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1.1 root 1: /*
2: * qemu user main
3: *
4: * Copyright (c) 2003 Fabrice Bellard
5: *
6: * This program is free software; you can redistribute it and/or modify
7: * it under the terms of the GNU General Public License as published by
8: * the Free Software Foundation; either version 2 of the License, or
9: * (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19: */
20: #include <stdlib.h>
21: #include <stdio.h>
22: #include <stdarg.h>
23: #include <string.h>
24: #include <errno.h>
25: #include <unistd.h>
26:
27: #include "qemu.h"
28:
29: #define DEBUG_LOGFILE "/tmp/qemu.log"
30:
31: #ifdef __APPLE__
32: #include <crt_externs.h>
33: # define environ (*_NSGetEnviron())
34: #endif
35:
36: static const char *interp_prefix = CONFIG_QEMU_PREFIX;
1.1.1.4 root 37: const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
1.1 root 38:
39: #if defined(__i386__) && !defined(CONFIG_STATIC)
40: /* Force usage of an ELF interpreter even if it is an ELF shared
41: object ! */
42: const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
43: #endif
44:
45: /* for recent libc, we add these dummy symbols which are not declared
46: when generating a linked object (bug in ld ?) */
47: #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
48: long __preinit_array_start[0];
49: long __preinit_array_end[0];
50: long __init_array_start[0];
51: long __init_array_end[0];
52: long __fini_array_start[0];
53: long __fini_array_end[0];
54: #endif
55:
56: /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
57: we allocate a bigger stack. Need a better solution, for example
58: by remapping the process stack directly at the right place */
59: unsigned long x86_stack_size = 512 * 1024;
60:
61: void gemu_log(const char *fmt, ...)
62: {
63: va_list ap;
64:
65: va_start(ap, fmt);
66: vfprintf(stderr, fmt, ap);
67: va_end(ap);
68: }
69:
70: void cpu_outb(CPUState *env, int addr, int val)
71: {
72: fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
73: }
74:
75: void cpu_outw(CPUState *env, int addr, int val)
76: {
77: fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
78: }
79:
80: void cpu_outl(CPUState *env, int addr, int val)
81: {
82: fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
83: }
84:
85: int cpu_inb(CPUState *env, int addr)
86: {
87: fprintf(stderr, "inb: port=0x%04x\n", addr);
88: return 0;
89: }
90:
91: int cpu_inw(CPUState *env, int addr)
92: {
93: fprintf(stderr, "inw: port=0x%04x\n", addr);
94: return 0;
95: }
96:
97: int cpu_inl(CPUState *env, int addr)
98: {
99: fprintf(stderr, "inl: port=0x%04x\n", addr);
100: return 0;
101: }
102:
103: int cpu_get_pic_interrupt(CPUState *env)
104: {
105: return -1;
106: }
107:
108: /* timers for rdtsc */
109:
1.1.1.4 root 110: #if 0
1.1 root 111:
112: static uint64_t emu_time;
113:
114: int64_t cpu_get_real_ticks(void)
115: {
116: return emu_time++;
117: }
118:
119: #endif
120:
121: #ifdef TARGET_I386
122: /***********************************************************/
123: /* CPUX86 core interface */
124:
1.1.1.5 ! root 125: void cpu_smm_update(CPUState *env)
! 126: {
! 127: }
! 128:
1.1 root 129: uint64_t cpu_get_tsc(CPUX86State *env)
130: {
131: return cpu_get_real_ticks();
132: }
133:
134: static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
135: int flags)
136: {
137: unsigned int e1, e2;
1.1.1.3 root 138: uint32_t *p;
1.1 root 139: e1 = (addr << 16) | (limit & 0xffff);
140: e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
141: e2 |= flags;
1.1.1.3 root 142: p = ptr;
143: p[0] = tswapl(e1);
144: p[1] = tswapl(e2);
1.1 root 145: }
146:
147: static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
148: unsigned long addr, unsigned int sel)
149: {
150: unsigned int e1, e2;
1.1.1.3 root 151: uint32_t *p;
1.1 root 152: e1 = (addr & 0xffff) | (sel << 16);
153: e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
1.1.1.3 root 154: p = ptr;
155: p[0] = tswapl(e1);
156: p[1] = tswapl(e2);
1.1 root 157: }
158:
159: uint64_t gdt_table[6];
160: uint64_t idt_table[256];
161:
162: /* only dpl matters as we do only user space emulation */
163: static void set_idt(int n, unsigned int dpl)
164: {
165: set_gate(idt_table + n, 0, dpl, 0, 0);
166: }
167:
168: void cpu_loop(CPUX86State *env)
169: {
170: int trapnr;
171: target_ulong pc;
172: target_siginfo_t info;
173:
174: for(;;) {
175: trapnr = cpu_x86_exec(env);
176: switch(trapnr) {
177: case 0x80:
178: /* linux syscall */
179: env->regs[R_EAX] = do_syscall(env,
180: env->regs[R_EAX],
181: env->regs[R_EBX],
182: env->regs[R_ECX],
183: env->regs[R_EDX],
184: env->regs[R_ESI],
185: env->regs[R_EDI],
186: env->regs[R_EBP]);
187: break;
188: case EXCP0B_NOSEG:
189: case EXCP0C_STACK:
190: info.si_signo = SIGBUS;
191: info.si_errno = 0;
192: info.si_code = TARGET_SI_KERNEL;
193: info._sifields._sigfault._addr = 0;
194: queue_signal(info.si_signo, &info);
195: break;
196: case EXCP0D_GPF:
197: if (env->eflags & VM_MASK) {
198: handle_vm86_fault(env);
199: } else {
200: info.si_signo = SIGSEGV;
201: info.si_errno = 0;
202: info.si_code = TARGET_SI_KERNEL;
203: info._sifields._sigfault._addr = 0;
204: queue_signal(info.si_signo, &info);
205: }
206: break;
207: case EXCP0E_PAGE:
208: info.si_signo = SIGSEGV;
209: info.si_errno = 0;
210: if (!(env->error_code & 1))
211: info.si_code = TARGET_SEGV_MAPERR;
212: else
213: info.si_code = TARGET_SEGV_ACCERR;
214: info._sifields._sigfault._addr = env->cr[2];
215: queue_signal(info.si_signo, &info);
216: break;
217: case EXCP00_DIVZ:
218: if (env->eflags & VM_MASK) {
219: handle_vm86_trap(env, trapnr);
220: } else {
221: /* division by zero */
222: info.si_signo = SIGFPE;
223: info.si_errno = 0;
224: info.si_code = TARGET_FPE_INTDIV;
225: info._sifields._sigfault._addr = env->eip;
226: queue_signal(info.si_signo, &info);
227: }
228: break;
229: case EXCP01_SSTP:
230: case EXCP03_INT3:
231: if (env->eflags & VM_MASK) {
232: handle_vm86_trap(env, trapnr);
233: } else {
234: info.si_signo = SIGTRAP;
235: info.si_errno = 0;
236: if (trapnr == EXCP01_SSTP) {
237: info.si_code = TARGET_TRAP_BRKPT;
238: info._sifields._sigfault._addr = env->eip;
239: } else {
240: info.si_code = TARGET_SI_KERNEL;
241: info._sifields._sigfault._addr = 0;
242: }
243: queue_signal(info.si_signo, &info);
244: }
245: break;
246: case EXCP04_INTO:
247: case EXCP05_BOUND:
248: if (env->eflags & VM_MASK) {
249: handle_vm86_trap(env, trapnr);
250: } else {
251: info.si_signo = SIGSEGV;
252: info.si_errno = 0;
253: info.si_code = TARGET_SI_KERNEL;
254: info._sifields._sigfault._addr = 0;
255: queue_signal(info.si_signo, &info);
256: }
257: break;
258: case EXCP06_ILLOP:
259: info.si_signo = SIGILL;
260: info.si_errno = 0;
261: info.si_code = TARGET_ILL_ILLOPN;
262: info._sifields._sigfault._addr = env->eip;
263: queue_signal(info.si_signo, &info);
264: break;
265: case EXCP_INTERRUPT:
266: /* just indicate that signals should be handled asap */
267: break;
268: case EXCP_DEBUG:
269: {
270: int sig;
271:
272: sig = gdb_handlesig (env, TARGET_SIGTRAP);
273: if (sig)
274: {
275: info.si_signo = sig;
276: info.si_errno = 0;
277: info.si_code = TARGET_TRAP_BRKPT;
278: queue_signal(info.si_signo, &info);
279: }
280: }
281: break;
282: default:
283: pc = env->segs[R_CS].base + env->eip;
284: fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
285: (long)pc, trapnr);
286: abort();
287: }
288: process_pending_signals(env);
289: }
290: }
291: #endif
292:
293: #ifdef TARGET_ARM
294:
295: /* XXX: find a better solution */
296: extern void tb_invalidate_page_range(target_ulong start, target_ulong end);
297:
298: static void arm_cache_flush(target_ulong start, target_ulong last)
299: {
300: target_ulong addr, last1;
301:
302: if (last < start)
303: return;
304: addr = start;
305: for(;;) {
306: last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
307: if (last1 > last)
308: last1 = last;
309: tb_invalidate_page_range(addr, last1 + 1);
310: if (last1 == last)
311: break;
312: addr = last1 + 1;
313: }
314: }
315:
316: void cpu_loop(CPUARMState *env)
317: {
318: int trapnr;
319: unsigned int n, insn;
320: target_siginfo_t info;
1.1.1.2 root 321: uint32_t addr;
1.1 root 322:
323: for(;;) {
324: trapnr = cpu_arm_exec(env);
325: switch(trapnr) {
326: case EXCP_UDEF:
327: {
328: TaskState *ts = env->opaque;
329: uint32_t opcode;
330:
331: /* we handle the FPU emulation here, as Linux */
332: /* we get the opcode */
1.1.1.3 root 333: opcode = tget32(env->regs[15]);
1.1 root 334:
1.1.1.3 root 335: if (EmulateAll(opcode, &ts->fpa, env) == 0) {
1.1 root 336: info.si_signo = SIGILL;
337: info.si_errno = 0;
338: info.si_code = TARGET_ILL_ILLOPN;
339: info._sifields._sigfault._addr = env->regs[15];
340: queue_signal(info.si_signo, &info);
341: } else {
342: /* increment PC */
343: env->regs[15] += 4;
344: }
345: }
346: break;
347: case EXCP_SWI:
1.1.1.3 root 348: case EXCP_BKPT:
1.1 root 349: {
1.1.1.3 root 350: env->eabi = 1;
1.1 root 351: /* system call */
1.1.1.3 root 352: if (trapnr == EXCP_BKPT) {
353: if (env->thumb) {
354: insn = tget16(env->regs[15]);
355: n = insn & 0xff;
356: env->regs[15] += 2;
357: } else {
358: insn = tget32(env->regs[15]);
359: n = (insn & 0xf) | ((insn >> 4) & 0xff0);
360: env->regs[15] += 4;
361: }
1.1 root 362: } else {
1.1.1.3 root 363: if (env->thumb) {
364: insn = tget16(env->regs[15] - 2);
365: n = insn & 0xff;
366: } else {
367: insn = tget32(env->regs[15] - 4);
368: n = insn & 0xffffff;
369: }
1.1 root 370: }
371:
372: if (n == ARM_NR_cacheflush) {
373: arm_cache_flush(env->regs[0], env->regs[1]);
374: } else if (n == ARM_NR_semihosting
375: || n == ARM_NR_thumb_semihosting) {
376: env->regs[0] = do_arm_semihosting (env);
1.1.1.3 root 377: } else if (n == 0 || n >= ARM_SYSCALL_BASE
1.1 root 378: || (env->thumb && n == ARM_THUMB_SYSCALL)) {
379: /* linux syscall */
1.1.1.3 root 380: if (env->thumb || n == 0) {
1.1 root 381: n = env->regs[7];
382: } else {
383: n -= ARM_SYSCALL_BASE;
1.1.1.3 root 384: env->eabi = 0;
1.1 root 385: }
386: env->regs[0] = do_syscall(env,
387: n,
388: env->regs[0],
389: env->regs[1],
390: env->regs[2],
391: env->regs[3],
392: env->regs[4],
393: env->regs[5]);
394: } else {
395: goto error;
396: }
397: }
398: break;
399: case EXCP_INTERRUPT:
400: /* just indicate that signals should be handled asap */
401: break;
402: case EXCP_PREFETCH_ABORT:
1.1.1.2 root 403: addr = env->cp15.c6_data;
404: goto do_segv;
1.1 root 405: case EXCP_DATA_ABORT:
1.1.1.2 root 406: addr = env->cp15.c6_insn;
407: goto do_segv;
408: do_segv:
1.1 root 409: {
410: info.si_signo = SIGSEGV;
411: info.si_errno = 0;
412: /* XXX: check env->error_code */
413: info.si_code = TARGET_SEGV_MAPERR;
1.1.1.2 root 414: info._sifields._sigfault._addr = addr;
1.1 root 415: queue_signal(info.si_signo, &info);
416: }
417: break;
418: case EXCP_DEBUG:
419: {
420: int sig;
421:
422: sig = gdb_handlesig (env, TARGET_SIGTRAP);
423: if (sig)
424: {
425: info.si_signo = sig;
426: info.si_errno = 0;
427: info.si_code = TARGET_TRAP_BRKPT;
428: queue_signal(info.si_signo, &info);
429: }
430: }
431: break;
432: default:
433: error:
434: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
435: trapnr);
436: cpu_dump_state(env, stderr, fprintf, 0);
437: abort();
438: }
439: process_pending_signals(env);
440: }
441: }
442:
443: #endif
444:
445: #ifdef TARGET_SPARC
446:
447: //#define DEBUG_WIN
448:
449: /* WARNING: dealing with register windows _is_ complicated. More info
450: can be found at http://www.sics.se/~psm/sparcstack.html */
451: static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
452: {
453: index = (index + cwp * 16) & (16 * NWINDOWS - 1);
454: /* wrap handling : if cwp is on the last window, then we use the
455: registers 'after' the end */
456: if (index < 8 && env->cwp == (NWINDOWS - 1))
457: index += (16 * NWINDOWS);
458: return index;
459: }
460:
461: /* save the register window 'cwp1' */
462: static inline void save_window_offset(CPUSPARCState *env, int cwp1)
463: {
464: unsigned int i;
1.1.1.3 root 465: target_ulong sp_ptr;
1.1 root 466:
1.1.1.3 root 467: sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
1.1 root 468: #if defined(DEBUG_WIN)
469: printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
470: (int)sp_ptr, cwp1);
471: #endif
472: for(i = 0; i < 16; i++) {
1.1.1.3 root 473: tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
474: sp_ptr += sizeof(target_ulong);
1.1 root 475: }
476: }
477:
478: static void save_window(CPUSPARCState *env)
479: {
1.1.1.4 root 480: #ifndef TARGET_SPARC64
1.1 root 481: unsigned int new_wim;
482: new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
483: ((1LL << NWINDOWS) - 1);
484: save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
485: env->wim = new_wim;
1.1.1.4 root 486: #else
487: save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
488: env->cansave++;
489: env->canrestore--;
490: #endif
1.1 root 491: }
492:
493: static void restore_window(CPUSPARCState *env)
494: {
495: unsigned int new_wim, i, cwp1;
1.1.1.3 root 496: target_ulong sp_ptr;
1.1 root 497:
498: new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
499: ((1LL << NWINDOWS) - 1);
500:
501: /* restore the invalid window */
502: cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
1.1.1.3 root 503: sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
1.1 root 504: #if defined(DEBUG_WIN)
505: printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
506: (int)sp_ptr, cwp1);
507: #endif
508: for(i = 0; i < 16; i++) {
1.1.1.3 root 509: env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
510: sp_ptr += sizeof(target_ulong);
1.1 root 511: }
512: env->wim = new_wim;
1.1.1.4 root 513: #ifdef TARGET_SPARC64
514: env->canrestore++;
515: if (env->cleanwin < NWINDOWS - 1)
516: env->cleanwin++;
517: env->cansave--;
518: #endif
1.1 root 519: }
520:
521: static void flush_windows(CPUSPARCState *env)
522: {
523: int offset, cwp1;
524:
525: offset = 1;
526: for(;;) {
527: /* if restore would invoke restore_window(), then we can stop */
528: cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
529: if (env->wim & (1 << cwp1))
530: break;
531: save_window_offset(env, cwp1);
532: offset++;
533: }
534: /* set wim so that restore will reload the registers */
535: cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
536: env->wim = 1 << cwp1;
537: #if defined(DEBUG_WIN)
538: printf("flush_windows: nb=%d\n", offset - 1);
539: #endif
540: }
541:
542: void cpu_loop (CPUSPARCState *env)
543: {
544: int trapnr, ret;
545: target_siginfo_t info;
546:
547: while (1) {
548: trapnr = cpu_sparc_exec (env);
549:
550: switch (trapnr) {
1.1.1.4 root 551: #ifndef TARGET_SPARC64
1.1 root 552: case 0x88:
553: case 0x90:
1.1.1.4 root 554: #else
555: case 0x16d:
556: #endif
1.1 root 557: ret = do_syscall (env, env->gregs[1],
558: env->regwptr[0], env->regwptr[1],
559: env->regwptr[2], env->regwptr[3],
560: env->regwptr[4], env->regwptr[5]);
561: if ((unsigned int)ret >= (unsigned int)(-515)) {
1.1.1.5 ! root 562: #ifdef TARGET_SPARC64
! 563: env->xcc |= PSR_CARRY;
! 564: #else
1.1 root 565: env->psr |= PSR_CARRY;
1.1.1.5 ! root 566: #endif
1.1 root 567: ret = -ret;
568: } else {
1.1.1.5 ! root 569: #ifdef TARGET_SPARC64
! 570: env->xcc &= ~PSR_CARRY;
! 571: #else
1.1 root 572: env->psr &= ~PSR_CARRY;
1.1.1.5 ! root 573: #endif
1.1 root 574: }
575: env->regwptr[0] = ret;
576: /* next instruction */
577: env->pc = env->npc;
578: env->npc = env->npc + 4;
579: break;
580: case 0x83: /* flush windows */
581: flush_windows(env);
582: /* next instruction */
583: env->pc = env->npc;
584: env->npc = env->npc + 4;
585: break;
586: #ifndef TARGET_SPARC64
587: case TT_WIN_OVF: /* window overflow */
588: save_window(env);
589: break;
590: case TT_WIN_UNF: /* window underflow */
591: restore_window(env);
592: break;
593: case TT_TFAULT:
594: case TT_DFAULT:
595: {
596: info.si_signo = SIGSEGV;
597: info.si_errno = 0;
598: /* XXX: check env->error_code */
599: info.si_code = TARGET_SEGV_MAPERR;
600: info._sifields._sigfault._addr = env->mmuregs[4];
601: queue_signal(info.si_signo, &info);
602: }
603: break;
604: #else
1.1.1.4 root 605: case TT_SPILL: /* window overflow */
606: save_window(env);
607: break;
608: case TT_FILL: /* window underflow */
609: restore_window(env);
610: break;
1.1 root 611: // XXX
612: #endif
1.1.1.4 root 613: case EXCP_INTERRUPT:
614: /* just indicate that signals should be handled asap */
615: break;
1.1 root 616: case EXCP_DEBUG:
617: {
618: int sig;
619:
620: sig = gdb_handlesig (env, TARGET_SIGTRAP);
621: if (sig)
622: {
623: info.si_signo = sig;
624: info.si_errno = 0;
625: info.si_code = TARGET_TRAP_BRKPT;
626: queue_signal(info.si_signo, &info);
627: }
628: }
629: break;
630: default:
631: printf ("Unhandled trap: 0x%x\n", trapnr);
632: cpu_dump_state(env, stderr, fprintf, 0);
633: exit (1);
634: }
635: process_pending_signals (env);
636: }
637: }
638:
639: #endif
640:
641: #ifdef TARGET_PPC
642:
643: static inline uint64_t cpu_ppc_get_tb (CPUState *env)
644: {
645: /* TO FIX */
646: return 0;
647: }
648:
649: uint32_t cpu_ppc_load_tbl (CPUState *env)
650: {
651: return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
652: }
653:
654: uint32_t cpu_ppc_load_tbu (CPUState *env)
655: {
656: return cpu_ppc_get_tb(env) >> 32;
657: }
658:
659: static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
660: {
661: /* TO FIX */
662: }
663:
664: void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
665: {
666: cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
667: }
668:
669: void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
670: {
671: cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
672: }
673:
674: uint32_t cpu_ppc_load_decr (CPUState *env)
675: {
676: /* TO FIX */
677: return -1;
678: }
679:
680: void cpu_ppc_store_decr (CPUState *env, uint32_t value)
681: {
682: /* TO FIX */
683: }
684:
685: void cpu_loop(CPUPPCState *env)
686: {
687: target_siginfo_t info;
688: int trapnr;
689: uint32_t ret;
690:
691: for(;;) {
692: trapnr = cpu_ppc_exec(env);
693: if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
694: trapnr != EXCP_TRACE) {
695: if (loglevel > 0) {
696: cpu_dump_state(env, logfile, fprintf, 0);
697: }
698: }
699: switch(trapnr) {
700: case EXCP_NONE:
701: break;
702: case EXCP_SYSCALL_USER:
703: /* system call */
704: /* WARNING:
705: * PPC ABI uses overflow flag in cr0 to signal an error
706: * in syscalls.
707: */
708: #if 0
709: printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
710: env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
711: #endif
712: env->crf[0] &= ~0x1;
713: ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
714: env->gpr[5], env->gpr[6], env->gpr[7],
715: env->gpr[8]);
716: if (ret > (uint32_t)(-515)) {
717: env->crf[0] |= 0x1;
718: ret = -ret;
719: }
720: env->gpr[3] = ret;
721: #if 0
722: printf("syscall returned 0x%08x (%d)\n", ret, ret);
723: #endif
724: break;
725: case EXCP_RESET:
726: /* Should not happen ! */
727: fprintf(stderr, "RESET asked... Stop emulation\n");
728: if (loglevel)
729: fprintf(logfile, "RESET asked... Stop emulation\n");
730: abort();
731: case EXCP_MACHINE_CHECK:
732: fprintf(stderr, "Machine check exeption... Stop emulation\n");
733: if (loglevel)
734: fprintf(logfile, "RESET asked... Stop emulation\n");
735: info.si_signo = TARGET_SIGBUS;
736: info.si_errno = 0;
737: info.si_code = TARGET_BUS_OBJERR;
738: info._sifields._sigfault._addr = env->nip - 4;
739: queue_signal(info.si_signo, &info);
740: case EXCP_DSI:
741: fprintf(stderr, "Invalid data memory access: 0x%08x\n",
742: env->spr[SPR_DAR]);
743: if (loglevel) {
744: fprintf(logfile, "Invalid data memory access: 0x%08x\n",
745: env->spr[SPR_DAR]);
746: }
747: switch (env->error_code & 0xFF000000) {
748: case 0x40000000:
749: info.si_signo = TARGET_SIGSEGV;
750: info.si_errno = 0;
751: info.si_code = TARGET_SEGV_MAPERR;
752: break;
753: case 0x04000000:
754: info.si_signo = TARGET_SIGILL;
755: info.si_errno = 0;
756: info.si_code = TARGET_ILL_ILLADR;
757: break;
758: case 0x08000000:
759: info.si_signo = TARGET_SIGSEGV;
760: info.si_errno = 0;
761: info.si_code = TARGET_SEGV_ACCERR;
762: break;
763: default:
764: /* Let's send a regular segfault... */
765: fprintf(stderr, "Invalid segfault errno (%02x)\n",
766: env->error_code);
767: if (loglevel) {
768: fprintf(logfile, "Invalid segfault errno (%02x)\n",
769: env->error_code);
770: }
771: info.si_signo = TARGET_SIGSEGV;
772: info.si_errno = 0;
773: info.si_code = TARGET_SEGV_MAPERR;
774: break;
775: }
776: info._sifields._sigfault._addr = env->nip;
777: queue_signal(info.si_signo, &info);
778: break;
779: case EXCP_ISI:
780: fprintf(stderr, "Invalid instruction fetch\n");
781: if (loglevel)
782: fprintf(logfile, "Invalid instruction fetch\n");
783: switch (env->error_code & 0xFF000000) {
784: case 0x40000000:
785: info.si_signo = TARGET_SIGSEGV;
786: info.si_errno = 0;
787: info.si_code = TARGET_SEGV_MAPERR;
788: break;
789: case 0x10000000:
790: case 0x08000000:
791: info.si_signo = TARGET_SIGSEGV;
792: info.si_errno = 0;
793: info.si_code = TARGET_SEGV_ACCERR;
794: break;
795: default:
796: /* Let's send a regular segfault... */
797: fprintf(stderr, "Invalid segfault errno (%02x)\n",
798: env->error_code);
799: if (loglevel) {
800: fprintf(logfile, "Invalid segfault errno (%02x)\n",
801: env->error_code);
802: }
803: info.si_signo = TARGET_SIGSEGV;
804: info.si_errno = 0;
805: info.si_code = TARGET_SEGV_MAPERR;
806: break;
807: }
808: info._sifields._sigfault._addr = env->nip - 4;
809: queue_signal(info.si_signo, &info);
810: break;
811: case EXCP_EXTERNAL:
812: /* Should not happen ! */
813: fprintf(stderr, "External interruption... Stop emulation\n");
814: if (loglevel)
815: fprintf(logfile, "External interruption... Stop emulation\n");
816: abort();
817: case EXCP_ALIGN:
818: fprintf(stderr, "Invalid unaligned memory access\n");
819: if (loglevel)
820: fprintf(logfile, "Invalid unaligned memory access\n");
821: info.si_signo = TARGET_SIGBUS;
822: info.si_errno = 0;
823: info.si_code = TARGET_BUS_ADRALN;
824: info._sifields._sigfault._addr = env->nip - 4;
825: queue_signal(info.si_signo, &info);
826: break;
827: case EXCP_PROGRAM:
828: switch (env->error_code & ~0xF) {
829: case EXCP_FP:
830: fprintf(stderr, "Program exception\n");
831: if (loglevel)
832: fprintf(logfile, "Program exception\n");
833: /* Set FX */
834: env->fpscr[7] |= 0x8;
835: /* Finally, update FEX */
836: if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
837: ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
838: env->fpscr[7] |= 0x4;
839: info.si_signo = TARGET_SIGFPE;
840: info.si_errno = 0;
841: switch (env->error_code & 0xF) {
842: case EXCP_FP_OX:
843: info.si_code = TARGET_FPE_FLTOVF;
844: break;
845: case EXCP_FP_UX:
846: info.si_code = TARGET_FPE_FLTUND;
847: break;
848: case EXCP_FP_ZX:
849: case EXCP_FP_VXZDZ:
850: info.si_code = TARGET_FPE_FLTDIV;
851: break;
852: case EXCP_FP_XX:
853: info.si_code = TARGET_FPE_FLTRES;
854: break;
855: case EXCP_FP_VXSOFT:
856: info.si_code = TARGET_FPE_FLTINV;
857: break;
858: case EXCP_FP_VXNAN:
859: case EXCP_FP_VXISI:
860: case EXCP_FP_VXIDI:
861: case EXCP_FP_VXIMZ:
862: case EXCP_FP_VXVC:
863: case EXCP_FP_VXSQRT:
864: case EXCP_FP_VXCVI:
865: info.si_code = TARGET_FPE_FLTSUB;
866: break;
867: default:
868: fprintf(stderr, "Unknown floating point exception "
869: "(%02x)\n", env->error_code);
870: if (loglevel) {
871: fprintf(logfile, "Unknown floating point exception "
872: "(%02x)\n", env->error_code & 0xF);
873: }
874: }
875: break;
876: case EXCP_INVAL:
877: fprintf(stderr, "Invalid instruction\n");
878: if (loglevel)
879: fprintf(logfile, "Invalid instruction\n");
880: info.si_signo = TARGET_SIGILL;
881: info.si_errno = 0;
882: switch (env->error_code & 0xF) {
883: case EXCP_INVAL_INVAL:
884: info.si_code = TARGET_ILL_ILLOPC;
885: break;
886: case EXCP_INVAL_LSWX:
887: info.si_code = TARGET_ILL_ILLOPN;
888: break;
889: case EXCP_INVAL_SPR:
890: info.si_code = TARGET_ILL_PRVREG;
891: break;
892: case EXCP_INVAL_FP:
893: info.si_code = TARGET_ILL_COPROC;
894: break;
895: default:
896: fprintf(stderr, "Unknown invalid operation (%02x)\n",
897: env->error_code & 0xF);
898: if (loglevel) {
899: fprintf(logfile, "Unknown invalid operation (%02x)\n",
900: env->error_code & 0xF);
901: }
902: info.si_code = TARGET_ILL_ILLADR;
903: break;
904: }
905: break;
906: case EXCP_PRIV:
907: fprintf(stderr, "Privilege violation\n");
908: if (loglevel)
909: fprintf(logfile, "Privilege violation\n");
910: info.si_signo = TARGET_SIGILL;
911: info.si_errno = 0;
912: switch (env->error_code & 0xF) {
913: case EXCP_PRIV_OPC:
914: info.si_code = TARGET_ILL_PRVOPC;
915: break;
916: case EXCP_PRIV_REG:
917: info.si_code = TARGET_ILL_PRVREG;
918: break;
919: default:
920: fprintf(stderr, "Unknown privilege violation (%02x)\n",
921: env->error_code & 0xF);
922: info.si_code = TARGET_ILL_PRVOPC;
923: break;
924: }
925: break;
926: case EXCP_TRAP:
927: fprintf(stderr, "Tried to call a TRAP\n");
928: if (loglevel)
929: fprintf(logfile, "Tried to call a TRAP\n");
930: abort();
931: default:
932: /* Should not happen ! */
933: fprintf(stderr, "Unknown program exception (%02x)\n",
934: env->error_code);
935: if (loglevel) {
936: fprintf(logfile, "Unknwon program exception (%02x)\n",
937: env->error_code);
938: }
939: abort();
940: }
941: info._sifields._sigfault._addr = env->nip - 4;
942: queue_signal(info.si_signo, &info);
943: break;
944: case EXCP_NO_FP:
945: fprintf(stderr, "No floating point allowed\n");
946: if (loglevel)
947: fprintf(logfile, "No floating point allowed\n");
948: info.si_signo = TARGET_SIGILL;
949: info.si_errno = 0;
950: info.si_code = TARGET_ILL_COPROC;
951: info._sifields._sigfault._addr = env->nip - 4;
952: queue_signal(info.si_signo, &info);
953: break;
954: case EXCP_DECR:
955: /* Should not happen ! */
956: fprintf(stderr, "Decrementer exception\n");
957: if (loglevel)
958: fprintf(logfile, "Decrementer exception\n");
959: abort();
960: case EXCP_TRACE:
961: /* Do nothing: we use this to trace execution */
962: break;
963: case EXCP_FP_ASSIST:
964: /* Should not happen ! */
965: fprintf(stderr, "Floating point assist exception\n");
966: if (loglevel)
967: fprintf(logfile, "Floating point assist exception\n");
968: abort();
969: case EXCP_MTMSR:
970: /* We reloaded the msr, just go on */
971: if (msr_pr == 0) {
972: fprintf(stderr, "Tried to go into supervisor mode !\n");
973: if (loglevel)
974: fprintf(logfile, "Tried to go into supervisor mode !\n");
975: abort();
976: }
977: break;
978: case EXCP_BRANCH:
979: /* We stopped because of a jump... */
980: break;
981: case EXCP_INTERRUPT:
982: /* Don't know why this should ever happen... */
983: break;
984: case EXCP_DEBUG:
985: {
986: int sig;
987:
988: sig = gdb_handlesig (env, TARGET_SIGTRAP);
989: if (sig)
990: {
991: info.si_signo = sig;
992: info.si_errno = 0;
993: info.si_code = TARGET_TRAP_BRKPT;
994: queue_signal(info.si_signo, &info);
995: }
996: }
997: break;
998: default:
999: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1000: trapnr);
1001: if (loglevel) {
1002: fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
1003: "0x%02x - aborting\n", trapnr, env->error_code);
1004: }
1005: abort();
1006: }
1007: process_pending_signals(env);
1008: }
1009: }
1010: #endif
1011:
1.1.1.2 root 1012: #ifdef TARGET_MIPS
1013:
1014: #define MIPS_SYS(name, args) args,
1015:
1016: static const uint8_t mips_syscall_args[] = {
1017: MIPS_SYS(sys_syscall , 0) /* 4000 */
1018: MIPS_SYS(sys_exit , 1)
1019: MIPS_SYS(sys_fork , 0)
1020: MIPS_SYS(sys_read , 3)
1021: MIPS_SYS(sys_write , 3)
1022: MIPS_SYS(sys_open , 3) /* 4005 */
1023: MIPS_SYS(sys_close , 1)
1024: MIPS_SYS(sys_waitpid , 3)
1025: MIPS_SYS(sys_creat , 2)
1026: MIPS_SYS(sys_link , 2)
1027: MIPS_SYS(sys_unlink , 1) /* 4010 */
1028: MIPS_SYS(sys_execve , 0)
1029: MIPS_SYS(sys_chdir , 1)
1030: MIPS_SYS(sys_time , 1)
1031: MIPS_SYS(sys_mknod , 3)
1032: MIPS_SYS(sys_chmod , 2) /* 4015 */
1033: MIPS_SYS(sys_lchown , 3)
1034: MIPS_SYS(sys_ni_syscall , 0)
1035: MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1036: MIPS_SYS(sys_lseek , 3)
1037: MIPS_SYS(sys_getpid , 0) /* 4020 */
1038: MIPS_SYS(sys_mount , 5)
1039: MIPS_SYS(sys_oldumount , 1)
1040: MIPS_SYS(sys_setuid , 1)
1041: MIPS_SYS(sys_getuid , 0)
1042: MIPS_SYS(sys_stime , 1) /* 4025 */
1043: MIPS_SYS(sys_ptrace , 4)
1044: MIPS_SYS(sys_alarm , 1)
1045: MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1046: MIPS_SYS(sys_pause , 0)
1047: MIPS_SYS(sys_utime , 2) /* 4030 */
1048: MIPS_SYS(sys_ni_syscall , 0)
1049: MIPS_SYS(sys_ni_syscall , 0)
1050: MIPS_SYS(sys_access , 2)
1051: MIPS_SYS(sys_nice , 1)
1052: MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1053: MIPS_SYS(sys_sync , 0)
1054: MIPS_SYS(sys_kill , 2)
1055: MIPS_SYS(sys_rename , 2)
1056: MIPS_SYS(sys_mkdir , 2)
1057: MIPS_SYS(sys_rmdir , 1) /* 4040 */
1058: MIPS_SYS(sys_dup , 1)
1059: MIPS_SYS(sys_pipe , 0)
1060: MIPS_SYS(sys_times , 1)
1061: MIPS_SYS(sys_ni_syscall , 0)
1062: MIPS_SYS(sys_brk , 1) /* 4045 */
1063: MIPS_SYS(sys_setgid , 1)
1064: MIPS_SYS(sys_getgid , 0)
1065: MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1066: MIPS_SYS(sys_geteuid , 0)
1067: MIPS_SYS(sys_getegid , 0) /* 4050 */
1068: MIPS_SYS(sys_acct , 0)
1069: MIPS_SYS(sys_umount , 2)
1070: MIPS_SYS(sys_ni_syscall , 0)
1071: MIPS_SYS(sys_ioctl , 3)
1072: MIPS_SYS(sys_fcntl , 3) /* 4055 */
1073: MIPS_SYS(sys_ni_syscall , 2)
1074: MIPS_SYS(sys_setpgid , 2)
1075: MIPS_SYS(sys_ni_syscall , 0)
1076: MIPS_SYS(sys_olduname , 1)
1077: MIPS_SYS(sys_umask , 1) /* 4060 */
1078: MIPS_SYS(sys_chroot , 1)
1079: MIPS_SYS(sys_ustat , 2)
1080: MIPS_SYS(sys_dup2 , 2)
1081: MIPS_SYS(sys_getppid , 0)
1082: MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1083: MIPS_SYS(sys_setsid , 0)
1084: MIPS_SYS(sys_sigaction , 3)
1085: MIPS_SYS(sys_sgetmask , 0)
1086: MIPS_SYS(sys_ssetmask , 1)
1087: MIPS_SYS(sys_setreuid , 2) /* 4070 */
1088: MIPS_SYS(sys_setregid , 2)
1089: MIPS_SYS(sys_sigsuspend , 0)
1090: MIPS_SYS(sys_sigpending , 1)
1091: MIPS_SYS(sys_sethostname , 2)
1092: MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1093: MIPS_SYS(sys_getrlimit , 2)
1094: MIPS_SYS(sys_getrusage , 2)
1095: MIPS_SYS(sys_gettimeofday, 2)
1096: MIPS_SYS(sys_settimeofday, 2)
1097: MIPS_SYS(sys_getgroups , 2) /* 4080 */
1098: MIPS_SYS(sys_setgroups , 2)
1099: MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1100: MIPS_SYS(sys_symlink , 2)
1101: MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1102: MIPS_SYS(sys_readlink , 3) /* 4085 */
1103: MIPS_SYS(sys_uselib , 1)
1104: MIPS_SYS(sys_swapon , 2)
1105: MIPS_SYS(sys_reboot , 3)
1106: MIPS_SYS(old_readdir , 3)
1107: MIPS_SYS(old_mmap , 6) /* 4090 */
1108: MIPS_SYS(sys_munmap , 2)
1109: MIPS_SYS(sys_truncate , 2)
1110: MIPS_SYS(sys_ftruncate , 2)
1111: MIPS_SYS(sys_fchmod , 2)
1112: MIPS_SYS(sys_fchown , 3) /* 4095 */
1113: MIPS_SYS(sys_getpriority , 2)
1114: MIPS_SYS(sys_setpriority , 3)
1115: MIPS_SYS(sys_ni_syscall , 0)
1116: MIPS_SYS(sys_statfs , 2)
1117: MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1118: MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1119: MIPS_SYS(sys_socketcall , 2)
1120: MIPS_SYS(sys_syslog , 3)
1121: MIPS_SYS(sys_setitimer , 3)
1122: MIPS_SYS(sys_getitimer , 2) /* 4105 */
1123: MIPS_SYS(sys_newstat , 2)
1124: MIPS_SYS(sys_newlstat , 2)
1125: MIPS_SYS(sys_newfstat , 2)
1126: MIPS_SYS(sys_uname , 1)
1127: MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1128: MIPS_SYS(sys_vhangup , 0)
1129: MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1130: MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1131: MIPS_SYS(sys_wait4 , 4)
1132: MIPS_SYS(sys_swapoff , 1) /* 4115 */
1133: MIPS_SYS(sys_sysinfo , 1)
1134: MIPS_SYS(sys_ipc , 6)
1135: MIPS_SYS(sys_fsync , 1)
1136: MIPS_SYS(sys_sigreturn , 0)
1137: MIPS_SYS(sys_clone , 0) /* 4120 */
1138: MIPS_SYS(sys_setdomainname, 2)
1139: MIPS_SYS(sys_newuname , 1)
1140: MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1141: MIPS_SYS(sys_adjtimex , 1)
1142: MIPS_SYS(sys_mprotect , 3) /* 4125 */
1143: MIPS_SYS(sys_sigprocmask , 3)
1144: MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1145: MIPS_SYS(sys_init_module , 5)
1146: MIPS_SYS(sys_delete_module, 1)
1147: MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1148: MIPS_SYS(sys_quotactl , 0)
1149: MIPS_SYS(sys_getpgid , 1)
1150: MIPS_SYS(sys_fchdir , 1)
1151: MIPS_SYS(sys_bdflush , 2)
1152: MIPS_SYS(sys_sysfs , 3) /* 4135 */
1153: MIPS_SYS(sys_personality , 1)
1154: MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1155: MIPS_SYS(sys_setfsuid , 1)
1156: MIPS_SYS(sys_setfsgid , 1)
1157: MIPS_SYS(sys_llseek , 5) /* 4140 */
1158: MIPS_SYS(sys_getdents , 3)
1159: MIPS_SYS(sys_select , 5)
1160: MIPS_SYS(sys_flock , 2)
1161: MIPS_SYS(sys_msync , 3)
1162: MIPS_SYS(sys_readv , 3) /* 4145 */
1163: MIPS_SYS(sys_writev , 3)
1164: MIPS_SYS(sys_cacheflush , 3)
1165: MIPS_SYS(sys_cachectl , 3)
1166: MIPS_SYS(sys_sysmips , 4)
1167: MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1168: MIPS_SYS(sys_getsid , 1)
1169: MIPS_SYS(sys_fdatasync , 0)
1170: MIPS_SYS(sys_sysctl , 1)
1171: MIPS_SYS(sys_mlock , 2)
1172: MIPS_SYS(sys_munlock , 2) /* 4155 */
1173: MIPS_SYS(sys_mlockall , 1)
1174: MIPS_SYS(sys_munlockall , 0)
1175: MIPS_SYS(sys_sched_setparam, 2)
1176: MIPS_SYS(sys_sched_getparam, 2)
1177: MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1178: MIPS_SYS(sys_sched_getscheduler, 1)
1179: MIPS_SYS(sys_sched_yield , 0)
1180: MIPS_SYS(sys_sched_get_priority_max, 1)
1181: MIPS_SYS(sys_sched_get_priority_min, 1)
1182: MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1183: MIPS_SYS(sys_nanosleep, 2)
1184: MIPS_SYS(sys_mremap , 4)
1185: MIPS_SYS(sys_accept , 3)
1186: MIPS_SYS(sys_bind , 3)
1187: MIPS_SYS(sys_connect , 3) /* 4170 */
1188: MIPS_SYS(sys_getpeername , 3)
1189: MIPS_SYS(sys_getsockname , 3)
1190: MIPS_SYS(sys_getsockopt , 5)
1191: MIPS_SYS(sys_listen , 2)
1192: MIPS_SYS(sys_recv , 4) /* 4175 */
1193: MIPS_SYS(sys_recvfrom , 6)
1194: MIPS_SYS(sys_recvmsg , 3)
1195: MIPS_SYS(sys_send , 4)
1196: MIPS_SYS(sys_sendmsg , 3)
1197: MIPS_SYS(sys_sendto , 6) /* 4180 */
1198: MIPS_SYS(sys_setsockopt , 5)
1199: MIPS_SYS(sys_shutdown , 2)
1200: MIPS_SYS(sys_socket , 3)
1201: MIPS_SYS(sys_socketpair , 4)
1202: MIPS_SYS(sys_setresuid , 3) /* 4185 */
1203: MIPS_SYS(sys_getresuid , 3)
1204: MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1205: MIPS_SYS(sys_poll , 3)
1206: MIPS_SYS(sys_nfsservctl , 3)
1207: MIPS_SYS(sys_setresgid , 3) /* 4190 */
1208: MIPS_SYS(sys_getresgid , 3)
1209: MIPS_SYS(sys_prctl , 5)
1210: MIPS_SYS(sys_rt_sigreturn, 0)
1211: MIPS_SYS(sys_rt_sigaction, 4)
1212: MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1213: MIPS_SYS(sys_rt_sigpending, 2)
1214: MIPS_SYS(sys_rt_sigtimedwait, 4)
1215: MIPS_SYS(sys_rt_sigqueueinfo, 3)
1216: MIPS_SYS(sys_rt_sigsuspend, 0)
1217: MIPS_SYS(sys_pread64 , 6) /* 4200 */
1218: MIPS_SYS(sys_pwrite64 , 6)
1219: MIPS_SYS(sys_chown , 3)
1220: MIPS_SYS(sys_getcwd , 2)
1221: MIPS_SYS(sys_capget , 2)
1222: MIPS_SYS(sys_capset , 2) /* 4205 */
1223: MIPS_SYS(sys_sigaltstack , 0)
1224: MIPS_SYS(sys_sendfile , 4)
1225: MIPS_SYS(sys_ni_syscall , 0)
1226: MIPS_SYS(sys_ni_syscall , 0)
1227: MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1228: MIPS_SYS(sys_truncate64 , 4)
1229: MIPS_SYS(sys_ftruncate64 , 4)
1230: MIPS_SYS(sys_stat64 , 2)
1231: MIPS_SYS(sys_lstat64 , 2)
1232: MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1233: MIPS_SYS(sys_pivot_root , 2)
1234: MIPS_SYS(sys_mincore , 3)
1235: MIPS_SYS(sys_madvise , 3)
1236: MIPS_SYS(sys_getdents64 , 3)
1237: MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1238: MIPS_SYS(sys_ni_syscall , 0)
1239: MIPS_SYS(sys_gettid , 0)
1240: MIPS_SYS(sys_readahead , 5)
1241: MIPS_SYS(sys_setxattr , 5)
1242: MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1243: MIPS_SYS(sys_fsetxattr , 5)
1244: MIPS_SYS(sys_getxattr , 4)
1245: MIPS_SYS(sys_lgetxattr , 4)
1246: MIPS_SYS(sys_fgetxattr , 4)
1247: MIPS_SYS(sys_listxattr , 3) /* 4230 */
1248: MIPS_SYS(sys_llistxattr , 3)
1249: MIPS_SYS(sys_flistxattr , 3)
1250: MIPS_SYS(sys_removexattr , 2)
1251: MIPS_SYS(sys_lremovexattr, 2)
1252: MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1253: MIPS_SYS(sys_tkill , 2)
1254: MIPS_SYS(sys_sendfile64 , 5)
1255: MIPS_SYS(sys_futex , 2)
1256: MIPS_SYS(sys_sched_setaffinity, 3)
1257: MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1258: MIPS_SYS(sys_io_setup , 2)
1259: MIPS_SYS(sys_io_destroy , 1)
1260: MIPS_SYS(sys_io_getevents, 5)
1261: MIPS_SYS(sys_io_submit , 3)
1262: MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1263: MIPS_SYS(sys_exit_group , 1)
1264: MIPS_SYS(sys_lookup_dcookie, 3)
1265: MIPS_SYS(sys_epoll_create, 1)
1266: MIPS_SYS(sys_epoll_ctl , 4)
1267: MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1268: MIPS_SYS(sys_remap_file_pages, 5)
1269: MIPS_SYS(sys_set_tid_address, 1)
1270: MIPS_SYS(sys_restart_syscall, 0)
1271: MIPS_SYS(sys_fadvise64_64, 7)
1272: MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1273: MIPS_SYS(sys_fstatfs64 , 2)
1274: MIPS_SYS(sys_timer_create, 3)
1275: MIPS_SYS(sys_timer_settime, 4)
1276: MIPS_SYS(sys_timer_gettime, 2)
1277: MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1278: MIPS_SYS(sys_timer_delete, 1)
1279: MIPS_SYS(sys_clock_settime, 2)
1280: MIPS_SYS(sys_clock_gettime, 2)
1281: MIPS_SYS(sys_clock_getres, 2)
1282: MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1283: MIPS_SYS(sys_tgkill , 3)
1284: MIPS_SYS(sys_utimes , 2)
1285: MIPS_SYS(sys_mbind , 4)
1286: MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1287: MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1288: MIPS_SYS(sys_mq_open , 4)
1289: MIPS_SYS(sys_mq_unlink , 1)
1290: MIPS_SYS(sys_mq_timedsend, 5)
1291: MIPS_SYS(sys_mq_timedreceive, 5)
1292: MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1293: MIPS_SYS(sys_mq_getsetattr, 3)
1294: MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1295: MIPS_SYS(sys_waitid , 4)
1296: MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1297: MIPS_SYS(sys_add_key , 5)
1298: MIPS_SYS(sys_request_key , 4)
1299: MIPS_SYS(sys_keyctl , 5)
1300: };
1301:
1302: #undef MIPS_SYS
1303:
1304: void cpu_loop(CPUMIPSState *env)
1305: {
1306: target_siginfo_t info;
1307: int trapnr, ret, nb_args;
1308: unsigned int syscall_num;
1309: target_ulong arg5, arg6, sp_reg;
1310:
1311: for(;;) {
1312: trapnr = cpu_mips_exec(env);
1313: switch(trapnr) {
1314: case EXCP_SYSCALL:
1315: {
1316: syscall_num = env->gpr[2] - 4000;
1.1.1.4 root 1317: env->PC += 4;
1.1.1.2 root 1318: if (syscall_num >= sizeof(mips_syscall_args)) {
1319: ret = -ENOSYS;
1320: } else {
1321: nb_args = mips_syscall_args[syscall_num];
1322: if (nb_args >= 5) {
1323: sp_reg = env->gpr[29];
1324: /* these arguments are taken from the stack */
1.1.1.3 root 1325: arg5 = tgetl(sp_reg + 16);
1.1.1.2 root 1326: if (nb_args >= 6) {
1.1.1.3 root 1327: arg6 = tgetl(sp_reg + 20);
1.1.1.2 root 1328: } else {
1329: arg6 = 0;
1330: }
1331: } else {
1332: arg5 = 0;
1333: arg6 = 0;
1334: }
1335: ret = do_syscall(env,
1336: env->gpr[2],
1337: env->gpr[4],
1338: env->gpr[5],
1339: env->gpr[6],
1340: env->gpr[7],
1341: arg5,
1342: arg6);
1343: }
1344: if ((unsigned int)ret >= (unsigned int)(-1133)) {
1345: env->gpr[7] = 1; /* error flag */
1346: ret = -ret;
1347: env->gpr[0] = ret;
1348: env->gpr[2] = ret;
1349: } else {
1350: env->gpr[7] = 0; /* error flag */
1351: env->gpr[2] = ret;
1352: }
1353: }
1354: break;
1.1.1.5 ! root 1355: case EXCP_TLBL:
! 1356: case EXCP_TLBS:
1.1.1.2 root 1357: case EXCP_CpU:
1358: case EXCP_RI:
1.1.1.4 root 1359: info.si_signo = TARGET_SIGILL;
1360: info.si_errno = 0;
1361: info.si_code = 0;
1362: queue_signal(info.si_signo, &info);
1363: break;
1364: case EXCP_INTERRUPT:
1365: /* just indicate that signals should be handled asap */
1.1.1.2 root 1366: break;
1.1.1.5 ! root 1367: case EXCP_DEBUG:
! 1368: {
! 1369: int sig;
! 1370:
! 1371: sig = gdb_handlesig (env, TARGET_SIGTRAP);
! 1372: if (sig)
! 1373: {
! 1374: info.si_signo = sig;
! 1375: info.si_errno = 0;
! 1376: info.si_code = TARGET_TRAP_BRKPT;
! 1377: queue_signal(info.si_signo, &info);
! 1378: }
! 1379: }
! 1380: break;
1.1.1.2 root 1381: default:
1382: // error:
1383: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1384: trapnr);
1385: cpu_dump_state(env, stderr, fprintf, 0);
1386: abort();
1387: }
1388: process_pending_signals(env);
1389: }
1390: }
1391: #endif
1392:
1.1.1.3 root 1393: #ifdef TARGET_SH4
1394: void cpu_loop (CPUState *env)
1395: {
1396: int trapnr, ret;
1.1.1.4 root 1397: target_siginfo_t info;
1.1.1.3 root 1398:
1399: while (1) {
1400: trapnr = cpu_sh4_exec (env);
1401:
1402: switch (trapnr) {
1403: case 0x160:
1404: ret = do_syscall(env,
1.1.1.4 root 1405: env->gregs[3],
1406: env->gregs[4],
1407: env->gregs[5],
1408: env->gregs[6],
1409: env->gregs[7],
1410: env->gregs[0],
1.1.1.3 root 1411: 0);
1.1.1.4 root 1412: env->gregs[0] = ret;
1.1.1.3 root 1413: env->pc += 2;
1414: break;
1.1.1.4 root 1415: case EXCP_DEBUG:
1416: {
1417: int sig;
1418:
1419: sig = gdb_handlesig (env, TARGET_SIGTRAP);
1420: if (sig)
1421: {
1422: info.si_signo = sig;
1423: info.si_errno = 0;
1424: info.si_code = TARGET_TRAP_BRKPT;
1425: queue_signal(info.si_signo, &info);
1426: }
1427: }
1428: break;
1.1.1.3 root 1429: default:
1430: printf ("Unhandled trap: 0x%x\n", trapnr);
1431: cpu_dump_state(env, stderr, fprintf, 0);
1432: exit (1);
1433: }
1434: process_pending_signals (env);
1435: }
1436: }
1437: #endif
1438:
1.1.1.5 ! root 1439: #ifdef TARGET_M68K
! 1440:
! 1441: void cpu_loop(CPUM68KState *env)
! 1442: {
! 1443: int trapnr;
! 1444: unsigned int n;
! 1445: target_siginfo_t info;
! 1446: TaskState *ts = env->opaque;
! 1447:
! 1448: for(;;) {
! 1449: trapnr = cpu_m68k_exec(env);
! 1450: switch(trapnr) {
! 1451: case EXCP_ILLEGAL:
! 1452: {
! 1453: if (ts->sim_syscalls) {
! 1454: uint16_t nr;
! 1455: nr = lduw(env->pc + 2);
! 1456: env->pc += 4;
! 1457: do_m68k_simcall(env, nr);
! 1458: } else {
! 1459: goto do_sigill;
! 1460: }
! 1461: }
! 1462: break;
! 1463: case EXCP_HALTED:
! 1464: /* Semihosing syscall. */
! 1465: env->pc += 2;
! 1466: do_m68k_semihosting(env, env->dregs[0]);
! 1467: break;
! 1468: case EXCP_LINEA:
! 1469: case EXCP_LINEF:
! 1470: case EXCP_UNSUPPORTED:
! 1471: do_sigill:
! 1472: info.si_signo = SIGILL;
! 1473: info.si_errno = 0;
! 1474: info.si_code = TARGET_ILL_ILLOPN;
! 1475: info._sifields._sigfault._addr = env->pc;
! 1476: queue_signal(info.si_signo, &info);
! 1477: break;
! 1478: case EXCP_TRAP0:
! 1479: {
! 1480: ts->sim_syscalls = 0;
! 1481: n = env->dregs[0];
! 1482: env->pc += 2;
! 1483: env->dregs[0] = do_syscall(env,
! 1484: n,
! 1485: env->dregs[1],
! 1486: env->dregs[2],
! 1487: env->dregs[3],
! 1488: env->dregs[4],
! 1489: env->dregs[5],
! 1490: env->dregs[6]);
! 1491: }
! 1492: break;
! 1493: case EXCP_INTERRUPT:
! 1494: /* just indicate that signals should be handled asap */
! 1495: break;
! 1496: case EXCP_ACCESS:
! 1497: {
! 1498: info.si_signo = SIGSEGV;
! 1499: info.si_errno = 0;
! 1500: /* XXX: check env->error_code */
! 1501: info.si_code = TARGET_SEGV_MAPERR;
! 1502: info._sifields._sigfault._addr = env->mmu.ar;
! 1503: queue_signal(info.si_signo, &info);
! 1504: }
! 1505: break;
! 1506: case EXCP_DEBUG:
! 1507: {
! 1508: int sig;
! 1509:
! 1510: sig = gdb_handlesig (env, TARGET_SIGTRAP);
! 1511: if (sig)
! 1512: {
! 1513: info.si_signo = sig;
! 1514: info.si_errno = 0;
! 1515: info.si_code = TARGET_TRAP_BRKPT;
! 1516: queue_signal(info.si_signo, &info);
! 1517: }
! 1518: }
! 1519: break;
! 1520: default:
! 1521: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
! 1522: trapnr);
! 1523: cpu_dump_state(env, stderr, fprintf, 0);
! 1524: abort();
! 1525: }
! 1526: process_pending_signals(env);
! 1527: }
! 1528: }
! 1529: #endif /* TARGET_M68K */
! 1530:
1.1 root 1531: void usage(void)
1532: {
1.1.1.5 ! root 1533: printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
1.1 root 1534: "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n"
1535: "Linux CPU emulator (compiled for %s emulation)\n"
1536: "\n"
1537: "-h print this help\n"
1.1.1.2 root 1538: "-g port wait gdb connection to port\n"
1.1 root 1539: "-L path set the elf interpreter prefix (default=%s)\n"
1540: "-s size set the stack size in bytes (default=%ld)\n"
1541: "\n"
1542: "debug options:\n"
1543: #ifdef USE_CODE_COPY
1544: "-no-code-copy disable code copy acceleration\n"
1545: #endif
1546: "-d options activate log (logfile=%s)\n"
1547: "-p pagesize set the host page size to 'pagesize'\n",
1548: TARGET_ARCH,
1549: interp_prefix,
1550: x86_stack_size,
1551: DEBUG_LOGFILE);
1552: _exit(1);
1553: }
1554:
1555: /* XXX: currently only used for async signals (see signal.c) */
1556: CPUState *global_env;
1557:
1558: /* used to free thread contexts */
1559: TaskState *first_task_state;
1560:
1561: int main(int argc, char **argv)
1562: {
1563: const char *filename;
1564: struct target_pt_regs regs1, *regs = ®s1;
1565: struct image_info info1, *info = &info1;
1566: TaskState ts1, *ts = &ts1;
1567: CPUState *env;
1568: int optind;
1569: const char *r;
1.1.1.2 root 1570: int gdbstub_port = 0;
1.1 root 1571:
1572: if (argc <= 1)
1573: usage();
1574:
1575: /* init debug */
1576: cpu_set_log_filename(DEBUG_LOGFILE);
1577:
1578: optind = 1;
1579: for(;;) {
1580: if (optind >= argc)
1581: break;
1582: r = argv[optind];
1583: if (r[0] != '-')
1584: break;
1585: optind++;
1586: r++;
1587: if (!strcmp(r, "-")) {
1588: break;
1589: } else if (!strcmp(r, "d")) {
1590: int mask;
1591: CPULogItem *item;
1592:
1593: if (optind >= argc)
1594: break;
1595:
1596: r = argv[optind++];
1597: mask = cpu_str_to_log_mask(r);
1598: if (!mask) {
1599: printf("Log items (comma separated):\n");
1600: for(item = cpu_log_items; item->mask != 0; item++) {
1601: printf("%-10s %s\n", item->name, item->help);
1602: }
1603: exit(1);
1604: }
1605: cpu_set_log(mask);
1606: } else if (!strcmp(r, "s")) {
1607: r = argv[optind++];
1608: x86_stack_size = strtol(r, (char **)&r, 0);
1609: if (x86_stack_size <= 0)
1610: usage();
1611: if (*r == 'M')
1612: x86_stack_size *= 1024 * 1024;
1613: else if (*r == 'k' || *r == 'K')
1614: x86_stack_size *= 1024;
1615: } else if (!strcmp(r, "L")) {
1616: interp_prefix = argv[optind++];
1617: } else if (!strcmp(r, "p")) {
1618: qemu_host_page_size = atoi(argv[optind++]);
1619: if (qemu_host_page_size == 0 ||
1620: (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
1621: fprintf(stderr, "page size must be a power of two\n");
1622: exit(1);
1623: }
1624: } else if (!strcmp(r, "g")) {
1.1.1.2 root 1625: gdbstub_port = atoi(argv[optind++]);
1.1.1.4 root 1626: } else if (!strcmp(r, "r")) {
1627: qemu_uname_release = argv[optind++];
1.1 root 1628: } else
1629: #ifdef USE_CODE_COPY
1630: if (!strcmp(r, "no-code-copy")) {
1631: code_copy_enabled = 0;
1632: } else
1633: #endif
1634: {
1635: usage();
1636: }
1637: }
1638: if (optind >= argc)
1639: usage();
1640: filename = argv[optind];
1641:
1642: /* Zero out regs */
1643: memset(regs, 0, sizeof(struct target_pt_regs));
1644:
1645: /* Zero out image_info */
1646: memset(info, 0, sizeof(struct image_info));
1647:
1648: /* Scan interp_prefix dir for replacement files. */
1649: init_paths(interp_prefix);
1650:
1651: /* NOTE: we need to init the CPU at this stage to get
1652: qemu_host_page_size */
1653: env = cpu_init();
1.1.1.2 root 1654: global_env = env;
1.1 root 1655:
1.1.1.4 root 1656: if (loader_exec(filename, argv+optind, environ, regs, info) != 0) {
1.1 root 1657: printf("Error loading %s\n", filename);
1658: _exit(1);
1659: }
1660:
1661: if (loglevel) {
1662: page_dump(logfile);
1663:
1664: fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
1665: fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
1666: fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
1.1.1.4 root 1667: fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
1.1 root 1668: fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
1669: fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
1670: fprintf(logfile, "brk 0x%08lx\n" , info->brk);
1671: fprintf(logfile, "entry 0x%08lx\n" , info->entry);
1672: }
1673:
1.1.1.3 root 1674: target_set_brk(info->brk);
1.1 root 1675: syscall_init();
1676: signal_init();
1677:
1678: /* build Task State */
1679: memset(ts, 0, sizeof(TaskState));
1680: env->opaque = ts;
1681: ts->used = 1;
1.1.1.4 root 1682: ts->info = info;
1.1 root 1683: env->user_mode_only = 1;
1684:
1685: #if defined(TARGET_I386)
1686: cpu_x86_set_cpl(env, 3);
1687:
1688: env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1689: env->hflags |= HF_PE_MASK;
1690: if (env->cpuid_features & CPUID_SSE) {
1691: env->cr[4] |= CR4_OSFXSR_MASK;
1692: env->hflags |= HF_OSFXSR_MASK;
1693: }
1694:
1695: /* flags setup : we activate the IRQs by default as in user mode */
1696: env->eflags |= IF_MASK;
1697:
1698: /* linux register setup */
1699: env->regs[R_EAX] = regs->eax;
1700: env->regs[R_EBX] = regs->ebx;
1701: env->regs[R_ECX] = regs->ecx;
1702: env->regs[R_EDX] = regs->edx;
1703: env->regs[R_ESI] = regs->esi;
1704: env->regs[R_EDI] = regs->edi;
1705: env->regs[R_EBP] = regs->ebp;
1706: env->regs[R_ESP] = regs->esp;
1707: env->eip = regs->eip;
1708:
1709: /* linux interrupt setup */
1.1.1.3 root 1710: env->idt.base = h2g(idt_table);
1.1 root 1711: env->idt.limit = sizeof(idt_table) - 1;
1712: set_idt(0, 0);
1713: set_idt(1, 0);
1714: set_idt(2, 0);
1715: set_idt(3, 3);
1716: set_idt(4, 3);
1717: set_idt(5, 3);
1718: set_idt(6, 0);
1719: set_idt(7, 0);
1720: set_idt(8, 0);
1721: set_idt(9, 0);
1722: set_idt(10, 0);
1723: set_idt(11, 0);
1724: set_idt(12, 0);
1725: set_idt(13, 0);
1726: set_idt(14, 0);
1727: set_idt(15, 0);
1728: set_idt(16, 0);
1729: set_idt(17, 0);
1730: set_idt(18, 0);
1731: set_idt(19, 0);
1732: set_idt(0x80, 3);
1733:
1734: /* linux segment setup */
1.1.1.3 root 1735: env->gdt.base = h2g(gdt_table);
1.1 root 1736: env->gdt.limit = sizeof(gdt_table) - 1;
1737: write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
1738: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1739: (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
1740: write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
1741: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1742: (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
1743: cpu_x86_load_seg(env, R_CS, __USER_CS);
1744: cpu_x86_load_seg(env, R_DS, __USER_DS);
1745: cpu_x86_load_seg(env, R_ES, __USER_DS);
1746: cpu_x86_load_seg(env, R_SS, __USER_DS);
1747: cpu_x86_load_seg(env, R_FS, __USER_DS);
1748: cpu_x86_load_seg(env, R_GS, __USER_DS);
1749:
1750: #elif defined(TARGET_ARM)
1751: {
1752: int i;
1.1.1.3 root 1753: cpu_arm_set_model(env, ARM_CPUID_ARM1026);
1.1.1.2 root 1754: cpsr_write(env, regs->uregs[16], 0xffffffff);
1.1 root 1755: for(i = 0; i < 16; i++) {
1756: env->regs[i] = regs->uregs[i];
1757: }
1758: ts->stack_base = info->start_stack;
1759: ts->heap_base = info->brk;
1760: /* This will be filled in on the first SYS_HEAPINFO call. */
1761: ts->heap_limit = 0;
1762: }
1763: #elif defined(TARGET_SPARC)
1764: {
1765: int i;
1766: env->pc = regs->pc;
1767: env->npc = regs->npc;
1768: env->y = regs->y;
1769: for(i = 0; i < 8; i++)
1770: env->gregs[i] = regs->u_regs[i];
1771: for(i = 0; i < 8; i++)
1772: env->regwptr[i] = regs->u_regs[i + 8];
1773: }
1774: #elif defined(TARGET_PPC)
1775: {
1776: ppc_def_t *def;
1777: int i;
1778:
1779: /* Choose and initialise CPU */
1780: /* XXX: CPU model (or PVR) should be provided on command line */
1781: // ppc_find_by_name("750gx", &def);
1782: // ppc_find_by_name("750fx", &def);
1783: // ppc_find_by_name("750p", &def);
1784: ppc_find_by_name("750", &def);
1785: // ppc_find_by_name("G3", &def);
1786: // ppc_find_by_name("604r", &def);
1787: // ppc_find_by_name("604e", &def);
1788: // ppc_find_by_name("604", &def);
1789: if (def == NULL) {
1.1.1.2 root 1790: cpu_abort(env,
1.1 root 1791: "Unable to find PowerPC CPU definition\n");
1792: }
1.1.1.2 root 1793: cpu_ppc_register(env, def);
1.1 root 1794:
1795: for (i = 0; i < 32; i++) {
1796: if (i != 12 && i != 6 && i != 13)
1797: env->msr[i] = (regs->msr >> i) & 1;
1798: }
1799: env->nip = regs->nip;
1800: for(i = 0; i < 32; i++) {
1801: env->gpr[i] = regs->gpr[i];
1802: }
1803: }
1.1.1.5 ! root 1804: #elif defined(TARGET_M68K)
! 1805: {
! 1806: m68k_def_t *def;
! 1807: def = m68k_find_by_name("cfv4e");
! 1808: if (def == NULL) {
! 1809: cpu_abort(cpu_single_env,
! 1810: "Unable to find m68k CPU definition\n");
! 1811: }
! 1812: cpu_m68k_register(cpu_single_env, def);
! 1813: env->pc = regs->pc;
! 1814: env->dregs[0] = regs->d0;
! 1815: env->dregs[1] = regs->d1;
! 1816: env->dregs[2] = regs->d2;
! 1817: env->dregs[3] = regs->d3;
! 1818: env->dregs[4] = regs->d4;
! 1819: env->dregs[5] = regs->d5;
! 1820: env->dregs[6] = regs->d6;
! 1821: env->dregs[7] = regs->d7;
! 1822: env->aregs[0] = regs->a0;
! 1823: env->aregs[1] = regs->a1;
! 1824: env->aregs[2] = regs->a2;
! 1825: env->aregs[3] = regs->a3;
! 1826: env->aregs[4] = regs->a4;
! 1827: env->aregs[5] = regs->a5;
! 1828: env->aregs[6] = regs->a6;
! 1829: env->aregs[7] = regs->usp;
! 1830: env->sr = regs->sr;
! 1831: ts->sim_syscalls = 1;
! 1832: }
1.1.1.2 root 1833: #elif defined(TARGET_MIPS)
1834: {
1835: int i;
1836:
1837: for(i = 0; i < 32; i++) {
1838: env->gpr[i] = regs->regs[i];
1839: }
1840: env->PC = regs->cp0_epc;
1.1.1.4 root 1841: #ifdef MIPS_USES_FPU
1842: env->CP0_Status |= (1 << CP0St_CU1);
1843: #endif
1.1.1.2 root 1844: }
1.1.1.3 root 1845: #elif defined(TARGET_SH4)
1846: {
1847: int i;
1848:
1849: for(i = 0; i < 16; i++) {
1850: env->gregs[i] = regs->regs[i];
1851: }
1852: env->pc = regs->pc;
1853: }
1.1 root 1854: #else
1855: #error unsupported target CPU
1856: #endif
1857:
1.1.1.2 root 1858: if (gdbstub_port) {
1859: gdbserver_start (gdbstub_port);
1.1 root 1860: gdb_handlesig(env, 0);
1861: }
1862: cpu_loop(env);
1863: /* never exits */
1864: return 0;
1865: }
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