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Solaris x86_64 configure patch, by Ben Taylor.
[qemu.git] / linux-user / main.c
CommitLineData
31e31b8a 1/*
93ac68bc 2 * qemu user main
5fafdf24 3 *
31e31b8a
FB		 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
5fafdf24 134static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
f4beb510 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
5fafdf24 147static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
f4beb510
FB		 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 */
5fafdf24
TS		 179 env->regs[R_EAX] = do_syscall(env,
180 env->regs[R_EAX],
f4beb510
FB		 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;
5fafdf24 296 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
bc8a22cc 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;
5fafdf24 334
b346ff46
FB		 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]);
5fafdf24 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 }
5fafdf24
TS		 398 env->regs[0] = do_syscall(env,
399 n,
b346ff46
FB		 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:
5fafdf24 446 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
b346ff46 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;
5fafdf24 478
53a5960a 479 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5 480#if defined(DEBUG_WIN)
5fafdf24 481 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
060366c5
FB		 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;
5fafdf24 509
060366c5
FB		 510 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
511 ((1LL << NWINDOWS) - 1);
5fafdf24 512
060366c5
FB		 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 516#if defined(DEBUG_WIN)
5fafdf24 517 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
060366c5
FB		 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;
5fafdf24 558
060366c5
FB		 559 while (1) {
560 trapnr = cpu_sparc_exec (env);
5fafdf24 561
060366c5 562 switch (trapnr) {
5ef54116 563#ifndef TARGET_SPARC64
5fafdf24 564 case 0x88:
060366c5 565 case 0x90:
5ef54116
FB		 566#else
567 case 0x16d:
568#endif
060366c5 569 ret = do_syscall (env, env->gregs[1],
5fafdf24
TS		 570 env->regwptr[0], env->regwptr[1],
571 env->regwptr[2], env->regwptr[3],
060366c5
FB		 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;
7f84a729
BS		 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;
3475187d 637#endif
48dc41eb
FB		 638 case EXCP_INTERRUPT:
639 /* just indicate that signals should be handled asap */
640 break;
1fddef4b
FB		 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;
060366c5
FB		 655 default:
656 printf ("Unhandled trap: 0x%x\n", trapnr);
7fe48483 657 cpu_dump_state(env, stderr, fprintf, 0);
060366c5
FB		 658 exit (1);
659 }
660 process_pending_signals (env);
661 }
93ac68bc
FB		 662}
663
664#endif
665
67867308 666#ifdef TARGET_PPC
9fddaa0c
FB		 667
668static inline uint64_t cpu_ppc_get_tb (CPUState *env)
669{
670 /* TO FIX */
671 return 0;
672}
5fafdf24 673
9fddaa0c
FB		 674uint32_t cpu_ppc_load_tbl (CPUState *env)
675{
676 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
677}
5fafdf24 678
9fddaa0c
FB		 679uint32_t cpu_ppc_load_tbu (CPUState *env)
680{
681 return cpu_ppc_get_tb(env) >> 32;
682}
5fafdf24 683
9fddaa0c
FB		 684static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
685{
686 /* TO FIX */
687}
688
689void 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}
5fafdf24 693
9fddaa0c
FB		 694void 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}
76a66253
JM		 698
699void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value)
700__attribute__ (( alias ("cpu_ppc_store_tbu") ));
701
702uint32_t cpu_ppc601_load_rtcu (CPUState *env)
703__attribute__ (( alias ("cpu_ppc_load_tbu") ));
704
705void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value)
9fddaa0c 706{
76a66253 707 cpu_ppc_store_tbl(env, value & 0x3FFFFF80);
9fddaa0c 708}
76a66253
JM		 709
710uint32_t cpu_ppc601_load_rtcl (CPUState *env)
9fddaa0c 711{
76a66253 712 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
9fddaa0c 713}
76a66253 714
67867308
FB		 715void cpu_loop(CPUPPCState *env)
716{
67867308 717 target_siginfo_t info;
61190b14
FB		 718 int trapnr;
719 uint32_t ret;
5fafdf24 720
67867308
FB		 721 for(;;) {
722 trapnr = cpu_ppc_exec(env);
61190b14
FB		 723 if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
724 trapnr != EXCP_TRACE) {
725 if (loglevel > 0) {
7fe48483 726 cpu_dump_state(env, logfile, fprintf, 0);
61190b14
FB		 727 }
728 }
67867308
FB		 729 switch(trapnr) {
730 case EXCP_NONE:
67867308 731 break;
61190b14
FB		 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 */
67867308 738#if 0
61190b14
FB		 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]);
67867308 741#endif
61190b14
FB		 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");
67867308 760 abort();
61190b14
FB		 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;
67867308 766 info.si_errno = 0;
61190b14
FB		 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:
e96efcfc 771 fprintf(stderr, "Invalid data memory access: 0x" ADDRX "\n",
3fc6c082 772 env->spr[SPR_DAR]);
61190b14 773 if (loglevel) {
e96efcfc 774 fprintf(logfile, "Invalid data memory access: 0x" ADDRX "\n",
3fc6c082 775 env->spr[SPR_DAR]);
61190b14 776 }
2be0071f
FB		 777 switch (env->error_code & 0xFF000000) {
778 case 0x40000000:
61190b14
FB		 779 info.si_signo = TARGET_SIGSEGV;
780 info.si_errno = 0;
781 info.si_code = TARGET_SEGV_MAPERR;
782 break;
2be0071f 783 case 0x04000000:
61190b14
FB		 784 info.si_signo = TARGET_SIGILL;
785 info.si_errno = 0;
786 info.si_code = TARGET_ILL_ILLADR;
787 break;
2be0071f 788 case 0x08000000:
61190b14
FB		 789 info.si_signo = TARGET_SIGSEGV;
790 info.si_errno = 0;
791 info.si_code = TARGET_SEGV_ACCERR;
792 break;
61190b14
FB		 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 }
67867308
FB		 806 info._sifields._sigfault._addr = env->nip;
807 queue_signal(info.si_signo, &info);
808 break;
61190b14 809 case EXCP_ISI:
67867308 810 fprintf(stderr, "Invalid instruction fetch\n");
61190b14
FB		 811 if (loglevel)
812 fprintf(logfile, "Invalid instruction fetch\n");
2be0071f
FB		 813 switch (env->error_code & 0xFF000000) {
814 case 0x40000000:
61190b14 815 info.si_signo = TARGET_SIGSEGV;
67867308 816 info.si_errno = 0;
61190b14
FB		 817 info.si_code = TARGET_SEGV_MAPERR;
818 break;
2be0071f
FB		 819 case 0x10000000:
820 case 0x08000000:
61190b14
FB		 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;
67867308
FB		 839 queue_signal(info.si_signo, &info);
840 break;
61190b14
FB		 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");
67867308 846 abort();
61190b14
FB		 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;
67867308 852 info.si_errno = 0;
61190b14
FB		 853 info.si_code = TARGET_BUS_ADRALN;
854 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 855 queue_signal(info.si_signo, &info);
856 break;
61190b14
FB		 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;
67867308 906 case EXCP_INVAL:
61190b14
FB		 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:
67867308 917 info.si_code = TARGET_ILL_ILLOPN;
61190b14
FB		 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;
67867308
FB		 972 queue_signal(info.si_signo, &info);
973 break;
61190b14
FB		 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;
67867308 979 info.si_errno = 0;
61190b14
FB		 980 info.si_code = TARGET_ILL_COPROC;
981 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 982 queue_signal(info.si_signo, &info);
983 break;
61190b14
FB		 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();
61190b14
FB		 990 case EXCP_TRACE:
991 /* Do nothing: we use this to trace execution */
67867308 992 break;
61190b14
FB		 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 */
9fddaa0c 1001 if (msr_pr == 0) {
61190b14
FB		 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();
67867308 1006 }
61190b14
FB		 1007 break;
1008 case EXCP_BRANCH:
1009 /* We stopped because of a jump... */
1010 break;
61190b14
FB		 1011 case EXCP_INTERRUPT:
1012 /* Don't know why this should ever happen... */
1013 break;
1fddef4b
FB		 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;
67867308 1028 default:
5fafdf24 1029 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
67867308 1030 trapnr);
61190b14
FB		 1031 if (loglevel) {
1032 fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
1033 "0x%02x - aborting\n", trapnr, env->error_code);
1034 }
67867308
FB		 1035 abort();
1036 }
1037 process_pending_signals(env);
1038 }
1039}
1040#endif
1041
048f6b4d
FB		 1042#ifdef TARGET_MIPS
1043
1044#define MIPS_SYS(name, args) args,
1045
1046static 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)
388bb21a 1328 MIPS_SYS(sys_request_key, 4)
048f6b4d 1329 MIPS_SYS(sys_keyctl , 5)
6f5b89a0 1330 MIPS_SYS(sys_set_thread_area, 1)
388bb21a
TS		 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)
048f6b4d
FB		 1363};
1364
1365#undef MIPS_SYS
1366
1367void cpu_loop(CPUMIPSState *env)
1368{
1369 target_siginfo_t info;
388bb21a 1370 int trapnr, ret;
048f6b4d 1371 unsigned int syscall_num;
048f6b4d
FB		 1372
1373 for(;;) {
1374 trapnr = cpu_mips_exec(env);
1375 switch(trapnr) {
1376 case EXCP_SYSCALL:
ead9360e
TS		 1377 syscall_num = env->gpr[2][env->current_tc] - 4000;
1378 env->PC[env->current_tc] += 4;
388bb21a
TS		 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];
ead9360e 1387 sp_reg = env->gpr[29][env->current_tc];
388bb21a
TS		 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;
048f6b4d 1396 }
ead9360e
TS		 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],
388bb21a
TS		 1402 arg5, arg6/*, arg7, arg8*/);
1403 }
1404 if ((unsigned int)ret >= (unsigned int)(-1133)) {
ead9360e 1405 env->gpr[7][env->current_tc] = 1; /* error flag */
388bb21a
TS		 1406 ret = -ret;
1407 } else {
ead9360e 1408 env->gpr[7][env->current_tc] = 0; /* error flag */
048f6b4d 1409 }
ead9360e 1410 env->gpr[2][env->current_tc] = ret;
048f6b4d 1411 break;
ca7c2b1b
TS		 1412 case EXCP_TLBL:
1413 case EXCP_TLBS:
6900e84b 1414 case EXCP_CpU:
048f6b4d 1415 case EXCP_RI:
bc1ad2de
FB		 1416 info.si_signo = TARGET_SIGILL;
1417 info.si_errno = 0;
1418 info.si_code = 0;
1419 queue_signal(info.si_signo, &info);
048f6b4d 1420 break;
106ec879
FB		 1421 case EXCP_INTERRUPT:
1422 /* just indicate that signals should be handled asap */
1423 break;
d08b2a28
PB		 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;
048f6b4d
FB		 1438 default:
1439 // error:
5fafdf24 1440 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
048f6b4d
FB		 1441 trapnr);
1442 cpu_dump_state(env, stderr, fprintf, 0);
1443 abort();
1444 }
1445 process_pending_signals(env);
1446 }
1447}
1448#endif
1449
fdf9b3e8
FB		 1450#ifdef TARGET_SH4
1451void cpu_loop (CPUState *env)
1452{
1453 int trapnr, ret;
355fb23d 1454 target_siginfo_t info;
5fafdf24 1455
fdf9b3e8
FB		 1456 while (1) {
1457 trapnr = cpu_sh4_exec (env);
5fafdf24 1458
fdf9b3e8
FB		 1459 switch (trapnr) {
1460 case 0x160:
5fafdf24
TS		 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],
fdf9b3e8 1468 0);
9c2a9ea1 1469 env->gregs[0] = ret;
fdf9b3e8
FB		 1470 env->pc += 2;
1471 break;
355fb23d
PB		 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;
fdf9b3e8
FB		 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
e6e5906b
PB		 1496#ifdef TARGET_M68K
1497
1498void cpu_loop(CPUM68KState *env)
1499{
1500 int trapnr;
1501 unsigned int n;
1502 target_siginfo_t info;
1503 TaskState *ts = env->opaque;
5fafdf24 1504
e6e5906b
PB		 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;
a87295e8 1520 case EXCP_HALT_INSN:
e6e5906b 1521 /* Semihosing syscall. */
a87295e8 1522 env->pc += 4;
e6e5906b
PB		 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;
5fafdf24
TS		 1540 env->dregs[0] = do_syscall(env,
1541 n,
e6e5906b
PB		 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:
5fafdf24 1578 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
e6e5906b
PB		 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
7a3148a9
JM		 1588#ifdef TARGET_ALPHA
1589void cpu_loop (CPUState *env)
1590{
e96efcfc 1591 int trapnr;
7a3148a9 1592 target_siginfo_t info;
5fafdf24 1593
7a3148a9
JM		 1594 while (1) {
1595 trapnr = cpu_alpha_exec (env);
5fafdf24 1596
7a3148a9
JM		 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:
5fafdf24 1611 fprintf(stderr, "External interrupt. Exit\n");
7a3148a9
JM		 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):
7f75ffd3 1651 fprintf(stderr, "Privileged call to PALcode\n");
7a3148a9
JM		 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
31e31b8a
FB		 1678void usage(void)
1679{
84f2e8ef 1680 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
b1f9be31 1681 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n"
b346ff46 1682 "Linux CPU emulator (compiled for %s emulation)\n"
d691f669 1683 "\n"
b12b6a18
TS		 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"
54936004
FB		 1690 "\n"
1691 "debug options:\n"
c6981055
FB		 1692#ifdef USE_CODE_COPY
1693 "-no-code-copy disable code copy acceleration\n"
1694#endif
6f1f31c0 1695 "-d options activate log (logfile=%s)\n"
54936004 1696 "-p pagesize set the host page size to 'pagesize'\n",
b346ff46 1697 TARGET_ARCH,
5fafdf24 1698 interp_prefix,
54936004
FB		 1699 x86_stack_size,
1700 DEBUG_LOGFILE);
74cd30b8 1701 _exit(1);
31e31b8a
FB		 1702}
1703
9de5e440 1704/* XXX: currently only used for async signals (see signal.c) */
b346ff46 1705CPUState *global_env;
59faf6d6 1706
851e67a1
FB		 1707/* used to free thread contexts */
1708TaskState *first_task_state;
9de5e440 1709
31e31b8a
FB		 1710int main(int argc, char **argv)
1711{
1712 const char *filename;
b1f9be31 1713 const char *cpu_model;
01ffc75b 1714 struct target_pt_regs regs1, *regs = &regs1;
31e31b8a 1715 struct image_info info1, *info = &info1;
851e67a1 1716 TaskState ts1, *ts = &ts1;
b346ff46 1717 CPUState *env;
586314f2 1718 int optind;
d691f669 1719 const char *r;
74c33bed 1720 int gdbstub_port = 0;
b12b6a18
TS		 1721 int drop_ld_preload = 0, environ_count = 0;
1722 char **target_environ, **wrk, **dst;
1723
31e31b8a
FB		 1724 if (argc <= 1)
1725 usage();
f801f97e 1726
cc38b844
FB		 1727 /* init debug */
1728 cpu_set_log_filename(DEBUG_LOGFILE);
1729
b1f9be31 1730 cpu_model = NULL;
586314f2 1731 optind = 1;
d691f669
FB		 1732 for(;;) {
1733 if (optind >= argc)
1734 break;
1735 r = argv[optind];
1736 if (r[0] != '-')
1737 break;
586314f2 1738 optind++;
d691f669
FB		 1739 r++;
1740 if (!strcmp(r, "-")) {
1741 break;
1742 } else if (!strcmp(r, "d")) {
e19e89a5
FB		 1743 int mask;
1744 CPULogItem *item;
6f1f31c0
FB		 1745
1746 if (optind >= argc)
1747 break;
5fafdf24 1748
6f1f31c0
FB		 1749 r = argv[optind++];
1750 mask = cpu_str_to_log_mask(r);
e19e89a5
FB		 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);
d691f669
FB		 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++];
54936004 1770 } else if (!strcmp(r, "p")) {
83fb7adf
FB		 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) {
54936004
FB		 1774 fprintf(stderr, "page size must be a power of two\n");
1775 exit(1);
1776 }
1fddef4b 1777 } else if (!strcmp(r, "g")) {
74c33bed 1778 gdbstub_port = atoi(argv[optind++]);
c5937220
PB		 1779 } else if (!strcmp(r, "r")) {
1780 qemu_uname_release = argv[optind++];
b1f9be31
JM		 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);
925fb139
BS		 1790#elif defined(TARGET_SPARC)
1791 sparc_cpu_list(stdout, &fprintf);
b1f9be31 1792#endif
cff4cbed 1793 _exit(1);
b1f9be31 1794 }
b12b6a18
TS		 1795 } else if (!strcmp(r, "drop-ld-preload")) {
1796 drop_ld_preload = 1;
5fafdf24 1797 } else
c6981055
FB		 1798#ifdef USE_CODE_COPY
1799 if (!strcmp(r, "no-code-copy")) {
1800 code_copy_enabled = 0;
5fafdf24 1801 } else
c6981055
FB		 1802#endif
1803 {
d691f669
FB		 1804 usage();
1805 }
586314f2 1806 }
d691f669
FB		 1807 if (optind >= argc)
1808 usage();
586314f2
FB		 1809 filename = argv[optind];
1810
31e31b8a 1811 /* Zero out regs */
01ffc75b 1812 memset(regs, 0, sizeof(struct target_pt_regs));
31e31b8a
FB		 1813
1814 /* Zero out image_info */
1815 memset(info, 0, sizeof(struct image_info));
1816
74cd30b8
FB		 1817 /* Scan interp_prefix dir for replacement files. */
1818 init_paths(interp_prefix);
1819
83fb7adf
FB		 1820 /* NOTE: we need to init the CPU at this stage to get
1821 qemu_host_page_size */
b346ff46 1822 env = cpu_init();
15338fd7 1823 global_env = env;
5fafdf24 1824
b12b6a18
TS		 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 }
403f14ef 1837 *dst = NULL; /* NULL terminate target_environ */
b12b6a18
TS		 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);
31e31b8a 1846 }
5fafdf24 1847
b12b6a18
TS		 1848 free(target_environ);
1849
4b74fe1f 1850 if (loglevel) {
54936004 1851 page_dump(logfile);
5fafdf24 1852
4b74fe1f
FB		 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);
e5fe0c52 1856 fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
4b74fe1f
FB		 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);
b346ff46 1860 fprintf(logfile, "entry 0x%08lx\n" , info->entry);
4b74fe1f 1861 }
31e31b8a 1862
53a5960a 1863 target_set_brk(info->brk);
31e31b8a 1864 syscall_init();
66fb9763 1865 signal_init();
31e31b8a 1866
851e67a1
FB		 1867 /* build Task State */
1868 memset(ts, 0, sizeof(TaskState));
1869 env->opaque = ts;
1870 ts->used = 1;
978efd6a 1871 ts->info = info;
59faf6d6 1872 env->user_mode_only = 1;
5fafdf24 1873
b346ff46 1874#if defined(TARGET_I386)
2e255c6b
FB		 1875 cpu_x86_set_cpl(env, 3);
1876
3802ce26 1877 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1bde465e
FB		 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
415e561f
FB		 1884 /* flags setup : we activate the IRQs by default as in user mode */
1885 env->eflags |= IF_MASK;
5fafdf24 1886
6dbad63e 1887 /* linux register setup */
84409ddb
JM		 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
0ecfa993
FB		 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;
dab2ed99 1907 env->eip = regs->eip;
84409ddb 1908#endif
31e31b8a 1909
f4beb510 1910 /* linux interrupt setup */
53a5960a 1911 env->idt.base = h2g(idt_table);
f4beb510
FB		 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
6dbad63e 1935 /* linux segment setup */
53a5960a 1936 env->gdt.base = h2g(gdt_table);
6dbad63e 1937 env->gdt.limit = sizeof(gdt_table) - 1;
f4beb510 1938 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
5fafdf24 1939 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
f4beb510
FB		 1940 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
1941 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
5fafdf24 1942 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
f4beb510 1943 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
6dbad63e
FB		 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);
92ccca6a 1950
d6eb40f6
TS		 1951 /* This hack makes Wine work... */
1952 env->segs[R_FS].selector = 0;
b346ff46
FB		 1953#elif defined(TARGET_ARM)
1954 {
1955 int i;
b1f9be31
JM		 1956 if (cpu_model == NULL)
1957 cpu_model = "arm926";
1958 cpu_arm_set_model(env, cpu_model);
b5ff1b31 1959 cpsr_write(env, regs->uregs[16], 0xffffffff);
b346ff46
FB		 1960 for(i = 0; i < 16; i++) {
1961 env->regs[i] = regs->uregs[i];
1962 }
b346ff46 1963 }
93ac68bc 1964#elif defined(TARGET_SPARC)
060366c5
FB		 1965 {
1966 int i;
925fb139
BS		 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);
060366c5
FB		 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 }
67867308
FB		 1989#elif defined(TARGET_PPC)
1990 {
3fc6c082 1991 ppc_def_t *def;
67867308 1992 int i;
3fc6c082
FB		 1993
1994 /* Choose and initialise CPU */
b1f9be31
JM		 1995 if (cpu_model == NULL)
1996 cpu_model = "750";
1997 ppc_find_by_name(cpu_model, &def);
3fc6c082 1998 if (def == NULL) {
c68ea704 1999 cpu_abort(env,
3fc6c082
FB		 2000 "Unable to find PowerPC CPU definition\n");
2001 }
c68ea704 2002 cpu_ppc_register(env, def);
3fc6c082 2003
61190b14 2004 for (i = 0; i < 32; i++) {
4c2e770f 2005 if (i != 12 && i != 6 && i != 13)
61190b14
FB		 2006 env->msr[i] = (regs->msr >> i) & 1;
2007 }
84409ddb
JM		 2008#if defined(TARGET_PPC64)
2009 msr_sf = 1;
2010#endif
67867308
FB		 2011 env->nip = regs->nip;
2012 for(i = 0; i < 32; i++) {
2013 env->gpr[i] = regs->gpr[i];
2014 }
2015 }
e6e5906b
PB		 2016#elif defined(TARGET_M68K)
2017 {
0633879f 2018 if (cpu_model == NULL)
0402f767 2019 cpu_model = "any";
0633879f 2020 if (cpu_m68k_set_model(env, cpu_model)) {
e6e5906b
PB		 2021 cpu_abort(cpu_single_env,
2022 "Unable to find m68k CPU definition\n");
2023 }
e6e5906b
PB		 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 }
048f6b4d
FB		 2044#elif defined(TARGET_MIPS)
2045 {
cff4cbed 2046 mips_def_t *def;
048f6b4d
FB		 2047 int i;
2048
cff4cbed
TS		 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
048f6b4d 2057 for(i = 0; i < 32; i++) {
ead9360e 2058 env->gpr[i][env->current_tc] = regs->regs[i];
048f6b4d 2059 }
ead9360e 2060 env->PC[env->current_tc] = regs->cp0_epc;
048f6b4d 2061 }
fdf9b3e8
FB		 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 }
7a3148a9
JM		 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 }
b346ff46
FB		 2083#else
2084#error unsupported target CPU
2085#endif
31e31b8a 2086
a87295e8
PB		 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
74c33bed
FB		 2094 if (gdbstub_port) {
2095 gdbserver_start (gdbstub_port);
1fddef4b
FB		 2096 gdb_handlesig(env, 0);
2097 }
1b6b029e
FB		 2098 cpu_loop(env);
2099 /* never exits */
31e31b8a
FB		 2100 return 0;
2101}
Qemu copy for testing