Commit fc01f7e7f902ce96d985f44dc16f7c020b94f02b
1 parent
3b0dca51
IDE emulation
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@291 c046a42c-6fe2-441c-8c8c-71466251a162
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3 changed files
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900 additions
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86 deletions
block.c
0 → 100644
| 1 | +/* | |
| 2 | + * QEMU System Emulator block driver | |
| 3 | + * | |
| 4 | + * Copyright (c) 2003 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 | + */ | |
| 24 | +#include <stdlib.h> | |
| 25 | +#include <stdio.h> | |
| 26 | +#include <stdarg.h> | |
| 27 | +#include <string.h> | |
| 28 | +#include <getopt.h> | |
| 29 | +#include <inttypes.h> | |
| 30 | +#include <unistd.h> | |
| 31 | +#include <sys/mman.h> | |
| 32 | +#include <fcntl.h> | |
| 33 | +#include <signal.h> | |
| 34 | +#include <time.h> | |
| 35 | +#include <sys/time.h> | |
| 36 | +#include <malloc.h> | |
| 37 | +#include <termios.h> | |
| 38 | +#include <sys/poll.h> | |
| 39 | +#include <errno.h> | |
| 40 | +#include <sys/wait.h> | |
| 41 | + | |
| 42 | +#include "vl.h" | |
| 43 | + | |
| 44 | +struct BlockDriverState { | |
| 45 | + int fd; | |
| 46 | + int64_t total_sectors; | |
| 47 | +}; | |
| 48 | + | |
| 49 | +BlockDriverState *bdrv_open(const char *filename) | |
| 50 | +{ | |
| 51 | + BlockDriverState *bs; | |
| 52 | + int fd; | |
| 53 | + int64_t size; | |
| 54 | + | |
| 55 | + bs = malloc(sizeof(BlockDriverState)); | |
| 56 | + if(!bs) | |
| 57 | + return NULL; | |
| 58 | + fd = open(filename, O_RDWR); | |
| 59 | + if (fd < 0) { | |
| 60 | + close(fd); | |
| 61 | + free(bs); | |
| 62 | + return NULL; | |
| 63 | + } | |
| 64 | + size = lseek64(fd, 0, SEEK_END); | |
| 65 | + bs->total_sectors = size / 512; | |
| 66 | + bs->fd = fd; | |
| 67 | + return bs; | |
| 68 | +} | |
| 69 | + | |
| 70 | +void bdrv_close(BlockDriverState *bs) | |
| 71 | +{ | |
| 72 | + close(bs->fd); | |
| 73 | + free(bs); | |
| 74 | +} | |
| 75 | + | |
| 76 | +/* return -1 if error */ | |
| 77 | +int bdrv_read(BlockDriverState *bs, int64_t sector_num, | |
| 78 | + uint8_t *buf, int nb_sectors) | |
| 79 | +{ | |
| 80 | + int ret; | |
| 81 | + | |
| 82 | + lseek64(bs->fd, sector_num * 512, SEEK_SET); | |
| 83 | + ret = read(bs->fd, buf, nb_sectors * 512); | |
| 84 | + if (ret != nb_sectors * 512) | |
| 85 | + return -1; | |
| 86 | + else | |
| 87 | + return 0; | |
| 88 | +} | |
| 89 | + | |
| 90 | +/* return -1 if error */ | |
| 91 | +int bdrv_write(BlockDriverState *bs, int64_t sector_num, | |
| 92 | + const uint8_t *buf, int nb_sectors) | |
| 93 | +{ | |
| 94 | + int ret; | |
| 95 | + | |
| 96 | + lseek64(bs->fd, sector_num * 512, SEEK_SET); | |
| 97 | + ret = write(bs->fd, buf, nb_sectors * 512); | |
| 98 | + if (ret != nb_sectors * 512) | |
| 99 | + return -1; | |
| 100 | + else | |
| 101 | + return 0; | |
| 102 | +} | |
| 103 | + | |
| 104 | +void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr) | |
| 105 | +{ | |
| 106 | + *nb_sectors_ptr = bs->total_sectors; | |
| 107 | +} | ... | ... |
vl.c
| ... | ... | @@ -46,6 +46,9 @@ |
| 46 | 46 | |
| 47 | 47 | #include "cpu-i386.h" |
| 48 | 48 | #include "disas.h" |
| 49 | +#include "thunk.h" | |
| 50 | + | |
| 51 | +#include "vl.h" | |
| 49 | 52 | |
| 50 | 53 | #define DEBUG_LOGFILE "/tmp/vl.log" |
| 51 | 54 | #define DEFAULT_NETWORK_SCRIPT "/etc/vl-ifup" |
| ... | ... | @@ -175,17 +178,15 @@ struct __attribute__ ((packed)) linux_params { |
| 175 | 178 | typedef void (IOPortWriteFunc)(CPUX86State *env, uint32_t address, uint32_t data); |
| 176 | 179 | typedef uint32_t (IOPortReadFunc)(CPUX86State *env, uint32_t address); |
| 177 | 180 | |
| 178 | -#define MAX_IOPORTS 1024 | |
| 181 | +#define MAX_IOPORTS 4096 | |
| 179 | 182 | |
| 180 | 183 | char phys_ram_file[1024]; |
| 181 | 184 | CPUX86State *global_env; |
| 182 | 185 | CPUX86State *cpu_single_env; |
| 183 | 186 | FILE *logfile = NULL; |
| 184 | 187 | int loglevel; |
| 185 | -IOPortReadFunc *ioport_readb_table[MAX_IOPORTS]; | |
| 186 | -IOPortWriteFunc *ioport_writeb_table[MAX_IOPORTS]; | |
| 187 | -IOPortReadFunc *ioport_readw_table[MAX_IOPORTS]; | |
| 188 | -IOPortWriteFunc *ioport_writew_table[MAX_IOPORTS]; | |
| 188 | +IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; | |
| 189 | +IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
| 189 | 190 | |
| 190 | 191 | /***********************************************************/ |
| 191 | 192 | /* x86 io ports */ |
| ... | ... | @@ -195,7 +196,7 @@ uint32_t default_ioport_readb(CPUX86State *env, uint32_t address) |
| 195 | 196 | #ifdef DEBUG_UNUSED_IOPORT |
| 196 | 197 | fprintf(stderr, "inb: port=0x%04x\n", address); |
| 197 | 198 | #endif |
| 198 | - return 0; | |
| 199 | + return 0xff; | |
| 199 | 200 | } |
| 200 | 201 | |
| 201 | 202 | void default_ioport_writeb(CPUX86State *env, uint32_t address, uint32_t data) |
| ... | ... | @@ -209,62 +210,79 @@ void default_ioport_writeb(CPUX86State *env, uint32_t address, uint32_t data) |
| 209 | 210 | uint32_t default_ioport_readw(CPUX86State *env, uint32_t address) |
| 210 | 211 | { |
| 211 | 212 | uint32_t data; |
| 212 | - data = ioport_readb_table[address](env, address); | |
| 213 | - data |= ioport_readb_table[address + 1](env, address + 1) << 8; | |
| 213 | + data = ioport_read_table[0][address](env, address); | |
| 214 | + data |= ioport_read_table[0][address + 1](env, address + 1) << 8; | |
| 214 | 215 | return data; |
| 215 | 216 | } |
| 216 | 217 | |
| 217 | 218 | void default_ioport_writew(CPUX86State *env, uint32_t address, uint32_t data) |
| 218 | 219 | { |
| 219 | - ioport_writeb_table[address](env, address, data & 0xff); | |
| 220 | - ioport_writeb_table[address + 1](env, address + 1, (data >> 8) & 0xff); | |
| 220 | + ioport_write_table[0][address](env, address, data & 0xff); | |
| 221 | + ioport_write_table[0][address + 1](env, address + 1, (data >> 8) & 0xff); | |
| 221 | 222 | } |
| 222 | 223 | |
| 223 | -void init_ioports(void) | |
| 224 | +uint32_t default_ioport_readl(CPUX86State *env, uint32_t address) | |
| 224 | 225 | { |
| 225 | - int i; | |
| 226 | - | |
| 227 | - for(i = 0; i < MAX_IOPORTS; i++) { | |
| 228 | - ioport_readb_table[i] = default_ioport_readb; | |
| 229 | - ioport_writeb_table[i] = default_ioport_writeb; | |
| 230 | - ioport_readw_table[i] = default_ioport_readw; | |
| 231 | - ioport_writew_table[i] = default_ioport_writew; | |
| 232 | - } | |
| 226 | +#ifdef DEBUG_UNUSED_IOPORT | |
| 227 | + fprintf(stderr, "inl: port=0x%04x\n", address); | |
| 228 | +#endif | |
| 229 | + return 0xffffffff; | |
| 233 | 230 | } |
| 234 | 231 | |
| 235 | -int register_ioport_readb(int start, int length, IOPortReadFunc *func) | |
| 232 | +void default_ioport_writel(CPUX86State *env, uint32_t address, uint32_t data) | |
| 236 | 233 | { |
| 237 | - int i; | |
| 238 | - | |
| 239 | - for(i = start; i < start + length; i++) | |
| 240 | - ioport_readb_table[i] = func; | |
| 241 | - return 0; | |
| 234 | +#ifdef DEBUG_UNUSED_IOPORT | |
| 235 | + fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
| 236 | +#endif | |
| 242 | 237 | } |
| 243 | 238 | |
| 244 | -int register_ioport_writeb(int start, int length, IOPortWriteFunc *func) | |
| 239 | +void init_ioports(void) | |
| 245 | 240 | { |
| 246 | 241 | int i; |
| 247 | 242 | |
| 248 | - for(i = start; i < start + length; i++) | |
| 249 | - ioport_writeb_table[i] = func; | |
| 250 | - return 0; | |
| 243 | + for(i = 0; i < MAX_IOPORTS; i++) { | |
| 244 | + ioport_read_table[0][i] = default_ioport_readb; | |
| 245 | + ioport_write_table[0][i] = default_ioport_writeb; | |
| 246 | + ioport_read_table[1][i] = default_ioport_readw; | |
| 247 | + ioport_write_table[1][i] = default_ioport_writew; | |
| 248 | + ioport_read_table[2][i] = default_ioport_readl; | |
| 249 | + ioport_write_table[2][i] = default_ioport_writel; | |
| 250 | + } | |
| 251 | 251 | } |
| 252 | 252 | |
| 253 | -int register_ioport_readw(int start, int length, IOPortReadFunc *func) | |
| 253 | +/* size is the word size in byte */ | |
| 254 | +int register_ioport_read(int start, int length, IOPortReadFunc *func, int size) | |
| 254 | 255 | { |
| 255 | - int i; | |
| 256 | + int i, bsize; | |
| 256 | 257 | |
| 257 | - for(i = start; i < start + length; i += 2) | |
| 258 | - ioport_readw_table[i] = func; | |
| 258 | + if (size == 1) | |
| 259 | + bsize = 0; | |
| 260 | + else if (size == 2) | |
| 261 | + bsize = 1; | |
| 262 | + else if (size == 4) | |
| 263 | + bsize = 2; | |
| 264 | + else | |
| 265 | + return -1; | |
| 266 | + for(i = start; i < start + length; i += size) | |
| 267 | + ioport_read_table[bsize][i] = func; | |
| 259 | 268 | return 0; |
| 260 | 269 | } |
| 261 | 270 | |
| 262 | -int register_ioport_writew(int start, int length, IOPortWriteFunc *func) | |
| 271 | +/* size is the word size in byte */ | |
| 272 | +int register_ioport_write(int start, int length, IOPortWriteFunc *func, int size) | |
| 263 | 273 | { |
| 264 | - int i; | |
| 274 | + int i, bsize; | |
| 265 | 275 | |
| 266 | - for(i = start; i < start + length; i += 2) | |
| 267 | - ioport_writew_table[i] = func; | |
| 276 | + if (size == 1) | |
| 277 | + bsize = 0; | |
| 278 | + else if (size == 2) | |
| 279 | + bsize = 1; | |
| 280 | + else if (size == 4) | |
| 281 | + bsize = 2; | |
| 282 | + else | |
| 283 | + return -1; | |
| 284 | + for(i = start; i < start + length; i += size) | |
| 285 | + ioport_write_table[bsize][i] = func; | |
| 268 | 286 | return 0; |
| 269 | 287 | } |
| 270 | 288 | |
| ... | ... | @@ -339,33 +357,32 @@ int load_image(const char *filename, uint8_t *addr) |
| 339 | 357 | |
| 340 | 358 | void cpu_x86_outb(CPUX86State *env, int addr, int val) |
| 341 | 359 | { |
| 342 | - ioport_writeb_table[addr & (MAX_IOPORTS - 1)](env, addr, val); | |
| 360 | + ioport_write_table[0][addr & (MAX_IOPORTS - 1)](env, addr, val); | |
| 343 | 361 | } |
| 344 | 362 | |
| 345 | 363 | void cpu_x86_outw(CPUX86State *env, int addr, int val) |
| 346 | 364 | { |
| 347 | - ioport_writew_table[addr & (MAX_IOPORTS - 1)](env, addr, val); | |
| 365 | + ioport_write_table[1][addr & (MAX_IOPORTS - 1)](env, addr, val); | |
| 348 | 366 | } |
| 349 | 367 | |
| 350 | 368 | void cpu_x86_outl(CPUX86State *env, int addr, int val) |
| 351 | 369 | { |
| 352 | - fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val); | |
| 370 | + ioport_write_table[2][addr & (MAX_IOPORTS - 1)](env, addr, val); | |
| 353 | 371 | } |
| 354 | 372 | |
| 355 | 373 | int cpu_x86_inb(CPUX86State *env, int addr) |
| 356 | 374 | { |
| 357 | - return ioport_readb_table[addr & (MAX_IOPORTS - 1)](env, addr); | |
| 375 | + return ioport_read_table[0][addr & (MAX_IOPORTS - 1)](env, addr); | |
| 358 | 376 | } |
| 359 | 377 | |
| 360 | 378 | int cpu_x86_inw(CPUX86State *env, int addr) |
| 361 | 379 | { |
| 362 | - return ioport_readw_table[addr & (MAX_IOPORTS - 1)](env, addr); | |
| 380 | + return ioport_read_table[1][addr & (MAX_IOPORTS - 1)](env, addr); | |
| 363 | 381 | } |
| 364 | 382 | |
| 365 | 383 | int cpu_x86_inl(CPUX86State *env, int addr) |
| 366 | 384 | { |
| 367 | - fprintf(stderr, "inl: port=0x%04x\n", addr); | |
| 368 | - return 0; | |
| 385 | + return ioport_read_table[2][addr & (MAX_IOPORTS - 1)](env, addr); | |
| 369 | 386 | } |
| 370 | 387 | |
| 371 | 388 | /***********************************************************/ |
| ... | ... | @@ -511,8 +528,8 @@ void cmos_init(void) |
| 511 | 528 | |
| 512 | 529 | cmos_data[REG_EQUIPMENT_BYTE] = 0x02; /* FPU is there */ |
| 513 | 530 | |
| 514 | - register_ioport_writeb(0x70, 2, cmos_ioport_write); | |
| 515 | - register_ioport_readb(0x70, 2, cmos_ioport_read); | |
| 531 | + register_ioport_write(0x70, 2, cmos_ioport_write, 1); | |
| 532 | + register_ioport_read(0x70, 2, cmos_ioport_read, 1); | |
| 516 | 533 | } |
| 517 | 534 | |
| 518 | 535 | /***********************************************************/ |
| ... | ... | @@ -726,10 +743,10 @@ uint32_t pic_ioport_read(CPUX86State *env, uint32_t addr) |
| 726 | 743 | |
| 727 | 744 | void pic_init(void) |
| 728 | 745 | { |
| 729 | - register_ioport_writeb(0x20, 2, pic_ioport_write); | |
| 730 | - register_ioport_readb(0x20, 2, pic_ioport_read); | |
| 731 | - register_ioport_writeb(0xa0, 2, pic_ioport_write); | |
| 732 | - register_ioport_readb(0xa0, 2, pic_ioport_read); | |
| 746 | + register_ioport_write(0x20, 2, pic_ioport_write, 1); | |
| 747 | + register_ioport_read(0x20, 2, pic_ioport_read, 1); | |
| 748 | + register_ioport_write(0xa0, 2, pic_ioport_write, 1); | |
| 749 | + register_ioport_read(0xa0, 2, pic_ioport_read, 1); | |
| 733 | 750 | } |
| 734 | 751 | |
| 735 | 752 | /***********************************************************/ |
| ... | ... | @@ -1031,11 +1048,11 @@ void pit_init(void) |
| 1031 | 1048 | pit_load_count(s, 0); |
| 1032 | 1049 | } |
| 1033 | 1050 | |
| 1034 | - register_ioport_writeb(0x40, 4, pit_ioport_write); | |
| 1035 | - register_ioport_readb(0x40, 3, pit_ioport_read); | |
| 1051 | + register_ioport_write(0x40, 4, pit_ioport_write, 1); | |
| 1052 | + register_ioport_read(0x40, 3, pit_ioport_read, 1); | |
| 1036 | 1053 | |
| 1037 | - register_ioport_readb(0x61, 1, speaker_ioport_read); | |
| 1038 | - register_ioport_writeb(0x61, 1, speaker_ioport_write); | |
| 1054 | + register_ioport_read(0x61, 1, speaker_ioport_read, 1); | |
| 1055 | + register_ioport_write(0x61, 1, speaker_ioport_write, 1); | |
| 1039 | 1056 | } |
| 1040 | 1057 | |
| 1041 | 1058 | /***********************************************************/ |
| ... | ... | @@ -1277,8 +1294,8 @@ void serial_init(void) |
| 1277 | 1294 | |
| 1278 | 1295 | s->lsr = UART_LSR_TEMT | UART_LSR_THRE; |
| 1279 | 1296 | |
| 1280 | - register_ioport_writeb(0x3f8, 8, serial_ioport_write); | |
| 1281 | - register_ioport_readb(0x3f8, 8, serial_ioport_read); | |
| 1297 | + register_ioport_write(0x3f8, 8, serial_ioport_write, 1); | |
| 1298 | + register_ioport_read(0x3f8, 8, serial_ioport_read, 1); | |
| 1282 | 1299 | |
| 1283 | 1300 | term_init(); |
| 1284 | 1301 | } |
| ... | ... | @@ -1444,7 +1461,7 @@ int net_init(void) |
| 1444 | 1461 | close(fd); |
| 1445 | 1462 | return -1; |
| 1446 | 1463 | } |
| 1447 | - printf("connected to host network interface: %s\n", ifr.ifr_name); | |
| 1464 | + printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
| 1448 | 1465 | fcntl(fd, F_SETFL, O_NONBLOCK); |
| 1449 | 1466 | net_fd = fd; |
| 1450 | 1467 | |
| ... | ... | @@ -1739,20 +1756,625 @@ uint32_t ne2000_reset_ioport_read(CPUX86State *env, uint32_t addr) |
| 1739 | 1756 | |
| 1740 | 1757 | void ne2000_init(void) |
| 1741 | 1758 | { |
| 1742 | - register_ioport_writeb(NE2000_IOPORT, 16, ne2000_ioport_write); | |
| 1743 | - register_ioport_readb(NE2000_IOPORT, 16, ne2000_ioport_read); | |
| 1759 | + register_ioport_write(NE2000_IOPORT, 16, ne2000_ioport_write, 1); | |
| 1760 | + register_ioport_read(NE2000_IOPORT, 16, ne2000_ioport_read, 1); | |
| 1744 | 1761 | |
| 1745 | - register_ioport_writeb(NE2000_IOPORT + 0x10, 1, ne2000_asic_ioport_write); | |
| 1746 | - register_ioport_readb(NE2000_IOPORT + 0x10, 1, ne2000_asic_ioport_read); | |
| 1747 | - register_ioport_writew(NE2000_IOPORT + 0x10, 2, ne2000_asic_ioport_write); | |
| 1748 | - register_ioport_readw(NE2000_IOPORT + 0x10, 2, ne2000_asic_ioport_read); | |
| 1762 | + register_ioport_write(NE2000_IOPORT + 0x10, 1, ne2000_asic_ioport_write, 1); | |
| 1763 | + register_ioport_read(NE2000_IOPORT + 0x10, 1, ne2000_asic_ioport_read, 1); | |
| 1764 | + register_ioport_write(NE2000_IOPORT + 0x10, 2, ne2000_asic_ioport_write, 2); | |
| 1765 | + register_ioport_read(NE2000_IOPORT + 0x10, 2, ne2000_asic_ioport_read, 2); | |
| 1749 | 1766 | |
| 1750 | - register_ioport_writeb(NE2000_IOPORT + 0x1f, 1, ne2000_reset_ioport_write); | |
| 1751 | - register_ioport_readb(NE2000_IOPORT + 0x1f, 1, ne2000_reset_ioport_read); | |
| 1767 | + register_ioport_write(NE2000_IOPORT + 0x1f, 1, ne2000_reset_ioport_write, 1); | |
| 1768 | + register_ioport_read(NE2000_IOPORT + 0x1f, 1, ne2000_reset_ioport_read, 1); | |
| 1752 | 1769 | ne2000_reset(); |
| 1753 | 1770 | } |
| 1754 | 1771 | |
| 1755 | 1772 | /***********************************************************/ |
| 1773 | +/* ide emulation */ | |
| 1774 | + | |
| 1775 | +//#define DEBUG_IDE | |
| 1776 | + | |
| 1777 | +/* Bits of HD_STATUS */ | |
| 1778 | +#define ERR_STAT 0x01 | |
| 1779 | +#define INDEX_STAT 0x02 | |
| 1780 | +#define ECC_STAT 0x04 /* Corrected error */ | |
| 1781 | +#define DRQ_STAT 0x08 | |
| 1782 | +#define SEEK_STAT 0x10 | |
| 1783 | +#define SRV_STAT 0x10 | |
| 1784 | +#define WRERR_STAT 0x20 | |
| 1785 | +#define READY_STAT 0x40 | |
| 1786 | +#define BUSY_STAT 0x80 | |
| 1787 | + | |
| 1788 | +/* Bits for HD_ERROR */ | |
| 1789 | +#define MARK_ERR 0x01 /* Bad address mark */ | |
| 1790 | +#define TRK0_ERR 0x02 /* couldn't find track 0 */ | |
| 1791 | +#define ABRT_ERR 0x04 /* Command aborted */ | |
| 1792 | +#define MCR_ERR 0x08 /* media change request */ | |
| 1793 | +#define ID_ERR 0x10 /* ID field not found */ | |
| 1794 | +#define MC_ERR 0x20 /* media changed */ | |
| 1795 | +#define ECC_ERR 0x40 /* Uncorrectable ECC error */ | |
| 1796 | +#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ | |
| 1797 | +#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ | |
| 1798 | + | |
| 1799 | +/* Bits of HD_NSECTOR */ | |
| 1800 | +#define CD 0x01 | |
| 1801 | +#define IO 0x02 | |
| 1802 | +#define REL 0x04 | |
| 1803 | +#define TAG_MASK 0xf8 | |
| 1804 | + | |
| 1805 | +#define IDE_CMD_RESET 0x04 | |
| 1806 | +#define IDE_CMD_DISABLE_IRQ 0x02 | |
| 1807 | + | |
| 1808 | +/* ATA/ATAPI Commands pre T13 Spec */ | |
| 1809 | +#define WIN_NOP 0x00 | |
| 1810 | +/* | |
| 1811 | + * 0x01->0x02 Reserved | |
| 1812 | + */ | |
| 1813 | +#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ | |
| 1814 | +/* | |
| 1815 | + * 0x04->0x07 Reserved | |
| 1816 | + */ | |
| 1817 | +#define WIN_SRST 0x08 /* ATAPI soft reset command */ | |
| 1818 | +#define WIN_DEVICE_RESET 0x08 | |
| 1819 | +/* | |
| 1820 | + * 0x09->0x0F Reserved | |
| 1821 | + */ | |
| 1822 | +#define WIN_RECAL 0x10 | |
| 1823 | +#define WIN_RESTORE WIN_RECAL | |
| 1824 | +/* | |
| 1825 | + * 0x10->0x1F Reserved | |
| 1826 | + */ | |
| 1827 | +#define WIN_READ 0x20 /* 28-Bit */ | |
| 1828 | +#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */ | |
| 1829 | +#define WIN_READ_LONG 0x22 /* 28-Bit */ | |
| 1830 | +#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */ | |
| 1831 | +#define WIN_READ_EXT 0x24 /* 48-Bit */ | |
| 1832 | +#define WIN_READDMA_EXT 0x25 /* 48-Bit */ | |
| 1833 | +#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */ | |
| 1834 | +#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ | |
| 1835 | +/* | |
| 1836 | + * 0x28 | |
| 1837 | + */ | |
| 1838 | +#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ | |
| 1839 | +/* | |
| 1840 | + * 0x2A->0x2F Reserved | |
| 1841 | + */ | |
| 1842 | +#define WIN_WRITE 0x30 /* 28-Bit */ | |
| 1843 | +#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */ | |
| 1844 | +#define WIN_WRITE_LONG 0x32 /* 28-Bit */ | |
| 1845 | +#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */ | |
| 1846 | +#define WIN_WRITE_EXT 0x34 /* 48-Bit */ | |
| 1847 | +#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ | |
| 1848 | +#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ | |
| 1849 | +#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ | |
| 1850 | +#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ | |
| 1851 | +#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ | |
| 1852 | +/* | |
| 1853 | + * 0x3A->0x3B Reserved | |
| 1854 | + */ | |
| 1855 | +#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */ | |
| 1856 | +/* | |
| 1857 | + * 0x3D->0x3F Reserved | |
| 1858 | + */ | |
| 1859 | +#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ | |
| 1860 | +#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */ | |
| 1861 | +#define WIN_VERIFY_EXT 0x42 /* 48-Bit */ | |
| 1862 | +/* | |
| 1863 | + * 0x43->0x4F Reserved | |
| 1864 | + */ | |
| 1865 | +#define WIN_FORMAT 0x50 | |
| 1866 | +/* | |
| 1867 | + * 0x51->0x5F Reserved | |
| 1868 | + */ | |
| 1869 | +#define WIN_INIT 0x60 | |
| 1870 | +/* | |
| 1871 | + * 0x61->0x5F Reserved | |
| 1872 | + */ | |
| 1873 | +#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */ | |
| 1874 | +#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ | |
| 1875 | +#define WIN_DIAGNOSE 0x90 | |
| 1876 | +#define WIN_SPECIFY 0x91 /* set drive geometry translation */ | |
| 1877 | +#define WIN_DOWNLOAD_MICROCODE 0x92 | |
| 1878 | +#define WIN_STANDBYNOW2 0x94 | |
| 1879 | +#define WIN_STANDBY2 0x96 | |
| 1880 | +#define WIN_SETIDLE2 0x97 | |
| 1881 | +#define WIN_CHECKPOWERMODE2 0x98 | |
| 1882 | +#define WIN_SLEEPNOW2 0x99 | |
| 1883 | +/* | |
| 1884 | + * 0x9A VENDOR | |
| 1885 | + */ | |
| 1886 | +#define WIN_PACKETCMD 0xA0 /* Send a packet command. */ | |
| 1887 | +#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ | |
| 1888 | +#define WIN_QUEUED_SERVICE 0xA2 | |
| 1889 | +#define WIN_SMART 0xB0 /* self-monitoring and reporting */ | |
| 1890 | +#define CFA_ERASE_SECTORS 0xC0 | |
| 1891 | +#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ | |
| 1892 | +#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ | |
| 1893 | +#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ | |
| 1894 | +#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ | |
| 1895 | +#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ | |
| 1896 | +#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */ | |
| 1897 | +#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ | |
| 1898 | +#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */ | |
| 1899 | +#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ | |
| 1900 | +#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ | |
| 1901 | +#define WIN_GETMEDIASTATUS 0xDA | |
| 1902 | +#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */ | |
| 1903 | +#define WIN_POSTBOOT 0xDC | |
| 1904 | +#define WIN_PREBOOT 0xDD | |
| 1905 | +#define WIN_DOORLOCK 0xDE /* lock door on removable drives */ | |
| 1906 | +#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ | |
| 1907 | +#define WIN_STANDBYNOW1 0xE0 | |
| 1908 | +#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ | |
| 1909 | +#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ | |
| 1910 | +#define WIN_SETIDLE1 0xE3 | |
| 1911 | +#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ | |
| 1912 | +#define WIN_CHECKPOWERMODE1 0xE5 | |
| 1913 | +#define WIN_SLEEPNOW1 0xE6 | |
| 1914 | +#define WIN_FLUSH_CACHE 0xE7 | |
| 1915 | +#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ | |
| 1916 | +#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */ | |
| 1917 | + /* SET_FEATURES 0x22 or 0xDD */ | |
| 1918 | +#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ | |
| 1919 | +#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ | |
| 1920 | +#define WIN_MEDIAEJECT 0xED | |
| 1921 | +#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ | |
| 1922 | +#define WIN_SETFEATURES 0xEF /* set special drive features */ | |
| 1923 | +#define EXABYTE_ENABLE_NEST 0xF0 | |
| 1924 | +#define WIN_SECURITY_SET_PASS 0xF1 | |
| 1925 | +#define WIN_SECURITY_UNLOCK 0xF2 | |
| 1926 | +#define WIN_SECURITY_ERASE_PREPARE 0xF3 | |
| 1927 | +#define WIN_SECURITY_ERASE_UNIT 0xF4 | |
| 1928 | +#define WIN_SECURITY_FREEZE_LOCK 0xF5 | |
| 1929 | +#define WIN_SECURITY_DISABLE 0xF6 | |
| 1930 | +#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ | |
| 1931 | +#define WIN_SET_MAX 0xF9 | |
| 1932 | +#define DISABLE_SEAGATE 0xFB | |
| 1933 | + | |
| 1934 | +#define MAX_MULT_SECTORS 16 | |
| 1935 | + | |
| 1936 | +#define MAX_DISKS 2 | |
| 1937 | + | |
| 1938 | +struct IDEState; | |
| 1939 | + | |
| 1940 | +typedef void EndTransferFunc(struct IDEState *); | |
| 1941 | + | |
| 1942 | +typedef struct IDEState { | |
| 1943 | + /* ide config */ | |
| 1944 | + int cylinders, heads, sectors; | |
| 1945 | + int64_t nb_sectors; | |
| 1946 | + int mult_sectors; | |
| 1947 | + int irq; | |
| 1948 | + /* ide regs */ | |
| 1949 | + uint8_t feature; | |
| 1950 | + uint8_t error; | |
| 1951 | + uint8_t nsector; | |
| 1952 | + uint8_t sector; | |
| 1953 | + uint8_t lcyl; | |
| 1954 | + uint8_t hcyl; | |
| 1955 | + uint8_t select; | |
| 1956 | + uint8_t status; | |
| 1957 | + /* 0x3f6 command, only meaningful for drive 0 */ | |
| 1958 | + uint8_t cmd; | |
| 1959 | + /* depends on bit 4 in select, only meaningful for drive 0 */ | |
| 1960 | + struct IDEState *cur_drive; | |
| 1961 | + BlockDriverState *bs; | |
| 1962 | + EndTransferFunc *end_transfer_func; | |
| 1963 | + uint8_t *data_ptr; | |
| 1964 | + uint8_t *data_end; | |
| 1965 | + uint8_t io_buffer[MAX_MULT_SECTORS*512 + 4]; | |
| 1966 | +} IDEState; | |
| 1967 | + | |
| 1968 | +BlockDriverState *bs_table[MAX_DISKS]; | |
| 1969 | +IDEState ide_state[MAX_DISKS]; | |
| 1970 | + | |
| 1971 | +static void padstr(char *str, const char *src, int len) | |
| 1972 | +{ | |
| 1973 | + int i, v; | |
| 1974 | + for(i = 0; i < len; i++) { | |
| 1975 | + if (*src) | |
| 1976 | + v = *src++; | |
| 1977 | + else | |
| 1978 | + v = ' '; | |
| 1979 | + *(char *)((long)str ^ 1) = v; | |
| 1980 | + str++; | |
| 1981 | + } | |
| 1982 | +} | |
| 1983 | + | |
| 1984 | +static void ide_identify(IDEState *s) | |
| 1985 | +{ | |
| 1986 | + uint16_t *p; | |
| 1987 | + unsigned int oldsize; | |
| 1988 | + | |
| 1989 | + memset(s->io_buffer, 0, 512); | |
| 1990 | + p = (uint16_t *)s->io_buffer; | |
| 1991 | + stw(p + 0, 0x0040); | |
| 1992 | + stw(p + 1, s->cylinders); | |
| 1993 | + stw(p + 3, s->heads); | |
| 1994 | + stw(p + 4, 512 * s->sectors); /* sectors */ | |
| 1995 | + stw(p + 5, 512); /* sector size */ | |
| 1996 | + stw(p + 6, s->sectors); | |
| 1997 | + stw(p + 20, 3); /* buffer type */ | |
| 1998 | + stw(p + 21, 512); /* cache size in sectors */ | |
| 1999 | + stw(p + 22, 4); /* ecc bytes */ | |
| 2000 | + padstr((uint8_t *)(p + 27), "QEMU HARDDISK", 40); | |
| 2001 | + // stw(p + 47, MAX_MULT_SECTORS); | |
| 2002 | + stw(p + 48, 1); /* dword I/O */ | |
| 2003 | + stw(p + 49, 1 << 9); /* LBA supported, no DMA */ | |
| 2004 | + stw(p + 51, 0x200); /* PIO transfer cycle */ | |
| 2005 | + stw(p + 52, 0x200); /* DMA transfer cycle */ | |
| 2006 | + stw(p + 54, s->cylinders); | |
| 2007 | + stw(p + 55, s->heads); | |
| 2008 | + stw(p + 56, s->sectors); | |
| 2009 | + oldsize = s->cylinders * s->heads * s->sectors; | |
| 2010 | + stw(p + 57, oldsize); | |
| 2011 | + stw(p + 58, oldsize >> 16); | |
| 2012 | + if (s->mult_sectors) | |
| 2013 | + stw(p + 59, 0x100 | s->mult_sectors); | |
| 2014 | + stw(p + 60, s->nb_sectors); | |
| 2015 | + stw(p + 61, s->nb_sectors >> 16); | |
| 2016 | + stw(p + 80, (1 << 1) | (1 << 2)); | |
| 2017 | + stw(p + 82, (1 << 14)); | |
| 2018 | + stw(p + 83, (1 << 14)); | |
| 2019 | + stw(p + 84, (1 << 14)); | |
| 2020 | + stw(p + 85, (1 << 14)); | |
| 2021 | + stw(p + 86, 0); | |
| 2022 | + stw(p + 87, (1 << 14)); | |
| 2023 | +} | |
| 2024 | + | |
| 2025 | +static inline void ide_abort_command(IDEState *s) | |
| 2026 | +{ | |
| 2027 | + s->status = READY_STAT | ERR_STAT; | |
| 2028 | + s->error = ABRT_ERR; | |
| 2029 | +} | |
| 2030 | + | |
| 2031 | +static inline void ide_set_irq(IDEState *s) | |
| 2032 | +{ | |
| 2033 | + if (!(ide_state[0].cmd & IDE_CMD_DISABLE_IRQ)) { | |
| 2034 | + pic_set_irq(s->irq, 1); | |
| 2035 | + cpu_x86_interrupt(global_env); | |
| 2036 | + } | |
| 2037 | +} | |
| 2038 | + | |
| 2039 | +/* prepare data transfer and tell what to do after */ | |
| 2040 | +static void ide_transfer_start(IDEState *s, int size, | |
| 2041 | + EndTransferFunc *end_transfer_func) | |
| 2042 | +{ | |
| 2043 | + s->end_transfer_func = end_transfer_func; | |
| 2044 | + s->data_ptr = s->io_buffer; | |
| 2045 | + s->data_end = s->io_buffer + size; | |
| 2046 | + s->status |= DRQ_STAT; | |
| 2047 | +} | |
| 2048 | + | |
| 2049 | +static void ide_transfer_stop(IDEState *s) | |
| 2050 | +{ | |
| 2051 | + s->end_transfer_func = ide_transfer_stop; | |
| 2052 | + s->data_ptr = s->io_buffer; | |
| 2053 | + s->data_end = s->io_buffer; | |
| 2054 | + s->status &= ~DRQ_STAT; | |
| 2055 | +} | |
| 2056 | + | |
| 2057 | +static int64_t ide_get_sector(IDEState *s) | |
| 2058 | +{ | |
| 2059 | + int64_t sector_num; | |
| 2060 | + if (s->select & 0x40) { | |
| 2061 | + /* lba */ | |
| 2062 | + sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | | |
| 2063 | + (s->lcyl << 8) | s->sector; | |
| 2064 | + } else { | |
| 2065 | + sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors + | |
| 2066 | + (s->select & 0x0f) * s->sectors + | |
| 2067 | + (s->sector - 1); | |
| 2068 | + } | |
| 2069 | + return sector_num; | |
| 2070 | +} | |
| 2071 | + | |
| 2072 | +static void ide_set_sector(IDEState *s, int64_t sector_num) | |
| 2073 | +{ | |
| 2074 | + unsigned int cyl, r; | |
| 2075 | + if (s->select & 0x40) { | |
| 2076 | + s->select = (s->select & 0xf0) | (sector_num >> 24); | |
| 2077 | + s->hcyl = (sector_num >> 16); | |
| 2078 | + s->lcyl = (sector_num >> 8); | |
| 2079 | + s->sector = (sector_num); | |
| 2080 | + } else { | |
| 2081 | + cyl = sector_num / (s->heads * s->sectors); | |
| 2082 | + r = sector_num % (s->heads * s->sectors); | |
| 2083 | + s->hcyl = cyl >> 8; | |
| 2084 | + s->lcyl = cyl; | |
| 2085 | + s->select = (s->select & 0xf0) | (r / s->sectors); | |
| 2086 | + s->sector = (r % s->sectors) + 1; | |
| 2087 | + } | |
| 2088 | +} | |
| 2089 | + | |
| 2090 | +static void ide_sector_read(IDEState *s) | |
| 2091 | +{ | |
| 2092 | + int64_t sector_num; | |
| 2093 | + int ret; | |
| 2094 | + | |
| 2095 | + s->status = READY_STAT | SEEK_STAT; | |
| 2096 | + sector_num = ide_get_sector(s); | |
| 2097 | + s->nsector--; | |
| 2098 | + if (s->nsector == 0xff) { | |
| 2099 | + /* no more sector to read from disk */ | |
| 2100 | + ide_transfer_stop(s); | |
| 2101 | + } else { | |
| 2102 | +#if defined(DEBUG_IDE) | |
| 2103 | + printf("read sector=%Ld\n", sector_num); | |
| 2104 | +#endif | |
| 2105 | + ret = bdrv_read(s->bs, sector_num, s->io_buffer, 1); | |
| 2106 | + ide_transfer_start(s, 512, ide_sector_read); | |
| 2107 | + ide_set_irq(s); | |
| 2108 | + } | |
| 2109 | + ide_set_sector(s, sector_num + 1); | |
| 2110 | +} | |
| 2111 | + | |
| 2112 | +static void ide_sector_write(IDEState *s) | |
| 2113 | +{ | |
| 2114 | + int64_t sector_num; | |
| 2115 | + int ret; | |
| 2116 | + | |
| 2117 | + s->status = READY_STAT | SEEK_STAT; | |
| 2118 | + sector_num = ide_get_sector(s); | |
| 2119 | +#if defined(DEBUG_IDE) | |
| 2120 | + printf("write sector=%Ld\n", sector_num); | |
| 2121 | +#endif | |
| 2122 | + ret = bdrv_write(s->bs, sector_num, s->io_buffer, 1); | |
| 2123 | + s->nsector--; | |
| 2124 | + if (s->nsector == 0) { | |
| 2125 | + /* no more sector to write */ | |
| 2126 | + ide_transfer_stop(s); | |
| 2127 | + } else { | |
| 2128 | + ide_transfer_start(s, 512, ide_sector_write); | |
| 2129 | + } | |
| 2130 | + ide_set_sector(s, sector_num + 1); | |
| 2131 | + ide_set_irq(s); | |
| 2132 | +} | |
| 2133 | + | |
| 2134 | +void ide_ioport_write(CPUX86State *env, uint32_t addr, uint32_t val) | |
| 2135 | +{ | |
| 2136 | + IDEState *s = ide_state[0].cur_drive; | |
| 2137 | + int unit; | |
| 2138 | + | |
| 2139 | + addr &= 7; | |
| 2140 | +#ifdef DEBUG_IDE | |
| 2141 | + printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); | |
| 2142 | +#endif | |
| 2143 | + switch(addr) { | |
| 2144 | + case 0: | |
| 2145 | + break; | |
| 2146 | + case 1: | |
| 2147 | + s->feature = val; | |
| 2148 | + break; | |
| 2149 | + case 2: | |
| 2150 | + s->nsector = val; | |
| 2151 | + break; | |
| 2152 | + case 3: | |
| 2153 | + s->sector = val; | |
| 2154 | + break; | |
| 2155 | + case 4: | |
| 2156 | + s->lcyl = val; | |
| 2157 | + break; | |
| 2158 | + case 5: | |
| 2159 | + s->hcyl = val; | |
| 2160 | + break; | |
| 2161 | + case 6: | |
| 2162 | + /* select drive */ | |
| 2163 | + unit = (val >> 4) & 1; | |
| 2164 | + s = &ide_state[unit]; | |
| 2165 | + ide_state[0].cur_drive = s; | |
| 2166 | + s->select = val; | |
| 2167 | + break; | |
| 2168 | + default: | |
| 2169 | + case 7: | |
| 2170 | + /* command */ | |
| 2171 | +#if defined(DEBUG_IDE) | |
| 2172 | + printf("ide: CMD=%02x\n", val); | |
| 2173 | +#endif | |
| 2174 | + switch(val) { | |
| 2175 | + case WIN_PIDENTIFY: | |
| 2176 | + case WIN_IDENTIFY: | |
| 2177 | + if (s->bs) { | |
| 2178 | + ide_identify(s); | |
| 2179 | + s->status = READY_STAT; | |
| 2180 | + ide_transfer_start(s, 512, ide_transfer_stop); | |
| 2181 | + } else { | |
| 2182 | + ide_abort_command(s); | |
| 2183 | + } | |
| 2184 | + ide_set_irq(s); | |
| 2185 | + break; | |
| 2186 | + case WIN_SPECIFY: | |
| 2187 | + case WIN_RECAL: | |
| 2188 | + s->status = READY_STAT; | |
| 2189 | + ide_set_irq(s); | |
| 2190 | + break; | |
| 2191 | + case WIN_SETMULT: | |
| 2192 | + if (s->nsector > MAX_MULT_SECTORS || | |
| 2193 | + s->nsector == 0 || | |
| 2194 | + (s->nsector & (s->nsector - 1)) != 0) { | |
| 2195 | + ide_abort_command(s); | |
| 2196 | + } else { | |
| 2197 | + s->mult_sectors = s->nsector; | |
| 2198 | + s->status = READY_STAT; | |
| 2199 | + } | |
| 2200 | + ide_set_irq(s); | |
| 2201 | + break; | |
| 2202 | + case WIN_READ: | |
| 2203 | + case WIN_READ_ONCE: | |
| 2204 | + ide_sector_read(s); | |
| 2205 | + break; | |
| 2206 | + case WIN_WRITE: | |
| 2207 | + case WIN_WRITE_ONCE: | |
| 2208 | + s->status = SEEK_STAT; | |
| 2209 | + ide_transfer_start(s, 512, ide_sector_write); | |
| 2210 | + break; | |
| 2211 | + default: | |
| 2212 | + ide_abort_command(s); | |
| 2213 | + ide_set_irq(s); | |
| 2214 | + break; | |
| 2215 | + } | |
| 2216 | + } | |
| 2217 | +} | |
| 2218 | + | |
| 2219 | +uint32_t ide_ioport_read(CPUX86State *env, uint32_t addr) | |
| 2220 | +{ | |
| 2221 | + IDEState *s = ide_state[0].cur_drive; | |
| 2222 | + int ret; | |
| 2223 | + | |
| 2224 | + addr &= 7; | |
| 2225 | + switch(addr) { | |
| 2226 | + case 0: | |
| 2227 | + ret = 0xff; | |
| 2228 | + break; | |
| 2229 | + case 1: | |
| 2230 | + ret = s->error; | |
| 2231 | + break; | |
| 2232 | + case 2: | |
| 2233 | + ret = s->nsector; | |
| 2234 | + break; | |
| 2235 | + case 3: | |
| 2236 | + ret = s->sector; | |
| 2237 | + break; | |
| 2238 | + case 4: | |
| 2239 | + ret = s->lcyl; | |
| 2240 | + break; | |
| 2241 | + case 5: | |
| 2242 | + ret = s->hcyl; | |
| 2243 | + break; | |
| 2244 | + case 6: | |
| 2245 | + ret = s->select; | |
| 2246 | + break; | |
| 2247 | + default: | |
| 2248 | + case 7: | |
| 2249 | + ret = s->status; | |
| 2250 | + pic_set_irq(s->irq, 0); | |
| 2251 | + break; | |
| 2252 | + } | |
| 2253 | +#ifdef DEBUG_IDE | |
| 2254 | + printf("ide: read addr=0x%x val=%02x\n", addr, ret); | |
| 2255 | +#endif | |
| 2256 | + return ret; | |
| 2257 | +} | |
| 2258 | + | |
| 2259 | +uint32_t ide_status_read(CPUX86State *env, uint32_t addr) | |
| 2260 | +{ | |
| 2261 | + IDEState *s = ide_state[0].cur_drive; | |
| 2262 | + int ret; | |
| 2263 | + ret = s->status; | |
| 2264 | +#ifdef DEBUG_IDE | |
| 2265 | + printf("ide: read addr=0x%x val=%02x\n", addr, ret); | |
| 2266 | +#endif | |
| 2267 | + return ret; | |
| 2268 | +} | |
| 2269 | + | |
| 2270 | +void ide_cmd_write(CPUX86State *env, uint32_t addr, uint32_t val) | |
| 2271 | +{ | |
| 2272 | + IDEState *s = &ide_state[0]; | |
| 2273 | + /* common for both drives */ | |
| 2274 | + s->cmd = val; | |
| 2275 | +} | |
| 2276 | + | |
| 2277 | +void ide_data_writew(CPUX86State *env, uint32_t addr, uint32_t val) | |
| 2278 | +{ | |
| 2279 | + IDEState *s = ide_state[0].cur_drive; | |
| 2280 | + uint8_t *p; | |
| 2281 | + | |
| 2282 | + p = s->data_ptr; | |
| 2283 | + *(uint16_t *)p = tswap16(val); | |
| 2284 | + p += 2; | |
| 2285 | + s->data_ptr = p; | |
| 2286 | + if (p >= s->data_end) | |
| 2287 | + s->end_transfer_func(s); | |
| 2288 | +} | |
| 2289 | + | |
| 2290 | +uint32_t ide_data_readw(CPUX86State *env, uint32_t addr) | |
| 2291 | +{ | |
| 2292 | + IDEState *s = ide_state[0].cur_drive; | |
| 2293 | + uint8_t *p; | |
| 2294 | + int ret; | |
| 2295 | + | |
| 2296 | + p = s->data_ptr; | |
| 2297 | + ret = tswap16(*(uint16_t *)p); | |
| 2298 | + p += 2; | |
| 2299 | + s->data_ptr = p; | |
| 2300 | + if (p >= s->data_end) | |
| 2301 | + s->end_transfer_func(s); | |
| 2302 | + return ret; | |
| 2303 | +} | |
| 2304 | + | |
| 2305 | +void ide_data_writel(CPUX86State *env, uint32_t addr, uint32_t val) | |
| 2306 | +{ | |
| 2307 | + IDEState *s = ide_state[0].cur_drive; | |
| 2308 | + uint8_t *p; | |
| 2309 | + | |
| 2310 | + p = s->data_ptr; | |
| 2311 | + *(uint32_t *)p = tswap32(val); | |
| 2312 | + p += 4; | |
| 2313 | + s->data_ptr = p; | |
| 2314 | + if (p >= s->data_end) | |
| 2315 | + s->end_transfer_func(s); | |
| 2316 | +} | |
| 2317 | + | |
| 2318 | +uint32_t ide_data_readl(CPUX86State *env, uint32_t addr) | |
| 2319 | +{ | |
| 2320 | + IDEState *s = ide_state[0].cur_drive; | |
| 2321 | + uint8_t *p; | |
| 2322 | + int ret; | |
| 2323 | + | |
| 2324 | + p = s->data_ptr; | |
| 2325 | + ret = tswap32(*(uint32_t *)p); | |
| 2326 | + p += 4; | |
| 2327 | + s->data_ptr = p; | |
| 2328 | + if (p >= s->data_end) | |
| 2329 | + s->end_transfer_func(s); | |
| 2330 | + return ret; | |
| 2331 | +} | |
| 2332 | + | |
| 2333 | +void ide_reset(IDEState *s) | |
| 2334 | +{ | |
| 2335 | + s->mult_sectors = MAX_MULT_SECTORS; | |
| 2336 | + s->status = READY_STAT; | |
| 2337 | + s->cur_drive = s; | |
| 2338 | + s->select = 0xa0; | |
| 2339 | +} | |
| 2340 | + | |
| 2341 | +void ide_init(void) | |
| 2342 | +{ | |
| 2343 | + IDEState *s; | |
| 2344 | + int i, cylinders; | |
| 2345 | + int64_t nb_sectors; | |
| 2346 | + | |
| 2347 | + for(i = 0; i < MAX_DISKS; i++) { | |
| 2348 | + s = &ide_state[i]; | |
| 2349 | + s->bs = bs_table[i]; | |
| 2350 | + if (s->bs) { | |
| 2351 | + bdrv_get_geometry(s->bs, &nb_sectors); | |
| 2352 | + cylinders = nb_sectors / (16 * 63); | |
| 2353 | + if (cylinders > 16383) | |
| 2354 | + cylinders = 16383; | |
| 2355 | + else if (cylinders < 2) | |
| 2356 | + cylinders = 2; | |
| 2357 | + s->cylinders = cylinders; | |
| 2358 | + s->heads = 16; | |
| 2359 | + s->sectors = 63; | |
| 2360 | + s->nb_sectors = nb_sectors; | |
| 2361 | + } | |
| 2362 | + s->irq = 14; | |
| 2363 | + ide_reset(s); | |
| 2364 | + } | |
| 2365 | + register_ioport_write(0x1f0, 8, ide_ioport_write, 1); | |
| 2366 | + register_ioport_read(0x1f0, 8, ide_ioport_read, 1); | |
| 2367 | + register_ioport_read(0x3f6, 1, ide_status_read, 1); | |
| 2368 | + register_ioport_write(0x3f6, 1, ide_cmd_write, 1); | |
| 2369 | + | |
| 2370 | + /* data ports */ | |
| 2371 | + register_ioport_write(0x1f0, 2, ide_data_writew, 2); | |
| 2372 | + register_ioport_read(0x1f0, 2, ide_data_readw, 2); | |
| 2373 | + register_ioport_write(0x1f0, 4, ide_data_writel, 4); | |
| 2374 | + register_ioport_read(0x1f0, 4, ide_data_readl, 4); | |
| 2375 | +} | |
| 2376 | + | |
| 2377 | +/***********************************************************/ | |
| 1756 | 2378 | /* cpu signal handler */ |
| 1757 | 2379 | static void host_segv_handler(int host_signum, siginfo_t *info, |
| 1758 | 2380 | void *puc) |
| ... | ... | @@ -1873,16 +2495,22 @@ void main_loop(void *opaque) |
| 1873 | 2495 | void help(void) |
| 1874 | 2496 | { |
| 1875 | 2497 | printf("Virtual Linux version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n" |
| 1876 | - "usage: vl [options] bzImage initrd [kernel parameters...]\n" | |
| 2498 | + "usage: vl [options] bzImage [kernel parameters...]\n" | |
| 1877 | 2499 | "\n" |
| 1878 | 2500 | "'bzImage' is a Linux kernel image (PAGE_OFFSET must be defined\n" |
| 1879 | 2501 | "to 0x90000000 in asm/page.h and arch/i386/vmlinux.lds)\n" |
| 1880 | - "'initrd' is an initrd image\n" | |
| 1881 | - "-m megs set virtual RAM size to megs MB\n" | |
| 1882 | - "-n script set network init script [default=%s]\n" | |
| 1883 | - "-s wait gdb connection to port %d\n" | |
| 1884 | - "-p port change gdb connection port\n" | |
| 1885 | - "-d output log in /tmp/vl.log\n" | |
| 2502 | + "\n" | |
| 2503 | + "General options:\n" | |
| 2504 | + "-initrd file use 'file' as initial ram disk\n" | |
| 2505 | + "-hda file use 'file' as hard disk 0 image\n" | |
| 2506 | + "-hdb file use 'file' as hard disk 1 image\n" | |
| 2507 | + "-m megs set virtual RAM size to megs MB\n" | |
| 2508 | + "-n script set network init script [default=%s]\n" | |
| 2509 | + "\n" | |
| 2510 | + "Debug options:\n" | |
| 2511 | + "-s wait gdb connection to port %d\n" | |
| 2512 | + "-p port change gdb connection port\n" | |
| 2513 | + "-d output log in /tmp/vl.log\n" | |
| 1886 | 2514 | "\n" |
| 1887 | 2515 | "During emulation, use C-a h to get terminal commands:\n", |
| 1888 | 2516 | DEFAULT_NETWORK_SCRIPT, DEFAULT_GDBSTUB_PORT); |
| ... | ... | @@ -1890,27 +2518,50 @@ void help(void) |
| 1890 | 2518 | exit(1); |
| 1891 | 2519 | } |
| 1892 | 2520 | |
| 2521 | +struct option long_options[] = { | |
| 2522 | + { "initrd", 1, NULL, 0, }, | |
| 2523 | + { "hda", 1, NULL, 0, }, | |
| 2524 | + { "hdb", 1, NULL, 0, }, | |
| 2525 | + { NULL, 0, NULL, 0 }, | |
| 2526 | +}; | |
| 2527 | + | |
| 1893 | 2528 | int main(int argc, char **argv) |
| 1894 | 2529 | { |
| 1895 | - int c, ret, initrd_size, i, use_gdbstub, gdbstub_port; | |
| 2530 | + int c, ret, initrd_size, i, use_gdbstub, gdbstub_port, long_index; | |
| 1896 | 2531 | struct linux_params *params; |
| 1897 | 2532 | struct sigaction act; |
| 1898 | 2533 | struct itimerval itv; |
| 1899 | 2534 | CPUX86State *env; |
| 1900 | - const char *tmpdir; | |
| 2535 | + const char *tmpdir, *initrd_filename; | |
| 2536 | + const char *hd_filename[MAX_DISKS]; | |
| 1901 | 2537 | |
| 1902 | 2538 | /* we never want that malloc() uses mmap() */ |
| 1903 | 2539 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); |
| 1904 | - | |
| 2540 | + initrd_filename = NULL; | |
| 2541 | + for(i = 0; i < MAX_DISKS; i++) | |
| 2542 | + hd_filename[i] = NULL; | |
| 1905 | 2543 | phys_ram_size = 32 * 1024 * 1024; |
| 1906 | 2544 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
| 1907 | 2545 | use_gdbstub = 0; |
| 1908 | 2546 | gdbstub_port = DEFAULT_GDBSTUB_PORT; |
| 1909 | 2547 | for(;;) { |
| 1910 | - c = getopt(argc, argv, "hm:dn:sp:"); | |
| 2548 | + c = getopt_long_only(argc, argv, "hm:dn:sp:", long_options, &long_index); | |
| 1911 | 2549 | if (c == -1) |
| 1912 | 2550 | break; |
| 1913 | 2551 | switch(c) { |
| 2552 | + case 0: | |
| 2553 | + switch(long_index) { | |
| 2554 | + case 0: | |
| 2555 | + initrd_filename = optarg; | |
| 2556 | + break; | |
| 2557 | + case 1: | |
| 2558 | + hd_filename[0] = optarg; | |
| 2559 | + break; | |
| 2560 | + case 2: | |
| 2561 | + hd_filename[1] = optarg; | |
| 2562 | + break; | |
| 2563 | + } | |
| 2564 | + break; | |
| 1914 | 2565 | case 'h': |
| 1915 | 2566 | help(); |
| 1916 | 2567 | break; |
| ... | ... | @@ -1933,7 +2584,7 @@ int main(int argc, char **argv) |
| 1933 | 2584 | break; |
| 1934 | 2585 | } |
| 1935 | 2586 | } |
| 1936 | - if (optind + 1 >= argc) | |
| 2587 | + if (optind >= argc) | |
| 1937 | 2588 | help(); |
| 1938 | 2589 | |
| 1939 | 2590 | /* init debug */ |
| ... | ... | @@ -1946,6 +2597,18 @@ int main(int argc, char **argv) |
| 1946 | 2597 | setvbuf(logfile, NULL, _IOLBF, 0); |
| 1947 | 2598 | } |
| 1948 | 2599 | |
| 2600 | + /* open the virtual block devices */ | |
| 2601 | + for(i = 0; i < MAX_DISKS; i++) { | |
| 2602 | + if (hd_filename[i]) { | |
| 2603 | + bs_table[i] = bdrv_open(hd_filename[i]); | |
| 2604 | + if (!bs_table[i]) { | |
| 2605 | + fprintf(stderr, "vl: could not open hard disk image '%s\n", | |
| 2606 | + hd_filename[i]); | |
| 2607 | + exit(1); | |
| 2608 | + } | |
| 2609 | + } | |
| 2610 | + } | |
| 2611 | + | |
| 1949 | 2612 | /* init network tun interface */ |
| 1950 | 2613 | net_init(); |
| 1951 | 2614 | |
| ... | ... | @@ -1978,15 +2641,19 @@ int main(int argc, char **argv) |
| 1978 | 2641 | /* now we can load the kernel */ |
| 1979 | 2642 | ret = load_kernel(argv[optind], phys_ram_base + KERNEL_LOAD_ADDR); |
| 1980 | 2643 | if (ret < 0) { |
| 1981 | - fprintf(stderr, "%s: could not load kernel\n", argv[optind]); | |
| 2644 | + fprintf(stderr, "vl: could not load kernel '%s'\n", argv[optind]); | |
| 1982 | 2645 | exit(1); |
| 1983 | 2646 | } |
| 1984 | 2647 | |
| 1985 | 2648 | /* load initrd */ |
| 1986 | - initrd_size = load_image(argv[optind + 1], phys_ram_base + INITRD_LOAD_ADDR); | |
| 1987 | - if (initrd_size < 0) { | |
| 1988 | - fprintf(stderr, "%s: could not load initrd\n", argv[optind + 1]); | |
| 1989 | - exit(1); | |
| 2649 | + initrd_size = 0; | |
| 2650 | + if (initrd_filename) { | |
| 2651 | + initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR); | |
| 2652 | + if (initrd_size < 0) { | |
| 2653 | + fprintf(stderr, "vl: could not load initial ram disk '%s'\n", | |
| 2654 | + initrd_filename); | |
| 2655 | + exit(1); | |
| 2656 | + } | |
| 1990 | 2657 | } |
| 1991 | 2658 | |
| 1992 | 2659 | /* init kernel params */ |
| ... | ... | @@ -1996,8 +2663,8 @@ int main(int argc, char **argv) |
| 1996 | 2663 | params->cl_magic = 0xA33F; |
| 1997 | 2664 | params->cl_offset = params->commandline - (uint8_t *)params; |
| 1998 | 2665 | params->ext_mem_k = (phys_ram_size / 1024) - 1024; |
| 1999 | - for(i = optind + 2; i < argc; i++) { | |
| 2000 | - if (i != optind + 2) | |
| 2666 | + for(i = optind + 1; i < argc; i++) { | |
| 2667 | + if (i != optind + 1) | |
| 2001 | 2668 | pstrcat(params->commandline, sizeof(params->commandline), " "); |
| 2002 | 2669 | pstrcat(params->commandline, sizeof(params->commandline), argv[i]); |
| 2003 | 2670 | } |
| ... | ... | @@ -2011,15 +2678,16 @@ int main(int argc, char **argv) |
| 2011 | 2678 | |
| 2012 | 2679 | /* init basic PC hardware */ |
| 2013 | 2680 | init_ioports(); |
| 2014 | - register_ioport_writeb(0x80, 1, ioport80_write); | |
| 2681 | + register_ioport_write(0x80, 1, ioport80_write, 1); | |
| 2015 | 2682 | |
| 2016 | - register_ioport_writeb(0x3d4, 2, vga_ioport_write); | |
| 2683 | + register_ioport_write(0x3d4, 2, vga_ioport_write, 1); | |
| 2017 | 2684 | |
| 2018 | 2685 | cmos_init(); |
| 2019 | 2686 | pic_init(); |
| 2020 | 2687 | pit_init(); |
| 2021 | 2688 | serial_init(); |
| 2022 | 2689 | ne2000_init(); |
| 2690 | + ide_init(); | |
| 2023 | 2691 | |
| 2024 | 2692 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
| 2025 | 2693 | sigfillset(&act.sa_mask); | ... | ... |
vl.h
0 → 100644
| 1 | +/* | |
| 2 | + * QEMU System Emulator header | |
| 3 | + * | |
| 4 | + * Copyright (c) 2003 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 | + */ | |
| 24 | +#ifndef VL_H | |
| 25 | +#define VL_H | |
| 26 | + | |
| 27 | +/* block.c */ | |
| 28 | +typedef struct BlockDriverState BlockDriverState; | |
| 29 | + | |
| 30 | +BlockDriverState *bdrv_open(const char *filename); | |
| 31 | +void bdrv_close(BlockDriverState *bs); | |
| 32 | +int bdrv_read(BlockDriverState *bs, int64_t sector_num, | |
| 33 | + uint8_t *buf, int nb_sectors); | |
| 34 | +int bdrv_write(BlockDriverState *bs, int64_t sector_num, | |
| 35 | + const uint8_t *buf, int nb_sectors); | |
| 36 | +void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr); | |
| 37 | + | |
| 38 | + | |
| 39 | +#endif /* VL_H */ | ... | ... |