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Rework PowerPC exceptions model to make it more versatile:
[qemu.git] / linux-user / main.c
CommitLineData
31e31b8a 1/*
93ac68bc 2 * qemu user main
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a 24#include <errno.h>
0ecfa993 25#include <unistd.h>
31e31b8a 26
3ef693a0 27#include "qemu.h"
31e31b8a 28
3ef693a0 29#define DEBUG_LOGFILE "/tmp/qemu.log"
586314f2 30
83fb7adf
FB		 31#ifdef __APPLE__
32#include <crt_externs.h>
33# define environ (*_NSGetEnviron())
34#endif
35
74cd30b8 36static const char *interp_prefix = CONFIG_QEMU_PREFIX;
c5937220 37const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
586314f2 38
3a4739d6 39#if defined(__i386__) && !defined(CONFIG_STATIC)
f801f97e
FB		 40/* Force usage of an ELF interpreter even if it is an ELF shared
41 object ! */
42const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
4304763b 43#endif
74cd30b8 44
93ac68bc 45/* for recent libc, we add these dummy symbols which are not declared
74cd30b8 46 when generating a linked object (bug in ld ?) */
fbf59244 47#if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
c6981055
FB		 48long __preinit_array_start[0];
49long __preinit_array_end[0];
74cd30b8
FB		 50long __init_array_start[0];
51long __init_array_end[0];
52long __fini_array_start[0];
53long __fini_array_end[0];
54#endif
55
9de5e440
FB		 56/* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
57 we allocate a bigger stack. Need a better solution, for example
58 by remapping the process stack directly at the right place */
59unsigned long x86_stack_size = 512 * 1024;
31e31b8a
FB		 60
61void gemu_log(const char *fmt, ...)
62{
63 va_list ap;
64
65 va_start(ap, fmt);
66 vfprintf(stderr, fmt, ap);
67 va_end(ap);
68}
69
61190b14 70void cpu_outb(CPUState *env, int addr, int val)
367e86e8
FB		 71{
72 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
73}
74
61190b14 75void cpu_outw(CPUState *env, int addr, int val)
367e86e8
FB		 76{
77 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
78}
79
61190b14 80void cpu_outl(CPUState *env, int addr, int val)
367e86e8
FB		 81{
82 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
83}
84
61190b14 85int cpu_inb(CPUState *env, int addr)
367e86e8
FB		 86{
87 fprintf(stderr, "inb: port=0x%04x\n", addr);
88 return 0;
89}
90
61190b14 91int cpu_inw(CPUState *env, int addr)
367e86e8
FB		 92{
93 fprintf(stderr, "inw: port=0x%04x\n", addr);
94 return 0;
95}
96
61190b14 97int cpu_inl(CPUState *env, int addr)
367e86e8
FB		 98{
99 fprintf(stderr, "inl: port=0x%04x\n", addr);
100 return 0;
101}
102
a541f297 103int cpu_get_pic_interrupt(CPUState *env)
92ccca6a
FB		 104{
105 return -1;
106}
107
28ab0e2e
FB		 108/* timers for rdtsc */
109
1dce7c3c 110#if 0
28ab0e2e
FB		 111
112static uint64_t emu_time;
113
114int64_t cpu_get_real_ticks(void)
115{
116 return emu_time++;
117}
118
119#endif
120
a541f297
FB		 121#ifdef TARGET_I386
122/***********************************************************/
123/* CPUX86 core interface */
124
02a1602e
FB		 125void cpu_smm_update(CPUState *env)
126{
127}
128
28ab0e2e
FB		 129uint64_t cpu_get_tsc(CPUX86State *env)
130{
131 return cpu_get_real_ticks();
132}
133
5fafdf24 134static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
f4beb510 135 int flags)
6dbad63e 136{
f4beb510 137 unsigned int e1, e2;
53a5960a 138 uint32_t *p;
6dbad63e
FB		 139 e1 = (addr << 16) | (limit & 0xffff);
140 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
f4beb510 141 e2 |= flags;
53a5960a
PB		 142 p = ptr;
143 p[0] = tswapl(e1);
144 p[1] = tswapl(e2);
f4beb510
FB		 145}
146
5fafdf24 147static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
f4beb510
FB		 148 unsigned long addr, unsigned int sel)
149{
150 unsigned int e1, e2;
53a5960a 151 uint32_t *p;
f4beb510
FB		 152 e1 = (addr & 0xffff) | (sel << 16);
153 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
53a5960a
PB		 154 p = ptr;
155 p[0] = tswapl(e1);
156 p[1] = tswapl(e2);
6dbad63e
FB		 157}
158
159uint64_t gdt_table[6];
f4beb510
FB		 160uint64_t idt_table[256];
161
162/* only dpl matters as we do only user space emulation */
163static void set_idt(int n, unsigned int dpl)
164{
165 set_gate(idt_table + n, 0, dpl, 0, 0);
166}
31e31b8a 167
89e957e7 168void cpu_loop(CPUX86State *env)
1b6b029e 169{
bc8a22cc 170 int trapnr;
80a9d035 171 target_ulong pc;
9de5e440 172 target_siginfo_t info;
851e67a1 173
1b6b029e 174 for(;;) {
bc8a22cc 175 trapnr = cpu_x86_exec(env);
bc8a22cc 176 switch(trapnr) {
f4beb510
FB		 177 case 0x80:
178 /* linux syscall */
5fafdf24
TS		 179 env->regs[R_EAX] = do_syscall(env,
180 env->regs[R_EAX],
f4beb510
FB		 181 env->regs[R_EBX],
182 env->regs[R_ECX],
183 env->regs[R_EDX],
184 env->regs[R_ESI],
185 env->regs[R_EDI],
186 env->regs[R_EBP]);
187 break;
188 case EXCP0B_NOSEG:
189 case EXCP0C_STACK:
190 info.si_signo = SIGBUS;
191 info.si_errno = 0;
192 info.si_code = TARGET_SI_KERNEL;
193 info._sifields._sigfault._addr = 0;
194 queue_signal(info.si_signo, &info);
195 break;
1b6b029e 196 case EXCP0D_GPF:
84409ddb 197#ifndef TARGET_X86_64
851e67a1 198 if (env->eflags & VM_MASK) {
89e957e7 199 handle_vm86_fault(env);
84409ddb
JM		 200 } else
201#endif
202 {
f4beb510
FB		 203 info.si_signo = SIGSEGV;
204 info.si_errno = 0;
205 info.si_code = TARGET_SI_KERNEL;
206 info._sifields._sigfault._addr = 0;
207 queue_signal(info.si_signo, &info);
1b6b029e
FB		 208 }
209 break;
b689bc57
FB		 210 case EXCP0E_PAGE:
211 info.si_signo = SIGSEGV;
212 info.si_errno = 0;
213 if (!(env->error_code & 1))
214 info.si_code = TARGET_SEGV_MAPERR;
215 else
216 info.si_code = TARGET_SEGV_ACCERR;
970a87a6 217 info._sifields._sigfault._addr = env->cr[2];
b689bc57
FB		 218 queue_signal(info.si_signo, &info);
219 break;
9de5e440 220 case EXCP00_DIVZ:
84409ddb 221#ifndef TARGET_X86_64
bc8a22cc 222 if (env->eflags & VM_MASK) {
447db213 223 handle_vm86_trap(env, trapnr);
84409ddb
JM		 224 } else
225#endif
226 {
bc8a22cc
FB		 227 /* division by zero */
228 info.si_signo = SIGFPE;
229 info.si_errno = 0;
230 info.si_code = TARGET_FPE_INTDIV;
231 info._sifields._sigfault._addr = env->eip;
232 queue_signal(info.si_signo, &info);
233 }
9de5e440 234 break;
447db213
FB		 235 case EXCP01_SSTP:
236 case EXCP03_INT3:
84409ddb 237#ifndef TARGET_X86_64
447db213
FB		 238 if (env->eflags & VM_MASK) {
239 handle_vm86_trap(env, trapnr);
84409ddb
JM		 240 } else
241#endif
242 {
447db213
FB		 243 info.si_signo = SIGTRAP;
244 info.si_errno = 0;
245 if (trapnr == EXCP01_SSTP) {
246 info.si_code = TARGET_TRAP_BRKPT;
247 info._sifields._sigfault._addr = env->eip;
248 } else {
249 info.si_code = TARGET_SI_KERNEL;
250 info._sifields._sigfault._addr = 0;
251 }
252 queue_signal(info.si_signo, &info);
253 }
254 break;
9de5e440
FB		 255 case EXCP04_INTO:
256 case EXCP05_BOUND:
84409ddb 257#ifndef TARGET_X86_64
bc8a22cc 258 if (env->eflags & VM_MASK) {
447db213 259 handle_vm86_trap(env, trapnr);
84409ddb
JM		 260 } else
261#endif
262 {
bc8a22cc
FB		 263 info.si_signo = SIGSEGV;
264 info.si_errno = 0;
b689bc57 265 info.si_code = TARGET_SI_KERNEL;
bc8a22cc
FB		 266 info._sifields._sigfault._addr = 0;
267 queue_signal(info.si_signo, &info);
268 }
9de5e440
FB		 269 break;
270 case EXCP06_ILLOP:
271 info.si_signo = SIGILL;
272 info.si_errno = 0;
273 info.si_code = TARGET_ILL_ILLOPN;
274 info._sifields._sigfault._addr = env->eip;
275 queue_signal(info.si_signo, &info);
276 break;
277 case EXCP_INTERRUPT:
278 /* just indicate that signals should be handled asap */
279 break;
1fddef4b
FB		 280 case EXCP_DEBUG:
281 {
282 int sig;
283
284 sig = gdb_handlesig (env, TARGET_SIGTRAP);
285 if (sig)
286 {
287 info.si_signo = sig;
288 info.si_errno = 0;
289 info.si_code = TARGET_TRAP_BRKPT;
290 queue_signal(info.si_signo, &info);
291 }
292 }
293 break;
1b6b029e 294 default:
970a87a6 295 pc = env->segs[R_CS].base + env->eip;
5fafdf24 296 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
bc8a22cc 297 (long)pc, trapnr);
1b6b029e
FB		 298 abort();
299 }
66fb9763 300 process_pending_signals(env);
1b6b029e
FB		 301 }
302}
b346ff46
FB		 303#endif
304
305#ifdef TARGET_ARM
306
6f1f31c0
FB		 307/* XXX: find a better solution */
308extern void tb_invalidate_page_range(target_ulong start, target_ulong end);
309
310static void arm_cache_flush(target_ulong start, target_ulong last)
311{
312 target_ulong addr, last1;
313
314 if (last < start)
315 return;
316 addr = start;
317 for(;;) {
318 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
319 if (last1 > last)
320 last1 = last;
321 tb_invalidate_page_range(addr, last1 + 1);
322 if (last1 == last)
323 break;
324 addr = last1 + 1;
325 }
326}
327
b346ff46
FB		 328void cpu_loop(CPUARMState *env)
329{
330 int trapnr;
331 unsigned int n, insn;
332 target_siginfo_t info;
b5ff1b31 333 uint32_t addr;
3b46e624 334
b346ff46
FB		 335 for(;;) {
336 trapnr = cpu_arm_exec(env);
337 switch(trapnr) {
338 case EXCP_UDEF:
c6981055
FB		 339 {
340 TaskState *ts = env->opaque;
341 uint32_t opcode;
342
343 /* we handle the FPU emulation here, as Linux */
344 /* we get the opcode */
53a5960a 345 opcode = tget32(env->regs[15]);
3b46e624 346
19b045de 347 if (EmulateAll(opcode, &ts->fpa, env) == 0) {
c6981055
FB		 348 info.si_signo = SIGILL;
349 info.si_errno = 0;
350 info.si_code = TARGET_ILL_ILLOPN;
351 info._sifields._sigfault._addr = env->regs[15];
352 queue_signal(info.si_signo, &info);
353 } else {
354 /* increment PC */
355 env->regs[15] += 4;
356 }
357 }
b346ff46
FB		 358 break;
359 case EXCP_SWI:
06c949e6 360 case EXCP_BKPT:
b346ff46 361 {
ce4defa0 362 env->eabi = 1;
b346ff46 363 /* system call */
06c949e6
PB		 364 if (trapnr == EXCP_BKPT) {
365 if (env->thumb) {
53a5960a 366 insn = tget16(env->regs[15]);
06c949e6
PB		 367 n = insn & 0xff;
368 env->regs[15] += 2;
369 } else {
53a5960a 370 insn = tget32(env->regs[15]);
06c949e6
PB		 371 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
372 env->regs[15] += 4;
373 }
192c7bd9 374 } else {
06c949e6 375 if (env->thumb) {
53a5960a 376 insn = tget16(env->regs[15] - 2);
06c949e6
PB		 377 n = insn & 0xff;
378 } else {
53a5960a 379 insn = tget32(env->regs[15] - 4);
06c949e6
PB		 380 n = insn & 0xffffff;
381 }
192c7bd9
FB		 382 }
383
6f1f31c0
FB		 384 if (n == ARM_NR_cacheflush) {
385 arm_cache_flush(env->regs[0], env->regs[1]);
a4f81979
FB		 386 } else if (n == ARM_NR_semihosting
387 || n == ARM_NR_thumb_semihosting) {
388 env->regs[0] = do_arm_semihosting (env);
ce4defa0 389 } else if (n == 0 || n >= ARM_SYSCALL_BASE
192c7bd9 390 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
b346ff46 391 /* linux syscall */
ce4defa0 392 if (env->thumb || n == 0) {
192c7bd9
FB		 393 n = env->regs[7];
394 } else {
395 n -= ARM_SYSCALL_BASE;
ce4defa0 396 env->eabi = 0;
192c7bd9 397 }
5fafdf24
TS		 398 env->regs[0] = do_syscall(env,
399 n,
b346ff46
FB		 400 env->regs[0],
401 env->regs[1],
402 env->regs[2],
403 env->regs[3],
404 env->regs[4],
e1a2849c 405 env->regs[5]);
b346ff46
FB		 406 } else {
407 goto error;
408 }
409 }
410 break;
43fff238
FB		 411 case EXCP_INTERRUPT:
412 /* just indicate that signals should be handled asap */
413 break;
68016c62 414 case EXCP_PREFETCH_ABORT:
b5ff1b31
FB		 415 addr = env->cp15.c6_data;
416 goto do_segv;
68016c62 417 case EXCP_DATA_ABORT:
b5ff1b31
FB		 418 addr = env->cp15.c6_insn;
419 goto do_segv;
420 do_segv:
68016c62
FB		 421 {
422 info.si_signo = SIGSEGV;
423 info.si_errno = 0;
424 /* XXX: check env->error_code */
425 info.si_code = TARGET_SEGV_MAPERR;
b5ff1b31 426 info._sifields._sigfault._addr = addr;
68016c62
FB		 427 queue_signal(info.si_signo, &info);
428 }
429 break;
1fddef4b
FB		 430 case EXCP_DEBUG:
431 {
432 int sig;
433
434 sig = gdb_handlesig (env, TARGET_SIGTRAP);
435 if (sig)
436 {
437 info.si_signo = sig;
438 info.si_errno = 0;
439 info.si_code = TARGET_TRAP_BRKPT;
440 queue_signal(info.si_signo, &info);
441 }
442 }
443 break;
b346ff46
FB		 444 default:
445 error:
5fafdf24 446 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
b346ff46 447 trapnr);
7fe48483 448 cpu_dump_state(env, stderr, fprintf, 0);
b346ff46
FB		 449 abort();
450 }
451 process_pending_signals(env);
452 }
453}
454
455#endif
1b6b029e 456
93ac68bc
FB		 457#ifdef TARGET_SPARC
458
060366c5
FB		 459//#define DEBUG_WIN
460
2623cbaf
FB		 461/* WARNING: dealing with register windows _is_ complicated. More info
462 can be found at http://www.sics.se/~psm/sparcstack.html */
060366c5
FB		 463static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
464{
465 index = (index + cwp * 16) & (16 * NWINDOWS - 1);
466 /* wrap handling : if cwp is on the last window, then we use the
467 registers 'after' the end */
468 if (index < 8 && env->cwp == (NWINDOWS - 1))
469 index += (16 * NWINDOWS);
470 return index;
471}
472
2623cbaf
FB		 473/* save the register window 'cwp1' */
474static inline void save_window_offset(CPUSPARCState *env, int cwp1)
060366c5 475{
2623cbaf 476 unsigned int i;
53a5960a 477 target_ulong sp_ptr;
3b46e624 478
53a5960a 479 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5 480#if defined(DEBUG_WIN)
5fafdf24 481 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
060366c5
FB		 482 (int)sp_ptr, cwp1);
483#endif
2623cbaf 484 for(i = 0; i < 16; i++) {
53a5960a
PB		 485 tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
486 sp_ptr += sizeof(target_ulong);
2623cbaf 487 }
060366c5
FB		 488}
489
490static void save_window(CPUSPARCState *env)
491{
5ef54116 492#ifndef TARGET_SPARC64
2623cbaf
FB		 493 unsigned int new_wim;
494 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
495 ((1LL << NWINDOWS) - 1);
496 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
497 env->wim = new_wim;
5ef54116
FB		 498#else
499 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
500 env->cansave++;
501 env->canrestore--;
502#endif
060366c5
FB		 503}
504
505static void restore_window(CPUSPARCState *env)
506{
507 unsigned int new_wim, i, cwp1;
53a5960a 508 target_ulong sp_ptr;
3b46e624 509
060366c5
FB		 510 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
511 ((1LL << NWINDOWS) - 1);
3b46e624 512
060366c5
FB		 513 /* restore the invalid window */
514 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
53a5960a 515 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5 516#if defined(DEBUG_WIN)
5fafdf24 517 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
060366c5
FB		 518 (int)sp_ptr, cwp1);
519#endif
2623cbaf 520 for(i = 0; i < 16; i++) {
53a5960a
PB		 521 env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
522 sp_ptr += sizeof(target_ulong);
2623cbaf 523 }
060366c5 524 env->wim = new_wim;
5ef54116
FB		 525#ifdef TARGET_SPARC64
526 env->canrestore++;
527 if (env->cleanwin < NWINDOWS - 1)
528 env->cleanwin++;
529 env->cansave--;
530#endif
060366c5
FB		 531}
532
533static void flush_windows(CPUSPARCState *env)
534{
535 int offset, cwp1;
2623cbaf
FB		 536
537 offset = 1;
060366c5
FB		 538 for(;;) {
539 /* if restore would invoke restore_window(), then we can stop */
2623cbaf 540 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
060366c5
FB		 541 if (env->wim & (1 << cwp1))
542 break;
2623cbaf 543 save_window_offset(env, cwp1);
060366c5
FB		 544 offset++;
545 }
2623cbaf
FB		 546 /* set wim so that restore will reload the registers */
547 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
548 env->wim = 1 << cwp1;
549#if defined(DEBUG_WIN)
550 printf("flush_windows: nb=%d\n", offset - 1);
80a9d035 551#endif
2623cbaf 552}
060366c5 553
93ac68bc
FB		 554void cpu_loop (CPUSPARCState *env)
555{
060366c5 556 int trapnr, ret;
61ff6f58 557 target_siginfo_t info;
3b46e624 558
060366c5
FB		 559 while (1) {
560 trapnr = cpu_sparc_exec (env);
3b46e624 561
060366c5 562 switch (trapnr) {
5ef54116 563#ifndef TARGET_SPARC64
5fafdf24 564 case 0x88:
060366c5 565 case 0x90:
5ef54116
FB		 566#else
567 case 0x16d:
568#endif
060366c5 569 ret = do_syscall (env, env->gregs[1],
5fafdf24
TS		 570 env->regwptr[0], env->regwptr[1],
571 env->regwptr[2], env->regwptr[3],
060366c5
FB		 572 env->regwptr[4], env->regwptr[5]);
573 if ((unsigned int)ret >= (unsigned int)(-515)) {
27908725
FB		 574#ifdef TARGET_SPARC64
575 env->xcc |= PSR_CARRY;
576#else
060366c5 577 env->psr |= PSR_CARRY;
27908725 578#endif
060366c5
FB		 579 ret = -ret;
580 } else {
27908725
FB		 581#ifdef TARGET_SPARC64
582 env->xcc &= ~PSR_CARRY;
583#else
060366c5 584 env->psr &= ~PSR_CARRY;
27908725 585#endif
060366c5
FB		 586 }
587 env->regwptr[0] = ret;
588 /* next instruction */
589 env->pc = env->npc;
590 env->npc = env->npc + 4;
591 break;
592 case 0x83: /* flush windows */
2623cbaf 593 flush_windows(env);
060366c5
FB		 594 /* next instruction */
595 env->pc = env->npc;
596 env->npc = env->npc + 4;
597 break;
3475187d 598#ifndef TARGET_SPARC64
060366c5
FB		 599 case TT_WIN_OVF: /* window overflow */
600 save_window(env);
601 break;
602 case TT_WIN_UNF: /* window underflow */
603 restore_window(env);
604 break;
61ff6f58
FB		 605 case TT_TFAULT:
606 case TT_DFAULT:
607 {
608 info.si_signo = SIGSEGV;
609 info.si_errno = 0;
610 /* XXX: check env->error_code */
611 info.si_code = TARGET_SEGV_MAPERR;
612 info._sifields._sigfault._addr = env->mmuregs[4];
613 queue_signal(info.si_signo, &info);
614 }
615 break;
3475187d 616#else
5ef54116
FB		 617 case TT_SPILL: /* window overflow */
618 save_window(env);
619 break;
620 case TT_FILL: /* window underflow */
621 restore_window(env);
622 break;
7f84a729
BS		 623 case TT_TFAULT:
624 case TT_DFAULT:
625 {
626 info.si_signo = SIGSEGV;
627 info.si_errno = 0;
628 /* XXX: check env->error_code */
629 info.si_code = TARGET_SEGV_MAPERR;
630 if (trapnr == TT_DFAULT)
631 info._sifields._sigfault._addr = env->dmmuregs[4];
632 else
633 info._sifields._sigfault._addr = env->tpc[env->tl];
634 queue_signal(info.si_signo, &info);
635 }
636 break;
3475187d 637#endif
48dc41eb
FB		 638 case EXCP_INTERRUPT:
639 /* just indicate that signals should be handled asap */
640 break;
1fddef4b
FB		 641 case EXCP_DEBUG:
642 {
643 int sig;
644
645 sig = gdb_handlesig (env, TARGET_SIGTRAP);
646 if (sig)
647 {
648 info.si_signo = sig;
649 info.si_errno = 0;
650 info.si_code = TARGET_TRAP_BRKPT;
651 queue_signal(info.si_signo, &info);
652 }
653 }
654 break;
060366c5
FB		 655 default:
656 printf ("Unhandled trap: 0x%x\n", trapnr);
7fe48483 657 cpu_dump_state(env, stderr, fprintf, 0);
060366c5
FB		 658 exit (1);
659 }
660 process_pending_signals (env);
661 }
93ac68bc
FB		 662}
663
664#endif
665
67867308 666#ifdef TARGET_PPC
9fddaa0c
FB		 667
668static inline uint64_t cpu_ppc_get_tb (CPUState *env)
669{
670 /* TO FIX */
671 return 0;
672}
3b46e624 673
9fddaa0c
FB		 674uint32_t cpu_ppc_load_tbl (CPUState *env)
675{
676 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
677}
3b46e624 678
9fddaa0c
FB		 679uint32_t cpu_ppc_load_tbu (CPUState *env)
680{
681 return cpu_ppc_get_tb(env) >> 32;
682}
3b46e624 683
9fddaa0c
FB		 684static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
685{
686 /* TO FIX */
687}
688
689void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
690{
691 cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
692}
5fafdf24 693
9fddaa0c
FB		 694void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
695{
696 cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
697}
76a66253
JM		 698
699void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value)
700__attribute__ (( alias ("cpu_ppc_store_tbu") ));
701
702uint32_t cpu_ppc601_load_rtcu (CPUState *env)
703__attribute__ (( alias ("cpu_ppc_load_tbu") ));
704
705void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value)
9fddaa0c 706{
76a66253 707 cpu_ppc_store_tbl(env, value & 0x3FFFFF80);
9fddaa0c 708}
76a66253
JM		 709
710uint32_t cpu_ppc601_load_rtcl (CPUState *env)
9fddaa0c 711{
76a66253 712 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
9fddaa0c 713}
76a66253 714
a750fc0b
JM		 715/* XXX: to be fixed */
716int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
717{
718 return -1;
719}
720
721int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
722{
723 return -1;
724}
725
e1833e1f
JM		 726#define EXCP_DUMP(env, fmt, args...) \
727do { \
728 fprintf(stderr, fmt , ##args); \
729 cpu_dump_state(env, stderr, fprintf, 0); \
730 if (loglevel != 0) { \
731 fprintf(logfile, fmt , ##args); \
732 cpu_dump_state(env, logfile, fprintf, 0); \
733 } \
734} while (0)
735
67867308
FB		 736void cpu_loop(CPUPPCState *env)
737{
67867308 738 target_siginfo_t info;
61190b14
FB		 739 int trapnr;
740 uint32_t ret;
3b46e624 741
67867308
FB		 742 for(;;) {
743 trapnr = cpu_ppc_exec(env);
744 switch(trapnr) {
e1833e1f
JM		 745 case POWERPC_EXCP_NONE:
746 /* Just go on */
67867308 747 break;
e1833e1f
JM		 748 case POWERPC_EXCP_CRITICAL: /* Critical input */
749 cpu_abort(env, "Critical interrupt while in user mode. "
750 "Aborting\n");
61190b14 751 break;
e1833e1f
JM		 752 case POWERPC_EXCP_MCHECK: /* Machine check exception */
753 cpu_abort(env, "Machine check exception while in user mode. "
754 "Aborting\n");
755 break;
756 case POWERPC_EXCP_DSI: /* Data storage exception */
757 EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
758 env->spr[SPR_DAR]);
759 /* XXX: check this. Seems bugged */
2be0071f
FB		 760 switch (env->error_code & 0xFF000000) {
761 case 0x40000000:
61190b14
FB		 762 info.si_signo = TARGET_SIGSEGV;
763 info.si_errno = 0;
764 info.si_code = TARGET_SEGV_MAPERR;
765 break;
2be0071f 766 case 0x04000000:
61190b14
FB		 767 info.si_signo = TARGET_SIGILL;
768 info.si_errno = 0;
769 info.si_code = TARGET_ILL_ILLADR;
770 break;
2be0071f 771 case 0x08000000:
61190b14
FB		 772 info.si_signo = TARGET_SIGSEGV;
773 info.si_errno = 0;
774 info.si_code = TARGET_SEGV_ACCERR;
775 break;
61190b14
FB		 776 default:
777 /* Let's send a regular segfault... */
e1833e1f
JM		 778 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
779 env->error_code);
61190b14
FB		 780 info.si_signo = TARGET_SIGSEGV;
781 info.si_errno = 0;
782 info.si_code = TARGET_SEGV_MAPERR;
783 break;
784 }
67867308
FB		 785 info._sifields._sigfault._addr = env->nip;
786 queue_signal(info.si_signo, &info);
787 break;
e1833e1f
JM		 788 case POWERPC_EXCP_ISI: /* Instruction storage exception */
789 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
790 env->spr[SPR_DAR]);
791 /* XXX: check this */
2be0071f
FB		 792 switch (env->error_code & 0xFF000000) {
793 case 0x40000000:
61190b14 794 info.si_signo = TARGET_SIGSEGV;
67867308 795 info.si_errno = 0;
61190b14
FB		 796 info.si_code = TARGET_SEGV_MAPERR;
797 break;
2be0071f
FB		 798 case 0x10000000:
799 case 0x08000000:
61190b14
FB		 800 info.si_signo = TARGET_SIGSEGV;
801 info.si_errno = 0;
802 info.si_code = TARGET_SEGV_ACCERR;
803 break;
804 default:
805 /* Let's send a regular segfault... */
e1833e1f
JM		 806 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
807 env->error_code);
61190b14
FB		 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;
e1833e1f
JM		 816 case POWERPC_EXCP_EXTERNAL: /* External input */
817 cpu_abort(env, "External interrupt while in user mode. "
818 "Aborting\n");
819 break;
820 case POWERPC_EXCP_ALIGN: /* Alignment exception */
821 EXCP_DUMP(env, "Unaligned memory access\n");
822 /* XXX: check this */
61190b14 823 info.si_signo = TARGET_SIGBUS;
67867308 824 info.si_errno = 0;
61190b14
FB		 825 info.si_code = TARGET_BUS_ADRALN;
826 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 827 queue_signal(info.si_signo, &info);
828 break;
e1833e1f
JM		 829 case POWERPC_EXCP_PROGRAM: /* Program exception */
830 /* XXX: check this */
61190b14 831 switch (env->error_code & ~0xF) {
e1833e1f
JM		 832 case POWERPC_EXCP_FP:
833 EXCP_DUMP(env, "Floating point program exception\n");
61190b14
FB		 834 /* Set FX */
835 env->fpscr[7] |= 0x8;
836 /* Finally, update FEX */
837 if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
838 ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
839 env->fpscr[7] |= 0x4;
840 info.si_signo = TARGET_SIGFPE;
841 info.si_errno = 0;
842 switch (env->error_code & 0xF) {
e1833e1f 843 case POWERPC_EXCP_FP_OX:
61190b14
FB		 844 info.si_code = TARGET_FPE_FLTOVF;
845 break;
e1833e1f 846 case POWERPC_EXCP_FP_UX:
61190b14
FB		 847 info.si_code = TARGET_FPE_FLTUND;
848 break;
e1833e1f
JM		 849 case POWERPC_EXCP_FP_ZX:
850 case POWERPC_EXCP_FP_VXZDZ:
61190b14
FB		 851 info.si_code = TARGET_FPE_FLTDIV;
852 break;
e1833e1f 853 case POWERPC_EXCP_FP_XX:
61190b14
FB		 854 info.si_code = TARGET_FPE_FLTRES;
855 break;
e1833e1f 856 case POWERPC_EXCP_FP_VXSOFT:
61190b14
FB		 857 info.si_code = TARGET_FPE_FLTINV;
858 break;
e1833e1f
JM		 859 case POWERPC_EXCP_FP_VXNAN:
860 case POWERPC_EXCP_FP_VXISI:
861 case POWERPC_EXCP_FP_VXIDI:
862 case POWERPC_EXCP_FP_VXIMZ:
863 case POWERPC_EXCP_FP_VXVC:
864 case POWERPC_EXCP_FP_VXSQRT:
865 case POWERPC_EXCP_FP_VXCVI:
61190b14
FB		 866 info.si_code = TARGET_FPE_FLTSUB;
867 break;
868 default:
e1833e1f
JM		 869 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
870 env->error_code);
871 break;
61190b14 872 }
e1833e1f
JM		 873 break;
874 case POWERPC_EXCP_INVAL:
875 EXCP_DUMP(env, "Invalid instruction\n");
61190b14
FB		 876 info.si_signo = TARGET_SIGILL;
877 info.si_errno = 0;
878 switch (env->error_code & 0xF) {
e1833e1f 879 case POWERPC_EXCP_INVAL_INVAL:
61190b14
FB		 880 info.si_code = TARGET_ILL_ILLOPC;
881 break;
e1833e1f 882 case POWERPC_EXCP_INVAL_LSWX:
a750fc0b 883 info.si_code = TARGET_ILL_ILLOPN;
61190b14 884 break;
e1833e1f 885 case POWERPC_EXCP_INVAL_SPR:
61190b14
FB		 886 info.si_code = TARGET_ILL_PRVREG;
887 break;
e1833e1f 888 case POWERPC_EXCP_INVAL_FP:
61190b14
FB		 889 info.si_code = TARGET_ILL_COPROC;
890 break;
891 default:
e1833e1f
JM		 892 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
893 env->error_code & 0xF);
61190b14
FB		 894 info.si_code = TARGET_ILL_ILLADR;
895 break;
896 }
897 break;
e1833e1f
JM		 898 case POWERPC_EXCP_PRIV:
899 EXCP_DUMP(env, "Privilege violation\n");
61190b14
FB		 900 info.si_signo = TARGET_SIGILL;
901 info.si_errno = 0;
902 switch (env->error_code & 0xF) {
e1833e1f 903 case POWERPC_EXCP_PRIV_OPC:
61190b14
FB		 904 info.si_code = TARGET_ILL_PRVOPC;
905 break;
e1833e1f 906 case POWERPC_EXCP_PRIV_REG:
61190b14 907 info.si_code = TARGET_ILL_PRVREG;
e1833e1f 908 break;
61190b14 909 default:
e1833e1f
JM		 910 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
911 env->error_code & 0xF);
61190b14
FB		 912 info.si_code = TARGET_ILL_PRVOPC;
913 break;
914 }
915 break;
e1833e1f
JM		 916 case POWERPC_EXCP_TRAP:
917 cpu_abort(env, "Tried to call a TRAP\n");
918 break;
61190b14
FB		 919 default:
920 /* Should not happen ! */
e1833e1f
JM		 921 cpu_abort(env, "Unknown program exception (%02x)\n",
922 env->error_code);
923 break;
61190b14
FB		 924 }
925 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 926 queue_signal(info.si_signo, &info);
927 break;
e1833e1f
JM		 928 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
929 EXCP_DUMP(env, "No floating point allowed\n");
61190b14 930 info.si_signo = TARGET_SIGILL;
67867308 931 info.si_errno = 0;
61190b14
FB		 932 info.si_code = TARGET_ILL_COPROC;
933 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 934 queue_signal(info.si_signo, &info);
935 break;
e1833e1f
JM		 936 case POWERPC_EXCP_SYSCALL: /* System call exception */
937 cpu_abort(env, "Syscall exception while in user mode. "
938 "Aborting\n");
61190b14 939 break;
e1833e1f
JM		 940 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
941 EXCP_DUMP(env, "No APU instruction allowed\n");
942 info.si_signo = TARGET_SIGILL;
943 info.si_errno = 0;
944 info.si_code = TARGET_ILL_COPROC;
945 info._sifields._sigfault._addr = env->nip - 4;
946 queue_signal(info.si_signo, &info);
61190b14 947 break;
e1833e1f
JM		 948 case POWERPC_EXCP_DECR: /* Decrementer exception */
949 cpu_abort(env, "Decrementer interrupt while in user mode. "
950 "Aborting\n");
61190b14 951 break;
e1833e1f
JM		 952 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
953 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
954 "Aborting\n");
955 break;
956 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
957 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
958 "Aborting\n");
959 break;
960 case POWERPC_EXCP_DTLB: /* Data TLB error */
961 cpu_abort(env, "Data TLB exception while in user mode. "
962 "Aborting\n");
963 break;
964 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
965 cpu_abort(env, "Instruction TLB exception while in user mode. "
966 "Aborting\n");
967 break;
968 case POWERPC_EXCP_DEBUG: /* Debug interrupt */
969 /* XXX: check this */
1fddef4b
FB		 970 {
971 int sig;
972
e1833e1f
JM		 973 sig = gdb_handlesig(env, TARGET_SIGTRAP);
974 if (sig) {
1fddef4b
FB		 975 info.si_signo = sig;
976 info.si_errno = 0;
977 info.si_code = TARGET_TRAP_BRKPT;
978 queue_signal(info.si_signo, &info);
979 }
980 }
981 break;
e1833e1f
JM		 982#if defined(TARGET_PPCEMB)
983 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
984 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
985 info.si_signo = TARGET_SIGILL;
986 info.si_errno = 0;
987 info.si_code = TARGET_ILL_COPROC;
988 info._sifields._sigfault._addr = env->nip - 4;
989 queue_signal(info.si_signo, &info);
990 break;
991 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
992 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
993 break;
994 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
995 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
996 break;
997 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
998 cpu_abort(env, "Performance monitor exception not handled\n");
999 break;
1000 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
1001 cpu_abort(env, "Doorbell interrupt while in user mode. "
1002 "Aborting\n");
1003 break;
1004 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1005 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1006 "Aborting\n");
1007 break;
1008 case POWERPC_EXCP_RESET: /* System reset exception */
1009 cpu_abort(env, "Reset interrupt while in user mode. "
1010 "Aborting\n");
1011 break;
1012#endif /* defined(TARGET_PPCEMB) */
1013#if defined(TARGET_PPC64) /* PowerPC 64 */
1014 case POWERPC_EXCP_DSEG: /* Data segment exception */
1015 cpu_abort(env, "Data segment exception while in user mode. "
1016 "Aborting\n");
1017 break;
1018 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1019 cpu_abort(env, "Instruction segment exception "
1020 "while in user mode. Aborting\n");
1021 break;
1022#endif /* defined(TARGET_PPC64) */
1023#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */
1024 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1025 cpu_abort(env, "Hypervisor decrementer interrupt "
1026 "while in user mode. Aborting\n");
1027 break;
1028#endif /* defined(TARGET_PPC64H) */
1029 case POWERPC_EXCP_TRACE: /* Trace exception */
1030 /* Nothing to do:
1031 * we use this exception to emulate step-by-step execution mode.
1032 */
1033 break;
1034#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */
1035 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1036 cpu_abort(env, "Hypervisor data storage exception "
1037 "while in user mode. Aborting\n");
1038 break;
1039 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1040 cpu_abort(env, "Hypervisor instruction storage exception "
1041 "while in user mode. Aborting\n");
1042 break;
1043 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1044 cpu_abort(env, "Hypervisor data segment exception "
1045 "while in user mode. Aborting\n");
1046 break;
1047 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1048 cpu_abort(env, "Hypervisor instruction segment exception "
1049 "while in user mode. Aborting\n");
1050 break;
1051#endif /* defined(TARGET_PPC64H) */
1052 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1053 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1054 info.si_signo = TARGET_SIGILL;
1055 info.si_errno = 0;
1056 info.si_code = TARGET_ILL_COPROC;
1057 info._sifields._sigfault._addr = env->nip - 4;
1058 queue_signal(info.si_signo, &info);
1059 break;
1060 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1061 cpu_abort(env, "Programable interval timer interrupt "
1062 "while in user mode. Aborting\n");
1063 break;
1064 case POWERPC_EXCP_IO: /* IO error exception */
1065 cpu_abort(env, "IO error exception while in user mode. "
1066 "Aborting\n");
1067 break;
1068 case POWERPC_EXCP_RUNM: /* Run mode exception */
1069 cpu_abort(env, "Run mode exception while in user mode. "
1070 "Aborting\n");
1071 break;
1072 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1073 cpu_abort(env, "Emulation trap exception not handled\n");
1074 break;
1075 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1076 cpu_abort(env, "Instruction fetch TLB exception "
1077 "while in user-mode. Aborting");
1078 break;
1079 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1080 cpu_abort(env, "Data load TLB exception while in user-mode. "
1081 "Aborting");
1082 break;
1083 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1084 cpu_abort(env, "Data store TLB exception while in user-mode. "
1085 "Aborting");
1086 break;
1087 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1088 cpu_abort(env, "Floating-point assist exception not handled\n");
1089 break;
1090 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1091 cpu_abort(env, "Instruction address breakpoint exception "
1092 "not handled\n");
1093 break;
1094 case POWERPC_EXCP_SMI: /* System management interrupt */
1095 cpu_abort(env, "System management interrupt while in user mode. "
1096 "Aborting\n");
1097 break;
1098 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1099 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1100 "Aborting\n");
1101 break;
1102 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1103 cpu_abort(env, "Performance monitor exception not handled\n");
1104 break;
1105 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1106 cpu_abort(env, "Vector assist exception not handled\n");
1107 break;
1108 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1109 cpu_abort(env, "Soft patch exception not handled\n");
1110 break;
1111 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1112 cpu_abort(env, "Maintenance exception while in user mode. "
1113 "Aborting\n");
1114 break;
1115 case POWERPC_EXCP_STOP: /* stop translation */
1116 /* We did invalidate the instruction cache. Go on */
1117 break;
1118 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1119 /* We just stopped because of a branch. Go on */
1120 break;
1121 case POWERPC_EXCP_SYSCALL_USER:
1122 /* system call in user-mode emulation */
1123 /* WARNING:
1124 * PPC ABI uses overflow flag in cr0 to signal an error
1125 * in syscalls.
1126 */
1127#if 0
1128 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1129 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1130#endif
1131 env->crf[0] &= ~0x1;
1132 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1133 env->gpr[5], env->gpr[6], env->gpr[7],
1134 env->gpr[8]);
1135 if (ret > (uint32_t)(-515)) {
1136 env->crf[0] |= 0x1;
1137 ret = -ret;
61190b14 1138 }
e1833e1f
JM		 1139 env->gpr[3] = ret;
1140#if 0
1141 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1142#endif
1143 break;
1144 default:
1145 cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1146 break;
67867308
FB		 1147 }
1148 process_pending_signals(env);
1149 }
1150}
1151#endif
1152
048f6b4d
FB		 1153#ifdef TARGET_MIPS
1154
1155#define MIPS_SYS(name, args) args,
1156
1157static const uint8_t mips_syscall_args[] = {
1158 MIPS_SYS(sys_syscall , 0) /* 4000 */
1159 MIPS_SYS(sys_exit , 1)
1160 MIPS_SYS(sys_fork , 0)
1161 MIPS_SYS(sys_read , 3)
1162 MIPS_SYS(sys_write , 3)
1163 MIPS_SYS(sys_open , 3) /* 4005 */
1164 MIPS_SYS(sys_close , 1)
1165 MIPS_SYS(sys_waitpid , 3)
1166 MIPS_SYS(sys_creat , 2)
1167 MIPS_SYS(sys_link , 2)
1168 MIPS_SYS(sys_unlink , 1) /* 4010 */
1169 MIPS_SYS(sys_execve , 0)
1170 MIPS_SYS(sys_chdir , 1)
1171 MIPS_SYS(sys_time , 1)
1172 MIPS_SYS(sys_mknod , 3)
1173 MIPS_SYS(sys_chmod , 2) /* 4015 */
1174 MIPS_SYS(sys_lchown , 3)
1175 MIPS_SYS(sys_ni_syscall , 0)
1176 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1177 MIPS_SYS(sys_lseek , 3)
1178 MIPS_SYS(sys_getpid , 0) /* 4020 */
1179 MIPS_SYS(sys_mount , 5)
1180 MIPS_SYS(sys_oldumount , 1)
1181 MIPS_SYS(sys_setuid , 1)
1182 MIPS_SYS(sys_getuid , 0)
1183 MIPS_SYS(sys_stime , 1) /* 4025 */
1184 MIPS_SYS(sys_ptrace , 4)
1185 MIPS_SYS(sys_alarm , 1)
1186 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1187 MIPS_SYS(sys_pause , 0)
1188 MIPS_SYS(sys_utime , 2) /* 4030 */
1189 MIPS_SYS(sys_ni_syscall , 0)
1190 MIPS_SYS(sys_ni_syscall , 0)
1191 MIPS_SYS(sys_access , 2)
1192 MIPS_SYS(sys_nice , 1)
1193 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1194 MIPS_SYS(sys_sync , 0)
1195 MIPS_SYS(sys_kill , 2)
1196 MIPS_SYS(sys_rename , 2)
1197 MIPS_SYS(sys_mkdir , 2)
1198 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1199 MIPS_SYS(sys_dup , 1)
1200 MIPS_SYS(sys_pipe , 0)
1201 MIPS_SYS(sys_times , 1)
1202 MIPS_SYS(sys_ni_syscall , 0)
1203 MIPS_SYS(sys_brk , 1) /* 4045 */
1204 MIPS_SYS(sys_setgid , 1)
1205 MIPS_SYS(sys_getgid , 0)
1206 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1207 MIPS_SYS(sys_geteuid , 0)
1208 MIPS_SYS(sys_getegid , 0) /* 4050 */
1209 MIPS_SYS(sys_acct , 0)
1210 MIPS_SYS(sys_umount , 2)
1211 MIPS_SYS(sys_ni_syscall , 0)
1212 MIPS_SYS(sys_ioctl , 3)
1213 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1214 MIPS_SYS(sys_ni_syscall , 2)
1215 MIPS_SYS(sys_setpgid , 2)
1216 MIPS_SYS(sys_ni_syscall , 0)
1217 MIPS_SYS(sys_olduname , 1)
1218 MIPS_SYS(sys_umask , 1) /* 4060 */
1219 MIPS_SYS(sys_chroot , 1)
1220 MIPS_SYS(sys_ustat , 2)
1221 MIPS_SYS(sys_dup2 , 2)
1222 MIPS_SYS(sys_getppid , 0)
1223 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1224 MIPS_SYS(sys_setsid , 0)
1225 MIPS_SYS(sys_sigaction , 3)
1226 MIPS_SYS(sys_sgetmask , 0)
1227 MIPS_SYS(sys_ssetmask , 1)
1228 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1229 MIPS_SYS(sys_setregid , 2)
1230 MIPS_SYS(sys_sigsuspend , 0)
1231 MIPS_SYS(sys_sigpending , 1)
1232 MIPS_SYS(sys_sethostname , 2)
1233 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1234 MIPS_SYS(sys_getrlimit , 2)
1235 MIPS_SYS(sys_getrusage , 2)
1236 MIPS_SYS(sys_gettimeofday, 2)
1237 MIPS_SYS(sys_settimeofday, 2)
1238 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1239 MIPS_SYS(sys_setgroups , 2)
1240 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1241 MIPS_SYS(sys_symlink , 2)
1242 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1243 MIPS_SYS(sys_readlink , 3) /* 4085 */
1244 MIPS_SYS(sys_uselib , 1)
1245 MIPS_SYS(sys_swapon , 2)
1246 MIPS_SYS(sys_reboot , 3)
1247 MIPS_SYS(old_readdir , 3)
1248 MIPS_SYS(old_mmap , 6) /* 4090 */
1249 MIPS_SYS(sys_munmap , 2)
1250 MIPS_SYS(sys_truncate , 2)
1251 MIPS_SYS(sys_ftruncate , 2)
1252 MIPS_SYS(sys_fchmod , 2)
1253 MIPS_SYS(sys_fchown , 3) /* 4095 */
1254 MIPS_SYS(sys_getpriority , 2)
1255 MIPS_SYS(sys_setpriority , 3)
1256 MIPS_SYS(sys_ni_syscall , 0)
1257 MIPS_SYS(sys_statfs , 2)
1258 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1259 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1260 MIPS_SYS(sys_socketcall , 2)
1261 MIPS_SYS(sys_syslog , 3)
1262 MIPS_SYS(sys_setitimer , 3)
1263 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1264 MIPS_SYS(sys_newstat , 2)
1265 MIPS_SYS(sys_newlstat , 2)
1266 MIPS_SYS(sys_newfstat , 2)
1267 MIPS_SYS(sys_uname , 1)
1268 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1269 MIPS_SYS(sys_vhangup , 0)
1270 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1271 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1272 MIPS_SYS(sys_wait4 , 4)
1273 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1274 MIPS_SYS(sys_sysinfo , 1)
1275 MIPS_SYS(sys_ipc , 6)
1276 MIPS_SYS(sys_fsync , 1)
1277 MIPS_SYS(sys_sigreturn , 0)
1278 MIPS_SYS(sys_clone , 0) /* 4120 */
1279 MIPS_SYS(sys_setdomainname, 2)
1280 MIPS_SYS(sys_newuname , 1)
1281 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1282 MIPS_SYS(sys_adjtimex , 1)
1283 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1284 MIPS_SYS(sys_sigprocmask , 3)
1285 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1286 MIPS_SYS(sys_init_module , 5)
1287 MIPS_SYS(sys_delete_module, 1)
1288 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1289 MIPS_SYS(sys_quotactl , 0)
1290 MIPS_SYS(sys_getpgid , 1)
1291 MIPS_SYS(sys_fchdir , 1)
1292 MIPS_SYS(sys_bdflush , 2)
1293 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1294 MIPS_SYS(sys_personality , 1)
1295 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1296 MIPS_SYS(sys_setfsuid , 1)
1297 MIPS_SYS(sys_setfsgid , 1)
1298 MIPS_SYS(sys_llseek , 5) /* 4140 */
1299 MIPS_SYS(sys_getdents , 3)
1300 MIPS_SYS(sys_select , 5)
1301 MIPS_SYS(sys_flock , 2)
1302 MIPS_SYS(sys_msync , 3)
1303 MIPS_SYS(sys_readv , 3) /* 4145 */
1304 MIPS_SYS(sys_writev , 3)
1305 MIPS_SYS(sys_cacheflush , 3)
1306 MIPS_SYS(sys_cachectl , 3)
1307 MIPS_SYS(sys_sysmips , 4)
1308 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1309 MIPS_SYS(sys_getsid , 1)
1310 MIPS_SYS(sys_fdatasync , 0)
1311 MIPS_SYS(sys_sysctl , 1)
1312 MIPS_SYS(sys_mlock , 2)
1313 MIPS_SYS(sys_munlock , 2) /* 4155 */
1314 MIPS_SYS(sys_mlockall , 1)
1315 MIPS_SYS(sys_munlockall , 0)
1316 MIPS_SYS(sys_sched_setparam, 2)
1317 MIPS_SYS(sys_sched_getparam, 2)
1318 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1319 MIPS_SYS(sys_sched_getscheduler, 1)
1320 MIPS_SYS(sys_sched_yield , 0)
1321 MIPS_SYS(sys_sched_get_priority_max, 1)
1322 MIPS_SYS(sys_sched_get_priority_min, 1)
1323 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1324 MIPS_SYS(sys_nanosleep, 2)
1325 MIPS_SYS(sys_mremap , 4)
1326 MIPS_SYS(sys_accept , 3)
1327 MIPS_SYS(sys_bind , 3)
1328 MIPS_SYS(sys_connect , 3) /* 4170 */
1329 MIPS_SYS(sys_getpeername , 3)
1330 MIPS_SYS(sys_getsockname , 3)
1331 MIPS_SYS(sys_getsockopt , 5)
1332 MIPS_SYS(sys_listen , 2)
1333 MIPS_SYS(sys_recv , 4) /* 4175 */
1334 MIPS_SYS(sys_recvfrom , 6)
1335 MIPS_SYS(sys_recvmsg , 3)
1336 MIPS_SYS(sys_send , 4)
1337 MIPS_SYS(sys_sendmsg , 3)
1338 MIPS_SYS(sys_sendto , 6) /* 4180 */
1339 MIPS_SYS(sys_setsockopt , 5)
1340 MIPS_SYS(sys_shutdown , 2)
1341 MIPS_SYS(sys_socket , 3)
1342 MIPS_SYS(sys_socketpair , 4)
1343 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1344 MIPS_SYS(sys_getresuid , 3)
1345 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1346 MIPS_SYS(sys_poll , 3)
1347 MIPS_SYS(sys_nfsservctl , 3)
1348 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1349 MIPS_SYS(sys_getresgid , 3)
1350 MIPS_SYS(sys_prctl , 5)
1351 MIPS_SYS(sys_rt_sigreturn, 0)
1352 MIPS_SYS(sys_rt_sigaction, 4)
1353 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1354 MIPS_SYS(sys_rt_sigpending, 2)
1355 MIPS_SYS(sys_rt_sigtimedwait, 4)
1356 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1357 MIPS_SYS(sys_rt_sigsuspend, 0)
1358 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1359 MIPS_SYS(sys_pwrite64 , 6)
1360 MIPS_SYS(sys_chown , 3)
1361 MIPS_SYS(sys_getcwd , 2)
1362 MIPS_SYS(sys_capget , 2)
1363 MIPS_SYS(sys_capset , 2) /* 4205 */
1364 MIPS_SYS(sys_sigaltstack , 0)
1365 MIPS_SYS(sys_sendfile , 4)
1366 MIPS_SYS(sys_ni_syscall , 0)
1367 MIPS_SYS(sys_ni_syscall , 0)
1368 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1369 MIPS_SYS(sys_truncate64 , 4)
1370 MIPS_SYS(sys_ftruncate64 , 4)
1371 MIPS_SYS(sys_stat64 , 2)
1372 MIPS_SYS(sys_lstat64 , 2)
1373 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1374 MIPS_SYS(sys_pivot_root , 2)
1375 MIPS_SYS(sys_mincore , 3)
1376 MIPS_SYS(sys_madvise , 3)
1377 MIPS_SYS(sys_getdents64 , 3)
1378 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1379 MIPS_SYS(sys_ni_syscall , 0)
1380 MIPS_SYS(sys_gettid , 0)
1381 MIPS_SYS(sys_readahead , 5)
1382 MIPS_SYS(sys_setxattr , 5)
1383 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1384 MIPS_SYS(sys_fsetxattr , 5)
1385 MIPS_SYS(sys_getxattr , 4)
1386 MIPS_SYS(sys_lgetxattr , 4)
1387 MIPS_SYS(sys_fgetxattr , 4)
1388 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1389 MIPS_SYS(sys_llistxattr , 3)
1390 MIPS_SYS(sys_flistxattr , 3)
1391 MIPS_SYS(sys_removexattr , 2)
1392 MIPS_SYS(sys_lremovexattr, 2)
1393 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1394 MIPS_SYS(sys_tkill , 2)
1395 MIPS_SYS(sys_sendfile64 , 5)
1396 MIPS_SYS(sys_futex , 2)
1397 MIPS_SYS(sys_sched_setaffinity, 3)
1398 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1399 MIPS_SYS(sys_io_setup , 2)
1400 MIPS_SYS(sys_io_destroy , 1)
1401 MIPS_SYS(sys_io_getevents, 5)
1402 MIPS_SYS(sys_io_submit , 3)
1403 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1404 MIPS_SYS(sys_exit_group , 1)
1405 MIPS_SYS(sys_lookup_dcookie, 3)
1406 MIPS_SYS(sys_epoll_create, 1)
1407 MIPS_SYS(sys_epoll_ctl , 4)
1408 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1409 MIPS_SYS(sys_remap_file_pages, 5)
1410 MIPS_SYS(sys_set_tid_address, 1)
1411 MIPS_SYS(sys_restart_syscall, 0)
1412 MIPS_SYS(sys_fadvise64_64, 7)
1413 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1414 MIPS_SYS(sys_fstatfs64 , 2)
1415 MIPS_SYS(sys_timer_create, 3)
1416 MIPS_SYS(sys_timer_settime, 4)
1417 MIPS_SYS(sys_timer_gettime, 2)
1418 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1419 MIPS_SYS(sys_timer_delete, 1)
1420 MIPS_SYS(sys_clock_settime, 2)
1421 MIPS_SYS(sys_clock_gettime, 2)
1422 MIPS_SYS(sys_clock_getres, 2)
1423 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1424 MIPS_SYS(sys_tgkill , 3)
1425 MIPS_SYS(sys_utimes , 2)
1426 MIPS_SYS(sys_mbind , 4)
1427 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1428 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1429 MIPS_SYS(sys_mq_open , 4)
1430 MIPS_SYS(sys_mq_unlink , 1)
1431 MIPS_SYS(sys_mq_timedsend, 5)
1432 MIPS_SYS(sys_mq_timedreceive, 5)
1433 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1434 MIPS_SYS(sys_mq_getsetattr, 3)
1435 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1436 MIPS_SYS(sys_waitid , 4)
1437 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1438 MIPS_SYS(sys_add_key , 5)
388bb21a 1439 MIPS_SYS(sys_request_key, 4)
048f6b4d 1440 MIPS_SYS(sys_keyctl , 5)
6f5b89a0 1441 MIPS_SYS(sys_set_thread_area, 1)
388bb21a
TS		 1442 MIPS_SYS(sys_inotify_init, 0)
1443 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1444 MIPS_SYS(sys_inotify_rm_watch, 2)
1445 MIPS_SYS(sys_migrate_pages, 4)
1446 MIPS_SYS(sys_openat, 4)
1447 MIPS_SYS(sys_mkdirat, 3)
1448 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1449 MIPS_SYS(sys_fchownat, 5)
1450 MIPS_SYS(sys_futimesat, 3)
1451 MIPS_SYS(sys_fstatat64, 4)
1452 MIPS_SYS(sys_unlinkat, 3)
1453 MIPS_SYS(sys_renameat, 4) /* 4295 */
1454 MIPS_SYS(sys_linkat, 5)
1455 MIPS_SYS(sys_symlinkat, 3)
1456 MIPS_SYS(sys_readlinkat, 4)
1457 MIPS_SYS(sys_fchmodat, 3)
1458 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1459 MIPS_SYS(sys_pselect6, 6)
1460 MIPS_SYS(sys_ppoll, 5)
1461 MIPS_SYS(sys_unshare, 1)
1462 MIPS_SYS(sys_splice, 4)
1463 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1464 MIPS_SYS(sys_tee, 4)
1465 MIPS_SYS(sys_vmsplice, 4)
1466 MIPS_SYS(sys_move_pages, 6)
1467 MIPS_SYS(sys_set_robust_list, 2)
1468 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1469 MIPS_SYS(sys_kexec_load, 4)
1470 MIPS_SYS(sys_getcpu, 3)
1471 MIPS_SYS(sys_epoll_pwait, 6)
1472 MIPS_SYS(sys_ioprio_set, 3)
1473 MIPS_SYS(sys_ioprio_get, 2)
048f6b4d
FB		 1474};
1475
1476#undef MIPS_SYS
1477
1478void cpu_loop(CPUMIPSState *env)
1479{
1480 target_siginfo_t info;
388bb21a 1481 int trapnr, ret;
048f6b4d 1482 unsigned int syscall_num;
048f6b4d
FB		 1483
1484 for(;;) {
1485 trapnr = cpu_mips_exec(env);
1486 switch(trapnr) {
1487 case EXCP_SYSCALL:
ead9360e
TS		 1488 syscall_num = env->gpr[2][env->current_tc] - 4000;
1489 env->PC[env->current_tc] += 4;
388bb21a
TS		 1490 if (syscall_num >= sizeof(mips_syscall_args)) {
1491 ret = -ENOSYS;
1492 } else {
1493 int nb_args;
1494 target_ulong sp_reg;
1495 target_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1496
1497 nb_args = mips_syscall_args[syscall_num];
ead9360e 1498 sp_reg = env->gpr[29][env->current_tc];
388bb21a
TS		 1499 switch (nb_args) {
1500 /* these arguments are taken from the stack */
1501 case 8: arg8 = tgetl(sp_reg + 28);
1502 case 7: arg7 = tgetl(sp_reg + 24);
1503 case 6: arg6 = tgetl(sp_reg + 20);
1504 case 5: arg5 = tgetl(sp_reg + 16);
1505 default:
1506 break;
048f6b4d 1507 }
ead9360e
TS		 1508 ret = do_syscall(env, env->gpr[2][env->current_tc],
1509 env->gpr[4][env->current_tc],
1510 env->gpr[5][env->current_tc],
1511 env->gpr[6][env->current_tc],
1512 env->gpr[7][env->current_tc],
388bb21a
TS		 1513 arg5, arg6/*, arg7, arg8*/);
1514 }
1515 if ((unsigned int)ret >= (unsigned int)(-1133)) {
ead9360e 1516 env->gpr[7][env->current_tc] = 1; /* error flag */
388bb21a
TS		 1517 ret = -ret;
1518 } else {
ead9360e 1519 env->gpr[7][env->current_tc] = 0; /* error flag */
048f6b4d 1520 }
ead9360e 1521 env->gpr[2][env->current_tc] = ret;
048f6b4d 1522 break;
ca7c2b1b
TS		 1523 case EXCP_TLBL:
1524 case EXCP_TLBS:
6900e84b 1525 case EXCP_CpU:
048f6b4d 1526 case EXCP_RI:
bc1ad2de
FB		 1527 info.si_signo = TARGET_SIGILL;
1528 info.si_errno = 0;
1529 info.si_code = 0;
1530 queue_signal(info.si_signo, &info);
048f6b4d 1531 break;
106ec879
FB		 1532 case EXCP_INTERRUPT:
1533 /* just indicate that signals should be handled asap */
1534 break;
d08b2a28
PB		 1535 case EXCP_DEBUG:
1536 {
1537 int sig;
1538
1539 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1540 if (sig)
1541 {
1542 info.si_signo = sig;
1543 info.si_errno = 0;
1544 info.si_code = TARGET_TRAP_BRKPT;
1545 queue_signal(info.si_signo, &info);
1546 }
1547 }
1548 break;
048f6b4d
FB		 1549 default:
1550 // error:
5fafdf24 1551 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
048f6b4d
FB		 1552 trapnr);
1553 cpu_dump_state(env, stderr, fprintf, 0);
1554 abort();
1555 }
1556 process_pending_signals(env);
1557 }
1558}
1559#endif
1560
fdf9b3e8
FB		 1561#ifdef TARGET_SH4
1562void cpu_loop (CPUState *env)
1563{
1564 int trapnr, ret;
355fb23d 1565 target_siginfo_t info;
3b46e624 1566
fdf9b3e8
FB		 1567 while (1) {
1568 trapnr = cpu_sh4_exec (env);
3b46e624 1569
fdf9b3e8
FB		 1570 switch (trapnr) {
1571 case 0x160:
5fafdf24
TS		 1572 ret = do_syscall(env,
1573 env->gregs[3],
1574 env->gregs[4],
1575 env->gregs[5],
1576 env->gregs[6],
1577 env->gregs[7],
1578 env->gregs[0],
fdf9b3e8 1579 0);
9c2a9ea1 1580 env->gregs[0] = ret;
fdf9b3e8
FB		 1581 env->pc += 2;
1582 break;
355fb23d
PB		 1583 case EXCP_DEBUG:
1584 {
1585 int sig;
1586
1587 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1588 if (sig)
1589 {
1590 info.si_signo = sig;
1591 info.si_errno = 0;
1592 info.si_code = TARGET_TRAP_BRKPT;
1593 queue_signal(info.si_signo, &info);
1594 }
1595 }
1596 break;
fdf9b3e8
FB		 1597 default:
1598 printf ("Unhandled trap: 0x%x\n", trapnr);
1599 cpu_dump_state(env, stderr, fprintf, 0);
1600 exit (1);
1601 }
1602 process_pending_signals (env);
1603 }
1604}
1605#endif
1606
e6e5906b
PB		 1607#ifdef TARGET_M68K
1608
1609void cpu_loop(CPUM68KState *env)
1610{
1611 int trapnr;
1612 unsigned int n;
1613 target_siginfo_t info;
1614 TaskState *ts = env->opaque;
3b46e624 1615
e6e5906b
PB		 1616 for(;;) {
1617 trapnr = cpu_m68k_exec(env);
1618 switch(trapnr) {
1619 case EXCP_ILLEGAL:
1620 {
1621 if (ts->sim_syscalls) {
1622 uint16_t nr;
1623 nr = lduw(env->pc + 2);
1624 env->pc += 4;
1625 do_m68k_simcall(env, nr);
1626 } else {
1627 goto do_sigill;
1628 }
1629 }
1630 break;
a87295e8 1631 case EXCP_HALT_INSN:
e6e5906b 1632 /* Semihosing syscall. */
a87295e8 1633 env->pc += 4;
e6e5906b
PB		 1634 do_m68k_semihosting(env, env->dregs[0]);
1635 break;
1636 case EXCP_LINEA:
1637 case EXCP_LINEF:
1638 case EXCP_UNSUPPORTED:
1639 do_sigill:
1640 info.si_signo = SIGILL;
1641 info.si_errno = 0;
1642 info.si_code = TARGET_ILL_ILLOPN;
1643 info._sifields._sigfault._addr = env->pc;
1644 queue_signal(info.si_signo, &info);
1645 break;
1646 case EXCP_TRAP0:
1647 {
1648 ts->sim_syscalls = 0;
1649 n = env->dregs[0];
1650 env->pc += 2;
5fafdf24
TS		 1651 env->dregs[0] = do_syscall(env,
1652 n,
e6e5906b
PB		 1653 env->dregs[1],
1654 env->dregs[2],
1655 env->dregs[3],
1656 env->dregs[4],
1657 env->dregs[5],
1658 env->dregs[6]);
1659 }
1660 break;
1661 case EXCP_INTERRUPT:
1662 /* just indicate that signals should be handled asap */
1663 break;
1664 case EXCP_ACCESS:
1665 {
1666 info.si_signo = SIGSEGV;
1667 info.si_errno = 0;
1668 /* XXX: check env->error_code */
1669 info.si_code = TARGET_SEGV_MAPERR;
1670 info._sifields._sigfault._addr = env->mmu.ar;
1671 queue_signal(info.si_signo, &info);
1672 }
1673 break;
1674 case EXCP_DEBUG:
1675 {
1676 int sig;
1677
1678 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1679 if (sig)
1680 {
1681 info.si_signo = sig;
1682 info.si_errno = 0;
1683 info.si_code = TARGET_TRAP_BRKPT;
1684 queue_signal(info.si_signo, &info);
1685 }
1686 }
1687 break;
1688 default:
5fafdf24 1689 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
e6e5906b
PB		 1690 trapnr);
1691 cpu_dump_state(env, stderr, fprintf, 0);
1692 abort();
1693 }
1694 process_pending_signals(env);
1695 }
1696}
1697#endif /* TARGET_M68K */
1698
7a3148a9
JM		 1699#ifdef TARGET_ALPHA
1700void cpu_loop (CPUState *env)
1701{
e96efcfc 1702 int trapnr;
7a3148a9 1703 target_siginfo_t info;
3b46e624 1704
7a3148a9
JM		 1705 while (1) {
1706 trapnr = cpu_alpha_exec (env);
3b46e624 1707
7a3148a9
JM		 1708 switch (trapnr) {
1709 case EXCP_RESET:
1710 fprintf(stderr, "Reset requested. Exit\n");
1711 exit(1);
1712 break;
1713 case EXCP_MCHK:
1714 fprintf(stderr, "Machine check exception. Exit\n");
1715 exit(1);
1716 break;
1717 case EXCP_ARITH:
1718 fprintf(stderr, "Arithmetic trap.\n");
1719 exit(1);
1720 break;
1721 case EXCP_HW_INTERRUPT:
5fafdf24 1722 fprintf(stderr, "External interrupt. Exit\n");
7a3148a9
JM		 1723 exit(1);
1724 break;
1725 case EXCP_DFAULT:
1726 fprintf(stderr, "MMU data fault\n");
1727 exit(1);
1728 break;
1729 case EXCP_DTB_MISS_PAL:
1730 fprintf(stderr, "MMU data TLB miss in PALcode\n");
1731 exit(1);
1732 break;
1733 case EXCP_ITB_MISS:
1734 fprintf(stderr, "MMU instruction TLB miss\n");
1735 exit(1);
1736 break;
1737 case EXCP_ITB_ACV:
1738 fprintf(stderr, "MMU instruction access violation\n");
1739 exit(1);
1740 break;
1741 case EXCP_DTB_MISS_NATIVE:
1742 fprintf(stderr, "MMU data TLB miss\n");
1743 exit(1);
1744 break;
1745 case EXCP_UNALIGN:
1746 fprintf(stderr, "Unaligned access\n");
1747 exit(1);
1748 break;
1749 case EXCP_OPCDEC:
1750 fprintf(stderr, "Invalid instruction\n");
1751 exit(1);
1752 break;
1753 case EXCP_FEN:
1754 fprintf(stderr, "Floating-point not allowed\n");
1755 exit(1);
1756 break;
1757 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
1758 fprintf(stderr, "Call to PALcode\n");
1759 call_pal(env, (trapnr >> 6) | 0x80);
1760 break;
1761 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
7f75ffd3 1762 fprintf(stderr, "Privileged call to PALcode\n");
7a3148a9
JM		 1763 exit(1);
1764 break;
1765 case EXCP_DEBUG:
1766 {
1767 int sig;
1768
1769 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1770 if (sig)
1771 {
1772 info.si_signo = sig;
1773 info.si_errno = 0;
1774 info.si_code = TARGET_TRAP_BRKPT;
1775 queue_signal(info.si_signo, &info);
1776 }
1777 }
1778 break;
1779 default:
1780 printf ("Unhandled trap: 0x%x\n", trapnr);
1781 cpu_dump_state(env, stderr, fprintf, 0);
1782 exit (1);
1783 }
1784 process_pending_signals (env);
1785 }
1786}
1787#endif /* TARGET_ALPHA */
1788
31e31b8a
FB		 1789void usage(void)
1790{
84f2e8ef 1791 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
b1f9be31 1792 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n"
b346ff46 1793 "Linux CPU emulator (compiled for %s emulation)\n"
d691f669 1794 "\n"
b12b6a18
TS		 1795 "-h print this help\n"
1796 "-g port wait gdb connection to port\n"
1797 "-L path set the elf interpreter prefix (default=%s)\n"
1798 "-s size set the stack size in bytes (default=%ld)\n"
1799 "-cpu model select CPU (-cpu ? for list)\n"
1800 "-drop-ld-preload drop LD_PRELOAD for target process\n"
54936004
FB		 1801 "\n"
1802 "debug options:\n"
c6981055
FB		 1803#ifdef USE_CODE_COPY
1804 "-no-code-copy disable code copy acceleration\n"
1805#endif
6f1f31c0 1806 "-d options activate log (logfile=%s)\n"
54936004 1807 "-p pagesize set the host page size to 'pagesize'\n",
b346ff46 1808 TARGET_ARCH,
5fafdf24 1809 interp_prefix,
54936004
FB		 1810 x86_stack_size,
1811 DEBUG_LOGFILE);
74cd30b8 1812 _exit(1);
31e31b8a
FB		 1813}
1814
9de5e440 1815/* XXX: currently only used for async signals (see signal.c) */
b346ff46 1816CPUState *global_env;
59faf6d6 1817
851e67a1
FB		 1818/* used to free thread contexts */
1819TaskState *first_task_state;
9de5e440 1820
31e31b8a
FB		 1821int main(int argc, char **argv)
1822{
1823 const char *filename;
b1f9be31 1824 const char *cpu_model;
01ffc75b 1825 struct target_pt_regs regs1, *regs = &regs1;
31e31b8a 1826 struct image_info info1, *info = &info1;
851e67a1 1827 TaskState ts1, *ts = &ts1;
b346ff46 1828 CPUState *env;
586314f2 1829 int optind;
d691f669 1830 const char *r;
74c33bed 1831 int gdbstub_port = 0;
b12b6a18
TS		 1832 int drop_ld_preload = 0, environ_count = 0;
1833 char **target_environ, **wrk, **dst;
1834
31e31b8a
FB		 1835 if (argc <= 1)
1836 usage();
f801f97e 1837
cc38b844
FB		 1838 /* init debug */
1839 cpu_set_log_filename(DEBUG_LOGFILE);
1840
b1f9be31 1841 cpu_model = NULL;
586314f2 1842 optind = 1;
d691f669
FB		 1843 for(;;) {
1844 if (optind >= argc)
1845 break;
1846 r = argv[optind];
1847 if (r[0] != '-')
1848 break;
586314f2 1849 optind++;
d691f669
FB		 1850 r++;
1851 if (!strcmp(r, "-")) {
1852 break;
1853 } else if (!strcmp(r, "d")) {
e19e89a5
FB		 1854 int mask;
1855 CPULogItem *item;
6f1f31c0
FB		 1856
1857 if (optind >= argc)
1858 break;
3b46e624 1859
6f1f31c0
FB		 1860 r = argv[optind++];
1861 mask = cpu_str_to_log_mask(r);
e19e89a5
FB		 1862 if (!mask) {
1863 printf("Log items (comma separated):\n");
1864 for(item = cpu_log_items; item->mask != 0; item++) {
1865 printf("%-10s %s\n", item->name, item->help);
1866 }
1867 exit(1);
1868 }
1869 cpu_set_log(mask);
d691f669
FB		 1870 } else if (!strcmp(r, "s")) {
1871 r = argv[optind++];
1872 x86_stack_size = strtol(r, (char **)&r, 0);
1873 if (x86_stack_size <= 0)
1874 usage();
1875 if (*r == 'M')
1876 x86_stack_size *= 1024 * 1024;
1877 else if (*r == 'k' || *r == 'K')
1878 x86_stack_size *= 1024;
1879 } else if (!strcmp(r, "L")) {
1880 interp_prefix = argv[optind++];
54936004 1881 } else if (!strcmp(r, "p")) {
83fb7adf
FB		 1882 qemu_host_page_size = atoi(argv[optind++]);
1883 if (qemu_host_page_size == 0 ||
1884 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
54936004
FB		 1885 fprintf(stderr, "page size must be a power of two\n");
1886 exit(1);
1887 }
1fddef4b 1888 } else if (!strcmp(r, "g")) {
74c33bed 1889 gdbstub_port = atoi(argv[optind++]);
c5937220
PB		 1890 } else if (!strcmp(r, "r")) {
1891 qemu_uname_release = argv[optind++];
b1f9be31
JM		 1892 } else if (!strcmp(r, "cpu")) {
1893 cpu_model = argv[optind++];
1894 if (strcmp(cpu_model, "?") == 0) {
1895#if defined(TARGET_PPC)
1896 ppc_cpu_list(stdout, &fprintf);
1897#elif defined(TARGET_ARM)
1898 arm_cpu_list();
1899#elif defined(TARGET_MIPS)
1900 mips_cpu_list(stdout, &fprintf);
925fb139
BS		 1901#elif defined(TARGET_SPARC)
1902 sparc_cpu_list(stdout, &fprintf);
b1f9be31 1903#endif
cff4cbed 1904 _exit(1);
b1f9be31 1905 }
b12b6a18
TS		 1906 } else if (!strcmp(r, "drop-ld-preload")) {
1907 drop_ld_preload = 1;
5fafdf24 1908 } else
c6981055
FB		 1909#ifdef USE_CODE_COPY
1910 if (!strcmp(r, "no-code-copy")) {
1911 code_copy_enabled = 0;
5fafdf24 1912 } else
c6981055
FB		 1913#endif
1914 {
d691f669
FB		 1915 usage();
1916 }
586314f2 1917 }
d691f669
FB		 1918 if (optind >= argc)
1919 usage();
586314f2
FB		 1920 filename = argv[optind];
1921
31e31b8a 1922 /* Zero out regs */
01ffc75b 1923 memset(regs, 0, sizeof(struct target_pt_regs));
31e31b8a
FB		 1924
1925 /* Zero out image_info */
1926 memset(info, 0, sizeof(struct image_info));
1927
74cd30b8
FB		 1928 /* Scan interp_prefix dir for replacement files. */
1929 init_paths(interp_prefix);
1930
83fb7adf
FB		 1931 /* NOTE: we need to init the CPU at this stage to get
1932 qemu_host_page_size */
b346ff46 1933 env = cpu_init();
15338fd7 1934 global_env = env;
3b46e624 1935
b12b6a18
TS		 1936 wrk = environ;
1937 while (*(wrk++))
1938 environ_count++;
1939
1940 target_environ = malloc((environ_count + 1) * sizeof(char *));
1941 if (!target_environ)
1942 abort();
1943 for (wrk = environ, dst = target_environ; *wrk; wrk++) {
1944 if (drop_ld_preload && !strncmp(*wrk, "LD_PRELOAD=", 11))
1945 continue;
1946 *(dst++) = strdup(*wrk);
1947 }
403f14ef 1948 *dst = NULL; /* NULL terminate target_environ */
b12b6a18
TS		 1949
1950 if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) {
1951 printf("Error loading %s\n", filename);
1952 _exit(1);
1953 }
1954
1955 for (wrk = target_environ; *wrk; wrk++) {
1956 free(*wrk);
31e31b8a 1957 }
3b46e624 1958
b12b6a18
TS		 1959 free(target_environ);
1960
4b74fe1f 1961 if (loglevel) {
54936004 1962 page_dump(logfile);
3b46e624 1963
4b74fe1f
FB		 1964 fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
1965 fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
1966 fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
e5fe0c52 1967 fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
4b74fe1f
FB		 1968 fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
1969 fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
1970 fprintf(logfile, "brk 0x%08lx\n" , info->brk);
b346ff46 1971 fprintf(logfile, "entry 0x%08lx\n" , info->entry);
4b74fe1f 1972 }
31e31b8a 1973
53a5960a 1974 target_set_brk(info->brk);
31e31b8a 1975 syscall_init();
66fb9763 1976 signal_init();
31e31b8a 1977
851e67a1
FB		 1978 /* build Task State */
1979 memset(ts, 0, sizeof(TaskState));
1980 env->opaque = ts;
1981 ts->used = 1;
978efd6a 1982 ts->info = info;
59faf6d6 1983 env->user_mode_only = 1;
3b46e624 1984
b346ff46 1985#if defined(TARGET_I386)
2e255c6b
FB		 1986 cpu_x86_set_cpl(env, 3);
1987
3802ce26 1988 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1bde465e
FB		 1989 env->hflags |= HF_PE_MASK;
1990 if (env->cpuid_features & CPUID_SSE) {
1991 env->cr[4] |= CR4_OSFXSR_MASK;
1992 env->hflags |= HF_OSFXSR_MASK;
1993 }
1994
415e561f
FB		 1995 /* flags setup : we activate the IRQs by default as in user mode */
1996 env->eflags |= IF_MASK;
3b46e624 1997
6dbad63e 1998 /* linux register setup */
84409ddb
JM		 1999#if defined(TARGET_X86_64)
2000 env->regs[R_EAX] = regs->rax;
2001 env->regs[R_EBX] = regs->rbx;
2002 env->regs[R_ECX] = regs->rcx;
2003 env->regs[R_EDX] = regs->rdx;
2004 env->regs[R_ESI] = regs->rsi;
2005 env->regs[R_EDI] = regs->rdi;
2006 env->regs[R_EBP] = regs->rbp;
2007 env->regs[R_ESP] = regs->rsp;
2008 env->eip = regs->rip;
2009#else
0ecfa993
FB		 2010 env->regs[R_EAX] = regs->eax;
2011 env->regs[R_EBX] = regs->ebx;
2012 env->regs[R_ECX] = regs->ecx;
2013 env->regs[R_EDX] = regs->edx;
2014 env->regs[R_ESI] = regs->esi;
2015 env->regs[R_EDI] = regs->edi;
2016 env->regs[R_EBP] = regs->ebp;
2017 env->regs[R_ESP] = regs->esp;
dab2ed99 2018 env->eip = regs->eip;
84409ddb 2019#endif
31e31b8a 2020
f4beb510 2021 /* linux interrupt setup */
53a5960a 2022 env->idt.base = h2g(idt_table);
f4beb510
FB		 2023 env->idt.limit = sizeof(idt_table) - 1;
2024 set_idt(0, 0);
2025 set_idt(1, 0);
2026 set_idt(2, 0);
2027 set_idt(3, 3);
2028 set_idt(4, 3);
2029 set_idt(5, 3);
2030 set_idt(6, 0);
2031 set_idt(7, 0);
2032 set_idt(8, 0);
2033 set_idt(9, 0);
2034 set_idt(10, 0);
2035 set_idt(11, 0);
2036 set_idt(12, 0);
2037 set_idt(13, 0);
2038 set_idt(14, 0);
2039 set_idt(15, 0);
2040 set_idt(16, 0);
2041 set_idt(17, 0);
2042 set_idt(18, 0);
2043 set_idt(19, 0);
2044 set_idt(0x80, 3);
2045
6dbad63e 2046 /* linux segment setup */
53a5960a 2047 env->gdt.base = h2g(gdt_table);
6dbad63e 2048 env->gdt.limit = sizeof(gdt_table) - 1;
f4beb510 2049 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
5fafdf24 2050 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
f4beb510
FB		 2051 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2052 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
5fafdf24 2053 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
f4beb510 2054 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
6dbad63e
FB		 2055 cpu_x86_load_seg(env, R_CS, __USER_CS);
2056 cpu_x86_load_seg(env, R_DS, __USER_DS);
2057 cpu_x86_load_seg(env, R_ES, __USER_DS);
2058 cpu_x86_load_seg(env, R_SS, __USER_DS);
2059 cpu_x86_load_seg(env, R_FS, __USER_DS);
2060 cpu_x86_load_seg(env, R_GS, __USER_DS);
92ccca6a 2061
d6eb40f6
TS		 2062 /* This hack makes Wine work... */
2063 env->segs[R_FS].selector = 0;
b346ff46
FB		 2064#elif defined(TARGET_ARM)
2065 {
2066 int i;
b1f9be31
JM		 2067 if (cpu_model == NULL)
2068 cpu_model = "arm926";
2069 cpu_arm_set_model(env, cpu_model);
b5ff1b31 2070 cpsr_write(env, regs->uregs[16], 0xffffffff);
b346ff46
FB		 2071 for(i = 0; i < 16; i++) {
2072 env->regs[i] = regs->uregs[i];
2073 }
b346ff46 2074 }
93ac68bc 2075#elif defined(TARGET_SPARC)
060366c5
FB		 2076 {
2077 int i;
925fb139
BS		 2078 const sparc_def_t *def;
2079#ifdef TARGET_SPARC64
2080 if (cpu_model == NULL)
2081 cpu_model = "TI UltraSparc II";
2082#else
2083 if (cpu_model == NULL)
2084 cpu_model = "Fujitsu MB86904";
2085#endif
2086 sparc_find_by_name(cpu_model, &def);
2087 if (def == NULL) {
2088 fprintf(stderr, "Unable to find Sparc CPU definition\n");
2089 exit(1);
2090 }
2091 cpu_sparc_register(env, def);
060366c5
FB		 2092 env->pc = regs->pc;
2093 env->npc = regs->npc;
2094 env->y = regs->y;
2095 for(i = 0; i < 8; i++)
2096 env->gregs[i] = regs->u_regs[i];
2097 for(i = 0; i < 8; i++)
2098 env->regwptr[i] = regs->u_regs[i + 8];
2099 }
67867308
FB		 2100#elif defined(TARGET_PPC)
2101 {
3fc6c082 2102 ppc_def_t *def;
67867308 2103 int i;
3fc6c082
FB		 2104
2105 /* Choose and initialise CPU */
b1f9be31
JM		 2106 if (cpu_model == NULL)
2107 cpu_model = "750";
2108 ppc_find_by_name(cpu_model, &def);
3fc6c082 2109 if (def == NULL) {
c68ea704 2110 cpu_abort(env,
3fc6c082
FB		 2111 "Unable to find PowerPC CPU definition\n");
2112 }
c68ea704 2113 cpu_ppc_register(env, def);
3fc6c082 2114
61190b14 2115 for (i = 0; i < 32; i++) {
4c2e770f 2116 if (i != 12 && i != 6 && i != 13)
61190b14
FB		 2117 env->msr[i] = (regs->msr >> i) & 1;
2118 }
84409ddb
JM		 2119#if defined(TARGET_PPC64)
2120 msr_sf = 1;
2121#endif
67867308
FB		 2122 env->nip = regs->nip;
2123 for(i = 0; i < 32; i++) {
2124 env->gpr[i] = regs->gpr[i];
2125 }
2126 }
e6e5906b
PB		 2127#elif defined(TARGET_M68K)
2128 {
0633879f 2129 if (cpu_model == NULL)
0402f767 2130 cpu_model = "any";
0633879f 2131 if (cpu_m68k_set_model(env, cpu_model)) {
e6e5906b
PB		 2132 cpu_abort(cpu_single_env,
2133 "Unable to find m68k CPU definition\n");
2134 }
e6e5906b
PB		 2135 env->pc = regs->pc;
2136 env->dregs[0] = regs->d0;
2137 env->dregs[1] = regs->d1;
2138 env->dregs[2] = regs->d2;
2139 env->dregs[3] = regs->d3;
2140 env->dregs[4] = regs->d4;
2141 env->dregs[5] = regs->d5;
2142 env->dregs[6] = regs->d6;
2143 env->dregs[7] = regs->d7;
2144 env->aregs[0] = regs->a0;
2145 env->aregs[1] = regs->a1;
2146 env->aregs[2] = regs->a2;
2147 env->aregs[3] = regs->a3;
2148 env->aregs[4] = regs->a4;
2149 env->aregs[5] = regs->a5;
2150 env->aregs[6] = regs->a6;
2151 env->aregs[7] = regs->usp;
2152 env->sr = regs->sr;
2153 ts->sim_syscalls = 1;
2154 }
048f6b4d
FB		 2155#elif defined(TARGET_MIPS)
2156 {
cff4cbed 2157 mips_def_t *def;
048f6b4d
FB		 2158 int i;
2159
cff4cbed
TS		 2160 /* Choose and initialise CPU */
2161 if (cpu_model == NULL)
2162 cpu_model = "24Kf";
2163 mips_find_by_name(cpu_model, &def);
2164 if (def == NULL)
2165 cpu_abort(env, "Unable to find MIPS CPU definition\n");
2166 cpu_mips_register(env, def);
2167
048f6b4d 2168 for(i = 0; i < 32; i++) {
ead9360e 2169 env->gpr[i][env->current_tc] = regs->regs[i];
048f6b4d 2170 }
ead9360e 2171 env->PC[env->current_tc] = regs->cp0_epc;
048f6b4d 2172 }
fdf9b3e8
FB		 2173#elif defined(TARGET_SH4)
2174 {
2175 int i;
2176
2177 for(i = 0; i < 16; i++) {
2178 env->gregs[i] = regs->regs[i];
2179 }
2180 env->pc = regs->pc;
2181 }
7a3148a9
JM		 2182#elif defined(TARGET_ALPHA)
2183 {
2184 int i;
2185
2186 for(i = 0; i < 28; i++) {
2187 env->ir[i] = ((target_ulong *)regs)[i];
2188 }
2189 env->ipr[IPR_USP] = regs->usp;
2190 env->ir[30] = regs->usp;
2191 env->pc = regs->pc;
2192 env->unique = regs->unique;
2193 }
b346ff46
FB		 2194#else
2195#error unsupported target CPU
2196#endif
31e31b8a 2197
a87295e8
PB		 2198#if defined(TARGET_ARM) || defined(TARGET_M68K)
2199 ts->stack_base = info->start_stack;
2200 ts->heap_base = info->brk;
2201 /* This will be filled in on the first SYS_HEAPINFO call. */
2202 ts->heap_limit = 0;
2203#endif
2204
74c33bed
FB		 2205 if (gdbstub_port) {
2206 gdbserver_start (gdbstub_port);
1fddef4b
FB		 2207 gdb_handlesig(env, 0);
2208 }
1b6b029e
FB		 2209 cpu_loop(env);
2210 /* never exits */
31e31b8a
FB		 2211 return 0;
2212}
Qemu copy for testing