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3475187d
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1/*
2 * QEMU Sun4u System Emulator
5fafdf24 3 *
3475187d 4 * Copyright (c) 2005 Fabrice Bellard
5fafdf24 5 *
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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 */
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24#include "hw.h"
25#include "pci.h"
26#include "pc.h"
27#include "nvram.h"
28#include "fdc.h"
29#include "net.h"
30#include "qemu-timer.h"
31#include "sysemu.h"
32#include "boards.h"
d2c63fc1 33#include "firmware_abi.h"
3475187d 34
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35#define KERNEL_LOAD_ADDR 0x00404000
36#define CMDLINE_ADDR 0x003ff000
37#define INITRD_LOAD_ADDR 0x00300000
ac2e9d66 38#define PROM_SIZE_MAX (4 * 1024 * 1024)
f930d07e
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39#define PROM_ADDR 0x1fff0000000ULL
40#define PROM_VADDR 0x000ffd00000ULL
83469015 41#define APB_SPECIAL_BASE 0x1fe00000000ULL
f930d07e
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42#define APB_MEM_BASE 0x1ff00000000ULL
43#define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
44#define PROM_FILENAME "openbios-sparc64"
83469015 45#define NVRAM_SIZE 0x2000
e4bcb14c 46#define MAX_IDE_BUS 2
3475187d 47
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48int DMA_get_channel_mode (int nchan)
49{
50 return 0;
51}
52int DMA_read_memory (int nchan, void *buf, int pos, int size)
53{
54 return 0;
55}
56int DMA_write_memory (int nchan, void *buf, int pos, int size)
57{
58 return 0;
59}
60void DMA_hold_DREQ (int nchan) {}
61void DMA_release_DREQ (int nchan) {}
62void DMA_schedule(int nchan) {}
63void DMA_run (void) {}
64void DMA_init (int high_page_enable) {}
65void DMA_register_channel (int nchan,
66 DMA_transfer_handler transfer_handler,
67 void *opaque)
68{
69}
70
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71static int nvram_boot_set(void *opaque, const char *boot_device)
72{
73 unsigned int i;
74 uint8_t image[sizeof(ohwcfg_v3_t)];
75 ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
76 m48t59_t *nvram = (m48t59_t *)opaque;
77
78 for (i = 0; i < sizeof(image); i++)
79 image[i] = m48t59_read(nvram, i) & 0xff;
80
e7fb1406 81 strcpy((char *)header->boot_devices, boot_device);
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82 header->nboot_devices = strlen(boot_device) & 0xff;
83 header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
84
85 for (i = 0; i < sizeof(image); i++)
86 m48t59_write(nvram, i, image[i]);
87
88 return 0;
89}
90
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91extern int nographic;
92
d2c63fc1 93static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
e7fb1406 94 const char *arch,
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95 ram_addr_t RAM_size,
96 const char *boot_devices,
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97 uint32_t kernel_image, uint32_t kernel_size,
98 const char *cmdline,
99 uint32_t initrd_image, uint32_t initrd_size,
100 uint32_t NVRAM_image,
101 int width, int height, int depth)
83469015 102{
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103 unsigned int i;
104 uint32_t start, end;
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105 uint8_t image[0x1ff0];
106 ohwcfg_v3_t *header = (ohwcfg_v3_t *)&image;
107 struct sparc_arch_cfg *sparc_header;
108 struct OpenBIOS_nvpart_v1 *part_header;
109
110 memset(image, '\0', sizeof(image));
111
112 // Try to match PPC NVRAM
e7fb1406 113 strcpy((char *)header->struct_ident, "QEMU_BIOS");
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114 header->struct_version = cpu_to_be32(3); /* structure v3 */
115
116 header->nvram_size = cpu_to_be16(NVRAM_size);
117 header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
118 header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
e7fb1406 119 strcpy((char *)header->arch, arch);
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120 header->nb_cpus = smp_cpus & 0xff;
121 header->RAM0_base = 0;
122 header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
e7fb1406 123 strcpy((char *)header->boot_devices, boot_devices);
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124 header->nboot_devices = strlen(boot_devices) & 0xff;
125 header->kernel_image = cpu_to_be64((uint64_t)kernel_image);
126 header->kernel_size = cpu_to_be64((uint64_t)kernel_size);
3475187d 127 if (cmdline) {
293f78bc 128 pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, cmdline);
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129 header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR);
130 header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline));
3475187d 131 }
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132 header->initrd_image = cpu_to_be64((uint64_t)initrd_image);
133 header->initrd_size = cpu_to_be64((uint64_t)initrd_size);
134 header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image);
135
136 header->width = cpu_to_be16(width);
137 header->height = cpu_to_be16(height);
138 header->depth = cpu_to_be16(depth);
139 if (nographic)
140 header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS);
83469015 141
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142 header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
143
144 // Architecture specific header
145 start = sizeof(ohwcfg_v3_t);
146 sparc_header = (struct sparc_arch_cfg *)&image[start];
147 sparc_header->valid = 0;
148 start += sizeof(struct sparc_arch_cfg);
83469015 149
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150 // OpenBIOS nvram variables
151 // Variable partition
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152 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
153 part_header->signature = OPENBIOS_PART_SYSTEM;
154 strcpy(part_header->name, "system");
66508601 155
d2c63fc1 156 end = start + sizeof(struct OpenBIOS_nvpart_v1);
66508601 157 for (i = 0; i < nb_prom_envs; i++)
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158 end = OpenBIOS_set_var(image, end, prom_envs[i]);
159
160 // End marker
161 image[end++] = '\0';
66508601 162
66508601 163 end = start + ((end - start + 15) & ~15);
d2c63fc1 164 OpenBIOS_finish_partition(part_header, end - start);
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165
166 // free partition
167 start = end;
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168 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
169 part_header->signature = OPENBIOS_PART_FREE;
170 strcpy(part_header->name, "free");
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171
172 end = 0x1fd0;
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173 OpenBIOS_finish_partition(part_header, end - start);
174
175 for (i = 0; i < sizeof(image); i++)
176 m48t59_write(nvram, i, image[i]);
66508601 177
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178 qemu_register_boot_set(nvram_boot_set, nvram);
179
83469015 180 return 0;
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181}
182
22548760 183void pic_info(void)
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184{
185}
186
22548760 187void irq_info(void)
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188{
189}
190
83469015 191void qemu_system_powerdown(void)
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192{
193}
194
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195static void main_cpu_reset(void *opaque)
196{
197 CPUState *env = opaque;
20c9f095 198
c68ea704 199 cpu_reset(env);
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200 ptimer_set_limit(env->tick, 0x7fffffffffffffffULL, 1);
201 ptimer_run(env->tick, 0);
202 ptimer_set_limit(env->stick, 0x7fffffffffffffffULL, 1);
203 ptimer_run(env->stick, 0);
204 ptimer_set_limit(env->hstick, 0x7fffffffffffffffULL, 1);
205 ptimer_run(env->hstick, 0);
206}
207
22548760 208static void tick_irq(void *opaque)
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209{
210 CPUState *env = opaque;
211
212 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
213}
214
22548760 215static void stick_irq(void *opaque)
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216{
217 CPUState *env = opaque;
218
219 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
220}
221
22548760 222static void hstick_irq(void *opaque)
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223{
224 CPUState *env = opaque;
225
226 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
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227}
228
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229static void dummy_cpu_set_irq(void *opaque, int irq, int level)
230{
231}
232
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233static const int ide_iobase[2] = { 0x1f0, 0x170 };
234static const int ide_iobase2[2] = { 0x3f6, 0x376 };
235static const int ide_irq[2] = { 14, 15 };
3475187d 236
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237static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
238static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
239
240static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
241static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
242
243static fdctrl_t *floppy_controller;
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244
245/* Sun4u hardware initialisation */
22548760 246static void sun4u_init(ram_addr_t RAM_size, int vga_ram_size,
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247 const char *boot_devices, DisplayState *ds,
248 const char *kernel_filename, const char *kernel_cmdline,
249 const char *initrd_filename, const char *cpu_model)
3475187d 250{
c68ea704 251 CPUState *env;
3475187d 252 char buf[1024];
83469015 253 m48t59_t *nvram;
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254 int ret, linux_boot;
255 unsigned int i;
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256 long prom_offset, initrd_size, kernel_size;
257 PCIBus *pci_bus;
20c9f095 258 QEMUBH *bh;
f19e918d 259 qemu_irq *irq;
22548760 260 int drive_index;
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261 BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
262 BlockDriverState *fd[MAX_FD];
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263
264 linux_boot = (kernel_filename != NULL);
265
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266 /* init CPUs */
267 if (cpu_model == NULL)
268 cpu_model = "TI UltraSparc II";
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269 env = cpu_init(cpu_model);
270 if (!env) {
62724a37
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271 fprintf(stderr, "Unable to find Sparc CPU definition\n");
272 exit(1);
273 }
20c9f095
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274 bh = qemu_bh_new(tick_irq, env);
275 env->tick = ptimer_init(bh);
276 ptimer_set_period(env->tick, 1ULL);
277
278 bh = qemu_bh_new(stick_irq, env);
279 env->stick = ptimer_init(bh);
280 ptimer_set_period(env->stick, 1ULL);
281
282 bh = qemu_bh_new(hstick_irq, env);
283 env->hstick = ptimer_init(bh);
284 ptimer_set_period(env->hstick, 1ULL);
1a14026e 285 register_savevm("cpu", 0, 4, cpu_save, cpu_load, env);
c68ea704 286 qemu_register_reset(main_cpu_reset, env);
20c9f095 287 main_cpu_reset(env);
c68ea704 288
3475187d 289 /* allocate RAM */
22548760 290 cpu_register_physical_memory(0, RAM_size, 0);
3475187d 291
22548760 292 prom_offset = RAM_size + vga_ram_size;
5fafdf24 293 cpu_register_physical_memory(PROM_ADDR,
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294 (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
295 TARGET_PAGE_MASK,
b3783731 296 prom_offset | IO_MEM_ROM);
3475187d 297
1192dad8
JM
298 if (bios_name == NULL)
299 bios_name = PROM_FILENAME;
300 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
f19e918d 301 ret = load_elf(buf, PROM_ADDR - PROM_VADDR, NULL, NULL, NULL);
3475187d 302 if (ret < 0) {
f930d07e
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303 fprintf(stderr, "qemu: could not load prom '%s'\n",
304 buf);
305 exit(1);
3475187d 306 }
3475187d
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307
308 kernel_size = 0;
83469015 309 initrd_size = 0;
3475187d 310 if (linux_boot) {
b3783731 311 /* XXX: put correct offset */
74287114 312 kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
3475187d 313 if (kernel_size < 0)
293f78bc
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314 kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
315 ram_size - KERNEL_LOAD_ADDR);
f930d07e 316 if (kernel_size < 0)
293f78bc
BS
317 kernel_size = load_image_targphys(kernel_filename,
318 KERNEL_LOAD_ADDR,
319 ram_size - KERNEL_LOAD_ADDR);
3475187d 320 if (kernel_size < 0) {
5fafdf24 321 fprintf(stderr, "qemu: could not load kernel '%s'\n",
3475187d 322 kernel_filename);
f930d07e 323 exit(1);
3475187d
FB
324 }
325
326 /* load initrd */
3475187d 327 if (initrd_filename) {
293f78bc
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328 initrd_size = load_image_targphys(initrd_filename,
329 INITRD_LOAD_ADDR,
330 ram_size - INITRD_LOAD_ADDR);
3475187d 331 if (initrd_size < 0) {
5fafdf24 332 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
3475187d
FB
333 initrd_filename);
334 exit(1);
335 }
336 }
337 if (initrd_size > 0) {
f930d07e 338 for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
293f78bc
BS
339 if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS
340 stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
341 stl_phys(KERNEL_LOAD_ADDR + i + 20, initrd_size);
f930d07e
BS
342 break;
343 }
344 }
3475187d
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345 }
346 }
502a5395 347 pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL);
83469015 348 isa_mem_base = VGA_BASE;
77f193da
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349 pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + RAM_size, RAM_size,
350 vga_ram_size);
83469015
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351
352 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
353 if (serial_hds[i]) {
cbf5c748
BS
354 serial_init(serial_io[i], NULL/*serial_irq[i]*/, 115200,
355 serial_hds[i]);
83469015
FB
356 }
357 }
358
359 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
360 if (parallel_hds[i]) {
77f193da
BS
361 parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/,
362 parallel_hds[i]);
83469015
FB
363 }
364 }
365
366 for(i = 0; i < nb_nics; i++) {
a41b2ff2
PB
367 if (!nd_table[i].model)
368 nd_table[i].model = "ne2k_pci";
f930d07e 369 pci_nic_init(pci_bus, &nd_table[i], -1);
83469015
FB
370 }
371
f19e918d 372 irq = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, 32);
e4bcb14c
TS
373 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
374 fprintf(stderr, "qemu: too many IDE bus\n");
375 exit(1);
376 }
377 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
22548760
BS
378 drive_index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS,
379 i % MAX_IDE_DEVS);
380 if (drive_index != -1)
381 hd[i] = drives_table[drive_index].bdrv;
e4bcb14c
TS
382 else
383 hd[i] = NULL;
384 }
385
386 // XXX pci_cmd646_ide_init(pci_bus, hd, 1);
387 pci_piix3_ide_init(pci_bus, hd, -1, irq);
d537cf6c
PB
388 /* FIXME: wire up interrupts. */
389 i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
e4bcb14c 390 for(i = 0; i < MAX_FD; i++) {
22548760
BS
391 drive_index = drive_get_index(IF_FLOPPY, 0, i);
392 if (drive_index != -1)
393 fd[i] = drives_table[drive_index].bdrv;
e4bcb14c
TS
394 else
395 fd[i] = NULL;
396 }
397 floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd);
d537cf6c 398 nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
22548760 399 sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
83469015
FB
400 KERNEL_LOAD_ADDR, kernel_size,
401 kernel_cmdline,
402 INITRD_LOAD_ADDR, initrd_size,
403 /* XXX: need an option to load a NVRAM image */
404 0,
405 graphic_width, graphic_height, graphic_depth);
406
3475187d
FB
407}
408
409QEMUMachine sun4u_machine = {
410 "sun4u",
411 "Sun4u platform",
412 sun4u_init,
7fb4fdcf 413 PROM_SIZE_MAX + VGA_RAM_SIZE,
3475187d 414};
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