Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <unistd.h> |
| 4 | #include <sys/io.h> |
| 5 | #include <sys/mman.h> |
| 6 | #include <fcntl.h> |
| 7 | #include <getopt.h> |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 8 | #include <string.h> |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 9 | #include <stdarg.h> |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 10 | |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 11 | #include <stdtypes.h> |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 12 | #define die(x) { perror(x); exit(1); } |
Ronald G. Minnich | 284c27f | 2004-11-28 04:39:45 +0000 | [diff] [blame] | 13 | #define warn(x) { perror(x); } |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 14 | |
Stefan Reinauer | 86051f9 | 2010-03-23 15:53:38 +0000 | [diff] [blame] | 15 | #include <x86emu/x86emu.h> |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 16 | #include <console/console.h> |
Luc Verhaegen | e6e899d | 2009-05-27 11:39:16 +0000 | [diff] [blame] | 17 | #include "helper_exec.h" |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 18 | #include "testbios.h" |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 19 | #include "pci-userspace.h" |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 20 | int X86EMU_set_debug(int debug); |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 21 | unsigned short get_device(char *arg_val); |
| 22 | |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 23 | extern int teststart, testend; |
| 24 | |
| 25 | _ptr p; |
| 26 | ptr current = 0; |
| 27 | unsigned char biosmem[1024 * 1024]; |
| 28 | |
| 29 | int verbose = 0; |
| 30 | |
| 31 | |
| 32 | /* Interrupt multiplexer */ |
| 33 | |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 34 | static void do_int(int num) |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 35 | { |
| 36 | int ret = 0; |
| 37 | |
| 38 | printf("int%x vector at %x\n", num, getIntVect(num)); |
| 39 | |
| 40 | /* This is a pInt leftover */ |
| 41 | current->num = num; |
| 42 | |
| 43 | switch (num) { |
| 44 | #ifndef _PC |
| 45 | case 0x10: |
| 46 | case 0x42: |
| 47 | case 0x6D: |
| 48 | |
| 49 | if (getIntVect(num) == 0xFF065) { |
| 50 | ret = int42_handler(); |
| 51 | } |
| 52 | break; |
| 53 | #endif |
| 54 | case 0x15: |
| 55 | ret = int15_handler(); |
| 56 | break; |
| 57 | case 0x16: |
| 58 | ret = int16_handler(); |
| 59 | break; |
| 60 | case 0x1A: |
| 61 | ret = int1A_handler(); |
| 62 | break; |
| 63 | case 0xe6: |
| 64 | ret = intE6_handler(); |
| 65 | break; |
| 66 | default: |
| 67 | break; |
| 68 | } |
| 69 | |
| 70 | if (!ret) |
| 71 | ret = run_bios_int(num); |
| 72 | |
| 73 | if (!ret) { |
| 74 | printf("\nint%x: not implemented\n", num); |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 75 | //x86emu_dump_xregs(); |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 76 | } |
| 77 | } |
| 78 | |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 79 | static unsigned char *mapitin(char *file, off_t where, size_t size) |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 80 | { |
| 81 | void *z; |
| 82 | |
| 83 | int fd = open(file, O_RDWR, 0); |
| 84 | |
| 85 | if (fd < 0) |
| 86 | die(file); |
| 87 | z = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, where); |
| 88 | if (z == (void *) -1) |
| 89 | die("mmap"); |
| 90 | close(fd); |
| 91 | |
| 92 | return z; |
| 93 | |
| 94 | } |
| 95 | |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 96 | X86EMU_pioFuncs myfuncs = { |
| 97 | x_inb, x_inw, x_inl, |
| 98 | x_outb, x_outw, x_outl |
| 99 | }; |
| 100 | |
| 101 | |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 102 | static void usage(char *name) |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 103 | { |
| 104 | printf |
| 105 | ("Usage: %s [-c codesegment] [-s size] [-b base] [-i ip] [-t] <filename> ... \n", |
| 106 | name); |
| 107 | } |
| 108 | |
| 109 | int main(int argc, char **argv) |
| 110 | { |
| 111 | char *absegname = 0; |
| 112 | void *abseg = 0; |
| 113 | int i, c, trace = 0; |
| 114 | unsigned char *cp; |
| 115 | char *filename; |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 116 | ssize_t size = 0; |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 117 | int base = 0; |
| 118 | int have_size = 0, have_base = 0, have_ip = 0, have_cs = 0; |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 119 | int have_devfn = 0; |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 120 | int parse_rom = 0; |
| 121 | char *fsegname = 0; |
| 122 | unsigned char *fsegptr; |
| 123 | unsigned short initialip = 0, initialcs = 0, devfn = 0; |
| 124 | X86EMU_intrFuncs intFuncs[256]; |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 125 | int debugflag = 0; |
| 126 | |
| 127 | const char *optstring = "vh?b:i:c:s:tpd:"; |
| 128 | while (1) { |
| 129 | int option_index = 0; |
| 130 | static struct option long_options[] = { |
| 131 | {"verbose", 0, 0, 'v'}, |
| 132 | {"help", 0, 0, 'h'}, |
| 133 | {"trace", 0, 0, 't'}, |
| 134 | {"base", 1, 0, 'b'}, |
| 135 | {"fseg", 1, 0, 'f'}, |
| 136 | {"instructionpointer", 1, 0, 'i'}, |
| 137 | {"codesegment", 1, 0, 'c'}, |
| 138 | {"absegment", 1, 0, 'a'}, |
| 139 | {"size", 1, 0, 's'}, |
| 140 | {"parserom", 0, 0, 'p'}, |
| 141 | {"device", 1, 0, 'd'}, |
| 142 | {"debug", 1, 0, 'D'}, |
| 143 | {0, 0, 0, 0} |
| 144 | }; |
| 145 | c = getopt_long(argc, argv, optstring, long_options, &option_index); |
| 146 | if (c == -1) |
| 147 | break; |
| 148 | switch (c) { |
| 149 | case 'v': |
| 150 | verbose = 1; |
| 151 | break; |
| 152 | case 'h': |
| 153 | case '?': |
| 154 | usage(argv[0]); |
| 155 | return 0; |
| 156 | case 't': |
| 157 | trace = 1; |
| 158 | break; |
| 159 | case 'b': |
| 160 | base = strtol(optarg, 0, 0); |
| 161 | have_base = 1; |
| 162 | break; |
| 163 | case 'i': |
| 164 | initialip = strtol(optarg, 0, 0); |
| 165 | have_ip = 1; |
| 166 | break; |
| 167 | case 'c': |
| 168 | initialcs = strtol(optarg, 0, 0); |
| 169 | have_cs = 1; |
| 170 | break; |
| 171 | case 's': |
| 172 | size = strtol(optarg, 0, 0); |
| 173 | have_size = 1; |
| 174 | break; |
| 175 | case 'p': |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 176 | parse_rom = 1; |
| 177 | break; |
| 178 | case 'f': |
| 179 | fsegname = optarg; |
| 180 | break; |
| 181 | case 'a': |
| 182 | absegname = optarg; |
| 183 | break; |
| 184 | case 'd': |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 185 | devfn = get_device(optarg); |
| 186 | have_devfn = 1; |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 187 | break; |
| 188 | case 'D': |
| 189 | debugflag = strtol(optarg, 0, 0); |
| 190 | break; |
| 191 | default: |
| 192 | printf("Unknown option \n"); |
| 193 | usage(argv[0]); |
| 194 | return 1; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | if (optind >= argc) { |
| 199 | printf("Filename missing.\n"); |
| 200 | usage(argv[0]); |
| 201 | return 1; |
| 202 | } |
| 203 | |
| 204 | while (optind < argc) { |
| 205 | printf("running file %s\n", argv[optind]); |
| 206 | filename = argv[optind]; |
| 207 | optind++; |
| 208 | /* normally we would do continue, but for |
| 209 | * now only one filename is supported. |
| 210 | */ |
| 211 | /* continue; */ |
| 212 | break; |
| 213 | } |
| 214 | |
| 215 | if (!have_size) { |
| 216 | printf("No size specified. defaulting to 32k\n"); |
| 217 | size = 32 * 1024; |
| 218 | } |
| 219 | if (!have_base) { |
| 220 | printf("No base specified. defaulting to 0xc0000\n"); |
| 221 | base = 0xc0000; |
| 222 | } |
| 223 | if (!have_cs) { |
| 224 | printf("No initial code segment specified. defaulting to 0xc000\n"); |
| 225 | initialcs = 0xc000; |
| 226 | } |
| 227 | if (!have_ip) { |
| 228 | printf |
| 229 | ("No initial instruction pointer specified. defaulting to 0x0003\n"); |
| 230 | initialip = 0x0003; |
| 231 | } |
| 232 | |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 233 | if (parse_rom) |
| 234 | printf("Parsing rom images not implemented.\n"); |
| 235 | |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 236 | //printf("Point 1 int%x vector at %x\n", 0x42, getIntVect(0x42)); |
| 237 | |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 238 | if (initialip == 0x0003) { |
| 239 | if ((devfn == 0) || (have_devfn == 0)) { |
| 240 | printf("WARNING! It appears you are trying to run an option ROM.\n"); |
| 241 | printf(" (initial ip = 0x0003)\n"); |
| 242 | if (have_devfn) { |
| 243 | printf(" However, the device you have specified is 0x00\n"); |
| 244 | printf(" It is very unlikely that your device is at this address\n"); |
| 245 | printf(" Please check your -d option\n"); |
| 246 | } |
| 247 | else { |
| 248 | printf(" Please specify a device with -d\n"); |
| 249 | printf(" The default is not likely to work\n"); |
| 250 | } |
| 251 | } |
| 252 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 253 | |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 254 | if (absegname) { |
| 255 | abseg = mapitin(absegname, (off_t) 0xa0000, 0x20000); |
| 256 | if (!abseg) |
| 257 | die(absegname); |
| 258 | } |
| 259 | |
| 260 | current = &p; |
| 261 | X86EMU_setMemBase(biosmem, sizeof(biosmem)); |
Stefan Reinauer | 86051f9 | 2010-03-23 15:53:38 +0000 | [diff] [blame] | 262 | M.abseg = (unsigned long)abseg; |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 263 | X86EMU_setupPioFuncs(&myfuncs); |
| 264 | ioperm(0, 0x400, 1); |
| 265 | |
Ronald G. Minnich | 284c27f | 2004-11-28 04:39:45 +0000 | [diff] [blame] | 266 | if (iopl(3) < 0) { |
| 267 | warn("iopl failed, continuing anyway"); |
| 268 | } |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 269 | |
| 270 | /* Emergency sync ;-) */ |
| 271 | sync(); |
| 272 | sync(); |
| 273 | |
| 274 | /* Setting up interrupt environment. |
| 275 | * basically this means initializing PCI and |
| 276 | * intXX handlers. |
| 277 | */ |
| 278 | pciInit(); |
| 279 | |
| 280 | for (i = 0; i < 256; i++) |
| 281 | intFuncs[i] = do_int; |
| 282 | X86EMU_setupIntrFuncs(intFuncs); |
| 283 | cp = mapitin(filename, (off_t) 0, size); |
| 284 | |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 285 | if (devfn) { |
| 286 | printf("Loading ax with BusDevFn = %x\n",devfn); |
| 287 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 288 | |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 289 | current->ax = devfn ? devfn : 0xff; |
| 290 | current->dx = 0x80; |
| 291 | // current->ip = 0; |
| 292 | for (i = 0; i < size; i++) |
| 293 | wrb(base + i, cp[i]); |
| 294 | |
| 295 | if (fsegname) { |
| 296 | fsegptr = mapitin(fsegname, (off_t) 0, 0x10000); |
| 297 | for (i = 0; i < 0x10000; i++) |
| 298 | wrb(0xf0000 + i, fsegptr[i]); |
| 299 | } else { |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 300 | const char *date = "01/01/99"; |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 301 | for (i = i; date[i]; i++) |
| 302 | wrb(0xffff5 + i, date[i]); |
| 303 | wrb(0xffff7, '/'); |
| 304 | wrb(0xffffa, '/'); |
| 305 | } |
| 306 | /* cpu setup */ |
| 307 | X86_AX = devfn ? devfn : 0xff; |
| 308 | X86_DX = 0x80; |
| 309 | X86_EIP = initialip; |
| 310 | X86_CS = initialcs; |
| 311 | |
| 312 | /* Initialize stack and data segment */ |
| 313 | X86_SS = 0x0030; |
| 314 | X86_DS = 0x0040; |
| 315 | X86_SP = 0xfffe; |
| 316 | /* We need a sane way to return from bios |
| 317 | * execution. A hlt instruction and a pointer |
| 318 | * to it, both kept on the stack, will do. |
| 319 | */ |
| 320 | pushw(0xf4f4); /* hlt; hlt */ |
| 321 | pushw(X86_SS); |
| 322 | pushw(X86_SP + 2); |
| 323 | |
| 324 | X86_ES = 0x0000; |
| 325 | |
| 326 | if (trace) { |
| 327 | printf("Switching to single step mode.\n"); |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 328 | //X86EMU_trace_on(); |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 329 | } |
| 330 | if (debugflag) { |
Li-Ta Lo | 8b0356c | 2005-01-11 03:18:39 +0000 | [diff] [blame] | 331 | //X86EMU_set_debug(debugflag); |
Li-Ta Lo | 8152126 | 2004-07-08 17:18:27 +0000 | [diff] [blame] | 332 | } |
| 333 | X86EMU_exec(); |
| 334 | /* Cleaning up */ |
| 335 | pciExit(); |
| 336 | |
| 337 | return 0; |
| 338 | } |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 339 | |
| 340 | unsigned short get_device(char *arg_val) |
| 341 | { |
| 342 | unsigned short devfn=0; |
| 343 | long bus=0,dev=0,fn=0,need_pack=0; |
| 344 | char *tok; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 345 | |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 346 | tok = strsep(&arg_val,":"); |
| 347 | if (arg_val != NULL) { |
| 348 | bus = strtol(tok,0,16); |
| 349 | need_pack = 1; |
| 350 | } |
| 351 | else { |
| 352 | arg_val = tok; |
| 353 | } |
| 354 | |
| 355 | tok = strsep(&arg_val,"."); |
| 356 | if (arg_val != NULL) { |
| 357 | dev = strtol(tok,0,16); |
| 358 | fn = strtol(arg_val,0,16); |
| 359 | need_pack = 1; |
| 360 | } |
| 361 | else { |
| 362 | if (need_pack ==1 && (strlen(tok))) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 363 | dev = strtol(tok,0,16); |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 364 | } |
| 365 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 366 | |
Richard Smith | ff8c08e | 2006-04-23 19:16:09 +0000 | [diff] [blame] | 367 | if ( need_pack == 1) { |
| 368 | devfn = bus<<8 | (dev<<3) | fn; |
| 369 | } |
| 370 | else { |
| 371 | devfn = strtol(tok, 0, 0); |
| 372 | } |
| 373 | |
| 374 | |
| 375 | return devfn; |
| 376 | } |
Stefan Reinauer | 850e7d4 | 2015-09-28 13:12:04 -0700 | [diff] [blame] | 377 | |
| 378 | int printk(int msg_level, const char *fmt, ...) |
| 379 | { |
| 380 | va_list args; |
| 381 | int i; |
| 382 | |
| 383 | printf ("<%d> ", msg_level); |
| 384 | va_start(args, fmt); |
| 385 | i = vprintf(fmt, args); |
| 386 | va_end(args); |
| 387 | |
| 388 | return i; |
| 389 | } |