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3475187d FB |
1 | /* |
2 | * QEMU Sun4u 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 "vl.h" | |
83469015 | 25 | #include "m48t59.h" |
3475187d | 26 | |
83469015 FB |
27 | #define KERNEL_LOAD_ADDR 0x00404000 |
28 | #define CMDLINE_ADDR 0x003ff000 | |
29 | #define INITRD_LOAD_ADDR 0x00300000 | |
75956cf0 | 30 | #define PROM_SIZE_MAX (512 * 1024) |
83469015 FB |
31 | #define PROM_ADDR 0x1fff0000000ULL |
32 | #define APB_SPECIAL_BASE 0x1fe00000000ULL | |
33 | #define APB_MEM_BASE 0x1ff00000000ULL | |
34 | #define VGA_BASE (APB_MEM_BASE + 0x400000ULL) | |
0986ac3b | 35 | #define PROM_FILENAME "openbios-sparc64" |
83469015 | 36 | #define NVRAM_SIZE 0x2000 |
3475187d FB |
37 | |
38 | /* TSC handling */ | |
39 | ||
40 | uint64_t cpu_get_tsc() | |
41 | { | |
42 | return qemu_get_clock(vm_clock); | |
43 | } | |
44 | ||
45 | int DMA_get_channel_mode (int nchan) | |
46 | { | |
47 | return 0; | |
48 | } | |
49 | int DMA_read_memory (int nchan, void *buf, int pos, int size) | |
50 | { | |
51 | return 0; | |
52 | } | |
53 | int DMA_write_memory (int nchan, void *buf, int pos, int size) | |
54 | { | |
55 | return 0; | |
56 | } | |
57 | void DMA_hold_DREQ (int nchan) {} | |
58 | void DMA_release_DREQ (int nchan) {} | |
59 | void DMA_schedule(int nchan) {} | |
60 | void DMA_run (void) {} | |
61 | void DMA_init (int high_page_enable) {} | |
62 | void DMA_register_channel (int nchan, | |
63 | DMA_transfer_handler transfer_handler, | |
64 | void *opaque) | |
65 | { | |
66 | } | |
67 | ||
83469015 FB |
68 | /* NVRAM helpers */ |
69 | void NVRAM_set_byte (m48t59_t *nvram, uint32_t addr, uint8_t value) | |
3475187d | 70 | { |
819385c5 | 71 | m48t59_write(nvram, addr, value); |
3475187d FB |
72 | } |
73 | ||
83469015 | 74 | uint8_t NVRAM_get_byte (m48t59_t *nvram, uint32_t addr) |
3475187d | 75 | { |
819385c5 | 76 | return m48t59_read(nvram, addr); |
3475187d FB |
77 | } |
78 | ||
83469015 FB |
79 | void NVRAM_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value) |
80 | { | |
819385c5 FB |
81 | m48t59_write(nvram, addr, value >> 8); |
82 | m48t59_write(nvram, addr + 1, value & 0xFF); | |
83469015 FB |
83 | } |
84 | ||
85 | uint16_t NVRAM_get_word (m48t59_t *nvram, uint32_t addr) | |
86 | { | |
87 | uint16_t tmp; | |
88 | ||
819385c5 FB |
89 | tmp = m48t59_read(nvram, addr) << 8; |
90 | tmp |= m48t59_read(nvram, addr + 1); | |
83469015 FB |
91 | |
92 | return tmp; | |
93 | } | |
94 | ||
95 | void NVRAM_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value) | |
96 | { | |
819385c5 FB |
97 | m48t59_write(nvram, addr, value >> 24); |
98 | m48t59_write(nvram, addr + 1, (value >> 16) & 0xFF); | |
99 | m48t59_write(nvram, addr + 2, (value >> 8) & 0xFF); | |
100 | m48t59_write(nvram, addr + 3, value & 0xFF); | |
83469015 FB |
101 | } |
102 | ||
103 | uint32_t NVRAM_get_lword (m48t59_t *nvram, uint32_t addr) | |
104 | { | |
105 | uint32_t tmp; | |
106 | ||
819385c5 FB |
107 | tmp = m48t59_read(nvram, addr) << 24; |
108 | tmp |= m48t59_read(nvram, addr + 1) << 16; | |
109 | tmp |= m48t59_read(nvram, addr + 2) << 8; | |
110 | tmp |= m48t59_read(nvram, addr + 3); | |
83469015 FB |
111 | |
112 | return tmp; | |
113 | } | |
114 | ||
115 | void NVRAM_set_string (m48t59_t *nvram, uint32_t addr, | |
3475187d FB |
116 | const unsigned char *str, uint32_t max) |
117 | { | |
83469015 | 118 | int i; |
3475187d FB |
119 | |
120 | for (i = 0; i < max && str[i] != '\0'; i++) { | |
819385c5 | 121 | m48t59_write(nvram, addr + i, str[i]); |
3475187d | 122 | } |
819385c5 | 123 | m48t59_write(nvram, addr + max - 1, '\0'); |
3475187d FB |
124 | } |
125 | ||
83469015 FB |
126 | int NVRAM_get_string (m48t59_t *nvram, uint8_t *dst, uint16_t addr, int max) |
127 | { | |
128 | int i; | |
129 | ||
130 | memset(dst, 0, max); | |
131 | for (i = 0; i < max; i++) { | |
132 | dst[i] = NVRAM_get_byte(nvram, addr + i); | |
133 | if (dst[i] == '\0') | |
134 | break; | |
135 | } | |
136 | ||
137 | return i; | |
138 | } | |
139 | ||
140 | static uint16_t NVRAM_crc_update (uint16_t prev, uint16_t value) | |
141 | { | |
142 | uint16_t tmp; | |
143 | uint16_t pd, pd1, pd2; | |
144 | ||
145 | tmp = prev >> 8; | |
146 | pd = prev ^ value; | |
147 | pd1 = pd & 0x000F; | |
148 | pd2 = ((pd >> 4) & 0x000F) ^ pd1; | |
149 | tmp ^= (pd1 << 3) | (pd1 << 8); | |
150 | tmp ^= pd2 | (pd2 << 7) | (pd2 << 12); | |
151 | ||
152 | return tmp; | |
153 | } | |
154 | ||
155 | uint16_t NVRAM_compute_crc (m48t59_t *nvram, uint32_t start, uint32_t count) | |
156 | { | |
157 | uint32_t i; | |
158 | uint16_t crc = 0xFFFF; | |
159 | int odd; | |
160 | ||
161 | odd = count & 1; | |
162 | count &= ~1; | |
163 | for (i = 0; i != count; i++) { | |
164 | crc = NVRAM_crc_update(crc, NVRAM_get_word(nvram, start + i)); | |
165 | } | |
166 | if (odd) { | |
167 | crc = NVRAM_crc_update(crc, NVRAM_get_byte(nvram, start + i) << 8); | |
168 | } | |
169 | ||
170 | return crc; | |
171 | } | |
3475187d FB |
172 | |
173 | extern int nographic; | |
174 | ||
83469015 FB |
175 | int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size, |
176 | const unsigned char *arch, | |
177 | uint32_t RAM_size, int boot_device, | |
178 | uint32_t kernel_image, uint32_t kernel_size, | |
179 | const char *cmdline, | |
180 | uint32_t initrd_image, uint32_t initrd_size, | |
181 | uint32_t NVRAM_image, | |
182 | int width, int height, int depth) | |
183 | { | |
184 | uint16_t crc; | |
185 | ||
186 | /* Set parameters for Open Hack'Ware BIOS */ | |
187 | NVRAM_set_string(nvram, 0x00, "QEMU_BIOS", 16); | |
188 | NVRAM_set_lword(nvram, 0x10, 0x00000002); /* structure v2 */ | |
189 | NVRAM_set_word(nvram, 0x14, NVRAM_size); | |
190 | NVRAM_set_string(nvram, 0x20, arch, 16); | |
191 | NVRAM_set_byte(nvram, 0x2f, nographic & 0xff); | |
192 | NVRAM_set_lword(nvram, 0x30, RAM_size); | |
193 | NVRAM_set_byte(nvram, 0x34, boot_device); | |
194 | NVRAM_set_lword(nvram, 0x38, kernel_image); | |
195 | NVRAM_set_lword(nvram, 0x3C, kernel_size); | |
3475187d | 196 | if (cmdline) { |
83469015 FB |
197 | /* XXX: put the cmdline in NVRAM too ? */ |
198 | strcpy(phys_ram_base + CMDLINE_ADDR, cmdline); | |
199 | NVRAM_set_lword(nvram, 0x40, CMDLINE_ADDR); | |
200 | NVRAM_set_lword(nvram, 0x44, strlen(cmdline)); | |
201 | } else { | |
202 | NVRAM_set_lword(nvram, 0x40, 0); | |
203 | NVRAM_set_lword(nvram, 0x44, 0); | |
3475187d | 204 | } |
83469015 FB |
205 | NVRAM_set_lword(nvram, 0x48, initrd_image); |
206 | NVRAM_set_lword(nvram, 0x4C, initrd_size); | |
207 | NVRAM_set_lword(nvram, 0x50, NVRAM_image); | |
208 | ||
209 | NVRAM_set_word(nvram, 0x54, width); | |
210 | NVRAM_set_word(nvram, 0x56, height); | |
211 | NVRAM_set_word(nvram, 0x58, depth); | |
212 | crc = NVRAM_compute_crc(nvram, 0x00, 0xF8); | |
213 | NVRAM_set_word(nvram, 0xFC, crc); | |
214 | ||
215 | return 0; | |
3475187d FB |
216 | } |
217 | ||
218 | void pic_info() | |
219 | { | |
220 | } | |
221 | ||
222 | void irq_info() | |
223 | { | |
224 | } | |
225 | ||
83469015 | 226 | void qemu_system_powerdown(void) |
3475187d FB |
227 | { |
228 | } | |
229 | ||
c68ea704 FB |
230 | static void main_cpu_reset(void *opaque) |
231 | { | |
232 | CPUState *env = opaque; | |
233 | cpu_reset(env); | |
234 | } | |
235 | ||
83469015 FB |
236 | static const int ide_iobase[2] = { 0x1f0, 0x170 }; |
237 | static const int ide_iobase2[2] = { 0x3f6, 0x376 }; | |
238 | static const int ide_irq[2] = { 14, 15 }; | |
3475187d | 239 | |
83469015 FB |
240 | static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; |
241 | static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 }; | |
242 | ||
243 | static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc }; | |
244 | static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 }; | |
245 | ||
246 | static fdctrl_t *floppy_controller; | |
3475187d FB |
247 | |
248 | /* Sun4u hardware initialisation */ | |
249 | static void sun4u_init(int ram_size, int vga_ram_size, int boot_device, | |
250 | DisplayState *ds, const char **fd_filename, int snapshot, | |
251 | const char *kernel_filename, const char *kernel_cmdline, | |
94fc95cd | 252 | const char *initrd_filename, const char *cpu_model) |
3475187d | 253 | { |
c68ea704 | 254 | CPUState *env; |
3475187d | 255 | char buf[1024]; |
83469015 | 256 | m48t59_t *nvram; |
3475187d FB |
257 | int ret, linux_boot; |
258 | unsigned int i; | |
83469015 FB |
259 | long prom_offset, initrd_size, kernel_size; |
260 | PCIBus *pci_bus; | |
62724a37 | 261 | const sparc_def_t *def; |
3475187d FB |
262 | |
263 | linux_boot = (kernel_filename != NULL); | |
264 | ||
62724a37 BS |
265 | /* init CPUs */ |
266 | if (cpu_model == NULL) | |
267 | cpu_model = "TI UltraSparc II"; | |
268 | sparc_find_by_name(cpu_model, &def); | |
269 | if (def == NULL) { | |
270 | fprintf(stderr, "Unable to find Sparc CPU definition\n"); | |
271 | exit(1); | |
272 | } | |
c68ea704 | 273 | env = cpu_init(); |
62724a37 | 274 | cpu_sparc_register(env, def); |
c68ea704 FB |
275 | register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); |
276 | qemu_register_reset(main_cpu_reset, env); | |
277 | ||
3475187d FB |
278 | /* allocate RAM */ |
279 | cpu_register_physical_memory(0, ram_size, 0); | |
280 | ||
83469015 | 281 | prom_offset = ram_size + vga_ram_size; |
b3783731 FB |
282 | cpu_register_physical_memory(PROM_ADDR, |
283 | (PROM_SIZE_MAX + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK, | |
284 | prom_offset | IO_MEM_ROM); | |
3475187d | 285 | |
0986ac3b | 286 | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME); |
74287114 | 287 | ret = load_elf(buf, 0, NULL, NULL, NULL); |
3475187d FB |
288 | if (ret < 0) { |
289 | fprintf(stderr, "qemu: could not load prom '%s'\n", | |
290 | buf); | |
291 | exit(1); | |
292 | } | |
3475187d FB |
293 | |
294 | kernel_size = 0; | |
83469015 | 295 | initrd_size = 0; |
3475187d | 296 | if (linux_boot) { |
b3783731 | 297 | /* XXX: put correct offset */ |
74287114 | 298 | kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL); |
3475187d FB |
299 | if (kernel_size < 0) |
300 | kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); | |
301 | if (kernel_size < 0) | |
302 | kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); | |
303 | if (kernel_size < 0) { | |
304 | fprintf(stderr, "qemu: could not load kernel '%s'\n", | |
305 | kernel_filename); | |
306 | exit(1); | |
307 | } | |
308 | ||
309 | /* load initrd */ | |
3475187d FB |
310 | if (initrd_filename) { |
311 | initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR); | |
312 | if (initrd_size < 0) { | |
313 | fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", | |
314 | initrd_filename); | |
315 | exit(1); | |
316 | } | |
317 | } | |
318 | if (initrd_size > 0) { | |
319 | for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) { | |
320 | if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i) | |
321 | == 0x48647253) { // HdrS | |
322 | stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR); | |
323 | stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size); | |
324 | break; | |
325 | } | |
326 | } | |
327 | } | |
328 | } | |
502a5395 | 329 | pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL); |
83469015 | 330 | isa_mem_base = VGA_BASE; |
75956cf0 | 331 | pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + ram_size, ram_size, vga_ram_size); |
83469015 FB |
332 | |
333 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { | |
334 | if (serial_hds[i]) { | |
d537cf6c | 335 | serial_init(serial_io[i], NULL/*serial_irq[i]*/, serial_hds[i]); |
83469015 FB |
336 | } |
337 | } | |
338 | ||
339 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
340 | if (parallel_hds[i]) { | |
d537cf6c | 341 | parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/, parallel_hds[i]); |
83469015 FB |
342 | } |
343 | } | |
344 | ||
345 | for(i = 0; i < nb_nics; i++) { | |
a41b2ff2 PB |
346 | if (!nd_table[i].model) |
347 | nd_table[i].model = "ne2k_pci"; | |
abcebc7e | 348 | pci_nic_init(pci_bus, &nd_table[i], -1); |
83469015 FB |
349 | } |
350 | ||
351 | pci_cmd646_ide_init(pci_bus, bs_table, 1); | |
d537cf6c PB |
352 | /* FIXME: wire up interrupts. */ |
353 | i8042_init(NULL/*1*/, NULL/*12*/, 0x60); | |
354 | floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd_table); | |
355 | nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59); | |
83469015 FB |
356 | sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", ram_size, boot_device, |
357 | KERNEL_LOAD_ADDR, kernel_size, | |
358 | kernel_cmdline, | |
359 | INITRD_LOAD_ADDR, initrd_size, | |
360 | /* XXX: need an option to load a NVRAM image */ | |
361 | 0, | |
362 | graphic_width, graphic_height, graphic_depth); | |
363 | ||
3475187d FB |
364 | } |
365 | ||
366 | QEMUMachine sun4u_machine = { | |
367 | "sun4u", | |
368 | "Sun4u platform", | |
369 | sun4u_init, | |
370 | }; |