1 /* 2 * qemu user main 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 #include <stdlib.h> 21 #include <stdio.h> 22 #include <stdarg.h> 23 #include <string.h> 24 #include <errno.h> 25 #include <unistd.h> 26 27 #include "qemu.h" 28 29 #define DEBUG_LOGFILE "/tmp/qemu.log" 30 31 #ifdef __APPLE__ 32 #include <crt_externs.h> 33 # define environ (*_NSGetEnviron()) 34 #endif 35 36 static const char *interp_prefix = CONFIG_QEMU_PREFIX; 37 const char *qemu_uname_release = CONFIG_UNAME_RELEASE; 38 39 #if defined(__i386__) && !defined(CONFIG_STATIC) 40 /* Force usage of an ELF interpreter even if it is an ELF shared 41 object ! */ 42 const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2"; 43 #endif 44 45 /* for recent libc, we add these dummy symbols which are not declared 46 when generating a linked object (bug in ld ?) */ 47 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC) 48 long __preinit_array_start[0]; 49 long __preinit_array_end[0]; 50 long __init_array_start[0]; 51 long __init_array_end[0]; 52 long __fini_array_start[0]; 53 long __fini_array_end[0]; 54 #endif 55 56 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so 57 we allocate a bigger stack. Need a better solution, for example 58 by remapping the process stack directly at the right place */ 59 unsigned long x86_stack_size = 512 * 1024; 60 61 void gemu_log(const char *fmt, ...) 62 { 63 va_list ap; 64 65 va_start(ap, fmt); 66 vfprintf(stderr, fmt, ap); 67 va_end(ap); 68 } 69 70 void cpu_outb(CPUState *env, int addr, int val) 71 { 72 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val); 73 } 74 75 void cpu_outw(CPUState *env, int addr, int val) 76 { 77 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val); 78 } 79 80 void cpu_outl(CPUState *env, int addr, int val) 81 { 82 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val); 83 } 84 85 int cpu_inb(CPUState *env, int addr) 86 { 87 fprintf(stderr, "inb: port=0x%04x\n", addr); 88 return 0; 89 } 90 91 int cpu_inw(CPUState *env, int addr) 92 { 93 fprintf(stderr, "inw: port=0x%04x\n", addr); 94 return 0; 95 } 96 97 int cpu_inl(CPUState *env, int addr) 98 { 99 fprintf(stderr, "inl: port=0x%04x\n", addr); 100 return 0; 101 } 102 103 int cpu_get_pic_interrupt(CPUState *env) 104 { 105 return -1; 106 } 107 108 /* timers for rdtsc */ 109 110 #if 0 111 112 static uint64_t emu_time; 113 114 int64_t cpu_get_real_ticks(void) 115 { 116 return emu_time++; 117 } 118 119 #endif 120 121 #ifdef TARGET_I386 122 /***********************************************************/ 123 /* CPUX86 core interface */ 124 125 void cpu_smm_update(CPUState *env) 126 { 127 } 128 129 uint64_t cpu_get_tsc(CPUX86State *env) 130 { 131 return cpu_get_real_ticks(); 132 } 133 134 static void write_dt(void *ptr, unsigned long addr, unsigned long limit, 135 int flags) 136 { 137 unsigned int e1, e2; 138 uint32_t *p; 139 e1 = (addr << 16) | (limit & 0xffff); 140 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); 141 e2 |= flags; 142 p = ptr; 143 p[0] = tswapl(e1); 144 p[1] = tswapl(e2); 145 } 146 147 static void set_gate(void *ptr, unsigned int type, unsigned int dpl, 148 unsigned long addr, unsigned int sel) 149 { 150 unsigned int e1, e2; 151 uint32_t *p; 152 e1 = (addr & 0xffff) | (sel << 16); 153 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); 154 p = ptr; 155 p[0] = tswapl(e1); 156 p[1] = tswapl(e2); 157 } 158 159 uint64_t gdt_table[6]; 160 uint64_t idt_table[256]; 161 162 /* only dpl matters as we do only user space emulation */ 163 static void set_idt(int n, unsigned int dpl) 164 { 165 set_gate(idt_table + n, 0, dpl, 0, 0); 166 } 167 168 void cpu_loop(CPUX86State *env) 169 { 170 int trapnr; 171 target_ulong pc; 172 target_siginfo_t info; 173 174 for(;;) { 175 trapnr = cpu_x86_exec(env); 176 switch(trapnr) { 177 case 0x80: 178 /* linux syscall */ 179 env->regs[R_EAX] = do_syscall(env, 180 env->regs[R_EAX], 181 env->regs[R_EBX], 182 env->regs[R_ECX], 183 env->regs[R_EDX], 184 env->regs[R_ESI], 185 env->regs[R_EDI], 186 env->regs[R_EBP]); 187 break; 188 case EXCP0B_NOSEG: 189 case EXCP0C_STACK: 190 info.si_signo = SIGBUS; 191 info.si_errno = 0; 192 info.si_code = TARGET_SI_KERNEL; 193 info._sifields._sigfault._addr = 0; 194 queue_signal(info.si_signo, &info); 195 break; 196 case EXCP0D_GPF: 197 #ifndef TARGET_X86_64 198 if (env->eflags & VM_MASK) { 199 handle_vm86_fault(env); 200 } else 201 #endif 202 { 203 info.si_signo = SIGSEGV; 204 info.si_errno = 0; 205 info.si_code = TARGET_SI_KERNEL; 206 info._sifields._sigfault._addr = 0; 207 queue_signal(info.si_signo, &info); 208 } 209 break; 210 case EXCP0E_PAGE: 211 info.si_signo = SIGSEGV; 212 info.si_errno = 0; 213 if (!(env->error_code & 1)) 214 info.si_code = TARGET_SEGV_MAPERR; 215 else 216 info.si_code = TARGET_SEGV_ACCERR; 217 info._sifields._sigfault._addr = env->cr[2]; 218 queue_signal(info.si_signo, &info); 219 break; 220 case EXCP00_DIVZ: 221 #ifndef TARGET_X86_64 222 if (env->eflags & VM_MASK) { 223 handle_vm86_trap(env, trapnr); 224 } else 225 #endif 226 { 227 /* division by zero */ 228 info.si_signo = SIGFPE; 229 info.si_errno = 0; 230 info.si_code = TARGET_FPE_INTDIV; 231 info._sifields._sigfault._addr = env->eip; 232 queue_signal(info.si_signo, &info); 233 } 234 break; 235 case EXCP01_SSTP: 236 case EXCP03_INT3: 237 #ifndef TARGET_X86_64 238 if (env->eflags & VM_MASK) { 239 handle_vm86_trap(env, trapnr); 240 } else 241 #endif 242 { 243 info.si_signo = SIGTRAP; 244 info.si_errno = 0; 245 if (trapnr == EXCP01_SSTP) { 246 info.si_code = TARGET_TRAP_BRKPT; 247 info._sifields._sigfault._addr = env->eip; 248 } else { 249 info.si_code = TARGET_SI_KERNEL; 250 info._sifields._sigfault._addr = 0; 251 } 252 queue_signal(info.si_signo, &info); 253 } 254 break; 255 case EXCP04_INTO: 256 case EXCP05_BOUND: 257 #ifndef TARGET_X86_64 258 if (env->eflags & VM_MASK) { 259 handle_vm86_trap(env, trapnr); 260 } else 261 #endif 262 { 263 info.si_signo = SIGSEGV; 264 info.si_errno = 0; 265 info.si_code = TARGET_SI_KERNEL; 266 info._sifields._sigfault._addr = 0; 267 queue_signal(info.si_signo, &info); 268 } 269 break; 270 case EXCP06_ILLOP: 271 info.si_signo = SIGILL; 272 info.si_errno = 0; 273 info.si_code = TARGET_ILL_ILLOPN; 274 info._sifields._sigfault._addr = env->eip; 275 queue_signal(info.si_signo, &info); 276 break; 277 case EXCP_INTERRUPT: 278 /* just indicate that signals should be handled asap */ 279 break; 280 case EXCP_DEBUG: 281 { 282 int sig; 283 284 sig = gdb_handlesig (env, TARGET_SIGTRAP); 285 if (sig) 286 { 287 info.si_signo = sig; 288 info.si_errno = 0; 289 info.si_code = TARGET_TRAP_BRKPT; 290 queue_signal(info.si_signo, &info); 291 } 292 } 293 break; 294 default: 295 pc = env->segs[R_CS].base + env->eip; 296 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", 297 (long)pc, trapnr); 298 abort(); 299 } 300 process_pending_signals(env); 301 } 302 } 303 #endif 304 305 #ifdef TARGET_ARM 306 307 /* XXX: find a better solution */ 308 extern void tb_invalidate_page_range(target_ulong start, target_ulong end); 309 310 static void arm_cache_flush(target_ulong start, target_ulong last) 311 { 312 target_ulong addr, last1; 313 314 if (last < start) 315 return; 316 addr = start; 317 for(;;) { 318 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1; 319 if (last1 > last) 320 last1 = last; 321 tb_invalidate_page_range(addr, last1 + 1); 322 if (last1 == last) 323 break; 324 addr = last1 + 1; 325 } 326 } 327 328 void cpu_loop(CPUARMState *env) 329 { 330 int trapnr; 331 unsigned int n, insn; 332 target_siginfo_t info; 333 uint32_t addr; 334 335 for(;;) { 336 trapnr = cpu_arm_exec(env); 337 switch(trapnr) { 338 case EXCP_UDEF: 339 { 340 TaskState *ts = env->opaque; 341 uint32_t opcode; 342 343 /* we handle the FPU emulation here, as Linux */ 344 /* we get the opcode */ 345 opcode = tget32(env->regs[15]); 346 347 if (EmulateAll(opcode, &ts->fpa, env) == 0) { 348 info.si_signo = SIGILL; 349 info.si_errno = 0; 350 info.si_code = TARGET_ILL_ILLOPN; 351 info._sifields._sigfault._addr = env->regs[15]; 352 queue_signal(info.si_signo, &info); 353 } else { 354 /* increment PC */ 355 env->regs[15] += 4; 356 } 357 } 358 break; 359 case EXCP_SWI: 360 case EXCP_BKPT: 361 { 362 env->eabi = 1; 363 /* system call */ 364 if (trapnr == EXCP_BKPT) { 365 if (env->thumb) { 366 insn = tget16(env->regs[15]); 367 n = insn & 0xff; 368 env->regs[15] += 2; 369 } else { 370 insn = tget32(env->regs[15]); 371 n = (insn & 0xf) | ((insn >> 4) & 0xff0); 372 env->regs[15] += 4; 373 } 374 } else { 375 if (env->thumb) { 376 insn = tget16(env->regs[15] - 2); 377 n = insn & 0xff; 378 } else { 379 insn = tget32(env->regs[15] - 4); 380 n = insn & 0xffffff; 381 } 382 } 383 384 if (n == ARM_NR_cacheflush) { 385 arm_cache_flush(env->regs[0], env->regs[1]); 386 } else if (n == ARM_NR_semihosting 387 || n == ARM_NR_thumb_semihosting) { 388 env->regs[0] = do_arm_semihosting (env); 389 } else if (n == 0 || n >= ARM_SYSCALL_BASE 390 || (env->thumb && n == ARM_THUMB_SYSCALL)) { 391 /* linux syscall */ 392 if (env->thumb || n == 0) { 393 n = env->regs[7]; 394 } else { 395 n -= ARM_SYSCALL_BASE; 396 env->eabi = 0; 397 } 398 env->regs[0] = do_syscall(env, 399 n, 400 env->regs[0], 401 env->regs[1], 402 env->regs[2], 403 env->regs[3], 404 env->regs[4], 405 env->regs[5]); 406 } else { 407 goto error; 408 } 409 } 410 break; 411 case EXCP_INTERRUPT: 412 /* just indicate that signals should be handled asap */ 413 break; 414 case EXCP_PREFETCH_ABORT: 415 addr = env->cp15.c6_data; 416 goto do_segv; 417 case EXCP_DATA_ABORT: 418 addr = env->cp15.c6_insn; 419 goto do_segv; 420 do_segv: 421 { 422 info.si_signo = SIGSEGV; 423 info.si_errno = 0; 424 /* XXX: check env->error_code */ 425 info.si_code = TARGET_SEGV_MAPERR; 426 info._sifields._sigfault._addr = addr; 427 queue_signal(info.si_signo, &info); 428 } 429 break; 430 case EXCP_DEBUG: 431 { 432 int sig; 433 434 sig = gdb_handlesig (env, TARGET_SIGTRAP); 435 if (sig) 436 { 437 info.si_signo = sig; 438 info.si_errno = 0; 439 info.si_code = TARGET_TRAP_BRKPT; 440 queue_signal(info.si_signo, &info); 441 } 442 } 443 break; 444 default: 445 error: 446 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 447 trapnr); 448 cpu_dump_state(env, stderr, fprintf, 0); 449 abort(); 450 } 451 process_pending_signals(env); 452 } 453 } 454 455 #endif 456 457 #ifdef TARGET_SPARC 458 459 //#define DEBUG_WIN 460 461 /* WARNING: dealing with register windows _is_ complicated. More info 462 can be found at http://www.sics.se/~psm/sparcstack.html */ 463 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) 464 { 465 index = (index + cwp * 16) & (16 * NWINDOWS - 1); 466 /* wrap handling : if cwp is on the last window, then we use the 467 registers 'after' the end */ 468 if (index < 8 && env->cwp == (NWINDOWS - 1)) 469 index += (16 * NWINDOWS); 470 return index; 471 } 472 473 /* save the register window 'cwp1' */ 474 static inline void save_window_offset(CPUSPARCState *env, int cwp1) 475 { 476 unsigned int i; 477 target_ulong sp_ptr; 478 479 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; 480 #if defined(DEBUG_WIN) 481 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n", 482 (int)sp_ptr, cwp1); 483 #endif 484 for(i = 0; i < 16; i++) { 485 tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]); 486 sp_ptr += sizeof(target_ulong); 487 } 488 } 489 490 static void save_window(CPUSPARCState *env) 491 { 492 #ifndef TARGET_SPARC64 493 unsigned int new_wim; 494 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) & 495 ((1LL << NWINDOWS) - 1); 496 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); 497 env->wim = new_wim; 498 #else 499 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); 500 env->cansave++; 501 env->canrestore--; 502 #endif 503 } 504 505 static void restore_window(CPUSPARCState *env) 506 { 507 unsigned int new_wim, i, cwp1; 508 target_ulong sp_ptr; 509 510 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) & 511 ((1LL << NWINDOWS) - 1); 512 513 /* restore the invalid window */ 514 cwp1 = (env->cwp + 1) & (NWINDOWS - 1); 515 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; 516 #if defined(DEBUG_WIN) 517 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n", 518 (int)sp_ptr, cwp1); 519 #endif 520 for(i = 0; i < 16; i++) { 521 env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr); 522 sp_ptr += sizeof(target_ulong); 523 } 524 env->wim = new_wim; 525 #ifdef TARGET_SPARC64 526 env->canrestore++; 527 if (env->cleanwin < NWINDOWS - 1) 528 env->cleanwin++; 529 env->cansave--; 530 #endif 531 } 532 533 static void flush_windows(CPUSPARCState *env) 534 { 535 int offset, cwp1; 536 537 offset = 1; 538 for(;;) { 539 /* if restore would invoke restore_window(), then we can stop */ 540 cwp1 = (env->cwp + offset) & (NWINDOWS - 1); 541 if (env->wim & (1 << cwp1)) 542 break; 543 save_window_offset(env, cwp1); 544 offset++; 545 } 546 /* set wim so that restore will reload the registers */ 547 cwp1 = (env->cwp + 1) & (NWINDOWS - 1); 548 env->wim = 1 << cwp1; 549 #if defined(DEBUG_WIN) 550 printf("flush_windows: nb=%d\n", offset - 1); 551 #endif 552 } 553 554 void cpu_loop (CPUSPARCState *env) 555 { 556 int trapnr, ret; 557 target_siginfo_t info; 558 559 while (1) { 560 trapnr = cpu_sparc_exec (env); 561 562 switch (trapnr) { 563 #ifndef TARGET_SPARC64 564 case 0x88: 565 case 0x90: 566 #else 567 case 0x16d: 568 #endif 569 ret = do_syscall (env, env->gregs[1], 570 env->regwptr[0], env->regwptr[1], 571 env->regwptr[2], env->regwptr[3], 572 env->regwptr[4], env->regwptr[5]); 573 if ((unsigned int)ret >= (unsigned int)(-515)) { 574 #ifdef TARGET_SPARC64 575 env->xcc |= PSR_CARRY; 576 #else 577 env->psr |= PSR_CARRY; 578 #endif 579 ret = -ret; 580 } else { 581 #ifdef TARGET_SPARC64 582 env->xcc &= ~PSR_CARRY; 583 #else 584 env->psr &= ~PSR_CARRY; 585 #endif 586 } 587 env->regwptr[0] = ret; 588 /* next instruction */ 589 env->pc = env->npc; 590 env->npc = env->npc + 4; 591 break; 592 case 0x83: /* flush windows */ 593 flush_windows(env); 594 /* next instruction */ 595 env->pc = env->npc; 596 env->npc = env->npc + 4; 597 break; 598 #ifndef TARGET_SPARC64 599 case TT_WIN_OVF: /* window overflow */ 600 save_window(env); 601 break; 602 case TT_WIN_UNF: /* window underflow */ 603 restore_window(env); 604 break; 605 case TT_TFAULT: 606 case TT_DFAULT: 607 { 608 info.si_signo = SIGSEGV; 609 info.si_errno = 0; 610 /* XXX: check env->error_code */ 611 info.si_code = TARGET_SEGV_MAPERR; 612 info._sifields._sigfault._addr = env->mmuregs[4]; 613 queue_signal(info.si_signo, &info); 614 } 615 break; 616 #else 617 case TT_SPILL: /* window overflow */ 618 save_window(env); 619 break; 620 case TT_FILL: /* window underflow */ 621 restore_window(env); 622 break; 623 case TT_TFAULT: 624 case TT_DFAULT: 625 { 626 info.si_signo = SIGSEGV; 627 info.si_errno = 0; 628 /* XXX: check env->error_code */ 629 info.si_code = TARGET_SEGV_MAPERR; 630 if (trapnr == TT_DFAULT) 631 info._sifields._sigfault._addr = env->dmmuregs[4]; 632 else 633 info._sifields._sigfault._addr = env->tpc[env->tl]; 634 queue_signal(info.si_signo, &info); 635 } 636 break; 637 #endif 638 case EXCP_INTERRUPT: 639 /* just indicate that signals should be handled asap */ 640 break; 641 case EXCP_DEBUG: 642 { 643 int sig; 644 645 sig = gdb_handlesig (env, TARGET_SIGTRAP); 646 if (sig) 647 { 648 info.si_signo = sig; 649 info.si_errno = 0; 650 info.si_code = TARGET_TRAP_BRKPT; 651 queue_signal(info.si_signo, &info); 652 } 653 } 654 break; 655 default: 656 printf ("Unhandled trap: 0x%x\n", trapnr); 657 cpu_dump_state(env, stderr, fprintf, 0); 658 exit (1); 659 } 660 process_pending_signals (env); 661 } 662 } 663 664 #endif 665 666 #ifdef TARGET_PPC 667 668 static inline uint64_t cpu_ppc_get_tb (CPUState *env) 669 { 670 /* TO FIX */ 671 return 0; 672 } 673 674 uint32_t cpu_ppc_load_tbl (CPUState *env) 675 { 676 return cpu_ppc_get_tb(env) & 0xFFFFFFFF; 677 } 678 679 uint32_t cpu_ppc_load_tbu (CPUState *env) 680 { 681 return cpu_ppc_get_tb(env) >> 32; 682 } 683 684 static void cpu_ppc_store_tb (CPUState *env, uint64_t value) 685 { 686 /* TO FIX */ 687 } 688 689 void cpu_ppc_store_tbu (CPUState *env, uint32_t value) 690 { 691 cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env)); 692 } 693 694 void cpu_ppc_store_tbl (CPUState *env, uint32_t value) 695 { 696 cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value); 697 } 698 699 void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value) 700 __attribute__ (( alias ("cpu_ppc_store_tbu") )); 701 702 uint32_t cpu_ppc601_load_rtcu (CPUState *env) 703 __attribute__ (( alias ("cpu_ppc_load_tbu") )); 704 705 void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value) 706 { 707 cpu_ppc_store_tbl(env, value & 0x3FFFFF80); 708 } 709 710 uint32_t cpu_ppc601_load_rtcl (CPUState *env) 711 { 712 return cpu_ppc_load_tbl(env) & 0x3FFFFF80; 713 } 714 715 void cpu_loop(CPUPPCState *env) 716 { 717 target_siginfo_t info; 718 int trapnr; 719 uint32_t ret; 720 721 for(;;) { 722 trapnr = cpu_ppc_exec(env); 723 if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH && 724 trapnr != EXCP_TRACE) { 725 if (loglevel > 0) { 726 cpu_dump_state(env, logfile, fprintf, 0); 727 } 728 } 729 switch(trapnr) { 730 case EXCP_NONE: 731 break; 732 case EXCP_SYSCALL_USER: 733 /* system call */ 734 /* WARNING: 735 * PPC ABI uses overflow flag in cr0 to signal an error 736 * in syscalls. 737 */ 738 #if 0 739 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0], 740 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); 741 #endif 742 env->crf[0] &= ~0x1; 743 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], 744 env->gpr[5], env->gpr[6], env->gpr[7], 745 env->gpr[8]); 746 if (ret > (uint32_t)(-515)) { 747 env->crf[0] |= 0x1; 748 ret = -ret; 749 } 750 env->gpr[3] = ret; 751 #if 0 752 printf("syscall returned 0x%08x (%d)\n", ret, ret); 753 #endif 754 break; 755 case EXCP_RESET: 756 /* Should not happen ! */ 757 fprintf(stderr, "RESET asked... Stop emulation\n"); 758 if (loglevel) 759 fprintf(logfile, "RESET asked... Stop emulation\n"); 760 abort(); 761 case EXCP_MACHINE_CHECK: 762 fprintf(stderr, "Machine check exeption... Stop emulation\n"); 763 if (loglevel) 764 fprintf(logfile, "RESET asked... Stop emulation\n"); 765 info.si_signo = TARGET_SIGBUS; 766 info.si_errno = 0; 767 info.si_code = TARGET_BUS_OBJERR; 768 info._sifields._sigfault._addr = env->nip - 4; 769 queue_signal(info.si_signo, &info); 770 case EXCP_DSI: 771 fprintf(stderr, "Invalid data memory access: 0x" ADDRX "\n", 772 env->spr[SPR_DAR]); 773 if (loglevel) { 774 fprintf(logfile, "Invalid data memory access: 0x" ADDRX "\n", 775 env->spr[SPR_DAR]); 776 } 777 switch (env->error_code & 0xFF000000) { 778 case 0x40000000: 779 info.si_signo = TARGET_SIGSEGV; 780 info.si_errno = 0; 781 info.si_code = TARGET_SEGV_MAPERR; 782 break; 783 case 0x04000000: 784 info.si_signo = TARGET_SIGILL; 785 info.si_errno = 0; 786 info.si_code = TARGET_ILL_ILLADR; 787 break; 788 case 0x08000000: 789 info.si_signo = TARGET_SIGSEGV; 790 info.si_errno = 0; 791 info.si_code = TARGET_SEGV_ACCERR; 792 break; 793 default: 794 /* Let's send a regular segfault... */ 795 fprintf(stderr, "Invalid segfault errno (%02x)\n", 796 env->error_code); 797 if (loglevel) { 798 fprintf(logfile, "Invalid segfault errno (%02x)\n", 799 env->error_code); 800 } 801 info.si_signo = TARGET_SIGSEGV; 802 info.si_errno = 0; 803 info.si_code = TARGET_SEGV_MAPERR; 804 break; 805 } 806 info._sifields._sigfault._addr = env->nip; 807 queue_signal(info.si_signo, &info); 808 break; 809 case EXCP_ISI: 810 fprintf(stderr, "Invalid instruction fetch\n"); 811 if (loglevel) 812 fprintf(logfile, "Invalid instruction fetch\n"); 813 switch (env->error_code & 0xFF000000) { 814 case 0x40000000: 815 info.si_signo = TARGET_SIGSEGV; 816 info.si_errno = 0; 817 info.si_code = TARGET_SEGV_MAPERR; 818 break; 819 case 0x10000000: 820 case 0x08000000: 821 info.si_signo = TARGET_SIGSEGV; 822 info.si_errno = 0; 823 info.si_code = TARGET_SEGV_ACCERR; 824 break; 825 default: 826 /* Let's send a regular segfault... */ 827 fprintf(stderr, "Invalid segfault errno (%02x)\n", 828 env->error_code); 829 if (loglevel) { 830 fprintf(logfile, "Invalid segfault errno (%02x)\n", 831 env->error_code); 832 } 833 info.si_signo = TARGET_SIGSEGV; 834 info.si_errno = 0; 835 info.si_code = TARGET_SEGV_MAPERR; 836 break; 837 } 838 info._sifields._sigfault._addr = env->nip - 4; 839 queue_signal(info.si_signo, &info); 840 break; 841 case EXCP_EXTERNAL: 842 /* Should not happen ! */ 843 fprintf(stderr, "External interruption... Stop emulation\n"); 844 if (loglevel) 845 fprintf(logfile, "External interruption... Stop emulation\n"); 846 abort(); 847 case EXCP_ALIGN: 848 fprintf(stderr, "Invalid unaligned memory access\n"); 849 if (loglevel) 850 fprintf(logfile, "Invalid unaligned memory access\n"); 851 info.si_signo = TARGET_SIGBUS; 852 info.si_errno = 0; 853 info.si_code = TARGET_BUS_ADRALN; 854 info._sifields._sigfault._addr = env->nip - 4; 855 queue_signal(info.si_signo, &info); 856 break; 857 case EXCP_PROGRAM: 858 switch (env->error_code & ~0xF) { 859 case EXCP_FP: 860 fprintf(stderr, "Program exception\n"); 861 if (loglevel) 862 fprintf(logfile, "Program exception\n"); 863 /* Set FX */ 864 env->fpscr[7] |= 0x8; 865 /* Finally, update FEX */ 866 if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) & 867 ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3))) 868 env->fpscr[7] |= 0x4; 869 info.si_signo = TARGET_SIGFPE; 870 info.si_errno = 0; 871 switch (env->error_code & 0xF) { 872 case EXCP_FP_OX: 873 info.si_code = TARGET_FPE_FLTOVF; 874 break; 875 case EXCP_FP_UX: 876 info.si_code = TARGET_FPE_FLTUND; 877 break; 878 case EXCP_FP_ZX: 879 case EXCP_FP_VXZDZ: 880 info.si_code = TARGET_FPE_FLTDIV; 881 break; 882 case EXCP_FP_XX: 883 info.si_code = TARGET_FPE_FLTRES; 884 break; 885 case EXCP_FP_VXSOFT: 886 info.si_code = TARGET_FPE_FLTINV; 887 break; 888 case EXCP_FP_VXNAN: 889 case EXCP_FP_VXISI: 890 case EXCP_FP_VXIDI: 891 case EXCP_FP_VXIMZ: 892 case EXCP_FP_VXVC: 893 case EXCP_FP_VXSQRT: 894 case EXCP_FP_VXCVI: 895 info.si_code = TARGET_FPE_FLTSUB; 896 break; 897 default: 898 fprintf(stderr, "Unknown floating point exception " 899 "(%02x)\n", env->error_code); 900 if (loglevel) { 901 fprintf(logfile, "Unknown floating point exception " 902 "(%02x)\n", env->error_code & 0xF); 903 } 904 } 905 break; 906 case EXCP_INVAL: 907 fprintf(stderr, "Invalid instruction\n"); 908 if (loglevel) 909 fprintf(logfile, "Invalid instruction\n"); 910 info.si_signo = TARGET_SIGILL; 911 info.si_errno = 0; 912 switch (env->error_code & 0xF) { 913 case EXCP_INVAL_INVAL: 914 info.si_code = TARGET_ILL_ILLOPC; 915 break; 916 case EXCP_INVAL_LSWX: 917 info.si_code = TARGET_ILL_ILLOPN; 918 break; 919 case EXCP_INVAL_SPR: 920 info.si_code = TARGET_ILL_PRVREG; 921 break; 922 case EXCP_INVAL_FP: 923 info.si_code = TARGET_ILL_COPROC; 924 break; 925 default: 926 fprintf(stderr, "Unknown invalid operation (%02x)\n", 927 env->error_code & 0xF); 928 if (loglevel) { 929 fprintf(logfile, "Unknown invalid operation (%02x)\n", 930 env->error_code & 0xF); 931 } 932 info.si_code = TARGET_ILL_ILLADR; 933 break; 934 } 935 break; 936 case EXCP_PRIV: 937 fprintf(stderr, "Privilege violation\n"); 938 if (loglevel) 939 fprintf(logfile, "Privilege violation\n"); 940 info.si_signo = TARGET_SIGILL; 941 info.si_errno = 0; 942 switch (env->error_code & 0xF) { 943 case EXCP_PRIV_OPC: 944 info.si_code = TARGET_ILL_PRVOPC; 945 break; 946 case EXCP_PRIV_REG: 947 info.si_code = TARGET_ILL_PRVREG; 948 break; 949 default: 950 fprintf(stderr, "Unknown privilege violation (%02x)\n", 951 env->error_code & 0xF); 952 info.si_code = TARGET_ILL_PRVOPC; 953 break; 954 } 955 break; 956 case EXCP_TRAP: 957 fprintf(stderr, "Tried to call a TRAP\n"); 958 if (loglevel) 959 fprintf(logfile, "Tried to call a TRAP\n"); 960 abort(); 961 default: 962 /* Should not happen ! */ 963 fprintf(stderr, "Unknown program exception (%02x)\n", 964 env->error_code); 965 if (loglevel) { 966 fprintf(logfile, "Unknwon program exception (%02x)\n", 967 env->error_code); 968 } 969 abort(); 970 } 971 info._sifields._sigfault._addr = env->nip - 4; 972 queue_signal(info.si_signo, &info); 973 break; 974 case EXCP_NO_FP: 975 fprintf(stderr, "No floating point allowed\n"); 976 if (loglevel) 977 fprintf(logfile, "No floating point allowed\n"); 978 info.si_signo = TARGET_SIGILL; 979 info.si_errno = 0; 980 info.si_code = TARGET_ILL_COPROC; 981 info._sifields._sigfault._addr = env->nip - 4; 982 queue_signal(info.si_signo, &info); 983 break; 984 case EXCP_DECR: 985 /* Should not happen ! */ 986 fprintf(stderr, "Decrementer exception\n"); 987 if (loglevel) 988 fprintf(logfile, "Decrementer exception\n"); 989 abort(); 990 case EXCP_TRACE: 991 /* Do nothing: we use this to trace execution */ 992 break; 993 case EXCP_FP_ASSIST: 994 /* Should not happen ! */ 995 fprintf(stderr, "Floating point assist exception\n"); 996 if (loglevel) 997 fprintf(logfile, "Floating point assist exception\n"); 998 abort(); 999 case EXCP_MTMSR: 1000 /* We reloaded the msr, just go on */ 1001 if (msr_pr == 0) { 1002 fprintf(stderr, "Tried to go into supervisor mode !\n"); 1003 if (loglevel) 1004 fprintf(logfile, "Tried to go into supervisor mode !\n"); 1005 abort(); 1006 } 1007 break; 1008 case EXCP_BRANCH: 1009 /* We stopped because of a jump... */ 1010 break; 1011 case EXCP_INTERRUPT: 1012 /* Don't know why this should ever happen... */ 1013 break; 1014 case EXCP_DEBUG: 1015 { 1016 int sig; 1017 1018 sig = gdb_handlesig (env, TARGET_SIGTRAP); 1019 if (sig) 1020 { 1021 info.si_signo = sig; 1022 info.si_errno = 0; 1023 info.si_code = TARGET_TRAP_BRKPT; 1024 queue_signal(info.si_signo, &info); 1025 } 1026 } 1027 break; 1028 default: 1029 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 1030 trapnr); 1031 if (loglevel) { 1032 fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - " 1033 "0x%02x - aborting\n", trapnr, env->error_code); 1034 } 1035 abort(); 1036 } 1037 process_pending_signals(env); 1038 } 1039 } 1040 #endif 1041 1042 #ifdef TARGET_MIPS 1043 1044 #define MIPS_SYS(name, args) args, 1045 1046 static const uint8_t mips_syscall_args[] = { 1047 MIPS_SYS(sys_syscall , 0) /* 4000 */ 1048 MIPS_SYS(sys_exit , 1) 1049 MIPS_SYS(sys_fork , 0) 1050 MIPS_SYS(sys_read , 3) 1051 MIPS_SYS(sys_write , 3) 1052 MIPS_SYS(sys_open , 3) /* 4005 */ 1053 MIPS_SYS(sys_close , 1) 1054 MIPS_SYS(sys_waitpid , 3) 1055 MIPS_SYS(sys_creat , 2) 1056 MIPS_SYS(sys_link , 2) 1057 MIPS_SYS(sys_unlink , 1) /* 4010 */ 1058 MIPS_SYS(sys_execve , 0) 1059 MIPS_SYS(sys_chdir , 1) 1060 MIPS_SYS(sys_time , 1) 1061 MIPS_SYS(sys_mknod , 3) 1062 MIPS_SYS(sys_chmod , 2) /* 4015 */ 1063 MIPS_SYS(sys_lchown , 3) 1064 MIPS_SYS(sys_ni_syscall , 0) 1065 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ 1066 MIPS_SYS(sys_lseek , 3) 1067 MIPS_SYS(sys_getpid , 0) /* 4020 */ 1068 MIPS_SYS(sys_mount , 5) 1069 MIPS_SYS(sys_oldumount , 1) 1070 MIPS_SYS(sys_setuid , 1) 1071 MIPS_SYS(sys_getuid , 0) 1072 MIPS_SYS(sys_stime , 1) /* 4025 */ 1073 MIPS_SYS(sys_ptrace , 4) 1074 MIPS_SYS(sys_alarm , 1) 1075 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ 1076 MIPS_SYS(sys_pause , 0) 1077 MIPS_SYS(sys_utime , 2) /* 4030 */ 1078 MIPS_SYS(sys_ni_syscall , 0) 1079 MIPS_SYS(sys_ni_syscall , 0) 1080 MIPS_SYS(sys_access , 2) 1081 MIPS_SYS(sys_nice , 1) 1082 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ 1083 MIPS_SYS(sys_sync , 0) 1084 MIPS_SYS(sys_kill , 2) 1085 MIPS_SYS(sys_rename , 2) 1086 MIPS_SYS(sys_mkdir , 2) 1087 MIPS_SYS(sys_rmdir , 1) /* 4040 */ 1088 MIPS_SYS(sys_dup , 1) 1089 MIPS_SYS(sys_pipe , 0) 1090 MIPS_SYS(sys_times , 1) 1091 MIPS_SYS(sys_ni_syscall , 0) 1092 MIPS_SYS(sys_brk , 1) /* 4045 */ 1093 MIPS_SYS(sys_setgid , 1) 1094 MIPS_SYS(sys_getgid , 0) 1095 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ 1096 MIPS_SYS(sys_geteuid , 0) 1097 MIPS_SYS(sys_getegid , 0) /* 4050 */ 1098 MIPS_SYS(sys_acct , 0) 1099 MIPS_SYS(sys_umount , 2) 1100 MIPS_SYS(sys_ni_syscall , 0) 1101 MIPS_SYS(sys_ioctl , 3) 1102 MIPS_SYS(sys_fcntl , 3) /* 4055 */ 1103 MIPS_SYS(sys_ni_syscall , 2) 1104 MIPS_SYS(sys_setpgid , 2) 1105 MIPS_SYS(sys_ni_syscall , 0) 1106 MIPS_SYS(sys_olduname , 1) 1107 MIPS_SYS(sys_umask , 1) /* 4060 */ 1108 MIPS_SYS(sys_chroot , 1) 1109 MIPS_SYS(sys_ustat , 2) 1110 MIPS_SYS(sys_dup2 , 2) 1111 MIPS_SYS(sys_getppid , 0) 1112 MIPS_SYS(sys_getpgrp , 0) /* 4065 */ 1113 MIPS_SYS(sys_setsid , 0) 1114 MIPS_SYS(sys_sigaction , 3) 1115 MIPS_SYS(sys_sgetmask , 0) 1116 MIPS_SYS(sys_ssetmask , 1) 1117 MIPS_SYS(sys_setreuid , 2) /* 4070 */ 1118 MIPS_SYS(sys_setregid , 2) 1119 MIPS_SYS(sys_sigsuspend , 0) 1120 MIPS_SYS(sys_sigpending , 1) 1121 MIPS_SYS(sys_sethostname , 2) 1122 MIPS_SYS(sys_setrlimit , 2) /* 4075 */ 1123 MIPS_SYS(sys_getrlimit , 2) 1124 MIPS_SYS(sys_getrusage , 2) 1125 MIPS_SYS(sys_gettimeofday, 2) 1126 MIPS_SYS(sys_settimeofday, 2) 1127 MIPS_SYS(sys_getgroups , 2) /* 4080 */ 1128 MIPS_SYS(sys_setgroups , 2) 1129 MIPS_SYS(sys_ni_syscall , 0) /* old_select */ 1130 MIPS_SYS(sys_symlink , 2) 1131 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ 1132 MIPS_SYS(sys_readlink , 3) /* 4085 */ 1133 MIPS_SYS(sys_uselib , 1) 1134 MIPS_SYS(sys_swapon , 2) 1135 MIPS_SYS(sys_reboot , 3) 1136 MIPS_SYS(old_readdir , 3) 1137 MIPS_SYS(old_mmap , 6) /* 4090 */ 1138 MIPS_SYS(sys_munmap , 2) 1139 MIPS_SYS(sys_truncate , 2) 1140 MIPS_SYS(sys_ftruncate , 2) 1141 MIPS_SYS(sys_fchmod , 2) 1142 MIPS_SYS(sys_fchown , 3) /* 4095 */ 1143 MIPS_SYS(sys_getpriority , 2) 1144 MIPS_SYS(sys_setpriority , 3) 1145 MIPS_SYS(sys_ni_syscall , 0) 1146 MIPS_SYS(sys_statfs , 2) 1147 MIPS_SYS(sys_fstatfs , 2) /* 4100 */ 1148 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ 1149 MIPS_SYS(sys_socketcall , 2) 1150 MIPS_SYS(sys_syslog , 3) 1151 MIPS_SYS(sys_setitimer , 3) 1152 MIPS_SYS(sys_getitimer , 2) /* 4105 */ 1153 MIPS_SYS(sys_newstat , 2) 1154 MIPS_SYS(sys_newlstat , 2) 1155 MIPS_SYS(sys_newfstat , 2) 1156 MIPS_SYS(sys_uname , 1) 1157 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ 1158 MIPS_SYS(sys_vhangup , 0) 1159 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ 1160 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ 1161 MIPS_SYS(sys_wait4 , 4) 1162 MIPS_SYS(sys_swapoff , 1) /* 4115 */ 1163 MIPS_SYS(sys_sysinfo , 1) 1164 MIPS_SYS(sys_ipc , 6) 1165 MIPS_SYS(sys_fsync , 1) 1166 MIPS_SYS(sys_sigreturn , 0) 1167 MIPS_SYS(sys_clone , 0) /* 4120 */ 1168 MIPS_SYS(sys_setdomainname, 2) 1169 MIPS_SYS(sys_newuname , 1) 1170 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ 1171 MIPS_SYS(sys_adjtimex , 1) 1172 MIPS_SYS(sys_mprotect , 3) /* 4125 */ 1173 MIPS_SYS(sys_sigprocmask , 3) 1174 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ 1175 MIPS_SYS(sys_init_module , 5) 1176 MIPS_SYS(sys_delete_module, 1) 1177 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ 1178 MIPS_SYS(sys_quotactl , 0) 1179 MIPS_SYS(sys_getpgid , 1) 1180 MIPS_SYS(sys_fchdir , 1) 1181 MIPS_SYS(sys_bdflush , 2) 1182 MIPS_SYS(sys_sysfs , 3) /* 4135 */ 1183 MIPS_SYS(sys_personality , 1) 1184 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ 1185 MIPS_SYS(sys_setfsuid , 1) 1186 MIPS_SYS(sys_setfsgid , 1) 1187 MIPS_SYS(sys_llseek , 5) /* 4140 */ 1188 MIPS_SYS(sys_getdents , 3) 1189 MIPS_SYS(sys_select , 5) 1190 MIPS_SYS(sys_flock , 2) 1191 MIPS_SYS(sys_msync , 3) 1192 MIPS_SYS(sys_readv , 3) /* 4145 */ 1193 MIPS_SYS(sys_writev , 3) 1194 MIPS_SYS(sys_cacheflush , 3) 1195 MIPS_SYS(sys_cachectl , 3) 1196 MIPS_SYS(sys_sysmips , 4) 1197 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ 1198 MIPS_SYS(sys_getsid , 1) 1199 MIPS_SYS(sys_fdatasync , 0) 1200 MIPS_SYS(sys_sysctl , 1) 1201 MIPS_SYS(sys_mlock , 2) 1202 MIPS_SYS(sys_munlock , 2) /* 4155 */ 1203 MIPS_SYS(sys_mlockall , 1) 1204 MIPS_SYS(sys_munlockall , 0) 1205 MIPS_SYS(sys_sched_setparam, 2) 1206 MIPS_SYS(sys_sched_getparam, 2) 1207 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ 1208 MIPS_SYS(sys_sched_getscheduler, 1) 1209 MIPS_SYS(sys_sched_yield , 0) 1210 MIPS_SYS(sys_sched_get_priority_max, 1) 1211 MIPS_SYS(sys_sched_get_priority_min, 1) 1212 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ 1213 MIPS_SYS(sys_nanosleep, 2) 1214 MIPS_SYS(sys_mremap , 4) 1215 MIPS_SYS(sys_accept , 3) 1216 MIPS_SYS(sys_bind , 3) 1217 MIPS_SYS(sys_connect , 3) /* 4170 */ 1218 MIPS_SYS(sys_getpeername , 3) 1219 MIPS_SYS(sys_getsockname , 3) 1220 MIPS_SYS(sys_getsockopt , 5) 1221 MIPS_SYS(sys_listen , 2) 1222 MIPS_SYS(sys_recv , 4) /* 4175 */ 1223 MIPS_SYS(sys_recvfrom , 6) 1224 MIPS_SYS(sys_recvmsg , 3) 1225 MIPS_SYS(sys_send , 4) 1226 MIPS_SYS(sys_sendmsg , 3) 1227 MIPS_SYS(sys_sendto , 6) /* 4180 */ 1228 MIPS_SYS(sys_setsockopt , 5) 1229 MIPS_SYS(sys_shutdown , 2) 1230 MIPS_SYS(sys_socket , 3) 1231 MIPS_SYS(sys_socketpair , 4) 1232 MIPS_SYS(sys_setresuid , 3) /* 4185 */ 1233 MIPS_SYS(sys_getresuid , 3) 1234 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ 1235 MIPS_SYS(sys_poll , 3) 1236 MIPS_SYS(sys_nfsservctl , 3) 1237 MIPS_SYS(sys_setresgid , 3) /* 4190 */ 1238 MIPS_SYS(sys_getresgid , 3) 1239 MIPS_SYS(sys_prctl , 5) 1240 MIPS_SYS(sys_rt_sigreturn, 0) 1241 MIPS_SYS(sys_rt_sigaction, 4) 1242 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ 1243 MIPS_SYS(sys_rt_sigpending, 2) 1244 MIPS_SYS(sys_rt_sigtimedwait, 4) 1245 MIPS_SYS(sys_rt_sigqueueinfo, 3) 1246 MIPS_SYS(sys_rt_sigsuspend, 0) 1247 MIPS_SYS(sys_pread64 , 6) /* 4200 */ 1248 MIPS_SYS(sys_pwrite64 , 6) 1249 MIPS_SYS(sys_chown , 3) 1250 MIPS_SYS(sys_getcwd , 2) 1251 MIPS_SYS(sys_capget , 2) 1252 MIPS_SYS(sys_capset , 2) /* 4205 */ 1253 MIPS_SYS(sys_sigaltstack , 0) 1254 MIPS_SYS(sys_sendfile , 4) 1255 MIPS_SYS(sys_ni_syscall , 0) 1256 MIPS_SYS(sys_ni_syscall , 0) 1257 MIPS_SYS(sys_mmap2 , 6) /* 4210 */ 1258 MIPS_SYS(sys_truncate64 , 4) 1259 MIPS_SYS(sys_ftruncate64 , 4) 1260 MIPS_SYS(sys_stat64 , 2) 1261 MIPS_SYS(sys_lstat64 , 2) 1262 MIPS_SYS(sys_fstat64 , 2) /* 4215 */ 1263 MIPS_SYS(sys_pivot_root , 2) 1264 MIPS_SYS(sys_mincore , 3) 1265 MIPS_SYS(sys_madvise , 3) 1266 MIPS_SYS(sys_getdents64 , 3) 1267 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ 1268 MIPS_SYS(sys_ni_syscall , 0) 1269 MIPS_SYS(sys_gettid , 0) 1270 MIPS_SYS(sys_readahead , 5) 1271 MIPS_SYS(sys_setxattr , 5) 1272 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ 1273 MIPS_SYS(sys_fsetxattr , 5) 1274 MIPS_SYS(sys_getxattr , 4) 1275 MIPS_SYS(sys_lgetxattr , 4) 1276 MIPS_SYS(sys_fgetxattr , 4) 1277 MIPS_SYS(sys_listxattr , 3) /* 4230 */ 1278 MIPS_SYS(sys_llistxattr , 3) 1279 MIPS_SYS(sys_flistxattr , 3) 1280 MIPS_SYS(sys_removexattr , 2) 1281 MIPS_SYS(sys_lremovexattr, 2) 1282 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ 1283 MIPS_SYS(sys_tkill , 2) 1284 MIPS_SYS(sys_sendfile64 , 5) 1285 MIPS_SYS(sys_futex , 2) 1286 MIPS_SYS(sys_sched_setaffinity, 3) 1287 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ 1288 MIPS_SYS(sys_io_setup , 2) 1289 MIPS_SYS(sys_io_destroy , 1) 1290 MIPS_SYS(sys_io_getevents, 5) 1291 MIPS_SYS(sys_io_submit , 3) 1292 MIPS_SYS(sys_io_cancel , 3) /* 4245 */ 1293 MIPS_SYS(sys_exit_group , 1) 1294 MIPS_SYS(sys_lookup_dcookie, 3) 1295 MIPS_SYS(sys_epoll_create, 1) 1296 MIPS_SYS(sys_epoll_ctl , 4) 1297 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ 1298 MIPS_SYS(sys_remap_file_pages, 5) 1299 MIPS_SYS(sys_set_tid_address, 1) 1300 MIPS_SYS(sys_restart_syscall, 0) 1301 MIPS_SYS(sys_fadvise64_64, 7) 1302 MIPS_SYS(sys_statfs64 , 3) /* 4255 */ 1303 MIPS_SYS(sys_fstatfs64 , 2) 1304 MIPS_SYS(sys_timer_create, 3) 1305 MIPS_SYS(sys_timer_settime, 4) 1306 MIPS_SYS(sys_timer_gettime, 2) 1307 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ 1308 MIPS_SYS(sys_timer_delete, 1) 1309 MIPS_SYS(sys_clock_settime, 2) 1310 MIPS_SYS(sys_clock_gettime, 2) 1311 MIPS_SYS(sys_clock_getres, 2) 1312 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ 1313 MIPS_SYS(sys_tgkill , 3) 1314 MIPS_SYS(sys_utimes , 2) 1315 MIPS_SYS(sys_mbind , 4) 1316 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ 1317 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ 1318 MIPS_SYS(sys_mq_open , 4) 1319 MIPS_SYS(sys_mq_unlink , 1) 1320 MIPS_SYS(sys_mq_timedsend, 5) 1321 MIPS_SYS(sys_mq_timedreceive, 5) 1322 MIPS_SYS(sys_mq_notify , 2) /* 4275 */ 1323 MIPS_SYS(sys_mq_getsetattr, 3) 1324 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ 1325 MIPS_SYS(sys_waitid , 4) 1326 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ 1327 MIPS_SYS(sys_add_key , 5) 1328 MIPS_SYS(sys_request_key, 4) 1329 MIPS_SYS(sys_keyctl , 5) 1330 MIPS_SYS(sys_set_thread_area, 1) 1331 MIPS_SYS(sys_inotify_init, 0) 1332 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */ 1333 MIPS_SYS(sys_inotify_rm_watch, 2) 1334 MIPS_SYS(sys_migrate_pages, 4) 1335 MIPS_SYS(sys_openat, 4) 1336 MIPS_SYS(sys_mkdirat, 3) 1337 MIPS_SYS(sys_mknodat, 4) /* 4290 */ 1338 MIPS_SYS(sys_fchownat, 5) 1339 MIPS_SYS(sys_futimesat, 3) 1340 MIPS_SYS(sys_fstatat64, 4) 1341 MIPS_SYS(sys_unlinkat, 3) 1342 MIPS_SYS(sys_renameat, 4) /* 4295 */ 1343 MIPS_SYS(sys_linkat, 5) 1344 MIPS_SYS(sys_symlinkat, 3) 1345 MIPS_SYS(sys_readlinkat, 4) 1346 MIPS_SYS(sys_fchmodat, 3) 1347 MIPS_SYS(sys_faccessat, 3) /* 4300 */ 1348 MIPS_SYS(sys_pselect6, 6) 1349 MIPS_SYS(sys_ppoll, 5) 1350 MIPS_SYS(sys_unshare, 1) 1351 MIPS_SYS(sys_splice, 4) 1352 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */ 1353 MIPS_SYS(sys_tee, 4) 1354 MIPS_SYS(sys_vmsplice, 4) 1355 MIPS_SYS(sys_move_pages, 6) 1356 MIPS_SYS(sys_set_robust_list, 2) 1357 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */ 1358 MIPS_SYS(sys_kexec_load, 4) 1359 MIPS_SYS(sys_getcpu, 3) 1360 MIPS_SYS(sys_epoll_pwait, 6) 1361 MIPS_SYS(sys_ioprio_set, 3) 1362 MIPS_SYS(sys_ioprio_get, 2) 1363 }; 1364 1365 #undef MIPS_SYS 1366 1367 void cpu_loop(CPUMIPSState *env) 1368 { 1369 target_siginfo_t info; 1370 int trapnr, ret; 1371 unsigned int syscall_num; 1372 1373 for(;;) { 1374 trapnr = cpu_mips_exec(env); 1375 switch(trapnr) { 1376 case EXCP_SYSCALL: 1377 syscall_num = env->gpr[2][env->current_tc] - 4000; 1378 env->PC[env->current_tc] += 4; 1379 if (syscall_num >= sizeof(mips_syscall_args)) { 1380 ret = -ENOSYS; 1381 } else { 1382 int nb_args; 1383 target_ulong sp_reg; 1384 target_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0; 1385 1386 nb_args = mips_syscall_args[syscall_num]; 1387 sp_reg = env->gpr[29][env->current_tc]; 1388 switch (nb_args) { 1389 /* these arguments are taken from the stack */ 1390 case 8: arg8 = tgetl(sp_reg + 28); 1391 case 7: arg7 = tgetl(sp_reg + 24); 1392 case 6: arg6 = tgetl(sp_reg + 20); 1393 case 5: arg5 = tgetl(sp_reg + 16); 1394 default: 1395 break; 1396 } 1397 ret = do_syscall(env, env->gpr[2][env->current_tc], 1398 env->gpr[4][env->current_tc], 1399 env->gpr[5][env->current_tc], 1400 env->gpr[6][env->current_tc], 1401 env->gpr[7][env->current_tc], 1402 arg5, arg6/*, arg7, arg8*/); 1403 } 1404 if ((unsigned int)ret >= (unsigned int)(-1133)) { 1405 env->gpr[7][env->current_tc] = 1; /* error flag */ 1406 ret = -ret; 1407 } else { 1408 env->gpr[7][env->current_tc] = 0; /* error flag */ 1409 } 1410 env->gpr[2][env->current_tc] = ret; 1411 break; 1412 case EXCP_TLBL: 1413 case EXCP_TLBS: 1414 case EXCP_CpU: 1415 case EXCP_RI: 1416 info.si_signo = TARGET_SIGILL; 1417 info.si_errno = 0; 1418 info.si_code = 0; 1419 queue_signal(info.si_signo, &info); 1420 break; 1421 case EXCP_INTERRUPT: 1422 /* just indicate that signals should be handled asap */ 1423 break; 1424 case EXCP_DEBUG: 1425 { 1426 int sig; 1427 1428 sig = gdb_handlesig (env, TARGET_SIGTRAP); 1429 if (sig) 1430 { 1431 info.si_signo = sig; 1432 info.si_errno = 0; 1433 info.si_code = TARGET_TRAP_BRKPT; 1434 queue_signal(info.si_signo, &info); 1435 } 1436 } 1437 break; 1438 default: 1439 // error: 1440 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 1441 trapnr); 1442 cpu_dump_state(env, stderr, fprintf, 0); 1443 abort(); 1444 } 1445 process_pending_signals(env); 1446 } 1447 } 1448 #endif 1449 1450 #ifdef TARGET_SH4 1451 void cpu_loop (CPUState *env) 1452 { 1453 int trapnr, ret; 1454 target_siginfo_t info; 1455 1456 while (1) { 1457 trapnr = cpu_sh4_exec (env); 1458 1459 switch (trapnr) { 1460 case 0x160: 1461 ret = do_syscall(env, 1462 env->gregs[3], 1463 env->gregs[4], 1464 env->gregs[5], 1465 env->gregs[6], 1466 env->gregs[7], 1467 env->gregs[0], 1468 0); 1469 env->gregs[0] = ret; 1470 env->pc += 2; 1471 break; 1472 case EXCP_DEBUG: 1473 { 1474 int sig; 1475 1476 sig = gdb_handlesig (env, TARGET_SIGTRAP); 1477 if (sig) 1478 { 1479 info.si_signo = sig; 1480 info.si_errno = 0; 1481 info.si_code = TARGET_TRAP_BRKPT; 1482 queue_signal(info.si_signo, &info); 1483 } 1484 } 1485 break; 1486 default: 1487 printf ("Unhandled trap: 0x%x\n", trapnr); 1488 cpu_dump_state(env, stderr, fprintf, 0); 1489 exit (1); 1490 } 1491 process_pending_signals (env); 1492 } 1493 } 1494 #endif 1495 1496 #ifdef TARGET_M68K 1497 1498 void cpu_loop(CPUM68KState *env) 1499 { 1500 int trapnr; 1501 unsigned int n; 1502 target_siginfo_t info; 1503 TaskState *ts = env->opaque; 1504 1505 for(;;) { 1506 trapnr = cpu_m68k_exec(env); 1507 switch(trapnr) { 1508 case EXCP_ILLEGAL: 1509 { 1510 if (ts->sim_syscalls) { 1511 uint16_t nr; 1512 nr = lduw(env->pc + 2); 1513 env->pc += 4; 1514 do_m68k_simcall(env, nr); 1515 } else { 1516 goto do_sigill; 1517 } 1518 } 1519 break; 1520 case EXCP_HALT_INSN: 1521 /* Semihosing syscall. */ 1522 env->pc += 4; 1523 do_m68k_semihosting(env, env->dregs[0]); 1524 break; 1525 case EXCP_LINEA: 1526 case EXCP_LINEF: 1527 case EXCP_UNSUPPORTED: 1528 do_sigill: 1529 info.si_signo = SIGILL; 1530 info.si_errno = 0; 1531 info.si_code = TARGET_ILL_ILLOPN; 1532 info._sifields._sigfault._addr = env->pc; 1533 queue_signal(info.si_signo, &info); 1534 break; 1535 case EXCP_TRAP0: 1536 { 1537 ts->sim_syscalls = 0; 1538 n = env->dregs[0]; 1539 env->pc += 2; 1540 env->dregs[0] = do_syscall(env, 1541 n, 1542 env->dregs[1], 1543 env->dregs[2], 1544 env->dregs[3], 1545 env->dregs[4], 1546 env->dregs[5], 1547 env->dregs[6]); 1548 } 1549 break; 1550 case EXCP_INTERRUPT: 1551 /* just indicate that signals should be handled asap */ 1552 break; 1553 case EXCP_ACCESS: 1554 { 1555 info.si_signo = SIGSEGV; 1556 info.si_errno = 0; 1557 /* XXX: check env->error_code */ 1558 info.si_code = TARGET_SEGV_MAPERR; 1559 info._sifields._sigfault._addr = env->mmu.ar; 1560 queue_signal(info.si_signo, &info); 1561 } 1562 break; 1563 case EXCP_DEBUG: 1564 { 1565 int sig; 1566 1567 sig = gdb_handlesig (env, TARGET_SIGTRAP); 1568 if (sig) 1569 { 1570 info.si_signo = sig; 1571 info.si_errno = 0; 1572 info.si_code = TARGET_TRAP_BRKPT; 1573 queue_signal(info.si_signo, &info); 1574 } 1575 } 1576 break; 1577 default: 1578 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 1579 trapnr); 1580 cpu_dump_state(env, stderr, fprintf, 0); 1581 abort(); 1582 } 1583 process_pending_signals(env); 1584 } 1585 } 1586 #endif /* TARGET_M68K */ 1587 1588 #ifdef TARGET_ALPHA 1589 void cpu_loop (CPUState *env) 1590 { 1591 int trapnr; 1592 target_siginfo_t info; 1593 1594 while (1) { 1595 trapnr = cpu_alpha_exec (env); 1596 1597 switch (trapnr) { 1598 case EXCP_RESET: 1599 fprintf(stderr, "Reset requested. Exit\n"); 1600 exit(1); 1601 break; 1602 case EXCP_MCHK: 1603 fprintf(stderr, "Machine check exception. Exit\n"); 1604 exit(1); 1605 break; 1606 case EXCP_ARITH: 1607 fprintf(stderr, "Arithmetic trap.\n"); 1608 exit(1); 1609 break; 1610 case EXCP_HW_INTERRUPT: 1611 fprintf(stderr, "External interrupt. Exit\n"); 1612 exit(1); 1613 break; 1614 case EXCP_DFAULT: 1615 fprintf(stderr, "MMU data fault\n"); 1616 exit(1); 1617 break; 1618 case EXCP_DTB_MISS_PAL: 1619 fprintf(stderr, "MMU data TLB miss in PALcode\n"); 1620 exit(1); 1621 break; 1622 case EXCP_ITB_MISS: 1623 fprintf(stderr, "MMU instruction TLB miss\n"); 1624 exit(1); 1625 break; 1626 case EXCP_ITB_ACV: 1627 fprintf(stderr, "MMU instruction access violation\n"); 1628 exit(1); 1629 break; 1630 case EXCP_DTB_MISS_NATIVE: 1631 fprintf(stderr, "MMU data TLB miss\n"); 1632 exit(1); 1633 break; 1634 case EXCP_UNALIGN: 1635 fprintf(stderr, "Unaligned access\n"); 1636 exit(1); 1637 break; 1638 case EXCP_OPCDEC: 1639 fprintf(stderr, "Invalid instruction\n"); 1640 exit(1); 1641 break; 1642 case EXCP_FEN: 1643 fprintf(stderr, "Floating-point not allowed\n"); 1644 exit(1); 1645 break; 1646 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1): 1647 fprintf(stderr, "Call to PALcode\n"); 1648 call_pal(env, (trapnr >> 6) | 0x80); 1649 break; 1650 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1): 1651 fprintf(stderr, "Privileged call to PALcode\n"); 1652 exit(1); 1653 break; 1654 case EXCP_DEBUG: 1655 { 1656 int sig; 1657 1658 sig = gdb_handlesig (env, TARGET_SIGTRAP); 1659 if (sig) 1660 { 1661 info.si_signo = sig; 1662 info.si_errno = 0; 1663 info.si_code = TARGET_TRAP_BRKPT; 1664 queue_signal(info.si_signo, &info); 1665 } 1666 } 1667 break; 1668 default: 1669 printf ("Unhandled trap: 0x%x\n", trapnr); 1670 cpu_dump_state(env, stderr, fprintf, 0); 1671 exit (1); 1672 } 1673 process_pending_signals (env); 1674 } 1675 } 1676 #endif /* TARGET_ALPHA */ 1677 1678 void usage(void) 1679 { 1680 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n" 1681 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n" 1682 "Linux CPU emulator (compiled for %s emulation)\n" 1683 "\n" 1684 "-h print this help\n" 1685 "-g port wait gdb connection to port\n" 1686 "-L path set the elf interpreter prefix (default=%s)\n" 1687 "-s size set the stack size in bytes (default=%ld)\n" 1688 "-cpu model select CPU (-cpu ? for list)\n" 1689 "-drop-ld-preload drop LD_PRELOAD for target process\n" 1690 "\n" 1691 "debug options:\n" 1692 #ifdef USE_CODE_COPY 1693 "-no-code-copy disable code copy acceleration\n" 1694 #endif 1695 "-d options activate log (logfile=%s)\n" 1696 "-p pagesize set the host page size to 'pagesize'\n", 1697 TARGET_ARCH, 1698 interp_prefix, 1699 x86_stack_size, 1700 DEBUG_LOGFILE); 1701 _exit(1); 1702 } 1703 1704 /* XXX: currently only used for async signals (see signal.c) */ 1705 CPUState *global_env; 1706 1707 /* used to free thread contexts */ 1708 TaskState *first_task_state; 1709 1710 int main(int argc, char **argv) 1711 { 1712 const char *filename; 1713 const char *cpu_model; 1714 struct target_pt_regs regs1, *regs = ®s1; 1715 struct image_info info1, *info = &info1; 1716 TaskState ts1, *ts = &ts1; 1717 CPUState *env; 1718 int optind; 1719 const char *r; 1720 int gdbstub_port = 0; 1721 int drop_ld_preload = 0, environ_count = 0; 1722 char **target_environ, **wrk, **dst; 1723 1724 if (argc <= 1) 1725 usage(); 1726 1727 /* init debug */ 1728 cpu_set_log_filename(DEBUG_LOGFILE); 1729 1730 cpu_model = NULL; 1731 optind = 1; 1732 for(;;) { 1733 if (optind >= argc) 1734 break; 1735 r = argv[optind]; 1736 if (r[0] != '-') 1737 break; 1738 optind++; 1739 r++; 1740 if (!strcmp(r, "-")) { 1741 break; 1742 } else if (!strcmp(r, "d")) { 1743 int mask; 1744 CPULogItem *item; 1745 1746 if (optind >= argc) 1747 break; 1748 1749 r = argv[optind++]; 1750 mask = cpu_str_to_log_mask(r); 1751 if (!mask) { 1752 printf("Log items (comma separated):\n"); 1753 for(item = cpu_log_items; item->mask != 0; item++) { 1754 printf("%-10s %s\n", item->name, item->help); 1755 } 1756 exit(1); 1757 } 1758 cpu_set_log(mask); 1759 } else if (!strcmp(r, "s")) { 1760 r = argv[optind++]; 1761 x86_stack_size = strtol(r, (char **)&r, 0); 1762 if (x86_stack_size <= 0) 1763 usage(); 1764 if (*r == 'M') 1765 x86_stack_size *= 1024 * 1024; 1766 else if (*r == 'k' || *r == 'K') 1767 x86_stack_size *= 1024; 1768 } else if (!strcmp(r, "L")) { 1769 interp_prefix = argv[optind++]; 1770 } else if (!strcmp(r, "p")) { 1771 qemu_host_page_size = atoi(argv[optind++]); 1772 if (qemu_host_page_size == 0 || 1773 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { 1774 fprintf(stderr, "page size must be a power of two\n"); 1775 exit(1); 1776 } 1777 } else if (!strcmp(r, "g")) { 1778 gdbstub_port = atoi(argv[optind++]); 1779 } else if (!strcmp(r, "r")) { 1780 qemu_uname_release = argv[optind++]; 1781 } else if (!strcmp(r, "cpu")) { 1782 cpu_model = argv[optind++]; 1783 if (strcmp(cpu_model, "?") == 0) { 1784 #if defined(TARGET_PPC) 1785 ppc_cpu_list(stdout, &fprintf); 1786 #elif defined(TARGET_ARM) 1787 arm_cpu_list(); 1788 #elif defined(TARGET_MIPS) 1789 mips_cpu_list(stdout, &fprintf); 1790 #elif defined(TARGET_SPARC) 1791 sparc_cpu_list(stdout, &fprintf); 1792 #endif 1793 _exit(1); 1794 } 1795 } else if (!strcmp(r, "drop-ld-preload")) { 1796 drop_ld_preload = 1; 1797 } else 1798 #ifdef USE_CODE_COPY 1799 if (!strcmp(r, "no-code-copy")) { 1800 code_copy_enabled = 0; 1801 } else 1802 #endif 1803 { 1804 usage(); 1805 } 1806 } 1807 if (optind >= argc) 1808 usage(); 1809 filename = argv[optind]; 1810 1811 /* Zero out regs */ 1812 memset(regs, 0, sizeof(struct target_pt_regs)); 1813 1814 /* Zero out image_info */ 1815 memset(info, 0, sizeof(struct image_info)); 1816 1817 /* Scan interp_prefix dir for replacement files. */ 1818 init_paths(interp_prefix); 1819 1820 /* NOTE: we need to init the CPU at this stage to get 1821 qemu_host_page_size */ 1822 env = cpu_init(); 1823 global_env = env; 1824 1825 wrk = environ; 1826 while (*(wrk++)) 1827 environ_count++; 1828 1829 target_environ = malloc((environ_count + 1) * sizeof(char *)); 1830 if (!target_environ) 1831 abort(); 1832 for (wrk = environ, dst = target_environ; *wrk; wrk++) { 1833 if (drop_ld_preload && !strncmp(*wrk, "LD_PRELOAD=", 11)) 1834 continue; 1835 *(dst++) = strdup(*wrk); 1836 } 1837 *dst = NULL; /* NULL terminate target_environ */ 1838 1839 if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) { 1840 printf("Error loading %s\n", filename); 1841 _exit(1); 1842 } 1843 1844 for (wrk = target_environ; *wrk; wrk++) { 1845 free(*wrk); 1846 } 1847 1848 free(target_environ); 1849 1850 if (loglevel) { 1851 page_dump(logfile); 1852 1853 fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk); 1854 fprintf(logfile, "end_code 0x%08lx\n" , info->end_code); 1855 fprintf(logfile, "start_code 0x%08lx\n" , info->start_code); 1856 fprintf(logfile, "start_data 0x%08lx\n" , info->start_data); 1857 fprintf(logfile, "end_data 0x%08lx\n" , info->end_data); 1858 fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack); 1859 fprintf(logfile, "brk 0x%08lx\n" , info->brk); 1860 fprintf(logfile, "entry 0x%08lx\n" , info->entry); 1861 } 1862 1863 target_set_brk(info->brk); 1864 syscall_init(); 1865 signal_init(); 1866 1867 /* build Task State */ 1868 memset(ts, 0, sizeof(TaskState)); 1869 env->opaque = ts; 1870 ts->used = 1; 1871 ts->info = info; 1872 env->user_mode_only = 1; 1873 1874 #if defined(TARGET_I386) 1875 cpu_x86_set_cpl(env, 3); 1876 1877 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; 1878 env->hflags |= HF_PE_MASK; 1879 if (env->cpuid_features & CPUID_SSE) { 1880 env->cr[4] |= CR4_OSFXSR_MASK; 1881 env->hflags |= HF_OSFXSR_MASK; 1882 } 1883 1884 /* flags setup : we activate the IRQs by default as in user mode */ 1885 env->eflags |= IF_MASK; 1886 1887 /* linux register setup */ 1888 #if defined(TARGET_X86_64) 1889 env->regs[R_EAX] = regs->rax; 1890 env->regs[R_EBX] = regs->rbx; 1891 env->regs[R_ECX] = regs->rcx; 1892 env->regs[R_EDX] = regs->rdx; 1893 env->regs[R_ESI] = regs->rsi; 1894 env->regs[R_EDI] = regs->rdi; 1895 env->regs[R_EBP] = regs->rbp; 1896 env->regs[R_ESP] = regs->rsp; 1897 env->eip = regs->rip; 1898 #else 1899 env->regs[R_EAX] = regs->eax; 1900 env->regs[R_EBX] = regs->ebx; 1901 env->regs[R_ECX] = regs->ecx; 1902 env->regs[R_EDX] = regs->edx; 1903 env->regs[R_ESI] = regs->esi; 1904 env->regs[R_EDI] = regs->edi; 1905 env->regs[R_EBP] = regs->ebp; 1906 env->regs[R_ESP] = regs->esp; 1907 env->eip = regs->eip; 1908 #endif 1909 1910 /* linux interrupt setup */ 1911 env->idt.base = h2g(idt_table); 1912 env->idt.limit = sizeof(idt_table) - 1; 1913 set_idt(0, 0); 1914 set_idt(1, 0); 1915 set_idt(2, 0); 1916 set_idt(3, 3); 1917 set_idt(4, 3); 1918 set_idt(5, 3); 1919 set_idt(6, 0); 1920 set_idt(7, 0); 1921 set_idt(8, 0); 1922 set_idt(9, 0); 1923 set_idt(10, 0); 1924 set_idt(11, 0); 1925 set_idt(12, 0); 1926 set_idt(13, 0); 1927 set_idt(14, 0); 1928 set_idt(15, 0); 1929 set_idt(16, 0); 1930 set_idt(17, 0); 1931 set_idt(18, 0); 1932 set_idt(19, 0); 1933 set_idt(0x80, 3); 1934 1935 /* linux segment setup */ 1936 env->gdt.base = h2g(gdt_table); 1937 env->gdt.limit = sizeof(gdt_table) - 1; 1938 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, 1939 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | 1940 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); 1941 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, 1942 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | 1943 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); 1944 cpu_x86_load_seg(env, R_CS, __USER_CS); 1945 cpu_x86_load_seg(env, R_DS, __USER_DS); 1946 cpu_x86_load_seg(env, R_ES, __USER_DS); 1947 cpu_x86_load_seg(env, R_SS, __USER_DS); 1948 cpu_x86_load_seg(env, R_FS, __USER_DS); 1949 cpu_x86_load_seg(env, R_GS, __USER_DS); 1950 1951 /* This hack makes Wine work... */ 1952 env->segs[R_FS].selector = 0; 1953 #elif defined(TARGET_ARM) 1954 { 1955 int i; 1956 if (cpu_model == NULL) 1957 cpu_model = "arm926"; 1958 cpu_arm_set_model(env, cpu_model); 1959 cpsr_write(env, regs->uregs[16], 0xffffffff); 1960 for(i = 0; i < 16; i++) { 1961 env->regs[i] = regs->uregs[i]; 1962 } 1963 } 1964 #elif defined(TARGET_SPARC) 1965 { 1966 int i; 1967 const sparc_def_t *def; 1968 #ifdef TARGET_SPARC64 1969 if (cpu_model == NULL) 1970 cpu_model = "TI UltraSparc II"; 1971 #else 1972 if (cpu_model == NULL) 1973 cpu_model = "Fujitsu MB86904"; 1974 #endif 1975 sparc_find_by_name(cpu_model, &def); 1976 if (def == NULL) { 1977 fprintf(stderr, "Unable to find Sparc CPU definition\n"); 1978 exit(1); 1979 } 1980 cpu_sparc_register(env, def); 1981 env->pc = regs->pc; 1982 env->npc = regs->npc; 1983 env->y = regs->y; 1984 for(i = 0; i < 8; i++) 1985 env->gregs[i] = regs->u_regs[i]; 1986 for(i = 0; i < 8; i++) 1987 env->regwptr[i] = regs->u_regs[i + 8]; 1988 } 1989 #elif defined(TARGET_PPC) 1990 { 1991 ppc_def_t *def; 1992 int i; 1993 1994 /* Choose and initialise CPU */ 1995 if (cpu_model == NULL) 1996 cpu_model = "750"; 1997 ppc_find_by_name(cpu_model, &def); 1998 if (def == NULL) { 1999 cpu_abort(env, 2000 "Unable to find PowerPC CPU definition\n"); 2001 } 2002 cpu_ppc_register(env, def); 2003 2004 for (i = 0; i < 32; i++) { 2005 if (i != 12 && i != 6 && i != 13) 2006 env->msr[i] = (regs->msr >> i) & 1; 2007 } 2008 #if defined(TARGET_PPC64) 2009 msr_sf = 1; 2010 #endif 2011 env->nip = regs->nip; 2012 for(i = 0; i < 32; i++) { 2013 env->gpr[i] = regs->gpr[i]; 2014 } 2015 } 2016 #elif defined(TARGET_M68K) 2017 { 2018 if (cpu_model == NULL) 2019 cpu_model = "any"; 2020 if (cpu_m68k_set_model(env, cpu_model)) { 2021 cpu_abort(cpu_single_env, 2022 "Unable to find m68k CPU definition\n"); 2023 } 2024 env->pc = regs->pc; 2025 env->dregs[0] = regs->d0; 2026 env->dregs[1] = regs->d1; 2027 env->dregs[2] = regs->d2; 2028 env->dregs[3] = regs->d3; 2029 env->dregs[4] = regs->d4; 2030 env->dregs[5] = regs->d5; 2031 env->dregs[6] = regs->d6; 2032 env->dregs[7] = regs->d7; 2033 env->aregs[0] = regs->a0; 2034 env->aregs[1] = regs->a1; 2035 env->aregs[2] = regs->a2; 2036 env->aregs[3] = regs->a3; 2037 env->aregs[4] = regs->a4; 2038 env->aregs[5] = regs->a5; 2039 env->aregs[6] = regs->a6; 2040 env->aregs[7] = regs->usp; 2041 env->sr = regs->sr; 2042 ts->sim_syscalls = 1; 2043 } 2044 #elif defined(TARGET_MIPS) 2045 { 2046 mips_def_t *def; 2047 int i; 2048 2049 /* Choose and initialise CPU */ 2050 if (cpu_model == NULL) 2051 cpu_model = "24Kf"; 2052 mips_find_by_name(cpu_model, &def); 2053 if (def == NULL) 2054 cpu_abort(env, "Unable to find MIPS CPU definition\n"); 2055 cpu_mips_register(env, def); 2056 2057 for(i = 0; i < 32; i++) { 2058 env->gpr[i][env->current_tc] = regs->regs[i]; 2059 } 2060 env->PC[env->current_tc] = regs->cp0_epc; 2061 } 2062 #elif defined(TARGET_SH4) 2063 { 2064 int i; 2065 2066 for(i = 0; i < 16; i++) { 2067 env->gregs[i] = regs->regs[i]; 2068 } 2069 env->pc = regs->pc; 2070 } 2071 #elif defined(TARGET_ALPHA) 2072 { 2073 int i; 2074 2075 for(i = 0; i < 28; i++) { 2076 env->ir[i] = ((target_ulong *)regs)[i]; 2077 } 2078 env->ipr[IPR_USP] = regs->usp; 2079 env->ir[30] = regs->usp; 2080 env->pc = regs->pc; 2081 env->unique = regs->unique; 2082 } 2083 #else 2084 #error unsupported target CPU 2085 #endif 2086 2087 #if defined(TARGET_ARM) || defined(TARGET_M68K) 2088 ts->stack_base = info->start_stack; 2089 ts->heap_base = info->brk; 2090 /* This will be filled in on the first SYS_HEAPINFO call. */ 2091 ts->heap_limit = 0; 2092 #endif 2093 2094 if (gdbstub_port) { 2095 gdbserver_start (gdbstub_port); 2096 gdb_handlesig(env, 0); 2097 } 2098 cpu_loop(env); 2099 /* never exits */ 2100 return 0; 2101 } 2102