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Simple u-boot image loading support.
[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}
673
674uint32_t cpu_ppc_load_decr (CPUState *env)
675{
676 /* TO FIX */
677 return -1;
678}
679
680void cpu_ppc_store_decr (CPUState *env, uint32_t value)
681{
682 /* TO FIX */
683}
684
67867308
FB		 685void cpu_loop(CPUPPCState *env)
686{
67867308 687 target_siginfo_t info;
61190b14
FB		 688 int trapnr;
689 uint32_t ret;
67867308
FB		 690
691 for(;;) {
692 trapnr = cpu_ppc_exec(env);
61190b14
FB		 693 if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
694 trapnr != EXCP_TRACE) {
695 if (loglevel > 0) {
7fe48483 696 cpu_dump_state(env, logfile, fprintf, 0);
61190b14
FB		 697 }
698 }
67867308
FB		 699 switch(trapnr) {
700 case EXCP_NONE:
67867308 701 break;
61190b14
FB		 702 case EXCP_SYSCALL_USER:
703 /* system call */
704 /* WARNING:
705 * PPC ABI uses overflow flag in cr0 to signal an error
706 * in syscalls.
707 */
67867308 708#if 0
61190b14
FB		 709 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
710 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
67867308 711#endif
61190b14
FB		 712 env->crf[0] &= ~0x1;
713 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
714 env->gpr[5], env->gpr[6], env->gpr[7],
715 env->gpr[8]);
716 if (ret > (uint32_t)(-515)) {
717 env->crf[0] |= 0x1;
718 ret = -ret;
719 }
720 env->gpr[3] = ret;
721#if 0
722 printf("syscall returned 0x%08x (%d)\n", ret, ret);
723#endif
724 break;
725 case EXCP_RESET:
726 /* Should not happen ! */
727 fprintf(stderr, "RESET asked... Stop emulation\n");
728 if (loglevel)
729 fprintf(logfile, "RESET asked... Stop emulation\n");
67867308 730 abort();
61190b14
FB		 731 case EXCP_MACHINE_CHECK:
732 fprintf(stderr, "Machine check exeption... Stop emulation\n");
733 if (loglevel)
734 fprintf(logfile, "RESET asked... Stop emulation\n");
735 info.si_signo = TARGET_SIGBUS;
67867308 736 info.si_errno = 0;
61190b14
FB		 737 info.si_code = TARGET_BUS_OBJERR;
738 info._sifields._sigfault._addr = env->nip - 4;
739 queue_signal(info.si_signo, &info);
740 case EXCP_DSI:
3fc6c082
FB		 741 fprintf(stderr, "Invalid data memory access: 0x%08x\n",
742 env->spr[SPR_DAR]);
61190b14
FB		 743 if (loglevel) {
744 fprintf(logfile, "Invalid data memory access: 0x%08x\n",
3fc6c082 745 env->spr[SPR_DAR]);
61190b14 746 }
2be0071f
FB		 747 switch (env->error_code & 0xFF000000) {
748 case 0x40000000:
61190b14
FB		 749 info.si_signo = TARGET_SIGSEGV;
750 info.si_errno = 0;
751 info.si_code = TARGET_SEGV_MAPERR;
752 break;
2be0071f 753 case 0x04000000:
61190b14
FB		 754 info.si_signo = TARGET_SIGILL;
755 info.si_errno = 0;
756 info.si_code = TARGET_ILL_ILLADR;
757 break;
2be0071f 758 case 0x08000000:
61190b14
FB		 759 info.si_signo = TARGET_SIGSEGV;
760 info.si_errno = 0;
761 info.si_code = TARGET_SEGV_ACCERR;
762 break;
61190b14
FB		 763 default:
764 /* Let's send a regular segfault... */
765 fprintf(stderr, "Invalid segfault errno (%02x)\n",
766 env->error_code);
767 if (loglevel) {
768 fprintf(logfile, "Invalid segfault errno (%02x)\n",
769 env->error_code);
770 }
771 info.si_signo = TARGET_SIGSEGV;
772 info.si_errno = 0;
773 info.si_code = TARGET_SEGV_MAPERR;
774 break;
775 }
67867308
FB		 776 info._sifields._sigfault._addr = env->nip;
777 queue_signal(info.si_signo, &info);
778 break;
61190b14 779 case EXCP_ISI:
67867308 780 fprintf(stderr, "Invalid instruction fetch\n");
61190b14
FB		 781 if (loglevel)
782 fprintf(logfile, "Invalid instruction fetch\n");
2be0071f
FB		 783 switch (env->error_code & 0xFF000000) {
784 case 0x40000000:
61190b14 785 info.si_signo = TARGET_SIGSEGV;
67867308 786 info.si_errno = 0;
61190b14
FB		 787 info.si_code = TARGET_SEGV_MAPERR;
788 break;
2be0071f
FB		 789 case 0x10000000:
790 case 0x08000000:
61190b14
FB		 791 info.si_signo = TARGET_SIGSEGV;
792 info.si_errno = 0;
793 info.si_code = TARGET_SEGV_ACCERR;
794 break;
795 default:
796 /* Let's send a regular segfault... */
797 fprintf(stderr, "Invalid segfault errno (%02x)\n",
798 env->error_code);
799 if (loglevel) {
800 fprintf(logfile, "Invalid segfault errno (%02x)\n",
801 env->error_code);
802 }
803 info.si_signo = TARGET_SIGSEGV;
804 info.si_errno = 0;
805 info.si_code = TARGET_SEGV_MAPERR;
806 break;
807 }
808 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 809 queue_signal(info.si_signo, &info);
810 break;
61190b14
FB		 811 case EXCP_EXTERNAL:
812 /* Should not happen ! */
813 fprintf(stderr, "External interruption... Stop emulation\n");
814 if (loglevel)
815 fprintf(logfile, "External interruption... Stop emulation\n");
67867308 816 abort();
61190b14
FB		 817 case EXCP_ALIGN:
818 fprintf(stderr, "Invalid unaligned memory access\n");
819 if (loglevel)
820 fprintf(logfile, "Invalid unaligned memory access\n");
821 info.si_signo = TARGET_SIGBUS;
67867308 822 info.si_errno = 0;
61190b14
FB		 823 info.si_code = TARGET_BUS_ADRALN;
824 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 825 queue_signal(info.si_signo, &info);
826 break;
61190b14
FB		 827 case EXCP_PROGRAM:
828 switch (env->error_code & ~0xF) {
829 case EXCP_FP:
830 fprintf(stderr, "Program exception\n");
831 if (loglevel)
832 fprintf(logfile, "Program exception\n");
833 /* Set FX */
834 env->fpscr[7] |= 0x8;
835 /* Finally, update FEX */
836 if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
837 ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
838 env->fpscr[7] |= 0x4;
839 info.si_signo = TARGET_SIGFPE;
840 info.si_errno = 0;
841 switch (env->error_code & 0xF) {
842 case EXCP_FP_OX:
843 info.si_code = TARGET_FPE_FLTOVF;
844 break;
845 case EXCP_FP_UX:
846 info.si_code = TARGET_FPE_FLTUND;
847 break;
848 case EXCP_FP_ZX:
849 case EXCP_FP_VXZDZ:
850 info.si_code = TARGET_FPE_FLTDIV;
851 break;
852 case EXCP_FP_XX:
853 info.si_code = TARGET_FPE_FLTRES;
854 break;
855 case EXCP_FP_VXSOFT:
856 info.si_code = TARGET_FPE_FLTINV;
857 break;
858 case EXCP_FP_VXNAN:
859 case EXCP_FP_VXISI:
860 case EXCP_FP_VXIDI:
861 case EXCP_FP_VXIMZ:
862 case EXCP_FP_VXVC:
863 case EXCP_FP_VXSQRT:
864 case EXCP_FP_VXCVI:
865 info.si_code = TARGET_FPE_FLTSUB;
866 break;
867 default:
868 fprintf(stderr, "Unknown floating point exception "
869 "(%02x)\n", env->error_code);
870 if (loglevel) {
871 fprintf(logfile, "Unknown floating point exception "
872 "(%02x)\n", env->error_code & 0xF);
873 }
874 }
875 break;
67867308 876 case EXCP_INVAL:
61190b14
FB		 877 fprintf(stderr, "Invalid instruction\n");
878 if (loglevel)
879 fprintf(logfile, "Invalid instruction\n");
880 info.si_signo = TARGET_SIGILL;
881 info.si_errno = 0;
882 switch (env->error_code & 0xF) {
883 case EXCP_INVAL_INVAL:
884 info.si_code = TARGET_ILL_ILLOPC;
885 break;
886 case EXCP_INVAL_LSWX:
67867308 887 info.si_code = TARGET_ILL_ILLOPN;
61190b14
FB		 888 break;
889 case EXCP_INVAL_SPR:
890 info.si_code = TARGET_ILL_PRVREG;
891 break;
892 case EXCP_INVAL_FP:
893 info.si_code = TARGET_ILL_COPROC;
894 break;
895 default:
896 fprintf(stderr, "Unknown invalid operation (%02x)\n",
897 env->error_code & 0xF);
898 if (loglevel) {
899 fprintf(logfile, "Unknown invalid operation (%02x)\n",
900 env->error_code & 0xF);
901 }
902 info.si_code = TARGET_ILL_ILLADR;
903 break;
904 }
905 break;
906 case EXCP_PRIV:
907 fprintf(stderr, "Privilege violation\n");
908 if (loglevel)
909 fprintf(logfile, "Privilege violation\n");
910 info.si_signo = TARGET_SIGILL;
911 info.si_errno = 0;
912 switch (env->error_code & 0xF) {
913 case EXCP_PRIV_OPC:
914 info.si_code = TARGET_ILL_PRVOPC;
915 break;
916 case EXCP_PRIV_REG:
917 info.si_code = TARGET_ILL_PRVREG;
918 break;
919 default:
920 fprintf(stderr, "Unknown privilege violation (%02x)\n",
921 env->error_code & 0xF);
922 info.si_code = TARGET_ILL_PRVOPC;
923 break;
924 }
925 break;
926 case EXCP_TRAP:
927 fprintf(stderr, "Tried to call a TRAP\n");
928 if (loglevel)
929 fprintf(logfile, "Tried to call a TRAP\n");
930 abort();
931 default:
932 /* Should not happen ! */
933 fprintf(stderr, "Unknown program exception (%02x)\n",
934 env->error_code);
935 if (loglevel) {
936 fprintf(logfile, "Unknwon program exception (%02x)\n",
937 env->error_code);
938 }
939 abort();
940 }
941 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 942 queue_signal(info.si_signo, &info);
943 break;
61190b14
FB		 944 case EXCP_NO_FP:
945 fprintf(stderr, "No floating point allowed\n");
946 if (loglevel)
947 fprintf(logfile, "No floating point allowed\n");
948 info.si_signo = TARGET_SIGILL;
67867308 949 info.si_errno = 0;
61190b14
FB		 950 info.si_code = TARGET_ILL_COPROC;
951 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 952 queue_signal(info.si_signo, &info);
953 break;
61190b14
FB		 954 case EXCP_DECR:
955 /* Should not happen ! */
956 fprintf(stderr, "Decrementer exception\n");
957 if (loglevel)
958 fprintf(logfile, "Decrementer exception\n");
959 abort();
61190b14
FB		 960 case EXCP_TRACE:
961 /* Do nothing: we use this to trace execution */
67867308 962 break;
61190b14
FB		 963 case EXCP_FP_ASSIST:
964 /* Should not happen ! */
965 fprintf(stderr, "Floating point assist exception\n");
966 if (loglevel)
967 fprintf(logfile, "Floating point assist exception\n");
968 abort();
969 case EXCP_MTMSR:
970 /* We reloaded the msr, just go on */
9fddaa0c 971 if (msr_pr == 0) {
61190b14
FB		 972 fprintf(stderr, "Tried to go into supervisor mode !\n");
973 if (loglevel)
974 fprintf(logfile, "Tried to go into supervisor mode !\n");
975 abort();
67867308 976 }
61190b14
FB		 977 break;
978 case EXCP_BRANCH:
979 /* We stopped because of a jump... */
980 break;
61190b14
FB		 981 case EXCP_INTERRUPT:
982 /* Don't know why this should ever happen... */
983 break;
1fddef4b
FB		 984 case EXCP_DEBUG:
985 {
986 int sig;
987
988 sig = gdb_handlesig (env, TARGET_SIGTRAP);
989 if (sig)
990 {
991 info.si_signo = sig;
992 info.si_errno = 0;
993 info.si_code = TARGET_TRAP_BRKPT;
994 queue_signal(info.si_signo, &info);
995 }
996 }
997 break;
67867308 998 default:
67867308
FB		 999 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1000 trapnr);
61190b14
FB		 1001 if (loglevel) {
1002 fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
1003 "0x%02x - aborting\n", trapnr, env->error_code);
1004 }
67867308
FB		 1005 abort();
1006 }
1007 process_pending_signals(env);
1008 }
1009}
1010#endif
1011
048f6b4d
FB		 1012#ifdef TARGET_MIPS
1013
1014#define MIPS_SYS(name, args) args,
1015
1016static const uint8_t mips_syscall_args[] = {
1017 MIPS_SYS(sys_syscall , 0) /* 4000 */
1018 MIPS_SYS(sys_exit , 1)
1019 MIPS_SYS(sys_fork , 0)
1020 MIPS_SYS(sys_read , 3)
1021 MIPS_SYS(sys_write , 3)
1022 MIPS_SYS(sys_open , 3) /* 4005 */
1023 MIPS_SYS(sys_close , 1)
1024 MIPS_SYS(sys_waitpid , 3)
1025 MIPS_SYS(sys_creat , 2)
1026 MIPS_SYS(sys_link , 2)
1027 MIPS_SYS(sys_unlink , 1) /* 4010 */
1028 MIPS_SYS(sys_execve , 0)
1029 MIPS_SYS(sys_chdir , 1)
1030 MIPS_SYS(sys_time , 1)
1031 MIPS_SYS(sys_mknod , 3)
1032 MIPS_SYS(sys_chmod , 2) /* 4015 */
1033 MIPS_SYS(sys_lchown , 3)
1034 MIPS_SYS(sys_ni_syscall , 0)
1035 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1036 MIPS_SYS(sys_lseek , 3)
1037 MIPS_SYS(sys_getpid , 0) /* 4020 */
1038 MIPS_SYS(sys_mount , 5)
1039 MIPS_SYS(sys_oldumount , 1)
1040 MIPS_SYS(sys_setuid , 1)
1041 MIPS_SYS(sys_getuid , 0)
1042 MIPS_SYS(sys_stime , 1) /* 4025 */
1043 MIPS_SYS(sys_ptrace , 4)
1044 MIPS_SYS(sys_alarm , 1)
1045 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1046 MIPS_SYS(sys_pause , 0)
1047 MIPS_SYS(sys_utime , 2) /* 4030 */
1048 MIPS_SYS(sys_ni_syscall , 0)
1049 MIPS_SYS(sys_ni_syscall , 0)
1050 MIPS_SYS(sys_access , 2)
1051 MIPS_SYS(sys_nice , 1)
1052 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1053 MIPS_SYS(sys_sync , 0)
1054 MIPS_SYS(sys_kill , 2)
1055 MIPS_SYS(sys_rename , 2)
1056 MIPS_SYS(sys_mkdir , 2)
1057 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1058 MIPS_SYS(sys_dup , 1)
1059 MIPS_SYS(sys_pipe , 0)
1060 MIPS_SYS(sys_times , 1)
1061 MIPS_SYS(sys_ni_syscall , 0)
1062 MIPS_SYS(sys_brk , 1) /* 4045 */
1063 MIPS_SYS(sys_setgid , 1)
1064 MIPS_SYS(sys_getgid , 0)
1065 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1066 MIPS_SYS(sys_geteuid , 0)
1067 MIPS_SYS(sys_getegid , 0) /* 4050 */
1068 MIPS_SYS(sys_acct , 0)
1069 MIPS_SYS(sys_umount , 2)
1070 MIPS_SYS(sys_ni_syscall , 0)
1071 MIPS_SYS(sys_ioctl , 3)
1072 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1073 MIPS_SYS(sys_ni_syscall , 2)
1074 MIPS_SYS(sys_setpgid , 2)
1075 MIPS_SYS(sys_ni_syscall , 0)
1076 MIPS_SYS(sys_olduname , 1)
1077 MIPS_SYS(sys_umask , 1) /* 4060 */
1078 MIPS_SYS(sys_chroot , 1)
1079 MIPS_SYS(sys_ustat , 2)
1080 MIPS_SYS(sys_dup2 , 2)
1081 MIPS_SYS(sys_getppid , 0)
1082 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1083 MIPS_SYS(sys_setsid , 0)
1084 MIPS_SYS(sys_sigaction , 3)
1085 MIPS_SYS(sys_sgetmask , 0)
1086 MIPS_SYS(sys_ssetmask , 1)
1087 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1088 MIPS_SYS(sys_setregid , 2)
1089 MIPS_SYS(sys_sigsuspend , 0)
1090 MIPS_SYS(sys_sigpending , 1)
1091 MIPS_SYS(sys_sethostname , 2)
1092 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1093 MIPS_SYS(sys_getrlimit , 2)
1094 MIPS_SYS(sys_getrusage , 2)
1095 MIPS_SYS(sys_gettimeofday, 2)
1096 MIPS_SYS(sys_settimeofday, 2)
1097 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1098 MIPS_SYS(sys_setgroups , 2)
1099 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1100 MIPS_SYS(sys_symlink , 2)
1101 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1102 MIPS_SYS(sys_readlink , 3) /* 4085 */
1103 MIPS_SYS(sys_uselib , 1)
1104 MIPS_SYS(sys_swapon , 2)
1105 MIPS_SYS(sys_reboot , 3)
1106 MIPS_SYS(old_readdir , 3)
1107 MIPS_SYS(old_mmap , 6) /* 4090 */
1108 MIPS_SYS(sys_munmap , 2)
1109 MIPS_SYS(sys_truncate , 2)
1110 MIPS_SYS(sys_ftruncate , 2)
1111 MIPS_SYS(sys_fchmod , 2)
1112 MIPS_SYS(sys_fchown , 3) /* 4095 */
1113 MIPS_SYS(sys_getpriority , 2)
1114 MIPS_SYS(sys_setpriority , 3)
1115 MIPS_SYS(sys_ni_syscall , 0)
1116 MIPS_SYS(sys_statfs , 2)
1117 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1118 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1119 MIPS_SYS(sys_socketcall , 2)
1120 MIPS_SYS(sys_syslog , 3)
1121 MIPS_SYS(sys_setitimer , 3)
1122 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1123 MIPS_SYS(sys_newstat , 2)
1124 MIPS_SYS(sys_newlstat , 2)
1125 MIPS_SYS(sys_newfstat , 2)
1126 MIPS_SYS(sys_uname , 1)
1127 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1128 MIPS_SYS(sys_vhangup , 0)
1129 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1130 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1131 MIPS_SYS(sys_wait4 , 4)
1132 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1133 MIPS_SYS(sys_sysinfo , 1)
1134 MIPS_SYS(sys_ipc , 6)
1135 MIPS_SYS(sys_fsync , 1)
1136 MIPS_SYS(sys_sigreturn , 0)
1137 MIPS_SYS(sys_clone , 0) /* 4120 */
1138 MIPS_SYS(sys_setdomainname, 2)
1139 MIPS_SYS(sys_newuname , 1)
1140 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1141 MIPS_SYS(sys_adjtimex , 1)
1142 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1143 MIPS_SYS(sys_sigprocmask , 3)
1144 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1145 MIPS_SYS(sys_init_module , 5)
1146 MIPS_SYS(sys_delete_module, 1)
1147 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1148 MIPS_SYS(sys_quotactl , 0)
1149 MIPS_SYS(sys_getpgid , 1)
1150 MIPS_SYS(sys_fchdir , 1)
1151 MIPS_SYS(sys_bdflush , 2)
1152 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1153 MIPS_SYS(sys_personality , 1)
1154 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1155 MIPS_SYS(sys_setfsuid , 1)
1156 MIPS_SYS(sys_setfsgid , 1)
1157 MIPS_SYS(sys_llseek , 5) /* 4140 */
1158 MIPS_SYS(sys_getdents , 3)
1159 MIPS_SYS(sys_select , 5)
1160 MIPS_SYS(sys_flock , 2)
1161 MIPS_SYS(sys_msync , 3)
1162 MIPS_SYS(sys_readv , 3) /* 4145 */
1163 MIPS_SYS(sys_writev , 3)
1164 MIPS_SYS(sys_cacheflush , 3)
1165 MIPS_SYS(sys_cachectl , 3)
1166 MIPS_SYS(sys_sysmips , 4)
1167 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1168 MIPS_SYS(sys_getsid , 1)
1169 MIPS_SYS(sys_fdatasync , 0)
1170 MIPS_SYS(sys_sysctl , 1)
1171 MIPS_SYS(sys_mlock , 2)
1172 MIPS_SYS(sys_munlock , 2) /* 4155 */
1173 MIPS_SYS(sys_mlockall , 1)
1174 MIPS_SYS(sys_munlockall , 0)
1175 MIPS_SYS(sys_sched_setparam, 2)
1176 MIPS_SYS(sys_sched_getparam, 2)
1177 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1178 MIPS_SYS(sys_sched_getscheduler, 1)
1179 MIPS_SYS(sys_sched_yield , 0)
1180 MIPS_SYS(sys_sched_get_priority_max, 1)
1181 MIPS_SYS(sys_sched_get_priority_min, 1)
1182 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1183 MIPS_SYS(sys_nanosleep, 2)
1184 MIPS_SYS(sys_mremap , 4)
1185 MIPS_SYS(sys_accept , 3)
1186 MIPS_SYS(sys_bind , 3)
1187 MIPS_SYS(sys_connect , 3) /* 4170 */
1188 MIPS_SYS(sys_getpeername , 3)
1189 MIPS_SYS(sys_getsockname , 3)
1190 MIPS_SYS(sys_getsockopt , 5)
1191 MIPS_SYS(sys_listen , 2)
1192 MIPS_SYS(sys_recv , 4) /* 4175 */
1193 MIPS_SYS(sys_recvfrom , 6)
1194 MIPS_SYS(sys_recvmsg , 3)
1195 MIPS_SYS(sys_send , 4)
1196 MIPS_SYS(sys_sendmsg , 3)
1197 MIPS_SYS(sys_sendto , 6) /* 4180 */
1198 MIPS_SYS(sys_setsockopt , 5)
1199 MIPS_SYS(sys_shutdown , 2)
1200 MIPS_SYS(sys_socket , 3)
1201 MIPS_SYS(sys_socketpair , 4)
1202 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1203 MIPS_SYS(sys_getresuid , 3)
1204 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1205 MIPS_SYS(sys_poll , 3)
1206 MIPS_SYS(sys_nfsservctl , 3)
1207 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1208 MIPS_SYS(sys_getresgid , 3)
1209 MIPS_SYS(sys_prctl , 5)
1210 MIPS_SYS(sys_rt_sigreturn, 0)
1211 MIPS_SYS(sys_rt_sigaction, 4)
1212 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1213 MIPS_SYS(sys_rt_sigpending, 2)
1214 MIPS_SYS(sys_rt_sigtimedwait, 4)
1215 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1216 MIPS_SYS(sys_rt_sigsuspend, 0)
1217 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1218 MIPS_SYS(sys_pwrite64 , 6)
1219 MIPS_SYS(sys_chown , 3)
1220 MIPS_SYS(sys_getcwd , 2)
1221 MIPS_SYS(sys_capget , 2)
1222 MIPS_SYS(sys_capset , 2) /* 4205 */
1223 MIPS_SYS(sys_sigaltstack , 0)
1224 MIPS_SYS(sys_sendfile , 4)
1225 MIPS_SYS(sys_ni_syscall , 0)
1226 MIPS_SYS(sys_ni_syscall , 0)
1227 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1228 MIPS_SYS(sys_truncate64 , 4)
1229 MIPS_SYS(sys_ftruncate64 , 4)
1230 MIPS_SYS(sys_stat64 , 2)
1231 MIPS_SYS(sys_lstat64 , 2)
1232 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1233 MIPS_SYS(sys_pivot_root , 2)
1234 MIPS_SYS(sys_mincore , 3)
1235 MIPS_SYS(sys_madvise , 3)
1236 MIPS_SYS(sys_getdents64 , 3)
1237 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1238 MIPS_SYS(sys_ni_syscall , 0)
1239 MIPS_SYS(sys_gettid , 0)
1240 MIPS_SYS(sys_readahead , 5)
1241 MIPS_SYS(sys_setxattr , 5)
1242 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1243 MIPS_SYS(sys_fsetxattr , 5)
1244 MIPS_SYS(sys_getxattr , 4)
1245 MIPS_SYS(sys_lgetxattr , 4)
1246 MIPS_SYS(sys_fgetxattr , 4)
1247 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1248 MIPS_SYS(sys_llistxattr , 3)
1249 MIPS_SYS(sys_flistxattr , 3)
1250 MIPS_SYS(sys_removexattr , 2)
1251 MIPS_SYS(sys_lremovexattr, 2)
1252 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1253 MIPS_SYS(sys_tkill , 2)
1254 MIPS_SYS(sys_sendfile64 , 5)
1255 MIPS_SYS(sys_futex , 2)
1256 MIPS_SYS(sys_sched_setaffinity, 3)
1257 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1258 MIPS_SYS(sys_io_setup , 2)
1259 MIPS_SYS(sys_io_destroy , 1)
1260 MIPS_SYS(sys_io_getevents, 5)
1261 MIPS_SYS(sys_io_submit , 3)
1262 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1263 MIPS_SYS(sys_exit_group , 1)
1264 MIPS_SYS(sys_lookup_dcookie, 3)
1265 MIPS_SYS(sys_epoll_create, 1)
1266 MIPS_SYS(sys_epoll_ctl , 4)
1267 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1268 MIPS_SYS(sys_remap_file_pages, 5)
1269 MIPS_SYS(sys_set_tid_address, 1)
1270 MIPS_SYS(sys_restart_syscall, 0)
1271 MIPS_SYS(sys_fadvise64_64, 7)
1272 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1273 MIPS_SYS(sys_fstatfs64 , 2)
1274 MIPS_SYS(sys_timer_create, 3)
1275 MIPS_SYS(sys_timer_settime, 4)
1276 MIPS_SYS(sys_timer_gettime, 2)
1277 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1278 MIPS_SYS(sys_timer_delete, 1)
1279 MIPS_SYS(sys_clock_settime, 2)
1280 MIPS_SYS(sys_clock_gettime, 2)
1281 MIPS_SYS(sys_clock_getres, 2)
1282 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1283 MIPS_SYS(sys_tgkill , 3)
1284 MIPS_SYS(sys_utimes , 2)
1285 MIPS_SYS(sys_mbind , 4)
1286 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1287 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1288 MIPS_SYS(sys_mq_open , 4)
1289 MIPS_SYS(sys_mq_unlink , 1)
1290 MIPS_SYS(sys_mq_timedsend, 5)
1291 MIPS_SYS(sys_mq_timedreceive, 5)
1292 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1293 MIPS_SYS(sys_mq_getsetattr, 3)
1294 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1295 MIPS_SYS(sys_waitid , 4)
1296 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1297 MIPS_SYS(sys_add_key , 5)
1298 MIPS_SYS(sys_request_key , 4)
1299 MIPS_SYS(sys_keyctl , 5)
6f5b89a0 1300 MIPS_SYS(sys_set_thread_area, 1)
048f6b4d
FB		 1301};
1302
1303#undef MIPS_SYS
1304
1305void cpu_loop(CPUMIPSState *env)
1306{
1307 target_siginfo_t info;
1308 int trapnr, ret, nb_args;
1309 unsigned int syscall_num;
1310 target_ulong arg5, arg6, sp_reg;
1311
1312 for(;;) {
1313 trapnr = cpu_mips_exec(env);
1314 switch(trapnr) {
1315 case EXCP_SYSCALL:
1316 {
1317 syscall_num = env->gpr[2] - 4000;
106ec879 1318 env->PC += 4;
048f6b4d
FB		 1319 if (syscall_num >= sizeof(mips_syscall_args)) {
1320 ret = -ENOSYS;
1321 } else {
1322 nb_args = mips_syscall_args[syscall_num];
1323 if (nb_args >= 5) {
1324 sp_reg = env->gpr[29];
1325 /* these arguments are taken from the stack */
53a5960a 1326 arg5 = tgetl(sp_reg + 16);
048f6b4d 1327 if (nb_args >= 6) {
53a5960a 1328 arg6 = tgetl(sp_reg + 20);
048f6b4d
FB		 1329 } else {
1330 arg6 = 0;
1331 }
1332 } else {
1333 arg5 = 0;
1334 arg6 = 0;
1335 }
1336 ret = do_syscall(env,
1337 env->gpr[2],
1338 env->gpr[4],
1339 env->gpr[5],
1340 env->gpr[6],
1341 env->gpr[7],
1342 arg5,
1343 arg6);
1344 }
048f6b4d
FB		 1345 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1346 env->gpr[7] = 1; /* error flag */
1347 ret = -ret;
1348 env->gpr[0] = ret;
1349 env->gpr[2] = ret;
1350 } else {
1351 env->gpr[7] = 0; /* error flag */
1352 env->gpr[2] = ret;
1353 }
1354 }
1355 break;
ca7c2b1b
TS		 1356 case EXCP_TLBL:
1357 case EXCP_TLBS:
6900e84b 1358 case EXCP_CpU:
048f6b4d 1359 case EXCP_RI:
bc1ad2de
FB		 1360 info.si_signo = TARGET_SIGILL;
1361 info.si_errno = 0;
1362 info.si_code = 0;
1363 queue_signal(info.si_signo, &info);
048f6b4d 1364 break;
106ec879
FB		 1365 case EXCP_INTERRUPT:
1366 /* just indicate that signals should be handled asap */
1367 break;
d08b2a28
PB		 1368 case EXCP_DEBUG:
1369 {
1370 int sig;
1371
1372 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1373 if (sig)
1374 {
1375 info.si_signo = sig;
1376 info.si_errno = 0;
1377 info.si_code = TARGET_TRAP_BRKPT;
1378 queue_signal(info.si_signo, &info);
1379 }
1380 }
1381 break;
048f6b4d
FB		 1382 default:
1383 // error:
1384 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1385 trapnr);
1386 cpu_dump_state(env, stderr, fprintf, 0);
1387 abort();
1388 }
1389 process_pending_signals(env);
1390 }
1391}
1392#endif
1393
fdf9b3e8
FB		 1394#ifdef TARGET_SH4
1395void cpu_loop (CPUState *env)
1396{
1397 int trapnr, ret;
355fb23d 1398 target_siginfo_t info;
fdf9b3e8
FB		 1399
1400 while (1) {
1401 trapnr = cpu_sh4_exec (env);
1402
1403 switch (trapnr) {
1404 case 0x160:
1405 ret = do_syscall(env,
9c2a9ea1
PB		 1406 env->gregs[3],
1407 env->gregs[4],
1408 env->gregs[5],
1409 env->gregs[6],
1410 env->gregs[7],
1411 env->gregs[0],
fdf9b3e8 1412 0);
9c2a9ea1 1413 env->gregs[0] = ret;
fdf9b3e8
FB		 1414 env->pc += 2;
1415 break;
355fb23d
PB		 1416 case EXCP_DEBUG:
1417 {
1418 int sig;
1419
1420 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1421 if (sig)
1422 {
1423 info.si_signo = sig;
1424 info.si_errno = 0;
1425 info.si_code = TARGET_TRAP_BRKPT;
1426 queue_signal(info.si_signo, &info);
1427 }
1428 }
1429 break;
fdf9b3e8
FB		 1430 default:
1431 printf ("Unhandled trap: 0x%x\n", trapnr);
1432 cpu_dump_state(env, stderr, fprintf, 0);
1433 exit (1);
1434 }
1435 process_pending_signals (env);
1436 }
1437}
1438#endif
1439
e6e5906b
PB		 1440#ifdef TARGET_M68K
1441
1442void cpu_loop(CPUM68KState *env)
1443{
1444 int trapnr;
1445 unsigned int n;
1446 target_siginfo_t info;
1447 TaskState *ts = env->opaque;
1448
1449 for(;;) {
1450 trapnr = cpu_m68k_exec(env);
1451 switch(trapnr) {
1452 case EXCP_ILLEGAL:
1453 {
1454 if (ts->sim_syscalls) {
1455 uint16_t nr;
1456 nr = lduw(env->pc + 2);
1457 env->pc += 4;
1458 do_m68k_simcall(env, nr);
1459 } else {
1460 goto do_sigill;
1461 }
1462 }
1463 break;
1464 case EXCP_HALTED:
1465 /* Semihosing syscall. */
1466 env->pc += 2;
1467 do_m68k_semihosting(env, env->dregs[0]);
1468 break;
1469 case EXCP_LINEA:
1470 case EXCP_LINEF:
1471 case EXCP_UNSUPPORTED:
1472 do_sigill:
1473 info.si_signo = SIGILL;
1474 info.si_errno = 0;
1475 info.si_code = TARGET_ILL_ILLOPN;
1476 info._sifields._sigfault._addr = env->pc;
1477 queue_signal(info.si_signo, &info);
1478 break;
1479 case EXCP_TRAP0:
1480 {
1481 ts->sim_syscalls = 0;
1482 n = env->dregs[0];
1483 env->pc += 2;
1484 env->dregs[0] = do_syscall(env,
1485 n,
1486 env->dregs[1],
1487 env->dregs[2],
1488 env->dregs[3],
1489 env->dregs[4],
1490 env->dregs[5],
1491 env->dregs[6]);
1492 }
1493 break;
1494 case EXCP_INTERRUPT:
1495 /* just indicate that signals should be handled asap */
1496 break;
1497 case EXCP_ACCESS:
1498 {
1499 info.si_signo = SIGSEGV;
1500 info.si_errno = 0;
1501 /* XXX: check env->error_code */
1502 info.si_code = TARGET_SEGV_MAPERR;
1503 info._sifields._sigfault._addr = env->mmu.ar;
1504 queue_signal(info.si_signo, &info);
1505 }
1506 break;
1507 case EXCP_DEBUG:
1508 {
1509 int sig;
1510
1511 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1512 if (sig)
1513 {
1514 info.si_signo = sig;
1515 info.si_errno = 0;
1516 info.si_code = TARGET_TRAP_BRKPT;
1517 queue_signal(info.si_signo, &info);
1518 }
1519 }
1520 break;
1521 default:
1522 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1523 trapnr);
1524 cpu_dump_state(env, stderr, fprintf, 0);
1525 abort();
1526 }
1527 process_pending_signals(env);
1528 }
1529}
1530#endif /* TARGET_M68K */
1531
31e31b8a
FB		 1532void usage(void)
1533{
84f2e8ef 1534 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
1fddef4b 1535 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n"
b346ff46 1536 "Linux CPU emulator (compiled for %s emulation)\n"
d691f669 1537 "\n"
54936004 1538 "-h print this help\n"
74c33bed 1539 "-g port wait gdb connection to port\n"
b346ff46
FB		 1540 "-L path set the elf interpreter prefix (default=%s)\n"
1541 "-s size set the stack size in bytes (default=%ld)\n"
54936004
FB		 1542 "\n"
1543 "debug options:\n"
c6981055
FB		 1544#ifdef USE_CODE_COPY
1545 "-no-code-copy disable code copy acceleration\n"
1546#endif
6f1f31c0 1547 "-d options activate log (logfile=%s)\n"
54936004 1548 "-p pagesize set the host page size to 'pagesize'\n",
b346ff46 1549 TARGET_ARCH,
d691f669 1550 interp_prefix,
54936004
FB		 1551 x86_stack_size,
1552 DEBUG_LOGFILE);
74cd30b8 1553 _exit(1);
31e31b8a
FB		 1554}
1555
9de5e440 1556/* XXX: currently only used for async signals (see signal.c) */
b346ff46 1557CPUState *global_env;
59faf6d6 1558
851e67a1
FB		 1559/* used to free thread contexts */
1560TaskState *first_task_state;
9de5e440 1561
31e31b8a
FB		 1562int main(int argc, char **argv)
1563{
1564 const char *filename;
01ffc75b 1565 struct target_pt_regs regs1, *regs = &regs1;
31e31b8a 1566 struct image_info info1, *info = &info1;
851e67a1 1567 TaskState ts1, *ts = &ts1;
b346ff46 1568 CPUState *env;
586314f2 1569 int optind;
d691f669 1570 const char *r;
74c33bed 1571 int gdbstub_port = 0;
d691f669 1572
31e31b8a
FB		 1573 if (argc <= 1)
1574 usage();
f801f97e 1575
cc38b844
FB		 1576 /* init debug */
1577 cpu_set_log_filename(DEBUG_LOGFILE);
1578
586314f2 1579 optind = 1;
d691f669
FB		 1580 for(;;) {
1581 if (optind >= argc)
1582 break;
1583 r = argv[optind];
1584 if (r[0] != '-')
1585 break;
586314f2 1586 optind++;
d691f669
FB		 1587 r++;
1588 if (!strcmp(r, "-")) {
1589 break;
1590 } else if (!strcmp(r, "d")) {
e19e89a5
FB		 1591 int mask;
1592 CPULogItem *item;
6f1f31c0
FB		 1593
1594 if (optind >= argc)
1595 break;
e19e89a5 1596
6f1f31c0
FB		 1597 r = argv[optind++];
1598 mask = cpu_str_to_log_mask(r);
e19e89a5
FB		 1599 if (!mask) {
1600 printf("Log items (comma separated):\n");
1601 for(item = cpu_log_items; item->mask != 0; item++) {
1602 printf("%-10s %s\n", item->name, item->help);
1603 }
1604 exit(1);
1605 }
1606 cpu_set_log(mask);
d691f669
FB		 1607 } else if (!strcmp(r, "s")) {
1608 r = argv[optind++];
1609 x86_stack_size = strtol(r, (char **)&r, 0);
1610 if (x86_stack_size <= 0)
1611 usage();
1612 if (*r == 'M')
1613 x86_stack_size *= 1024 * 1024;
1614 else if (*r == 'k' || *r == 'K')
1615 x86_stack_size *= 1024;
1616 } else if (!strcmp(r, "L")) {
1617 interp_prefix = argv[optind++];
54936004 1618 } else if (!strcmp(r, "p")) {
83fb7adf
FB		 1619 qemu_host_page_size = atoi(argv[optind++]);
1620 if (qemu_host_page_size == 0 ||
1621 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
54936004
FB		 1622 fprintf(stderr, "page size must be a power of two\n");
1623 exit(1);
1624 }
1fddef4b 1625 } else if (!strcmp(r, "g")) {
74c33bed 1626 gdbstub_port = atoi(argv[optind++]);
c5937220
PB		 1627 } else if (!strcmp(r, "r")) {
1628 qemu_uname_release = argv[optind++];
c6981055
FB		 1629 } else
1630#ifdef USE_CODE_COPY
1631 if (!strcmp(r, "no-code-copy")) {
1632 code_copy_enabled = 0;
1633 } else
1634#endif
1635 {
d691f669
FB		 1636 usage();
1637 }
586314f2 1638 }
d691f669
FB		 1639 if (optind >= argc)
1640 usage();
586314f2
FB		 1641 filename = argv[optind];
1642
31e31b8a 1643 /* Zero out regs */
01ffc75b 1644 memset(regs, 0, sizeof(struct target_pt_regs));
31e31b8a
FB		 1645
1646 /* Zero out image_info */
1647 memset(info, 0, sizeof(struct image_info));
1648
74cd30b8
FB		 1649 /* Scan interp_prefix dir for replacement files. */
1650 init_paths(interp_prefix);
1651
83fb7adf
FB		 1652 /* NOTE: we need to init the CPU at this stage to get
1653 qemu_host_page_size */
b346ff46 1654 env = cpu_init();
15338fd7 1655 global_env = env;
92ccca6a 1656
e5fe0c52 1657 if (loader_exec(filename, argv+optind, environ, regs, info) != 0) {
31e31b8a 1658 printf("Error loading %s\n", filename);
74cd30b8 1659 _exit(1);
31e31b8a
FB		 1660 }
1661
4b74fe1f 1662 if (loglevel) {
54936004
FB		 1663 page_dump(logfile);
1664
4b74fe1f
FB		 1665 fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
1666 fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
1667 fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
e5fe0c52 1668 fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
4b74fe1f
FB		 1669 fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
1670 fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
1671 fprintf(logfile, "brk 0x%08lx\n" , info->brk);
b346ff46 1672 fprintf(logfile, "entry 0x%08lx\n" , info->entry);
4b74fe1f 1673 }
31e31b8a 1674
53a5960a 1675 target_set_brk(info->brk);
31e31b8a 1676 syscall_init();
66fb9763 1677 signal_init();
31e31b8a 1678
851e67a1
FB		 1679 /* build Task State */
1680 memset(ts, 0, sizeof(TaskState));
1681 env->opaque = ts;
1682 ts->used = 1;
978efd6a 1683 ts->info = info;
59faf6d6 1684 env->user_mode_only = 1;
851e67a1 1685
b346ff46 1686#if defined(TARGET_I386)
2e255c6b
FB		 1687 cpu_x86_set_cpl(env, 3);
1688
3802ce26 1689 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1bde465e
FB		 1690 env->hflags |= HF_PE_MASK;
1691 if (env->cpuid_features & CPUID_SSE) {
1692 env->cr[4] |= CR4_OSFXSR_MASK;
1693 env->hflags |= HF_OSFXSR_MASK;
1694 }
1695
415e561f
FB		 1696 /* flags setup : we activate the IRQs by default as in user mode */
1697 env->eflags |= IF_MASK;
1698
6dbad63e 1699 /* linux register setup */
0ecfa993
FB		 1700 env->regs[R_EAX] = regs->eax;
1701 env->regs[R_EBX] = regs->ebx;
1702 env->regs[R_ECX] = regs->ecx;
1703 env->regs[R_EDX] = regs->edx;
1704 env->regs[R_ESI] = regs->esi;
1705 env->regs[R_EDI] = regs->edi;
1706 env->regs[R_EBP] = regs->ebp;
1707 env->regs[R_ESP] = regs->esp;
dab2ed99 1708 env->eip = regs->eip;
31e31b8a 1709
f4beb510 1710 /* linux interrupt setup */
53a5960a 1711 env->idt.base = h2g(idt_table);
f4beb510
FB		 1712 env->idt.limit = sizeof(idt_table) - 1;
1713 set_idt(0, 0);
1714 set_idt(1, 0);
1715 set_idt(2, 0);
1716 set_idt(3, 3);
1717 set_idt(4, 3);
1718 set_idt(5, 3);
1719 set_idt(6, 0);
1720 set_idt(7, 0);
1721 set_idt(8, 0);
1722 set_idt(9, 0);
1723 set_idt(10, 0);
1724 set_idt(11, 0);
1725 set_idt(12, 0);
1726 set_idt(13, 0);
1727 set_idt(14, 0);
1728 set_idt(15, 0);
1729 set_idt(16, 0);
1730 set_idt(17, 0);
1731 set_idt(18, 0);
1732 set_idt(19, 0);
1733 set_idt(0x80, 3);
1734
6dbad63e 1735 /* linux segment setup */
53a5960a 1736 env->gdt.base = h2g(gdt_table);
6dbad63e 1737 env->gdt.limit = sizeof(gdt_table) - 1;
f4beb510
FB		 1738 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
1739 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1740 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
1741 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
1742 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1743 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
6dbad63e
FB		 1744 cpu_x86_load_seg(env, R_CS, __USER_CS);
1745 cpu_x86_load_seg(env, R_DS, __USER_DS);
1746 cpu_x86_load_seg(env, R_ES, __USER_DS);
1747 cpu_x86_load_seg(env, R_SS, __USER_DS);
1748 cpu_x86_load_seg(env, R_FS, __USER_DS);
1749 cpu_x86_load_seg(env, R_GS, __USER_DS);
92ccca6a 1750
b346ff46
FB		 1751#elif defined(TARGET_ARM)
1752 {
1753 int i;
40f137e1 1754 cpu_arm_set_model(env, ARM_CPUID_ARM1026);
b5ff1b31 1755 cpsr_write(env, regs->uregs[16], 0xffffffff);
b346ff46
FB		 1756 for(i = 0; i < 16; i++) {
1757 env->regs[i] = regs->uregs[i];
1758 }
a4f81979
FB		 1759 ts->stack_base = info->start_stack;
1760 ts->heap_base = info->brk;
1761 /* This will be filled in on the first SYS_HEAPINFO call. */
1762 ts->heap_limit = 0;
b346ff46 1763 }
93ac68bc 1764#elif defined(TARGET_SPARC)
060366c5
FB		 1765 {
1766 int i;
1767 env->pc = regs->pc;
1768 env->npc = regs->npc;
1769 env->y = regs->y;
1770 for(i = 0; i < 8; i++)
1771 env->gregs[i] = regs->u_regs[i];
1772 for(i = 0; i < 8; i++)
1773 env->regwptr[i] = regs->u_regs[i + 8];
1774 }
67867308
FB		 1775#elif defined(TARGET_PPC)
1776 {
3fc6c082 1777 ppc_def_t *def;
67867308 1778 int i;
3fc6c082
FB		 1779
1780 /* Choose and initialise CPU */
1781 /* XXX: CPU model (or PVR) should be provided on command line */
1782 // ppc_find_by_name("750gx", &def);
1783 // ppc_find_by_name("750fx", &def);
1784 // ppc_find_by_name("750p", &def);
1785 ppc_find_by_name("750", &def);
1786 // ppc_find_by_name("G3", &def);
1787 // ppc_find_by_name("604r", &def);
1788 // ppc_find_by_name("604e", &def);
1789 // ppc_find_by_name("604", &def);
1790 if (def == NULL) {
c68ea704 1791 cpu_abort(env,
3fc6c082
FB		 1792 "Unable to find PowerPC CPU definition\n");
1793 }
c68ea704 1794 cpu_ppc_register(env, def);
3fc6c082 1795
61190b14 1796 for (i = 0; i < 32; i++) {
4c2e770f 1797 if (i != 12 && i != 6 && i != 13)
61190b14
FB		 1798 env->msr[i] = (regs->msr >> i) & 1;
1799 }
67867308
FB		 1800 env->nip = regs->nip;
1801 for(i = 0; i < 32; i++) {
1802 env->gpr[i] = regs->gpr[i];
1803 }
1804 }
e6e5906b
PB		 1805#elif defined(TARGET_M68K)
1806 {
1807 m68k_def_t *def;
1808 def = m68k_find_by_name("cfv4e");
1809 if (def == NULL) {
1810 cpu_abort(cpu_single_env,
1811 "Unable to find m68k CPU definition\n");
1812 }
1813 cpu_m68k_register(cpu_single_env, def);
1814 env->pc = regs->pc;
1815 env->dregs[0] = regs->d0;
1816 env->dregs[1] = regs->d1;
1817 env->dregs[2] = regs->d2;
1818 env->dregs[3] = regs->d3;
1819 env->dregs[4] = regs->d4;
1820 env->dregs[5] = regs->d5;
1821 env->dregs[6] = regs->d6;
1822 env->dregs[7] = regs->d7;
1823 env->aregs[0] = regs->a0;
1824 env->aregs[1] = regs->a1;
1825 env->aregs[2] = regs->a2;
1826 env->aregs[3] = regs->a3;
1827 env->aregs[4] = regs->a4;
1828 env->aregs[5] = regs->a5;
1829 env->aregs[6] = regs->a6;
1830 env->aregs[7] = regs->usp;
1831 env->sr = regs->sr;
1832 ts->sim_syscalls = 1;
1833 }
048f6b4d
FB		 1834#elif defined(TARGET_MIPS)
1835 {
1836 int i;
1837
1838 for(i = 0; i < 32; i++) {
1839 env->gpr[i] = regs->regs[i];
1840 }
1841 env->PC = regs->cp0_epc;
36d23958
TS		 1842 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
1843 env->CP0_Status |= (1 << CP0St_CU1);
1844 }
048f6b4d 1845 }
fdf9b3e8
FB		 1846#elif defined(TARGET_SH4)
1847 {
1848 int i;
1849
1850 for(i = 0; i < 16; i++) {
1851 env->gregs[i] = regs->regs[i];
1852 }
1853 env->pc = regs->pc;
1854 }
b346ff46
FB		 1855#else
1856#error unsupported target CPU
1857#endif
31e31b8a 1858
74c33bed
FB		 1859 if (gdbstub_port) {
1860 gdbserver_start (gdbstub_port);
1fddef4b
FB		 1861 gdb_handlesig(env, 0);
1862 }
1b6b029e
FB		 1863 cpu_loop(env);
1864 /* never exits */
31e31b8a
FB		 1865 return 0;
1866}
Qemu copy for testing