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Great PowerPC emulation code resynchronisation and improvments:
[mirror_qemu.git] / linux-user / main.c
CommitLineData
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:
851e67a1 197 if (env->eflags & VM_MASK) {
89e957e7 198 handle_vm86_fault(env);
1b6b029e 199 } else {
f4beb510
FB		 200 info.si_signo = SIGSEGV;
201 info.si_errno = 0;
202 info.si_code = TARGET_SI_KERNEL;
203 info._sifields._sigfault._addr = 0;
204 queue_signal(info.si_signo, &info);
1b6b029e
FB		 205 }
206 break;
b689bc57
FB		 207 case EXCP0E_PAGE:
208 info.si_signo = SIGSEGV;
209 info.si_errno = 0;
210 if (!(env->error_code & 1))
211 info.si_code = TARGET_SEGV_MAPERR;
212 else
213 info.si_code = TARGET_SEGV_ACCERR;
970a87a6 214 info._sifields._sigfault._addr = env->cr[2];
b689bc57
FB		 215 queue_signal(info.si_signo, &info);
216 break;
9de5e440 217 case EXCP00_DIVZ:
bc8a22cc 218 if (env->eflags & VM_MASK) {
447db213 219 handle_vm86_trap(env, trapnr);
bc8a22cc
FB		 220 } else {
221 /* division by zero */
222 info.si_signo = SIGFPE;
223 info.si_errno = 0;
224 info.si_code = TARGET_FPE_INTDIV;
225 info._sifields._sigfault._addr = env->eip;
226 queue_signal(info.si_signo, &info);
227 }
9de5e440 228 break;
447db213
FB		 229 case EXCP01_SSTP:
230 case EXCP03_INT3:
231 if (env->eflags & VM_MASK) {
232 handle_vm86_trap(env, trapnr);
233 } else {
234 info.si_signo = SIGTRAP;
235 info.si_errno = 0;
236 if (trapnr == EXCP01_SSTP) {
237 info.si_code = TARGET_TRAP_BRKPT;
238 info._sifields._sigfault._addr = env->eip;
239 } else {
240 info.si_code = TARGET_SI_KERNEL;
241 info._sifields._sigfault._addr = 0;
242 }
243 queue_signal(info.si_signo, &info);
244 }
245 break;
9de5e440
FB		 246 case EXCP04_INTO:
247 case EXCP05_BOUND:
bc8a22cc 248 if (env->eflags & VM_MASK) {
447db213 249 handle_vm86_trap(env, trapnr);
bc8a22cc
FB		 250 } else {
251 info.si_signo = SIGSEGV;
252 info.si_errno = 0;
b689bc57 253 info.si_code = TARGET_SI_KERNEL;
bc8a22cc
FB		 254 info._sifields._sigfault._addr = 0;
255 queue_signal(info.si_signo, &info);
256 }
9de5e440
FB		 257 break;
258 case EXCP06_ILLOP:
259 info.si_signo = SIGILL;
260 info.si_errno = 0;
261 info.si_code = TARGET_ILL_ILLOPN;
262 info._sifields._sigfault._addr = env->eip;
263 queue_signal(info.si_signo, &info);
264 break;
265 case EXCP_INTERRUPT:
266 /* just indicate that signals should be handled asap */
267 break;
1fddef4b
FB		 268 case EXCP_DEBUG:
269 {
270 int sig;
271
272 sig = gdb_handlesig (env, TARGET_SIGTRAP);
273 if (sig)
274 {
275 info.si_signo = sig;
276 info.si_errno = 0;
277 info.si_code = TARGET_TRAP_BRKPT;
278 queue_signal(info.si_signo, &info);
279 }
280 }
281 break;
1b6b029e 282 default:
970a87a6 283 pc = env->segs[R_CS].base + env->eip;
bc8a22cc
FB		 284 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
285 (long)pc, trapnr);
1b6b029e
FB		 286 abort();
287 }
66fb9763 288 process_pending_signals(env);
1b6b029e
FB		 289 }
290}
b346ff46
FB		 291#endif
292
293#ifdef TARGET_ARM
294
6f1f31c0
FB		 295/* XXX: find a better solution */
296extern void tb_invalidate_page_range(target_ulong start, target_ulong end);
297
298static void arm_cache_flush(target_ulong start, target_ulong last)
299{
300 target_ulong addr, last1;
301
302 if (last < start)
303 return;
304 addr = start;
305 for(;;) {
306 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
307 if (last1 > last)
308 last1 = last;
309 tb_invalidate_page_range(addr, last1 + 1);
310 if (last1 == last)
311 break;
312 addr = last1 + 1;
313 }
314}
315
b346ff46
FB		 316void cpu_loop(CPUARMState *env)
317{
318 int trapnr;
319 unsigned int n, insn;
320 target_siginfo_t info;
b5ff1b31 321 uint32_t addr;
b346ff46
FB		 322
323 for(;;) {
324 trapnr = cpu_arm_exec(env);
325 switch(trapnr) {
326 case EXCP_UDEF:
c6981055
FB		 327 {
328 TaskState *ts = env->opaque;
329 uint32_t opcode;
330
331 /* we handle the FPU emulation here, as Linux */
332 /* we get the opcode */
53a5960a 333 opcode = tget32(env->regs[15]);
c6981055 334
19b045de 335 if (EmulateAll(opcode, &ts->fpa, env) == 0) {
c6981055
FB		 336 info.si_signo = SIGILL;
337 info.si_errno = 0;
338 info.si_code = TARGET_ILL_ILLOPN;
339 info._sifields._sigfault._addr = env->regs[15];
340 queue_signal(info.si_signo, &info);
341 } else {
342 /* increment PC */
343 env->regs[15] += 4;
344 }
345 }
b346ff46
FB		 346 break;
347 case EXCP_SWI:
06c949e6 348 case EXCP_BKPT:
b346ff46 349 {
ce4defa0 350 env->eabi = 1;
b346ff46 351 /* system call */
06c949e6
PB		 352 if (trapnr == EXCP_BKPT) {
353 if (env->thumb) {
53a5960a 354 insn = tget16(env->regs[15]);
06c949e6
PB		 355 n = insn & 0xff;
356 env->regs[15] += 2;
357 } else {
53a5960a 358 insn = tget32(env->regs[15]);
06c949e6
PB		 359 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
360 env->regs[15] += 4;
361 }
192c7bd9 362 } else {
06c949e6 363 if (env->thumb) {
53a5960a 364 insn = tget16(env->regs[15] - 2);
06c949e6
PB		 365 n = insn & 0xff;
366 } else {
53a5960a 367 insn = tget32(env->regs[15] - 4);
06c949e6
PB		 368 n = insn & 0xffffff;
369 }
192c7bd9
FB		 370 }
371
6f1f31c0
FB		 372 if (n == ARM_NR_cacheflush) {
373 arm_cache_flush(env->regs[0], env->regs[1]);
a4f81979
FB		 374 } else if (n == ARM_NR_semihosting
375 || n == ARM_NR_thumb_semihosting) {
376 env->regs[0] = do_arm_semihosting (env);
ce4defa0 377 } else if (n == 0 || n >= ARM_SYSCALL_BASE
192c7bd9 378 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
b346ff46 379 /* linux syscall */
ce4defa0 380 if (env->thumb || n == 0) {
192c7bd9
FB		 381 n = env->regs[7];
382 } else {
383 n -= ARM_SYSCALL_BASE;
ce4defa0 384 env->eabi = 0;
192c7bd9 385 }
b346ff46
FB		 386 env->regs[0] = do_syscall(env,
387 n,
388 env->regs[0],
389 env->regs[1],
390 env->regs[2],
391 env->regs[3],
392 env->regs[4],
e1a2849c 393 env->regs[5]);
b346ff46
FB		 394 } else {
395 goto error;
396 }
397 }
398 break;
43fff238
FB		 399 case EXCP_INTERRUPT:
400 /* just indicate that signals should be handled asap */
401 break;
68016c62 402 case EXCP_PREFETCH_ABORT:
b5ff1b31
FB		 403 addr = env->cp15.c6_data;
404 goto do_segv;
68016c62 405 case EXCP_DATA_ABORT:
b5ff1b31
FB		 406 addr = env->cp15.c6_insn;
407 goto do_segv;
408 do_segv:
68016c62
FB		 409 {
410 info.si_signo = SIGSEGV;
411 info.si_errno = 0;
412 /* XXX: check env->error_code */
413 info.si_code = TARGET_SEGV_MAPERR;
b5ff1b31 414 info._sifields._sigfault._addr = addr;
68016c62
FB		 415 queue_signal(info.si_signo, &info);
416 }
417 break;
1fddef4b
FB		 418 case EXCP_DEBUG:
419 {
420 int sig;
421
422 sig = gdb_handlesig (env, TARGET_SIGTRAP);
423 if (sig)
424 {
425 info.si_signo = sig;
426 info.si_errno = 0;
427 info.si_code = TARGET_TRAP_BRKPT;
428 queue_signal(info.si_signo, &info);
429 }
430 }
431 break;
b346ff46
FB		 432 default:
433 error:
434 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
435 trapnr);
7fe48483 436 cpu_dump_state(env, stderr, fprintf, 0);
b346ff46
FB		 437 abort();
438 }
439 process_pending_signals(env);
440 }
441}
442
443#endif
1b6b029e 444
93ac68bc
FB		 445#ifdef TARGET_SPARC
446
060366c5
FB		 447//#define DEBUG_WIN
448
2623cbaf
FB		 449/* WARNING: dealing with register windows _is_ complicated. More info
450 can be found at http://www.sics.se/~psm/sparcstack.html */
060366c5
FB		 451static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
452{
453 index = (index + cwp * 16) & (16 * NWINDOWS - 1);
454 /* wrap handling : if cwp is on the last window, then we use the
455 registers 'after' the end */
456 if (index < 8 && env->cwp == (NWINDOWS - 1))
457 index += (16 * NWINDOWS);
458 return index;
459}
460
2623cbaf
FB		 461/* save the register window 'cwp1' */
462static inline void save_window_offset(CPUSPARCState *env, int cwp1)
060366c5 463{
2623cbaf 464 unsigned int i;
53a5960a 465 target_ulong sp_ptr;
060366c5 466
53a5960a 467 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5
FB		 468#if defined(DEBUG_WIN)
469 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
470 (int)sp_ptr, cwp1);
471#endif
2623cbaf 472 for(i = 0; i < 16; i++) {
53a5960a
PB		 473 tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
474 sp_ptr += sizeof(target_ulong);
2623cbaf 475 }
060366c5
FB		 476}
477
478static void save_window(CPUSPARCState *env)
479{
5ef54116 480#ifndef TARGET_SPARC64
2623cbaf
FB		 481 unsigned int new_wim;
482 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
483 ((1LL << NWINDOWS) - 1);
484 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
485 env->wim = new_wim;
5ef54116
FB		 486#else
487 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
488 env->cansave++;
489 env->canrestore--;
490#endif
060366c5
FB		 491}
492
493static void restore_window(CPUSPARCState *env)
494{
495 unsigned int new_wim, i, cwp1;
53a5960a 496 target_ulong sp_ptr;
060366c5
FB		 497
498 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
499 ((1LL << NWINDOWS) - 1);
500
501 /* restore the invalid window */
502 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
53a5960a 503 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5
FB		 504#if defined(DEBUG_WIN)
505 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
506 (int)sp_ptr, cwp1);
507#endif
2623cbaf 508 for(i = 0; i < 16; i++) {
53a5960a
PB		 509 env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
510 sp_ptr += sizeof(target_ulong);
2623cbaf 511 }
060366c5 512 env->wim = new_wim;
5ef54116
FB		 513#ifdef TARGET_SPARC64
514 env->canrestore++;
515 if (env->cleanwin < NWINDOWS - 1)
516 env->cleanwin++;
517 env->cansave--;
518#endif
060366c5
FB		 519}
520
521static void flush_windows(CPUSPARCState *env)
522{
523 int offset, cwp1;
2623cbaf
FB		 524
525 offset = 1;
060366c5
FB		 526 for(;;) {
527 /* if restore would invoke restore_window(), then we can stop */
2623cbaf 528 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
060366c5
FB		 529 if (env->wim & (1 << cwp1))
530 break;
2623cbaf 531 save_window_offset(env, cwp1);
060366c5
FB		 532 offset++;
533 }
2623cbaf
FB		 534 /* set wim so that restore will reload the registers */
535 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
536 env->wim = 1 << cwp1;
537#if defined(DEBUG_WIN)
538 printf("flush_windows: nb=%d\n", offset - 1);
80a9d035 539#endif
2623cbaf 540}
060366c5 541
93ac68bc
FB		 542void cpu_loop (CPUSPARCState *env)
543{
060366c5 544 int trapnr, ret;
61ff6f58 545 target_siginfo_t info;
060366c5
FB		 546
547 while (1) {
548 trapnr = cpu_sparc_exec (env);
549
550 switch (trapnr) {
5ef54116 551#ifndef TARGET_SPARC64
060366c5
FB		 552 case 0x88:
553 case 0x90:
5ef54116
FB		 554#else
555 case 0x16d:
556#endif
060366c5
FB		 557 ret = do_syscall (env, env->gregs[1],
558 env->regwptr[0], env->regwptr[1],
559 env->regwptr[2], env->regwptr[3],
560 env->regwptr[4], env->regwptr[5]);
561 if ((unsigned int)ret >= (unsigned int)(-515)) {
27908725
FB		 562#ifdef TARGET_SPARC64
563 env->xcc |= PSR_CARRY;
564#else
060366c5 565 env->psr |= PSR_CARRY;
27908725 566#endif
060366c5
FB		 567 ret = -ret;
568 } else {
27908725
FB		 569#ifdef TARGET_SPARC64
570 env->xcc &= ~PSR_CARRY;
571#else
060366c5 572 env->psr &= ~PSR_CARRY;
27908725 573#endif
060366c5
FB		 574 }
575 env->regwptr[0] = ret;
576 /* next instruction */
577 env->pc = env->npc;
578 env->npc = env->npc + 4;
579 break;
580 case 0x83: /* flush windows */
2623cbaf 581 flush_windows(env);
060366c5
FB		 582 /* next instruction */
583 env->pc = env->npc;
584 env->npc = env->npc + 4;
585 break;
3475187d 586#ifndef TARGET_SPARC64
060366c5
FB		 587 case TT_WIN_OVF: /* window overflow */
588 save_window(env);
589 break;
590 case TT_WIN_UNF: /* window underflow */
591 restore_window(env);
592 break;
61ff6f58
FB		 593 case TT_TFAULT:
594 case TT_DFAULT:
595 {
596 info.si_signo = SIGSEGV;
597 info.si_errno = 0;
598 /* XXX: check env->error_code */
599 info.si_code = TARGET_SEGV_MAPERR;
600 info._sifields._sigfault._addr = env->mmuregs[4];
601 queue_signal(info.si_signo, &info);
602 }
603 break;
3475187d 604#else
5ef54116
FB		 605 case TT_SPILL: /* window overflow */
606 save_window(env);
607 break;
608 case TT_FILL: /* window underflow */
609 restore_window(env);
610 break;
3475187d
FB		 611 // XXX
612#endif
48dc41eb
FB		 613 case EXCP_INTERRUPT:
614 /* just indicate that signals should be handled asap */
615 break;
1fddef4b
FB		 616 case EXCP_DEBUG:
617 {
618 int sig;
619
620 sig = gdb_handlesig (env, TARGET_SIGTRAP);
621 if (sig)
622 {
623 info.si_signo = sig;
624 info.si_errno = 0;
625 info.si_code = TARGET_TRAP_BRKPT;
626 queue_signal(info.si_signo, &info);
627 }
628 }
629 break;
060366c5
FB		 630 default:
631 printf ("Unhandled trap: 0x%x\n", trapnr);
7fe48483 632 cpu_dump_state(env, stderr, fprintf, 0);
060366c5
FB		 633 exit (1);
634 }
635 process_pending_signals (env);
636 }
93ac68bc
FB		 637}
638
639#endif
640
67867308 641#ifdef TARGET_PPC
9fddaa0c
FB		 642
643static inline uint64_t cpu_ppc_get_tb (CPUState *env)
644{
645 /* TO FIX */
646 return 0;
647}
648
649uint32_t cpu_ppc_load_tbl (CPUState *env)
650{
651 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
652}
653
654uint32_t cpu_ppc_load_tbu (CPUState *env)
655{
656 return cpu_ppc_get_tb(env) >> 32;
657}
658
659static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
660{
661 /* TO FIX */
662}
663
664void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
665{
666 cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
667}
668
669void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
670{
671 cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
672}
76a66253
JM		 673
674void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value)
675__attribute__ (( alias ("cpu_ppc_store_tbu") ));
676
677uint32_t cpu_ppc601_load_rtcu (CPUState *env)
678__attribute__ (( alias ("cpu_ppc_load_tbu") ));
679
680void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value)
9fddaa0c 681{
76a66253 682 cpu_ppc_store_tbl(env, value & 0x3FFFFF80);
9fddaa0c 683}
76a66253
JM		 684
685uint32_t cpu_ppc601_load_rtcl (CPUState *env)
9fddaa0c 686{
76a66253 687 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
9fddaa0c 688}
76a66253 689
67867308
FB		 690void cpu_loop(CPUPPCState *env)
691{
67867308 692 target_siginfo_t info;
61190b14
FB		 693 int trapnr;
694 uint32_t ret;
67867308
FB		 695
696 for(;;) {
697 trapnr = cpu_ppc_exec(env);
61190b14
FB		 698 if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
699 trapnr != EXCP_TRACE) {
700 if (loglevel > 0) {
7fe48483 701 cpu_dump_state(env, logfile, fprintf, 0);
61190b14
FB		 702 }
703 }
67867308
FB		 704 switch(trapnr) {
705 case EXCP_NONE:
67867308 706 break;
61190b14
FB		 707 case EXCP_SYSCALL_USER:
708 /* system call */
709 /* WARNING:
710 * PPC ABI uses overflow flag in cr0 to signal an error
711 * in syscalls.
712 */
67867308 713#if 0
61190b14
FB		 714 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
715 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
67867308 716#endif
61190b14
FB		 717 env->crf[0] &= ~0x1;
718 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
719 env->gpr[5], env->gpr[6], env->gpr[7],
720 env->gpr[8]);
721 if (ret > (uint32_t)(-515)) {
722 env->crf[0] |= 0x1;
723 ret = -ret;
724 }
725 env->gpr[3] = ret;
726#if 0
727 printf("syscall returned 0x%08x (%d)\n", ret, ret);
728#endif
729 break;
730 case EXCP_RESET:
731 /* Should not happen ! */
732 fprintf(stderr, "RESET asked... Stop emulation\n");
733 if (loglevel)
734 fprintf(logfile, "RESET asked... Stop emulation\n");
67867308 735 abort();
61190b14
FB		 736 case EXCP_MACHINE_CHECK:
737 fprintf(stderr, "Machine check exeption... Stop emulation\n");
738 if (loglevel)
739 fprintf(logfile, "RESET asked... Stop emulation\n");
740 info.si_signo = TARGET_SIGBUS;
67867308 741 info.si_errno = 0;
61190b14
FB		 742 info.si_code = TARGET_BUS_OBJERR;
743 info._sifields._sigfault._addr = env->nip - 4;
744 queue_signal(info.si_signo, &info);
745 case EXCP_DSI:
3fc6c082
FB		 746 fprintf(stderr, "Invalid data memory access: 0x%08x\n",
747 env->spr[SPR_DAR]);
61190b14
FB		 748 if (loglevel) {
749 fprintf(logfile, "Invalid data memory access: 0x%08x\n",
3fc6c082 750 env->spr[SPR_DAR]);
61190b14 751 }
2be0071f
FB		 752 switch (env->error_code & 0xFF000000) {
753 case 0x40000000:
61190b14
FB		 754 info.si_signo = TARGET_SIGSEGV;
755 info.si_errno = 0;
756 info.si_code = TARGET_SEGV_MAPERR;
757 break;
2be0071f 758 case 0x04000000:
61190b14
FB		 759 info.si_signo = TARGET_SIGILL;
760 info.si_errno = 0;
761 info.si_code = TARGET_ILL_ILLADR;
762 break;
2be0071f 763 case 0x08000000:
61190b14
FB		 764 info.si_signo = TARGET_SIGSEGV;
765 info.si_errno = 0;
766 info.si_code = TARGET_SEGV_ACCERR;
767 break;
61190b14
FB		 768 default:
769 /* Let's send a regular segfault... */
770 fprintf(stderr, "Invalid segfault errno (%02x)\n",
771 env->error_code);
772 if (loglevel) {
773 fprintf(logfile, "Invalid segfault errno (%02x)\n",
774 env->error_code);
775 }
776 info.si_signo = TARGET_SIGSEGV;
777 info.si_errno = 0;
778 info.si_code = TARGET_SEGV_MAPERR;
779 break;
780 }
67867308
FB		 781 info._sifields._sigfault._addr = env->nip;
782 queue_signal(info.si_signo, &info);
783 break;
61190b14 784 case EXCP_ISI:
67867308 785 fprintf(stderr, "Invalid instruction fetch\n");
61190b14
FB		 786 if (loglevel)
787 fprintf(logfile, "Invalid instruction fetch\n");
2be0071f
FB		 788 switch (env->error_code & 0xFF000000) {
789 case 0x40000000:
61190b14 790 info.si_signo = TARGET_SIGSEGV;
67867308 791 info.si_errno = 0;
61190b14
FB		 792 info.si_code = TARGET_SEGV_MAPERR;
793 break;
2be0071f
FB		 794 case 0x10000000:
795 case 0x08000000:
61190b14
FB		 796 info.si_signo = TARGET_SIGSEGV;
797 info.si_errno = 0;
798 info.si_code = TARGET_SEGV_ACCERR;
799 break;
800 default:
801 /* Let's send a regular segfault... */
802 fprintf(stderr, "Invalid segfault errno (%02x)\n",
803 env->error_code);
804 if (loglevel) {
805 fprintf(logfile, "Invalid segfault errno (%02x)\n",
806 env->error_code);
807 }
808 info.si_signo = TARGET_SIGSEGV;
809 info.si_errno = 0;
810 info.si_code = TARGET_SEGV_MAPERR;
811 break;
812 }
813 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 814 queue_signal(info.si_signo, &info);
815 break;
61190b14
FB		 816 case EXCP_EXTERNAL:
817 /* Should not happen ! */
818 fprintf(stderr, "External interruption... Stop emulation\n");
819 if (loglevel)
820 fprintf(logfile, "External interruption... Stop emulation\n");
67867308 821 abort();
61190b14
FB		 822 case EXCP_ALIGN:
823 fprintf(stderr, "Invalid unaligned memory access\n");
824 if (loglevel)
825 fprintf(logfile, "Invalid unaligned memory access\n");
826 info.si_signo = TARGET_SIGBUS;
67867308 827 info.si_errno = 0;
61190b14
FB		 828 info.si_code = TARGET_BUS_ADRALN;
829 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 830 queue_signal(info.si_signo, &info);
831 break;
61190b14
FB		 832 case EXCP_PROGRAM:
833 switch (env->error_code & ~0xF) {
834 case EXCP_FP:
835 fprintf(stderr, "Program exception\n");
836 if (loglevel)
837 fprintf(logfile, "Program exception\n");
838 /* Set FX */
839 env->fpscr[7] |= 0x8;
840 /* Finally, update FEX */
841 if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
842 ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
843 env->fpscr[7] |= 0x4;
844 info.si_signo = TARGET_SIGFPE;
845 info.si_errno = 0;
846 switch (env->error_code & 0xF) {
847 case EXCP_FP_OX:
848 info.si_code = TARGET_FPE_FLTOVF;
849 break;
850 case EXCP_FP_UX:
851 info.si_code = TARGET_FPE_FLTUND;
852 break;
853 case EXCP_FP_ZX:
854 case EXCP_FP_VXZDZ:
855 info.si_code = TARGET_FPE_FLTDIV;
856 break;
857 case EXCP_FP_XX:
858 info.si_code = TARGET_FPE_FLTRES;
859 break;
860 case EXCP_FP_VXSOFT:
861 info.si_code = TARGET_FPE_FLTINV;
862 break;
863 case EXCP_FP_VXNAN:
864 case EXCP_FP_VXISI:
865 case EXCP_FP_VXIDI:
866 case EXCP_FP_VXIMZ:
867 case EXCP_FP_VXVC:
868 case EXCP_FP_VXSQRT:
869 case EXCP_FP_VXCVI:
870 info.si_code = TARGET_FPE_FLTSUB;
871 break;
872 default:
873 fprintf(stderr, "Unknown floating point exception "
874 "(%02x)\n", env->error_code);
875 if (loglevel) {
876 fprintf(logfile, "Unknown floating point exception "
877 "(%02x)\n", env->error_code & 0xF);
878 }
879 }
880 break;
67867308 881 case EXCP_INVAL:
61190b14
FB		 882 fprintf(stderr, "Invalid instruction\n");
883 if (loglevel)
884 fprintf(logfile, "Invalid instruction\n");
885 info.si_signo = TARGET_SIGILL;
886 info.si_errno = 0;
887 switch (env->error_code & 0xF) {
888 case EXCP_INVAL_INVAL:
889 info.si_code = TARGET_ILL_ILLOPC;
890 break;
891 case EXCP_INVAL_LSWX:
67867308 892 info.si_code = TARGET_ILL_ILLOPN;
61190b14
FB		 893 break;
894 case EXCP_INVAL_SPR:
895 info.si_code = TARGET_ILL_PRVREG;
896 break;
897 case EXCP_INVAL_FP:
898 info.si_code = TARGET_ILL_COPROC;
899 break;
900 default:
901 fprintf(stderr, "Unknown invalid operation (%02x)\n",
902 env->error_code & 0xF);
903 if (loglevel) {
904 fprintf(logfile, "Unknown invalid operation (%02x)\n",
905 env->error_code & 0xF);
906 }
907 info.si_code = TARGET_ILL_ILLADR;
908 break;
909 }
910 break;
911 case EXCP_PRIV:
912 fprintf(stderr, "Privilege violation\n");
913 if (loglevel)
914 fprintf(logfile, "Privilege violation\n");
915 info.si_signo = TARGET_SIGILL;
916 info.si_errno = 0;
917 switch (env->error_code & 0xF) {
918 case EXCP_PRIV_OPC:
919 info.si_code = TARGET_ILL_PRVOPC;
920 break;
921 case EXCP_PRIV_REG:
922 info.si_code = TARGET_ILL_PRVREG;
923 break;
924 default:
925 fprintf(stderr, "Unknown privilege violation (%02x)\n",
926 env->error_code & 0xF);
927 info.si_code = TARGET_ILL_PRVOPC;
928 break;
929 }
930 break;
931 case EXCP_TRAP:
932 fprintf(stderr, "Tried to call a TRAP\n");
933 if (loglevel)
934 fprintf(logfile, "Tried to call a TRAP\n");
935 abort();
936 default:
937 /* Should not happen ! */
938 fprintf(stderr, "Unknown program exception (%02x)\n",
939 env->error_code);
940 if (loglevel) {
941 fprintf(logfile, "Unknwon program exception (%02x)\n",
942 env->error_code);
943 }
944 abort();
945 }
946 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 947 queue_signal(info.si_signo, &info);
948 break;
61190b14
FB		 949 case EXCP_NO_FP:
950 fprintf(stderr, "No floating point allowed\n");
951 if (loglevel)
952 fprintf(logfile, "No floating point allowed\n");
953 info.si_signo = TARGET_SIGILL;
67867308 954 info.si_errno = 0;
61190b14
FB		 955 info.si_code = TARGET_ILL_COPROC;
956 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 957 queue_signal(info.si_signo, &info);
958 break;
61190b14
FB		 959 case EXCP_DECR:
960 /* Should not happen ! */
961 fprintf(stderr, "Decrementer exception\n");
962 if (loglevel)
963 fprintf(logfile, "Decrementer exception\n");
964 abort();
61190b14
FB		 965 case EXCP_TRACE:
966 /* Do nothing: we use this to trace execution */
67867308 967 break;
61190b14
FB		 968 case EXCP_FP_ASSIST:
969 /* Should not happen ! */
970 fprintf(stderr, "Floating point assist exception\n");
971 if (loglevel)
972 fprintf(logfile, "Floating point assist exception\n");
973 abort();
974 case EXCP_MTMSR:
975 /* We reloaded the msr, just go on */
9fddaa0c 976 if (msr_pr == 0) {
61190b14
FB		 977 fprintf(stderr, "Tried to go into supervisor mode !\n");
978 if (loglevel)
979 fprintf(logfile, "Tried to go into supervisor mode !\n");
980 abort();
67867308 981 }
61190b14
FB		 982 break;
983 case EXCP_BRANCH:
984 /* We stopped because of a jump... */
985 break;
61190b14
FB		 986 case EXCP_INTERRUPT:
987 /* Don't know why this should ever happen... */
988 break;
1fddef4b
FB		 989 case EXCP_DEBUG:
990 {
991 int sig;
992
993 sig = gdb_handlesig (env, TARGET_SIGTRAP);
994 if (sig)
995 {
996 info.si_signo = sig;
997 info.si_errno = 0;
998 info.si_code = TARGET_TRAP_BRKPT;
999 queue_signal(info.si_signo, &info);
1000 }
1001 }
1002 break;
67867308 1003 default:
67867308
FB		 1004 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1005 trapnr);
61190b14
FB		 1006 if (loglevel) {
1007 fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
1008 "0x%02x - aborting\n", trapnr, env->error_code);
1009 }
67867308
FB		 1010 abort();
1011 }
1012 process_pending_signals(env);
1013 }
1014}
1015#endif
1016
048f6b4d
FB		 1017#ifdef TARGET_MIPS
1018
1019#define MIPS_SYS(name, args) args,
1020
1021static const uint8_t mips_syscall_args[] = {
1022 MIPS_SYS(sys_syscall , 0) /* 4000 */
1023 MIPS_SYS(sys_exit , 1)
1024 MIPS_SYS(sys_fork , 0)
1025 MIPS_SYS(sys_read , 3)
1026 MIPS_SYS(sys_write , 3)
1027 MIPS_SYS(sys_open , 3) /* 4005 */
1028 MIPS_SYS(sys_close , 1)
1029 MIPS_SYS(sys_waitpid , 3)
1030 MIPS_SYS(sys_creat , 2)
1031 MIPS_SYS(sys_link , 2)
1032 MIPS_SYS(sys_unlink , 1) /* 4010 */
1033 MIPS_SYS(sys_execve , 0)
1034 MIPS_SYS(sys_chdir , 1)
1035 MIPS_SYS(sys_time , 1)
1036 MIPS_SYS(sys_mknod , 3)
1037 MIPS_SYS(sys_chmod , 2) /* 4015 */
1038 MIPS_SYS(sys_lchown , 3)
1039 MIPS_SYS(sys_ni_syscall , 0)
1040 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1041 MIPS_SYS(sys_lseek , 3)
1042 MIPS_SYS(sys_getpid , 0) /* 4020 */
1043 MIPS_SYS(sys_mount , 5)
1044 MIPS_SYS(sys_oldumount , 1)
1045 MIPS_SYS(sys_setuid , 1)
1046 MIPS_SYS(sys_getuid , 0)
1047 MIPS_SYS(sys_stime , 1) /* 4025 */
1048 MIPS_SYS(sys_ptrace , 4)
1049 MIPS_SYS(sys_alarm , 1)
1050 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1051 MIPS_SYS(sys_pause , 0)
1052 MIPS_SYS(sys_utime , 2) /* 4030 */
1053 MIPS_SYS(sys_ni_syscall , 0)
1054 MIPS_SYS(sys_ni_syscall , 0)
1055 MIPS_SYS(sys_access , 2)
1056 MIPS_SYS(sys_nice , 1)
1057 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1058 MIPS_SYS(sys_sync , 0)
1059 MIPS_SYS(sys_kill , 2)
1060 MIPS_SYS(sys_rename , 2)
1061 MIPS_SYS(sys_mkdir , 2)
1062 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1063 MIPS_SYS(sys_dup , 1)
1064 MIPS_SYS(sys_pipe , 0)
1065 MIPS_SYS(sys_times , 1)
1066 MIPS_SYS(sys_ni_syscall , 0)
1067 MIPS_SYS(sys_brk , 1) /* 4045 */
1068 MIPS_SYS(sys_setgid , 1)
1069 MIPS_SYS(sys_getgid , 0)
1070 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1071 MIPS_SYS(sys_geteuid , 0)
1072 MIPS_SYS(sys_getegid , 0) /* 4050 */
1073 MIPS_SYS(sys_acct , 0)
1074 MIPS_SYS(sys_umount , 2)
1075 MIPS_SYS(sys_ni_syscall , 0)
1076 MIPS_SYS(sys_ioctl , 3)
1077 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1078 MIPS_SYS(sys_ni_syscall , 2)
1079 MIPS_SYS(sys_setpgid , 2)
1080 MIPS_SYS(sys_ni_syscall , 0)
1081 MIPS_SYS(sys_olduname , 1)
1082 MIPS_SYS(sys_umask , 1) /* 4060 */
1083 MIPS_SYS(sys_chroot , 1)
1084 MIPS_SYS(sys_ustat , 2)
1085 MIPS_SYS(sys_dup2 , 2)
1086 MIPS_SYS(sys_getppid , 0)
1087 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1088 MIPS_SYS(sys_setsid , 0)
1089 MIPS_SYS(sys_sigaction , 3)
1090 MIPS_SYS(sys_sgetmask , 0)
1091 MIPS_SYS(sys_ssetmask , 1)
1092 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1093 MIPS_SYS(sys_setregid , 2)
1094 MIPS_SYS(sys_sigsuspend , 0)
1095 MIPS_SYS(sys_sigpending , 1)
1096 MIPS_SYS(sys_sethostname , 2)
1097 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1098 MIPS_SYS(sys_getrlimit , 2)
1099 MIPS_SYS(sys_getrusage , 2)
1100 MIPS_SYS(sys_gettimeofday, 2)
1101 MIPS_SYS(sys_settimeofday, 2)
1102 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1103 MIPS_SYS(sys_setgroups , 2)
1104 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1105 MIPS_SYS(sys_symlink , 2)
1106 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1107 MIPS_SYS(sys_readlink , 3) /* 4085 */
1108 MIPS_SYS(sys_uselib , 1)
1109 MIPS_SYS(sys_swapon , 2)
1110 MIPS_SYS(sys_reboot , 3)
1111 MIPS_SYS(old_readdir , 3)
1112 MIPS_SYS(old_mmap , 6) /* 4090 */
1113 MIPS_SYS(sys_munmap , 2)
1114 MIPS_SYS(sys_truncate , 2)
1115 MIPS_SYS(sys_ftruncate , 2)
1116 MIPS_SYS(sys_fchmod , 2)
1117 MIPS_SYS(sys_fchown , 3) /* 4095 */
1118 MIPS_SYS(sys_getpriority , 2)
1119 MIPS_SYS(sys_setpriority , 3)
1120 MIPS_SYS(sys_ni_syscall , 0)
1121 MIPS_SYS(sys_statfs , 2)
1122 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1123 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1124 MIPS_SYS(sys_socketcall , 2)
1125 MIPS_SYS(sys_syslog , 3)
1126 MIPS_SYS(sys_setitimer , 3)
1127 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1128 MIPS_SYS(sys_newstat , 2)
1129 MIPS_SYS(sys_newlstat , 2)
1130 MIPS_SYS(sys_newfstat , 2)
1131 MIPS_SYS(sys_uname , 1)
1132 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1133 MIPS_SYS(sys_vhangup , 0)
1134 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1135 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1136 MIPS_SYS(sys_wait4 , 4)
1137 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1138 MIPS_SYS(sys_sysinfo , 1)
1139 MIPS_SYS(sys_ipc , 6)
1140 MIPS_SYS(sys_fsync , 1)
1141 MIPS_SYS(sys_sigreturn , 0)
1142 MIPS_SYS(sys_clone , 0) /* 4120 */
1143 MIPS_SYS(sys_setdomainname, 2)
1144 MIPS_SYS(sys_newuname , 1)
1145 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1146 MIPS_SYS(sys_adjtimex , 1)
1147 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1148 MIPS_SYS(sys_sigprocmask , 3)
1149 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1150 MIPS_SYS(sys_init_module , 5)
1151 MIPS_SYS(sys_delete_module, 1)
1152 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1153 MIPS_SYS(sys_quotactl , 0)
1154 MIPS_SYS(sys_getpgid , 1)
1155 MIPS_SYS(sys_fchdir , 1)
1156 MIPS_SYS(sys_bdflush , 2)
1157 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1158 MIPS_SYS(sys_personality , 1)
1159 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1160 MIPS_SYS(sys_setfsuid , 1)
1161 MIPS_SYS(sys_setfsgid , 1)
1162 MIPS_SYS(sys_llseek , 5) /* 4140 */
1163 MIPS_SYS(sys_getdents , 3)
1164 MIPS_SYS(sys_select , 5)
1165 MIPS_SYS(sys_flock , 2)
1166 MIPS_SYS(sys_msync , 3)
1167 MIPS_SYS(sys_readv , 3) /* 4145 */
1168 MIPS_SYS(sys_writev , 3)
1169 MIPS_SYS(sys_cacheflush , 3)
1170 MIPS_SYS(sys_cachectl , 3)
1171 MIPS_SYS(sys_sysmips , 4)
1172 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1173 MIPS_SYS(sys_getsid , 1)
1174 MIPS_SYS(sys_fdatasync , 0)
1175 MIPS_SYS(sys_sysctl , 1)
1176 MIPS_SYS(sys_mlock , 2)
1177 MIPS_SYS(sys_munlock , 2) /* 4155 */
1178 MIPS_SYS(sys_mlockall , 1)
1179 MIPS_SYS(sys_munlockall , 0)
1180 MIPS_SYS(sys_sched_setparam, 2)
1181 MIPS_SYS(sys_sched_getparam, 2)
1182 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1183 MIPS_SYS(sys_sched_getscheduler, 1)
1184 MIPS_SYS(sys_sched_yield , 0)
1185 MIPS_SYS(sys_sched_get_priority_max, 1)
1186 MIPS_SYS(sys_sched_get_priority_min, 1)
1187 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1188 MIPS_SYS(sys_nanosleep, 2)
1189 MIPS_SYS(sys_mremap , 4)
1190 MIPS_SYS(sys_accept , 3)
1191 MIPS_SYS(sys_bind , 3)
1192 MIPS_SYS(sys_connect , 3) /* 4170 */
1193 MIPS_SYS(sys_getpeername , 3)
1194 MIPS_SYS(sys_getsockname , 3)
1195 MIPS_SYS(sys_getsockopt , 5)
1196 MIPS_SYS(sys_listen , 2)
1197 MIPS_SYS(sys_recv , 4) /* 4175 */
1198 MIPS_SYS(sys_recvfrom , 6)
1199 MIPS_SYS(sys_recvmsg , 3)
1200 MIPS_SYS(sys_send , 4)
1201 MIPS_SYS(sys_sendmsg , 3)
1202 MIPS_SYS(sys_sendto , 6) /* 4180 */
1203 MIPS_SYS(sys_setsockopt , 5)
1204 MIPS_SYS(sys_shutdown , 2)
1205 MIPS_SYS(sys_socket , 3)
1206 MIPS_SYS(sys_socketpair , 4)
1207 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1208 MIPS_SYS(sys_getresuid , 3)
1209 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1210 MIPS_SYS(sys_poll , 3)
1211 MIPS_SYS(sys_nfsservctl , 3)
1212 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1213 MIPS_SYS(sys_getresgid , 3)
1214 MIPS_SYS(sys_prctl , 5)
1215 MIPS_SYS(sys_rt_sigreturn, 0)
1216 MIPS_SYS(sys_rt_sigaction, 4)
1217 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1218 MIPS_SYS(sys_rt_sigpending, 2)
1219 MIPS_SYS(sys_rt_sigtimedwait, 4)
1220 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1221 MIPS_SYS(sys_rt_sigsuspend, 0)
1222 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1223 MIPS_SYS(sys_pwrite64 , 6)
1224 MIPS_SYS(sys_chown , 3)
1225 MIPS_SYS(sys_getcwd , 2)
1226 MIPS_SYS(sys_capget , 2)
1227 MIPS_SYS(sys_capset , 2) /* 4205 */
1228 MIPS_SYS(sys_sigaltstack , 0)
1229 MIPS_SYS(sys_sendfile , 4)
1230 MIPS_SYS(sys_ni_syscall , 0)
1231 MIPS_SYS(sys_ni_syscall , 0)
1232 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1233 MIPS_SYS(sys_truncate64 , 4)
1234 MIPS_SYS(sys_ftruncate64 , 4)
1235 MIPS_SYS(sys_stat64 , 2)
1236 MIPS_SYS(sys_lstat64 , 2)
1237 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1238 MIPS_SYS(sys_pivot_root , 2)
1239 MIPS_SYS(sys_mincore , 3)
1240 MIPS_SYS(sys_madvise , 3)
1241 MIPS_SYS(sys_getdents64 , 3)
1242 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1243 MIPS_SYS(sys_ni_syscall , 0)
1244 MIPS_SYS(sys_gettid , 0)
1245 MIPS_SYS(sys_readahead , 5)
1246 MIPS_SYS(sys_setxattr , 5)
1247 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1248 MIPS_SYS(sys_fsetxattr , 5)
1249 MIPS_SYS(sys_getxattr , 4)
1250 MIPS_SYS(sys_lgetxattr , 4)
1251 MIPS_SYS(sys_fgetxattr , 4)
1252 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1253 MIPS_SYS(sys_llistxattr , 3)
1254 MIPS_SYS(sys_flistxattr , 3)
1255 MIPS_SYS(sys_removexattr , 2)
1256 MIPS_SYS(sys_lremovexattr, 2)
1257 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1258 MIPS_SYS(sys_tkill , 2)
1259 MIPS_SYS(sys_sendfile64 , 5)
1260 MIPS_SYS(sys_futex , 2)
1261 MIPS_SYS(sys_sched_setaffinity, 3)
1262 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1263 MIPS_SYS(sys_io_setup , 2)
1264 MIPS_SYS(sys_io_destroy , 1)
1265 MIPS_SYS(sys_io_getevents, 5)
1266 MIPS_SYS(sys_io_submit , 3)
1267 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1268 MIPS_SYS(sys_exit_group , 1)
1269 MIPS_SYS(sys_lookup_dcookie, 3)
1270 MIPS_SYS(sys_epoll_create, 1)
1271 MIPS_SYS(sys_epoll_ctl , 4)
1272 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1273 MIPS_SYS(sys_remap_file_pages, 5)
1274 MIPS_SYS(sys_set_tid_address, 1)
1275 MIPS_SYS(sys_restart_syscall, 0)
1276 MIPS_SYS(sys_fadvise64_64, 7)
1277 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1278 MIPS_SYS(sys_fstatfs64 , 2)
1279 MIPS_SYS(sys_timer_create, 3)
1280 MIPS_SYS(sys_timer_settime, 4)
1281 MIPS_SYS(sys_timer_gettime, 2)
1282 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1283 MIPS_SYS(sys_timer_delete, 1)
1284 MIPS_SYS(sys_clock_settime, 2)
1285 MIPS_SYS(sys_clock_gettime, 2)
1286 MIPS_SYS(sys_clock_getres, 2)
1287 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1288 MIPS_SYS(sys_tgkill , 3)
1289 MIPS_SYS(sys_utimes , 2)
1290 MIPS_SYS(sys_mbind , 4)
1291 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1292 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1293 MIPS_SYS(sys_mq_open , 4)
1294 MIPS_SYS(sys_mq_unlink , 1)
1295 MIPS_SYS(sys_mq_timedsend, 5)
1296 MIPS_SYS(sys_mq_timedreceive, 5)
1297 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1298 MIPS_SYS(sys_mq_getsetattr, 3)
1299 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1300 MIPS_SYS(sys_waitid , 4)
1301 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1302 MIPS_SYS(sys_add_key , 5)
1303 MIPS_SYS(sys_request_key , 4)
1304 MIPS_SYS(sys_keyctl , 5)
6f5b89a0 1305 MIPS_SYS(sys_set_thread_area, 1)
048f6b4d
FB		 1306};
1307
1308#undef MIPS_SYS
1309
1310void cpu_loop(CPUMIPSState *env)
1311{
1312 target_siginfo_t info;
1313 int trapnr, ret, nb_args;
1314 unsigned int syscall_num;
1315 target_ulong arg5, arg6, sp_reg;
1316
1317 for(;;) {
1318 trapnr = cpu_mips_exec(env);
1319 switch(trapnr) {
1320 case EXCP_SYSCALL:
1321 {
1322 syscall_num = env->gpr[2] - 4000;
106ec879 1323 env->PC += 4;
048f6b4d
FB		 1324 if (syscall_num >= sizeof(mips_syscall_args)) {
1325 ret = -ENOSYS;
1326 } else {
1327 nb_args = mips_syscall_args[syscall_num];
1328 if (nb_args >= 5) {
1329 sp_reg = env->gpr[29];
1330 /* these arguments are taken from the stack */
53a5960a 1331 arg5 = tgetl(sp_reg + 16);
048f6b4d 1332 if (nb_args >= 6) {
53a5960a 1333 arg6 = tgetl(sp_reg + 20);
048f6b4d
FB		 1334 } else {
1335 arg6 = 0;
1336 }
1337 } else {
1338 arg5 = 0;
1339 arg6 = 0;
1340 }
1341 ret = do_syscall(env,
1342 env->gpr[2],
1343 env->gpr[4],
1344 env->gpr[5],
1345 env->gpr[6],
1346 env->gpr[7],
1347 arg5,
1348 arg6);
1349 }
048f6b4d
FB		 1350 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1351 env->gpr[7] = 1; /* error flag */
1352 ret = -ret;
1353 env->gpr[0] = ret;
1354 env->gpr[2] = ret;
1355 } else {
1356 env->gpr[7] = 0; /* error flag */
1357 env->gpr[2] = ret;
1358 }
1359 }
1360 break;
ca7c2b1b
TS		 1361 case EXCP_TLBL:
1362 case EXCP_TLBS:
6900e84b 1363 case EXCP_CpU:
048f6b4d 1364 case EXCP_RI:
bc1ad2de
FB		 1365 info.si_signo = TARGET_SIGILL;
1366 info.si_errno = 0;
1367 info.si_code = 0;
1368 queue_signal(info.si_signo, &info);
048f6b4d 1369 break;
106ec879
FB		 1370 case EXCP_INTERRUPT:
1371 /* just indicate that signals should be handled asap */
1372 break;
d08b2a28
PB		 1373 case EXCP_DEBUG:
1374 {
1375 int sig;
1376
1377 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1378 if (sig)
1379 {
1380 info.si_signo = sig;
1381 info.si_errno = 0;
1382 info.si_code = TARGET_TRAP_BRKPT;
1383 queue_signal(info.si_signo, &info);
1384 }
1385 }
1386 break;
048f6b4d
FB		 1387 default:
1388 // error:
1389 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1390 trapnr);
1391 cpu_dump_state(env, stderr, fprintf, 0);
1392 abort();
1393 }
1394 process_pending_signals(env);
1395 }
1396}
1397#endif
1398
fdf9b3e8
FB		 1399#ifdef TARGET_SH4
1400void cpu_loop (CPUState *env)
1401{
1402 int trapnr, ret;
355fb23d 1403 target_siginfo_t info;
fdf9b3e8
FB		 1404
1405 while (1) {
1406 trapnr = cpu_sh4_exec (env);
1407
1408 switch (trapnr) {
1409 case 0x160:
1410 ret = do_syscall(env,
9c2a9ea1
PB		 1411 env->gregs[3],
1412 env->gregs[4],
1413 env->gregs[5],
1414 env->gregs[6],
1415 env->gregs[7],
1416 env->gregs[0],
fdf9b3e8 1417 0);
9c2a9ea1 1418 env->gregs[0] = ret;
fdf9b3e8
FB		 1419 env->pc += 2;
1420 break;
355fb23d
PB		 1421 case EXCP_DEBUG:
1422 {
1423 int sig;
1424
1425 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1426 if (sig)
1427 {
1428 info.si_signo = sig;
1429 info.si_errno = 0;
1430 info.si_code = TARGET_TRAP_BRKPT;
1431 queue_signal(info.si_signo, &info);
1432 }
1433 }
1434 break;
fdf9b3e8
FB		 1435 default:
1436 printf ("Unhandled trap: 0x%x\n", trapnr);
1437 cpu_dump_state(env, stderr, fprintf, 0);
1438 exit (1);
1439 }
1440 process_pending_signals (env);
1441 }
1442}
1443#endif
1444
e6e5906b
PB		 1445#ifdef TARGET_M68K
1446
1447void cpu_loop(CPUM68KState *env)
1448{
1449 int trapnr;
1450 unsigned int n;
1451 target_siginfo_t info;
1452 TaskState *ts = env->opaque;
1453
1454 for(;;) {
1455 trapnr = cpu_m68k_exec(env);
1456 switch(trapnr) {
1457 case EXCP_ILLEGAL:
1458 {
1459 if (ts->sim_syscalls) {
1460 uint16_t nr;
1461 nr = lduw(env->pc + 2);
1462 env->pc += 4;
1463 do_m68k_simcall(env, nr);
1464 } else {
1465 goto do_sigill;
1466 }
1467 }
1468 break;
1469 case EXCP_HALTED:
1470 /* Semihosing syscall. */
1471 env->pc += 2;
1472 do_m68k_semihosting(env, env->dregs[0]);
1473 break;
1474 case EXCP_LINEA:
1475 case EXCP_LINEF:
1476 case EXCP_UNSUPPORTED:
1477 do_sigill:
1478 info.si_signo = SIGILL;
1479 info.si_errno = 0;
1480 info.si_code = TARGET_ILL_ILLOPN;
1481 info._sifields._sigfault._addr = env->pc;
1482 queue_signal(info.si_signo, &info);
1483 break;
1484 case EXCP_TRAP0:
1485 {
1486 ts->sim_syscalls = 0;
1487 n = env->dregs[0];
1488 env->pc += 2;
1489 env->dregs[0] = do_syscall(env,
1490 n,
1491 env->dregs[1],
1492 env->dregs[2],
1493 env->dregs[3],
1494 env->dregs[4],
1495 env->dregs[5],
1496 env->dregs[6]);
1497 }
1498 break;
1499 case EXCP_INTERRUPT:
1500 /* just indicate that signals should be handled asap */
1501 break;
1502 case EXCP_ACCESS:
1503 {
1504 info.si_signo = SIGSEGV;
1505 info.si_errno = 0;
1506 /* XXX: check env->error_code */
1507 info.si_code = TARGET_SEGV_MAPERR;
1508 info._sifields._sigfault._addr = env->mmu.ar;
1509 queue_signal(info.si_signo, &info);
1510 }
1511 break;
1512 case EXCP_DEBUG:
1513 {
1514 int sig;
1515
1516 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1517 if (sig)
1518 {
1519 info.si_signo = sig;
1520 info.si_errno = 0;
1521 info.si_code = TARGET_TRAP_BRKPT;
1522 queue_signal(info.si_signo, &info);
1523 }
1524 }
1525 break;
1526 default:
1527 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1528 trapnr);
1529 cpu_dump_state(env, stderr, fprintf, 0);
1530 abort();
1531 }
1532 process_pending_signals(env);
1533 }
1534}
1535#endif /* TARGET_M68K */
1536
31e31b8a
FB		 1537void usage(void)
1538{
84f2e8ef 1539 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
1fddef4b 1540 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n"
b346ff46 1541 "Linux CPU emulator (compiled for %s emulation)\n"
d691f669 1542 "\n"
54936004 1543 "-h print this help\n"
74c33bed 1544 "-g port wait gdb connection to port\n"
b346ff46
FB		 1545 "-L path set the elf interpreter prefix (default=%s)\n"
1546 "-s size set the stack size in bytes (default=%ld)\n"
54936004
FB		 1547 "\n"
1548 "debug options:\n"
c6981055
FB		 1549#ifdef USE_CODE_COPY
1550 "-no-code-copy disable code copy acceleration\n"
1551#endif
6f1f31c0 1552 "-d options activate log (logfile=%s)\n"
54936004 1553 "-p pagesize set the host page size to 'pagesize'\n",
b346ff46 1554 TARGET_ARCH,
d691f669 1555 interp_prefix,
54936004
FB		 1556 x86_stack_size,
1557 DEBUG_LOGFILE);
74cd30b8 1558 _exit(1);
31e31b8a
FB		 1559}
1560
9de5e440 1561/* XXX: currently only used for async signals (see signal.c) */
b346ff46 1562CPUState *global_env;
59faf6d6 1563
851e67a1
FB		 1564/* used to free thread contexts */
1565TaskState *first_task_state;
9de5e440 1566
31e31b8a
FB		 1567int main(int argc, char **argv)
1568{
1569 const char *filename;
01ffc75b 1570 struct target_pt_regs regs1, *regs = &regs1;
31e31b8a 1571 struct image_info info1, *info = &info1;
851e67a1 1572 TaskState ts1, *ts = &ts1;
b346ff46 1573 CPUState *env;
586314f2 1574 int optind;
d691f669 1575 const char *r;
74c33bed 1576 int gdbstub_port = 0;
d691f669 1577
31e31b8a
FB		 1578 if (argc <= 1)
1579 usage();
f801f97e 1580
cc38b844
FB		 1581 /* init debug */
1582 cpu_set_log_filename(DEBUG_LOGFILE);
1583
586314f2 1584 optind = 1;
d691f669
FB		 1585 for(;;) {
1586 if (optind >= argc)
1587 break;
1588 r = argv[optind];
1589 if (r[0] != '-')
1590 break;
586314f2 1591 optind++;
d691f669
FB		 1592 r++;
1593 if (!strcmp(r, "-")) {
1594 break;
1595 } else if (!strcmp(r, "d")) {
e19e89a5
FB		 1596 int mask;
1597 CPULogItem *item;
6f1f31c0
FB		 1598
1599 if (optind >= argc)
1600 break;
e19e89a5 1601
6f1f31c0
FB		 1602 r = argv[optind++];
1603 mask = cpu_str_to_log_mask(r);
e19e89a5
FB		 1604 if (!mask) {
1605 printf("Log items (comma separated):\n");
1606 for(item = cpu_log_items; item->mask != 0; item++) {
1607 printf("%-10s %s\n", item->name, item->help);
1608 }
1609 exit(1);
1610 }
1611 cpu_set_log(mask);
d691f669
FB		 1612 } else if (!strcmp(r, "s")) {
1613 r = argv[optind++];
1614 x86_stack_size = strtol(r, (char **)&r, 0);
1615 if (x86_stack_size <= 0)
1616 usage();
1617 if (*r == 'M')
1618 x86_stack_size *= 1024 * 1024;
1619 else if (*r == 'k' || *r == 'K')
1620 x86_stack_size *= 1024;
1621 } else if (!strcmp(r, "L")) {
1622 interp_prefix = argv[optind++];
54936004 1623 } else if (!strcmp(r, "p")) {
83fb7adf
FB		 1624 qemu_host_page_size = atoi(argv[optind++]);
1625 if (qemu_host_page_size == 0 ||
1626 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
54936004
FB		 1627 fprintf(stderr, "page size must be a power of two\n");
1628 exit(1);
1629 }
1fddef4b 1630 } else if (!strcmp(r, "g")) {
74c33bed 1631 gdbstub_port = atoi(argv[optind++]);
c5937220
PB		 1632 } else if (!strcmp(r, "r")) {
1633 qemu_uname_release = argv[optind++];
c6981055
FB		 1634 } else
1635#ifdef USE_CODE_COPY
1636 if (!strcmp(r, "no-code-copy")) {
1637 code_copy_enabled = 0;
1638 } else
1639#endif
1640 {
d691f669
FB		 1641 usage();
1642 }
586314f2 1643 }
d691f669
FB		 1644 if (optind >= argc)
1645 usage();
586314f2
FB		 1646 filename = argv[optind];
1647
31e31b8a 1648 /* Zero out regs */
01ffc75b 1649 memset(regs, 0, sizeof(struct target_pt_regs));
31e31b8a
FB		 1650
1651 /* Zero out image_info */
1652 memset(info, 0, sizeof(struct image_info));
1653
74cd30b8
FB		 1654 /* Scan interp_prefix dir for replacement files. */
1655 init_paths(interp_prefix);
1656
83fb7adf
FB		 1657 /* NOTE: we need to init the CPU at this stage to get
1658 qemu_host_page_size */
b346ff46 1659 env = cpu_init();
15338fd7 1660 global_env = env;
92ccca6a 1661
e5fe0c52 1662 if (loader_exec(filename, argv+optind, environ, regs, info) != 0) {
31e31b8a 1663 printf("Error loading %s\n", filename);
74cd30b8 1664 _exit(1);
31e31b8a
FB		 1665 }
1666
4b74fe1f 1667 if (loglevel) {
54936004
FB		 1668 page_dump(logfile);
1669
4b74fe1f
FB		 1670 fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
1671 fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
1672 fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
e5fe0c52 1673 fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
4b74fe1f
FB		 1674 fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
1675 fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
1676 fprintf(logfile, "brk 0x%08lx\n" , info->brk);
b346ff46 1677 fprintf(logfile, "entry 0x%08lx\n" , info->entry);
4b74fe1f 1678 }
31e31b8a 1679
53a5960a 1680 target_set_brk(info->brk);
31e31b8a 1681 syscall_init();
66fb9763 1682 signal_init();
31e31b8a 1683
851e67a1
FB		 1684 /* build Task State */
1685 memset(ts, 0, sizeof(TaskState));
1686 env->opaque = ts;
1687 ts->used = 1;
978efd6a 1688 ts->info = info;
59faf6d6 1689 env->user_mode_only = 1;
851e67a1 1690
b346ff46 1691#if defined(TARGET_I386)
2e255c6b
FB		 1692 cpu_x86_set_cpl(env, 3);
1693
3802ce26 1694 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1bde465e
FB		 1695 env->hflags |= HF_PE_MASK;
1696 if (env->cpuid_features & CPUID_SSE) {
1697 env->cr[4] |= CR4_OSFXSR_MASK;
1698 env->hflags |= HF_OSFXSR_MASK;
1699 }
1700
415e561f
FB		 1701 /* flags setup : we activate the IRQs by default as in user mode */
1702 env->eflags |= IF_MASK;
1703
6dbad63e 1704 /* linux register setup */
0ecfa993
FB		 1705 env->regs[R_EAX] = regs->eax;
1706 env->regs[R_EBX] = regs->ebx;
1707 env->regs[R_ECX] = regs->ecx;
1708 env->regs[R_EDX] = regs->edx;
1709 env->regs[R_ESI] = regs->esi;
1710 env->regs[R_EDI] = regs->edi;
1711 env->regs[R_EBP] = regs->ebp;
1712 env->regs[R_ESP] = regs->esp;
dab2ed99 1713 env->eip = regs->eip;
31e31b8a 1714
f4beb510 1715 /* linux interrupt setup */
53a5960a 1716 env->idt.base = h2g(idt_table);
f4beb510
FB		 1717 env->idt.limit = sizeof(idt_table) - 1;
1718 set_idt(0, 0);
1719 set_idt(1, 0);
1720 set_idt(2, 0);
1721 set_idt(3, 3);
1722 set_idt(4, 3);
1723 set_idt(5, 3);
1724 set_idt(6, 0);
1725 set_idt(7, 0);
1726 set_idt(8, 0);
1727 set_idt(9, 0);
1728 set_idt(10, 0);
1729 set_idt(11, 0);
1730 set_idt(12, 0);
1731 set_idt(13, 0);
1732 set_idt(14, 0);
1733 set_idt(15, 0);
1734 set_idt(16, 0);
1735 set_idt(17, 0);
1736 set_idt(18, 0);
1737 set_idt(19, 0);
1738 set_idt(0x80, 3);
1739
6dbad63e 1740 /* linux segment setup */
53a5960a 1741 env->gdt.base = h2g(gdt_table);
6dbad63e 1742 env->gdt.limit = sizeof(gdt_table) - 1;
f4beb510
FB		 1743 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
1744 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1745 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
1746 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
1747 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1748 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
6dbad63e
FB		 1749 cpu_x86_load_seg(env, R_CS, __USER_CS);
1750 cpu_x86_load_seg(env, R_DS, __USER_DS);
1751 cpu_x86_load_seg(env, R_ES, __USER_DS);
1752 cpu_x86_load_seg(env, R_SS, __USER_DS);
1753 cpu_x86_load_seg(env, R_FS, __USER_DS);
1754 cpu_x86_load_seg(env, R_GS, __USER_DS);
92ccca6a 1755
b346ff46
FB		 1756#elif defined(TARGET_ARM)
1757 {
1758 int i;
40f137e1 1759 cpu_arm_set_model(env, ARM_CPUID_ARM1026);
b5ff1b31 1760 cpsr_write(env, regs->uregs[16], 0xffffffff);
b346ff46
FB		 1761 for(i = 0; i < 16; i++) {
1762 env->regs[i] = regs->uregs[i];
1763 }
a4f81979
FB		 1764 ts->stack_base = info->start_stack;
1765 ts->heap_base = info->brk;
1766 /* This will be filled in on the first SYS_HEAPINFO call. */
1767 ts->heap_limit = 0;
b346ff46 1768 }
93ac68bc 1769#elif defined(TARGET_SPARC)
060366c5
FB		 1770 {
1771 int i;
1772 env->pc = regs->pc;
1773 env->npc = regs->npc;
1774 env->y = regs->y;
1775 for(i = 0; i < 8; i++)
1776 env->gregs[i] = regs->u_regs[i];
1777 for(i = 0; i < 8; i++)
1778 env->regwptr[i] = regs->u_regs[i + 8];
1779 }
67867308
FB		 1780#elif defined(TARGET_PPC)
1781 {
3fc6c082 1782 ppc_def_t *def;
67867308 1783 int i;
3fc6c082
FB		 1784
1785 /* Choose and initialise CPU */
1786 /* XXX: CPU model (or PVR) should be provided on command line */
1787 // ppc_find_by_name("750gx", &def);
1788 // ppc_find_by_name("750fx", &def);
1789 // ppc_find_by_name("750p", &def);
1790 ppc_find_by_name("750", &def);
1791 // ppc_find_by_name("G3", &def);
1792 // ppc_find_by_name("604r", &def);
1793 // ppc_find_by_name("604e", &def);
1794 // ppc_find_by_name("604", &def);
1795 if (def == NULL) {
c68ea704 1796 cpu_abort(env,
3fc6c082
FB		 1797 "Unable to find PowerPC CPU definition\n");
1798 }
c68ea704 1799 cpu_ppc_register(env, def);
3fc6c082 1800
61190b14 1801 for (i = 0; i < 32; i++) {
4c2e770f 1802 if (i != 12 && i != 6 && i != 13)
61190b14
FB		 1803 env->msr[i] = (regs->msr >> i) & 1;
1804 }
67867308
FB		 1805 env->nip = regs->nip;
1806 for(i = 0; i < 32; i++) {
1807 env->gpr[i] = regs->gpr[i];
1808 }
1809 }
e6e5906b
PB		 1810#elif defined(TARGET_M68K)
1811 {
1812 m68k_def_t *def;
1813 def = m68k_find_by_name("cfv4e");
1814 if (def == NULL) {
1815 cpu_abort(cpu_single_env,
1816 "Unable to find m68k CPU definition\n");
1817 }
1818 cpu_m68k_register(cpu_single_env, def);
1819 env->pc = regs->pc;
1820 env->dregs[0] = regs->d0;
1821 env->dregs[1] = regs->d1;
1822 env->dregs[2] = regs->d2;
1823 env->dregs[3] = regs->d3;
1824 env->dregs[4] = regs->d4;
1825 env->dregs[5] = regs->d5;
1826 env->dregs[6] = regs->d6;
1827 env->dregs[7] = regs->d7;
1828 env->aregs[0] = regs->a0;
1829 env->aregs[1] = regs->a1;
1830 env->aregs[2] = regs->a2;
1831 env->aregs[3] = regs->a3;
1832 env->aregs[4] = regs->a4;
1833 env->aregs[5] = regs->a5;
1834 env->aregs[6] = regs->a6;
1835 env->aregs[7] = regs->usp;
1836 env->sr = regs->sr;
1837 ts->sim_syscalls = 1;
1838 }
048f6b4d
FB		 1839#elif defined(TARGET_MIPS)
1840 {
1841 int i;
1842
1843 for(i = 0; i < 32; i++) {
1844 env->gpr[i] = regs->regs[i];
1845 }
1846 env->PC = regs->cp0_epc;
36d23958
TS		 1847 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
1848 env->CP0_Status |= (1 << CP0St_CU1);
1849 }
048f6b4d 1850 }
fdf9b3e8
FB		 1851#elif defined(TARGET_SH4)
1852 {
1853 int i;
1854
1855 for(i = 0; i < 16; i++) {
1856 env->gregs[i] = regs->regs[i];
1857 }
1858 env->pc = regs->pc;
1859 }
b346ff46
FB		 1860#else
1861#error unsupported target CPU
1862#endif
31e31b8a 1863
74c33bed
FB		 1864 if (gdbstub_port) {
1865 gdbserver_start (gdbstub_port);
1fddef4b
FB		 1866 gdb_handlesig(env, 0);
1867 }
1b6b029e
FB		 1868 cpu_loop(env);
1869 /* never exits */
31e31b8a
FB		 1870 return 0;
1871}
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