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1.1 root 1: /*
2: * qemu user main
1.1.1.6 root 3: *
4: * Copyright (c) 2003-2008 Fabrice Bellard
1.1 root 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
1.1.1.8 root 17: * along with this program; if not, see <http://www.gnu.org/licenses/>.
1.1 root 18: */
19: #include <stdlib.h>
20: #include <stdio.h>
21: #include <stdarg.h>
22: #include <string.h>
23: #include <errno.h>
24: #include <unistd.h>
1.1.1.7 root 25: #include <sys/mman.h>
1.1.1.8 root 26: #include <sys/syscall.h>
1.1.1.11 root 27: #include <sys/resource.h>
1.1 root 28:
29: #include "qemu.h"
1.1.1.7 root 30: #include "qemu-common.h"
31: #include "cache-utils.h"
1.1.1.13! root 32: #include "cpu.h"
1.1.1.11 root 33: #include "tcg.h"
34: #include "qemu-timer.h"
1.1.1.7 root 35: #include "envlist.h"
1.1 root 36:
37: #define DEBUG_LOGFILE "/tmp/qemu.log"
38:
1.1.1.7 root 39: char *exec_path;
40:
1.1.1.8 root 41: int singlestep;
1.1.1.9 root 42: unsigned long mmap_min_addr;
1.1.1.11 root 43: #if defined(CONFIG_USE_GUEST_BASE)
1.1.1.9 root 44: unsigned long guest_base;
45: int have_guest_base;
1.1.1.11 root 46: unsigned long reserved_va;
1.1.1.9 root 47: #endif
1.1.1.8 root 48:
1.1.1.11 root 49: static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
1.1.1.4 root 50: const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
1.1 root 51:
52: /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
53: we allocate a bigger stack. Need a better solution, for example
54: by remapping the process stack directly at the right place */
1.1.1.11 root 55: unsigned long guest_stack_size = 8 * 1024 * 1024UL;
1.1 root 56:
57: void gemu_log(const char *fmt, ...)
58: {
59: va_list ap;
60:
61: va_start(ap, fmt);
62: vfprintf(stderr, fmt, ap);
63: va_end(ap);
64: }
65:
1.1.1.7 root 66: #if defined(TARGET_I386)
1.1 root 67: int cpu_get_pic_interrupt(CPUState *env)
68: {
69: return -1;
70: }
1.1.1.7 root 71: #endif
1.1 root 72:
73: /* timers for rdtsc */
74:
1.1.1.4 root 75: #if 0
1.1 root 76:
77: static uint64_t emu_time;
78:
79: int64_t cpu_get_real_ticks(void)
80: {
81: return emu_time++;
82: }
83:
84: #endif
85:
1.1.1.9 root 86: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 87: /***********************************************************/
88: /* Helper routines for implementing atomic operations. */
89:
90: /* To implement exclusive operations we force all cpus to syncronise.
91: We don't require a full sync, only that no cpus are executing guest code.
92: The alternative is to map target atomic ops onto host equivalents,
93: which requires quite a lot of per host/target work. */
1.1.1.8 root 94: static pthread_mutex_t cpu_list_mutex = PTHREAD_MUTEX_INITIALIZER;
1.1.1.7 root 95: static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER;
96: static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER;
97: static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER;
98: static int pending_cpus;
99:
100: /* Make sure everything is in a consistent state for calling fork(). */
101: void fork_start(void)
102: {
103: pthread_mutex_lock(&tb_lock);
104: pthread_mutex_lock(&exclusive_lock);
1.1.1.11 root 105: mmap_fork_start();
1.1.1.7 root 106: }
107:
108: void fork_end(int child)
109: {
1.1.1.11 root 110: mmap_fork_end(child);
1.1.1.7 root 111: if (child) {
112: /* Child processes created by fork() only have a single thread.
113: Discard information about the parent threads. */
114: first_cpu = thread_env;
115: thread_env->next_cpu = NULL;
116: pending_cpus = 0;
117: pthread_mutex_init(&exclusive_lock, NULL);
1.1.1.8 root 118: pthread_mutex_init(&cpu_list_mutex, NULL);
1.1.1.7 root 119: pthread_cond_init(&exclusive_cond, NULL);
120: pthread_cond_init(&exclusive_resume, NULL);
121: pthread_mutex_init(&tb_lock, NULL);
122: gdbserver_fork(thread_env);
123: } else {
124: pthread_mutex_unlock(&exclusive_lock);
125: pthread_mutex_unlock(&tb_lock);
126: }
127: }
128:
129: /* Wait for pending exclusive operations to complete. The exclusive lock
130: must be held. */
131: static inline void exclusive_idle(void)
132: {
133: while (pending_cpus) {
134: pthread_cond_wait(&exclusive_resume, &exclusive_lock);
135: }
136: }
137:
138: /* Start an exclusive operation.
139: Must only be called from outside cpu_arm_exec. */
140: static inline void start_exclusive(void)
141: {
142: CPUState *other;
143: pthread_mutex_lock(&exclusive_lock);
144: exclusive_idle();
145:
146: pending_cpus = 1;
147: /* Make all other cpus stop executing. */
148: for (other = first_cpu; other; other = other->next_cpu) {
149: if (other->running) {
150: pending_cpus++;
1.1.1.8 root 151: cpu_exit(other);
1.1.1.7 root 152: }
153: }
154: if (pending_cpus > 1) {
155: pthread_cond_wait(&exclusive_cond, &exclusive_lock);
156: }
157: }
158:
159: /* Finish an exclusive operation. */
160: static inline void end_exclusive(void)
161: {
162: pending_cpus = 0;
163: pthread_cond_broadcast(&exclusive_resume);
164: pthread_mutex_unlock(&exclusive_lock);
165: }
166:
167: /* Wait for exclusive ops to finish, and begin cpu execution. */
168: static inline void cpu_exec_start(CPUState *env)
169: {
170: pthread_mutex_lock(&exclusive_lock);
171: exclusive_idle();
172: env->running = 1;
173: pthread_mutex_unlock(&exclusive_lock);
174: }
175:
176: /* Mark cpu as not executing, and release pending exclusive ops. */
177: static inline void cpu_exec_end(CPUState *env)
178: {
179: pthread_mutex_lock(&exclusive_lock);
180: env->running = 0;
181: if (pending_cpus > 1) {
182: pending_cpus--;
183: if (pending_cpus == 1) {
184: pthread_cond_signal(&exclusive_cond);
185: }
186: }
187: exclusive_idle();
188: pthread_mutex_unlock(&exclusive_lock);
189: }
1.1.1.8 root 190:
191: void cpu_list_lock(void)
192: {
193: pthread_mutex_lock(&cpu_list_mutex);
194: }
195:
196: void cpu_list_unlock(void)
197: {
198: pthread_mutex_unlock(&cpu_list_mutex);
199: }
1.1.1.9 root 200: #else /* if !CONFIG_USE_NPTL */
1.1.1.7 root 201: /* These are no-ops because we are not threadsafe. */
202: static inline void cpu_exec_start(CPUState *env)
203: {
204: }
205:
206: static inline void cpu_exec_end(CPUState *env)
207: {
208: }
209:
210: static inline void start_exclusive(void)
211: {
212: }
213:
214: static inline void end_exclusive(void)
215: {
216: }
217:
218: void fork_start(void)
219: {
220: }
221:
222: void fork_end(int child)
223: {
224: if (child) {
225: gdbserver_fork(thread_env);
226: }
227: }
1.1.1.8 root 228:
229: void cpu_list_lock(void)
230: {
231: }
232:
233: void cpu_list_unlock(void)
234: {
235: }
1.1.1.7 root 236: #endif
237:
238:
1.1 root 239: #ifdef TARGET_I386
240: /***********************************************************/
241: /* CPUX86 core interface */
242:
1.1.1.5 root 243: void cpu_smm_update(CPUState *env)
244: {
245: }
246:
1.1 root 247: uint64_t cpu_get_tsc(CPUX86State *env)
248: {
249: return cpu_get_real_ticks();
250: }
251:
1.1.1.6 root 252: static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
1.1 root 253: int flags)
254: {
255: unsigned int e1, e2;
1.1.1.3 root 256: uint32_t *p;
1.1 root 257: e1 = (addr << 16) | (limit & 0xffff);
258: e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
259: e2 |= flags;
1.1.1.3 root 260: p = ptr;
1.1.1.7 root 261: p[0] = tswap32(e1);
262: p[1] = tswap32(e2);
1.1 root 263: }
264:
1.1.1.7 root 265: static uint64_t *idt_table;
266: #ifdef TARGET_X86_64
1.1.1.6 root 267: static void set_gate64(void *ptr, unsigned int type, unsigned int dpl,
268: uint64_t addr, unsigned int sel)
1.1 root 269: {
1.1.1.6 root 270: uint32_t *p, e1, e2;
1.1 root 271: e1 = (addr & 0xffff) | (sel << 16);
272: e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
1.1.1.3 root 273: p = ptr;
1.1.1.6 root 274: p[0] = tswap32(e1);
275: p[1] = tswap32(e2);
276: p[2] = tswap32(addr >> 32);
277: p[3] = 0;
1.1 root 278: }
1.1.1.6 root 279: /* only dpl matters as we do only user space emulation */
280: static void set_idt(int n, unsigned int dpl)
281: {
282: set_gate64(idt_table + n * 2, 0, dpl, 0, 0);
283: }
284: #else
285: static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
286: uint32_t addr, unsigned int sel)
287: {
288: uint32_t *p, e1, e2;
289: e1 = (addr & 0xffff) | (sel << 16);
290: e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
291: p = ptr;
292: p[0] = tswap32(e1);
293: p[1] = tswap32(e2);
294: }
295:
1.1 root 296: /* only dpl matters as we do only user space emulation */
297: static void set_idt(int n, unsigned int dpl)
298: {
299: set_gate(idt_table + n, 0, dpl, 0, 0);
300: }
1.1.1.6 root 301: #endif
1.1 root 302:
303: void cpu_loop(CPUX86State *env)
304: {
305: int trapnr;
1.1.1.6 root 306: abi_ulong pc;
1.1 root 307: target_siginfo_t info;
308:
309: for(;;) {
310: trapnr = cpu_x86_exec(env);
311: switch(trapnr) {
312: case 0x80:
1.1.1.6 root 313: /* linux syscall from int $0x80 */
314: env->regs[R_EAX] = do_syscall(env,
315: env->regs[R_EAX],
1.1 root 316: env->regs[R_EBX],
317: env->regs[R_ECX],
318: env->regs[R_EDX],
319: env->regs[R_ESI],
320: env->regs[R_EDI],
1.1.1.13! root 321: env->regs[R_EBP],
! 322: 0, 0);
1.1 root 323: break;
1.1.1.6 root 324: #ifndef TARGET_ABI32
325: case EXCP_SYSCALL:
1.1.1.13! root 326: /* linux syscall from syscall instruction */
1.1.1.6 root 327: env->regs[R_EAX] = do_syscall(env,
328: env->regs[R_EAX],
329: env->regs[R_EDI],
330: env->regs[R_ESI],
331: env->regs[R_EDX],
332: env->regs[10],
333: env->regs[8],
1.1.1.13! root 334: env->regs[9],
! 335: 0, 0);
1.1.1.6 root 336: env->eip = env->exception_next_eip;
337: break;
338: #endif
1.1 root 339: case EXCP0B_NOSEG:
340: case EXCP0C_STACK:
341: info.si_signo = SIGBUS;
342: info.si_errno = 0;
343: info.si_code = TARGET_SI_KERNEL;
344: info._sifields._sigfault._addr = 0;
1.1.1.7 root 345: queue_signal(env, info.si_signo, &info);
1.1 root 346: break;
347: case EXCP0D_GPF:
1.1.1.6 root 348: /* XXX: potential problem if ABI32 */
349: #ifndef TARGET_X86_64
1.1 root 350: if (env->eflags & VM_MASK) {
351: handle_vm86_fault(env);
1.1.1.6 root 352: } else
353: #endif
354: {
1.1 root 355: info.si_signo = SIGSEGV;
356: info.si_errno = 0;
357: info.si_code = TARGET_SI_KERNEL;
358: info._sifields._sigfault._addr = 0;
1.1.1.7 root 359: queue_signal(env, info.si_signo, &info);
1.1 root 360: }
361: break;
362: case EXCP0E_PAGE:
363: info.si_signo = SIGSEGV;
364: info.si_errno = 0;
365: if (!(env->error_code & 1))
366: info.si_code = TARGET_SEGV_MAPERR;
367: else
368: info.si_code = TARGET_SEGV_ACCERR;
369: info._sifields._sigfault._addr = env->cr[2];
1.1.1.7 root 370: queue_signal(env, info.si_signo, &info);
1.1 root 371: break;
372: case EXCP00_DIVZ:
1.1.1.6 root 373: #ifndef TARGET_X86_64
1.1 root 374: if (env->eflags & VM_MASK) {
375: handle_vm86_trap(env, trapnr);
1.1.1.6 root 376: } else
377: #endif
378: {
1.1 root 379: /* division by zero */
380: info.si_signo = SIGFPE;
381: info.si_errno = 0;
382: info.si_code = TARGET_FPE_INTDIV;
383: info._sifields._sigfault._addr = env->eip;
1.1.1.7 root 384: queue_signal(env, info.si_signo, &info);
1.1 root 385: }
386: break;
1.1.1.7 root 387: case EXCP01_DB:
1.1 root 388: case EXCP03_INT3:
1.1.1.6 root 389: #ifndef TARGET_X86_64
1.1 root 390: if (env->eflags & VM_MASK) {
391: handle_vm86_trap(env, trapnr);
1.1.1.6 root 392: } else
393: #endif
394: {
1.1 root 395: info.si_signo = SIGTRAP;
396: info.si_errno = 0;
1.1.1.7 root 397: if (trapnr == EXCP01_DB) {
1.1 root 398: info.si_code = TARGET_TRAP_BRKPT;
399: info._sifields._sigfault._addr = env->eip;
400: } else {
401: info.si_code = TARGET_SI_KERNEL;
402: info._sifields._sigfault._addr = 0;
403: }
1.1.1.7 root 404: queue_signal(env, info.si_signo, &info);
1.1 root 405: }
406: break;
407: case EXCP04_INTO:
408: case EXCP05_BOUND:
1.1.1.6 root 409: #ifndef TARGET_X86_64
1.1 root 410: if (env->eflags & VM_MASK) {
411: handle_vm86_trap(env, trapnr);
1.1.1.6 root 412: } else
413: #endif
414: {
1.1 root 415: info.si_signo = SIGSEGV;
416: info.si_errno = 0;
417: info.si_code = TARGET_SI_KERNEL;
418: info._sifields._sigfault._addr = 0;
1.1.1.7 root 419: queue_signal(env, info.si_signo, &info);
1.1 root 420: }
421: break;
422: case EXCP06_ILLOP:
423: info.si_signo = SIGILL;
424: info.si_errno = 0;
425: info.si_code = TARGET_ILL_ILLOPN;
426: info._sifields._sigfault._addr = env->eip;
1.1.1.7 root 427: queue_signal(env, info.si_signo, &info);
1.1 root 428: break;
429: case EXCP_INTERRUPT:
430: /* just indicate that signals should be handled asap */
431: break;
432: case EXCP_DEBUG:
433: {
434: int sig;
435:
436: sig = gdb_handlesig (env, TARGET_SIGTRAP);
437: if (sig)
438: {
439: info.si_signo = sig;
440: info.si_errno = 0;
441: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 442: queue_signal(env, info.si_signo, &info);
1.1 root 443: }
444: }
445: break;
446: default:
447: pc = env->segs[R_CS].base + env->eip;
1.1.1.6 root 448: fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
1.1 root 449: (long)pc, trapnr);
450: abort();
451: }
452: process_pending_signals(env);
453: }
454: }
455: #endif
456:
457: #ifdef TARGET_ARM
458:
1.1.1.7 root 459: /* Handle a jump to the kernel code page. */
460: static int
461: do_kernel_trap(CPUARMState *env)
462: {
463: uint32_t addr;
464: uint32_t cpsr;
465: uint32_t val;
466:
467: switch (env->regs[15]) {
468: case 0xffff0fa0: /* __kernel_memory_barrier */
469: /* ??? No-op. Will need to do better for SMP. */
470: break;
471: case 0xffff0fc0: /* __kernel_cmpxchg */
472: /* XXX: This only works between threads, not between processes.
473: It's probably possible to implement this with native host
474: operations. However things like ldrex/strex are much harder so
475: there's not much point trying. */
476: start_exclusive();
477: cpsr = cpsr_read(env);
478: addr = env->regs[2];
479: /* FIXME: This should SEGV if the access fails. */
480: if (get_user_u32(val, addr))
481: val = ~env->regs[0];
482: if (val == env->regs[0]) {
483: val = env->regs[1];
484: /* FIXME: Check for segfaults. */
485: put_user_u32(val, addr);
486: env->regs[0] = 0;
487: cpsr |= CPSR_C;
488: } else {
489: env->regs[0] = -1;
490: cpsr &= ~CPSR_C;
491: }
492: cpsr_write(env, cpsr, CPSR_C);
493: end_exclusive();
494: break;
495: case 0xffff0fe0: /* __kernel_get_tls */
496: env->regs[0] = env->cp15.c13_tls2;
497: break;
498: default:
499: return 1;
500: }
501: /* Jump back to the caller. */
502: addr = env->regs[14];
503: if (addr & 1) {
504: env->thumb = 1;
505: addr &= ~1;
506: }
507: env->regs[15] = addr;
508:
509: return 0;
510: }
511:
1.1.1.9 root 512: static int do_strex(CPUARMState *env)
513: {
514: uint32_t val;
515: int size;
516: int rc = 1;
517: int segv = 0;
518: uint32_t addr;
519: start_exclusive();
520: addr = env->exclusive_addr;
521: if (addr != env->exclusive_test) {
522: goto fail;
523: }
524: size = env->exclusive_info & 0xf;
525: switch (size) {
526: case 0:
527: segv = get_user_u8(val, addr);
528: break;
529: case 1:
530: segv = get_user_u16(val, addr);
531: break;
532: case 2:
533: case 3:
534: segv = get_user_u32(val, addr);
535: break;
1.1.1.11 root 536: default:
537: abort();
1.1.1.9 root 538: }
539: if (segv) {
540: env->cp15.c6_data = addr;
541: goto done;
542: }
543: if (val != env->exclusive_val) {
544: goto fail;
545: }
546: if (size == 3) {
547: segv = get_user_u32(val, addr + 4);
548: if (segv) {
549: env->cp15.c6_data = addr + 4;
550: goto done;
551: }
552: if (val != env->exclusive_high) {
553: goto fail;
554: }
555: }
556: val = env->regs[(env->exclusive_info >> 8) & 0xf];
557: switch (size) {
558: case 0:
559: segv = put_user_u8(val, addr);
560: break;
561: case 1:
562: segv = put_user_u16(val, addr);
563: break;
564: case 2:
565: case 3:
566: segv = put_user_u32(val, addr);
567: break;
568: }
569: if (segv) {
570: env->cp15.c6_data = addr;
571: goto done;
572: }
573: if (size == 3) {
574: val = env->regs[(env->exclusive_info >> 12) & 0xf];
1.1.1.12 root 575: segv = put_user_u32(val, addr + 4);
1.1.1.9 root 576: if (segv) {
577: env->cp15.c6_data = addr + 4;
578: goto done;
579: }
580: }
581: rc = 0;
582: fail:
583: env->regs[15] += 4;
584: env->regs[(env->exclusive_info >> 4) & 0xf] = rc;
585: done:
586: end_exclusive();
587: return segv;
588: }
589:
1.1 root 590: void cpu_loop(CPUARMState *env)
591: {
592: int trapnr;
593: unsigned int n, insn;
594: target_siginfo_t info;
1.1.1.2 root 595: uint32_t addr;
1.1.1.6 root 596:
1.1 root 597: for(;;) {
1.1.1.7 root 598: cpu_exec_start(env);
1.1 root 599: trapnr = cpu_arm_exec(env);
1.1.1.7 root 600: cpu_exec_end(env);
1.1 root 601: switch(trapnr) {
602: case EXCP_UDEF:
603: {
604: TaskState *ts = env->opaque;
605: uint32_t opcode;
1.1.1.7 root 606: int rc;
1.1 root 607:
608: /* we handle the FPU emulation here, as Linux */
609: /* we get the opcode */
1.1.1.6 root 610: /* FIXME - what to do if get_user() fails? */
611: get_user_u32(opcode, env->regs[15]);
612:
1.1.1.7 root 613: rc = EmulateAll(opcode, &ts->fpa, env);
614: if (rc == 0) { /* illegal instruction */
1.1 root 615: info.si_signo = SIGILL;
616: info.si_errno = 0;
617: info.si_code = TARGET_ILL_ILLOPN;
618: info._sifields._sigfault._addr = env->regs[15];
1.1.1.7 root 619: queue_signal(env, info.si_signo, &info);
620: } else if (rc < 0) { /* FP exception */
621: int arm_fpe=0;
622:
623: /* translate softfloat flags to FPSR flags */
624: if (-rc & float_flag_invalid)
625: arm_fpe |= BIT_IOC;
626: if (-rc & float_flag_divbyzero)
627: arm_fpe |= BIT_DZC;
628: if (-rc & float_flag_overflow)
629: arm_fpe |= BIT_OFC;
630: if (-rc & float_flag_underflow)
631: arm_fpe |= BIT_UFC;
632: if (-rc & float_flag_inexact)
633: arm_fpe |= BIT_IXC;
634:
635: FPSR fpsr = ts->fpa.fpsr;
636: //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe);
637:
638: if (fpsr & (arm_fpe << 16)) { /* exception enabled? */
639: info.si_signo = SIGFPE;
640: info.si_errno = 0;
641:
642: /* ordered by priority, least first */
643: if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES;
644: if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND;
645: if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF;
646: if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV;
647: if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV;
648:
649: info._sifields._sigfault._addr = env->regs[15];
650: queue_signal(env, info.si_signo, &info);
651: } else {
652: env->regs[15] += 4;
653: }
654:
655: /* accumulate unenabled exceptions */
656: if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC))
657: fpsr |= BIT_IXC;
658: if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC))
659: fpsr |= BIT_UFC;
660: if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC))
661: fpsr |= BIT_OFC;
662: if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC))
663: fpsr |= BIT_DZC;
664: if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC))
665: fpsr |= BIT_IOC;
666: ts->fpa.fpsr=fpsr;
667: } else { /* everything OK */
1.1 root 668: /* increment PC */
669: env->regs[15] += 4;
670: }
671: }
672: break;
673: case EXCP_SWI:
1.1.1.3 root 674: case EXCP_BKPT:
1.1 root 675: {
1.1.1.3 root 676: env->eabi = 1;
1.1 root 677: /* system call */
1.1.1.3 root 678: if (trapnr == EXCP_BKPT) {
679: if (env->thumb) {
1.1.1.6 root 680: /* FIXME - what to do if get_user() fails? */
681: get_user_u16(insn, env->regs[15]);
1.1.1.3 root 682: n = insn & 0xff;
683: env->regs[15] += 2;
684: } else {
1.1.1.6 root 685: /* FIXME - what to do if get_user() fails? */
686: get_user_u32(insn, env->regs[15]);
1.1.1.3 root 687: n = (insn & 0xf) | ((insn >> 4) & 0xff0);
688: env->regs[15] += 4;
689: }
1.1 root 690: } else {
1.1.1.3 root 691: if (env->thumb) {
1.1.1.6 root 692: /* FIXME - what to do if get_user() fails? */
693: get_user_u16(insn, env->regs[15] - 2);
1.1.1.3 root 694: n = insn & 0xff;
695: } else {
1.1.1.6 root 696: /* FIXME - what to do if get_user() fails? */
697: get_user_u32(insn, env->regs[15] - 4);
1.1.1.3 root 698: n = insn & 0xffffff;
699: }
1.1 root 700: }
701:
702: if (n == ARM_NR_cacheflush) {
1.1.1.13! root 703: /* nop */
1.1 root 704: } else if (n == ARM_NR_semihosting
705: || n == ARM_NR_thumb_semihosting) {
706: env->regs[0] = do_arm_semihosting (env);
1.1.1.3 root 707: } else if (n == 0 || n >= ARM_SYSCALL_BASE
1.1 root 708: || (env->thumb && n == ARM_THUMB_SYSCALL)) {
709: /* linux syscall */
1.1.1.3 root 710: if (env->thumb || n == 0) {
1.1 root 711: n = env->regs[7];
712: } else {
713: n -= ARM_SYSCALL_BASE;
1.1.1.3 root 714: env->eabi = 0;
1.1 root 715: }
1.1.1.7 root 716: if ( n > ARM_NR_BASE) {
717: switch (n) {
718: case ARM_NR_cacheflush:
1.1.1.13! root 719: /* nop */
1.1.1.7 root 720: break;
721: case ARM_NR_set_tls:
722: cpu_set_tls(env, env->regs[0]);
723: env->regs[0] = 0;
724: break;
725: default:
726: gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
727: n);
728: env->regs[0] = -TARGET_ENOSYS;
729: break;
730: }
731: } else {
732: env->regs[0] = do_syscall(env,
733: n,
734: env->regs[0],
735: env->regs[1],
736: env->regs[2],
737: env->regs[3],
738: env->regs[4],
1.1.1.13! root 739: env->regs[5],
! 740: 0, 0);
1.1.1.7 root 741: }
1.1 root 742: } else {
743: goto error;
744: }
745: }
746: break;
747: case EXCP_INTERRUPT:
748: /* just indicate that signals should be handled asap */
749: break;
750: case EXCP_PREFETCH_ABORT:
1.1.1.7 root 751: addr = env->cp15.c6_insn;
1.1.1.2 root 752: goto do_segv;
1.1 root 753: case EXCP_DATA_ABORT:
1.1.1.7 root 754: addr = env->cp15.c6_data;
1.1.1.2 root 755: goto do_segv;
756: do_segv:
1.1 root 757: {
758: info.si_signo = SIGSEGV;
759: info.si_errno = 0;
760: /* XXX: check env->error_code */
761: info.si_code = TARGET_SEGV_MAPERR;
1.1.1.2 root 762: info._sifields._sigfault._addr = addr;
1.1.1.7 root 763: queue_signal(env, info.si_signo, &info);
1.1 root 764: }
765: break;
766: case EXCP_DEBUG:
767: {
768: int sig;
769:
770: sig = gdb_handlesig (env, TARGET_SIGTRAP);
771: if (sig)
772: {
773: info.si_signo = sig;
774: info.si_errno = 0;
775: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 776: queue_signal(env, info.si_signo, &info);
1.1 root 777: }
778: }
779: break;
1.1.1.7 root 780: case EXCP_KERNEL_TRAP:
781: if (do_kernel_trap(env))
782: goto error;
783: break;
1.1.1.9 root 784: case EXCP_STREX:
785: if (do_strex(env)) {
786: addr = env->cp15.c6_data;
787: goto do_segv;
788: }
789: break;
1.1 root 790: default:
791: error:
1.1.1.6 root 792: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1.1 root 793: trapnr);
794: cpu_dump_state(env, stderr, fprintf, 0);
795: abort();
796: }
797: process_pending_signals(env);
798: }
799: }
800:
801: #endif
802:
1.1.1.13! root 803: #ifdef TARGET_UNICORE32
! 804:
! 805: void cpu_loop(CPUState *env)
! 806: {
! 807: int trapnr;
! 808: unsigned int n, insn;
! 809: target_siginfo_t info;
! 810:
! 811: for (;;) {
! 812: cpu_exec_start(env);
! 813: trapnr = uc32_cpu_exec(env);
! 814: cpu_exec_end(env);
! 815: switch (trapnr) {
! 816: case UC32_EXCP_PRIV:
! 817: {
! 818: /* system call */
! 819: get_user_u32(insn, env->regs[31] - 4);
! 820: n = insn & 0xffffff;
! 821:
! 822: if (n >= UC32_SYSCALL_BASE) {
! 823: /* linux syscall */
! 824: n -= UC32_SYSCALL_BASE;
! 825: if (n == UC32_SYSCALL_NR_set_tls) {
! 826: cpu_set_tls(env, env->regs[0]);
! 827: env->regs[0] = 0;
! 828: } else {
! 829: env->regs[0] = do_syscall(env,
! 830: n,
! 831: env->regs[0],
! 832: env->regs[1],
! 833: env->regs[2],
! 834: env->regs[3],
! 835: env->regs[4],
! 836: env->regs[5],
! 837: 0, 0);
! 838: }
! 839: } else {
! 840: goto error;
! 841: }
! 842: }
! 843: break;
! 844: case UC32_EXCP_TRAP:
! 845: info.si_signo = SIGSEGV;
! 846: info.si_errno = 0;
! 847: /* XXX: check env->error_code */
! 848: info.si_code = TARGET_SEGV_MAPERR;
! 849: info._sifields._sigfault._addr = env->cp0.c4_faultaddr;
! 850: queue_signal(env, info.si_signo, &info);
! 851: break;
! 852: case EXCP_INTERRUPT:
! 853: /* just indicate that signals should be handled asap */
! 854: break;
! 855: case EXCP_DEBUG:
! 856: {
! 857: int sig;
! 858:
! 859: sig = gdb_handlesig(env, TARGET_SIGTRAP);
! 860: if (sig) {
! 861: info.si_signo = sig;
! 862: info.si_errno = 0;
! 863: info.si_code = TARGET_TRAP_BRKPT;
! 864: queue_signal(env, info.si_signo, &info);
! 865: }
! 866: }
! 867: break;
! 868: default:
! 869: goto error;
! 870: }
! 871: process_pending_signals(env);
! 872: }
! 873:
! 874: error:
! 875: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr);
! 876: cpu_dump_state(env, stderr, fprintf, 0);
! 877: abort();
! 878: }
! 879: #endif
! 880:
1.1 root 881: #ifdef TARGET_SPARC
1.1.1.7 root 882: #define SPARC64_STACK_BIAS 2047
1.1 root 883:
884: //#define DEBUG_WIN
885:
886: /* WARNING: dealing with register windows _is_ complicated. More info
887: can be found at http://www.sics.se/~psm/sparcstack.html */
888: static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
889: {
1.1.1.7 root 890: index = (index + cwp * 16) % (16 * env->nwindows);
1.1 root 891: /* wrap handling : if cwp is on the last window, then we use the
892: registers 'after' the end */
1.1.1.7 root 893: if (index < 8 && env->cwp == env->nwindows - 1)
894: index += 16 * env->nwindows;
1.1 root 895: return index;
896: }
897:
898: /* save the register window 'cwp1' */
899: static inline void save_window_offset(CPUSPARCState *env, int cwp1)
900: {
901: unsigned int i;
1.1.1.6 root 902: abi_ulong sp_ptr;
903:
1.1.1.3 root 904: sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
1.1.1.7 root 905: #ifdef TARGET_SPARC64
906: if (sp_ptr & 3)
907: sp_ptr += SPARC64_STACK_BIAS;
908: #endif
1.1 root 909: #if defined(DEBUG_WIN)
1.1.1.7 root 910: printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n",
911: sp_ptr, cwp1);
1.1 root 912: #endif
913: for(i = 0; i < 16; i++) {
1.1.1.6 root 914: /* FIXME - what to do if put_user() fails? */
915: put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
916: sp_ptr += sizeof(abi_ulong);
1.1 root 917: }
918: }
919:
920: static void save_window(CPUSPARCState *env)
921: {
1.1.1.4 root 922: #ifndef TARGET_SPARC64
1.1 root 923: unsigned int new_wim;
1.1.1.7 root 924: new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) &
925: ((1LL << env->nwindows) - 1);
926: save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
1.1 root 927: env->wim = new_wim;
1.1.1.4 root 928: #else
1.1.1.7 root 929: save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
1.1.1.4 root 930: env->cansave++;
931: env->canrestore--;
932: #endif
1.1 root 933: }
934:
935: static void restore_window(CPUSPARCState *env)
936: {
1.1.1.7 root 937: #ifndef TARGET_SPARC64
938: unsigned int new_wim;
939: #endif
940: unsigned int i, cwp1;
1.1.1.6 root 941: abi_ulong sp_ptr;
942:
1.1.1.7 root 943: #ifndef TARGET_SPARC64
944: new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) &
945: ((1LL << env->nwindows) - 1);
946: #endif
1.1.1.6 root 947:
1.1 root 948: /* restore the invalid window */
1.1.1.7 root 949: cwp1 = cpu_cwp_inc(env, env->cwp + 1);
1.1.1.3 root 950: sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
1.1.1.7 root 951: #ifdef TARGET_SPARC64
952: if (sp_ptr & 3)
953: sp_ptr += SPARC64_STACK_BIAS;
954: #endif
1.1 root 955: #if defined(DEBUG_WIN)
1.1.1.7 root 956: printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n",
957: sp_ptr, cwp1);
1.1 root 958: #endif
959: for(i = 0; i < 16; i++) {
1.1.1.6 root 960: /* FIXME - what to do if get_user() fails? */
961: get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
962: sp_ptr += sizeof(abi_ulong);
1.1 root 963: }
1.1.1.4 root 964: #ifdef TARGET_SPARC64
965: env->canrestore++;
1.1.1.7 root 966: if (env->cleanwin < env->nwindows - 1)
967: env->cleanwin++;
1.1.1.4 root 968: env->cansave--;
1.1.1.7 root 969: #else
970: env->wim = new_wim;
1.1.1.4 root 971: #endif
1.1 root 972: }
973:
974: static void flush_windows(CPUSPARCState *env)
975: {
976: int offset, cwp1;
977:
978: offset = 1;
979: for(;;) {
980: /* if restore would invoke restore_window(), then we can stop */
1.1.1.7 root 981: cwp1 = cpu_cwp_inc(env, env->cwp + offset);
982: #ifndef TARGET_SPARC64
1.1 root 983: if (env->wim & (1 << cwp1))
984: break;
1.1.1.7 root 985: #else
986: if (env->canrestore == 0)
987: break;
988: env->cansave++;
989: env->canrestore--;
990: #endif
1.1 root 991: save_window_offset(env, cwp1);
992: offset++;
993: }
1.1.1.7 root 994: cwp1 = cpu_cwp_inc(env, env->cwp + 1);
995: #ifndef TARGET_SPARC64
1.1 root 996: /* set wim so that restore will reload the registers */
997: env->wim = 1 << cwp1;
1.1.1.7 root 998: #endif
1.1 root 999: #if defined(DEBUG_WIN)
1000: printf("flush_windows: nb=%d\n", offset - 1);
1001: #endif
1002: }
1003:
1004: void cpu_loop (CPUSPARCState *env)
1005: {
1.1.1.11 root 1006: int trapnr;
1007: abi_long ret;
1.1 root 1008: target_siginfo_t info;
1.1.1.6 root 1009:
1.1 root 1010: while (1) {
1011: trapnr = cpu_sparc_exec (env);
1.1.1.6 root 1012:
1.1 root 1013: switch (trapnr) {
1.1.1.4 root 1014: #ifndef TARGET_SPARC64
1.1.1.6 root 1015: case 0x88:
1.1 root 1016: case 0x90:
1.1.1.4 root 1017: #else
1.1.1.6 root 1018: case 0x110:
1.1.1.4 root 1019: case 0x16d:
1020: #endif
1.1 root 1021: ret = do_syscall (env, env->gregs[1],
1.1.1.6 root 1022: env->regwptr[0], env->regwptr[1],
1023: env->regwptr[2], env->regwptr[3],
1.1.1.13! root 1024: env->regwptr[4], env->regwptr[5],
! 1025: 0, 0);
1.1.1.11 root 1026: if ((abi_ulong)ret >= (abi_ulong)(-515)) {
1.1.1.6 root 1027: #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
1.1.1.5 root 1028: env->xcc |= PSR_CARRY;
1029: #else
1.1 root 1030: env->psr |= PSR_CARRY;
1.1.1.5 root 1031: #endif
1.1 root 1032: ret = -ret;
1033: } else {
1.1.1.6 root 1034: #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
1.1.1.5 root 1035: env->xcc &= ~PSR_CARRY;
1036: #else
1.1 root 1037: env->psr &= ~PSR_CARRY;
1.1.1.5 root 1038: #endif
1.1 root 1039: }
1040: env->regwptr[0] = ret;
1041: /* next instruction */
1042: env->pc = env->npc;
1043: env->npc = env->npc + 4;
1044: break;
1045: case 0x83: /* flush windows */
1.1.1.6 root 1046: #ifdef TARGET_ABI32
1047: case 0x103:
1048: #endif
1.1 root 1049: flush_windows(env);
1050: /* next instruction */
1051: env->pc = env->npc;
1052: env->npc = env->npc + 4;
1053: break;
1054: #ifndef TARGET_SPARC64
1055: case TT_WIN_OVF: /* window overflow */
1056: save_window(env);
1057: break;
1058: case TT_WIN_UNF: /* window underflow */
1059: restore_window(env);
1060: break;
1061: case TT_TFAULT:
1062: case TT_DFAULT:
1063: {
1064: info.si_signo = SIGSEGV;
1065: info.si_errno = 0;
1066: /* XXX: check env->error_code */
1067: info.si_code = TARGET_SEGV_MAPERR;
1068: info._sifields._sigfault._addr = env->mmuregs[4];
1.1.1.7 root 1069: queue_signal(env, info.si_signo, &info);
1.1 root 1070: }
1071: break;
1072: #else
1.1.1.4 root 1073: case TT_SPILL: /* window overflow */
1074: save_window(env);
1075: break;
1076: case TT_FILL: /* window underflow */
1077: restore_window(env);
1078: break;
1.1.1.6 root 1079: case TT_TFAULT:
1080: case TT_DFAULT:
1081: {
1082: info.si_signo = SIGSEGV;
1083: info.si_errno = 0;
1084: /* XXX: check env->error_code */
1085: info.si_code = TARGET_SEGV_MAPERR;
1086: if (trapnr == TT_DFAULT)
1087: info._sifields._sigfault._addr = env->dmmuregs[4];
1088: else
1.1.1.9 root 1089: info._sifields._sigfault._addr = cpu_tsptr(env)->tpc;
1.1.1.7 root 1090: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 1091: }
1092: break;
1093: #ifndef TARGET_ABI32
1094: case 0x16e:
1095: flush_windows(env);
1096: sparc64_get_context(env);
1097: break;
1098: case 0x16f:
1099: flush_windows(env);
1100: sparc64_set_context(env);
1101: break;
1102: #endif
1.1 root 1103: #endif
1.1.1.4 root 1104: case EXCP_INTERRUPT:
1105: /* just indicate that signals should be handled asap */
1106: break;
1.1 root 1107: case EXCP_DEBUG:
1108: {
1109: int sig;
1110:
1111: sig = gdb_handlesig (env, TARGET_SIGTRAP);
1112: if (sig)
1113: {
1114: info.si_signo = sig;
1115: info.si_errno = 0;
1116: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 1117: queue_signal(env, info.si_signo, &info);
1.1 root 1118: }
1119: }
1120: break;
1121: default:
1122: printf ("Unhandled trap: 0x%x\n", trapnr);
1123: cpu_dump_state(env, stderr, fprintf, 0);
1124: exit (1);
1125: }
1126: process_pending_signals (env);
1127: }
1128: }
1129:
1130: #endif
1131:
1132: #ifdef TARGET_PPC
1133: static inline uint64_t cpu_ppc_get_tb (CPUState *env)
1134: {
1135: /* TO FIX */
1136: return 0;
1137: }
1.1.1.6 root 1138:
1.1.1.11 root 1139: uint64_t cpu_ppc_load_tbl (CPUState *env)
1.1 root 1140: {
1.1.1.11 root 1141: return cpu_ppc_get_tb(env);
1.1 root 1142: }
1.1.1.6 root 1143:
1.1 root 1144: uint32_t cpu_ppc_load_tbu (CPUState *env)
1145: {
1146: return cpu_ppc_get_tb(env) >> 32;
1147: }
1.1.1.6 root 1148:
1.1.1.11 root 1149: uint64_t cpu_ppc_load_atbl (CPUState *env)
1.1 root 1150: {
1.1.1.11 root 1151: return cpu_ppc_get_tb(env);
1.1 root 1152: }
1153:
1.1.1.6 root 1154: uint32_t cpu_ppc_load_atbu (CPUState *env)
1.1 root 1155: {
1.1.1.6 root 1156: return cpu_ppc_get_tb(env) >> 32;
1.1 root 1157: }
1.1.1.6 root 1158:
1159: uint32_t cpu_ppc601_load_rtcu (CPUState *env)
1160: __attribute__ (( alias ("cpu_ppc_load_tbu") ));
1161:
1162: uint32_t cpu_ppc601_load_rtcl (CPUState *env)
1.1 root 1163: {
1.1.1.6 root 1164: return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
1.1 root 1165: }
1.1.1.6 root 1166:
1167: /* XXX: to be fixed */
1.1.1.11 root 1168: int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp)
1.1 root 1169: {
1170: return -1;
1171: }
1.1.1.6 root 1172:
1.1.1.11 root 1173: int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val)
1.1 root 1174: {
1.1.1.6 root 1175: return -1;
1.1 root 1176: }
1.1.1.6 root 1177:
1.1.1.8 root 1178: #define EXCP_DUMP(env, fmt, ...) \
1179: do { \
1180: fprintf(stderr, fmt , ## __VA_ARGS__); \
1181: cpu_dump_state(env, stderr, fprintf, 0); \
1182: qemu_log(fmt, ## __VA_ARGS__); \
1183: if (logfile) \
1184: log_cpu_state(env, 0); \
1.1.1.6 root 1185: } while (0)
1186:
1.1.1.9 root 1187: static int do_store_exclusive(CPUPPCState *env)
1188: {
1189: target_ulong addr;
1190: target_ulong page_addr;
1191: target_ulong val;
1192: int flags;
1193: int segv = 0;
1194:
1195: addr = env->reserve_ea;
1196: page_addr = addr & TARGET_PAGE_MASK;
1197: start_exclusive();
1198: mmap_lock();
1199: flags = page_get_flags(page_addr);
1200: if ((flags & PAGE_READ) == 0) {
1201: segv = 1;
1202: } else {
1203: int reg = env->reserve_info & 0x1f;
1204: int size = (env->reserve_info >> 5) & 0xf;
1205: int stored = 0;
1206:
1207: if (addr == env->reserve_addr) {
1208: switch (size) {
1209: case 1: segv = get_user_u8(val, addr); break;
1210: case 2: segv = get_user_u16(val, addr); break;
1211: case 4: segv = get_user_u32(val, addr); break;
1212: #if defined(TARGET_PPC64)
1213: case 8: segv = get_user_u64(val, addr); break;
1214: #endif
1215: default: abort();
1216: }
1217: if (!segv && val == env->reserve_val) {
1218: val = env->gpr[reg];
1219: switch (size) {
1220: case 1: segv = put_user_u8(val, addr); break;
1221: case 2: segv = put_user_u16(val, addr); break;
1222: case 4: segv = put_user_u32(val, addr); break;
1223: #if defined(TARGET_PPC64)
1224: case 8: segv = put_user_u64(val, addr); break;
1225: #endif
1226: default: abort();
1227: }
1228: if (!segv) {
1229: stored = 1;
1230: }
1231: }
1232: }
1233: env->crf[0] = (stored << 1) | xer_so;
1234: env->reserve_addr = (target_ulong)-1;
1235: }
1236: if (!segv) {
1237: env->nip += 4;
1238: }
1239: mmap_unlock();
1240: end_exclusive();
1241: return segv;
1242: }
1243:
1.1 root 1244: void cpu_loop(CPUPPCState *env)
1245: {
1246: target_siginfo_t info;
1247: int trapnr;
1248: uint32_t ret;
1.1.1.6 root 1249:
1.1 root 1250: for(;;) {
1.1.1.9 root 1251: cpu_exec_start(env);
1.1 root 1252: trapnr = cpu_ppc_exec(env);
1.1.1.9 root 1253: cpu_exec_end(env);
1.1 root 1254: switch(trapnr) {
1.1.1.6 root 1255: case POWERPC_EXCP_NONE:
1256: /* Just go on */
1.1 root 1257: break;
1.1.1.6 root 1258: case POWERPC_EXCP_CRITICAL: /* Critical input */
1259: cpu_abort(env, "Critical interrupt while in user mode. "
1260: "Aborting\n");
1261: break;
1262: case POWERPC_EXCP_MCHECK: /* Machine check exception */
1263: cpu_abort(env, "Machine check exception while in user mode. "
1264: "Aborting\n");
1265: break;
1266: case POWERPC_EXCP_DSI: /* Data storage exception */
1.1.1.9 root 1267: EXCP_DUMP(env, "Invalid data memory access: 0x" TARGET_FMT_lx "\n",
1.1.1.6 root 1268: env->spr[SPR_DAR]);
1269: /* XXX: check this. Seems bugged */
1.1 root 1270: switch (env->error_code & 0xFF000000) {
1271: case 0x40000000:
1272: info.si_signo = TARGET_SIGSEGV;
1273: info.si_errno = 0;
1274: info.si_code = TARGET_SEGV_MAPERR;
1275: break;
1276: case 0x04000000:
1277: info.si_signo = TARGET_SIGILL;
1278: info.si_errno = 0;
1279: info.si_code = TARGET_ILL_ILLADR;
1280: break;
1281: case 0x08000000:
1282: info.si_signo = TARGET_SIGSEGV;
1283: info.si_errno = 0;
1284: info.si_code = TARGET_SEGV_ACCERR;
1285: break;
1286: default:
1287: /* Let's send a regular segfault... */
1.1.1.6 root 1288: EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1289: env->error_code);
1.1 root 1290: info.si_signo = TARGET_SIGSEGV;
1291: info.si_errno = 0;
1292: info.si_code = TARGET_SEGV_MAPERR;
1293: break;
1294: }
1295: info._sifields._sigfault._addr = env->nip;
1.1.1.7 root 1296: queue_signal(env, info.si_signo, &info);
1.1 root 1297: break;
1.1.1.6 root 1298: case POWERPC_EXCP_ISI: /* Instruction storage exception */
1.1.1.9 root 1299: EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" TARGET_FMT_lx
1300: "\n", env->spr[SPR_SRR0]);
1.1.1.6 root 1301: /* XXX: check this */
1.1 root 1302: switch (env->error_code & 0xFF000000) {
1303: case 0x40000000:
1304: info.si_signo = TARGET_SIGSEGV;
1305: info.si_errno = 0;
1306: info.si_code = TARGET_SEGV_MAPERR;
1307: break;
1308: case 0x10000000:
1309: case 0x08000000:
1310: info.si_signo = TARGET_SIGSEGV;
1311: info.si_errno = 0;
1312: info.si_code = TARGET_SEGV_ACCERR;
1313: break;
1314: default:
1315: /* Let's send a regular segfault... */
1.1.1.6 root 1316: EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1317: env->error_code);
1.1 root 1318: info.si_signo = TARGET_SIGSEGV;
1319: info.si_errno = 0;
1320: info.si_code = TARGET_SEGV_MAPERR;
1321: break;
1322: }
1323: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1324: queue_signal(env, info.si_signo, &info);
1.1 root 1325: break;
1.1.1.6 root 1326: case POWERPC_EXCP_EXTERNAL: /* External input */
1327: cpu_abort(env, "External interrupt while in user mode. "
1328: "Aborting\n");
1329: break;
1330: case POWERPC_EXCP_ALIGN: /* Alignment exception */
1331: EXCP_DUMP(env, "Unaligned memory access\n");
1332: /* XXX: check this */
1.1 root 1333: info.si_signo = TARGET_SIGBUS;
1334: info.si_errno = 0;
1335: info.si_code = TARGET_BUS_ADRALN;
1336: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1337: queue_signal(env, info.si_signo, &info);
1.1 root 1338: break;
1.1.1.6 root 1339: case POWERPC_EXCP_PROGRAM: /* Program exception */
1340: /* XXX: check this */
1.1 root 1341: switch (env->error_code & ~0xF) {
1.1.1.6 root 1342: case POWERPC_EXCP_FP:
1343: EXCP_DUMP(env, "Floating point program exception\n");
1.1 root 1344: info.si_signo = TARGET_SIGFPE;
1345: info.si_errno = 0;
1346: switch (env->error_code & 0xF) {
1.1.1.6 root 1347: case POWERPC_EXCP_FP_OX:
1.1 root 1348: info.si_code = TARGET_FPE_FLTOVF;
1349: break;
1.1.1.6 root 1350: case POWERPC_EXCP_FP_UX:
1.1 root 1351: info.si_code = TARGET_FPE_FLTUND;
1352: break;
1.1.1.6 root 1353: case POWERPC_EXCP_FP_ZX:
1354: case POWERPC_EXCP_FP_VXZDZ:
1.1 root 1355: info.si_code = TARGET_FPE_FLTDIV;
1356: break;
1.1.1.6 root 1357: case POWERPC_EXCP_FP_XX:
1.1 root 1358: info.si_code = TARGET_FPE_FLTRES;
1359: break;
1.1.1.6 root 1360: case POWERPC_EXCP_FP_VXSOFT:
1.1 root 1361: info.si_code = TARGET_FPE_FLTINV;
1362: break;
1.1.1.6 root 1363: case POWERPC_EXCP_FP_VXSNAN:
1364: case POWERPC_EXCP_FP_VXISI:
1365: case POWERPC_EXCP_FP_VXIDI:
1366: case POWERPC_EXCP_FP_VXIMZ:
1367: case POWERPC_EXCP_FP_VXVC:
1368: case POWERPC_EXCP_FP_VXSQRT:
1369: case POWERPC_EXCP_FP_VXCVI:
1.1 root 1370: info.si_code = TARGET_FPE_FLTSUB;
1371: break;
1372: default:
1.1.1.6 root 1373: EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
1374: env->error_code);
1375: break;
1.1 root 1376: }
1.1.1.6 root 1377: break;
1378: case POWERPC_EXCP_INVAL:
1379: EXCP_DUMP(env, "Invalid instruction\n");
1.1 root 1380: info.si_signo = TARGET_SIGILL;
1381: info.si_errno = 0;
1382: switch (env->error_code & 0xF) {
1.1.1.6 root 1383: case POWERPC_EXCP_INVAL_INVAL:
1.1 root 1384: info.si_code = TARGET_ILL_ILLOPC;
1385: break;
1.1.1.6 root 1386: case POWERPC_EXCP_INVAL_LSWX:
1387: info.si_code = TARGET_ILL_ILLOPN;
1.1 root 1388: break;
1.1.1.6 root 1389: case POWERPC_EXCP_INVAL_SPR:
1.1 root 1390: info.si_code = TARGET_ILL_PRVREG;
1391: break;
1.1.1.6 root 1392: case POWERPC_EXCP_INVAL_FP:
1.1 root 1393: info.si_code = TARGET_ILL_COPROC;
1394: break;
1395: default:
1.1.1.6 root 1396: EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
1397: env->error_code & 0xF);
1.1 root 1398: info.si_code = TARGET_ILL_ILLADR;
1399: break;
1400: }
1401: break;
1.1.1.6 root 1402: case POWERPC_EXCP_PRIV:
1403: EXCP_DUMP(env, "Privilege violation\n");
1.1 root 1404: info.si_signo = TARGET_SIGILL;
1405: info.si_errno = 0;
1406: switch (env->error_code & 0xF) {
1.1.1.6 root 1407: case POWERPC_EXCP_PRIV_OPC:
1.1 root 1408: info.si_code = TARGET_ILL_PRVOPC;
1409: break;
1.1.1.6 root 1410: case POWERPC_EXCP_PRIV_REG:
1.1 root 1411: info.si_code = TARGET_ILL_PRVREG;
1.1.1.6 root 1412: break;
1.1 root 1413: default:
1.1.1.6 root 1414: EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
1415: env->error_code & 0xF);
1.1 root 1416: info.si_code = TARGET_ILL_PRVOPC;
1417: break;
1418: }
1419: break;
1.1.1.6 root 1420: case POWERPC_EXCP_TRAP:
1421: cpu_abort(env, "Tried to call a TRAP\n");
1422: break;
1.1 root 1423: default:
1424: /* Should not happen ! */
1.1.1.6 root 1425: cpu_abort(env, "Unknown program exception (%02x)\n",
1426: env->error_code);
1427: break;
1.1 root 1428: }
1429: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1430: queue_signal(env, info.si_signo, &info);
1.1 root 1431: break;
1.1.1.6 root 1432: case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
1433: EXCP_DUMP(env, "No floating point allowed\n");
1.1 root 1434: info.si_signo = TARGET_SIGILL;
1435: info.si_errno = 0;
1436: info.si_code = TARGET_ILL_COPROC;
1437: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1438: queue_signal(env, info.si_signo, &info);
1.1 root 1439: break;
1.1.1.6 root 1440: case POWERPC_EXCP_SYSCALL: /* System call exception */
1441: cpu_abort(env, "Syscall exception while in user mode. "
1442: "Aborting\n");
1.1 root 1443: break;
1.1.1.6 root 1444: case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
1445: EXCP_DUMP(env, "No APU instruction allowed\n");
1446: info.si_signo = TARGET_SIGILL;
1447: info.si_errno = 0;
1448: info.si_code = TARGET_ILL_COPROC;
1449: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1450: queue_signal(env, info.si_signo, &info);
1.1 root 1451: break;
1.1.1.6 root 1452: case POWERPC_EXCP_DECR: /* Decrementer exception */
1453: cpu_abort(env, "Decrementer interrupt while in user mode. "
1454: "Aborting\n");
1455: break;
1456: case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
1457: cpu_abort(env, "Fix interval timer interrupt while in user mode. "
1458: "Aborting\n");
1459: break;
1460: case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
1461: cpu_abort(env, "Watchdog timer interrupt while in user mode. "
1462: "Aborting\n");
1463: break;
1464: case POWERPC_EXCP_DTLB: /* Data TLB error */
1465: cpu_abort(env, "Data TLB exception while in user mode. "
1466: "Aborting\n");
1467: break;
1468: case POWERPC_EXCP_ITLB: /* Instruction TLB error */
1469: cpu_abort(env, "Instruction TLB exception while in user mode. "
1470: "Aborting\n");
1.1 root 1471: break;
1.1.1.6 root 1472: case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
1473: EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
1474: info.si_signo = TARGET_SIGILL;
1475: info.si_errno = 0;
1476: info.si_code = TARGET_ILL_COPROC;
1477: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1478: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 1479: break;
1480: case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
1481: cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
1482: break;
1483: case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
1484: cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
1485: break;
1486: case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
1487: cpu_abort(env, "Performance monitor exception not handled\n");
1488: break;
1489: case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
1490: cpu_abort(env, "Doorbell interrupt while in user mode. "
1491: "Aborting\n");
1492: break;
1493: case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1494: cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1495: "Aborting\n");
1496: break;
1497: case POWERPC_EXCP_RESET: /* System reset exception */
1498: cpu_abort(env, "Reset interrupt while in user mode. "
1499: "Aborting\n");
1500: break;
1501: case POWERPC_EXCP_DSEG: /* Data segment exception */
1502: cpu_abort(env, "Data segment exception while in user mode. "
1503: "Aborting\n");
1504: break;
1505: case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1506: cpu_abort(env, "Instruction segment exception "
1507: "while in user mode. Aborting\n");
1508: break;
1509: /* PowerPC 64 with hypervisor mode support */
1510: case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1511: cpu_abort(env, "Hypervisor decrementer interrupt "
1512: "while in user mode. Aborting\n");
1513: break;
1514: case POWERPC_EXCP_TRACE: /* Trace exception */
1515: /* Nothing to do:
1516: * we use this exception to emulate step-by-step execution mode.
1517: */
1518: break;
1519: /* PowerPC 64 with hypervisor mode support */
1520: case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1521: cpu_abort(env, "Hypervisor data storage exception "
1522: "while in user mode. Aborting\n");
1523: break;
1524: case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1525: cpu_abort(env, "Hypervisor instruction storage exception "
1526: "while in user mode. Aborting\n");
1527: break;
1528: case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1529: cpu_abort(env, "Hypervisor data segment exception "
1530: "while in user mode. Aborting\n");
1531: break;
1532: case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1533: cpu_abort(env, "Hypervisor instruction segment exception "
1534: "while in user mode. Aborting\n");
1535: break;
1536: case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1537: EXCP_DUMP(env, "No Altivec instructions allowed\n");
1538: info.si_signo = TARGET_SIGILL;
1539: info.si_errno = 0;
1540: info.si_code = TARGET_ILL_COPROC;
1541: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1542: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 1543: break;
1544: case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1545: cpu_abort(env, "Programable interval timer interrupt "
1546: "while in user mode. Aborting\n");
1547: break;
1548: case POWERPC_EXCP_IO: /* IO error exception */
1549: cpu_abort(env, "IO error exception while in user mode. "
1550: "Aborting\n");
1551: break;
1552: case POWERPC_EXCP_RUNM: /* Run mode exception */
1553: cpu_abort(env, "Run mode exception while in user mode. "
1554: "Aborting\n");
1555: break;
1556: case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1557: cpu_abort(env, "Emulation trap exception not handled\n");
1558: break;
1559: case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1560: cpu_abort(env, "Instruction fetch TLB exception "
1561: "while in user-mode. Aborting");
1562: break;
1563: case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1564: cpu_abort(env, "Data load TLB exception while in user-mode. "
1565: "Aborting");
1566: break;
1567: case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1568: cpu_abort(env, "Data store TLB exception while in user-mode. "
1569: "Aborting");
1570: break;
1571: case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1572: cpu_abort(env, "Floating-point assist exception not handled\n");
1573: break;
1574: case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1575: cpu_abort(env, "Instruction address breakpoint exception "
1576: "not handled\n");
1577: break;
1578: case POWERPC_EXCP_SMI: /* System management interrupt */
1579: cpu_abort(env, "System management interrupt while in user mode. "
1580: "Aborting\n");
1581: break;
1582: case POWERPC_EXCP_THERM: /* Thermal interrupt */
1583: cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1584: "Aborting\n");
1585: break;
1586: case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1587: cpu_abort(env, "Performance monitor exception not handled\n");
1588: break;
1589: case POWERPC_EXCP_VPUA: /* Vector assist exception */
1590: cpu_abort(env, "Vector assist exception not handled\n");
1591: break;
1592: case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1593: cpu_abort(env, "Soft patch exception not handled\n");
1594: break;
1595: case POWERPC_EXCP_MAINT: /* Maintenance exception */
1596: cpu_abort(env, "Maintenance exception while in user mode. "
1597: "Aborting\n");
1598: break;
1599: case POWERPC_EXCP_STOP: /* stop translation */
1600: /* We did invalidate the instruction cache. Go on */
1601: break;
1602: case POWERPC_EXCP_BRANCH: /* branch instruction: */
1603: /* We just stopped because of a branch. Go on */
1604: break;
1605: case POWERPC_EXCP_SYSCALL_USER:
1606: /* system call in user-mode emulation */
1607: /* WARNING:
1608: * PPC ABI uses overflow flag in cr0 to signal an error
1609: * in syscalls.
1610: */
1611: #if 0
1612: printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1613: env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1614: #endif
1615: env->crf[0] &= ~0x1;
1616: ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1617: env->gpr[5], env->gpr[6], env->gpr[7],
1.1.1.13! root 1618: env->gpr[8], 0, 0);
1.1.1.8 root 1619: if (ret == (uint32_t)(-TARGET_QEMU_ESIGRETURN)) {
1620: /* Returning from a successful sigreturn syscall.
1621: Avoid corrupting register state. */
1622: break;
1623: }
1.1.1.6 root 1624: if (ret > (uint32_t)(-515)) {
1625: env->crf[0] |= 0x1;
1626: ret = -ret;
1.1 root 1627: }
1.1.1.6 root 1628: env->gpr[3] = ret;
1629: #if 0
1630: printf("syscall returned 0x%08x (%d)\n", ret, ret);
1631: #endif
1632: break;
1.1.1.9 root 1633: case POWERPC_EXCP_STCX:
1634: if (do_store_exclusive(env)) {
1635: info.si_signo = TARGET_SIGSEGV;
1636: info.si_errno = 0;
1637: info.si_code = TARGET_SEGV_MAPERR;
1638: info._sifields._sigfault._addr = env->nip;
1639: queue_signal(env, info.si_signo, &info);
1640: }
1641: break;
1.1.1.7 root 1642: case EXCP_DEBUG:
1643: {
1644: int sig;
1645:
1646: sig = gdb_handlesig(env, TARGET_SIGTRAP);
1647: if (sig) {
1648: info.si_signo = sig;
1649: info.si_errno = 0;
1650: info.si_code = TARGET_TRAP_BRKPT;
1651: queue_signal(env, info.si_signo, &info);
1652: }
1653: }
1654: break;
1.1.1.6 root 1655: case EXCP_INTERRUPT:
1656: /* just indicate that signals should be handled asap */
1657: break;
1658: default:
1659: cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1660: break;
1.1 root 1661: }
1662: process_pending_signals(env);
1663: }
1664: }
1665: #endif
1666:
1.1.1.2 root 1667: #ifdef TARGET_MIPS
1668:
1669: #define MIPS_SYS(name, args) args,
1670:
1671: static const uint8_t mips_syscall_args[] = {
1672: MIPS_SYS(sys_syscall , 0) /* 4000 */
1673: MIPS_SYS(sys_exit , 1)
1674: MIPS_SYS(sys_fork , 0)
1675: MIPS_SYS(sys_read , 3)
1676: MIPS_SYS(sys_write , 3)
1677: MIPS_SYS(sys_open , 3) /* 4005 */
1678: MIPS_SYS(sys_close , 1)
1679: MIPS_SYS(sys_waitpid , 3)
1680: MIPS_SYS(sys_creat , 2)
1681: MIPS_SYS(sys_link , 2)
1682: MIPS_SYS(sys_unlink , 1) /* 4010 */
1683: MIPS_SYS(sys_execve , 0)
1684: MIPS_SYS(sys_chdir , 1)
1685: MIPS_SYS(sys_time , 1)
1686: MIPS_SYS(sys_mknod , 3)
1687: MIPS_SYS(sys_chmod , 2) /* 4015 */
1688: MIPS_SYS(sys_lchown , 3)
1689: MIPS_SYS(sys_ni_syscall , 0)
1690: MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1691: MIPS_SYS(sys_lseek , 3)
1692: MIPS_SYS(sys_getpid , 0) /* 4020 */
1693: MIPS_SYS(sys_mount , 5)
1694: MIPS_SYS(sys_oldumount , 1)
1695: MIPS_SYS(sys_setuid , 1)
1696: MIPS_SYS(sys_getuid , 0)
1697: MIPS_SYS(sys_stime , 1) /* 4025 */
1698: MIPS_SYS(sys_ptrace , 4)
1699: MIPS_SYS(sys_alarm , 1)
1700: MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1701: MIPS_SYS(sys_pause , 0)
1702: MIPS_SYS(sys_utime , 2) /* 4030 */
1703: MIPS_SYS(sys_ni_syscall , 0)
1704: MIPS_SYS(sys_ni_syscall , 0)
1705: MIPS_SYS(sys_access , 2)
1706: MIPS_SYS(sys_nice , 1)
1707: MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1708: MIPS_SYS(sys_sync , 0)
1709: MIPS_SYS(sys_kill , 2)
1710: MIPS_SYS(sys_rename , 2)
1711: MIPS_SYS(sys_mkdir , 2)
1712: MIPS_SYS(sys_rmdir , 1) /* 4040 */
1713: MIPS_SYS(sys_dup , 1)
1714: MIPS_SYS(sys_pipe , 0)
1715: MIPS_SYS(sys_times , 1)
1716: MIPS_SYS(sys_ni_syscall , 0)
1717: MIPS_SYS(sys_brk , 1) /* 4045 */
1718: MIPS_SYS(sys_setgid , 1)
1719: MIPS_SYS(sys_getgid , 0)
1720: MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1721: MIPS_SYS(sys_geteuid , 0)
1722: MIPS_SYS(sys_getegid , 0) /* 4050 */
1723: MIPS_SYS(sys_acct , 0)
1724: MIPS_SYS(sys_umount , 2)
1725: MIPS_SYS(sys_ni_syscall , 0)
1726: MIPS_SYS(sys_ioctl , 3)
1727: MIPS_SYS(sys_fcntl , 3) /* 4055 */
1728: MIPS_SYS(sys_ni_syscall , 2)
1729: MIPS_SYS(sys_setpgid , 2)
1730: MIPS_SYS(sys_ni_syscall , 0)
1731: MIPS_SYS(sys_olduname , 1)
1732: MIPS_SYS(sys_umask , 1) /* 4060 */
1733: MIPS_SYS(sys_chroot , 1)
1734: MIPS_SYS(sys_ustat , 2)
1735: MIPS_SYS(sys_dup2 , 2)
1736: MIPS_SYS(sys_getppid , 0)
1737: MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1738: MIPS_SYS(sys_setsid , 0)
1739: MIPS_SYS(sys_sigaction , 3)
1740: MIPS_SYS(sys_sgetmask , 0)
1741: MIPS_SYS(sys_ssetmask , 1)
1742: MIPS_SYS(sys_setreuid , 2) /* 4070 */
1743: MIPS_SYS(sys_setregid , 2)
1744: MIPS_SYS(sys_sigsuspend , 0)
1745: MIPS_SYS(sys_sigpending , 1)
1746: MIPS_SYS(sys_sethostname , 2)
1747: MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1748: MIPS_SYS(sys_getrlimit , 2)
1749: MIPS_SYS(sys_getrusage , 2)
1750: MIPS_SYS(sys_gettimeofday, 2)
1751: MIPS_SYS(sys_settimeofday, 2)
1752: MIPS_SYS(sys_getgroups , 2) /* 4080 */
1753: MIPS_SYS(sys_setgroups , 2)
1754: MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1755: MIPS_SYS(sys_symlink , 2)
1756: MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1757: MIPS_SYS(sys_readlink , 3) /* 4085 */
1758: MIPS_SYS(sys_uselib , 1)
1759: MIPS_SYS(sys_swapon , 2)
1760: MIPS_SYS(sys_reboot , 3)
1761: MIPS_SYS(old_readdir , 3)
1762: MIPS_SYS(old_mmap , 6) /* 4090 */
1763: MIPS_SYS(sys_munmap , 2)
1764: MIPS_SYS(sys_truncate , 2)
1765: MIPS_SYS(sys_ftruncate , 2)
1766: MIPS_SYS(sys_fchmod , 2)
1767: MIPS_SYS(sys_fchown , 3) /* 4095 */
1768: MIPS_SYS(sys_getpriority , 2)
1769: MIPS_SYS(sys_setpriority , 3)
1770: MIPS_SYS(sys_ni_syscall , 0)
1771: MIPS_SYS(sys_statfs , 2)
1772: MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1773: MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1774: MIPS_SYS(sys_socketcall , 2)
1775: MIPS_SYS(sys_syslog , 3)
1776: MIPS_SYS(sys_setitimer , 3)
1777: MIPS_SYS(sys_getitimer , 2) /* 4105 */
1778: MIPS_SYS(sys_newstat , 2)
1779: MIPS_SYS(sys_newlstat , 2)
1780: MIPS_SYS(sys_newfstat , 2)
1781: MIPS_SYS(sys_uname , 1)
1782: MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1783: MIPS_SYS(sys_vhangup , 0)
1784: MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1785: MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1786: MIPS_SYS(sys_wait4 , 4)
1787: MIPS_SYS(sys_swapoff , 1) /* 4115 */
1788: MIPS_SYS(sys_sysinfo , 1)
1789: MIPS_SYS(sys_ipc , 6)
1790: MIPS_SYS(sys_fsync , 1)
1791: MIPS_SYS(sys_sigreturn , 0)
1.1.1.8 root 1792: MIPS_SYS(sys_clone , 6) /* 4120 */
1.1.1.2 root 1793: MIPS_SYS(sys_setdomainname, 2)
1794: MIPS_SYS(sys_newuname , 1)
1795: MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1796: MIPS_SYS(sys_adjtimex , 1)
1797: MIPS_SYS(sys_mprotect , 3) /* 4125 */
1798: MIPS_SYS(sys_sigprocmask , 3)
1799: MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1800: MIPS_SYS(sys_init_module , 5)
1801: MIPS_SYS(sys_delete_module, 1)
1802: MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1803: MIPS_SYS(sys_quotactl , 0)
1804: MIPS_SYS(sys_getpgid , 1)
1805: MIPS_SYS(sys_fchdir , 1)
1806: MIPS_SYS(sys_bdflush , 2)
1807: MIPS_SYS(sys_sysfs , 3) /* 4135 */
1808: MIPS_SYS(sys_personality , 1)
1809: MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1810: MIPS_SYS(sys_setfsuid , 1)
1811: MIPS_SYS(sys_setfsgid , 1)
1812: MIPS_SYS(sys_llseek , 5) /* 4140 */
1813: MIPS_SYS(sys_getdents , 3)
1814: MIPS_SYS(sys_select , 5)
1815: MIPS_SYS(sys_flock , 2)
1816: MIPS_SYS(sys_msync , 3)
1817: MIPS_SYS(sys_readv , 3) /* 4145 */
1818: MIPS_SYS(sys_writev , 3)
1819: MIPS_SYS(sys_cacheflush , 3)
1820: MIPS_SYS(sys_cachectl , 3)
1821: MIPS_SYS(sys_sysmips , 4)
1822: MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1823: MIPS_SYS(sys_getsid , 1)
1824: MIPS_SYS(sys_fdatasync , 0)
1825: MIPS_SYS(sys_sysctl , 1)
1826: MIPS_SYS(sys_mlock , 2)
1827: MIPS_SYS(sys_munlock , 2) /* 4155 */
1828: MIPS_SYS(sys_mlockall , 1)
1829: MIPS_SYS(sys_munlockall , 0)
1830: MIPS_SYS(sys_sched_setparam, 2)
1831: MIPS_SYS(sys_sched_getparam, 2)
1832: MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1833: MIPS_SYS(sys_sched_getscheduler, 1)
1834: MIPS_SYS(sys_sched_yield , 0)
1835: MIPS_SYS(sys_sched_get_priority_max, 1)
1836: MIPS_SYS(sys_sched_get_priority_min, 1)
1837: MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1838: MIPS_SYS(sys_nanosleep, 2)
1839: MIPS_SYS(sys_mremap , 4)
1840: MIPS_SYS(sys_accept , 3)
1841: MIPS_SYS(sys_bind , 3)
1842: MIPS_SYS(sys_connect , 3) /* 4170 */
1843: MIPS_SYS(sys_getpeername , 3)
1844: MIPS_SYS(sys_getsockname , 3)
1845: MIPS_SYS(sys_getsockopt , 5)
1846: MIPS_SYS(sys_listen , 2)
1847: MIPS_SYS(sys_recv , 4) /* 4175 */
1848: MIPS_SYS(sys_recvfrom , 6)
1849: MIPS_SYS(sys_recvmsg , 3)
1850: MIPS_SYS(sys_send , 4)
1851: MIPS_SYS(sys_sendmsg , 3)
1852: MIPS_SYS(sys_sendto , 6) /* 4180 */
1853: MIPS_SYS(sys_setsockopt , 5)
1854: MIPS_SYS(sys_shutdown , 2)
1855: MIPS_SYS(sys_socket , 3)
1856: MIPS_SYS(sys_socketpair , 4)
1857: MIPS_SYS(sys_setresuid , 3) /* 4185 */
1858: MIPS_SYS(sys_getresuid , 3)
1859: MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1860: MIPS_SYS(sys_poll , 3)
1861: MIPS_SYS(sys_nfsservctl , 3)
1862: MIPS_SYS(sys_setresgid , 3) /* 4190 */
1863: MIPS_SYS(sys_getresgid , 3)
1864: MIPS_SYS(sys_prctl , 5)
1865: MIPS_SYS(sys_rt_sigreturn, 0)
1866: MIPS_SYS(sys_rt_sigaction, 4)
1867: MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1868: MIPS_SYS(sys_rt_sigpending, 2)
1869: MIPS_SYS(sys_rt_sigtimedwait, 4)
1870: MIPS_SYS(sys_rt_sigqueueinfo, 3)
1871: MIPS_SYS(sys_rt_sigsuspend, 0)
1872: MIPS_SYS(sys_pread64 , 6) /* 4200 */
1873: MIPS_SYS(sys_pwrite64 , 6)
1874: MIPS_SYS(sys_chown , 3)
1875: MIPS_SYS(sys_getcwd , 2)
1876: MIPS_SYS(sys_capget , 2)
1877: MIPS_SYS(sys_capset , 2) /* 4205 */
1.1.1.13! root 1878: MIPS_SYS(sys_sigaltstack , 2)
1.1.1.2 root 1879: MIPS_SYS(sys_sendfile , 4)
1880: MIPS_SYS(sys_ni_syscall , 0)
1881: MIPS_SYS(sys_ni_syscall , 0)
1882: MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1883: MIPS_SYS(sys_truncate64 , 4)
1884: MIPS_SYS(sys_ftruncate64 , 4)
1885: MIPS_SYS(sys_stat64 , 2)
1886: MIPS_SYS(sys_lstat64 , 2)
1887: MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1888: MIPS_SYS(sys_pivot_root , 2)
1889: MIPS_SYS(sys_mincore , 3)
1890: MIPS_SYS(sys_madvise , 3)
1891: MIPS_SYS(sys_getdents64 , 3)
1892: MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1893: MIPS_SYS(sys_ni_syscall , 0)
1894: MIPS_SYS(sys_gettid , 0)
1895: MIPS_SYS(sys_readahead , 5)
1896: MIPS_SYS(sys_setxattr , 5)
1897: MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1898: MIPS_SYS(sys_fsetxattr , 5)
1899: MIPS_SYS(sys_getxattr , 4)
1900: MIPS_SYS(sys_lgetxattr , 4)
1901: MIPS_SYS(sys_fgetxattr , 4)
1902: MIPS_SYS(sys_listxattr , 3) /* 4230 */
1903: MIPS_SYS(sys_llistxattr , 3)
1904: MIPS_SYS(sys_flistxattr , 3)
1905: MIPS_SYS(sys_removexattr , 2)
1906: MIPS_SYS(sys_lremovexattr, 2)
1907: MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1908: MIPS_SYS(sys_tkill , 2)
1909: MIPS_SYS(sys_sendfile64 , 5)
1910: MIPS_SYS(sys_futex , 2)
1911: MIPS_SYS(sys_sched_setaffinity, 3)
1912: MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1913: MIPS_SYS(sys_io_setup , 2)
1914: MIPS_SYS(sys_io_destroy , 1)
1915: MIPS_SYS(sys_io_getevents, 5)
1916: MIPS_SYS(sys_io_submit , 3)
1917: MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1918: MIPS_SYS(sys_exit_group , 1)
1919: MIPS_SYS(sys_lookup_dcookie, 3)
1920: MIPS_SYS(sys_epoll_create, 1)
1921: MIPS_SYS(sys_epoll_ctl , 4)
1922: MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1923: MIPS_SYS(sys_remap_file_pages, 5)
1924: MIPS_SYS(sys_set_tid_address, 1)
1925: MIPS_SYS(sys_restart_syscall, 0)
1926: MIPS_SYS(sys_fadvise64_64, 7)
1927: MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1928: MIPS_SYS(sys_fstatfs64 , 2)
1929: MIPS_SYS(sys_timer_create, 3)
1930: MIPS_SYS(sys_timer_settime, 4)
1931: MIPS_SYS(sys_timer_gettime, 2)
1932: MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1933: MIPS_SYS(sys_timer_delete, 1)
1934: MIPS_SYS(sys_clock_settime, 2)
1935: MIPS_SYS(sys_clock_gettime, 2)
1936: MIPS_SYS(sys_clock_getres, 2)
1937: MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1938: MIPS_SYS(sys_tgkill , 3)
1939: MIPS_SYS(sys_utimes , 2)
1940: MIPS_SYS(sys_mbind , 4)
1941: MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1942: MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1943: MIPS_SYS(sys_mq_open , 4)
1944: MIPS_SYS(sys_mq_unlink , 1)
1945: MIPS_SYS(sys_mq_timedsend, 5)
1946: MIPS_SYS(sys_mq_timedreceive, 5)
1947: MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1948: MIPS_SYS(sys_mq_getsetattr, 3)
1949: MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1950: MIPS_SYS(sys_waitid , 4)
1951: MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1952: MIPS_SYS(sys_add_key , 5)
1.1.1.6 root 1953: MIPS_SYS(sys_request_key, 4)
1.1.1.2 root 1954: MIPS_SYS(sys_keyctl , 5)
1.1.1.6 root 1955: MIPS_SYS(sys_set_thread_area, 1)
1956: MIPS_SYS(sys_inotify_init, 0)
1957: MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1958: MIPS_SYS(sys_inotify_rm_watch, 2)
1959: MIPS_SYS(sys_migrate_pages, 4)
1960: MIPS_SYS(sys_openat, 4)
1961: MIPS_SYS(sys_mkdirat, 3)
1962: MIPS_SYS(sys_mknodat, 4) /* 4290 */
1963: MIPS_SYS(sys_fchownat, 5)
1964: MIPS_SYS(sys_futimesat, 3)
1965: MIPS_SYS(sys_fstatat64, 4)
1966: MIPS_SYS(sys_unlinkat, 3)
1967: MIPS_SYS(sys_renameat, 4) /* 4295 */
1968: MIPS_SYS(sys_linkat, 5)
1969: MIPS_SYS(sys_symlinkat, 3)
1970: MIPS_SYS(sys_readlinkat, 4)
1971: MIPS_SYS(sys_fchmodat, 3)
1972: MIPS_SYS(sys_faccessat, 3) /* 4300 */
1973: MIPS_SYS(sys_pselect6, 6)
1974: MIPS_SYS(sys_ppoll, 5)
1975: MIPS_SYS(sys_unshare, 1)
1976: MIPS_SYS(sys_splice, 4)
1977: MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1978: MIPS_SYS(sys_tee, 4)
1979: MIPS_SYS(sys_vmsplice, 4)
1980: MIPS_SYS(sys_move_pages, 6)
1981: MIPS_SYS(sys_set_robust_list, 2)
1982: MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1983: MIPS_SYS(sys_kexec_load, 4)
1984: MIPS_SYS(sys_getcpu, 3)
1985: MIPS_SYS(sys_epoll_pwait, 6)
1986: MIPS_SYS(sys_ioprio_set, 3)
1987: MIPS_SYS(sys_ioprio_get, 2)
1.1.1.13! root 1988: MIPS_SYS(sys_utimensat, 4)
! 1989: MIPS_SYS(sys_signalfd, 3)
! 1990: MIPS_SYS(sys_ni_syscall, 0) /* was timerfd */
! 1991: MIPS_SYS(sys_eventfd, 1)
! 1992: MIPS_SYS(sys_fallocate, 6) /* 4320 */
! 1993: MIPS_SYS(sys_timerfd_create, 2)
! 1994: MIPS_SYS(sys_timerfd_gettime, 2)
! 1995: MIPS_SYS(sys_timerfd_settime, 4)
! 1996: MIPS_SYS(sys_signalfd4, 4)
! 1997: MIPS_SYS(sys_eventfd2, 2) /* 4325 */
! 1998: MIPS_SYS(sys_epoll_create1, 1)
! 1999: MIPS_SYS(sys_dup3, 3)
! 2000: MIPS_SYS(sys_pipe2, 2)
! 2001: MIPS_SYS(sys_inotify_init1, 1)
! 2002: MIPS_SYS(sys_preadv, 6) /* 4330 */
! 2003: MIPS_SYS(sys_pwritev, 6)
! 2004: MIPS_SYS(sys_rt_tgsigqueueinfo, 4)
! 2005: MIPS_SYS(sys_perf_event_open, 5)
! 2006: MIPS_SYS(sys_accept4, 4)
! 2007: MIPS_SYS(sys_recvmmsg, 5) /* 4335 */
! 2008: MIPS_SYS(sys_fanotify_init, 2)
! 2009: MIPS_SYS(sys_fanotify_mark, 6)
! 2010: MIPS_SYS(sys_prlimit64, 4)
! 2011: MIPS_SYS(sys_name_to_handle_at, 5)
! 2012: MIPS_SYS(sys_open_by_handle_at, 3) /* 4340 */
! 2013: MIPS_SYS(sys_clock_adjtime, 2)
! 2014: MIPS_SYS(sys_syncfs, 1)
1.1.1.2 root 2015: };
2016:
2017: #undef MIPS_SYS
2018:
1.1.1.8 root 2019: static int do_store_exclusive(CPUMIPSState *env)
2020: {
2021: target_ulong addr;
2022: target_ulong page_addr;
2023: target_ulong val;
2024: int flags;
2025: int segv = 0;
2026: int reg;
2027: int d;
2028:
1.1.1.9 root 2029: addr = env->lladdr;
1.1.1.8 root 2030: page_addr = addr & TARGET_PAGE_MASK;
2031: start_exclusive();
2032: mmap_lock();
2033: flags = page_get_flags(page_addr);
2034: if ((flags & PAGE_READ) == 0) {
2035: segv = 1;
2036: } else {
2037: reg = env->llreg & 0x1f;
2038: d = (env->llreg & 0x20) != 0;
2039: if (d) {
2040: segv = get_user_s64(val, addr);
2041: } else {
2042: segv = get_user_s32(val, addr);
2043: }
2044: if (!segv) {
2045: if (val != env->llval) {
2046: env->active_tc.gpr[reg] = 0;
2047: } else {
2048: if (d) {
2049: segv = put_user_u64(env->llnewval, addr);
2050: } else {
2051: segv = put_user_u32(env->llnewval, addr);
2052: }
2053: if (!segv) {
2054: env->active_tc.gpr[reg] = 1;
2055: }
2056: }
2057: }
2058: }
1.1.1.9 root 2059: env->lladdr = -1;
1.1.1.8 root 2060: if (!segv) {
2061: env->active_tc.PC += 4;
2062: }
2063: mmap_unlock();
2064: end_exclusive();
2065: return segv;
2066: }
2067:
1.1.1.2 root 2068: void cpu_loop(CPUMIPSState *env)
2069: {
2070: target_siginfo_t info;
1.1.1.6 root 2071: int trapnr, ret;
1.1.1.2 root 2072: unsigned int syscall_num;
2073:
2074: for(;;) {
1.1.1.8 root 2075: cpu_exec_start(env);
1.1.1.2 root 2076: trapnr = cpu_mips_exec(env);
1.1.1.8 root 2077: cpu_exec_end(env);
1.1.1.2 root 2078: switch(trapnr) {
2079: case EXCP_SYSCALL:
1.1.1.7 root 2080: syscall_num = env->active_tc.gpr[2] - 4000;
2081: env->active_tc.PC += 4;
1.1.1.6 root 2082: if (syscall_num >= sizeof(mips_syscall_args)) {
1.1.1.13! root 2083: ret = -TARGET_ENOSYS;
1.1.1.6 root 2084: } else {
2085: int nb_args;
2086: abi_ulong sp_reg;
2087: abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
2088:
2089: nb_args = mips_syscall_args[syscall_num];
1.1.1.7 root 2090: sp_reg = env->active_tc.gpr[29];
1.1.1.6 root 2091: switch (nb_args) {
2092: /* these arguments are taken from the stack */
2093: /* FIXME - what to do if get_user() fails? */
2094: case 8: get_user_ual(arg8, sp_reg + 28);
2095: case 7: get_user_ual(arg7, sp_reg + 24);
2096: case 6: get_user_ual(arg6, sp_reg + 20);
2097: case 5: get_user_ual(arg5, sp_reg + 16);
2098: default:
2099: break;
1.1.1.2 root 2100: }
1.1.1.7 root 2101: ret = do_syscall(env, env->active_tc.gpr[2],
2102: env->active_tc.gpr[4],
2103: env->active_tc.gpr[5],
2104: env->active_tc.gpr[6],
2105: env->active_tc.gpr[7],
1.1.1.13! root 2106: arg5, arg6, arg7, arg8);
1.1.1.6 root 2107: }
1.1.1.8 root 2108: if (ret == -TARGET_QEMU_ESIGRETURN) {
2109: /* Returning from a successful sigreturn syscall.
2110: Avoid clobbering register state. */
2111: break;
2112: }
1.1.1.6 root 2113: if ((unsigned int)ret >= (unsigned int)(-1133)) {
1.1.1.7 root 2114: env->active_tc.gpr[7] = 1; /* error flag */
1.1.1.6 root 2115: ret = -ret;
2116: } else {
1.1.1.7 root 2117: env->active_tc.gpr[7] = 0; /* error flag */
1.1.1.2 root 2118: }
1.1.1.7 root 2119: env->active_tc.gpr[2] = ret;
1.1.1.2 root 2120: break;
1.1.1.5 root 2121: case EXCP_TLBL:
2122: case EXCP_TLBS:
1.1.1.13! root 2123: case EXCP_AdEL:
! 2124: case EXCP_AdES:
1.1.1.8 root 2125: info.si_signo = TARGET_SIGSEGV;
2126: info.si_errno = 0;
2127: /* XXX: check env->error_code */
2128: info.si_code = TARGET_SEGV_MAPERR;
2129: info._sifields._sigfault._addr = env->CP0_BadVAddr;
2130: queue_signal(env, info.si_signo, &info);
2131: break;
1.1.1.2 root 2132: case EXCP_CpU:
2133: case EXCP_RI:
1.1.1.4 root 2134: info.si_signo = TARGET_SIGILL;
2135: info.si_errno = 0;
2136: info.si_code = 0;
1.1.1.7 root 2137: queue_signal(env, info.si_signo, &info);
1.1.1.4 root 2138: break;
2139: case EXCP_INTERRUPT:
2140: /* just indicate that signals should be handled asap */
1.1.1.2 root 2141: break;
1.1.1.5 root 2142: case EXCP_DEBUG:
2143: {
2144: int sig;
2145:
2146: sig = gdb_handlesig (env, TARGET_SIGTRAP);
2147: if (sig)
2148: {
2149: info.si_signo = sig;
2150: info.si_errno = 0;
2151: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 2152: queue_signal(env, info.si_signo, &info);
1.1.1.5 root 2153: }
2154: }
2155: break;
1.1.1.8 root 2156: case EXCP_SC:
2157: if (do_store_exclusive(env)) {
2158: info.si_signo = TARGET_SIGSEGV;
2159: info.si_errno = 0;
2160: info.si_code = TARGET_SEGV_MAPERR;
2161: info._sifields._sigfault._addr = env->active_tc.PC;
2162: queue_signal(env, info.si_signo, &info);
2163: }
2164: break;
1.1.1.2 root 2165: default:
2166: // error:
1.1.1.6 root 2167: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1.1.1.2 root 2168: trapnr);
2169: cpu_dump_state(env, stderr, fprintf, 0);
2170: abort();
2171: }
2172: process_pending_signals(env);
2173: }
2174: }
2175: #endif
2176:
1.1.1.3 root 2177: #ifdef TARGET_SH4
2178: void cpu_loop (CPUState *env)
2179: {
2180: int trapnr, ret;
1.1.1.4 root 2181: target_siginfo_t info;
1.1.1.6 root 2182:
1.1.1.3 root 2183: while (1) {
2184: trapnr = cpu_sh4_exec (env);
1.1.1.6 root 2185:
1.1.1.3 root 2186: switch (trapnr) {
2187: case 0x160:
1.1.1.7 root 2188: env->pc += 2;
1.1.1.6 root 2189: ret = do_syscall(env,
2190: env->gregs[3],
2191: env->gregs[4],
2192: env->gregs[5],
2193: env->gregs[6],
2194: env->gregs[7],
2195: env->gregs[0],
1.1.1.13! root 2196: env->gregs[1],
! 2197: 0, 0);
1.1.1.4 root 2198: env->gregs[0] = ret;
1.1.1.3 root 2199: break;
1.1.1.6 root 2200: case EXCP_INTERRUPT:
2201: /* just indicate that signals should be handled asap */
2202: break;
2203: case EXCP_DEBUG:
2204: {
2205: int sig;
2206:
2207: sig = gdb_handlesig (env, TARGET_SIGTRAP);
2208: if (sig)
2209: {
2210: info.si_signo = sig;
2211: info.si_errno = 0;
2212: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 2213: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 2214: }
2215: }
2216: break;
2217: case 0xa0:
2218: case 0xc0:
2219: info.si_signo = SIGSEGV;
2220: info.si_errno = 0;
2221: info.si_code = TARGET_SEGV_MAPERR;
2222: info._sifields._sigfault._addr = env->tea;
1.1.1.7 root 2223: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 2224: break;
2225:
2226: default:
2227: printf ("Unhandled trap: 0x%x\n", trapnr);
2228: cpu_dump_state(env, stderr, fprintf, 0);
2229: exit (1);
2230: }
2231: process_pending_signals (env);
2232: }
2233: }
2234: #endif
2235:
2236: #ifdef TARGET_CRIS
2237: void cpu_loop (CPUState *env)
2238: {
2239: int trapnr, ret;
2240: target_siginfo_t info;
2241:
2242: while (1) {
2243: trapnr = cpu_cris_exec (env);
2244: switch (trapnr) {
2245: case 0xaa:
2246: {
2247: info.si_signo = SIGSEGV;
2248: info.si_errno = 0;
2249: /* XXX: check env->error_code */
2250: info.si_code = TARGET_SEGV_MAPERR;
1.1.1.7 root 2251: info._sifields._sigfault._addr = env->pregs[PR_EDA];
2252: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 2253: }
2254: break;
1.1.1.7 root 2255: case EXCP_INTERRUPT:
2256: /* just indicate that signals should be handled asap */
2257: break;
1.1.1.6 root 2258: case EXCP_BREAK:
2259: ret = do_syscall(env,
2260: env->regs[9],
2261: env->regs[10],
2262: env->regs[11],
2263: env->regs[12],
2264: env->regs[13],
2265: env->pregs[7],
1.1.1.13! root 2266: env->pregs[11],
! 2267: 0, 0);
1.1.1.6 root 2268: env->regs[10] = ret;
2269: break;
1.1.1.4 root 2270: case EXCP_DEBUG:
2271: {
2272: int sig;
2273:
2274: sig = gdb_handlesig (env, TARGET_SIGTRAP);
2275: if (sig)
2276: {
2277: info.si_signo = sig;
2278: info.si_errno = 0;
2279: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 2280: queue_signal(env, info.si_signo, &info);
1.1.1.4 root 2281: }
2282: }
2283: break;
1.1.1.3 root 2284: default:
2285: printf ("Unhandled trap: 0x%x\n", trapnr);
2286: cpu_dump_state(env, stderr, fprintf, 0);
2287: exit (1);
2288: }
2289: process_pending_signals (env);
2290: }
2291: }
2292: #endif
2293:
1.1.1.8 root 2294: #ifdef TARGET_MICROBLAZE
2295: void cpu_loop (CPUState *env)
2296: {
2297: int trapnr, ret;
2298: target_siginfo_t info;
2299:
2300: while (1) {
2301: trapnr = cpu_mb_exec (env);
2302: switch (trapnr) {
2303: case 0xaa:
2304: {
2305: info.si_signo = SIGSEGV;
2306: info.si_errno = 0;
2307: /* XXX: check env->error_code */
2308: info.si_code = TARGET_SEGV_MAPERR;
2309: info._sifields._sigfault._addr = 0;
2310: queue_signal(env, info.si_signo, &info);
2311: }
2312: break;
2313: case EXCP_INTERRUPT:
2314: /* just indicate that signals should be handled asap */
2315: break;
2316: case EXCP_BREAK:
2317: /* Return address is 4 bytes after the call. */
2318: env->regs[14] += 4;
2319: ret = do_syscall(env,
2320: env->regs[12],
2321: env->regs[5],
2322: env->regs[6],
2323: env->regs[7],
2324: env->regs[8],
2325: env->regs[9],
1.1.1.13! root 2326: env->regs[10],
! 2327: 0, 0);
1.1.1.8 root 2328: env->regs[3] = ret;
2329: env->sregs[SR_PC] = env->regs[14];
2330: break;
1.1.1.12 root 2331: case EXCP_HW_EXCP:
2332: env->regs[17] = env->sregs[SR_PC] + 4;
2333: if (env->iflags & D_FLAG) {
2334: env->sregs[SR_ESR] |= 1 << 12;
2335: env->sregs[SR_PC] -= 4;
2336: /* FIXME: if branch was immed, replay the imm aswell. */
2337: }
2338:
2339: env->iflags &= ~(IMM_FLAG | D_FLAG);
2340:
2341: switch (env->sregs[SR_ESR] & 31) {
2342: case ESR_EC_FPU:
2343: info.si_signo = SIGFPE;
2344: info.si_errno = 0;
2345: if (env->sregs[SR_FSR] & FSR_IO) {
2346: info.si_code = TARGET_FPE_FLTINV;
2347: }
2348: if (env->sregs[SR_FSR] & FSR_DZ) {
2349: info.si_code = TARGET_FPE_FLTDIV;
2350: }
2351: info._sifields._sigfault._addr = 0;
2352: queue_signal(env, info.si_signo, &info);
2353: break;
2354: default:
2355: printf ("Unhandled hw-exception: 0x%x\n",
1.1.1.13! root 2356: env->sregs[SR_ESR] & ESR_EC_MASK);
1.1.1.12 root 2357: cpu_dump_state(env, stderr, fprintf, 0);
2358: exit (1);
2359: break;
2360: }
2361: break;
1.1.1.8 root 2362: case EXCP_DEBUG:
2363: {
2364: int sig;
2365:
2366: sig = gdb_handlesig (env, TARGET_SIGTRAP);
2367: if (sig)
2368: {
2369: info.si_signo = sig;
2370: info.si_errno = 0;
2371: info.si_code = TARGET_TRAP_BRKPT;
2372: queue_signal(env, info.si_signo, &info);
2373: }
2374: }
2375: break;
2376: default:
2377: printf ("Unhandled trap: 0x%x\n", trapnr);
2378: cpu_dump_state(env, stderr, fprintf, 0);
2379: exit (1);
2380: }
2381: process_pending_signals (env);
2382: }
2383: }
2384: #endif
2385:
1.1.1.5 root 2386: #ifdef TARGET_M68K
2387:
2388: void cpu_loop(CPUM68KState *env)
2389: {
2390: int trapnr;
2391: unsigned int n;
2392: target_siginfo_t info;
2393: TaskState *ts = env->opaque;
1.1.1.6 root 2394:
1.1.1.5 root 2395: for(;;) {
2396: trapnr = cpu_m68k_exec(env);
2397: switch(trapnr) {
2398: case EXCP_ILLEGAL:
2399: {
2400: if (ts->sim_syscalls) {
2401: uint16_t nr;
2402: nr = lduw(env->pc + 2);
2403: env->pc += 4;
2404: do_m68k_simcall(env, nr);
2405: } else {
2406: goto do_sigill;
2407: }
2408: }
2409: break;
1.1.1.6 root 2410: case EXCP_HALT_INSN:
1.1.1.5 root 2411: /* Semihosing syscall. */
1.1.1.6 root 2412: env->pc += 4;
1.1.1.5 root 2413: do_m68k_semihosting(env, env->dregs[0]);
2414: break;
2415: case EXCP_LINEA:
2416: case EXCP_LINEF:
2417: case EXCP_UNSUPPORTED:
2418: do_sigill:
2419: info.si_signo = SIGILL;
2420: info.si_errno = 0;
2421: info.si_code = TARGET_ILL_ILLOPN;
2422: info._sifields._sigfault._addr = env->pc;
1.1.1.7 root 2423: queue_signal(env, info.si_signo, &info);
1.1.1.5 root 2424: break;
2425: case EXCP_TRAP0:
2426: {
2427: ts->sim_syscalls = 0;
2428: n = env->dregs[0];
2429: env->pc += 2;
1.1.1.6 root 2430: env->dregs[0] = do_syscall(env,
2431: n,
1.1.1.5 root 2432: env->dregs[1],
2433: env->dregs[2],
2434: env->dregs[3],
2435: env->dregs[4],
2436: env->dregs[5],
1.1.1.13! root 2437: env->aregs[0],
! 2438: 0, 0);
1.1.1.5 root 2439: }
2440: break;
2441: case EXCP_INTERRUPT:
2442: /* just indicate that signals should be handled asap */
2443: break;
2444: case EXCP_ACCESS:
2445: {
2446: info.si_signo = SIGSEGV;
2447: info.si_errno = 0;
2448: /* XXX: check env->error_code */
2449: info.si_code = TARGET_SEGV_MAPERR;
2450: info._sifields._sigfault._addr = env->mmu.ar;
1.1.1.7 root 2451: queue_signal(env, info.si_signo, &info);
1.1.1.5 root 2452: }
2453: break;
2454: case EXCP_DEBUG:
2455: {
2456: int sig;
2457:
2458: sig = gdb_handlesig (env, TARGET_SIGTRAP);
2459: if (sig)
2460: {
2461: info.si_signo = sig;
2462: info.si_errno = 0;
2463: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 2464: queue_signal(env, info.si_signo, &info);
1.1.1.5 root 2465: }
2466: }
2467: break;
2468: default:
1.1.1.6 root 2469: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1.1.1.5 root 2470: trapnr);
2471: cpu_dump_state(env, stderr, fprintf, 0);
2472: abort();
2473: }
2474: process_pending_signals(env);
2475: }
2476: }
2477: #endif /* TARGET_M68K */
2478:
1.1.1.6 root 2479: #ifdef TARGET_ALPHA
1.1.1.11 root 2480: static void do_store_exclusive(CPUAlphaState *env, int reg, int quad)
2481: {
2482: target_ulong addr, val, tmp;
2483: target_siginfo_t info;
2484: int ret = 0;
2485:
2486: addr = env->lock_addr;
2487: tmp = env->lock_st_addr;
2488: env->lock_addr = -1;
2489: env->lock_st_addr = 0;
2490:
2491: start_exclusive();
2492: mmap_lock();
2493:
2494: if (addr == tmp) {
2495: if (quad ? get_user_s64(val, addr) : get_user_s32(val, addr)) {
2496: goto do_sigsegv;
2497: }
2498:
2499: if (val == env->lock_value) {
2500: tmp = env->ir[reg];
2501: if (quad ? put_user_u64(tmp, addr) : put_user_u32(tmp, addr)) {
2502: goto do_sigsegv;
2503: }
2504: ret = 1;
2505: }
2506: }
2507: env->ir[reg] = ret;
2508: env->pc += 4;
2509:
2510: mmap_unlock();
2511: end_exclusive();
2512: return;
2513:
2514: do_sigsegv:
2515: mmap_unlock();
2516: end_exclusive();
2517:
2518: info.si_signo = TARGET_SIGSEGV;
2519: info.si_errno = 0;
2520: info.si_code = TARGET_SEGV_MAPERR;
2521: info._sifields._sigfault._addr = addr;
2522: queue_signal(env, TARGET_SIGSEGV, &info);
2523: }
2524:
1.1.1.6 root 2525: void cpu_loop (CPUState *env)
2526: {
2527: int trapnr;
2528: target_siginfo_t info;
1.1.1.11 root 2529: abi_long sysret;
1.1.1.6 root 2530:
2531: while (1) {
2532: trapnr = cpu_alpha_exec (env);
2533:
1.1.1.11 root 2534: /* All of the traps imply a transition through PALcode, which
2535: implies an REI instruction has been executed. Which means
2536: that the intr_flag should be cleared. */
2537: env->intr_flag = 0;
2538:
1.1.1.6 root 2539: switch (trapnr) {
2540: case EXCP_RESET:
2541: fprintf(stderr, "Reset requested. Exit\n");
2542: exit(1);
2543: break;
2544: case EXCP_MCHK:
2545: fprintf(stderr, "Machine check exception. Exit\n");
2546: exit(1);
2547: break;
1.1.1.13! root 2548: case EXCP_SMP_INTERRUPT:
! 2549: case EXCP_CLK_INTERRUPT:
! 2550: case EXCP_DEV_INTERRUPT:
1.1.1.6 root 2551: fprintf(stderr, "External interrupt. Exit\n");
2552: exit(1);
2553: break;
1.1.1.13! root 2554: case EXCP_MMFAULT:
1.1.1.11 root 2555: env->lock_addr = -1;
2556: info.si_signo = TARGET_SIGSEGV;
2557: info.si_errno = 0;
1.1.1.13! root 2558: info.si_code = (page_get_flags(env->trap_arg0) & PAGE_VALID
1.1.1.11 root 2559: ? TARGET_SEGV_ACCERR : TARGET_SEGV_MAPERR);
1.1.1.13! root 2560: info._sifields._sigfault._addr = env->trap_arg0;
1.1.1.11 root 2561: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 2562: break;
2563: case EXCP_UNALIGN:
1.1.1.11 root 2564: env->lock_addr = -1;
2565: info.si_signo = TARGET_SIGBUS;
2566: info.si_errno = 0;
2567: info.si_code = TARGET_BUS_ADRALN;
1.1.1.13! root 2568: info._sifields._sigfault._addr = env->trap_arg0;
1.1.1.11 root 2569: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 2570: break;
2571: case EXCP_OPCDEC:
1.1.1.11 root 2572: do_sigill:
2573: env->lock_addr = -1;
2574: info.si_signo = TARGET_SIGILL;
2575: info.si_errno = 0;
2576: info.si_code = TARGET_ILL_ILLOPC;
2577: info._sifields._sigfault._addr = env->pc;
2578: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 2579: break;
1.1.1.13! root 2580: case EXCP_ARITH:
! 2581: env->lock_addr = -1;
! 2582: info.si_signo = TARGET_SIGFPE;
! 2583: info.si_errno = 0;
! 2584: info.si_code = TARGET_FPE_FLTINV;
! 2585: info._sifields._sigfault._addr = env->pc;
! 2586: queue_signal(env, info.si_signo, &info);
! 2587: break;
1.1.1.6 root 2588: case EXCP_FEN:
1.1.1.11 root 2589: /* No-op. Linux simply re-enables the FPU. */
1.1.1.6 root 2590: break;
1.1.1.13! root 2591: case EXCP_CALL_PAL:
1.1.1.11 root 2592: env->lock_addr = -1;
1.1.1.13! root 2593: switch (env->error_code) {
1.1.1.11 root 2594: case 0x80:
2595: /* BPT */
2596: info.si_signo = TARGET_SIGTRAP;
2597: info.si_errno = 0;
2598: info.si_code = TARGET_TRAP_BRKPT;
2599: info._sifields._sigfault._addr = env->pc;
2600: queue_signal(env, info.si_signo, &info);
2601: break;
2602: case 0x81:
2603: /* BUGCHK */
2604: info.si_signo = TARGET_SIGTRAP;
2605: info.si_errno = 0;
2606: info.si_code = 0;
2607: info._sifields._sigfault._addr = env->pc;
2608: queue_signal(env, info.si_signo, &info);
2609: break;
2610: case 0x83:
2611: /* CALLSYS */
2612: trapnr = env->ir[IR_V0];
2613: sysret = do_syscall(env, trapnr,
2614: env->ir[IR_A0], env->ir[IR_A1],
2615: env->ir[IR_A2], env->ir[IR_A3],
1.1.1.13! root 2616: env->ir[IR_A4], env->ir[IR_A5],
! 2617: 0, 0);
1.1.1.11 root 2618: if (trapnr == TARGET_NR_sigreturn
2619: || trapnr == TARGET_NR_rt_sigreturn) {
2620: break;
2621: }
2622: /* Syscall writes 0 to V0 to bypass error check, similar
2623: to how this is handled internal to Linux kernel. */
2624: if (env->ir[IR_V0] == 0) {
2625: env->ir[IR_V0] = sysret;
2626: } else {
2627: env->ir[IR_V0] = (sysret < 0 ? -sysret : sysret);
2628: env->ir[IR_A3] = (sysret < 0);
2629: }
2630: break;
2631: case 0x86:
2632: /* IMB */
2633: /* ??? We can probably elide the code using page_unprotect
2634: that is checking for self-modifying code. Instead we
2635: could simply call tb_flush here. Until we work out the
2636: changes required to turn off the extra write protection,
2637: this can be a no-op. */
2638: break;
2639: case 0x9E:
2640: /* RDUNIQUE */
2641: /* Handled in the translator for usermode. */
2642: abort();
2643: case 0x9F:
2644: /* WRUNIQUE */
2645: /* Handled in the translator for usermode. */
2646: abort();
2647: case 0xAA:
2648: /* GENTRAP */
2649: info.si_signo = TARGET_SIGFPE;
2650: switch (env->ir[IR_A0]) {
2651: case TARGET_GEN_INTOVF:
2652: info.si_code = TARGET_FPE_INTOVF;
2653: break;
2654: case TARGET_GEN_INTDIV:
2655: info.si_code = TARGET_FPE_INTDIV;
2656: break;
2657: case TARGET_GEN_FLTOVF:
2658: info.si_code = TARGET_FPE_FLTOVF;
2659: break;
2660: case TARGET_GEN_FLTUND:
2661: info.si_code = TARGET_FPE_FLTUND;
2662: break;
2663: case TARGET_GEN_FLTINV:
2664: info.si_code = TARGET_FPE_FLTINV;
2665: break;
2666: case TARGET_GEN_FLTINE:
2667: info.si_code = TARGET_FPE_FLTRES;
2668: break;
2669: case TARGET_GEN_ROPRAND:
2670: info.si_code = 0;
2671: break;
2672: default:
2673: info.si_signo = TARGET_SIGTRAP;
2674: info.si_code = 0;
2675: break;
2676: }
2677: info.si_errno = 0;
2678: info._sifields._sigfault._addr = env->pc;
2679: queue_signal(env, info.si_signo, &info);
2680: break;
2681: default:
2682: goto do_sigill;
2683: }
1.1.1.6 root 2684: break;
2685: case EXCP_DEBUG:
1.1.1.11 root 2686: info.si_signo = gdb_handlesig (env, TARGET_SIGTRAP);
2687: if (info.si_signo) {
2688: env->lock_addr = -1;
2689: info.si_errno = 0;
2690: info.si_code = TARGET_TRAP_BRKPT;
2691: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 2692: }
2693: break;
1.1.1.11 root 2694: case EXCP_STL_C:
2695: case EXCP_STQ_C:
2696: do_store_exclusive(env, env->error_code, trapnr - EXCP_STL_C);
2697: break;
1.1.1.6 root 2698: default:
2699: printf ("Unhandled trap: 0x%x\n", trapnr);
2700: cpu_dump_state(env, stderr, fprintf, 0);
2701: exit (1);
2702: }
2703: process_pending_signals (env);
2704: }
2705: }
2706: #endif /* TARGET_ALPHA */
2707:
1.1.1.13! root 2708: #ifdef TARGET_S390X
! 2709: void cpu_loop(CPUS390XState *env)
! 2710: {
! 2711: int trapnr;
! 2712: target_siginfo_t info;
! 2713:
! 2714: while (1) {
! 2715: trapnr = cpu_s390x_exec (env);
! 2716:
! 2717: switch (trapnr) {
! 2718: case EXCP_INTERRUPT:
! 2719: /* just indicate that signals should be handled asap */
! 2720: break;
! 2721: case EXCP_DEBUG:
! 2722: {
! 2723: int sig;
! 2724:
! 2725: sig = gdb_handlesig (env, TARGET_SIGTRAP);
! 2726: if (sig) {
! 2727: info.si_signo = sig;
! 2728: info.si_errno = 0;
! 2729: info.si_code = TARGET_TRAP_BRKPT;
! 2730: queue_signal(env, info.si_signo, &info);
! 2731: }
! 2732: }
! 2733: break;
! 2734: case EXCP_SVC:
! 2735: {
! 2736: int n = env->int_svc_code;
! 2737: if (!n) {
! 2738: /* syscalls > 255 */
! 2739: n = env->regs[1];
! 2740: }
! 2741: env->psw.addr += env->int_svc_ilc;
! 2742: env->regs[2] = do_syscall(env, n,
! 2743: env->regs[2],
! 2744: env->regs[3],
! 2745: env->regs[4],
! 2746: env->regs[5],
! 2747: env->regs[6],
! 2748: env->regs[7],
! 2749: 0, 0);
! 2750: }
! 2751: break;
! 2752: case EXCP_ADDR:
! 2753: {
! 2754: info.si_signo = SIGSEGV;
! 2755: info.si_errno = 0;
! 2756: /* XXX: check env->error_code */
! 2757: info.si_code = TARGET_SEGV_MAPERR;
! 2758: info._sifields._sigfault._addr = env->__excp_addr;
! 2759: queue_signal(env, info.si_signo, &info);
! 2760: }
! 2761: break;
! 2762: case EXCP_SPEC:
! 2763: {
! 2764: fprintf(stderr,"specification exception insn 0x%08x%04x\n", ldl(env->psw.addr), lduw(env->psw.addr + 4));
! 2765: info.si_signo = SIGILL;
! 2766: info.si_errno = 0;
! 2767: info.si_code = TARGET_ILL_ILLOPC;
! 2768: info._sifields._sigfault._addr = env->__excp_addr;
! 2769: queue_signal(env, info.si_signo, &info);
! 2770: }
! 2771: break;
! 2772: default:
! 2773: printf ("Unhandled trap: 0x%x\n", trapnr);
! 2774: cpu_dump_state(env, stderr, fprintf, 0);
! 2775: exit (1);
! 2776: }
! 2777: process_pending_signals (env);
! 2778: }
! 2779: }
! 2780:
! 2781: #endif /* TARGET_S390X */
! 2782:
! 2783: static void version(void)
! 2784: {
! 2785: printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION
! 2786: ", Copyright (c) 2003-2008 Fabrice Bellard\n");
! 2787: }
! 2788:
1.1.1.7 root 2789: static void usage(void)
1.1 root 2790: {
1.1.1.13! root 2791: version();
! 2792: printf("usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n"
1.1 root 2793: "Linux CPU emulator (compiled for %s emulation)\n"
2794: "\n"
1.1.1.6 root 2795: "Standard options:\n"
2796: "-h print this help\n"
1.1.1.13! root 2797: "-version display version information and exit\n"
1.1.1.6 root 2798: "-g port wait gdb connection to port\n"
2799: "-L path set the elf interpreter prefix (default=%s)\n"
2800: "-s size set the stack size in bytes (default=%ld)\n"
2801: "-cpu model select CPU (-cpu ? for list)\n"
2802: "-drop-ld-preload drop LD_PRELOAD for target process\n"
1.1.1.7 root 2803: "-E var=value sets/modifies targets environment variable(s)\n"
2804: "-U var unsets targets environment variable(s)\n"
1.1.1.8 root 2805: "-0 argv0 forces target process argv[0] to be argv0\n"
1.1.1.9 root 2806: #if defined(CONFIG_USE_GUEST_BASE)
2807: "-B address set guest_base address to address\n"
1.1.1.11 root 2808: "-R size reserve size bytes for guest virtual address space\n"
1.1.1.9 root 2809: #endif
1.1 root 2810: "\n"
1.1.1.6 root 2811: "Debug options:\n"
1.1 root 2812: "-d options activate log (logfile=%s)\n"
1.1.1.6 root 2813: "-p pagesize set the host page size to 'pagesize'\n"
1.1.1.8 root 2814: "-singlestep always run in singlestep mode\n"
1.1.1.6 root 2815: "-strace log system calls\n"
2816: "\n"
2817: "Environment variables:\n"
2818: "QEMU_STRACE Print system calls and arguments similar to the\n"
2819: " 'strace' program. Enable by setting to any value.\n"
1.1.1.7 root 2820: "You can use -E and -U options to set/unset environment variables\n"
2821: "for target process. It is possible to provide several variables\n"
2822: "by repeating the option. For example:\n"
2823: " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n"
2824: "Note that if you provide several changes to single variable\n"
2825: "last change will stay in effect.\n"
1.1.1.6 root 2826: ,
1.1 root 2827: TARGET_ARCH,
1.1.1.6 root 2828: interp_prefix,
1.1.1.11 root 2829: guest_stack_size,
1.1 root 2830: DEBUG_LOGFILE);
1.1.1.7 root 2831: exit(1);
1.1 root 2832: }
2833:
1.1.1.7 root 2834: THREAD CPUState *thread_env;
1.1 root 2835:
1.1.1.8 root 2836: void task_settid(TaskState *ts)
2837: {
2838: if (ts->ts_tid == 0) {
1.1.1.9 root 2839: #ifdef CONFIG_USE_NPTL
1.1.1.8 root 2840: ts->ts_tid = (pid_t)syscall(SYS_gettid);
2841: #else
2842: /* when no threads are used, tid becomes pid */
2843: ts->ts_tid = getpid();
2844: #endif
2845: }
2846: }
2847:
2848: void stop_all_tasks(void)
2849: {
2850: /*
2851: * We trust that when using NPTL, start_exclusive()
2852: * handles thread stopping correctly.
2853: */
2854: start_exclusive();
2855: }
2856:
1.1.1.7 root 2857: /* Assumes contents are already zeroed. */
2858: void init_task_state(TaskState *ts)
2859: {
2860: int i;
2861:
2862: ts->used = 1;
2863: ts->first_free = ts->sigqueue_table;
2864: for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) {
2865: ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1];
2866: }
2867: ts->sigqueue_table[i].next = NULL;
2868: }
2869:
2870: int main(int argc, char **argv, char **envp)
1.1 root 2871: {
2872: const char *filename;
1.1.1.6 root 2873: const char *cpu_model;
1.1.1.13! root 2874: const char *log_file = DEBUG_LOGFILE;
! 2875: const char *log_mask = NULL;
1.1 root 2876: struct target_pt_regs regs1, *regs = ®s1;
2877: struct image_info info1, *info = &info1;
1.1.1.8 root 2878: struct linux_binprm bprm;
1.1.1.12 root 2879: TaskState *ts;
1.1 root 2880: CPUState *env;
2881: int optind;
2882: const char *r;
1.1.1.2 root 2883: int gdbstub_port = 0;
1.1.1.7 root 2884: char **target_environ, **wrk;
1.1.1.8 root 2885: char **target_argv;
2886: int target_argc;
1.1.1.7 root 2887: envlist_t *envlist = NULL;
1.1.1.8 root 2888: const char *argv0 = NULL;
2889: int i;
2890: int ret;
1.1.1.6 root 2891:
1.1 root 2892: if (argc <= 1)
2893: usage();
2894:
1.1.1.7 root 2895: qemu_cache_utils_init(envp);
2896:
2897: if ((envlist = envlist_create()) == NULL) {
2898: (void) fprintf(stderr, "Unable to allocate envlist\n");
2899: exit(1);
2900: }
2901:
2902: /* add current environment into the list */
2903: for (wrk = environ; *wrk != NULL; wrk++) {
2904: (void) envlist_setenv(envlist, *wrk);
2905: }
2906:
1.1.1.11 root 2907: /* Read the stack limit from the kernel. If it's "unlimited",
2908: then we can do little else besides use the default. */
2909: {
2910: struct rlimit lim;
2911: if (getrlimit(RLIMIT_STACK, &lim) == 0
2912: && lim.rlim_cur != RLIM_INFINITY
2913: && lim.rlim_cur == (target_long)lim.rlim_cur) {
2914: guest_stack_size = lim.rlim_cur;
2915: }
2916: }
2917:
1.1.1.6 root 2918: cpu_model = NULL;
1.1.1.11 root 2919: #if defined(cpudef_setup)
2920: cpudef_setup(); /* parse cpu definitions in target config file (TBD) */
2921: #endif
2922:
1.1 root 2923: optind = 1;
2924: for(;;) {
2925: if (optind >= argc)
2926: break;
2927: r = argv[optind];
2928: if (r[0] != '-')
2929: break;
2930: optind++;
2931: r++;
2932: if (!strcmp(r, "-")) {
2933: break;
2934: } else if (!strcmp(r, "d")) {
1.1.1.13! root 2935: if (optind >= argc) {
1.1 root 2936: break;
2937: }
1.1.1.13! root 2938: log_mask = argv[optind++];
! 2939: } else if (!strcmp(r, "D")) {
! 2940: if (optind >= argc) {
! 2941: break;
! 2942: }
! 2943: log_file = argv[optind++];
1.1.1.7 root 2944: } else if (!strcmp(r, "E")) {
2945: r = argv[optind++];
2946: if (envlist_setenv(envlist, r) != 0)
2947: usage();
1.1.1.12 root 2948: } else if (!strcmp(r, "ignore-environment")) {
2949: envlist_free(envlist);
2950: if ((envlist = envlist_create()) == NULL) {
2951: (void) fprintf(stderr, "Unable to allocate envlist\n");
2952: exit(1);
2953: }
1.1.1.7 root 2954: } else if (!strcmp(r, "U")) {
2955: r = argv[optind++];
2956: if (envlist_unsetenv(envlist, r) != 0)
2957: usage();
1.1.1.8 root 2958: } else if (!strcmp(r, "0")) {
2959: r = argv[optind++];
2960: argv0 = r;
1.1 root 2961: } else if (!strcmp(r, "s")) {
1.1.1.7 root 2962: if (optind >= argc)
2963: break;
1.1 root 2964: r = argv[optind++];
1.1.1.11 root 2965: guest_stack_size = strtoul(r, (char **)&r, 0);
2966: if (guest_stack_size == 0)
1.1 root 2967: usage();
2968: if (*r == 'M')
1.1.1.11 root 2969: guest_stack_size *= 1024 * 1024;
1.1 root 2970: else if (*r == 'k' || *r == 'K')
1.1.1.11 root 2971: guest_stack_size *= 1024;
1.1 root 2972: } else if (!strcmp(r, "L")) {
2973: interp_prefix = argv[optind++];
2974: } else if (!strcmp(r, "p")) {
1.1.1.7 root 2975: if (optind >= argc)
2976: break;
1.1 root 2977: qemu_host_page_size = atoi(argv[optind++]);
2978: if (qemu_host_page_size == 0 ||
2979: (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
2980: fprintf(stderr, "page size must be a power of two\n");
2981: exit(1);
2982: }
2983: } else if (!strcmp(r, "g")) {
1.1.1.7 root 2984: if (optind >= argc)
2985: break;
1.1.1.2 root 2986: gdbstub_port = atoi(argv[optind++]);
1.1.1.4 root 2987: } else if (!strcmp(r, "r")) {
2988: qemu_uname_release = argv[optind++];
1.1.1.6 root 2989: } else if (!strcmp(r, "cpu")) {
2990: cpu_model = argv[optind++];
1.1.1.7 root 2991: if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) {
1.1.1.6 root 2992: /* XXX: implement xxx_cpu_list for targets that still miss it */
1.1.1.11 root 2993: #if defined(cpu_list_id)
2994: cpu_list_id(stdout, &fprintf, "");
2995: #elif defined(cpu_list)
2996: cpu_list(stdout, &fprintf); /* deprecated */
1.1.1.6 root 2997: #endif
1.1.1.7 root 2998: exit(1);
1.1.1.6 root 2999: }
1.1.1.9 root 3000: #if defined(CONFIG_USE_GUEST_BASE)
3001: } else if (!strcmp(r, "B")) {
3002: guest_base = strtol(argv[optind++], NULL, 0);
3003: have_guest_base = 1;
1.1.1.11 root 3004: } else if (!strcmp(r, "R")) {
3005: char *p;
3006: int shift = 0;
3007: reserved_va = strtoul(argv[optind++], &p, 0);
3008: switch (*p) {
3009: case 'k':
3010: case 'K':
3011: shift = 10;
3012: break;
3013: case 'M':
3014: shift = 20;
3015: break;
3016: case 'G':
3017: shift = 30;
3018: break;
3019: }
3020: if (shift) {
3021: unsigned long unshifted = reserved_va;
3022: p++;
3023: reserved_va <<= shift;
3024: if (((reserved_va >> shift) != unshifted)
3025: #if HOST_LONG_BITS > TARGET_VIRT_ADDR_SPACE_BITS
3026: || (reserved_va > (1ul << TARGET_VIRT_ADDR_SPACE_BITS))
3027: #endif
3028: ) {
3029: fprintf(stderr, "Reserved virtual address too big\n");
3030: exit(1);
3031: }
3032: }
3033: if (*p) {
3034: fprintf(stderr, "Unrecognised -R size suffix '%s'\n", p);
3035: exit(1);
3036: }
1.1.1.9 root 3037: #endif
1.1.1.6 root 3038: } else if (!strcmp(r, "drop-ld-preload")) {
1.1.1.7 root 3039: (void) envlist_unsetenv(envlist, "LD_PRELOAD");
1.1.1.8 root 3040: } else if (!strcmp(r, "singlestep")) {
3041: singlestep = 1;
1.1.1.6 root 3042: } else if (!strcmp(r, "strace")) {
3043: do_strace = 1;
1.1.1.13! root 3044: } else if (!strcmp(r, "version")) {
! 3045: version();
! 3046: exit(0);
! 3047: } else {
1.1 root 3048: usage();
3049: }
3050: }
1.1.1.13! root 3051: /* init debug */
! 3052: cpu_set_log_filename(log_file);
! 3053: if (log_mask) {
! 3054: int mask;
! 3055: const CPULogItem *item;
! 3056:
! 3057: mask = cpu_str_to_log_mask(log_mask);
! 3058: if (!mask) {
! 3059: printf("Log items (comma separated):\n");
! 3060: for (item = cpu_log_items; item->mask != 0; item++) {
! 3061: printf("%-10s %s\n", item->name, item->help);
! 3062: }
! 3063: exit(1);
! 3064: }
! 3065: cpu_set_log(mask);
! 3066: }
! 3067:
! 3068: if (optind >= argc) {
1.1 root 3069: usage();
1.1.1.13! root 3070: }
1.1 root 3071: filename = argv[optind];
1.1.1.7 root 3072: exec_path = argv[optind];
1.1 root 3073:
3074: /* Zero out regs */
3075: memset(regs, 0, sizeof(struct target_pt_regs));
3076:
3077: /* Zero out image_info */
3078: memset(info, 0, sizeof(struct image_info));
3079:
1.1.1.8 root 3080: memset(&bprm, 0, sizeof (bprm));
3081:
1.1 root 3082: /* Scan interp_prefix dir for replacement files. */
3083: init_paths(interp_prefix);
3084:
1.1.1.6 root 3085: if (cpu_model == NULL) {
3086: #if defined(TARGET_I386)
3087: #ifdef TARGET_X86_64
3088: cpu_model = "qemu64";
3089: #else
3090: cpu_model = "qemu32";
3091: #endif
3092: #elif defined(TARGET_ARM)
1.1.1.8 root 3093: cpu_model = "any";
1.1.1.13! root 3094: #elif defined(TARGET_UNICORE32)
! 3095: cpu_model = "any";
1.1.1.6 root 3096: #elif defined(TARGET_M68K)
3097: cpu_model = "any";
3098: #elif defined(TARGET_SPARC)
3099: #ifdef TARGET_SPARC64
3100: cpu_model = "TI UltraSparc II";
3101: #else
3102: cpu_model = "Fujitsu MB86904";
3103: #endif
3104: #elif defined(TARGET_MIPS)
3105: #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
3106: cpu_model = "20Kc";
3107: #else
3108: cpu_model = "24Kf";
3109: #endif
3110: #elif defined(TARGET_PPC)
3111: #ifdef TARGET_PPC64
1.1.1.10 root 3112: cpu_model = "970fx";
1.1.1.6 root 3113: #else
3114: cpu_model = "750";
3115: #endif
3116: #else
3117: cpu_model = "any";
3118: #endif
3119: }
1.1.1.7 root 3120: cpu_exec_init_all(0);
1.1 root 3121: /* NOTE: we need to init the CPU at this stage to get
3122: qemu_host_page_size */
1.1.1.6 root 3123: env = cpu_init(cpu_model);
3124: if (!env) {
3125: fprintf(stderr, "Unable to find CPU definition\n");
3126: exit(1);
3127: }
1.1.1.9 root 3128: #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
3129: cpu_reset(env);
3130: #endif
3131:
1.1.1.7 root 3132: thread_env = env;
1.1.1.6 root 3133:
3134: if (getenv("QEMU_STRACE")) {
3135: do_strace = 1;
1.1 root 3136: }
1.1.1.6 root 3137:
1.1.1.7 root 3138: target_environ = envlist_to_environ(envlist, NULL);
3139: envlist_free(envlist);
1.1.1.6 root 3140:
1.1.1.9 root 3141: #if defined(CONFIG_USE_GUEST_BASE)
3142: /*
3143: * Now that page sizes are configured in cpu_init() we can do
3144: * proper page alignment for guest_base.
3145: */
3146: guest_base = HOST_PAGE_ALIGN(guest_base);
3147:
1.1.1.11 root 3148: if (reserved_va) {
3149: void *p;
3150: int flags;
3151:
3152: flags = MAP_ANONYMOUS | MAP_PRIVATE | MAP_NORESERVE;
3153: if (have_guest_base) {
3154: flags |= MAP_FIXED;
3155: }
3156: p = mmap((void *)guest_base, reserved_va, PROT_NONE, flags, -1, 0);
3157: if (p == MAP_FAILED) {
3158: fprintf(stderr, "Unable to reserve guest address space\n");
3159: exit(1);
3160: }
3161: guest_base = (unsigned long)p;
3162: /* Make sure the address is properly aligned. */
3163: if (guest_base & ~qemu_host_page_mask) {
3164: munmap(p, reserved_va);
3165: p = mmap((void *)guest_base, reserved_va + qemu_host_page_size,
3166: PROT_NONE, flags, -1, 0);
3167: if (p == MAP_FAILED) {
3168: fprintf(stderr, "Unable to reserve guest address space\n");
3169: exit(1);
3170: }
3171: guest_base = HOST_PAGE_ALIGN((unsigned long)p);
3172: }
3173: qemu_log("Reserved 0x%lx bytes of guest address space\n", reserved_va);
3174: }
3175: #endif /* CONFIG_USE_GUEST_BASE */
3176:
1.1.1.9 root 3177: /*
3178: * Read in mmap_min_addr kernel parameter. This value is used
3179: * When loading the ELF image to determine whether guest_base
1.1.1.11 root 3180: * is needed. It is also used in mmap_find_vma.
1.1.1.9 root 3181: */
1.1.1.11 root 3182: {
1.1.1.9 root 3183: FILE *fp;
3184:
3185: if ((fp = fopen("/proc/sys/vm/mmap_min_addr", "r")) != NULL) {
3186: unsigned long tmp;
3187: if (fscanf(fp, "%lu", &tmp) == 1) {
3188: mmap_min_addr = tmp;
3189: qemu_log("host mmap_min_addr=0x%lx\n", mmap_min_addr);
3190: }
3191: fclose(fp);
3192: }
3193: }
3194:
1.1.1.8 root 3195: /*
3196: * Prepare copy of argv vector for target.
3197: */
3198: target_argc = argc - optind;
3199: target_argv = calloc(target_argc + 1, sizeof (char *));
3200: if (target_argv == NULL) {
3201: (void) fprintf(stderr, "Unable to allocate memory for target_argv\n");
3202: exit(1);
3203: }
3204:
3205: /*
3206: * If argv0 is specified (using '-0' switch) we replace
3207: * argv[0] pointer with the given one.
3208: */
3209: i = 0;
3210: if (argv0 != NULL) {
3211: target_argv[i++] = strdup(argv0);
3212: }
3213: for (; i < target_argc; i++) {
3214: target_argv[i] = strdup(argv[optind + i]);
3215: }
3216: target_argv[target_argc] = NULL;
3217:
1.1.1.12 root 3218: ts = qemu_mallocz (sizeof(TaskState));
1.1.1.8 root 3219: init_task_state(ts);
3220: /* build Task State */
3221: ts->info = info;
3222: ts->bprm = &bprm;
3223: env->opaque = ts;
3224: task_settid(ts);
3225:
3226: ret = loader_exec(filename, target_argv, target_environ, regs,
3227: info, &bprm);
3228: if (ret != 0) {
3229: printf("Error %d while loading %s\n", ret, filename);
1.1.1.6 root 3230: _exit(1);
3231: }
3232:
1.1.1.8 root 3233: for (i = 0; i < target_argc; i++) {
3234: free(target_argv[i]);
3235: }
3236: free(target_argv);
3237:
1.1.1.6 root 3238: for (wrk = target_environ; *wrk; wrk++) {
3239: free(*wrk);
3240: }
3241:
3242: free(target_environ);
3243:
1.1.1.7 root 3244: if (qemu_log_enabled()) {
1.1.1.9 root 3245: #if defined(CONFIG_USE_GUEST_BASE)
3246: qemu_log("guest_base 0x%lx\n", guest_base);
3247: #endif
1.1.1.7 root 3248: log_page_dump();
1.1.1.6 root 3249:
1.1.1.7 root 3250: qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
3251: qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code);
3252: qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n",
3253: info->start_code);
3254: qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n",
3255: info->start_data);
3256: qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data);
3257: qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n",
3258: info->start_stack);
3259: qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk);
3260: qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry);
1.1 root 3261: }
3262:
1.1.1.3 root 3263: target_set_brk(info->brk);
1.1 root 3264: syscall_init();
3265: signal_init();
3266:
1.1.1.11 root 3267: #if defined(CONFIG_USE_GUEST_BASE)
3268: /* Now that we've loaded the binary, GUEST_BASE is fixed. Delay
3269: generating the prologue until now so that the prologue can take
3270: the real value of GUEST_BASE into account. */
3271: tcg_prologue_init(&tcg_ctx);
3272: #endif
3273:
1.1 root 3274: #if defined(TARGET_I386)
3275: cpu_x86_set_cpl(env, 3);
3276:
3277: env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
3278: env->hflags |= HF_PE_MASK;
3279: if (env->cpuid_features & CPUID_SSE) {
3280: env->cr[4] |= CR4_OSFXSR_MASK;
3281: env->hflags |= HF_OSFXSR_MASK;
3282: }
1.1.1.6 root 3283: #ifndef TARGET_ABI32
3284: /* enable 64 bit mode if possible */
3285: if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) {
3286: fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n");
3287: exit(1);
3288: }
3289: env->cr[4] |= CR4_PAE_MASK;
3290: env->efer |= MSR_EFER_LMA | MSR_EFER_LME;
3291: env->hflags |= HF_LMA_MASK;
3292: #endif
1.1 root 3293:
3294: /* flags setup : we activate the IRQs by default as in user mode */
3295: env->eflags |= IF_MASK;
1.1.1.6 root 3296:
1.1 root 3297: /* linux register setup */
1.1.1.6 root 3298: #ifndef TARGET_ABI32
3299: env->regs[R_EAX] = regs->rax;
3300: env->regs[R_EBX] = regs->rbx;
3301: env->regs[R_ECX] = regs->rcx;
3302: env->regs[R_EDX] = regs->rdx;
3303: env->regs[R_ESI] = regs->rsi;
3304: env->regs[R_EDI] = regs->rdi;
3305: env->regs[R_EBP] = regs->rbp;
3306: env->regs[R_ESP] = regs->rsp;
3307: env->eip = regs->rip;
3308: #else
1.1 root 3309: env->regs[R_EAX] = regs->eax;
3310: env->regs[R_EBX] = regs->ebx;
3311: env->regs[R_ECX] = regs->ecx;
3312: env->regs[R_EDX] = regs->edx;
3313: env->regs[R_ESI] = regs->esi;
3314: env->regs[R_EDI] = regs->edi;
3315: env->regs[R_EBP] = regs->ebp;
3316: env->regs[R_ESP] = regs->esp;
3317: env->eip = regs->eip;
1.1.1.6 root 3318: #endif
1.1 root 3319:
3320: /* linux interrupt setup */
1.1.1.7 root 3321: #ifndef TARGET_ABI32
3322: env->idt.limit = 511;
3323: #else
3324: env->idt.limit = 255;
3325: #endif
3326: env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),
3327: PROT_READ|PROT_WRITE,
3328: MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3329: idt_table = g2h(env->idt.base);
1.1 root 3330: set_idt(0, 0);
3331: set_idt(1, 0);
3332: set_idt(2, 0);
3333: set_idt(3, 3);
3334: set_idt(4, 3);
1.1.1.7 root 3335: set_idt(5, 0);
1.1 root 3336: set_idt(6, 0);
3337: set_idt(7, 0);
3338: set_idt(8, 0);
3339: set_idt(9, 0);
3340: set_idt(10, 0);
3341: set_idt(11, 0);
3342: set_idt(12, 0);
3343: set_idt(13, 0);
3344: set_idt(14, 0);
3345: set_idt(15, 0);
3346: set_idt(16, 0);
3347: set_idt(17, 0);
3348: set_idt(18, 0);
3349: set_idt(19, 0);
3350: set_idt(0x80, 3);
3351:
3352: /* linux segment setup */
1.1.1.6 root 3353: {
3354: uint64_t *gdt_table;
1.1.1.7 root 3355: env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
3356: PROT_READ|PROT_WRITE,
3357: MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
1.1.1.6 root 3358: env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;
1.1.1.7 root 3359: gdt_table = g2h(env->gdt.base);
1.1.1.6 root 3360: #ifdef TARGET_ABI32
3361: write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
3362: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
3363: (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
3364: #else
3365: /* 64 bit code segment */
3366: write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
3367: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
3368: DESC_L_MASK |
3369: (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
3370: #endif
3371: write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
3372: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
3373: (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
3374: }
1.1 root 3375: cpu_x86_load_seg(env, R_CS, __USER_CS);
1.1.1.6 root 3376: cpu_x86_load_seg(env, R_SS, __USER_DS);
3377: #ifdef TARGET_ABI32
1.1 root 3378: cpu_x86_load_seg(env, R_DS, __USER_DS);
3379: cpu_x86_load_seg(env, R_ES, __USER_DS);
3380: cpu_x86_load_seg(env, R_FS, __USER_DS);
3381: cpu_x86_load_seg(env, R_GS, __USER_DS);
1.1.1.6 root 3382: /* This hack makes Wine work... */
3383: env->segs[R_FS].selector = 0;
3384: #else
3385: cpu_x86_load_seg(env, R_DS, 0);
3386: cpu_x86_load_seg(env, R_ES, 0);
3387: cpu_x86_load_seg(env, R_FS, 0);
3388: cpu_x86_load_seg(env, R_GS, 0);
3389: #endif
1.1 root 3390: #elif defined(TARGET_ARM)
3391: {
3392: int i;
1.1.1.2 root 3393: cpsr_write(env, regs->uregs[16], 0xffffffff);
1.1 root 3394: for(i = 0; i < 16; i++) {
3395: env->regs[i] = regs->uregs[i];
3396: }
3397: }
1.1.1.13! root 3398: #elif defined(TARGET_UNICORE32)
! 3399: {
! 3400: int i;
! 3401: cpu_asr_write(env, regs->uregs[32], 0xffffffff);
! 3402: for (i = 0; i < 32; i++) {
! 3403: env->regs[i] = regs->uregs[i];
! 3404: }
! 3405: }
1.1 root 3406: #elif defined(TARGET_SPARC)
3407: {
3408: int i;
3409: env->pc = regs->pc;
3410: env->npc = regs->npc;
3411: env->y = regs->y;
3412: for(i = 0; i < 8; i++)
3413: env->gregs[i] = regs->u_regs[i];
3414: for(i = 0; i < 8; i++)
3415: env->regwptr[i] = regs->u_regs[i + 8];
3416: }
3417: #elif defined(TARGET_PPC)
3418: {
3419: int i;
3420:
1.1.1.6 root 3421: #if defined(TARGET_PPC64)
3422: #if defined(TARGET_ABI32)
3423: env->msr &= ~((target_ulong)1 << MSR_SF);
3424: #else
3425: env->msr |= (target_ulong)1 << MSR_SF;
3426: #endif
3427: #endif
1.1 root 3428: env->nip = regs->nip;
3429: for(i = 0; i < 32; i++) {
3430: env->gpr[i] = regs->gpr[i];
3431: }
3432: }
1.1.1.5 root 3433: #elif defined(TARGET_M68K)
3434: {
3435: env->pc = regs->pc;
3436: env->dregs[0] = regs->d0;
3437: env->dregs[1] = regs->d1;
3438: env->dregs[2] = regs->d2;
3439: env->dregs[3] = regs->d3;
3440: env->dregs[4] = regs->d4;
3441: env->dregs[5] = regs->d5;
3442: env->dregs[6] = regs->d6;
3443: env->dregs[7] = regs->d7;
3444: env->aregs[0] = regs->a0;
3445: env->aregs[1] = regs->a1;
3446: env->aregs[2] = regs->a2;
3447: env->aregs[3] = regs->a3;
3448: env->aregs[4] = regs->a4;
3449: env->aregs[5] = regs->a5;
3450: env->aregs[6] = regs->a6;
3451: env->aregs[7] = regs->usp;
3452: env->sr = regs->sr;
3453: ts->sim_syscalls = 1;
3454: }
1.1.1.8 root 3455: #elif defined(TARGET_MICROBLAZE)
3456: {
3457: env->regs[0] = regs->r0;
3458: env->regs[1] = regs->r1;
3459: env->regs[2] = regs->r2;
3460: env->regs[3] = regs->r3;
3461: env->regs[4] = regs->r4;
3462: env->regs[5] = regs->r5;
3463: env->regs[6] = regs->r6;
3464: env->regs[7] = regs->r7;
3465: env->regs[8] = regs->r8;
3466: env->regs[9] = regs->r9;
3467: env->regs[10] = regs->r10;
3468: env->regs[11] = regs->r11;
3469: env->regs[12] = regs->r12;
3470: env->regs[13] = regs->r13;
3471: env->regs[14] = regs->r14;
3472: env->regs[15] = regs->r15;
3473: env->regs[16] = regs->r16;
3474: env->regs[17] = regs->r17;
3475: env->regs[18] = regs->r18;
3476: env->regs[19] = regs->r19;
3477: env->regs[20] = regs->r20;
3478: env->regs[21] = regs->r21;
3479: env->regs[22] = regs->r22;
3480: env->regs[23] = regs->r23;
3481: env->regs[24] = regs->r24;
3482: env->regs[25] = regs->r25;
3483: env->regs[26] = regs->r26;
3484: env->regs[27] = regs->r27;
3485: env->regs[28] = regs->r28;
3486: env->regs[29] = regs->r29;
3487: env->regs[30] = regs->r30;
3488: env->regs[31] = regs->r31;
3489: env->sregs[SR_PC] = regs->pc;
3490: }
1.1.1.2 root 3491: #elif defined(TARGET_MIPS)
3492: {
3493: int i;
3494:
3495: for(i = 0; i < 32; i++) {
1.1.1.7 root 3496: env->active_tc.gpr[i] = regs->regs[i];
1.1.1.2 root 3497: }
1.1.1.11 root 3498: env->active_tc.PC = regs->cp0_epc & ~(target_ulong)1;
3499: if (regs->cp0_epc & 1) {
3500: env->hflags |= MIPS_HFLAG_M16;
3501: }
1.1.1.2 root 3502: }
1.1.1.3 root 3503: #elif defined(TARGET_SH4)
3504: {
3505: int i;
3506:
3507: for(i = 0; i < 16; i++) {
3508: env->gregs[i] = regs->regs[i];
3509: }
3510: env->pc = regs->pc;
3511: }
1.1.1.6 root 3512: #elif defined(TARGET_ALPHA)
3513: {
3514: int i;
3515:
3516: for(i = 0; i < 28; i++) {
3517: env->ir[i] = ((abi_ulong *)regs)[i];
3518: }
1.1.1.11 root 3519: env->ir[IR_SP] = regs->usp;
1.1.1.6 root 3520: env->pc = regs->pc;
3521: }
3522: #elif defined(TARGET_CRIS)
3523: {
3524: env->regs[0] = regs->r0;
3525: env->regs[1] = regs->r1;
3526: env->regs[2] = regs->r2;
3527: env->regs[3] = regs->r3;
3528: env->regs[4] = regs->r4;
3529: env->regs[5] = regs->r5;
3530: env->regs[6] = regs->r6;
3531: env->regs[7] = regs->r7;
3532: env->regs[8] = regs->r8;
3533: env->regs[9] = regs->r9;
3534: env->regs[10] = regs->r10;
3535: env->regs[11] = regs->r11;
3536: env->regs[12] = regs->r12;
3537: env->regs[13] = regs->r13;
3538: env->regs[14] = info->start_stack;
3539: env->regs[15] = regs->acr;
3540: env->pc = regs->erp;
3541: }
1.1.1.13! root 3542: #elif defined(TARGET_S390X)
! 3543: {
! 3544: int i;
! 3545: for (i = 0; i < 16; i++) {
! 3546: env->regs[i] = regs->gprs[i];
! 3547: }
! 3548: env->psw.mask = regs->psw.mask;
! 3549: env->psw.addr = regs->psw.addr;
! 3550: }
1.1 root 3551: #else
3552: #error unsupported target CPU
3553: #endif
3554:
1.1.1.13! root 3555: #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
1.1.1.6 root 3556: ts->stack_base = info->start_stack;
3557: ts->heap_base = info->brk;
3558: /* This will be filled in on the first SYS_HEAPINFO call. */
3559: ts->heap_limit = 0;
3560: #endif
3561:
1.1.1.2 root 3562: if (gdbstub_port) {
3563: gdbserver_start (gdbstub_port);
1.1 root 3564: gdb_handlesig(env, 0);
3565: }
3566: cpu_loop(env);
3567: /* never exits */
3568: return 0;
3569: }
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