2 * QEMU Sun4m System Emulator
4 * Copyright (c) 2003-2005 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
27 * Sun4m architecture was used in the following machines:
29 * SPARCserver 6xxMP/xx
30 * SPARCclassic (SPARCclassic Server)(SPARCstation LC) (4/15), SPARCclassic X (4/10)
31 * SPARCstation LX/ZX (4/30)
32 * SPARCstation Voyager
33 * SPARCstation 10/xx, SPARCserver 10/xx
34 * SPARCstation 5, SPARCserver 5
35 * SPARCstation 20/xx, SPARCserver 20
38 * See for example: http://www.sunhelp.org/faq/sunref1.html
41 #define KERNEL_LOAD_ADDR 0x00004000
42 #define CMDLINE_ADDR 0x007ff000
43 #define INITRD_LOAD_ADDR 0x00800000
44 #define PROM_SIZE_MAX (256 * 1024)
45 #define PROM_ADDR 0xffd00000
46 #define PROM_FILENAME "openbios-sparc32"
51 target_ulong iommu_base, slavio_base;
52 target_ulong intctl_base, counter_base, nvram_base, ms_kb_base, serial_base;
54 target_ulong dma_base, esp_base, le_base;
55 target_ulong tcx_base, cs_base;
56 long vram_size, nvram_size;
57 // IRQ numbers are not PIL ones, but master interrupt controller register
59 int intctl_g_intr, esp_irq, le_irq, cpu_irq, clock_irq, clock1_irq;
60 int ser_irq, ms_kb_irq, fd_irq, me_irq, cs_irq;
61 int machine_id; // For NVRAM
62 uint32_t intbit_to_level[32];
67 uint64_t cpu_get_tsc()
69 return qemu_get_clock(vm_clock);
72 int DMA_get_channel_mode (int nchan)
76 int DMA_read_memory (int nchan, void *buf, int pos, int size)
80 int DMA_write_memory (int nchan, void *buf, int pos, int size)
84 void DMA_hold_DREQ (int nchan) {}
85 void DMA_release_DREQ (int nchan) {}
86 void DMA_schedule(int nchan) {}
87 void DMA_run (void) {}
88 void DMA_init (int high_page_enable) {}
89 void DMA_register_channel (int nchan,
90 DMA_transfer_handler transfer_handler,
95 static void nvram_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value)
97 m48t59_write(nvram, addr++, (value >> 8) & 0xff);
98 m48t59_write(nvram, addr++, value & 0xff);
101 static void nvram_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value)
103 m48t59_write(nvram, addr++, value >> 24);
104 m48t59_write(nvram, addr++, (value >> 16) & 0xff);
105 m48t59_write(nvram, addr++, (value >> 8) & 0xff);
106 m48t59_write(nvram, addr++, value & 0xff);
109 static void nvram_set_string (m48t59_t *nvram, uint32_t addr,
110 const unsigned char *str, uint32_t max)
114 for (i = 0; i < max && str[i] != '\0'; i++) {
115 m48t59_write(nvram, addr + i, str[i]);
117 m48t59_write(nvram, addr + max - 1, '\0');
120 static m48t59_t *nvram;
122 extern int nographic;
124 static void nvram_init(m48t59_t *nvram, uint8_t *macaddr, const char *cmdline,
125 int boot_device, uint32_t RAM_size,
126 uint32_t kernel_size,
127 int width, int height, int depth,
130 unsigned char tmp = 0;
133 // Try to match PPC NVRAM
134 nvram_set_string(nvram, 0x00, "QEMU_BIOS", 16);
135 nvram_set_lword(nvram, 0x10, 0x00000001); /* structure v1 */
136 // NVRAM_size, arch not applicable
137 m48t59_write(nvram, 0x2D, smp_cpus & 0xff);
138 m48t59_write(nvram, 0x2E, 0);
139 m48t59_write(nvram, 0x2F, nographic & 0xff);
140 nvram_set_lword(nvram, 0x30, RAM_size);
141 m48t59_write(nvram, 0x34, boot_device & 0xff);
142 nvram_set_lword(nvram, 0x38, KERNEL_LOAD_ADDR);
143 nvram_set_lword(nvram, 0x3C, kernel_size);
145 strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
146 nvram_set_lword(nvram, 0x40, CMDLINE_ADDR);
147 nvram_set_lword(nvram, 0x44, strlen(cmdline));
149 // initrd_image, initrd_size passed differently
150 nvram_set_word(nvram, 0x54, width);
151 nvram_set_word(nvram, 0x56, height);
152 nvram_set_word(nvram, 0x58, depth);
154 // Sun4m specific use
156 m48t59_write(nvram, i++, 0x01);
157 m48t59_write(nvram, i++, machine_id);
159 m48t59_write(nvram, i++, macaddr[j++]);
160 m48t59_write(nvram, i++, macaddr[j++]);
161 m48t59_write(nvram, i++, macaddr[j++]);
162 m48t59_write(nvram, i++, macaddr[j++]);
163 m48t59_write(nvram, i++, macaddr[j++]);
164 m48t59_write(nvram, i, macaddr[j]);
166 /* Calculate checksum */
167 for (i = 0x1fd8; i < 0x1fe7; i++) {
168 tmp ^= m48t59_read(nvram, i);
170 m48t59_write(nvram, 0x1fe7, tmp);
173 static void *slavio_intctl;
177 slavio_pic_info(slavio_intctl);
182 slavio_irq_info(slavio_intctl);
185 static void *slavio_misc;
187 void qemu_system_powerdown(void)
189 slavio_set_power_fail(slavio_misc, 1);
192 static void main_cpu_reset(void *opaque)
194 CPUState *env = opaque;
198 static void sun4m_hw_init(const struct hwdef *hwdef, int ram_size,
199 DisplayState *ds, const char *cpu_model)
202 CPUState *env, *envs[MAX_CPUS];
204 void *iommu, *dma, *main_esp, *main_lance = NULL;
205 const sparc_def_t *def;
206 qemu_irq *slavio_irq;
209 sparc_find_by_name(cpu_model, &def);
211 fprintf(stderr, "Unable to find Sparc CPU definition\n");
214 for(i = 0; i < smp_cpus; i++) {
216 cpu_sparc_register(env, def);
220 register_savevm("cpu", i, 3, cpu_save, cpu_load, env);
221 qemu_register_reset(main_cpu_reset, env);
224 cpu_register_physical_memory(0, ram_size, 0);
226 iommu = iommu_init(hwdef->iommu_base);
227 slavio_intctl = slavio_intctl_init(hwdef->intctl_base,
228 hwdef->intctl_base + 0x10000,
229 &hwdef->intbit_to_level[0],
231 for(i = 0; i < smp_cpus; i++) {
232 slavio_intctl_set_cpu(slavio_intctl, i, envs[i]);
234 dma = sparc32_dma_init(hwdef->dma_base, slavio_irq[hwdef->esp_irq],
235 slavio_irq[hwdef->le_irq], iommu);
237 if (graphic_depth != 8 && graphic_depth != 24) {
238 fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
241 tcx_init(ds, hwdef->tcx_base, phys_ram_base + ram_size, ram_size,
242 hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
243 if (nd_table[0].vlan) {
244 if (nd_table[0].model == NULL
245 || strcmp(nd_table[0].model, "lance") == 0) {
246 main_lance = lance_init(&nd_table[0], hwdef->le_base, dma,
247 slavio_irq[hwdef->le_irq]);
249 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
253 nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0,
254 hwdef->nvram_size, 8);
255 for (i = 0; i < MAX_CPUS; i++) {
256 slavio_timer_init(hwdef->counter_base + i * TARGET_PAGE_SIZE,
257 hwdef->clock_irq, 0, i, slavio_intctl);
259 slavio_timer_init(hwdef->counter_base + 0x10000, hwdef->clock1_irq, 2,
260 (unsigned int)-1, slavio_intctl);
261 slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[hwdef->ms_kb_irq]);
262 // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
263 // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
264 slavio_serial_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq],
265 serial_hds[1], serial_hds[0]);
266 fdctrl_init(slavio_irq[hwdef->fd_irq], 0, 1, hwdef->fd_base, fd_table);
267 main_esp = esp_init(bs_table, hwdef->esp_base, dma);
269 for (i = 0; i < MAX_DISKS; i++) {
271 esp_scsi_attach(main_esp, bs_table[i], i);
275 slavio_misc = slavio_misc_init(hwdef->slavio_base,
276 slavio_irq[hwdef->me_irq]);
277 if (hwdef->cs_base != (target_ulong)-1)
278 cs_init(hwdef->cs_base, hwdef->cs_irq, slavio_intctl);
279 sparc32_dma_set_reset_data(dma, main_esp, main_lance);
282 static void sun4m_load_kernel(long vram_size, int ram_size, int boot_device,
283 const char *kernel_filename,
284 const char *kernel_cmdline,
285 const char *initrd_filename,
291 long prom_offset, initrd_size, kernel_size;
293 linux_boot = (kernel_filename != NULL);
295 prom_offset = ram_size + vram_size;
296 cpu_register_physical_memory(PROM_ADDR,
297 (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK,
298 prom_offset | IO_MEM_ROM);
300 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME);
301 ret = load_elf(buf, 0, NULL, NULL, NULL);
303 fprintf(stderr, "qemu: could not load prom '%s'\n",
310 kernel_size = load_elf(kernel_filename, -0xf0000000, NULL, NULL, NULL);
312 kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
314 kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
315 if (kernel_size < 0) {
316 fprintf(stderr, "qemu: could not load kernel '%s'\n",
323 if (initrd_filename) {
324 initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
325 if (initrd_size < 0) {
326 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
331 if (initrd_size > 0) {
332 for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
333 if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
334 == 0x48647253) { // HdrS
335 stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
336 stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
342 nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
343 boot_device, ram_size, kernel_size, graphic_width,
344 graphic_height, graphic_depth, machine_id);
347 static const struct hwdef hwdefs[] = {
350 .iommu_base = 0x10000000,
351 .tcx_base = 0x50000000,
352 .cs_base = 0x6c000000,
353 .slavio_base = 0x71000000,
354 .ms_kb_base = 0x71000000,
355 .serial_base = 0x71100000,
356 .nvram_base = 0x71200000,
357 .fd_base = 0x71400000,
358 .counter_base = 0x71d00000,
359 .intctl_base = 0x71e00000,
360 .dma_base = 0x78400000,
361 .esp_base = 0x78800000,
362 .le_base = 0x78c00000,
363 .vram_size = 0x00100000,
364 .nvram_size = 0x2000,
376 2, 3, 5, 7, 9, 11, 0, 14, 3, 5, 7, 9, 11, 13, 12, 12,
377 6, 0, 4, 10, 8, 0, 11, 0, 0, 0, 0, 0, 15, 0, 15, 0,
382 .iommu_base = 0xe0000000, // XXX Actually at 0xfe0000000ULL (36 bits)
383 .tcx_base = 0x20000000, // 0xe20000000ULL,
385 .slavio_base = 0xf1000000, // 0xff1000000ULL,
386 .ms_kb_base = 0xf1000000, // 0xff1000000ULL,
387 .serial_base = 0xf1100000, // 0xff1100000ULL,
388 .nvram_base = 0xf1200000, // 0xff1200000ULL,
389 .fd_base = 0xf1700000, // 0xff1700000ULL,
390 .counter_base = 0xf1300000, // 0xff1300000ULL,
391 .intctl_base = 0xf1400000, // 0xff1400000ULL,
392 .dma_base = 0xf0400000, // 0xef0400000ULL,
393 .esp_base = 0xf0800000, // 0xef0800000ULL,
394 .le_base = 0xf0c00000, // 0xef0c00000ULL,
395 .vram_size = 0x00100000,
396 .nvram_size = 0x2000,
408 2, 3, 5, 7, 9, 11, 0, 14, 3, 5, 7, 9, 11, 13, 12, 12,
409 6, 0, 4, 10, 8, 0, 11, 0, 0, 0, 0, 0, 15, 0, 15, 0,
414 static void sun4m_common_init(int ram_size, int boot_device, DisplayState *ds,
415 const char *kernel_filename, const char *kernel_cmdline,
416 const char *initrd_filename, const char *cpu_model,
417 unsigned int machine)
419 sun4m_hw_init(&hwdefs[machine], ram_size, ds, cpu_model);
421 sun4m_load_kernel(hwdefs[machine].vram_size, ram_size, boot_device,
422 kernel_filename, kernel_cmdline, initrd_filename,
423 hwdefs[machine].machine_id);
426 /* SPARCstation 5 hardware initialisation */
427 static void ss5_init(int ram_size, int vga_ram_size, int boot_device,
428 DisplayState *ds, const char **fd_filename, int snapshot,
429 const char *kernel_filename, const char *kernel_cmdline,
430 const char *initrd_filename, const char *cpu_model)
432 if (cpu_model == NULL)
433 cpu_model = "Fujitsu MB86904";
434 sun4m_common_init(ram_size, boot_device, ds, kernel_filename,
435 kernel_cmdline, initrd_filename, cpu_model,
439 /* SPARCstation 10 hardware initialisation */
440 static void ss10_init(int ram_size, int vga_ram_size, int boot_device,
441 DisplayState *ds, const char **fd_filename, int snapshot,
442 const char *kernel_filename, const char *kernel_cmdline,
443 const char *initrd_filename, const char *cpu_model)
445 if (cpu_model == NULL)
446 cpu_model = "TI SuperSparc II";
447 sun4m_common_init(ram_size, boot_device, ds, kernel_filename,
448 kernel_cmdline, initrd_filename, cpu_model,
452 QEMUMachine ss5_machine = {
454 "Sun4m platform, SPARCstation 5",
458 QEMUMachine ss10_machine = {
460 "Sun4m platform, SPARCstation 10",