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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 root 27:
28: #include "qemu.h"
1.1.1.7 root 29: #include "qemu-common.h"
30: #include "cache-utils.h"
31: /* For tb_lock */
32: #include "exec-all.h"
33:
34:
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;
! 42:
1.1 root 43: static const char *interp_prefix = CONFIG_QEMU_PREFIX;
1.1.1.4 root 44: const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
1.1 root 45:
46: #if defined(__i386__) && !defined(CONFIG_STATIC)
47: /* Force usage of an ELF interpreter even if it is an ELF shared
48: object ! */
49: const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
50: #endif
51:
52: /* for recent libc, we add these dummy symbols which are not declared
53: when generating a linked object (bug in ld ?) */
54: #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
1.1.1.6 root 55: asm(".globl __preinit_array_start\n"
56: ".globl __preinit_array_end\n"
57: ".globl __init_array_start\n"
58: ".globl __init_array_end\n"
59: ".globl __fini_array_start\n"
60: ".globl __fini_array_end\n"
61: ".section \".rodata\"\n"
62: "__preinit_array_start:\n"
63: "__preinit_array_end:\n"
64: "__init_array_start:\n"
65: "__init_array_end:\n"
66: "__fini_array_start:\n"
67: "__fini_array_end:\n"
1.1.1.7 root 68: ".long 0\n"
69: ".previous\n");
1.1 root 70: #endif
71:
72: /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
73: we allocate a bigger stack. Need a better solution, for example
74: by remapping the process stack directly at the right place */
75: unsigned long x86_stack_size = 512 * 1024;
76:
77: void gemu_log(const char *fmt, ...)
78: {
79: va_list ap;
80:
81: va_start(ap, fmt);
82: vfprintf(stderr, fmt, ap);
83: va_end(ap);
84: }
85:
1.1.1.7 root 86: #if defined(TARGET_I386)
1.1 root 87: int cpu_get_pic_interrupt(CPUState *env)
88: {
89: return -1;
90: }
1.1.1.7 root 91: #endif
1.1 root 92:
93: /* timers for rdtsc */
94:
1.1.1.4 root 95: #if 0
1.1 root 96:
97: static uint64_t emu_time;
98:
99: int64_t cpu_get_real_ticks(void)
100: {
101: return emu_time++;
102: }
103:
104: #endif
105:
1.1.1.7 root 106: #if defined(USE_NPTL)
107: /***********************************************************/
108: /* Helper routines for implementing atomic operations. */
109:
110: /* To implement exclusive operations we force all cpus to syncronise.
111: We don't require a full sync, only that no cpus are executing guest code.
112: The alternative is to map target atomic ops onto host equivalents,
113: which requires quite a lot of per host/target work. */
1.1.1.8 ! root 114: static pthread_mutex_t cpu_list_mutex = PTHREAD_MUTEX_INITIALIZER;
1.1.1.7 root 115: static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER;
116: static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER;
117: static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER;
118: static int pending_cpus;
119:
120: /* Make sure everything is in a consistent state for calling fork(). */
121: void fork_start(void)
122: {
123: mmap_fork_start();
124: pthread_mutex_lock(&tb_lock);
125: pthread_mutex_lock(&exclusive_lock);
126: }
127:
128: void fork_end(int child)
129: {
130: if (child) {
131: /* Child processes created by fork() only have a single thread.
132: Discard information about the parent threads. */
133: first_cpu = thread_env;
134: thread_env->next_cpu = NULL;
135: pending_cpus = 0;
136: pthread_mutex_init(&exclusive_lock, NULL);
1.1.1.8 ! root 137: pthread_mutex_init(&cpu_list_mutex, NULL);
1.1.1.7 root 138: pthread_cond_init(&exclusive_cond, NULL);
139: pthread_cond_init(&exclusive_resume, NULL);
140: pthread_mutex_init(&tb_lock, NULL);
141: gdbserver_fork(thread_env);
142: } else {
143: pthread_mutex_unlock(&exclusive_lock);
144: pthread_mutex_unlock(&tb_lock);
145: }
146: mmap_fork_end(child);
147: }
148:
149: /* Wait for pending exclusive operations to complete. The exclusive lock
150: must be held. */
151: static inline void exclusive_idle(void)
152: {
153: while (pending_cpus) {
154: pthread_cond_wait(&exclusive_resume, &exclusive_lock);
155: }
156: }
157:
158: /* Start an exclusive operation.
159: Must only be called from outside cpu_arm_exec. */
160: static inline void start_exclusive(void)
161: {
162: CPUState *other;
163: pthread_mutex_lock(&exclusive_lock);
164: exclusive_idle();
165:
166: pending_cpus = 1;
167: /* Make all other cpus stop executing. */
168: for (other = first_cpu; other; other = other->next_cpu) {
169: if (other->running) {
170: pending_cpus++;
1.1.1.8 ! root 171: cpu_exit(other);
1.1.1.7 root 172: }
173: }
174: if (pending_cpus > 1) {
175: pthread_cond_wait(&exclusive_cond, &exclusive_lock);
176: }
177: }
178:
179: /* Finish an exclusive operation. */
180: static inline void end_exclusive(void)
181: {
182: pending_cpus = 0;
183: pthread_cond_broadcast(&exclusive_resume);
184: pthread_mutex_unlock(&exclusive_lock);
185: }
186:
187: /* Wait for exclusive ops to finish, and begin cpu execution. */
188: static inline void cpu_exec_start(CPUState *env)
189: {
190: pthread_mutex_lock(&exclusive_lock);
191: exclusive_idle();
192: env->running = 1;
193: pthread_mutex_unlock(&exclusive_lock);
194: }
195:
196: /* Mark cpu as not executing, and release pending exclusive ops. */
197: static inline void cpu_exec_end(CPUState *env)
198: {
199: pthread_mutex_lock(&exclusive_lock);
200: env->running = 0;
201: if (pending_cpus > 1) {
202: pending_cpus--;
203: if (pending_cpus == 1) {
204: pthread_cond_signal(&exclusive_cond);
205: }
206: }
207: exclusive_idle();
208: pthread_mutex_unlock(&exclusive_lock);
209: }
1.1.1.8 ! root 210:
! 211: void cpu_list_lock(void)
! 212: {
! 213: pthread_mutex_lock(&cpu_list_mutex);
! 214: }
! 215:
! 216: void cpu_list_unlock(void)
! 217: {
! 218: pthread_mutex_unlock(&cpu_list_mutex);
! 219: }
1.1.1.7 root 220: #else /* if !USE_NPTL */
221: /* These are no-ops because we are not threadsafe. */
222: static inline void cpu_exec_start(CPUState *env)
223: {
224: }
225:
226: static inline void cpu_exec_end(CPUState *env)
227: {
228: }
229:
230: static inline void start_exclusive(void)
231: {
232: }
233:
234: static inline void end_exclusive(void)
235: {
236: }
237:
238: void fork_start(void)
239: {
240: }
241:
242: void fork_end(int child)
243: {
244: if (child) {
245: gdbserver_fork(thread_env);
246: }
247: }
1.1.1.8 ! root 248:
! 249: void cpu_list_lock(void)
! 250: {
! 251: }
! 252:
! 253: void cpu_list_unlock(void)
! 254: {
! 255: }
1.1.1.7 root 256: #endif
257:
258:
1.1 root 259: #ifdef TARGET_I386
260: /***********************************************************/
261: /* CPUX86 core interface */
262:
1.1.1.5 root 263: void cpu_smm_update(CPUState *env)
264: {
265: }
266:
1.1 root 267: uint64_t cpu_get_tsc(CPUX86State *env)
268: {
269: return cpu_get_real_ticks();
270: }
271:
1.1.1.6 root 272: static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
1.1 root 273: int flags)
274: {
275: unsigned int e1, e2;
1.1.1.3 root 276: uint32_t *p;
1.1 root 277: e1 = (addr << 16) | (limit & 0xffff);
278: e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
279: e2 |= flags;
1.1.1.3 root 280: p = ptr;
1.1.1.7 root 281: p[0] = tswap32(e1);
282: p[1] = tswap32(e2);
1.1 root 283: }
284:
1.1.1.7 root 285: static uint64_t *idt_table;
286: #ifdef TARGET_X86_64
1.1.1.6 root 287: static void set_gate64(void *ptr, unsigned int type, unsigned int dpl,
288: uint64_t addr, unsigned int sel)
1.1 root 289: {
1.1.1.6 root 290: uint32_t *p, e1, e2;
1.1 root 291: e1 = (addr & 0xffff) | (sel << 16);
292: e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
1.1.1.3 root 293: p = ptr;
1.1.1.6 root 294: p[0] = tswap32(e1);
295: p[1] = tswap32(e2);
296: p[2] = tswap32(addr >> 32);
297: p[3] = 0;
1.1 root 298: }
1.1.1.6 root 299: /* only dpl matters as we do only user space emulation */
300: static void set_idt(int n, unsigned int dpl)
301: {
302: set_gate64(idt_table + n * 2, 0, dpl, 0, 0);
303: }
304: #else
305: static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
306: uint32_t addr, unsigned int sel)
307: {
308: uint32_t *p, e1, e2;
309: e1 = (addr & 0xffff) | (sel << 16);
310: e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
311: p = ptr;
312: p[0] = tswap32(e1);
313: p[1] = tswap32(e2);
314: }
315:
1.1 root 316: /* only dpl matters as we do only user space emulation */
317: static void set_idt(int n, unsigned int dpl)
318: {
319: set_gate(idt_table + n, 0, dpl, 0, 0);
320: }
1.1.1.6 root 321: #endif
1.1 root 322:
323: void cpu_loop(CPUX86State *env)
324: {
325: int trapnr;
1.1.1.6 root 326: abi_ulong pc;
1.1 root 327: target_siginfo_t info;
328:
329: for(;;) {
330: trapnr = cpu_x86_exec(env);
331: switch(trapnr) {
332: case 0x80:
1.1.1.6 root 333: /* linux syscall from int $0x80 */
334: env->regs[R_EAX] = do_syscall(env,
335: env->regs[R_EAX],
1.1 root 336: env->regs[R_EBX],
337: env->regs[R_ECX],
338: env->regs[R_EDX],
339: env->regs[R_ESI],
340: env->regs[R_EDI],
341: env->regs[R_EBP]);
342: break;
1.1.1.6 root 343: #ifndef TARGET_ABI32
344: case EXCP_SYSCALL:
345: /* linux syscall from syscall intruction */
346: env->regs[R_EAX] = do_syscall(env,
347: env->regs[R_EAX],
348: env->regs[R_EDI],
349: env->regs[R_ESI],
350: env->regs[R_EDX],
351: env->regs[10],
352: env->regs[8],
353: env->regs[9]);
354: env->eip = env->exception_next_eip;
355: break;
356: #endif
1.1 root 357: case EXCP0B_NOSEG:
358: case EXCP0C_STACK:
359: info.si_signo = SIGBUS;
360: info.si_errno = 0;
361: info.si_code = TARGET_SI_KERNEL;
362: info._sifields._sigfault._addr = 0;
1.1.1.7 root 363: queue_signal(env, info.si_signo, &info);
1.1 root 364: break;
365: case EXCP0D_GPF:
1.1.1.6 root 366: /* XXX: potential problem if ABI32 */
367: #ifndef TARGET_X86_64
1.1 root 368: if (env->eflags & VM_MASK) {
369: handle_vm86_fault(env);
1.1.1.6 root 370: } else
371: #endif
372: {
1.1 root 373: info.si_signo = SIGSEGV;
374: info.si_errno = 0;
375: info.si_code = TARGET_SI_KERNEL;
376: info._sifields._sigfault._addr = 0;
1.1.1.7 root 377: queue_signal(env, info.si_signo, &info);
1.1 root 378: }
379: break;
380: case EXCP0E_PAGE:
381: info.si_signo = SIGSEGV;
382: info.si_errno = 0;
383: if (!(env->error_code & 1))
384: info.si_code = TARGET_SEGV_MAPERR;
385: else
386: info.si_code = TARGET_SEGV_ACCERR;
387: info._sifields._sigfault._addr = env->cr[2];
1.1.1.7 root 388: queue_signal(env, info.si_signo, &info);
1.1 root 389: break;
390: case EXCP00_DIVZ:
1.1.1.6 root 391: #ifndef TARGET_X86_64
1.1 root 392: if (env->eflags & VM_MASK) {
393: handle_vm86_trap(env, trapnr);
1.1.1.6 root 394: } else
395: #endif
396: {
1.1 root 397: /* division by zero */
398: info.si_signo = SIGFPE;
399: info.si_errno = 0;
400: info.si_code = TARGET_FPE_INTDIV;
401: info._sifields._sigfault._addr = env->eip;
1.1.1.7 root 402: queue_signal(env, info.si_signo, &info);
1.1 root 403: }
404: break;
1.1.1.7 root 405: case EXCP01_DB:
1.1 root 406: case EXCP03_INT3:
1.1.1.6 root 407: #ifndef TARGET_X86_64
1.1 root 408: if (env->eflags & VM_MASK) {
409: handle_vm86_trap(env, trapnr);
1.1.1.6 root 410: } else
411: #endif
412: {
1.1 root 413: info.si_signo = SIGTRAP;
414: info.si_errno = 0;
1.1.1.7 root 415: if (trapnr == EXCP01_DB) {
1.1 root 416: info.si_code = TARGET_TRAP_BRKPT;
417: info._sifields._sigfault._addr = env->eip;
418: } else {
419: info.si_code = TARGET_SI_KERNEL;
420: info._sifields._sigfault._addr = 0;
421: }
1.1.1.7 root 422: queue_signal(env, info.si_signo, &info);
1.1 root 423: }
424: break;
425: case EXCP04_INTO:
426: case EXCP05_BOUND:
1.1.1.6 root 427: #ifndef TARGET_X86_64
1.1 root 428: if (env->eflags & VM_MASK) {
429: handle_vm86_trap(env, trapnr);
1.1.1.6 root 430: } else
431: #endif
432: {
1.1 root 433: info.si_signo = SIGSEGV;
434: info.si_errno = 0;
435: info.si_code = TARGET_SI_KERNEL;
436: info._sifields._sigfault._addr = 0;
1.1.1.7 root 437: queue_signal(env, info.si_signo, &info);
1.1 root 438: }
439: break;
440: case EXCP06_ILLOP:
441: info.si_signo = SIGILL;
442: info.si_errno = 0;
443: info.si_code = TARGET_ILL_ILLOPN;
444: info._sifields._sigfault._addr = env->eip;
1.1.1.7 root 445: queue_signal(env, info.si_signo, &info);
1.1 root 446: break;
447: case EXCP_INTERRUPT:
448: /* just indicate that signals should be handled asap */
449: break;
450: case EXCP_DEBUG:
451: {
452: int sig;
453:
454: sig = gdb_handlesig (env, TARGET_SIGTRAP);
455: if (sig)
456: {
457: info.si_signo = sig;
458: info.si_errno = 0;
459: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 460: queue_signal(env, info.si_signo, &info);
1.1 root 461: }
462: }
463: break;
464: default:
465: pc = env->segs[R_CS].base + env->eip;
1.1.1.6 root 466: fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
1.1 root 467: (long)pc, trapnr);
468: abort();
469: }
470: process_pending_signals(env);
471: }
472: }
473: #endif
474:
475: #ifdef TARGET_ARM
476:
1.1.1.6 root 477: static void arm_cache_flush(abi_ulong start, abi_ulong last)
1.1 root 478: {
1.1.1.6 root 479: abi_ulong addr, last1;
1.1 root 480:
481: if (last < start)
482: return;
483: addr = start;
484: for(;;) {
485: last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
486: if (last1 > last)
487: last1 = last;
488: tb_invalidate_page_range(addr, last1 + 1);
489: if (last1 == last)
490: break;
491: addr = last1 + 1;
492: }
493: }
494:
1.1.1.7 root 495: /* Handle a jump to the kernel code page. */
496: static int
497: do_kernel_trap(CPUARMState *env)
498: {
499: uint32_t addr;
500: uint32_t cpsr;
501: uint32_t val;
502:
503: switch (env->regs[15]) {
504: case 0xffff0fa0: /* __kernel_memory_barrier */
505: /* ??? No-op. Will need to do better for SMP. */
506: break;
507: case 0xffff0fc0: /* __kernel_cmpxchg */
508: /* XXX: This only works between threads, not between processes.
509: It's probably possible to implement this with native host
510: operations. However things like ldrex/strex are much harder so
511: there's not much point trying. */
512: start_exclusive();
513: cpsr = cpsr_read(env);
514: addr = env->regs[2];
515: /* FIXME: This should SEGV if the access fails. */
516: if (get_user_u32(val, addr))
517: val = ~env->regs[0];
518: if (val == env->regs[0]) {
519: val = env->regs[1];
520: /* FIXME: Check for segfaults. */
521: put_user_u32(val, addr);
522: env->regs[0] = 0;
523: cpsr |= CPSR_C;
524: } else {
525: env->regs[0] = -1;
526: cpsr &= ~CPSR_C;
527: }
528: cpsr_write(env, cpsr, CPSR_C);
529: end_exclusive();
530: break;
531: case 0xffff0fe0: /* __kernel_get_tls */
532: env->regs[0] = env->cp15.c13_tls2;
533: break;
534: default:
535: return 1;
536: }
537: /* Jump back to the caller. */
538: addr = env->regs[14];
539: if (addr & 1) {
540: env->thumb = 1;
541: addr &= ~1;
542: }
543: env->regs[15] = addr;
544:
545: return 0;
546: }
547:
1.1 root 548: void cpu_loop(CPUARMState *env)
549: {
550: int trapnr;
551: unsigned int n, insn;
552: target_siginfo_t info;
1.1.1.2 root 553: uint32_t addr;
1.1.1.6 root 554:
1.1 root 555: for(;;) {
1.1.1.7 root 556: cpu_exec_start(env);
1.1 root 557: trapnr = cpu_arm_exec(env);
1.1.1.7 root 558: cpu_exec_end(env);
1.1 root 559: switch(trapnr) {
560: case EXCP_UDEF:
561: {
562: TaskState *ts = env->opaque;
563: uint32_t opcode;
1.1.1.7 root 564: int rc;
1.1 root 565:
566: /* we handle the FPU emulation here, as Linux */
567: /* we get the opcode */
1.1.1.6 root 568: /* FIXME - what to do if get_user() fails? */
569: get_user_u32(opcode, env->regs[15]);
570:
1.1.1.7 root 571: rc = EmulateAll(opcode, &ts->fpa, env);
572: if (rc == 0) { /* illegal instruction */
1.1 root 573: info.si_signo = SIGILL;
574: info.si_errno = 0;
575: info.si_code = TARGET_ILL_ILLOPN;
576: info._sifields._sigfault._addr = env->regs[15];
1.1.1.7 root 577: queue_signal(env, info.si_signo, &info);
578: } else if (rc < 0) { /* FP exception */
579: int arm_fpe=0;
580:
581: /* translate softfloat flags to FPSR flags */
582: if (-rc & float_flag_invalid)
583: arm_fpe |= BIT_IOC;
584: if (-rc & float_flag_divbyzero)
585: arm_fpe |= BIT_DZC;
586: if (-rc & float_flag_overflow)
587: arm_fpe |= BIT_OFC;
588: if (-rc & float_flag_underflow)
589: arm_fpe |= BIT_UFC;
590: if (-rc & float_flag_inexact)
591: arm_fpe |= BIT_IXC;
592:
593: FPSR fpsr = ts->fpa.fpsr;
594: //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe);
595:
596: if (fpsr & (arm_fpe << 16)) { /* exception enabled? */
597: info.si_signo = SIGFPE;
598: info.si_errno = 0;
599:
600: /* ordered by priority, least first */
601: if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES;
602: if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND;
603: if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF;
604: if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV;
605: if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV;
606:
607: info._sifields._sigfault._addr = env->regs[15];
608: queue_signal(env, info.si_signo, &info);
609: } else {
610: env->regs[15] += 4;
611: }
612:
613: /* accumulate unenabled exceptions */
614: if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC))
615: fpsr |= BIT_IXC;
616: if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC))
617: fpsr |= BIT_UFC;
618: if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC))
619: fpsr |= BIT_OFC;
620: if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC))
621: fpsr |= BIT_DZC;
622: if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC))
623: fpsr |= BIT_IOC;
624: ts->fpa.fpsr=fpsr;
625: } else { /* everything OK */
1.1 root 626: /* increment PC */
627: env->regs[15] += 4;
628: }
629: }
630: break;
631: case EXCP_SWI:
1.1.1.3 root 632: case EXCP_BKPT:
1.1 root 633: {
1.1.1.3 root 634: env->eabi = 1;
1.1 root 635: /* system call */
1.1.1.3 root 636: if (trapnr == EXCP_BKPT) {
637: if (env->thumb) {
1.1.1.6 root 638: /* FIXME - what to do if get_user() fails? */
639: get_user_u16(insn, env->regs[15]);
1.1.1.3 root 640: n = insn & 0xff;
641: env->regs[15] += 2;
642: } else {
1.1.1.6 root 643: /* FIXME - what to do if get_user() fails? */
644: get_user_u32(insn, env->regs[15]);
1.1.1.3 root 645: n = (insn & 0xf) | ((insn >> 4) & 0xff0);
646: env->regs[15] += 4;
647: }
1.1 root 648: } else {
1.1.1.3 root 649: if (env->thumb) {
1.1.1.6 root 650: /* FIXME - what to do if get_user() fails? */
651: get_user_u16(insn, env->regs[15] - 2);
1.1.1.3 root 652: n = insn & 0xff;
653: } else {
1.1.1.6 root 654: /* FIXME - what to do if get_user() fails? */
655: get_user_u32(insn, env->regs[15] - 4);
1.1.1.3 root 656: n = insn & 0xffffff;
657: }
1.1 root 658: }
659:
660: if (n == ARM_NR_cacheflush) {
661: arm_cache_flush(env->regs[0], env->regs[1]);
662: } else if (n == ARM_NR_semihosting
663: || n == ARM_NR_thumb_semihosting) {
664: env->regs[0] = do_arm_semihosting (env);
1.1.1.3 root 665: } else if (n == 0 || n >= ARM_SYSCALL_BASE
1.1 root 666: || (env->thumb && n == ARM_THUMB_SYSCALL)) {
667: /* linux syscall */
1.1.1.3 root 668: if (env->thumb || n == 0) {
1.1 root 669: n = env->regs[7];
670: } else {
671: n -= ARM_SYSCALL_BASE;
1.1.1.3 root 672: env->eabi = 0;
1.1 root 673: }
1.1.1.7 root 674: if ( n > ARM_NR_BASE) {
675: switch (n) {
676: case ARM_NR_cacheflush:
677: arm_cache_flush(env->regs[0], env->regs[1]);
678: break;
679: case ARM_NR_set_tls:
680: cpu_set_tls(env, env->regs[0]);
681: env->regs[0] = 0;
682: break;
683: default:
684: gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
685: n);
686: env->regs[0] = -TARGET_ENOSYS;
687: break;
688: }
689: } else {
690: env->regs[0] = do_syscall(env,
691: n,
692: env->regs[0],
693: env->regs[1],
694: env->regs[2],
695: env->regs[3],
696: env->regs[4],
697: env->regs[5]);
698: }
1.1 root 699: } else {
700: goto error;
701: }
702: }
703: break;
704: case EXCP_INTERRUPT:
705: /* just indicate that signals should be handled asap */
706: break;
707: case EXCP_PREFETCH_ABORT:
1.1.1.7 root 708: addr = env->cp15.c6_insn;
1.1.1.2 root 709: goto do_segv;
1.1 root 710: case EXCP_DATA_ABORT:
1.1.1.7 root 711: addr = env->cp15.c6_data;
1.1.1.2 root 712: goto do_segv;
713: do_segv:
1.1 root 714: {
715: info.si_signo = SIGSEGV;
716: info.si_errno = 0;
717: /* XXX: check env->error_code */
718: info.si_code = TARGET_SEGV_MAPERR;
1.1.1.2 root 719: info._sifields._sigfault._addr = addr;
1.1.1.7 root 720: queue_signal(env, info.si_signo, &info);
1.1 root 721: }
722: break;
723: case EXCP_DEBUG:
724: {
725: int sig;
726:
727: sig = gdb_handlesig (env, TARGET_SIGTRAP);
728: if (sig)
729: {
730: info.si_signo = sig;
731: info.si_errno = 0;
732: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 733: queue_signal(env, info.si_signo, &info);
1.1 root 734: }
735: }
736: break;
1.1.1.7 root 737: case EXCP_KERNEL_TRAP:
738: if (do_kernel_trap(env))
739: goto error;
740: break;
1.1 root 741: default:
742: error:
1.1.1.6 root 743: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1.1 root 744: trapnr);
745: cpu_dump_state(env, stderr, fprintf, 0);
746: abort();
747: }
748: process_pending_signals(env);
749: }
750: }
751:
752: #endif
753:
754: #ifdef TARGET_SPARC
1.1.1.7 root 755: #define SPARC64_STACK_BIAS 2047
1.1 root 756:
757: //#define DEBUG_WIN
758:
759: /* WARNING: dealing with register windows _is_ complicated. More info
760: can be found at http://www.sics.se/~psm/sparcstack.html */
761: static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
762: {
1.1.1.7 root 763: index = (index + cwp * 16) % (16 * env->nwindows);
1.1 root 764: /* wrap handling : if cwp is on the last window, then we use the
765: registers 'after' the end */
1.1.1.7 root 766: if (index < 8 && env->cwp == env->nwindows - 1)
767: index += 16 * env->nwindows;
1.1 root 768: return index;
769: }
770:
771: /* save the register window 'cwp1' */
772: static inline void save_window_offset(CPUSPARCState *env, int cwp1)
773: {
774: unsigned int i;
1.1.1.6 root 775: abi_ulong sp_ptr;
776:
1.1.1.3 root 777: sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
1.1.1.7 root 778: #ifdef TARGET_SPARC64
779: if (sp_ptr & 3)
780: sp_ptr += SPARC64_STACK_BIAS;
781: #endif
1.1 root 782: #if defined(DEBUG_WIN)
1.1.1.7 root 783: printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n",
784: sp_ptr, cwp1);
1.1 root 785: #endif
786: for(i = 0; i < 16; i++) {
1.1.1.6 root 787: /* FIXME - what to do if put_user() fails? */
788: put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
789: sp_ptr += sizeof(abi_ulong);
1.1 root 790: }
791: }
792:
793: static void save_window(CPUSPARCState *env)
794: {
1.1.1.4 root 795: #ifndef TARGET_SPARC64
1.1 root 796: unsigned int new_wim;
1.1.1.7 root 797: new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) &
798: ((1LL << env->nwindows) - 1);
799: save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
1.1 root 800: env->wim = new_wim;
1.1.1.4 root 801: #else
1.1.1.7 root 802: save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
1.1.1.4 root 803: env->cansave++;
804: env->canrestore--;
805: #endif
1.1 root 806: }
807:
808: static void restore_window(CPUSPARCState *env)
809: {
1.1.1.7 root 810: #ifndef TARGET_SPARC64
811: unsigned int new_wim;
812: #endif
813: unsigned int i, cwp1;
1.1.1.6 root 814: abi_ulong sp_ptr;
815:
1.1.1.7 root 816: #ifndef TARGET_SPARC64
817: new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) &
818: ((1LL << env->nwindows) - 1);
819: #endif
1.1.1.6 root 820:
1.1 root 821: /* restore the invalid window */
1.1.1.7 root 822: cwp1 = cpu_cwp_inc(env, env->cwp + 1);
1.1.1.3 root 823: sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
1.1.1.7 root 824: #ifdef TARGET_SPARC64
825: if (sp_ptr & 3)
826: sp_ptr += SPARC64_STACK_BIAS;
827: #endif
1.1 root 828: #if defined(DEBUG_WIN)
1.1.1.7 root 829: printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n",
830: sp_ptr, cwp1);
1.1 root 831: #endif
832: for(i = 0; i < 16; i++) {
1.1.1.6 root 833: /* FIXME - what to do if get_user() fails? */
834: get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
835: sp_ptr += sizeof(abi_ulong);
1.1 root 836: }
1.1.1.4 root 837: #ifdef TARGET_SPARC64
838: env->canrestore++;
1.1.1.7 root 839: if (env->cleanwin < env->nwindows - 1)
840: env->cleanwin++;
1.1.1.4 root 841: env->cansave--;
1.1.1.7 root 842: #else
843: env->wim = new_wim;
1.1.1.4 root 844: #endif
1.1 root 845: }
846:
847: static void flush_windows(CPUSPARCState *env)
848: {
849: int offset, cwp1;
850:
851: offset = 1;
852: for(;;) {
853: /* if restore would invoke restore_window(), then we can stop */
1.1.1.7 root 854: cwp1 = cpu_cwp_inc(env, env->cwp + offset);
855: #ifndef TARGET_SPARC64
1.1 root 856: if (env->wim & (1 << cwp1))
857: break;
1.1.1.7 root 858: #else
859: if (env->canrestore == 0)
860: break;
861: env->cansave++;
862: env->canrestore--;
863: #endif
1.1 root 864: save_window_offset(env, cwp1);
865: offset++;
866: }
1.1.1.7 root 867: cwp1 = cpu_cwp_inc(env, env->cwp + 1);
868: #ifndef TARGET_SPARC64
1.1 root 869: /* set wim so that restore will reload the registers */
870: env->wim = 1 << cwp1;
1.1.1.7 root 871: #endif
1.1 root 872: #if defined(DEBUG_WIN)
873: printf("flush_windows: nb=%d\n", offset - 1);
874: #endif
875: }
876:
877: void cpu_loop (CPUSPARCState *env)
878: {
879: int trapnr, ret;
880: target_siginfo_t info;
1.1.1.6 root 881:
1.1 root 882: while (1) {
883: trapnr = cpu_sparc_exec (env);
1.1.1.6 root 884:
1.1 root 885: switch (trapnr) {
1.1.1.4 root 886: #ifndef TARGET_SPARC64
1.1.1.6 root 887: case 0x88:
1.1 root 888: case 0x90:
1.1.1.4 root 889: #else
1.1.1.6 root 890: case 0x110:
1.1.1.4 root 891: case 0x16d:
892: #endif
1.1 root 893: ret = do_syscall (env, env->gregs[1],
1.1.1.6 root 894: env->regwptr[0], env->regwptr[1],
895: env->regwptr[2], env->regwptr[3],
1.1 root 896: env->regwptr[4], env->regwptr[5]);
897: if ((unsigned int)ret >= (unsigned int)(-515)) {
1.1.1.6 root 898: #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
1.1.1.5 root 899: env->xcc |= PSR_CARRY;
900: #else
1.1 root 901: env->psr |= PSR_CARRY;
1.1.1.5 root 902: #endif
1.1 root 903: ret = -ret;
904: } else {
1.1.1.6 root 905: #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
1.1.1.5 root 906: env->xcc &= ~PSR_CARRY;
907: #else
1.1 root 908: env->psr &= ~PSR_CARRY;
1.1.1.5 root 909: #endif
1.1 root 910: }
911: env->regwptr[0] = ret;
912: /* next instruction */
913: env->pc = env->npc;
914: env->npc = env->npc + 4;
915: break;
916: case 0x83: /* flush windows */
1.1.1.6 root 917: #ifdef TARGET_ABI32
918: case 0x103:
919: #endif
1.1 root 920: flush_windows(env);
921: /* next instruction */
922: env->pc = env->npc;
923: env->npc = env->npc + 4;
924: break;
925: #ifndef TARGET_SPARC64
926: case TT_WIN_OVF: /* window overflow */
927: save_window(env);
928: break;
929: case TT_WIN_UNF: /* window underflow */
930: restore_window(env);
931: break;
932: case TT_TFAULT:
933: case TT_DFAULT:
934: {
935: info.si_signo = SIGSEGV;
936: info.si_errno = 0;
937: /* XXX: check env->error_code */
938: info.si_code = TARGET_SEGV_MAPERR;
939: info._sifields._sigfault._addr = env->mmuregs[4];
1.1.1.7 root 940: queue_signal(env, info.si_signo, &info);
1.1 root 941: }
942: break;
943: #else
1.1.1.4 root 944: case TT_SPILL: /* window overflow */
945: save_window(env);
946: break;
947: case TT_FILL: /* window underflow */
948: restore_window(env);
949: break;
1.1.1.6 root 950: case TT_TFAULT:
951: case TT_DFAULT:
952: {
953: info.si_signo = SIGSEGV;
954: info.si_errno = 0;
955: /* XXX: check env->error_code */
956: info.si_code = TARGET_SEGV_MAPERR;
957: if (trapnr == TT_DFAULT)
958: info._sifields._sigfault._addr = env->dmmuregs[4];
959: else
1.1.1.7 root 960: info._sifields._sigfault._addr = env->tsptr->tpc;
961: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 962: }
963: break;
964: #ifndef TARGET_ABI32
965: case 0x16e:
966: flush_windows(env);
967: sparc64_get_context(env);
968: break;
969: case 0x16f:
970: flush_windows(env);
971: sparc64_set_context(env);
972: break;
973: #endif
1.1 root 974: #endif
1.1.1.4 root 975: case EXCP_INTERRUPT:
976: /* just indicate that signals should be handled asap */
977: break;
1.1 root 978: case EXCP_DEBUG:
979: {
980: int sig;
981:
982: sig = gdb_handlesig (env, TARGET_SIGTRAP);
983: if (sig)
984: {
985: info.si_signo = sig;
986: info.si_errno = 0;
987: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 988: queue_signal(env, info.si_signo, &info);
1.1 root 989: }
990: }
991: break;
992: default:
993: printf ("Unhandled trap: 0x%x\n", trapnr);
994: cpu_dump_state(env, stderr, fprintf, 0);
995: exit (1);
996: }
997: process_pending_signals (env);
998: }
999: }
1000:
1001: #endif
1002:
1003: #ifdef TARGET_PPC
1004: static inline uint64_t cpu_ppc_get_tb (CPUState *env)
1005: {
1006: /* TO FIX */
1007: return 0;
1008: }
1.1.1.6 root 1009:
1.1 root 1010: uint32_t cpu_ppc_load_tbl (CPUState *env)
1011: {
1012: return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1013: }
1.1.1.6 root 1014:
1.1 root 1015: uint32_t cpu_ppc_load_tbu (CPUState *env)
1016: {
1017: return cpu_ppc_get_tb(env) >> 32;
1018: }
1.1.1.6 root 1019:
1020: uint32_t cpu_ppc_load_atbl (CPUState *env)
1.1 root 1021: {
1.1.1.6 root 1022: return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1.1 root 1023: }
1024:
1.1.1.6 root 1025: uint32_t cpu_ppc_load_atbu (CPUState *env)
1.1 root 1026: {
1.1.1.6 root 1027: return cpu_ppc_get_tb(env) >> 32;
1.1 root 1028: }
1.1.1.6 root 1029:
1030: uint32_t cpu_ppc601_load_rtcu (CPUState *env)
1031: __attribute__ (( alias ("cpu_ppc_load_tbu") ));
1032:
1033: uint32_t cpu_ppc601_load_rtcl (CPUState *env)
1.1 root 1034: {
1.1.1.6 root 1035: return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
1.1 root 1036: }
1.1.1.6 root 1037:
1038: /* XXX: to be fixed */
1039: int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
1.1 root 1040: {
1041: return -1;
1042: }
1.1.1.6 root 1043:
1044: int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
1.1 root 1045: {
1.1.1.6 root 1046: return -1;
1.1 root 1047: }
1.1.1.6 root 1048:
1.1.1.8 ! root 1049: #define EXCP_DUMP(env, fmt, ...) \
! 1050: do { \
! 1051: fprintf(stderr, fmt , ## __VA_ARGS__); \
! 1052: cpu_dump_state(env, stderr, fprintf, 0); \
! 1053: qemu_log(fmt, ## __VA_ARGS__); \
! 1054: if (logfile) \
! 1055: log_cpu_state(env, 0); \
1.1.1.6 root 1056: } while (0)
1057:
1.1 root 1058: void cpu_loop(CPUPPCState *env)
1059: {
1060: target_siginfo_t info;
1061: int trapnr;
1062: uint32_t ret;
1.1.1.6 root 1063:
1.1 root 1064: for(;;) {
1065: trapnr = cpu_ppc_exec(env);
1066: switch(trapnr) {
1.1.1.6 root 1067: case POWERPC_EXCP_NONE:
1068: /* Just go on */
1.1 root 1069: break;
1.1.1.6 root 1070: case POWERPC_EXCP_CRITICAL: /* Critical input */
1071: cpu_abort(env, "Critical interrupt while in user mode. "
1072: "Aborting\n");
1073: break;
1074: case POWERPC_EXCP_MCHECK: /* Machine check exception */
1075: cpu_abort(env, "Machine check exception while in user mode. "
1076: "Aborting\n");
1077: break;
1078: case POWERPC_EXCP_DSI: /* Data storage exception */
1079: EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
1080: env->spr[SPR_DAR]);
1081: /* XXX: check this. Seems bugged */
1.1 root 1082: switch (env->error_code & 0xFF000000) {
1083: case 0x40000000:
1084: info.si_signo = TARGET_SIGSEGV;
1085: info.si_errno = 0;
1086: info.si_code = TARGET_SEGV_MAPERR;
1087: break;
1088: case 0x04000000:
1089: info.si_signo = TARGET_SIGILL;
1090: info.si_errno = 0;
1091: info.si_code = TARGET_ILL_ILLADR;
1092: break;
1093: case 0x08000000:
1094: info.si_signo = TARGET_SIGSEGV;
1095: info.si_errno = 0;
1096: info.si_code = TARGET_SEGV_ACCERR;
1097: break;
1098: default:
1099: /* Let's send a regular segfault... */
1.1.1.6 root 1100: EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1101: env->error_code);
1.1 root 1102: info.si_signo = TARGET_SIGSEGV;
1103: info.si_errno = 0;
1104: info.si_code = TARGET_SEGV_MAPERR;
1105: break;
1106: }
1107: info._sifields._sigfault._addr = env->nip;
1.1.1.7 root 1108: queue_signal(env, info.si_signo, &info);
1.1 root 1109: break;
1.1.1.6 root 1110: case POWERPC_EXCP_ISI: /* Instruction storage exception */
1111: EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
1112: env->spr[SPR_SRR0]);
1113: /* XXX: check this */
1.1 root 1114: switch (env->error_code & 0xFF000000) {
1115: case 0x40000000:
1116: info.si_signo = TARGET_SIGSEGV;
1117: info.si_errno = 0;
1118: info.si_code = TARGET_SEGV_MAPERR;
1119: break;
1120: case 0x10000000:
1121: case 0x08000000:
1122: info.si_signo = TARGET_SIGSEGV;
1123: info.si_errno = 0;
1124: info.si_code = TARGET_SEGV_ACCERR;
1125: break;
1126: default:
1127: /* Let's send a regular segfault... */
1.1.1.6 root 1128: EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1129: env->error_code);
1.1 root 1130: info.si_signo = TARGET_SIGSEGV;
1131: info.si_errno = 0;
1132: info.si_code = TARGET_SEGV_MAPERR;
1133: break;
1134: }
1135: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1136: queue_signal(env, info.si_signo, &info);
1.1 root 1137: break;
1.1.1.6 root 1138: case POWERPC_EXCP_EXTERNAL: /* External input */
1139: cpu_abort(env, "External interrupt while in user mode. "
1140: "Aborting\n");
1141: break;
1142: case POWERPC_EXCP_ALIGN: /* Alignment exception */
1143: EXCP_DUMP(env, "Unaligned memory access\n");
1144: /* XXX: check this */
1.1 root 1145: info.si_signo = TARGET_SIGBUS;
1146: info.si_errno = 0;
1147: info.si_code = TARGET_BUS_ADRALN;
1148: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1149: queue_signal(env, info.si_signo, &info);
1.1 root 1150: break;
1.1.1.6 root 1151: case POWERPC_EXCP_PROGRAM: /* Program exception */
1152: /* XXX: check this */
1.1 root 1153: switch (env->error_code & ~0xF) {
1.1.1.6 root 1154: case POWERPC_EXCP_FP:
1155: EXCP_DUMP(env, "Floating point program exception\n");
1.1 root 1156: info.si_signo = TARGET_SIGFPE;
1157: info.si_errno = 0;
1158: switch (env->error_code & 0xF) {
1.1.1.6 root 1159: case POWERPC_EXCP_FP_OX:
1.1 root 1160: info.si_code = TARGET_FPE_FLTOVF;
1161: break;
1.1.1.6 root 1162: case POWERPC_EXCP_FP_UX:
1.1 root 1163: info.si_code = TARGET_FPE_FLTUND;
1164: break;
1.1.1.6 root 1165: case POWERPC_EXCP_FP_ZX:
1166: case POWERPC_EXCP_FP_VXZDZ:
1.1 root 1167: info.si_code = TARGET_FPE_FLTDIV;
1168: break;
1.1.1.6 root 1169: case POWERPC_EXCP_FP_XX:
1.1 root 1170: info.si_code = TARGET_FPE_FLTRES;
1171: break;
1.1.1.6 root 1172: case POWERPC_EXCP_FP_VXSOFT:
1.1 root 1173: info.si_code = TARGET_FPE_FLTINV;
1174: break;
1.1.1.6 root 1175: case POWERPC_EXCP_FP_VXSNAN:
1176: case POWERPC_EXCP_FP_VXISI:
1177: case POWERPC_EXCP_FP_VXIDI:
1178: case POWERPC_EXCP_FP_VXIMZ:
1179: case POWERPC_EXCP_FP_VXVC:
1180: case POWERPC_EXCP_FP_VXSQRT:
1181: case POWERPC_EXCP_FP_VXCVI:
1.1 root 1182: info.si_code = TARGET_FPE_FLTSUB;
1183: break;
1184: default:
1.1.1.6 root 1185: EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
1186: env->error_code);
1187: break;
1.1 root 1188: }
1.1.1.6 root 1189: break;
1190: case POWERPC_EXCP_INVAL:
1191: EXCP_DUMP(env, "Invalid instruction\n");
1.1 root 1192: info.si_signo = TARGET_SIGILL;
1193: info.si_errno = 0;
1194: switch (env->error_code & 0xF) {
1.1.1.6 root 1195: case POWERPC_EXCP_INVAL_INVAL:
1.1 root 1196: info.si_code = TARGET_ILL_ILLOPC;
1197: break;
1.1.1.6 root 1198: case POWERPC_EXCP_INVAL_LSWX:
1199: info.si_code = TARGET_ILL_ILLOPN;
1.1 root 1200: break;
1.1.1.6 root 1201: case POWERPC_EXCP_INVAL_SPR:
1.1 root 1202: info.si_code = TARGET_ILL_PRVREG;
1203: break;
1.1.1.6 root 1204: case POWERPC_EXCP_INVAL_FP:
1.1 root 1205: info.si_code = TARGET_ILL_COPROC;
1206: break;
1207: default:
1.1.1.6 root 1208: EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
1209: env->error_code & 0xF);
1.1 root 1210: info.si_code = TARGET_ILL_ILLADR;
1211: break;
1212: }
1213: break;
1.1.1.6 root 1214: case POWERPC_EXCP_PRIV:
1215: EXCP_DUMP(env, "Privilege violation\n");
1.1 root 1216: info.si_signo = TARGET_SIGILL;
1217: info.si_errno = 0;
1218: switch (env->error_code & 0xF) {
1.1.1.6 root 1219: case POWERPC_EXCP_PRIV_OPC:
1.1 root 1220: info.si_code = TARGET_ILL_PRVOPC;
1221: break;
1.1.1.6 root 1222: case POWERPC_EXCP_PRIV_REG:
1.1 root 1223: info.si_code = TARGET_ILL_PRVREG;
1.1.1.6 root 1224: break;
1.1 root 1225: default:
1.1.1.6 root 1226: EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
1227: env->error_code & 0xF);
1.1 root 1228: info.si_code = TARGET_ILL_PRVOPC;
1229: break;
1230: }
1231: break;
1.1.1.6 root 1232: case POWERPC_EXCP_TRAP:
1233: cpu_abort(env, "Tried to call a TRAP\n");
1234: break;
1.1 root 1235: default:
1236: /* Should not happen ! */
1.1.1.6 root 1237: cpu_abort(env, "Unknown program exception (%02x)\n",
1238: env->error_code);
1239: break;
1.1 root 1240: }
1241: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1242: queue_signal(env, info.si_signo, &info);
1.1 root 1243: break;
1.1.1.6 root 1244: case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
1245: EXCP_DUMP(env, "No floating point allowed\n");
1.1 root 1246: info.si_signo = TARGET_SIGILL;
1247: info.si_errno = 0;
1248: info.si_code = TARGET_ILL_COPROC;
1249: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1250: queue_signal(env, info.si_signo, &info);
1.1 root 1251: break;
1.1.1.6 root 1252: case POWERPC_EXCP_SYSCALL: /* System call exception */
1253: cpu_abort(env, "Syscall exception while in user mode. "
1254: "Aborting\n");
1.1 root 1255: break;
1.1.1.6 root 1256: case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
1257: EXCP_DUMP(env, "No APU instruction allowed\n");
1258: info.si_signo = TARGET_SIGILL;
1259: info.si_errno = 0;
1260: info.si_code = TARGET_ILL_COPROC;
1261: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1262: queue_signal(env, info.si_signo, &info);
1.1 root 1263: break;
1.1.1.6 root 1264: case POWERPC_EXCP_DECR: /* Decrementer exception */
1265: cpu_abort(env, "Decrementer interrupt while in user mode. "
1266: "Aborting\n");
1267: break;
1268: case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
1269: cpu_abort(env, "Fix interval timer interrupt while in user mode. "
1270: "Aborting\n");
1271: break;
1272: case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
1273: cpu_abort(env, "Watchdog timer interrupt while in user mode. "
1274: "Aborting\n");
1275: break;
1276: case POWERPC_EXCP_DTLB: /* Data TLB error */
1277: cpu_abort(env, "Data TLB exception while in user mode. "
1278: "Aborting\n");
1279: break;
1280: case POWERPC_EXCP_ITLB: /* Instruction TLB error */
1281: cpu_abort(env, "Instruction TLB exception while in user mode. "
1282: "Aborting\n");
1.1 root 1283: break;
1.1.1.6 root 1284: case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
1285: EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
1286: info.si_signo = TARGET_SIGILL;
1287: info.si_errno = 0;
1288: info.si_code = TARGET_ILL_COPROC;
1289: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1290: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 1291: break;
1292: case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
1293: cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
1294: break;
1295: case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
1296: cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
1297: break;
1298: case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
1299: cpu_abort(env, "Performance monitor exception not handled\n");
1300: break;
1301: case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
1302: cpu_abort(env, "Doorbell interrupt while in user mode. "
1303: "Aborting\n");
1304: break;
1305: case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1306: cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1307: "Aborting\n");
1308: break;
1309: case POWERPC_EXCP_RESET: /* System reset exception */
1310: cpu_abort(env, "Reset interrupt while in user mode. "
1311: "Aborting\n");
1312: break;
1313: case POWERPC_EXCP_DSEG: /* Data segment exception */
1314: cpu_abort(env, "Data segment exception while in user mode. "
1315: "Aborting\n");
1316: break;
1317: case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1318: cpu_abort(env, "Instruction segment exception "
1319: "while in user mode. Aborting\n");
1320: break;
1321: /* PowerPC 64 with hypervisor mode support */
1322: case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1323: cpu_abort(env, "Hypervisor decrementer interrupt "
1324: "while in user mode. Aborting\n");
1325: break;
1326: case POWERPC_EXCP_TRACE: /* Trace exception */
1327: /* Nothing to do:
1328: * we use this exception to emulate step-by-step execution mode.
1329: */
1330: break;
1331: /* PowerPC 64 with hypervisor mode support */
1332: case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1333: cpu_abort(env, "Hypervisor data storage exception "
1334: "while in user mode. Aborting\n");
1335: break;
1336: case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1337: cpu_abort(env, "Hypervisor instruction storage exception "
1338: "while in user mode. Aborting\n");
1339: break;
1340: case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1341: cpu_abort(env, "Hypervisor data segment exception "
1342: "while in user mode. Aborting\n");
1343: break;
1344: case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1345: cpu_abort(env, "Hypervisor instruction segment exception "
1346: "while in user mode. Aborting\n");
1347: break;
1348: case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1349: EXCP_DUMP(env, "No Altivec instructions allowed\n");
1350: info.si_signo = TARGET_SIGILL;
1351: info.si_errno = 0;
1352: info.si_code = TARGET_ILL_COPROC;
1353: info._sifields._sigfault._addr = env->nip - 4;
1.1.1.7 root 1354: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 1355: break;
1356: case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1357: cpu_abort(env, "Programable interval timer interrupt "
1358: "while in user mode. Aborting\n");
1359: break;
1360: case POWERPC_EXCP_IO: /* IO error exception */
1361: cpu_abort(env, "IO error exception while in user mode. "
1362: "Aborting\n");
1363: break;
1364: case POWERPC_EXCP_RUNM: /* Run mode exception */
1365: cpu_abort(env, "Run mode exception while in user mode. "
1366: "Aborting\n");
1367: break;
1368: case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1369: cpu_abort(env, "Emulation trap exception not handled\n");
1370: break;
1371: case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1372: cpu_abort(env, "Instruction fetch TLB exception "
1373: "while in user-mode. Aborting");
1374: break;
1375: case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1376: cpu_abort(env, "Data load TLB exception while in user-mode. "
1377: "Aborting");
1378: break;
1379: case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1380: cpu_abort(env, "Data store TLB exception while in user-mode. "
1381: "Aborting");
1382: break;
1383: case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1384: cpu_abort(env, "Floating-point assist exception not handled\n");
1385: break;
1386: case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1387: cpu_abort(env, "Instruction address breakpoint exception "
1388: "not handled\n");
1389: break;
1390: case POWERPC_EXCP_SMI: /* System management interrupt */
1391: cpu_abort(env, "System management interrupt while in user mode. "
1392: "Aborting\n");
1393: break;
1394: case POWERPC_EXCP_THERM: /* Thermal interrupt */
1395: cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1396: "Aborting\n");
1397: break;
1398: case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1399: cpu_abort(env, "Performance monitor exception not handled\n");
1400: break;
1401: case POWERPC_EXCP_VPUA: /* Vector assist exception */
1402: cpu_abort(env, "Vector assist exception not handled\n");
1403: break;
1404: case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1405: cpu_abort(env, "Soft patch exception not handled\n");
1406: break;
1407: case POWERPC_EXCP_MAINT: /* Maintenance exception */
1408: cpu_abort(env, "Maintenance exception while in user mode. "
1409: "Aborting\n");
1410: break;
1411: case POWERPC_EXCP_STOP: /* stop translation */
1412: /* We did invalidate the instruction cache. Go on */
1413: break;
1414: case POWERPC_EXCP_BRANCH: /* branch instruction: */
1415: /* We just stopped because of a branch. Go on */
1416: break;
1417: case POWERPC_EXCP_SYSCALL_USER:
1418: /* system call in user-mode emulation */
1419: /* WARNING:
1420: * PPC ABI uses overflow flag in cr0 to signal an error
1421: * in syscalls.
1422: */
1423: #if 0
1424: printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1425: env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1426: #endif
1427: env->crf[0] &= ~0x1;
1428: ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1429: env->gpr[5], env->gpr[6], env->gpr[7],
1430: env->gpr[8]);
1.1.1.8 ! root 1431: if (ret == (uint32_t)(-TARGET_QEMU_ESIGRETURN)) {
! 1432: /* Returning from a successful sigreturn syscall.
! 1433: Avoid corrupting register state. */
! 1434: break;
! 1435: }
1.1.1.6 root 1436: if (ret > (uint32_t)(-515)) {
1437: env->crf[0] |= 0x1;
1438: ret = -ret;
1.1 root 1439: }
1.1.1.6 root 1440: env->gpr[3] = ret;
1441: #if 0
1442: printf("syscall returned 0x%08x (%d)\n", ret, ret);
1443: #endif
1444: break;
1.1.1.7 root 1445: case EXCP_DEBUG:
1446: {
1447: int sig;
1448:
1449: sig = gdb_handlesig(env, TARGET_SIGTRAP);
1450: if (sig) {
1451: info.si_signo = sig;
1452: info.si_errno = 0;
1453: info.si_code = TARGET_TRAP_BRKPT;
1454: queue_signal(env, info.si_signo, &info);
1455: }
1456: }
1457: break;
1.1.1.6 root 1458: case EXCP_INTERRUPT:
1459: /* just indicate that signals should be handled asap */
1460: break;
1461: default:
1462: cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1463: break;
1.1 root 1464: }
1465: process_pending_signals(env);
1466: }
1467: }
1468: #endif
1469:
1.1.1.2 root 1470: #ifdef TARGET_MIPS
1471:
1472: #define MIPS_SYS(name, args) args,
1473:
1474: static const uint8_t mips_syscall_args[] = {
1475: MIPS_SYS(sys_syscall , 0) /* 4000 */
1476: MIPS_SYS(sys_exit , 1)
1477: MIPS_SYS(sys_fork , 0)
1478: MIPS_SYS(sys_read , 3)
1479: MIPS_SYS(sys_write , 3)
1480: MIPS_SYS(sys_open , 3) /* 4005 */
1481: MIPS_SYS(sys_close , 1)
1482: MIPS_SYS(sys_waitpid , 3)
1483: MIPS_SYS(sys_creat , 2)
1484: MIPS_SYS(sys_link , 2)
1485: MIPS_SYS(sys_unlink , 1) /* 4010 */
1486: MIPS_SYS(sys_execve , 0)
1487: MIPS_SYS(sys_chdir , 1)
1488: MIPS_SYS(sys_time , 1)
1489: MIPS_SYS(sys_mknod , 3)
1490: MIPS_SYS(sys_chmod , 2) /* 4015 */
1491: MIPS_SYS(sys_lchown , 3)
1492: MIPS_SYS(sys_ni_syscall , 0)
1493: MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1494: MIPS_SYS(sys_lseek , 3)
1495: MIPS_SYS(sys_getpid , 0) /* 4020 */
1496: MIPS_SYS(sys_mount , 5)
1497: MIPS_SYS(sys_oldumount , 1)
1498: MIPS_SYS(sys_setuid , 1)
1499: MIPS_SYS(sys_getuid , 0)
1500: MIPS_SYS(sys_stime , 1) /* 4025 */
1501: MIPS_SYS(sys_ptrace , 4)
1502: MIPS_SYS(sys_alarm , 1)
1503: MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1504: MIPS_SYS(sys_pause , 0)
1505: MIPS_SYS(sys_utime , 2) /* 4030 */
1506: MIPS_SYS(sys_ni_syscall , 0)
1507: MIPS_SYS(sys_ni_syscall , 0)
1508: MIPS_SYS(sys_access , 2)
1509: MIPS_SYS(sys_nice , 1)
1510: MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1511: MIPS_SYS(sys_sync , 0)
1512: MIPS_SYS(sys_kill , 2)
1513: MIPS_SYS(sys_rename , 2)
1514: MIPS_SYS(sys_mkdir , 2)
1515: MIPS_SYS(sys_rmdir , 1) /* 4040 */
1516: MIPS_SYS(sys_dup , 1)
1517: MIPS_SYS(sys_pipe , 0)
1518: MIPS_SYS(sys_times , 1)
1519: MIPS_SYS(sys_ni_syscall , 0)
1520: MIPS_SYS(sys_brk , 1) /* 4045 */
1521: MIPS_SYS(sys_setgid , 1)
1522: MIPS_SYS(sys_getgid , 0)
1523: MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1524: MIPS_SYS(sys_geteuid , 0)
1525: MIPS_SYS(sys_getegid , 0) /* 4050 */
1526: MIPS_SYS(sys_acct , 0)
1527: MIPS_SYS(sys_umount , 2)
1528: MIPS_SYS(sys_ni_syscall , 0)
1529: MIPS_SYS(sys_ioctl , 3)
1530: MIPS_SYS(sys_fcntl , 3) /* 4055 */
1531: MIPS_SYS(sys_ni_syscall , 2)
1532: MIPS_SYS(sys_setpgid , 2)
1533: MIPS_SYS(sys_ni_syscall , 0)
1534: MIPS_SYS(sys_olduname , 1)
1535: MIPS_SYS(sys_umask , 1) /* 4060 */
1536: MIPS_SYS(sys_chroot , 1)
1537: MIPS_SYS(sys_ustat , 2)
1538: MIPS_SYS(sys_dup2 , 2)
1539: MIPS_SYS(sys_getppid , 0)
1540: MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1541: MIPS_SYS(sys_setsid , 0)
1542: MIPS_SYS(sys_sigaction , 3)
1543: MIPS_SYS(sys_sgetmask , 0)
1544: MIPS_SYS(sys_ssetmask , 1)
1545: MIPS_SYS(sys_setreuid , 2) /* 4070 */
1546: MIPS_SYS(sys_setregid , 2)
1547: MIPS_SYS(sys_sigsuspend , 0)
1548: MIPS_SYS(sys_sigpending , 1)
1549: MIPS_SYS(sys_sethostname , 2)
1550: MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1551: MIPS_SYS(sys_getrlimit , 2)
1552: MIPS_SYS(sys_getrusage , 2)
1553: MIPS_SYS(sys_gettimeofday, 2)
1554: MIPS_SYS(sys_settimeofday, 2)
1555: MIPS_SYS(sys_getgroups , 2) /* 4080 */
1556: MIPS_SYS(sys_setgroups , 2)
1557: MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1558: MIPS_SYS(sys_symlink , 2)
1559: MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1560: MIPS_SYS(sys_readlink , 3) /* 4085 */
1561: MIPS_SYS(sys_uselib , 1)
1562: MIPS_SYS(sys_swapon , 2)
1563: MIPS_SYS(sys_reboot , 3)
1564: MIPS_SYS(old_readdir , 3)
1565: MIPS_SYS(old_mmap , 6) /* 4090 */
1566: MIPS_SYS(sys_munmap , 2)
1567: MIPS_SYS(sys_truncate , 2)
1568: MIPS_SYS(sys_ftruncate , 2)
1569: MIPS_SYS(sys_fchmod , 2)
1570: MIPS_SYS(sys_fchown , 3) /* 4095 */
1571: MIPS_SYS(sys_getpriority , 2)
1572: MIPS_SYS(sys_setpriority , 3)
1573: MIPS_SYS(sys_ni_syscall , 0)
1574: MIPS_SYS(sys_statfs , 2)
1575: MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1576: MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1577: MIPS_SYS(sys_socketcall , 2)
1578: MIPS_SYS(sys_syslog , 3)
1579: MIPS_SYS(sys_setitimer , 3)
1580: MIPS_SYS(sys_getitimer , 2) /* 4105 */
1581: MIPS_SYS(sys_newstat , 2)
1582: MIPS_SYS(sys_newlstat , 2)
1583: MIPS_SYS(sys_newfstat , 2)
1584: MIPS_SYS(sys_uname , 1)
1585: MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1586: MIPS_SYS(sys_vhangup , 0)
1587: MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1588: MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1589: MIPS_SYS(sys_wait4 , 4)
1590: MIPS_SYS(sys_swapoff , 1) /* 4115 */
1591: MIPS_SYS(sys_sysinfo , 1)
1592: MIPS_SYS(sys_ipc , 6)
1593: MIPS_SYS(sys_fsync , 1)
1594: MIPS_SYS(sys_sigreturn , 0)
1.1.1.8 ! root 1595: MIPS_SYS(sys_clone , 6) /* 4120 */
1.1.1.2 root 1596: MIPS_SYS(sys_setdomainname, 2)
1597: MIPS_SYS(sys_newuname , 1)
1598: MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1599: MIPS_SYS(sys_adjtimex , 1)
1600: MIPS_SYS(sys_mprotect , 3) /* 4125 */
1601: MIPS_SYS(sys_sigprocmask , 3)
1602: MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1603: MIPS_SYS(sys_init_module , 5)
1604: MIPS_SYS(sys_delete_module, 1)
1605: MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1606: MIPS_SYS(sys_quotactl , 0)
1607: MIPS_SYS(sys_getpgid , 1)
1608: MIPS_SYS(sys_fchdir , 1)
1609: MIPS_SYS(sys_bdflush , 2)
1610: MIPS_SYS(sys_sysfs , 3) /* 4135 */
1611: MIPS_SYS(sys_personality , 1)
1612: MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1613: MIPS_SYS(sys_setfsuid , 1)
1614: MIPS_SYS(sys_setfsgid , 1)
1615: MIPS_SYS(sys_llseek , 5) /* 4140 */
1616: MIPS_SYS(sys_getdents , 3)
1617: MIPS_SYS(sys_select , 5)
1618: MIPS_SYS(sys_flock , 2)
1619: MIPS_SYS(sys_msync , 3)
1620: MIPS_SYS(sys_readv , 3) /* 4145 */
1621: MIPS_SYS(sys_writev , 3)
1622: MIPS_SYS(sys_cacheflush , 3)
1623: MIPS_SYS(sys_cachectl , 3)
1624: MIPS_SYS(sys_sysmips , 4)
1625: MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1626: MIPS_SYS(sys_getsid , 1)
1627: MIPS_SYS(sys_fdatasync , 0)
1628: MIPS_SYS(sys_sysctl , 1)
1629: MIPS_SYS(sys_mlock , 2)
1630: MIPS_SYS(sys_munlock , 2) /* 4155 */
1631: MIPS_SYS(sys_mlockall , 1)
1632: MIPS_SYS(sys_munlockall , 0)
1633: MIPS_SYS(sys_sched_setparam, 2)
1634: MIPS_SYS(sys_sched_getparam, 2)
1635: MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1636: MIPS_SYS(sys_sched_getscheduler, 1)
1637: MIPS_SYS(sys_sched_yield , 0)
1638: MIPS_SYS(sys_sched_get_priority_max, 1)
1639: MIPS_SYS(sys_sched_get_priority_min, 1)
1640: MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1641: MIPS_SYS(sys_nanosleep, 2)
1642: MIPS_SYS(sys_mremap , 4)
1643: MIPS_SYS(sys_accept , 3)
1644: MIPS_SYS(sys_bind , 3)
1645: MIPS_SYS(sys_connect , 3) /* 4170 */
1646: MIPS_SYS(sys_getpeername , 3)
1647: MIPS_SYS(sys_getsockname , 3)
1648: MIPS_SYS(sys_getsockopt , 5)
1649: MIPS_SYS(sys_listen , 2)
1650: MIPS_SYS(sys_recv , 4) /* 4175 */
1651: MIPS_SYS(sys_recvfrom , 6)
1652: MIPS_SYS(sys_recvmsg , 3)
1653: MIPS_SYS(sys_send , 4)
1654: MIPS_SYS(sys_sendmsg , 3)
1655: MIPS_SYS(sys_sendto , 6) /* 4180 */
1656: MIPS_SYS(sys_setsockopt , 5)
1657: MIPS_SYS(sys_shutdown , 2)
1658: MIPS_SYS(sys_socket , 3)
1659: MIPS_SYS(sys_socketpair , 4)
1660: MIPS_SYS(sys_setresuid , 3) /* 4185 */
1661: MIPS_SYS(sys_getresuid , 3)
1662: MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1663: MIPS_SYS(sys_poll , 3)
1664: MIPS_SYS(sys_nfsservctl , 3)
1665: MIPS_SYS(sys_setresgid , 3) /* 4190 */
1666: MIPS_SYS(sys_getresgid , 3)
1667: MIPS_SYS(sys_prctl , 5)
1668: MIPS_SYS(sys_rt_sigreturn, 0)
1669: MIPS_SYS(sys_rt_sigaction, 4)
1670: MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1671: MIPS_SYS(sys_rt_sigpending, 2)
1672: MIPS_SYS(sys_rt_sigtimedwait, 4)
1673: MIPS_SYS(sys_rt_sigqueueinfo, 3)
1674: MIPS_SYS(sys_rt_sigsuspend, 0)
1675: MIPS_SYS(sys_pread64 , 6) /* 4200 */
1676: MIPS_SYS(sys_pwrite64 , 6)
1677: MIPS_SYS(sys_chown , 3)
1678: MIPS_SYS(sys_getcwd , 2)
1679: MIPS_SYS(sys_capget , 2)
1680: MIPS_SYS(sys_capset , 2) /* 4205 */
1681: MIPS_SYS(sys_sigaltstack , 0)
1682: MIPS_SYS(sys_sendfile , 4)
1683: MIPS_SYS(sys_ni_syscall , 0)
1684: MIPS_SYS(sys_ni_syscall , 0)
1685: MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1686: MIPS_SYS(sys_truncate64 , 4)
1687: MIPS_SYS(sys_ftruncate64 , 4)
1688: MIPS_SYS(sys_stat64 , 2)
1689: MIPS_SYS(sys_lstat64 , 2)
1690: MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1691: MIPS_SYS(sys_pivot_root , 2)
1692: MIPS_SYS(sys_mincore , 3)
1693: MIPS_SYS(sys_madvise , 3)
1694: MIPS_SYS(sys_getdents64 , 3)
1695: MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1696: MIPS_SYS(sys_ni_syscall , 0)
1697: MIPS_SYS(sys_gettid , 0)
1698: MIPS_SYS(sys_readahead , 5)
1699: MIPS_SYS(sys_setxattr , 5)
1700: MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1701: MIPS_SYS(sys_fsetxattr , 5)
1702: MIPS_SYS(sys_getxattr , 4)
1703: MIPS_SYS(sys_lgetxattr , 4)
1704: MIPS_SYS(sys_fgetxattr , 4)
1705: MIPS_SYS(sys_listxattr , 3) /* 4230 */
1706: MIPS_SYS(sys_llistxattr , 3)
1707: MIPS_SYS(sys_flistxattr , 3)
1708: MIPS_SYS(sys_removexattr , 2)
1709: MIPS_SYS(sys_lremovexattr, 2)
1710: MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1711: MIPS_SYS(sys_tkill , 2)
1712: MIPS_SYS(sys_sendfile64 , 5)
1713: MIPS_SYS(sys_futex , 2)
1714: MIPS_SYS(sys_sched_setaffinity, 3)
1715: MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1716: MIPS_SYS(sys_io_setup , 2)
1717: MIPS_SYS(sys_io_destroy , 1)
1718: MIPS_SYS(sys_io_getevents, 5)
1719: MIPS_SYS(sys_io_submit , 3)
1720: MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1721: MIPS_SYS(sys_exit_group , 1)
1722: MIPS_SYS(sys_lookup_dcookie, 3)
1723: MIPS_SYS(sys_epoll_create, 1)
1724: MIPS_SYS(sys_epoll_ctl , 4)
1725: MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1726: MIPS_SYS(sys_remap_file_pages, 5)
1727: MIPS_SYS(sys_set_tid_address, 1)
1728: MIPS_SYS(sys_restart_syscall, 0)
1729: MIPS_SYS(sys_fadvise64_64, 7)
1730: MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1731: MIPS_SYS(sys_fstatfs64 , 2)
1732: MIPS_SYS(sys_timer_create, 3)
1733: MIPS_SYS(sys_timer_settime, 4)
1734: MIPS_SYS(sys_timer_gettime, 2)
1735: MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1736: MIPS_SYS(sys_timer_delete, 1)
1737: MIPS_SYS(sys_clock_settime, 2)
1738: MIPS_SYS(sys_clock_gettime, 2)
1739: MIPS_SYS(sys_clock_getres, 2)
1740: MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1741: MIPS_SYS(sys_tgkill , 3)
1742: MIPS_SYS(sys_utimes , 2)
1743: MIPS_SYS(sys_mbind , 4)
1744: MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1745: MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1746: MIPS_SYS(sys_mq_open , 4)
1747: MIPS_SYS(sys_mq_unlink , 1)
1748: MIPS_SYS(sys_mq_timedsend, 5)
1749: MIPS_SYS(sys_mq_timedreceive, 5)
1750: MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1751: MIPS_SYS(sys_mq_getsetattr, 3)
1752: MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1753: MIPS_SYS(sys_waitid , 4)
1754: MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1755: MIPS_SYS(sys_add_key , 5)
1.1.1.6 root 1756: MIPS_SYS(sys_request_key, 4)
1.1.1.2 root 1757: MIPS_SYS(sys_keyctl , 5)
1.1.1.6 root 1758: MIPS_SYS(sys_set_thread_area, 1)
1759: MIPS_SYS(sys_inotify_init, 0)
1760: MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1761: MIPS_SYS(sys_inotify_rm_watch, 2)
1762: MIPS_SYS(sys_migrate_pages, 4)
1763: MIPS_SYS(sys_openat, 4)
1764: MIPS_SYS(sys_mkdirat, 3)
1765: MIPS_SYS(sys_mknodat, 4) /* 4290 */
1766: MIPS_SYS(sys_fchownat, 5)
1767: MIPS_SYS(sys_futimesat, 3)
1768: MIPS_SYS(sys_fstatat64, 4)
1769: MIPS_SYS(sys_unlinkat, 3)
1770: MIPS_SYS(sys_renameat, 4) /* 4295 */
1771: MIPS_SYS(sys_linkat, 5)
1772: MIPS_SYS(sys_symlinkat, 3)
1773: MIPS_SYS(sys_readlinkat, 4)
1774: MIPS_SYS(sys_fchmodat, 3)
1775: MIPS_SYS(sys_faccessat, 3) /* 4300 */
1776: MIPS_SYS(sys_pselect6, 6)
1777: MIPS_SYS(sys_ppoll, 5)
1778: MIPS_SYS(sys_unshare, 1)
1779: MIPS_SYS(sys_splice, 4)
1780: MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1781: MIPS_SYS(sys_tee, 4)
1782: MIPS_SYS(sys_vmsplice, 4)
1783: MIPS_SYS(sys_move_pages, 6)
1784: MIPS_SYS(sys_set_robust_list, 2)
1785: MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1786: MIPS_SYS(sys_kexec_load, 4)
1787: MIPS_SYS(sys_getcpu, 3)
1788: MIPS_SYS(sys_epoll_pwait, 6)
1789: MIPS_SYS(sys_ioprio_set, 3)
1790: MIPS_SYS(sys_ioprio_get, 2)
1.1.1.2 root 1791: };
1792:
1793: #undef MIPS_SYS
1794:
1.1.1.8 ! root 1795: static int do_store_exclusive(CPUMIPSState *env)
! 1796: {
! 1797: target_ulong addr;
! 1798: target_ulong page_addr;
! 1799: target_ulong val;
! 1800: int flags;
! 1801: int segv = 0;
! 1802: int reg;
! 1803: int d;
! 1804:
! 1805: addr = env->CP0_LLAddr;
! 1806: page_addr = addr & TARGET_PAGE_MASK;
! 1807: start_exclusive();
! 1808: mmap_lock();
! 1809: flags = page_get_flags(page_addr);
! 1810: if ((flags & PAGE_READ) == 0) {
! 1811: segv = 1;
! 1812: } else {
! 1813: reg = env->llreg & 0x1f;
! 1814: d = (env->llreg & 0x20) != 0;
! 1815: if (d) {
! 1816: segv = get_user_s64(val, addr);
! 1817: } else {
! 1818: segv = get_user_s32(val, addr);
! 1819: }
! 1820: if (!segv) {
! 1821: if (val != env->llval) {
! 1822: env->active_tc.gpr[reg] = 0;
! 1823: } else {
! 1824: if (d) {
! 1825: segv = put_user_u64(env->llnewval, addr);
! 1826: } else {
! 1827: segv = put_user_u32(env->llnewval, addr);
! 1828: }
! 1829: if (!segv) {
! 1830: env->active_tc.gpr[reg] = 1;
! 1831: }
! 1832: }
! 1833: }
! 1834: }
! 1835: env->CP0_LLAddr = -1;
! 1836: if (!segv) {
! 1837: env->active_tc.PC += 4;
! 1838: }
! 1839: mmap_unlock();
! 1840: end_exclusive();
! 1841: return segv;
! 1842: }
! 1843:
1.1.1.2 root 1844: void cpu_loop(CPUMIPSState *env)
1845: {
1846: target_siginfo_t info;
1.1.1.6 root 1847: int trapnr, ret;
1.1.1.2 root 1848: unsigned int syscall_num;
1849:
1850: for(;;) {
1.1.1.8 ! root 1851: cpu_exec_start(env);
1.1.1.2 root 1852: trapnr = cpu_mips_exec(env);
1.1.1.8 ! root 1853: cpu_exec_end(env);
1.1.1.2 root 1854: switch(trapnr) {
1855: case EXCP_SYSCALL:
1.1.1.7 root 1856: syscall_num = env->active_tc.gpr[2] - 4000;
1857: env->active_tc.PC += 4;
1.1.1.6 root 1858: if (syscall_num >= sizeof(mips_syscall_args)) {
1859: ret = -ENOSYS;
1860: } else {
1861: int nb_args;
1862: abi_ulong sp_reg;
1863: abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1864:
1865: nb_args = mips_syscall_args[syscall_num];
1.1.1.7 root 1866: sp_reg = env->active_tc.gpr[29];
1.1.1.6 root 1867: switch (nb_args) {
1868: /* these arguments are taken from the stack */
1869: /* FIXME - what to do if get_user() fails? */
1870: case 8: get_user_ual(arg8, sp_reg + 28);
1871: case 7: get_user_ual(arg7, sp_reg + 24);
1872: case 6: get_user_ual(arg6, sp_reg + 20);
1873: case 5: get_user_ual(arg5, sp_reg + 16);
1874: default:
1875: break;
1.1.1.2 root 1876: }
1.1.1.7 root 1877: ret = do_syscall(env, env->active_tc.gpr[2],
1878: env->active_tc.gpr[4],
1879: env->active_tc.gpr[5],
1880: env->active_tc.gpr[6],
1881: env->active_tc.gpr[7],
1.1.1.6 root 1882: arg5, arg6/*, arg7, arg8*/);
1883: }
1.1.1.8 ! root 1884: if (ret == -TARGET_QEMU_ESIGRETURN) {
! 1885: /* Returning from a successful sigreturn syscall.
! 1886: Avoid clobbering register state. */
! 1887: break;
! 1888: }
1.1.1.6 root 1889: if ((unsigned int)ret >= (unsigned int)(-1133)) {
1.1.1.7 root 1890: env->active_tc.gpr[7] = 1; /* error flag */
1.1.1.6 root 1891: ret = -ret;
1892: } else {
1.1.1.7 root 1893: env->active_tc.gpr[7] = 0; /* error flag */
1.1.1.2 root 1894: }
1.1.1.7 root 1895: env->active_tc.gpr[2] = ret;
1.1.1.2 root 1896: break;
1.1.1.5 root 1897: case EXCP_TLBL:
1898: case EXCP_TLBS:
1.1.1.8 ! root 1899: info.si_signo = TARGET_SIGSEGV;
! 1900: info.si_errno = 0;
! 1901: /* XXX: check env->error_code */
! 1902: info.si_code = TARGET_SEGV_MAPERR;
! 1903: info._sifields._sigfault._addr = env->CP0_BadVAddr;
! 1904: queue_signal(env, info.si_signo, &info);
! 1905: break;
1.1.1.2 root 1906: case EXCP_CpU:
1907: case EXCP_RI:
1.1.1.4 root 1908: info.si_signo = TARGET_SIGILL;
1909: info.si_errno = 0;
1910: info.si_code = 0;
1.1.1.7 root 1911: queue_signal(env, info.si_signo, &info);
1.1.1.4 root 1912: break;
1913: case EXCP_INTERRUPT:
1914: /* just indicate that signals should be handled asap */
1.1.1.2 root 1915: break;
1.1.1.5 root 1916: case EXCP_DEBUG:
1917: {
1918: int sig;
1919:
1920: sig = gdb_handlesig (env, TARGET_SIGTRAP);
1921: if (sig)
1922: {
1923: info.si_signo = sig;
1924: info.si_errno = 0;
1925: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 1926: queue_signal(env, info.si_signo, &info);
1.1.1.5 root 1927: }
1928: }
1929: break;
1.1.1.8 ! root 1930: case EXCP_SC:
! 1931: if (do_store_exclusive(env)) {
! 1932: info.si_signo = TARGET_SIGSEGV;
! 1933: info.si_errno = 0;
! 1934: info.si_code = TARGET_SEGV_MAPERR;
! 1935: info._sifields._sigfault._addr = env->active_tc.PC;
! 1936: queue_signal(env, info.si_signo, &info);
! 1937: }
! 1938: break;
1.1.1.2 root 1939: default:
1940: // error:
1.1.1.6 root 1941: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1.1.1.2 root 1942: trapnr);
1943: cpu_dump_state(env, stderr, fprintf, 0);
1944: abort();
1945: }
1946: process_pending_signals(env);
1947: }
1948: }
1949: #endif
1950:
1.1.1.3 root 1951: #ifdef TARGET_SH4
1952: void cpu_loop (CPUState *env)
1953: {
1954: int trapnr, ret;
1.1.1.4 root 1955: target_siginfo_t info;
1.1.1.6 root 1956:
1.1.1.3 root 1957: while (1) {
1958: trapnr = cpu_sh4_exec (env);
1.1.1.6 root 1959:
1.1.1.3 root 1960: switch (trapnr) {
1961: case 0x160:
1.1.1.7 root 1962: env->pc += 2;
1.1.1.6 root 1963: ret = do_syscall(env,
1964: env->gregs[3],
1965: env->gregs[4],
1966: env->gregs[5],
1967: env->gregs[6],
1968: env->gregs[7],
1969: env->gregs[0],
1970: env->gregs[1]);
1.1.1.4 root 1971: env->gregs[0] = ret;
1.1.1.3 root 1972: break;
1.1.1.6 root 1973: case EXCP_INTERRUPT:
1974: /* just indicate that signals should be handled asap */
1975: break;
1976: case EXCP_DEBUG:
1977: {
1978: int sig;
1979:
1980: sig = gdb_handlesig (env, TARGET_SIGTRAP);
1981: if (sig)
1982: {
1983: info.si_signo = sig;
1984: info.si_errno = 0;
1985: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 1986: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 1987: }
1988: }
1989: break;
1990: case 0xa0:
1991: case 0xc0:
1992: info.si_signo = SIGSEGV;
1993: info.si_errno = 0;
1994: info.si_code = TARGET_SEGV_MAPERR;
1995: info._sifields._sigfault._addr = env->tea;
1.1.1.7 root 1996: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 1997: break;
1998:
1999: default:
2000: printf ("Unhandled trap: 0x%x\n", trapnr);
2001: cpu_dump_state(env, stderr, fprintf, 0);
2002: exit (1);
2003: }
2004: process_pending_signals (env);
2005: }
2006: }
2007: #endif
2008:
2009: #ifdef TARGET_CRIS
2010: void cpu_loop (CPUState *env)
2011: {
2012: int trapnr, ret;
2013: target_siginfo_t info;
2014:
2015: while (1) {
2016: trapnr = cpu_cris_exec (env);
2017: switch (trapnr) {
2018: case 0xaa:
2019: {
2020: info.si_signo = SIGSEGV;
2021: info.si_errno = 0;
2022: /* XXX: check env->error_code */
2023: info.si_code = TARGET_SEGV_MAPERR;
1.1.1.7 root 2024: info._sifields._sigfault._addr = env->pregs[PR_EDA];
2025: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 2026: }
2027: break;
1.1.1.7 root 2028: case EXCP_INTERRUPT:
2029: /* just indicate that signals should be handled asap */
2030: break;
1.1.1.6 root 2031: case EXCP_BREAK:
2032: ret = do_syscall(env,
2033: env->regs[9],
2034: env->regs[10],
2035: env->regs[11],
2036: env->regs[12],
2037: env->regs[13],
2038: env->pregs[7],
2039: env->pregs[11]);
2040: env->regs[10] = ret;
2041: break;
1.1.1.4 root 2042: case EXCP_DEBUG:
2043: {
2044: int sig;
2045:
2046: sig = gdb_handlesig (env, TARGET_SIGTRAP);
2047: if (sig)
2048: {
2049: info.si_signo = sig;
2050: info.si_errno = 0;
2051: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 2052: queue_signal(env, info.si_signo, &info);
1.1.1.4 root 2053: }
2054: }
2055: break;
1.1.1.3 root 2056: default:
2057: printf ("Unhandled trap: 0x%x\n", trapnr);
2058: cpu_dump_state(env, stderr, fprintf, 0);
2059: exit (1);
2060: }
2061: process_pending_signals (env);
2062: }
2063: }
2064: #endif
2065:
1.1.1.8 ! root 2066: #ifdef TARGET_MICROBLAZE
! 2067: void cpu_loop (CPUState *env)
! 2068: {
! 2069: int trapnr, ret;
! 2070: target_siginfo_t info;
! 2071:
! 2072: while (1) {
! 2073: trapnr = cpu_mb_exec (env);
! 2074: switch (trapnr) {
! 2075: case 0xaa:
! 2076: {
! 2077: info.si_signo = SIGSEGV;
! 2078: info.si_errno = 0;
! 2079: /* XXX: check env->error_code */
! 2080: info.si_code = TARGET_SEGV_MAPERR;
! 2081: info._sifields._sigfault._addr = 0;
! 2082: queue_signal(env, info.si_signo, &info);
! 2083: }
! 2084: break;
! 2085: case EXCP_INTERRUPT:
! 2086: /* just indicate that signals should be handled asap */
! 2087: break;
! 2088: case EXCP_BREAK:
! 2089: /* Return address is 4 bytes after the call. */
! 2090: env->regs[14] += 4;
! 2091: ret = do_syscall(env,
! 2092: env->regs[12],
! 2093: env->regs[5],
! 2094: env->regs[6],
! 2095: env->regs[7],
! 2096: env->regs[8],
! 2097: env->regs[9],
! 2098: env->regs[10]);
! 2099: env->regs[3] = ret;
! 2100: env->sregs[SR_PC] = env->regs[14];
! 2101: break;
! 2102: case EXCP_DEBUG:
! 2103: {
! 2104: int sig;
! 2105:
! 2106: sig = gdb_handlesig (env, TARGET_SIGTRAP);
! 2107: if (sig)
! 2108: {
! 2109: info.si_signo = sig;
! 2110: info.si_errno = 0;
! 2111: info.si_code = TARGET_TRAP_BRKPT;
! 2112: queue_signal(env, info.si_signo, &info);
! 2113: }
! 2114: }
! 2115: break;
! 2116: default:
! 2117: printf ("Unhandled trap: 0x%x\n", trapnr);
! 2118: cpu_dump_state(env, stderr, fprintf, 0);
! 2119: exit (1);
! 2120: }
! 2121: process_pending_signals (env);
! 2122: }
! 2123: }
! 2124: #endif
! 2125:
1.1.1.5 root 2126: #ifdef TARGET_M68K
2127:
2128: void cpu_loop(CPUM68KState *env)
2129: {
2130: int trapnr;
2131: unsigned int n;
2132: target_siginfo_t info;
2133: TaskState *ts = env->opaque;
1.1.1.6 root 2134:
1.1.1.5 root 2135: for(;;) {
2136: trapnr = cpu_m68k_exec(env);
2137: switch(trapnr) {
2138: case EXCP_ILLEGAL:
2139: {
2140: if (ts->sim_syscalls) {
2141: uint16_t nr;
2142: nr = lduw(env->pc + 2);
2143: env->pc += 4;
2144: do_m68k_simcall(env, nr);
2145: } else {
2146: goto do_sigill;
2147: }
2148: }
2149: break;
1.1.1.6 root 2150: case EXCP_HALT_INSN:
1.1.1.5 root 2151: /* Semihosing syscall. */
1.1.1.6 root 2152: env->pc += 4;
1.1.1.5 root 2153: do_m68k_semihosting(env, env->dregs[0]);
2154: break;
2155: case EXCP_LINEA:
2156: case EXCP_LINEF:
2157: case EXCP_UNSUPPORTED:
2158: do_sigill:
2159: info.si_signo = SIGILL;
2160: info.si_errno = 0;
2161: info.si_code = TARGET_ILL_ILLOPN;
2162: info._sifields._sigfault._addr = env->pc;
1.1.1.7 root 2163: queue_signal(env, info.si_signo, &info);
1.1.1.5 root 2164: break;
2165: case EXCP_TRAP0:
2166: {
2167: ts->sim_syscalls = 0;
2168: n = env->dregs[0];
2169: env->pc += 2;
1.1.1.6 root 2170: env->dregs[0] = do_syscall(env,
2171: n,
1.1.1.5 root 2172: env->dregs[1],
2173: env->dregs[2],
2174: env->dregs[3],
2175: env->dregs[4],
2176: env->dregs[5],
1.1.1.7 root 2177: env->aregs[0]);
1.1.1.5 root 2178: }
2179: break;
2180: case EXCP_INTERRUPT:
2181: /* just indicate that signals should be handled asap */
2182: break;
2183: case EXCP_ACCESS:
2184: {
2185: info.si_signo = SIGSEGV;
2186: info.si_errno = 0;
2187: /* XXX: check env->error_code */
2188: info.si_code = TARGET_SEGV_MAPERR;
2189: info._sifields._sigfault._addr = env->mmu.ar;
1.1.1.7 root 2190: queue_signal(env, info.si_signo, &info);
1.1.1.5 root 2191: }
2192: break;
2193: case EXCP_DEBUG:
2194: {
2195: int sig;
2196:
2197: sig = gdb_handlesig (env, TARGET_SIGTRAP);
2198: if (sig)
2199: {
2200: info.si_signo = sig;
2201: info.si_errno = 0;
2202: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 2203: queue_signal(env, info.si_signo, &info);
1.1.1.5 root 2204: }
2205: }
2206: break;
2207: default:
1.1.1.6 root 2208: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1.1.1.5 root 2209: trapnr);
2210: cpu_dump_state(env, stderr, fprintf, 0);
2211: abort();
2212: }
2213: process_pending_signals(env);
2214: }
2215: }
2216: #endif /* TARGET_M68K */
2217:
1.1.1.6 root 2218: #ifdef TARGET_ALPHA
2219: void cpu_loop (CPUState *env)
2220: {
2221: int trapnr;
2222: target_siginfo_t info;
2223:
2224: while (1) {
2225: trapnr = cpu_alpha_exec (env);
2226:
2227: switch (trapnr) {
2228: case EXCP_RESET:
2229: fprintf(stderr, "Reset requested. Exit\n");
2230: exit(1);
2231: break;
2232: case EXCP_MCHK:
2233: fprintf(stderr, "Machine check exception. Exit\n");
2234: exit(1);
2235: break;
2236: case EXCP_ARITH:
2237: fprintf(stderr, "Arithmetic trap.\n");
2238: exit(1);
2239: break;
2240: case EXCP_HW_INTERRUPT:
2241: fprintf(stderr, "External interrupt. Exit\n");
2242: exit(1);
2243: break;
2244: case EXCP_DFAULT:
2245: fprintf(stderr, "MMU data fault\n");
2246: exit(1);
2247: break;
2248: case EXCP_DTB_MISS_PAL:
2249: fprintf(stderr, "MMU data TLB miss in PALcode\n");
2250: exit(1);
2251: break;
2252: case EXCP_ITB_MISS:
2253: fprintf(stderr, "MMU instruction TLB miss\n");
2254: exit(1);
2255: break;
2256: case EXCP_ITB_ACV:
2257: fprintf(stderr, "MMU instruction access violation\n");
2258: exit(1);
2259: break;
2260: case EXCP_DTB_MISS_NATIVE:
2261: fprintf(stderr, "MMU data TLB miss\n");
2262: exit(1);
2263: break;
2264: case EXCP_UNALIGN:
2265: fprintf(stderr, "Unaligned access\n");
2266: exit(1);
2267: break;
2268: case EXCP_OPCDEC:
2269: fprintf(stderr, "Invalid instruction\n");
2270: exit(1);
2271: break;
2272: case EXCP_FEN:
2273: fprintf(stderr, "Floating-point not allowed\n");
2274: exit(1);
2275: break;
2276: case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
2277: call_pal(env, (trapnr >> 6) | 0x80);
2278: break;
2279: case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
2280: fprintf(stderr, "Privileged call to PALcode\n");
2281: exit(1);
2282: break;
2283: case EXCP_DEBUG:
2284: {
2285: int sig;
2286:
2287: sig = gdb_handlesig (env, TARGET_SIGTRAP);
2288: if (sig)
2289: {
2290: info.si_signo = sig;
2291: info.si_errno = 0;
2292: info.si_code = TARGET_TRAP_BRKPT;
1.1.1.7 root 2293: queue_signal(env, info.si_signo, &info);
1.1.1.6 root 2294: }
2295: }
2296: break;
2297: default:
2298: printf ("Unhandled trap: 0x%x\n", trapnr);
2299: cpu_dump_state(env, stderr, fprintf, 0);
2300: exit (1);
2301: }
2302: process_pending_signals (env);
2303: }
2304: }
2305: #endif /* TARGET_ALPHA */
2306:
1.1.1.7 root 2307: static void usage(void)
1.1 root 2308: {
1.1.1.8 ! root 2309: printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
1.1.1.6 root 2310: "usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n"
1.1 root 2311: "Linux CPU emulator (compiled for %s emulation)\n"
2312: "\n"
1.1.1.6 root 2313: "Standard options:\n"
2314: "-h print this help\n"
2315: "-g port wait gdb connection to port\n"
2316: "-L path set the elf interpreter prefix (default=%s)\n"
2317: "-s size set the stack size in bytes (default=%ld)\n"
2318: "-cpu model select CPU (-cpu ? for list)\n"
2319: "-drop-ld-preload drop LD_PRELOAD for target process\n"
1.1.1.7 root 2320: "-E var=value sets/modifies targets environment variable(s)\n"
2321: "-U var unsets targets environment variable(s)\n"
1.1.1.8 ! root 2322: "-0 argv0 forces target process argv[0] to be argv0\n"
1.1 root 2323: "\n"
1.1.1.6 root 2324: "Debug options:\n"
1.1 root 2325: "-d options activate log (logfile=%s)\n"
1.1.1.6 root 2326: "-p pagesize set the host page size to 'pagesize'\n"
1.1.1.8 ! root 2327: "-singlestep always run in singlestep mode\n"
1.1.1.6 root 2328: "-strace log system calls\n"
2329: "\n"
2330: "Environment variables:\n"
2331: "QEMU_STRACE Print system calls and arguments similar to the\n"
2332: " 'strace' program. Enable by setting to any value.\n"
1.1.1.7 root 2333: "You can use -E and -U options to set/unset environment variables\n"
2334: "for target process. It is possible to provide several variables\n"
2335: "by repeating the option. For example:\n"
2336: " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n"
2337: "Note that if you provide several changes to single variable\n"
2338: "last change will stay in effect.\n"
1.1.1.6 root 2339: ,
1.1 root 2340: TARGET_ARCH,
1.1.1.6 root 2341: interp_prefix,
1.1 root 2342: x86_stack_size,
2343: DEBUG_LOGFILE);
1.1.1.7 root 2344: exit(1);
1.1 root 2345: }
2346:
1.1.1.7 root 2347: THREAD CPUState *thread_env;
1.1 root 2348:
1.1.1.8 ! root 2349: void task_settid(TaskState *ts)
! 2350: {
! 2351: if (ts->ts_tid == 0) {
! 2352: #ifdef USE_NPTL
! 2353: ts->ts_tid = (pid_t)syscall(SYS_gettid);
! 2354: #else
! 2355: /* when no threads are used, tid becomes pid */
! 2356: ts->ts_tid = getpid();
! 2357: #endif
! 2358: }
! 2359: }
! 2360:
! 2361: void stop_all_tasks(void)
! 2362: {
! 2363: /*
! 2364: * We trust that when using NPTL, start_exclusive()
! 2365: * handles thread stopping correctly.
! 2366: */
! 2367: start_exclusive();
! 2368: }
! 2369:
1.1.1.7 root 2370: /* Assumes contents are already zeroed. */
2371: void init_task_state(TaskState *ts)
2372: {
2373: int i;
2374:
2375: ts->used = 1;
2376: ts->first_free = ts->sigqueue_table;
2377: for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) {
2378: ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1];
2379: }
2380: ts->sigqueue_table[i].next = NULL;
2381: }
2382:
2383: int main(int argc, char **argv, char **envp)
1.1 root 2384: {
2385: const char *filename;
1.1.1.6 root 2386: const char *cpu_model;
1.1 root 2387: struct target_pt_regs regs1, *regs = ®s1;
2388: struct image_info info1, *info = &info1;
1.1.1.8 ! root 2389: struct linux_binprm bprm;
1.1 root 2390: TaskState ts1, *ts = &ts1;
2391: CPUState *env;
2392: int optind;
2393: const char *r;
1.1.1.2 root 2394: int gdbstub_port = 0;
1.1.1.7 root 2395: char **target_environ, **wrk;
1.1.1.8 ! root 2396: char **target_argv;
! 2397: int target_argc;
1.1.1.7 root 2398: envlist_t *envlist = NULL;
1.1.1.8 ! root 2399: const char *argv0 = NULL;
! 2400: int i;
! 2401: int ret;
1.1.1.6 root 2402:
1.1 root 2403: if (argc <= 1)
2404: usage();
2405:
1.1.1.7 root 2406: qemu_cache_utils_init(envp);
2407:
1.1 root 2408: /* init debug */
2409: cpu_set_log_filename(DEBUG_LOGFILE);
2410:
1.1.1.7 root 2411: if ((envlist = envlist_create()) == NULL) {
2412: (void) fprintf(stderr, "Unable to allocate envlist\n");
2413: exit(1);
2414: }
2415:
2416: /* add current environment into the list */
2417: for (wrk = environ; *wrk != NULL; wrk++) {
2418: (void) envlist_setenv(envlist, *wrk);
2419: }
2420:
1.1.1.6 root 2421: cpu_model = NULL;
1.1 root 2422: optind = 1;
2423: for(;;) {
2424: if (optind >= argc)
2425: break;
2426: r = argv[optind];
2427: if (r[0] != '-')
2428: break;
2429: optind++;
2430: r++;
2431: if (!strcmp(r, "-")) {
2432: break;
2433: } else if (!strcmp(r, "d")) {
2434: int mask;
1.1.1.7 root 2435: const CPULogItem *item;
1.1 root 2436:
2437: if (optind >= argc)
2438: break;
1.1.1.6 root 2439:
1.1 root 2440: r = argv[optind++];
2441: mask = cpu_str_to_log_mask(r);
2442: if (!mask) {
2443: printf("Log items (comma separated):\n");
2444: for(item = cpu_log_items; item->mask != 0; item++) {
2445: printf("%-10s %s\n", item->name, item->help);
2446: }
2447: exit(1);
2448: }
2449: cpu_set_log(mask);
1.1.1.7 root 2450: } else if (!strcmp(r, "E")) {
2451: r = argv[optind++];
2452: if (envlist_setenv(envlist, r) != 0)
2453: usage();
2454: } else if (!strcmp(r, "U")) {
2455: r = argv[optind++];
2456: if (envlist_unsetenv(envlist, r) != 0)
2457: usage();
1.1.1.8 ! root 2458: } else if (!strcmp(r, "0")) {
! 2459: r = argv[optind++];
! 2460: argv0 = r;
1.1 root 2461: } else if (!strcmp(r, "s")) {
1.1.1.7 root 2462: if (optind >= argc)
2463: break;
1.1 root 2464: r = argv[optind++];
2465: x86_stack_size = strtol(r, (char **)&r, 0);
2466: if (x86_stack_size <= 0)
2467: usage();
2468: if (*r == 'M')
2469: x86_stack_size *= 1024 * 1024;
2470: else if (*r == 'k' || *r == 'K')
2471: x86_stack_size *= 1024;
2472: } else if (!strcmp(r, "L")) {
2473: interp_prefix = argv[optind++];
2474: } else if (!strcmp(r, "p")) {
1.1.1.7 root 2475: if (optind >= argc)
2476: break;
1.1 root 2477: qemu_host_page_size = atoi(argv[optind++]);
2478: if (qemu_host_page_size == 0 ||
2479: (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
2480: fprintf(stderr, "page size must be a power of two\n");
2481: exit(1);
2482: }
2483: } else if (!strcmp(r, "g")) {
1.1.1.7 root 2484: if (optind >= argc)
2485: break;
1.1.1.2 root 2486: gdbstub_port = atoi(argv[optind++]);
1.1.1.4 root 2487: } else if (!strcmp(r, "r")) {
2488: qemu_uname_release = argv[optind++];
1.1.1.6 root 2489: } else if (!strcmp(r, "cpu")) {
2490: cpu_model = argv[optind++];
1.1.1.7 root 2491: if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) {
1.1.1.6 root 2492: /* XXX: implement xxx_cpu_list for targets that still miss it */
2493: #if defined(cpu_list)
2494: cpu_list(stdout, &fprintf);
2495: #endif
1.1.1.7 root 2496: exit(1);
1.1.1.6 root 2497: }
2498: } else if (!strcmp(r, "drop-ld-preload")) {
1.1.1.7 root 2499: (void) envlist_unsetenv(envlist, "LD_PRELOAD");
1.1.1.8 ! root 2500: } else if (!strcmp(r, "singlestep")) {
! 2501: singlestep = 1;
1.1.1.6 root 2502: } else if (!strcmp(r, "strace")) {
2503: do_strace = 1;
2504: } else
1.1 root 2505: {
2506: usage();
2507: }
2508: }
2509: if (optind >= argc)
2510: usage();
2511: filename = argv[optind];
1.1.1.7 root 2512: exec_path = argv[optind];
1.1 root 2513:
2514: /* Zero out regs */
2515: memset(regs, 0, sizeof(struct target_pt_regs));
2516:
2517: /* Zero out image_info */
2518: memset(info, 0, sizeof(struct image_info));
2519:
1.1.1.8 ! root 2520: memset(&bprm, 0, sizeof (bprm));
! 2521:
1.1 root 2522: /* Scan interp_prefix dir for replacement files. */
2523: init_paths(interp_prefix);
2524:
1.1.1.6 root 2525: if (cpu_model == NULL) {
2526: #if defined(TARGET_I386)
2527: #ifdef TARGET_X86_64
2528: cpu_model = "qemu64";
2529: #else
2530: cpu_model = "qemu32";
2531: #endif
2532: #elif defined(TARGET_ARM)
1.1.1.8 ! root 2533: cpu_model = "any";
1.1.1.6 root 2534: #elif defined(TARGET_M68K)
2535: cpu_model = "any";
2536: #elif defined(TARGET_SPARC)
2537: #ifdef TARGET_SPARC64
2538: cpu_model = "TI UltraSparc II";
2539: #else
2540: cpu_model = "Fujitsu MB86904";
2541: #endif
2542: #elif defined(TARGET_MIPS)
2543: #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
2544: cpu_model = "20Kc";
2545: #else
2546: cpu_model = "24Kf";
2547: #endif
2548: #elif defined(TARGET_PPC)
2549: #ifdef TARGET_PPC64
2550: cpu_model = "970";
2551: #else
2552: cpu_model = "750";
2553: #endif
2554: #else
2555: cpu_model = "any";
2556: #endif
2557: }
1.1.1.7 root 2558: cpu_exec_init_all(0);
1.1 root 2559: /* NOTE: we need to init the CPU at this stage to get
2560: qemu_host_page_size */
1.1.1.6 root 2561: env = cpu_init(cpu_model);
2562: if (!env) {
2563: fprintf(stderr, "Unable to find CPU definition\n");
2564: exit(1);
2565: }
1.1.1.7 root 2566: thread_env = env;
1.1.1.6 root 2567:
2568: if (getenv("QEMU_STRACE")) {
2569: do_strace = 1;
1.1 root 2570: }
1.1.1.6 root 2571:
1.1.1.7 root 2572: target_environ = envlist_to_environ(envlist, NULL);
2573: envlist_free(envlist);
1.1.1.6 root 2574:
1.1.1.8 ! root 2575: /*
! 2576: * Prepare copy of argv vector for target.
! 2577: */
! 2578: target_argc = argc - optind;
! 2579: target_argv = calloc(target_argc + 1, sizeof (char *));
! 2580: if (target_argv == NULL) {
! 2581: (void) fprintf(stderr, "Unable to allocate memory for target_argv\n");
! 2582: exit(1);
! 2583: }
! 2584:
! 2585: /*
! 2586: * If argv0 is specified (using '-0' switch) we replace
! 2587: * argv[0] pointer with the given one.
! 2588: */
! 2589: i = 0;
! 2590: if (argv0 != NULL) {
! 2591: target_argv[i++] = strdup(argv0);
! 2592: }
! 2593: for (; i < target_argc; i++) {
! 2594: target_argv[i] = strdup(argv[optind + i]);
! 2595: }
! 2596: target_argv[target_argc] = NULL;
! 2597:
! 2598: memset(ts, 0, sizeof(TaskState));
! 2599: init_task_state(ts);
! 2600: /* build Task State */
! 2601: ts->info = info;
! 2602: ts->bprm = &bprm;
! 2603: env->opaque = ts;
! 2604: task_settid(ts);
! 2605:
! 2606: ret = loader_exec(filename, target_argv, target_environ, regs,
! 2607: info, &bprm);
! 2608: if (ret != 0) {
! 2609: printf("Error %d while loading %s\n", ret, filename);
1.1.1.6 root 2610: _exit(1);
2611: }
2612:
1.1.1.8 ! root 2613: for (i = 0; i < target_argc; i++) {
! 2614: free(target_argv[i]);
! 2615: }
! 2616: free(target_argv);
! 2617:
1.1.1.6 root 2618: for (wrk = target_environ; *wrk; wrk++) {
2619: free(*wrk);
2620: }
2621:
2622: free(target_environ);
2623:
1.1.1.7 root 2624: if (qemu_log_enabled()) {
2625: log_page_dump();
1.1.1.6 root 2626:
1.1.1.7 root 2627: qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
2628: qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code);
2629: qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n",
2630: info->start_code);
2631: qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n",
2632: info->start_data);
2633: qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data);
2634: qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n",
2635: info->start_stack);
2636: qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk);
2637: qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry);
1.1 root 2638: }
2639:
1.1.1.3 root 2640: target_set_brk(info->brk);
1.1 root 2641: syscall_init();
2642: signal_init();
2643:
2644: #if defined(TARGET_I386)
2645: cpu_x86_set_cpl(env, 3);
2646:
2647: env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
2648: env->hflags |= HF_PE_MASK;
2649: if (env->cpuid_features & CPUID_SSE) {
2650: env->cr[4] |= CR4_OSFXSR_MASK;
2651: env->hflags |= HF_OSFXSR_MASK;
2652: }
1.1.1.6 root 2653: #ifndef TARGET_ABI32
2654: /* enable 64 bit mode if possible */
2655: if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) {
2656: fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n");
2657: exit(1);
2658: }
2659: env->cr[4] |= CR4_PAE_MASK;
2660: env->efer |= MSR_EFER_LMA | MSR_EFER_LME;
2661: env->hflags |= HF_LMA_MASK;
2662: #endif
1.1 root 2663:
2664: /* flags setup : we activate the IRQs by default as in user mode */
2665: env->eflags |= IF_MASK;
1.1.1.6 root 2666:
1.1 root 2667: /* linux register setup */
1.1.1.6 root 2668: #ifndef TARGET_ABI32
2669: env->regs[R_EAX] = regs->rax;
2670: env->regs[R_EBX] = regs->rbx;
2671: env->regs[R_ECX] = regs->rcx;
2672: env->regs[R_EDX] = regs->rdx;
2673: env->regs[R_ESI] = regs->rsi;
2674: env->regs[R_EDI] = regs->rdi;
2675: env->regs[R_EBP] = regs->rbp;
2676: env->regs[R_ESP] = regs->rsp;
2677: env->eip = regs->rip;
2678: #else
1.1 root 2679: env->regs[R_EAX] = regs->eax;
2680: env->regs[R_EBX] = regs->ebx;
2681: env->regs[R_ECX] = regs->ecx;
2682: env->regs[R_EDX] = regs->edx;
2683: env->regs[R_ESI] = regs->esi;
2684: env->regs[R_EDI] = regs->edi;
2685: env->regs[R_EBP] = regs->ebp;
2686: env->regs[R_ESP] = regs->esp;
2687: env->eip = regs->eip;
1.1.1.6 root 2688: #endif
1.1 root 2689:
2690: /* linux interrupt setup */
1.1.1.7 root 2691: #ifndef TARGET_ABI32
2692: env->idt.limit = 511;
2693: #else
2694: env->idt.limit = 255;
2695: #endif
2696: env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),
2697: PROT_READ|PROT_WRITE,
2698: MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2699: idt_table = g2h(env->idt.base);
1.1 root 2700: set_idt(0, 0);
2701: set_idt(1, 0);
2702: set_idt(2, 0);
2703: set_idt(3, 3);
2704: set_idt(4, 3);
1.1.1.7 root 2705: set_idt(5, 0);
1.1 root 2706: set_idt(6, 0);
2707: set_idt(7, 0);
2708: set_idt(8, 0);
2709: set_idt(9, 0);
2710: set_idt(10, 0);
2711: set_idt(11, 0);
2712: set_idt(12, 0);
2713: set_idt(13, 0);
2714: set_idt(14, 0);
2715: set_idt(15, 0);
2716: set_idt(16, 0);
2717: set_idt(17, 0);
2718: set_idt(18, 0);
2719: set_idt(19, 0);
2720: set_idt(0x80, 3);
2721:
2722: /* linux segment setup */
1.1.1.6 root 2723: {
2724: uint64_t *gdt_table;
1.1.1.7 root 2725: env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
2726: PROT_READ|PROT_WRITE,
2727: MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
1.1.1.6 root 2728: env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;
1.1.1.7 root 2729: gdt_table = g2h(env->gdt.base);
1.1.1.6 root 2730: #ifdef TARGET_ABI32
2731: write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2732: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2733: (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2734: #else
2735: /* 64 bit code segment */
2736: write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2737: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2738: DESC_L_MASK |
2739: (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2740: #endif
2741: write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
2742: DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2743: (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
2744: }
1.1 root 2745: cpu_x86_load_seg(env, R_CS, __USER_CS);
1.1.1.6 root 2746: cpu_x86_load_seg(env, R_SS, __USER_DS);
2747: #ifdef TARGET_ABI32
1.1 root 2748: cpu_x86_load_seg(env, R_DS, __USER_DS);
2749: cpu_x86_load_seg(env, R_ES, __USER_DS);
2750: cpu_x86_load_seg(env, R_FS, __USER_DS);
2751: cpu_x86_load_seg(env, R_GS, __USER_DS);
1.1.1.6 root 2752: /* This hack makes Wine work... */
2753: env->segs[R_FS].selector = 0;
2754: #else
2755: cpu_x86_load_seg(env, R_DS, 0);
2756: cpu_x86_load_seg(env, R_ES, 0);
2757: cpu_x86_load_seg(env, R_FS, 0);
2758: cpu_x86_load_seg(env, R_GS, 0);
2759: #endif
1.1 root 2760: #elif defined(TARGET_ARM)
2761: {
2762: int i;
1.1.1.2 root 2763: cpsr_write(env, regs->uregs[16], 0xffffffff);
1.1 root 2764: for(i = 0; i < 16; i++) {
2765: env->regs[i] = regs->uregs[i];
2766: }
2767: }
2768: #elif defined(TARGET_SPARC)
2769: {
2770: int i;
2771: env->pc = regs->pc;
2772: env->npc = regs->npc;
2773: env->y = regs->y;
2774: for(i = 0; i < 8; i++)
2775: env->gregs[i] = regs->u_regs[i];
2776: for(i = 0; i < 8; i++)
2777: env->regwptr[i] = regs->u_regs[i + 8];
2778: }
2779: #elif defined(TARGET_PPC)
2780: {
2781: int i;
2782:
1.1.1.6 root 2783: #if defined(TARGET_PPC64)
2784: #if defined(TARGET_ABI32)
2785: env->msr &= ~((target_ulong)1 << MSR_SF);
2786: #else
2787: env->msr |= (target_ulong)1 << MSR_SF;
2788: #endif
2789: #endif
1.1 root 2790: env->nip = regs->nip;
2791: for(i = 0; i < 32; i++) {
2792: env->gpr[i] = regs->gpr[i];
2793: }
2794: }
1.1.1.5 root 2795: #elif defined(TARGET_M68K)
2796: {
2797: env->pc = regs->pc;
2798: env->dregs[0] = regs->d0;
2799: env->dregs[1] = regs->d1;
2800: env->dregs[2] = regs->d2;
2801: env->dregs[3] = regs->d3;
2802: env->dregs[4] = regs->d4;
2803: env->dregs[5] = regs->d5;
2804: env->dregs[6] = regs->d6;
2805: env->dregs[7] = regs->d7;
2806: env->aregs[0] = regs->a0;
2807: env->aregs[1] = regs->a1;
2808: env->aregs[2] = regs->a2;
2809: env->aregs[3] = regs->a3;
2810: env->aregs[4] = regs->a4;
2811: env->aregs[5] = regs->a5;
2812: env->aregs[6] = regs->a6;
2813: env->aregs[7] = regs->usp;
2814: env->sr = regs->sr;
2815: ts->sim_syscalls = 1;
2816: }
1.1.1.8 ! root 2817: #elif defined(TARGET_MICROBLAZE)
! 2818: {
! 2819: env->regs[0] = regs->r0;
! 2820: env->regs[1] = regs->r1;
! 2821: env->regs[2] = regs->r2;
! 2822: env->regs[3] = regs->r3;
! 2823: env->regs[4] = regs->r4;
! 2824: env->regs[5] = regs->r5;
! 2825: env->regs[6] = regs->r6;
! 2826: env->regs[7] = regs->r7;
! 2827: env->regs[8] = regs->r8;
! 2828: env->regs[9] = regs->r9;
! 2829: env->regs[10] = regs->r10;
! 2830: env->regs[11] = regs->r11;
! 2831: env->regs[12] = regs->r12;
! 2832: env->regs[13] = regs->r13;
! 2833: env->regs[14] = regs->r14;
! 2834: env->regs[15] = regs->r15;
! 2835: env->regs[16] = regs->r16;
! 2836: env->regs[17] = regs->r17;
! 2837: env->regs[18] = regs->r18;
! 2838: env->regs[19] = regs->r19;
! 2839: env->regs[20] = regs->r20;
! 2840: env->regs[21] = regs->r21;
! 2841: env->regs[22] = regs->r22;
! 2842: env->regs[23] = regs->r23;
! 2843: env->regs[24] = regs->r24;
! 2844: env->regs[25] = regs->r25;
! 2845: env->regs[26] = regs->r26;
! 2846: env->regs[27] = regs->r27;
! 2847: env->regs[28] = regs->r28;
! 2848: env->regs[29] = regs->r29;
! 2849: env->regs[30] = regs->r30;
! 2850: env->regs[31] = regs->r31;
! 2851: env->sregs[SR_PC] = regs->pc;
! 2852: }
1.1.1.2 root 2853: #elif defined(TARGET_MIPS)
2854: {
2855: int i;
2856:
2857: for(i = 0; i < 32; i++) {
1.1.1.7 root 2858: env->active_tc.gpr[i] = regs->regs[i];
1.1.1.2 root 2859: }
1.1.1.7 root 2860: env->active_tc.PC = regs->cp0_epc;
1.1.1.2 root 2861: }
1.1.1.3 root 2862: #elif defined(TARGET_SH4)
2863: {
2864: int i;
2865:
2866: for(i = 0; i < 16; i++) {
2867: env->gregs[i] = regs->regs[i];
2868: }
2869: env->pc = regs->pc;
2870: }
1.1.1.6 root 2871: #elif defined(TARGET_ALPHA)
2872: {
2873: int i;
2874:
2875: for(i = 0; i < 28; i++) {
2876: env->ir[i] = ((abi_ulong *)regs)[i];
2877: }
2878: env->ipr[IPR_USP] = regs->usp;
2879: env->ir[30] = regs->usp;
2880: env->pc = regs->pc;
2881: env->unique = regs->unique;
2882: }
2883: #elif defined(TARGET_CRIS)
2884: {
2885: env->regs[0] = regs->r0;
2886: env->regs[1] = regs->r1;
2887: env->regs[2] = regs->r2;
2888: env->regs[3] = regs->r3;
2889: env->regs[4] = regs->r4;
2890: env->regs[5] = regs->r5;
2891: env->regs[6] = regs->r6;
2892: env->regs[7] = regs->r7;
2893: env->regs[8] = regs->r8;
2894: env->regs[9] = regs->r9;
2895: env->regs[10] = regs->r10;
2896: env->regs[11] = regs->r11;
2897: env->regs[12] = regs->r12;
2898: env->regs[13] = regs->r13;
2899: env->regs[14] = info->start_stack;
2900: env->regs[15] = regs->acr;
2901: env->pc = regs->erp;
2902: }
1.1 root 2903: #else
2904: #error unsupported target CPU
2905: #endif
2906:
1.1.1.6 root 2907: #if defined(TARGET_ARM) || defined(TARGET_M68K)
2908: ts->stack_base = info->start_stack;
2909: ts->heap_base = info->brk;
2910: /* This will be filled in on the first SYS_HEAPINFO call. */
2911: ts->heap_limit = 0;
2912: #endif
2913:
1.1.1.2 root 2914: if (gdbstub_port) {
2915: gdbserver_start (gdbstub_port);
1.1 root 2916: gdb_handlesig(env, 0);
2917: }
2918: cpu_loop(env);
2919: /* never exits */
2920: return 0;
2921: }
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