]> git.proxmox.com Git - qemu.git/blame - linux-user/main.c
projects / qemu.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
More Sparc64 CPU definitions
[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
74cd30b8 31static const char *interp_prefix = CONFIG_QEMU_PREFIX;
c5937220 32const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
586314f2 33
3a4739d6 34#if defined(__i386__) && !defined(CONFIG_STATIC)
f801f97e
FB		 35/* Force usage of an ELF interpreter even if it is an ELF shared
36 object ! */
37const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
4304763b 38#endif
74cd30b8 39
93ac68bc 40/* for recent libc, we add these dummy symbols which are not declared
74cd30b8 41 when generating a linked object (bug in ld ?) */
fbf59244 42#if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
46027c07
FB		 43asm(".globl __preinit_array_start\n"
44 ".globl __preinit_array_end\n"
45 ".globl __init_array_start\n"
46 ".globl __init_array_end\n"
47 ".globl __fini_array_start\n"
48 ".globl __fini_array_end\n"
49 ".section \".rodata\"\n"
50 "__preinit_array_start:\n"
51 "__preinit_array_end:\n"
52 "__init_array_start:\n"
53 "__init_array_end:\n"
54 "__fini_array_start:\n"
55 "__fini_array_end:\n"
56 ".long 0\n");
74cd30b8
FB		 57#endif
58
9de5e440
FB		 59/* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
60 we allocate a bigger stack. Need a better solution, for example
61 by remapping the process stack directly at the right place */
62unsigned long x86_stack_size = 512 * 1024;
31e31b8a
FB		 63
64void gemu_log(const char *fmt, ...)
65{
66 va_list ap;
67
68 va_start(ap, fmt);
69 vfprintf(stderr, fmt, ap);
70 va_end(ap);
71}
72
61190b14 73void cpu_outb(CPUState *env, int addr, int val)
367e86e8
FB		 74{
75 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
76}
77
61190b14 78void cpu_outw(CPUState *env, int addr, int val)
367e86e8
FB		 79{
80 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
81}
82
61190b14 83void cpu_outl(CPUState *env, int addr, int val)
367e86e8
FB		 84{
85 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
86}
87
61190b14 88int cpu_inb(CPUState *env, int addr)
367e86e8
FB		 89{
90 fprintf(stderr, "inb: port=0x%04x\n", addr);
91 return 0;
92}
93
61190b14 94int cpu_inw(CPUState *env, int addr)
367e86e8
FB		 95{
96 fprintf(stderr, "inw: port=0x%04x\n", addr);
97 return 0;
98}
99
61190b14 100int cpu_inl(CPUState *env, int addr)
367e86e8
FB		 101{
102 fprintf(stderr, "inl: port=0x%04x\n", addr);
103 return 0;
104}
105
a541f297 106int cpu_get_pic_interrupt(CPUState *env)
92ccca6a
FB		 107{
108 return -1;
109}
110
28ab0e2e
FB		 111/* timers for rdtsc */
112
1dce7c3c 113#if 0
28ab0e2e
FB		 114
115static uint64_t emu_time;
116
117int64_t cpu_get_real_ticks(void)
118{
119 return emu_time++;
120}
121
122#endif
123
a541f297
FB		 124#ifdef TARGET_I386
125/***********************************************************/
126/* CPUX86 core interface */
127
02a1602e
FB		 128void cpu_smm_update(CPUState *env)
129{
130}
131
28ab0e2e
FB		 132uint64_t cpu_get_tsc(CPUX86State *env)
133{
134 return cpu_get_real_ticks();
135}
136
5fafdf24 137static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
f4beb510 138 int flags)
6dbad63e 139{
f4beb510 140 unsigned int e1, e2;
53a5960a 141 uint32_t *p;
6dbad63e
FB		 142 e1 = (addr << 16) | (limit & 0xffff);
143 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
f4beb510 144 e2 |= flags;
53a5960a
PB		 145 p = ptr;
146 p[0] = tswapl(e1);
147 p[1] = tswapl(e2);
f4beb510
FB		 148}
149
5fafdf24 150static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
f4beb510
FB		 151 unsigned long addr, unsigned int sel)
152{
153 unsigned int e1, e2;
53a5960a 154 uint32_t *p;
f4beb510
FB		 155 e1 = (addr & 0xffff) | (sel << 16);
156 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
53a5960a
PB		 157 p = ptr;
158 p[0] = tswapl(e1);
159 p[1] = tswapl(e2);
6dbad63e
FB		 160}
161
162uint64_t gdt_table[6];
f4beb510
FB		 163uint64_t idt_table[256];
164
165/* only dpl matters as we do only user space emulation */
166static void set_idt(int n, unsigned int dpl)
167{
168 set_gate(idt_table + n, 0, dpl, 0, 0);
169}
31e31b8a 170
89e957e7 171void cpu_loop(CPUX86State *env)
1b6b029e 172{
bc8a22cc 173 int trapnr;
992f48a0 174 abi_ulong pc;
9de5e440 175 target_siginfo_t info;
851e67a1 176
1b6b029e 177 for(;;) {
bc8a22cc 178 trapnr = cpu_x86_exec(env);
bc8a22cc 179 switch(trapnr) {
f4beb510
FB		 180 case 0x80:
181 /* linux syscall */
5fafdf24
TS		 182 env->regs[R_EAX] = do_syscall(env,
183 env->regs[R_EAX],
f4beb510
FB		 184 env->regs[R_EBX],
185 env->regs[R_ECX],
186 env->regs[R_EDX],
187 env->regs[R_ESI],
188 env->regs[R_EDI],
189 env->regs[R_EBP]);
190 break;
191 case EXCP0B_NOSEG:
192 case EXCP0C_STACK:
193 info.si_signo = SIGBUS;
194 info.si_errno = 0;
195 info.si_code = TARGET_SI_KERNEL;
196 info._sifields._sigfault._addr = 0;
197 queue_signal(info.si_signo, &info);
198 break;
1b6b029e 199 case EXCP0D_GPF:
84409ddb 200#ifndef TARGET_X86_64
851e67a1 201 if (env->eflags & VM_MASK) {
89e957e7 202 handle_vm86_fault(env);
84409ddb
JM		 203 } else
204#endif
205 {
f4beb510
FB		 206 info.si_signo = SIGSEGV;
207 info.si_errno = 0;
208 info.si_code = TARGET_SI_KERNEL;
209 info._sifields._sigfault._addr = 0;
210 queue_signal(info.si_signo, &info);
1b6b029e
FB		 211 }
212 break;
b689bc57
FB		 213 case EXCP0E_PAGE:
214 info.si_signo = SIGSEGV;
215 info.si_errno = 0;
216 if (!(env->error_code & 1))
217 info.si_code = TARGET_SEGV_MAPERR;
218 else
219 info.si_code = TARGET_SEGV_ACCERR;
970a87a6 220 info._sifields._sigfault._addr = env->cr[2];
b689bc57
FB		 221 queue_signal(info.si_signo, &info);
222 break;
9de5e440 223 case EXCP00_DIVZ:
84409ddb 224#ifndef TARGET_X86_64
bc8a22cc 225 if (env->eflags & VM_MASK) {
447db213 226 handle_vm86_trap(env, trapnr);
84409ddb
JM		 227 } else
228#endif
229 {
bc8a22cc
FB		 230 /* division by zero */
231 info.si_signo = SIGFPE;
232 info.si_errno = 0;
233 info.si_code = TARGET_FPE_INTDIV;
234 info._sifields._sigfault._addr = env->eip;
235 queue_signal(info.si_signo, &info);
236 }
9de5e440 237 break;
447db213
FB		 238 case EXCP01_SSTP:
239 case EXCP03_INT3:
84409ddb 240#ifndef TARGET_X86_64
447db213
FB		 241 if (env->eflags & VM_MASK) {
242 handle_vm86_trap(env, trapnr);
84409ddb
JM		 243 } else
244#endif
245 {
447db213
FB		 246 info.si_signo = SIGTRAP;
247 info.si_errno = 0;
248 if (trapnr == EXCP01_SSTP) {
249 info.si_code = TARGET_TRAP_BRKPT;
250 info._sifields._sigfault._addr = env->eip;
251 } else {
252 info.si_code = TARGET_SI_KERNEL;
253 info._sifields._sigfault._addr = 0;
254 }
255 queue_signal(info.si_signo, &info);
256 }
257 break;
9de5e440
FB		 258 case EXCP04_INTO:
259 case EXCP05_BOUND:
84409ddb 260#ifndef TARGET_X86_64
bc8a22cc 261 if (env->eflags & VM_MASK) {
447db213 262 handle_vm86_trap(env, trapnr);
84409ddb
JM		 263 } else
264#endif
265 {
bc8a22cc
FB		 266 info.si_signo = SIGSEGV;
267 info.si_errno = 0;
b689bc57 268 info.si_code = TARGET_SI_KERNEL;
bc8a22cc
FB		 269 info._sifields._sigfault._addr = 0;
270 queue_signal(info.si_signo, &info);
271 }
9de5e440
FB		 272 break;
273 case EXCP06_ILLOP:
274 info.si_signo = SIGILL;
275 info.si_errno = 0;
276 info.si_code = TARGET_ILL_ILLOPN;
277 info._sifields._sigfault._addr = env->eip;
278 queue_signal(info.si_signo, &info);
279 break;
280 case EXCP_INTERRUPT:
281 /* just indicate that signals should be handled asap */
282 break;
1fddef4b
FB		 283 case EXCP_DEBUG:
284 {
285 int sig;
286
287 sig = gdb_handlesig (env, TARGET_SIGTRAP);
288 if (sig)
289 {
290 info.si_signo = sig;
291 info.si_errno = 0;
292 info.si_code = TARGET_TRAP_BRKPT;
293 queue_signal(info.si_signo, &info);
294 }
295 }
296 break;
1b6b029e 297 default:
970a87a6 298 pc = env->segs[R_CS].base + env->eip;
5fafdf24 299 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
bc8a22cc 300 (long)pc, trapnr);
1b6b029e
FB		 301 abort();
302 }
66fb9763 303 process_pending_signals(env);
1b6b029e
FB		 304 }
305}
b346ff46
FB		 306#endif
307
308#ifdef TARGET_ARM
309
6f1f31c0 310/* XXX: find a better solution */
992f48a0 311extern void tb_invalidate_page_range(abi_ulong start, abi_ulong end);
6f1f31c0 312
992f48a0 313static void arm_cache_flush(abi_ulong start, abi_ulong last)
6f1f31c0 314{
992f48a0 315 abi_ulong addr, last1;
6f1f31c0
FB		 316
317 if (last < start)
318 return;
319 addr = start;
320 for(;;) {
321 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
322 if (last1 > last)
323 last1 = last;
324 tb_invalidate_page_range(addr, last1 + 1);
325 if (last1 == last)
326 break;
327 addr = last1 + 1;
328 }
329}
330
b346ff46
FB		 331void cpu_loop(CPUARMState *env)
332{
333 int trapnr;
334 unsigned int n, insn;
335 target_siginfo_t info;
b5ff1b31 336 uint32_t addr;
3b46e624 337
b346ff46
FB		 338 for(;;) {
339 trapnr = cpu_arm_exec(env);
340 switch(trapnr) {
341 case EXCP_UDEF:
c6981055
FB		 342 {
343 TaskState *ts = env->opaque;
344 uint32_t opcode;
345
346 /* we handle the FPU emulation here, as Linux */
347 /* we get the opcode */
53a5960a 348 opcode = tget32(env->regs[15]);
3b46e624 349
19b045de 350 if (EmulateAll(opcode, &ts->fpa, env) == 0) {
c6981055
FB		 351 info.si_signo = SIGILL;
352 info.si_errno = 0;
353 info.si_code = TARGET_ILL_ILLOPN;
354 info._sifields._sigfault._addr = env->regs[15];
355 queue_signal(info.si_signo, &info);
356 } else {
357 /* increment PC */
358 env->regs[15] += 4;
359 }
360 }
b346ff46
FB		 361 break;
362 case EXCP_SWI:
06c949e6 363 case EXCP_BKPT:
b346ff46 364 {
ce4defa0 365 env->eabi = 1;
b346ff46 366 /* system call */
06c949e6
PB		 367 if (trapnr == EXCP_BKPT) {
368 if (env->thumb) {
53a5960a 369 insn = tget16(env->regs[15]);
06c949e6
PB		 370 n = insn & 0xff;
371 env->regs[15] += 2;
372 } else {
53a5960a 373 insn = tget32(env->regs[15]);
06c949e6
PB		 374 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
375 env->regs[15] += 4;
376 }
192c7bd9 377 } else {
06c949e6 378 if (env->thumb) {
53a5960a 379 insn = tget16(env->regs[15] - 2);
06c949e6
PB		 380 n = insn & 0xff;
381 } else {
53a5960a 382 insn = tget32(env->regs[15] - 4);
06c949e6
PB		 383 n = insn & 0xffffff;
384 }
192c7bd9
FB		 385 }
386
6f1f31c0
FB		 387 if (n == ARM_NR_cacheflush) {
388 arm_cache_flush(env->regs[0], env->regs[1]);
a4f81979
FB		 389 } else if (n == ARM_NR_semihosting
390 || n == ARM_NR_thumb_semihosting) {
391 env->regs[0] = do_arm_semihosting (env);
ce4defa0 392 } else if (n == 0 || n >= ARM_SYSCALL_BASE
192c7bd9 393 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
b346ff46 394 /* linux syscall */
ce4defa0 395 if (env->thumb || n == 0) {
192c7bd9
FB		 396 n = env->regs[7];
397 } else {
398 n -= ARM_SYSCALL_BASE;
ce4defa0 399 env->eabi = 0;
192c7bd9 400 }
5fafdf24
TS		 401 env->regs[0] = do_syscall(env,
402 n,
b346ff46
FB		 403 env->regs[0],
404 env->regs[1],
405 env->regs[2],
406 env->regs[3],
407 env->regs[4],
e1a2849c 408 env->regs[5]);
b346ff46
FB		 409 } else {
410 goto error;
411 }
412 }
413 break;
43fff238
FB		 414 case EXCP_INTERRUPT:
415 /* just indicate that signals should be handled asap */
416 break;
68016c62 417 case EXCP_PREFETCH_ABORT:
b5ff1b31
FB		 418 addr = env->cp15.c6_data;
419 goto do_segv;
68016c62 420 case EXCP_DATA_ABORT:
b5ff1b31
FB		 421 addr = env->cp15.c6_insn;
422 goto do_segv;
423 do_segv:
68016c62
FB		 424 {
425 info.si_signo = SIGSEGV;
426 info.si_errno = 0;
427 /* XXX: check env->error_code */
428 info.si_code = TARGET_SEGV_MAPERR;
b5ff1b31 429 info._sifields._sigfault._addr = addr;
68016c62
FB		 430 queue_signal(info.si_signo, &info);
431 }
432 break;
1fddef4b
FB		 433 case EXCP_DEBUG:
434 {
435 int sig;
436
437 sig = gdb_handlesig (env, TARGET_SIGTRAP);
438 if (sig)
439 {
440 info.si_signo = sig;
441 info.si_errno = 0;
442 info.si_code = TARGET_TRAP_BRKPT;
443 queue_signal(info.si_signo, &info);
444 }
445 }
446 break;
b346ff46
FB		 447 default:
448 error:
5fafdf24 449 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
b346ff46 450 trapnr);
7fe48483 451 cpu_dump_state(env, stderr, fprintf, 0);
b346ff46
FB		 452 abort();
453 }
454 process_pending_signals(env);
455 }
456}
457
458#endif
1b6b029e 459
93ac68bc
FB		 460#ifdef TARGET_SPARC
461
060366c5
FB		 462//#define DEBUG_WIN
463
2623cbaf
FB		 464/* WARNING: dealing with register windows _is_ complicated. More info
465 can be found at http://www.sics.se/~psm/sparcstack.html */
060366c5
FB		 466static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
467{
468 index = (index + cwp * 16) & (16 * NWINDOWS - 1);
469 /* wrap handling : if cwp is on the last window, then we use the
470 registers 'after' the end */
471 if (index < 8 && env->cwp == (NWINDOWS - 1))
472 index += (16 * NWINDOWS);
473 return index;
474}
475
2623cbaf
FB		 476/* save the register window 'cwp1' */
477static inline void save_window_offset(CPUSPARCState *env, int cwp1)
060366c5 478{
2623cbaf 479 unsigned int i;
992f48a0 480 abi_ulong sp_ptr;
3b46e624 481
53a5960a 482 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5 483#if defined(DEBUG_WIN)
5fafdf24 484 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
060366c5
FB		 485 (int)sp_ptr, cwp1);
486#endif
2623cbaf 487 for(i = 0; i < 16; i++) {
53a5960a 488 tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
992f48a0 489 sp_ptr += sizeof(abi_ulong);
2623cbaf 490 }
060366c5
FB		 491}
492
493static void save_window(CPUSPARCState *env)
494{
5ef54116 495#ifndef TARGET_SPARC64
2623cbaf
FB		 496 unsigned int new_wim;
497 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
498 ((1LL << NWINDOWS) - 1);
499 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
500 env->wim = new_wim;
5ef54116
FB		 501#else
502 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
503 env->cansave++;
504 env->canrestore--;
505#endif
060366c5
FB		 506}
507
508static void restore_window(CPUSPARCState *env)
509{
510 unsigned int new_wim, i, cwp1;
992f48a0 511 abi_ulong sp_ptr;
3b46e624 512
060366c5
FB		 513 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
514 ((1LL << NWINDOWS) - 1);
3b46e624 515
060366c5
FB		 516 /* restore the invalid window */
517 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
53a5960a 518 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5 519#if defined(DEBUG_WIN)
5fafdf24 520 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
060366c5
FB		 521 (int)sp_ptr, cwp1);
522#endif
2623cbaf 523 for(i = 0; i < 16; i++) {
53a5960a 524 env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
992f48a0 525 sp_ptr += sizeof(abi_ulong);
2623cbaf 526 }
060366c5 527 env->wim = new_wim;
5ef54116
FB		 528#ifdef TARGET_SPARC64
529 env->canrestore++;
530 if (env->cleanwin < NWINDOWS - 1)
531 env->cleanwin++;
532 env->cansave--;
533#endif
060366c5
FB		 534}
535
536static void flush_windows(CPUSPARCState *env)
537{
538 int offset, cwp1;
2623cbaf
FB		 539
540 offset = 1;
060366c5
FB		 541 for(;;) {
542 /* if restore would invoke restore_window(), then we can stop */
2623cbaf 543 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
060366c5
FB		 544 if (env->wim & (1 << cwp1))
545 break;
2623cbaf 546 save_window_offset(env, cwp1);
060366c5
FB		 547 offset++;
548 }
2623cbaf
FB		 549 /* set wim so that restore will reload the registers */
550 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
551 env->wim = 1 << cwp1;
552#if defined(DEBUG_WIN)
553 printf("flush_windows: nb=%d\n", offset - 1);
80a9d035 554#endif
2623cbaf 555}
060366c5 556
93ac68bc
FB		 557void cpu_loop (CPUSPARCState *env)
558{
060366c5 559 int trapnr, ret;
61ff6f58 560 target_siginfo_t info;
3b46e624 561
060366c5
FB		 562 while (1) {
563 trapnr = cpu_sparc_exec (env);
3b46e624 564
060366c5 565 switch (trapnr) {
5ef54116 566#ifndef TARGET_SPARC64
5fafdf24 567 case 0x88:
060366c5 568 case 0x90:
5ef54116 569#else
cb33da57 570 case 0x110:
5ef54116
FB		 571 case 0x16d:
572#endif
060366c5 573 ret = do_syscall (env, env->gregs[1],
5fafdf24
TS		 574 env->regwptr[0], env->regwptr[1],
575 env->regwptr[2], env->regwptr[3],
060366c5
FB		 576 env->regwptr[4], env->regwptr[5]);
577 if ((unsigned int)ret >= (unsigned int)(-515)) {
992f48a0 578#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
27908725
FB		 579 env->xcc |= PSR_CARRY;
580#else
060366c5 581 env->psr |= PSR_CARRY;
27908725 582#endif
060366c5
FB		 583 ret = -ret;
584 } else {
992f48a0 585#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
27908725
FB		 586 env->xcc &= ~PSR_CARRY;
587#else
060366c5 588 env->psr &= ~PSR_CARRY;
27908725 589#endif
060366c5
FB		 590 }
591 env->regwptr[0] = ret;
592 /* next instruction */
593 env->pc = env->npc;
594 env->npc = env->npc + 4;
595 break;
596 case 0x83: /* flush windows */
992f48a0
BS		 597#ifdef TARGET_ABI32
598 case 0x103:
599#endif
2623cbaf 600 flush_windows(env);
060366c5
FB		 601 /* next instruction */
602 env->pc = env->npc;
603 env->npc = env->npc + 4;
604 break;
3475187d 605#ifndef TARGET_SPARC64
060366c5
FB		 606 case TT_WIN_OVF: /* window overflow */
607 save_window(env);
608 break;
609 case TT_WIN_UNF: /* window underflow */
610 restore_window(env);
611 break;
61ff6f58
FB		 612 case TT_TFAULT:
613 case TT_DFAULT:
614 {
615 info.si_signo = SIGSEGV;
616 info.si_errno = 0;
617 /* XXX: check env->error_code */
618 info.si_code = TARGET_SEGV_MAPERR;
619 info._sifields._sigfault._addr = env->mmuregs[4];
620 queue_signal(info.si_signo, &info);
621 }
622 break;
3475187d 623#else
5ef54116
FB		 624 case TT_SPILL: /* window overflow */
625 save_window(env);
626 break;
627 case TT_FILL: /* window underflow */
628 restore_window(env);
629 break;
7f84a729
BS		 630 case TT_TFAULT:
631 case TT_DFAULT:
632 {
633 info.si_signo = SIGSEGV;
634 info.si_errno = 0;
635 /* XXX: check env->error_code */
636 info.si_code = TARGET_SEGV_MAPERR;
637 if (trapnr == TT_DFAULT)
638 info._sifields._sigfault._addr = env->dmmuregs[4];
639 else
640 info._sifields._sigfault._addr = env->tpc[env->tl];
641 queue_signal(info.si_signo, &info);
642 }
643 break;
5bfb56b2
BS		 644 case 0x16e:
645 flush_windows(env);
646 sparc64_get_context(env);
647 break;
648 case 0x16f:
649 flush_windows(env);
650 sparc64_set_context(env);
651 break;
3475187d 652#endif
48dc41eb
FB		 653 case EXCP_INTERRUPT:
654 /* just indicate that signals should be handled asap */
655 break;
1fddef4b
FB		 656 case EXCP_DEBUG:
657 {
658 int sig;
659
660 sig = gdb_handlesig (env, TARGET_SIGTRAP);
661 if (sig)
662 {
663 info.si_signo = sig;
664 info.si_errno = 0;
665 info.si_code = TARGET_TRAP_BRKPT;
666 queue_signal(info.si_signo, &info);
667 }
668 }
669 break;
060366c5
FB		 670 default:
671 printf ("Unhandled trap: 0x%x\n", trapnr);
7fe48483 672 cpu_dump_state(env, stderr, fprintf, 0);
060366c5
FB		 673 exit (1);
674 }
675 process_pending_signals (env);
676 }
93ac68bc
FB		 677}
678
679#endif
680
67867308 681#ifdef TARGET_PPC
9fddaa0c
FB		 682static inline uint64_t cpu_ppc_get_tb (CPUState *env)
683{
684 /* TO FIX */
685 return 0;
686}
3b46e624 687
9fddaa0c
FB		 688uint32_t cpu_ppc_load_tbl (CPUState *env)
689{
690 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
691}
3b46e624 692
9fddaa0c
FB		 693uint32_t cpu_ppc_load_tbu (CPUState *env)
694{
695 return cpu_ppc_get_tb(env) >> 32;
696}
3b46e624 697
a062e36c 698uint32_t cpu_ppc_load_atbl (CPUState *env)
9fddaa0c 699{
a062e36c 700 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
9fddaa0c 701}
5fafdf24 702
a062e36c 703uint32_t cpu_ppc_load_atbu (CPUState *env)
9fddaa0c 704{
a062e36c 705 return cpu_ppc_get_tb(env) >> 32;
9fddaa0c 706}
76a66253 707
76a66253
JM		 708uint32_t cpu_ppc601_load_rtcu (CPUState *env)
709__attribute__ (( alias ("cpu_ppc_load_tbu") ));
710
76a66253 711uint32_t cpu_ppc601_load_rtcl (CPUState *env)
9fddaa0c 712{
76a66253 713 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
9fddaa0c 714}
76a66253 715
a750fc0b
JM		 716/* XXX: to be fixed */
717int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
718{
719 return -1;
720}
721
722int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
723{
724 return -1;
725}
726
e1833e1f
JM		 727#define EXCP_DUMP(env, fmt, args...) \
728do { \
729 fprintf(stderr, fmt , ##args); \
730 cpu_dump_state(env, stderr, fprintf, 0); \
731 if (loglevel != 0) { \
732 fprintf(logfile, fmt , ##args); \
733 cpu_dump_state(env, logfile, fprintf, 0); \
734 } \
735} while (0)
736
67867308
FB		 737void cpu_loop(CPUPPCState *env)
738{
67867308 739 target_siginfo_t info;
61190b14
FB		 740 int trapnr;
741 uint32_t ret;
3b46e624 742
67867308
FB		 743 for(;;) {
744 trapnr = cpu_ppc_exec(env);
745 switch(trapnr) {
e1833e1f
JM		 746 case POWERPC_EXCP_NONE:
747 /* Just go on */
67867308 748 break;
e1833e1f
JM		 749 case POWERPC_EXCP_CRITICAL: /* Critical input */
750 cpu_abort(env, "Critical interrupt while in user mode. "
751 "Aborting\n");
61190b14 752 break;
e1833e1f
JM		 753 case POWERPC_EXCP_MCHECK: /* Machine check exception */
754 cpu_abort(env, "Machine check exception while in user mode. "
755 "Aborting\n");
756 break;
757 case POWERPC_EXCP_DSI: /* Data storage exception */
758 EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
759 env->spr[SPR_DAR]);
760 /* XXX: check this. Seems bugged */
2be0071f
FB		 761 switch (env->error_code & 0xFF000000) {
762 case 0x40000000:
61190b14
FB		 763 info.si_signo = TARGET_SIGSEGV;
764 info.si_errno = 0;
765 info.si_code = TARGET_SEGV_MAPERR;
766 break;
2be0071f 767 case 0x04000000:
61190b14
FB		 768 info.si_signo = TARGET_SIGILL;
769 info.si_errno = 0;
770 info.si_code = TARGET_ILL_ILLADR;
771 break;
2be0071f 772 case 0x08000000:
61190b14
FB		 773 info.si_signo = TARGET_SIGSEGV;
774 info.si_errno = 0;
775 info.si_code = TARGET_SEGV_ACCERR;
776 break;
61190b14
FB		 777 default:
778 /* Let's send a regular segfault... */
e1833e1f
JM		 779 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
780 env->error_code);
61190b14
FB		 781 info.si_signo = TARGET_SIGSEGV;
782 info.si_errno = 0;
783 info.si_code = TARGET_SEGV_MAPERR;
784 break;
785 }
67867308
FB		 786 info._sifields._sigfault._addr = env->nip;
787 queue_signal(info.si_signo, &info);
788 break;
e1833e1f
JM		 789 case POWERPC_EXCP_ISI: /* Instruction storage exception */
790 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
f10c315f 791 env->spr[SPR_SRR0]);
e1833e1f 792 /* XXX: check this */
2be0071f
FB		 793 switch (env->error_code & 0xFF000000) {
794 case 0x40000000:
61190b14 795 info.si_signo = TARGET_SIGSEGV;
67867308 796 info.si_errno = 0;
61190b14
FB		 797 info.si_code = TARGET_SEGV_MAPERR;
798 break;
2be0071f
FB		 799 case 0x10000000:
800 case 0x08000000:
61190b14
FB		 801 info.si_signo = TARGET_SIGSEGV;
802 info.si_errno = 0;
803 info.si_code = TARGET_SEGV_ACCERR;
804 break;
805 default:
806 /* Let's send a regular segfault... */
e1833e1f
JM		 807 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
808 env->error_code);
61190b14
FB		 809 info.si_signo = TARGET_SIGSEGV;
810 info.si_errno = 0;
811 info.si_code = TARGET_SEGV_MAPERR;
812 break;
813 }
814 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 815 queue_signal(info.si_signo, &info);
816 break;
e1833e1f
JM		 817 case POWERPC_EXCP_EXTERNAL: /* External input */
818 cpu_abort(env, "External interrupt while in user mode. "
819 "Aborting\n");
820 break;
821 case POWERPC_EXCP_ALIGN: /* Alignment exception */
822 EXCP_DUMP(env, "Unaligned memory access\n");
823 /* XXX: check this */
61190b14 824 info.si_signo = TARGET_SIGBUS;
67867308 825 info.si_errno = 0;
61190b14
FB		 826 info.si_code = TARGET_BUS_ADRALN;
827 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 828 queue_signal(info.si_signo, &info);
829 break;
e1833e1f
JM		 830 case POWERPC_EXCP_PROGRAM: /* Program exception */
831 /* XXX: check this */
61190b14 832 switch (env->error_code & ~0xF) {
e1833e1f
JM		 833 case POWERPC_EXCP_FP:
834 EXCP_DUMP(env, "Floating point program exception\n");
61190b14
FB		 835 info.si_signo = TARGET_SIGFPE;
836 info.si_errno = 0;
837 switch (env->error_code & 0xF) {
e1833e1f 838 case POWERPC_EXCP_FP_OX:
61190b14
FB		 839 info.si_code = TARGET_FPE_FLTOVF;
840 break;
e1833e1f 841 case POWERPC_EXCP_FP_UX:
61190b14
FB		 842 info.si_code = TARGET_FPE_FLTUND;
843 break;
e1833e1f
JM		 844 case POWERPC_EXCP_FP_ZX:
845 case POWERPC_EXCP_FP_VXZDZ:
61190b14
FB		 846 info.si_code = TARGET_FPE_FLTDIV;
847 break;
e1833e1f 848 case POWERPC_EXCP_FP_XX:
61190b14
FB		 849 info.si_code = TARGET_FPE_FLTRES;
850 break;
e1833e1f 851 case POWERPC_EXCP_FP_VXSOFT:
61190b14
FB		 852 info.si_code = TARGET_FPE_FLTINV;
853 break;
7c58044c 854 case POWERPC_EXCP_FP_VXSNAN:
e1833e1f
JM		 855 case POWERPC_EXCP_FP_VXISI:
856 case POWERPC_EXCP_FP_VXIDI:
857 case POWERPC_EXCP_FP_VXIMZ:
858 case POWERPC_EXCP_FP_VXVC:
859 case POWERPC_EXCP_FP_VXSQRT:
860 case POWERPC_EXCP_FP_VXCVI:
61190b14
FB		 861 info.si_code = TARGET_FPE_FLTSUB;
862 break;
863 default:
e1833e1f
JM		 864 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
865 env->error_code);
866 break;
61190b14 867 }
e1833e1f
JM		 868 break;
869 case POWERPC_EXCP_INVAL:
870 EXCP_DUMP(env, "Invalid instruction\n");
61190b14
FB		 871 info.si_signo = TARGET_SIGILL;
872 info.si_errno = 0;
873 switch (env->error_code & 0xF) {
e1833e1f 874 case POWERPC_EXCP_INVAL_INVAL:
61190b14
FB		 875 info.si_code = TARGET_ILL_ILLOPC;
876 break;
e1833e1f 877 case POWERPC_EXCP_INVAL_LSWX:
a750fc0b 878 info.si_code = TARGET_ILL_ILLOPN;
61190b14 879 break;
e1833e1f 880 case POWERPC_EXCP_INVAL_SPR:
61190b14
FB		 881 info.si_code = TARGET_ILL_PRVREG;
882 break;
e1833e1f 883 case POWERPC_EXCP_INVAL_FP:
61190b14
FB		 884 info.si_code = TARGET_ILL_COPROC;
885 break;
886 default:
e1833e1f
JM		 887 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
888 env->error_code & 0xF);
61190b14
FB		 889 info.si_code = TARGET_ILL_ILLADR;
890 break;
891 }
892 break;
e1833e1f
JM		 893 case POWERPC_EXCP_PRIV:
894 EXCP_DUMP(env, "Privilege violation\n");
61190b14
FB		 895 info.si_signo = TARGET_SIGILL;
896 info.si_errno = 0;
897 switch (env->error_code & 0xF) {
e1833e1f 898 case POWERPC_EXCP_PRIV_OPC:
61190b14
FB		 899 info.si_code = TARGET_ILL_PRVOPC;
900 break;
e1833e1f 901 case POWERPC_EXCP_PRIV_REG:
61190b14 902 info.si_code = TARGET_ILL_PRVREG;
e1833e1f 903 break;
61190b14 904 default:
e1833e1f
JM		 905 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
906 env->error_code & 0xF);
61190b14
FB		 907 info.si_code = TARGET_ILL_PRVOPC;
908 break;
909 }
910 break;
e1833e1f
JM		 911 case POWERPC_EXCP_TRAP:
912 cpu_abort(env, "Tried to call a TRAP\n");
913 break;
61190b14
FB		 914 default:
915 /* Should not happen ! */
e1833e1f
JM		 916 cpu_abort(env, "Unknown program exception (%02x)\n",
917 env->error_code);
918 break;
61190b14
FB		 919 }
920 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 921 queue_signal(info.si_signo, &info);
922 break;
e1833e1f
JM		 923 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
924 EXCP_DUMP(env, "No floating point allowed\n");
61190b14 925 info.si_signo = TARGET_SIGILL;
67867308 926 info.si_errno = 0;
61190b14
FB		 927 info.si_code = TARGET_ILL_COPROC;
928 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 929 queue_signal(info.si_signo, &info);
930 break;
e1833e1f
JM		 931 case POWERPC_EXCP_SYSCALL: /* System call exception */
932 cpu_abort(env, "Syscall exception while in user mode. "
933 "Aborting\n");
61190b14 934 break;
e1833e1f
JM		 935 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
936 EXCP_DUMP(env, "No APU instruction allowed\n");
937 info.si_signo = TARGET_SIGILL;
938 info.si_errno = 0;
939 info.si_code = TARGET_ILL_COPROC;
940 info._sifields._sigfault._addr = env->nip - 4;
941 queue_signal(info.si_signo, &info);
61190b14 942 break;
e1833e1f
JM		 943 case POWERPC_EXCP_DECR: /* Decrementer exception */
944 cpu_abort(env, "Decrementer interrupt while in user mode. "
945 "Aborting\n");
61190b14 946 break;
e1833e1f
JM		 947 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
948 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
949 "Aborting\n");
950 break;
951 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
952 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
953 "Aborting\n");
954 break;
955 case POWERPC_EXCP_DTLB: /* Data TLB error */
956 cpu_abort(env, "Data TLB exception while in user mode. "
957 "Aborting\n");
958 break;
959 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
960 cpu_abort(env, "Instruction TLB exception while in user mode. "
961 "Aborting\n");
962 break;
963 case POWERPC_EXCP_DEBUG: /* Debug interrupt */
964 /* XXX: check this */
1fddef4b
FB		 965 {
966 int sig;
967
e1833e1f
JM		 968 sig = gdb_handlesig(env, TARGET_SIGTRAP);
969 if (sig) {
1fddef4b
FB		 970 info.si_signo = sig;
971 info.si_errno = 0;
972 info.si_code = TARGET_TRAP_BRKPT;
973 queue_signal(info.si_signo, &info);
974 }
975 }
976 break;
e1833e1f
JM		 977#if defined(TARGET_PPCEMB)
978 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
979 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
980 info.si_signo = TARGET_SIGILL;
981 info.si_errno = 0;
982 info.si_code = TARGET_ILL_COPROC;
983 info._sifields._sigfault._addr = env->nip - 4;
984 queue_signal(info.si_signo, &info);
985 break;
986 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
987 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
988 break;
989 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
990 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
991 break;
992 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
993 cpu_abort(env, "Performance monitor exception not handled\n");
994 break;
995 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
996 cpu_abort(env, "Doorbell interrupt while in user mode. "
997 "Aborting\n");
998 break;
999 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1000 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1001 "Aborting\n");
1002 break;
1003 case POWERPC_EXCP_RESET: /* System reset exception */
1004 cpu_abort(env, "Reset interrupt while in user mode. "
1005 "Aborting\n");
1006 break;
1007#endif /* defined(TARGET_PPCEMB) */
e85e7c6e 1008#if defined(TARGET_PPC64) && !defined(TARGET_ABI32) /* PowerPC 64 */
e1833e1f
JM		 1009 case POWERPC_EXCP_DSEG: /* Data segment exception */
1010 cpu_abort(env, "Data segment exception while in user mode. "
1011 "Aborting\n");
1012 break;
1013 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1014 cpu_abort(env, "Instruction segment exception "
1015 "while in user mode. Aborting\n");
1016 break;
e85e7c6e
JM		 1017#endif /* defined(TARGET_PPC64) && !defined(TARGET_ABI32) */
1018#if defined(TARGET_PPC64H) && !defined(TARGET_ABI32)
1019 /* PowerPC 64 with hypervisor mode support */
e1833e1f
JM		 1020 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1021 cpu_abort(env, "Hypervisor decrementer interrupt "
1022 "while in user mode. Aborting\n");
1023 break;
e85e7c6e 1024#endif /* defined(TARGET_PPC64H) && !defined(TARGET_ABI32) */
e1833e1f
JM		 1025 case POWERPC_EXCP_TRACE: /* Trace exception */
1026 /* Nothing to do:
1027 * we use this exception to emulate step-by-step execution mode.
1028 */
1029 break;
e85e7c6e
JM		 1030#if defined(TARGET_PPC64H) && !defined(TARGET_ABI32)
1031 /* PowerPC 64 with hypervisor mode support */
e1833e1f
JM		 1032 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1033 cpu_abort(env, "Hypervisor data storage exception "
1034 "while in user mode. Aborting\n");
1035 break;
1036 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1037 cpu_abort(env, "Hypervisor instruction storage exception "
1038 "while in user mode. Aborting\n");
1039 break;
1040 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1041 cpu_abort(env, "Hypervisor data segment exception "
1042 "while in user mode. Aborting\n");
1043 break;
1044 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1045 cpu_abort(env, "Hypervisor instruction segment exception "
1046 "while in user mode. Aborting\n");
1047 break;
e85e7c6e 1048#endif /* defined(TARGET_PPC64H) && !defined(TARGET_ABI32) */
e1833e1f
JM		 1049 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1050 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1051 info.si_signo = TARGET_SIGILL;
1052 info.si_errno = 0;
1053 info.si_code = TARGET_ILL_COPROC;
1054 info._sifields._sigfault._addr = env->nip - 4;
1055 queue_signal(info.si_signo, &info);
1056 break;
1057 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1058 cpu_abort(env, "Programable interval timer interrupt "
1059 "while in user mode. Aborting\n");
1060 break;
1061 case POWERPC_EXCP_IO: /* IO error exception */
1062 cpu_abort(env, "IO error exception while in user mode. "
1063 "Aborting\n");
1064 break;
1065 case POWERPC_EXCP_RUNM: /* Run mode exception */
1066 cpu_abort(env, "Run mode exception while in user mode. "
1067 "Aborting\n");
1068 break;
1069 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1070 cpu_abort(env, "Emulation trap exception not handled\n");
1071 break;
1072 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1073 cpu_abort(env, "Instruction fetch TLB exception "
1074 "while in user-mode. Aborting");
1075 break;
1076 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1077 cpu_abort(env, "Data load TLB exception while in user-mode. "
1078 "Aborting");
1079 break;
1080 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1081 cpu_abort(env, "Data store TLB exception while in user-mode. "
1082 "Aborting");
1083 break;
1084 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1085 cpu_abort(env, "Floating-point assist exception not handled\n");
1086 break;
1087 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1088 cpu_abort(env, "Instruction address breakpoint exception "
1089 "not handled\n");
1090 break;
1091 case POWERPC_EXCP_SMI: /* System management interrupt */
1092 cpu_abort(env, "System management interrupt while in user mode. "
1093 "Aborting\n");
1094 break;
1095 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1096 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1097 "Aborting\n");
1098 break;
1099 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1100 cpu_abort(env, "Performance monitor exception not handled\n");
1101 break;
1102 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1103 cpu_abort(env, "Vector assist exception not handled\n");
1104 break;
1105 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1106 cpu_abort(env, "Soft patch exception not handled\n");
1107 break;
1108 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1109 cpu_abort(env, "Maintenance exception while in user mode. "
1110 "Aborting\n");
1111 break;
1112 case POWERPC_EXCP_STOP: /* stop translation */
1113 /* We did invalidate the instruction cache. Go on */
1114 break;
1115 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1116 /* We just stopped because of a branch. Go on */
1117 break;
1118 case POWERPC_EXCP_SYSCALL_USER:
1119 /* system call in user-mode emulation */
1120 /* WARNING:
1121 * PPC ABI uses overflow flag in cr0 to signal an error
1122 * in syscalls.
1123 */
1124#if 0
1125 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1126 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1127#endif
1128 env->crf[0] &= ~0x1;
1129 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1130 env->gpr[5], env->gpr[6], env->gpr[7],
1131 env->gpr[8]);
1132 if (ret > (uint32_t)(-515)) {
1133 env->crf[0] |= 0x1;
1134 ret = -ret;
61190b14 1135 }
e1833e1f
JM		 1136 env->gpr[3] = ret;
1137#if 0
1138 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1139#endif
1140 break;
56ba31ff
JM		 1141 case EXCP_INTERRUPT:
1142 /* just indicate that signals should be handled asap */
1143 break;
e1833e1f
JM		 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;
992f48a0
BS		 1494 abi_ulong sp_reg;
1495 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
388bb21a
TS		 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
48733d19
TS		 1607#ifdef TARGET_CRIS
1608void cpu_loop (CPUState *env)
1609{
1610 int trapnr, ret;
1611 target_siginfo_t info;
1612
1613 while (1) {
1614 trapnr = cpu_cris_exec (env);
1615 switch (trapnr) {
1616 case 0xaa:
1617 {
1618 info.si_signo = SIGSEGV;
1619 info.si_errno = 0;
1620 /* XXX: check env->error_code */
1621 info.si_code = TARGET_SEGV_MAPERR;
1622 info._sifields._sigfault._addr = env->debug1;
1623 queue_signal(info.si_signo, &info);
1624 }
1625 break;
1626 case EXCP_BREAK:
1627 ret = do_syscall(env,
1628 env->regs[9],
1629 env->regs[10],
1630 env->regs[11],
1631 env->regs[12],
1632 env->regs[13],
1633 env->pregs[7],
1634 env->pregs[11]);
1635 env->regs[10] = ret;
1636 env->pc += 2;
1637 break;
1638 case EXCP_DEBUG:
1639 {
1640 int sig;
1641
1642 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1643 if (sig)
1644 {
1645 info.si_signo = sig;
1646 info.si_errno = 0;
1647 info.si_code = TARGET_TRAP_BRKPT;
1648 queue_signal(info.si_signo, &info);
1649 }
1650 }
1651 break;
1652 default:
1653 printf ("Unhandled trap: 0x%x\n", trapnr);
1654 cpu_dump_state(env, stderr, fprintf, 0);
1655 exit (1);
1656 }
1657 process_pending_signals (env);
1658 }
1659}
1660#endif
1661
e6e5906b
PB		 1662#ifdef TARGET_M68K
1663
1664void cpu_loop(CPUM68KState *env)
1665{
1666 int trapnr;
1667 unsigned int n;
1668 target_siginfo_t info;
1669 TaskState *ts = env->opaque;
3b46e624 1670
e6e5906b
PB		 1671 for(;;) {
1672 trapnr = cpu_m68k_exec(env);
1673 switch(trapnr) {
1674 case EXCP_ILLEGAL:
1675 {
1676 if (ts->sim_syscalls) {
1677 uint16_t nr;
1678 nr = lduw(env->pc + 2);
1679 env->pc += 4;
1680 do_m68k_simcall(env, nr);
1681 } else {
1682 goto do_sigill;
1683 }
1684 }
1685 break;
a87295e8 1686 case EXCP_HALT_INSN:
e6e5906b 1687 /* Semihosing syscall. */
a87295e8 1688 env->pc += 4;
e6e5906b
PB		 1689 do_m68k_semihosting(env, env->dregs[0]);
1690 break;
1691 case EXCP_LINEA:
1692 case EXCP_LINEF:
1693 case EXCP_UNSUPPORTED:
1694 do_sigill:
1695 info.si_signo = SIGILL;
1696 info.si_errno = 0;
1697 info.si_code = TARGET_ILL_ILLOPN;
1698 info._sifields._sigfault._addr = env->pc;
1699 queue_signal(info.si_signo, &info);
1700 break;
1701 case EXCP_TRAP0:
1702 {
1703 ts->sim_syscalls = 0;
1704 n = env->dregs[0];
1705 env->pc += 2;
5fafdf24
TS		 1706 env->dregs[0] = do_syscall(env,
1707 n,
e6e5906b
PB		 1708 env->dregs[1],
1709 env->dregs[2],
1710 env->dregs[3],
1711 env->dregs[4],
1712 env->dregs[5],
1713 env->dregs[6]);
1714 }
1715 break;
1716 case EXCP_INTERRUPT:
1717 /* just indicate that signals should be handled asap */
1718 break;
1719 case EXCP_ACCESS:
1720 {
1721 info.si_signo = SIGSEGV;
1722 info.si_errno = 0;
1723 /* XXX: check env->error_code */
1724 info.si_code = TARGET_SEGV_MAPERR;
1725 info._sifields._sigfault._addr = env->mmu.ar;
1726 queue_signal(info.si_signo, &info);
1727 }
1728 break;
1729 case EXCP_DEBUG:
1730 {
1731 int sig;
1732
1733 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1734 if (sig)
1735 {
1736 info.si_signo = sig;
1737 info.si_errno = 0;
1738 info.si_code = TARGET_TRAP_BRKPT;
1739 queue_signal(info.si_signo, &info);
1740 }
1741 }
1742 break;
1743 default:
5fafdf24 1744 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
e6e5906b
PB		 1745 trapnr);
1746 cpu_dump_state(env, stderr, fprintf, 0);
1747 abort();
1748 }
1749 process_pending_signals(env);
1750 }
1751}
1752#endif /* TARGET_M68K */
1753
7a3148a9
JM		 1754#ifdef TARGET_ALPHA
1755void cpu_loop (CPUState *env)
1756{
e96efcfc 1757 int trapnr;
7a3148a9 1758 target_siginfo_t info;
3b46e624 1759
7a3148a9
JM		 1760 while (1) {
1761 trapnr = cpu_alpha_exec (env);
3b46e624 1762
7a3148a9
JM		 1763 switch (trapnr) {
1764 case EXCP_RESET:
1765 fprintf(stderr, "Reset requested. Exit\n");
1766 exit(1);
1767 break;
1768 case EXCP_MCHK:
1769 fprintf(stderr, "Machine check exception. Exit\n");
1770 exit(1);
1771 break;
1772 case EXCP_ARITH:
1773 fprintf(stderr, "Arithmetic trap.\n");
1774 exit(1);
1775 break;
1776 case EXCP_HW_INTERRUPT:
5fafdf24 1777 fprintf(stderr, "External interrupt. Exit\n");
7a3148a9
JM		 1778 exit(1);
1779 break;
1780 case EXCP_DFAULT:
1781 fprintf(stderr, "MMU data fault\n");
1782 exit(1);
1783 break;
1784 case EXCP_DTB_MISS_PAL:
1785 fprintf(stderr, "MMU data TLB miss in PALcode\n");
1786 exit(1);
1787 break;
1788 case EXCP_ITB_MISS:
1789 fprintf(stderr, "MMU instruction TLB miss\n");
1790 exit(1);
1791 break;
1792 case EXCP_ITB_ACV:
1793 fprintf(stderr, "MMU instruction access violation\n");
1794 exit(1);
1795 break;
1796 case EXCP_DTB_MISS_NATIVE:
1797 fprintf(stderr, "MMU data TLB miss\n");
1798 exit(1);
1799 break;
1800 case EXCP_UNALIGN:
1801 fprintf(stderr, "Unaligned access\n");
1802 exit(1);
1803 break;
1804 case EXCP_OPCDEC:
1805 fprintf(stderr, "Invalid instruction\n");
1806 exit(1);
1807 break;
1808 case EXCP_FEN:
1809 fprintf(stderr, "Floating-point not allowed\n");
1810 exit(1);
1811 break;
1812 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
1813 fprintf(stderr, "Call to PALcode\n");
1814 call_pal(env, (trapnr >> 6) | 0x80);
1815 break;
1816 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
7f75ffd3 1817 fprintf(stderr, "Privileged call to PALcode\n");
7a3148a9
JM		 1818 exit(1);
1819 break;
1820 case EXCP_DEBUG:
1821 {
1822 int sig;
1823
1824 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1825 if (sig)
1826 {
1827 info.si_signo = sig;
1828 info.si_errno = 0;
1829 info.si_code = TARGET_TRAP_BRKPT;
1830 queue_signal(info.si_signo, &info);
1831 }
1832 }
1833 break;
1834 default:
1835 printf ("Unhandled trap: 0x%x\n", trapnr);
1836 cpu_dump_state(env, stderr, fprintf, 0);
1837 exit (1);
1838 }
1839 process_pending_signals (env);
1840 }
1841}
1842#endif /* TARGET_ALPHA */
1843
31e31b8a
FB		 1844void usage(void)
1845{
84f2e8ef 1846 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
b1f9be31 1847 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n"
b346ff46 1848 "Linux CPU emulator (compiled for %s emulation)\n"
d691f669 1849 "\n"
b12b6a18
TS		 1850 "-h print this help\n"
1851 "-g port wait gdb connection to port\n"
1852 "-L path set the elf interpreter prefix (default=%s)\n"
1853 "-s size set the stack size in bytes (default=%ld)\n"
1854 "-cpu model select CPU (-cpu ? for list)\n"
1855 "-drop-ld-preload drop LD_PRELOAD for target process\n"
54936004
FB		 1856 "\n"
1857 "debug options:\n"
6f1f31c0 1858 "-d options activate log (logfile=%s)\n"
54936004 1859 "-p pagesize set the host page size to 'pagesize'\n",
b346ff46 1860 TARGET_ARCH,
5fafdf24 1861 interp_prefix,
54936004
FB		 1862 x86_stack_size,
1863 DEBUG_LOGFILE);
74cd30b8 1864 _exit(1);
31e31b8a
FB		 1865}
1866
9de5e440 1867/* XXX: currently only used for async signals (see signal.c) */
b346ff46 1868CPUState *global_env;
59faf6d6 1869
851e67a1
FB		 1870/* used to free thread contexts */
1871TaskState *first_task_state;
9de5e440 1872
31e31b8a
FB		 1873int main(int argc, char **argv)
1874{
1875 const char *filename;
b1f9be31 1876 const char *cpu_model;
01ffc75b 1877 struct target_pt_regs regs1, *regs = &regs1;
31e31b8a 1878 struct image_info info1, *info = &info1;
851e67a1 1879 TaskState ts1, *ts = &ts1;
b346ff46 1880 CPUState *env;
586314f2 1881 int optind;
d691f669 1882 const char *r;
74c33bed 1883 int gdbstub_port = 0;
b12b6a18
TS		 1884 int drop_ld_preload = 0, environ_count = 0;
1885 char **target_environ, **wrk, **dst;
1886
31e31b8a
FB		 1887 if (argc <= 1)
1888 usage();
f801f97e 1889
cc38b844
FB		 1890 /* init debug */
1891 cpu_set_log_filename(DEBUG_LOGFILE);
1892
b1f9be31 1893 cpu_model = NULL;
586314f2 1894 optind = 1;
d691f669
FB		 1895 for(;;) {
1896 if (optind >= argc)
1897 break;
1898 r = argv[optind];
1899 if (r[0] != '-')
1900 break;
586314f2 1901 optind++;
d691f669
FB		 1902 r++;
1903 if (!strcmp(r, "-")) {
1904 break;
1905 } else if (!strcmp(r, "d")) {
e19e89a5
FB		 1906 int mask;
1907 CPULogItem *item;
6f1f31c0
FB		 1908
1909 if (optind >= argc)
1910 break;
3b46e624 1911
6f1f31c0
FB		 1912 r = argv[optind++];
1913 mask = cpu_str_to_log_mask(r);
e19e89a5
FB		 1914 if (!mask) {
1915 printf("Log items (comma separated):\n");
1916 for(item = cpu_log_items; item->mask != 0; item++) {
1917 printf("%-10s %s\n", item->name, item->help);
1918 }
1919 exit(1);
1920 }
1921 cpu_set_log(mask);
d691f669
FB		 1922 } else if (!strcmp(r, "s")) {
1923 r = argv[optind++];
1924 x86_stack_size = strtol(r, (char **)&r, 0);
1925 if (x86_stack_size <= 0)
1926 usage();
1927 if (*r == 'M')
1928 x86_stack_size *= 1024 * 1024;
1929 else if (*r == 'k' || *r == 'K')
1930 x86_stack_size *= 1024;
1931 } else if (!strcmp(r, "L")) {
1932 interp_prefix = argv[optind++];
54936004 1933 } else if (!strcmp(r, "p")) {
83fb7adf
FB		 1934 qemu_host_page_size = atoi(argv[optind++]);
1935 if (qemu_host_page_size == 0 ||
1936 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
54936004
FB		 1937 fprintf(stderr, "page size must be a power of two\n");
1938 exit(1);
1939 }
1fddef4b 1940 } else if (!strcmp(r, "g")) {
74c33bed 1941 gdbstub_port = atoi(argv[optind++]);
c5937220
PB		 1942 } else if (!strcmp(r, "r")) {
1943 qemu_uname_release = argv[optind++];
b1f9be31
JM		 1944 } else if (!strcmp(r, "cpu")) {
1945 cpu_model = argv[optind++];
1946 if (strcmp(cpu_model, "?") == 0) {
c732abe2
JM		 1947/* XXX: implement xxx_cpu_list for targets that still miss it */
1948#if defined(cpu_list)
1949 cpu_list(stdout, &fprintf);
b1f9be31 1950#endif
cff4cbed 1951 _exit(1);
b1f9be31 1952 }
b12b6a18
TS		 1953 } else if (!strcmp(r, "drop-ld-preload")) {
1954 drop_ld_preload = 1;
5fafdf24 1955 } else
c6981055 1956 {
d691f669
FB		 1957 usage();
1958 }
586314f2 1959 }
d691f669
FB		 1960 if (optind >= argc)
1961 usage();
586314f2
FB		 1962 filename = argv[optind];
1963
31e31b8a 1964 /* Zero out regs */
01ffc75b 1965 memset(regs, 0, sizeof(struct target_pt_regs));
31e31b8a
FB		 1966
1967 /* Zero out image_info */
1968 memset(info, 0, sizeof(struct image_info));
1969
74cd30b8
FB		 1970 /* Scan interp_prefix dir for replacement files. */
1971 init_paths(interp_prefix);
1972
46027c07
FB		 1973#if defined(TARGET_I386)
1974 /* must be done before cpu_init() for x86 XXX: suppress this hack
1975 by adding a new parameter to cpu_init and by suppressing
1976 cpu_xxx_register() */
1977 if (cpu_model == NULL) {
1978#ifdef TARGET_X86_64
1979 cpu_model = "qemu64";
1980#else
1981 cpu_model = "qemu32";
1982#endif
1983 }
1984 if (x86_find_cpu_by_name(cpu_model)) {
1985 fprintf(stderr, "Unable to find x86 CPU definition\n");
1986 exit(1);
1987 }
1988#endif
1989
83fb7adf
FB		 1990 /* NOTE: we need to init the CPU at this stage to get
1991 qemu_host_page_size */
b346ff46 1992 env = cpu_init();
15338fd7 1993 global_env = env;
3b46e624 1994
b92c47c1
TS		 1995 if(getenv("QEMU_STRACE") ){
1996 do_strace=1;
1997 }
1998
b12b6a18
TS		 1999 wrk = environ;
2000 while (*(wrk++))
2001 environ_count++;
2002
2003 target_environ = malloc((environ_count + 1) * sizeof(char *));
2004 if (!target_environ)
2005 abort();
2006 for (wrk = environ, dst = target_environ; *wrk; wrk++) {
2007 if (drop_ld_preload && !strncmp(*wrk, "LD_PRELOAD=", 11))
2008 continue;
2009 *(dst++) = strdup(*wrk);
2010 }
403f14ef 2011 *dst = NULL; /* NULL terminate target_environ */
b12b6a18
TS		 2012
2013 if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) {
2014 printf("Error loading %s\n", filename);
2015 _exit(1);
2016 }
2017
2018 for (wrk = target_environ; *wrk; wrk++) {
2019 free(*wrk);
31e31b8a 2020 }
3b46e624 2021
b12b6a18
TS		 2022 free(target_environ);
2023
4b74fe1f 2024 if (loglevel) {
54936004 2025 page_dump(logfile);
3b46e624 2026
3d177870
JM		 2027 fprintf(logfile, "start_brk 0x" TARGET_FMT_lx "\n", info->start_brk);
2028 fprintf(logfile, "end_code 0x" TARGET_FMT_lx "\n", info->end_code);
2029 fprintf(logfile, "start_code 0x" TARGET_FMT_lx "\n",
2030 info->start_code);
2031 fprintf(logfile, "start_data 0x" TARGET_FMT_lx "\n",
2032 info->start_data);
2033 fprintf(logfile, "end_data 0x" TARGET_FMT_lx "\n", info->end_data);
2034 fprintf(logfile, "start_stack 0x" TARGET_FMT_lx "\n",
2035 info->start_stack);
2036 fprintf(logfile, "brk 0x" TARGET_FMT_lx "\n", info->brk);
2037 fprintf(logfile, "entry 0x" TARGET_FMT_lx "\n", info->entry);
4b74fe1f 2038 }
31e31b8a 2039
53a5960a 2040 target_set_brk(info->brk);
31e31b8a 2041 syscall_init();
66fb9763 2042 signal_init();
31e31b8a 2043
851e67a1
FB		 2044 /* build Task State */
2045 memset(ts, 0, sizeof(TaskState));
2046 env->opaque = ts;
2047 ts->used = 1;
978efd6a 2048 ts->info = info;
59faf6d6 2049 env->user_mode_only = 1;
3b46e624 2050
b346ff46 2051#if defined(TARGET_I386)
2e255c6b
FB		 2052 cpu_x86_set_cpl(env, 3);
2053
3802ce26 2054 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1bde465e
FB		 2055 env->hflags |= HF_PE_MASK;
2056 if (env->cpuid_features & CPUID_SSE) {
2057 env->cr[4] |= CR4_OSFXSR_MASK;
2058 env->hflags |= HF_OSFXSR_MASK;
2059 }
2060
415e561f
FB		 2061 /* flags setup : we activate the IRQs by default as in user mode */
2062 env->eflags |= IF_MASK;
3b46e624 2063
6dbad63e 2064 /* linux register setup */
84409ddb
JM		 2065#if defined(TARGET_X86_64)
2066 env->regs[R_EAX] = regs->rax;
2067 env->regs[R_EBX] = regs->rbx;
2068 env->regs[R_ECX] = regs->rcx;
2069 env->regs[R_EDX] = regs->rdx;
2070 env->regs[R_ESI] = regs->rsi;
2071 env->regs[R_EDI] = regs->rdi;
2072 env->regs[R_EBP] = regs->rbp;
2073 env->regs[R_ESP] = regs->rsp;
2074 env->eip = regs->rip;
2075#else
0ecfa993
FB		 2076 env->regs[R_EAX] = regs->eax;
2077 env->regs[R_EBX] = regs->ebx;
2078 env->regs[R_ECX] = regs->ecx;
2079 env->regs[R_EDX] = regs->edx;
2080 env->regs[R_ESI] = regs->esi;
2081 env->regs[R_EDI] = regs->edi;
2082 env->regs[R_EBP] = regs->ebp;
2083 env->regs[R_ESP] = regs->esp;
dab2ed99 2084 env->eip = regs->eip;
84409ddb 2085#endif
31e31b8a 2086
f4beb510 2087 /* linux interrupt setup */
53a5960a 2088 env->idt.base = h2g(idt_table);
f4beb510
FB		 2089 env->idt.limit = sizeof(idt_table) - 1;
2090 set_idt(0, 0);
2091 set_idt(1, 0);
2092 set_idt(2, 0);
2093 set_idt(3, 3);
2094 set_idt(4, 3);
2095 set_idt(5, 3);
2096 set_idt(6, 0);
2097 set_idt(7, 0);
2098 set_idt(8, 0);
2099 set_idt(9, 0);
2100 set_idt(10, 0);
2101 set_idt(11, 0);
2102 set_idt(12, 0);
2103 set_idt(13, 0);
2104 set_idt(14, 0);
2105 set_idt(15, 0);
2106 set_idt(16, 0);
2107 set_idt(17, 0);
2108 set_idt(18, 0);
2109 set_idt(19, 0);
2110 set_idt(0x80, 3);
2111
6dbad63e 2112 /* linux segment setup */
53a5960a 2113 env->gdt.base = h2g(gdt_table);
6dbad63e 2114 env->gdt.limit = sizeof(gdt_table) - 1;
f4beb510 2115 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
5fafdf24 2116 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
f4beb510
FB		 2117 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2118 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
5fafdf24 2119 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
f4beb510 2120 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
6dbad63e
FB		 2121 cpu_x86_load_seg(env, R_CS, __USER_CS);
2122 cpu_x86_load_seg(env, R_DS, __USER_DS);
2123 cpu_x86_load_seg(env, R_ES, __USER_DS);
2124 cpu_x86_load_seg(env, R_SS, __USER_DS);
2125 cpu_x86_load_seg(env, R_FS, __USER_DS);
2126 cpu_x86_load_seg(env, R_GS, __USER_DS);
92ccca6a 2127
d6eb40f6
TS		 2128 /* This hack makes Wine work... */
2129 env->segs[R_FS].selector = 0;
b346ff46
FB		 2130#elif defined(TARGET_ARM)
2131 {
2132 int i;
b1f9be31
JM		 2133 if (cpu_model == NULL)
2134 cpu_model = "arm926";
2135 cpu_arm_set_model(env, cpu_model);
b5ff1b31 2136 cpsr_write(env, regs->uregs[16], 0xffffffff);
b346ff46
FB		 2137 for(i = 0; i < 16; i++) {
2138 env->regs[i] = regs->uregs[i];
2139 }
b346ff46 2140 }
93ac68bc 2141#elif defined(TARGET_SPARC)
060366c5
FB		 2142 {
2143 int i;
925fb139
BS		 2144 const sparc_def_t *def;
2145#ifdef TARGET_SPARC64
2146 if (cpu_model == NULL)
2147 cpu_model = "TI UltraSparc II";
2148#else
2149 if (cpu_model == NULL)
2150 cpu_model = "Fujitsu MB86904";
2151#endif
2152 sparc_find_by_name(cpu_model, &def);
2153 if (def == NULL) {
2154 fprintf(stderr, "Unable to find Sparc CPU definition\n");
2155 exit(1);
2156 }
952a328f 2157 cpu_sparc_register(env, def, 0);
060366c5
FB		 2158 env->pc = regs->pc;
2159 env->npc = regs->npc;
2160 env->y = regs->y;
2161 for(i = 0; i < 8; i++)
2162 env->gregs[i] = regs->u_regs[i];
2163 for(i = 0; i < 8; i++)
2164 env->regwptr[i] = regs->u_regs[i + 8];
2165 }
67867308
FB		 2166#elif defined(TARGET_PPC)
2167 {
3fc6c082 2168 ppc_def_t *def;
67867308 2169 int i;
3fc6c082
FB		 2170
2171 /* Choose and initialise CPU */
b1f9be31
JM		 2172 if (cpu_model == NULL)
2173 cpu_model = "750";
2174 ppc_find_by_name(cpu_model, &def);
3fc6c082 2175 if (def == NULL) {
c68ea704 2176 cpu_abort(env,
3fc6c082
FB		 2177 "Unable to find PowerPC CPU definition\n");
2178 }
c68ea704 2179 cpu_ppc_register(env, def);
1cc8e6f0 2180 cpu_ppc_reset(env);
0411a972
JM		 2181#if defined(TARGET_PPC64)
2182#if defined(TARGET_ABI32)
2183 env->msr &= ~((target_ulong)1 << MSR_SF);
e85e7c6e 2184#else
0411a972
JM		 2185 env->msr |= (target_ulong)1 << MSR_SF;
2186#endif
84409ddb 2187#endif
67867308
FB		 2188 env->nip = regs->nip;
2189 for(i = 0; i < 32; i++) {
2190 env->gpr[i] = regs->gpr[i];
2191 }
2192 }
e6e5906b
PB		 2193#elif defined(TARGET_M68K)
2194 {
0633879f 2195 if (cpu_model == NULL)
0402f767 2196 cpu_model = "any";
0633879f 2197 if (cpu_m68k_set_model(env, cpu_model)) {
e6e5906b
PB		 2198 cpu_abort(cpu_single_env,
2199 "Unable to find m68k CPU definition\n");
2200 }
e6e5906b
PB		 2201 env->pc = regs->pc;
2202 env->dregs[0] = regs->d0;
2203 env->dregs[1] = regs->d1;
2204 env->dregs[2] = regs->d2;
2205 env->dregs[3] = regs->d3;
2206 env->dregs[4] = regs->d4;
2207 env->dregs[5] = regs->d5;
2208 env->dregs[6] = regs->d6;
2209 env->dregs[7] = regs->d7;
2210 env->aregs[0] = regs->a0;
2211 env->aregs[1] = regs->a1;
2212 env->aregs[2] = regs->a2;
2213 env->aregs[3] = regs->a3;
2214 env->aregs[4] = regs->a4;
2215 env->aregs[5] = regs->a5;
2216 env->aregs[6] = regs->a6;
2217 env->aregs[7] = regs->usp;
2218 env->sr = regs->sr;
2219 ts->sim_syscalls = 1;
2220 }
048f6b4d
FB		 2221#elif defined(TARGET_MIPS)
2222 {
cff4cbed 2223 mips_def_t *def;
048f6b4d
FB		 2224 int i;
2225
cff4cbed
TS		 2226 /* Choose and initialise CPU */
2227 if (cpu_model == NULL)
d26bc211 2228#if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
540635ba
TS		 2229 cpu_model = "20Kc";
2230#else
cff4cbed 2231 cpu_model = "24Kf";
540635ba 2232#endif
cff4cbed
TS		 2233 mips_find_by_name(cpu_model, &def);
2234 if (def == NULL)
2235 cpu_abort(env, "Unable to find MIPS CPU definition\n");
2236 cpu_mips_register(env, def);
2237
048f6b4d 2238 for(i = 0; i < 32; i++) {
ead9360e 2239 env->gpr[i][env->current_tc] = regs->regs[i];
048f6b4d 2240 }
ead9360e 2241 env->PC[env->current_tc] = regs->cp0_epc;
048f6b4d 2242 }
fdf9b3e8
FB		 2243#elif defined(TARGET_SH4)
2244 {
2245 int i;
2246
2247 for(i = 0; i < 16; i++) {
2248 env->gregs[i] = regs->regs[i];
2249 }
2250 env->pc = regs->pc;
2251 }
7a3148a9
JM		 2252#elif defined(TARGET_ALPHA)
2253 {
2254 int i;
2255
2256 for(i = 0; i < 28; i++) {
992f48a0 2257 env->ir[i] = ((abi_ulong *)regs)[i];
7a3148a9
JM		 2258 }
2259 env->ipr[IPR_USP] = regs->usp;
2260 env->ir[30] = regs->usp;
2261 env->pc = regs->pc;
2262 env->unique = regs->unique;
2263 }
48733d19
TS		 2264#elif defined(TARGET_CRIS)
2265 {
2266 env->regs[0] = regs->r0;
2267 env->regs[1] = regs->r1;
2268 env->regs[2] = regs->r2;
2269 env->regs[3] = regs->r3;
2270 env->regs[4] = regs->r4;
2271 env->regs[5] = regs->r5;
2272 env->regs[6] = regs->r6;
2273 env->regs[7] = regs->r7;
2274 env->regs[8] = regs->r8;
2275 env->regs[9] = regs->r9;
2276 env->regs[10] = regs->r10;
2277 env->regs[11] = regs->r11;
2278 env->regs[12] = regs->r12;
2279 env->regs[13] = regs->r13;
2280 env->regs[14] = info->start_stack;
2281 env->regs[15] = regs->acr;
2282 env->pc = regs->erp;
2283 }
b346ff46
FB		 2284#else
2285#error unsupported target CPU
2286#endif
31e31b8a 2287
a87295e8
PB		 2288#if defined(TARGET_ARM) || defined(TARGET_M68K)
2289 ts->stack_base = info->start_stack;
2290 ts->heap_base = info->brk;
2291 /* This will be filled in on the first SYS_HEAPINFO call. */
2292 ts->heap_limit = 0;
2293#endif
2294
74c33bed
FB		 2295 if (gdbstub_port) {
2296 gdbserver_start (gdbstub_port);
1fddef4b
FB		 2297 gdb_handlesig(env, 0);
2298 }
1b6b029e
FB		 2299 cpu_loop(env);
2300 /* never exits */
31e31b8a
FB		 2301 return 0;
2302}
Qemu copy for testing