pc.c 17.5 KB
Newer Older
B
bellard 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
/*
 * QEMU PC System Emulator
 * 
 * Copyright (c) 2003-2004 Fabrice Bellard
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include "vl.h"

B
bellard 已提交
26 27 28
/* output Bochs bios info messages */
//#define DEBUG_BIOS

B
bellard 已提交
29 30
#define BIOS_FILENAME "bios.bin"
#define VGABIOS_FILENAME "vgabios.bin"
B
bellard 已提交
31
#define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
B
bellard 已提交
32 33 34 35 36 37 38 39 40
#define LINUX_BOOT_FILENAME "linux_boot.bin"

#define KERNEL_LOAD_ADDR     0x00100000
#define INITRD_LOAD_ADDR     0x00400000
#define KERNEL_PARAMS_ADDR   0x00090000
#define KERNEL_CMDLINE_ADDR  0x00099000

int speaker_data_on;
int dummy_refresh_clock;
41
static fdctrl_t *floppy_controller;
B
bellard 已提交
42
static RTCState *rtc_state;
B
bellard 已提交
43
static PITState *pit;
B
bellard 已提交
44

B
bellard 已提交
45
static void ioport80_write(void *opaque, uint32_t addr, uint32_t data)
B
bellard 已提交
46 47 48
{
}

49 50 51 52 53 54 55 56 57 58 59 60
/* MSDOS compatibility mode FPU exception support */
/* XXX: add IGNNE support */
void cpu_set_ferr(CPUX86State *s)
{
    pic_set_irq(13, 1);
}

static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data)
{
    pic_set_irq(13, 0);
}

B
bellard 已提交
61 62 63 64 65 66 67
/* TSC handling */

uint64_t cpu_get_tsc(CPUX86State *env)
{
    return qemu_get_clock(vm_clock);
}

B
bellard 已提交
68 69
/* PC cmos mappings */

B
bellard 已提交
70
#define REG_EQUIPMENT_BYTE          0x14
B
bellard 已提交
71 72 73 74 75 76 77 78
#define REG_IBM_CENTURY_BYTE        0x32
#define REG_IBM_PS2_CENTURY_BYTE    0x37


static inline int to_bcd(RTCState *s, int a)
{
    return ((a / 10) << 4) | (a % 10);
}
B
bellard 已提交
79

80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103
static int cmos_get_fd_drive_type(int fd0)
{
    int val;

    switch (fd0) {
    case 0:
        /* 1.44 Mb 3"5 drive */
        val = 4;
        break;
    case 1:
        /* 2.88 Mb 3"5 drive */
        val = 5;
        break;
    case 2:
        /* 1.2 Mb 5"5 drive */
        val = 2;
        break;
    default:
        val = 0;
        break;
    }
    return val;
}

B
bellard 已提交
104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122
static void cmos_init_hd(int type_ofs, int info_ofs, BlockDriverState *hd) 
{
    RTCState *s = rtc_state;
    int cylinders, heads, sectors;
    bdrv_get_geometry_hint(hd, &cylinders, &heads, &sectors);
    rtc_set_memory(s, type_ofs, 47);
    rtc_set_memory(s, info_ofs, cylinders);
    rtc_set_memory(s, info_ofs + 1, cylinders >> 8);
    rtc_set_memory(s, info_ofs + 2, heads);
    rtc_set_memory(s, info_ofs + 3, 0xff);
    rtc_set_memory(s, info_ofs + 4, 0xff);
    rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3));
    rtc_set_memory(s, info_ofs + 6, cylinders);
    rtc_set_memory(s, info_ofs + 7, cylinders >> 8);
    rtc_set_memory(s, info_ofs + 8, sectors);
}

/* hd_table must contain 4 block drivers */
static void cmos_init(int ram_size, int boot_device, BlockDriverState **hd_table)
B
bellard 已提交
123
{
B
bellard 已提交
124
    RTCState *s = rtc_state;
B
bellard 已提交
125
    int val;
B
bellard 已提交
126
    int fd0, fd1, nb;
B
bellard 已提交
127 128
    time_t ti;
    struct tm *tm;
B
bellard 已提交
129
    int i;
B
bellard 已提交
130 131 132

    /* set the CMOS date */
    time(&ti);
B
bellard 已提交
133 134 135 136
    if (rtc_utc)
        tm = gmtime(&ti);
    else
        tm = localtime(&ti);
B
bellard 已提交
137 138 139 140 141
    rtc_set_date(s, tm);

    val = to_bcd(s, (tm->tm_year / 100) + 19);
    rtc_set_memory(s, REG_IBM_CENTURY_BYTE, val);
    rtc_set_memory(s, REG_IBM_PS2_CENTURY_BYTE, val);
B
bellard 已提交
142

B
bellard 已提交
143
    /* various important CMOS locations needed by PC/Bochs bios */
B
bellard 已提交
144 145

    /* memory size */
B
bellard 已提交
146 147 148 149
    val = 640; /* base memory in K */
    rtc_set_memory(s, 0x15, val);
    rtc_set_memory(s, 0x16, val >> 8);

B
bellard 已提交
150 151 152
    val = (ram_size / 1024) - 1024;
    if (val > 65535)
        val = 65535;
B
bellard 已提交
153 154 155 156
    rtc_set_memory(s, 0x17, val);
    rtc_set_memory(s, 0x18, val >> 8);
    rtc_set_memory(s, 0x30, val);
    rtc_set_memory(s, 0x31, val >> 8);
B
bellard 已提交
157

B
bellard 已提交
158 159 160 161
    if (ram_size > (16 * 1024 * 1024))
        val = (ram_size / 65536) - ((16 * 1024 * 1024) / 65536);
    else
        val = 0;
B
bellard 已提交
162 163
    if (val > 65535)
        val = 65535;
B
bellard 已提交
164 165
    rtc_set_memory(s, 0x34, val);
    rtc_set_memory(s, 0x35, val >> 8);
B
bellard 已提交
166 167 168 169
    
    switch(boot_device) {
    case 'a':
    case 'b':
B
bellard 已提交
170
        rtc_set_memory(s, 0x3d, 0x01); /* floppy boot */
B
bellard 已提交
171 172 173
        break;
    default:
    case 'c':
B
bellard 已提交
174
        rtc_set_memory(s, 0x3d, 0x02); /* hard drive boot */
B
bellard 已提交
175 176
        break;
    case 'd':
B
bellard 已提交
177
        rtc_set_memory(s, 0x3d, 0x03); /* CD-ROM boot */
B
bellard 已提交
178 179 180
        break;
    }

B
bellard 已提交
181 182
    /* floppy type */

183 184
    fd0 = fdctrl_get_drive_type(floppy_controller, 0);
    fd1 = fdctrl_get_drive_type(floppy_controller, 1);
B
bellard 已提交
185

186
    val = (cmos_get_fd_drive_type(fd0) << 4) | cmos_get_fd_drive_type(fd1);
B
bellard 已提交
187 188 189
    rtc_set_memory(s, 0x10, val);
    
    val = 0;
B
bellard 已提交
190
    nb = 0;
B
bellard 已提交
191 192 193 194 195 196 197 198
    if (fd0 < 3)
        nb++;
    if (fd1 < 3)
        nb++;
    switch (nb) {
    case 0:
        break;
    case 1:
B
bellard 已提交
199
        val |= 0x01; /* 1 drive, ready for boot */
B
bellard 已提交
200 201
        break;
    case 2:
B
bellard 已提交
202
        val |= 0x41; /* 2 drives, ready for boot */
B
bellard 已提交
203 204
        break;
    }
B
bellard 已提交
205 206 207 208
    val |= 0x02; /* FPU is there */
    val |= 0x04; /* PS/2 mouse installed */
    rtc_set_memory(s, REG_EQUIPMENT_BYTE, val);

B
bellard 已提交
209 210 211 212 213 214 215 216 217
    /* hard drives */

    rtc_set_memory(s, 0x12, (hd_table[0] ? 0xf0 : 0) | (hd_table[1] ? 0x0f : 0));
    if (hd_table[0])
        cmos_init_hd(0x19, 0x1b, hd_table[0]);
    if (hd_table[1]) 
        cmos_init_hd(0x1a, 0x24, hd_table[1]);

    val = 0;
B
bellard 已提交
218
    for (i = 0; i < 4; i++) {
B
bellard 已提交
219
        if (hd_table[i]) {
B
bellard 已提交
220 221 222 223 224 225 226 227 228 229 230 231 232 233 234
            int cylinders, heads, sectors, translation;
            /* NOTE: bdrv_get_geometry_hint() returns the physical
                geometry.  It is always such that: 1 <= sects <= 63, 1
                <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
                geometry can be different if a translation is done. */
            translation = bdrv_get_translation_hint(hd_table[i]);
            if (translation == BIOS_ATA_TRANSLATION_AUTO) {
                bdrv_get_geometry_hint(hd_table[i], &cylinders, &heads, &sectors);
                if (cylinders <= 1024 && heads <= 16 && sectors <= 63) {
                    /* No translation. */
                    translation = 0;
                } else {
                    /* LBA translation. */
                    translation = 1;
                }
B
bellard 已提交
235
            } else {
B
bellard 已提交
236
                translation--;
B
bellard 已提交
237 238 239
            }
            val |= translation << (i * 2);
        }
B
bellard 已提交
240
    }
B
bellard 已提交
241 242 243 244 245
    rtc_set_memory(s, 0x39, val);

    /* Disable check of 0x55AA signature on the last two bytes of
       first sector of disk. XXX: make it the default ? */
    //    rtc_set_memory(s, 0x38, 1);
B
bellard 已提交
246 247
}

B
bellard 已提交
248
static void speaker_ioport_write(void *opaque, uint32_t addr, uint32_t val)
B
bellard 已提交
249 250
{
    speaker_data_on = (val >> 1) & 1;
B
bellard 已提交
251
    pit_set_gate(pit, 2, val & 1);
B
bellard 已提交
252 253
}

B
bellard 已提交
254
static uint32_t speaker_ioport_read(void *opaque, uint32_t addr)
B
bellard 已提交
255 256
{
    int out;
B
bellard 已提交
257
    out = pit_get_out(pit, 2, qemu_get_clock(vm_clock));
B
bellard 已提交
258
    dummy_refresh_clock ^= 1;
B
bellard 已提交
259
    return (speaker_data_on << 1) | pit_get_gate(pit, 2) | (out << 5) |
B
bellard 已提交
260 261 262
      (dummy_refresh_clock << 4);
}

B
bellard 已提交
263 264 265 266 267 268 269 270 271 272 273
static void ioport92_write(void *opaque, uint32_t addr, uint32_t val)
{
    cpu_x86_set_a20(cpu_single_env, (val >> 1) & 1);
    /* XXX: bit 0 is fast reset */
}

static uint32_t ioport92_read(void *opaque, uint32_t addr)
{
    return ((cpu_single_env->a20_mask >> 20) & 1) << 1;
}

B
bellard 已提交
274 275 276
/***********************************************************/
/* Bochs BIOS debug ports */

B
bellard 已提交
277
void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
B
bellard 已提交
278
{
B
bellard 已提交
279 280 281
    static const char shutdown_str[8] = "Shutdown";
    static int shutdown_index = 0;
    
B
bellard 已提交
282 283 284 285 286 287 288 289 290 291 292 293
    switch(addr) {
        /* Bochs BIOS messages */
    case 0x400:
    case 0x401:
        fprintf(stderr, "BIOS panic at rombios.c, line %d\n", val);
        exit(1);
    case 0x402:
    case 0x403:
#ifdef DEBUG_BIOS
        fprintf(stderr, "%c", val);
#endif
        break;
B
bellard 已提交
294 295 296 297 298 299 300 301 302 303 304 305
    case 0x8900:
        /* same as Bochs power off */
        if (val == shutdown_str[shutdown_index]) {
            shutdown_index++;
            if (shutdown_index == 8) {
                shutdown_index = 0;
                qemu_system_shutdown_request();
            }
        } else {
            shutdown_index = 0;
        }
        break;
B
bellard 已提交
306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322

        /* LGPL'ed VGA BIOS messages */
    case 0x501:
    case 0x502:
        fprintf(stderr, "VGA BIOS panic, line %d\n", val);
        exit(1);
    case 0x500:
    case 0x503:
#ifdef DEBUG_BIOS
        fprintf(stderr, "%c", val);
#endif
        break;
    }
}

void bochs_bios_init(void)
{
B
bellard 已提交
323 324 325 326
    register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL);
    register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL);
    register_ioport_write(0x402, 1, 1, bochs_bios_write, NULL);
    register_ioport_write(0x403, 1, 1, bochs_bios_write, NULL);
B
bellard 已提交
327
    register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL);
B
bellard 已提交
328 329 330 331 332

    register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL);
    register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL);
    register_ioport_write(0x500, 1, 1, bochs_bios_write, NULL);
    register_ioport_write(0x503, 1, 1, bochs_bios_write, NULL);
B
bellard 已提交
333 334 335 336 337 338 339 340 341
}


int load_kernel(const char *filename, uint8_t *addr, 
                uint8_t *real_addr)
{
    int fd, size;
    int setup_sects;

B
bellard 已提交
342
    fd = open(filename, O_RDONLY | O_BINARY);
B
bellard 已提交
343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366
    if (fd < 0)
        return -1;

    /* load 16 bit code */
    if (read(fd, real_addr, 512) != 512)
        goto fail;
    setup_sects = real_addr[0x1F1];
    if (!setup_sects)
        setup_sects = 4;
    if (read(fd, real_addr + 512, setup_sects * 512) != 
        setup_sects * 512)
        goto fail;
    
    /* load 32 bit code */
    size = read(fd, addr, 16 * 1024 * 1024);
    if (size < 0)
        goto fail;
    close(fd);
    return size;
 fail:
    close(fd);
    return -1;
}

B
bellard 已提交
367 368 369 370 371 372
static const int ide_iobase[2] = { 0x1f0, 0x170 };
static const int ide_iobase2[2] = { 0x3f6, 0x376 };
static const int ide_irq[2] = { 14, 15 };

#define NE2000_NB_MAX 6

373
static int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
B
bellard 已提交
374 375
static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };

376 377 378
static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };

379 380 381
static int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
static int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };

B
bellard 已提交
382 383 384 385 386 387 388
/* PC hardware initialisation */
void pc_init(int ram_size, int vga_ram_size, int boot_device,
             DisplayState *ds, const char **fd_filename, int snapshot,
             const char *kernel_filename, const char *kernel_cmdline,
             const char *initrd_filename)
{
    char buf[1024];
B
bellard 已提交
389
    int ret, linux_boot, initrd_size, i, nb_nics1;
B
bellard 已提交
390 391
    unsigned long bios_offset, vga_bios_offset;
    int bios_size, isa_bios_size;
B
bellard 已提交
392 393
    PCIBus *pci_bus;
    
B
bellard 已提交
394 395 396 397 398 399
    linux_boot = (kernel_filename != NULL);

    /* allocate RAM */
    cpu_register_physical_memory(0, ram_size, 0);

    /* BIOS load */
B
bellard 已提交
400 401 402
    bios_offset = ram_size + vga_ram_size;
    vga_bios_offset = bios_offset + 256 * 1024;

B
bellard 已提交
403
    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
B
bellard 已提交
404 405 406 407 408 409 410 411 412
    bios_size = get_image_size(buf);
    if (bios_size <= 0 || 
        (bios_size % 65536) != 0 ||
        bios_size > (256 * 1024)) {
        goto bios_error;
    }
    ret = load_image(buf, phys_ram_base + bios_offset);
    if (ret != bios_size) {
    bios_error:
B
bellard 已提交
413 414 415
        fprintf(stderr, "qemu: could not load PC bios '%s'\n", buf);
        exit(1);
    }
B
bellard 已提交
416

B
bellard 已提交
417
    /* VGA BIOS load */
B
bellard 已提交
418 419 420 421 422
    if (cirrus_vga_enabled) {
        snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME);
    } else {
        snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
    }
B
bellard 已提交
423
    ret = load_image(buf, phys_ram_base + vga_bios_offset);
B
bellard 已提交
424 425
    
    /* setup basic memory access */
B
bellard 已提交
426 427 428 429 430 431 432 433 434 435 436 437 438 439 440
    cpu_register_physical_memory(0xc0000, 0x10000, 
                                 vga_bios_offset | IO_MEM_ROM);

    /* map the last 128KB of the BIOS in ISA space */
    isa_bios_size = bios_size;
    if (isa_bios_size > (128 * 1024))
        isa_bios_size = 128 * 1024;
    cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size, 
                                 IO_MEM_UNASSIGNED);
    cpu_register_physical_memory(0x100000 - isa_bios_size, 
                                 isa_bios_size, 
                                 (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);
    /* map all the bios at the top of memory */
    cpu_register_physical_memory((uint32_t)(-bios_size), 
                                 bios_size, bios_offset | IO_MEM_ROM);
B
bellard 已提交
441 442 443 444 445
    
    bochs_bios_init();

    if (linux_boot) {
        uint8_t bootsect[512];
446
        uint8_t old_bootsect[512];
B
bellard 已提交
447 448 449 450 451 452 453 454 455 456 457 458 459

        if (bs_table[0] == NULL) {
            fprintf(stderr, "A disk image must be given for 'hda' when booting a Linux kernel\n");
            exit(1);
        }
        snprintf(buf, sizeof(buf), "%s/%s", bios_dir, LINUX_BOOT_FILENAME);
        ret = load_image(buf, bootsect);
        if (ret != sizeof(bootsect)) {
            fprintf(stderr, "qemu: could not load linux boot sector '%s'\n",
                    buf);
            exit(1);
        }

460 461 462 463 464
        if (bdrv_read(bs_table[0], 0, old_bootsect, 1) >= 0) {
            /* copy the MSDOS partition table */
            memcpy(bootsect + 0x1be, old_bootsect + 0x1be, 0x40);
        }

B
bellard 已提交
465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499
        bdrv_set_boot_sector(bs_table[0], bootsect, sizeof(bootsect));

        /* now we can load the kernel */
        ret = load_kernel(kernel_filename, 
                          phys_ram_base + KERNEL_LOAD_ADDR,
                          phys_ram_base + KERNEL_PARAMS_ADDR);
        if (ret < 0) {
            fprintf(stderr, "qemu: could not load kernel '%s'\n", 
                    kernel_filename);
            exit(1);
        }
        
        /* load initrd */
        initrd_size = 0;
        if (initrd_filename) {
            initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
            if (initrd_size < 0) {
                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 
                        initrd_filename);
                exit(1);
            }
        }
        if (initrd_size > 0) {
            stl_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x218, INITRD_LOAD_ADDR);
            stl_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x21c, initrd_size);
        }
        pstrcpy(phys_ram_base + KERNEL_CMDLINE_ADDR, 4096,
                kernel_cmdline);
        stw_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x20, 0xA33F);
        stw_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x22,
                KERNEL_CMDLINE_ADDR - KERNEL_PARAMS_ADDR);
        /* loader type */
        stw_raw(phys_ram_base + KERNEL_PARAMS_ADDR + 0x210, 0x01);
    }

B
bellard 已提交
500
    if (pci_enabled) {
B
bellard 已提交
501 502 503 504
        pci_bus = i440fx_init();
        piix3_init(pci_bus);
    } else {
        pci_bus = NULL;
B
bellard 已提交
505 506
    }

B
bellard 已提交
507
    /* init basic PC hardware */
B
bellard 已提交
508
    register_ioport_write(0x80, 1, 1, ioport80_write, NULL);
B
bellard 已提交
509

510 511
    register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL);

B
bellard 已提交
512 513
    if (cirrus_vga_enabled) {
        if (pci_enabled) {
B
bellard 已提交
514 515
            pci_cirrus_vga_init(pci_bus, 
                                ds, phys_ram_base + ram_size, ram_size, 
B
bellard 已提交
516 517 518 519 520 521
                                vga_ram_size);
        } else {
            isa_cirrus_vga_init(ds, phys_ram_base + ram_size, ram_size, 
                                vga_ram_size);
        }
    } else {
B
bellard 已提交
522 523
        vga_initialize(pci_bus, ds, phys_ram_base + ram_size, ram_size, 
                       vga_ram_size);
B
bellard 已提交
524
    }
B
bellard 已提交
525

B
bellard 已提交
526
    rtc_state = rtc_init(0x70, 8);
B
bellard 已提交
527 528
    register_ioport_read(0x61, 1, 1, speaker_ioport_read, NULL);
    register_ioport_write(0x61, 1, 1, speaker_ioport_write, NULL);
B
bellard 已提交
529

B
bellard 已提交
530 531 532
    register_ioport_read(0x92, 1, 1, ioport92_read, NULL);
    register_ioport_write(0x92, 1, 1, ioport92_write, NULL);

B
bellard 已提交
533 534
    if (pci_enabled)
        apic_init(cpu_single_env);
B
bellard 已提交
535
    pic_init();
B
bellard 已提交
536
    pit = pit_init(0x40, 0);
B
bellard 已提交
537

538 539 540 541 542
    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
        if (serial_hds[i]) {
            serial_init(serial_io[i], serial_irq[i], serial_hds[i]);
        }
    }
B
bellard 已提交
543

544 545 546 547 548 549
    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
        if (parallel_hds[i]) {
            parallel_init(parallel_io[i], parallel_irq[i], parallel_hds[i]);
        }
    }

B
bellard 已提交
550 551
    if (pci_enabled) {
        for(i = 0; i < nb_nics; i++) {
B
bellard 已提交
552
            pci_ne2000_init(pci_bus, &nd_table[i]);
B
bellard 已提交
553
        }
B
bellard 已提交
554
        pci_piix3_ide_init(pci_bus, bs_table);
B
bellard 已提交
555 556 557 558 559 560 561
    } else {
        nb_nics1 = nb_nics;
        if (nb_nics1 > NE2000_NB_MAX)
            nb_nics1 = NE2000_NB_MAX;
        for(i = 0; i < nb_nics1; i++) {
            isa_ne2000_init(ne2000_io[i], ne2000_irq[i], &nd_table[i]);
        }
B
bellard 已提交
562

B
bellard 已提交
563 564 565 566
        for(i = 0; i < 2; i++) {
            isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
                         bs_table[2 * i], bs_table[2 * i + 1]);
        }
B
bellard 已提交
567
    }
B
bellard 已提交
568

B
bellard 已提交
569
    kbd_init();
B
bellard 已提交
570
    DMA_init(0);
B
bellard 已提交
571

B
bellard 已提交
572 573
    if (audio_enabled) {
        AUD_init();
B
bellard 已提交
574 575 576 577 578 579 580 581 582 583 584 585
#ifdef USE_SB16
        if (sb16_enabled)
            SB16_init ();
#endif
#ifdef CONFIG_ADLIB
        if (adlib_enabled)
            Adlib_init ();
#endif
#ifdef USE_GUS
        if (gus_enabled)
            GUS_init ();
#endif
B
bellard 已提交
586
    }
B
bellard 已提交
587

588
    floppy_controller = fdctrl_init(6, 2, 0, 0x3f0, fd_table);
B
bellard 已提交
589

B
bellard 已提交
590
    cmos_init(ram_size, boot_device, bs_table);
B
bellard 已提交
591 592 593 594 595 596

    /* must be done after all PCI devices are instanciated */
    /* XXX: should be done in the Bochs BIOS */
    if (pci_enabled) {
        pci_bios_init();
    }
B
bellard 已提交
597
}