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Commit | Line | Data |
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80cabfad FB |
1 | /* |
2 | * QEMU PC System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2004 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 | */ | |
80cabfad FB |
24 | #include "vl.h" |
25 | ||
b41a2cd1 FB |
26 | /* output Bochs bios info messages */ |
27 | //#define DEBUG_BIOS | |
28 | ||
80cabfad FB |
29 | #define BIOS_FILENAME "bios.bin" |
30 | #define VGABIOS_FILENAME "vgabios.bin" | |
de9258a8 | 31 | #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin" |
80cabfad FB |
32 | #define LINUX_BOOT_FILENAME "linux_boot.bin" |
33 | ||
34 | #define KERNEL_LOAD_ADDR 0x00100000 | |
35 | #define INITRD_LOAD_ADDR 0x00400000 | |
36 | #define KERNEL_PARAMS_ADDR 0x00090000 | |
37 | #define KERNEL_CMDLINE_ADDR 0x00099000 | |
38 | ||
39 | int speaker_data_on; | |
40 | int dummy_refresh_clock; | |
baca51fa | 41 | static fdctrl_t *floppy_controller; |
b0a21b53 | 42 | static RTCState *rtc_state; |
ec844b96 | 43 | static PITState *pit; |
80cabfad | 44 | |
b41a2cd1 | 45 | static void ioport80_write(void *opaque, uint32_t addr, uint32_t data) |
80cabfad FB |
46 | { |
47 | } | |
48 | ||
f929aad6 FB |
49 | /* MSDOS compatibility mode FPU exception support */ |
50 | /* XXX: add IGNNE support */ | |
51 | void cpu_set_ferr(CPUX86State *s) | |
52 | { | |
53 | pic_set_irq(13, 1); | |
54 | } | |
55 | ||
56 | static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data) | |
57 | { | |
58 | pic_set_irq(13, 0); | |
59 | } | |
60 | ||
28ab0e2e FB |
61 | /* TSC handling */ |
62 | ||
63 | uint64_t cpu_get_tsc(CPUX86State *env) | |
64 | { | |
65 | return qemu_get_clock(vm_clock); | |
66 | } | |
67 | ||
3de388f6 FB |
68 | /* IRQ handling */ |
69 | int cpu_get_pic_interrupt(CPUState *env) | |
70 | { | |
71 | int intno; | |
72 | ||
73 | #ifdef TARGET_X86_64 | |
74 | intno = apic_get_interrupt(env); | |
75 | if (intno >= 0) { | |
76 | /* set irq request if a PIC irq is still pending */ | |
77 | /* XXX: improve that */ | |
78 | pic_update_irq(isa_pic); | |
79 | return intno; | |
80 | } | |
81 | #endif | |
82 | /* read the irq from the PIC */ | |
83 | intno = pic_read_irq(isa_pic); | |
84 | return intno; | |
85 | } | |
86 | ||
87 | static void pic_irq_request(void *opaque, int level) | |
88 | { | |
89 | if (level) | |
90 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HARD); | |
91 | else | |
92 | cpu_reset_interrupt(cpu_single_env, CPU_INTERRUPT_HARD); | |
93 | } | |
94 | ||
b0a21b53 FB |
95 | /* PC cmos mappings */ |
96 | ||
80cabfad | 97 | #define REG_EQUIPMENT_BYTE 0x14 |
b0a21b53 FB |
98 | #define REG_IBM_CENTURY_BYTE 0x32 |
99 | #define REG_IBM_PS2_CENTURY_BYTE 0x37 | |
100 | ||
101 | ||
102 | static inline int to_bcd(RTCState *s, int a) | |
103 | { | |
104 | return ((a / 10) << 4) | (a % 10); | |
105 | } | |
80cabfad | 106 | |
777428f2 FB |
107 | static int cmos_get_fd_drive_type(int fd0) |
108 | { | |
109 | int val; | |
110 | ||
111 | switch (fd0) { | |
112 | case 0: | |
113 | /* 1.44 Mb 3"5 drive */ | |
114 | val = 4; | |
115 | break; | |
116 | case 1: | |
117 | /* 2.88 Mb 3"5 drive */ | |
118 | val = 5; | |
119 | break; | |
120 | case 2: | |
121 | /* 1.2 Mb 5"5 drive */ | |
122 | val = 2; | |
123 | break; | |
124 | default: | |
125 | val = 0; | |
126 | break; | |
127 | } | |
128 | return val; | |
129 | } | |
130 | ||
ba6c2377 FB |
131 | static void cmos_init_hd(int type_ofs, int info_ofs, BlockDriverState *hd) |
132 | { | |
133 | RTCState *s = rtc_state; | |
134 | int cylinders, heads, sectors; | |
135 | bdrv_get_geometry_hint(hd, &cylinders, &heads, §ors); | |
136 | rtc_set_memory(s, type_ofs, 47); | |
137 | rtc_set_memory(s, info_ofs, cylinders); | |
138 | rtc_set_memory(s, info_ofs + 1, cylinders >> 8); | |
139 | rtc_set_memory(s, info_ofs + 2, heads); | |
140 | rtc_set_memory(s, info_ofs + 3, 0xff); | |
141 | rtc_set_memory(s, info_ofs + 4, 0xff); | |
142 | rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3)); | |
143 | rtc_set_memory(s, info_ofs + 6, cylinders); | |
144 | rtc_set_memory(s, info_ofs + 7, cylinders >> 8); | |
145 | rtc_set_memory(s, info_ofs + 8, sectors); | |
146 | } | |
147 | ||
148 | /* hd_table must contain 4 block drivers */ | |
149 | static void cmos_init(int ram_size, int boot_device, BlockDriverState **hd_table) | |
80cabfad | 150 | { |
b0a21b53 | 151 | RTCState *s = rtc_state; |
80cabfad | 152 | int val; |
b41a2cd1 | 153 | int fd0, fd1, nb; |
b0a21b53 FB |
154 | time_t ti; |
155 | struct tm *tm; | |
ba6c2377 | 156 | int i; |
b0a21b53 FB |
157 | |
158 | /* set the CMOS date */ | |
159 | time(&ti); | |
ee22c2f7 FB |
160 | if (rtc_utc) |
161 | tm = gmtime(&ti); | |
162 | else | |
163 | tm = localtime(&ti); | |
b0a21b53 FB |
164 | rtc_set_date(s, tm); |
165 | ||
166 | val = to_bcd(s, (tm->tm_year / 100) + 19); | |
167 | rtc_set_memory(s, REG_IBM_CENTURY_BYTE, val); | |
168 | rtc_set_memory(s, REG_IBM_PS2_CENTURY_BYTE, val); | |
80cabfad | 169 | |
b0a21b53 | 170 | /* various important CMOS locations needed by PC/Bochs bios */ |
80cabfad FB |
171 | |
172 | /* memory size */ | |
333190eb FB |
173 | val = 640; /* base memory in K */ |
174 | rtc_set_memory(s, 0x15, val); | |
175 | rtc_set_memory(s, 0x16, val >> 8); | |
176 | ||
80cabfad FB |
177 | val = (ram_size / 1024) - 1024; |
178 | if (val > 65535) | |
179 | val = 65535; | |
b0a21b53 FB |
180 | rtc_set_memory(s, 0x17, val); |
181 | rtc_set_memory(s, 0x18, val >> 8); | |
182 | rtc_set_memory(s, 0x30, val); | |
183 | rtc_set_memory(s, 0x31, val >> 8); | |
80cabfad | 184 | |
9da98861 FB |
185 | if (ram_size > (16 * 1024 * 1024)) |
186 | val = (ram_size / 65536) - ((16 * 1024 * 1024) / 65536); | |
187 | else | |
188 | val = 0; | |
80cabfad FB |
189 | if (val > 65535) |
190 | val = 65535; | |
b0a21b53 FB |
191 | rtc_set_memory(s, 0x34, val); |
192 | rtc_set_memory(s, 0x35, val >> 8); | |
80cabfad FB |
193 | |
194 | switch(boot_device) { | |
195 | case 'a': | |
196 | case 'b': | |
b0a21b53 | 197 | rtc_set_memory(s, 0x3d, 0x01); /* floppy boot */ |
80cabfad FB |
198 | break; |
199 | default: | |
200 | case 'c': | |
b0a21b53 | 201 | rtc_set_memory(s, 0x3d, 0x02); /* hard drive boot */ |
80cabfad FB |
202 | break; |
203 | case 'd': | |
b0a21b53 | 204 | rtc_set_memory(s, 0x3d, 0x03); /* CD-ROM boot */ |
80cabfad FB |
205 | break; |
206 | } | |
80cabfad | 207 | |
b41a2cd1 FB |
208 | /* floppy type */ |
209 | ||
baca51fa FB |
210 | fd0 = fdctrl_get_drive_type(floppy_controller, 0); |
211 | fd1 = fdctrl_get_drive_type(floppy_controller, 1); | |
80cabfad | 212 | |
777428f2 | 213 | val = (cmos_get_fd_drive_type(fd0) << 4) | cmos_get_fd_drive_type(fd1); |
b0a21b53 FB |
214 | rtc_set_memory(s, 0x10, val); |
215 | ||
216 | val = 0; | |
b41a2cd1 | 217 | nb = 0; |
80cabfad FB |
218 | if (fd0 < 3) |
219 | nb++; | |
220 | if (fd1 < 3) | |
221 | nb++; | |
222 | switch (nb) { | |
223 | case 0: | |
224 | break; | |
225 | case 1: | |
b0a21b53 | 226 | val |= 0x01; /* 1 drive, ready for boot */ |
80cabfad FB |
227 | break; |
228 | case 2: | |
b0a21b53 | 229 | val |= 0x41; /* 2 drives, ready for boot */ |
80cabfad FB |
230 | break; |
231 | } | |
b0a21b53 FB |
232 | val |= 0x02; /* FPU is there */ |
233 | val |= 0x04; /* PS/2 mouse installed */ | |
234 | rtc_set_memory(s, REG_EQUIPMENT_BYTE, val); | |
235 | ||
ba6c2377 FB |
236 | /* hard drives */ |
237 | ||
238 | rtc_set_memory(s, 0x12, (hd_table[0] ? 0xf0 : 0) | (hd_table[1] ? 0x0f : 0)); | |
239 | if (hd_table[0]) | |
240 | cmos_init_hd(0x19, 0x1b, hd_table[0]); | |
241 | if (hd_table[1]) | |
242 | cmos_init_hd(0x1a, 0x24, hd_table[1]); | |
243 | ||
244 | val = 0; | |
40b6ecc6 | 245 | for (i = 0; i < 4; i++) { |
ba6c2377 | 246 | if (hd_table[i]) { |
46d4767d FB |
247 | int cylinders, heads, sectors, translation; |
248 | /* NOTE: bdrv_get_geometry_hint() returns the physical | |
249 | geometry. It is always such that: 1 <= sects <= 63, 1 | |
250 | <= heads <= 16, 1 <= cylinders <= 16383. The BIOS | |
251 | geometry can be different if a translation is done. */ | |
252 | translation = bdrv_get_translation_hint(hd_table[i]); | |
253 | if (translation == BIOS_ATA_TRANSLATION_AUTO) { | |
254 | bdrv_get_geometry_hint(hd_table[i], &cylinders, &heads, §ors); | |
255 | if (cylinders <= 1024 && heads <= 16 && sectors <= 63) { | |
256 | /* No translation. */ | |
257 | translation = 0; | |
258 | } else { | |
259 | /* LBA translation. */ | |
260 | translation = 1; | |
261 | } | |
40b6ecc6 | 262 | } else { |
46d4767d | 263 | translation--; |
ba6c2377 | 264 | } |
ba6c2377 FB |
265 | val |= translation << (i * 2); |
266 | } | |
40b6ecc6 | 267 | } |
ba6c2377 FB |
268 | rtc_set_memory(s, 0x39, val); |
269 | ||
270 | /* Disable check of 0x55AA signature on the last two bytes of | |
271 | first sector of disk. XXX: make it the default ? */ | |
272 | // rtc_set_memory(s, 0x38, 1); | |
80cabfad FB |
273 | } |
274 | ||
b41a2cd1 | 275 | static void speaker_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
80cabfad FB |
276 | { |
277 | speaker_data_on = (val >> 1) & 1; | |
ec844b96 | 278 | pit_set_gate(pit, 2, val & 1); |
80cabfad FB |
279 | } |
280 | ||
b41a2cd1 | 281 | static uint32_t speaker_ioport_read(void *opaque, uint32_t addr) |
80cabfad FB |
282 | { |
283 | int out; | |
ec844b96 | 284 | out = pit_get_out(pit, 2, qemu_get_clock(vm_clock)); |
80cabfad | 285 | dummy_refresh_clock ^= 1; |
ec844b96 | 286 | return (speaker_data_on << 1) | pit_get_gate(pit, 2) | (out << 5) | |
80cabfad FB |
287 | (dummy_refresh_clock << 4); |
288 | } | |
289 | ||
e1a23744 FB |
290 | static void ioport92_write(void *opaque, uint32_t addr, uint32_t val) |
291 | { | |
292 | cpu_x86_set_a20(cpu_single_env, (val >> 1) & 1); | |
293 | /* XXX: bit 0 is fast reset */ | |
294 | } | |
295 | ||
296 | static uint32_t ioport92_read(void *opaque, uint32_t addr) | |
297 | { | |
298 | return ((cpu_single_env->a20_mask >> 20) & 1) << 1; | |
299 | } | |
300 | ||
80cabfad FB |
301 | /***********************************************************/ |
302 | /* Bochs BIOS debug ports */ | |
303 | ||
b41a2cd1 | 304 | void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val) |
80cabfad | 305 | { |
a2f659ee FB |
306 | static const char shutdown_str[8] = "Shutdown"; |
307 | static int shutdown_index = 0; | |
308 | ||
80cabfad FB |
309 | switch(addr) { |
310 | /* Bochs BIOS messages */ | |
311 | case 0x400: | |
312 | case 0x401: | |
313 | fprintf(stderr, "BIOS panic at rombios.c, line %d\n", val); | |
314 | exit(1); | |
315 | case 0x402: | |
316 | case 0x403: | |
317 | #ifdef DEBUG_BIOS | |
318 | fprintf(stderr, "%c", val); | |
319 | #endif | |
320 | break; | |
a2f659ee FB |
321 | case 0x8900: |
322 | /* same as Bochs power off */ | |
323 | if (val == shutdown_str[shutdown_index]) { | |
324 | shutdown_index++; | |
325 | if (shutdown_index == 8) { | |
326 | shutdown_index = 0; | |
327 | qemu_system_shutdown_request(); | |
328 | } | |
329 | } else { | |
330 | shutdown_index = 0; | |
331 | } | |
332 | break; | |
80cabfad FB |
333 | |
334 | /* LGPL'ed VGA BIOS messages */ | |
335 | case 0x501: | |
336 | case 0x502: | |
337 | fprintf(stderr, "VGA BIOS panic, line %d\n", val); | |
338 | exit(1); | |
339 | case 0x500: | |
340 | case 0x503: | |
341 | #ifdef DEBUG_BIOS | |
342 | fprintf(stderr, "%c", val); | |
343 | #endif | |
344 | break; | |
345 | } | |
346 | } | |
347 | ||
348 | void bochs_bios_init(void) | |
349 | { | |
b41a2cd1 FB |
350 | register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL); |
351 | register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL); | |
352 | register_ioport_write(0x402, 1, 1, bochs_bios_write, NULL); | |
353 | register_ioport_write(0x403, 1, 1, bochs_bios_write, NULL); | |
a2f659ee | 354 | register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL); |
b41a2cd1 FB |
355 | |
356 | register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL); | |
357 | register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL); | |
358 | register_ioport_write(0x500, 1, 1, bochs_bios_write, NULL); | |
359 | register_ioport_write(0x503, 1, 1, bochs_bios_write, NULL); | |
80cabfad FB |
360 | } |
361 | ||
362 | ||
363 | int load_kernel(const char *filename, uint8_t *addr, | |
364 | uint8_t *real_addr) | |
365 | { | |
366 | int fd, size; | |
367 | int setup_sects; | |
368 | ||
096b7ea4 | 369 | fd = open(filename, O_RDONLY | O_BINARY); |
80cabfad FB |
370 | if (fd < 0) |
371 | return -1; | |
372 | ||
373 | /* load 16 bit code */ | |
374 | if (read(fd, real_addr, 512) != 512) | |
375 | goto fail; | |
376 | setup_sects = real_addr[0x1F1]; | |
377 | if (!setup_sects) | |
378 | setup_sects = 4; | |
379 | if (read(fd, real_addr + 512, setup_sects * 512) != | |
380 | setup_sects * 512) | |
381 | goto fail; | |
382 | ||
383 | /* load 32 bit code */ | |
384 | size = read(fd, addr, 16 * 1024 * 1024); | |
385 | if (size < 0) | |
386 | goto fail; | |
387 | close(fd); | |
388 | return size; | |
389 | fail: | |
390 | close(fd); | |
391 | return -1; | |
392 | } | |
393 | ||
b41a2cd1 FB |
394 | static const int ide_iobase[2] = { 0x1f0, 0x170 }; |
395 | static const int ide_iobase2[2] = { 0x3f6, 0x376 }; | |
396 | static const int ide_irq[2] = { 14, 15 }; | |
397 | ||
398 | #define NE2000_NB_MAX 6 | |
399 | ||
8d11df9e | 400 | static int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 }; |
b41a2cd1 FB |
401 | static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 }; |
402 | ||
8d11df9e FB |
403 | static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; |
404 | static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 }; | |
405 | ||
6508fe59 FB |
406 | static int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc }; |
407 | static int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 }; | |
408 | ||
80cabfad | 409 | /* PC hardware initialisation */ |
b5ff2d6e FB |
410 | static void pc_init1(int ram_size, int vga_ram_size, int boot_device, |
411 | DisplayState *ds, const char **fd_filename, int snapshot, | |
412 | const char *kernel_filename, const char *kernel_cmdline, | |
413 | const char *initrd_filename) | |
80cabfad FB |
414 | { |
415 | char buf[1024]; | |
82c643ff | 416 | int ret, linux_boot, initrd_size, i, nb_nics1; |
7587cf44 FB |
417 | unsigned long bios_offset, vga_bios_offset; |
418 | int bios_size, isa_bios_size; | |
46e50e9d FB |
419 | PCIBus *pci_bus; |
420 | ||
80cabfad FB |
421 | linux_boot = (kernel_filename != NULL); |
422 | ||
423 | /* allocate RAM */ | |
424 | cpu_register_physical_memory(0, ram_size, 0); | |
425 | ||
426 | /* BIOS load */ | |
7587cf44 FB |
427 | bios_offset = ram_size + vga_ram_size; |
428 | vga_bios_offset = bios_offset + 256 * 1024; | |
429 | ||
80cabfad | 430 | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME); |
7587cf44 FB |
431 | bios_size = get_image_size(buf); |
432 | if (bios_size <= 0 || | |
433 | (bios_size % 65536) != 0 || | |
434 | bios_size > (256 * 1024)) { | |
435 | goto bios_error; | |
436 | } | |
437 | ret = load_image(buf, phys_ram_base + bios_offset); | |
438 | if (ret != bios_size) { | |
439 | bios_error: | |
80cabfad FB |
440 | fprintf(stderr, "qemu: could not load PC bios '%s'\n", buf); |
441 | exit(1); | |
442 | } | |
7587cf44 | 443 | |
80cabfad | 444 | /* VGA BIOS load */ |
de9258a8 FB |
445 | if (cirrus_vga_enabled) { |
446 | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME); | |
447 | } else { | |
448 | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME); | |
449 | } | |
7587cf44 | 450 | ret = load_image(buf, phys_ram_base + vga_bios_offset); |
80cabfad FB |
451 | |
452 | /* setup basic memory access */ | |
7587cf44 FB |
453 | cpu_register_physical_memory(0xc0000, 0x10000, |
454 | vga_bios_offset | IO_MEM_ROM); | |
455 | ||
456 | /* map the last 128KB of the BIOS in ISA space */ | |
457 | isa_bios_size = bios_size; | |
458 | if (isa_bios_size > (128 * 1024)) | |
459 | isa_bios_size = 128 * 1024; | |
460 | cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size, | |
461 | IO_MEM_UNASSIGNED); | |
462 | cpu_register_physical_memory(0x100000 - isa_bios_size, | |
463 | isa_bios_size, | |
464 | (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM); | |
465 | /* map all the bios at the top of memory */ | |
466 | cpu_register_physical_memory((uint32_t)(-bios_size), | |
467 | bios_size, bios_offset | IO_MEM_ROM); | |
80cabfad FB |
468 | |
469 | bochs_bios_init(); | |
470 | ||
471 | if (linux_boot) { | |
472 | uint8_t bootsect[512]; | |
41b9be47 | 473 | uint8_t old_bootsect[512]; |
80cabfad FB |
474 | |
475 | if (bs_table[0] == NULL) { | |
476 | fprintf(stderr, "A disk image must be given for 'hda' when booting a Linux kernel\n"); | |
477 | exit(1); | |
478 | } | |
479 | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, LINUX_BOOT_FILENAME); | |
480 | ret = load_image(buf, bootsect); | |
481 | if (ret != sizeof(bootsect)) { | |
482 | fprintf(stderr, "qemu: could not load linux boot sector '%s'\n", | |
483 | buf); | |
484 | exit(1); | |
485 | } | |
486 | ||
41b9be47 FB |
487 | if (bdrv_read(bs_table[0], 0, old_bootsect, 1) >= 0) { |
488 | /* copy the MSDOS partition table */ | |
489 | memcpy(bootsect + 0x1be, old_bootsect + 0x1be, 0x40); | |
490 | } | |
491 | ||
80cabfad FB |
492 | bdrv_set_boot_sector(bs_table[0], bootsect, sizeof(bootsect)); |
493 | ||
494 | /* now we can load the kernel */ | |
495 | ret = load_kernel(kernel_filename, | |
496 | phys_ram_base + KERNEL_LOAD_ADDR, | |
497 | phys_ram_base + KERNEL_PARAMS_ADDR); | |
498 | if (ret < 0) { | |
499 | fprintf(stderr, "qemu: could not load kernel '%s'\n", | |
500 | kernel_filename); | |
501 | exit(1); | |
502 | } | |
503 | ||
504 | /* load initrd */ | |
505 | initrd_size = 0; | |
506 | if (initrd_filename) { | |
507 | initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR); | |
508 | if (initrd_size < 0) { | |
509 | fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", | |
510 | initrd_filename); | |
511 | exit(1); | |
512 | } | |
513 | } | |
514 | if (initrd_size > 0) { | |
515 | stl_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x218, INITRD_LOAD_ADDR); | |
516 | stl_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x21c, initrd_size); | |
517 | } | |
518 | pstrcpy(phys_ram_base + KERNEL_CMDLINE_ADDR, 4096, | |
519 | kernel_cmdline); | |
520 | stw_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x20, 0xA33F); | |
521 | stw_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x22, | |
522 | KERNEL_CMDLINE_ADDR - KERNEL_PARAMS_ADDR); | |
523 | /* loader type */ | |
524 | stw_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x210, 0x01); | |
525 | } | |
526 | ||
69b91039 | 527 | if (pci_enabled) { |
46e50e9d FB |
528 | pci_bus = i440fx_init(); |
529 | piix3_init(pci_bus); | |
530 | } else { | |
531 | pci_bus = NULL; | |
69b91039 FB |
532 | } |
533 | ||
80cabfad | 534 | /* init basic PC hardware */ |
b41a2cd1 | 535 | register_ioport_write(0x80, 1, 1, ioport80_write, NULL); |
80cabfad | 536 | |
f929aad6 FB |
537 | register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL); |
538 | ||
1f04275e FB |
539 | if (cirrus_vga_enabled) { |
540 | if (pci_enabled) { | |
46e50e9d FB |
541 | pci_cirrus_vga_init(pci_bus, |
542 | ds, phys_ram_base + ram_size, ram_size, | |
1f04275e FB |
543 | vga_ram_size); |
544 | } else { | |
545 | isa_cirrus_vga_init(ds, phys_ram_base + ram_size, ram_size, | |
546 | vga_ram_size); | |
547 | } | |
548 | } else { | |
46e50e9d | 549 | vga_initialize(pci_bus, ds, phys_ram_base + ram_size, ram_size, |
d5295253 | 550 | vga_ram_size, 0, 0); |
1f04275e | 551 | } |
80cabfad | 552 | |
b0a21b53 | 553 | rtc_state = rtc_init(0x70, 8); |
b41a2cd1 FB |
554 | register_ioport_read(0x61, 1, 1, speaker_ioport_read, NULL); |
555 | register_ioport_write(0x61, 1, 1, speaker_ioport_write, NULL); | |
80cabfad | 556 | |
e1a23744 FB |
557 | register_ioport_read(0x92, 1, 1, ioport92_read, NULL); |
558 | register_ioport_write(0x92, 1, 1, ioport92_write, NULL); | |
559 | ||
75598f61 FB |
560 | if (pci_enabled) |
561 | apic_init(cpu_single_env); | |
3de388f6 | 562 | isa_pic = pic_init(pic_irq_request, cpu_single_env); |
ec844b96 | 563 | pit = pit_init(0x40, 0); |
b41a2cd1 | 564 | |
8d11df9e FB |
565 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
566 | if (serial_hds[i]) { | |
567 | serial_init(serial_io[i], serial_irq[i], serial_hds[i]); | |
568 | } | |
569 | } | |
b41a2cd1 | 570 | |
6508fe59 FB |
571 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
572 | if (parallel_hds[i]) { | |
573 | parallel_init(parallel_io[i], parallel_irq[i], parallel_hds[i]); | |
574 | } | |
575 | } | |
576 | ||
69b91039 FB |
577 | if (pci_enabled) { |
578 | for(i = 0; i < nb_nics; i++) { | |
46e50e9d | 579 | pci_ne2000_init(pci_bus, &nd_table[i]); |
69b91039 | 580 | } |
46e50e9d | 581 | pci_piix3_ide_init(pci_bus, bs_table); |
69b91039 FB |
582 | } else { |
583 | nb_nics1 = nb_nics; | |
584 | if (nb_nics1 > NE2000_NB_MAX) | |
585 | nb_nics1 = NE2000_NB_MAX; | |
586 | for(i = 0; i < nb_nics1; i++) { | |
587 | isa_ne2000_init(ne2000_io[i], ne2000_irq[i], &nd_table[i]); | |
588 | } | |
b41a2cd1 | 589 | |
69b91039 FB |
590 | for(i = 0; i < 2; i++) { |
591 | isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i], | |
592 | bs_table[2 * i], bs_table[2 * i + 1]); | |
593 | } | |
b41a2cd1 | 594 | } |
69b91039 | 595 | |
80cabfad | 596 | kbd_init(); |
7c29d0c0 | 597 | DMA_init(0); |
67b915a5 | 598 | |
aaaa7df6 | 599 | if (audio_enabled) { |
aaaa7df6 | 600 | AUD_init(); |
fb065187 FB |
601 | #ifdef USE_SB16 |
602 | if (sb16_enabled) | |
603 | SB16_init (); | |
604 | #endif | |
605 | #ifdef CONFIG_ADLIB | |
606 | if (adlib_enabled) | |
607 | Adlib_init (); | |
608 | #endif | |
609 | #ifdef USE_GUS | |
610 | if (gus_enabled) | |
611 | GUS_init (); | |
612 | #endif | |
aaaa7df6 | 613 | } |
80cabfad | 614 | |
baca51fa | 615 | floppy_controller = fdctrl_init(6, 2, 0, 0x3f0, fd_table); |
b41a2cd1 | 616 | |
ba6c2377 | 617 | cmos_init(ram_size, boot_device, bs_table); |
69b91039 FB |
618 | |
619 | /* must be done after all PCI devices are instanciated */ | |
620 | /* XXX: should be done in the Bochs BIOS */ | |
621 | if (pci_enabled) { | |
622 | pci_bios_init(); | |
623 | } | |
80cabfad | 624 | } |
b5ff2d6e FB |
625 | |
626 | QEMUMachine pc_machine = { | |
627 | "pc", | |
628 | "Standard PC", | |
629 | pc_init1, | |
630 | }; |