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31e31b8a 1/*
93ac68bc 2 * qemu user main
31e31b8a
FB		 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>
04369ff2 23#include <string.h>
31e31b8a 24#include <errno.h>
0ecfa993 25#include <unistd.h>
31e31b8a 26
3ef693a0 27#include "qemu.h"
31e31b8a 28
3ef693a0 29#define DEBUG_LOGFILE "/tmp/qemu.log"
586314f2 30
83fb7adf
FB		 31#ifdef __APPLE__
32#include <crt_externs.h>
33# define environ (*_NSGetEnviron())
34#endif
35
74cd30b8 36static const char *interp_prefix = CONFIG_QEMU_PREFIX;
c5937220 37const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
586314f2 38
3a4739d6 39#if defined(__i386__) && !defined(CONFIG_STATIC)
f801f97e
FB		 40/* Force usage of an ELF interpreter even if it is an ELF shared
41 object ! */
42const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
4304763b 43#endif
74cd30b8 44
93ac68bc 45/* for recent libc, we add these dummy symbols which are not declared
74cd30b8 46 when generating a linked object (bug in ld ?) */
fbf59244 47#if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
c6981055
FB		 48long __preinit_array_start[0];
49long __preinit_array_end[0];
74cd30b8
FB		 50long __init_array_start[0];
51long __init_array_end[0];
52long __fini_array_start[0];
53long __fini_array_end[0];
54#endif
55
9de5e440
FB		 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 */
59unsigned long x86_stack_size = 512 * 1024;
31e31b8a
FB		 60
61void 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
61190b14 70void cpu_outb(CPUState *env, int addr, int val)
367e86e8
FB		 71{
72 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
73}
74
61190b14 75void cpu_outw(CPUState *env, int addr, int val)
367e86e8
FB		 76{
77 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
78}
79
61190b14 80void cpu_outl(CPUState *env, int addr, int val)
367e86e8
FB		 81{
82 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
83}
84
61190b14 85int cpu_inb(CPUState *env, int addr)
367e86e8
FB		 86{
87 fprintf(stderr, "inb: port=0x%04x\n", addr);
88 return 0;
89}
90
61190b14 91int cpu_inw(CPUState *env, int addr)
367e86e8
FB		 92{
93 fprintf(stderr, "inw: port=0x%04x\n", addr);
94 return 0;
95}
96
61190b14 97int cpu_inl(CPUState *env, int addr)
367e86e8
FB		 98{
99 fprintf(stderr, "inl: port=0x%04x\n", addr);
100 return 0;
101}
102
a541f297 103int cpu_get_pic_interrupt(CPUState *env)
92ccca6a
FB		 104{
105 return -1;
106}
107
28ab0e2e
FB		 108/* timers for rdtsc */
109
1dce7c3c 110#if 0
28ab0e2e
FB		 111
112static uint64_t emu_time;
113
114int64_t cpu_get_real_ticks(void)
115{
116 return emu_time++;
117}
118
119#endif
120
a541f297
FB		 121#ifdef TARGET_I386
122/***********************************************************/
123/* CPUX86 core interface */
124
02a1602e
FB		 125void cpu_smm_update(CPUState *env)
126{
127}
128
28ab0e2e
FB		 129uint64_t cpu_get_tsc(CPUX86State *env)
130{
131 return cpu_get_real_ticks();
132}
133
f4beb510
FB		 134static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
135 int flags)
6dbad63e 136{
f4beb510 137 unsigned int e1, e2;
53a5960a 138 uint32_t *p;
6dbad63e
FB		 139 e1 = (addr << 16) | (limit & 0xffff);
140 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
f4beb510 141 e2 |= flags;
53a5960a
PB		 142 p = ptr;
143 p[0] = tswapl(e1);
144 p[1] = tswapl(e2);
f4beb510
FB		 145}
146
147static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
148 unsigned long addr, unsigned int sel)
149{
150 unsigned int e1, e2;
53a5960a 151 uint32_t *p;
f4beb510
FB		 152 e1 = (addr & 0xffff) | (sel << 16);
153 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
53a5960a
PB		 154 p = ptr;
155 p[0] = tswapl(e1);
156 p[1] = tswapl(e2);
6dbad63e
FB		 157}
158
159uint64_t gdt_table[6];
f4beb510
FB		 160uint64_t idt_table[256];
161
162/* only dpl matters as we do only user space emulation */
163static void set_idt(int n, unsigned int dpl)
164{
165 set_gate(idt_table + n, 0, dpl, 0, 0);
166}
31e31b8a 167
89e957e7 168void cpu_loop(CPUX86State *env)
1b6b029e 169{
bc8a22cc 170 int trapnr;
80a9d035 171 target_ulong pc;
9de5e440 172 target_siginfo_t info;
851e67a1 173
1b6b029e 174 for(;;) {
bc8a22cc 175 trapnr = cpu_x86_exec(env);
bc8a22cc 176 switch(trapnr) {
f4beb510
FB		 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;
1b6b029e 196 case EXCP0D_GPF:
84409ddb 197#ifndef TARGET_X86_64
851e67a1 198 if (env->eflags & VM_MASK) {
89e957e7 199 handle_vm86_fault(env);
84409ddb
JM		 200 } else
201#endif
202 {
f4beb510
FB		 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);
1b6b029e
FB		 208 }
209 break;
b689bc57
FB		 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;
970a87a6 217 info._sifields._sigfault._addr = env->cr[2];
b689bc57
FB		 218 queue_signal(info.si_signo, &info);
219 break;
9de5e440 220 case EXCP00_DIVZ:
84409ddb 221#ifndef TARGET_X86_64
bc8a22cc 222 if (env->eflags & VM_MASK) {
447db213 223 handle_vm86_trap(env, trapnr);
84409ddb
JM		 224 } else
225#endif
226 {
bc8a22cc
FB		 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 }
9de5e440 234 break;
447db213
FB		 235 case EXCP01_SSTP:
236 case EXCP03_INT3:
84409ddb 237#ifndef TARGET_X86_64
447db213
FB		 238 if (env->eflags & VM_MASK) {
239 handle_vm86_trap(env, trapnr);
84409ddb
JM		 240 } else
241#endif
242 {
447db213
FB		 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;
9de5e440
FB		 255 case EXCP04_INTO:
256 case EXCP05_BOUND:
84409ddb 257#ifndef TARGET_X86_64
bc8a22cc 258 if (env->eflags & VM_MASK) {
447db213 259 handle_vm86_trap(env, trapnr);
84409ddb
JM		 260 } else
261#endif
262 {
bc8a22cc
FB		 263 info.si_signo = SIGSEGV;
264 info.si_errno = 0;
b689bc57 265 info.si_code = TARGET_SI_KERNEL;
bc8a22cc
FB		 266 info._sifields._sigfault._addr = 0;
267 queue_signal(info.si_signo, &info);
268 }
9de5e440
FB		 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;
1fddef4b
FB		 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;
1b6b029e 294 default:
970a87a6 295 pc = env->segs[R_CS].base + env->eip;
bc8a22cc
FB		 296 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
297 (long)pc, trapnr);
1b6b029e
FB		 298 abort();
299 }
66fb9763 300 process_pending_signals(env);
1b6b029e
FB		 301 }
302}
b346ff46
FB		 303#endif
304
305#ifdef TARGET_ARM
306
6f1f31c0
FB		 307/* XXX: find a better solution */
308extern void tb_invalidate_page_range(target_ulong start, target_ulong end);
309
310static 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
b346ff46
FB		 328void cpu_loop(CPUARMState *env)
329{
330 int trapnr;
331 unsigned int n, insn;
332 target_siginfo_t info;
b5ff1b31 333 uint32_t addr;
b346ff46
FB		 334
335 for(;;) {
336 trapnr = cpu_arm_exec(env);
337 switch(trapnr) {
338 case EXCP_UDEF:
c6981055
FB		 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 */
53a5960a 345 opcode = tget32(env->regs[15]);
c6981055 346
19b045de 347 if (EmulateAll(opcode, &ts->fpa, env) == 0) {
c6981055
FB		 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 }
b346ff46
FB		 358 break;
359 case EXCP_SWI:
06c949e6 360 case EXCP_BKPT:
b346ff46 361 {
ce4defa0 362 env->eabi = 1;
b346ff46 363 /* system call */
06c949e6
PB		 364 if (trapnr == EXCP_BKPT) {
365 if (env->thumb) {
53a5960a 366 insn = tget16(env->regs[15]);
06c949e6
PB		 367 n = insn & 0xff;
368 env->regs[15] += 2;
369 } else {
53a5960a 370 insn = tget32(env->regs[15]);
06c949e6
PB		 371 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
372 env->regs[15] += 4;
373 }
192c7bd9 374 } else {
06c949e6 375 if (env->thumb) {
53a5960a 376 insn = tget16(env->regs[15] - 2);
06c949e6
PB		 377 n = insn & 0xff;
378 } else {
53a5960a 379 insn = tget32(env->regs[15] - 4);
06c949e6
PB		 380 n = insn & 0xffffff;
381 }
192c7bd9
FB		 382 }
383
6f1f31c0
FB		 384 if (n == ARM_NR_cacheflush) {
385 arm_cache_flush(env->regs[0], env->regs[1]);
a4f81979
FB		 386 } else if (n == ARM_NR_semihosting
387 || n == ARM_NR_thumb_semihosting) {
388 env->regs[0] = do_arm_semihosting (env);
ce4defa0 389 } else if (n == 0 || n >= ARM_SYSCALL_BASE
192c7bd9 390 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
b346ff46 391 /* linux syscall */
ce4defa0 392 if (env->thumb || n == 0) {
192c7bd9
FB		 393 n = env->regs[7];
394 } else {
395 n -= ARM_SYSCALL_BASE;
ce4defa0 396 env->eabi = 0;
192c7bd9 397 }
b346ff46
FB		 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],
e1a2849c 405 env->regs[5]);
b346ff46
FB		 406 } else {
407 goto error;
408 }
409 }
410 break;
43fff238
FB		 411 case EXCP_INTERRUPT:
412 /* just indicate that signals should be handled asap */
413 break;
68016c62 414 case EXCP_PREFETCH_ABORT:
b5ff1b31
FB		 415 addr = env->cp15.c6_data;
416 goto do_segv;
68016c62 417 case EXCP_DATA_ABORT:
b5ff1b31
FB		 418 addr = env->cp15.c6_insn;
419 goto do_segv;
420 do_segv:
68016c62
FB		 421 {
422 info.si_signo = SIGSEGV;
423 info.si_errno = 0;
424 /* XXX: check env->error_code */
425 info.si_code = TARGET_SEGV_MAPERR;
b5ff1b31 426 info._sifields._sigfault._addr = addr;
68016c62
FB		 427 queue_signal(info.si_signo, &info);
428 }
429 break;
1fddef4b
FB		 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;
b346ff46
FB		 444 default:
445 error:
446 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
447 trapnr);
7fe48483 448 cpu_dump_state(env, stderr, fprintf, 0);
b346ff46
FB		 449 abort();
450 }
451 process_pending_signals(env);
452 }
453}
454
455#endif
1b6b029e 456
93ac68bc
FB		 457#ifdef TARGET_SPARC
458
060366c5
FB		 459//#define DEBUG_WIN
460
2623cbaf
FB		 461/* WARNING: dealing with register windows _is_ complicated. More info
462 can be found at http://www.sics.se/~psm/sparcstack.html */
060366c5
FB		 463static 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
2623cbaf
FB		 473/* save the register window 'cwp1' */
474static inline void save_window_offset(CPUSPARCState *env, int cwp1)
060366c5 475{
2623cbaf 476 unsigned int i;
53a5960a 477 target_ulong sp_ptr;
060366c5 478
53a5960a 479 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5
FB		 480#if defined(DEBUG_WIN)
481 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
482 (int)sp_ptr, cwp1);
483#endif
2623cbaf 484 for(i = 0; i < 16; i++) {
53a5960a
PB		 485 tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
486 sp_ptr += sizeof(target_ulong);
2623cbaf 487 }
060366c5
FB		 488}
489
490static void save_window(CPUSPARCState *env)
491{
5ef54116 492#ifndef TARGET_SPARC64
2623cbaf
FB		 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;
5ef54116
FB		 498#else
499 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
500 env->cansave++;
501 env->canrestore--;
502#endif
060366c5
FB		 503}
504
505static void restore_window(CPUSPARCState *env)
506{
507 unsigned int new_wim, i, cwp1;
53a5960a 508 target_ulong sp_ptr;
060366c5
FB		 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);
53a5960a 515 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5
FB		 516#if defined(DEBUG_WIN)
517 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
518 (int)sp_ptr, cwp1);
519#endif
2623cbaf 520 for(i = 0; i < 16; i++) {
53a5960a
PB		 521 env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
522 sp_ptr += sizeof(target_ulong);
2623cbaf 523 }
060366c5 524 env->wim = new_wim;
5ef54116
FB		 525#ifdef TARGET_SPARC64
526 env->canrestore++;
527 if (env->cleanwin < NWINDOWS - 1)
528 env->cleanwin++;
529 env->cansave--;
530#endif
060366c5
FB		 531}
532
533static void flush_windows(CPUSPARCState *env)
534{
535 int offset, cwp1;
2623cbaf
FB		 536
537 offset = 1;
060366c5
FB		 538 for(;;) {
539 /* if restore would invoke restore_window(), then we can stop */
2623cbaf 540 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
060366c5
FB		 541 if (env->wim & (1 << cwp1))
542 break;
2623cbaf 543 save_window_offset(env, cwp1);
060366c5
FB		 544 offset++;
545 }
2623cbaf
FB		 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);
80a9d035 551#endif
2623cbaf 552}
060366c5 553
93ac68bc
FB		 554void cpu_loop (CPUSPARCState *env)
555{
060366c5 556 int trapnr, ret;
61ff6f58 557 target_siginfo_t info;
060366c5
FB		 558
559 while (1) {
560 trapnr = cpu_sparc_exec (env);
561
562 switch (trapnr) {
5ef54116 563#ifndef TARGET_SPARC64
060366c5
FB		 564 case 0x88:
565 case 0x90:
5ef54116
FB		 566#else
567 case 0x16d:
568#endif
060366c5
FB		 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)) {
27908725
FB		 574#ifdef TARGET_SPARC64
575 env->xcc |= PSR_CARRY;
576#else
060366c5 577 env->psr |= PSR_CARRY;
27908725 578#endif
060366c5
FB		 579 ret = -ret;
580 } else {
27908725
FB		 581#ifdef TARGET_SPARC64
582 env->xcc &= ~PSR_CARRY;
583#else
060366c5 584 env->psr &= ~PSR_CARRY;
27908725 585#endif
060366c5
FB		 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 */
2623cbaf 593 flush_windows(env);
060366c5
FB		 594 /* next instruction */
595 env->pc = env->npc;
596 env->npc = env->npc + 4;
597 break;
3475187d 598#ifndef TARGET_SPARC64
060366c5
FB		 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;
61ff6f58
FB		 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;
3475187d 616#else
5ef54116
FB		 617 case TT_SPILL: /* window overflow */
618 save_window(env);
619 break;
620 case TT_FILL: /* window underflow */
621 restore_window(env);
622 break;
3475187d
FB		 623 // XXX
624#endif
48dc41eb
FB		 625 case EXCP_INTERRUPT:
626 /* just indicate that signals should be handled asap */
627 break;
1fddef4b
FB		 628 case EXCP_DEBUG:
629 {
630 int sig;
631
632 sig = gdb_handlesig (env, TARGET_SIGTRAP);
633 if (sig)
634 {
635 info.si_signo = sig;
636 info.si_errno = 0;
637 info.si_code = TARGET_TRAP_BRKPT;
638 queue_signal(info.si_signo, &info);
639 }
640 }
641 break;
060366c5
FB		 642 default:
643 printf ("Unhandled trap: 0x%x\n", trapnr);
7fe48483 644 cpu_dump_state(env, stderr, fprintf, 0);
060366c5
FB		 645 exit (1);
646 }
647 process_pending_signals (env);
648 }
93ac68bc
FB		 649}
650
651#endif
652
67867308 653#ifdef TARGET_PPC
9fddaa0c
FB		 654
655static inline uint64_t cpu_ppc_get_tb (CPUState *env)
656{
657 /* TO FIX */
658 return 0;
659}
660
661uint32_t cpu_ppc_load_tbl (CPUState *env)
662{
663 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
664}
665
666uint32_t cpu_ppc_load_tbu (CPUState *env)
667{
668 return cpu_ppc_get_tb(env) >> 32;
669}
670
671static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
672{
673 /* TO FIX */
674}
675
676void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
677{
678 cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
679}
680
681void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
682{
683 cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
684}
76a66253
JM		 685
686void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value)
687__attribute__ (( alias ("cpu_ppc_store_tbu") ));
688
689uint32_t cpu_ppc601_load_rtcu (CPUState *env)
690__attribute__ (( alias ("cpu_ppc_load_tbu") ));
691
692void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value)
9fddaa0c 693{
76a66253 694 cpu_ppc_store_tbl(env, value & 0x3FFFFF80);
9fddaa0c 695}
76a66253
JM		 696
697uint32_t cpu_ppc601_load_rtcl (CPUState *env)
9fddaa0c 698{
76a66253 699 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
9fddaa0c 700}
76a66253 701
67867308
FB		 702void cpu_loop(CPUPPCState *env)
703{
67867308 704 target_siginfo_t info;
61190b14
FB		 705 int trapnr;
706 uint32_t ret;
67867308
FB		 707
708 for(;;) {
709 trapnr = cpu_ppc_exec(env);
61190b14
FB		 710 if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
711 trapnr != EXCP_TRACE) {
712 if (loglevel > 0) {
7fe48483 713 cpu_dump_state(env, logfile, fprintf, 0);
61190b14
FB		 714 }
715 }
67867308
FB		 716 switch(trapnr) {
717 case EXCP_NONE:
67867308 718 break;
61190b14
FB		 719 case EXCP_SYSCALL_USER:
720 /* system call */
721 /* WARNING:
722 * PPC ABI uses overflow flag in cr0 to signal an error
723 * in syscalls.
724 */
67867308 725#if 0
61190b14
FB		 726 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
727 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
67867308 728#endif
61190b14
FB		 729 env->crf[0] &= ~0x1;
730 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
731 env->gpr[5], env->gpr[6], env->gpr[7],
732 env->gpr[8]);
733 if (ret > (uint32_t)(-515)) {
734 env->crf[0] |= 0x1;
735 ret = -ret;
736 }
737 env->gpr[3] = ret;
738#if 0
739 printf("syscall returned 0x%08x (%d)\n", ret, ret);
740#endif
741 break;
742 case EXCP_RESET:
743 /* Should not happen ! */
744 fprintf(stderr, "RESET asked... Stop emulation\n");
745 if (loglevel)
746 fprintf(logfile, "RESET asked... Stop emulation\n");
67867308 747 abort();
61190b14
FB		 748 case EXCP_MACHINE_CHECK:
749 fprintf(stderr, "Machine check exeption... Stop emulation\n");
750 if (loglevel)
751 fprintf(logfile, "RESET asked... Stop emulation\n");
752 info.si_signo = TARGET_SIGBUS;
67867308 753 info.si_errno = 0;
61190b14
FB		 754 info.si_code = TARGET_BUS_OBJERR;
755 info._sifields._sigfault._addr = env->nip - 4;
756 queue_signal(info.si_signo, &info);
757 case EXCP_DSI:
e96efcfc 758 fprintf(stderr, "Invalid data memory access: 0x" ADDRX "\n",
3fc6c082 759 env->spr[SPR_DAR]);
61190b14 760 if (loglevel) {
e96efcfc 761 fprintf(logfile, "Invalid data memory access: 0x" ADDRX "\n",
3fc6c082 762 env->spr[SPR_DAR]);
61190b14 763 }
2be0071f
FB		 764 switch (env->error_code & 0xFF000000) {
765 case 0x40000000:
61190b14
FB		 766 info.si_signo = TARGET_SIGSEGV;
767 info.si_errno = 0;
768 info.si_code = TARGET_SEGV_MAPERR;
769 break;
2be0071f 770 case 0x04000000:
61190b14
FB		 771 info.si_signo = TARGET_SIGILL;
772 info.si_errno = 0;
773 info.si_code = TARGET_ILL_ILLADR;
774 break;
2be0071f 775 case 0x08000000:
61190b14
FB		 776 info.si_signo = TARGET_SIGSEGV;
777 info.si_errno = 0;
778 info.si_code = TARGET_SEGV_ACCERR;
779 break;
61190b14
FB		 780 default:
781 /* Let's send a regular segfault... */
782 fprintf(stderr, "Invalid segfault errno (%02x)\n",
783 env->error_code);
784 if (loglevel) {
785 fprintf(logfile, "Invalid segfault errno (%02x)\n",
786 env->error_code);
787 }
788 info.si_signo = TARGET_SIGSEGV;
789 info.si_errno = 0;
790 info.si_code = TARGET_SEGV_MAPERR;
791 break;
792 }
67867308
FB		 793 info._sifields._sigfault._addr = env->nip;
794 queue_signal(info.si_signo, &info);
795 break;
61190b14 796 case EXCP_ISI:
67867308 797 fprintf(stderr, "Invalid instruction fetch\n");
61190b14
FB		 798 if (loglevel)
799 fprintf(logfile, "Invalid instruction fetch\n");
2be0071f
FB		 800 switch (env->error_code & 0xFF000000) {
801 case 0x40000000:
61190b14 802 info.si_signo = TARGET_SIGSEGV;
67867308 803 info.si_errno = 0;
61190b14
FB		 804 info.si_code = TARGET_SEGV_MAPERR;
805 break;
2be0071f
FB		 806 case 0x10000000:
807 case 0x08000000:
61190b14
FB		 808 info.si_signo = TARGET_SIGSEGV;
809 info.si_errno = 0;
810 info.si_code = TARGET_SEGV_ACCERR;
811 break;
812 default:
813 /* Let's send a regular segfault... */
814 fprintf(stderr, "Invalid segfault errno (%02x)\n",
815 env->error_code);
816 if (loglevel) {
817 fprintf(logfile, "Invalid segfault errno (%02x)\n",
818 env->error_code);
819 }
820 info.si_signo = TARGET_SIGSEGV;
821 info.si_errno = 0;
822 info.si_code = TARGET_SEGV_MAPERR;
823 break;
824 }
825 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 826 queue_signal(info.si_signo, &info);
827 break;
61190b14
FB		 828 case EXCP_EXTERNAL:
829 /* Should not happen ! */
830 fprintf(stderr, "External interruption... Stop emulation\n");
831 if (loglevel)
832 fprintf(logfile, "External interruption... Stop emulation\n");
67867308 833 abort();
61190b14
FB		 834 case EXCP_ALIGN:
835 fprintf(stderr, "Invalid unaligned memory access\n");
836 if (loglevel)
837 fprintf(logfile, "Invalid unaligned memory access\n");
838 info.si_signo = TARGET_SIGBUS;
67867308 839 info.si_errno = 0;
61190b14
FB		 840 info.si_code = TARGET_BUS_ADRALN;
841 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 842 queue_signal(info.si_signo, &info);
843 break;
61190b14
FB		 844 case EXCP_PROGRAM:
845 switch (env->error_code & ~0xF) {
846 case EXCP_FP:
847 fprintf(stderr, "Program exception\n");
848 if (loglevel)
849 fprintf(logfile, "Program exception\n");
850 /* Set FX */
851 env->fpscr[7] |= 0x8;
852 /* Finally, update FEX */
853 if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
854 ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
855 env->fpscr[7] |= 0x4;
856 info.si_signo = TARGET_SIGFPE;
857 info.si_errno = 0;
858 switch (env->error_code & 0xF) {
859 case EXCP_FP_OX:
860 info.si_code = TARGET_FPE_FLTOVF;
861 break;
862 case EXCP_FP_UX:
863 info.si_code = TARGET_FPE_FLTUND;
864 break;
865 case EXCP_FP_ZX:
866 case EXCP_FP_VXZDZ:
867 info.si_code = TARGET_FPE_FLTDIV;
868 break;
869 case EXCP_FP_XX:
870 info.si_code = TARGET_FPE_FLTRES;
871 break;
872 case EXCP_FP_VXSOFT:
873 info.si_code = TARGET_FPE_FLTINV;
874 break;
875 case EXCP_FP_VXNAN:
876 case EXCP_FP_VXISI:
877 case EXCP_FP_VXIDI:
878 case EXCP_FP_VXIMZ:
879 case EXCP_FP_VXVC:
880 case EXCP_FP_VXSQRT:
881 case EXCP_FP_VXCVI:
882 info.si_code = TARGET_FPE_FLTSUB;
883 break;
884 default:
885 fprintf(stderr, "Unknown floating point exception "
886 "(%02x)\n", env->error_code);
887 if (loglevel) {
888 fprintf(logfile, "Unknown floating point exception "
889 "(%02x)\n", env->error_code & 0xF);
890 }
891 }
892 break;
67867308 893 case EXCP_INVAL:
61190b14
FB		 894 fprintf(stderr, "Invalid instruction\n");
895 if (loglevel)
896 fprintf(logfile, "Invalid instruction\n");
897 info.si_signo = TARGET_SIGILL;
898 info.si_errno = 0;
899 switch (env->error_code & 0xF) {
900 case EXCP_INVAL_INVAL:
901 info.si_code = TARGET_ILL_ILLOPC;
902 break;
903 case EXCP_INVAL_LSWX:
67867308 904 info.si_code = TARGET_ILL_ILLOPN;
61190b14
FB		 905 break;
906 case EXCP_INVAL_SPR:
907 info.si_code = TARGET_ILL_PRVREG;
908 break;
909 case EXCP_INVAL_FP:
910 info.si_code = TARGET_ILL_COPROC;
911 break;
912 default:
913 fprintf(stderr, "Unknown invalid operation (%02x)\n",
914 env->error_code & 0xF);
915 if (loglevel) {
916 fprintf(logfile, "Unknown invalid operation (%02x)\n",
917 env->error_code & 0xF);
918 }
919 info.si_code = TARGET_ILL_ILLADR;
920 break;
921 }
922 break;
923 case EXCP_PRIV:
924 fprintf(stderr, "Privilege violation\n");
925 if (loglevel)
926 fprintf(logfile, "Privilege violation\n");
927 info.si_signo = TARGET_SIGILL;
928 info.si_errno = 0;
929 switch (env->error_code & 0xF) {
930 case EXCP_PRIV_OPC:
931 info.si_code = TARGET_ILL_PRVOPC;
932 break;
933 case EXCP_PRIV_REG:
934 info.si_code = TARGET_ILL_PRVREG;
935 break;
936 default:
937 fprintf(stderr, "Unknown privilege violation (%02x)\n",
938 env->error_code & 0xF);
939 info.si_code = TARGET_ILL_PRVOPC;
940 break;
941 }
942 break;
943 case EXCP_TRAP:
944 fprintf(stderr, "Tried to call a TRAP\n");
945 if (loglevel)
946 fprintf(logfile, "Tried to call a TRAP\n");
947 abort();
948 default:
949 /* Should not happen ! */
950 fprintf(stderr, "Unknown program exception (%02x)\n",
951 env->error_code);
952 if (loglevel) {
953 fprintf(logfile, "Unknwon program exception (%02x)\n",
954 env->error_code);
955 }
956 abort();
957 }
958 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 959 queue_signal(info.si_signo, &info);
960 break;
61190b14
FB		 961 case EXCP_NO_FP:
962 fprintf(stderr, "No floating point allowed\n");
963 if (loglevel)
964 fprintf(logfile, "No floating point allowed\n");
965 info.si_signo = TARGET_SIGILL;
67867308 966 info.si_errno = 0;
61190b14
FB		 967 info.si_code = TARGET_ILL_COPROC;
968 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 969 queue_signal(info.si_signo, &info);
970 break;
61190b14
FB		 971 case EXCP_DECR:
972 /* Should not happen ! */
973 fprintf(stderr, "Decrementer exception\n");
974 if (loglevel)
975 fprintf(logfile, "Decrementer exception\n");
976 abort();
61190b14
FB		 977 case EXCP_TRACE:
978 /* Do nothing: we use this to trace execution */
67867308 979 break;
61190b14
FB		 980 case EXCP_FP_ASSIST:
981 /* Should not happen ! */
982 fprintf(stderr, "Floating point assist exception\n");
983 if (loglevel)
984 fprintf(logfile, "Floating point assist exception\n");
985 abort();
986 case EXCP_MTMSR:
987 /* We reloaded the msr, just go on */
9fddaa0c 988 if (msr_pr == 0) {
61190b14
FB		 989 fprintf(stderr, "Tried to go into supervisor mode !\n");
990 if (loglevel)
991 fprintf(logfile, "Tried to go into supervisor mode !\n");
992 abort();
67867308 993 }
61190b14
FB		 994 break;
995 case EXCP_BRANCH:
996 /* We stopped because of a jump... */
997 break;
61190b14
FB		 998 case EXCP_INTERRUPT:
999 /* Don't know why this should ever happen... */
1000 break;
1fddef4b
FB		 1001 case EXCP_DEBUG:
1002 {
1003 int sig;
1004
1005 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1006 if (sig)
1007 {
1008 info.si_signo = sig;
1009 info.si_errno = 0;
1010 info.si_code = TARGET_TRAP_BRKPT;
1011 queue_signal(info.si_signo, &info);
1012 }
1013 }
1014 break;
67867308 1015 default:
67867308
FB		 1016 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1017 trapnr);
61190b14
FB		 1018 if (loglevel) {
1019 fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
1020 "0x%02x - aborting\n", trapnr, env->error_code);
1021 }
67867308
FB		 1022 abort();
1023 }
1024 process_pending_signals(env);
1025 }
1026}
1027#endif
1028
048f6b4d
FB		 1029#ifdef TARGET_MIPS
1030
1031#define MIPS_SYS(name, args) args,
1032
1033static const uint8_t mips_syscall_args[] = {
1034 MIPS_SYS(sys_syscall , 0) /* 4000 */
1035 MIPS_SYS(sys_exit , 1)
1036 MIPS_SYS(sys_fork , 0)
1037 MIPS_SYS(sys_read , 3)
1038 MIPS_SYS(sys_write , 3)
1039 MIPS_SYS(sys_open , 3) /* 4005 */
1040 MIPS_SYS(sys_close , 1)
1041 MIPS_SYS(sys_waitpid , 3)
1042 MIPS_SYS(sys_creat , 2)
1043 MIPS_SYS(sys_link , 2)
1044 MIPS_SYS(sys_unlink , 1) /* 4010 */
1045 MIPS_SYS(sys_execve , 0)
1046 MIPS_SYS(sys_chdir , 1)
1047 MIPS_SYS(sys_time , 1)
1048 MIPS_SYS(sys_mknod , 3)
1049 MIPS_SYS(sys_chmod , 2) /* 4015 */
1050 MIPS_SYS(sys_lchown , 3)
1051 MIPS_SYS(sys_ni_syscall , 0)
1052 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1053 MIPS_SYS(sys_lseek , 3)
1054 MIPS_SYS(sys_getpid , 0) /* 4020 */
1055 MIPS_SYS(sys_mount , 5)
1056 MIPS_SYS(sys_oldumount , 1)
1057 MIPS_SYS(sys_setuid , 1)
1058 MIPS_SYS(sys_getuid , 0)
1059 MIPS_SYS(sys_stime , 1) /* 4025 */
1060 MIPS_SYS(sys_ptrace , 4)
1061 MIPS_SYS(sys_alarm , 1)
1062 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1063 MIPS_SYS(sys_pause , 0)
1064 MIPS_SYS(sys_utime , 2) /* 4030 */
1065 MIPS_SYS(sys_ni_syscall , 0)
1066 MIPS_SYS(sys_ni_syscall , 0)
1067 MIPS_SYS(sys_access , 2)
1068 MIPS_SYS(sys_nice , 1)
1069 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1070 MIPS_SYS(sys_sync , 0)
1071 MIPS_SYS(sys_kill , 2)
1072 MIPS_SYS(sys_rename , 2)
1073 MIPS_SYS(sys_mkdir , 2)
1074 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1075 MIPS_SYS(sys_dup , 1)
1076 MIPS_SYS(sys_pipe , 0)
1077 MIPS_SYS(sys_times , 1)
1078 MIPS_SYS(sys_ni_syscall , 0)
1079 MIPS_SYS(sys_brk , 1) /* 4045 */
1080 MIPS_SYS(sys_setgid , 1)
1081 MIPS_SYS(sys_getgid , 0)
1082 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1083 MIPS_SYS(sys_geteuid , 0)
1084 MIPS_SYS(sys_getegid , 0) /* 4050 */
1085 MIPS_SYS(sys_acct , 0)
1086 MIPS_SYS(sys_umount , 2)
1087 MIPS_SYS(sys_ni_syscall , 0)
1088 MIPS_SYS(sys_ioctl , 3)
1089 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1090 MIPS_SYS(sys_ni_syscall , 2)
1091 MIPS_SYS(sys_setpgid , 2)
1092 MIPS_SYS(sys_ni_syscall , 0)
1093 MIPS_SYS(sys_olduname , 1)
1094 MIPS_SYS(sys_umask , 1) /* 4060 */
1095 MIPS_SYS(sys_chroot , 1)
1096 MIPS_SYS(sys_ustat , 2)
1097 MIPS_SYS(sys_dup2 , 2)
1098 MIPS_SYS(sys_getppid , 0)
1099 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1100 MIPS_SYS(sys_setsid , 0)
1101 MIPS_SYS(sys_sigaction , 3)
1102 MIPS_SYS(sys_sgetmask , 0)
1103 MIPS_SYS(sys_ssetmask , 1)
1104 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1105 MIPS_SYS(sys_setregid , 2)
1106 MIPS_SYS(sys_sigsuspend , 0)
1107 MIPS_SYS(sys_sigpending , 1)
1108 MIPS_SYS(sys_sethostname , 2)
1109 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1110 MIPS_SYS(sys_getrlimit , 2)
1111 MIPS_SYS(sys_getrusage , 2)
1112 MIPS_SYS(sys_gettimeofday, 2)
1113 MIPS_SYS(sys_settimeofday, 2)
1114 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1115 MIPS_SYS(sys_setgroups , 2)
1116 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1117 MIPS_SYS(sys_symlink , 2)
1118 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1119 MIPS_SYS(sys_readlink , 3) /* 4085 */
1120 MIPS_SYS(sys_uselib , 1)
1121 MIPS_SYS(sys_swapon , 2)
1122 MIPS_SYS(sys_reboot , 3)
1123 MIPS_SYS(old_readdir , 3)
1124 MIPS_SYS(old_mmap , 6) /* 4090 */
1125 MIPS_SYS(sys_munmap , 2)
1126 MIPS_SYS(sys_truncate , 2)
1127 MIPS_SYS(sys_ftruncate , 2)
1128 MIPS_SYS(sys_fchmod , 2)
1129 MIPS_SYS(sys_fchown , 3) /* 4095 */
1130 MIPS_SYS(sys_getpriority , 2)
1131 MIPS_SYS(sys_setpriority , 3)
1132 MIPS_SYS(sys_ni_syscall , 0)
1133 MIPS_SYS(sys_statfs , 2)
1134 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1135 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1136 MIPS_SYS(sys_socketcall , 2)
1137 MIPS_SYS(sys_syslog , 3)
1138 MIPS_SYS(sys_setitimer , 3)
1139 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1140 MIPS_SYS(sys_newstat , 2)
1141 MIPS_SYS(sys_newlstat , 2)
1142 MIPS_SYS(sys_newfstat , 2)
1143 MIPS_SYS(sys_uname , 1)
1144 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1145 MIPS_SYS(sys_vhangup , 0)
1146 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1147 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1148 MIPS_SYS(sys_wait4 , 4)
1149 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1150 MIPS_SYS(sys_sysinfo , 1)
1151 MIPS_SYS(sys_ipc , 6)
1152 MIPS_SYS(sys_fsync , 1)
1153 MIPS_SYS(sys_sigreturn , 0)
1154 MIPS_SYS(sys_clone , 0) /* 4120 */
1155 MIPS_SYS(sys_setdomainname, 2)
1156 MIPS_SYS(sys_newuname , 1)
1157 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1158 MIPS_SYS(sys_adjtimex , 1)
1159 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1160 MIPS_SYS(sys_sigprocmask , 3)
1161 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1162 MIPS_SYS(sys_init_module , 5)
1163 MIPS_SYS(sys_delete_module, 1)
1164 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1165 MIPS_SYS(sys_quotactl , 0)
1166 MIPS_SYS(sys_getpgid , 1)
1167 MIPS_SYS(sys_fchdir , 1)
1168 MIPS_SYS(sys_bdflush , 2)
1169 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1170 MIPS_SYS(sys_personality , 1)
1171 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1172 MIPS_SYS(sys_setfsuid , 1)
1173 MIPS_SYS(sys_setfsgid , 1)
1174 MIPS_SYS(sys_llseek , 5) /* 4140 */
1175 MIPS_SYS(sys_getdents , 3)
1176 MIPS_SYS(sys_select , 5)
1177 MIPS_SYS(sys_flock , 2)
1178 MIPS_SYS(sys_msync , 3)
1179 MIPS_SYS(sys_readv , 3) /* 4145 */
1180 MIPS_SYS(sys_writev , 3)
1181 MIPS_SYS(sys_cacheflush , 3)
1182 MIPS_SYS(sys_cachectl , 3)
1183 MIPS_SYS(sys_sysmips , 4)
1184 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1185 MIPS_SYS(sys_getsid , 1)
1186 MIPS_SYS(sys_fdatasync , 0)
1187 MIPS_SYS(sys_sysctl , 1)
1188 MIPS_SYS(sys_mlock , 2)
1189 MIPS_SYS(sys_munlock , 2) /* 4155 */
1190 MIPS_SYS(sys_mlockall , 1)
1191 MIPS_SYS(sys_munlockall , 0)
1192 MIPS_SYS(sys_sched_setparam, 2)
1193 MIPS_SYS(sys_sched_getparam, 2)
1194 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1195 MIPS_SYS(sys_sched_getscheduler, 1)
1196 MIPS_SYS(sys_sched_yield , 0)
1197 MIPS_SYS(sys_sched_get_priority_max, 1)
1198 MIPS_SYS(sys_sched_get_priority_min, 1)
1199 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1200 MIPS_SYS(sys_nanosleep, 2)
1201 MIPS_SYS(sys_mremap , 4)
1202 MIPS_SYS(sys_accept , 3)
1203 MIPS_SYS(sys_bind , 3)
1204 MIPS_SYS(sys_connect , 3) /* 4170 */
1205 MIPS_SYS(sys_getpeername , 3)
1206 MIPS_SYS(sys_getsockname , 3)
1207 MIPS_SYS(sys_getsockopt , 5)
1208 MIPS_SYS(sys_listen , 2)
1209 MIPS_SYS(sys_recv , 4) /* 4175 */
1210 MIPS_SYS(sys_recvfrom , 6)
1211 MIPS_SYS(sys_recvmsg , 3)
1212 MIPS_SYS(sys_send , 4)
1213 MIPS_SYS(sys_sendmsg , 3)
1214 MIPS_SYS(sys_sendto , 6) /* 4180 */
1215 MIPS_SYS(sys_setsockopt , 5)
1216 MIPS_SYS(sys_shutdown , 2)
1217 MIPS_SYS(sys_socket , 3)
1218 MIPS_SYS(sys_socketpair , 4)
1219 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1220 MIPS_SYS(sys_getresuid , 3)
1221 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1222 MIPS_SYS(sys_poll , 3)
1223 MIPS_SYS(sys_nfsservctl , 3)
1224 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1225 MIPS_SYS(sys_getresgid , 3)
1226 MIPS_SYS(sys_prctl , 5)
1227 MIPS_SYS(sys_rt_sigreturn, 0)
1228 MIPS_SYS(sys_rt_sigaction, 4)
1229 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1230 MIPS_SYS(sys_rt_sigpending, 2)
1231 MIPS_SYS(sys_rt_sigtimedwait, 4)
1232 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1233 MIPS_SYS(sys_rt_sigsuspend, 0)
1234 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1235 MIPS_SYS(sys_pwrite64 , 6)
1236 MIPS_SYS(sys_chown , 3)
1237 MIPS_SYS(sys_getcwd , 2)
1238 MIPS_SYS(sys_capget , 2)
1239 MIPS_SYS(sys_capset , 2) /* 4205 */
1240 MIPS_SYS(sys_sigaltstack , 0)
1241 MIPS_SYS(sys_sendfile , 4)
1242 MIPS_SYS(sys_ni_syscall , 0)
1243 MIPS_SYS(sys_ni_syscall , 0)
1244 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1245 MIPS_SYS(sys_truncate64 , 4)
1246 MIPS_SYS(sys_ftruncate64 , 4)
1247 MIPS_SYS(sys_stat64 , 2)
1248 MIPS_SYS(sys_lstat64 , 2)
1249 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1250 MIPS_SYS(sys_pivot_root , 2)
1251 MIPS_SYS(sys_mincore , 3)
1252 MIPS_SYS(sys_madvise , 3)
1253 MIPS_SYS(sys_getdents64 , 3)
1254 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1255 MIPS_SYS(sys_ni_syscall , 0)
1256 MIPS_SYS(sys_gettid , 0)
1257 MIPS_SYS(sys_readahead , 5)
1258 MIPS_SYS(sys_setxattr , 5)
1259 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1260 MIPS_SYS(sys_fsetxattr , 5)
1261 MIPS_SYS(sys_getxattr , 4)
1262 MIPS_SYS(sys_lgetxattr , 4)
1263 MIPS_SYS(sys_fgetxattr , 4)
1264 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1265 MIPS_SYS(sys_llistxattr , 3)
1266 MIPS_SYS(sys_flistxattr , 3)
1267 MIPS_SYS(sys_removexattr , 2)
1268 MIPS_SYS(sys_lremovexattr, 2)
1269 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1270 MIPS_SYS(sys_tkill , 2)
1271 MIPS_SYS(sys_sendfile64 , 5)
1272 MIPS_SYS(sys_futex , 2)
1273 MIPS_SYS(sys_sched_setaffinity, 3)
1274 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1275 MIPS_SYS(sys_io_setup , 2)
1276 MIPS_SYS(sys_io_destroy , 1)
1277 MIPS_SYS(sys_io_getevents, 5)
1278 MIPS_SYS(sys_io_submit , 3)
1279 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1280 MIPS_SYS(sys_exit_group , 1)
1281 MIPS_SYS(sys_lookup_dcookie, 3)
1282 MIPS_SYS(sys_epoll_create, 1)
1283 MIPS_SYS(sys_epoll_ctl , 4)
1284 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1285 MIPS_SYS(sys_remap_file_pages, 5)
1286 MIPS_SYS(sys_set_tid_address, 1)
1287 MIPS_SYS(sys_restart_syscall, 0)
1288 MIPS_SYS(sys_fadvise64_64, 7)
1289 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1290 MIPS_SYS(sys_fstatfs64 , 2)
1291 MIPS_SYS(sys_timer_create, 3)
1292 MIPS_SYS(sys_timer_settime, 4)
1293 MIPS_SYS(sys_timer_gettime, 2)
1294 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1295 MIPS_SYS(sys_timer_delete, 1)
1296 MIPS_SYS(sys_clock_settime, 2)
1297 MIPS_SYS(sys_clock_gettime, 2)
1298 MIPS_SYS(sys_clock_getres, 2)
1299 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1300 MIPS_SYS(sys_tgkill , 3)
1301 MIPS_SYS(sys_utimes , 2)
1302 MIPS_SYS(sys_mbind , 4)
1303 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1304 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1305 MIPS_SYS(sys_mq_open , 4)
1306 MIPS_SYS(sys_mq_unlink , 1)
1307 MIPS_SYS(sys_mq_timedsend, 5)
1308 MIPS_SYS(sys_mq_timedreceive, 5)
1309 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1310 MIPS_SYS(sys_mq_getsetattr, 3)
1311 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1312 MIPS_SYS(sys_waitid , 4)
1313 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1314 MIPS_SYS(sys_add_key , 5)
388bb21a 1315 MIPS_SYS(sys_request_key, 4)
048f6b4d 1316 MIPS_SYS(sys_keyctl , 5)
6f5b89a0 1317 MIPS_SYS(sys_set_thread_area, 1)
388bb21a
TS		 1318 MIPS_SYS(sys_inotify_init, 0)
1319 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1320 MIPS_SYS(sys_inotify_rm_watch, 2)
1321 MIPS_SYS(sys_migrate_pages, 4)
1322 MIPS_SYS(sys_openat, 4)
1323 MIPS_SYS(sys_mkdirat, 3)
1324 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1325 MIPS_SYS(sys_fchownat, 5)
1326 MIPS_SYS(sys_futimesat, 3)
1327 MIPS_SYS(sys_fstatat64, 4)
1328 MIPS_SYS(sys_unlinkat, 3)
1329 MIPS_SYS(sys_renameat, 4) /* 4295 */
1330 MIPS_SYS(sys_linkat, 5)
1331 MIPS_SYS(sys_symlinkat, 3)
1332 MIPS_SYS(sys_readlinkat, 4)
1333 MIPS_SYS(sys_fchmodat, 3)
1334 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1335 MIPS_SYS(sys_pselect6, 6)
1336 MIPS_SYS(sys_ppoll, 5)
1337 MIPS_SYS(sys_unshare, 1)
1338 MIPS_SYS(sys_splice, 4)
1339 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1340 MIPS_SYS(sys_tee, 4)
1341 MIPS_SYS(sys_vmsplice, 4)
1342 MIPS_SYS(sys_move_pages, 6)
1343 MIPS_SYS(sys_set_robust_list, 2)
1344 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1345 MIPS_SYS(sys_kexec_load, 4)
1346 MIPS_SYS(sys_getcpu, 3)
1347 MIPS_SYS(sys_epoll_pwait, 6)
1348 MIPS_SYS(sys_ioprio_set, 3)
1349 MIPS_SYS(sys_ioprio_get, 2)
048f6b4d
FB		 1350};
1351
1352#undef MIPS_SYS
1353
1354void cpu_loop(CPUMIPSState *env)
1355{
1356 target_siginfo_t info;
388bb21a 1357 int trapnr, ret;
048f6b4d 1358 unsigned int syscall_num;
048f6b4d
FB		 1359
1360 for(;;) {
1361 trapnr = cpu_mips_exec(env);
1362 switch(trapnr) {
1363 case EXCP_SYSCALL:
388bb21a
TS		 1364 syscall_num = env->gpr[2] - 4000;
1365 env->PC += 4;
1366 if (syscall_num >= sizeof(mips_syscall_args)) {
1367 ret = -ENOSYS;
1368 } else {
1369 int nb_args;
1370 target_ulong sp_reg;
1371 target_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1372
1373 nb_args = mips_syscall_args[syscall_num];
1374 sp_reg = env->gpr[29];
1375 switch (nb_args) {
1376 /* these arguments are taken from the stack */
1377 case 8: arg8 = tgetl(sp_reg + 28);
1378 case 7: arg7 = tgetl(sp_reg + 24);
1379 case 6: arg6 = tgetl(sp_reg + 20);
1380 case 5: arg5 = tgetl(sp_reg + 16);
1381 default:
1382 break;
048f6b4d 1383 }
388bb21a
TS		 1384 ret = do_syscall(env, env->gpr[2],
1385 env->gpr[4], env->gpr[5],
1386 env->gpr[6], env->gpr[7],
1387 arg5, arg6/*, arg7, arg8*/);
1388 }
1389 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1390 env->gpr[7] = 1; /* error flag */
1391 ret = -ret;
1392 } else {
1393 env->gpr[7] = 0; /* error flag */
048f6b4d 1394 }
388bb21a 1395 env->gpr[2] = ret;
048f6b4d 1396 break;
ca7c2b1b
TS		 1397 case EXCP_TLBL:
1398 case EXCP_TLBS:
6900e84b 1399 case EXCP_CpU:
048f6b4d 1400 case EXCP_RI:
bc1ad2de
FB		 1401 info.si_signo = TARGET_SIGILL;
1402 info.si_errno = 0;
1403 info.si_code = 0;
1404 queue_signal(info.si_signo, &info);
048f6b4d 1405 break;
106ec879
FB		 1406 case EXCP_INTERRUPT:
1407 /* just indicate that signals should be handled asap */
1408 break;
d08b2a28
PB		 1409 case EXCP_DEBUG:
1410 {
1411 int sig;
1412
1413 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1414 if (sig)
1415 {
1416 info.si_signo = sig;
1417 info.si_errno = 0;
1418 info.si_code = TARGET_TRAP_BRKPT;
1419 queue_signal(info.si_signo, &info);
1420 }
1421 }
1422 break;
048f6b4d
FB		 1423 default:
1424 // error:
1425 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1426 trapnr);
1427 cpu_dump_state(env, stderr, fprintf, 0);
1428 abort();
1429 }
1430 process_pending_signals(env);
1431 }
1432}
1433#endif
1434
fdf9b3e8
FB		 1435#ifdef TARGET_SH4
1436void cpu_loop (CPUState *env)
1437{
1438 int trapnr, ret;
355fb23d 1439 target_siginfo_t info;
fdf9b3e8
FB		 1440
1441 while (1) {
1442 trapnr = cpu_sh4_exec (env);
1443
1444 switch (trapnr) {
1445 case 0x160:
1446 ret = do_syscall(env,
9c2a9ea1
PB		 1447 env->gregs[3],
1448 env->gregs[4],
1449 env->gregs[5],
1450 env->gregs[6],
1451 env->gregs[7],
1452 env->gregs[0],
fdf9b3e8 1453 0);
9c2a9ea1 1454 env->gregs[0] = ret;
fdf9b3e8
FB		 1455 env->pc += 2;
1456 break;
355fb23d
PB		 1457 case EXCP_DEBUG:
1458 {
1459 int sig;
1460
1461 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1462 if (sig)
1463 {
1464 info.si_signo = sig;
1465 info.si_errno = 0;
1466 info.si_code = TARGET_TRAP_BRKPT;
1467 queue_signal(info.si_signo, &info);
1468 }
1469 }
1470 break;
fdf9b3e8
FB		 1471 default:
1472 printf ("Unhandled trap: 0x%x\n", trapnr);
1473 cpu_dump_state(env, stderr, fprintf, 0);
1474 exit (1);
1475 }
1476 process_pending_signals (env);
1477 }
1478}
1479#endif
1480
e6e5906b
PB		 1481#ifdef TARGET_M68K
1482
1483void cpu_loop(CPUM68KState *env)
1484{
1485 int trapnr;
1486 unsigned int n;
1487 target_siginfo_t info;
1488 TaskState *ts = env->opaque;
1489
1490 for(;;) {
1491 trapnr = cpu_m68k_exec(env);
1492 switch(trapnr) {
1493 case EXCP_ILLEGAL:
1494 {
1495 if (ts->sim_syscalls) {
1496 uint16_t nr;
1497 nr = lduw(env->pc + 2);
1498 env->pc += 4;
1499 do_m68k_simcall(env, nr);
1500 } else {
1501 goto do_sigill;
1502 }
1503 }
1504 break;
1505 case EXCP_HALTED:
1506 /* Semihosing syscall. */
1507 env->pc += 2;
1508 do_m68k_semihosting(env, env->dregs[0]);
1509 break;
1510 case EXCP_LINEA:
1511 case EXCP_LINEF:
1512 case EXCP_UNSUPPORTED:
1513 do_sigill:
1514 info.si_signo = SIGILL;
1515 info.si_errno = 0;
1516 info.si_code = TARGET_ILL_ILLOPN;
1517 info._sifields._sigfault._addr = env->pc;
1518 queue_signal(info.si_signo, &info);
1519 break;
1520 case EXCP_TRAP0:
1521 {
1522 ts->sim_syscalls = 0;
1523 n = env->dregs[0];
1524 env->pc += 2;
1525 env->dregs[0] = do_syscall(env,
1526 n,
1527 env->dregs[1],
1528 env->dregs[2],
1529 env->dregs[3],
1530 env->dregs[4],
1531 env->dregs[5],
1532 env->dregs[6]);
1533 }
1534 break;
1535 case EXCP_INTERRUPT:
1536 /* just indicate that signals should be handled asap */
1537 break;
1538 case EXCP_ACCESS:
1539 {
1540 info.si_signo = SIGSEGV;
1541 info.si_errno = 0;
1542 /* XXX: check env->error_code */
1543 info.si_code = TARGET_SEGV_MAPERR;
1544 info._sifields._sigfault._addr = env->mmu.ar;
1545 queue_signal(info.si_signo, &info);
1546 }
1547 break;
1548 case EXCP_DEBUG:
1549 {
1550 int sig;
1551
1552 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1553 if (sig)
1554 {
1555 info.si_signo = sig;
1556 info.si_errno = 0;
1557 info.si_code = TARGET_TRAP_BRKPT;
1558 queue_signal(info.si_signo, &info);
1559 }
1560 }
1561 break;
1562 default:
1563 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1564 trapnr);
1565 cpu_dump_state(env, stderr, fprintf, 0);
1566 abort();
1567 }
1568 process_pending_signals(env);
1569 }
1570}
1571#endif /* TARGET_M68K */
1572
7a3148a9
JM		 1573#ifdef TARGET_ALPHA
1574void cpu_loop (CPUState *env)
1575{
e96efcfc 1576 int trapnr;
7a3148a9
JM		 1577 target_siginfo_t info;
1578
1579 while (1) {
1580 trapnr = cpu_alpha_exec (env);
1581
1582 switch (trapnr) {
1583 case EXCP_RESET:
1584 fprintf(stderr, "Reset requested. Exit\n");
1585 exit(1);
1586 break;
1587 case EXCP_MCHK:
1588 fprintf(stderr, "Machine check exception. Exit\n");
1589 exit(1);
1590 break;
1591 case EXCP_ARITH:
1592 fprintf(stderr, "Arithmetic trap.\n");
1593 exit(1);
1594 break;
1595 case EXCP_HW_INTERRUPT:
1596 fprintf(stderr, "External interrupt. Exit\n");
1597 exit(1);
1598 break;
1599 case EXCP_DFAULT:
1600 fprintf(stderr, "MMU data fault\n");
1601 exit(1);
1602 break;
1603 case EXCP_DTB_MISS_PAL:
1604 fprintf(stderr, "MMU data TLB miss in PALcode\n");
1605 exit(1);
1606 break;
1607 case EXCP_ITB_MISS:
1608 fprintf(stderr, "MMU instruction TLB miss\n");
1609 exit(1);
1610 break;
1611 case EXCP_ITB_ACV:
1612 fprintf(stderr, "MMU instruction access violation\n");
1613 exit(1);
1614 break;
1615 case EXCP_DTB_MISS_NATIVE:
1616 fprintf(stderr, "MMU data TLB miss\n");
1617 exit(1);
1618 break;
1619 case EXCP_UNALIGN:
1620 fprintf(stderr, "Unaligned access\n");
1621 exit(1);
1622 break;
1623 case EXCP_OPCDEC:
1624 fprintf(stderr, "Invalid instruction\n");
1625 exit(1);
1626 break;
1627 case EXCP_FEN:
1628 fprintf(stderr, "Floating-point not allowed\n");
1629 exit(1);
1630 break;
1631 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
1632 fprintf(stderr, "Call to PALcode\n");
1633 call_pal(env, (trapnr >> 6) | 0x80);
1634 break;
1635 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
1636 fprintf(stderr, "Priviledged call to PALcode\n");
1637 exit(1);
1638 break;
1639 case EXCP_DEBUG:
1640 {
1641 int sig;
1642
1643 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1644 if (sig)
1645 {
1646 info.si_signo = sig;
1647 info.si_errno = 0;
1648 info.si_code = TARGET_TRAP_BRKPT;
1649 queue_signal(info.si_signo, &info);
1650 }
1651 }
1652 break;
1653 default:
1654 printf ("Unhandled trap: 0x%x\n", trapnr);
1655 cpu_dump_state(env, stderr, fprintf, 0);
1656 exit (1);
1657 }
1658 process_pending_signals (env);
1659 }
1660}
1661#endif /* TARGET_ALPHA */
1662
31e31b8a
FB		 1663void usage(void)
1664{
84f2e8ef 1665 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
b1f9be31 1666 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n"
b346ff46 1667 "Linux CPU emulator (compiled for %s emulation)\n"
d691f669 1668 "\n"
54936004 1669 "-h print this help\n"
74c33bed 1670 "-g port wait gdb connection to port\n"
b346ff46
FB		 1671 "-L path set the elf interpreter prefix (default=%s)\n"
1672 "-s size set the stack size in bytes (default=%ld)\n"
b1f9be31 1673 "-cpu model select CPU (-cpu ? for list)\n"
54936004
FB		 1674 "\n"
1675 "debug options:\n"
c6981055
FB		 1676#ifdef USE_CODE_COPY
1677 "-no-code-copy disable code copy acceleration\n"
1678#endif
6f1f31c0 1679 "-d options activate log (logfile=%s)\n"
54936004 1680 "-p pagesize set the host page size to 'pagesize'\n",
b346ff46 1681 TARGET_ARCH,
d691f669 1682 interp_prefix,
54936004
FB		 1683 x86_stack_size,
1684 DEBUG_LOGFILE);
74cd30b8 1685 _exit(1);
31e31b8a
FB		 1686}
1687
9de5e440 1688/* XXX: currently only used for async signals (see signal.c) */
b346ff46 1689CPUState *global_env;
59faf6d6 1690
851e67a1
FB		 1691/* used to free thread contexts */
1692TaskState *first_task_state;
9de5e440 1693
31e31b8a
FB		 1694int main(int argc, char **argv)
1695{
1696 const char *filename;
b1f9be31 1697 const char *cpu_model;
01ffc75b 1698 struct target_pt_regs regs1, *regs = &regs1;
31e31b8a 1699 struct image_info info1, *info = &info1;
851e67a1 1700 TaskState ts1, *ts = &ts1;
b346ff46 1701 CPUState *env;
586314f2 1702 int optind;
d691f669 1703 const char *r;
74c33bed 1704 int gdbstub_port = 0;
d691f669 1705
31e31b8a
FB		 1706 if (argc <= 1)
1707 usage();
f801f97e 1708
cc38b844
FB		 1709 /* init debug */
1710 cpu_set_log_filename(DEBUG_LOGFILE);
1711
b1f9be31 1712 cpu_model = NULL;
586314f2 1713 optind = 1;
d691f669
FB		 1714 for(;;) {
1715 if (optind >= argc)
1716 break;
1717 r = argv[optind];
1718 if (r[0] != '-')
1719 break;
586314f2 1720 optind++;
d691f669
FB		 1721 r++;
1722 if (!strcmp(r, "-")) {
1723 break;
1724 } else if (!strcmp(r, "d")) {
e19e89a5
FB		 1725 int mask;
1726 CPULogItem *item;
6f1f31c0
FB		 1727
1728 if (optind >= argc)
1729 break;
e19e89a5 1730
6f1f31c0
FB		 1731 r = argv[optind++];
1732 mask = cpu_str_to_log_mask(r);
e19e89a5
FB		 1733 if (!mask) {
1734 printf("Log items (comma separated):\n");
1735 for(item = cpu_log_items; item->mask != 0; item++) {
1736 printf("%-10s %s\n", item->name, item->help);
1737 }
1738 exit(1);
1739 }
1740 cpu_set_log(mask);
d691f669
FB		 1741 } else if (!strcmp(r, "s")) {
1742 r = argv[optind++];
1743 x86_stack_size = strtol(r, (char **)&r, 0);
1744 if (x86_stack_size <= 0)
1745 usage();
1746 if (*r == 'M')
1747 x86_stack_size *= 1024 * 1024;
1748 else if (*r == 'k' || *r == 'K')
1749 x86_stack_size *= 1024;
1750 } else if (!strcmp(r, "L")) {
1751 interp_prefix = argv[optind++];
54936004 1752 } else if (!strcmp(r, "p")) {
83fb7adf
FB		 1753 qemu_host_page_size = atoi(argv[optind++]);
1754 if (qemu_host_page_size == 0 ||
1755 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
54936004
FB		 1756 fprintf(stderr, "page size must be a power of two\n");
1757 exit(1);
1758 }
1fddef4b 1759 } else if (!strcmp(r, "g")) {
74c33bed 1760 gdbstub_port = atoi(argv[optind++]);
c5937220
PB		 1761 } else if (!strcmp(r, "r")) {
1762 qemu_uname_release = argv[optind++];
b1f9be31
JM		 1763 } else if (!strcmp(r, "cpu")) {
1764 cpu_model = argv[optind++];
1765 if (strcmp(cpu_model, "?") == 0) {
1766#if defined(TARGET_PPC)
1767 ppc_cpu_list(stdout, &fprintf);
1768#elif defined(TARGET_ARM)
1769 arm_cpu_list();
1770#elif defined(TARGET_MIPS)
1771 mips_cpu_list(stdout, &fprintf);
925fb139
BS		 1772#elif defined(TARGET_SPARC)
1773 sparc_cpu_list(stdout, &fprintf);
b1f9be31 1774#endif
cff4cbed 1775 _exit(1);
b1f9be31 1776 }
c6981055
FB		 1777 } else
1778#ifdef USE_CODE_COPY
1779 if (!strcmp(r, "no-code-copy")) {
1780 code_copy_enabled = 0;
1781 } else
1782#endif
1783 {
d691f669
FB		 1784 usage();
1785 }
586314f2 1786 }
d691f669
FB		 1787 if (optind >= argc)
1788 usage();
586314f2
FB		 1789 filename = argv[optind];
1790
31e31b8a 1791 /* Zero out regs */
01ffc75b 1792 memset(regs, 0, sizeof(struct target_pt_regs));
31e31b8a
FB		 1793
1794 /* Zero out image_info */
1795 memset(info, 0, sizeof(struct image_info));
1796
74cd30b8
FB		 1797 /* Scan interp_prefix dir for replacement files. */
1798 init_paths(interp_prefix);
1799
83fb7adf
FB		 1800 /* NOTE: we need to init the CPU at this stage to get
1801 qemu_host_page_size */
b346ff46 1802 env = cpu_init();
15338fd7 1803 global_env = env;
92ccca6a 1804
e5fe0c52 1805 if (loader_exec(filename, argv+optind, environ, regs, info) != 0) {
31e31b8a 1806 printf("Error loading %s\n", filename);
74cd30b8 1807 _exit(1);
31e31b8a
FB		 1808 }
1809
4b74fe1f 1810 if (loglevel) {
54936004
FB		 1811 page_dump(logfile);
1812
4b74fe1f
FB		 1813 fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
1814 fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
1815 fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
e5fe0c52 1816 fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
4b74fe1f
FB		 1817 fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
1818 fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
1819 fprintf(logfile, "brk 0x%08lx\n" , info->brk);
b346ff46 1820 fprintf(logfile, "entry 0x%08lx\n" , info->entry);
4b74fe1f 1821 }
31e31b8a 1822
53a5960a 1823 target_set_brk(info->brk);
31e31b8a 1824 syscall_init();
66fb9763 1825 signal_init();
31e31b8a 1826
851e67a1
FB		 1827 /* build Task State */
1828 memset(ts, 0, sizeof(TaskState));
1829 env->opaque = ts;
1830 ts->used = 1;
978efd6a 1831 ts->info = info;
59faf6d6 1832 env->user_mode_only = 1;
851e67a1 1833
b346ff46 1834#if defined(TARGET_I386)
2e255c6b
FB		 1835 cpu_x86_set_cpl(env, 3);
1836
3802ce26 1837 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1bde465e
FB		 1838 env->hflags |= HF_PE_MASK;
1839 if (env->cpuid_features & CPUID_SSE) {
1840 env->cr[4] |= CR4_OSFXSR_MASK;
1841 env->hflags |= HF_OSFXSR_MASK;
1842 }
1843
415e561f
FB		 1844 /* flags setup : we activate the IRQs by default as in user mode */
1845 env->eflags |= IF_MASK;
1846
6dbad63e 1847 /* linux register setup */
84409ddb
JM		 1848#if defined(TARGET_X86_64)
1849 env->regs[R_EAX] = regs->rax;
1850 env->regs[R_EBX] = regs->rbx;
1851 env->regs[R_ECX] = regs->rcx;
1852 env->regs[R_EDX] = regs->rdx;
1853 env->regs[R_ESI] = regs->rsi;
1854 env->regs[R_EDI] = regs->rdi;
1855 env->regs[R_EBP] = regs->rbp;
1856 env->regs[R_ESP] = regs->rsp;
1857 env->eip = regs->rip;
1858#else
0ecfa993
FB		 1859 env->regs[R_EAX] = regs->eax;
1860 env->regs[R_EBX] = regs->ebx;
1861 env->regs[R_ECX] = regs->ecx;
1862 env->regs[R_EDX] = regs->edx;
1863 env->regs[R_ESI] = regs->esi;
1864 env->regs[R_EDI] = regs->edi;
1865 env->regs[R_EBP] = regs->ebp;
1866 env->regs[R_ESP] = regs->esp;
dab2ed99 1867 env->eip = regs->eip;
84409ddb 1868#endif
31e31b8a 1869
f4beb510 1870 /* linux interrupt setup */
53a5960a 1871 env->idt.base = h2g(idt_table);
f4beb510
FB		 1872 env->idt.limit = sizeof(idt_table) - 1;
1873 set_idt(0, 0);
1874 set_idt(1, 0);
1875 set_idt(2, 0);
1876 set_idt(3, 3);
1877 set_idt(4, 3);
1878 set_idt(5, 3);
1879 set_idt(6, 0);
1880 set_idt(7, 0);
1881 set_idt(8, 0);
1882 set_idt(9, 0);
1883 set_idt(10, 0);
1884 set_idt(11, 0);
1885 set_idt(12, 0);
1886 set_idt(13, 0);
1887 set_idt(14, 0);
1888 set_idt(15, 0);
1889 set_idt(16, 0);
1890 set_idt(17, 0);
1891 set_idt(18, 0);
1892 set_idt(19, 0);
1893 set_idt(0x80, 3);
1894
6dbad63e 1895 /* linux segment setup */
53a5960a 1896 env->gdt.base = h2g(gdt_table);
6dbad63e 1897 env->gdt.limit = sizeof(gdt_table) - 1;
f4beb510
FB		 1898 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
1899 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1900 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
1901 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
1902 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1903 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
6dbad63e
FB		 1904 cpu_x86_load_seg(env, R_CS, __USER_CS);
1905 cpu_x86_load_seg(env, R_DS, __USER_DS);
1906 cpu_x86_load_seg(env, R_ES, __USER_DS);
1907 cpu_x86_load_seg(env, R_SS, __USER_DS);
1908 cpu_x86_load_seg(env, R_FS, __USER_DS);
1909 cpu_x86_load_seg(env, R_GS, __USER_DS);
92ccca6a 1910
b346ff46
FB		 1911#elif defined(TARGET_ARM)
1912 {
1913 int i;
b1f9be31
JM		 1914 if (cpu_model == NULL)
1915 cpu_model = "arm926";
1916 cpu_arm_set_model(env, cpu_model);
b5ff1b31 1917 cpsr_write(env, regs->uregs[16], 0xffffffff);
b346ff46
FB		 1918 for(i = 0; i < 16; i++) {
1919 env->regs[i] = regs->uregs[i];
1920 }
a4f81979
FB		 1921 ts->stack_base = info->start_stack;
1922 ts->heap_base = info->brk;
1923 /* This will be filled in on the first SYS_HEAPINFO call. */
1924 ts->heap_limit = 0;
b346ff46 1925 }
93ac68bc 1926#elif defined(TARGET_SPARC)
060366c5
FB		 1927 {
1928 int i;
925fb139
BS		 1929 const sparc_def_t *def;
1930#ifdef TARGET_SPARC64
1931 if (cpu_model == NULL)
1932 cpu_model = "TI UltraSparc II";
1933#else
1934 if (cpu_model == NULL)
1935 cpu_model = "Fujitsu MB86904";
1936#endif
1937 sparc_find_by_name(cpu_model, &def);
1938 if (def == NULL) {
1939 fprintf(stderr, "Unable to find Sparc CPU definition\n");
1940 exit(1);
1941 }
1942 cpu_sparc_register(env, def);
060366c5
FB		 1943 env->pc = regs->pc;
1944 env->npc = regs->npc;
1945 env->y = regs->y;
1946 for(i = 0; i < 8; i++)
1947 env->gregs[i] = regs->u_regs[i];
1948 for(i = 0; i < 8; i++)
1949 env->regwptr[i] = regs->u_regs[i + 8];
1950 }
67867308
FB		 1951#elif defined(TARGET_PPC)
1952 {
3fc6c082 1953 ppc_def_t *def;
67867308 1954 int i;
3fc6c082
FB		 1955
1956 /* Choose and initialise CPU */
b1f9be31
JM		 1957 if (cpu_model == NULL)
1958 cpu_model = "750";
1959 ppc_find_by_name(cpu_model, &def);
3fc6c082 1960 if (def == NULL) {
c68ea704 1961 cpu_abort(env,
3fc6c082
FB		 1962 "Unable to find PowerPC CPU definition\n");
1963 }
c68ea704 1964 cpu_ppc_register(env, def);
3fc6c082 1965
61190b14 1966 for (i = 0; i < 32; i++) {
4c2e770f 1967 if (i != 12 && i != 6 && i != 13)
61190b14
FB		 1968 env->msr[i] = (regs->msr >> i) & 1;
1969 }
84409ddb
JM		 1970#if defined(TARGET_PPC64)
1971 msr_sf = 1;
1972#endif
67867308
FB		 1973 env->nip = regs->nip;
1974 for(i = 0; i < 32; i++) {
1975 env->gpr[i] = regs->gpr[i];
1976 }
1977 }
e6e5906b
PB		 1978#elif defined(TARGET_M68K)
1979 {
0633879f
PB		 1980 if (cpu_model == NULL)
1981 cpu_model = "cfv4e";
1982 if (cpu_m68k_set_model(env, cpu_model)) {
e6e5906b
PB		 1983 cpu_abort(cpu_single_env,
1984 "Unable to find m68k CPU definition\n");
1985 }
e6e5906b
PB		 1986 env->pc = regs->pc;
1987 env->dregs[0] = regs->d0;
1988 env->dregs[1] = regs->d1;
1989 env->dregs[2] = regs->d2;
1990 env->dregs[3] = regs->d3;
1991 env->dregs[4] = regs->d4;
1992 env->dregs[5] = regs->d5;
1993 env->dregs[6] = regs->d6;
1994 env->dregs[7] = regs->d7;
1995 env->aregs[0] = regs->a0;
1996 env->aregs[1] = regs->a1;
1997 env->aregs[2] = regs->a2;
1998 env->aregs[3] = regs->a3;
1999 env->aregs[4] = regs->a4;
2000 env->aregs[5] = regs->a5;
2001 env->aregs[6] = regs->a6;
2002 env->aregs[7] = regs->usp;
2003 env->sr = regs->sr;
2004 ts->sim_syscalls = 1;
2005 }
048f6b4d
FB		 2006#elif defined(TARGET_MIPS)
2007 {
cff4cbed 2008 mips_def_t *def;
048f6b4d
FB		 2009 int i;
2010
cff4cbed
TS		 2011 /* Choose and initialise CPU */
2012 if (cpu_model == NULL)
2013 cpu_model = "24Kf";
2014 mips_find_by_name(cpu_model, &def);
2015 if (def == NULL)
2016 cpu_abort(env, "Unable to find MIPS CPU definition\n");
2017 cpu_mips_register(env, def);
2018
048f6b4d
FB		 2019 for(i = 0; i < 32; i++) {
2020 env->gpr[i] = regs->regs[i];
2021 }
2022 env->PC = regs->cp0_epc;
36d23958
TS		 2023 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
2024 env->CP0_Status |= (1 << CP0St_CU1);
2025 }
048f6b4d 2026 }
fdf9b3e8
FB		 2027#elif defined(TARGET_SH4)
2028 {
2029 int i;
2030
2031 for(i = 0; i < 16; i++) {
2032 env->gregs[i] = regs->regs[i];
2033 }
2034 env->pc = regs->pc;
2035 }
7a3148a9
JM		 2036#elif defined(TARGET_ALPHA)
2037 {
2038 int i;
2039
2040 for(i = 0; i < 28; i++) {
2041 env->ir[i] = ((target_ulong *)regs)[i];
2042 }
2043 env->ipr[IPR_USP] = regs->usp;
2044 env->ir[30] = regs->usp;
2045 env->pc = regs->pc;
2046 env->unique = regs->unique;
2047 }
b346ff46
FB		 2048#else
2049#error unsupported target CPU
2050#endif
31e31b8a 2051
74c33bed
FB		 2052 if (gdbstub_port) {
2053 gdbserver_start (gdbstub_port);
1fddef4b
FB		 2054 gdb_handlesig(env, 0);
2055 }
1b6b029e
FB		 2056 cpu_loop(env);
2057 /* never exits */
31e31b8a
FB		 2058 return 0;
2059}
Qemu copy for testing