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1 | /* | |
2 | * qemu user main | |
3 | * | |
4 | * Copyright (c) 2003 Fabrice Bellard | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | #include <stdlib.h> | |
21 | #include <stdio.h> | |
22 | #include <stdarg.h> | |
23 | #include <string.h> | |
24 | #include <errno.h> | |
25 | #include <unistd.h> | |
26 | ||
27 | #include "qemu.h" | |
28 | ||
29 | #define DEBUG_LOGFILE "/tmp/qemu.log" | |
30 | ||
31 | #ifdef __APPLE__ | |
32 | #include <crt_externs.h> | |
33 | # define environ (*_NSGetEnviron()) | |
34 | #endif | |
35 | ||
36 | static const char *interp_prefix = CONFIG_QEMU_PREFIX; | |
37 | const char *qemu_uname_release = CONFIG_UNAME_RELEASE; | |
38 | ||
39 | #if defined(__i386__) && !defined(CONFIG_STATIC) | |
40 | /* Force usage of an ELF interpreter even if it is an ELF shared | |
41 | object ! */ | |
42 | const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2"; | |
43 | #endif | |
44 | ||
45 | /* for recent libc, we add these dummy symbols which are not declared | |
46 | when generating a linked object (bug in ld ?) */ | |
47 | #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC) | |
48 | long __preinit_array_start[0]; | |
49 | long __preinit_array_end[0]; | |
50 | long __init_array_start[0]; | |
51 | long __init_array_end[0]; | |
52 | long __fini_array_start[0]; | |
53 | long __fini_array_end[0]; | |
54 | #endif | |
55 | ||
56 | /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so | |
57 | we allocate a bigger stack. Need a better solution, for example | |
58 | by remapping the process stack directly at the right place */ | |
59 | unsigned long x86_stack_size = 512 * 1024; | |
60 | ||
61 | void gemu_log(const char *fmt, ...) | |
62 | { | |
63 | va_list ap; | |
64 | ||
65 | va_start(ap, fmt); | |
66 | vfprintf(stderr, fmt, ap); | |
67 | va_end(ap); | |
68 | } | |
69 | ||
70 | void cpu_outb(CPUState *env, int addr, int val) | |
71 | { | |
72 | fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val); | |
73 | } | |
74 | ||
75 | void cpu_outw(CPUState *env, int addr, int val) | |
76 | { | |
77 | fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val); | |
78 | } | |
79 | ||
80 | void cpu_outl(CPUState *env, int addr, int val) | |
81 | { | |
82 | fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val); | |
83 | } | |
84 | ||
85 | int cpu_inb(CPUState *env, int addr) | |
86 | { | |
87 | fprintf(stderr, "inb: port=0x%04x\n", addr); | |
88 | return 0; | |
89 | } | |
90 | ||
91 | int cpu_inw(CPUState *env, int addr) | |
92 | { | |
93 | fprintf(stderr, "inw: port=0x%04x\n", addr); | |
94 | return 0; | |
95 | } | |
96 | ||
97 | int cpu_inl(CPUState *env, int addr) | |
98 | { | |
99 | fprintf(stderr, "inl: port=0x%04x\n", addr); | |
100 | return 0; | |
101 | } | |
102 | ||
103 | int cpu_get_pic_interrupt(CPUState *env) | |
104 | { | |
105 | return -1; | |
106 | } | |
107 | ||
108 | /* timers for rdtsc */ | |
109 | ||
110 | #if 0 | |
111 | ||
112 | static uint64_t emu_time; | |
113 | ||
114 | int64_t cpu_get_real_ticks(void) | |
115 | { | |
116 | return emu_time++; | |
117 | } | |
118 | ||
119 | #endif | |
120 | ||
121 | #ifdef TARGET_I386 | |
122 | /***********************************************************/ | |
123 | /* CPUX86 core interface */ | |
124 | ||
125 | void cpu_smm_update(CPUState *env) | |
126 | { | |
127 | } | |
128 | ||
129 | uint64_t cpu_get_tsc(CPUX86State *env) | |
130 | { | |
131 | return cpu_get_real_ticks(); | |
132 | } | |
133 | ||
134 | static void write_dt(void *ptr, unsigned long addr, unsigned long limit, | |
135 | int flags) | |
136 | { | |
137 | unsigned int e1, e2; | |
138 | uint32_t *p; | |
139 | e1 = (addr << 16) | (limit & 0xffff); | |
140 | e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); | |
141 | e2 |= flags; | |
142 | p = ptr; | |
143 | p[0] = tswapl(e1); | |
144 | p[1] = tswapl(e2); | |
145 | } | |
146 | ||
147 | static void set_gate(void *ptr, unsigned int type, unsigned int dpl, | |
148 | unsigned long addr, unsigned int sel) | |
149 | { | |
150 | unsigned int e1, e2; | |
151 | uint32_t *p; | |
152 | e1 = (addr & 0xffff) | (sel << 16); | |
153 | e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); | |
154 | p = ptr; | |
155 | p[0] = tswapl(e1); | |
156 | p[1] = tswapl(e2); | |
157 | } | |
158 | ||
159 | uint64_t gdt_table[6]; | |
160 | uint64_t idt_table[256]; | |
161 | ||
162 | /* only dpl matters as we do only user space emulation */ | |
163 | static void set_idt(int n, unsigned int dpl) | |
164 | { | |
165 | set_gate(idt_table + n, 0, dpl, 0, 0); | |
166 | } | |
167 | ||
168 | void cpu_loop(CPUX86State *env) | |
169 | { | |
170 | int trapnr; | |
171 | target_ulong pc; | |
172 | target_siginfo_t info; | |
173 | ||
174 | for(;;) { | |
175 | trapnr = cpu_x86_exec(env); | |
176 | switch(trapnr) { | |
177 | case 0x80: | |
178 | /* linux syscall */ | |
179 | env->regs[R_EAX] = do_syscall(env, | |
180 | env->regs[R_EAX], | |
181 | env->regs[R_EBX], | |
182 | env->regs[R_ECX], | |
183 | env->regs[R_EDX], | |
184 | env->regs[R_ESI], | |
185 | env->regs[R_EDI], | |
186 | env->regs[R_EBP]); | |
187 | break; | |
188 | case EXCP0B_NOSEG: | |
189 | case EXCP0C_STACK: | |
190 | info.si_signo = SIGBUS; | |
191 | info.si_errno = 0; | |
192 | info.si_code = TARGET_SI_KERNEL; | |
193 | info._sifields._sigfault._addr = 0; | |
194 | queue_signal(info.si_signo, &info); | |
195 | break; | |
196 | case EXCP0D_GPF: | |
197 | #ifndef TARGET_X86_64 | |
198 | if (env->eflags & VM_MASK) { | |
199 | handle_vm86_fault(env); | |
200 | } else | |
201 | #endif | |
202 | { | |
203 | info.si_signo = SIGSEGV; | |
204 | info.si_errno = 0; | |
205 | info.si_code = TARGET_SI_KERNEL; | |
206 | info._sifields._sigfault._addr = 0; | |
207 | queue_signal(info.si_signo, &info); | |
208 | } | |
209 | break; | |
210 | case EXCP0E_PAGE: | |
211 | info.si_signo = SIGSEGV; | |
212 | info.si_errno = 0; | |
213 | if (!(env->error_code & 1)) | |
214 | info.si_code = TARGET_SEGV_MAPERR; | |
215 | else | |
216 | info.si_code = TARGET_SEGV_ACCERR; | |
217 | info._sifields._sigfault._addr = env->cr[2]; | |
218 | queue_signal(info.si_signo, &info); | |
219 | break; | |
220 | case EXCP00_DIVZ: | |
221 | #ifndef TARGET_X86_64 | |
222 | if (env->eflags & VM_MASK) { | |
223 | handle_vm86_trap(env, trapnr); | |
224 | } else | |
225 | #endif | |
226 | { | |
227 | /* division by zero */ | |
228 | info.si_signo = SIGFPE; | |
229 | info.si_errno = 0; | |
230 | info.si_code = TARGET_FPE_INTDIV; | |
231 | info._sifields._sigfault._addr = env->eip; | |
232 | queue_signal(info.si_signo, &info); | |
233 | } | |
234 | break; | |
235 | case EXCP01_SSTP: | |
236 | case EXCP03_INT3: | |
237 | #ifndef TARGET_X86_64 | |
238 | if (env->eflags & VM_MASK) { | |
239 | handle_vm86_trap(env, trapnr); | |
240 | } else | |
241 | #endif | |
242 | { | |
243 | info.si_signo = SIGTRAP; | |
244 | info.si_errno = 0; | |
245 | if (trapnr == EXCP01_SSTP) { | |
246 | info.si_code = TARGET_TRAP_BRKPT; | |
247 | info._sifields._sigfault._addr = env->eip; | |
248 | } else { | |
249 | info.si_code = TARGET_SI_KERNEL; | |
250 | info._sifields._sigfault._addr = 0; | |
251 | } | |
252 | queue_signal(info.si_signo, &info); | |
253 | } | |
254 | break; | |
255 | case EXCP04_INTO: | |
256 | case EXCP05_BOUND: | |
257 | #ifndef TARGET_X86_64 | |
258 | if (env->eflags & VM_MASK) { | |
259 | handle_vm86_trap(env, trapnr); | |
260 | } else | |
261 | #endif | |
262 | { | |
263 | info.si_signo = SIGSEGV; | |
264 | info.si_errno = 0; | |
265 | info.si_code = TARGET_SI_KERNEL; | |
266 | info._sifields._sigfault._addr = 0; | |
267 | queue_signal(info.si_signo, &info); | |
268 | } | |
269 | break; | |
270 | case EXCP06_ILLOP: | |
271 | info.si_signo = SIGILL; | |
272 | info.si_errno = 0; | |
273 | info.si_code = TARGET_ILL_ILLOPN; | |
274 | info._sifields._sigfault._addr = env->eip; | |
275 | queue_signal(info.si_signo, &info); | |
276 | break; | |
277 | case EXCP_INTERRUPT: | |
278 | /* just indicate that signals should be handled asap */ | |
279 | break; | |
280 | case EXCP_DEBUG: | |
281 | { | |
282 | int sig; | |
283 | ||
284 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
285 | if (sig) | |
286 | { | |
287 | info.si_signo = sig; | |
288 | info.si_errno = 0; | |
289 | info.si_code = TARGET_TRAP_BRKPT; | |
290 | queue_signal(info.si_signo, &info); | |
291 | } | |
292 | } | |
293 | break; | |
294 | default: | |
295 | pc = env->segs[R_CS].base + env->eip; | |
296 | fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", | |
297 | (long)pc, trapnr); | |
298 | abort(); | |
299 | } | |
300 | process_pending_signals(env); | |
301 | } | |
302 | } | |
303 | #endif | |
304 | ||
305 | #ifdef TARGET_ARM | |
306 | ||
307 | /* XXX: find a better solution */ | |
308 | extern void tb_invalidate_page_range(target_ulong start, target_ulong end); | |
309 | ||
310 | static void arm_cache_flush(target_ulong start, target_ulong last) | |
311 | { | |
312 | target_ulong addr, last1; | |
313 | ||
314 | if (last < start) | |
315 | return; | |
316 | addr = start; | |
317 | for(;;) { | |
318 | last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1; | |
319 | if (last1 > last) | |
320 | last1 = last; | |
321 | tb_invalidate_page_range(addr, last1 + 1); | |
322 | if (last1 == last) | |
323 | break; | |
324 | addr = last1 + 1; | |
325 | } | |
326 | } | |
327 | ||
328 | void cpu_loop(CPUARMState *env) | |
329 | { | |
330 | int trapnr; | |
331 | unsigned int n, insn; | |
332 | target_siginfo_t info; | |
333 | uint32_t addr; | |
334 | ||
335 | for(;;) { | |
336 | trapnr = cpu_arm_exec(env); | |
337 | switch(trapnr) { | |
338 | case EXCP_UDEF: | |
339 | { | |
340 | TaskState *ts = env->opaque; | |
341 | uint32_t opcode; | |
342 | ||
343 | /* we handle the FPU emulation here, as Linux */ | |
344 | /* we get the opcode */ | |
345 | opcode = tget32(env->regs[15]); | |
346 | ||
347 | if (EmulateAll(opcode, &ts->fpa, env) == 0) { | |
348 | info.si_signo = SIGILL; | |
349 | info.si_errno = 0; | |
350 | info.si_code = TARGET_ILL_ILLOPN; | |
351 | info._sifields._sigfault._addr = env->regs[15]; | |
352 | queue_signal(info.si_signo, &info); | |
353 | } else { | |
354 | /* increment PC */ | |
355 | env->regs[15] += 4; | |
356 | } | |
357 | } | |
358 | break; | |
359 | case EXCP_SWI: | |
360 | case EXCP_BKPT: | |
361 | { | |
362 | env->eabi = 1; | |
363 | /* system call */ | |
364 | if (trapnr == EXCP_BKPT) { | |
365 | if (env->thumb) { | |
366 | insn = tget16(env->regs[15]); | |
367 | n = insn & 0xff; | |
368 | env->regs[15] += 2; | |
369 | } else { | |
370 | insn = tget32(env->regs[15]); | |
371 | n = (insn & 0xf) | ((insn >> 4) & 0xff0); | |
372 | env->regs[15] += 4; | |
373 | } | |
374 | } else { | |
375 | if (env->thumb) { | |
376 | insn = tget16(env->regs[15] - 2); | |
377 | n = insn & 0xff; | |
378 | } else { | |
379 | insn = tget32(env->regs[15] - 4); | |
380 | n = insn & 0xffffff; | |
381 | } | |
382 | } | |
383 | ||
384 | if (n == ARM_NR_cacheflush) { | |
385 | arm_cache_flush(env->regs[0], env->regs[1]); | |
386 | } else if (n == ARM_NR_semihosting | |
387 | || n == ARM_NR_thumb_semihosting) { | |
388 | env->regs[0] = do_arm_semihosting (env); | |
389 | } else if (n == 0 || n >= ARM_SYSCALL_BASE | |
390 | || (env->thumb && n == ARM_THUMB_SYSCALL)) { | |
391 | /* linux syscall */ | |
392 | if (env->thumb || n == 0) { | |
393 | n = env->regs[7]; | |
394 | } else { | |
395 | n -= ARM_SYSCALL_BASE; | |
396 | env->eabi = 0; | |
397 | } | |
398 | env->regs[0] = do_syscall(env, | |
399 | n, | |
400 | env->regs[0], | |
401 | env->regs[1], | |
402 | env->regs[2], | |
403 | env->regs[3], | |
404 | env->regs[4], | |
405 | env->regs[5]); | |
406 | } else { | |
407 | goto error; | |
408 | } | |
409 | } | |
410 | break; | |
411 | case EXCP_INTERRUPT: | |
412 | /* just indicate that signals should be handled asap */ | |
413 | break; | |
414 | case EXCP_PREFETCH_ABORT: | |
415 | addr = env->cp15.c6_data; | |
416 | goto do_segv; | |
417 | case EXCP_DATA_ABORT: | |
418 | addr = env->cp15.c6_insn; | |
419 | goto do_segv; | |
420 | do_segv: | |
421 | { | |
422 | info.si_signo = SIGSEGV; | |
423 | info.si_errno = 0; | |
424 | /* XXX: check env->error_code */ | |
425 | info.si_code = TARGET_SEGV_MAPERR; | |
426 | info._sifields._sigfault._addr = addr; | |
427 | queue_signal(info.si_signo, &info); | |
428 | } | |
429 | break; | |
430 | case EXCP_DEBUG: | |
431 | { | |
432 | int sig; | |
433 | ||
434 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
435 | if (sig) | |
436 | { | |
437 | info.si_signo = sig; | |
438 | info.si_errno = 0; | |
439 | info.si_code = TARGET_TRAP_BRKPT; | |
440 | queue_signal(info.si_signo, &info); | |
441 | } | |
442 | } | |
443 | break; | |
444 | default: | |
445 | error: | |
446 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", | |
447 | trapnr); | |
448 | cpu_dump_state(env, stderr, fprintf, 0); | |
449 | abort(); | |
450 | } | |
451 | process_pending_signals(env); | |
452 | } | |
453 | } | |
454 | ||
455 | #endif | |
456 | ||
457 | #ifdef TARGET_SPARC | |
458 | ||
459 | //#define DEBUG_WIN | |
460 | ||
461 | /* WARNING: dealing with register windows _is_ complicated. More info | |
462 | can be found at http://www.sics.se/~psm/sparcstack.html */ | |
463 | static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) | |
464 | { | |
465 | index = (index + cwp * 16) & (16 * NWINDOWS - 1); | |
466 | /* wrap handling : if cwp is on the last window, then we use the | |
467 | registers 'after' the end */ | |
468 | if (index < 8 && env->cwp == (NWINDOWS - 1)) | |
469 | index += (16 * NWINDOWS); | |
470 | return index; | |
471 | } | |
472 | ||
473 | /* save the register window 'cwp1' */ | |
474 | static inline void save_window_offset(CPUSPARCState *env, int cwp1) | |
475 | { | |
476 | unsigned int i; | |
477 | target_ulong sp_ptr; | |
478 | ||
479 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; | |
480 | #if defined(DEBUG_WIN) | |
481 | printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n", | |
482 | (int)sp_ptr, cwp1); | |
483 | #endif | |
484 | for(i = 0; i < 16; i++) { | |
485 | tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]); | |
486 | sp_ptr += sizeof(target_ulong); | |
487 | } | |
488 | } | |
489 | ||
490 | static void save_window(CPUSPARCState *env) | |
491 | { | |
492 | #ifndef TARGET_SPARC64 | |
493 | unsigned int new_wim; | |
494 | new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) & | |
495 | ((1LL << NWINDOWS) - 1); | |
496 | save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); | |
497 | env->wim = new_wim; | |
498 | #else | |
499 | save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); | |
500 | env->cansave++; | |
501 | env->canrestore--; | |
502 | #endif | |
503 | } | |
504 | ||
505 | static void restore_window(CPUSPARCState *env) | |
506 | { | |
507 | unsigned int new_wim, i, cwp1; | |
508 | target_ulong sp_ptr; | |
509 | ||
510 | new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) & | |
511 | ((1LL << NWINDOWS) - 1); | |
512 | ||
513 | /* restore the invalid window */ | |
514 | cwp1 = (env->cwp + 1) & (NWINDOWS - 1); | |
515 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; | |
516 | #if defined(DEBUG_WIN) | |
517 | printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n", | |
518 | (int)sp_ptr, cwp1); | |
519 | #endif | |
520 | for(i = 0; i < 16; i++) { | |
521 | env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr); | |
522 | sp_ptr += sizeof(target_ulong); | |
523 | } | |
524 | env->wim = new_wim; | |
525 | #ifdef TARGET_SPARC64 | |
526 | env->canrestore++; | |
527 | if (env->cleanwin < NWINDOWS - 1) | |
528 | env->cleanwin++; | |
529 | env->cansave--; | |
530 | #endif | |
531 | } | |
532 | ||
533 | static void flush_windows(CPUSPARCState *env) | |
534 | { | |
535 | int offset, cwp1; | |
536 | ||
537 | offset = 1; | |
538 | for(;;) { | |
539 | /* if restore would invoke restore_window(), then we can stop */ | |
540 | cwp1 = (env->cwp + offset) & (NWINDOWS - 1); | |
541 | if (env->wim & (1 << cwp1)) | |
542 | break; | |
543 | save_window_offset(env, cwp1); | |
544 | offset++; | |
545 | } | |
546 | /* set wim so that restore will reload the registers */ | |
547 | cwp1 = (env->cwp + 1) & (NWINDOWS - 1); | |
548 | env->wim = 1 << cwp1; | |
549 | #if defined(DEBUG_WIN) | |
550 | printf("flush_windows: nb=%d\n", offset - 1); | |
551 | #endif | |
552 | } | |
553 | ||
554 | void cpu_loop (CPUSPARCState *env) | |
555 | { | |
556 | int trapnr, ret; | |
557 | target_siginfo_t info; | |
558 | ||
559 | while (1) { | |
560 | trapnr = cpu_sparc_exec (env); | |
561 | ||
562 | switch (trapnr) { | |
563 | #ifndef TARGET_SPARC64 | |
564 | case 0x88: | |
565 | case 0x90: | |
566 | #else | |
567 | case 0x16d: | |
568 | #endif | |
569 | ret = do_syscall (env, env->gregs[1], | |
570 | env->regwptr[0], env->regwptr[1], | |
571 | env->regwptr[2], env->regwptr[3], | |
572 | env->regwptr[4], env->regwptr[5]); | |
573 | if ((unsigned int)ret >= (unsigned int)(-515)) { | |
574 | #ifdef TARGET_SPARC64 | |
575 | env->xcc |= PSR_CARRY; | |
576 | #else | |
577 | env->psr |= PSR_CARRY; | |
578 | #endif | |
579 | ret = -ret; | |
580 | } else { | |
581 | #ifdef TARGET_SPARC64 | |
582 | env->xcc &= ~PSR_CARRY; | |
583 | #else | |
584 | env->psr &= ~PSR_CARRY; | |
585 | #endif | |
586 | } | |
587 | env->regwptr[0] = ret; | |
588 | /* next instruction */ | |
589 | env->pc = env->npc; | |
590 | env->npc = env->npc + 4; | |
591 | break; | |
592 | case 0x83: /* flush windows */ | |
593 | flush_windows(env); | |
594 | /* next instruction */ | |
595 | env->pc = env->npc; | |
596 | env->npc = env->npc + 4; | |
597 | break; | |
598 | #ifndef TARGET_SPARC64 | |
599 | case TT_WIN_OVF: /* window overflow */ | |
600 | save_window(env); | |
601 | break; | |
602 | case TT_WIN_UNF: /* window underflow */ | |
603 | restore_window(env); | |
604 | break; | |
605 | case TT_TFAULT: | |
606 | case TT_DFAULT: | |
607 | { | |
608 | info.si_signo = SIGSEGV; | |
609 | info.si_errno = 0; | |
610 | /* XXX: check env->error_code */ | |
611 | info.si_code = TARGET_SEGV_MAPERR; | |
612 | info._sifields._sigfault._addr = env->mmuregs[4]; | |
613 | queue_signal(info.si_signo, &info); | |
614 | } | |
615 | break; | |
616 | #else | |
617 | case TT_SPILL: /* window overflow */ | |
618 | save_window(env); | |
619 | break; | |
620 | case TT_FILL: /* window underflow */ | |
621 | restore_window(env); | |
622 | break; | |
623 | case TT_TFAULT: | |
624 | case TT_DFAULT: | |
625 | { | |
626 | info.si_signo = SIGSEGV; | |
627 | info.si_errno = 0; | |
628 | /* XXX: check env->error_code */ | |
629 | info.si_code = TARGET_SEGV_MAPERR; | |
630 | if (trapnr == TT_DFAULT) | |
631 | info._sifields._sigfault._addr = env->dmmuregs[4]; | |
632 | else | |
633 | info._sifields._sigfault._addr = env->tpc[env->tl]; | |
634 | queue_signal(info.si_signo, &info); | |
635 | } | |
636 | break; | |
637 | #endif | |
638 | case EXCP_INTERRUPT: | |
639 | /* just indicate that signals should be handled asap */ | |
640 | break; | |
641 | case EXCP_DEBUG: | |
642 | { | |
643 | int sig; | |
644 | ||
645 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
646 | if (sig) | |
647 | { | |
648 | info.si_signo = sig; | |
649 | info.si_errno = 0; | |
650 | info.si_code = TARGET_TRAP_BRKPT; | |
651 | queue_signal(info.si_signo, &info); | |
652 | } | |
653 | } | |
654 | break; | |
655 | default: | |
656 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
657 | cpu_dump_state(env, stderr, fprintf, 0); | |
658 | exit (1); | |
659 | } | |
660 | process_pending_signals (env); | |
661 | } | |
662 | } | |
663 | ||
664 | #endif | |
665 | ||
666 | #ifdef TARGET_PPC | |
667 | ||
668 | static inline uint64_t cpu_ppc_get_tb (CPUState *env) | |
669 | { | |
670 | /* TO FIX */ | |
671 | return 0; | |
672 | } | |
673 | ||
674 | uint32_t cpu_ppc_load_tbl (CPUState *env) | |
675 | { | |
676 | return cpu_ppc_get_tb(env) & 0xFFFFFFFF; | |
677 | } | |
678 | ||
679 | uint32_t cpu_ppc_load_tbu (CPUState *env) | |
680 | { | |
681 | return cpu_ppc_get_tb(env) >> 32; | |
682 | } | |
683 | ||
684 | static void cpu_ppc_store_tb (CPUState *env, uint64_t value) | |
685 | { | |
686 | /* TO FIX */ | |
687 | } | |
688 | ||
689 | void cpu_ppc_store_tbu (CPUState *env, uint32_t value) | |
690 | { | |
691 | cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env)); | |
692 | } | |
693 | ||
694 | void cpu_ppc_store_tbl (CPUState *env, uint32_t value) | |
695 | { | |
696 | cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value); | |
697 | } | |
698 | ||
699 | void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value) | |
700 | __attribute__ (( alias ("cpu_ppc_store_tbu") )); | |
701 | ||
702 | uint32_t cpu_ppc601_load_rtcu (CPUState *env) | |
703 | __attribute__ (( alias ("cpu_ppc_load_tbu") )); | |
704 | ||
705 | void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value) | |
706 | { | |
707 | cpu_ppc_store_tbl(env, value & 0x3FFFFF80); | |
708 | } | |
709 | ||
710 | uint32_t cpu_ppc601_load_rtcl (CPUState *env) | |
711 | { | |
712 | return cpu_ppc_load_tbl(env) & 0x3FFFFF80; | |
713 | } | |
714 | ||
715 | void cpu_loop(CPUPPCState *env) | |
716 | { | |
717 | target_siginfo_t info; | |
718 | int trapnr; | |
719 | uint32_t ret; | |
720 | ||
721 | for(;;) { | |
722 | trapnr = cpu_ppc_exec(env); | |
723 | if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH && | |
724 | trapnr != EXCP_TRACE) { | |
725 | if (loglevel > 0) { | |
726 | cpu_dump_state(env, logfile, fprintf, 0); | |
727 | } | |
728 | } | |
729 | switch(trapnr) { | |
730 | case EXCP_NONE: | |
731 | break; | |
732 | case EXCP_SYSCALL_USER: | |
733 | /* system call */ | |
734 | /* WARNING: | |
735 | * PPC ABI uses overflow flag in cr0 to signal an error | |
736 | * in syscalls. | |
737 | */ | |
738 | #if 0 | |
739 | printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0], | |
740 | env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); | |
741 | #endif | |
742 | env->crf[0] &= ~0x1; | |
743 | ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], | |
744 | env->gpr[5], env->gpr[6], env->gpr[7], | |
745 | env->gpr[8]); | |
746 | if (ret > (uint32_t)(-515)) { | |
747 | env->crf[0] |= 0x1; | |
748 | ret = -ret; | |
749 | } | |
750 | env->gpr[3] = ret; | |
751 | #if 0 | |
752 | printf("syscall returned 0x%08x (%d)\n", ret, ret); | |
753 | #endif | |
754 | break; | |
755 | case EXCP_RESET: | |
756 | /* Should not happen ! */ | |
757 | fprintf(stderr, "RESET asked... Stop emulation\n"); | |
758 | if (loglevel) | |
759 | fprintf(logfile, "RESET asked... Stop emulation\n"); | |
760 | abort(); | |
761 | case EXCP_MACHINE_CHECK: | |
762 | fprintf(stderr, "Machine check exeption... Stop emulation\n"); | |
763 | if (loglevel) | |
764 | fprintf(logfile, "RESET asked... Stop emulation\n"); | |
765 | info.si_signo = TARGET_SIGBUS; | |
766 | info.si_errno = 0; | |
767 | info.si_code = TARGET_BUS_OBJERR; | |
768 | info._sifields._sigfault._addr = env->nip - 4; | |
769 | queue_signal(info.si_signo, &info); | |
770 | case EXCP_DSI: | |
771 | fprintf(stderr, "Invalid data memory access: 0x" ADDRX "\n", | |
772 | env->spr[SPR_DAR]); | |
773 | if (loglevel) { | |
774 | fprintf(logfile, "Invalid data memory access: 0x" ADDRX "\n", | |
775 | env->spr[SPR_DAR]); | |
776 | } | |
777 | switch (env->error_code & 0xFF000000) { | |
778 | case 0x40000000: | |
779 | info.si_signo = TARGET_SIGSEGV; | |
780 | info.si_errno = 0; | |
781 | info.si_code = TARGET_SEGV_MAPERR; | |
782 | break; | |
783 | case 0x04000000: | |
784 | info.si_signo = TARGET_SIGILL; | |
785 | info.si_errno = 0; | |
786 | info.si_code = TARGET_ILL_ILLADR; | |
787 | break; | |
788 | case 0x08000000: | |
789 | info.si_signo = TARGET_SIGSEGV; | |
790 | info.si_errno = 0; | |
791 | info.si_code = TARGET_SEGV_ACCERR; | |
792 | break; | |
793 | default: | |
794 | /* Let's send a regular segfault... */ | |
795 | fprintf(stderr, "Invalid segfault errno (%02x)\n", | |
796 | env->error_code); | |
797 | if (loglevel) { | |
798 | fprintf(logfile, "Invalid segfault errno (%02x)\n", | |
799 | env->error_code); | |
800 | } | |
801 | info.si_signo = TARGET_SIGSEGV; | |
802 | info.si_errno = 0; | |
803 | info.si_code = TARGET_SEGV_MAPERR; | |
804 | break; | |
805 | } | |
806 | info._sifields._sigfault._addr = env->nip; | |
807 | queue_signal(info.si_signo, &info); | |
808 | break; | |
809 | case EXCP_ISI: | |
810 | fprintf(stderr, "Invalid instruction fetch\n"); | |
811 | if (loglevel) | |
812 | fprintf(logfile, "Invalid instruction fetch\n"); | |
813 | switch (env->error_code & 0xFF000000) { | |
814 | case 0x40000000: | |
815 | info.si_signo = TARGET_SIGSEGV; | |
816 | info.si_errno = 0; | |
817 | info.si_code = TARGET_SEGV_MAPERR; | |
818 | break; | |
819 | case 0x10000000: | |
820 | case 0x08000000: | |
821 | info.si_signo = TARGET_SIGSEGV; | |
822 | info.si_errno = 0; | |
823 | info.si_code = TARGET_SEGV_ACCERR; | |
824 | break; | |
825 | default: | |
826 | /* Let's send a regular segfault... */ | |
827 | fprintf(stderr, "Invalid segfault errno (%02x)\n", | |
828 | env->error_code); | |
829 | if (loglevel) { | |
830 | fprintf(logfile, "Invalid segfault errno (%02x)\n", | |
831 | env->error_code); | |
832 | } | |
833 | info.si_signo = TARGET_SIGSEGV; | |
834 | info.si_errno = 0; | |
835 | info.si_code = TARGET_SEGV_MAPERR; | |
836 | break; | |
837 | } | |
838 | info._sifields._sigfault._addr = env->nip - 4; | |
839 | queue_signal(info.si_signo, &info); | |
840 | break; | |
841 | case EXCP_EXTERNAL: | |
842 | /* Should not happen ! */ | |
843 | fprintf(stderr, "External interruption... Stop emulation\n"); | |
844 | if (loglevel) | |
845 | fprintf(logfile, "External interruption... Stop emulation\n"); | |
846 | abort(); | |
847 | case EXCP_ALIGN: | |
848 | fprintf(stderr, "Invalid unaligned memory access\n"); | |
849 | if (loglevel) | |
850 | fprintf(logfile, "Invalid unaligned memory access\n"); | |
851 | info.si_signo = TARGET_SIGBUS; | |
852 | info.si_errno = 0; | |
853 | info.si_code = TARGET_BUS_ADRALN; | |
854 | info._sifields._sigfault._addr = env->nip - 4; | |
855 | queue_signal(info.si_signo, &info); | |
856 | break; | |
857 | case EXCP_PROGRAM: | |
858 | switch (env->error_code & ~0xF) { | |
859 | case EXCP_FP: | |
860 | fprintf(stderr, "Program exception\n"); | |
861 | if (loglevel) | |
862 | fprintf(logfile, "Program exception\n"); | |
863 | /* Set FX */ | |
864 | env->fpscr[7] |= 0x8; | |
865 | /* Finally, update FEX */ | |
866 | if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) & | |
867 | ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3))) | |
868 | env->fpscr[7] |= 0x4; | |
869 | info.si_signo = TARGET_SIGFPE; | |
870 | info.si_errno = 0; | |
871 | switch (env->error_code & 0xF) { | |
872 | case EXCP_FP_OX: | |
873 | info.si_code = TARGET_FPE_FLTOVF; | |
874 | break; | |
875 | case EXCP_FP_UX: | |
876 | info.si_code = TARGET_FPE_FLTUND; | |
877 | break; | |
878 | case EXCP_FP_ZX: | |
879 | case EXCP_FP_VXZDZ: | |
880 | info.si_code = TARGET_FPE_FLTDIV; | |
881 | break; | |
882 | case EXCP_FP_XX: | |
883 | info.si_code = TARGET_FPE_FLTRES; | |
884 | break; | |
885 | case EXCP_FP_VXSOFT: | |
886 | info.si_code = TARGET_FPE_FLTINV; | |
887 | break; | |
888 | case EXCP_FP_VXNAN: | |
889 | case EXCP_FP_VXISI: | |
890 | case EXCP_FP_VXIDI: | |
891 | case EXCP_FP_VXIMZ: | |
892 | case EXCP_FP_VXVC: | |
893 | case EXCP_FP_VXSQRT: | |
894 | case EXCP_FP_VXCVI: | |
895 | info.si_code = TARGET_FPE_FLTSUB; | |
896 | break; | |
897 | default: | |
898 | fprintf(stderr, "Unknown floating point exception " | |
899 | "(%02x)\n", env->error_code); | |
900 | if (loglevel) { | |
901 | fprintf(logfile, "Unknown floating point exception " | |
902 | "(%02x)\n", env->error_code & 0xF); | |
903 | } | |
904 | } | |
905 | break; | |
906 | case EXCP_INVAL: | |
907 | fprintf(stderr, "Invalid instruction\n"); | |
908 | if (loglevel) | |
909 | fprintf(logfile, "Invalid instruction\n"); | |
910 | info.si_signo = TARGET_SIGILL; | |
911 | info.si_errno = 0; | |
912 | switch (env->error_code & 0xF) { | |
913 | case EXCP_INVAL_INVAL: | |
914 | info.si_code = TARGET_ILL_ILLOPC; | |
915 | break; | |
916 | case EXCP_INVAL_LSWX: | |
917 | info.si_code = TARGET_ILL_ILLOPN; | |
918 | break; | |
919 | case EXCP_INVAL_SPR: | |
920 | info.si_code = TARGET_ILL_PRVREG; | |
921 | break; | |
922 | case EXCP_INVAL_FP: | |
923 | info.si_code = TARGET_ILL_COPROC; | |
924 | break; | |
925 | default: | |
926 | fprintf(stderr, "Unknown invalid operation (%02x)\n", | |
927 | env->error_code & 0xF); | |
928 | if (loglevel) { | |
929 | fprintf(logfile, "Unknown invalid operation (%02x)\n", | |
930 | env->error_code & 0xF); | |
931 | } | |
932 | info.si_code = TARGET_ILL_ILLADR; | |
933 | break; | |
934 | } | |
935 | break; | |
936 | case EXCP_PRIV: | |
937 | fprintf(stderr, "Privilege violation\n"); | |
938 | if (loglevel) | |
939 | fprintf(logfile, "Privilege violation\n"); | |
940 | info.si_signo = TARGET_SIGILL; | |
941 | info.si_errno = 0; | |
942 | switch (env->error_code & 0xF) { | |
943 | case EXCP_PRIV_OPC: | |
944 | info.si_code = TARGET_ILL_PRVOPC; | |
945 | break; | |
946 | case EXCP_PRIV_REG: | |
947 | info.si_code = TARGET_ILL_PRVREG; | |
948 | break; | |
949 | default: | |
950 | fprintf(stderr, "Unknown privilege violation (%02x)\n", | |
951 | env->error_code & 0xF); | |
952 | info.si_code = TARGET_ILL_PRVOPC; | |
953 | break; | |
954 | } | |
955 | break; | |
956 | case EXCP_TRAP: | |
957 | fprintf(stderr, "Tried to call a TRAP\n"); | |
958 | if (loglevel) | |
959 | fprintf(logfile, "Tried to call a TRAP\n"); | |
960 | abort(); | |
961 | default: | |
962 | /* Should not happen ! */ | |
963 | fprintf(stderr, "Unknown program exception (%02x)\n", | |
964 | env->error_code); | |
965 | if (loglevel) { | |
966 | fprintf(logfile, "Unknwon program exception (%02x)\n", | |
967 | env->error_code); | |
968 | } | |
969 | abort(); | |
970 | } | |
971 | info._sifields._sigfault._addr = env->nip - 4; | |
972 | queue_signal(info.si_signo, &info); | |
973 | break; | |
974 | case EXCP_NO_FP: | |
975 | fprintf(stderr, "No floating point allowed\n"); | |
976 | if (loglevel) | |
977 | fprintf(logfile, "No floating point allowed\n"); | |
978 | info.si_signo = TARGET_SIGILL; | |
979 | info.si_errno = 0; | |
980 | info.si_code = TARGET_ILL_COPROC; | |
981 | info._sifields._sigfault._addr = env->nip - 4; | |
982 | queue_signal(info.si_signo, &info); | |
983 | break; | |
984 | case EXCP_DECR: | |
985 | /* Should not happen ! */ | |
986 | fprintf(stderr, "Decrementer exception\n"); | |
987 | if (loglevel) | |
988 | fprintf(logfile, "Decrementer exception\n"); | |
989 | abort(); | |
990 | case EXCP_TRACE: | |
991 | /* Do nothing: we use this to trace execution */ | |
992 | break; | |
993 | case EXCP_FP_ASSIST: | |
994 | /* Should not happen ! */ | |
995 | fprintf(stderr, "Floating point assist exception\n"); | |
996 | if (loglevel) | |
997 | fprintf(logfile, "Floating point assist exception\n"); | |
998 | abort(); | |
999 | case EXCP_MTMSR: | |
1000 | /* We reloaded the msr, just go on */ | |
1001 | if (msr_pr == 0) { | |
1002 | fprintf(stderr, "Tried to go into supervisor mode !\n"); | |
1003 | if (loglevel) | |
1004 | fprintf(logfile, "Tried to go into supervisor mode !\n"); | |
1005 | abort(); | |
1006 | } | |
1007 | break; | |
1008 | case EXCP_BRANCH: | |
1009 | /* We stopped because of a jump... */ | |
1010 | break; | |
1011 | case EXCP_INTERRUPT: | |
1012 | /* Don't know why this should ever happen... */ | |
1013 | break; | |
1014 | case EXCP_DEBUG: | |
1015 | { | |
1016 | int sig; | |
1017 | ||
1018 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1019 | if (sig) | |
1020 | { | |
1021 | info.si_signo = sig; | |
1022 | info.si_errno = 0; | |
1023 | info.si_code = TARGET_TRAP_BRKPT; | |
1024 | queue_signal(info.si_signo, &info); | |
1025 | } | |
1026 | } | |
1027 | break; | |
1028 | default: | |
1029 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", | |
1030 | trapnr); | |
1031 | if (loglevel) { | |
1032 | fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - " | |
1033 | "0x%02x - aborting\n", trapnr, env->error_code); | |
1034 | } | |
1035 | abort(); | |
1036 | } | |
1037 | process_pending_signals(env); | |
1038 | } | |
1039 | } | |
1040 | #endif | |
1041 | ||
1042 | #ifdef TARGET_MIPS | |
1043 | ||
1044 | #define MIPS_SYS(name, args) args, | |
1045 | ||
1046 | static const uint8_t mips_syscall_args[] = { | |
1047 | MIPS_SYS(sys_syscall , 0) /* 4000 */ | |
1048 | MIPS_SYS(sys_exit , 1) | |
1049 | MIPS_SYS(sys_fork , 0) | |
1050 | MIPS_SYS(sys_read , 3) | |
1051 | MIPS_SYS(sys_write , 3) | |
1052 | MIPS_SYS(sys_open , 3) /* 4005 */ | |
1053 | MIPS_SYS(sys_close , 1) | |
1054 | MIPS_SYS(sys_waitpid , 3) | |
1055 | MIPS_SYS(sys_creat , 2) | |
1056 | MIPS_SYS(sys_link , 2) | |
1057 | MIPS_SYS(sys_unlink , 1) /* 4010 */ | |
1058 | MIPS_SYS(sys_execve , 0) | |
1059 | MIPS_SYS(sys_chdir , 1) | |
1060 | MIPS_SYS(sys_time , 1) | |
1061 | MIPS_SYS(sys_mknod , 3) | |
1062 | MIPS_SYS(sys_chmod , 2) /* 4015 */ | |
1063 | MIPS_SYS(sys_lchown , 3) | |
1064 | MIPS_SYS(sys_ni_syscall , 0) | |
1065 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ | |
1066 | MIPS_SYS(sys_lseek , 3) | |
1067 | MIPS_SYS(sys_getpid , 0) /* 4020 */ | |
1068 | MIPS_SYS(sys_mount , 5) | |
1069 | MIPS_SYS(sys_oldumount , 1) | |
1070 | MIPS_SYS(sys_setuid , 1) | |
1071 | MIPS_SYS(sys_getuid , 0) | |
1072 | MIPS_SYS(sys_stime , 1) /* 4025 */ | |
1073 | MIPS_SYS(sys_ptrace , 4) | |
1074 | MIPS_SYS(sys_alarm , 1) | |
1075 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ | |
1076 | MIPS_SYS(sys_pause , 0) | |
1077 | MIPS_SYS(sys_utime , 2) /* 4030 */ | |
1078 | MIPS_SYS(sys_ni_syscall , 0) | |
1079 | MIPS_SYS(sys_ni_syscall , 0) | |
1080 | MIPS_SYS(sys_access , 2) | |
1081 | MIPS_SYS(sys_nice , 1) | |
1082 | MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ | |
1083 | MIPS_SYS(sys_sync , 0) | |
1084 | MIPS_SYS(sys_kill , 2) | |
1085 | MIPS_SYS(sys_rename , 2) | |
1086 | MIPS_SYS(sys_mkdir , 2) | |
1087 | MIPS_SYS(sys_rmdir , 1) /* 4040 */ | |
1088 | MIPS_SYS(sys_dup , 1) | |
1089 | MIPS_SYS(sys_pipe , 0) | |
1090 | MIPS_SYS(sys_times , 1) | |
1091 | MIPS_SYS(sys_ni_syscall , 0) | |
1092 | MIPS_SYS(sys_brk , 1) /* 4045 */ | |
1093 | MIPS_SYS(sys_setgid , 1) | |
1094 | MIPS_SYS(sys_getgid , 0) | |
1095 | MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ | |
1096 | MIPS_SYS(sys_geteuid , 0) | |
1097 | MIPS_SYS(sys_getegid , 0) /* 4050 */ | |
1098 | MIPS_SYS(sys_acct , 0) | |
1099 | MIPS_SYS(sys_umount , 2) | |
1100 | MIPS_SYS(sys_ni_syscall , 0) | |
1101 | MIPS_SYS(sys_ioctl , 3) | |
1102 | MIPS_SYS(sys_fcntl , 3) /* 4055 */ | |
1103 | MIPS_SYS(sys_ni_syscall , 2) | |
1104 | MIPS_SYS(sys_setpgid , 2) | |
1105 | MIPS_SYS(sys_ni_syscall , 0) | |
1106 | MIPS_SYS(sys_olduname , 1) | |
1107 | MIPS_SYS(sys_umask , 1) /* 4060 */ | |
1108 | MIPS_SYS(sys_chroot , 1) | |
1109 | MIPS_SYS(sys_ustat , 2) | |
1110 | MIPS_SYS(sys_dup2 , 2) | |
1111 | MIPS_SYS(sys_getppid , 0) | |
1112 | MIPS_SYS(sys_getpgrp , 0) /* 4065 */ | |
1113 | MIPS_SYS(sys_setsid , 0) | |
1114 | MIPS_SYS(sys_sigaction , 3) | |
1115 | MIPS_SYS(sys_sgetmask , 0) | |
1116 | MIPS_SYS(sys_ssetmask , 1) | |
1117 | MIPS_SYS(sys_setreuid , 2) /* 4070 */ | |
1118 | MIPS_SYS(sys_setregid , 2) | |
1119 | MIPS_SYS(sys_sigsuspend , 0) | |
1120 | MIPS_SYS(sys_sigpending , 1) | |
1121 | MIPS_SYS(sys_sethostname , 2) | |
1122 | MIPS_SYS(sys_setrlimit , 2) /* 4075 */ | |
1123 | MIPS_SYS(sys_getrlimit , 2) | |
1124 | MIPS_SYS(sys_getrusage , 2) | |
1125 | MIPS_SYS(sys_gettimeofday, 2) | |
1126 | MIPS_SYS(sys_settimeofday, 2) | |
1127 | MIPS_SYS(sys_getgroups , 2) /* 4080 */ | |
1128 | MIPS_SYS(sys_setgroups , 2) | |
1129 | MIPS_SYS(sys_ni_syscall , 0) /* old_select */ | |
1130 | MIPS_SYS(sys_symlink , 2) | |
1131 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ | |
1132 | MIPS_SYS(sys_readlink , 3) /* 4085 */ | |
1133 | MIPS_SYS(sys_uselib , 1) | |
1134 | MIPS_SYS(sys_swapon , 2) | |
1135 | MIPS_SYS(sys_reboot , 3) | |
1136 | MIPS_SYS(old_readdir , 3) | |
1137 | MIPS_SYS(old_mmap , 6) /* 4090 */ | |
1138 | MIPS_SYS(sys_munmap , 2) | |
1139 | MIPS_SYS(sys_truncate , 2) | |
1140 | MIPS_SYS(sys_ftruncate , 2) | |
1141 | MIPS_SYS(sys_fchmod , 2) | |
1142 | MIPS_SYS(sys_fchown , 3) /* 4095 */ | |
1143 | MIPS_SYS(sys_getpriority , 2) | |
1144 | MIPS_SYS(sys_setpriority , 3) | |
1145 | MIPS_SYS(sys_ni_syscall , 0) | |
1146 | MIPS_SYS(sys_statfs , 2) | |
1147 | MIPS_SYS(sys_fstatfs , 2) /* 4100 */ | |
1148 | MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ | |
1149 | MIPS_SYS(sys_socketcall , 2) | |
1150 | MIPS_SYS(sys_syslog , 3) | |
1151 | MIPS_SYS(sys_setitimer , 3) | |
1152 | MIPS_SYS(sys_getitimer , 2) /* 4105 */ | |
1153 | MIPS_SYS(sys_newstat , 2) | |
1154 | MIPS_SYS(sys_newlstat , 2) | |
1155 | MIPS_SYS(sys_newfstat , 2) | |
1156 | MIPS_SYS(sys_uname , 1) | |
1157 | MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ | |
1158 | MIPS_SYS(sys_vhangup , 0) | |
1159 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ | |
1160 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ | |
1161 | MIPS_SYS(sys_wait4 , 4) | |
1162 | MIPS_SYS(sys_swapoff , 1) /* 4115 */ | |
1163 | MIPS_SYS(sys_sysinfo , 1) | |
1164 | MIPS_SYS(sys_ipc , 6) | |
1165 | MIPS_SYS(sys_fsync , 1) | |
1166 | MIPS_SYS(sys_sigreturn , 0) | |
1167 | MIPS_SYS(sys_clone , 0) /* 4120 */ | |
1168 | MIPS_SYS(sys_setdomainname, 2) | |
1169 | MIPS_SYS(sys_newuname , 1) | |
1170 | MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ | |
1171 | MIPS_SYS(sys_adjtimex , 1) | |
1172 | MIPS_SYS(sys_mprotect , 3) /* 4125 */ | |
1173 | MIPS_SYS(sys_sigprocmask , 3) | |
1174 | MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ | |
1175 | MIPS_SYS(sys_init_module , 5) | |
1176 | MIPS_SYS(sys_delete_module, 1) | |
1177 | MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ | |
1178 | MIPS_SYS(sys_quotactl , 0) | |
1179 | MIPS_SYS(sys_getpgid , 1) | |
1180 | MIPS_SYS(sys_fchdir , 1) | |
1181 | MIPS_SYS(sys_bdflush , 2) | |
1182 | MIPS_SYS(sys_sysfs , 3) /* 4135 */ | |
1183 | MIPS_SYS(sys_personality , 1) | |
1184 | MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ | |
1185 | MIPS_SYS(sys_setfsuid , 1) | |
1186 | MIPS_SYS(sys_setfsgid , 1) | |
1187 | MIPS_SYS(sys_llseek , 5) /* 4140 */ | |
1188 | MIPS_SYS(sys_getdents , 3) | |
1189 | MIPS_SYS(sys_select , 5) | |
1190 | MIPS_SYS(sys_flock , 2) | |
1191 | MIPS_SYS(sys_msync , 3) | |
1192 | MIPS_SYS(sys_readv , 3) /* 4145 */ | |
1193 | MIPS_SYS(sys_writev , 3) | |
1194 | MIPS_SYS(sys_cacheflush , 3) | |
1195 | MIPS_SYS(sys_cachectl , 3) | |
1196 | MIPS_SYS(sys_sysmips , 4) | |
1197 | MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ | |
1198 | MIPS_SYS(sys_getsid , 1) | |
1199 | MIPS_SYS(sys_fdatasync , 0) | |
1200 | MIPS_SYS(sys_sysctl , 1) | |
1201 | MIPS_SYS(sys_mlock , 2) | |
1202 | MIPS_SYS(sys_munlock , 2) /* 4155 */ | |
1203 | MIPS_SYS(sys_mlockall , 1) | |
1204 | MIPS_SYS(sys_munlockall , 0) | |
1205 | MIPS_SYS(sys_sched_setparam, 2) | |
1206 | MIPS_SYS(sys_sched_getparam, 2) | |
1207 | MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ | |
1208 | MIPS_SYS(sys_sched_getscheduler, 1) | |
1209 | MIPS_SYS(sys_sched_yield , 0) | |
1210 | MIPS_SYS(sys_sched_get_priority_max, 1) | |
1211 | MIPS_SYS(sys_sched_get_priority_min, 1) | |
1212 | MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ | |
1213 | MIPS_SYS(sys_nanosleep, 2) | |
1214 | MIPS_SYS(sys_mremap , 4) | |
1215 | MIPS_SYS(sys_accept , 3) | |
1216 | MIPS_SYS(sys_bind , 3) | |
1217 | MIPS_SYS(sys_connect , 3) /* 4170 */ | |
1218 | MIPS_SYS(sys_getpeername , 3) | |
1219 | MIPS_SYS(sys_getsockname , 3) | |
1220 | MIPS_SYS(sys_getsockopt , 5) | |
1221 | MIPS_SYS(sys_listen , 2) | |
1222 | MIPS_SYS(sys_recv , 4) /* 4175 */ | |
1223 | MIPS_SYS(sys_recvfrom , 6) | |
1224 | MIPS_SYS(sys_recvmsg , 3) | |
1225 | MIPS_SYS(sys_send , 4) | |
1226 | MIPS_SYS(sys_sendmsg , 3) | |
1227 | MIPS_SYS(sys_sendto , 6) /* 4180 */ | |
1228 | MIPS_SYS(sys_setsockopt , 5) | |
1229 | MIPS_SYS(sys_shutdown , 2) | |
1230 | MIPS_SYS(sys_socket , 3) | |
1231 | MIPS_SYS(sys_socketpair , 4) | |
1232 | MIPS_SYS(sys_setresuid , 3) /* 4185 */ | |
1233 | MIPS_SYS(sys_getresuid , 3) | |
1234 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ | |
1235 | MIPS_SYS(sys_poll , 3) | |
1236 | MIPS_SYS(sys_nfsservctl , 3) | |
1237 | MIPS_SYS(sys_setresgid , 3) /* 4190 */ | |
1238 | MIPS_SYS(sys_getresgid , 3) | |
1239 | MIPS_SYS(sys_prctl , 5) | |
1240 | MIPS_SYS(sys_rt_sigreturn, 0) | |
1241 | MIPS_SYS(sys_rt_sigaction, 4) | |
1242 | MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ | |
1243 | MIPS_SYS(sys_rt_sigpending, 2) | |
1244 | MIPS_SYS(sys_rt_sigtimedwait, 4) | |
1245 | MIPS_SYS(sys_rt_sigqueueinfo, 3) | |
1246 | MIPS_SYS(sys_rt_sigsuspend, 0) | |
1247 | MIPS_SYS(sys_pread64 , 6) /* 4200 */ | |
1248 | MIPS_SYS(sys_pwrite64 , 6) | |
1249 | MIPS_SYS(sys_chown , 3) | |
1250 | MIPS_SYS(sys_getcwd , 2) | |
1251 | MIPS_SYS(sys_capget , 2) | |
1252 | MIPS_SYS(sys_capset , 2) /* 4205 */ | |
1253 | MIPS_SYS(sys_sigaltstack , 0) | |
1254 | MIPS_SYS(sys_sendfile , 4) | |
1255 | MIPS_SYS(sys_ni_syscall , 0) | |
1256 | MIPS_SYS(sys_ni_syscall , 0) | |
1257 | MIPS_SYS(sys_mmap2 , 6) /* 4210 */ | |
1258 | MIPS_SYS(sys_truncate64 , 4) | |
1259 | MIPS_SYS(sys_ftruncate64 , 4) | |
1260 | MIPS_SYS(sys_stat64 , 2) | |
1261 | MIPS_SYS(sys_lstat64 , 2) | |
1262 | MIPS_SYS(sys_fstat64 , 2) /* 4215 */ | |
1263 | MIPS_SYS(sys_pivot_root , 2) | |
1264 | MIPS_SYS(sys_mincore , 3) | |
1265 | MIPS_SYS(sys_madvise , 3) | |
1266 | MIPS_SYS(sys_getdents64 , 3) | |
1267 | MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ | |
1268 | MIPS_SYS(sys_ni_syscall , 0) | |
1269 | MIPS_SYS(sys_gettid , 0) | |
1270 | MIPS_SYS(sys_readahead , 5) | |
1271 | MIPS_SYS(sys_setxattr , 5) | |
1272 | MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ | |
1273 | MIPS_SYS(sys_fsetxattr , 5) | |
1274 | MIPS_SYS(sys_getxattr , 4) | |
1275 | MIPS_SYS(sys_lgetxattr , 4) | |
1276 | MIPS_SYS(sys_fgetxattr , 4) | |
1277 | MIPS_SYS(sys_listxattr , 3) /* 4230 */ | |
1278 | MIPS_SYS(sys_llistxattr , 3) | |
1279 | MIPS_SYS(sys_flistxattr , 3) | |
1280 | MIPS_SYS(sys_removexattr , 2) | |
1281 | MIPS_SYS(sys_lremovexattr, 2) | |
1282 | MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ | |
1283 | MIPS_SYS(sys_tkill , 2) | |
1284 | MIPS_SYS(sys_sendfile64 , 5) | |
1285 | MIPS_SYS(sys_futex , 2) | |
1286 | MIPS_SYS(sys_sched_setaffinity, 3) | |
1287 | MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ | |
1288 | MIPS_SYS(sys_io_setup , 2) | |
1289 | MIPS_SYS(sys_io_destroy , 1) | |
1290 | MIPS_SYS(sys_io_getevents, 5) | |
1291 | MIPS_SYS(sys_io_submit , 3) | |
1292 | MIPS_SYS(sys_io_cancel , 3) /* 4245 */ | |
1293 | MIPS_SYS(sys_exit_group , 1) | |
1294 | MIPS_SYS(sys_lookup_dcookie, 3) | |
1295 | MIPS_SYS(sys_epoll_create, 1) | |
1296 | MIPS_SYS(sys_epoll_ctl , 4) | |
1297 | MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ | |
1298 | MIPS_SYS(sys_remap_file_pages, 5) | |
1299 | MIPS_SYS(sys_set_tid_address, 1) | |
1300 | MIPS_SYS(sys_restart_syscall, 0) | |
1301 | MIPS_SYS(sys_fadvise64_64, 7) | |
1302 | MIPS_SYS(sys_statfs64 , 3) /* 4255 */ | |
1303 | MIPS_SYS(sys_fstatfs64 , 2) | |
1304 | MIPS_SYS(sys_timer_create, 3) | |
1305 | MIPS_SYS(sys_timer_settime, 4) | |
1306 | MIPS_SYS(sys_timer_gettime, 2) | |
1307 | MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ | |
1308 | MIPS_SYS(sys_timer_delete, 1) | |
1309 | MIPS_SYS(sys_clock_settime, 2) | |
1310 | MIPS_SYS(sys_clock_gettime, 2) | |
1311 | MIPS_SYS(sys_clock_getres, 2) | |
1312 | MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ | |
1313 | MIPS_SYS(sys_tgkill , 3) | |
1314 | MIPS_SYS(sys_utimes , 2) | |
1315 | MIPS_SYS(sys_mbind , 4) | |
1316 | MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ | |
1317 | MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ | |
1318 | MIPS_SYS(sys_mq_open , 4) | |
1319 | MIPS_SYS(sys_mq_unlink , 1) | |
1320 | MIPS_SYS(sys_mq_timedsend, 5) | |
1321 | MIPS_SYS(sys_mq_timedreceive, 5) | |
1322 | MIPS_SYS(sys_mq_notify , 2) /* 4275 */ | |
1323 | MIPS_SYS(sys_mq_getsetattr, 3) | |
1324 | MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ | |
1325 | MIPS_SYS(sys_waitid , 4) | |
1326 | MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ | |
1327 | MIPS_SYS(sys_add_key , 5) | |
1328 | MIPS_SYS(sys_request_key, 4) | |
1329 | MIPS_SYS(sys_keyctl , 5) | |
1330 | MIPS_SYS(sys_set_thread_area, 1) | |
1331 | MIPS_SYS(sys_inotify_init, 0) | |
1332 | MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */ | |
1333 | MIPS_SYS(sys_inotify_rm_watch, 2) | |
1334 | MIPS_SYS(sys_migrate_pages, 4) | |
1335 | MIPS_SYS(sys_openat, 4) | |
1336 | MIPS_SYS(sys_mkdirat, 3) | |
1337 | MIPS_SYS(sys_mknodat, 4) /* 4290 */ | |
1338 | MIPS_SYS(sys_fchownat, 5) | |
1339 | MIPS_SYS(sys_futimesat, 3) | |
1340 | MIPS_SYS(sys_fstatat64, 4) | |
1341 | MIPS_SYS(sys_unlinkat, 3) | |
1342 | MIPS_SYS(sys_renameat, 4) /* 4295 */ | |
1343 | MIPS_SYS(sys_linkat, 5) | |
1344 | MIPS_SYS(sys_symlinkat, 3) | |
1345 | MIPS_SYS(sys_readlinkat, 4) | |
1346 | MIPS_SYS(sys_fchmodat, 3) | |
1347 | MIPS_SYS(sys_faccessat, 3) /* 4300 */ | |
1348 | MIPS_SYS(sys_pselect6, 6) | |
1349 | MIPS_SYS(sys_ppoll, 5) | |
1350 | MIPS_SYS(sys_unshare, 1) | |
1351 | MIPS_SYS(sys_splice, 4) | |
1352 | MIPS_SYS(sys_sync_file_range, 7) /* 4305 */ | |
1353 | MIPS_SYS(sys_tee, 4) | |
1354 | MIPS_SYS(sys_vmsplice, 4) | |
1355 | MIPS_SYS(sys_move_pages, 6) | |
1356 | MIPS_SYS(sys_set_robust_list, 2) | |
1357 | MIPS_SYS(sys_get_robust_list, 3) /* 4310 */ | |
1358 | MIPS_SYS(sys_kexec_load, 4) | |
1359 | MIPS_SYS(sys_getcpu, 3) | |
1360 | MIPS_SYS(sys_epoll_pwait, 6) | |
1361 | MIPS_SYS(sys_ioprio_set, 3) | |
1362 | MIPS_SYS(sys_ioprio_get, 2) | |
1363 | }; | |
1364 | ||
1365 | #undef MIPS_SYS | |
1366 | ||
1367 | void cpu_loop(CPUMIPSState *env) | |
1368 | { | |
1369 | target_siginfo_t info; | |
1370 | int trapnr, ret; | |
1371 | unsigned int syscall_num; | |
1372 | ||
1373 | for(;;) { | |
1374 | trapnr = cpu_mips_exec(env); | |
1375 | switch(trapnr) { | |
1376 | case EXCP_SYSCALL: | |
1377 | syscall_num = env->gpr[2][env->current_tc] - 4000; | |
1378 | env->PC[env->current_tc] += 4; | |
1379 | if (syscall_num >= sizeof(mips_syscall_args)) { | |
1380 | ret = -ENOSYS; | |
1381 | } else { | |
1382 | int nb_args; | |
1383 | target_ulong sp_reg; | |
1384 | target_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0; | |
1385 | ||
1386 | nb_args = mips_syscall_args[syscall_num]; | |
1387 | sp_reg = env->gpr[29][env->current_tc]; | |
1388 | switch (nb_args) { | |
1389 | /* these arguments are taken from the stack */ | |
1390 | case 8: arg8 = tgetl(sp_reg + 28); | |
1391 | case 7: arg7 = tgetl(sp_reg + 24); | |
1392 | case 6: arg6 = tgetl(sp_reg + 20); | |
1393 | case 5: arg5 = tgetl(sp_reg + 16); | |
1394 | default: | |
1395 | break; | |
1396 | } | |
1397 | ret = do_syscall(env, env->gpr[2][env->current_tc], | |
1398 | env->gpr[4][env->current_tc], | |
1399 | env->gpr[5][env->current_tc], | |
1400 | env->gpr[6][env->current_tc], | |
1401 | env->gpr[7][env->current_tc], | |
1402 | arg5, arg6/*, arg7, arg8*/); | |
1403 | } | |
1404 | if ((unsigned int)ret >= (unsigned int)(-1133)) { | |
1405 | env->gpr[7][env->current_tc] = 1; /* error flag */ | |
1406 | ret = -ret; | |
1407 | } else { | |
1408 | env->gpr[7][env->current_tc] = 0; /* error flag */ | |
1409 | } | |
1410 | env->gpr[2][env->current_tc] = ret; | |
1411 | break; | |
1412 | case EXCP_TLBL: | |
1413 | case EXCP_TLBS: | |
1414 | case EXCP_CpU: | |
1415 | case EXCP_RI: | |
1416 | info.si_signo = TARGET_SIGILL; | |
1417 | info.si_errno = 0; | |
1418 | info.si_code = 0; | |
1419 | queue_signal(info.si_signo, &info); | |
1420 | break; | |
1421 | case EXCP_INTERRUPT: | |
1422 | /* just indicate that signals should be handled asap */ | |
1423 | break; | |
1424 | case EXCP_DEBUG: | |
1425 | { | |
1426 | int sig; | |
1427 | ||
1428 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1429 | if (sig) | |
1430 | { | |
1431 | info.si_signo = sig; | |
1432 | info.si_errno = 0; | |
1433 | info.si_code = TARGET_TRAP_BRKPT; | |
1434 | queue_signal(info.si_signo, &info); | |
1435 | } | |
1436 | } | |
1437 | break; | |
1438 | default: | |
1439 | // error: | |
1440 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", | |
1441 | trapnr); | |
1442 | cpu_dump_state(env, stderr, fprintf, 0); | |
1443 | abort(); | |
1444 | } | |
1445 | process_pending_signals(env); | |
1446 | } | |
1447 | } | |
1448 | #endif | |
1449 | ||
1450 | #ifdef TARGET_SH4 | |
1451 | void cpu_loop (CPUState *env) | |
1452 | { | |
1453 | int trapnr, ret; | |
1454 | target_siginfo_t info; | |
1455 | ||
1456 | while (1) { | |
1457 | trapnr = cpu_sh4_exec (env); | |
1458 | ||
1459 | switch (trapnr) { | |
1460 | case 0x160: | |
1461 | ret = do_syscall(env, | |
1462 | env->gregs[3], | |
1463 | env->gregs[4], | |
1464 | env->gregs[5], | |
1465 | env->gregs[6], | |
1466 | env->gregs[7], | |
1467 | env->gregs[0], | |
1468 | 0); | |
1469 | env->gregs[0] = ret; | |
1470 | env->pc += 2; | |
1471 | break; | |
1472 | case EXCP_DEBUG: | |
1473 | { | |
1474 | int sig; | |
1475 | ||
1476 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1477 | if (sig) | |
1478 | { | |
1479 | info.si_signo = sig; | |
1480 | info.si_errno = 0; | |
1481 | info.si_code = TARGET_TRAP_BRKPT; | |
1482 | queue_signal(info.si_signo, &info); | |
1483 | } | |
1484 | } | |
1485 | break; | |
1486 | default: | |
1487 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
1488 | cpu_dump_state(env, stderr, fprintf, 0); | |
1489 | exit (1); | |
1490 | } | |
1491 | process_pending_signals (env); | |
1492 | } | |
1493 | } | |
1494 | #endif | |
1495 | ||
1496 | #ifdef TARGET_M68K | |
1497 | ||
1498 | void cpu_loop(CPUM68KState *env) | |
1499 | { | |
1500 | int trapnr; | |
1501 | unsigned int n; | |
1502 | target_siginfo_t info; | |
1503 | TaskState *ts = env->opaque; | |
1504 | ||
1505 | for(;;) { | |
1506 | trapnr = cpu_m68k_exec(env); | |
1507 | switch(trapnr) { | |
1508 | case EXCP_ILLEGAL: | |
1509 | { | |
1510 | if (ts->sim_syscalls) { | |
1511 | uint16_t nr; | |
1512 | nr = lduw(env->pc + 2); | |
1513 | env->pc += 4; | |
1514 | do_m68k_simcall(env, nr); | |
1515 | } else { | |
1516 | goto do_sigill; | |
1517 | } | |
1518 | } | |
1519 | break; | |
1520 | case EXCP_HALT_INSN: | |
1521 | /* Semihosing syscall. */ | |
1522 | env->pc += 4; | |
1523 | do_m68k_semihosting(env, env->dregs[0]); | |
1524 | break; | |
1525 | case EXCP_LINEA: | |
1526 | case EXCP_LINEF: | |
1527 | case EXCP_UNSUPPORTED: | |
1528 | do_sigill: | |
1529 | info.si_signo = SIGILL; | |
1530 | info.si_errno = 0; | |
1531 | info.si_code = TARGET_ILL_ILLOPN; | |
1532 | info._sifields._sigfault._addr = env->pc; | |
1533 | queue_signal(info.si_signo, &info); | |
1534 | break; | |
1535 | case EXCP_TRAP0: | |
1536 | { | |
1537 | ts->sim_syscalls = 0; | |
1538 | n = env->dregs[0]; | |
1539 | env->pc += 2; | |
1540 | env->dregs[0] = do_syscall(env, | |
1541 | n, | |
1542 | env->dregs[1], | |
1543 | env->dregs[2], | |
1544 | env->dregs[3], | |
1545 | env->dregs[4], | |
1546 | env->dregs[5], | |
1547 | env->dregs[6]); | |
1548 | } | |
1549 | break; | |
1550 | case EXCP_INTERRUPT: | |
1551 | /* just indicate that signals should be handled asap */ | |
1552 | break; | |
1553 | case EXCP_ACCESS: | |
1554 | { | |
1555 | info.si_signo = SIGSEGV; | |
1556 | info.si_errno = 0; | |
1557 | /* XXX: check env->error_code */ | |
1558 | info.si_code = TARGET_SEGV_MAPERR; | |
1559 | info._sifields._sigfault._addr = env->mmu.ar; | |
1560 | queue_signal(info.si_signo, &info); | |
1561 | } | |
1562 | break; | |
1563 | case EXCP_DEBUG: | |
1564 | { | |
1565 | int sig; | |
1566 | ||
1567 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1568 | if (sig) | |
1569 | { | |
1570 | info.si_signo = sig; | |
1571 | info.si_errno = 0; | |
1572 | info.si_code = TARGET_TRAP_BRKPT; | |
1573 | queue_signal(info.si_signo, &info); | |
1574 | } | |
1575 | } | |
1576 | break; | |
1577 | default: | |
1578 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", | |
1579 | trapnr); | |
1580 | cpu_dump_state(env, stderr, fprintf, 0); | |
1581 | abort(); | |
1582 | } | |
1583 | process_pending_signals(env); | |
1584 | } | |
1585 | } | |
1586 | #endif /* TARGET_M68K */ | |
1587 | ||
1588 | #ifdef TARGET_ALPHA | |
1589 | void cpu_loop (CPUState *env) | |
1590 | { | |
1591 | int trapnr; | |
1592 | target_siginfo_t info; | |
1593 | ||
1594 | while (1) { | |
1595 | trapnr = cpu_alpha_exec (env); | |
1596 | ||
1597 | switch (trapnr) { | |
1598 | case EXCP_RESET: | |
1599 | fprintf(stderr, "Reset requested. Exit\n"); | |
1600 | exit(1); | |
1601 | break; | |
1602 | case EXCP_MCHK: | |
1603 | fprintf(stderr, "Machine check exception. Exit\n"); | |
1604 | exit(1); | |
1605 | break; | |
1606 | case EXCP_ARITH: | |
1607 | fprintf(stderr, "Arithmetic trap.\n"); | |
1608 | exit(1); | |
1609 | break; | |
1610 | case EXCP_HW_INTERRUPT: | |
1611 | fprintf(stderr, "External interrupt. Exit\n"); | |
1612 | exit(1); | |
1613 | break; | |
1614 | case EXCP_DFAULT: | |
1615 | fprintf(stderr, "MMU data fault\n"); | |
1616 | exit(1); | |
1617 | break; | |
1618 | case EXCP_DTB_MISS_PAL: | |
1619 | fprintf(stderr, "MMU data TLB miss in PALcode\n"); | |
1620 | exit(1); | |
1621 | break; | |
1622 | case EXCP_ITB_MISS: | |
1623 | fprintf(stderr, "MMU instruction TLB miss\n"); | |
1624 | exit(1); | |
1625 | break; | |
1626 | case EXCP_ITB_ACV: | |
1627 | fprintf(stderr, "MMU instruction access violation\n"); | |
1628 | exit(1); | |
1629 | break; | |
1630 | case EXCP_DTB_MISS_NATIVE: | |
1631 | fprintf(stderr, "MMU data TLB miss\n"); | |
1632 | exit(1); | |
1633 | break; | |
1634 | case EXCP_UNALIGN: | |
1635 | fprintf(stderr, "Unaligned access\n"); | |
1636 | exit(1); | |
1637 | break; | |
1638 | case EXCP_OPCDEC: | |
1639 | fprintf(stderr, "Invalid instruction\n"); | |
1640 | exit(1); | |
1641 | break; | |
1642 | case EXCP_FEN: | |
1643 | fprintf(stderr, "Floating-point not allowed\n"); | |
1644 | exit(1); | |
1645 | break; | |
1646 | case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1): | |
1647 | fprintf(stderr, "Call to PALcode\n"); | |
1648 | call_pal(env, (trapnr >> 6) | 0x80); | |
1649 | break; | |
1650 | case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1): | |
1651 | fprintf(stderr, "Privileged call to PALcode\n"); | |
1652 | exit(1); | |
1653 | break; | |
1654 | case EXCP_DEBUG: | |
1655 | { | |
1656 | int sig; | |
1657 | ||
1658 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1659 | if (sig) | |
1660 | { | |
1661 | info.si_signo = sig; | |
1662 | info.si_errno = 0; | |
1663 | info.si_code = TARGET_TRAP_BRKPT; | |
1664 | queue_signal(info.si_signo, &info); | |
1665 | } | |
1666 | } | |
1667 | break; | |
1668 | default: | |
1669 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
1670 | cpu_dump_state(env, stderr, fprintf, 0); | |
1671 | exit (1); | |
1672 | } | |
1673 | process_pending_signals (env); | |
1674 | } | |
1675 | } | |
1676 | #endif /* TARGET_ALPHA */ | |
1677 | ||
1678 | void usage(void) | |
1679 | { | |
1680 | printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n" | |
1681 | "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n" | |
1682 | "Linux CPU emulator (compiled for %s emulation)\n" | |
1683 | "\n" | |
1684 | "-h print this help\n" | |
1685 | "-g port wait gdb connection to port\n" | |
1686 | "-L path set the elf interpreter prefix (default=%s)\n" | |
1687 | "-s size set the stack size in bytes (default=%ld)\n" | |
1688 | "-cpu model select CPU (-cpu ? for list)\n" | |
1689 | "-drop-ld-preload drop LD_PRELOAD for target process\n" | |
1690 | "\n" | |
1691 | "debug options:\n" | |
1692 | #ifdef USE_CODE_COPY | |
1693 | "-no-code-copy disable code copy acceleration\n" | |
1694 | #endif | |
1695 | "-d options activate log (logfile=%s)\n" | |
1696 | "-p pagesize set the host page size to 'pagesize'\n", | |
1697 | TARGET_ARCH, | |
1698 | interp_prefix, | |
1699 | x86_stack_size, | |
1700 | DEBUG_LOGFILE); | |
1701 | _exit(1); | |
1702 | } | |
1703 | ||
1704 | /* XXX: currently only used for async signals (see signal.c) */ | |
1705 | CPUState *global_env; | |
1706 | ||
1707 | /* used to free thread contexts */ | |
1708 | TaskState *first_task_state; | |
1709 | ||
1710 | int main(int argc, char **argv) | |
1711 | { | |
1712 | const char *filename; | |
1713 | const char *cpu_model; | |
1714 | struct target_pt_regs regs1, *regs = ®s1; | |
1715 | struct image_info info1, *info = &info1; | |
1716 | TaskState ts1, *ts = &ts1; | |
1717 | CPUState *env; | |
1718 | int optind; | |
1719 | const char *r; | |
1720 | int gdbstub_port = 0; | |
1721 | int drop_ld_preload = 0, environ_count = 0; | |
1722 | char **target_environ, **wrk, **dst; | |
1723 | ||
1724 | if (argc <= 1) | |
1725 | usage(); | |
1726 | ||
1727 | /* init debug */ | |
1728 | cpu_set_log_filename(DEBUG_LOGFILE); | |
1729 | ||
1730 | cpu_model = NULL; | |
1731 | optind = 1; | |
1732 | for(;;) { | |
1733 | if (optind >= argc) | |
1734 | break; | |
1735 | r = argv[optind]; | |
1736 | if (r[0] != '-') | |
1737 | break; | |
1738 | optind++; | |
1739 | r++; | |
1740 | if (!strcmp(r, "-")) { | |
1741 | break; | |
1742 | } else if (!strcmp(r, "d")) { | |
1743 | int mask; | |
1744 | CPULogItem *item; | |
1745 | ||
1746 | if (optind >= argc) | |
1747 | break; | |
1748 | ||
1749 | r = argv[optind++]; | |
1750 | mask = cpu_str_to_log_mask(r); | |
1751 | if (!mask) { | |
1752 | printf("Log items (comma separated):\n"); | |
1753 | for(item = cpu_log_items; item->mask != 0; item++) { | |
1754 | printf("%-10s %s\n", item->name, item->help); | |
1755 | } | |
1756 | exit(1); | |
1757 | } | |
1758 | cpu_set_log(mask); | |
1759 | } else if (!strcmp(r, "s")) { | |
1760 | r = argv[optind++]; | |
1761 | x86_stack_size = strtol(r, (char **)&r, 0); | |
1762 | if (x86_stack_size <= 0) | |
1763 | usage(); | |
1764 | if (*r == 'M') | |
1765 | x86_stack_size *= 1024 * 1024; | |
1766 | else if (*r == 'k' || *r == 'K') | |
1767 | x86_stack_size *= 1024; | |
1768 | } else if (!strcmp(r, "L")) { | |
1769 | interp_prefix = argv[optind++]; | |
1770 | } else if (!strcmp(r, "p")) { | |
1771 | qemu_host_page_size = atoi(argv[optind++]); | |
1772 | if (qemu_host_page_size == 0 || | |
1773 | (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { | |
1774 | fprintf(stderr, "page size must be a power of two\n"); | |
1775 | exit(1); | |
1776 | } | |
1777 | } else if (!strcmp(r, "g")) { | |
1778 | gdbstub_port = atoi(argv[optind++]); | |
1779 | } else if (!strcmp(r, "r")) { | |
1780 | qemu_uname_release = argv[optind++]; | |
1781 | } else if (!strcmp(r, "cpu")) { | |
1782 | cpu_model = argv[optind++]; | |
1783 | if (strcmp(cpu_model, "?") == 0) { | |
1784 | #if defined(TARGET_PPC) | |
1785 | ppc_cpu_list(stdout, &fprintf); | |
1786 | #elif defined(TARGET_ARM) | |
1787 | arm_cpu_list(); | |
1788 | #elif defined(TARGET_MIPS) | |
1789 | mips_cpu_list(stdout, &fprintf); | |
1790 | #elif defined(TARGET_SPARC) | |
1791 | sparc_cpu_list(stdout, &fprintf); | |
1792 | #endif | |
1793 | _exit(1); | |
1794 | } | |
1795 | } else if (!strcmp(r, "drop-ld-preload")) { | |
1796 | drop_ld_preload = 1; | |
1797 | } else | |
1798 | #ifdef USE_CODE_COPY | |
1799 | if (!strcmp(r, "no-code-copy")) { | |
1800 | code_copy_enabled = 0; | |
1801 | } else | |
1802 | #endif | |
1803 | { | |
1804 | usage(); | |
1805 | } | |
1806 | } | |
1807 | if (optind >= argc) | |
1808 | usage(); | |
1809 | filename = argv[optind]; | |
1810 | ||
1811 | /* Zero out regs */ | |
1812 | memset(regs, 0, sizeof(struct target_pt_regs)); | |
1813 | ||
1814 | /* Zero out image_info */ | |
1815 | memset(info, 0, sizeof(struct image_info)); | |
1816 | ||
1817 | /* Scan interp_prefix dir for replacement files. */ | |
1818 | init_paths(interp_prefix); | |
1819 | ||
1820 | /* NOTE: we need to init the CPU at this stage to get | |
1821 | qemu_host_page_size */ | |
1822 | env = cpu_init(); | |
1823 | global_env = env; | |
1824 | ||
1825 | wrk = environ; | |
1826 | while (*(wrk++)) | |
1827 | environ_count++; | |
1828 | ||
1829 | target_environ = malloc((environ_count + 1) * sizeof(char *)); | |
1830 | if (!target_environ) | |
1831 | abort(); | |
1832 | for (wrk = environ, dst = target_environ; *wrk; wrk++) { | |
1833 | if (drop_ld_preload && !strncmp(*wrk, "LD_PRELOAD=", 11)) | |
1834 | continue; | |
1835 | *(dst++) = strdup(*wrk); | |
1836 | } | |
1837 | *dst = NULL; /* NULL terminate target_environ */ | |
1838 | ||
1839 | if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) { | |
1840 | printf("Error loading %s\n", filename); | |
1841 | _exit(1); | |
1842 | } | |
1843 | ||
1844 | for (wrk = target_environ; *wrk; wrk++) { | |
1845 | free(*wrk); | |
1846 | } | |
1847 | ||
1848 | free(target_environ); | |
1849 | ||
1850 | if (loglevel) { | |
1851 | page_dump(logfile); | |
1852 | ||
1853 | fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk); | |
1854 | fprintf(logfile, "end_code 0x%08lx\n" , info->end_code); | |
1855 | fprintf(logfile, "start_code 0x%08lx\n" , info->start_code); | |
1856 | fprintf(logfile, "start_data 0x%08lx\n" , info->start_data); | |
1857 | fprintf(logfile, "end_data 0x%08lx\n" , info->end_data); | |
1858 | fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack); | |
1859 | fprintf(logfile, "brk 0x%08lx\n" , info->brk); | |
1860 | fprintf(logfile, "entry 0x%08lx\n" , info->entry); | |
1861 | } | |
1862 | ||
1863 | target_set_brk(info->brk); | |
1864 | syscall_init(); | |
1865 | signal_init(); | |
1866 | ||
1867 | /* build Task State */ | |
1868 | memset(ts, 0, sizeof(TaskState)); | |
1869 | env->opaque = ts; | |
1870 | ts->used = 1; | |
1871 | ts->info = info; | |
1872 | env->user_mode_only = 1; | |
1873 | ||
1874 | #if defined(TARGET_I386) | |
1875 | cpu_x86_set_cpl(env, 3); | |
1876 | ||
1877 | env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; | |
1878 | env->hflags |= HF_PE_MASK; | |
1879 | if (env->cpuid_features & CPUID_SSE) { | |
1880 | env->cr[4] |= CR4_OSFXSR_MASK; | |
1881 | env->hflags |= HF_OSFXSR_MASK; | |
1882 | } | |
1883 | ||
1884 | /* flags setup : we activate the IRQs by default as in user mode */ | |
1885 | env->eflags |= IF_MASK; | |
1886 | ||
1887 | /* linux register setup */ | |
1888 | #if defined(TARGET_X86_64) | |
1889 | env->regs[R_EAX] = regs->rax; | |
1890 | env->regs[R_EBX] = regs->rbx; | |
1891 | env->regs[R_ECX] = regs->rcx; | |
1892 | env->regs[R_EDX] = regs->rdx; | |
1893 | env->regs[R_ESI] = regs->rsi; | |
1894 | env->regs[R_EDI] = regs->rdi; | |
1895 | env->regs[R_EBP] = regs->rbp; | |
1896 | env->regs[R_ESP] = regs->rsp; | |
1897 | env->eip = regs->rip; | |
1898 | #else | |
1899 | env->regs[R_EAX] = regs->eax; | |
1900 | env->regs[R_EBX] = regs->ebx; | |
1901 | env->regs[R_ECX] = regs->ecx; | |
1902 | env->regs[R_EDX] = regs->edx; | |
1903 | env->regs[R_ESI] = regs->esi; | |
1904 | env->regs[R_EDI] = regs->edi; | |
1905 | env->regs[R_EBP] = regs->ebp; | |
1906 | env->regs[R_ESP] = regs->esp; | |
1907 | env->eip = regs->eip; | |
1908 | #endif | |
1909 | ||
1910 | /* linux interrupt setup */ | |
1911 | env->idt.base = h2g(idt_table); | |
1912 | env->idt.limit = sizeof(idt_table) - 1; | |
1913 | set_idt(0, 0); | |
1914 | set_idt(1, 0); | |
1915 | set_idt(2, 0); | |
1916 | set_idt(3, 3); | |
1917 | set_idt(4, 3); | |
1918 | set_idt(5, 3); | |
1919 | set_idt(6, 0); | |
1920 | set_idt(7, 0); | |
1921 | set_idt(8, 0); | |
1922 | set_idt(9, 0); | |
1923 | set_idt(10, 0); | |
1924 | set_idt(11, 0); | |
1925 | set_idt(12, 0); | |
1926 | set_idt(13, 0); | |
1927 | set_idt(14, 0); | |
1928 | set_idt(15, 0); | |
1929 | set_idt(16, 0); | |
1930 | set_idt(17, 0); | |
1931 | set_idt(18, 0); | |
1932 | set_idt(19, 0); | |
1933 | set_idt(0x80, 3); | |
1934 | ||
1935 | /* linux segment setup */ | |
1936 | env->gdt.base = h2g(gdt_table); | |
1937 | env->gdt.limit = sizeof(gdt_table) - 1; | |
1938 | write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, | |
1939 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
1940 | (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); | |
1941 | write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, | |
1942 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
1943 | (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); | |
1944 | cpu_x86_load_seg(env, R_CS, __USER_CS); | |
1945 | cpu_x86_load_seg(env, R_DS, __USER_DS); | |
1946 | cpu_x86_load_seg(env, R_ES, __USER_DS); | |
1947 | cpu_x86_load_seg(env, R_SS, __USER_DS); | |
1948 | cpu_x86_load_seg(env, R_FS, __USER_DS); | |
1949 | cpu_x86_load_seg(env, R_GS, __USER_DS); | |
1950 | ||
1951 | /* This hack makes Wine work... */ | |
1952 | env->segs[R_FS].selector = 0; | |
1953 | #elif defined(TARGET_ARM) | |
1954 | { | |
1955 | int i; | |
1956 | if (cpu_model == NULL) | |
1957 | cpu_model = "arm926"; | |
1958 | cpu_arm_set_model(env, cpu_model); | |
1959 | cpsr_write(env, regs->uregs[16], 0xffffffff); | |
1960 | for(i = 0; i < 16; i++) { | |
1961 | env->regs[i] = regs->uregs[i]; | |
1962 | } | |
1963 | } | |
1964 | #elif defined(TARGET_SPARC) | |
1965 | { | |
1966 | int i; | |
1967 | const sparc_def_t *def; | |
1968 | #ifdef TARGET_SPARC64 | |
1969 | if (cpu_model == NULL) | |
1970 | cpu_model = "TI UltraSparc II"; | |
1971 | #else | |
1972 | if (cpu_model == NULL) | |
1973 | cpu_model = "Fujitsu MB86904"; | |
1974 | #endif | |
1975 | sparc_find_by_name(cpu_model, &def); | |
1976 | if (def == NULL) { | |
1977 | fprintf(stderr, "Unable to find Sparc CPU definition\n"); | |
1978 | exit(1); | |
1979 | } | |
1980 | cpu_sparc_register(env, def); | |
1981 | env->pc = regs->pc; | |
1982 | env->npc = regs->npc; | |
1983 | env->y = regs->y; | |
1984 | for(i = 0; i < 8; i++) | |
1985 | env->gregs[i] = regs->u_regs[i]; | |
1986 | for(i = 0; i < 8; i++) | |
1987 | env->regwptr[i] = regs->u_regs[i + 8]; | |
1988 | } | |
1989 | #elif defined(TARGET_PPC) | |
1990 | { | |
1991 | ppc_def_t *def; | |
1992 | int i; | |
1993 | ||
1994 | /* Choose and initialise CPU */ | |
1995 | if (cpu_model == NULL) | |
1996 | cpu_model = "750"; | |
1997 | ppc_find_by_name(cpu_model, &def); | |
1998 | if (def == NULL) { | |
1999 | cpu_abort(env, | |
2000 | "Unable to find PowerPC CPU definition\n"); | |
2001 | } | |
2002 | cpu_ppc_register(env, def); | |
2003 | ||
2004 | for (i = 0; i < 32; i++) { | |
2005 | if (i != 12 && i != 6 && i != 13) | |
2006 | env->msr[i] = (regs->msr >> i) & 1; | |
2007 | } | |
2008 | #if defined(TARGET_PPC64) | |
2009 | msr_sf = 1; | |
2010 | #endif | |
2011 | env->nip = regs->nip; | |
2012 | for(i = 0; i < 32; i++) { | |
2013 | env->gpr[i] = regs->gpr[i]; | |
2014 | } | |
2015 | } | |
2016 | #elif defined(TARGET_M68K) | |
2017 | { | |
2018 | if (cpu_model == NULL) | |
2019 | cpu_model = "any"; | |
2020 | if (cpu_m68k_set_model(env, cpu_model)) { | |
2021 | cpu_abort(cpu_single_env, | |
2022 | "Unable to find m68k CPU definition\n"); | |
2023 | } | |
2024 | env->pc = regs->pc; | |
2025 | env->dregs[0] = regs->d0; | |
2026 | env->dregs[1] = regs->d1; | |
2027 | env->dregs[2] = regs->d2; | |
2028 | env->dregs[3] = regs->d3; | |
2029 | env->dregs[4] = regs->d4; | |
2030 | env->dregs[5] = regs->d5; | |
2031 | env->dregs[6] = regs->d6; | |
2032 | env->dregs[7] = regs->d7; | |
2033 | env->aregs[0] = regs->a0; | |
2034 | env->aregs[1] = regs->a1; | |
2035 | env->aregs[2] = regs->a2; | |
2036 | env->aregs[3] = regs->a3; | |
2037 | env->aregs[4] = regs->a4; | |
2038 | env->aregs[5] = regs->a5; | |
2039 | env->aregs[6] = regs->a6; | |
2040 | env->aregs[7] = regs->usp; | |
2041 | env->sr = regs->sr; | |
2042 | ts->sim_syscalls = 1; | |
2043 | } | |
2044 | #elif defined(TARGET_MIPS) | |
2045 | { | |
2046 | mips_def_t *def; | |
2047 | int i; | |
2048 | ||
2049 | /* Choose and initialise CPU */ | |
2050 | if (cpu_model == NULL) | |
2051 | cpu_model = "24Kf"; | |
2052 | mips_find_by_name(cpu_model, &def); | |
2053 | if (def == NULL) | |
2054 | cpu_abort(env, "Unable to find MIPS CPU definition\n"); | |
2055 | cpu_mips_register(env, def); | |
2056 | ||
2057 | for(i = 0; i < 32; i++) { | |
2058 | env->gpr[i][env->current_tc] = regs->regs[i]; | |
2059 | } | |
2060 | env->PC[env->current_tc] = regs->cp0_epc; | |
2061 | } | |
2062 | #elif defined(TARGET_SH4) | |
2063 | { | |
2064 | int i; | |
2065 | ||
2066 | for(i = 0; i < 16; i++) { | |
2067 | env->gregs[i] = regs->regs[i]; | |
2068 | } | |
2069 | env->pc = regs->pc; | |
2070 | } | |
2071 | #elif defined(TARGET_ALPHA) | |
2072 | { | |
2073 | int i; | |
2074 | ||
2075 | for(i = 0; i < 28; i++) { | |
2076 | env->ir[i] = ((target_ulong *)regs)[i]; | |
2077 | } | |
2078 | env->ipr[IPR_USP] = regs->usp; | |
2079 | env->ir[30] = regs->usp; | |
2080 | env->pc = regs->pc; | |
2081 | env->unique = regs->unique; | |
2082 | } | |
2083 | #else | |
2084 | #error unsupported target CPU | |
2085 | #endif | |
2086 | ||
2087 | #if defined(TARGET_ARM) || defined(TARGET_M68K) | |
2088 | ts->stack_base = info->start_stack; | |
2089 | ts->heap_base = info->brk; | |
2090 | /* This will be filled in on the first SYS_HEAPINFO call. */ | |
2091 | ts->heap_limit = 0; | |
2092 | #endif | |
2093 | ||
2094 | if (gdbstub_port) { | |
2095 | gdbserver_start (gdbstub_port); | |
2096 | gdb_handlesig(env, 0); | |
2097 | } | |
2098 | cpu_loop(env); | |
2099 | /* never exits */ | |
2100 | return 0; | |
2101 | } |