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Fix for execve syscall, by Kirill A. Shutemov.
[mirror_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
d2fd1af7
FB		 150#if TARGET_X86_64
151uint64_t idt_table[512];
152
153static void set_gate64(void *ptr, unsigned int type, unsigned int dpl,
154 uint64_t addr, unsigned int sel)
f4beb510 155{
4dbc422b 156 uint32_t *p, e1, e2;
f4beb510
FB		 157 e1 = (addr & 0xffff) | (sel << 16);
158 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
53a5960a 159 p = ptr;
4dbc422b
FB		 160 p[0] = tswap32(e1);
161 p[1] = tswap32(e2);
162 p[2] = tswap32(addr >> 32);
163 p[3] = 0;
6dbad63e 164}
d2fd1af7
FB		 165/* only dpl matters as we do only user space emulation */
166static void set_idt(int n, unsigned int dpl)
167{
168 set_gate64(idt_table + n * 2, 0, dpl, 0, 0);
169}
170#else
f4beb510
FB		 171uint64_t idt_table[256];
172
d2fd1af7
FB		 173static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
174 uint32_t addr, unsigned int sel)
175{
4dbc422b 176 uint32_t *p, e1, e2;
d2fd1af7
FB		 177 e1 = (addr & 0xffff) | (sel << 16);
178 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
179 p = ptr;
4dbc422b
FB		 180 p[0] = tswap32(e1);
181 p[1] = tswap32(e2);
d2fd1af7
FB		 182}
183
f4beb510
FB		 184/* only dpl matters as we do only user space emulation */
185static void set_idt(int n, unsigned int dpl)
186{
187 set_gate(idt_table + n, 0, dpl, 0, 0);
188}
d2fd1af7 189#endif
31e31b8a 190
89e957e7 191void cpu_loop(CPUX86State *env)
1b6b029e 192{
bc8a22cc 193 int trapnr;
992f48a0 194 abi_ulong pc;
9de5e440 195 target_siginfo_t info;
851e67a1 196
1b6b029e 197 for(;;) {
bc8a22cc 198 trapnr = cpu_x86_exec(env);
bc8a22cc 199 switch(trapnr) {
f4beb510 200 case 0x80:
d2fd1af7 201 /* linux syscall from int $0x80 */
5fafdf24
TS		 202 env->regs[R_EAX] = do_syscall(env,
203 env->regs[R_EAX],
f4beb510
FB		 204 env->regs[R_EBX],
205 env->regs[R_ECX],
206 env->regs[R_EDX],
207 env->regs[R_ESI],
208 env->regs[R_EDI],
209 env->regs[R_EBP]);
210 break;
d2fd1af7
FB		 211#ifndef TARGET_ABI32
212 case EXCP_SYSCALL:
213 /* linux syscall from syscall intruction */
214 env->regs[R_EAX] = do_syscall(env,
215 env->regs[R_EAX],
216 env->regs[R_EDI],
217 env->regs[R_ESI],
218 env->regs[R_EDX],
219 env->regs[10],
220 env->regs[8],
221 env->regs[9]);
222 env->eip = env->exception_next_eip;
223 break;
224#endif
f4beb510
FB		 225 case EXCP0B_NOSEG:
226 case EXCP0C_STACK:
227 info.si_signo = SIGBUS;
228 info.si_errno = 0;
229 info.si_code = TARGET_SI_KERNEL;
230 info._sifields._sigfault._addr = 0;
231 queue_signal(info.si_signo, &info);
232 break;
1b6b029e 233 case EXCP0D_GPF:
d2fd1af7 234 /* XXX: potential problem if ABI32 */
84409ddb 235#ifndef TARGET_X86_64
851e67a1 236 if (env->eflags & VM_MASK) {
89e957e7 237 handle_vm86_fault(env);
84409ddb
JM		 238 } else
239#endif
240 {
f4beb510
FB		 241 info.si_signo = SIGSEGV;
242 info.si_errno = 0;
243 info.si_code = TARGET_SI_KERNEL;
244 info._sifields._sigfault._addr = 0;
245 queue_signal(info.si_signo, &info);
1b6b029e
FB		 246 }
247 break;
b689bc57
FB		 248 case EXCP0E_PAGE:
249 info.si_signo = SIGSEGV;
250 info.si_errno = 0;
251 if (!(env->error_code & 1))
252 info.si_code = TARGET_SEGV_MAPERR;
253 else
254 info.si_code = TARGET_SEGV_ACCERR;
970a87a6 255 info._sifields._sigfault._addr = env->cr[2];
b689bc57
FB		 256 queue_signal(info.si_signo, &info);
257 break;
9de5e440 258 case EXCP00_DIVZ:
84409ddb 259#ifndef TARGET_X86_64
bc8a22cc 260 if (env->eflags & VM_MASK) {
447db213 261 handle_vm86_trap(env, trapnr);
84409ddb
JM		 262 } else
263#endif
264 {
bc8a22cc
FB		 265 /* division by zero */
266 info.si_signo = SIGFPE;
267 info.si_errno = 0;
268 info.si_code = TARGET_FPE_INTDIV;
269 info._sifields._sigfault._addr = env->eip;
270 queue_signal(info.si_signo, &info);
271 }
9de5e440 272 break;
447db213
FB		 273 case EXCP01_SSTP:
274 case EXCP03_INT3:
84409ddb 275#ifndef TARGET_X86_64
447db213
FB		 276 if (env->eflags & VM_MASK) {
277 handle_vm86_trap(env, trapnr);
84409ddb
JM		 278 } else
279#endif
280 {
447db213
FB		 281 info.si_signo = SIGTRAP;
282 info.si_errno = 0;
283 if (trapnr == EXCP01_SSTP) {
284 info.si_code = TARGET_TRAP_BRKPT;
285 info._sifields._sigfault._addr = env->eip;
286 } else {
287 info.si_code = TARGET_SI_KERNEL;
288 info._sifields._sigfault._addr = 0;
289 }
290 queue_signal(info.si_signo, &info);
291 }
292 break;
9de5e440
FB		 293 case EXCP04_INTO:
294 case EXCP05_BOUND:
84409ddb 295#ifndef TARGET_X86_64
bc8a22cc 296 if (env->eflags & VM_MASK) {
447db213 297 handle_vm86_trap(env, trapnr);
84409ddb
JM		 298 } else
299#endif
300 {
bc8a22cc
FB		 301 info.si_signo = SIGSEGV;
302 info.si_errno = 0;
b689bc57 303 info.si_code = TARGET_SI_KERNEL;
bc8a22cc
FB		 304 info._sifields._sigfault._addr = 0;
305 queue_signal(info.si_signo, &info);
306 }
9de5e440
FB		 307 break;
308 case EXCP06_ILLOP:
309 info.si_signo = SIGILL;
310 info.si_errno = 0;
311 info.si_code = TARGET_ILL_ILLOPN;
312 info._sifields._sigfault._addr = env->eip;
313 queue_signal(info.si_signo, &info);
314 break;
315 case EXCP_INTERRUPT:
316 /* just indicate that signals should be handled asap */
317 break;
1fddef4b
FB		 318 case EXCP_DEBUG:
319 {
320 int sig;
321
322 sig = gdb_handlesig (env, TARGET_SIGTRAP);
323 if (sig)
324 {
325 info.si_signo = sig;
326 info.si_errno = 0;
327 info.si_code = TARGET_TRAP_BRKPT;
328 queue_signal(info.si_signo, &info);
329 }
330 }
331 break;
1b6b029e 332 default:
970a87a6 333 pc = env->segs[R_CS].base + env->eip;
5fafdf24 334 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
bc8a22cc 335 (long)pc, trapnr);
1b6b029e
FB		 336 abort();
337 }
66fb9763 338 process_pending_signals(env);
1b6b029e
FB		 339 }
340}
b346ff46
FB		 341#endif
342
343#ifdef TARGET_ARM
344
6f1f31c0 345/* XXX: find a better solution */
992f48a0 346extern void tb_invalidate_page_range(abi_ulong start, abi_ulong end);
6f1f31c0 347
992f48a0 348static void arm_cache_flush(abi_ulong start, abi_ulong last)
6f1f31c0 349{
992f48a0 350 abi_ulong addr, last1;
6f1f31c0
FB		 351
352 if (last < start)
353 return;
354 addr = start;
355 for(;;) {
356 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
357 if (last1 > last)
358 last1 = last;
359 tb_invalidate_page_range(addr, last1 + 1);
360 if (last1 == last)
361 break;
362 addr = last1 + 1;
363 }
364}
365
b346ff46
FB		 366void cpu_loop(CPUARMState *env)
367{
368 int trapnr;
369 unsigned int n, insn;
370 target_siginfo_t info;
b5ff1b31 371 uint32_t addr;
3b46e624 372
b346ff46
FB		 373 for(;;) {
374 trapnr = cpu_arm_exec(env);
375 switch(trapnr) {
376 case EXCP_UDEF:
c6981055
FB		 377 {
378 TaskState *ts = env->opaque;
379 uint32_t opcode;
380
381 /* we handle the FPU emulation here, as Linux */
382 /* we get the opcode */
2f619698
FB		 383 /* FIXME - what to do if get_user() fails? */
384 get_user_u32(opcode, env->regs[15]);
3b46e624 385
19b045de 386 if (EmulateAll(opcode, &ts->fpa, env) == 0) {
c6981055
FB		 387 info.si_signo = SIGILL;
388 info.si_errno = 0;
389 info.si_code = TARGET_ILL_ILLOPN;
390 info._sifields._sigfault._addr = env->regs[15];
391 queue_signal(info.si_signo, &info);
392 } else {
393 /* increment PC */
394 env->regs[15] += 4;
395 }
396 }
b346ff46
FB		 397 break;
398 case EXCP_SWI:
06c949e6 399 case EXCP_BKPT:
b346ff46 400 {
ce4defa0 401 env->eabi = 1;
b346ff46 402 /* system call */
06c949e6
PB		 403 if (trapnr == EXCP_BKPT) {
404 if (env->thumb) {
2f619698
FB		 405 /* FIXME - what to do if get_user() fails? */
406 get_user_u16(insn, env->regs[15]);
06c949e6
PB		 407 n = insn & 0xff;
408 env->regs[15] += 2;
409 } else {
2f619698
FB		 410 /* FIXME - what to do if get_user() fails? */
411 get_user_u32(insn, env->regs[15]);
06c949e6
PB		 412 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
413 env->regs[15] += 4;
414 }
192c7bd9 415 } else {
06c949e6 416 if (env->thumb) {
2f619698
FB		 417 /* FIXME - what to do if get_user() fails? */
418 get_user_u16(insn, env->regs[15] - 2);
06c949e6
PB		 419 n = insn & 0xff;
420 } else {
2f619698
FB		 421 /* FIXME - what to do if get_user() fails? */
422 get_user_u32(insn, env->regs[15] - 4);
06c949e6
PB		 423 n = insn & 0xffffff;
424 }
192c7bd9
FB		 425 }
426
6f1f31c0
FB		 427 if (n == ARM_NR_cacheflush) {
428 arm_cache_flush(env->regs[0], env->regs[1]);
a4f81979
FB		 429 } else if (n == ARM_NR_semihosting
430 || n == ARM_NR_thumb_semihosting) {
431 env->regs[0] = do_arm_semihosting (env);
ce4defa0 432 } else if (n == 0 || n >= ARM_SYSCALL_BASE
192c7bd9 433 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
b346ff46 434 /* linux syscall */
ce4defa0 435 if (env->thumb || n == 0) {
192c7bd9
FB		 436 n = env->regs[7];
437 } else {
438 n -= ARM_SYSCALL_BASE;
ce4defa0 439 env->eabi = 0;
192c7bd9 440 }
5fafdf24
TS		 441 env->regs[0] = do_syscall(env,
442 n,
b346ff46
FB		 443 env->regs[0],
444 env->regs[1],
445 env->regs[2],
446 env->regs[3],
447 env->regs[4],
e1a2849c 448 env->regs[5]);
b346ff46
FB		 449 } else {
450 goto error;
451 }
452 }
453 break;
43fff238
FB		 454 case EXCP_INTERRUPT:
455 /* just indicate that signals should be handled asap */
456 break;
68016c62 457 case EXCP_PREFETCH_ABORT:
b5ff1b31
FB		 458 addr = env->cp15.c6_data;
459 goto do_segv;
68016c62 460 case EXCP_DATA_ABORT:
b5ff1b31
FB		 461 addr = env->cp15.c6_insn;
462 goto do_segv;
463 do_segv:
68016c62
FB		 464 {
465 info.si_signo = SIGSEGV;
466 info.si_errno = 0;
467 /* XXX: check env->error_code */
468 info.si_code = TARGET_SEGV_MAPERR;
b5ff1b31 469 info._sifields._sigfault._addr = addr;
68016c62
FB		 470 queue_signal(info.si_signo, &info);
471 }
472 break;
1fddef4b
FB		 473 case EXCP_DEBUG:
474 {
475 int sig;
476
477 sig = gdb_handlesig (env, TARGET_SIGTRAP);
478 if (sig)
479 {
480 info.si_signo = sig;
481 info.si_errno = 0;
482 info.si_code = TARGET_TRAP_BRKPT;
483 queue_signal(info.si_signo, &info);
484 }
485 }
486 break;
b346ff46
FB		 487 default:
488 error:
5fafdf24 489 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
b346ff46 490 trapnr);
7fe48483 491 cpu_dump_state(env, stderr, fprintf, 0);
b346ff46
FB		 492 abort();
493 }
494 process_pending_signals(env);
495 }
496}
497
498#endif
1b6b029e 499
93ac68bc
FB		 500#ifdef TARGET_SPARC
501
060366c5
FB		 502//#define DEBUG_WIN
503
2623cbaf
FB		 504/* WARNING: dealing with register windows _is_ complicated. More info
505 can be found at http://www.sics.se/~psm/sparcstack.html */
060366c5
FB		 506static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
507{
508 index = (index + cwp * 16) & (16 * NWINDOWS - 1);
509 /* wrap handling : if cwp is on the last window, then we use the
510 registers 'after' the end */
511 if (index < 8 && env->cwp == (NWINDOWS - 1))
512 index += (16 * NWINDOWS);
513 return index;
514}
515
2623cbaf
FB		 516/* save the register window 'cwp1' */
517static inline void save_window_offset(CPUSPARCState *env, int cwp1)
060366c5 518{
2623cbaf 519 unsigned int i;
992f48a0 520 abi_ulong sp_ptr;
3b46e624 521
53a5960a 522 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5 523#if defined(DEBUG_WIN)
5fafdf24 524 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
060366c5
FB		 525 (int)sp_ptr, cwp1);
526#endif
2623cbaf 527 for(i = 0; i < 16; i++) {
2f619698
FB		 528 /* FIXME - what to do if put_user() fails? */
529 put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
992f48a0 530 sp_ptr += sizeof(abi_ulong);
2623cbaf 531 }
060366c5
FB		 532}
533
534static void save_window(CPUSPARCState *env)
535{
5ef54116 536#ifndef TARGET_SPARC64
2623cbaf
FB		 537 unsigned int new_wim;
538 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
539 ((1LL << NWINDOWS) - 1);
540 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
541 env->wim = new_wim;
5ef54116
FB		 542#else
543 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
544 env->cansave++;
545 env->canrestore--;
546#endif
060366c5
FB		 547}
548
549static void restore_window(CPUSPARCState *env)
550{
551 unsigned int new_wim, i, cwp1;
992f48a0 552 abi_ulong sp_ptr;
3b46e624 553
060366c5
FB		 554 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
555 ((1LL << NWINDOWS) - 1);
3b46e624 556
060366c5
FB		 557 /* restore the invalid window */
558 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
53a5960a 559 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
060366c5 560#if defined(DEBUG_WIN)
5fafdf24 561 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
060366c5
FB		 562 (int)sp_ptr, cwp1);
563#endif
2623cbaf 564 for(i = 0; i < 16; i++) {
2f619698
FB		 565 /* FIXME - what to do if get_user() fails? */
566 get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
992f48a0 567 sp_ptr += sizeof(abi_ulong);
2623cbaf 568 }
060366c5 569 env->wim = new_wim;
5ef54116
FB		 570#ifdef TARGET_SPARC64
571 env->canrestore++;
572 if (env->cleanwin < NWINDOWS - 1)
573 env->cleanwin++;
574 env->cansave--;
575#endif
060366c5
FB		 576}
577
578static void flush_windows(CPUSPARCState *env)
579{
580 int offset, cwp1;
2623cbaf
FB		 581
582 offset = 1;
060366c5
FB		 583 for(;;) {
584 /* if restore would invoke restore_window(), then we can stop */
2623cbaf 585 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
060366c5
FB		 586 if (env->wim & (1 << cwp1))
587 break;
2623cbaf 588 save_window_offset(env, cwp1);
060366c5
FB		 589 offset++;
590 }
2623cbaf
FB		 591 /* set wim so that restore will reload the registers */
592 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
593 env->wim = 1 << cwp1;
594#if defined(DEBUG_WIN)
595 printf("flush_windows: nb=%d\n", offset - 1);
80a9d035 596#endif
2623cbaf 597}
060366c5 598
93ac68bc
FB		 599void cpu_loop (CPUSPARCState *env)
600{
060366c5 601 int trapnr, ret;
61ff6f58 602 target_siginfo_t info;
3b46e624 603
060366c5
FB		 604 while (1) {
605 trapnr = cpu_sparc_exec (env);
3b46e624 606
060366c5 607 switch (trapnr) {
5ef54116 608#ifndef TARGET_SPARC64
5fafdf24 609 case 0x88:
060366c5 610 case 0x90:
5ef54116 611#else
cb33da57 612 case 0x110:
5ef54116
FB		 613 case 0x16d:
614#endif
060366c5 615 ret = do_syscall (env, env->gregs[1],
5fafdf24
TS		 616 env->regwptr[0], env->regwptr[1],
617 env->regwptr[2], env->regwptr[3],
060366c5
FB		 618 env->regwptr[4], env->regwptr[5]);
619 if ((unsigned int)ret >= (unsigned int)(-515)) {
992f48a0 620#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
27908725
FB		 621 env->xcc |= PSR_CARRY;
622#else
060366c5 623 env->psr |= PSR_CARRY;
27908725 624#endif
060366c5
FB		 625 ret = -ret;
626 } else {
992f48a0 627#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
27908725
FB		 628 env->xcc &= ~PSR_CARRY;
629#else
060366c5 630 env->psr &= ~PSR_CARRY;
27908725 631#endif
060366c5
FB		 632 }
633 env->regwptr[0] = ret;
634 /* next instruction */
635 env->pc = env->npc;
636 env->npc = env->npc + 4;
637 break;
638 case 0x83: /* flush windows */
992f48a0
BS		 639#ifdef TARGET_ABI32
640 case 0x103:
641#endif
2623cbaf 642 flush_windows(env);
060366c5
FB		 643 /* next instruction */
644 env->pc = env->npc;
645 env->npc = env->npc + 4;
646 break;
3475187d 647#ifndef TARGET_SPARC64
060366c5
FB		 648 case TT_WIN_OVF: /* window overflow */
649 save_window(env);
650 break;
651 case TT_WIN_UNF: /* window underflow */
652 restore_window(env);
653 break;
61ff6f58
FB		 654 case TT_TFAULT:
655 case TT_DFAULT:
656 {
657 info.si_signo = SIGSEGV;
658 info.si_errno = 0;
659 /* XXX: check env->error_code */
660 info.si_code = TARGET_SEGV_MAPERR;
661 info._sifields._sigfault._addr = env->mmuregs[4];
662 queue_signal(info.si_signo, &info);
663 }
664 break;
3475187d 665#else
5ef54116
FB		 666 case TT_SPILL: /* window overflow */
667 save_window(env);
668 break;
669 case TT_FILL: /* window underflow */
670 restore_window(env);
671 break;
7f84a729
BS		 672 case TT_TFAULT:
673 case TT_DFAULT:
674 {
675 info.si_signo = SIGSEGV;
676 info.si_errno = 0;
677 /* XXX: check env->error_code */
678 info.si_code = TARGET_SEGV_MAPERR;
679 if (trapnr == TT_DFAULT)
680 info._sifields._sigfault._addr = env->dmmuregs[4];
681 else
682 info._sifields._sigfault._addr = env->tpc[env->tl];
683 queue_signal(info.si_signo, &info);
684 }
685 break;
27524dc3 686#ifndef TARGET_ABI32
5bfb56b2
BS		 687 case 0x16e:
688 flush_windows(env);
689 sparc64_get_context(env);
690 break;
691 case 0x16f:
692 flush_windows(env);
693 sparc64_set_context(env);
694 break;
27524dc3 695#endif
3475187d 696#endif
48dc41eb
FB		 697 case EXCP_INTERRUPT:
698 /* just indicate that signals should be handled asap */
699 break;
1fddef4b
FB		 700 case EXCP_DEBUG:
701 {
702 int sig;
703
704 sig = gdb_handlesig (env, TARGET_SIGTRAP);
705 if (sig)
706 {
707 info.si_signo = sig;
708 info.si_errno = 0;
709 info.si_code = TARGET_TRAP_BRKPT;
710 queue_signal(info.si_signo, &info);
711 }
712 }
713 break;
060366c5
FB		 714 default:
715 printf ("Unhandled trap: 0x%x\n", trapnr);
7fe48483 716 cpu_dump_state(env, stderr, fprintf, 0);
060366c5
FB		 717 exit (1);
718 }
719 process_pending_signals (env);
720 }
93ac68bc
FB		 721}
722
723#endif
724
67867308 725#ifdef TARGET_PPC
9fddaa0c
FB		 726static inline uint64_t cpu_ppc_get_tb (CPUState *env)
727{
728 /* TO FIX */
729 return 0;
730}
3b46e624 731
9fddaa0c
FB		 732uint32_t cpu_ppc_load_tbl (CPUState *env)
733{
734 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
735}
3b46e624 736
9fddaa0c
FB		 737uint32_t cpu_ppc_load_tbu (CPUState *env)
738{
739 return cpu_ppc_get_tb(env) >> 32;
740}
3b46e624 741
a062e36c 742uint32_t cpu_ppc_load_atbl (CPUState *env)
9fddaa0c 743{
a062e36c 744 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
9fddaa0c 745}
5fafdf24 746
a062e36c 747uint32_t cpu_ppc_load_atbu (CPUState *env)
9fddaa0c 748{
a062e36c 749 return cpu_ppc_get_tb(env) >> 32;
9fddaa0c 750}
76a66253 751
76a66253
JM		 752uint32_t cpu_ppc601_load_rtcu (CPUState *env)
753__attribute__ (( alias ("cpu_ppc_load_tbu") ));
754
76a66253 755uint32_t cpu_ppc601_load_rtcl (CPUState *env)
9fddaa0c 756{
76a66253 757 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
9fddaa0c 758}
76a66253 759
a750fc0b
JM		 760/* XXX: to be fixed */
761int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
762{
763 return -1;
764}
765
766int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
767{
768 return -1;
769}
770
e1833e1f
JM		 771#define EXCP_DUMP(env, fmt, args...) \
772do { \
773 fprintf(stderr, fmt , ##args); \
774 cpu_dump_state(env, stderr, fprintf, 0); \
775 if (loglevel != 0) { \
776 fprintf(logfile, fmt , ##args); \
777 cpu_dump_state(env, logfile, fprintf, 0); \
778 } \
779} while (0)
780
67867308
FB		 781void cpu_loop(CPUPPCState *env)
782{
67867308 783 target_siginfo_t info;
61190b14
FB		 784 int trapnr;
785 uint32_t ret;
3b46e624 786
67867308
FB		 787 for(;;) {
788 trapnr = cpu_ppc_exec(env);
789 switch(trapnr) {
e1833e1f
JM		 790 case POWERPC_EXCP_NONE:
791 /* Just go on */
67867308 792 break;
e1833e1f
JM		 793 case POWERPC_EXCP_CRITICAL: /* Critical input */
794 cpu_abort(env, "Critical interrupt while in user mode. "
795 "Aborting\n");
61190b14 796 break;
e1833e1f
JM		 797 case POWERPC_EXCP_MCHECK: /* Machine check exception */
798 cpu_abort(env, "Machine check exception while in user mode. "
799 "Aborting\n");
800 break;
801 case POWERPC_EXCP_DSI: /* Data storage exception */
802 EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
803 env->spr[SPR_DAR]);
804 /* XXX: check this. Seems bugged */
2be0071f
FB		 805 switch (env->error_code & 0xFF000000) {
806 case 0x40000000:
61190b14
FB		 807 info.si_signo = TARGET_SIGSEGV;
808 info.si_errno = 0;
809 info.si_code = TARGET_SEGV_MAPERR;
810 break;
2be0071f 811 case 0x04000000:
61190b14
FB		 812 info.si_signo = TARGET_SIGILL;
813 info.si_errno = 0;
814 info.si_code = TARGET_ILL_ILLADR;
815 break;
2be0071f 816 case 0x08000000:
61190b14
FB		 817 info.si_signo = TARGET_SIGSEGV;
818 info.si_errno = 0;
819 info.si_code = TARGET_SEGV_ACCERR;
820 break;
61190b14
FB		 821 default:
822 /* Let's send a regular segfault... */
e1833e1f
JM		 823 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
824 env->error_code);
61190b14
FB		 825 info.si_signo = TARGET_SIGSEGV;
826 info.si_errno = 0;
827 info.si_code = TARGET_SEGV_MAPERR;
828 break;
829 }
67867308
FB		 830 info._sifields._sigfault._addr = env->nip;
831 queue_signal(info.si_signo, &info);
832 break;
e1833e1f
JM		 833 case POWERPC_EXCP_ISI: /* Instruction storage exception */
834 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
f10c315f 835 env->spr[SPR_SRR0]);
e1833e1f 836 /* XXX: check this */
2be0071f
FB		 837 switch (env->error_code & 0xFF000000) {
838 case 0x40000000:
61190b14 839 info.si_signo = TARGET_SIGSEGV;
67867308 840 info.si_errno = 0;
61190b14
FB		 841 info.si_code = TARGET_SEGV_MAPERR;
842 break;
2be0071f
FB		 843 case 0x10000000:
844 case 0x08000000:
61190b14
FB		 845 info.si_signo = TARGET_SIGSEGV;
846 info.si_errno = 0;
847 info.si_code = TARGET_SEGV_ACCERR;
848 break;
849 default:
850 /* Let's send a regular segfault... */
e1833e1f
JM		 851 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
852 env->error_code);
61190b14
FB		 853 info.si_signo = TARGET_SIGSEGV;
854 info.si_errno = 0;
855 info.si_code = TARGET_SEGV_MAPERR;
856 break;
857 }
858 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 859 queue_signal(info.si_signo, &info);
860 break;
e1833e1f
JM		 861 case POWERPC_EXCP_EXTERNAL: /* External input */
862 cpu_abort(env, "External interrupt while in user mode. "
863 "Aborting\n");
864 break;
865 case POWERPC_EXCP_ALIGN: /* Alignment exception */
866 EXCP_DUMP(env, "Unaligned memory access\n");
867 /* XXX: check this */
61190b14 868 info.si_signo = TARGET_SIGBUS;
67867308 869 info.si_errno = 0;
61190b14
FB		 870 info.si_code = TARGET_BUS_ADRALN;
871 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 872 queue_signal(info.si_signo, &info);
873 break;
e1833e1f
JM		 874 case POWERPC_EXCP_PROGRAM: /* Program exception */
875 /* XXX: check this */
61190b14 876 switch (env->error_code & ~0xF) {
e1833e1f
JM		 877 case POWERPC_EXCP_FP:
878 EXCP_DUMP(env, "Floating point program exception\n");
61190b14
FB		 879 info.si_signo = TARGET_SIGFPE;
880 info.si_errno = 0;
881 switch (env->error_code & 0xF) {
e1833e1f 882 case POWERPC_EXCP_FP_OX:
61190b14
FB		 883 info.si_code = TARGET_FPE_FLTOVF;
884 break;
e1833e1f 885 case POWERPC_EXCP_FP_UX:
61190b14
FB		 886 info.si_code = TARGET_FPE_FLTUND;
887 break;
e1833e1f
JM		 888 case POWERPC_EXCP_FP_ZX:
889 case POWERPC_EXCP_FP_VXZDZ:
61190b14
FB		 890 info.si_code = TARGET_FPE_FLTDIV;
891 break;
e1833e1f 892 case POWERPC_EXCP_FP_XX:
61190b14
FB		 893 info.si_code = TARGET_FPE_FLTRES;
894 break;
e1833e1f 895 case POWERPC_EXCP_FP_VXSOFT:
61190b14
FB		 896 info.si_code = TARGET_FPE_FLTINV;
897 break;
7c58044c 898 case POWERPC_EXCP_FP_VXSNAN:
e1833e1f
JM		 899 case POWERPC_EXCP_FP_VXISI:
900 case POWERPC_EXCP_FP_VXIDI:
901 case POWERPC_EXCP_FP_VXIMZ:
902 case POWERPC_EXCP_FP_VXVC:
903 case POWERPC_EXCP_FP_VXSQRT:
904 case POWERPC_EXCP_FP_VXCVI:
61190b14
FB		 905 info.si_code = TARGET_FPE_FLTSUB;
906 break;
907 default:
e1833e1f
JM		 908 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
909 env->error_code);
910 break;
61190b14 911 }
e1833e1f
JM		 912 break;
913 case POWERPC_EXCP_INVAL:
914 EXCP_DUMP(env, "Invalid instruction\n");
61190b14
FB		 915 info.si_signo = TARGET_SIGILL;
916 info.si_errno = 0;
917 switch (env->error_code & 0xF) {
e1833e1f 918 case POWERPC_EXCP_INVAL_INVAL:
61190b14
FB		 919 info.si_code = TARGET_ILL_ILLOPC;
920 break;
e1833e1f 921 case POWERPC_EXCP_INVAL_LSWX:
a750fc0b 922 info.si_code = TARGET_ILL_ILLOPN;
61190b14 923 break;
e1833e1f 924 case POWERPC_EXCP_INVAL_SPR:
61190b14
FB		 925 info.si_code = TARGET_ILL_PRVREG;
926 break;
e1833e1f 927 case POWERPC_EXCP_INVAL_FP:
61190b14
FB		 928 info.si_code = TARGET_ILL_COPROC;
929 break;
930 default:
e1833e1f
JM		 931 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
932 env->error_code & 0xF);
61190b14
FB		 933 info.si_code = TARGET_ILL_ILLADR;
934 break;
935 }
936 break;
e1833e1f
JM		 937 case POWERPC_EXCP_PRIV:
938 EXCP_DUMP(env, "Privilege violation\n");
61190b14
FB		 939 info.si_signo = TARGET_SIGILL;
940 info.si_errno = 0;
941 switch (env->error_code & 0xF) {
e1833e1f 942 case POWERPC_EXCP_PRIV_OPC:
61190b14
FB		 943 info.si_code = TARGET_ILL_PRVOPC;
944 break;
e1833e1f 945 case POWERPC_EXCP_PRIV_REG:
61190b14 946 info.si_code = TARGET_ILL_PRVREG;
e1833e1f 947 break;
61190b14 948 default:
e1833e1f
JM		 949 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
950 env->error_code & 0xF);
61190b14
FB		 951 info.si_code = TARGET_ILL_PRVOPC;
952 break;
953 }
954 break;
e1833e1f
JM		 955 case POWERPC_EXCP_TRAP:
956 cpu_abort(env, "Tried to call a TRAP\n");
957 break;
61190b14
FB		 958 default:
959 /* Should not happen ! */
e1833e1f
JM		 960 cpu_abort(env, "Unknown program exception (%02x)\n",
961 env->error_code);
962 break;
61190b14
FB		 963 }
964 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 965 queue_signal(info.si_signo, &info);
966 break;
e1833e1f
JM		 967 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
968 EXCP_DUMP(env, "No floating point allowed\n");
61190b14 969 info.si_signo = TARGET_SIGILL;
67867308 970 info.si_errno = 0;
61190b14
FB		 971 info.si_code = TARGET_ILL_COPROC;
972 info._sifields._sigfault._addr = env->nip - 4;
67867308
FB		 973 queue_signal(info.si_signo, &info);
974 break;
e1833e1f
JM		 975 case POWERPC_EXCP_SYSCALL: /* System call exception */
976 cpu_abort(env, "Syscall exception while in user mode. "
977 "Aborting\n");
61190b14 978 break;
e1833e1f
JM		 979 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
980 EXCP_DUMP(env, "No APU instruction allowed\n");
981 info.si_signo = TARGET_SIGILL;
982 info.si_errno = 0;
983 info.si_code = TARGET_ILL_COPROC;
984 info._sifields._sigfault._addr = env->nip - 4;
985 queue_signal(info.si_signo, &info);
61190b14 986 break;
e1833e1f
JM		 987 case POWERPC_EXCP_DECR: /* Decrementer exception */
988 cpu_abort(env, "Decrementer interrupt while in user mode. "
989 "Aborting\n");
61190b14 990 break;
e1833e1f
JM		 991 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
992 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
993 "Aborting\n");
994 break;
995 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
996 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
997 "Aborting\n");
998 break;
999 case POWERPC_EXCP_DTLB: /* Data TLB error */
1000 cpu_abort(env, "Data TLB exception while in user mode. "
1001 "Aborting\n");
1002 break;
1003 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
1004 cpu_abort(env, "Instruction TLB exception while in user mode. "
1005 "Aborting\n");
1006 break;
1007 case POWERPC_EXCP_DEBUG: /* Debug interrupt */
1008 /* XXX: check this */
1fddef4b
FB		 1009 {
1010 int sig;
1011
e1833e1f
JM		 1012 sig = gdb_handlesig(env, TARGET_SIGTRAP);
1013 if (sig) {
1fddef4b
FB		 1014 info.si_signo = sig;
1015 info.si_errno = 0;
1016 info.si_code = TARGET_TRAP_BRKPT;
1017 queue_signal(info.si_signo, &info);
1018 }
1019 }
1020 break;
e1833e1f
JM		 1021 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
1022 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
1023 info.si_signo = TARGET_SIGILL;
1024 info.si_errno = 0;
1025 info.si_code = TARGET_ILL_COPROC;
1026 info._sifields._sigfault._addr = env->nip - 4;
1027 queue_signal(info.si_signo, &info);
1028 break;
1029 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
1030 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
1031 break;
1032 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
1033 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
1034 break;
1035 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
1036 cpu_abort(env, "Performance monitor exception not handled\n");
1037 break;
1038 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
1039 cpu_abort(env, "Doorbell interrupt while in user mode. "
1040 "Aborting\n");
1041 break;
1042 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1043 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1044 "Aborting\n");
1045 break;
1046 case POWERPC_EXCP_RESET: /* System reset exception */
1047 cpu_abort(env, "Reset interrupt while in user mode. "
1048 "Aborting\n");
1049 break;
e1833e1f
JM		 1050 case POWERPC_EXCP_DSEG: /* Data segment exception */
1051 cpu_abort(env, "Data segment exception while in user mode. "
1052 "Aborting\n");
1053 break;
1054 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1055 cpu_abort(env, "Instruction segment exception "
1056 "while in user mode. Aborting\n");
1057 break;
e85e7c6e 1058 /* PowerPC 64 with hypervisor mode support */
e1833e1f
JM		 1059 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1060 cpu_abort(env, "Hypervisor decrementer interrupt "
1061 "while in user mode. Aborting\n");
1062 break;
e1833e1f
JM		 1063 case POWERPC_EXCP_TRACE: /* Trace exception */
1064 /* Nothing to do:
1065 * we use this exception to emulate step-by-step execution mode.
1066 */
1067 break;
e85e7c6e 1068 /* PowerPC 64 with hypervisor mode support */
e1833e1f
JM		 1069 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1070 cpu_abort(env, "Hypervisor data storage exception "
1071 "while in user mode. Aborting\n");
1072 break;
1073 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1074 cpu_abort(env, "Hypervisor instruction storage exception "
1075 "while in user mode. Aborting\n");
1076 break;
1077 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1078 cpu_abort(env, "Hypervisor data segment exception "
1079 "while in user mode. Aborting\n");
1080 break;
1081 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1082 cpu_abort(env, "Hypervisor instruction segment exception "
1083 "while in user mode. Aborting\n");
1084 break;
e1833e1f
JM		 1085 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1086 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1087 info.si_signo = TARGET_SIGILL;
1088 info.si_errno = 0;
1089 info.si_code = TARGET_ILL_COPROC;
1090 info._sifields._sigfault._addr = env->nip - 4;
1091 queue_signal(info.si_signo, &info);
1092 break;
1093 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1094 cpu_abort(env, "Programable interval timer interrupt "
1095 "while in user mode. Aborting\n");
1096 break;
1097 case POWERPC_EXCP_IO: /* IO error exception */
1098 cpu_abort(env, "IO error exception while in user mode. "
1099 "Aborting\n");
1100 break;
1101 case POWERPC_EXCP_RUNM: /* Run mode exception */
1102 cpu_abort(env, "Run mode exception while in user mode. "
1103 "Aborting\n");
1104 break;
1105 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1106 cpu_abort(env, "Emulation trap exception not handled\n");
1107 break;
1108 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1109 cpu_abort(env, "Instruction fetch TLB exception "
1110 "while in user-mode. Aborting");
1111 break;
1112 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1113 cpu_abort(env, "Data load TLB exception while in user-mode. "
1114 "Aborting");
1115 break;
1116 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1117 cpu_abort(env, "Data store TLB exception while in user-mode. "
1118 "Aborting");
1119 break;
1120 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1121 cpu_abort(env, "Floating-point assist exception not handled\n");
1122 break;
1123 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1124 cpu_abort(env, "Instruction address breakpoint exception "
1125 "not handled\n");
1126 break;
1127 case POWERPC_EXCP_SMI: /* System management interrupt */
1128 cpu_abort(env, "System management interrupt while in user mode. "
1129 "Aborting\n");
1130 break;
1131 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1132 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1133 "Aborting\n");
1134 break;
1135 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1136 cpu_abort(env, "Performance monitor exception not handled\n");
1137 break;
1138 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1139 cpu_abort(env, "Vector assist exception not handled\n");
1140 break;
1141 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1142 cpu_abort(env, "Soft patch exception not handled\n");
1143 break;
1144 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1145 cpu_abort(env, "Maintenance exception while in user mode. "
1146 "Aborting\n");
1147 break;
1148 case POWERPC_EXCP_STOP: /* stop translation */
1149 /* We did invalidate the instruction cache. Go on */
1150 break;
1151 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1152 /* We just stopped because of a branch. Go on */
1153 break;
1154 case POWERPC_EXCP_SYSCALL_USER:
1155 /* system call in user-mode emulation */
1156 /* WARNING:
1157 * PPC ABI uses overflow flag in cr0 to signal an error
1158 * in syscalls.
1159 */
1160#if 0
1161 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1162 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1163#endif
1164 env->crf[0] &= ~0x1;
1165 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1166 env->gpr[5], env->gpr[6], env->gpr[7],
1167 env->gpr[8]);
1168 if (ret > (uint32_t)(-515)) {
1169 env->crf[0] |= 0x1;
1170 ret = -ret;
61190b14 1171 }
e1833e1f
JM		 1172 env->gpr[3] = ret;
1173#if 0
1174 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1175#endif
1176 break;
56ba31ff
JM		 1177 case EXCP_INTERRUPT:
1178 /* just indicate that signals should be handled asap */
1179 break;
e1833e1f
JM		 1180 default:
1181 cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1182 break;
67867308
FB		 1183 }
1184 process_pending_signals(env);
1185 }
1186}
1187#endif
1188
048f6b4d
FB		 1189#ifdef TARGET_MIPS
1190
1191#define MIPS_SYS(name, args) args,
1192
1193static const uint8_t mips_syscall_args[] = {
1194 MIPS_SYS(sys_syscall , 0) /* 4000 */
1195 MIPS_SYS(sys_exit , 1)
1196 MIPS_SYS(sys_fork , 0)
1197 MIPS_SYS(sys_read , 3)
1198 MIPS_SYS(sys_write , 3)
1199 MIPS_SYS(sys_open , 3) /* 4005 */
1200 MIPS_SYS(sys_close , 1)
1201 MIPS_SYS(sys_waitpid , 3)
1202 MIPS_SYS(sys_creat , 2)
1203 MIPS_SYS(sys_link , 2)
1204 MIPS_SYS(sys_unlink , 1) /* 4010 */
1205 MIPS_SYS(sys_execve , 0)
1206 MIPS_SYS(sys_chdir , 1)
1207 MIPS_SYS(sys_time , 1)
1208 MIPS_SYS(sys_mknod , 3)
1209 MIPS_SYS(sys_chmod , 2) /* 4015 */
1210 MIPS_SYS(sys_lchown , 3)
1211 MIPS_SYS(sys_ni_syscall , 0)
1212 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1213 MIPS_SYS(sys_lseek , 3)
1214 MIPS_SYS(sys_getpid , 0) /* 4020 */
1215 MIPS_SYS(sys_mount , 5)
1216 MIPS_SYS(sys_oldumount , 1)
1217 MIPS_SYS(sys_setuid , 1)
1218 MIPS_SYS(sys_getuid , 0)
1219 MIPS_SYS(sys_stime , 1) /* 4025 */
1220 MIPS_SYS(sys_ptrace , 4)
1221 MIPS_SYS(sys_alarm , 1)
1222 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1223 MIPS_SYS(sys_pause , 0)
1224 MIPS_SYS(sys_utime , 2) /* 4030 */
1225 MIPS_SYS(sys_ni_syscall , 0)
1226 MIPS_SYS(sys_ni_syscall , 0)
1227 MIPS_SYS(sys_access , 2)
1228 MIPS_SYS(sys_nice , 1)
1229 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1230 MIPS_SYS(sys_sync , 0)
1231 MIPS_SYS(sys_kill , 2)
1232 MIPS_SYS(sys_rename , 2)
1233 MIPS_SYS(sys_mkdir , 2)
1234 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1235 MIPS_SYS(sys_dup , 1)
1236 MIPS_SYS(sys_pipe , 0)
1237 MIPS_SYS(sys_times , 1)
1238 MIPS_SYS(sys_ni_syscall , 0)
1239 MIPS_SYS(sys_brk , 1) /* 4045 */
1240 MIPS_SYS(sys_setgid , 1)
1241 MIPS_SYS(sys_getgid , 0)
1242 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1243 MIPS_SYS(sys_geteuid , 0)
1244 MIPS_SYS(sys_getegid , 0) /* 4050 */
1245 MIPS_SYS(sys_acct , 0)
1246 MIPS_SYS(sys_umount , 2)
1247 MIPS_SYS(sys_ni_syscall , 0)
1248 MIPS_SYS(sys_ioctl , 3)
1249 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1250 MIPS_SYS(sys_ni_syscall , 2)
1251 MIPS_SYS(sys_setpgid , 2)
1252 MIPS_SYS(sys_ni_syscall , 0)
1253 MIPS_SYS(sys_olduname , 1)
1254 MIPS_SYS(sys_umask , 1) /* 4060 */
1255 MIPS_SYS(sys_chroot , 1)
1256 MIPS_SYS(sys_ustat , 2)
1257 MIPS_SYS(sys_dup2 , 2)
1258 MIPS_SYS(sys_getppid , 0)
1259 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1260 MIPS_SYS(sys_setsid , 0)
1261 MIPS_SYS(sys_sigaction , 3)
1262 MIPS_SYS(sys_sgetmask , 0)
1263 MIPS_SYS(sys_ssetmask , 1)
1264 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1265 MIPS_SYS(sys_setregid , 2)
1266 MIPS_SYS(sys_sigsuspend , 0)
1267 MIPS_SYS(sys_sigpending , 1)
1268 MIPS_SYS(sys_sethostname , 2)
1269 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1270 MIPS_SYS(sys_getrlimit , 2)
1271 MIPS_SYS(sys_getrusage , 2)
1272 MIPS_SYS(sys_gettimeofday, 2)
1273 MIPS_SYS(sys_settimeofday, 2)
1274 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1275 MIPS_SYS(sys_setgroups , 2)
1276 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1277 MIPS_SYS(sys_symlink , 2)
1278 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1279 MIPS_SYS(sys_readlink , 3) /* 4085 */
1280 MIPS_SYS(sys_uselib , 1)
1281 MIPS_SYS(sys_swapon , 2)
1282 MIPS_SYS(sys_reboot , 3)
1283 MIPS_SYS(old_readdir , 3)
1284 MIPS_SYS(old_mmap , 6) /* 4090 */
1285 MIPS_SYS(sys_munmap , 2)
1286 MIPS_SYS(sys_truncate , 2)
1287 MIPS_SYS(sys_ftruncate , 2)
1288 MIPS_SYS(sys_fchmod , 2)
1289 MIPS_SYS(sys_fchown , 3) /* 4095 */
1290 MIPS_SYS(sys_getpriority , 2)
1291 MIPS_SYS(sys_setpriority , 3)
1292 MIPS_SYS(sys_ni_syscall , 0)
1293 MIPS_SYS(sys_statfs , 2)
1294 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1295 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1296 MIPS_SYS(sys_socketcall , 2)
1297 MIPS_SYS(sys_syslog , 3)
1298 MIPS_SYS(sys_setitimer , 3)
1299 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1300 MIPS_SYS(sys_newstat , 2)
1301 MIPS_SYS(sys_newlstat , 2)
1302 MIPS_SYS(sys_newfstat , 2)
1303 MIPS_SYS(sys_uname , 1)
1304 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1305 MIPS_SYS(sys_vhangup , 0)
1306 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1307 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1308 MIPS_SYS(sys_wait4 , 4)
1309 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1310 MIPS_SYS(sys_sysinfo , 1)
1311 MIPS_SYS(sys_ipc , 6)
1312 MIPS_SYS(sys_fsync , 1)
1313 MIPS_SYS(sys_sigreturn , 0)
1314 MIPS_SYS(sys_clone , 0) /* 4120 */
1315 MIPS_SYS(sys_setdomainname, 2)
1316 MIPS_SYS(sys_newuname , 1)
1317 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1318 MIPS_SYS(sys_adjtimex , 1)
1319 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1320 MIPS_SYS(sys_sigprocmask , 3)
1321 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1322 MIPS_SYS(sys_init_module , 5)
1323 MIPS_SYS(sys_delete_module, 1)
1324 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1325 MIPS_SYS(sys_quotactl , 0)
1326 MIPS_SYS(sys_getpgid , 1)
1327 MIPS_SYS(sys_fchdir , 1)
1328 MIPS_SYS(sys_bdflush , 2)
1329 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1330 MIPS_SYS(sys_personality , 1)
1331 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1332 MIPS_SYS(sys_setfsuid , 1)
1333 MIPS_SYS(sys_setfsgid , 1)
1334 MIPS_SYS(sys_llseek , 5) /* 4140 */
1335 MIPS_SYS(sys_getdents , 3)
1336 MIPS_SYS(sys_select , 5)
1337 MIPS_SYS(sys_flock , 2)
1338 MIPS_SYS(sys_msync , 3)
1339 MIPS_SYS(sys_readv , 3) /* 4145 */
1340 MIPS_SYS(sys_writev , 3)
1341 MIPS_SYS(sys_cacheflush , 3)
1342 MIPS_SYS(sys_cachectl , 3)
1343 MIPS_SYS(sys_sysmips , 4)
1344 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1345 MIPS_SYS(sys_getsid , 1)
1346 MIPS_SYS(sys_fdatasync , 0)
1347 MIPS_SYS(sys_sysctl , 1)
1348 MIPS_SYS(sys_mlock , 2)
1349 MIPS_SYS(sys_munlock , 2) /* 4155 */
1350 MIPS_SYS(sys_mlockall , 1)
1351 MIPS_SYS(sys_munlockall , 0)
1352 MIPS_SYS(sys_sched_setparam, 2)
1353 MIPS_SYS(sys_sched_getparam, 2)
1354 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1355 MIPS_SYS(sys_sched_getscheduler, 1)
1356 MIPS_SYS(sys_sched_yield , 0)
1357 MIPS_SYS(sys_sched_get_priority_max, 1)
1358 MIPS_SYS(sys_sched_get_priority_min, 1)
1359 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1360 MIPS_SYS(sys_nanosleep, 2)
1361 MIPS_SYS(sys_mremap , 4)
1362 MIPS_SYS(sys_accept , 3)
1363 MIPS_SYS(sys_bind , 3)
1364 MIPS_SYS(sys_connect , 3) /* 4170 */
1365 MIPS_SYS(sys_getpeername , 3)
1366 MIPS_SYS(sys_getsockname , 3)
1367 MIPS_SYS(sys_getsockopt , 5)
1368 MIPS_SYS(sys_listen , 2)
1369 MIPS_SYS(sys_recv , 4) /* 4175 */
1370 MIPS_SYS(sys_recvfrom , 6)
1371 MIPS_SYS(sys_recvmsg , 3)
1372 MIPS_SYS(sys_send , 4)
1373 MIPS_SYS(sys_sendmsg , 3)
1374 MIPS_SYS(sys_sendto , 6) /* 4180 */
1375 MIPS_SYS(sys_setsockopt , 5)
1376 MIPS_SYS(sys_shutdown , 2)
1377 MIPS_SYS(sys_socket , 3)
1378 MIPS_SYS(sys_socketpair , 4)
1379 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1380 MIPS_SYS(sys_getresuid , 3)
1381 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1382 MIPS_SYS(sys_poll , 3)
1383 MIPS_SYS(sys_nfsservctl , 3)
1384 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1385 MIPS_SYS(sys_getresgid , 3)
1386 MIPS_SYS(sys_prctl , 5)
1387 MIPS_SYS(sys_rt_sigreturn, 0)
1388 MIPS_SYS(sys_rt_sigaction, 4)
1389 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1390 MIPS_SYS(sys_rt_sigpending, 2)
1391 MIPS_SYS(sys_rt_sigtimedwait, 4)
1392 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1393 MIPS_SYS(sys_rt_sigsuspend, 0)
1394 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1395 MIPS_SYS(sys_pwrite64 , 6)
1396 MIPS_SYS(sys_chown , 3)
1397 MIPS_SYS(sys_getcwd , 2)
1398 MIPS_SYS(sys_capget , 2)
1399 MIPS_SYS(sys_capset , 2) /* 4205 */
1400 MIPS_SYS(sys_sigaltstack , 0)
1401 MIPS_SYS(sys_sendfile , 4)
1402 MIPS_SYS(sys_ni_syscall , 0)
1403 MIPS_SYS(sys_ni_syscall , 0)
1404 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1405 MIPS_SYS(sys_truncate64 , 4)
1406 MIPS_SYS(sys_ftruncate64 , 4)
1407 MIPS_SYS(sys_stat64 , 2)
1408 MIPS_SYS(sys_lstat64 , 2)
1409 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1410 MIPS_SYS(sys_pivot_root , 2)
1411 MIPS_SYS(sys_mincore , 3)
1412 MIPS_SYS(sys_madvise , 3)
1413 MIPS_SYS(sys_getdents64 , 3)
1414 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1415 MIPS_SYS(sys_ni_syscall , 0)
1416 MIPS_SYS(sys_gettid , 0)
1417 MIPS_SYS(sys_readahead , 5)
1418 MIPS_SYS(sys_setxattr , 5)
1419 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1420 MIPS_SYS(sys_fsetxattr , 5)
1421 MIPS_SYS(sys_getxattr , 4)
1422 MIPS_SYS(sys_lgetxattr , 4)
1423 MIPS_SYS(sys_fgetxattr , 4)
1424 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1425 MIPS_SYS(sys_llistxattr , 3)
1426 MIPS_SYS(sys_flistxattr , 3)
1427 MIPS_SYS(sys_removexattr , 2)
1428 MIPS_SYS(sys_lremovexattr, 2)
1429 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1430 MIPS_SYS(sys_tkill , 2)
1431 MIPS_SYS(sys_sendfile64 , 5)
1432 MIPS_SYS(sys_futex , 2)
1433 MIPS_SYS(sys_sched_setaffinity, 3)
1434 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1435 MIPS_SYS(sys_io_setup , 2)
1436 MIPS_SYS(sys_io_destroy , 1)
1437 MIPS_SYS(sys_io_getevents, 5)
1438 MIPS_SYS(sys_io_submit , 3)
1439 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1440 MIPS_SYS(sys_exit_group , 1)
1441 MIPS_SYS(sys_lookup_dcookie, 3)
1442 MIPS_SYS(sys_epoll_create, 1)
1443 MIPS_SYS(sys_epoll_ctl , 4)
1444 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1445 MIPS_SYS(sys_remap_file_pages, 5)
1446 MIPS_SYS(sys_set_tid_address, 1)
1447 MIPS_SYS(sys_restart_syscall, 0)
1448 MIPS_SYS(sys_fadvise64_64, 7)
1449 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1450 MIPS_SYS(sys_fstatfs64 , 2)
1451 MIPS_SYS(sys_timer_create, 3)
1452 MIPS_SYS(sys_timer_settime, 4)
1453 MIPS_SYS(sys_timer_gettime, 2)
1454 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1455 MIPS_SYS(sys_timer_delete, 1)
1456 MIPS_SYS(sys_clock_settime, 2)
1457 MIPS_SYS(sys_clock_gettime, 2)
1458 MIPS_SYS(sys_clock_getres, 2)
1459 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1460 MIPS_SYS(sys_tgkill , 3)
1461 MIPS_SYS(sys_utimes , 2)
1462 MIPS_SYS(sys_mbind , 4)
1463 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1464 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1465 MIPS_SYS(sys_mq_open , 4)
1466 MIPS_SYS(sys_mq_unlink , 1)
1467 MIPS_SYS(sys_mq_timedsend, 5)
1468 MIPS_SYS(sys_mq_timedreceive, 5)
1469 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1470 MIPS_SYS(sys_mq_getsetattr, 3)
1471 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1472 MIPS_SYS(sys_waitid , 4)
1473 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1474 MIPS_SYS(sys_add_key , 5)
388bb21a 1475 MIPS_SYS(sys_request_key, 4)
048f6b4d 1476 MIPS_SYS(sys_keyctl , 5)
6f5b89a0 1477 MIPS_SYS(sys_set_thread_area, 1)
388bb21a
TS		 1478 MIPS_SYS(sys_inotify_init, 0)
1479 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1480 MIPS_SYS(sys_inotify_rm_watch, 2)
1481 MIPS_SYS(sys_migrate_pages, 4)
1482 MIPS_SYS(sys_openat, 4)
1483 MIPS_SYS(sys_mkdirat, 3)
1484 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1485 MIPS_SYS(sys_fchownat, 5)
1486 MIPS_SYS(sys_futimesat, 3)
1487 MIPS_SYS(sys_fstatat64, 4)
1488 MIPS_SYS(sys_unlinkat, 3)
1489 MIPS_SYS(sys_renameat, 4) /* 4295 */
1490 MIPS_SYS(sys_linkat, 5)
1491 MIPS_SYS(sys_symlinkat, 3)
1492 MIPS_SYS(sys_readlinkat, 4)
1493 MIPS_SYS(sys_fchmodat, 3)
1494 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1495 MIPS_SYS(sys_pselect6, 6)
1496 MIPS_SYS(sys_ppoll, 5)
1497 MIPS_SYS(sys_unshare, 1)
1498 MIPS_SYS(sys_splice, 4)
1499 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1500 MIPS_SYS(sys_tee, 4)
1501 MIPS_SYS(sys_vmsplice, 4)
1502 MIPS_SYS(sys_move_pages, 6)
1503 MIPS_SYS(sys_set_robust_list, 2)
1504 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1505 MIPS_SYS(sys_kexec_load, 4)
1506 MIPS_SYS(sys_getcpu, 3)
1507 MIPS_SYS(sys_epoll_pwait, 6)
1508 MIPS_SYS(sys_ioprio_set, 3)
1509 MIPS_SYS(sys_ioprio_get, 2)
048f6b4d
FB		 1510};
1511
1512#undef MIPS_SYS
1513
1514void cpu_loop(CPUMIPSState *env)
1515{
1516 target_siginfo_t info;
388bb21a 1517 int trapnr, ret;
048f6b4d 1518 unsigned int syscall_num;
048f6b4d
FB		 1519
1520 for(;;) {
1521 trapnr = cpu_mips_exec(env);
1522 switch(trapnr) {
1523 case EXCP_SYSCALL:
ead9360e
TS		 1524 syscall_num = env->gpr[2][env->current_tc] - 4000;
1525 env->PC[env->current_tc] += 4;
388bb21a
TS		 1526 if (syscall_num >= sizeof(mips_syscall_args)) {
1527 ret = -ENOSYS;
1528 } else {
1529 int nb_args;
992f48a0
BS		 1530 abi_ulong sp_reg;
1531 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
388bb21a
TS		 1532
1533 nb_args = mips_syscall_args[syscall_num];
ead9360e 1534 sp_reg = env->gpr[29][env->current_tc];
388bb21a
TS		 1535 switch (nb_args) {
1536 /* these arguments are taken from the stack */
2f619698
FB		 1537 /* FIXME - what to do if get_user() fails? */
1538 case 8: get_user_ual(arg8, sp_reg + 28);
1539 case 7: get_user_ual(arg7, sp_reg + 24);
1540 case 6: get_user_ual(arg6, sp_reg + 20);
1541 case 5: get_user_ual(arg5, sp_reg + 16);
388bb21a
TS		 1542 default:
1543 break;
048f6b4d 1544 }
ead9360e
TS		 1545 ret = do_syscall(env, env->gpr[2][env->current_tc],
1546 env->gpr[4][env->current_tc],
1547 env->gpr[5][env->current_tc],
1548 env->gpr[6][env->current_tc],
1549 env->gpr[7][env->current_tc],
388bb21a
TS		 1550 arg5, arg6/*, arg7, arg8*/);
1551 }
1552 if ((unsigned int)ret >= (unsigned int)(-1133)) {
ead9360e 1553 env->gpr[7][env->current_tc] = 1; /* error flag */
388bb21a
TS		 1554 ret = -ret;
1555 } else {
ead9360e 1556 env->gpr[7][env->current_tc] = 0; /* error flag */
048f6b4d 1557 }
ead9360e 1558 env->gpr[2][env->current_tc] = ret;
048f6b4d 1559 break;
ca7c2b1b
TS		 1560 case EXCP_TLBL:
1561 case EXCP_TLBS:
6900e84b 1562 case EXCP_CpU:
048f6b4d 1563 case EXCP_RI:
bc1ad2de
FB		 1564 info.si_signo = TARGET_SIGILL;
1565 info.si_errno = 0;
1566 info.si_code = 0;
1567 queue_signal(info.si_signo, &info);
048f6b4d 1568 break;
106ec879
FB		 1569 case EXCP_INTERRUPT:
1570 /* just indicate that signals should be handled asap */
1571 break;
d08b2a28
PB		 1572 case EXCP_DEBUG:
1573 {
1574 int sig;
1575
1576 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1577 if (sig)
1578 {
1579 info.si_signo = sig;
1580 info.si_errno = 0;
1581 info.si_code = TARGET_TRAP_BRKPT;
1582 queue_signal(info.si_signo, &info);
1583 }
1584 }
1585 break;
048f6b4d
FB		 1586 default:
1587 // error:
5fafdf24 1588 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
048f6b4d
FB		 1589 trapnr);
1590 cpu_dump_state(env, stderr, fprintf, 0);
1591 abort();
1592 }
1593 process_pending_signals(env);
1594 }
1595}
1596#endif
1597
fdf9b3e8
FB		 1598#ifdef TARGET_SH4
1599void cpu_loop (CPUState *env)
1600{
1601 int trapnr, ret;
355fb23d 1602 target_siginfo_t info;
3b46e624 1603
fdf9b3e8
FB		 1604 while (1) {
1605 trapnr = cpu_sh4_exec (env);
3b46e624 1606
fdf9b3e8
FB		 1607 switch (trapnr) {
1608 case 0x160:
5fafdf24
TS		 1609 ret = do_syscall(env,
1610 env->gregs[3],
1611 env->gregs[4],
1612 env->gregs[5],
1613 env->gregs[6],
1614 env->gregs[7],
1615 env->gregs[0],
fca743f3 1616 env->gregs[1]);
9c2a9ea1 1617 env->gregs[0] = ret;
fdf9b3e8
FB		 1618 env->pc += 2;
1619 break;
355fb23d
PB		 1620 case EXCP_DEBUG:
1621 {
1622 int sig;
1623
1624 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1625 if (sig)
1626 {
1627 info.si_signo = sig;
1628 info.si_errno = 0;
1629 info.si_code = TARGET_TRAP_BRKPT;
1630 queue_signal(info.si_signo, &info);
1631 }
1632 }
1633 break;
fdf9b3e8
FB		 1634 default:
1635 printf ("Unhandled trap: 0x%x\n", trapnr);
1636 cpu_dump_state(env, stderr, fprintf, 0);
1637 exit (1);
1638 }
1639 process_pending_signals (env);
1640 }
1641}
1642#endif
1643
48733d19
TS		 1644#ifdef TARGET_CRIS
1645void cpu_loop (CPUState *env)
1646{
1647 int trapnr, ret;
1648 target_siginfo_t info;
1649
1650 while (1) {
1651 trapnr = cpu_cris_exec (env);
1652 switch (trapnr) {
1653 case 0xaa:
1654 {
1655 info.si_signo = SIGSEGV;
1656 info.si_errno = 0;
1657 /* XXX: check env->error_code */
1658 info.si_code = TARGET_SEGV_MAPERR;
1659 info._sifields._sigfault._addr = env->debug1;
1660 queue_signal(info.si_signo, &info);
1661 }
1662 break;
1663 case EXCP_BREAK:
1664 ret = do_syscall(env,
1665 env->regs[9],
1666 env->regs[10],
1667 env->regs[11],
1668 env->regs[12],
1669 env->regs[13],
1670 env->pregs[7],
1671 env->pregs[11]);
1672 env->regs[10] = ret;
1673 env->pc += 2;
1674 break;
1675 case EXCP_DEBUG:
1676 {
1677 int sig;
1678
1679 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1680 if (sig)
1681 {
1682 info.si_signo = sig;
1683 info.si_errno = 0;
1684 info.si_code = TARGET_TRAP_BRKPT;
1685 queue_signal(info.si_signo, &info);
1686 }
1687 }
1688 break;
1689 default:
1690 printf ("Unhandled trap: 0x%x\n", trapnr);
1691 cpu_dump_state(env, stderr, fprintf, 0);
1692 exit (1);
1693 }
1694 process_pending_signals (env);
1695 }
1696}
1697#endif
1698
e6e5906b
PB		 1699#ifdef TARGET_M68K
1700
1701void cpu_loop(CPUM68KState *env)
1702{
1703 int trapnr;
1704 unsigned int n;
1705 target_siginfo_t info;
1706 TaskState *ts = env->opaque;
3b46e624 1707
e6e5906b
PB		 1708 for(;;) {
1709 trapnr = cpu_m68k_exec(env);
1710 switch(trapnr) {
1711 case EXCP_ILLEGAL:
1712 {
1713 if (ts->sim_syscalls) {
1714 uint16_t nr;
1715 nr = lduw(env->pc + 2);
1716 env->pc += 4;
1717 do_m68k_simcall(env, nr);
1718 } else {
1719 goto do_sigill;
1720 }
1721 }
1722 break;
a87295e8 1723 case EXCP_HALT_INSN:
e6e5906b 1724 /* Semihosing syscall. */
a87295e8 1725 env->pc += 4;
e6e5906b
PB		 1726 do_m68k_semihosting(env, env->dregs[0]);
1727 break;
1728 case EXCP_LINEA:
1729 case EXCP_LINEF:
1730 case EXCP_UNSUPPORTED:
1731 do_sigill:
1732 info.si_signo = SIGILL;
1733 info.si_errno = 0;
1734 info.si_code = TARGET_ILL_ILLOPN;
1735 info._sifields._sigfault._addr = env->pc;
1736 queue_signal(info.si_signo, &info);
1737 break;
1738 case EXCP_TRAP0:
1739 {
1740 ts->sim_syscalls = 0;
1741 n = env->dregs[0];
1742 env->pc += 2;
5fafdf24
TS		 1743 env->dregs[0] = do_syscall(env,
1744 n,
e6e5906b
PB		 1745 env->dregs[1],
1746 env->dregs[2],
1747 env->dregs[3],
1748 env->dregs[4],
1749 env->dregs[5],
1750 env->dregs[6]);
1751 }
1752 break;
1753 case EXCP_INTERRUPT:
1754 /* just indicate that signals should be handled asap */
1755 break;
1756 case EXCP_ACCESS:
1757 {
1758 info.si_signo = SIGSEGV;
1759 info.si_errno = 0;
1760 /* XXX: check env->error_code */
1761 info.si_code = TARGET_SEGV_MAPERR;
1762 info._sifields._sigfault._addr = env->mmu.ar;
1763 queue_signal(info.si_signo, &info);
1764 }
1765 break;
1766 case EXCP_DEBUG:
1767 {
1768 int sig;
1769
1770 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1771 if (sig)
1772 {
1773 info.si_signo = sig;
1774 info.si_errno = 0;
1775 info.si_code = TARGET_TRAP_BRKPT;
1776 queue_signal(info.si_signo, &info);
1777 }
1778 }
1779 break;
1780 default:
5fafdf24 1781 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
e6e5906b
PB		 1782 trapnr);
1783 cpu_dump_state(env, stderr, fprintf, 0);
1784 abort();
1785 }
1786 process_pending_signals(env);
1787 }
1788}
1789#endif /* TARGET_M68K */
1790
7a3148a9
JM		 1791#ifdef TARGET_ALPHA
1792void cpu_loop (CPUState *env)
1793{
e96efcfc 1794 int trapnr;
7a3148a9 1795 target_siginfo_t info;
3b46e624 1796
7a3148a9
JM		 1797 while (1) {
1798 trapnr = cpu_alpha_exec (env);
3b46e624 1799
7a3148a9
JM		 1800 switch (trapnr) {
1801 case EXCP_RESET:
1802 fprintf(stderr, "Reset requested. Exit\n");
1803 exit(1);
1804 break;
1805 case EXCP_MCHK:
1806 fprintf(stderr, "Machine check exception. Exit\n");
1807 exit(1);
1808 break;
1809 case EXCP_ARITH:
1810 fprintf(stderr, "Arithmetic trap.\n");
1811 exit(1);
1812 break;
1813 case EXCP_HW_INTERRUPT:
5fafdf24 1814 fprintf(stderr, "External interrupt. Exit\n");
7a3148a9
JM		 1815 exit(1);
1816 break;
1817 case EXCP_DFAULT:
1818 fprintf(stderr, "MMU data fault\n");
1819 exit(1);
1820 break;
1821 case EXCP_DTB_MISS_PAL:
1822 fprintf(stderr, "MMU data TLB miss in PALcode\n");
1823 exit(1);
1824 break;
1825 case EXCP_ITB_MISS:
1826 fprintf(stderr, "MMU instruction TLB miss\n");
1827 exit(1);
1828 break;
1829 case EXCP_ITB_ACV:
1830 fprintf(stderr, "MMU instruction access violation\n");
1831 exit(1);
1832 break;
1833 case EXCP_DTB_MISS_NATIVE:
1834 fprintf(stderr, "MMU data TLB miss\n");
1835 exit(1);
1836 break;
1837 case EXCP_UNALIGN:
1838 fprintf(stderr, "Unaligned access\n");
1839 exit(1);
1840 break;
1841 case EXCP_OPCDEC:
1842 fprintf(stderr, "Invalid instruction\n");
1843 exit(1);
1844 break;
1845 case EXCP_FEN:
1846 fprintf(stderr, "Floating-point not allowed\n");
1847 exit(1);
1848 break;
1849 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
1850 fprintf(stderr, "Call to PALcode\n");
1851 call_pal(env, (trapnr >> 6) | 0x80);
1852 break;
1853 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
7f75ffd3 1854 fprintf(stderr, "Privileged call to PALcode\n");
7a3148a9
JM		 1855 exit(1);
1856 break;
1857 case EXCP_DEBUG:
1858 {
1859 int sig;
1860
1861 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1862 if (sig)
1863 {
1864 info.si_signo = sig;
1865 info.si_errno = 0;
1866 info.si_code = TARGET_TRAP_BRKPT;
1867 queue_signal(info.si_signo, &info);
1868 }
1869 }
1870 break;
1871 default:
1872 printf ("Unhandled trap: 0x%x\n", trapnr);
1873 cpu_dump_state(env, stderr, fprintf, 0);
1874 exit (1);
1875 }
1876 process_pending_signals (env);
1877 }
1878}
1879#endif /* TARGET_ALPHA */
1880
31e31b8a
FB		 1881void usage(void)
1882{
84f2e8ef 1883 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
b1f9be31 1884 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n"
b346ff46 1885 "Linux CPU emulator (compiled for %s emulation)\n"
d691f669 1886 "\n"
b12b6a18
TS		 1887 "-h print this help\n"
1888 "-g port wait gdb connection to port\n"
1889 "-L path set the elf interpreter prefix (default=%s)\n"
1890 "-s size set the stack size in bytes (default=%ld)\n"
1891 "-cpu model select CPU (-cpu ? for list)\n"
1892 "-drop-ld-preload drop LD_PRELOAD for target process\n"
54936004
FB		 1893 "\n"
1894 "debug options:\n"
6f1f31c0 1895 "-d options activate log (logfile=%s)\n"
b6741956
FB		 1896 "-p pagesize set the host page size to 'pagesize'\n"
1897 "-strace log system calls\n",
b346ff46 1898 TARGET_ARCH,
5fafdf24 1899 interp_prefix,
54936004
FB		 1900 x86_stack_size,
1901 DEBUG_LOGFILE);
74cd30b8 1902 _exit(1);
31e31b8a
FB		 1903}
1904
9de5e440 1905/* XXX: currently only used for async signals (see signal.c) */
b346ff46 1906CPUState *global_env;
59faf6d6 1907
851e67a1
FB		 1908/* used to free thread contexts */
1909TaskState *first_task_state;
9de5e440 1910
31e31b8a
FB		 1911int main(int argc, char **argv)
1912{
1913 const char *filename;
b1f9be31 1914 const char *cpu_model;
01ffc75b 1915 struct target_pt_regs regs1, *regs = &regs1;
31e31b8a 1916 struct image_info info1, *info = &info1;
851e67a1 1917 TaskState ts1, *ts = &ts1;
b346ff46 1918 CPUState *env;
586314f2 1919 int optind;
d691f669 1920 const char *r;
74c33bed 1921 int gdbstub_port = 0;
b12b6a18
TS		 1922 int drop_ld_preload = 0, environ_count = 0;
1923 char **target_environ, **wrk, **dst;
1924
31e31b8a
FB		 1925 if (argc <= 1)
1926 usage();
f801f97e 1927
cc38b844
FB		 1928 /* init debug */
1929 cpu_set_log_filename(DEBUG_LOGFILE);
1930
b1f9be31 1931 cpu_model = NULL;
586314f2 1932 optind = 1;
d691f669
FB		 1933 for(;;) {
1934 if (optind >= argc)
1935 break;
1936 r = argv[optind];
1937 if (r[0] != '-')
1938 break;
586314f2 1939 optind++;
d691f669
FB		 1940 r++;
1941 if (!strcmp(r, "-")) {
1942 break;
1943 } else if (!strcmp(r, "d")) {
e19e89a5
FB		 1944 int mask;
1945 CPULogItem *item;
6f1f31c0
FB		 1946
1947 if (optind >= argc)
1948 break;
3b46e624 1949
6f1f31c0
FB		 1950 r = argv[optind++];
1951 mask = cpu_str_to_log_mask(r);
e19e89a5
FB		 1952 if (!mask) {
1953 printf("Log items (comma separated):\n");
1954 for(item = cpu_log_items; item->mask != 0; item++) {
1955 printf("%-10s %s\n", item->name, item->help);
1956 }
1957 exit(1);
1958 }
1959 cpu_set_log(mask);
d691f669
FB		 1960 } else if (!strcmp(r, "s")) {
1961 r = argv[optind++];
1962 x86_stack_size = strtol(r, (char **)&r, 0);
1963 if (x86_stack_size <= 0)
1964 usage();
1965 if (*r == 'M')
1966 x86_stack_size *= 1024 * 1024;
1967 else if (*r == 'k' || *r == 'K')
1968 x86_stack_size *= 1024;
1969 } else if (!strcmp(r, "L")) {
1970 interp_prefix = argv[optind++];
54936004 1971 } else if (!strcmp(r, "p")) {
83fb7adf
FB		 1972 qemu_host_page_size = atoi(argv[optind++]);
1973 if (qemu_host_page_size == 0 ||
1974 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
54936004
FB		 1975 fprintf(stderr, "page size must be a power of two\n");
1976 exit(1);
1977 }
1fddef4b 1978 } else if (!strcmp(r, "g")) {
74c33bed 1979 gdbstub_port = atoi(argv[optind++]);
c5937220
PB		 1980 } else if (!strcmp(r, "r")) {
1981 qemu_uname_release = argv[optind++];
b1f9be31
JM		 1982 } else if (!strcmp(r, "cpu")) {
1983 cpu_model = argv[optind++];
1984 if (strcmp(cpu_model, "?") == 0) {
c732abe2
JM		 1985/* XXX: implement xxx_cpu_list for targets that still miss it */
1986#if defined(cpu_list)
1987 cpu_list(stdout, &fprintf);
b1f9be31 1988#endif
cff4cbed 1989 _exit(1);
b1f9be31 1990 }
b12b6a18
TS		 1991 } else if (!strcmp(r, "drop-ld-preload")) {
1992 drop_ld_preload = 1;
b6741956
FB		 1993 } else if (!strcmp(r, "strace")) {
1994 do_strace = 1;
5fafdf24 1995 } else
c6981055 1996 {
d691f669
FB		 1997 usage();
1998 }
586314f2 1999 }
d691f669
FB		 2000 if (optind >= argc)
2001 usage();
586314f2
FB		 2002 filename = argv[optind];
2003
31e31b8a 2004 /* Zero out regs */
01ffc75b 2005 memset(regs, 0, sizeof(struct target_pt_regs));
31e31b8a
FB		 2006
2007 /* Zero out image_info */
2008 memset(info, 0, sizeof(struct image_info));
2009
74cd30b8
FB		 2010 /* Scan interp_prefix dir for replacement files. */
2011 init_paths(interp_prefix);
2012
46027c07 2013 if (cpu_model == NULL) {
aaed909a 2014#if defined(TARGET_I386)
46027c07
FB		 2015#ifdef TARGET_X86_64
2016 cpu_model = "qemu64";
2017#else
2018 cpu_model = "qemu32";
2019#endif
aaed909a
FB		 2020#elif defined(TARGET_ARM)
2021 cpu_model = "arm926";
2022#elif defined(TARGET_M68K)
2023 cpu_model = "any";
2024#elif defined(TARGET_SPARC)
2025#ifdef TARGET_SPARC64
2026 cpu_model = "TI UltraSparc II";
2027#else
2028 cpu_model = "Fujitsu MB86904";
46027c07 2029#endif
aaed909a
FB		 2030#elif defined(TARGET_MIPS)
2031#if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
2032 cpu_model = "20Kc";
2033#else
2034 cpu_model = "24Kf";
2035#endif
2036#elif defined(TARGET_PPC)
7ded4f52
FB		 2037#ifdef TARGET_PPC64
2038 cpu_model = "970";
2039#else
aaed909a 2040 cpu_model = "750";
7ded4f52 2041#endif
aaed909a
FB		 2042#else
2043 cpu_model = "any";
2044#endif
2045 }
83fb7adf
FB		 2046 /* NOTE: we need to init the CPU at this stage to get
2047 qemu_host_page_size */
aaed909a
FB		 2048 env = cpu_init(cpu_model);
2049 if (!env) {
2050 fprintf(stderr, "Unable to find CPU definition\n");
2051 exit(1);
2052 }
15338fd7 2053 global_env = env;
3b46e624 2054
b6741956
FB		 2055 if (getenv("QEMU_STRACE")) {
2056 do_strace = 1;
b92c47c1
TS		 2057 }
2058
b12b6a18
TS		 2059 wrk = environ;
2060 while (*(wrk++))
2061 environ_count++;
2062
2063 target_environ = malloc((environ_count + 1) * sizeof(char *));
2064 if (!target_environ)
2065 abort();
2066 for (wrk = environ, dst = target_environ; *wrk; wrk++) {
2067 if (drop_ld_preload && !strncmp(*wrk, "LD_PRELOAD=", 11))
2068 continue;
2069 *(dst++) = strdup(*wrk);
2070 }
403f14ef 2071 *dst = NULL; /* NULL terminate target_environ */
b12b6a18
TS		 2072
2073 if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) {
2074 printf("Error loading %s\n", filename);
2075 _exit(1);
2076 }
2077
2078 for (wrk = target_environ; *wrk; wrk++) {
2079 free(*wrk);
31e31b8a 2080 }
3b46e624 2081
b12b6a18
TS		 2082 free(target_environ);
2083
4b74fe1f 2084 if (loglevel) {
54936004 2085 page_dump(logfile);
3b46e624 2086
8a4ed7ef
FB		 2087 fprintf(logfile, "start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
2088 fprintf(logfile, "end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code);
2089 fprintf(logfile, "start_code 0x" TARGET_ABI_FMT_lx "\n",
3d177870 2090 info->start_code);
8a4ed7ef 2091 fprintf(logfile, "start_data 0x" TARGET_ABI_FMT_lx "\n",
3d177870 2092 info->start_data);
8a4ed7ef
FB		 2093 fprintf(logfile, "end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data);
2094 fprintf(logfile, "start_stack 0x" TARGET_ABI_FMT_lx "\n",
3d177870 2095 info->start_stack);
8a4ed7ef
FB		 2096 fprintf(logfile, "brk 0x" TARGET_ABI_FMT_lx "\n", info->brk);
2097 fprintf(logfile, "entry 0x" TARGET_ABI_FMT_lx "\n", info->entry);
4b74fe1f 2098 }
31e31b8a 2099
53a5960a 2100 target_set_brk(info->brk);
31e31b8a 2101 syscall_init();
66fb9763 2102 signal_init();
31e31b8a 2103
851e67a1
FB		 2104 /* build Task State */
2105 memset(ts, 0, sizeof(TaskState));
2106 env->opaque = ts;
2107 ts->used = 1;
978efd6a 2108 ts->info = info;
59faf6d6 2109 env->user_mode_only = 1;
3b46e624 2110
b346ff46 2111#if defined(TARGET_I386)
2e255c6b
FB		 2112 cpu_x86_set_cpl(env, 3);
2113
3802ce26 2114 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1bde465e
FB		 2115 env->hflags |= HF_PE_MASK;
2116 if (env->cpuid_features & CPUID_SSE) {
2117 env->cr[4] |= CR4_OSFXSR_MASK;
2118 env->hflags |= HF_OSFXSR_MASK;
2119 }
d2fd1af7 2120#ifndef TARGET_ABI32
4dbc422b
FB		 2121 /* enable 64 bit mode if possible */
2122 if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) {
2123 fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n");
2124 exit(1);
2125 }
d2fd1af7 2126 env->cr[4] |= CR4_PAE_MASK;
4dbc422b 2127 env->efer |= MSR_EFER_LMA | MSR_EFER_LME;
d2fd1af7
FB		 2128 env->hflags |= HF_LMA_MASK;
2129#endif
1bde465e 2130
415e561f
FB		 2131 /* flags setup : we activate the IRQs by default as in user mode */
2132 env->eflags |= IF_MASK;
3b46e624 2133
6dbad63e 2134 /* linux register setup */
d2fd1af7 2135#ifndef TARGET_ABI32
84409ddb
JM		 2136 env->regs[R_EAX] = regs->rax;
2137 env->regs[R_EBX] = regs->rbx;
2138 env->regs[R_ECX] = regs->rcx;
2139 env->regs[R_EDX] = regs->rdx;
2140 env->regs[R_ESI] = regs->rsi;
2141 env->regs[R_EDI] = regs->rdi;
2142 env->regs[R_EBP] = regs->rbp;
2143 env->regs[R_ESP] = regs->rsp;
2144 env->eip = regs->rip;
2145#else
0ecfa993
FB		 2146 env->regs[R_EAX] = regs->eax;
2147 env->regs[R_EBX] = regs->ebx;
2148 env->regs[R_ECX] = regs->ecx;
2149 env->regs[R_EDX] = regs->edx;
2150 env->regs[R_ESI] = regs->esi;
2151 env->regs[R_EDI] = regs->edi;
2152 env->regs[R_EBP] = regs->ebp;
2153 env->regs[R_ESP] = regs->esp;
dab2ed99 2154 env->eip = regs->eip;
84409ddb 2155#endif
31e31b8a 2156
f4beb510 2157 /* linux interrupt setup */
53a5960a 2158 env->idt.base = h2g(idt_table);
f4beb510
FB		 2159 env->idt.limit = sizeof(idt_table) - 1;
2160 set_idt(0, 0);
2161 set_idt(1, 0);
2162 set_idt(2, 0);
2163 set_idt(3, 3);
2164 set_idt(4, 3);
2165 set_idt(5, 3);
2166 set_idt(6, 0);
2167 set_idt(7, 0);
2168 set_idt(8, 0);
2169 set_idt(9, 0);
2170 set_idt(10, 0);
2171 set_idt(11, 0);
2172 set_idt(12, 0);
2173 set_idt(13, 0);
2174 set_idt(14, 0);
2175 set_idt(15, 0);
2176 set_idt(16, 0);
2177 set_idt(17, 0);
2178 set_idt(18, 0);
2179 set_idt(19, 0);
2180 set_idt(0x80, 3);
2181
6dbad63e 2182 /* linux segment setup */
8d18e893
FB		 2183 {
2184 uint64_t *gdt_table;
2185 gdt_table = qemu_mallocz(sizeof(uint64_t) * TARGET_GDT_ENTRIES);
d2fd1af7 2186 env->gdt.base = h2g((unsigned long)gdt_table);
8d18e893 2187 env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;
d2fd1af7 2188#ifdef TARGET_ABI32
8d18e893
FB		 2189 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2190 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2191 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
d2fd1af7
FB		 2192#else
2193 /* 64 bit code segment */
2194 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2195 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2196 DESC_L_MASK |
2197 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2198#endif
8d18e893
FB		 2199 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
2200 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2201 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
2202 }
6dbad63e 2203 cpu_x86_load_seg(env, R_CS, __USER_CS);
d2fd1af7
FB		 2204 cpu_x86_load_seg(env, R_SS, __USER_DS);
2205#ifdef TARGET_ABI32
6dbad63e
FB		 2206 cpu_x86_load_seg(env, R_DS, __USER_DS);
2207 cpu_x86_load_seg(env, R_ES, __USER_DS);
6dbad63e
FB		 2208 cpu_x86_load_seg(env, R_FS, __USER_DS);
2209 cpu_x86_load_seg(env, R_GS, __USER_DS);
d6eb40f6
TS		 2210 /* This hack makes Wine work... */
2211 env->segs[R_FS].selector = 0;
d2fd1af7
FB		 2212#else
2213 cpu_x86_load_seg(env, R_DS, 0);
2214 cpu_x86_load_seg(env, R_ES, 0);
2215 cpu_x86_load_seg(env, R_FS, 0);
2216 cpu_x86_load_seg(env, R_GS, 0);
2217#endif
b346ff46
FB		 2218#elif defined(TARGET_ARM)
2219 {
2220 int i;
b5ff1b31 2221 cpsr_write(env, regs->uregs[16], 0xffffffff);
b346ff46
FB		 2222 for(i = 0; i < 16; i++) {
2223 env->regs[i] = regs->uregs[i];
2224 }
b346ff46 2225 }
93ac68bc 2226#elif defined(TARGET_SPARC)
060366c5
FB		 2227 {
2228 int i;
2229 env->pc = regs->pc;
2230 env->npc = regs->npc;
2231 env->y = regs->y;
2232 for(i = 0; i < 8; i++)
2233 env->gregs[i] = regs->u_regs[i];
2234 for(i = 0; i < 8; i++)
2235 env->regwptr[i] = regs->u_regs[i + 8];
2236 }
67867308
FB		 2237#elif defined(TARGET_PPC)
2238 {
2239 int i;
3fc6c082 2240
0411a972
JM		 2241#if defined(TARGET_PPC64)
2242#if defined(TARGET_ABI32)
2243 env->msr &= ~((target_ulong)1 << MSR_SF);
e85e7c6e 2244#else
0411a972
JM		 2245 env->msr |= (target_ulong)1 << MSR_SF;
2246#endif
84409ddb 2247#endif
67867308
FB		 2248 env->nip = regs->nip;
2249 for(i = 0; i < 32; i++) {
2250 env->gpr[i] = regs->gpr[i];
2251 }
2252 }
e6e5906b
PB		 2253#elif defined(TARGET_M68K)
2254 {
e6e5906b
PB		 2255 env->pc = regs->pc;
2256 env->dregs[0] = regs->d0;
2257 env->dregs[1] = regs->d1;
2258 env->dregs[2] = regs->d2;
2259 env->dregs[3] = regs->d3;
2260 env->dregs[4] = regs->d4;
2261 env->dregs[5] = regs->d5;
2262 env->dregs[6] = regs->d6;
2263 env->dregs[7] = regs->d7;
2264 env->aregs[0] = regs->a0;
2265 env->aregs[1] = regs->a1;
2266 env->aregs[2] = regs->a2;
2267 env->aregs[3] = regs->a3;
2268 env->aregs[4] = regs->a4;
2269 env->aregs[5] = regs->a5;
2270 env->aregs[6] = regs->a6;
2271 env->aregs[7] = regs->usp;
2272 env->sr = regs->sr;
2273 ts->sim_syscalls = 1;
2274 }
048f6b4d
FB		 2275#elif defined(TARGET_MIPS)
2276 {
2277 int i;
2278
2279 for(i = 0; i < 32; i++) {
ead9360e 2280 env->gpr[i][env->current_tc] = regs->regs[i];
048f6b4d 2281 }
ead9360e 2282 env->PC[env->current_tc] = regs->cp0_epc;
048f6b4d 2283 }
fdf9b3e8
FB		 2284#elif defined(TARGET_SH4)
2285 {
2286 int i;
2287
2288 for(i = 0; i < 16; i++) {
2289 env->gregs[i] = regs->regs[i];
2290 }
2291 env->pc = regs->pc;
2292 }
7a3148a9
JM		 2293#elif defined(TARGET_ALPHA)
2294 {
2295 int i;
2296
2297 for(i = 0; i < 28; i++) {
992f48a0 2298 env->ir[i] = ((abi_ulong *)regs)[i];
7a3148a9
JM		 2299 }
2300 env->ipr[IPR_USP] = regs->usp;
2301 env->ir[30] = regs->usp;
2302 env->pc = regs->pc;
2303 env->unique = regs->unique;
2304 }
48733d19
TS		 2305#elif defined(TARGET_CRIS)
2306 {
2307 env->regs[0] = regs->r0;
2308 env->regs[1] = regs->r1;
2309 env->regs[2] = regs->r2;
2310 env->regs[3] = regs->r3;
2311 env->regs[4] = regs->r4;
2312 env->regs[5] = regs->r5;
2313 env->regs[6] = regs->r6;
2314 env->regs[7] = regs->r7;
2315 env->regs[8] = regs->r8;
2316 env->regs[9] = regs->r9;
2317 env->regs[10] = regs->r10;
2318 env->regs[11] = regs->r11;
2319 env->regs[12] = regs->r12;
2320 env->regs[13] = regs->r13;
2321 env->regs[14] = info->start_stack;
2322 env->regs[15] = regs->acr;
2323 env->pc = regs->erp;
2324 }
b346ff46
FB		 2325#else
2326#error unsupported target CPU
2327#endif
31e31b8a 2328
a87295e8
PB		 2329#if defined(TARGET_ARM) || defined(TARGET_M68K)
2330 ts->stack_base = info->start_stack;
2331 ts->heap_base = info->brk;
2332 /* This will be filled in on the first SYS_HEAPINFO call. */
2333 ts->heap_limit = 0;
2334#endif
2335
74c33bed
FB		 2336 if (gdbstub_port) {
2337 gdbserver_start (gdbstub_port);
1fddef4b
FB		 2338 gdb_handlesig(env, 0);
2339 }
1b6b029e
FB		 2340 cpu_loop(env);
2341 /* never exits */
31e31b8a
FB		 2342 return 0;
2343}
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