 typedef struct RamDevice
505 {
506 SysBusDevice busdev;
507 uint64_t size;
508 } RamDevice;
509
510 /* System RAM */
511 static int ram_init1(SysBusDevice *dev)
512 {
513 ram_addr_t RAM_size, ram_offset;
514 RamDevice *d = FROM_SYSBUS(RamDevice, dev);
515
516 RAM_size = d->size;
517
518 ram_offset = qemu_ram_alloc(RAM_size);
519 sysbus_init_mmio(dev, RAM_size, ram_offset);
520 return 0;
521 }
522
523 static void ram_init(target_phys_addr_t addr, ram_addr_t RAM_size)
524 {
525 DeviceState *dev;
526 SysBusDevice *s;
527 RamDevice *d;
528
529 /* allocate RAM */
530 dev = qdev_create(NULL, "memory");
531 s = sysbus_from_qdev(dev);
532
533 d = FROM_SYSBUS(RamDevice, s);
534 d->size = RAM_size;
535 qdev_init_nofail(dev);
536
537 sysbus_mmio_map(s, 0, addr);
538 }
539
540 static SysBusDeviceInfo ram_info = {
541 .init = ram_init1,
542 .qdev.name = "memory",
543 .qdev.size = sizeof(RamDevice),
544 .qdev.props = (Property[]) {
545 DEFINE_PROP_UINT64("size", RamDevice, size, 0),
546 DEFINE_PROP_END_OF_LIST(),
547 }
548 };
549
550 static void ram_register_devices(void)
551 {
552 sysbus_register_withprop(&ram_info);
553 }
554
555 device_init(ram_register_devices);
556
557 static CPUState *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef)
558 {
559 CPUState *env;
560 QEMUBH *bh;
561 ResetData *reset_info;
562
563 if (!cpu_model)
564 cpu_model = hwdef->default_cpu_model;
565 env = cpu_init(cpu_model);
566 if (!env) {
567 fprintf(stderr, "Unable to find Sparc CPU definition\n");
568 exit(1);
569 }
570 bh = qemu_bh_new(tick_irq, env);
571 env->tick = ptimer_init(bh);
572 ptimer_set_period(env->tick, 1ULL);
573
574 bh = qemu_bh_new(stick_irq, env);
575 env->stick = ptimer_init(bh);
576 ptimer_set_period(env->stick, 1ULL);
577
578 bh = qemu_bh_new(hstick_irq, env);
579 env->hstick = ptimer_init(bh);
580 ptimer_set_period(env->hstick, 1ULL);
581
582 reset_info = qemu_mallocz(sizeof(ResetData));
583 reset_info->env = env;
584 reset_info->prom_addr = hwdef->prom_addr;
585 qemu_register_reset(main_cpu_reset, reset_info);
586
587 return env;
588 }
589
590 static void sun4uv_init(ram_addr_t RAM_size,
591 const char *boot_devices,
592 const char *kernel_filename, const char *kernel_cmdline,
593 const char *initrd_filename, const char *cpu_model,
594 const struct hwdef *hwdef)
595 {
596 CPUState *env;
597 m48t59_t *nvram;
598 unsigned int i;
599 long initrd_size, kernel_size;
600 PCIBus *pci_bus, *pci_bus2, *pci_bus3;
601 qemu_irq *irq;
602 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
603 DriveInfo *fd[MAX_FD];
604 void *fw_cfg;
605
606 /* init CPUs */
607 env = cpu_devinit(cpu_model, hwdef);
608
609 /* set up devices */
610 ram_init(0, RAM_size);
611
612 prom_init(hwdef->prom_addr, bios_name);
613
614
615 irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
616 pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, irq, &pci_bus2,
617 &pci_bus3);
618 isa_mem_base = VGA_BASE;
619 pci_vga_init(pci_bus, 0, 0);
620
621 // XXX Should be pci_bus3
622 pci_ebus_init(pci_bus, -1);
623
624 i = 0;
625 if (hwdef->console_serial_base) {
626 serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
627 serial_hds[i], 1);
628 i++;
629 }
630 for(; i < MAX_SERIAL_PORTS; i++) {
631 if (serial_hds[i]) {
632 serial_isa_init(i, serial_hds[i]);
633 }
634 }
635
636 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
637 if (parallel_hds[i]) {
638 parallel_init(i, parallel_hds[i]);
639 }
640 }
641
642 for(i = 0; i < nb_nics; i++)
643 pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
644
645 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
646 fprintf(stderr, "qemu: too many IDE bus\n");
647 exit(1);
648 }
649 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
650 hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS,
651 i % MAX_IDE_DEVS);
652 }
653
654 pci_cmd646_ide_init(pci_bus, hd, 1);
655
656 isa_create_simple("i8042");
657 for(i = 0; i < MAX_FD; i++) {
658 fd[i] = drive_get(IF_FLOPPY, 0, i);
659 }
660 fdctrl_init_isa(fd);
661 nvram = m48t59_init_isa(0x0074, NVRAM_SIZE, 59);
662
663 initrd_size = 0;
664 kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename,
665 ram_size, &initrd_size);
666
667 sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
668 KERNEL_LOAD_ADDR, kernel_size,
669 kernel_cmdline,
670 INITRD_LOAD_ADDR, initrd_size,
671 /* XXX: need an option to load a NVRAM image */
672 0,
673 graphic_width, graphic_height, graphic_depth,
674 (uint8_t *)&nd_table[0].macaddr);
675
676 fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
677 fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
678 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
679 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
680 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
681 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
682 if (kernel_cmdline) {
683 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
684 pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
685 fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA,
686 (uint8_t*)strdup(kernel_cmdline),
687 strlen(kernel_cmdline) + 1);
688 } else {
689 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
690 }
691 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
692 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
693 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[0]);
694
695 fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
696 fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
697 fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
698
699 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
700 }
701
702 enum {
703 sun4u_id = 0,
704 sun4v_id = 64,
705 niagara_id,
706 };
707
708 static const struct hwdef hwdefs[] = {
709 /* Sun4u generic PC-like machine */
710 {
711 .default_cpu_model = "TI UltraSparc II",
712 .machine_id = sun4u_id,
713 .prom_addr = 0x1fff0000000ULL,
714 .console_serial_base = 0,
715 },
716 /* Sun4v generic PC-like machine */
717 {
718 .default_cpu_model = "Sun UltraSparc T1",
719 .machine_id = sun4v_id,
720 .prom_addr = 0x1fff0000000ULL,
721 .console_serial_base = 0,
722 },
723 /* Sun4v generic Niagara machine */
724 {
725 .default_cpu_model = "Sun UltraSparc T1",
726 .machine_id = niagara_id,
727 .prom_addr = 0xfff0000000ULL,
728 .console_serial_base = 0xfff0c2c000ULL,
729 },
730 };
731
732 /* Sun4u hardware initialisation */
733 static void sun4u_init(ram_addr_t RAM_size,
734 const char *boot_devices,
735 const char *kernel_filename, const char *kernel_cmdline,
736 const char *initrd_filename, const char *cpu_model)
737 {
738 sun4uv_init(RAM_size, boot_devices, kernel_filename,
739 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
740 }
741
742 /* Sun4v hardware initialisation */
743 static void sun4v_init(ram_addr_t RAM_size,
744 const char *boot_devices,
745 const char *kernel_filename, const char *kernel_cmdline,
746 const char *initrd_filename, const char *cpu_model)
747 {
748 sun4uv_init(RAM_size, boot_devices, kernel_filename,
749 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
750 }
751
752 /* Niagara hardware initialisation */
753 static void niagara_init(ram_addr_t RAM_size,
754 const char *boot_devices,
755 const char *kernel_filename, const char *kernel_cmdline,
756 const char *initrd_filename, const char *cpu_model)
757 {
758 sun4uv_init(RAM_size, boot_devices, kernel_filename,
759 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
760 }
761
762 static QEMUMachine sun4u_machine = {
763 .name = "sun4u",
764 .desc = "Sun4u platform",
765 .init = sun4u_init,
766 .max_cpus = 1, // XXX for now
767 .is_default = 1,
768 };
769
770 static QEMUMachine sun4v_machine = {
771 .name = "sun4v",
772 .desc = "Sun4v platform",
773 .init = sun4v_init,
774 .max_cpus = 1, // XXX for now
775 };
776
777 static QEMUMachine niagara_machine = {
778 .name = "Niagara",
779 .desc = "Sun4v platform, Niagara",
780 .init = niagara_init,
781 .max_cpus = 1, // XXX for now
782 };
783
784 static void sun4u_machine_init(void)
785 {
786 qemu_register_machine(&sun4u_machine);
787 qemu_register_machine(&sun4v_machine);
788 qemu_register_machine(&niagara_machine);
789 }
790
791 machine_init(sun4u_machine_init);