]> git.proxmox.com Git - mirror_qemu.git/blame - hw/sun4u.c
Update OHW interface to version 3.
[mirror_qemu.git] / hw / sun4u.c
CommitLineData
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
42uint64_t cpu_get_tsc()
43{
44 return qemu_get_clock(vm_clock);
45}
46
47int DMA_get_channel_mode (int nchan)
48{
49 return 0;
50}
51int DMA_read_memory (int nchan, void *buf, int pos, int size)
52{
53 return 0;
54}
55int DMA_write_memory (int nchan, void *buf, int pos, int size)
56{
57 return 0;
58}
59void DMA_hold_DREQ (int nchan) {}
60void DMA_release_DREQ (int nchan) {}
61void DMA_schedule(int nchan) {}
62void DMA_run (void) {}
63void DMA_init (int high_page_enable) {}
64void DMA_register_channel (int nchan,
65 DMA_transfer_handler transfer_handler,
66 void *opaque)
67{
68}
69
3475187d
FB
70extern int nographic;
71
d2c63fc1
BS
72static 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
159void pic_info()
160{
161}
162
163void irq_info()
164{
165}
166
83469015 167void qemu_system_powerdown(void)
3475187d
FB
168{
169}
170
c68ea704
FB
171static 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
184void tick_irq(void *opaque)
185{
186 CPUState *env = opaque;
187
188 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
189}
190
191void stick_irq(void *opaque)
192{
193 CPUState *env = opaque;
194
195 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
196}
197
198void hstick_irq(void *opaque)
199{
200 CPUState *env = opaque;
201
202 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
c68ea704
FB
203}
204
f19e918d
BS
205static void dummy_cpu_set_irq(void *opaque, int irq, int level)
206{
207}
208
83469015
FB
209static const int ide_iobase[2] = { 0x1f0, 0x170 };
210static const int ide_iobase2[2] = { 0x3f6, 0x376 };
211static const int ide_irq[2] = { 14, 15 };
3475187d 212
83469015
FB
213static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
214static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
215
216static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
217static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
218
219static fdctrl_t *floppy_controller;
3475187d
FB
220
221/* Sun4u hardware initialisation */
d2c63fc1 222static 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
354QEMUMachine sun4u_machine = {
355 "sun4u",
356 "Sun4u platform",
357 sun4u_init,
358};