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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:
125: uint64_t cpu_get_tsc(CPUX86State *env)
126: {
127: return cpu_get_real_ticks();
128: }
129:
130: static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
131: int flags)
132: {
133: unsigned int e1, e2;
1.1.1.3 root 134: uint32_t *p;
1.1 root 135: e1 = (addr << 16) | (limit & 0xffff);
136: e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
137: e2 |= flags;
1.1.1.3 root 138: p = ptr;
139: p[0] = tswapl(e1);
140: p[1] = tswapl(e2);
1.1 root 141: }
142:
143: static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
144: unsigned long addr, unsigned int sel)
145: {
146: unsigned int e1, e2;
1.1.1.3 root 147: uint32_t *p;
1.1 root 148: e1 = (addr & 0xffff) | (sel << 16);
149: e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
1.1.1.3 root 150: p = ptr;
151: p[0] = tswapl(e1);
152: p[1] = tswapl(e2);
1.1 root 153: }
154:
155: uint64_t gdt_table[6];
156: uint64_t idt_table[256];
157:
158: /* only dpl matters as we do only user space emulation */
159: static void set_idt(int n, unsigned int dpl)
160: {
161: set_gate(idt_table + n, 0, dpl, 0, 0);
162: }
163:
164: void cpu_loop(CPUX86State *env)
165: {
166: int trapnr;
167: target_ulong pc;
168: target_siginfo_t info;
169:
170: for(;;) {
171: trapnr = cpu_x86_exec(env);
172: switch(trapnr) {
173: case 0x80:
174: /* linux syscall */
175: env->regs[R_EAX] = do_syscall(env,
176: env->regs[R_EAX],
177: env->regs[R_EBX],
178: env->regs[R_ECX],
179: env->regs[R_EDX],
180: env->regs[R_ESI],
181: env->regs[R_EDI],
182: env->regs[R_EBP]);
183: break;
184: case EXCP0B_NOSEG:
185: case EXCP0C_STACK:
186: info.si_signo = SIGBUS;
187: info.si_errno = 0;
188: info.si_code = TARGET_SI_KERNEL;
189: info._sifields._sigfault._addr = 0;
190: queue_signal(info.si_signo, &info);
191: break;
192: case EXCP0D_GPF:
193: if (env->eflags & VM_MASK) {
194: handle_vm86_fault(env);
195: } else {
196: info.si_signo = SIGSEGV;
197: info.si_errno = 0;
198: info.si_code = TARGET_SI_KERNEL;
199: info._sifields._sigfault._addr = 0;
200: queue_signal(info.si_signo, &info);
201: }
202: break;
203: case EXCP0E_PAGE:
204: info.si_signo = SIGSEGV;
205: info.si_errno = 0;
206: if (!(env->error_code & 1))
207: info.si_code = TARGET_SEGV_MAPERR;
208: else
209: info.si_code = TARGET_SEGV_ACCERR;
210: info._sifields._sigfault._addr = env->cr[2];
211: queue_signal(info.si_signo, &info);
212: break;
213: case EXCP00_DIVZ:
214: if (env->eflags & VM_MASK) {
215: handle_vm86_trap(env, trapnr);
216: } else {
217: /* division by zero */
218: info.si_signo = SIGFPE;
219: info.si_errno = 0;
220: info.si_code = TARGET_FPE_INTDIV;
221: info._sifields._sigfault._addr = env->eip;
222: queue_signal(info.si_signo, &info);
223: }
224: break;
225: case EXCP01_SSTP:
226: case EXCP03_INT3:
227: if (env->eflags & VM_MASK) {
228: handle_vm86_trap(env, trapnr);
229: } else {
230: info.si_signo = SIGTRAP;
231: info.si_errno = 0;
232: if (trapnr == EXCP01_SSTP) {
233: info.si_code = TARGET_TRAP_BRKPT;
234: info._sifields._sigfault._addr = env->eip;
235: } else {
236: info.si_code = TARGET_SI_KERNEL;
237: info._sifields._sigfault._addr = 0;
238: }
239: queue_signal(info.si_signo, &info);
240: }
241: break;
242: case EXCP04_INTO:
243: case EXCP05_BOUND:
244: if (env->eflags & VM_MASK) {
245: handle_vm86_trap(env, trapnr);
246: } else {
247: info.si_signo = SIGSEGV;
248: info.si_errno = 0;
249: info.si_code = TARGET_SI_KERNEL;
250: info._sifields._sigfault._addr = 0;
251: queue_signal(info.si_signo, &info);
252: }
253: break;
254: case EXCP06_ILLOP:
255: info.si_signo = SIGILL;
256: info.si_errno = 0;
257: info.si_code = TARGET_ILL_ILLOPN;
258: info._sifields._sigfault._addr = env->eip;
259: queue_signal(info.si_signo, &info);
260: break;
261: case EXCP_INTERRUPT:
262: /* just indicate that signals should be handled asap */
263: break;
264: case EXCP_DEBUG:
265: {
266: int sig;
267:
268: sig = gdb_handlesig (env, TARGET_SIGTRAP);
269: if (sig)
270: {
271: info.si_signo = sig;
272: info.si_errno = 0;
273: info.si_code = TARGET_TRAP_BRKPT;
274: queue_signal(info.si_signo, &info);
275: }
276: }
277: break;
278: default:
279: pc = env->segs[R_CS].base + env->eip;
280: fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
281: (long)pc, trapnr);
282: abort();
283: }
284: process_pending_signals(env);
285: }
286: }
287: #endif
288:
289: #ifdef TARGET_ARM
290:
291: /* XXX: find a better solution */
292: extern void tb_invalidate_page_range(target_ulong start, target_ulong end);
293:
294: static void arm_cache_flush(target_ulong start, target_ulong last)
295: {
296: target_ulong addr, last1;
297:
298: if (last < start)
299: return;
300: addr = start;
301: for(;;) {
302: last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
303: if (last1 > last)
304: last1 = last;
305: tb_invalidate_page_range(addr, last1 + 1);
306: if (last1 == last)
307: break;
308: addr = last1 + 1;
309: }
310: }
311:
312: void cpu_loop(CPUARMState *env)
313: {
314: int trapnr;
315: unsigned int n, insn;
316: target_siginfo_t info;
1.1.1.2 root 317: uint32_t addr;
1.1 root 318:
319: for(;;) {
320: trapnr = cpu_arm_exec(env);
321: switch(trapnr) {
322: case EXCP_UDEF:
323: {
324: TaskState *ts = env->opaque;
325: uint32_t opcode;
326:
327: /* we handle the FPU emulation here, as Linux */
328: /* we get the opcode */
1.1.1.3 root 329: opcode = tget32(env->regs[15]);
1.1 root 330:
1.1.1.3 root 331: if (EmulateAll(opcode, &ts->fpa, env) == 0) {
1.1 root 332: info.si_signo = SIGILL;
333: info.si_errno = 0;
334: info.si_code = TARGET_ILL_ILLOPN;
335: info._sifields._sigfault._addr = env->regs[15];
336: queue_signal(info.si_signo, &info);
337: } else {
338: /* increment PC */
339: env->regs[15] += 4;
340: }
341: }
342: break;
343: case EXCP_SWI:
1.1.1.3 root 344: case EXCP_BKPT:
1.1 root 345: {
1.1.1.3 root 346: env->eabi = 1;
1.1 root 347: /* system call */
1.1.1.3 root 348: if (trapnr == EXCP_BKPT) {
349: if (env->thumb) {
350: insn = tget16(env->regs[15]);
351: n = insn & 0xff;
352: env->regs[15] += 2;
353: } else {
354: insn = tget32(env->regs[15]);
355: n = (insn & 0xf) | ((insn >> 4) & 0xff0);
356: env->regs[15] += 4;
357: }
1.1 root 358: } else {
1.1.1.3 root 359: if (env->thumb) {
360: insn = tget16(env->regs[15] - 2);
361: n = insn & 0xff;
362: } else {
363: insn = tget32(env->regs[15] - 4);
364: n = insn & 0xffffff;
365: }
1.1 root 366: }
367:
368: if (n == ARM_NR_cacheflush) {
369: arm_cache_flush(env->regs[0], env->regs[1]);
370: } else if (n == ARM_NR_semihosting
371: || n == ARM_NR_thumb_semihosting) {
372: env->regs[0] = do_arm_semihosting (env);
1.1.1.3 root 373: } else if (n == 0 || n >= ARM_SYSCALL_BASE
1.1 root 374: || (env->thumb && n == ARM_THUMB_SYSCALL)) {
375: /* linux syscall */
1.1.1.3 root 376: if (env->thumb || n == 0) {
1.1 root 377: n = env->regs[7];
378: } else {
379: n -= ARM_SYSCALL_BASE;
1.1.1.3 root 380: env->eabi = 0;
1.1 root 381: }
382: env->regs[0] = do_syscall(env,
383: n,
384: env->regs[0],
385: env->regs[1],
386: env->regs[2],
387: env->regs[3],
388: env->regs[4],
389: env->regs[5]);
390: } else {
391: goto error;
392: }
393: }
394: break;
395: case EXCP_INTERRUPT:
396: /* just indicate that signals should be handled asap */
397: break;
398: case EXCP_PREFETCH_ABORT:
1.1.1.2 root 399: addr = env->cp15.c6_data;
400: goto do_segv;
1.1 root 401: case EXCP_DATA_ABORT:
1.1.1.2 root 402: addr = env->cp15.c6_insn;
403: goto do_segv;
404: do_segv:
1.1 root 405: {
406: info.si_signo = SIGSEGV;
407: info.si_errno = 0;
408: /* XXX: check env->error_code */
409: info.si_code = TARGET_SEGV_MAPERR;
1.1.1.2 root 410: info._sifields._sigfault._addr = addr;
1.1 root 411: queue_signal(info.si_signo, &info);
412: }
413: break;
414: case EXCP_DEBUG:
415: {
416: int sig;
417:
418: sig = gdb_handlesig (env, TARGET_SIGTRAP);
419: if (sig)
420: {
421: info.si_signo = sig;
422: info.si_errno = 0;
423: info.si_code = TARGET_TRAP_BRKPT;
424: queue_signal(info.si_signo, &info);
425: }
426: }
427: break;
428: default:
429: error:
430: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
431: trapnr);
432: cpu_dump_state(env, stderr, fprintf, 0);
433: abort();
434: }
435: process_pending_signals(env);
436: }
437: }
438:
439: #endif
440:
441: #ifdef TARGET_SPARC
442:
443: //#define DEBUG_WIN
444:
445: /* WARNING: dealing with register windows _is_ complicated. More info
446: can be found at http://www.sics.se/~psm/sparcstack.html */
447: static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
448: {
449: index = (index + cwp * 16) & (16 * NWINDOWS - 1);
450: /* wrap handling : if cwp is on the last window, then we use the
451: registers 'after' the end */
452: if (index < 8 && env->cwp == (NWINDOWS - 1))
453: index += (16 * NWINDOWS);
454: return index;
455: }
456:
457: /* save the register window 'cwp1' */
458: static inline void save_window_offset(CPUSPARCState *env, int cwp1)
459: {
460: unsigned int i;
1.1.1.3 root 461: target_ulong sp_ptr;
1.1 root 462:
1.1.1.3 root 463: sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
1.1 root 464: #if defined(DEBUG_WIN)
465: printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
466: (int)sp_ptr, cwp1);
467: #endif
468: for(i = 0; i < 16; i++) {
1.1.1.3 root 469: tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
470: sp_ptr += sizeof(target_ulong);
1.1 root 471: }
472: }
473:
474: static void save_window(CPUSPARCState *env)
475: {
1.1.1.4 ! root 476: #ifndef TARGET_SPARC64
1.1 root 477: unsigned int new_wim;
478: new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
479: ((1LL << NWINDOWS) - 1);
480: save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
481: env->wim = new_wim;
1.1.1.4 ! root 482: #else
! 483: save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
! 484: env->cansave++;
! 485: env->canrestore--;
! 486: #endif
1.1 root 487: }
488:
489: static void restore_window(CPUSPARCState *env)
490: {
491: unsigned int new_wim, i, cwp1;
1.1.1.3 root 492: target_ulong sp_ptr;
1.1 root 493:
494: new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
495: ((1LL << NWINDOWS) - 1);
496:
497: /* restore the invalid window */
498: cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
1.1.1.3 root 499: sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
1.1 root 500: #if defined(DEBUG_WIN)
501: printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
502: (int)sp_ptr, cwp1);
503: #endif
504: for(i = 0; i < 16; i++) {
1.1.1.3 root 505: env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
506: sp_ptr += sizeof(target_ulong);
1.1 root 507: }
508: env->wim = new_wim;
1.1.1.4 ! root 509: #ifdef TARGET_SPARC64
! 510: env->canrestore++;
! 511: if (env->cleanwin < NWINDOWS - 1)
! 512: env->cleanwin++;
! 513: env->cansave--;
! 514: #endif
1.1 root 515: }
516:
517: static void flush_windows(CPUSPARCState *env)
518: {
519: int offset, cwp1;
520:
521: offset = 1;
522: for(;;) {
523: /* if restore would invoke restore_window(), then we can stop */
524: cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
525: if (env->wim & (1 << cwp1))
526: break;
527: save_window_offset(env, cwp1);
528: offset++;
529: }
530: /* set wim so that restore will reload the registers */
531: cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
532: env->wim = 1 << cwp1;
533: #if defined(DEBUG_WIN)
534: printf("flush_windows: nb=%d\n", offset - 1);
535: #endif
536: }
537:
538: void cpu_loop (CPUSPARCState *env)
539: {
540: int trapnr, ret;
541: target_siginfo_t info;
542:
543: while (1) {
544: trapnr = cpu_sparc_exec (env);
545:
546: switch (trapnr) {
1.1.1.4 ! root 547: #ifndef TARGET_SPARC64
1.1 root 548: case 0x88:
549: case 0x90:
1.1.1.4 ! root 550: #else
! 551: case 0x16d:
! 552: #endif
1.1 root 553: ret = do_syscall (env, env->gregs[1],
554: env->regwptr[0], env->regwptr[1],
555: env->regwptr[2], env->regwptr[3],
556: env->regwptr[4], env->regwptr[5]);
557: if ((unsigned int)ret >= (unsigned int)(-515)) {
558: env->psr |= PSR_CARRY;
559: ret = -ret;
560: } else {
561: env->psr &= ~PSR_CARRY;
562: }
563: env->regwptr[0] = ret;
564: /* next instruction */
565: env->pc = env->npc;
566: env->npc = env->npc + 4;
567: break;
568: case 0x83: /* flush windows */
569: flush_windows(env);
570: /* next instruction */
571: env->pc = env->npc;
572: env->npc = env->npc + 4;
573: break;
574: #ifndef TARGET_SPARC64
575: case TT_WIN_OVF: /* window overflow */
576: save_window(env);
577: break;
578: case TT_WIN_UNF: /* window underflow */
579: restore_window(env);
580: break;
581: case TT_TFAULT:
582: case TT_DFAULT:
583: {
584: info.si_signo = SIGSEGV;
585: info.si_errno = 0;
586: /* XXX: check env->error_code */
587: info.si_code = TARGET_SEGV_MAPERR;
588: info._sifields._sigfault._addr = env->mmuregs[4];
589: queue_signal(info.si_signo, &info);
590: }
591: break;
592: #else
1.1.1.4 ! root 593: case TT_SPILL: /* window overflow */
! 594: save_window(env);
! 595: break;
! 596: case TT_FILL: /* window underflow */
! 597: restore_window(env);
! 598: break;
1.1 root 599: // XXX
600: #endif
1.1.1.4 ! root 601: case EXCP_INTERRUPT:
! 602: /* just indicate that signals should be handled asap */
! 603: break;
1.1 root 604: case EXCP_DEBUG:
605: {
606: int sig;
607:
608: sig = gdb_handlesig (env, TARGET_SIGTRAP);
609: if (sig)
610: {
611: info.si_signo = sig;
612: info.si_errno = 0;
613: info.si_code = TARGET_TRAP_BRKPT;
614: queue_signal(info.si_signo, &info);
615: }
616: }
617: break;
618: default:
619: printf ("Unhandled trap: 0x%x\n", trapnr);
620: cpu_dump_state(env, stderr, fprintf, 0);
621: exit (1);
622: }
623: process_pending_signals (env);
624: }
625: }
626:
627: #endif
628:
629: #ifdef TARGET_PPC
630:
631: static inline uint64_t cpu_ppc_get_tb (CPUState *env)
632: {
633: /* TO FIX */
634: return 0;
635: }
636:
637: uint32_t cpu_ppc_load_tbl (CPUState *env)
638: {
639: return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
640: }
641:
642: uint32_t cpu_ppc_load_tbu (CPUState *env)
643: {
644: return cpu_ppc_get_tb(env) >> 32;
645: }
646:
647: static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
648: {
649: /* TO FIX */
650: }
651:
652: void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
653: {
654: cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
655: }
656:
657: void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
658: {
659: cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
660: }
661:
662: uint32_t cpu_ppc_load_decr (CPUState *env)
663: {
664: /* TO FIX */
665: return -1;
666: }
667:
668: void cpu_ppc_store_decr (CPUState *env, uint32_t value)
669: {
670: /* TO FIX */
671: }
672:
673: void cpu_loop(CPUPPCState *env)
674: {
675: target_siginfo_t info;
676: int trapnr;
677: uint32_t ret;
678:
679: for(;;) {
680: trapnr = cpu_ppc_exec(env);
681: if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
682: trapnr != EXCP_TRACE) {
683: if (loglevel > 0) {
684: cpu_dump_state(env, logfile, fprintf, 0);
685: }
686: }
687: switch(trapnr) {
688: case EXCP_NONE:
689: break;
690: case EXCP_SYSCALL_USER:
691: /* system call */
692: /* WARNING:
693: * PPC ABI uses overflow flag in cr0 to signal an error
694: * in syscalls.
695: */
696: #if 0
697: printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
698: env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
699: #endif
700: env->crf[0] &= ~0x1;
701: ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
702: env->gpr[5], env->gpr[6], env->gpr[7],
703: env->gpr[8]);
704: if (ret > (uint32_t)(-515)) {
705: env->crf[0] |= 0x1;
706: ret = -ret;
707: }
708: env->gpr[3] = ret;
709: #if 0
710: printf("syscall returned 0x%08x (%d)\n", ret, ret);
711: #endif
712: break;
713: case EXCP_RESET:
714: /* Should not happen ! */
715: fprintf(stderr, "RESET asked... Stop emulation\n");
716: if (loglevel)
717: fprintf(logfile, "RESET asked... Stop emulation\n");
718: abort();
719: case EXCP_MACHINE_CHECK:
720: fprintf(stderr, "Machine check exeption... Stop emulation\n");
721: if (loglevel)
722: fprintf(logfile, "RESET asked... Stop emulation\n");
723: info.si_signo = TARGET_SIGBUS;
724: info.si_errno = 0;
725: info.si_code = TARGET_BUS_OBJERR;
726: info._sifields._sigfault._addr = env->nip - 4;
727: queue_signal(info.si_signo, &info);
728: case EXCP_DSI:
729: fprintf(stderr, "Invalid data memory access: 0x%08x\n",
730: env->spr[SPR_DAR]);
731: if (loglevel) {
732: fprintf(logfile, "Invalid data memory access: 0x%08x\n",
733: env->spr[SPR_DAR]);
734: }
735: switch (env->error_code & 0xFF000000) {
736: case 0x40000000:
737: info.si_signo = TARGET_SIGSEGV;
738: info.si_errno = 0;
739: info.si_code = TARGET_SEGV_MAPERR;
740: break;
741: case 0x04000000:
742: info.si_signo = TARGET_SIGILL;
743: info.si_errno = 0;
744: info.si_code = TARGET_ILL_ILLADR;
745: break;
746: case 0x08000000:
747: info.si_signo = TARGET_SIGSEGV;
748: info.si_errno = 0;
749: info.si_code = TARGET_SEGV_ACCERR;
750: break;
751: default:
752: /* Let's send a regular segfault... */
753: fprintf(stderr, "Invalid segfault errno (%02x)\n",
754: env->error_code);
755: if (loglevel) {
756: fprintf(logfile, "Invalid segfault errno (%02x)\n",
757: env->error_code);
758: }
759: info.si_signo = TARGET_SIGSEGV;
760: info.si_errno = 0;
761: info.si_code = TARGET_SEGV_MAPERR;
762: break;
763: }
764: info._sifields._sigfault._addr = env->nip;
765: queue_signal(info.si_signo, &info);
766: break;
767: case EXCP_ISI:
768: fprintf(stderr, "Invalid instruction fetch\n");
769: if (loglevel)
770: fprintf(logfile, "Invalid instruction fetch\n");
771: switch (env->error_code & 0xFF000000) {
772: case 0x40000000:
773: info.si_signo = TARGET_SIGSEGV;
774: info.si_errno = 0;
775: info.si_code = TARGET_SEGV_MAPERR;
776: break;
777: case 0x10000000:
778: case 0x08000000:
779: info.si_signo = TARGET_SIGSEGV;
780: info.si_errno = 0;
781: info.si_code = TARGET_SEGV_ACCERR;
782: break;
783: default:
784: /* Let's send a regular segfault... */
785: fprintf(stderr, "Invalid segfault errno (%02x)\n",
786: env->error_code);
787: if (loglevel) {
788: fprintf(logfile, "Invalid segfault errno (%02x)\n",
789: env->error_code);
790: }
791: info.si_signo = TARGET_SIGSEGV;
792: info.si_errno = 0;
793: info.si_code = TARGET_SEGV_MAPERR;
794: break;
795: }
796: info._sifields._sigfault._addr = env->nip - 4;
797: queue_signal(info.si_signo, &info);
798: break;
799: case EXCP_EXTERNAL:
800: /* Should not happen ! */
801: fprintf(stderr, "External interruption... Stop emulation\n");
802: if (loglevel)
803: fprintf(logfile, "External interruption... Stop emulation\n");
804: abort();
805: case EXCP_ALIGN:
806: fprintf(stderr, "Invalid unaligned memory access\n");
807: if (loglevel)
808: fprintf(logfile, "Invalid unaligned memory access\n");
809: info.si_signo = TARGET_SIGBUS;
810: info.si_errno = 0;
811: info.si_code = TARGET_BUS_ADRALN;
812: info._sifields._sigfault._addr = env->nip - 4;
813: queue_signal(info.si_signo, &info);
814: break;
815: case EXCP_PROGRAM:
816: switch (env->error_code & ~0xF) {
817: case EXCP_FP:
818: fprintf(stderr, "Program exception\n");
819: if (loglevel)
820: fprintf(logfile, "Program exception\n");
821: /* Set FX */
822: env->fpscr[7] |= 0x8;
823: /* Finally, update FEX */
824: if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
825: ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
826: env->fpscr[7] |= 0x4;
827: info.si_signo = TARGET_SIGFPE;
828: info.si_errno = 0;
829: switch (env->error_code & 0xF) {
830: case EXCP_FP_OX:
831: info.si_code = TARGET_FPE_FLTOVF;
832: break;
833: case EXCP_FP_UX:
834: info.si_code = TARGET_FPE_FLTUND;
835: break;
836: case EXCP_FP_ZX:
837: case EXCP_FP_VXZDZ:
838: info.si_code = TARGET_FPE_FLTDIV;
839: break;
840: case EXCP_FP_XX:
841: info.si_code = TARGET_FPE_FLTRES;
842: break;
843: case EXCP_FP_VXSOFT:
844: info.si_code = TARGET_FPE_FLTINV;
845: break;
846: case EXCP_FP_VXNAN:
847: case EXCP_FP_VXISI:
848: case EXCP_FP_VXIDI:
849: case EXCP_FP_VXIMZ:
850: case EXCP_FP_VXVC:
851: case EXCP_FP_VXSQRT:
852: case EXCP_FP_VXCVI:
853: info.si_code = TARGET_FPE_FLTSUB;
854: break;
855: default:
856: fprintf(stderr, "Unknown floating point exception "
857: "(%02x)\n", env->error_code);
858: if (loglevel) {
859: fprintf(logfile, "Unknown floating point exception "
860: "(%02x)\n", env->error_code & 0xF);
861: }
862: }
863: break;
864: case EXCP_INVAL:
865: fprintf(stderr, "Invalid instruction\n");
866: if (loglevel)
867: fprintf(logfile, "Invalid instruction\n");
868: info.si_signo = TARGET_SIGILL;
869: info.si_errno = 0;
870: switch (env->error_code & 0xF) {
871: case EXCP_INVAL_INVAL:
872: info.si_code = TARGET_ILL_ILLOPC;
873: break;
874: case EXCP_INVAL_LSWX:
875: info.si_code = TARGET_ILL_ILLOPN;
876: break;
877: case EXCP_INVAL_SPR:
878: info.si_code = TARGET_ILL_PRVREG;
879: break;
880: case EXCP_INVAL_FP:
881: info.si_code = TARGET_ILL_COPROC;
882: break;
883: default:
884: fprintf(stderr, "Unknown invalid operation (%02x)\n",
885: env->error_code & 0xF);
886: if (loglevel) {
887: fprintf(logfile, "Unknown invalid operation (%02x)\n",
888: env->error_code & 0xF);
889: }
890: info.si_code = TARGET_ILL_ILLADR;
891: break;
892: }
893: break;
894: case EXCP_PRIV:
895: fprintf(stderr, "Privilege violation\n");
896: if (loglevel)
897: fprintf(logfile, "Privilege violation\n");
898: info.si_signo = TARGET_SIGILL;
899: info.si_errno = 0;
900: switch (env->error_code & 0xF) {
901: case EXCP_PRIV_OPC:
902: info.si_code = TARGET_ILL_PRVOPC;
903: break;
904: case EXCP_PRIV_REG:
905: info.si_code = TARGET_ILL_PRVREG;
906: break;
907: default:
908: fprintf(stderr, "Unknown privilege violation (%02x)\n",
909: env->error_code & 0xF);
910: info.si_code = TARGET_ILL_PRVOPC;
911: break;
912: }
913: break;
914: case EXCP_TRAP:
915: fprintf(stderr, "Tried to call a TRAP\n");
916: if (loglevel)
917: fprintf(logfile, "Tried to call a TRAP\n");
918: abort();
919: default:
920: /* Should not happen ! */
921: fprintf(stderr, "Unknown program exception (%02x)\n",
922: env->error_code);
923: if (loglevel) {
924: fprintf(logfile, "Unknwon program exception (%02x)\n",
925: env->error_code);
926: }
927: abort();
928: }
929: info._sifields._sigfault._addr = env->nip - 4;
930: queue_signal(info.si_signo, &info);
931: break;
932: case EXCP_NO_FP:
933: fprintf(stderr, "No floating point allowed\n");
934: if (loglevel)
935: fprintf(logfile, "No floating point allowed\n");
936: info.si_signo = TARGET_SIGILL;
937: info.si_errno = 0;
938: info.si_code = TARGET_ILL_COPROC;
939: info._sifields._sigfault._addr = env->nip - 4;
940: queue_signal(info.si_signo, &info);
941: break;
942: case EXCP_DECR:
943: /* Should not happen ! */
944: fprintf(stderr, "Decrementer exception\n");
945: if (loglevel)
946: fprintf(logfile, "Decrementer exception\n");
947: abort();
948: case EXCP_TRACE:
949: /* Do nothing: we use this to trace execution */
950: break;
951: case EXCP_FP_ASSIST:
952: /* Should not happen ! */
953: fprintf(stderr, "Floating point assist exception\n");
954: if (loglevel)
955: fprintf(logfile, "Floating point assist exception\n");
956: abort();
957: case EXCP_MTMSR:
958: /* We reloaded the msr, just go on */
959: if (msr_pr == 0) {
960: fprintf(stderr, "Tried to go into supervisor mode !\n");
961: if (loglevel)
962: fprintf(logfile, "Tried to go into supervisor mode !\n");
963: abort();
964: }
965: break;
966: case EXCP_BRANCH:
967: /* We stopped because of a jump... */
968: break;
969: case EXCP_INTERRUPT:
970: /* Don't know why this should ever happen... */
971: break;
972: case EXCP_DEBUG:
973: {
974: int sig;
975:
976: sig = gdb_handlesig (env, TARGET_SIGTRAP);
977: if (sig)
978: {
979: info.si_signo = sig;
980: info.si_errno = 0;
981: info.si_code = TARGET_TRAP_BRKPT;
982: queue_signal(info.si_signo, &info);
983: }
984: }
985: break;
986: default:
987: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
988: trapnr);
989: if (loglevel) {
990: fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
991: "0x%02x - aborting\n", trapnr, env->error_code);
992: }
993: abort();
994: }
995: process_pending_signals(env);
996: }
997: }
998: #endif
999:
1.1.1.2 root 1000: #ifdef TARGET_MIPS
1001:
1002: #define MIPS_SYS(name, args) args,
1003:
1004: static const uint8_t mips_syscall_args[] = {
1005: MIPS_SYS(sys_syscall , 0) /* 4000 */
1006: MIPS_SYS(sys_exit , 1)
1007: MIPS_SYS(sys_fork , 0)
1008: MIPS_SYS(sys_read , 3)
1009: MIPS_SYS(sys_write , 3)
1010: MIPS_SYS(sys_open , 3) /* 4005 */
1011: MIPS_SYS(sys_close , 1)
1012: MIPS_SYS(sys_waitpid , 3)
1013: MIPS_SYS(sys_creat , 2)
1014: MIPS_SYS(sys_link , 2)
1015: MIPS_SYS(sys_unlink , 1) /* 4010 */
1016: MIPS_SYS(sys_execve , 0)
1017: MIPS_SYS(sys_chdir , 1)
1018: MIPS_SYS(sys_time , 1)
1019: MIPS_SYS(sys_mknod , 3)
1020: MIPS_SYS(sys_chmod , 2) /* 4015 */
1021: MIPS_SYS(sys_lchown , 3)
1022: MIPS_SYS(sys_ni_syscall , 0)
1023: MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1024: MIPS_SYS(sys_lseek , 3)
1025: MIPS_SYS(sys_getpid , 0) /* 4020 */
1026: MIPS_SYS(sys_mount , 5)
1027: MIPS_SYS(sys_oldumount , 1)
1028: MIPS_SYS(sys_setuid , 1)
1029: MIPS_SYS(sys_getuid , 0)
1030: MIPS_SYS(sys_stime , 1) /* 4025 */
1031: MIPS_SYS(sys_ptrace , 4)
1032: MIPS_SYS(sys_alarm , 1)
1033: MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1034: MIPS_SYS(sys_pause , 0)
1035: MIPS_SYS(sys_utime , 2) /* 4030 */
1036: MIPS_SYS(sys_ni_syscall , 0)
1037: MIPS_SYS(sys_ni_syscall , 0)
1038: MIPS_SYS(sys_access , 2)
1039: MIPS_SYS(sys_nice , 1)
1040: MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1041: MIPS_SYS(sys_sync , 0)
1042: MIPS_SYS(sys_kill , 2)
1043: MIPS_SYS(sys_rename , 2)
1044: MIPS_SYS(sys_mkdir , 2)
1045: MIPS_SYS(sys_rmdir , 1) /* 4040 */
1046: MIPS_SYS(sys_dup , 1)
1047: MIPS_SYS(sys_pipe , 0)
1048: MIPS_SYS(sys_times , 1)
1049: MIPS_SYS(sys_ni_syscall , 0)
1050: MIPS_SYS(sys_brk , 1) /* 4045 */
1051: MIPS_SYS(sys_setgid , 1)
1052: MIPS_SYS(sys_getgid , 0)
1053: MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1054: MIPS_SYS(sys_geteuid , 0)
1055: MIPS_SYS(sys_getegid , 0) /* 4050 */
1056: MIPS_SYS(sys_acct , 0)
1057: MIPS_SYS(sys_umount , 2)
1058: MIPS_SYS(sys_ni_syscall , 0)
1059: MIPS_SYS(sys_ioctl , 3)
1060: MIPS_SYS(sys_fcntl , 3) /* 4055 */
1061: MIPS_SYS(sys_ni_syscall , 2)
1062: MIPS_SYS(sys_setpgid , 2)
1063: MIPS_SYS(sys_ni_syscall , 0)
1064: MIPS_SYS(sys_olduname , 1)
1065: MIPS_SYS(sys_umask , 1) /* 4060 */
1066: MIPS_SYS(sys_chroot , 1)
1067: MIPS_SYS(sys_ustat , 2)
1068: MIPS_SYS(sys_dup2 , 2)
1069: MIPS_SYS(sys_getppid , 0)
1070: MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1071: MIPS_SYS(sys_setsid , 0)
1072: MIPS_SYS(sys_sigaction , 3)
1073: MIPS_SYS(sys_sgetmask , 0)
1074: MIPS_SYS(sys_ssetmask , 1)
1075: MIPS_SYS(sys_setreuid , 2) /* 4070 */
1076: MIPS_SYS(sys_setregid , 2)
1077: MIPS_SYS(sys_sigsuspend , 0)
1078: MIPS_SYS(sys_sigpending , 1)
1079: MIPS_SYS(sys_sethostname , 2)
1080: MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1081: MIPS_SYS(sys_getrlimit , 2)
1082: MIPS_SYS(sys_getrusage , 2)
1083: MIPS_SYS(sys_gettimeofday, 2)
1084: MIPS_SYS(sys_settimeofday, 2)
1085: MIPS_SYS(sys_getgroups , 2) /* 4080 */
1086: MIPS_SYS(sys_setgroups , 2)
1087: MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1088: MIPS_SYS(sys_symlink , 2)
1089: MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1090: MIPS_SYS(sys_readlink , 3) /* 4085 */
1091: MIPS_SYS(sys_uselib , 1)
1092: MIPS_SYS(sys_swapon , 2)
1093: MIPS_SYS(sys_reboot , 3)
1094: MIPS_SYS(old_readdir , 3)
1095: MIPS_SYS(old_mmap , 6) /* 4090 */
1096: MIPS_SYS(sys_munmap , 2)
1097: MIPS_SYS(sys_truncate , 2)
1098: MIPS_SYS(sys_ftruncate , 2)
1099: MIPS_SYS(sys_fchmod , 2)
1100: MIPS_SYS(sys_fchown , 3) /* 4095 */
1101: MIPS_SYS(sys_getpriority , 2)
1102: MIPS_SYS(sys_setpriority , 3)
1103: MIPS_SYS(sys_ni_syscall , 0)
1104: MIPS_SYS(sys_statfs , 2)
1105: MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1106: MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1107: MIPS_SYS(sys_socketcall , 2)
1108: MIPS_SYS(sys_syslog , 3)
1109: MIPS_SYS(sys_setitimer , 3)
1110: MIPS_SYS(sys_getitimer , 2) /* 4105 */
1111: MIPS_SYS(sys_newstat , 2)
1112: MIPS_SYS(sys_newlstat , 2)
1113: MIPS_SYS(sys_newfstat , 2)
1114: MIPS_SYS(sys_uname , 1)
1115: MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1116: MIPS_SYS(sys_vhangup , 0)
1117: MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1118: MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1119: MIPS_SYS(sys_wait4 , 4)
1120: MIPS_SYS(sys_swapoff , 1) /* 4115 */
1121: MIPS_SYS(sys_sysinfo , 1)
1122: MIPS_SYS(sys_ipc , 6)
1123: MIPS_SYS(sys_fsync , 1)
1124: MIPS_SYS(sys_sigreturn , 0)
1125: MIPS_SYS(sys_clone , 0) /* 4120 */
1126: MIPS_SYS(sys_setdomainname, 2)
1127: MIPS_SYS(sys_newuname , 1)
1128: MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1129: MIPS_SYS(sys_adjtimex , 1)
1130: MIPS_SYS(sys_mprotect , 3) /* 4125 */
1131: MIPS_SYS(sys_sigprocmask , 3)
1132: MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1133: MIPS_SYS(sys_init_module , 5)
1134: MIPS_SYS(sys_delete_module, 1)
1135: MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1136: MIPS_SYS(sys_quotactl , 0)
1137: MIPS_SYS(sys_getpgid , 1)
1138: MIPS_SYS(sys_fchdir , 1)
1139: MIPS_SYS(sys_bdflush , 2)
1140: MIPS_SYS(sys_sysfs , 3) /* 4135 */
1141: MIPS_SYS(sys_personality , 1)
1142: MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1143: MIPS_SYS(sys_setfsuid , 1)
1144: MIPS_SYS(sys_setfsgid , 1)
1145: MIPS_SYS(sys_llseek , 5) /* 4140 */
1146: MIPS_SYS(sys_getdents , 3)
1147: MIPS_SYS(sys_select , 5)
1148: MIPS_SYS(sys_flock , 2)
1149: MIPS_SYS(sys_msync , 3)
1150: MIPS_SYS(sys_readv , 3) /* 4145 */
1151: MIPS_SYS(sys_writev , 3)
1152: MIPS_SYS(sys_cacheflush , 3)
1153: MIPS_SYS(sys_cachectl , 3)
1154: MIPS_SYS(sys_sysmips , 4)
1155: MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1156: MIPS_SYS(sys_getsid , 1)
1157: MIPS_SYS(sys_fdatasync , 0)
1158: MIPS_SYS(sys_sysctl , 1)
1159: MIPS_SYS(sys_mlock , 2)
1160: MIPS_SYS(sys_munlock , 2) /* 4155 */
1161: MIPS_SYS(sys_mlockall , 1)
1162: MIPS_SYS(sys_munlockall , 0)
1163: MIPS_SYS(sys_sched_setparam, 2)
1164: MIPS_SYS(sys_sched_getparam, 2)
1165: MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1166: MIPS_SYS(sys_sched_getscheduler, 1)
1167: MIPS_SYS(sys_sched_yield , 0)
1168: MIPS_SYS(sys_sched_get_priority_max, 1)
1169: MIPS_SYS(sys_sched_get_priority_min, 1)
1170: MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1171: MIPS_SYS(sys_nanosleep, 2)
1172: MIPS_SYS(sys_mremap , 4)
1173: MIPS_SYS(sys_accept , 3)
1174: MIPS_SYS(sys_bind , 3)
1175: MIPS_SYS(sys_connect , 3) /* 4170 */
1176: MIPS_SYS(sys_getpeername , 3)
1177: MIPS_SYS(sys_getsockname , 3)
1178: MIPS_SYS(sys_getsockopt , 5)
1179: MIPS_SYS(sys_listen , 2)
1180: MIPS_SYS(sys_recv , 4) /* 4175 */
1181: MIPS_SYS(sys_recvfrom , 6)
1182: MIPS_SYS(sys_recvmsg , 3)
1183: MIPS_SYS(sys_send , 4)
1184: MIPS_SYS(sys_sendmsg , 3)
1185: MIPS_SYS(sys_sendto , 6) /* 4180 */
1186: MIPS_SYS(sys_setsockopt , 5)
1187: MIPS_SYS(sys_shutdown , 2)
1188: MIPS_SYS(sys_socket , 3)
1189: MIPS_SYS(sys_socketpair , 4)
1190: MIPS_SYS(sys_setresuid , 3) /* 4185 */
1191: MIPS_SYS(sys_getresuid , 3)
1192: MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1193: MIPS_SYS(sys_poll , 3)
1194: MIPS_SYS(sys_nfsservctl , 3)
1195: MIPS_SYS(sys_setresgid , 3) /* 4190 */
1196: MIPS_SYS(sys_getresgid , 3)
1197: MIPS_SYS(sys_prctl , 5)
1198: MIPS_SYS(sys_rt_sigreturn, 0)
1199: MIPS_SYS(sys_rt_sigaction, 4)
1200: MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1201: MIPS_SYS(sys_rt_sigpending, 2)
1202: MIPS_SYS(sys_rt_sigtimedwait, 4)
1203: MIPS_SYS(sys_rt_sigqueueinfo, 3)
1204: MIPS_SYS(sys_rt_sigsuspend, 0)
1205: MIPS_SYS(sys_pread64 , 6) /* 4200 */
1206: MIPS_SYS(sys_pwrite64 , 6)
1207: MIPS_SYS(sys_chown , 3)
1208: MIPS_SYS(sys_getcwd , 2)
1209: MIPS_SYS(sys_capget , 2)
1210: MIPS_SYS(sys_capset , 2) /* 4205 */
1211: MIPS_SYS(sys_sigaltstack , 0)
1212: MIPS_SYS(sys_sendfile , 4)
1213: MIPS_SYS(sys_ni_syscall , 0)
1214: MIPS_SYS(sys_ni_syscall , 0)
1215: MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1216: MIPS_SYS(sys_truncate64 , 4)
1217: MIPS_SYS(sys_ftruncate64 , 4)
1218: MIPS_SYS(sys_stat64 , 2)
1219: MIPS_SYS(sys_lstat64 , 2)
1220: MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1221: MIPS_SYS(sys_pivot_root , 2)
1222: MIPS_SYS(sys_mincore , 3)
1223: MIPS_SYS(sys_madvise , 3)
1224: MIPS_SYS(sys_getdents64 , 3)
1225: MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1226: MIPS_SYS(sys_ni_syscall , 0)
1227: MIPS_SYS(sys_gettid , 0)
1228: MIPS_SYS(sys_readahead , 5)
1229: MIPS_SYS(sys_setxattr , 5)
1230: MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1231: MIPS_SYS(sys_fsetxattr , 5)
1232: MIPS_SYS(sys_getxattr , 4)
1233: MIPS_SYS(sys_lgetxattr , 4)
1234: MIPS_SYS(sys_fgetxattr , 4)
1235: MIPS_SYS(sys_listxattr , 3) /* 4230 */
1236: MIPS_SYS(sys_llistxattr , 3)
1237: MIPS_SYS(sys_flistxattr , 3)
1238: MIPS_SYS(sys_removexattr , 2)
1239: MIPS_SYS(sys_lremovexattr, 2)
1240: MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1241: MIPS_SYS(sys_tkill , 2)
1242: MIPS_SYS(sys_sendfile64 , 5)
1243: MIPS_SYS(sys_futex , 2)
1244: MIPS_SYS(sys_sched_setaffinity, 3)
1245: MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1246: MIPS_SYS(sys_io_setup , 2)
1247: MIPS_SYS(sys_io_destroy , 1)
1248: MIPS_SYS(sys_io_getevents, 5)
1249: MIPS_SYS(sys_io_submit , 3)
1250: MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1251: MIPS_SYS(sys_exit_group , 1)
1252: MIPS_SYS(sys_lookup_dcookie, 3)
1253: MIPS_SYS(sys_epoll_create, 1)
1254: MIPS_SYS(sys_epoll_ctl , 4)
1255: MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1256: MIPS_SYS(sys_remap_file_pages, 5)
1257: MIPS_SYS(sys_set_tid_address, 1)
1258: MIPS_SYS(sys_restart_syscall, 0)
1259: MIPS_SYS(sys_fadvise64_64, 7)
1260: MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1261: MIPS_SYS(sys_fstatfs64 , 2)
1262: MIPS_SYS(sys_timer_create, 3)
1263: MIPS_SYS(sys_timer_settime, 4)
1264: MIPS_SYS(sys_timer_gettime, 2)
1265: MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1266: MIPS_SYS(sys_timer_delete, 1)
1267: MIPS_SYS(sys_clock_settime, 2)
1268: MIPS_SYS(sys_clock_gettime, 2)
1269: MIPS_SYS(sys_clock_getres, 2)
1270: MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1271: MIPS_SYS(sys_tgkill , 3)
1272: MIPS_SYS(sys_utimes , 2)
1273: MIPS_SYS(sys_mbind , 4)
1274: MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1275: MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1276: MIPS_SYS(sys_mq_open , 4)
1277: MIPS_SYS(sys_mq_unlink , 1)
1278: MIPS_SYS(sys_mq_timedsend, 5)
1279: MIPS_SYS(sys_mq_timedreceive, 5)
1280: MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1281: MIPS_SYS(sys_mq_getsetattr, 3)
1282: MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1283: MIPS_SYS(sys_waitid , 4)
1284: MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1285: MIPS_SYS(sys_add_key , 5)
1286: MIPS_SYS(sys_request_key , 4)
1287: MIPS_SYS(sys_keyctl , 5)
1288: };
1289:
1290: #undef MIPS_SYS
1291:
1292: void cpu_loop(CPUMIPSState *env)
1293: {
1294: target_siginfo_t info;
1295: int trapnr, ret, nb_args;
1296: unsigned int syscall_num;
1297: target_ulong arg5, arg6, sp_reg;
1298:
1299: for(;;) {
1300: trapnr = cpu_mips_exec(env);
1301: switch(trapnr) {
1302: case EXCP_SYSCALL:
1303: {
1304: syscall_num = env->gpr[2] - 4000;
1.1.1.4 ! root 1305: env->PC += 4;
1.1.1.2 root 1306: if (syscall_num >= sizeof(mips_syscall_args)) {
1307: ret = -ENOSYS;
1308: } else {
1309: nb_args = mips_syscall_args[syscall_num];
1310: if (nb_args >= 5) {
1311: sp_reg = env->gpr[29];
1312: /* these arguments are taken from the stack */
1.1.1.3 root 1313: arg5 = tgetl(sp_reg + 16);
1.1.1.2 root 1314: if (nb_args >= 6) {
1.1.1.3 root 1315: arg6 = tgetl(sp_reg + 20);
1.1.1.2 root 1316: } else {
1317: arg6 = 0;
1318: }
1319: } else {
1320: arg5 = 0;
1321: arg6 = 0;
1322: }
1323: ret = do_syscall(env,
1324: env->gpr[2],
1325: env->gpr[4],
1326: env->gpr[5],
1327: env->gpr[6],
1328: env->gpr[7],
1329: arg5,
1330: arg6);
1331: }
1332: if ((unsigned int)ret >= (unsigned int)(-1133)) {
1333: env->gpr[7] = 1; /* error flag */
1334: ret = -ret;
1335: env->gpr[0] = ret;
1336: env->gpr[2] = ret;
1337: } else {
1338: env->gpr[7] = 0; /* error flag */
1339: env->gpr[2] = ret;
1340: }
1341: }
1342: break;
1343: case EXCP_CpU:
1344: case EXCP_RI:
1.1.1.4 ! root 1345: info.si_signo = TARGET_SIGILL;
! 1346: info.si_errno = 0;
! 1347: info.si_code = 0;
! 1348: queue_signal(info.si_signo, &info);
! 1349: break;
! 1350: case EXCP_INTERRUPT:
! 1351: /* just indicate that signals should be handled asap */
1.1.1.2 root 1352: break;
1353: default:
1354: // error:
1355: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1356: trapnr);
1357: cpu_dump_state(env, stderr, fprintf, 0);
1358: abort();
1359: }
1360: process_pending_signals(env);
1361: }
1362: }
1363: #endif
1364:
1.1.1.3 root 1365: #ifdef TARGET_SH4
1366: void cpu_loop (CPUState *env)
1367: {
1368: int trapnr, ret;
1.1.1.4 ! root 1369: target_siginfo_t info;
1.1.1.3 root 1370:
1371: while (1) {
1372: trapnr = cpu_sh4_exec (env);
1373:
1374: switch (trapnr) {
1375: case 0x160:
1376: ret = do_syscall(env,
1.1.1.4 ! root 1377: env->gregs[3],
! 1378: env->gregs[4],
! 1379: env->gregs[5],
! 1380: env->gregs[6],
! 1381: env->gregs[7],
! 1382: env->gregs[0],
1.1.1.3 root 1383: 0);
1.1.1.4 ! root 1384: env->gregs[0] = ret;
1.1.1.3 root 1385: env->pc += 2;
1386: break;
1.1.1.4 ! root 1387: case EXCP_DEBUG:
! 1388: {
! 1389: int sig;
! 1390:
! 1391: sig = gdb_handlesig (env, TARGET_SIGTRAP);
! 1392: if (sig)
! 1393: {
! 1394: info.si_signo = sig;
! 1395: info.si_errno = 0;
! 1396: info.si_code = TARGET_TRAP_BRKPT;
! 1397: queue_signal(info.si_signo, &info);
! 1398: }
! 1399: }
! 1400: break;
1.1.1.3 root 1401: default:
1402: printf ("Unhandled trap: 0x%x\n", trapnr);
1403: cpu_dump_state(env, stderr, fprintf, 0);
1404: exit (1);
1405: }
1406: process_pending_signals (env);
1407: }
1408: }
1409: #endif
1410:
1.1 root 1411: void usage(void)
1412: {
1413: printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
1414: "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n"
1415: "Linux CPU emulator (compiled for %s emulation)\n"
1416: "\n"
1417: "-h print this help\n"
1.1.1.2 root 1418: "-g port wait gdb connection to port\n"
1.1 root 1419: "-L path set the elf interpreter prefix (default=%s)\n"
1420: "-s size set the stack size in bytes (default=%ld)\n"
1421: "\n"
1422: "debug options:\n"
1423: #ifdef USE_CODE_COPY
1424: "-no-code-copy disable code copy acceleration\n"
1425: #endif
1426: "-d options activate log (logfile=%s)\n"
1427: "-p pagesize set the host page size to 'pagesize'\n",
1428: TARGET_ARCH,
1429: interp_prefix,
1430: x86_stack_size,
1431: DEBUG_LOGFILE);
1432: _exit(1);
1433: }
1434:
1435: /* XXX: currently only used for async signals (see signal.c) */
1436: CPUState *global_env;
1437:
1438: /* used to free thread contexts */
1439: TaskState *first_task_state;
1440:
1441: int main(int argc, char **argv)
1442: {
1443: const char *filename;
1444: struct target_pt_regs regs1, *regs = ®s1;
1445: struct image_info info1, *info = &info1;
1446: TaskState ts1, *ts = &ts1;
1447: CPUState *env;
1448: int optind;
1449: const char *r;
1.1.1.2 root 1450: int gdbstub_port = 0;
1.1 root 1451:
1452: if (argc <= 1)
1453: usage();
1454:
1455: /* init debug */
1456: cpu_set_log_filename(DEBUG_LOGFILE);
1457:
1458: optind = 1;
1459: for(;;) {
1460: if (optind >= argc)
1461: break;
1462: r = argv[optind];
1463: if (r[0] != '-')
1464: break;
1465: optind++;
1466: r++;
1467: if (!strcmp(r, "-")) {
1468: break;
1469: } else if (!strcmp(r, "d")) {
1470: int mask;
1471: CPULogItem *item;
1472:
1473: if (optind >= argc)
1474: break;
1475:
1476: r = argv[optind++];
1477: mask = cpu_str_to_log_mask(r);
1478: if (!mask) {
1479: printf("Log items (comma separated):\n");
1480: for(item = cpu_log_items; item->mask != 0; item++) {
1481: printf("%-10s %s\n", item->name, item->help);
1482: }
1483: exit(1);
1484: }
1485: cpu_set_log(mask);
1486: } else if (!strcmp(r, "s")) {
1487: r = argv[optind++];
1488: x86_stack_size = strtol(r, (char **)&r, 0);
1489: if (x86_stack_size <= 0)
1490: usage();
1491: if (*r == 'M')
1492: x86_stack_size *= 1024 * 1024;
1493: else if (*r == 'k' || *r == 'K')
1494: x86_stack_size *= 1024;
1495: } else if (!strcmp(r, "L")) {
1496: interp_prefix = argv[optind++];
1497: } else if (!strcmp(r, "p")) {
1498: qemu_host_page_size = atoi(argv[optind++]);
1499: if (qemu_host_page_size == 0 ||
1500: (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
1501: fprintf(stderr, "page size must be a power of two\n");
1502: exit(1);
1503: }
1504: } else if (!strcmp(r, "g")) {
1.1.1.2 root 1505: gdbstub_port = atoi(argv[optind++]);
1.1.1.4 ! root 1506: } else if (!strcmp(r, "r")) {
! 1507: qemu_uname_release = argv[optind++];
1.1 root 1508: } else
1509: #ifdef USE_CODE_COPY
1510: if (!strcmp(r, "no-code-copy")) {
1511: code_copy_enabled = 0;
1512: } else
1513: #endif
1514: {
1515: usage();
1516: }
1517: }
1518: if (optind >= argc)
1519: usage();
1520: filename = argv[optind];
1521:
1522: /* Zero out regs */
1523: memset(regs, 0, sizeof(struct target_pt_regs));
1524:
1525: /* Zero out image_info */
1526: memset(info, 0, sizeof(struct image_info));
1527:
1528: /* Scan interp_prefix dir for replacement files. */
1529: init_paths(interp_prefix);
1530:
1531: /* NOTE: we need to init the CPU at this stage to get
1532: qemu_host_page_size */
1533: env = cpu_init();
1.1.1.2 root 1534: global_env = env;
1.1 root 1535:
1.1.1.4 ! root 1536: if (loader_exec(filename, argv+optind, environ, regs, info) != 0) {
1.1 root 1537: printf("Error loading %s\n", filename);
1538: _exit(1);
1539: }
1540:
1541: if (loglevel) {
1542: page_dump(logfile);
1543:
1544: fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
1545: fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
1546: fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
1.1.1.4 ! root 1547: fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
1.1 root 1548: fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
1549: fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
1550: fprintf(logfile, "brk 0x%08lx\n" , info->brk);
1551: fprintf(logfile, "entry 0x%08lx\n" , info->entry);
1552: }
1553:
1.1.1.3 root 1554: target_set_brk(info->brk);
1.1 root 1555: syscall_init();
1556: signal_init();
1557:
1558: /* build Task State */
1559: memset(ts, 0, sizeof(TaskState));
1560: env->opaque = ts;
1561: ts->used = 1;
1.1.1.4 ! root 1562: ts->info = info;
1.1 root 1563: env->user_mode_only = 1;
1564:
1565: #if defined(TARGET_I386)
1566: cpu_x86_set_cpl(env, 3);
1567:
1568: env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1569: env->hflags |= HF_PE_MASK;
1570: if (env->cpuid_features & CPUID_SSE) {
1571: env->cr[4] |= CR4_OSFXSR_MASK;
1572: env->hflags |= HF_OSFXSR_MASK;
1573: }
1574:
1575: /* flags setup : we activate the IRQs by default as in user mode */
1576: env->eflags |= IF_MASK;
1577:
1578: /* linux register setup */
1579: env->regs[R_EAX] = regs->eax;
1580: env->regs[R_EBX] = regs->ebx;
1581: env->regs[R_ECX] = regs->ecx;
1582: env->regs[R_EDX] = regs->edx;
1583: env->regs[R_ESI] = regs->esi;
1584: env->regs[R_EDI] = regs->edi;
1585: env->regs[R_EBP] = regs->ebp;
1586: env->regs[R_ESP] = regs->esp;
1587: env->eip = regs->eip;
1588:
1589: /* linux interrupt setup */
1.1.1.3 root 1590: env->idt.base = h2g(idt_table);
1.1 root 1591: env->idt.limit = sizeof(idt_table) - 1;
1592: set_idt(0, 0);
1593: set_idt(1, 0);
1594: set_idt(2, 0);
1595: set_idt(3, 3);
1596: set_idt(4, 3);
1597: set_idt(5, 3);
1598: set_idt(6, 0);
1599: set_idt(7, 0);
1600: set_idt(8, 0);
1601: set_idt(9, 0);
1602: set_idt(10, 0);
1603: set_idt(11, 0);
1604: set_idt(12, 0);
1605: set_idt(13, 0);
1606: set_idt(14, 0);
1607: set_idt(15, 0);
1608: set_idt(16, 0);
1609: set_idt(17, 0);
1610: set_idt(18, 0);
1611: set_idt(19, 0);
1612: set_idt(0x80, 3);
1613:
1614: /* linux segment setup */
1.1.1.3 root 1615: env->gdt.base = h2g(gdt_table);
1.1 root 1616: env->gdt.limit = sizeof(gdt_table) - 1;
1617: write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
1618: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1619: (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
1620: write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
1621: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1622: (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
1623: cpu_x86_load_seg(env, R_CS, __USER_CS);
1624: cpu_x86_load_seg(env, R_DS, __USER_DS);
1625: cpu_x86_load_seg(env, R_ES, __USER_DS);
1626: cpu_x86_load_seg(env, R_SS, __USER_DS);
1627: cpu_x86_load_seg(env, R_FS, __USER_DS);
1628: cpu_x86_load_seg(env, R_GS, __USER_DS);
1629:
1630: #elif defined(TARGET_ARM)
1631: {
1632: int i;
1.1.1.3 root 1633: cpu_arm_set_model(env, ARM_CPUID_ARM1026);
1.1.1.2 root 1634: cpsr_write(env, regs->uregs[16], 0xffffffff);
1.1 root 1635: for(i = 0; i < 16; i++) {
1636: env->regs[i] = regs->uregs[i];
1637: }
1638: ts->stack_base = info->start_stack;
1639: ts->heap_base = info->brk;
1640: /* This will be filled in on the first SYS_HEAPINFO call. */
1641: ts->heap_limit = 0;
1642: }
1643: #elif defined(TARGET_SPARC)
1644: {
1645: int i;
1646: env->pc = regs->pc;
1647: env->npc = regs->npc;
1648: env->y = regs->y;
1649: for(i = 0; i < 8; i++)
1650: env->gregs[i] = regs->u_regs[i];
1651: for(i = 0; i < 8; i++)
1652: env->regwptr[i] = regs->u_regs[i + 8];
1653: }
1654: #elif defined(TARGET_PPC)
1655: {
1656: ppc_def_t *def;
1657: int i;
1658:
1659: /* Choose and initialise CPU */
1660: /* XXX: CPU model (or PVR) should be provided on command line */
1661: // ppc_find_by_name("750gx", &def);
1662: // ppc_find_by_name("750fx", &def);
1663: // ppc_find_by_name("750p", &def);
1664: ppc_find_by_name("750", &def);
1665: // ppc_find_by_name("G3", &def);
1666: // ppc_find_by_name("604r", &def);
1667: // ppc_find_by_name("604e", &def);
1668: // ppc_find_by_name("604", &def);
1669: if (def == NULL) {
1.1.1.2 root 1670: cpu_abort(env,
1.1 root 1671: "Unable to find PowerPC CPU definition\n");
1672: }
1.1.1.2 root 1673: cpu_ppc_register(env, def);
1.1 root 1674:
1675: for (i = 0; i < 32; i++) {
1676: if (i != 12 && i != 6 && i != 13)
1677: env->msr[i] = (regs->msr >> i) & 1;
1678: }
1679: env->nip = regs->nip;
1680: for(i = 0; i < 32; i++) {
1681: env->gpr[i] = regs->gpr[i];
1682: }
1683: }
1.1.1.2 root 1684: #elif defined(TARGET_MIPS)
1685: {
1686: int i;
1687:
1688: for(i = 0; i < 32; i++) {
1689: env->gpr[i] = regs->regs[i];
1690: }
1691: env->PC = regs->cp0_epc;
1.1.1.4 ! root 1692: #ifdef MIPS_USES_FPU
! 1693: env->CP0_Status |= (1 << CP0St_CU1);
! 1694: #endif
1.1.1.2 root 1695: }
1.1.1.3 root 1696: #elif defined(TARGET_SH4)
1697: {
1698: int i;
1699:
1700: for(i = 0; i < 16; i++) {
1701: env->gregs[i] = regs->regs[i];
1702: }
1703: env->pc = regs->pc;
1704: }
1.1 root 1705: #else
1706: #error unsupported target CPU
1707: #endif
1708:
1.1.1.2 root 1709: if (gdbstub_port) {
1710: gdbserver_start (gdbstub_port);
1.1 root 1711: gdb_handlesig(env, 0);
1712: }
1713: cpu_loop(env);
1714: /* never exits */
1715: return 0;
1716: }
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