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3475187d FB |
1 | /* |
2 | * QEMU Sun4u System Emulator | |
5fafdf24 | 3 | * |
3475187d | 4 | * Copyright (c) 2005 Fabrice Bellard |
5fafdf24 | 5 | * |
3475187d FB |
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" |
d2c63fc1 | 26 | #include "firmware_abi.h" |
3475187d | 27 | |
83469015 FB |
28 | #define KERNEL_LOAD_ADDR 0x00404000 |
29 | #define CMDLINE_ADDR 0x003ff000 | |
30 | #define INITRD_LOAD_ADDR 0x00300000 | |
75956cf0 | 31 | #define PROM_SIZE_MAX (512 * 1024) |
f930d07e BS |
32 | #define PROM_ADDR 0x1fff0000000ULL |
33 | #define PROM_VADDR 0x000ffd00000ULL | |
83469015 | 34 | #define APB_SPECIAL_BASE 0x1fe00000000ULL |
f930d07e BS |
35 | #define APB_MEM_BASE 0x1ff00000000ULL |
36 | #define VGA_BASE (APB_MEM_BASE + 0x400000ULL) | |
37 | #define PROM_FILENAME "openbios-sparc64" | |
83469015 | 38 | #define NVRAM_SIZE 0x2000 |
3475187d FB |
39 | |
40 | /* TSC handling */ | |
41 | ||
42 | uint64_t cpu_get_tsc() | |
43 | { | |
44 | return qemu_get_clock(vm_clock); | |
45 | } | |
46 | ||
47 | int DMA_get_channel_mode (int nchan) | |
48 | { | |
49 | return 0; | |
50 | } | |
51 | int DMA_read_memory (int nchan, void *buf, int pos, int size) | |
52 | { | |
53 | return 0; | |
54 | } | |
55 | int DMA_write_memory (int nchan, void *buf, int pos, int size) | |
56 | { | |
57 | return 0; | |
58 | } | |
59 | void DMA_hold_DREQ (int nchan) {} | |
60 | void DMA_release_DREQ (int nchan) {} | |
61 | void DMA_schedule(int nchan) {} | |
62 | void DMA_run (void) {} | |
63 | void DMA_init (int high_page_enable) {} | |
64 | void DMA_register_channel (int nchan, | |
65 | DMA_transfer_handler transfer_handler, | |
66 | void *opaque) | |
67 | { | |
68 | } | |
69 | ||
3475187d FB |
70 | extern int nographic; |
71 | ||
d2c63fc1 BS |
72 | static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size, |
73 | const unsigned char *arch, | |
74 | uint32_t RAM_size, const char *boot_devices, | |
75 | uint32_t kernel_image, uint32_t kernel_size, | |
76 | const char *cmdline, | |
77 | uint32_t initrd_image, uint32_t initrd_size, | |
78 | uint32_t NVRAM_image, | |
79 | int width, int height, int depth) | |
83469015 | 80 | { |
66508601 BS |
81 | unsigned int i; |
82 | uint32_t start, end; | |
d2c63fc1 BS |
83 | uint8_t image[0x1ff0]; |
84 | ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ | |
85 | struct sparc_arch_cfg *sparc_header; | |
86 | struct OpenBIOS_nvpart_v1 *part_header; | |
87 | ||
88 | memset(image, '\0', sizeof(image)); | |
89 | ||
90 | // Try to match PPC NVRAM | |
91 | strcpy(header->struct_ident, "QEMU_BIOS"); | |
92 | header->struct_version = cpu_to_be32(3); /* structure v3 */ | |
93 | ||
94 | header->nvram_size = cpu_to_be16(NVRAM_size); | |
95 | header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t)); | |
96 | header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg)); | |
97 | strcpy(header->arch, arch); | |
98 | header->nb_cpus = smp_cpus & 0xff; | |
99 | header->RAM0_base = 0; | |
100 | header->RAM0_size = cpu_to_be64((uint64_t)RAM_size); | |
101 | strcpy(header->boot_devices, boot_devices); | |
102 | header->nboot_devices = strlen(boot_devices) & 0xff; | |
103 | header->kernel_image = cpu_to_be64((uint64_t)kernel_image); | |
104 | header->kernel_size = cpu_to_be64((uint64_t)kernel_size); | |
3475187d | 105 | if (cmdline) { |
83469015 | 106 | strcpy(phys_ram_base + CMDLINE_ADDR, cmdline); |
d2c63fc1 BS |
107 | header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR); |
108 | header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline)); | |
3475187d | 109 | } |
d2c63fc1 BS |
110 | header->initrd_image = cpu_to_be64((uint64_t)initrd_image); |
111 | header->initrd_size = cpu_to_be64((uint64_t)initrd_size); | |
112 | header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image); | |
113 | ||
114 | header->width = cpu_to_be16(width); | |
115 | header->height = cpu_to_be16(height); | |
116 | header->depth = cpu_to_be16(depth); | |
117 | if (nographic) | |
118 | header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS); | |
83469015 | 119 | |
d2c63fc1 BS |
120 | header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8)); |
121 | ||
122 | // Architecture specific header | |
123 | start = sizeof(ohwcfg_v3_t); | |
124 | sparc_header = (struct sparc_arch_cfg *)&image[start]; | |
125 | sparc_header->valid = 0; | |
126 | start += sizeof(struct sparc_arch_cfg); | |
83469015 | 127 | |
66508601 BS |
128 | // OpenBIOS nvram variables |
129 | // Variable partition | |
d2c63fc1 BS |
130 | part_header = (struct OpenBIOS_nvpart_v1 *)&image[start]; |
131 | part_header->signature = OPENBIOS_PART_SYSTEM; | |
132 | strcpy(part_header->name, "system"); | |
66508601 | 133 | |
d2c63fc1 | 134 | end = start + sizeof(struct OpenBIOS_nvpart_v1); |
66508601 | 135 | for (i = 0; i < nb_prom_envs; i++) |
d2c63fc1 BS |
136 | end = OpenBIOS_set_var(image, end, prom_envs[i]); |
137 | ||
138 | // End marker | |
139 | image[end++] = '\0'; | |
66508601 | 140 | |
66508601 | 141 | end = start + ((end - start + 15) & ~15); |
d2c63fc1 | 142 | OpenBIOS_finish_partition(part_header, end - start); |
66508601 BS |
143 | |
144 | // free partition | |
145 | start = end; | |
d2c63fc1 BS |
146 | part_header = (struct OpenBIOS_nvpart_v1 *)&image[start]; |
147 | part_header->signature = OPENBIOS_PART_FREE; | |
148 | strcpy(part_header->name, "free"); | |
66508601 BS |
149 | |
150 | end = 0x1fd0; | |
d2c63fc1 BS |
151 | OpenBIOS_finish_partition(part_header, end - start); |
152 | ||
153 | for (i = 0; i < sizeof(image); i++) | |
154 | m48t59_write(nvram, i, image[i]); | |
66508601 | 155 | |
83469015 | 156 | return 0; |
3475187d FB |
157 | } |
158 | ||
159 | void pic_info() | |
160 | { | |
161 | } | |
162 | ||
163 | void irq_info() | |
164 | { | |
165 | } | |
166 | ||
83469015 | 167 | void qemu_system_powerdown(void) |
3475187d FB |
168 | { |
169 | } | |
170 | ||
c68ea704 FB |
171 | static void main_cpu_reset(void *opaque) |
172 | { | |
173 | CPUState *env = opaque; | |
20c9f095 | 174 | |
c68ea704 | 175 | cpu_reset(env); |
20c9f095 BS |
176 | ptimer_set_limit(env->tick, 0x7fffffffffffffffULL, 1); |
177 | ptimer_run(env->tick, 0); | |
178 | ptimer_set_limit(env->stick, 0x7fffffffffffffffULL, 1); | |
179 | ptimer_run(env->stick, 0); | |
180 | ptimer_set_limit(env->hstick, 0x7fffffffffffffffULL, 1); | |
181 | ptimer_run(env->hstick, 0); | |
182 | } | |
183 | ||
184 | void tick_irq(void *opaque) | |
185 | { | |
186 | CPUState *env = opaque; | |
187 | ||
188 | cpu_interrupt(env, CPU_INTERRUPT_TIMER); | |
189 | } | |
190 | ||
191 | void stick_irq(void *opaque) | |
192 | { | |
193 | CPUState *env = opaque; | |
194 | ||
195 | cpu_interrupt(env, CPU_INTERRUPT_TIMER); | |
196 | } | |
197 | ||
198 | void hstick_irq(void *opaque) | |
199 | { | |
200 | CPUState *env = opaque; | |
201 | ||
202 | cpu_interrupt(env, CPU_INTERRUPT_TIMER); | |
c68ea704 FB |
203 | } |
204 | ||
f19e918d BS |
205 | static void dummy_cpu_set_irq(void *opaque, int irq, int level) |
206 | { | |
207 | } | |
208 | ||
83469015 FB |
209 | static const int ide_iobase[2] = { 0x1f0, 0x170 }; |
210 | static const int ide_iobase2[2] = { 0x3f6, 0x376 }; | |
211 | static const int ide_irq[2] = { 14, 15 }; | |
3475187d | 212 | |
83469015 FB |
213 | static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; |
214 | static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 }; | |
215 | ||
216 | static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc }; | |
217 | static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 }; | |
218 | ||
219 | static fdctrl_t *floppy_controller; | |
3475187d FB |
220 | |
221 | /* Sun4u hardware initialisation */ | |
d2c63fc1 | 222 | static void sun4u_init(int ram_size, int vga_ram_size, const char *boot_devices, |
3475187d FB |
223 | DisplayState *ds, const char **fd_filename, int snapshot, |
224 | const char *kernel_filename, const char *kernel_cmdline, | |
94fc95cd | 225 | const char *initrd_filename, const char *cpu_model) |
3475187d | 226 | { |
c68ea704 | 227 | CPUState *env; |
3475187d | 228 | char buf[1024]; |
83469015 | 229 | m48t59_t *nvram; |
3475187d FB |
230 | int ret, linux_boot; |
231 | unsigned int i; | |
83469015 FB |
232 | long prom_offset, initrd_size, kernel_size; |
233 | PCIBus *pci_bus; | |
20c9f095 | 234 | QEMUBH *bh; |
f19e918d | 235 | qemu_irq *irq; |
3475187d FB |
236 | |
237 | linux_boot = (kernel_filename != NULL); | |
238 | ||
62724a37 BS |
239 | /* init CPUs */ |
240 | if (cpu_model == NULL) | |
241 | cpu_model = "TI UltraSparc II"; | |
aaed909a FB |
242 | env = cpu_init(cpu_model); |
243 | if (!env) { | |
62724a37 BS |
244 | fprintf(stderr, "Unable to find Sparc CPU definition\n"); |
245 | exit(1); | |
246 | } | |
20c9f095 BS |
247 | bh = qemu_bh_new(tick_irq, env); |
248 | env->tick = ptimer_init(bh); | |
249 | ptimer_set_period(env->tick, 1ULL); | |
250 | ||
251 | bh = qemu_bh_new(stick_irq, env); | |
252 | env->stick = ptimer_init(bh); | |
253 | ptimer_set_period(env->stick, 1ULL); | |
254 | ||
255 | bh = qemu_bh_new(hstick_irq, env); | |
256 | env->hstick = ptimer_init(bh); | |
257 | ptimer_set_period(env->hstick, 1ULL); | |
c68ea704 FB |
258 | register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); |
259 | qemu_register_reset(main_cpu_reset, env); | |
20c9f095 | 260 | main_cpu_reset(env); |
c68ea704 | 261 | |
3475187d FB |
262 | /* allocate RAM */ |
263 | cpu_register_physical_memory(0, ram_size, 0); | |
264 | ||
83469015 | 265 | prom_offset = ram_size + vga_ram_size; |
5fafdf24 TS |
266 | cpu_register_physical_memory(PROM_ADDR, |
267 | (PROM_SIZE_MAX + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK, | |
b3783731 | 268 | prom_offset | IO_MEM_ROM); |
3475187d | 269 | |
1192dad8 JM |
270 | if (bios_name == NULL) |
271 | bios_name = PROM_FILENAME; | |
272 | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); | |
f19e918d | 273 | ret = load_elf(buf, PROM_ADDR - PROM_VADDR, NULL, NULL, NULL); |
3475187d | 274 | if (ret < 0) { |
f930d07e BS |
275 | fprintf(stderr, "qemu: could not load prom '%s'\n", |
276 | buf); | |
277 | exit(1); | |
3475187d | 278 | } |
3475187d FB |
279 | |
280 | kernel_size = 0; | |
83469015 | 281 | initrd_size = 0; |
3475187d | 282 | if (linux_boot) { |
b3783731 | 283 | /* XXX: put correct offset */ |
74287114 | 284 | kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL); |
3475187d | 285 | if (kernel_size < 0) |
f930d07e BS |
286 | kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); |
287 | if (kernel_size < 0) | |
288 | kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR); | |
3475187d | 289 | if (kernel_size < 0) { |
5fafdf24 | 290 | fprintf(stderr, "qemu: could not load kernel '%s'\n", |
3475187d | 291 | kernel_filename); |
f930d07e | 292 | exit(1); |
3475187d FB |
293 | } |
294 | ||
295 | /* load initrd */ | |
3475187d FB |
296 | if (initrd_filename) { |
297 | initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR); | |
298 | if (initrd_size < 0) { | |
5fafdf24 | 299 | fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", |
3475187d FB |
300 | initrd_filename); |
301 | exit(1); | |
302 | } | |
303 | } | |
304 | if (initrd_size > 0) { | |
f930d07e BS |
305 | for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) { |
306 | if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i) | |
307 | == 0x48647253) { // HdrS | |
308 | stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR); | |
309 | stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size); | |
310 | break; | |
311 | } | |
312 | } | |
3475187d FB |
313 | } |
314 | } | |
502a5395 | 315 | pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL); |
83469015 | 316 | isa_mem_base = VGA_BASE; |
75956cf0 | 317 | pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + ram_size, ram_size, vga_ram_size); |
83469015 FB |
318 | |
319 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { | |
320 | if (serial_hds[i]) { | |
d537cf6c | 321 | serial_init(serial_io[i], NULL/*serial_irq[i]*/, serial_hds[i]); |
83469015 FB |
322 | } |
323 | } | |
324 | ||
325 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
326 | if (parallel_hds[i]) { | |
d537cf6c | 327 | parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/, parallel_hds[i]); |
83469015 FB |
328 | } |
329 | } | |
330 | ||
331 | for(i = 0; i < nb_nics; i++) { | |
a41b2ff2 PB |
332 | if (!nd_table[i].model) |
333 | nd_table[i].model = "ne2k_pci"; | |
f930d07e | 334 | pci_nic_init(pci_bus, &nd_table[i], -1); |
83469015 FB |
335 | } |
336 | ||
f19e918d BS |
337 | irq = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, 32); |
338 | // XXX pci_cmd646_ide_init(pci_bus, bs_table, 1); | |
339 | pci_piix3_ide_init(pci_bus, bs_table, -1, irq); | |
d537cf6c PB |
340 | /* FIXME: wire up interrupts. */ |
341 | i8042_init(NULL/*1*/, NULL/*12*/, 0x60); | |
342 | floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd_table); | |
343 | nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59); | |
d2c63fc1 | 344 | sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", ram_size, boot_devices, |
83469015 FB |
345 | KERNEL_LOAD_ADDR, kernel_size, |
346 | kernel_cmdline, | |
347 | INITRD_LOAD_ADDR, initrd_size, | |
348 | /* XXX: need an option to load a NVRAM image */ | |
349 | 0, | |
350 | graphic_width, graphic_height, graphic_depth); | |
351 | ||
3475187d FB |
352 | } |
353 | ||
354 | QEMUMachine sun4u_machine = { | |
355 | "sun4u", | |
356 | "Sun4u platform", | |
357 | sun4u_init, | |
358 | }; |