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Mainstone re-org, by Armin Kuster.
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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
75956cf0 38#define PROM_SIZE_MAX (512 * 1024)
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39#define PROM_ADDR 0x1fff0000000ULL
40#define PROM_VADDR 0x000ffd00000ULL
83469015 41#define APB_SPECIAL_BASE 0x1fe00000000ULL
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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
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46
47/* TSC handling */
48
49uint64_t cpu_get_tsc()
50{
51 return qemu_get_clock(vm_clock);
52}
53
54int DMA_get_channel_mode (int nchan)
55{
56 return 0;
57}
58int DMA_read_memory (int nchan, void *buf, int pos, int size)
59{
60 return 0;
61}
62int DMA_write_memory (int nchan, void *buf, int pos, int size)
63{
64 return 0;
65}
66void DMA_hold_DREQ (int nchan) {}
67void DMA_release_DREQ (int nchan) {}
68void DMA_schedule(int nchan) {}
69void DMA_run (void) {}
70void DMA_init (int high_page_enable) {}
71void DMA_register_channel (int nchan,
72 DMA_transfer_handler transfer_handler,
73 void *opaque)
74{
75}
76
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77extern int nographic;
78
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79static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
80 const unsigned char *arch,
81 uint32_t RAM_size, const char *boot_devices,
82 uint32_t kernel_image, uint32_t kernel_size,
83 const char *cmdline,
84 uint32_t initrd_image, uint32_t initrd_size,
85 uint32_t NVRAM_image,
86 int width, int height, int depth)
83469015 87{
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88 unsigned int i;
89 uint32_t start, end;
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90 uint8_t image[0x1ff0];
91 ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
92 struct sparc_arch_cfg *sparc_header;
93 struct OpenBIOS_nvpart_v1 *part_header;
94
95 memset(image, '\0', sizeof(image));
96
97 // Try to match PPC NVRAM
98 strcpy(header->struct_ident, "QEMU_BIOS");
99 header->struct_version = cpu_to_be32(3); /* structure v3 */
100
101 header->nvram_size = cpu_to_be16(NVRAM_size);
102 header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
103 header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
104 strcpy(header->arch, arch);
105 header->nb_cpus = smp_cpus & 0xff;
106 header->RAM0_base = 0;
107 header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
108 strcpy(header->boot_devices, boot_devices);
109 header->nboot_devices = strlen(boot_devices) & 0xff;
110 header->kernel_image = cpu_to_be64((uint64_t)kernel_image);
111 header->kernel_size = cpu_to_be64((uint64_t)kernel_size);
3475187d 112 if (cmdline) {
83469015 113 strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
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114 header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR);
115 header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline));
3475187d 116 }
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117 header->initrd_image = cpu_to_be64((uint64_t)initrd_image);
118 header->initrd_size = cpu_to_be64((uint64_t)initrd_size);
119 header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image);
120
121 header->width = cpu_to_be16(width);
122 header->height = cpu_to_be16(height);
123 header->depth = cpu_to_be16(depth);
124 if (nographic)
125 header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS);
83469015 126
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127 header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
128
129 // Architecture specific header
130 start = sizeof(ohwcfg_v3_t);
131 sparc_header = (struct sparc_arch_cfg *)&image[start];
132 sparc_header->valid = 0;
133 start += sizeof(struct sparc_arch_cfg);
83469015 134
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135 // OpenBIOS nvram variables
136 // Variable partition
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137 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
138 part_header->signature = OPENBIOS_PART_SYSTEM;
139 strcpy(part_header->name, "system");
66508601 140
d2c63fc1 141 end = start + sizeof(struct OpenBIOS_nvpart_v1);
66508601 142 for (i = 0; i < nb_prom_envs; i++)
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143 end = OpenBIOS_set_var(image, end, prom_envs[i]);
144
145 // End marker
146 image[end++] = '\0';
66508601 147
66508601 148 end = start + ((end - start + 15) & ~15);
d2c63fc1 149 OpenBIOS_finish_partition(part_header, end - start);
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150
151 // free partition
152 start = end;
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153 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
154 part_header->signature = OPENBIOS_PART_FREE;
155 strcpy(part_header->name, "free");
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156
157 end = 0x1fd0;
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158 OpenBIOS_finish_partition(part_header, end - start);
159
160 for (i = 0; i < sizeof(image); i++)
161 m48t59_write(nvram, i, image[i]);
66508601 162
83469015 163 return 0;
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164}
165
166void pic_info()
167{
168}
169
170void irq_info()
171{
172}
173
83469015 174void qemu_system_powerdown(void)
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175{
176}
177
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178static void main_cpu_reset(void *opaque)
179{
180 CPUState *env = opaque;
20c9f095 181
c68ea704 182 cpu_reset(env);
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183 ptimer_set_limit(env->tick, 0x7fffffffffffffffULL, 1);
184 ptimer_run(env->tick, 0);
185 ptimer_set_limit(env->stick, 0x7fffffffffffffffULL, 1);
186 ptimer_run(env->stick, 0);
187 ptimer_set_limit(env->hstick, 0x7fffffffffffffffULL, 1);
188 ptimer_run(env->hstick, 0);
189}
190
191void tick_irq(void *opaque)
192{
193 CPUState *env = opaque;
194
195 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
196}
197
198void stick_irq(void *opaque)
199{
200 CPUState *env = opaque;
201
202 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
203}
204
205void hstick_irq(void *opaque)
206{
207 CPUState *env = opaque;
208
209 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
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210}
211
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212static void dummy_cpu_set_irq(void *opaque, int irq, int level)
213{
214}
215
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216static const int ide_iobase[2] = { 0x1f0, 0x170 };
217static const int ide_iobase2[2] = { 0x3f6, 0x376 };
218static const int ide_irq[2] = { 14, 15 };
3475187d 219
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220static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
221static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
222
223static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
224static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
225
226static fdctrl_t *floppy_controller;
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227
228/* Sun4u hardware initialisation */
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229static void sun4u_init(int ram_size, int vga_ram_size,
230 const char *boot_devices, DisplayState *ds,
231 const char *kernel_filename, const char *kernel_cmdline,
232 const char *initrd_filename, const char *cpu_model)
3475187d 233{
c68ea704 234 CPUState *env;
3475187d 235 char buf[1024];
83469015 236 m48t59_t *nvram;
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237 int ret, linux_boot;
238 unsigned int i;
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239 long prom_offset, initrd_size, kernel_size;
240 PCIBus *pci_bus;
20c9f095 241 QEMUBH *bh;
f19e918d 242 qemu_irq *irq;
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243
244 linux_boot = (kernel_filename != NULL);
245
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246 /* init CPUs */
247 if (cpu_model == NULL)
248 cpu_model = "TI UltraSparc II";
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249 env = cpu_init(cpu_model);
250 if (!env) {
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251 fprintf(stderr, "Unable to find Sparc CPU definition\n");
252 exit(1);
253 }
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254 bh = qemu_bh_new(tick_irq, env);
255 env->tick = ptimer_init(bh);
256 ptimer_set_period(env->tick, 1ULL);
257
258 bh = qemu_bh_new(stick_irq, env);
259 env->stick = ptimer_init(bh);
260 ptimer_set_period(env->stick, 1ULL);
261
262 bh = qemu_bh_new(hstick_irq, env);
263 env->hstick = ptimer_init(bh);
264 ptimer_set_period(env->hstick, 1ULL);
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265 register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
266 qemu_register_reset(main_cpu_reset, env);
20c9f095 267 main_cpu_reset(env);
c68ea704 268
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269 /* allocate RAM */
270 cpu_register_physical_memory(0, ram_size, 0);
271
83469015 272 prom_offset = ram_size + vga_ram_size;
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273 cpu_register_physical_memory(PROM_ADDR,
274 (PROM_SIZE_MAX + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK,
b3783731 275 prom_offset | IO_MEM_ROM);
3475187d 276
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277 if (bios_name == NULL)
278 bios_name = PROM_FILENAME;
279 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
f19e918d 280 ret = load_elf(buf, PROM_ADDR - PROM_VADDR, NULL, NULL, NULL);
3475187d 281 if (ret < 0) {
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282 fprintf(stderr, "qemu: could not load prom '%s'\n",
283 buf);
284 exit(1);
3475187d 285 }
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286
287 kernel_size = 0;
83469015 288 initrd_size = 0;
3475187d 289 if (linux_boot) {
b3783731 290 /* XXX: put correct offset */
74287114 291 kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
3475187d 292 if (kernel_size < 0)
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293 kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
294 if (kernel_size < 0)
295 kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
3475187d 296 if (kernel_size < 0) {
5fafdf24 297 fprintf(stderr, "qemu: could not load kernel '%s'\n",
3475187d 298 kernel_filename);
f930d07e 299 exit(1);
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300 }
301
302 /* load initrd */
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303 if (initrd_filename) {
304 initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
305 if (initrd_size < 0) {
5fafdf24 306 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
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307 initrd_filename);
308 exit(1);
309 }
310 }
311 if (initrd_size > 0) {
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312 for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
313 if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
314 == 0x48647253) { // HdrS
315 stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
316 stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
317 break;
318 }
319 }
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320 }
321 }
502a5395 322 pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL);
83469015 323 isa_mem_base = VGA_BASE;
75956cf0 324 pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + ram_size, ram_size, vga_ram_size);
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325
326 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
327 if (serial_hds[i]) {
d537cf6c 328 serial_init(serial_io[i], NULL/*serial_irq[i]*/, serial_hds[i]);
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329 }
330 }
331
332 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
333 if (parallel_hds[i]) {
d537cf6c 334 parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/, parallel_hds[i]);
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335 }
336 }
337
338 for(i = 0; i < nb_nics; i++) {
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339 if (!nd_table[i].model)
340 nd_table[i].model = "ne2k_pci";
f930d07e 341 pci_nic_init(pci_bus, &nd_table[i], -1);
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342 }
343
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344 irq = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, 32);
345 // XXX pci_cmd646_ide_init(pci_bus, bs_table, 1);
346 pci_piix3_ide_init(pci_bus, bs_table, -1, irq);
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347 /* FIXME: wire up interrupts. */
348 i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
349 floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd_table);
350 nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
d2c63fc1 351 sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", ram_size, boot_devices,
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352 KERNEL_LOAD_ADDR, kernel_size,
353 kernel_cmdline,
354 INITRD_LOAD_ADDR, initrd_size,
355 /* XXX: need an option to load a NVRAM image */
356 0,
357 graphic_width, graphic_height, graphic_depth);
358
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359}
360
361QEMUMachine sun4u_machine = {
362 "sun4u",
363 "Sun4u platform",
364 sun4u_init,
365};