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Commit | Line | Data |
---|---|---|
31e31b8a | 1 | /* |
93ac68bc | 2 | * qemu user main |
31e31b8a FB |
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> | |
04369ff2 | 23 | #include <string.h> |
31e31b8a | 24 | #include <errno.h> |
0ecfa993 | 25 | #include <unistd.h> |
31e31b8a | 26 | |
3ef693a0 | 27 | #include "qemu.h" |
31e31b8a | 28 | |
3ef693a0 | 29 | #define DEBUG_LOGFILE "/tmp/qemu.log" |
586314f2 | 30 | |
83fb7adf FB |
31 | #ifdef __APPLE__ |
32 | #include <crt_externs.h> | |
33 | # define environ (*_NSGetEnviron()) | |
34 | #endif | |
35 | ||
74cd30b8 | 36 | static const char *interp_prefix = CONFIG_QEMU_PREFIX; |
c5937220 | 37 | const char *qemu_uname_release = CONFIG_UNAME_RELEASE; |
586314f2 | 38 | |
3a4739d6 | 39 | #if defined(__i386__) && !defined(CONFIG_STATIC) |
f801f97e FB |
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"; | |
4304763b | 43 | #endif |
74cd30b8 | 44 | |
93ac68bc | 45 | /* for recent libc, we add these dummy symbols which are not declared |
74cd30b8 | 46 | when generating a linked object (bug in ld ?) */ |
fbf59244 | 47 | #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC) |
c6981055 FB |
48 | long __preinit_array_start[0]; |
49 | long __preinit_array_end[0]; | |
74cd30b8 FB |
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 | ||
9de5e440 FB |
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; | |
31e31b8a FB |
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 | ||
61190b14 | 70 | void cpu_outb(CPUState *env, int addr, int val) |
367e86e8 FB |
71 | { |
72 | fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val); | |
73 | } | |
74 | ||
61190b14 | 75 | void cpu_outw(CPUState *env, int addr, int val) |
367e86e8 FB |
76 | { |
77 | fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val); | |
78 | } | |
79 | ||
61190b14 | 80 | void cpu_outl(CPUState *env, int addr, int val) |
367e86e8 FB |
81 | { |
82 | fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val); | |
83 | } | |
84 | ||
61190b14 | 85 | int cpu_inb(CPUState *env, int addr) |
367e86e8 FB |
86 | { |
87 | fprintf(stderr, "inb: port=0x%04x\n", addr); | |
88 | return 0; | |
89 | } | |
90 | ||
61190b14 | 91 | int cpu_inw(CPUState *env, int addr) |
367e86e8 FB |
92 | { |
93 | fprintf(stderr, "inw: port=0x%04x\n", addr); | |
94 | return 0; | |
95 | } | |
96 | ||
61190b14 | 97 | int cpu_inl(CPUState *env, int addr) |
367e86e8 FB |
98 | { |
99 | fprintf(stderr, "inl: port=0x%04x\n", addr); | |
100 | return 0; | |
101 | } | |
102 | ||
a541f297 | 103 | int cpu_get_pic_interrupt(CPUState *env) |
92ccca6a FB |
104 | { |
105 | return -1; | |
106 | } | |
107 | ||
28ab0e2e FB |
108 | /* timers for rdtsc */ |
109 | ||
1dce7c3c | 110 | #if 0 |
28ab0e2e FB |
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 | ||
a541f297 FB |
121 | #ifdef TARGET_I386 |
122 | /***********************************************************/ | |
123 | /* CPUX86 core interface */ | |
124 | ||
02a1602e FB |
125 | void cpu_smm_update(CPUState *env) |
126 | { | |
127 | } | |
128 | ||
28ab0e2e FB |
129 | uint64_t cpu_get_tsc(CPUX86State *env) |
130 | { | |
131 | return cpu_get_real_ticks(); | |
132 | } | |
133 | ||
f4beb510 FB |
134 | static void write_dt(void *ptr, unsigned long addr, unsigned long limit, |
135 | int flags) | |
6dbad63e | 136 | { |
f4beb510 | 137 | unsigned int e1, e2; |
53a5960a | 138 | uint32_t *p; |
6dbad63e FB |
139 | e1 = (addr << 16) | (limit & 0xffff); |
140 | e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); | |
f4beb510 | 141 | e2 |= flags; |
53a5960a PB |
142 | p = ptr; |
143 | p[0] = tswapl(e1); | |
144 | p[1] = tswapl(e2); | |
f4beb510 FB |
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; | |
53a5960a | 151 | uint32_t *p; |
f4beb510 FB |
152 | e1 = (addr & 0xffff) | (sel << 16); |
153 | e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); | |
53a5960a PB |
154 | p = ptr; |
155 | p[0] = tswapl(e1); | |
156 | p[1] = tswapl(e2); | |
6dbad63e FB |
157 | } |
158 | ||
159 | uint64_t gdt_table[6]; | |
f4beb510 FB |
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 | } | |
31e31b8a | 167 | |
89e957e7 | 168 | void cpu_loop(CPUX86State *env) |
1b6b029e | 169 | { |
bc8a22cc | 170 | int trapnr; |
80a9d035 | 171 | target_ulong pc; |
9de5e440 | 172 | target_siginfo_t info; |
851e67a1 | 173 | |
1b6b029e | 174 | for(;;) { |
bc8a22cc | 175 | trapnr = cpu_x86_exec(env); |
bc8a22cc | 176 | switch(trapnr) { |
f4beb510 FB |
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; | |
1b6b029e | 196 | case EXCP0D_GPF: |
84409ddb | 197 | #ifndef TARGET_X86_64 |
851e67a1 | 198 | if (env->eflags & VM_MASK) { |
89e957e7 | 199 | handle_vm86_fault(env); |
84409ddb JM |
200 | } else |
201 | #endif | |
202 | { | |
f4beb510 FB |
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); | |
1b6b029e FB |
208 | } |
209 | break; | |
b689bc57 FB |
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; | |
970a87a6 | 217 | info._sifields._sigfault._addr = env->cr[2]; |
b689bc57 FB |
218 | queue_signal(info.si_signo, &info); |
219 | break; | |
9de5e440 | 220 | case EXCP00_DIVZ: |
84409ddb | 221 | #ifndef TARGET_X86_64 |
bc8a22cc | 222 | if (env->eflags & VM_MASK) { |
447db213 | 223 | handle_vm86_trap(env, trapnr); |
84409ddb JM |
224 | } else |
225 | #endif | |
226 | { | |
bc8a22cc FB |
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 | } | |
9de5e440 | 234 | break; |
447db213 FB |
235 | case EXCP01_SSTP: |
236 | case EXCP03_INT3: | |
84409ddb | 237 | #ifndef TARGET_X86_64 |
447db213 FB |
238 | if (env->eflags & VM_MASK) { |
239 | handle_vm86_trap(env, trapnr); | |
84409ddb JM |
240 | } else |
241 | #endif | |
242 | { | |
447db213 FB |
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; | |
9de5e440 FB |
255 | case EXCP04_INTO: |
256 | case EXCP05_BOUND: | |
84409ddb | 257 | #ifndef TARGET_X86_64 |
bc8a22cc | 258 | if (env->eflags & VM_MASK) { |
447db213 | 259 | handle_vm86_trap(env, trapnr); |
84409ddb JM |
260 | } else |
261 | #endif | |
262 | { | |
bc8a22cc FB |
263 | info.si_signo = SIGSEGV; |
264 | info.si_errno = 0; | |
b689bc57 | 265 | info.si_code = TARGET_SI_KERNEL; |
bc8a22cc FB |
266 | info._sifields._sigfault._addr = 0; |
267 | queue_signal(info.si_signo, &info); | |
268 | } | |
9de5e440 FB |
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; | |
1fddef4b FB |
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; | |
1b6b029e | 294 | default: |
970a87a6 | 295 | pc = env->segs[R_CS].base + env->eip; |
bc8a22cc FB |
296 | fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", |
297 | (long)pc, trapnr); | |
1b6b029e FB |
298 | abort(); |
299 | } | |
66fb9763 | 300 | process_pending_signals(env); |
1b6b029e FB |
301 | } |
302 | } | |
b346ff46 FB |
303 | #endif |
304 | ||
305 | #ifdef TARGET_ARM | |
306 | ||
6f1f31c0 FB |
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 | ||
b346ff46 FB |
328 | void cpu_loop(CPUARMState *env) |
329 | { | |
330 | int trapnr; | |
331 | unsigned int n, insn; | |
332 | target_siginfo_t info; | |
b5ff1b31 | 333 | uint32_t addr; |
b346ff46 FB |
334 | |
335 | for(;;) { | |
336 | trapnr = cpu_arm_exec(env); | |
337 | switch(trapnr) { | |
338 | case EXCP_UDEF: | |
c6981055 FB |
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 */ | |
53a5960a | 345 | opcode = tget32(env->regs[15]); |
c6981055 | 346 | |
19b045de | 347 | if (EmulateAll(opcode, &ts->fpa, env) == 0) { |
c6981055 FB |
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 | } | |
b346ff46 FB |
358 | break; |
359 | case EXCP_SWI: | |
06c949e6 | 360 | case EXCP_BKPT: |
b346ff46 | 361 | { |
ce4defa0 | 362 | env->eabi = 1; |
b346ff46 | 363 | /* system call */ |
06c949e6 PB |
364 | if (trapnr == EXCP_BKPT) { |
365 | if (env->thumb) { | |
53a5960a | 366 | insn = tget16(env->regs[15]); |
06c949e6 PB |
367 | n = insn & 0xff; |
368 | env->regs[15] += 2; | |
369 | } else { | |
53a5960a | 370 | insn = tget32(env->regs[15]); |
06c949e6 PB |
371 | n = (insn & 0xf) | ((insn >> 4) & 0xff0); |
372 | env->regs[15] += 4; | |
373 | } | |
192c7bd9 | 374 | } else { |
06c949e6 | 375 | if (env->thumb) { |
53a5960a | 376 | insn = tget16(env->regs[15] - 2); |
06c949e6 PB |
377 | n = insn & 0xff; |
378 | } else { | |
53a5960a | 379 | insn = tget32(env->regs[15] - 4); |
06c949e6 PB |
380 | n = insn & 0xffffff; |
381 | } | |
192c7bd9 FB |
382 | } |
383 | ||
6f1f31c0 FB |
384 | if (n == ARM_NR_cacheflush) { |
385 | arm_cache_flush(env->regs[0], env->regs[1]); | |
a4f81979 FB |
386 | } else if (n == ARM_NR_semihosting |
387 | || n == ARM_NR_thumb_semihosting) { | |
388 | env->regs[0] = do_arm_semihosting (env); | |
ce4defa0 | 389 | } else if (n == 0 || n >= ARM_SYSCALL_BASE |
192c7bd9 | 390 | || (env->thumb && n == ARM_THUMB_SYSCALL)) { |
b346ff46 | 391 | /* linux syscall */ |
ce4defa0 | 392 | if (env->thumb || n == 0) { |
192c7bd9 FB |
393 | n = env->regs[7]; |
394 | } else { | |
395 | n -= ARM_SYSCALL_BASE; | |
ce4defa0 | 396 | env->eabi = 0; |
192c7bd9 | 397 | } |
b346ff46 FB |
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], | |
e1a2849c | 405 | env->regs[5]); |
b346ff46 FB |
406 | } else { |
407 | goto error; | |
408 | } | |
409 | } | |
410 | break; | |
43fff238 FB |
411 | case EXCP_INTERRUPT: |
412 | /* just indicate that signals should be handled asap */ | |
413 | break; | |
68016c62 | 414 | case EXCP_PREFETCH_ABORT: |
b5ff1b31 FB |
415 | addr = env->cp15.c6_data; |
416 | goto do_segv; | |
68016c62 | 417 | case EXCP_DATA_ABORT: |
b5ff1b31 FB |
418 | addr = env->cp15.c6_insn; |
419 | goto do_segv; | |
420 | do_segv: | |
68016c62 FB |
421 | { |
422 | info.si_signo = SIGSEGV; | |
423 | info.si_errno = 0; | |
424 | /* XXX: check env->error_code */ | |
425 | info.si_code = TARGET_SEGV_MAPERR; | |
b5ff1b31 | 426 | info._sifields._sigfault._addr = addr; |
68016c62 FB |
427 | queue_signal(info.si_signo, &info); |
428 | } | |
429 | break; | |
1fddef4b FB |
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; | |
b346ff46 FB |
444 | default: |
445 | error: | |
446 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", | |
447 | trapnr); | |
7fe48483 | 448 | cpu_dump_state(env, stderr, fprintf, 0); |
b346ff46 FB |
449 | abort(); |
450 | } | |
451 | process_pending_signals(env); | |
452 | } | |
453 | } | |
454 | ||
455 | #endif | |
1b6b029e | 456 | |
93ac68bc FB |
457 | #ifdef TARGET_SPARC |
458 | ||
060366c5 FB |
459 | //#define DEBUG_WIN |
460 | ||
2623cbaf FB |
461 | /* WARNING: dealing with register windows _is_ complicated. More info |
462 | can be found at http://www.sics.se/~psm/sparcstack.html */ | |
060366c5 FB |
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 | ||
2623cbaf FB |
473 | /* save the register window 'cwp1' */ |
474 | static inline void save_window_offset(CPUSPARCState *env, int cwp1) | |
060366c5 | 475 | { |
2623cbaf | 476 | unsigned int i; |
53a5960a | 477 | target_ulong sp_ptr; |
060366c5 | 478 | |
53a5960a | 479 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; |
060366c5 FB |
480 | #if defined(DEBUG_WIN) |
481 | printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n", | |
482 | (int)sp_ptr, cwp1); | |
483 | #endif | |
2623cbaf | 484 | for(i = 0; i < 16; i++) { |
53a5960a PB |
485 | tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]); |
486 | sp_ptr += sizeof(target_ulong); | |
2623cbaf | 487 | } |
060366c5 FB |
488 | } |
489 | ||
490 | static void save_window(CPUSPARCState *env) | |
491 | { | |
5ef54116 | 492 | #ifndef TARGET_SPARC64 |
2623cbaf FB |
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; | |
5ef54116 FB |
498 | #else |
499 | save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); | |
500 | env->cansave++; | |
501 | env->canrestore--; | |
502 | #endif | |
060366c5 FB |
503 | } |
504 | ||
505 | static void restore_window(CPUSPARCState *env) | |
506 | { | |
507 | unsigned int new_wim, i, cwp1; | |
53a5960a | 508 | target_ulong sp_ptr; |
060366c5 FB |
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); | |
53a5960a | 515 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; |
060366c5 FB |
516 | #if defined(DEBUG_WIN) |
517 | printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n", | |
518 | (int)sp_ptr, cwp1); | |
519 | #endif | |
2623cbaf | 520 | for(i = 0; i < 16; i++) { |
53a5960a PB |
521 | env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr); |
522 | sp_ptr += sizeof(target_ulong); | |
2623cbaf | 523 | } |
060366c5 | 524 | env->wim = new_wim; |
5ef54116 FB |
525 | #ifdef TARGET_SPARC64 |
526 | env->canrestore++; | |
527 | if (env->cleanwin < NWINDOWS - 1) | |
528 | env->cleanwin++; | |
529 | env->cansave--; | |
530 | #endif | |
060366c5 FB |
531 | } |
532 | ||
533 | static void flush_windows(CPUSPARCState *env) | |
534 | { | |
535 | int offset, cwp1; | |
2623cbaf FB |
536 | |
537 | offset = 1; | |
060366c5 FB |
538 | for(;;) { |
539 | /* if restore would invoke restore_window(), then we can stop */ | |
2623cbaf | 540 | cwp1 = (env->cwp + offset) & (NWINDOWS - 1); |
060366c5 FB |
541 | if (env->wim & (1 << cwp1)) |
542 | break; | |
2623cbaf | 543 | save_window_offset(env, cwp1); |
060366c5 FB |
544 | offset++; |
545 | } | |
2623cbaf FB |
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); | |
80a9d035 | 551 | #endif |
2623cbaf | 552 | } |
060366c5 | 553 | |
93ac68bc FB |
554 | void cpu_loop (CPUSPARCState *env) |
555 | { | |
060366c5 | 556 | int trapnr, ret; |
61ff6f58 | 557 | target_siginfo_t info; |
060366c5 FB |
558 | |
559 | while (1) { | |
560 | trapnr = cpu_sparc_exec (env); | |
561 | ||
562 | switch (trapnr) { | |
5ef54116 | 563 | #ifndef TARGET_SPARC64 |
060366c5 FB |
564 | case 0x88: |
565 | case 0x90: | |
5ef54116 FB |
566 | #else |
567 | case 0x16d: | |
568 | #endif | |
060366c5 FB |
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)) { | |
27908725 FB |
574 | #ifdef TARGET_SPARC64 |
575 | env->xcc |= PSR_CARRY; | |
576 | #else | |
060366c5 | 577 | env->psr |= PSR_CARRY; |
27908725 | 578 | #endif |
060366c5 FB |
579 | ret = -ret; |
580 | } else { | |
27908725 FB |
581 | #ifdef TARGET_SPARC64 |
582 | env->xcc &= ~PSR_CARRY; | |
583 | #else | |
060366c5 | 584 | env->psr &= ~PSR_CARRY; |
27908725 | 585 | #endif |
060366c5 FB |
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 */ | |
2623cbaf | 593 | flush_windows(env); |
060366c5 FB |
594 | /* next instruction */ |
595 | env->pc = env->npc; | |
596 | env->npc = env->npc + 4; | |
597 | break; | |
3475187d | 598 | #ifndef TARGET_SPARC64 |
060366c5 FB |
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; | |
61ff6f58 FB |
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; | |
3475187d | 616 | #else |
5ef54116 FB |
617 | case TT_SPILL: /* window overflow */ |
618 | save_window(env); | |
619 | break; | |
620 | case TT_FILL: /* window underflow */ | |
621 | restore_window(env); | |
622 | break; | |
3475187d FB |
623 | // XXX |
624 | #endif | |
48dc41eb FB |
625 | case EXCP_INTERRUPT: |
626 | /* just indicate that signals should be handled asap */ | |
627 | break; | |
1fddef4b FB |
628 | case EXCP_DEBUG: |
629 | { | |
630 | int sig; | |
631 | ||
632 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
633 | if (sig) | |
634 | { | |
635 | info.si_signo = sig; | |
636 | info.si_errno = 0; | |
637 | info.si_code = TARGET_TRAP_BRKPT; | |
638 | queue_signal(info.si_signo, &info); | |
639 | } | |
640 | } | |
641 | break; | |
060366c5 FB |
642 | default: |
643 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
7fe48483 | 644 | cpu_dump_state(env, stderr, fprintf, 0); |
060366c5 FB |
645 | exit (1); |
646 | } | |
647 | process_pending_signals (env); | |
648 | } | |
93ac68bc FB |
649 | } |
650 | ||
651 | #endif | |
652 | ||
67867308 | 653 | #ifdef TARGET_PPC |
9fddaa0c FB |
654 | |
655 | static inline uint64_t cpu_ppc_get_tb (CPUState *env) | |
656 | { | |
657 | /* TO FIX */ | |
658 | return 0; | |
659 | } | |
660 | ||
661 | uint32_t cpu_ppc_load_tbl (CPUState *env) | |
662 | { | |
663 | return cpu_ppc_get_tb(env) & 0xFFFFFFFF; | |
664 | } | |
665 | ||
666 | uint32_t cpu_ppc_load_tbu (CPUState *env) | |
667 | { | |
668 | return cpu_ppc_get_tb(env) >> 32; | |
669 | } | |
670 | ||
671 | static void cpu_ppc_store_tb (CPUState *env, uint64_t value) | |
672 | { | |
673 | /* TO FIX */ | |
674 | } | |
675 | ||
676 | void cpu_ppc_store_tbu (CPUState *env, uint32_t value) | |
677 | { | |
678 | cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env)); | |
679 | } | |
680 | ||
681 | void cpu_ppc_store_tbl (CPUState *env, uint32_t value) | |
682 | { | |
683 | cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value); | |
684 | } | |
76a66253 JM |
685 | |
686 | void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value) | |
687 | __attribute__ (( alias ("cpu_ppc_store_tbu") )); | |
688 | ||
689 | uint32_t cpu_ppc601_load_rtcu (CPUState *env) | |
690 | __attribute__ (( alias ("cpu_ppc_load_tbu") )); | |
691 | ||
692 | void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value) | |
9fddaa0c | 693 | { |
76a66253 | 694 | cpu_ppc_store_tbl(env, value & 0x3FFFFF80); |
9fddaa0c | 695 | } |
76a66253 JM |
696 | |
697 | uint32_t cpu_ppc601_load_rtcl (CPUState *env) | |
9fddaa0c | 698 | { |
76a66253 | 699 | return cpu_ppc_load_tbl(env) & 0x3FFFFF80; |
9fddaa0c | 700 | } |
76a66253 | 701 | |
67867308 FB |
702 | void cpu_loop(CPUPPCState *env) |
703 | { | |
67867308 | 704 | target_siginfo_t info; |
61190b14 FB |
705 | int trapnr; |
706 | uint32_t ret; | |
67867308 FB |
707 | |
708 | for(;;) { | |
709 | trapnr = cpu_ppc_exec(env); | |
61190b14 FB |
710 | if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH && |
711 | trapnr != EXCP_TRACE) { | |
712 | if (loglevel > 0) { | |
7fe48483 | 713 | cpu_dump_state(env, logfile, fprintf, 0); |
61190b14 FB |
714 | } |
715 | } | |
67867308 FB |
716 | switch(trapnr) { |
717 | case EXCP_NONE: | |
67867308 | 718 | break; |
61190b14 FB |
719 | case EXCP_SYSCALL_USER: |
720 | /* system call */ | |
721 | /* WARNING: | |
722 | * PPC ABI uses overflow flag in cr0 to signal an error | |
723 | * in syscalls. | |
724 | */ | |
67867308 | 725 | #if 0 |
61190b14 FB |
726 | printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0], |
727 | env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); | |
67867308 | 728 | #endif |
61190b14 FB |
729 | env->crf[0] &= ~0x1; |
730 | ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], | |
731 | env->gpr[5], env->gpr[6], env->gpr[7], | |
732 | env->gpr[8]); | |
733 | if (ret > (uint32_t)(-515)) { | |
734 | env->crf[0] |= 0x1; | |
735 | ret = -ret; | |
736 | } | |
737 | env->gpr[3] = ret; | |
738 | #if 0 | |
739 | printf("syscall returned 0x%08x (%d)\n", ret, ret); | |
740 | #endif | |
741 | break; | |
742 | case EXCP_RESET: | |
743 | /* Should not happen ! */ | |
744 | fprintf(stderr, "RESET asked... Stop emulation\n"); | |
745 | if (loglevel) | |
746 | fprintf(logfile, "RESET asked... Stop emulation\n"); | |
67867308 | 747 | abort(); |
61190b14 FB |
748 | case EXCP_MACHINE_CHECK: |
749 | fprintf(stderr, "Machine check exeption... Stop emulation\n"); | |
750 | if (loglevel) | |
751 | fprintf(logfile, "RESET asked... Stop emulation\n"); | |
752 | info.si_signo = TARGET_SIGBUS; | |
67867308 | 753 | info.si_errno = 0; |
61190b14 FB |
754 | info.si_code = TARGET_BUS_OBJERR; |
755 | info._sifields._sigfault._addr = env->nip - 4; | |
756 | queue_signal(info.si_signo, &info); | |
757 | case EXCP_DSI: | |
3fc6c082 FB |
758 | fprintf(stderr, "Invalid data memory access: 0x%08x\n", |
759 | env->spr[SPR_DAR]); | |
61190b14 FB |
760 | if (loglevel) { |
761 | fprintf(logfile, "Invalid data memory access: 0x%08x\n", | |
3fc6c082 | 762 | env->spr[SPR_DAR]); |
61190b14 | 763 | } |
2be0071f FB |
764 | switch (env->error_code & 0xFF000000) { |
765 | case 0x40000000: | |
61190b14 FB |
766 | info.si_signo = TARGET_SIGSEGV; |
767 | info.si_errno = 0; | |
768 | info.si_code = TARGET_SEGV_MAPERR; | |
769 | break; | |
2be0071f | 770 | case 0x04000000: |
61190b14 FB |
771 | info.si_signo = TARGET_SIGILL; |
772 | info.si_errno = 0; | |
773 | info.si_code = TARGET_ILL_ILLADR; | |
774 | break; | |
2be0071f | 775 | case 0x08000000: |
61190b14 FB |
776 | info.si_signo = TARGET_SIGSEGV; |
777 | info.si_errno = 0; | |
778 | info.si_code = TARGET_SEGV_ACCERR; | |
779 | break; | |
61190b14 FB |
780 | default: |
781 | /* Let's send a regular segfault... */ | |
782 | fprintf(stderr, "Invalid segfault errno (%02x)\n", | |
783 | env->error_code); | |
784 | if (loglevel) { | |
785 | fprintf(logfile, "Invalid segfault errno (%02x)\n", | |
786 | env->error_code); | |
787 | } | |
788 | info.si_signo = TARGET_SIGSEGV; | |
789 | info.si_errno = 0; | |
790 | info.si_code = TARGET_SEGV_MAPERR; | |
791 | break; | |
792 | } | |
67867308 FB |
793 | info._sifields._sigfault._addr = env->nip; |
794 | queue_signal(info.si_signo, &info); | |
795 | break; | |
61190b14 | 796 | case EXCP_ISI: |
67867308 | 797 | fprintf(stderr, "Invalid instruction fetch\n"); |
61190b14 FB |
798 | if (loglevel) |
799 | fprintf(logfile, "Invalid instruction fetch\n"); | |
2be0071f FB |
800 | switch (env->error_code & 0xFF000000) { |
801 | case 0x40000000: | |
61190b14 | 802 | info.si_signo = TARGET_SIGSEGV; |
67867308 | 803 | info.si_errno = 0; |
61190b14 FB |
804 | info.si_code = TARGET_SEGV_MAPERR; |
805 | break; | |
2be0071f FB |
806 | case 0x10000000: |
807 | case 0x08000000: | |
61190b14 FB |
808 | info.si_signo = TARGET_SIGSEGV; |
809 | info.si_errno = 0; | |
810 | info.si_code = TARGET_SEGV_ACCERR; | |
811 | break; | |
812 | default: | |
813 | /* Let's send a regular segfault... */ | |
814 | fprintf(stderr, "Invalid segfault errno (%02x)\n", | |
815 | env->error_code); | |
816 | if (loglevel) { | |
817 | fprintf(logfile, "Invalid segfault errno (%02x)\n", | |
818 | env->error_code); | |
819 | } | |
820 | info.si_signo = TARGET_SIGSEGV; | |
821 | info.si_errno = 0; | |
822 | info.si_code = TARGET_SEGV_MAPERR; | |
823 | break; | |
824 | } | |
825 | info._sifields._sigfault._addr = env->nip - 4; | |
67867308 FB |
826 | queue_signal(info.si_signo, &info); |
827 | break; | |
61190b14 FB |
828 | case EXCP_EXTERNAL: |
829 | /* Should not happen ! */ | |
830 | fprintf(stderr, "External interruption... Stop emulation\n"); | |
831 | if (loglevel) | |
832 | fprintf(logfile, "External interruption... Stop emulation\n"); | |
67867308 | 833 | abort(); |
61190b14 FB |
834 | case EXCP_ALIGN: |
835 | fprintf(stderr, "Invalid unaligned memory access\n"); | |
836 | if (loglevel) | |
837 | fprintf(logfile, "Invalid unaligned memory access\n"); | |
838 | info.si_signo = TARGET_SIGBUS; | |
67867308 | 839 | info.si_errno = 0; |
61190b14 FB |
840 | info.si_code = TARGET_BUS_ADRALN; |
841 | info._sifields._sigfault._addr = env->nip - 4; | |
67867308 FB |
842 | queue_signal(info.si_signo, &info); |
843 | break; | |
61190b14 FB |
844 | case EXCP_PROGRAM: |
845 | switch (env->error_code & ~0xF) { | |
846 | case EXCP_FP: | |
847 | fprintf(stderr, "Program exception\n"); | |
848 | if (loglevel) | |
849 | fprintf(logfile, "Program exception\n"); | |
850 | /* Set FX */ | |
851 | env->fpscr[7] |= 0x8; | |
852 | /* Finally, update FEX */ | |
853 | if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) & | |
854 | ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3))) | |
855 | env->fpscr[7] |= 0x4; | |
856 | info.si_signo = TARGET_SIGFPE; | |
857 | info.si_errno = 0; | |
858 | switch (env->error_code & 0xF) { | |
859 | case EXCP_FP_OX: | |
860 | info.si_code = TARGET_FPE_FLTOVF; | |
861 | break; | |
862 | case EXCP_FP_UX: | |
863 | info.si_code = TARGET_FPE_FLTUND; | |
864 | break; | |
865 | case EXCP_FP_ZX: | |
866 | case EXCP_FP_VXZDZ: | |
867 | info.si_code = TARGET_FPE_FLTDIV; | |
868 | break; | |
869 | case EXCP_FP_XX: | |
870 | info.si_code = TARGET_FPE_FLTRES; | |
871 | break; | |
872 | case EXCP_FP_VXSOFT: | |
873 | info.si_code = TARGET_FPE_FLTINV; | |
874 | break; | |
875 | case EXCP_FP_VXNAN: | |
876 | case EXCP_FP_VXISI: | |
877 | case EXCP_FP_VXIDI: | |
878 | case EXCP_FP_VXIMZ: | |
879 | case EXCP_FP_VXVC: | |
880 | case EXCP_FP_VXSQRT: | |
881 | case EXCP_FP_VXCVI: | |
882 | info.si_code = TARGET_FPE_FLTSUB; | |
883 | break; | |
884 | default: | |
885 | fprintf(stderr, "Unknown floating point exception " | |
886 | "(%02x)\n", env->error_code); | |
887 | if (loglevel) { | |
888 | fprintf(logfile, "Unknown floating point exception " | |
889 | "(%02x)\n", env->error_code & 0xF); | |
890 | } | |
891 | } | |
892 | break; | |
67867308 | 893 | case EXCP_INVAL: |
61190b14 FB |
894 | fprintf(stderr, "Invalid instruction\n"); |
895 | if (loglevel) | |
896 | fprintf(logfile, "Invalid instruction\n"); | |
897 | info.si_signo = TARGET_SIGILL; | |
898 | info.si_errno = 0; | |
899 | switch (env->error_code & 0xF) { | |
900 | case EXCP_INVAL_INVAL: | |
901 | info.si_code = TARGET_ILL_ILLOPC; | |
902 | break; | |
903 | case EXCP_INVAL_LSWX: | |
67867308 | 904 | info.si_code = TARGET_ILL_ILLOPN; |
61190b14 FB |
905 | break; |
906 | case EXCP_INVAL_SPR: | |
907 | info.si_code = TARGET_ILL_PRVREG; | |
908 | break; | |
909 | case EXCP_INVAL_FP: | |
910 | info.si_code = TARGET_ILL_COPROC; | |
911 | break; | |
912 | default: | |
913 | fprintf(stderr, "Unknown invalid operation (%02x)\n", | |
914 | env->error_code & 0xF); | |
915 | if (loglevel) { | |
916 | fprintf(logfile, "Unknown invalid operation (%02x)\n", | |
917 | env->error_code & 0xF); | |
918 | } | |
919 | info.si_code = TARGET_ILL_ILLADR; | |
920 | break; | |
921 | } | |
922 | break; | |
923 | case EXCP_PRIV: | |
924 | fprintf(stderr, "Privilege violation\n"); | |
925 | if (loglevel) | |
926 | fprintf(logfile, "Privilege violation\n"); | |
927 | info.si_signo = TARGET_SIGILL; | |
928 | info.si_errno = 0; | |
929 | switch (env->error_code & 0xF) { | |
930 | case EXCP_PRIV_OPC: | |
931 | info.si_code = TARGET_ILL_PRVOPC; | |
932 | break; | |
933 | case EXCP_PRIV_REG: | |
934 | info.si_code = TARGET_ILL_PRVREG; | |
935 | break; | |
936 | default: | |
937 | fprintf(stderr, "Unknown privilege violation (%02x)\n", | |
938 | env->error_code & 0xF); | |
939 | info.si_code = TARGET_ILL_PRVOPC; | |
940 | break; | |
941 | } | |
942 | break; | |
943 | case EXCP_TRAP: | |
944 | fprintf(stderr, "Tried to call a TRAP\n"); | |
945 | if (loglevel) | |
946 | fprintf(logfile, "Tried to call a TRAP\n"); | |
947 | abort(); | |
948 | default: | |
949 | /* Should not happen ! */ | |
950 | fprintf(stderr, "Unknown program exception (%02x)\n", | |
951 | env->error_code); | |
952 | if (loglevel) { | |
953 | fprintf(logfile, "Unknwon program exception (%02x)\n", | |
954 | env->error_code); | |
955 | } | |
956 | abort(); | |
957 | } | |
958 | info._sifields._sigfault._addr = env->nip - 4; | |
67867308 FB |
959 | queue_signal(info.si_signo, &info); |
960 | break; | |
61190b14 FB |
961 | case EXCP_NO_FP: |
962 | fprintf(stderr, "No floating point allowed\n"); | |
963 | if (loglevel) | |
964 | fprintf(logfile, "No floating point allowed\n"); | |
965 | info.si_signo = TARGET_SIGILL; | |
67867308 | 966 | info.si_errno = 0; |
61190b14 FB |
967 | info.si_code = TARGET_ILL_COPROC; |
968 | info._sifields._sigfault._addr = env->nip - 4; | |
67867308 FB |
969 | queue_signal(info.si_signo, &info); |
970 | break; | |
61190b14 FB |
971 | case EXCP_DECR: |
972 | /* Should not happen ! */ | |
973 | fprintf(stderr, "Decrementer exception\n"); | |
974 | if (loglevel) | |
975 | fprintf(logfile, "Decrementer exception\n"); | |
976 | abort(); | |
61190b14 FB |
977 | case EXCP_TRACE: |
978 | /* Do nothing: we use this to trace execution */ | |
67867308 | 979 | break; |
61190b14 FB |
980 | case EXCP_FP_ASSIST: |
981 | /* Should not happen ! */ | |
982 | fprintf(stderr, "Floating point assist exception\n"); | |
983 | if (loglevel) | |
984 | fprintf(logfile, "Floating point assist exception\n"); | |
985 | abort(); | |
986 | case EXCP_MTMSR: | |
987 | /* We reloaded the msr, just go on */ | |
9fddaa0c | 988 | if (msr_pr == 0) { |
61190b14 FB |
989 | fprintf(stderr, "Tried to go into supervisor mode !\n"); |
990 | if (loglevel) | |
991 | fprintf(logfile, "Tried to go into supervisor mode !\n"); | |
992 | abort(); | |
67867308 | 993 | } |
61190b14 FB |
994 | break; |
995 | case EXCP_BRANCH: | |
996 | /* We stopped because of a jump... */ | |
997 | break; | |
61190b14 FB |
998 | case EXCP_INTERRUPT: |
999 | /* Don't know why this should ever happen... */ | |
1000 | break; | |
1fddef4b FB |
1001 | case EXCP_DEBUG: |
1002 | { | |
1003 | int sig; | |
1004 | ||
1005 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1006 | if (sig) | |
1007 | { | |
1008 | info.si_signo = sig; | |
1009 | info.si_errno = 0; | |
1010 | info.si_code = TARGET_TRAP_BRKPT; | |
1011 | queue_signal(info.si_signo, &info); | |
1012 | } | |
1013 | } | |
1014 | break; | |
67867308 | 1015 | default: |
67867308 FB |
1016 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", |
1017 | trapnr); | |
61190b14 FB |
1018 | if (loglevel) { |
1019 | fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - " | |
1020 | "0x%02x - aborting\n", trapnr, env->error_code); | |
1021 | } | |
67867308 FB |
1022 | abort(); |
1023 | } | |
1024 | process_pending_signals(env); | |
1025 | } | |
1026 | } | |
1027 | #endif | |
1028 | ||
048f6b4d FB |
1029 | #ifdef TARGET_MIPS |
1030 | ||
1031 | #define MIPS_SYS(name, args) args, | |
1032 | ||
1033 | static const uint8_t mips_syscall_args[] = { | |
1034 | MIPS_SYS(sys_syscall , 0) /* 4000 */ | |
1035 | MIPS_SYS(sys_exit , 1) | |
1036 | MIPS_SYS(sys_fork , 0) | |
1037 | MIPS_SYS(sys_read , 3) | |
1038 | MIPS_SYS(sys_write , 3) | |
1039 | MIPS_SYS(sys_open , 3) /* 4005 */ | |
1040 | MIPS_SYS(sys_close , 1) | |
1041 | MIPS_SYS(sys_waitpid , 3) | |
1042 | MIPS_SYS(sys_creat , 2) | |
1043 | MIPS_SYS(sys_link , 2) | |
1044 | MIPS_SYS(sys_unlink , 1) /* 4010 */ | |
1045 | MIPS_SYS(sys_execve , 0) | |
1046 | MIPS_SYS(sys_chdir , 1) | |
1047 | MIPS_SYS(sys_time , 1) | |
1048 | MIPS_SYS(sys_mknod , 3) | |
1049 | MIPS_SYS(sys_chmod , 2) /* 4015 */ | |
1050 | MIPS_SYS(sys_lchown , 3) | |
1051 | MIPS_SYS(sys_ni_syscall , 0) | |
1052 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ | |
1053 | MIPS_SYS(sys_lseek , 3) | |
1054 | MIPS_SYS(sys_getpid , 0) /* 4020 */ | |
1055 | MIPS_SYS(sys_mount , 5) | |
1056 | MIPS_SYS(sys_oldumount , 1) | |
1057 | MIPS_SYS(sys_setuid , 1) | |
1058 | MIPS_SYS(sys_getuid , 0) | |
1059 | MIPS_SYS(sys_stime , 1) /* 4025 */ | |
1060 | MIPS_SYS(sys_ptrace , 4) | |
1061 | MIPS_SYS(sys_alarm , 1) | |
1062 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ | |
1063 | MIPS_SYS(sys_pause , 0) | |
1064 | MIPS_SYS(sys_utime , 2) /* 4030 */ | |
1065 | MIPS_SYS(sys_ni_syscall , 0) | |
1066 | MIPS_SYS(sys_ni_syscall , 0) | |
1067 | MIPS_SYS(sys_access , 2) | |
1068 | MIPS_SYS(sys_nice , 1) | |
1069 | MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ | |
1070 | MIPS_SYS(sys_sync , 0) | |
1071 | MIPS_SYS(sys_kill , 2) | |
1072 | MIPS_SYS(sys_rename , 2) | |
1073 | MIPS_SYS(sys_mkdir , 2) | |
1074 | MIPS_SYS(sys_rmdir , 1) /* 4040 */ | |
1075 | MIPS_SYS(sys_dup , 1) | |
1076 | MIPS_SYS(sys_pipe , 0) | |
1077 | MIPS_SYS(sys_times , 1) | |
1078 | MIPS_SYS(sys_ni_syscall , 0) | |
1079 | MIPS_SYS(sys_brk , 1) /* 4045 */ | |
1080 | MIPS_SYS(sys_setgid , 1) | |
1081 | MIPS_SYS(sys_getgid , 0) | |
1082 | MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ | |
1083 | MIPS_SYS(sys_geteuid , 0) | |
1084 | MIPS_SYS(sys_getegid , 0) /* 4050 */ | |
1085 | MIPS_SYS(sys_acct , 0) | |
1086 | MIPS_SYS(sys_umount , 2) | |
1087 | MIPS_SYS(sys_ni_syscall , 0) | |
1088 | MIPS_SYS(sys_ioctl , 3) | |
1089 | MIPS_SYS(sys_fcntl , 3) /* 4055 */ | |
1090 | MIPS_SYS(sys_ni_syscall , 2) | |
1091 | MIPS_SYS(sys_setpgid , 2) | |
1092 | MIPS_SYS(sys_ni_syscall , 0) | |
1093 | MIPS_SYS(sys_olduname , 1) | |
1094 | MIPS_SYS(sys_umask , 1) /* 4060 */ | |
1095 | MIPS_SYS(sys_chroot , 1) | |
1096 | MIPS_SYS(sys_ustat , 2) | |
1097 | MIPS_SYS(sys_dup2 , 2) | |
1098 | MIPS_SYS(sys_getppid , 0) | |
1099 | MIPS_SYS(sys_getpgrp , 0) /* 4065 */ | |
1100 | MIPS_SYS(sys_setsid , 0) | |
1101 | MIPS_SYS(sys_sigaction , 3) | |
1102 | MIPS_SYS(sys_sgetmask , 0) | |
1103 | MIPS_SYS(sys_ssetmask , 1) | |
1104 | MIPS_SYS(sys_setreuid , 2) /* 4070 */ | |
1105 | MIPS_SYS(sys_setregid , 2) | |
1106 | MIPS_SYS(sys_sigsuspend , 0) | |
1107 | MIPS_SYS(sys_sigpending , 1) | |
1108 | MIPS_SYS(sys_sethostname , 2) | |
1109 | MIPS_SYS(sys_setrlimit , 2) /* 4075 */ | |
1110 | MIPS_SYS(sys_getrlimit , 2) | |
1111 | MIPS_SYS(sys_getrusage , 2) | |
1112 | MIPS_SYS(sys_gettimeofday, 2) | |
1113 | MIPS_SYS(sys_settimeofday, 2) | |
1114 | MIPS_SYS(sys_getgroups , 2) /* 4080 */ | |
1115 | MIPS_SYS(sys_setgroups , 2) | |
1116 | MIPS_SYS(sys_ni_syscall , 0) /* old_select */ | |
1117 | MIPS_SYS(sys_symlink , 2) | |
1118 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ | |
1119 | MIPS_SYS(sys_readlink , 3) /* 4085 */ | |
1120 | MIPS_SYS(sys_uselib , 1) | |
1121 | MIPS_SYS(sys_swapon , 2) | |
1122 | MIPS_SYS(sys_reboot , 3) | |
1123 | MIPS_SYS(old_readdir , 3) | |
1124 | MIPS_SYS(old_mmap , 6) /* 4090 */ | |
1125 | MIPS_SYS(sys_munmap , 2) | |
1126 | MIPS_SYS(sys_truncate , 2) | |
1127 | MIPS_SYS(sys_ftruncate , 2) | |
1128 | MIPS_SYS(sys_fchmod , 2) | |
1129 | MIPS_SYS(sys_fchown , 3) /* 4095 */ | |
1130 | MIPS_SYS(sys_getpriority , 2) | |
1131 | MIPS_SYS(sys_setpriority , 3) | |
1132 | MIPS_SYS(sys_ni_syscall , 0) | |
1133 | MIPS_SYS(sys_statfs , 2) | |
1134 | MIPS_SYS(sys_fstatfs , 2) /* 4100 */ | |
1135 | MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ | |
1136 | MIPS_SYS(sys_socketcall , 2) | |
1137 | MIPS_SYS(sys_syslog , 3) | |
1138 | MIPS_SYS(sys_setitimer , 3) | |
1139 | MIPS_SYS(sys_getitimer , 2) /* 4105 */ | |
1140 | MIPS_SYS(sys_newstat , 2) | |
1141 | MIPS_SYS(sys_newlstat , 2) | |
1142 | MIPS_SYS(sys_newfstat , 2) | |
1143 | MIPS_SYS(sys_uname , 1) | |
1144 | MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ | |
1145 | MIPS_SYS(sys_vhangup , 0) | |
1146 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ | |
1147 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ | |
1148 | MIPS_SYS(sys_wait4 , 4) | |
1149 | MIPS_SYS(sys_swapoff , 1) /* 4115 */ | |
1150 | MIPS_SYS(sys_sysinfo , 1) | |
1151 | MIPS_SYS(sys_ipc , 6) | |
1152 | MIPS_SYS(sys_fsync , 1) | |
1153 | MIPS_SYS(sys_sigreturn , 0) | |
1154 | MIPS_SYS(sys_clone , 0) /* 4120 */ | |
1155 | MIPS_SYS(sys_setdomainname, 2) | |
1156 | MIPS_SYS(sys_newuname , 1) | |
1157 | MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ | |
1158 | MIPS_SYS(sys_adjtimex , 1) | |
1159 | MIPS_SYS(sys_mprotect , 3) /* 4125 */ | |
1160 | MIPS_SYS(sys_sigprocmask , 3) | |
1161 | MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ | |
1162 | MIPS_SYS(sys_init_module , 5) | |
1163 | MIPS_SYS(sys_delete_module, 1) | |
1164 | MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ | |
1165 | MIPS_SYS(sys_quotactl , 0) | |
1166 | MIPS_SYS(sys_getpgid , 1) | |
1167 | MIPS_SYS(sys_fchdir , 1) | |
1168 | MIPS_SYS(sys_bdflush , 2) | |
1169 | MIPS_SYS(sys_sysfs , 3) /* 4135 */ | |
1170 | MIPS_SYS(sys_personality , 1) | |
1171 | MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ | |
1172 | MIPS_SYS(sys_setfsuid , 1) | |
1173 | MIPS_SYS(sys_setfsgid , 1) | |
1174 | MIPS_SYS(sys_llseek , 5) /* 4140 */ | |
1175 | MIPS_SYS(sys_getdents , 3) | |
1176 | MIPS_SYS(sys_select , 5) | |
1177 | MIPS_SYS(sys_flock , 2) | |
1178 | MIPS_SYS(sys_msync , 3) | |
1179 | MIPS_SYS(sys_readv , 3) /* 4145 */ | |
1180 | MIPS_SYS(sys_writev , 3) | |
1181 | MIPS_SYS(sys_cacheflush , 3) | |
1182 | MIPS_SYS(sys_cachectl , 3) | |
1183 | MIPS_SYS(sys_sysmips , 4) | |
1184 | MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ | |
1185 | MIPS_SYS(sys_getsid , 1) | |
1186 | MIPS_SYS(sys_fdatasync , 0) | |
1187 | MIPS_SYS(sys_sysctl , 1) | |
1188 | MIPS_SYS(sys_mlock , 2) | |
1189 | MIPS_SYS(sys_munlock , 2) /* 4155 */ | |
1190 | MIPS_SYS(sys_mlockall , 1) | |
1191 | MIPS_SYS(sys_munlockall , 0) | |
1192 | MIPS_SYS(sys_sched_setparam, 2) | |
1193 | MIPS_SYS(sys_sched_getparam, 2) | |
1194 | MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ | |
1195 | MIPS_SYS(sys_sched_getscheduler, 1) | |
1196 | MIPS_SYS(sys_sched_yield , 0) | |
1197 | MIPS_SYS(sys_sched_get_priority_max, 1) | |
1198 | MIPS_SYS(sys_sched_get_priority_min, 1) | |
1199 | MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ | |
1200 | MIPS_SYS(sys_nanosleep, 2) | |
1201 | MIPS_SYS(sys_mremap , 4) | |
1202 | MIPS_SYS(sys_accept , 3) | |
1203 | MIPS_SYS(sys_bind , 3) | |
1204 | MIPS_SYS(sys_connect , 3) /* 4170 */ | |
1205 | MIPS_SYS(sys_getpeername , 3) | |
1206 | MIPS_SYS(sys_getsockname , 3) | |
1207 | MIPS_SYS(sys_getsockopt , 5) | |
1208 | MIPS_SYS(sys_listen , 2) | |
1209 | MIPS_SYS(sys_recv , 4) /* 4175 */ | |
1210 | MIPS_SYS(sys_recvfrom , 6) | |
1211 | MIPS_SYS(sys_recvmsg , 3) | |
1212 | MIPS_SYS(sys_send , 4) | |
1213 | MIPS_SYS(sys_sendmsg , 3) | |
1214 | MIPS_SYS(sys_sendto , 6) /* 4180 */ | |
1215 | MIPS_SYS(sys_setsockopt , 5) | |
1216 | MIPS_SYS(sys_shutdown , 2) | |
1217 | MIPS_SYS(sys_socket , 3) | |
1218 | MIPS_SYS(sys_socketpair , 4) | |
1219 | MIPS_SYS(sys_setresuid , 3) /* 4185 */ | |
1220 | MIPS_SYS(sys_getresuid , 3) | |
1221 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ | |
1222 | MIPS_SYS(sys_poll , 3) | |
1223 | MIPS_SYS(sys_nfsservctl , 3) | |
1224 | MIPS_SYS(sys_setresgid , 3) /* 4190 */ | |
1225 | MIPS_SYS(sys_getresgid , 3) | |
1226 | MIPS_SYS(sys_prctl , 5) | |
1227 | MIPS_SYS(sys_rt_sigreturn, 0) | |
1228 | MIPS_SYS(sys_rt_sigaction, 4) | |
1229 | MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ | |
1230 | MIPS_SYS(sys_rt_sigpending, 2) | |
1231 | MIPS_SYS(sys_rt_sigtimedwait, 4) | |
1232 | MIPS_SYS(sys_rt_sigqueueinfo, 3) | |
1233 | MIPS_SYS(sys_rt_sigsuspend, 0) | |
1234 | MIPS_SYS(sys_pread64 , 6) /* 4200 */ | |
1235 | MIPS_SYS(sys_pwrite64 , 6) | |
1236 | MIPS_SYS(sys_chown , 3) | |
1237 | MIPS_SYS(sys_getcwd , 2) | |
1238 | MIPS_SYS(sys_capget , 2) | |
1239 | MIPS_SYS(sys_capset , 2) /* 4205 */ | |
1240 | MIPS_SYS(sys_sigaltstack , 0) | |
1241 | MIPS_SYS(sys_sendfile , 4) | |
1242 | MIPS_SYS(sys_ni_syscall , 0) | |
1243 | MIPS_SYS(sys_ni_syscall , 0) | |
1244 | MIPS_SYS(sys_mmap2 , 6) /* 4210 */ | |
1245 | MIPS_SYS(sys_truncate64 , 4) | |
1246 | MIPS_SYS(sys_ftruncate64 , 4) | |
1247 | MIPS_SYS(sys_stat64 , 2) | |
1248 | MIPS_SYS(sys_lstat64 , 2) | |
1249 | MIPS_SYS(sys_fstat64 , 2) /* 4215 */ | |
1250 | MIPS_SYS(sys_pivot_root , 2) | |
1251 | MIPS_SYS(sys_mincore , 3) | |
1252 | MIPS_SYS(sys_madvise , 3) | |
1253 | MIPS_SYS(sys_getdents64 , 3) | |
1254 | MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ | |
1255 | MIPS_SYS(sys_ni_syscall , 0) | |
1256 | MIPS_SYS(sys_gettid , 0) | |
1257 | MIPS_SYS(sys_readahead , 5) | |
1258 | MIPS_SYS(sys_setxattr , 5) | |
1259 | MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ | |
1260 | MIPS_SYS(sys_fsetxattr , 5) | |
1261 | MIPS_SYS(sys_getxattr , 4) | |
1262 | MIPS_SYS(sys_lgetxattr , 4) | |
1263 | MIPS_SYS(sys_fgetxattr , 4) | |
1264 | MIPS_SYS(sys_listxattr , 3) /* 4230 */ | |
1265 | MIPS_SYS(sys_llistxattr , 3) | |
1266 | MIPS_SYS(sys_flistxattr , 3) | |
1267 | MIPS_SYS(sys_removexattr , 2) | |
1268 | MIPS_SYS(sys_lremovexattr, 2) | |
1269 | MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ | |
1270 | MIPS_SYS(sys_tkill , 2) | |
1271 | MIPS_SYS(sys_sendfile64 , 5) | |
1272 | MIPS_SYS(sys_futex , 2) | |
1273 | MIPS_SYS(sys_sched_setaffinity, 3) | |
1274 | MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ | |
1275 | MIPS_SYS(sys_io_setup , 2) | |
1276 | MIPS_SYS(sys_io_destroy , 1) | |
1277 | MIPS_SYS(sys_io_getevents, 5) | |
1278 | MIPS_SYS(sys_io_submit , 3) | |
1279 | MIPS_SYS(sys_io_cancel , 3) /* 4245 */ | |
1280 | MIPS_SYS(sys_exit_group , 1) | |
1281 | MIPS_SYS(sys_lookup_dcookie, 3) | |
1282 | MIPS_SYS(sys_epoll_create, 1) | |
1283 | MIPS_SYS(sys_epoll_ctl , 4) | |
1284 | MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ | |
1285 | MIPS_SYS(sys_remap_file_pages, 5) | |
1286 | MIPS_SYS(sys_set_tid_address, 1) | |
1287 | MIPS_SYS(sys_restart_syscall, 0) | |
1288 | MIPS_SYS(sys_fadvise64_64, 7) | |
1289 | MIPS_SYS(sys_statfs64 , 3) /* 4255 */ | |
1290 | MIPS_SYS(sys_fstatfs64 , 2) | |
1291 | MIPS_SYS(sys_timer_create, 3) | |
1292 | MIPS_SYS(sys_timer_settime, 4) | |
1293 | MIPS_SYS(sys_timer_gettime, 2) | |
1294 | MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ | |
1295 | MIPS_SYS(sys_timer_delete, 1) | |
1296 | MIPS_SYS(sys_clock_settime, 2) | |
1297 | MIPS_SYS(sys_clock_gettime, 2) | |
1298 | MIPS_SYS(sys_clock_getres, 2) | |
1299 | MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ | |
1300 | MIPS_SYS(sys_tgkill , 3) | |
1301 | MIPS_SYS(sys_utimes , 2) | |
1302 | MIPS_SYS(sys_mbind , 4) | |
1303 | MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ | |
1304 | MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ | |
1305 | MIPS_SYS(sys_mq_open , 4) | |
1306 | MIPS_SYS(sys_mq_unlink , 1) | |
1307 | MIPS_SYS(sys_mq_timedsend, 5) | |
1308 | MIPS_SYS(sys_mq_timedreceive, 5) | |
1309 | MIPS_SYS(sys_mq_notify , 2) /* 4275 */ | |
1310 | MIPS_SYS(sys_mq_getsetattr, 3) | |
1311 | MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ | |
1312 | MIPS_SYS(sys_waitid , 4) | |
1313 | MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ | |
1314 | MIPS_SYS(sys_add_key , 5) | |
1315 | MIPS_SYS(sys_request_key , 4) | |
1316 | MIPS_SYS(sys_keyctl , 5) | |
6f5b89a0 | 1317 | MIPS_SYS(sys_set_thread_area, 1) |
048f6b4d FB |
1318 | }; |
1319 | ||
1320 | #undef MIPS_SYS | |
1321 | ||
1322 | void cpu_loop(CPUMIPSState *env) | |
1323 | { | |
1324 | target_siginfo_t info; | |
1325 | int trapnr, ret, nb_args; | |
1326 | unsigned int syscall_num; | |
1327 | target_ulong arg5, arg6, sp_reg; | |
1328 | ||
1329 | for(;;) { | |
1330 | trapnr = cpu_mips_exec(env); | |
1331 | switch(trapnr) { | |
1332 | case EXCP_SYSCALL: | |
1333 | { | |
1334 | syscall_num = env->gpr[2] - 4000; | |
106ec879 | 1335 | env->PC += 4; |
048f6b4d FB |
1336 | if (syscall_num >= sizeof(mips_syscall_args)) { |
1337 | ret = -ENOSYS; | |
1338 | } else { | |
1339 | nb_args = mips_syscall_args[syscall_num]; | |
1340 | if (nb_args >= 5) { | |
1341 | sp_reg = env->gpr[29]; | |
1342 | /* these arguments are taken from the stack */ | |
53a5960a | 1343 | arg5 = tgetl(sp_reg + 16); |
048f6b4d | 1344 | if (nb_args >= 6) { |
53a5960a | 1345 | arg6 = tgetl(sp_reg + 20); |
048f6b4d FB |
1346 | } else { |
1347 | arg6 = 0; | |
1348 | } | |
1349 | } else { | |
1350 | arg5 = 0; | |
1351 | arg6 = 0; | |
1352 | } | |
1353 | ret = do_syscall(env, | |
1354 | env->gpr[2], | |
1355 | env->gpr[4], | |
1356 | env->gpr[5], | |
1357 | env->gpr[6], | |
1358 | env->gpr[7], | |
1359 | arg5, | |
1360 | arg6); | |
1361 | } | |
048f6b4d FB |
1362 | if ((unsigned int)ret >= (unsigned int)(-1133)) { |
1363 | env->gpr[7] = 1; /* error flag */ | |
1364 | ret = -ret; | |
1365 | env->gpr[0] = ret; | |
1366 | env->gpr[2] = ret; | |
1367 | } else { | |
1368 | env->gpr[7] = 0; /* error flag */ | |
1369 | env->gpr[2] = ret; | |
1370 | } | |
1371 | } | |
1372 | break; | |
ca7c2b1b TS |
1373 | case EXCP_TLBL: |
1374 | case EXCP_TLBS: | |
6900e84b | 1375 | case EXCP_CpU: |
048f6b4d | 1376 | case EXCP_RI: |
bc1ad2de FB |
1377 | info.si_signo = TARGET_SIGILL; |
1378 | info.si_errno = 0; | |
1379 | info.si_code = 0; | |
1380 | queue_signal(info.si_signo, &info); | |
048f6b4d | 1381 | break; |
106ec879 FB |
1382 | case EXCP_INTERRUPT: |
1383 | /* just indicate that signals should be handled asap */ | |
1384 | break; | |
d08b2a28 PB |
1385 | case EXCP_DEBUG: |
1386 | { | |
1387 | int sig; | |
1388 | ||
1389 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1390 | if (sig) | |
1391 | { | |
1392 | info.si_signo = sig; | |
1393 | info.si_errno = 0; | |
1394 | info.si_code = TARGET_TRAP_BRKPT; | |
1395 | queue_signal(info.si_signo, &info); | |
1396 | } | |
1397 | } | |
1398 | break; | |
048f6b4d FB |
1399 | default: |
1400 | // error: | |
1401 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", | |
1402 | trapnr); | |
1403 | cpu_dump_state(env, stderr, fprintf, 0); | |
1404 | abort(); | |
1405 | } | |
1406 | process_pending_signals(env); | |
1407 | } | |
1408 | } | |
1409 | #endif | |
1410 | ||
fdf9b3e8 FB |
1411 | #ifdef TARGET_SH4 |
1412 | void cpu_loop (CPUState *env) | |
1413 | { | |
1414 | int trapnr, ret; | |
355fb23d | 1415 | target_siginfo_t info; |
fdf9b3e8 FB |
1416 | |
1417 | while (1) { | |
1418 | trapnr = cpu_sh4_exec (env); | |
1419 | ||
1420 | switch (trapnr) { | |
1421 | case 0x160: | |
1422 | ret = do_syscall(env, | |
9c2a9ea1 PB |
1423 | env->gregs[3], |
1424 | env->gregs[4], | |
1425 | env->gregs[5], | |
1426 | env->gregs[6], | |
1427 | env->gregs[7], | |
1428 | env->gregs[0], | |
fdf9b3e8 | 1429 | 0); |
9c2a9ea1 | 1430 | env->gregs[0] = ret; |
fdf9b3e8 FB |
1431 | env->pc += 2; |
1432 | break; | |
355fb23d PB |
1433 | case EXCP_DEBUG: |
1434 | { | |
1435 | int sig; | |
1436 | ||
1437 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1438 | if (sig) | |
1439 | { | |
1440 | info.si_signo = sig; | |
1441 | info.si_errno = 0; | |
1442 | info.si_code = TARGET_TRAP_BRKPT; | |
1443 | queue_signal(info.si_signo, &info); | |
1444 | } | |
1445 | } | |
1446 | break; | |
fdf9b3e8 FB |
1447 | default: |
1448 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
1449 | cpu_dump_state(env, stderr, fprintf, 0); | |
1450 | exit (1); | |
1451 | } | |
1452 | process_pending_signals (env); | |
1453 | } | |
1454 | } | |
1455 | #endif | |
1456 | ||
e6e5906b PB |
1457 | #ifdef TARGET_M68K |
1458 | ||
1459 | void cpu_loop(CPUM68KState *env) | |
1460 | { | |
1461 | int trapnr; | |
1462 | unsigned int n; | |
1463 | target_siginfo_t info; | |
1464 | TaskState *ts = env->opaque; | |
1465 | ||
1466 | for(;;) { | |
1467 | trapnr = cpu_m68k_exec(env); | |
1468 | switch(trapnr) { | |
1469 | case EXCP_ILLEGAL: | |
1470 | { | |
1471 | if (ts->sim_syscalls) { | |
1472 | uint16_t nr; | |
1473 | nr = lduw(env->pc + 2); | |
1474 | env->pc += 4; | |
1475 | do_m68k_simcall(env, nr); | |
1476 | } else { | |
1477 | goto do_sigill; | |
1478 | } | |
1479 | } | |
1480 | break; | |
1481 | case EXCP_HALTED: | |
1482 | /* Semihosing syscall. */ | |
1483 | env->pc += 2; | |
1484 | do_m68k_semihosting(env, env->dregs[0]); | |
1485 | break; | |
1486 | case EXCP_LINEA: | |
1487 | case EXCP_LINEF: | |
1488 | case EXCP_UNSUPPORTED: | |
1489 | do_sigill: | |
1490 | info.si_signo = SIGILL; | |
1491 | info.si_errno = 0; | |
1492 | info.si_code = TARGET_ILL_ILLOPN; | |
1493 | info._sifields._sigfault._addr = env->pc; | |
1494 | queue_signal(info.si_signo, &info); | |
1495 | break; | |
1496 | case EXCP_TRAP0: | |
1497 | { | |
1498 | ts->sim_syscalls = 0; | |
1499 | n = env->dregs[0]; | |
1500 | env->pc += 2; | |
1501 | env->dregs[0] = do_syscall(env, | |
1502 | n, | |
1503 | env->dregs[1], | |
1504 | env->dregs[2], | |
1505 | env->dregs[3], | |
1506 | env->dregs[4], | |
1507 | env->dregs[5], | |
1508 | env->dregs[6]); | |
1509 | } | |
1510 | break; | |
1511 | case EXCP_INTERRUPT: | |
1512 | /* just indicate that signals should be handled asap */ | |
1513 | break; | |
1514 | case EXCP_ACCESS: | |
1515 | { | |
1516 | info.si_signo = SIGSEGV; | |
1517 | info.si_errno = 0; | |
1518 | /* XXX: check env->error_code */ | |
1519 | info.si_code = TARGET_SEGV_MAPERR; | |
1520 | info._sifields._sigfault._addr = env->mmu.ar; | |
1521 | queue_signal(info.si_signo, &info); | |
1522 | } | |
1523 | break; | |
1524 | case EXCP_DEBUG: | |
1525 | { | |
1526 | int sig; | |
1527 | ||
1528 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1529 | if (sig) | |
1530 | { | |
1531 | info.si_signo = sig; | |
1532 | info.si_errno = 0; | |
1533 | info.si_code = TARGET_TRAP_BRKPT; | |
1534 | queue_signal(info.si_signo, &info); | |
1535 | } | |
1536 | } | |
1537 | break; | |
1538 | default: | |
1539 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", | |
1540 | trapnr); | |
1541 | cpu_dump_state(env, stderr, fprintf, 0); | |
1542 | abort(); | |
1543 | } | |
1544 | process_pending_signals(env); | |
1545 | } | |
1546 | } | |
1547 | #endif /* TARGET_M68K */ | |
1548 | ||
7a3148a9 JM |
1549 | #ifdef TARGET_ALPHA |
1550 | void cpu_loop (CPUState *env) | |
1551 | { | |
1552 | int trapnr, ret; | |
1553 | target_siginfo_t info; | |
1554 | ||
1555 | while (1) { | |
1556 | trapnr = cpu_alpha_exec (env); | |
1557 | ||
1558 | switch (trapnr) { | |
1559 | case EXCP_RESET: | |
1560 | fprintf(stderr, "Reset requested. Exit\n"); | |
1561 | exit(1); | |
1562 | break; | |
1563 | case EXCP_MCHK: | |
1564 | fprintf(stderr, "Machine check exception. Exit\n"); | |
1565 | exit(1); | |
1566 | break; | |
1567 | case EXCP_ARITH: | |
1568 | fprintf(stderr, "Arithmetic trap.\n"); | |
1569 | exit(1); | |
1570 | break; | |
1571 | case EXCP_HW_INTERRUPT: | |
1572 | fprintf(stderr, "External interrupt. Exit\n"); | |
1573 | exit(1); | |
1574 | break; | |
1575 | case EXCP_DFAULT: | |
1576 | fprintf(stderr, "MMU data fault\n"); | |
1577 | exit(1); | |
1578 | break; | |
1579 | case EXCP_DTB_MISS_PAL: | |
1580 | fprintf(stderr, "MMU data TLB miss in PALcode\n"); | |
1581 | exit(1); | |
1582 | break; | |
1583 | case EXCP_ITB_MISS: | |
1584 | fprintf(stderr, "MMU instruction TLB miss\n"); | |
1585 | exit(1); | |
1586 | break; | |
1587 | case EXCP_ITB_ACV: | |
1588 | fprintf(stderr, "MMU instruction access violation\n"); | |
1589 | exit(1); | |
1590 | break; | |
1591 | case EXCP_DTB_MISS_NATIVE: | |
1592 | fprintf(stderr, "MMU data TLB miss\n"); | |
1593 | exit(1); | |
1594 | break; | |
1595 | case EXCP_UNALIGN: | |
1596 | fprintf(stderr, "Unaligned access\n"); | |
1597 | exit(1); | |
1598 | break; | |
1599 | case EXCP_OPCDEC: | |
1600 | fprintf(stderr, "Invalid instruction\n"); | |
1601 | exit(1); | |
1602 | break; | |
1603 | case EXCP_FEN: | |
1604 | fprintf(stderr, "Floating-point not allowed\n"); | |
1605 | exit(1); | |
1606 | break; | |
1607 | case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1): | |
1608 | fprintf(stderr, "Call to PALcode\n"); | |
1609 | call_pal(env, (trapnr >> 6) | 0x80); | |
1610 | break; | |
1611 | case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1): | |
1612 | fprintf(stderr, "Priviledged call to PALcode\n"); | |
1613 | exit(1); | |
1614 | break; | |
1615 | case EXCP_DEBUG: | |
1616 | { | |
1617 | int sig; | |
1618 | ||
1619 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1620 | if (sig) | |
1621 | { | |
1622 | info.si_signo = sig; | |
1623 | info.si_errno = 0; | |
1624 | info.si_code = TARGET_TRAP_BRKPT; | |
1625 | queue_signal(info.si_signo, &info); | |
1626 | } | |
1627 | } | |
1628 | break; | |
1629 | default: | |
1630 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
1631 | cpu_dump_state(env, stderr, fprintf, 0); | |
1632 | exit (1); | |
1633 | } | |
1634 | process_pending_signals (env); | |
1635 | } | |
1636 | } | |
1637 | #endif /* TARGET_ALPHA */ | |
1638 | ||
31e31b8a FB |
1639 | void usage(void) |
1640 | { | |
84f2e8ef | 1641 | printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n" |
b1f9be31 | 1642 | "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n" |
b346ff46 | 1643 | "Linux CPU emulator (compiled for %s emulation)\n" |
d691f669 | 1644 | "\n" |
54936004 | 1645 | "-h print this help\n" |
74c33bed | 1646 | "-g port wait gdb connection to port\n" |
b346ff46 FB |
1647 | "-L path set the elf interpreter prefix (default=%s)\n" |
1648 | "-s size set the stack size in bytes (default=%ld)\n" | |
b1f9be31 | 1649 | "-cpu model select CPU (-cpu ? for list)\n" |
54936004 FB |
1650 | "\n" |
1651 | "debug options:\n" | |
c6981055 FB |
1652 | #ifdef USE_CODE_COPY |
1653 | "-no-code-copy disable code copy acceleration\n" | |
1654 | #endif | |
6f1f31c0 | 1655 | "-d options activate log (logfile=%s)\n" |
54936004 | 1656 | "-p pagesize set the host page size to 'pagesize'\n", |
b346ff46 | 1657 | TARGET_ARCH, |
d691f669 | 1658 | interp_prefix, |
54936004 FB |
1659 | x86_stack_size, |
1660 | DEBUG_LOGFILE); | |
74cd30b8 | 1661 | _exit(1); |
31e31b8a FB |
1662 | } |
1663 | ||
9de5e440 | 1664 | /* XXX: currently only used for async signals (see signal.c) */ |
b346ff46 | 1665 | CPUState *global_env; |
59faf6d6 | 1666 | |
851e67a1 FB |
1667 | /* used to free thread contexts */ |
1668 | TaskState *first_task_state; | |
9de5e440 | 1669 | |
31e31b8a FB |
1670 | int main(int argc, char **argv) |
1671 | { | |
1672 | const char *filename; | |
b1f9be31 | 1673 | const char *cpu_model; |
01ffc75b | 1674 | struct target_pt_regs regs1, *regs = ®s1; |
31e31b8a | 1675 | struct image_info info1, *info = &info1; |
851e67a1 | 1676 | TaskState ts1, *ts = &ts1; |
b346ff46 | 1677 | CPUState *env; |
586314f2 | 1678 | int optind; |
d691f669 | 1679 | const char *r; |
74c33bed | 1680 | int gdbstub_port = 0; |
d691f669 | 1681 | |
31e31b8a FB |
1682 | if (argc <= 1) |
1683 | usage(); | |
f801f97e | 1684 | |
cc38b844 FB |
1685 | /* init debug */ |
1686 | cpu_set_log_filename(DEBUG_LOGFILE); | |
1687 | ||
b1f9be31 | 1688 | cpu_model = NULL; |
586314f2 | 1689 | optind = 1; |
d691f669 FB |
1690 | for(;;) { |
1691 | if (optind >= argc) | |
1692 | break; | |
1693 | r = argv[optind]; | |
1694 | if (r[0] != '-') | |
1695 | break; | |
586314f2 | 1696 | optind++; |
d691f669 FB |
1697 | r++; |
1698 | if (!strcmp(r, "-")) { | |
1699 | break; | |
1700 | } else if (!strcmp(r, "d")) { | |
e19e89a5 FB |
1701 | int mask; |
1702 | CPULogItem *item; | |
6f1f31c0 FB |
1703 | |
1704 | if (optind >= argc) | |
1705 | break; | |
e19e89a5 | 1706 | |
6f1f31c0 FB |
1707 | r = argv[optind++]; |
1708 | mask = cpu_str_to_log_mask(r); | |
e19e89a5 FB |
1709 | if (!mask) { |
1710 | printf("Log items (comma separated):\n"); | |
1711 | for(item = cpu_log_items; item->mask != 0; item++) { | |
1712 | printf("%-10s %s\n", item->name, item->help); | |
1713 | } | |
1714 | exit(1); | |
1715 | } | |
1716 | cpu_set_log(mask); | |
d691f669 FB |
1717 | } else if (!strcmp(r, "s")) { |
1718 | r = argv[optind++]; | |
1719 | x86_stack_size = strtol(r, (char **)&r, 0); | |
1720 | if (x86_stack_size <= 0) | |
1721 | usage(); | |
1722 | if (*r == 'M') | |
1723 | x86_stack_size *= 1024 * 1024; | |
1724 | else if (*r == 'k' || *r == 'K') | |
1725 | x86_stack_size *= 1024; | |
1726 | } else if (!strcmp(r, "L")) { | |
1727 | interp_prefix = argv[optind++]; | |
54936004 | 1728 | } else if (!strcmp(r, "p")) { |
83fb7adf FB |
1729 | qemu_host_page_size = atoi(argv[optind++]); |
1730 | if (qemu_host_page_size == 0 || | |
1731 | (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { | |
54936004 FB |
1732 | fprintf(stderr, "page size must be a power of two\n"); |
1733 | exit(1); | |
1734 | } | |
1fddef4b | 1735 | } else if (!strcmp(r, "g")) { |
74c33bed | 1736 | gdbstub_port = atoi(argv[optind++]); |
c5937220 PB |
1737 | } else if (!strcmp(r, "r")) { |
1738 | qemu_uname_release = argv[optind++]; | |
b1f9be31 JM |
1739 | } else if (!strcmp(r, "cpu")) { |
1740 | cpu_model = argv[optind++]; | |
1741 | if (strcmp(cpu_model, "?") == 0) { | |
1742 | #if defined(TARGET_PPC) | |
1743 | ppc_cpu_list(stdout, &fprintf); | |
1744 | #elif defined(TARGET_ARM) | |
1745 | arm_cpu_list(); | |
1746 | #elif defined(TARGET_MIPS) | |
1747 | mips_cpu_list(stdout, &fprintf); | |
925fb139 BS |
1748 | #elif defined(TARGET_SPARC) |
1749 | sparc_cpu_list(stdout, &fprintf); | |
b1f9be31 | 1750 | #endif |
cff4cbed | 1751 | _exit(1); |
b1f9be31 | 1752 | } |
c6981055 FB |
1753 | } else |
1754 | #ifdef USE_CODE_COPY | |
1755 | if (!strcmp(r, "no-code-copy")) { | |
1756 | code_copy_enabled = 0; | |
1757 | } else | |
1758 | #endif | |
1759 | { | |
d691f669 FB |
1760 | usage(); |
1761 | } | |
586314f2 | 1762 | } |
d691f669 FB |
1763 | if (optind >= argc) |
1764 | usage(); | |
586314f2 FB |
1765 | filename = argv[optind]; |
1766 | ||
31e31b8a | 1767 | /* Zero out regs */ |
01ffc75b | 1768 | memset(regs, 0, sizeof(struct target_pt_regs)); |
31e31b8a FB |
1769 | |
1770 | /* Zero out image_info */ | |
1771 | memset(info, 0, sizeof(struct image_info)); | |
1772 | ||
74cd30b8 FB |
1773 | /* Scan interp_prefix dir for replacement files. */ |
1774 | init_paths(interp_prefix); | |
1775 | ||
83fb7adf FB |
1776 | /* NOTE: we need to init the CPU at this stage to get |
1777 | qemu_host_page_size */ | |
b346ff46 | 1778 | env = cpu_init(); |
15338fd7 | 1779 | global_env = env; |
92ccca6a | 1780 | |
e5fe0c52 | 1781 | if (loader_exec(filename, argv+optind, environ, regs, info) != 0) { |
31e31b8a | 1782 | printf("Error loading %s\n", filename); |
74cd30b8 | 1783 | _exit(1); |
31e31b8a FB |
1784 | } |
1785 | ||
4b74fe1f | 1786 | if (loglevel) { |
54936004 FB |
1787 | page_dump(logfile); |
1788 | ||
4b74fe1f FB |
1789 | fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk); |
1790 | fprintf(logfile, "end_code 0x%08lx\n" , info->end_code); | |
1791 | fprintf(logfile, "start_code 0x%08lx\n" , info->start_code); | |
e5fe0c52 | 1792 | fprintf(logfile, "start_data 0x%08lx\n" , info->start_data); |
4b74fe1f FB |
1793 | fprintf(logfile, "end_data 0x%08lx\n" , info->end_data); |
1794 | fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack); | |
1795 | fprintf(logfile, "brk 0x%08lx\n" , info->brk); | |
b346ff46 | 1796 | fprintf(logfile, "entry 0x%08lx\n" , info->entry); |
4b74fe1f | 1797 | } |
31e31b8a | 1798 | |
53a5960a | 1799 | target_set_brk(info->brk); |
31e31b8a | 1800 | syscall_init(); |
66fb9763 | 1801 | signal_init(); |
31e31b8a | 1802 | |
851e67a1 FB |
1803 | /* build Task State */ |
1804 | memset(ts, 0, sizeof(TaskState)); | |
1805 | env->opaque = ts; | |
1806 | ts->used = 1; | |
978efd6a | 1807 | ts->info = info; |
59faf6d6 | 1808 | env->user_mode_only = 1; |
851e67a1 | 1809 | |
b346ff46 | 1810 | #if defined(TARGET_I386) |
2e255c6b FB |
1811 | cpu_x86_set_cpl(env, 3); |
1812 | ||
3802ce26 | 1813 | env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; |
1bde465e FB |
1814 | env->hflags |= HF_PE_MASK; |
1815 | if (env->cpuid_features & CPUID_SSE) { | |
1816 | env->cr[4] |= CR4_OSFXSR_MASK; | |
1817 | env->hflags |= HF_OSFXSR_MASK; | |
1818 | } | |
1819 | ||
415e561f FB |
1820 | /* flags setup : we activate the IRQs by default as in user mode */ |
1821 | env->eflags |= IF_MASK; | |
1822 | ||
6dbad63e | 1823 | /* linux register setup */ |
84409ddb JM |
1824 | #if defined(TARGET_X86_64) |
1825 | env->regs[R_EAX] = regs->rax; | |
1826 | env->regs[R_EBX] = regs->rbx; | |
1827 | env->regs[R_ECX] = regs->rcx; | |
1828 | env->regs[R_EDX] = regs->rdx; | |
1829 | env->regs[R_ESI] = regs->rsi; | |
1830 | env->regs[R_EDI] = regs->rdi; | |
1831 | env->regs[R_EBP] = regs->rbp; | |
1832 | env->regs[R_ESP] = regs->rsp; | |
1833 | env->eip = regs->rip; | |
1834 | #else | |
0ecfa993 FB |
1835 | env->regs[R_EAX] = regs->eax; |
1836 | env->regs[R_EBX] = regs->ebx; | |
1837 | env->regs[R_ECX] = regs->ecx; | |
1838 | env->regs[R_EDX] = regs->edx; | |
1839 | env->regs[R_ESI] = regs->esi; | |
1840 | env->regs[R_EDI] = regs->edi; | |
1841 | env->regs[R_EBP] = regs->ebp; | |
1842 | env->regs[R_ESP] = regs->esp; | |
dab2ed99 | 1843 | env->eip = regs->eip; |
84409ddb | 1844 | #endif |
31e31b8a | 1845 | |
f4beb510 | 1846 | /* linux interrupt setup */ |
53a5960a | 1847 | env->idt.base = h2g(idt_table); |
f4beb510 FB |
1848 | env->idt.limit = sizeof(idt_table) - 1; |
1849 | set_idt(0, 0); | |
1850 | set_idt(1, 0); | |
1851 | set_idt(2, 0); | |
1852 | set_idt(3, 3); | |
1853 | set_idt(4, 3); | |
1854 | set_idt(5, 3); | |
1855 | set_idt(6, 0); | |
1856 | set_idt(7, 0); | |
1857 | set_idt(8, 0); | |
1858 | set_idt(9, 0); | |
1859 | set_idt(10, 0); | |
1860 | set_idt(11, 0); | |
1861 | set_idt(12, 0); | |
1862 | set_idt(13, 0); | |
1863 | set_idt(14, 0); | |
1864 | set_idt(15, 0); | |
1865 | set_idt(16, 0); | |
1866 | set_idt(17, 0); | |
1867 | set_idt(18, 0); | |
1868 | set_idt(19, 0); | |
1869 | set_idt(0x80, 3); | |
1870 | ||
6dbad63e | 1871 | /* linux segment setup */ |
53a5960a | 1872 | env->gdt.base = h2g(gdt_table); |
6dbad63e | 1873 | env->gdt.limit = sizeof(gdt_table) - 1; |
f4beb510 FB |
1874 | write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, |
1875 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
1876 | (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); | |
1877 | write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, | |
1878 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
1879 | (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); | |
6dbad63e FB |
1880 | cpu_x86_load_seg(env, R_CS, __USER_CS); |
1881 | cpu_x86_load_seg(env, R_DS, __USER_DS); | |
1882 | cpu_x86_load_seg(env, R_ES, __USER_DS); | |
1883 | cpu_x86_load_seg(env, R_SS, __USER_DS); | |
1884 | cpu_x86_load_seg(env, R_FS, __USER_DS); | |
1885 | cpu_x86_load_seg(env, R_GS, __USER_DS); | |
92ccca6a | 1886 | |
b346ff46 FB |
1887 | #elif defined(TARGET_ARM) |
1888 | { | |
1889 | int i; | |
b1f9be31 JM |
1890 | if (cpu_model == NULL) |
1891 | cpu_model = "arm926"; | |
1892 | cpu_arm_set_model(env, cpu_model); | |
b5ff1b31 | 1893 | cpsr_write(env, regs->uregs[16], 0xffffffff); |
b346ff46 FB |
1894 | for(i = 0; i < 16; i++) { |
1895 | env->regs[i] = regs->uregs[i]; | |
1896 | } | |
a4f81979 FB |
1897 | ts->stack_base = info->start_stack; |
1898 | ts->heap_base = info->brk; | |
1899 | /* This will be filled in on the first SYS_HEAPINFO call. */ | |
1900 | ts->heap_limit = 0; | |
b346ff46 | 1901 | } |
93ac68bc | 1902 | #elif defined(TARGET_SPARC) |
060366c5 FB |
1903 | { |
1904 | int i; | |
925fb139 BS |
1905 | const sparc_def_t *def; |
1906 | #ifdef TARGET_SPARC64 | |
1907 | if (cpu_model == NULL) | |
1908 | cpu_model = "TI UltraSparc II"; | |
1909 | #else | |
1910 | if (cpu_model == NULL) | |
1911 | cpu_model = "Fujitsu MB86904"; | |
1912 | #endif | |
1913 | sparc_find_by_name(cpu_model, &def); | |
1914 | if (def == NULL) { | |
1915 | fprintf(stderr, "Unable to find Sparc CPU definition\n"); | |
1916 | exit(1); | |
1917 | } | |
1918 | cpu_sparc_register(env, def); | |
060366c5 FB |
1919 | env->pc = regs->pc; |
1920 | env->npc = regs->npc; | |
1921 | env->y = regs->y; | |
1922 | for(i = 0; i < 8; i++) | |
1923 | env->gregs[i] = regs->u_regs[i]; | |
1924 | for(i = 0; i < 8; i++) | |
1925 | env->regwptr[i] = regs->u_regs[i + 8]; | |
1926 | } | |
67867308 FB |
1927 | #elif defined(TARGET_PPC) |
1928 | { | |
3fc6c082 | 1929 | ppc_def_t *def; |
67867308 | 1930 | int i; |
3fc6c082 FB |
1931 | |
1932 | /* Choose and initialise CPU */ | |
b1f9be31 JM |
1933 | if (cpu_model == NULL) |
1934 | cpu_model = "750"; | |
1935 | ppc_find_by_name(cpu_model, &def); | |
3fc6c082 | 1936 | if (def == NULL) { |
c68ea704 | 1937 | cpu_abort(env, |
3fc6c082 FB |
1938 | "Unable to find PowerPC CPU definition\n"); |
1939 | } | |
c68ea704 | 1940 | cpu_ppc_register(env, def); |
3fc6c082 | 1941 | |
61190b14 | 1942 | for (i = 0; i < 32; i++) { |
4c2e770f | 1943 | if (i != 12 && i != 6 && i != 13) |
61190b14 FB |
1944 | env->msr[i] = (regs->msr >> i) & 1; |
1945 | } | |
84409ddb JM |
1946 | #if defined(TARGET_PPC64) |
1947 | msr_sf = 1; | |
1948 | #endif | |
67867308 FB |
1949 | env->nip = regs->nip; |
1950 | for(i = 0; i < 32; i++) { | |
1951 | env->gpr[i] = regs->gpr[i]; | |
1952 | } | |
1953 | } | |
e6e5906b PB |
1954 | #elif defined(TARGET_M68K) |
1955 | { | |
1956 | m68k_def_t *def; | |
1957 | def = m68k_find_by_name("cfv4e"); | |
1958 | if (def == NULL) { | |
1959 | cpu_abort(cpu_single_env, | |
1960 | "Unable to find m68k CPU definition\n"); | |
1961 | } | |
1962 | cpu_m68k_register(cpu_single_env, def); | |
1963 | env->pc = regs->pc; | |
1964 | env->dregs[0] = regs->d0; | |
1965 | env->dregs[1] = regs->d1; | |
1966 | env->dregs[2] = regs->d2; | |
1967 | env->dregs[3] = regs->d3; | |
1968 | env->dregs[4] = regs->d4; | |
1969 | env->dregs[5] = regs->d5; | |
1970 | env->dregs[6] = regs->d6; | |
1971 | env->dregs[7] = regs->d7; | |
1972 | env->aregs[0] = regs->a0; | |
1973 | env->aregs[1] = regs->a1; | |
1974 | env->aregs[2] = regs->a2; | |
1975 | env->aregs[3] = regs->a3; | |
1976 | env->aregs[4] = regs->a4; | |
1977 | env->aregs[5] = regs->a5; | |
1978 | env->aregs[6] = regs->a6; | |
1979 | env->aregs[7] = regs->usp; | |
1980 | env->sr = regs->sr; | |
1981 | ts->sim_syscalls = 1; | |
1982 | } | |
048f6b4d FB |
1983 | #elif defined(TARGET_MIPS) |
1984 | { | |
cff4cbed | 1985 | mips_def_t *def; |
048f6b4d FB |
1986 | int i; |
1987 | ||
cff4cbed TS |
1988 | /* Choose and initialise CPU */ |
1989 | if (cpu_model == NULL) | |
1990 | cpu_model = "24Kf"; | |
1991 | mips_find_by_name(cpu_model, &def); | |
1992 | if (def == NULL) | |
1993 | cpu_abort(env, "Unable to find MIPS CPU definition\n"); | |
1994 | cpu_mips_register(env, def); | |
1995 | ||
048f6b4d FB |
1996 | for(i = 0; i < 32; i++) { |
1997 | env->gpr[i] = regs->regs[i]; | |
1998 | } | |
1999 | env->PC = regs->cp0_epc; | |
36d23958 TS |
2000 | if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
2001 | env->CP0_Status |= (1 << CP0St_CU1); | |
2002 | } | |
048f6b4d | 2003 | } |
fdf9b3e8 FB |
2004 | #elif defined(TARGET_SH4) |
2005 | { | |
2006 | int i; | |
2007 | ||
2008 | for(i = 0; i < 16; i++) { | |
2009 | env->gregs[i] = regs->regs[i]; | |
2010 | } | |
2011 | env->pc = regs->pc; | |
2012 | } | |
7a3148a9 JM |
2013 | #elif defined(TARGET_ALPHA) |
2014 | { | |
2015 | int i; | |
2016 | ||
2017 | for(i = 0; i < 28; i++) { | |
2018 | env->ir[i] = ((target_ulong *)regs)[i]; | |
2019 | } | |
2020 | env->ipr[IPR_USP] = regs->usp; | |
2021 | env->ir[30] = regs->usp; | |
2022 | env->pc = regs->pc; | |
2023 | env->unique = regs->unique; | |
2024 | } | |
b346ff46 FB |
2025 | #else |
2026 | #error unsupported target CPU | |
2027 | #endif | |
31e31b8a | 2028 | |
74c33bed FB |
2029 | if (gdbstub_port) { |
2030 | gdbserver_start (gdbstub_port); | |
1fddef4b FB |
2031 | gdb_handlesig(env, 0); |
2032 | } | |
1b6b029e FB |
2033 | cpu_loop(env); |
2034 | /* never exits */ | |
31e31b8a FB |
2035 | return 0; |
2036 | } |