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Commit | Line | Data |
---|---|---|
31e31b8a | 1 | /* |
93ac68bc | 2 | * qemu user main |
5fafdf24 | 3 | * |
68d0f70e | 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
31e31b8a FB |
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 | |
8167ee88 | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
31e31b8a FB |
18 | */ |
19 | #include <stdlib.h> | |
20 | #include <stdio.h> | |
21 | #include <stdarg.h> | |
04369ff2 | 22 | #include <string.h> |
31e31b8a | 23 | #include <errno.h> |
0ecfa993 | 24 | #include <unistd.h> |
e441570f | 25 | #include <sys/mman.h> |
edf8e2af | 26 | #include <sys/syscall.h> |
703e0e89 | 27 | #include <sys/resource.h> |
31e31b8a | 28 | |
3ef693a0 | 29 | #include "qemu.h" |
ca10f867 | 30 | #include "qemu-common.h" |
902b3d5c | 31 | #include "cache-utils.h" |
2b41f10e | 32 | #include "cpu.h" |
9002ec79 | 33 | #include "tcg.h" |
29e922b6 | 34 | #include "qemu-timer.h" |
04a6dfeb | 35 | #include "envlist.h" |
d8fd2954 | 36 | #include "elf.h" |
04a6dfeb | 37 | |
3ef693a0 | 38 | #define DEBUG_LOGFILE "/tmp/qemu.log" |
586314f2 | 39 | |
d088d664 AJ |
40 | char *exec_path; |
41 | ||
1b530a6d | 42 | int singlestep; |
fc9c5412 JS |
43 | const char *filename; |
44 | const char *argv0; | |
45 | int gdbstub_port; | |
46 | envlist_t *envlist; | |
47 | const char *cpu_model; | |
379f6698 | 48 | unsigned long mmap_min_addr; |
14f24e14 | 49 | #if defined(CONFIG_USE_GUEST_BASE) |
379f6698 PB |
50 | unsigned long guest_base; |
51 | int have_guest_base; | |
288e65b9 AG |
52 | #if (TARGET_LONG_BITS == 32) && (HOST_LONG_BITS == 64) |
53 | /* | |
54 | * When running 32-on-64 we should make sure we can fit all of the possible | |
55 | * guest address space into a contiguous chunk of virtual host memory. | |
56 | * | |
57 | * This way we will never overlap with our own libraries or binaries or stack | |
58 | * or anything else that QEMU maps. | |
59 | */ | |
60 | unsigned long reserved_va = 0xf7000000; | |
61 | #else | |
68a1c816 | 62 | unsigned long reserved_va; |
379f6698 | 63 | #endif |
288e65b9 | 64 | #endif |
1b530a6d | 65 | |
fc9c5412 JS |
66 | static void usage(void); |
67 | ||
7ee2822c | 68 | static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX; |
c5937220 | 69 | const char *qemu_uname_release = CONFIG_UNAME_RELEASE; |
586314f2 | 70 | |
9de5e440 FB |
71 | /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so |
72 | we allocate a bigger stack. Need a better solution, for example | |
73 | by remapping the process stack directly at the right place */ | |
703e0e89 | 74 | unsigned long guest_stack_size = 8 * 1024 * 1024UL; |
31e31b8a FB |
75 | |
76 | void gemu_log(const char *fmt, ...) | |
77 | { | |
78 | va_list ap; | |
79 | ||
80 | va_start(ap, fmt); | |
81 | vfprintf(stderr, fmt, ap); | |
82 | va_end(ap); | |
83 | } | |
84 | ||
8fcd3692 | 85 | #if defined(TARGET_I386) |
05390248 | 86 | int cpu_get_pic_interrupt(CPUX86State *env) |
92ccca6a FB |
87 | { |
88 | return -1; | |
89 | } | |
8fcd3692 | 90 | #endif |
92ccca6a | 91 | |
28ab0e2e FB |
92 | /* timers for rdtsc */ |
93 | ||
1dce7c3c | 94 | #if 0 |
28ab0e2e FB |
95 | |
96 | static uint64_t emu_time; | |
97 | ||
98 | int64_t cpu_get_real_ticks(void) | |
99 | { | |
100 | return emu_time++; | |
101 | } | |
102 | ||
103 | #endif | |
104 | ||
2f7bb878 | 105 | #if defined(CONFIG_USE_NPTL) |
d5975363 PB |
106 | /***********************************************************/ |
107 | /* Helper routines for implementing atomic operations. */ | |
108 | ||
109 | /* To implement exclusive operations we force all cpus to syncronise. | |
110 | We don't require a full sync, only that no cpus are executing guest code. | |
111 | The alternative is to map target atomic ops onto host equivalents, | |
112 | which requires quite a lot of per host/target work. */ | |
c2764719 | 113 | static pthread_mutex_t cpu_list_mutex = PTHREAD_MUTEX_INITIALIZER; |
d5975363 PB |
114 | static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER; |
115 | static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER; | |
116 | static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER; | |
117 | static int pending_cpus; | |
118 | ||
119 | /* Make sure everything is in a consistent state for calling fork(). */ | |
120 | void fork_start(void) | |
121 | { | |
d5975363 PB |
122 | pthread_mutex_lock(&tb_lock); |
123 | pthread_mutex_lock(&exclusive_lock); | |
d032d1b4 | 124 | mmap_fork_start(); |
d5975363 PB |
125 | } |
126 | ||
127 | void fork_end(int child) | |
128 | { | |
d032d1b4 | 129 | mmap_fork_end(child); |
d5975363 PB |
130 | if (child) { |
131 | /* Child processes created by fork() only have a single thread. | |
132 | Discard information about the parent threads. */ | |
133 | first_cpu = thread_env; | |
134 | thread_env->next_cpu = NULL; | |
135 | pending_cpus = 0; | |
136 | pthread_mutex_init(&exclusive_lock, NULL); | |
c2764719 | 137 | pthread_mutex_init(&cpu_list_mutex, NULL); |
d5975363 PB |
138 | pthread_cond_init(&exclusive_cond, NULL); |
139 | pthread_cond_init(&exclusive_resume, NULL); | |
140 | pthread_mutex_init(&tb_lock, NULL); | |
2b1319c8 | 141 | gdbserver_fork(thread_env); |
d5975363 PB |
142 | } else { |
143 | pthread_mutex_unlock(&exclusive_lock); | |
144 | pthread_mutex_unlock(&tb_lock); | |
145 | } | |
d5975363 PB |
146 | } |
147 | ||
148 | /* Wait for pending exclusive operations to complete. The exclusive lock | |
149 | must be held. */ | |
150 | static inline void exclusive_idle(void) | |
151 | { | |
152 | while (pending_cpus) { | |
153 | pthread_cond_wait(&exclusive_resume, &exclusive_lock); | |
154 | } | |
155 | } | |
156 | ||
157 | /* Start an exclusive operation. | |
158 | Must only be called from outside cpu_arm_exec. */ | |
159 | static inline void start_exclusive(void) | |
160 | { | |
9349b4f9 | 161 | CPUArchState *other; |
d5975363 PB |
162 | pthread_mutex_lock(&exclusive_lock); |
163 | exclusive_idle(); | |
164 | ||
165 | pending_cpus = 1; | |
166 | /* Make all other cpus stop executing. */ | |
167 | for (other = first_cpu; other; other = other->next_cpu) { | |
168 | if (other->running) { | |
169 | pending_cpus++; | |
3098dba0 | 170 | cpu_exit(other); |
d5975363 PB |
171 | } |
172 | } | |
173 | if (pending_cpus > 1) { | |
174 | pthread_cond_wait(&exclusive_cond, &exclusive_lock); | |
175 | } | |
176 | } | |
177 | ||
178 | /* Finish an exclusive operation. */ | |
179 | static inline void end_exclusive(void) | |
180 | { | |
181 | pending_cpus = 0; | |
182 | pthread_cond_broadcast(&exclusive_resume); | |
183 | pthread_mutex_unlock(&exclusive_lock); | |
184 | } | |
185 | ||
186 | /* Wait for exclusive ops to finish, and begin cpu execution. */ | |
9349b4f9 | 187 | static inline void cpu_exec_start(CPUArchState *env) |
d5975363 PB |
188 | { |
189 | pthread_mutex_lock(&exclusive_lock); | |
190 | exclusive_idle(); | |
191 | env->running = 1; | |
192 | pthread_mutex_unlock(&exclusive_lock); | |
193 | } | |
194 | ||
195 | /* Mark cpu as not executing, and release pending exclusive ops. */ | |
9349b4f9 | 196 | static inline void cpu_exec_end(CPUArchState *env) |
d5975363 PB |
197 | { |
198 | pthread_mutex_lock(&exclusive_lock); | |
199 | env->running = 0; | |
200 | if (pending_cpus > 1) { | |
201 | pending_cpus--; | |
202 | if (pending_cpus == 1) { | |
203 | pthread_cond_signal(&exclusive_cond); | |
204 | } | |
205 | } | |
206 | exclusive_idle(); | |
207 | pthread_mutex_unlock(&exclusive_lock); | |
208 | } | |
c2764719 PB |
209 | |
210 | void cpu_list_lock(void) | |
211 | { | |
212 | pthread_mutex_lock(&cpu_list_mutex); | |
213 | } | |
214 | ||
215 | void cpu_list_unlock(void) | |
216 | { | |
217 | pthread_mutex_unlock(&cpu_list_mutex); | |
218 | } | |
2f7bb878 | 219 | #else /* if !CONFIG_USE_NPTL */ |
d5975363 | 220 | /* These are no-ops because we are not threadsafe. */ |
9349b4f9 | 221 | static inline void cpu_exec_start(CPUArchState *env) |
d5975363 PB |
222 | { |
223 | } | |
224 | ||
9349b4f9 | 225 | static inline void cpu_exec_end(CPUArchState *env) |
d5975363 PB |
226 | { |
227 | } | |
228 | ||
229 | static inline void start_exclusive(void) | |
230 | { | |
231 | } | |
232 | ||
233 | static inline void end_exclusive(void) | |
234 | { | |
235 | } | |
236 | ||
237 | void fork_start(void) | |
238 | { | |
239 | } | |
240 | ||
241 | void fork_end(int child) | |
242 | { | |
2b1319c8 AJ |
243 | if (child) { |
244 | gdbserver_fork(thread_env); | |
245 | } | |
d5975363 | 246 | } |
c2764719 PB |
247 | |
248 | void cpu_list_lock(void) | |
249 | { | |
250 | } | |
251 | ||
252 | void cpu_list_unlock(void) | |
253 | { | |
254 | } | |
d5975363 PB |
255 | #endif |
256 | ||
257 | ||
a541f297 FB |
258 | #ifdef TARGET_I386 |
259 | /***********************************************************/ | |
260 | /* CPUX86 core interface */ | |
261 | ||
05390248 | 262 | void cpu_smm_update(CPUX86State *env) |
02a1602e FB |
263 | { |
264 | } | |
265 | ||
28ab0e2e FB |
266 | uint64_t cpu_get_tsc(CPUX86State *env) |
267 | { | |
268 | return cpu_get_real_ticks(); | |
269 | } | |
270 | ||
5fafdf24 | 271 | static void write_dt(void *ptr, unsigned long addr, unsigned long limit, |
f4beb510 | 272 | int flags) |
6dbad63e | 273 | { |
f4beb510 | 274 | unsigned int e1, e2; |
53a5960a | 275 | uint32_t *p; |
6dbad63e FB |
276 | e1 = (addr << 16) | (limit & 0xffff); |
277 | e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); | |
f4beb510 | 278 | e2 |= flags; |
53a5960a | 279 | p = ptr; |
d538e8f5 | 280 | p[0] = tswap32(e1); |
281 | p[1] = tswap32(e2); | |
f4beb510 FB |
282 | } |
283 | ||
e441570f | 284 | static uint64_t *idt_table; |
eb38c52c | 285 | #ifdef TARGET_X86_64 |
d2fd1af7 FB |
286 | static void set_gate64(void *ptr, unsigned int type, unsigned int dpl, |
287 | uint64_t addr, unsigned int sel) | |
f4beb510 | 288 | { |
4dbc422b | 289 | uint32_t *p, e1, e2; |
f4beb510 FB |
290 | e1 = (addr & 0xffff) | (sel << 16); |
291 | e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); | |
53a5960a | 292 | p = ptr; |
4dbc422b FB |
293 | p[0] = tswap32(e1); |
294 | p[1] = tswap32(e2); | |
295 | p[2] = tswap32(addr >> 32); | |
296 | p[3] = 0; | |
6dbad63e | 297 | } |
d2fd1af7 FB |
298 | /* only dpl matters as we do only user space emulation */ |
299 | static void set_idt(int n, unsigned int dpl) | |
300 | { | |
301 | set_gate64(idt_table + n * 2, 0, dpl, 0, 0); | |
302 | } | |
303 | #else | |
d2fd1af7 FB |
304 | static void set_gate(void *ptr, unsigned int type, unsigned int dpl, |
305 | uint32_t addr, unsigned int sel) | |
306 | { | |
4dbc422b | 307 | uint32_t *p, e1, e2; |
d2fd1af7 FB |
308 | e1 = (addr & 0xffff) | (sel << 16); |
309 | e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); | |
310 | p = ptr; | |
4dbc422b FB |
311 | p[0] = tswap32(e1); |
312 | p[1] = tswap32(e2); | |
d2fd1af7 FB |
313 | } |
314 | ||
f4beb510 FB |
315 | /* only dpl matters as we do only user space emulation */ |
316 | static void set_idt(int n, unsigned int dpl) | |
317 | { | |
318 | set_gate(idt_table + n, 0, dpl, 0, 0); | |
319 | } | |
d2fd1af7 | 320 | #endif |
31e31b8a | 321 | |
89e957e7 | 322 | void cpu_loop(CPUX86State *env) |
1b6b029e | 323 | { |
bc8a22cc | 324 | int trapnr; |
992f48a0 | 325 | abi_ulong pc; |
c227f099 | 326 | target_siginfo_t info; |
851e67a1 | 327 | |
1b6b029e | 328 | for(;;) { |
bc8a22cc | 329 | trapnr = cpu_x86_exec(env); |
bc8a22cc | 330 | switch(trapnr) { |
f4beb510 | 331 | case 0x80: |
d2fd1af7 | 332 | /* linux syscall from int $0x80 */ |
5fafdf24 TS |
333 | env->regs[R_EAX] = do_syscall(env, |
334 | env->regs[R_EAX], | |
f4beb510 FB |
335 | env->regs[R_EBX], |
336 | env->regs[R_ECX], | |
337 | env->regs[R_EDX], | |
338 | env->regs[R_ESI], | |
339 | env->regs[R_EDI], | |
5945cfcb PM |
340 | env->regs[R_EBP], |
341 | 0, 0); | |
f4beb510 | 342 | break; |
d2fd1af7 FB |
343 | #ifndef TARGET_ABI32 |
344 | case EXCP_SYSCALL: | |
5ba18547 | 345 | /* linux syscall from syscall instruction */ |
d2fd1af7 FB |
346 | env->regs[R_EAX] = do_syscall(env, |
347 | env->regs[R_EAX], | |
348 | env->regs[R_EDI], | |
349 | env->regs[R_ESI], | |
350 | env->regs[R_EDX], | |
351 | env->regs[10], | |
352 | env->regs[8], | |
5945cfcb PM |
353 | env->regs[9], |
354 | 0, 0); | |
d2fd1af7 FB |
355 | env->eip = env->exception_next_eip; |
356 | break; | |
357 | #endif | |
f4beb510 FB |
358 | case EXCP0B_NOSEG: |
359 | case EXCP0C_STACK: | |
360 | info.si_signo = SIGBUS; | |
361 | info.si_errno = 0; | |
362 | info.si_code = TARGET_SI_KERNEL; | |
363 | info._sifields._sigfault._addr = 0; | |
624f7979 | 364 | queue_signal(env, info.si_signo, &info); |
f4beb510 | 365 | break; |
1b6b029e | 366 | case EXCP0D_GPF: |
d2fd1af7 | 367 | /* XXX: potential problem if ABI32 */ |
84409ddb | 368 | #ifndef TARGET_X86_64 |
851e67a1 | 369 | if (env->eflags & VM_MASK) { |
89e957e7 | 370 | handle_vm86_fault(env); |
84409ddb JM |
371 | } else |
372 | #endif | |
373 | { | |
f4beb510 FB |
374 | info.si_signo = SIGSEGV; |
375 | info.si_errno = 0; | |
376 | info.si_code = TARGET_SI_KERNEL; | |
377 | info._sifields._sigfault._addr = 0; | |
624f7979 | 378 | queue_signal(env, info.si_signo, &info); |
1b6b029e FB |
379 | } |
380 | break; | |
b689bc57 FB |
381 | case EXCP0E_PAGE: |
382 | info.si_signo = SIGSEGV; | |
383 | info.si_errno = 0; | |
384 | if (!(env->error_code & 1)) | |
385 | info.si_code = TARGET_SEGV_MAPERR; | |
386 | else | |
387 | info.si_code = TARGET_SEGV_ACCERR; | |
970a87a6 | 388 | info._sifields._sigfault._addr = env->cr[2]; |
624f7979 | 389 | queue_signal(env, info.si_signo, &info); |
b689bc57 | 390 | break; |
9de5e440 | 391 | case EXCP00_DIVZ: |
84409ddb | 392 | #ifndef TARGET_X86_64 |
bc8a22cc | 393 | if (env->eflags & VM_MASK) { |
447db213 | 394 | handle_vm86_trap(env, trapnr); |
84409ddb JM |
395 | } else |
396 | #endif | |
397 | { | |
bc8a22cc FB |
398 | /* division by zero */ |
399 | info.si_signo = SIGFPE; | |
400 | info.si_errno = 0; | |
401 | info.si_code = TARGET_FPE_INTDIV; | |
402 | info._sifields._sigfault._addr = env->eip; | |
624f7979 | 403 | queue_signal(env, info.si_signo, &info); |
bc8a22cc | 404 | } |
9de5e440 | 405 | break; |
01df040b | 406 | case EXCP01_DB: |
447db213 | 407 | case EXCP03_INT3: |
84409ddb | 408 | #ifndef TARGET_X86_64 |
447db213 FB |
409 | if (env->eflags & VM_MASK) { |
410 | handle_vm86_trap(env, trapnr); | |
84409ddb JM |
411 | } else |
412 | #endif | |
413 | { | |
447db213 FB |
414 | info.si_signo = SIGTRAP; |
415 | info.si_errno = 0; | |
01df040b | 416 | if (trapnr == EXCP01_DB) { |
447db213 FB |
417 | info.si_code = TARGET_TRAP_BRKPT; |
418 | info._sifields._sigfault._addr = env->eip; | |
419 | } else { | |
420 | info.si_code = TARGET_SI_KERNEL; | |
421 | info._sifields._sigfault._addr = 0; | |
422 | } | |
624f7979 | 423 | queue_signal(env, info.si_signo, &info); |
447db213 FB |
424 | } |
425 | break; | |
9de5e440 FB |
426 | case EXCP04_INTO: |
427 | case EXCP05_BOUND: | |
84409ddb | 428 | #ifndef TARGET_X86_64 |
bc8a22cc | 429 | if (env->eflags & VM_MASK) { |
447db213 | 430 | handle_vm86_trap(env, trapnr); |
84409ddb JM |
431 | } else |
432 | #endif | |
433 | { | |
bc8a22cc FB |
434 | info.si_signo = SIGSEGV; |
435 | info.si_errno = 0; | |
b689bc57 | 436 | info.si_code = TARGET_SI_KERNEL; |
bc8a22cc | 437 | info._sifields._sigfault._addr = 0; |
624f7979 | 438 | queue_signal(env, info.si_signo, &info); |
bc8a22cc | 439 | } |
9de5e440 FB |
440 | break; |
441 | case EXCP06_ILLOP: | |
442 | info.si_signo = SIGILL; | |
443 | info.si_errno = 0; | |
444 | info.si_code = TARGET_ILL_ILLOPN; | |
445 | info._sifields._sigfault._addr = env->eip; | |
624f7979 | 446 | queue_signal(env, info.si_signo, &info); |
9de5e440 FB |
447 | break; |
448 | case EXCP_INTERRUPT: | |
449 | /* just indicate that signals should be handled asap */ | |
450 | break; | |
1fddef4b FB |
451 | case EXCP_DEBUG: |
452 | { | |
453 | int sig; | |
454 | ||
455 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
456 | if (sig) | |
457 | { | |
458 | info.si_signo = sig; | |
459 | info.si_errno = 0; | |
460 | info.si_code = TARGET_TRAP_BRKPT; | |
624f7979 | 461 | queue_signal(env, info.si_signo, &info); |
1fddef4b FB |
462 | } |
463 | } | |
464 | break; | |
1b6b029e | 465 | default: |
970a87a6 | 466 | pc = env->segs[R_CS].base + env->eip; |
5fafdf24 | 467 | fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", |
bc8a22cc | 468 | (long)pc, trapnr); |
1b6b029e FB |
469 | abort(); |
470 | } | |
66fb9763 | 471 | process_pending_signals(env); |
1b6b029e FB |
472 | } |
473 | } | |
b346ff46 FB |
474 | #endif |
475 | ||
476 | #ifdef TARGET_ARM | |
477 | ||
d8fd2954 PB |
478 | #define get_user_code_u32(x, gaddr, doswap) \ |
479 | ({ abi_long __r = get_user_u32((x), (gaddr)); \ | |
480 | if (!__r && (doswap)) { \ | |
481 | (x) = bswap32(x); \ | |
482 | } \ | |
483 | __r; \ | |
484 | }) | |
485 | ||
486 | #define get_user_code_u16(x, gaddr, doswap) \ | |
487 | ({ abi_long __r = get_user_u16((x), (gaddr)); \ | |
488 | if (!__r && (doswap)) { \ | |
489 | (x) = bswap16(x); \ | |
490 | } \ | |
491 | __r; \ | |
492 | }) | |
493 | ||
97cc7560 DDAG |
494 | /* |
495 | * See the Linux kernel's Documentation/arm/kernel_user_helpers.txt | |
496 | * Input: | |
497 | * r0 = pointer to oldval | |
498 | * r1 = pointer to newval | |
499 | * r2 = pointer to target value | |
500 | * | |
501 | * Output: | |
502 | * r0 = 0 if *ptr was changed, non-0 if no exchange happened | |
503 | * C set if *ptr was changed, clear if no exchange happened | |
504 | * | |
505 | * Note segv's in kernel helpers are a bit tricky, we can set the | |
506 | * data address sensibly but the PC address is just the entry point. | |
507 | */ | |
508 | static void arm_kernel_cmpxchg64_helper(CPUARMState *env) | |
509 | { | |
510 | uint64_t oldval, newval, val; | |
511 | uint32_t addr, cpsr; | |
512 | target_siginfo_t info; | |
513 | ||
514 | /* Based on the 32 bit code in do_kernel_trap */ | |
515 | ||
516 | /* XXX: This only works between threads, not between processes. | |
517 | It's probably possible to implement this with native host | |
518 | operations. However things like ldrex/strex are much harder so | |
519 | there's not much point trying. */ | |
520 | start_exclusive(); | |
521 | cpsr = cpsr_read(env); | |
522 | addr = env->regs[2]; | |
523 | ||
524 | if (get_user_u64(oldval, env->regs[0])) { | |
525 | env->cp15.c6_data = env->regs[0]; | |
526 | goto segv; | |
527 | }; | |
528 | ||
529 | if (get_user_u64(newval, env->regs[1])) { | |
530 | env->cp15.c6_data = env->regs[1]; | |
531 | goto segv; | |
532 | }; | |
533 | ||
534 | if (get_user_u64(val, addr)) { | |
535 | env->cp15.c6_data = addr; | |
536 | goto segv; | |
537 | } | |
538 | ||
539 | if (val == oldval) { | |
540 | val = newval; | |
541 | ||
542 | if (put_user_u64(val, addr)) { | |
543 | env->cp15.c6_data = addr; | |
544 | goto segv; | |
545 | }; | |
546 | ||
547 | env->regs[0] = 0; | |
548 | cpsr |= CPSR_C; | |
549 | } else { | |
550 | env->regs[0] = -1; | |
551 | cpsr &= ~CPSR_C; | |
552 | } | |
553 | cpsr_write(env, cpsr, CPSR_C); | |
554 | end_exclusive(); | |
555 | return; | |
556 | ||
557 | segv: | |
558 | end_exclusive(); | |
559 | /* We get the PC of the entry address - which is as good as anything, | |
560 | on a real kernel what you get depends on which mode it uses. */ | |
561 | info.si_signo = SIGSEGV; | |
562 | info.si_errno = 0; | |
563 | /* XXX: check env->error_code */ | |
564 | info.si_code = TARGET_SEGV_MAPERR; | |
565 | info._sifields._sigfault._addr = env->cp15.c6_data; | |
566 | queue_signal(env, info.si_signo, &info); | |
567 | ||
568 | end_exclusive(); | |
569 | } | |
570 | ||
fbb4a2e3 PB |
571 | /* Handle a jump to the kernel code page. */ |
572 | static int | |
573 | do_kernel_trap(CPUARMState *env) | |
574 | { | |
575 | uint32_t addr; | |
576 | uint32_t cpsr; | |
577 | uint32_t val; | |
578 | ||
579 | switch (env->regs[15]) { | |
580 | case 0xffff0fa0: /* __kernel_memory_barrier */ | |
581 | /* ??? No-op. Will need to do better for SMP. */ | |
582 | break; | |
583 | case 0xffff0fc0: /* __kernel_cmpxchg */ | |
d5975363 PB |
584 | /* XXX: This only works between threads, not between processes. |
585 | It's probably possible to implement this with native host | |
586 | operations. However things like ldrex/strex are much harder so | |
587 | there's not much point trying. */ | |
588 | start_exclusive(); | |
fbb4a2e3 PB |
589 | cpsr = cpsr_read(env); |
590 | addr = env->regs[2]; | |
591 | /* FIXME: This should SEGV if the access fails. */ | |
592 | if (get_user_u32(val, addr)) | |
593 | val = ~env->regs[0]; | |
594 | if (val == env->regs[0]) { | |
595 | val = env->regs[1]; | |
596 | /* FIXME: Check for segfaults. */ | |
597 | put_user_u32(val, addr); | |
598 | env->regs[0] = 0; | |
599 | cpsr |= CPSR_C; | |
600 | } else { | |
601 | env->regs[0] = -1; | |
602 | cpsr &= ~CPSR_C; | |
603 | } | |
604 | cpsr_write(env, cpsr, CPSR_C); | |
d5975363 | 605 | end_exclusive(); |
fbb4a2e3 PB |
606 | break; |
607 | case 0xffff0fe0: /* __kernel_get_tls */ | |
608 | env->regs[0] = env->cp15.c13_tls2; | |
609 | break; | |
97cc7560 DDAG |
610 | case 0xffff0f60: /* __kernel_cmpxchg64 */ |
611 | arm_kernel_cmpxchg64_helper(env); | |
612 | break; | |
613 | ||
fbb4a2e3 PB |
614 | default: |
615 | return 1; | |
616 | } | |
617 | /* Jump back to the caller. */ | |
618 | addr = env->regs[14]; | |
619 | if (addr & 1) { | |
620 | env->thumb = 1; | |
621 | addr &= ~1; | |
622 | } | |
623 | env->regs[15] = addr; | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
426f5abc PB |
628 | static int do_strex(CPUARMState *env) |
629 | { | |
630 | uint32_t val; | |
631 | int size; | |
632 | int rc = 1; | |
633 | int segv = 0; | |
634 | uint32_t addr; | |
635 | start_exclusive(); | |
636 | addr = env->exclusive_addr; | |
637 | if (addr != env->exclusive_test) { | |
638 | goto fail; | |
639 | } | |
640 | size = env->exclusive_info & 0xf; | |
641 | switch (size) { | |
642 | case 0: | |
643 | segv = get_user_u8(val, addr); | |
644 | break; | |
645 | case 1: | |
646 | segv = get_user_u16(val, addr); | |
647 | break; | |
648 | case 2: | |
649 | case 3: | |
650 | segv = get_user_u32(val, addr); | |
651 | break; | |
f7001a3b AJ |
652 | default: |
653 | abort(); | |
426f5abc PB |
654 | } |
655 | if (segv) { | |
656 | env->cp15.c6_data = addr; | |
657 | goto done; | |
658 | } | |
659 | if (val != env->exclusive_val) { | |
660 | goto fail; | |
661 | } | |
662 | if (size == 3) { | |
663 | segv = get_user_u32(val, addr + 4); | |
664 | if (segv) { | |
665 | env->cp15.c6_data = addr + 4; | |
666 | goto done; | |
667 | } | |
668 | if (val != env->exclusive_high) { | |
669 | goto fail; | |
670 | } | |
671 | } | |
672 | val = env->regs[(env->exclusive_info >> 8) & 0xf]; | |
673 | switch (size) { | |
674 | case 0: | |
675 | segv = put_user_u8(val, addr); | |
676 | break; | |
677 | case 1: | |
678 | segv = put_user_u16(val, addr); | |
679 | break; | |
680 | case 2: | |
681 | case 3: | |
682 | segv = put_user_u32(val, addr); | |
683 | break; | |
684 | } | |
685 | if (segv) { | |
686 | env->cp15.c6_data = addr; | |
687 | goto done; | |
688 | } | |
689 | if (size == 3) { | |
690 | val = env->regs[(env->exclusive_info >> 12) & 0xf]; | |
2c9adbda | 691 | segv = put_user_u32(val, addr + 4); |
426f5abc PB |
692 | if (segv) { |
693 | env->cp15.c6_data = addr + 4; | |
694 | goto done; | |
695 | } | |
696 | } | |
697 | rc = 0; | |
698 | fail: | |
725b8a69 | 699 | env->regs[15] += 4; |
426f5abc PB |
700 | env->regs[(env->exclusive_info >> 4) & 0xf] = rc; |
701 | done: | |
702 | end_exclusive(); | |
703 | return segv; | |
704 | } | |
705 | ||
b346ff46 FB |
706 | void cpu_loop(CPUARMState *env) |
707 | { | |
708 | int trapnr; | |
709 | unsigned int n, insn; | |
c227f099 | 710 | target_siginfo_t info; |
b5ff1b31 | 711 | uint32_t addr; |
3b46e624 | 712 | |
b346ff46 | 713 | for(;;) { |
d5975363 | 714 | cpu_exec_start(env); |
b346ff46 | 715 | trapnr = cpu_arm_exec(env); |
d5975363 | 716 | cpu_exec_end(env); |
b346ff46 FB |
717 | switch(trapnr) { |
718 | case EXCP_UDEF: | |
c6981055 FB |
719 | { |
720 | TaskState *ts = env->opaque; | |
721 | uint32_t opcode; | |
6d9a42be | 722 | int rc; |
c6981055 FB |
723 | |
724 | /* we handle the FPU emulation here, as Linux */ | |
725 | /* we get the opcode */ | |
2f619698 | 726 | /* FIXME - what to do if get_user() fails? */ |
d8fd2954 | 727 | get_user_code_u32(opcode, env->regs[15], env->bswap_code); |
3b46e624 | 728 | |
6d9a42be AJ |
729 | rc = EmulateAll(opcode, &ts->fpa, env); |
730 | if (rc == 0) { /* illegal instruction */ | |
c6981055 FB |
731 | info.si_signo = SIGILL; |
732 | info.si_errno = 0; | |
733 | info.si_code = TARGET_ILL_ILLOPN; | |
734 | info._sifields._sigfault._addr = env->regs[15]; | |
624f7979 | 735 | queue_signal(env, info.si_signo, &info); |
6d9a42be AJ |
736 | } else if (rc < 0) { /* FP exception */ |
737 | int arm_fpe=0; | |
738 | ||
739 | /* translate softfloat flags to FPSR flags */ | |
740 | if (-rc & float_flag_invalid) | |
741 | arm_fpe |= BIT_IOC; | |
742 | if (-rc & float_flag_divbyzero) | |
743 | arm_fpe |= BIT_DZC; | |
744 | if (-rc & float_flag_overflow) | |
745 | arm_fpe |= BIT_OFC; | |
746 | if (-rc & float_flag_underflow) | |
747 | arm_fpe |= BIT_UFC; | |
748 | if (-rc & float_flag_inexact) | |
749 | arm_fpe |= BIT_IXC; | |
750 | ||
751 | FPSR fpsr = ts->fpa.fpsr; | |
752 | //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe); | |
753 | ||
754 | if (fpsr & (arm_fpe << 16)) { /* exception enabled? */ | |
755 | info.si_signo = SIGFPE; | |
756 | info.si_errno = 0; | |
757 | ||
758 | /* ordered by priority, least first */ | |
759 | if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES; | |
760 | if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND; | |
761 | if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF; | |
762 | if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV; | |
763 | if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV; | |
764 | ||
765 | info._sifields._sigfault._addr = env->regs[15]; | |
624f7979 | 766 | queue_signal(env, info.si_signo, &info); |
6d9a42be AJ |
767 | } else { |
768 | env->regs[15] += 4; | |
769 | } | |
770 | ||
771 | /* accumulate unenabled exceptions */ | |
772 | if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC)) | |
773 | fpsr |= BIT_IXC; | |
774 | if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC)) | |
775 | fpsr |= BIT_UFC; | |
776 | if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC)) | |
777 | fpsr |= BIT_OFC; | |
778 | if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC)) | |
779 | fpsr |= BIT_DZC; | |
780 | if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC)) | |
781 | fpsr |= BIT_IOC; | |
782 | ts->fpa.fpsr=fpsr; | |
783 | } else { /* everything OK */ | |
c6981055 FB |
784 | /* increment PC */ |
785 | env->regs[15] += 4; | |
786 | } | |
787 | } | |
b346ff46 FB |
788 | break; |
789 | case EXCP_SWI: | |
06c949e6 | 790 | case EXCP_BKPT: |
b346ff46 | 791 | { |
ce4defa0 | 792 | env->eabi = 1; |
b346ff46 | 793 | /* system call */ |
06c949e6 PB |
794 | if (trapnr == EXCP_BKPT) { |
795 | if (env->thumb) { | |
2f619698 | 796 | /* FIXME - what to do if get_user() fails? */ |
d8fd2954 | 797 | get_user_code_u16(insn, env->regs[15], env->bswap_code); |
06c949e6 PB |
798 | n = insn & 0xff; |
799 | env->regs[15] += 2; | |
800 | } else { | |
2f619698 | 801 | /* FIXME - what to do if get_user() fails? */ |
d8fd2954 | 802 | get_user_code_u32(insn, env->regs[15], env->bswap_code); |
06c949e6 PB |
803 | n = (insn & 0xf) | ((insn >> 4) & 0xff0); |
804 | env->regs[15] += 4; | |
805 | } | |
192c7bd9 | 806 | } else { |
06c949e6 | 807 | if (env->thumb) { |
2f619698 | 808 | /* FIXME - what to do if get_user() fails? */ |
d8fd2954 PB |
809 | get_user_code_u16(insn, env->regs[15] - 2, |
810 | env->bswap_code); | |
06c949e6 PB |
811 | n = insn & 0xff; |
812 | } else { | |
2f619698 | 813 | /* FIXME - what to do if get_user() fails? */ |
d8fd2954 PB |
814 | get_user_code_u32(insn, env->regs[15] - 4, |
815 | env->bswap_code); | |
06c949e6 PB |
816 | n = insn & 0xffffff; |
817 | } | |
192c7bd9 FB |
818 | } |
819 | ||
6f1f31c0 | 820 | if (n == ARM_NR_cacheflush) { |
dcfd14b3 | 821 | /* nop */ |
a4f81979 FB |
822 | } else if (n == ARM_NR_semihosting |
823 | || n == ARM_NR_thumb_semihosting) { | |
824 | env->regs[0] = do_arm_semihosting (env); | |
ce4defa0 | 825 | } else if (n == 0 || n >= ARM_SYSCALL_BASE |
192c7bd9 | 826 | || (env->thumb && n == ARM_THUMB_SYSCALL)) { |
b346ff46 | 827 | /* linux syscall */ |
ce4defa0 | 828 | if (env->thumb || n == 0) { |
192c7bd9 FB |
829 | n = env->regs[7]; |
830 | } else { | |
831 | n -= ARM_SYSCALL_BASE; | |
ce4defa0 | 832 | env->eabi = 0; |
192c7bd9 | 833 | } |
fbb4a2e3 PB |
834 | if ( n > ARM_NR_BASE) { |
835 | switch (n) { | |
836 | case ARM_NR_cacheflush: | |
dcfd14b3 | 837 | /* nop */ |
fbb4a2e3 PB |
838 | break; |
839 | case ARM_NR_set_tls: | |
840 | cpu_set_tls(env, env->regs[0]); | |
841 | env->regs[0] = 0; | |
842 | break; | |
843 | default: | |
844 | gemu_log("qemu: Unsupported ARM syscall: 0x%x\n", | |
845 | n); | |
846 | env->regs[0] = -TARGET_ENOSYS; | |
847 | break; | |
848 | } | |
849 | } else { | |
850 | env->regs[0] = do_syscall(env, | |
851 | n, | |
852 | env->regs[0], | |
853 | env->regs[1], | |
854 | env->regs[2], | |
855 | env->regs[3], | |
856 | env->regs[4], | |
5945cfcb PM |
857 | env->regs[5], |
858 | 0, 0); | |
fbb4a2e3 | 859 | } |
b346ff46 FB |
860 | } else { |
861 | goto error; | |
862 | } | |
863 | } | |
864 | break; | |
43fff238 FB |
865 | case EXCP_INTERRUPT: |
866 | /* just indicate that signals should be handled asap */ | |
867 | break; | |
68016c62 | 868 | case EXCP_PREFETCH_ABORT: |
eae473c1 | 869 | addr = env->cp15.c6_insn; |
b5ff1b31 | 870 | goto do_segv; |
68016c62 | 871 | case EXCP_DATA_ABORT: |
eae473c1 | 872 | addr = env->cp15.c6_data; |
b5ff1b31 | 873 | do_segv: |
68016c62 FB |
874 | { |
875 | info.si_signo = SIGSEGV; | |
876 | info.si_errno = 0; | |
877 | /* XXX: check env->error_code */ | |
878 | info.si_code = TARGET_SEGV_MAPERR; | |
b5ff1b31 | 879 | info._sifields._sigfault._addr = addr; |
624f7979 | 880 | queue_signal(env, info.si_signo, &info); |
68016c62 FB |
881 | } |
882 | break; | |
1fddef4b FB |
883 | case EXCP_DEBUG: |
884 | { | |
885 | int sig; | |
886 | ||
887 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
888 | if (sig) | |
889 | { | |
890 | info.si_signo = sig; | |
891 | info.si_errno = 0; | |
892 | info.si_code = TARGET_TRAP_BRKPT; | |
624f7979 | 893 | queue_signal(env, info.si_signo, &info); |
1fddef4b FB |
894 | } |
895 | } | |
896 | break; | |
fbb4a2e3 PB |
897 | case EXCP_KERNEL_TRAP: |
898 | if (do_kernel_trap(env)) | |
899 | goto error; | |
900 | break; | |
426f5abc PB |
901 | case EXCP_STREX: |
902 | if (do_strex(env)) { | |
903 | addr = env->cp15.c6_data; | |
904 | goto do_segv; | |
905 | } | |
e9273455 | 906 | break; |
b346ff46 FB |
907 | default: |
908 | error: | |
5fafdf24 | 909 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", |
b346ff46 | 910 | trapnr); |
7fe48483 | 911 | cpu_dump_state(env, stderr, fprintf, 0); |
b346ff46 FB |
912 | abort(); |
913 | } | |
914 | process_pending_signals(env); | |
915 | } | |
916 | } | |
917 | ||
918 | #endif | |
1b6b029e | 919 | |
d2fbca94 GX |
920 | #ifdef TARGET_UNICORE32 |
921 | ||
05390248 | 922 | void cpu_loop(CPUUniCore32State *env) |
d2fbca94 GX |
923 | { |
924 | int trapnr; | |
925 | unsigned int n, insn; | |
926 | target_siginfo_t info; | |
927 | ||
928 | for (;;) { | |
929 | cpu_exec_start(env); | |
930 | trapnr = uc32_cpu_exec(env); | |
931 | cpu_exec_end(env); | |
932 | switch (trapnr) { | |
933 | case UC32_EXCP_PRIV: | |
934 | { | |
935 | /* system call */ | |
936 | get_user_u32(insn, env->regs[31] - 4); | |
937 | n = insn & 0xffffff; | |
938 | ||
939 | if (n >= UC32_SYSCALL_BASE) { | |
940 | /* linux syscall */ | |
941 | n -= UC32_SYSCALL_BASE; | |
942 | if (n == UC32_SYSCALL_NR_set_tls) { | |
943 | cpu_set_tls(env, env->regs[0]); | |
944 | env->regs[0] = 0; | |
945 | } else { | |
946 | env->regs[0] = do_syscall(env, | |
947 | n, | |
948 | env->regs[0], | |
949 | env->regs[1], | |
950 | env->regs[2], | |
951 | env->regs[3], | |
952 | env->regs[4], | |
5945cfcb PM |
953 | env->regs[5], |
954 | 0, 0); | |
d2fbca94 GX |
955 | } |
956 | } else { | |
957 | goto error; | |
958 | } | |
959 | } | |
960 | break; | |
961 | case UC32_EXCP_TRAP: | |
962 | info.si_signo = SIGSEGV; | |
963 | info.si_errno = 0; | |
964 | /* XXX: check env->error_code */ | |
965 | info.si_code = TARGET_SEGV_MAPERR; | |
966 | info._sifields._sigfault._addr = env->cp0.c4_faultaddr; | |
967 | queue_signal(env, info.si_signo, &info); | |
968 | break; | |
969 | case EXCP_INTERRUPT: | |
970 | /* just indicate that signals should be handled asap */ | |
971 | break; | |
972 | case EXCP_DEBUG: | |
973 | { | |
974 | int sig; | |
975 | ||
976 | sig = gdb_handlesig(env, TARGET_SIGTRAP); | |
977 | if (sig) { | |
978 | info.si_signo = sig; | |
979 | info.si_errno = 0; | |
980 | info.si_code = TARGET_TRAP_BRKPT; | |
981 | queue_signal(env, info.si_signo, &info); | |
982 | } | |
983 | } | |
984 | break; | |
985 | default: | |
986 | goto error; | |
987 | } | |
988 | process_pending_signals(env); | |
989 | } | |
990 | ||
991 | error: | |
992 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); | |
993 | cpu_dump_state(env, stderr, fprintf, 0); | |
994 | abort(); | |
995 | } | |
996 | #endif | |
997 | ||
93ac68bc | 998 | #ifdef TARGET_SPARC |
ed23fbd9 | 999 | #define SPARC64_STACK_BIAS 2047 |
93ac68bc | 1000 | |
060366c5 FB |
1001 | //#define DEBUG_WIN |
1002 | ||
2623cbaf FB |
1003 | /* WARNING: dealing with register windows _is_ complicated. More info |
1004 | can be found at http://www.sics.se/~psm/sparcstack.html */ | |
060366c5 FB |
1005 | static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) |
1006 | { | |
1a14026e | 1007 | index = (index + cwp * 16) % (16 * env->nwindows); |
060366c5 FB |
1008 | /* wrap handling : if cwp is on the last window, then we use the |
1009 | registers 'after' the end */ | |
1a14026e BS |
1010 | if (index < 8 && env->cwp == env->nwindows - 1) |
1011 | index += 16 * env->nwindows; | |
060366c5 FB |
1012 | return index; |
1013 | } | |
1014 | ||
2623cbaf FB |
1015 | /* save the register window 'cwp1' */ |
1016 | static inline void save_window_offset(CPUSPARCState *env, int cwp1) | |
060366c5 | 1017 | { |
2623cbaf | 1018 | unsigned int i; |
992f48a0 | 1019 | abi_ulong sp_ptr; |
3b46e624 | 1020 | |
53a5960a | 1021 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; |
ed23fbd9 BS |
1022 | #ifdef TARGET_SPARC64 |
1023 | if (sp_ptr & 3) | |
1024 | sp_ptr += SPARC64_STACK_BIAS; | |
1025 | #endif | |
060366c5 | 1026 | #if defined(DEBUG_WIN) |
2daf0284 BS |
1027 | printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n", |
1028 | sp_ptr, cwp1); | |
060366c5 | 1029 | #endif |
2623cbaf | 1030 | for(i = 0; i < 16; i++) { |
2f619698 FB |
1031 | /* FIXME - what to do if put_user() fails? */ |
1032 | put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); | |
992f48a0 | 1033 | sp_ptr += sizeof(abi_ulong); |
2623cbaf | 1034 | } |
060366c5 FB |
1035 | } |
1036 | ||
1037 | static void save_window(CPUSPARCState *env) | |
1038 | { | |
5ef54116 | 1039 | #ifndef TARGET_SPARC64 |
2623cbaf | 1040 | unsigned int new_wim; |
1a14026e BS |
1041 | new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) & |
1042 | ((1LL << env->nwindows) - 1); | |
1043 | save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); | |
2623cbaf | 1044 | env->wim = new_wim; |
5ef54116 | 1045 | #else |
1a14026e | 1046 | save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); |
5ef54116 FB |
1047 | env->cansave++; |
1048 | env->canrestore--; | |
1049 | #endif | |
060366c5 FB |
1050 | } |
1051 | ||
1052 | static void restore_window(CPUSPARCState *env) | |
1053 | { | |
eda52953 BS |
1054 | #ifndef TARGET_SPARC64 |
1055 | unsigned int new_wim; | |
1056 | #endif | |
1057 | unsigned int i, cwp1; | |
992f48a0 | 1058 | abi_ulong sp_ptr; |
3b46e624 | 1059 | |
eda52953 | 1060 | #ifndef TARGET_SPARC64 |
1a14026e BS |
1061 | new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) & |
1062 | ((1LL << env->nwindows) - 1); | |
eda52953 | 1063 | #endif |
3b46e624 | 1064 | |
060366c5 | 1065 | /* restore the invalid window */ |
1a14026e | 1066 | cwp1 = cpu_cwp_inc(env, env->cwp + 1); |
53a5960a | 1067 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; |
ed23fbd9 BS |
1068 | #ifdef TARGET_SPARC64 |
1069 | if (sp_ptr & 3) | |
1070 | sp_ptr += SPARC64_STACK_BIAS; | |
1071 | #endif | |
060366c5 | 1072 | #if defined(DEBUG_WIN) |
2daf0284 BS |
1073 | printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n", |
1074 | sp_ptr, cwp1); | |
060366c5 | 1075 | #endif |
2623cbaf | 1076 | for(i = 0; i < 16; i++) { |
2f619698 FB |
1077 | /* FIXME - what to do if get_user() fails? */ |
1078 | get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); | |
992f48a0 | 1079 | sp_ptr += sizeof(abi_ulong); |
2623cbaf | 1080 | } |
5ef54116 FB |
1081 | #ifdef TARGET_SPARC64 |
1082 | env->canrestore++; | |
1a14026e BS |
1083 | if (env->cleanwin < env->nwindows - 1) |
1084 | env->cleanwin++; | |
5ef54116 | 1085 | env->cansave--; |
eda52953 BS |
1086 | #else |
1087 | env->wim = new_wim; | |
5ef54116 | 1088 | #endif |
060366c5 FB |
1089 | } |
1090 | ||
1091 | static void flush_windows(CPUSPARCState *env) | |
1092 | { | |
1093 | int offset, cwp1; | |
2623cbaf FB |
1094 | |
1095 | offset = 1; | |
060366c5 FB |
1096 | for(;;) { |
1097 | /* if restore would invoke restore_window(), then we can stop */ | |
1a14026e | 1098 | cwp1 = cpu_cwp_inc(env, env->cwp + offset); |
eda52953 | 1099 | #ifndef TARGET_SPARC64 |
060366c5 FB |
1100 | if (env->wim & (1 << cwp1)) |
1101 | break; | |
eda52953 BS |
1102 | #else |
1103 | if (env->canrestore == 0) | |
1104 | break; | |
1105 | env->cansave++; | |
1106 | env->canrestore--; | |
1107 | #endif | |
2623cbaf | 1108 | save_window_offset(env, cwp1); |
060366c5 FB |
1109 | offset++; |
1110 | } | |
1a14026e | 1111 | cwp1 = cpu_cwp_inc(env, env->cwp + 1); |
eda52953 BS |
1112 | #ifndef TARGET_SPARC64 |
1113 | /* set wim so that restore will reload the registers */ | |
2623cbaf | 1114 | env->wim = 1 << cwp1; |
eda52953 | 1115 | #endif |
2623cbaf FB |
1116 | #if defined(DEBUG_WIN) |
1117 | printf("flush_windows: nb=%d\n", offset - 1); | |
80a9d035 | 1118 | #endif |
2623cbaf | 1119 | } |
060366c5 | 1120 | |
93ac68bc FB |
1121 | void cpu_loop (CPUSPARCState *env) |
1122 | { | |
2cc20260 RH |
1123 | int trapnr; |
1124 | abi_long ret; | |
c227f099 | 1125 | target_siginfo_t info; |
3b46e624 | 1126 | |
060366c5 FB |
1127 | while (1) { |
1128 | trapnr = cpu_sparc_exec (env); | |
3b46e624 | 1129 | |
060366c5 | 1130 | switch (trapnr) { |
5ef54116 | 1131 | #ifndef TARGET_SPARC64 |
5fafdf24 | 1132 | case 0x88: |
060366c5 | 1133 | case 0x90: |
5ef54116 | 1134 | #else |
cb33da57 | 1135 | case 0x110: |
5ef54116 FB |
1136 | case 0x16d: |
1137 | #endif | |
060366c5 | 1138 | ret = do_syscall (env, env->gregs[1], |
5fafdf24 TS |
1139 | env->regwptr[0], env->regwptr[1], |
1140 | env->regwptr[2], env->regwptr[3], | |
5945cfcb PM |
1141 | env->regwptr[4], env->regwptr[5], |
1142 | 0, 0); | |
2cc20260 | 1143 | if ((abi_ulong)ret >= (abi_ulong)(-515)) { |
992f48a0 | 1144 | #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) |
27908725 FB |
1145 | env->xcc |= PSR_CARRY; |
1146 | #else | |
060366c5 | 1147 | env->psr |= PSR_CARRY; |
27908725 | 1148 | #endif |
060366c5 FB |
1149 | ret = -ret; |
1150 | } else { | |
992f48a0 | 1151 | #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) |
27908725 FB |
1152 | env->xcc &= ~PSR_CARRY; |
1153 | #else | |
060366c5 | 1154 | env->psr &= ~PSR_CARRY; |
27908725 | 1155 | #endif |
060366c5 FB |
1156 | } |
1157 | env->regwptr[0] = ret; | |
1158 | /* next instruction */ | |
1159 | env->pc = env->npc; | |
1160 | env->npc = env->npc + 4; | |
1161 | break; | |
1162 | case 0x83: /* flush windows */ | |
992f48a0 BS |
1163 | #ifdef TARGET_ABI32 |
1164 | case 0x103: | |
1165 | #endif | |
2623cbaf | 1166 | flush_windows(env); |
060366c5 FB |
1167 | /* next instruction */ |
1168 | env->pc = env->npc; | |
1169 | env->npc = env->npc + 4; | |
1170 | break; | |
3475187d | 1171 | #ifndef TARGET_SPARC64 |
060366c5 FB |
1172 | case TT_WIN_OVF: /* window overflow */ |
1173 | save_window(env); | |
1174 | break; | |
1175 | case TT_WIN_UNF: /* window underflow */ | |
1176 | restore_window(env); | |
1177 | break; | |
61ff6f58 FB |
1178 | case TT_TFAULT: |
1179 | case TT_DFAULT: | |
1180 | { | |
59f7182f | 1181 | info.si_signo = TARGET_SIGSEGV; |
61ff6f58 FB |
1182 | info.si_errno = 0; |
1183 | /* XXX: check env->error_code */ | |
1184 | info.si_code = TARGET_SEGV_MAPERR; | |
1185 | info._sifields._sigfault._addr = env->mmuregs[4]; | |
624f7979 | 1186 | queue_signal(env, info.si_signo, &info); |
61ff6f58 FB |
1187 | } |
1188 | break; | |
3475187d | 1189 | #else |
5ef54116 FB |
1190 | case TT_SPILL: /* window overflow */ |
1191 | save_window(env); | |
1192 | break; | |
1193 | case TT_FILL: /* window underflow */ | |
1194 | restore_window(env); | |
1195 | break; | |
7f84a729 BS |
1196 | case TT_TFAULT: |
1197 | case TT_DFAULT: | |
1198 | { | |
59f7182f | 1199 | info.si_signo = TARGET_SIGSEGV; |
7f84a729 BS |
1200 | info.si_errno = 0; |
1201 | /* XXX: check env->error_code */ | |
1202 | info.si_code = TARGET_SEGV_MAPERR; | |
1203 | if (trapnr == TT_DFAULT) | |
1204 | info._sifields._sigfault._addr = env->dmmuregs[4]; | |
1205 | else | |
8194f35a | 1206 | info._sifields._sigfault._addr = cpu_tsptr(env)->tpc; |
624f7979 | 1207 | queue_signal(env, info.si_signo, &info); |
7f84a729 BS |
1208 | } |
1209 | break; | |
27524dc3 | 1210 | #ifndef TARGET_ABI32 |
5bfb56b2 BS |
1211 | case 0x16e: |
1212 | flush_windows(env); | |
1213 | sparc64_get_context(env); | |
1214 | break; | |
1215 | case 0x16f: | |
1216 | flush_windows(env); | |
1217 | sparc64_set_context(env); | |
1218 | break; | |
27524dc3 | 1219 | #endif |
3475187d | 1220 | #endif |
48dc41eb FB |
1221 | case EXCP_INTERRUPT: |
1222 | /* just indicate that signals should be handled asap */ | |
1223 | break; | |
75f22e4e RH |
1224 | case TT_ILL_INSN: |
1225 | { | |
1226 | info.si_signo = TARGET_SIGILL; | |
1227 | info.si_errno = 0; | |
1228 | info.si_code = TARGET_ILL_ILLOPC; | |
1229 | info._sifields._sigfault._addr = env->pc; | |
1230 | queue_signal(env, info.si_signo, &info); | |
1231 | } | |
1232 | break; | |
1fddef4b FB |
1233 | case EXCP_DEBUG: |
1234 | { | |
1235 | int sig; | |
1236 | ||
1237 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
1238 | if (sig) | |
1239 | { | |
1240 | info.si_signo = sig; | |
1241 | info.si_errno = 0; | |
1242 | info.si_code = TARGET_TRAP_BRKPT; | |
624f7979 | 1243 | queue_signal(env, info.si_signo, &info); |
1fddef4b FB |
1244 | } |
1245 | } | |
1246 | break; | |
060366c5 FB |
1247 | default: |
1248 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
7fe48483 | 1249 | cpu_dump_state(env, stderr, fprintf, 0); |
060366c5 FB |
1250 | exit (1); |
1251 | } | |
1252 | process_pending_signals (env); | |
1253 | } | |
93ac68bc FB |
1254 | } |
1255 | ||
1256 | #endif | |
1257 | ||
67867308 | 1258 | #ifdef TARGET_PPC |
05390248 | 1259 | static inline uint64_t cpu_ppc_get_tb(CPUPPCState *env) |
9fddaa0c FB |
1260 | { |
1261 | /* TO FIX */ | |
1262 | return 0; | |
1263 | } | |
3b46e624 | 1264 | |
05390248 | 1265 | uint64_t cpu_ppc_load_tbl(CPUPPCState *env) |
9fddaa0c | 1266 | { |
e3ea6529 | 1267 | return cpu_ppc_get_tb(env); |
9fddaa0c | 1268 | } |
3b46e624 | 1269 | |
05390248 | 1270 | uint32_t cpu_ppc_load_tbu(CPUPPCState *env) |
9fddaa0c FB |
1271 | { |
1272 | return cpu_ppc_get_tb(env) >> 32; | |
1273 | } | |
3b46e624 | 1274 | |
05390248 | 1275 | uint64_t cpu_ppc_load_atbl(CPUPPCState *env) |
9fddaa0c | 1276 | { |
b711de95 | 1277 | return cpu_ppc_get_tb(env); |
9fddaa0c | 1278 | } |
5fafdf24 | 1279 | |
05390248 | 1280 | uint32_t cpu_ppc_load_atbu(CPUPPCState *env) |
9fddaa0c | 1281 | { |
a062e36c | 1282 | return cpu_ppc_get_tb(env) >> 32; |
9fddaa0c | 1283 | } |
76a66253 | 1284 | |
05390248 | 1285 | uint32_t cpu_ppc601_load_rtcu(CPUPPCState *env) |
76a66253 JM |
1286 | __attribute__ (( alias ("cpu_ppc_load_tbu") )); |
1287 | ||
05390248 | 1288 | uint32_t cpu_ppc601_load_rtcl(CPUPPCState *env) |
9fddaa0c | 1289 | { |
76a66253 | 1290 | return cpu_ppc_load_tbl(env) & 0x3FFFFF80; |
9fddaa0c | 1291 | } |
76a66253 | 1292 | |
a750fc0b | 1293 | /* XXX: to be fixed */ |
73b01960 | 1294 | int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp) |
a750fc0b JM |
1295 | { |
1296 | return -1; | |
1297 | } | |
1298 | ||
73b01960 | 1299 | int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val) |
a750fc0b JM |
1300 | { |
1301 | return -1; | |
1302 | } | |
1303 | ||
001faf32 BS |
1304 | #define EXCP_DUMP(env, fmt, ...) \ |
1305 | do { \ | |
1306 | fprintf(stderr, fmt , ## __VA_ARGS__); \ | |
1307 | cpu_dump_state(env, stderr, fprintf, 0); \ | |
1308 | qemu_log(fmt, ## __VA_ARGS__); \ | |
eeacee4d | 1309 | if (qemu_log_enabled()) { \ |
430c7ec7 | 1310 | log_cpu_state(env, 0); \ |
eeacee4d | 1311 | } \ |
e1833e1f JM |
1312 | } while (0) |
1313 | ||
56f066bb NF |
1314 | static int do_store_exclusive(CPUPPCState *env) |
1315 | { | |
1316 | target_ulong addr; | |
1317 | target_ulong page_addr; | |
1318 | target_ulong val; | |
1319 | int flags; | |
1320 | int segv = 0; | |
1321 | ||
1322 | addr = env->reserve_ea; | |
1323 | page_addr = addr & TARGET_PAGE_MASK; | |
1324 | start_exclusive(); | |
1325 | mmap_lock(); | |
1326 | flags = page_get_flags(page_addr); | |
1327 | if ((flags & PAGE_READ) == 0) { | |
1328 | segv = 1; | |
1329 | } else { | |
1330 | int reg = env->reserve_info & 0x1f; | |
1331 | int size = (env->reserve_info >> 5) & 0xf; | |
1332 | int stored = 0; | |
1333 | ||
1334 | if (addr == env->reserve_addr) { | |
1335 | switch (size) { | |
1336 | case 1: segv = get_user_u8(val, addr); break; | |
1337 | case 2: segv = get_user_u16(val, addr); break; | |
1338 | case 4: segv = get_user_u32(val, addr); break; | |
1339 | #if defined(TARGET_PPC64) | |
1340 | case 8: segv = get_user_u64(val, addr); break; | |
1341 | #endif | |
1342 | default: abort(); | |
1343 | } | |
1344 | if (!segv && val == env->reserve_val) { | |
1345 | val = env->gpr[reg]; | |
1346 | switch (size) { | |
1347 | case 1: segv = put_user_u8(val, addr); break; | |
1348 | case 2: segv = put_user_u16(val, addr); break; | |
1349 | case 4: segv = put_user_u32(val, addr); break; | |
1350 | #if defined(TARGET_PPC64) | |
1351 | case 8: segv = put_user_u64(val, addr); break; | |
1352 | #endif | |
1353 | default: abort(); | |
1354 | } | |
1355 | if (!segv) { | |
1356 | stored = 1; | |
1357 | } | |
1358 | } | |
1359 | } | |
1360 | env->crf[0] = (stored << 1) | xer_so; | |
1361 | env->reserve_addr = (target_ulong)-1; | |
1362 | } | |
1363 | if (!segv) { | |
1364 | env->nip += 4; | |
1365 | } | |
1366 | mmap_unlock(); | |
1367 | end_exclusive(); | |
1368 | return segv; | |
1369 | } | |
1370 | ||
67867308 FB |
1371 | void cpu_loop(CPUPPCState *env) |
1372 | { | |
c227f099 | 1373 | target_siginfo_t info; |
61190b14 | 1374 | int trapnr; |
9e0e2f96 | 1375 | target_ulong ret; |
3b46e624 | 1376 | |
67867308 | 1377 | for(;;) { |
56f066bb | 1378 | cpu_exec_start(env); |
67867308 | 1379 | trapnr = cpu_ppc_exec(env); |
56f066bb | 1380 | cpu_exec_end(env); |
67867308 | 1381 | switch(trapnr) { |
e1833e1f JM |
1382 | case POWERPC_EXCP_NONE: |
1383 | /* Just go on */ | |
67867308 | 1384 | break; |
e1833e1f JM |
1385 | case POWERPC_EXCP_CRITICAL: /* Critical input */ |
1386 | cpu_abort(env, "Critical interrupt while in user mode. " | |
1387 | "Aborting\n"); | |
61190b14 | 1388 | break; |
e1833e1f JM |
1389 | case POWERPC_EXCP_MCHECK: /* Machine check exception */ |
1390 | cpu_abort(env, "Machine check exception while in user mode. " | |
1391 | "Aborting\n"); | |
1392 | break; | |
1393 | case POWERPC_EXCP_DSI: /* Data storage exception */ | |
90e189ec | 1394 | EXCP_DUMP(env, "Invalid data memory access: 0x" TARGET_FMT_lx "\n", |
e1833e1f JM |
1395 | env->spr[SPR_DAR]); |
1396 | /* XXX: check this. Seems bugged */ | |
2be0071f FB |
1397 | switch (env->error_code & 0xFF000000) { |
1398 | case 0x40000000: | |
61190b14 FB |
1399 | info.si_signo = TARGET_SIGSEGV; |
1400 | info.si_errno = 0; | |
1401 | info.si_code = TARGET_SEGV_MAPERR; | |
1402 | break; | |
2be0071f | 1403 | case 0x04000000: |
61190b14 FB |
1404 | info.si_signo = TARGET_SIGILL; |
1405 | info.si_errno = 0; | |
1406 | info.si_code = TARGET_ILL_ILLADR; | |
1407 | break; | |
2be0071f | 1408 | case 0x08000000: |
61190b14 FB |
1409 | info.si_signo = TARGET_SIGSEGV; |
1410 | info.si_errno = 0; | |
1411 | info.si_code = TARGET_SEGV_ACCERR; | |
1412 | break; | |
61190b14 FB |
1413 | default: |
1414 | /* Let's send a regular segfault... */ | |
e1833e1f JM |
1415 | EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", |
1416 | env->error_code); | |
61190b14 FB |
1417 | info.si_signo = TARGET_SIGSEGV; |
1418 | info.si_errno = 0; | |
1419 | info.si_code = TARGET_SEGV_MAPERR; | |
1420 | break; | |
1421 | } | |
67867308 | 1422 | info._sifields._sigfault._addr = env->nip; |
624f7979 | 1423 | queue_signal(env, info.si_signo, &info); |
67867308 | 1424 | break; |
e1833e1f | 1425 | case POWERPC_EXCP_ISI: /* Instruction storage exception */ |
90e189ec BS |
1426 | EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" TARGET_FMT_lx |
1427 | "\n", env->spr[SPR_SRR0]); | |
e1833e1f | 1428 | /* XXX: check this */ |
2be0071f FB |
1429 | switch (env->error_code & 0xFF000000) { |
1430 | case 0x40000000: | |
61190b14 | 1431 | info.si_signo = TARGET_SIGSEGV; |
67867308 | 1432 | info.si_errno = 0; |
61190b14 FB |
1433 | info.si_code = TARGET_SEGV_MAPERR; |
1434 | break; | |
2be0071f FB |
1435 | case 0x10000000: |
1436 | case 0x08000000: | |
61190b14 FB |
1437 | info.si_signo = TARGET_SIGSEGV; |
1438 | info.si_errno = 0; | |
1439 | info.si_code = TARGET_SEGV_ACCERR; | |
1440 | break; | |
1441 | default: | |
1442 | /* Let's send a regular segfault... */ | |
e1833e1f JM |
1443 | EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", |
1444 | env->error_code); | |
61190b14 FB |
1445 | info.si_signo = TARGET_SIGSEGV; |
1446 | info.si_errno = 0; | |
1447 | info.si_code = TARGET_SEGV_MAPERR; | |
1448 | break; | |
1449 | } | |
1450 | info._sifields._sigfault._addr = env->nip - 4; | |
624f7979 | 1451 | queue_signal(env, info.si_signo, &info); |
67867308 | 1452 | break; |
e1833e1f JM |
1453 | case POWERPC_EXCP_EXTERNAL: /* External input */ |
1454 | cpu_abort(env, "External interrupt while in user mode. " | |
1455 | "Aborting\n"); | |
1456 | break; | |
1457 | case POWERPC_EXCP_ALIGN: /* Alignment exception */ | |
1458 | EXCP_DUMP(env, "Unaligned memory access\n"); | |
1459 | /* XXX: check this */ | |
61190b14 | 1460 | info.si_signo = TARGET_SIGBUS; |
67867308 | 1461 | info.si_errno = 0; |
61190b14 FB |
1462 | info.si_code = TARGET_BUS_ADRALN; |
1463 | info._sifields._sigfault._addr = env->nip - 4; | |
624f7979 | 1464 | queue_signal(env, info.si_signo, &info); |
67867308 | 1465 | break; |
e1833e1f JM |
1466 | case POWERPC_EXCP_PROGRAM: /* Program exception */ |
1467 | /* XXX: check this */ | |
61190b14 | 1468 | switch (env->error_code & ~0xF) { |
e1833e1f JM |
1469 | case POWERPC_EXCP_FP: |
1470 | EXCP_DUMP(env, "Floating point program exception\n"); | |
61190b14 FB |
1471 | info.si_signo = TARGET_SIGFPE; |
1472 | info.si_errno = 0; | |
1473 | switch (env->error_code & 0xF) { | |
e1833e1f | 1474 | case POWERPC_EXCP_FP_OX: |
61190b14 FB |
1475 | info.si_code = TARGET_FPE_FLTOVF; |
1476 | break; | |
e1833e1f | 1477 | case POWERPC_EXCP_FP_UX: |
61190b14 FB |
1478 | info.si_code = TARGET_FPE_FLTUND; |
1479 | break; | |
e1833e1f JM |
1480 | case POWERPC_EXCP_FP_ZX: |
1481 | case POWERPC_EXCP_FP_VXZDZ: | |
61190b14 FB |
1482 | info.si_code = TARGET_FPE_FLTDIV; |
1483 | break; | |
e1833e1f | 1484 | case POWERPC_EXCP_FP_XX: |
61190b14 FB |
1485 | info.si_code = TARGET_FPE_FLTRES; |
1486 | break; | |
e1833e1f | 1487 | case POWERPC_EXCP_FP_VXSOFT: |
61190b14 FB |
1488 | info.si_code = TARGET_FPE_FLTINV; |
1489 | break; | |
7c58044c | 1490 | case POWERPC_EXCP_FP_VXSNAN: |
e1833e1f JM |
1491 | case POWERPC_EXCP_FP_VXISI: |
1492 | case POWERPC_EXCP_FP_VXIDI: | |
1493 | case POWERPC_EXCP_FP_VXIMZ: | |
1494 | case POWERPC_EXCP_FP_VXVC: | |
1495 | case POWERPC_EXCP_FP_VXSQRT: | |
1496 | case POWERPC_EXCP_FP_VXCVI: | |
61190b14 FB |
1497 | info.si_code = TARGET_FPE_FLTSUB; |
1498 | break; | |
1499 | default: | |
e1833e1f JM |
1500 | EXCP_DUMP(env, "Unknown floating point exception (%02x)\n", |
1501 | env->error_code); | |
1502 | break; | |
61190b14 | 1503 | } |
e1833e1f JM |
1504 | break; |
1505 | case POWERPC_EXCP_INVAL: | |
1506 | EXCP_DUMP(env, "Invalid instruction\n"); | |
61190b14 FB |
1507 | info.si_signo = TARGET_SIGILL; |
1508 | info.si_errno = 0; | |
1509 | switch (env->error_code & 0xF) { | |
e1833e1f | 1510 | case POWERPC_EXCP_INVAL_INVAL: |
61190b14 FB |
1511 | info.si_code = TARGET_ILL_ILLOPC; |
1512 | break; | |
e1833e1f | 1513 | case POWERPC_EXCP_INVAL_LSWX: |
a750fc0b | 1514 | info.si_code = TARGET_ILL_ILLOPN; |
61190b14 | 1515 | break; |
e1833e1f | 1516 | case POWERPC_EXCP_INVAL_SPR: |
61190b14 FB |
1517 | info.si_code = TARGET_ILL_PRVREG; |
1518 | break; | |
e1833e1f | 1519 | case POWERPC_EXCP_INVAL_FP: |
61190b14 FB |
1520 | info.si_code = TARGET_ILL_COPROC; |
1521 | break; | |
1522 | default: | |
e1833e1f JM |
1523 | EXCP_DUMP(env, "Unknown invalid operation (%02x)\n", |
1524 | env->error_code & 0xF); | |
61190b14 FB |
1525 | info.si_code = TARGET_ILL_ILLADR; |
1526 | break; | |
1527 | } | |
1528 | break; | |
e1833e1f JM |
1529 | case POWERPC_EXCP_PRIV: |
1530 | EXCP_DUMP(env, "Privilege violation\n"); | |
61190b14 FB |
1531 | info.si_signo = TARGET_SIGILL; |
1532 | info.si_errno = 0; | |
1533 | switch (env->error_code & 0xF) { | |
e1833e1f | 1534 | case POWERPC_EXCP_PRIV_OPC: |
61190b14 FB |
1535 | info.si_code = TARGET_ILL_PRVOPC; |
1536 | break; | |
e1833e1f | 1537 | case POWERPC_EXCP_PRIV_REG: |
61190b14 | 1538 | info.si_code = TARGET_ILL_PRVREG; |
e1833e1f | 1539 | break; |
61190b14 | 1540 | default: |
e1833e1f JM |
1541 | EXCP_DUMP(env, "Unknown privilege violation (%02x)\n", |
1542 | env->error_code & 0xF); | |
61190b14 FB |
1543 | info.si_code = TARGET_ILL_PRVOPC; |
1544 | break; | |
1545 | } | |
1546 | break; | |
e1833e1f JM |
1547 | case POWERPC_EXCP_TRAP: |
1548 | cpu_abort(env, "Tried to call a TRAP\n"); | |
1549 | break; | |
61190b14 FB |
1550 | default: |
1551 | /* Should not happen ! */ | |
e1833e1f JM |
1552 | cpu_abort(env, "Unknown program exception (%02x)\n", |
1553 | env->error_code); | |
1554 | break; | |
61190b14 FB |
1555 | } |
1556 | info._sifields._sigfault._addr = env->nip - 4; | |
624f7979 | 1557 | queue_signal(env, info.si_signo, &info); |
67867308 | 1558 | break; |
e1833e1f JM |
1559 | case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ |
1560 | EXCP_DUMP(env, "No floating point allowed\n"); | |
61190b14 | 1561 | info.si_signo = TARGET_SIGILL; |
67867308 | 1562 | info.si_errno = 0; |
61190b14 FB |
1563 | info.si_code = TARGET_ILL_COPROC; |
1564 | info._sifields._sigfault._addr = env->nip - 4; | |
624f7979 | 1565 | queue_signal(env, info.si_signo, &info); |
67867308 | 1566 | break; |
e1833e1f JM |
1567 | case POWERPC_EXCP_SYSCALL: /* System call exception */ |
1568 | cpu_abort(env, "Syscall exception while in user mode. " | |
1569 | "Aborting\n"); | |
61190b14 | 1570 | break; |
e1833e1f JM |
1571 | case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ |
1572 | EXCP_DUMP(env, "No APU instruction allowed\n"); | |
1573 | info.si_signo = TARGET_SIGILL; | |
1574 | info.si_errno = 0; | |
1575 | info.si_code = TARGET_ILL_COPROC; | |
1576 | info._sifields._sigfault._addr = env->nip - 4; | |
624f7979 | 1577 | queue_signal(env, info.si_signo, &info); |
61190b14 | 1578 | break; |
e1833e1f JM |
1579 | case POWERPC_EXCP_DECR: /* Decrementer exception */ |
1580 | cpu_abort(env, "Decrementer interrupt while in user mode. " | |
1581 | "Aborting\n"); | |
61190b14 | 1582 | break; |
e1833e1f JM |
1583 | case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ |
1584 | cpu_abort(env, "Fix interval timer interrupt while in user mode. " | |
1585 | "Aborting\n"); | |
1586 | break; | |
1587 | case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ | |
1588 | cpu_abort(env, "Watchdog timer interrupt while in user mode. " | |
1589 | "Aborting\n"); | |
1590 | break; | |
1591 | case POWERPC_EXCP_DTLB: /* Data TLB error */ | |
1592 | cpu_abort(env, "Data TLB exception while in user mode. " | |
1593 | "Aborting\n"); | |
1594 | break; | |
1595 | case POWERPC_EXCP_ITLB: /* Instruction TLB error */ | |
1596 | cpu_abort(env, "Instruction TLB exception while in user mode. " | |
1597 | "Aborting\n"); | |
1598 | break; | |
e1833e1f JM |
1599 | case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */ |
1600 | EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n"); | |
1601 | info.si_signo = TARGET_SIGILL; | |
1602 | info.si_errno = 0; | |
1603 | info.si_code = TARGET_ILL_COPROC; | |
1604 | info._sifields._sigfault._addr = env->nip - 4; | |
624f7979 | 1605 | queue_signal(env, info.si_signo, &info); |
e1833e1f JM |
1606 | break; |
1607 | case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */ | |
1608 | cpu_abort(env, "Embedded floating-point data IRQ not handled\n"); | |
1609 | break; | |
1610 | case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ | |
1611 | cpu_abort(env, "Embedded floating-point round IRQ not handled\n"); | |
1612 | break; | |
1613 | case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ | |
1614 | cpu_abort(env, "Performance monitor exception not handled\n"); | |
1615 | break; | |
1616 | case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ | |
1617 | cpu_abort(env, "Doorbell interrupt while in user mode. " | |
1618 | "Aborting\n"); | |
1619 | break; | |
1620 | case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ | |
1621 | cpu_abort(env, "Doorbell critical interrupt while in user mode. " | |
1622 | "Aborting\n"); | |
1623 | break; | |
1624 | case POWERPC_EXCP_RESET: /* System reset exception */ | |
1625 | cpu_abort(env, "Reset interrupt while in user mode. " | |
1626 | "Aborting\n"); | |
1627 | break; | |
e1833e1f JM |
1628 | case POWERPC_EXCP_DSEG: /* Data segment exception */ |
1629 | cpu_abort(env, "Data segment exception while in user mode. " | |
1630 | "Aborting\n"); | |
1631 | break; | |
1632 | case POWERPC_EXCP_ISEG: /* Instruction segment exception */ | |
1633 | cpu_abort(env, "Instruction segment exception " | |
1634 | "while in user mode. Aborting\n"); | |
1635 | break; | |
e85e7c6e | 1636 | /* PowerPC 64 with hypervisor mode support */ |
e1833e1f JM |
1637 | case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ |
1638 | cpu_abort(env, "Hypervisor decrementer interrupt " | |
1639 | "while in user mode. Aborting\n"); | |
1640 | break; | |
e1833e1f JM |
1641 | case POWERPC_EXCP_TRACE: /* Trace exception */ |
1642 | /* Nothing to do: | |
1643 | * we use this exception to emulate step-by-step execution mode. | |
1644 | */ | |
1645 | break; | |
e85e7c6e | 1646 | /* PowerPC 64 with hypervisor mode support */ |
e1833e1f JM |
1647 | case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ |
1648 | cpu_abort(env, "Hypervisor data storage exception " | |
1649 | "while in user mode. Aborting\n"); | |
1650 | break; | |
1651 | case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ | |
1652 | cpu_abort(env, "Hypervisor instruction storage exception " | |
1653 | "while in user mode. Aborting\n"); | |
1654 | break; | |
1655 | case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ | |
1656 | cpu_abort(env, "Hypervisor data segment exception " | |
1657 | "while in user mode. Aborting\n"); | |
1658 | break; | |
1659 | case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ | |
1660 | cpu_abort(env, "Hypervisor instruction segment exception " | |
1661 | "while in user mode. Aborting\n"); | |
1662 | break; | |
e1833e1f JM |
1663 | case POWERPC_EXCP_VPU: /* Vector unavailable exception */ |
1664 | EXCP_DUMP(env, "No Altivec instructions allowed\n"); | |
1665 | info.si_signo = TARGET_SIGILL; | |
1666 | info.si_errno = 0; | |
1667 | info.si_code = TARGET_ILL_COPROC; | |
1668 | info._sifields._sigfault._addr = env->nip - 4; | |
624f7979 | 1669 | queue_signal(env, info.si_signo, &info); |
e1833e1f JM |
1670 | break; |
1671 | case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */ | |
b4916d7b | 1672 | cpu_abort(env, "Programmable interval timer interrupt " |
e1833e1f JM |
1673 | "while in user mode. Aborting\n"); |
1674 | break; | |
1675 | case POWERPC_EXCP_IO: /* IO error exception */ | |
1676 | cpu_abort(env, "IO error exception while in user mode. " | |
1677 | "Aborting\n"); | |
1678 | break; | |
1679 | case POWERPC_EXCP_RUNM: /* Run mode exception */ | |
1680 | cpu_abort(env, "Run mode exception while in user mode. " | |
1681 | "Aborting\n"); | |
1682 | break; | |
1683 | case POWERPC_EXCP_EMUL: /* Emulation trap exception */ | |
1684 | cpu_abort(env, "Emulation trap exception not handled\n"); | |
1685 | break; | |
1686 | case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ | |
1687 | cpu_abort(env, "Instruction fetch TLB exception " | |
1688 | "while in user-mode. Aborting"); | |
1689 | break; | |
1690 | case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ | |
1691 | cpu_abort(env, "Data load TLB exception while in user-mode. " | |
1692 | "Aborting"); | |
1693 | break; | |
1694 | case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ | |
1695 | cpu_abort(env, "Data store TLB exception while in user-mode. " | |
1696 | "Aborting"); | |
1697 | break; | |
1698 | case POWERPC_EXCP_FPA: /* Floating-point assist exception */ | |
1699 | cpu_abort(env, "Floating-point assist exception not handled\n"); | |
1700 | break; | |
1701 | case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ | |
1702 | cpu_abort(env, "Instruction address breakpoint exception " | |
1703 | "not handled\n"); | |
1704 | break; | |
1705 | case POWERPC_EXCP_SMI: /* System management interrupt */ | |
1706 | cpu_abort(env, "System management interrupt while in user mode. " | |
1707 | "Aborting\n"); | |
1708 | break; | |
1709 | case POWERPC_EXCP_THERM: /* Thermal interrupt */ | |
1710 | cpu_abort(env, "Thermal interrupt interrupt while in user mode. " | |
1711 | "Aborting\n"); | |
1712 | break; | |
1713 | case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ | |
1714 | cpu_abort(env, "Performance monitor exception not handled\n"); | |
1715 | break; | |
1716 | case POWERPC_EXCP_VPUA: /* Vector assist exception */ | |
1717 | cpu_abort(env, "Vector assist exception not handled\n"); | |
1718 | break; | |
1719 | case POWERPC_EXCP_SOFTP: /* Soft patch exception */ | |
1720 | cpu_abort(env, "Soft patch exception not handled\n"); | |
1721 | break; | |
1722 | case POWERPC_EXCP_MAINT: /* Maintenance exception */ | |
1723 | cpu_abort(env, "Maintenance exception while in user mode. " | |
1724 | "Aborting\n"); | |
1725 | break; | |
1726 | case POWERPC_EXCP_STOP: /* stop translation */ | |
1727 | /* We did invalidate the instruction cache. Go on */ | |
1728 | break; | |
1729 | case POWERPC_EXCP_BRANCH: /* branch instruction: */ | |
1730 | /* We just stopped because of a branch. Go on */ | |
1731 | break; | |
1732 | case POWERPC_EXCP_SYSCALL_USER: | |
1733 | /* system call in user-mode emulation */ | |
1734 | /* WARNING: | |
1735 | * PPC ABI uses overflow flag in cr0 to signal an error | |
1736 | * in syscalls. | |
1737 | */ | |
e1833e1f JM |
1738 | env->crf[0] &= ~0x1; |
1739 | ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], | |
1740 | env->gpr[5], env->gpr[6], env->gpr[7], | |
5945cfcb | 1741 | env->gpr[8], 0, 0); |
9e0e2f96 | 1742 | if (ret == (target_ulong)(-TARGET_QEMU_ESIGRETURN)) { |
bcd4933a NF |
1743 | /* Returning from a successful sigreturn syscall. |
1744 | Avoid corrupting register state. */ | |
1745 | break; | |
1746 | } | |
9e0e2f96 | 1747 | if (ret > (target_ulong)(-515)) { |
e1833e1f JM |
1748 | env->crf[0] |= 0x1; |
1749 | ret = -ret; | |
61190b14 | 1750 | } |
e1833e1f | 1751 | env->gpr[3] = ret; |
e1833e1f | 1752 | break; |
56f066bb NF |
1753 | case POWERPC_EXCP_STCX: |
1754 | if (do_store_exclusive(env)) { | |
1755 | info.si_signo = TARGET_SIGSEGV; | |
1756 | info.si_errno = 0; | |
1757 | info.si_code = TARGET_SEGV_MAPERR; | |
1758 | info._sifields._sigfault._addr = env->nip; | |
1759 | queue_signal(env, info.si_signo, &info); | |
1760 | } | |
1761 | break; | |
71f75756 AJ |
1762 | case EXCP_DEBUG: |
1763 | { | |
1764 | int sig; | |
1765 | ||
1766 | sig = gdb_handlesig(env, TARGET_SIGTRAP); | |
1767 | if (sig) { | |
1768 | info.si_signo = sig; | |
1769 | info.si_errno = 0; | |
1770 | info.si_code = TARGET_TRAP_BRKPT; | |
1771 | queue_signal(env, info.si_signo, &info); | |
1772 | } | |
1773 | } | |
1774 | break; | |
56ba31ff JM |
1775 | case EXCP_INTERRUPT: |
1776 | /* just indicate that signals should be handled asap */ | |
1777 | break; | |
e1833e1f JM |
1778 | default: |
1779 | cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr); | |
1780 | break; | |
67867308 FB |
1781 | } |
1782 | process_pending_signals(env); | |
1783 | } | |
1784 | } | |
1785 | #endif | |
1786 | ||
048f6b4d FB |
1787 | #ifdef TARGET_MIPS |
1788 | ||
1789 | #define MIPS_SYS(name, args) args, | |
1790 | ||
1791 | static const uint8_t mips_syscall_args[] = { | |
29fb0f25 | 1792 | MIPS_SYS(sys_syscall , 8) /* 4000 */ |
048f6b4d FB |
1793 | MIPS_SYS(sys_exit , 1) |
1794 | MIPS_SYS(sys_fork , 0) | |
1795 | MIPS_SYS(sys_read , 3) | |
1796 | MIPS_SYS(sys_write , 3) | |
1797 | MIPS_SYS(sys_open , 3) /* 4005 */ | |
1798 | MIPS_SYS(sys_close , 1) | |
1799 | MIPS_SYS(sys_waitpid , 3) | |
1800 | MIPS_SYS(sys_creat , 2) | |
1801 | MIPS_SYS(sys_link , 2) | |
1802 | MIPS_SYS(sys_unlink , 1) /* 4010 */ | |
1803 | MIPS_SYS(sys_execve , 0) | |
1804 | MIPS_SYS(sys_chdir , 1) | |
1805 | MIPS_SYS(sys_time , 1) | |
1806 | MIPS_SYS(sys_mknod , 3) | |
1807 | MIPS_SYS(sys_chmod , 2) /* 4015 */ | |
1808 | MIPS_SYS(sys_lchown , 3) | |
1809 | MIPS_SYS(sys_ni_syscall , 0) | |
1810 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ | |
1811 | MIPS_SYS(sys_lseek , 3) | |
1812 | MIPS_SYS(sys_getpid , 0) /* 4020 */ | |
1813 | MIPS_SYS(sys_mount , 5) | |
1814 | MIPS_SYS(sys_oldumount , 1) | |
1815 | MIPS_SYS(sys_setuid , 1) | |
1816 | MIPS_SYS(sys_getuid , 0) | |
1817 | MIPS_SYS(sys_stime , 1) /* 4025 */ | |
1818 | MIPS_SYS(sys_ptrace , 4) | |
1819 | MIPS_SYS(sys_alarm , 1) | |
1820 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ | |
1821 | MIPS_SYS(sys_pause , 0) | |
1822 | MIPS_SYS(sys_utime , 2) /* 4030 */ | |
1823 | MIPS_SYS(sys_ni_syscall , 0) | |
1824 | MIPS_SYS(sys_ni_syscall , 0) | |
1825 | MIPS_SYS(sys_access , 2) | |
1826 | MIPS_SYS(sys_nice , 1) | |
1827 | MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ | |
1828 | MIPS_SYS(sys_sync , 0) | |
1829 | MIPS_SYS(sys_kill , 2) | |
1830 | MIPS_SYS(sys_rename , 2) | |
1831 | MIPS_SYS(sys_mkdir , 2) | |
1832 | MIPS_SYS(sys_rmdir , 1) /* 4040 */ | |
1833 | MIPS_SYS(sys_dup , 1) | |
1834 | MIPS_SYS(sys_pipe , 0) | |
1835 | MIPS_SYS(sys_times , 1) | |
1836 | MIPS_SYS(sys_ni_syscall , 0) | |
1837 | MIPS_SYS(sys_brk , 1) /* 4045 */ | |
1838 | MIPS_SYS(sys_setgid , 1) | |
1839 | MIPS_SYS(sys_getgid , 0) | |
1840 | MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ | |
1841 | MIPS_SYS(sys_geteuid , 0) | |
1842 | MIPS_SYS(sys_getegid , 0) /* 4050 */ | |
1843 | MIPS_SYS(sys_acct , 0) | |
1844 | MIPS_SYS(sys_umount , 2) | |
1845 | MIPS_SYS(sys_ni_syscall , 0) | |
1846 | MIPS_SYS(sys_ioctl , 3) | |
1847 | MIPS_SYS(sys_fcntl , 3) /* 4055 */ | |
1848 | MIPS_SYS(sys_ni_syscall , 2) | |
1849 | MIPS_SYS(sys_setpgid , 2) | |
1850 | MIPS_SYS(sys_ni_syscall , 0) | |
1851 | MIPS_SYS(sys_olduname , 1) | |
1852 | MIPS_SYS(sys_umask , 1) /* 4060 */ | |
1853 | MIPS_SYS(sys_chroot , 1) | |
1854 | MIPS_SYS(sys_ustat , 2) | |
1855 | MIPS_SYS(sys_dup2 , 2) | |
1856 | MIPS_SYS(sys_getppid , 0) | |
1857 | MIPS_SYS(sys_getpgrp , 0) /* 4065 */ | |
1858 | MIPS_SYS(sys_setsid , 0) | |
1859 | MIPS_SYS(sys_sigaction , 3) | |
1860 | MIPS_SYS(sys_sgetmask , 0) | |
1861 | MIPS_SYS(sys_ssetmask , 1) | |
1862 | MIPS_SYS(sys_setreuid , 2) /* 4070 */ | |
1863 | MIPS_SYS(sys_setregid , 2) | |
1864 | MIPS_SYS(sys_sigsuspend , 0) | |
1865 | MIPS_SYS(sys_sigpending , 1) | |
1866 | MIPS_SYS(sys_sethostname , 2) | |
1867 | MIPS_SYS(sys_setrlimit , 2) /* 4075 */ | |
1868 | MIPS_SYS(sys_getrlimit , 2) | |
1869 | MIPS_SYS(sys_getrusage , 2) | |
1870 | MIPS_SYS(sys_gettimeofday, 2) | |
1871 | MIPS_SYS(sys_settimeofday, 2) | |
1872 | MIPS_SYS(sys_getgroups , 2) /* 4080 */ | |
1873 | MIPS_SYS(sys_setgroups , 2) | |
1874 | MIPS_SYS(sys_ni_syscall , 0) /* old_select */ | |
1875 | MIPS_SYS(sys_symlink , 2) | |
1876 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ | |
1877 | MIPS_SYS(sys_readlink , 3) /* 4085 */ | |
1878 | MIPS_SYS(sys_uselib , 1) | |
1879 | MIPS_SYS(sys_swapon , 2) | |
1880 | MIPS_SYS(sys_reboot , 3) | |
1881 | MIPS_SYS(old_readdir , 3) | |
1882 | MIPS_SYS(old_mmap , 6) /* 4090 */ | |
1883 | MIPS_SYS(sys_munmap , 2) | |
1884 | MIPS_SYS(sys_truncate , 2) | |
1885 | MIPS_SYS(sys_ftruncate , 2) | |
1886 | MIPS_SYS(sys_fchmod , 2) | |
1887 | MIPS_SYS(sys_fchown , 3) /* 4095 */ | |
1888 | MIPS_SYS(sys_getpriority , 2) | |
1889 | MIPS_SYS(sys_setpriority , 3) | |
1890 | MIPS_SYS(sys_ni_syscall , 0) | |
1891 | MIPS_SYS(sys_statfs , 2) | |
1892 | MIPS_SYS(sys_fstatfs , 2) /* 4100 */ | |
1893 | MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ | |
1894 | MIPS_SYS(sys_socketcall , 2) | |
1895 | MIPS_SYS(sys_syslog , 3) | |
1896 | MIPS_SYS(sys_setitimer , 3) | |
1897 | MIPS_SYS(sys_getitimer , 2) /* 4105 */ | |
1898 | MIPS_SYS(sys_newstat , 2) | |
1899 | MIPS_SYS(sys_newlstat , 2) | |
1900 | MIPS_SYS(sys_newfstat , 2) | |
1901 | MIPS_SYS(sys_uname , 1) | |
1902 | MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ | |
1903 | MIPS_SYS(sys_vhangup , 0) | |
1904 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ | |
1905 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ | |
1906 | MIPS_SYS(sys_wait4 , 4) | |
1907 | MIPS_SYS(sys_swapoff , 1) /* 4115 */ | |
1908 | MIPS_SYS(sys_sysinfo , 1) | |
1909 | MIPS_SYS(sys_ipc , 6) | |
1910 | MIPS_SYS(sys_fsync , 1) | |
1911 | MIPS_SYS(sys_sigreturn , 0) | |
18113962 | 1912 | MIPS_SYS(sys_clone , 6) /* 4120 */ |
048f6b4d FB |
1913 | MIPS_SYS(sys_setdomainname, 2) |
1914 | MIPS_SYS(sys_newuname , 1) | |
1915 | MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ | |
1916 | MIPS_SYS(sys_adjtimex , 1) | |
1917 | MIPS_SYS(sys_mprotect , 3) /* 4125 */ | |
1918 | MIPS_SYS(sys_sigprocmask , 3) | |
1919 | MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ | |
1920 | MIPS_SYS(sys_init_module , 5) | |
1921 | MIPS_SYS(sys_delete_module, 1) | |
1922 | MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ | |
1923 | MIPS_SYS(sys_quotactl , 0) | |
1924 | MIPS_SYS(sys_getpgid , 1) | |
1925 | MIPS_SYS(sys_fchdir , 1) | |
1926 | MIPS_SYS(sys_bdflush , 2) | |
1927 | MIPS_SYS(sys_sysfs , 3) /* 4135 */ | |
1928 | MIPS_SYS(sys_personality , 1) | |
1929 | MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ | |
1930 | MIPS_SYS(sys_setfsuid , 1) | |
1931 | MIPS_SYS(sys_setfsgid , 1) | |
1932 | MIPS_SYS(sys_llseek , 5) /* 4140 */ | |
1933 | MIPS_SYS(sys_getdents , 3) | |
1934 | MIPS_SYS(sys_select , 5) | |
1935 | MIPS_SYS(sys_flock , 2) | |
1936 | MIPS_SYS(sys_msync , 3) | |
1937 | MIPS_SYS(sys_readv , 3) /* 4145 */ | |
1938 | MIPS_SYS(sys_writev , 3) | |
1939 | MIPS_SYS(sys_cacheflush , 3) | |
1940 | MIPS_SYS(sys_cachectl , 3) | |
1941 | MIPS_SYS(sys_sysmips , 4) | |
1942 | MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ | |
1943 | MIPS_SYS(sys_getsid , 1) | |
1944 | MIPS_SYS(sys_fdatasync , 0) | |
1945 | MIPS_SYS(sys_sysctl , 1) | |
1946 | MIPS_SYS(sys_mlock , 2) | |
1947 | MIPS_SYS(sys_munlock , 2) /* 4155 */ | |
1948 | MIPS_SYS(sys_mlockall , 1) | |
1949 | MIPS_SYS(sys_munlockall , 0) | |
1950 | MIPS_SYS(sys_sched_setparam, 2) | |
1951 | MIPS_SYS(sys_sched_getparam, 2) | |
1952 | MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ | |
1953 | MIPS_SYS(sys_sched_getscheduler, 1) | |
1954 | MIPS_SYS(sys_sched_yield , 0) | |
1955 | MIPS_SYS(sys_sched_get_priority_max, 1) | |
1956 | MIPS_SYS(sys_sched_get_priority_min, 1) | |
1957 | MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ | |
1958 | MIPS_SYS(sys_nanosleep, 2) | |
1959 | MIPS_SYS(sys_mremap , 4) | |
1960 | MIPS_SYS(sys_accept , 3) | |
1961 | MIPS_SYS(sys_bind , 3) | |
1962 | MIPS_SYS(sys_connect , 3) /* 4170 */ | |
1963 | MIPS_SYS(sys_getpeername , 3) | |
1964 | MIPS_SYS(sys_getsockname , 3) | |
1965 | MIPS_SYS(sys_getsockopt , 5) | |
1966 | MIPS_SYS(sys_listen , 2) | |
1967 | MIPS_SYS(sys_recv , 4) /* 4175 */ | |
1968 | MIPS_SYS(sys_recvfrom , 6) | |
1969 | MIPS_SYS(sys_recvmsg , 3) | |
1970 | MIPS_SYS(sys_send , 4) | |
1971 | MIPS_SYS(sys_sendmsg , 3) | |
1972 | MIPS_SYS(sys_sendto , 6) /* 4180 */ | |
1973 | MIPS_SYS(sys_setsockopt , 5) | |
1974 | MIPS_SYS(sys_shutdown , 2) | |
1975 | MIPS_SYS(sys_socket , 3) | |
1976 | MIPS_SYS(sys_socketpair , 4) | |
1977 | MIPS_SYS(sys_setresuid , 3) /* 4185 */ | |
1978 | MIPS_SYS(sys_getresuid , 3) | |
1979 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ | |
1980 | MIPS_SYS(sys_poll , 3) | |
1981 | MIPS_SYS(sys_nfsservctl , 3) | |
1982 | MIPS_SYS(sys_setresgid , 3) /* 4190 */ | |
1983 | MIPS_SYS(sys_getresgid , 3) | |
1984 | MIPS_SYS(sys_prctl , 5) | |
1985 | MIPS_SYS(sys_rt_sigreturn, 0) | |
1986 | MIPS_SYS(sys_rt_sigaction, 4) | |
1987 | MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ | |
1988 | MIPS_SYS(sys_rt_sigpending, 2) | |
1989 | MIPS_SYS(sys_rt_sigtimedwait, 4) | |
1990 | MIPS_SYS(sys_rt_sigqueueinfo, 3) | |
1991 | MIPS_SYS(sys_rt_sigsuspend, 0) | |
1992 | MIPS_SYS(sys_pread64 , 6) /* 4200 */ | |
1993 | MIPS_SYS(sys_pwrite64 , 6) | |
1994 | MIPS_SYS(sys_chown , 3) | |
1995 | MIPS_SYS(sys_getcwd , 2) | |
1996 | MIPS_SYS(sys_capget , 2) | |
1997 | MIPS_SYS(sys_capset , 2) /* 4205 */ | |
053ebb27 | 1998 | MIPS_SYS(sys_sigaltstack , 2) |
048f6b4d FB |
1999 | MIPS_SYS(sys_sendfile , 4) |
2000 | MIPS_SYS(sys_ni_syscall , 0) | |
2001 | MIPS_SYS(sys_ni_syscall , 0) | |
2002 | MIPS_SYS(sys_mmap2 , 6) /* 4210 */ | |
2003 | MIPS_SYS(sys_truncate64 , 4) | |
2004 | MIPS_SYS(sys_ftruncate64 , 4) | |
2005 | MIPS_SYS(sys_stat64 , 2) | |
2006 | MIPS_SYS(sys_lstat64 , 2) | |
2007 | MIPS_SYS(sys_fstat64 , 2) /* 4215 */ | |
2008 | MIPS_SYS(sys_pivot_root , 2) | |
2009 | MIPS_SYS(sys_mincore , 3) | |
2010 | MIPS_SYS(sys_madvise , 3) | |
2011 | MIPS_SYS(sys_getdents64 , 3) | |
2012 | MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ | |
2013 | MIPS_SYS(sys_ni_syscall , 0) | |
2014 | MIPS_SYS(sys_gettid , 0) | |
2015 | MIPS_SYS(sys_readahead , 5) | |
2016 | MIPS_SYS(sys_setxattr , 5) | |
2017 | MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ | |
2018 | MIPS_SYS(sys_fsetxattr , 5) | |
2019 | MIPS_SYS(sys_getxattr , 4) | |
2020 | MIPS_SYS(sys_lgetxattr , 4) | |
2021 | MIPS_SYS(sys_fgetxattr , 4) | |
2022 | MIPS_SYS(sys_listxattr , 3) /* 4230 */ | |
2023 | MIPS_SYS(sys_llistxattr , 3) | |
2024 | MIPS_SYS(sys_flistxattr , 3) | |
2025 | MIPS_SYS(sys_removexattr , 2) | |
2026 | MIPS_SYS(sys_lremovexattr, 2) | |
2027 | MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ | |
2028 | MIPS_SYS(sys_tkill , 2) | |
2029 | MIPS_SYS(sys_sendfile64 , 5) | |
2030 | MIPS_SYS(sys_futex , 2) | |
2031 | MIPS_SYS(sys_sched_setaffinity, 3) | |
2032 | MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ | |
2033 | MIPS_SYS(sys_io_setup , 2) | |
2034 | MIPS_SYS(sys_io_destroy , 1) | |
2035 | MIPS_SYS(sys_io_getevents, 5) | |
2036 | MIPS_SYS(sys_io_submit , 3) | |
2037 | MIPS_SYS(sys_io_cancel , 3) /* 4245 */ | |
2038 | MIPS_SYS(sys_exit_group , 1) | |
2039 | MIPS_SYS(sys_lookup_dcookie, 3) | |
2040 | MIPS_SYS(sys_epoll_create, 1) | |
2041 | MIPS_SYS(sys_epoll_ctl , 4) | |
2042 | MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ | |
2043 | MIPS_SYS(sys_remap_file_pages, 5) | |
2044 | MIPS_SYS(sys_set_tid_address, 1) | |
2045 | MIPS_SYS(sys_restart_syscall, 0) | |
2046 | MIPS_SYS(sys_fadvise64_64, 7) | |
2047 | MIPS_SYS(sys_statfs64 , 3) /* 4255 */ | |
2048 | MIPS_SYS(sys_fstatfs64 , 2) | |
2049 | MIPS_SYS(sys_timer_create, 3) | |
2050 | MIPS_SYS(sys_timer_settime, 4) | |
2051 | MIPS_SYS(sys_timer_gettime, 2) | |
2052 | MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ | |
2053 | MIPS_SYS(sys_timer_delete, 1) | |
2054 | MIPS_SYS(sys_clock_settime, 2) | |
2055 | MIPS_SYS(sys_clock_gettime, 2) | |
2056 | MIPS_SYS(sys_clock_getres, 2) | |
2057 | MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ | |
2058 | MIPS_SYS(sys_tgkill , 3) | |
2059 | MIPS_SYS(sys_utimes , 2) | |
2060 | MIPS_SYS(sys_mbind , 4) | |
2061 | MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ | |
2062 | MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ | |
2063 | MIPS_SYS(sys_mq_open , 4) | |
2064 | MIPS_SYS(sys_mq_unlink , 1) | |
2065 | MIPS_SYS(sys_mq_timedsend, 5) | |
2066 | MIPS_SYS(sys_mq_timedreceive, 5) | |
2067 | MIPS_SYS(sys_mq_notify , 2) /* 4275 */ | |
2068 | MIPS_SYS(sys_mq_getsetattr, 3) | |
2069 | MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ | |
2070 | MIPS_SYS(sys_waitid , 4) | |
2071 | MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ | |
2072 | MIPS_SYS(sys_add_key , 5) | |
388bb21a | 2073 | MIPS_SYS(sys_request_key, 4) |
048f6b4d | 2074 | MIPS_SYS(sys_keyctl , 5) |
6f5b89a0 | 2075 | MIPS_SYS(sys_set_thread_area, 1) |
388bb21a TS |
2076 | MIPS_SYS(sys_inotify_init, 0) |
2077 | MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */ | |
2078 | MIPS_SYS(sys_inotify_rm_watch, 2) | |
2079 | MIPS_SYS(sys_migrate_pages, 4) | |
2080 | MIPS_SYS(sys_openat, 4) | |
2081 | MIPS_SYS(sys_mkdirat, 3) | |
2082 | MIPS_SYS(sys_mknodat, 4) /* 4290 */ | |
2083 | MIPS_SYS(sys_fchownat, 5) | |
2084 | MIPS_SYS(sys_futimesat, 3) | |
2085 | MIPS_SYS(sys_fstatat64, 4) | |
2086 | MIPS_SYS(sys_unlinkat, 3) | |
2087 | MIPS_SYS(sys_renameat, 4) /* 4295 */ | |
2088 | MIPS_SYS(sys_linkat, 5) | |
2089 | MIPS_SYS(sys_symlinkat, 3) | |
2090 | MIPS_SYS(sys_readlinkat, 4) | |
2091 | MIPS_SYS(sys_fchmodat, 3) | |
2092 | MIPS_SYS(sys_faccessat, 3) /* 4300 */ | |
2093 | MIPS_SYS(sys_pselect6, 6) | |
2094 | MIPS_SYS(sys_ppoll, 5) | |
2095 | MIPS_SYS(sys_unshare, 1) | |
2096 | MIPS_SYS(sys_splice, 4) | |
2097 | MIPS_SYS(sys_sync_file_range, 7) /* 4305 */ | |
2098 | MIPS_SYS(sys_tee, 4) | |
2099 | MIPS_SYS(sys_vmsplice, 4) | |
2100 | MIPS_SYS(sys_move_pages, 6) | |
2101 | MIPS_SYS(sys_set_robust_list, 2) | |
2102 | MIPS_SYS(sys_get_robust_list, 3) /* 4310 */ | |
2103 | MIPS_SYS(sys_kexec_load, 4) | |
2104 | MIPS_SYS(sys_getcpu, 3) | |
2105 | MIPS_SYS(sys_epoll_pwait, 6) | |
2106 | MIPS_SYS(sys_ioprio_set, 3) | |
2107 | MIPS_SYS(sys_ioprio_get, 2) | |
d979e8eb PM |
2108 | MIPS_SYS(sys_utimensat, 4) |
2109 | MIPS_SYS(sys_signalfd, 3) | |
2110 | MIPS_SYS(sys_ni_syscall, 0) /* was timerfd */ | |
2111 | MIPS_SYS(sys_eventfd, 1) | |
2112 | MIPS_SYS(sys_fallocate, 6) /* 4320 */ | |
2113 | MIPS_SYS(sys_timerfd_create, 2) | |
2114 | MIPS_SYS(sys_timerfd_gettime, 2) | |
2115 | MIPS_SYS(sys_timerfd_settime, 4) | |
2116 | MIPS_SYS(sys_signalfd4, 4) | |
2117 | MIPS_SYS(sys_eventfd2, 2) /* 4325 */ | |
2118 | MIPS_SYS(sys_epoll_create1, 1) | |
2119 | MIPS_SYS(sys_dup3, 3) | |
2120 | MIPS_SYS(sys_pipe2, 2) | |
2121 | MIPS_SYS(sys_inotify_init1, 1) | |
2122 | MIPS_SYS(sys_preadv, 6) /* 4330 */ | |
2123 | MIPS_SYS(sys_pwritev, 6) | |
2124 | MIPS_SYS(sys_rt_tgsigqueueinfo, 4) | |
2125 | MIPS_SYS(sys_perf_event_open, 5) | |
2126 | MIPS_SYS(sys_accept4, 4) | |
2127 | MIPS_SYS(sys_recvmmsg, 5) /* 4335 */ | |
2128 | MIPS_SYS(sys_fanotify_init, 2) | |
2129 | MIPS_SYS(sys_fanotify_mark, 6) | |
2130 | MIPS_SYS(sys_prlimit64, 4) | |
2131 | MIPS_SYS(sys_name_to_handle_at, 5) | |
2132 | MIPS_SYS(sys_open_by_handle_at, 3) /* 4340 */ | |
2133 | MIPS_SYS(sys_clock_adjtime, 2) | |
2134 | MIPS_SYS(sys_syncfs, 1) | |
048f6b4d FB |
2135 | }; |
2136 | ||
2137 | #undef MIPS_SYS | |
2138 | ||
590bc601 PB |
2139 | static int do_store_exclusive(CPUMIPSState *env) |
2140 | { | |
2141 | target_ulong addr; | |
2142 | target_ulong page_addr; | |
2143 | target_ulong val; | |
2144 | int flags; | |
2145 | int segv = 0; | |
2146 | int reg; | |
2147 | int d; | |
2148 | ||
5499b6ff | 2149 | addr = env->lladdr; |
590bc601 PB |
2150 | page_addr = addr & TARGET_PAGE_MASK; |
2151 | start_exclusive(); | |
2152 | mmap_lock(); | |
2153 | flags = page_get_flags(page_addr); | |
2154 | if ((flags & PAGE_READ) == 0) { | |
2155 | segv = 1; | |
2156 | } else { | |
2157 | reg = env->llreg & 0x1f; | |
2158 | d = (env->llreg & 0x20) != 0; | |
2159 | if (d) { | |
2160 | segv = get_user_s64(val, addr); | |
2161 | } else { | |
2162 | segv = get_user_s32(val, addr); | |
2163 | } | |
2164 | if (!segv) { | |
2165 | if (val != env->llval) { | |
2166 | env->active_tc.gpr[reg] = 0; | |
2167 | } else { | |
2168 | if (d) { | |
2169 | segv = put_user_u64(env->llnewval, addr); | |
2170 | } else { | |
2171 | segv = put_user_u32(env->llnewval, addr); | |
2172 | } | |
2173 | if (!segv) { | |
2174 | env->active_tc.gpr[reg] = 1; | |
2175 | } | |
2176 | } | |
2177 | } | |
2178 | } | |
5499b6ff | 2179 | env->lladdr = -1; |
590bc601 PB |
2180 | if (!segv) { |
2181 | env->active_tc.PC += 4; | |
2182 | } | |
2183 | mmap_unlock(); | |
2184 | end_exclusive(); | |
2185 | return segv; | |
2186 | } | |
2187 | ||
048f6b4d FB |
2188 | void cpu_loop(CPUMIPSState *env) |
2189 | { | |
c227f099 | 2190 | target_siginfo_t info; |
388bb21a | 2191 | int trapnr, ret; |
048f6b4d | 2192 | unsigned int syscall_num; |
048f6b4d FB |
2193 | |
2194 | for(;;) { | |
590bc601 | 2195 | cpu_exec_start(env); |
048f6b4d | 2196 | trapnr = cpu_mips_exec(env); |
590bc601 | 2197 | cpu_exec_end(env); |
048f6b4d FB |
2198 | switch(trapnr) { |
2199 | case EXCP_SYSCALL: | |
b5dc7732 TS |
2200 | syscall_num = env->active_tc.gpr[2] - 4000; |
2201 | env->active_tc.PC += 4; | |
388bb21a | 2202 | if (syscall_num >= sizeof(mips_syscall_args)) { |
7c2f6157 | 2203 | ret = -TARGET_ENOSYS; |
388bb21a TS |
2204 | } else { |
2205 | int nb_args; | |
992f48a0 BS |
2206 | abi_ulong sp_reg; |
2207 | abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0; | |
388bb21a TS |
2208 | |
2209 | nb_args = mips_syscall_args[syscall_num]; | |
b5dc7732 | 2210 | sp_reg = env->active_tc.gpr[29]; |
388bb21a TS |
2211 | switch (nb_args) { |
2212 | /* these arguments are taken from the stack */ | |
94c19610 ACH |
2213 | case 8: |
2214 | if ((ret = get_user_ual(arg8, sp_reg + 28)) != 0) { | |
2215 | goto done_syscall; | |
2216 | } | |
2217 | case 7: | |
2218 | if ((ret = get_user_ual(arg7, sp_reg + 24)) != 0) { | |
2219 | goto done_syscall; | |
2220 | } | |
2221 | case 6: | |
2222 | if ((ret = get_user_ual(arg6, sp_reg + 20)) != 0) { | |
2223 | goto done_syscall; | |
2224 | } | |
2225 | case 5: | |
2226 | if ((ret = get_user_ual(arg5, sp_reg + 16)) != 0) { | |
2227 | goto done_syscall; | |
2228 | } | |
388bb21a TS |
2229 | default: |
2230 | break; | |
048f6b4d | 2231 | } |
b5dc7732 TS |
2232 | ret = do_syscall(env, env->active_tc.gpr[2], |
2233 | env->active_tc.gpr[4], | |
2234 | env->active_tc.gpr[5], | |
2235 | env->active_tc.gpr[6], | |
2236 | env->active_tc.gpr[7], | |
5945cfcb | 2237 | arg5, arg6, arg7, arg8); |
388bb21a | 2238 | } |
94c19610 | 2239 | done_syscall: |
0b1bcb00 PB |
2240 | if (ret == -TARGET_QEMU_ESIGRETURN) { |
2241 | /* Returning from a successful sigreturn syscall. | |
2242 | Avoid clobbering register state. */ | |
2243 | break; | |
2244 | } | |
388bb21a | 2245 | if ((unsigned int)ret >= (unsigned int)(-1133)) { |
b5dc7732 | 2246 | env->active_tc.gpr[7] = 1; /* error flag */ |
388bb21a TS |
2247 | ret = -ret; |
2248 | } else { | |
b5dc7732 | 2249 | env->active_tc.gpr[7] = 0; /* error flag */ |
048f6b4d | 2250 | } |
b5dc7732 | 2251 | env->active_tc.gpr[2] = ret; |
048f6b4d | 2252 | break; |
ca7c2b1b TS |
2253 | case EXCP_TLBL: |
2254 | case EXCP_TLBS: | |
e6e5bd2d WT |
2255 | case EXCP_AdEL: |
2256 | case EXCP_AdES: | |
e4474235 PB |
2257 | info.si_signo = TARGET_SIGSEGV; |
2258 | info.si_errno = 0; | |
2259 | /* XXX: check env->error_code */ | |
2260 | info.si_code = TARGET_SEGV_MAPERR; | |
2261 | info._sifields._sigfault._addr = env->CP0_BadVAddr; | |
2262 | queue_signal(env, info.si_signo, &info); | |
2263 | break; | |
6900e84b | 2264 | case EXCP_CpU: |
048f6b4d | 2265 | case EXCP_RI: |
bc1ad2de FB |
2266 | info.si_signo = TARGET_SIGILL; |
2267 | info.si_errno = 0; | |
2268 | info.si_code = 0; | |
624f7979 | 2269 | queue_signal(env, info.si_signo, &info); |
048f6b4d | 2270 | break; |
106ec879 FB |
2271 | case EXCP_INTERRUPT: |
2272 | /* just indicate that signals should be handled asap */ | |
2273 | break; | |
d08b2a28 PB |
2274 | case EXCP_DEBUG: |
2275 | { | |
2276 | int sig; | |
2277 | ||
2278 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
2279 | if (sig) | |
2280 | { | |
2281 | info.si_signo = sig; | |
2282 | info.si_errno = 0; | |
2283 | info.si_code = TARGET_TRAP_BRKPT; | |
624f7979 | 2284 | queue_signal(env, info.si_signo, &info); |
d08b2a28 PB |
2285 | } |
2286 | } | |
2287 | break; | |
590bc601 PB |
2288 | case EXCP_SC: |
2289 | if (do_store_exclusive(env)) { | |
2290 | info.si_signo = TARGET_SIGSEGV; | |
2291 | info.si_errno = 0; | |
2292 | info.si_code = TARGET_SEGV_MAPERR; | |
2293 | info._sifields._sigfault._addr = env->active_tc.PC; | |
2294 | queue_signal(env, info.si_signo, &info); | |
2295 | } | |
2296 | break; | |
048f6b4d FB |
2297 | default: |
2298 | // error: | |
5fafdf24 | 2299 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", |
048f6b4d FB |
2300 | trapnr); |
2301 | cpu_dump_state(env, stderr, fprintf, 0); | |
2302 | abort(); | |
2303 | } | |
2304 | process_pending_signals(env); | |
2305 | } | |
2306 | } | |
2307 | #endif | |
2308 | ||
fdf9b3e8 | 2309 | #ifdef TARGET_SH4 |
05390248 | 2310 | void cpu_loop(CPUSH4State *env) |
fdf9b3e8 FB |
2311 | { |
2312 | int trapnr, ret; | |
c227f099 | 2313 | target_siginfo_t info; |
3b46e624 | 2314 | |
fdf9b3e8 FB |
2315 | while (1) { |
2316 | trapnr = cpu_sh4_exec (env); | |
3b46e624 | 2317 | |
fdf9b3e8 FB |
2318 | switch (trapnr) { |
2319 | case 0x160: | |
0b6d3ae0 | 2320 | env->pc += 2; |
5fafdf24 TS |
2321 | ret = do_syscall(env, |
2322 | env->gregs[3], | |
2323 | env->gregs[4], | |
2324 | env->gregs[5], | |
2325 | env->gregs[6], | |
2326 | env->gregs[7], | |
2327 | env->gregs[0], | |
5945cfcb PM |
2328 | env->gregs[1], |
2329 | 0, 0); | |
9c2a9ea1 | 2330 | env->gregs[0] = ret; |
fdf9b3e8 | 2331 | break; |
c3b5bc8a TS |
2332 | case EXCP_INTERRUPT: |
2333 | /* just indicate that signals should be handled asap */ | |
2334 | break; | |
355fb23d PB |
2335 | case EXCP_DEBUG: |
2336 | { | |
2337 | int sig; | |
2338 | ||
2339 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
2340 | if (sig) | |
2341 | { | |
2342 | info.si_signo = sig; | |
2343 | info.si_errno = 0; | |
2344 | info.si_code = TARGET_TRAP_BRKPT; | |
624f7979 | 2345 | queue_signal(env, info.si_signo, &info); |
355fb23d PB |
2346 | } |
2347 | } | |
2348 | break; | |
c3b5bc8a TS |
2349 | case 0xa0: |
2350 | case 0xc0: | |
2351 | info.si_signo = SIGSEGV; | |
2352 | info.si_errno = 0; | |
2353 | info.si_code = TARGET_SEGV_MAPERR; | |
2354 | info._sifields._sigfault._addr = env->tea; | |
624f7979 | 2355 | queue_signal(env, info.si_signo, &info); |
c3b5bc8a TS |
2356 | break; |
2357 | ||
fdf9b3e8 FB |
2358 | default: |
2359 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
2360 | cpu_dump_state(env, stderr, fprintf, 0); | |
2361 | exit (1); | |
2362 | } | |
2363 | process_pending_signals (env); | |
2364 | } | |
2365 | } | |
2366 | #endif | |
2367 | ||
48733d19 | 2368 | #ifdef TARGET_CRIS |
05390248 | 2369 | void cpu_loop(CPUCRISState *env) |
48733d19 TS |
2370 | { |
2371 | int trapnr, ret; | |
c227f099 | 2372 | target_siginfo_t info; |
48733d19 TS |
2373 | |
2374 | while (1) { | |
2375 | trapnr = cpu_cris_exec (env); | |
2376 | switch (trapnr) { | |
2377 | case 0xaa: | |
2378 | { | |
2379 | info.si_signo = SIGSEGV; | |
2380 | info.si_errno = 0; | |
2381 | /* XXX: check env->error_code */ | |
2382 | info.si_code = TARGET_SEGV_MAPERR; | |
e00c1e71 | 2383 | info._sifields._sigfault._addr = env->pregs[PR_EDA]; |
624f7979 | 2384 | queue_signal(env, info.si_signo, &info); |
48733d19 TS |
2385 | } |
2386 | break; | |
b6d3abda EI |
2387 | case EXCP_INTERRUPT: |
2388 | /* just indicate that signals should be handled asap */ | |
2389 | break; | |
48733d19 TS |
2390 | case EXCP_BREAK: |
2391 | ret = do_syscall(env, | |
2392 | env->regs[9], | |
2393 | env->regs[10], | |
2394 | env->regs[11], | |
2395 | env->regs[12], | |
2396 | env->regs[13], | |
2397 | env->pregs[7], | |
5945cfcb PM |
2398 | env->pregs[11], |
2399 | 0, 0); | |
48733d19 | 2400 | env->regs[10] = ret; |
48733d19 TS |
2401 | break; |
2402 | case EXCP_DEBUG: | |
2403 | { | |
2404 | int sig; | |
2405 | ||
2406 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
2407 | if (sig) | |
2408 | { | |
2409 | info.si_signo = sig; | |
2410 | info.si_errno = 0; | |
2411 | info.si_code = TARGET_TRAP_BRKPT; | |
624f7979 | 2412 | queue_signal(env, info.si_signo, &info); |
48733d19 TS |
2413 | } |
2414 | } | |
2415 | break; | |
2416 | default: | |
2417 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
2418 | cpu_dump_state(env, stderr, fprintf, 0); | |
2419 | exit (1); | |
2420 | } | |
2421 | process_pending_signals (env); | |
2422 | } | |
2423 | } | |
2424 | #endif | |
2425 | ||
b779e29e | 2426 | #ifdef TARGET_MICROBLAZE |
05390248 | 2427 | void cpu_loop(CPUMBState *env) |
b779e29e EI |
2428 | { |
2429 | int trapnr, ret; | |
c227f099 | 2430 | target_siginfo_t info; |
b779e29e EI |
2431 | |
2432 | while (1) { | |
2433 | trapnr = cpu_mb_exec (env); | |
2434 | switch (trapnr) { | |
2435 | case 0xaa: | |
2436 | { | |
2437 | info.si_signo = SIGSEGV; | |
2438 | info.si_errno = 0; | |
2439 | /* XXX: check env->error_code */ | |
2440 | info.si_code = TARGET_SEGV_MAPERR; | |
2441 | info._sifields._sigfault._addr = 0; | |
2442 | queue_signal(env, info.si_signo, &info); | |
2443 | } | |
2444 | break; | |
2445 | case EXCP_INTERRUPT: | |
2446 | /* just indicate that signals should be handled asap */ | |
2447 | break; | |
2448 | case EXCP_BREAK: | |
2449 | /* Return address is 4 bytes after the call. */ | |
2450 | env->regs[14] += 4; | |
2451 | ret = do_syscall(env, | |
2452 | env->regs[12], | |
2453 | env->regs[5], | |
2454 | env->regs[6], | |
2455 | env->regs[7], | |
2456 | env->regs[8], | |
2457 | env->regs[9], | |
5945cfcb PM |
2458 | env->regs[10], |
2459 | 0, 0); | |
b779e29e EI |
2460 | env->regs[3] = ret; |
2461 | env->sregs[SR_PC] = env->regs[14]; | |
2462 | break; | |
b76da7e3 EI |
2463 | case EXCP_HW_EXCP: |
2464 | env->regs[17] = env->sregs[SR_PC] + 4; | |
2465 | if (env->iflags & D_FLAG) { | |
2466 | env->sregs[SR_ESR] |= 1 << 12; | |
2467 | env->sregs[SR_PC] -= 4; | |
b4916d7b | 2468 | /* FIXME: if branch was immed, replay the imm as well. */ |
b76da7e3 EI |
2469 | } |
2470 | ||
2471 | env->iflags &= ~(IMM_FLAG | D_FLAG); | |
2472 | ||
2473 | switch (env->sregs[SR_ESR] & 31) { | |
22a78d64 EI |
2474 | case ESR_EC_DIVZERO: |
2475 | info.si_signo = SIGFPE; | |
2476 | info.si_errno = 0; | |
2477 | info.si_code = TARGET_FPE_FLTDIV; | |
2478 | info._sifields._sigfault._addr = 0; | |
2479 | queue_signal(env, info.si_signo, &info); | |
2480 | break; | |
b76da7e3 EI |
2481 | case ESR_EC_FPU: |
2482 | info.si_signo = SIGFPE; | |
2483 | info.si_errno = 0; | |
2484 | if (env->sregs[SR_FSR] & FSR_IO) { | |
2485 | info.si_code = TARGET_FPE_FLTINV; | |
2486 | } | |
2487 | if (env->sregs[SR_FSR] & FSR_DZ) { | |
2488 | info.si_code = TARGET_FPE_FLTDIV; | |
2489 | } | |
2490 | info._sifields._sigfault._addr = 0; | |
2491 | queue_signal(env, info.si_signo, &info); | |
2492 | break; | |
2493 | default: | |
2494 | printf ("Unhandled hw-exception: 0x%x\n", | |
2e42d52d | 2495 | env->sregs[SR_ESR] & ESR_EC_MASK); |
b76da7e3 EI |
2496 | cpu_dump_state(env, stderr, fprintf, 0); |
2497 | exit (1); | |
2498 | break; | |
2499 | } | |
2500 | break; | |
b779e29e EI |
2501 | case EXCP_DEBUG: |
2502 | { | |
2503 | int sig; | |
2504 | ||
2505 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
2506 | if (sig) | |
2507 | { | |
2508 | info.si_signo = sig; | |
2509 | info.si_errno = 0; | |
2510 | info.si_code = TARGET_TRAP_BRKPT; | |
2511 | queue_signal(env, info.si_signo, &info); | |
2512 | } | |
2513 | } | |
2514 | break; | |
2515 | default: | |
2516 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
2517 | cpu_dump_state(env, stderr, fprintf, 0); | |
2518 | exit (1); | |
2519 | } | |
2520 | process_pending_signals (env); | |
2521 | } | |
2522 | } | |
2523 | #endif | |
2524 | ||
e6e5906b PB |
2525 | #ifdef TARGET_M68K |
2526 | ||
2527 | void cpu_loop(CPUM68KState *env) | |
2528 | { | |
2529 | int trapnr; | |
2530 | unsigned int n; | |
c227f099 | 2531 | target_siginfo_t info; |
e6e5906b | 2532 | TaskState *ts = env->opaque; |
3b46e624 | 2533 | |
e6e5906b PB |
2534 | for(;;) { |
2535 | trapnr = cpu_m68k_exec(env); | |
2536 | switch(trapnr) { | |
2537 | case EXCP_ILLEGAL: | |
2538 | { | |
2539 | if (ts->sim_syscalls) { | |
2540 | uint16_t nr; | |
2541 | nr = lduw(env->pc + 2); | |
2542 | env->pc += 4; | |
2543 | do_m68k_simcall(env, nr); | |
2544 | } else { | |
2545 | goto do_sigill; | |
2546 | } | |
2547 | } | |
2548 | break; | |
a87295e8 | 2549 | case EXCP_HALT_INSN: |
e6e5906b | 2550 | /* Semihosing syscall. */ |
a87295e8 | 2551 | env->pc += 4; |
e6e5906b PB |
2552 | do_m68k_semihosting(env, env->dregs[0]); |
2553 | break; | |
2554 | case EXCP_LINEA: | |
2555 | case EXCP_LINEF: | |
2556 | case EXCP_UNSUPPORTED: | |
2557 | do_sigill: | |
2558 | info.si_signo = SIGILL; | |
2559 | info.si_errno = 0; | |
2560 | info.si_code = TARGET_ILL_ILLOPN; | |
2561 | info._sifields._sigfault._addr = env->pc; | |
624f7979 | 2562 | queue_signal(env, info.si_signo, &info); |
e6e5906b PB |
2563 | break; |
2564 | case EXCP_TRAP0: | |
2565 | { | |
2566 | ts->sim_syscalls = 0; | |
2567 | n = env->dregs[0]; | |
2568 | env->pc += 2; | |
5fafdf24 TS |
2569 | env->dregs[0] = do_syscall(env, |
2570 | n, | |
e6e5906b PB |
2571 | env->dregs[1], |
2572 | env->dregs[2], | |
2573 | env->dregs[3], | |
2574 | env->dregs[4], | |
2575 | env->dregs[5], | |
5945cfcb PM |
2576 | env->aregs[0], |
2577 | 0, 0); | |
e6e5906b PB |
2578 | } |
2579 | break; | |
2580 | case EXCP_INTERRUPT: | |
2581 | /* just indicate that signals should be handled asap */ | |
2582 | break; | |
2583 | case EXCP_ACCESS: | |
2584 | { | |
2585 | info.si_signo = SIGSEGV; | |
2586 | info.si_errno = 0; | |
2587 | /* XXX: check env->error_code */ | |
2588 | info.si_code = TARGET_SEGV_MAPERR; | |
2589 | info._sifields._sigfault._addr = env->mmu.ar; | |
624f7979 | 2590 | queue_signal(env, info.si_signo, &info); |
e6e5906b PB |
2591 | } |
2592 | break; | |
2593 | case EXCP_DEBUG: | |
2594 | { | |
2595 | int sig; | |
2596 | ||
2597 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
2598 | if (sig) | |
2599 | { | |
2600 | info.si_signo = sig; | |
2601 | info.si_errno = 0; | |
2602 | info.si_code = TARGET_TRAP_BRKPT; | |
624f7979 | 2603 | queue_signal(env, info.si_signo, &info); |
e6e5906b PB |
2604 | } |
2605 | } | |
2606 | break; | |
2607 | default: | |
5fafdf24 | 2608 | fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", |
e6e5906b PB |
2609 | trapnr); |
2610 | cpu_dump_state(env, stderr, fprintf, 0); | |
2611 | abort(); | |
2612 | } | |
2613 | process_pending_signals(env); | |
2614 | } | |
2615 | } | |
2616 | #endif /* TARGET_M68K */ | |
2617 | ||
7a3148a9 | 2618 | #ifdef TARGET_ALPHA |
6910b8f6 RH |
2619 | static void do_store_exclusive(CPUAlphaState *env, int reg, int quad) |
2620 | { | |
2621 | target_ulong addr, val, tmp; | |
2622 | target_siginfo_t info; | |
2623 | int ret = 0; | |
2624 | ||
2625 | addr = env->lock_addr; | |
2626 | tmp = env->lock_st_addr; | |
2627 | env->lock_addr = -1; | |
2628 | env->lock_st_addr = 0; | |
2629 | ||
2630 | start_exclusive(); | |
2631 | mmap_lock(); | |
2632 | ||
2633 | if (addr == tmp) { | |
2634 | if (quad ? get_user_s64(val, addr) : get_user_s32(val, addr)) { | |
2635 | goto do_sigsegv; | |
2636 | } | |
2637 | ||
2638 | if (val == env->lock_value) { | |
2639 | tmp = env->ir[reg]; | |
2640 | if (quad ? put_user_u64(tmp, addr) : put_user_u32(tmp, addr)) { | |
2641 | goto do_sigsegv; | |
2642 | } | |
2643 | ret = 1; | |
2644 | } | |
2645 | } | |
2646 | env->ir[reg] = ret; | |
2647 | env->pc += 4; | |
2648 | ||
2649 | mmap_unlock(); | |
2650 | end_exclusive(); | |
2651 | return; | |
2652 | ||
2653 | do_sigsegv: | |
2654 | mmap_unlock(); | |
2655 | end_exclusive(); | |
2656 | ||
2657 | info.si_signo = TARGET_SIGSEGV; | |
2658 | info.si_errno = 0; | |
2659 | info.si_code = TARGET_SEGV_MAPERR; | |
2660 | info._sifields._sigfault._addr = addr; | |
2661 | queue_signal(env, TARGET_SIGSEGV, &info); | |
2662 | } | |
2663 | ||
05390248 | 2664 | void cpu_loop(CPUAlphaState *env) |
7a3148a9 | 2665 | { |
e96efcfc | 2666 | int trapnr; |
c227f099 | 2667 | target_siginfo_t info; |
6049f4f8 | 2668 | abi_long sysret; |
3b46e624 | 2669 | |
7a3148a9 JM |
2670 | while (1) { |
2671 | trapnr = cpu_alpha_exec (env); | |
3b46e624 | 2672 | |
ac316ca4 RH |
2673 | /* All of the traps imply a transition through PALcode, which |
2674 | implies an REI instruction has been executed. Which means | |
2675 | that the intr_flag should be cleared. */ | |
2676 | env->intr_flag = 0; | |
2677 | ||
7a3148a9 JM |
2678 | switch (trapnr) { |
2679 | case EXCP_RESET: | |
2680 | fprintf(stderr, "Reset requested. Exit\n"); | |
2681 | exit(1); | |
2682 | break; | |
2683 | case EXCP_MCHK: | |
2684 | fprintf(stderr, "Machine check exception. Exit\n"); | |
2685 | exit(1); | |
2686 | break; | |
07b6c13b RH |
2687 | case EXCP_SMP_INTERRUPT: |
2688 | case EXCP_CLK_INTERRUPT: | |
2689 | case EXCP_DEV_INTERRUPT: | |
5fafdf24 | 2690 | fprintf(stderr, "External interrupt. Exit\n"); |
7a3148a9 JM |
2691 | exit(1); |
2692 | break; | |
07b6c13b | 2693 | case EXCP_MMFAULT: |
6910b8f6 | 2694 | env->lock_addr = -1; |
6049f4f8 RH |
2695 | info.si_signo = TARGET_SIGSEGV; |
2696 | info.si_errno = 0; | |
129d8aa5 | 2697 | info.si_code = (page_get_flags(env->trap_arg0) & PAGE_VALID |
0be1d07c | 2698 | ? TARGET_SEGV_ACCERR : TARGET_SEGV_MAPERR); |
129d8aa5 | 2699 | info._sifields._sigfault._addr = env->trap_arg0; |
6049f4f8 | 2700 | queue_signal(env, info.si_signo, &info); |
7a3148a9 | 2701 | break; |
7a3148a9 | 2702 | case EXCP_UNALIGN: |
6910b8f6 | 2703 | env->lock_addr = -1; |
6049f4f8 RH |
2704 | info.si_signo = TARGET_SIGBUS; |
2705 | info.si_errno = 0; | |
2706 | info.si_code = TARGET_BUS_ADRALN; | |
129d8aa5 | 2707 | info._sifields._sigfault._addr = env->trap_arg0; |
6049f4f8 | 2708 | queue_signal(env, info.si_signo, &info); |
7a3148a9 JM |
2709 | break; |
2710 | case EXCP_OPCDEC: | |
6049f4f8 | 2711 | do_sigill: |
6910b8f6 | 2712 | env->lock_addr = -1; |
6049f4f8 RH |
2713 | info.si_signo = TARGET_SIGILL; |
2714 | info.si_errno = 0; | |
2715 | info.si_code = TARGET_ILL_ILLOPC; | |
2716 | info._sifields._sigfault._addr = env->pc; | |
2717 | queue_signal(env, info.si_signo, &info); | |
7a3148a9 | 2718 | break; |
07b6c13b RH |
2719 | case EXCP_ARITH: |
2720 | env->lock_addr = -1; | |
2721 | info.si_signo = TARGET_SIGFPE; | |
2722 | info.si_errno = 0; | |
2723 | info.si_code = TARGET_FPE_FLTINV; | |
2724 | info._sifields._sigfault._addr = env->pc; | |
2725 | queue_signal(env, info.si_signo, &info); | |
2726 | break; | |
7a3148a9 | 2727 | case EXCP_FEN: |
6049f4f8 | 2728 | /* No-op. Linux simply re-enables the FPU. */ |
7a3148a9 | 2729 | break; |
07b6c13b | 2730 | case EXCP_CALL_PAL: |
6910b8f6 | 2731 | env->lock_addr = -1; |
07b6c13b | 2732 | switch (env->error_code) { |
6049f4f8 RH |
2733 | case 0x80: |
2734 | /* BPT */ | |
2735 | info.si_signo = TARGET_SIGTRAP; | |
2736 | info.si_errno = 0; | |
2737 | info.si_code = TARGET_TRAP_BRKPT; | |
2738 | info._sifields._sigfault._addr = env->pc; | |
2739 | queue_signal(env, info.si_signo, &info); | |
2740 | break; | |
2741 | case 0x81: | |
2742 | /* BUGCHK */ | |
2743 | info.si_signo = TARGET_SIGTRAP; | |
2744 | info.si_errno = 0; | |
2745 | info.si_code = 0; | |
2746 | info._sifields._sigfault._addr = env->pc; | |
2747 | queue_signal(env, info.si_signo, &info); | |
2748 | break; | |
2749 | case 0x83: | |
2750 | /* CALLSYS */ | |
2751 | trapnr = env->ir[IR_V0]; | |
2752 | sysret = do_syscall(env, trapnr, | |
2753 | env->ir[IR_A0], env->ir[IR_A1], | |
2754 | env->ir[IR_A2], env->ir[IR_A3], | |
5945cfcb PM |
2755 | env->ir[IR_A4], env->ir[IR_A5], |
2756 | 0, 0); | |
a5b3b13b RH |
2757 | if (trapnr == TARGET_NR_sigreturn |
2758 | || trapnr == TARGET_NR_rt_sigreturn) { | |
2759 | break; | |
2760 | } | |
2761 | /* Syscall writes 0 to V0 to bypass error check, similar | |
2762 | to how this is handled internal to Linux kernel. */ | |
2763 | if (env->ir[IR_V0] == 0) { | |
2764 | env->ir[IR_V0] = sysret; | |
2765 | } else { | |
6049f4f8 RH |
2766 | env->ir[IR_V0] = (sysret < 0 ? -sysret : sysret); |
2767 | env->ir[IR_A3] = (sysret < 0); | |
2768 | } | |
2769 | break; | |
2770 | case 0x86: | |
2771 | /* IMB */ | |
2772 | /* ??? We can probably elide the code using page_unprotect | |
2773 | that is checking for self-modifying code. Instead we | |
2774 | could simply call tb_flush here. Until we work out the | |
2775 | changes required to turn off the extra write protection, | |
2776 | this can be a no-op. */ | |
2777 | break; | |
2778 | case 0x9E: | |
2779 | /* RDUNIQUE */ | |
2780 | /* Handled in the translator for usermode. */ | |
2781 | abort(); | |
2782 | case 0x9F: | |
2783 | /* WRUNIQUE */ | |
2784 | /* Handled in the translator for usermode. */ | |
2785 | abort(); | |
2786 | case 0xAA: | |
2787 | /* GENTRAP */ | |
2788 | info.si_signo = TARGET_SIGFPE; | |
2789 | switch (env->ir[IR_A0]) { | |
2790 | case TARGET_GEN_INTOVF: | |
2791 | info.si_code = TARGET_FPE_INTOVF; | |
2792 | break; | |
2793 | case TARGET_GEN_INTDIV: | |
2794 | info.si_code = TARGET_FPE_INTDIV; | |
2795 | break; | |
2796 | case TARGET_GEN_FLTOVF: | |
2797 | info.si_code = TARGET_FPE_FLTOVF; | |
2798 | break; | |
2799 | case TARGET_GEN_FLTUND: | |
2800 | info.si_code = TARGET_FPE_FLTUND; | |
2801 | break; | |
2802 | case TARGET_GEN_FLTINV: | |
2803 | info.si_code = TARGET_FPE_FLTINV; | |
2804 | break; | |
2805 | case TARGET_GEN_FLTINE: | |
2806 | info.si_code = TARGET_FPE_FLTRES; | |
2807 | break; | |
2808 | case TARGET_GEN_ROPRAND: | |
2809 | info.si_code = 0; | |
2810 | break; | |
2811 | default: | |
2812 | info.si_signo = TARGET_SIGTRAP; | |
2813 | info.si_code = 0; | |
2814 | break; | |
2815 | } | |
2816 | info.si_errno = 0; | |
2817 | info._sifields._sigfault._addr = env->pc; | |
2818 | queue_signal(env, info.si_signo, &info); | |
2819 | break; | |
2820 | default: | |
2821 | goto do_sigill; | |
2822 | } | |
7a3148a9 | 2823 | break; |
7a3148a9 | 2824 | case EXCP_DEBUG: |
6049f4f8 RH |
2825 | info.si_signo = gdb_handlesig (env, TARGET_SIGTRAP); |
2826 | if (info.si_signo) { | |
6910b8f6 | 2827 | env->lock_addr = -1; |
6049f4f8 RH |
2828 | info.si_errno = 0; |
2829 | info.si_code = TARGET_TRAP_BRKPT; | |
2830 | queue_signal(env, info.si_signo, &info); | |
7a3148a9 JM |
2831 | } |
2832 | break; | |
6910b8f6 RH |
2833 | case EXCP_STL_C: |
2834 | case EXCP_STQ_C: | |
2835 | do_store_exclusive(env, env->error_code, trapnr - EXCP_STL_C); | |
2836 | break; | |
7a3148a9 JM |
2837 | default: |
2838 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
2839 | cpu_dump_state(env, stderr, fprintf, 0); | |
2840 | exit (1); | |
2841 | } | |
2842 | process_pending_signals (env); | |
2843 | } | |
2844 | } | |
2845 | #endif /* TARGET_ALPHA */ | |
2846 | ||
a4c075f1 UH |
2847 | #ifdef TARGET_S390X |
2848 | void cpu_loop(CPUS390XState *env) | |
2849 | { | |
2850 | int trapnr; | |
2851 | target_siginfo_t info; | |
2852 | ||
2853 | while (1) { | |
2854 | trapnr = cpu_s390x_exec (env); | |
2855 | ||
2856 | switch (trapnr) { | |
2857 | case EXCP_INTERRUPT: | |
2858 | /* just indicate that signals should be handled asap */ | |
2859 | break; | |
2860 | case EXCP_DEBUG: | |
2861 | { | |
2862 | int sig; | |
2863 | ||
2864 | sig = gdb_handlesig (env, TARGET_SIGTRAP); | |
2865 | if (sig) { | |
2866 | info.si_signo = sig; | |
2867 | info.si_errno = 0; | |
2868 | info.si_code = TARGET_TRAP_BRKPT; | |
2869 | queue_signal(env, info.si_signo, &info); | |
2870 | } | |
2871 | } | |
2872 | break; | |
2873 | case EXCP_SVC: | |
2874 | { | |
2875 | int n = env->int_svc_code; | |
2876 | if (!n) { | |
2877 | /* syscalls > 255 */ | |
2878 | n = env->regs[1]; | |
2879 | } | |
2880 | env->psw.addr += env->int_svc_ilc; | |
2881 | env->regs[2] = do_syscall(env, n, | |
2882 | env->regs[2], | |
2883 | env->regs[3], | |
2884 | env->regs[4], | |
2885 | env->regs[5], | |
2886 | env->regs[6], | |
5945cfcb PM |
2887 | env->regs[7], |
2888 | 0, 0); | |
a4c075f1 UH |
2889 | } |
2890 | break; | |
2891 | case EXCP_ADDR: | |
2892 | { | |
2893 | info.si_signo = SIGSEGV; | |
2894 | info.si_errno = 0; | |
2895 | /* XXX: check env->error_code */ | |
2896 | info.si_code = TARGET_SEGV_MAPERR; | |
2897 | info._sifields._sigfault._addr = env->__excp_addr; | |
2898 | queue_signal(env, info.si_signo, &info); | |
2899 | } | |
2900 | break; | |
2901 | case EXCP_SPEC: | |
2902 | { | |
2903 | fprintf(stderr,"specification exception insn 0x%08x%04x\n", ldl(env->psw.addr), lduw(env->psw.addr + 4)); | |
2904 | info.si_signo = SIGILL; | |
2905 | info.si_errno = 0; | |
2906 | info.si_code = TARGET_ILL_ILLOPC; | |
2907 | info._sifields._sigfault._addr = env->__excp_addr; | |
2908 | queue_signal(env, info.si_signo, &info); | |
2909 | } | |
2910 | break; | |
2911 | default: | |
2912 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
2913 | cpu_dump_state(env, stderr, fprintf, 0); | |
2914 | exit (1); | |
2915 | } | |
2916 | process_pending_signals (env); | |
2917 | } | |
2918 | } | |
2919 | ||
2920 | #endif /* TARGET_S390X */ | |
2921 | ||
9349b4f9 | 2922 | THREAD CPUArchState *thread_env; |
59faf6d6 | 2923 | |
edf8e2af MW |
2924 | void task_settid(TaskState *ts) |
2925 | { | |
2926 | if (ts->ts_tid == 0) { | |
2f7bb878 | 2927 | #ifdef CONFIG_USE_NPTL |
edf8e2af MW |
2928 | ts->ts_tid = (pid_t)syscall(SYS_gettid); |
2929 | #else | |
2930 | /* when no threads are used, tid becomes pid */ | |
2931 | ts->ts_tid = getpid(); | |
2932 | #endif | |
2933 | } | |
2934 | } | |
2935 | ||
2936 | void stop_all_tasks(void) | |
2937 | { | |
2938 | /* | |
2939 | * We trust that when using NPTL, start_exclusive() | |
2940 | * handles thread stopping correctly. | |
2941 | */ | |
2942 | start_exclusive(); | |
2943 | } | |
2944 | ||
c3a92833 | 2945 | /* Assumes contents are already zeroed. */ |
624f7979 PB |
2946 | void init_task_state(TaskState *ts) |
2947 | { | |
2948 | int i; | |
2949 | ||
624f7979 PB |
2950 | ts->used = 1; |
2951 | ts->first_free = ts->sigqueue_table; | |
2952 | for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) { | |
2953 | ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1]; | |
2954 | } | |
2955 | ts->sigqueue_table[i].next = NULL; | |
2956 | } | |
fc9c5412 JS |
2957 | |
2958 | static void handle_arg_help(const char *arg) | |
2959 | { | |
2960 | usage(); | |
2961 | } | |
2962 | ||
2963 | static void handle_arg_log(const char *arg) | |
2964 | { | |
2965 | int mask; | |
2966 | const CPULogItem *item; | |
2967 | ||
2968 | mask = cpu_str_to_log_mask(arg); | |
2969 | if (!mask) { | |
2970 | printf("Log items (comma separated):\n"); | |
2971 | for (item = cpu_log_items; item->mask != 0; item++) { | |
2972 | printf("%-10s %s\n", item->name, item->help); | |
2973 | } | |
2974 | exit(1); | |
2975 | } | |
2976 | cpu_set_log(mask); | |
2977 | } | |
2978 | ||
50171d42 | 2979 | static void handle_arg_log_filename(const char *arg) |
2980 | { | |
2981 | cpu_set_log_filename(arg); | |
2982 | } | |
2983 | ||
fc9c5412 JS |
2984 | static void handle_arg_set_env(const char *arg) |
2985 | { | |
2986 | char *r, *p, *token; | |
2987 | r = p = strdup(arg); | |
2988 | while ((token = strsep(&p, ",")) != NULL) { | |
2989 | if (envlist_setenv(envlist, token) != 0) { | |
2990 | usage(); | |
2991 | } | |
2992 | } | |
2993 | free(r); | |
2994 | } | |
2995 | ||
2996 | static void handle_arg_unset_env(const char *arg) | |
2997 | { | |
2998 | char *r, *p, *token; | |
2999 | r = p = strdup(arg); | |
3000 | while ((token = strsep(&p, ",")) != NULL) { | |
3001 | if (envlist_unsetenv(envlist, token) != 0) { | |
3002 | usage(); | |
3003 | } | |
3004 | } | |
3005 | free(r); | |
3006 | } | |
3007 | ||
3008 | static void handle_arg_argv0(const char *arg) | |
3009 | { | |
3010 | argv0 = strdup(arg); | |
3011 | } | |
3012 | ||
3013 | static void handle_arg_stack_size(const char *arg) | |
3014 | { | |
3015 | char *p; | |
3016 | guest_stack_size = strtoul(arg, &p, 0); | |
3017 | if (guest_stack_size == 0) { | |
3018 | usage(); | |
3019 | } | |
3020 | ||
3021 | if (*p == 'M') { | |
3022 | guest_stack_size *= 1024 * 1024; | |
3023 | } else if (*p == 'k' || *p == 'K') { | |
3024 | guest_stack_size *= 1024; | |
3025 | } | |
3026 | } | |
3027 | ||
3028 | static void handle_arg_ld_prefix(const char *arg) | |
3029 | { | |
3030 | interp_prefix = strdup(arg); | |
3031 | } | |
3032 | ||
3033 | static void handle_arg_pagesize(const char *arg) | |
3034 | { | |
3035 | qemu_host_page_size = atoi(arg); | |
3036 | if (qemu_host_page_size == 0 || | |
3037 | (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { | |
3038 | fprintf(stderr, "page size must be a power of two\n"); | |
3039 | exit(1); | |
3040 | } | |
3041 | } | |
3042 | ||
3043 | static void handle_arg_gdb(const char *arg) | |
3044 | { | |
3045 | gdbstub_port = atoi(arg); | |
3046 | } | |
3047 | ||
3048 | static void handle_arg_uname(const char *arg) | |
3049 | { | |
3050 | qemu_uname_release = strdup(arg); | |
3051 | } | |
3052 | ||
3053 | static void handle_arg_cpu(const char *arg) | |
3054 | { | |
3055 | cpu_model = strdup(arg); | |
3056 | if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) { | |
3057 | /* XXX: implement xxx_cpu_list for targets that still miss it */ | |
3058 | #if defined(cpu_list_id) | |
3059 | cpu_list_id(stdout, &fprintf, ""); | |
3060 | #elif defined(cpu_list) | |
3061 | cpu_list(stdout, &fprintf); /* deprecated */ | |
3062 | #endif | |
3063 | exit(1); | |
3064 | } | |
3065 | } | |
3066 | ||
3067 | #if defined(CONFIG_USE_GUEST_BASE) | |
3068 | static void handle_arg_guest_base(const char *arg) | |
3069 | { | |
3070 | guest_base = strtol(arg, NULL, 0); | |
3071 | have_guest_base = 1; | |
3072 | } | |
3073 | ||
3074 | static void handle_arg_reserved_va(const char *arg) | |
3075 | { | |
3076 | char *p; | |
3077 | int shift = 0; | |
3078 | reserved_va = strtoul(arg, &p, 0); | |
3079 | switch (*p) { | |
3080 | case 'k': | |
3081 | case 'K': | |
3082 | shift = 10; | |
3083 | break; | |
3084 | case 'M': | |
3085 | shift = 20; | |
3086 | break; | |
3087 | case 'G': | |
3088 | shift = 30; | |
3089 | break; | |
3090 | } | |
3091 | if (shift) { | |
3092 | unsigned long unshifted = reserved_va; | |
3093 | p++; | |
3094 | reserved_va <<= shift; | |
3095 | if (((reserved_va >> shift) != unshifted) | |
3096 | #if HOST_LONG_BITS > TARGET_VIRT_ADDR_SPACE_BITS | |
3097 | || (reserved_va > (1ul << TARGET_VIRT_ADDR_SPACE_BITS)) | |
3098 | #endif | |
3099 | ) { | |
3100 | fprintf(stderr, "Reserved virtual address too big\n"); | |
3101 | exit(1); | |
3102 | } | |
3103 | } | |
3104 | if (*p) { | |
3105 | fprintf(stderr, "Unrecognised -R size suffix '%s'\n", p); | |
3106 | exit(1); | |
3107 | } | |
3108 | } | |
3109 | #endif | |
3110 | ||
3111 | static void handle_arg_singlestep(const char *arg) | |
3112 | { | |
3113 | singlestep = 1; | |
3114 | } | |
3115 | ||
3116 | static void handle_arg_strace(const char *arg) | |
3117 | { | |
3118 | do_strace = 1; | |
3119 | } | |
3120 | ||
3121 | static void handle_arg_version(const char *arg) | |
3122 | { | |
3123 | printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION | |
3124 | ", Copyright (c) 2003-2008 Fabrice Bellard\n"); | |
1386d4c0 | 3125 | exit(0); |
fc9c5412 JS |
3126 | } |
3127 | ||
3128 | struct qemu_argument { | |
3129 | const char *argv; | |
3130 | const char *env; | |
3131 | bool has_arg; | |
3132 | void (*handle_opt)(const char *arg); | |
3133 | const char *example; | |
3134 | const char *help; | |
3135 | }; | |
3136 | ||
3137 | struct qemu_argument arg_table[] = { | |
3138 | {"h", "", false, handle_arg_help, | |
3139 | "", "print this help"}, | |
3140 | {"g", "QEMU_GDB", true, handle_arg_gdb, | |
3141 | "port", "wait gdb connection to 'port'"}, | |
3142 | {"L", "QEMU_LD_PREFIX", true, handle_arg_ld_prefix, | |
3143 | "path", "set the elf interpreter prefix to 'path'"}, | |
3144 | {"s", "QEMU_STACK_SIZE", true, handle_arg_stack_size, | |
3145 | "size", "set the stack size to 'size' bytes"}, | |
3146 | {"cpu", "QEMU_CPU", true, handle_arg_cpu, | |
3147 | "model", "select CPU (-cpu ? for list)"}, | |
3148 | {"E", "QEMU_SET_ENV", true, handle_arg_set_env, | |
3149 | "var=value", "sets targets environment variable (see below)"}, | |
3150 | {"U", "QEMU_UNSET_ENV", true, handle_arg_unset_env, | |
3151 | "var", "unsets targets environment variable (see below)"}, | |
3152 | {"0", "QEMU_ARGV0", true, handle_arg_argv0, | |
3153 | "argv0", "forces target process argv[0] to be 'argv0'"}, | |
3154 | {"r", "QEMU_UNAME", true, handle_arg_uname, | |
3155 | "uname", "set qemu uname release string to 'uname'"}, | |
3156 | #if defined(CONFIG_USE_GUEST_BASE) | |
3157 | {"B", "QEMU_GUEST_BASE", true, handle_arg_guest_base, | |
3158 | "address", "set guest_base address to 'address'"}, | |
3159 | {"R", "QEMU_RESERVED_VA", true, handle_arg_reserved_va, | |
3160 | "size", "reserve 'size' bytes for guest virtual address space"}, | |
3161 | #endif | |
3162 | {"d", "QEMU_LOG", true, handle_arg_log, | |
3163 | "options", "activate log"}, | |
50171d42 | 3164 | {"D", "QEMU_LOG_FILENAME", true, handle_arg_log_filename, |
3165 | "logfile", "override default logfile location"}, | |
fc9c5412 JS |
3166 | {"p", "QEMU_PAGESIZE", true, handle_arg_pagesize, |
3167 | "pagesize", "set the host page size to 'pagesize'"}, | |
3168 | {"singlestep", "QEMU_SINGLESTEP", false, handle_arg_singlestep, | |
3169 | "", "run in singlestep mode"}, | |
3170 | {"strace", "QEMU_STRACE", false, handle_arg_strace, | |
3171 | "", "log system calls"}, | |
3172 | {"version", "QEMU_VERSION", false, handle_arg_version, | |
1386d4c0 | 3173 | "", "display version information and exit"}, |
fc9c5412 JS |
3174 | {NULL, NULL, false, NULL, NULL, NULL} |
3175 | }; | |
3176 | ||
3177 | static void usage(void) | |
3178 | { | |
3179 | struct qemu_argument *arginfo; | |
3180 | int maxarglen; | |
3181 | int maxenvlen; | |
3182 | ||
3183 | printf("usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n" | |
3184 | "Linux CPU emulator (compiled for " TARGET_ARCH " emulation)\n" | |
3185 | "\n" | |
3186 | "Options and associated environment variables:\n" | |
3187 | "\n"); | |
3188 | ||
3189 | maxarglen = maxenvlen = 0; | |
3190 | ||
3191 | for (arginfo = arg_table; arginfo->handle_opt != NULL; arginfo++) { | |
3192 | if (strlen(arginfo->env) > maxenvlen) { | |
3193 | maxenvlen = strlen(arginfo->env); | |
3194 | } | |
3195 | if (strlen(arginfo->argv) > maxarglen) { | |
3196 | maxarglen = strlen(arginfo->argv); | |
3197 | } | |
3198 | } | |
3199 | ||
3200 | printf("%-*s%-*sDescription\n", maxarglen+3, "Argument", | |
3201 | maxenvlen+1, "Env-variable"); | |
3202 | ||
3203 | for (arginfo = arg_table; arginfo->handle_opt != NULL; arginfo++) { | |
3204 | if (arginfo->has_arg) { | |
3205 | printf("-%s %-*s %-*s %s\n", arginfo->argv, | |
3206 | (int)(maxarglen-strlen(arginfo->argv)), arginfo->example, | |
3207 | maxenvlen, arginfo->env, arginfo->help); | |
3208 | } else { | |
3209 | printf("-%-*s %-*s %s\n", maxarglen+1, arginfo->argv, | |
3210 | maxenvlen, arginfo->env, | |
3211 | arginfo->help); | |
3212 | } | |
3213 | } | |
3214 | ||
3215 | printf("\n" | |
3216 | "Defaults:\n" | |
3217 | "QEMU_LD_PREFIX = %s\n" | |
3218 | "QEMU_STACK_SIZE = %ld byte\n" | |
3219 | "QEMU_LOG = %s\n", | |
3220 | interp_prefix, | |
3221 | guest_stack_size, | |
3222 | DEBUG_LOGFILE); | |
3223 | ||
3224 | printf("\n" | |
3225 | "You can use -E and -U options or the QEMU_SET_ENV and\n" | |
3226 | "QEMU_UNSET_ENV environment variables to set and unset\n" | |
3227 | "environment variables for the target process.\n" | |
3228 | "It is possible to provide several variables by separating them\n" | |
3229 | "by commas in getsubopt(3) style. Additionally it is possible to\n" | |
3230 | "provide the -E and -U options multiple times.\n" | |
3231 | "The following lines are equivalent:\n" | |
3232 | " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n" | |
3233 | " -E var1=val2,var2=val2 -U LD_PRELOAD,LD_DEBUG\n" | |
3234 | " QEMU_SET_ENV=var1=val2,var2=val2 QEMU_UNSET_ENV=LD_PRELOAD,LD_DEBUG\n" | |
3235 | "Note that if you provide several changes to a single variable\n" | |
3236 | "the last change will stay in effect.\n"); | |
3237 | ||
3238 | exit(1); | |
3239 | } | |
3240 | ||
3241 | static int parse_args(int argc, char **argv) | |
3242 | { | |
3243 | const char *r; | |
3244 | int optind; | |
3245 | struct qemu_argument *arginfo; | |
3246 | ||
3247 | for (arginfo = arg_table; arginfo->handle_opt != NULL; arginfo++) { | |
3248 | if (arginfo->env == NULL) { | |
3249 | continue; | |
3250 | } | |
3251 | ||
3252 | r = getenv(arginfo->env); | |
3253 | if (r != NULL) { | |
3254 | arginfo->handle_opt(r); | |
3255 | } | |
3256 | } | |
3257 | ||
3258 | optind = 1; | |
3259 | for (;;) { | |
3260 | if (optind >= argc) { | |
3261 | break; | |
3262 | } | |
3263 | r = argv[optind]; | |
3264 | if (r[0] != '-') { | |
3265 | break; | |
3266 | } | |
3267 | optind++; | |
3268 | r++; | |
3269 | if (!strcmp(r, "-")) { | |
3270 | break; | |
3271 | } | |
3272 | ||
3273 | for (arginfo = arg_table; arginfo->handle_opt != NULL; arginfo++) { | |
3274 | if (!strcmp(r, arginfo->argv)) { | |
fc9c5412 | 3275 | if (arginfo->has_arg) { |
1386d4c0 PM |
3276 | if (optind >= argc) { |
3277 | usage(); | |
3278 | } | |
3279 | arginfo->handle_opt(argv[optind]); | |
fc9c5412 | 3280 | optind++; |
1386d4c0 PM |
3281 | } else { |
3282 | arginfo->handle_opt(NULL); | |
fc9c5412 | 3283 | } |
fc9c5412 JS |
3284 | break; |
3285 | } | |
3286 | } | |
3287 | ||
3288 | /* no option matched the current argv */ | |
3289 | if (arginfo->handle_opt == NULL) { | |
3290 | usage(); | |
3291 | } | |
3292 | } | |
3293 | ||
3294 | if (optind >= argc) { | |
3295 | usage(); | |
3296 | } | |
3297 | ||
3298 | filename = argv[optind]; | |
3299 | exec_path = argv[optind]; | |
3300 | ||
3301 | return optind; | |
3302 | } | |
3303 | ||
902b3d5c | 3304 | int main(int argc, char **argv, char **envp) |
31e31b8a | 3305 | { |
c235d738 | 3306 | const char *log_file = DEBUG_LOGFILE; |
01ffc75b | 3307 | struct target_pt_regs regs1, *regs = ®s1; |
31e31b8a | 3308 | struct image_info info1, *info = &info1; |
edf8e2af | 3309 | struct linux_binprm bprm; |
48e15fc2 | 3310 | TaskState *ts; |
9349b4f9 | 3311 | CPUArchState *env; |
586314f2 | 3312 | int optind; |
04a6dfeb | 3313 | char **target_environ, **wrk; |
7d8cec95 AJ |
3314 | char **target_argv; |
3315 | int target_argc; | |
7d8cec95 | 3316 | int i; |
fd4d81dd | 3317 | int ret; |
b12b6a18 | 3318 | |
ce008c1f AF |
3319 | module_call_init(MODULE_INIT_QOM); |
3320 | ||
902b3d5c | 3321 | qemu_cache_utils_init(envp); |
3322 | ||
04a6dfeb AJ |
3323 | if ((envlist = envlist_create()) == NULL) { |
3324 | (void) fprintf(stderr, "Unable to allocate envlist\n"); | |
3325 | exit(1); | |
3326 | } | |
3327 | ||
3328 | /* add current environment into the list */ | |
3329 | for (wrk = environ; *wrk != NULL; wrk++) { | |
3330 | (void) envlist_setenv(envlist, *wrk); | |
3331 | } | |
3332 | ||
703e0e89 RH |
3333 | /* Read the stack limit from the kernel. If it's "unlimited", |
3334 | then we can do little else besides use the default. */ | |
3335 | { | |
3336 | struct rlimit lim; | |
3337 | if (getrlimit(RLIMIT_STACK, &lim) == 0 | |
81bbe906 | 3338 | && lim.rlim_cur != RLIM_INFINITY |
3339 | && lim.rlim_cur == (target_long)lim.rlim_cur) { | |
703e0e89 RH |
3340 | guest_stack_size = lim.rlim_cur; |
3341 | } | |
3342 | } | |
3343 | ||
b1f9be31 | 3344 | cpu_model = NULL; |
b5ec5ce0 | 3345 | #if defined(cpudef_setup) |
3346 | cpudef_setup(); /* parse cpu definitions in target config file (TBD) */ | |
3347 | #endif | |
3348 | ||
c235d738 MF |
3349 | /* init debug */ |
3350 | cpu_set_log_filename(log_file); | |
fc9c5412 | 3351 | optind = parse_args(argc, argv); |
586314f2 | 3352 | |
31e31b8a | 3353 | /* Zero out regs */ |
01ffc75b | 3354 | memset(regs, 0, sizeof(struct target_pt_regs)); |
31e31b8a FB |
3355 | |
3356 | /* Zero out image_info */ | |
3357 | memset(info, 0, sizeof(struct image_info)); | |
3358 | ||
edf8e2af MW |
3359 | memset(&bprm, 0, sizeof (bprm)); |
3360 | ||
74cd30b8 FB |
3361 | /* Scan interp_prefix dir for replacement files. */ |
3362 | init_paths(interp_prefix); | |
3363 | ||
46027c07 | 3364 | if (cpu_model == NULL) { |
aaed909a | 3365 | #if defined(TARGET_I386) |
46027c07 FB |
3366 | #ifdef TARGET_X86_64 |
3367 | cpu_model = "qemu64"; | |
3368 | #else | |
3369 | cpu_model = "qemu32"; | |
3370 | #endif | |
aaed909a | 3371 | #elif defined(TARGET_ARM) |
088ab16c | 3372 | cpu_model = "any"; |
d2fbca94 GX |
3373 | #elif defined(TARGET_UNICORE32) |
3374 | cpu_model = "any"; | |
aaed909a FB |
3375 | #elif defined(TARGET_M68K) |
3376 | cpu_model = "any"; | |
3377 | #elif defined(TARGET_SPARC) | |
3378 | #ifdef TARGET_SPARC64 | |
3379 | cpu_model = "TI UltraSparc II"; | |
3380 | #else | |
3381 | cpu_model = "Fujitsu MB86904"; | |
46027c07 | 3382 | #endif |
aaed909a FB |
3383 | #elif defined(TARGET_MIPS) |
3384 | #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64) | |
3385 | cpu_model = "20Kc"; | |
3386 | #else | |
3387 | cpu_model = "24Kf"; | |
3388 | #endif | |
3389 | #elif defined(TARGET_PPC) | |
7ded4f52 | 3390 | #ifdef TARGET_PPC64 |
f7177937 | 3391 | cpu_model = "970fx"; |
7ded4f52 | 3392 | #else |
aaed909a | 3393 | cpu_model = "750"; |
7ded4f52 | 3394 | #endif |
aaed909a FB |
3395 | #else |
3396 | cpu_model = "any"; | |
3397 | #endif | |
3398 | } | |
d5ab9713 JK |
3399 | tcg_exec_init(0); |
3400 | cpu_exec_init_all(); | |
83fb7adf FB |
3401 | /* NOTE: we need to init the CPU at this stage to get |
3402 | qemu_host_page_size */ | |
aaed909a FB |
3403 | env = cpu_init(cpu_model); |
3404 | if (!env) { | |
3405 | fprintf(stderr, "Unable to find CPU definition\n"); | |
3406 | exit(1); | |
3407 | } | |
b55a37c9 | 3408 | #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC) |
ff18b762 | 3409 | cpu_reset(ENV_GET_CPU(env)); |
b55a37c9 BS |
3410 | #endif |
3411 | ||
d5975363 | 3412 | thread_env = env; |
3b46e624 | 3413 | |
b6741956 FB |
3414 | if (getenv("QEMU_STRACE")) { |
3415 | do_strace = 1; | |
b92c47c1 TS |
3416 | } |
3417 | ||
04a6dfeb AJ |
3418 | target_environ = envlist_to_environ(envlist, NULL); |
3419 | envlist_free(envlist); | |
b12b6a18 | 3420 | |
379f6698 PB |
3421 | #if defined(CONFIG_USE_GUEST_BASE) |
3422 | /* | |
3423 | * Now that page sizes are configured in cpu_init() we can do | |
3424 | * proper page alignment for guest_base. | |
3425 | */ | |
3426 | guest_base = HOST_PAGE_ALIGN(guest_base); | |
68a1c816 PB |
3427 | |
3428 | if (reserved_va) { | |
3429 | void *p; | |
3430 | int flags; | |
3431 | ||
3432 | flags = MAP_ANONYMOUS | MAP_PRIVATE | MAP_NORESERVE; | |
3433 | if (have_guest_base) { | |
3434 | flags |= MAP_FIXED; | |
3435 | } | |
3436 | p = mmap((void *)guest_base, reserved_va, PROT_NONE, flags, -1, 0); | |
3437 | if (p == MAP_FAILED) { | |
3438 | fprintf(stderr, "Unable to reserve guest address space\n"); | |
3439 | exit(1); | |
3440 | } | |
3441 | guest_base = (unsigned long)p; | |
3442 | /* Make sure the address is properly aligned. */ | |
3443 | if (guest_base & ~qemu_host_page_mask) { | |
3444 | munmap(p, reserved_va); | |
3445 | p = mmap((void *)guest_base, reserved_va + qemu_host_page_size, | |
3446 | PROT_NONE, flags, -1, 0); | |
3447 | if (p == MAP_FAILED) { | |
3448 | fprintf(stderr, "Unable to reserve guest address space\n"); | |
3449 | exit(1); | |
3450 | } | |
3451 | guest_base = HOST_PAGE_ALIGN((unsigned long)p); | |
3452 | } | |
3453 | qemu_log("Reserved 0x%lx bytes of guest address space\n", reserved_va); | |
59e9d91c | 3454 | mmap_next_start = reserved_va; |
68a1c816 | 3455 | } |
97cc7560 DDAG |
3456 | |
3457 | if (reserved_va || have_guest_base) { | |
3458 | if (!guest_validate_base(guest_base)) { | |
3459 | fprintf(stderr, "Guest base/Reserved VA rejected by guest code\n"); | |
3460 | exit(1); | |
3461 | } | |
3462 | } | |
14f24e14 | 3463 | #endif /* CONFIG_USE_GUEST_BASE */ |
379f6698 PB |
3464 | |
3465 | /* | |
3466 | * Read in mmap_min_addr kernel parameter. This value is used | |
3467 | * When loading the ELF image to determine whether guest_base | |
14f24e14 | 3468 | * is needed. It is also used in mmap_find_vma. |
379f6698 | 3469 | */ |
14f24e14 | 3470 | { |
379f6698 PB |
3471 | FILE *fp; |
3472 | ||
3473 | if ((fp = fopen("/proc/sys/vm/mmap_min_addr", "r")) != NULL) { | |
3474 | unsigned long tmp; | |
3475 | if (fscanf(fp, "%lu", &tmp) == 1) { | |
3476 | mmap_min_addr = tmp; | |
3477 | qemu_log("host mmap_min_addr=0x%lx\n", mmap_min_addr); | |
3478 | } | |
3479 | fclose(fp); | |
3480 | } | |
3481 | } | |
379f6698 | 3482 | |
7d8cec95 AJ |
3483 | /* |
3484 | * Prepare copy of argv vector for target. | |
3485 | */ | |
3486 | target_argc = argc - optind; | |
3487 | target_argv = calloc(target_argc + 1, sizeof (char *)); | |
3488 | if (target_argv == NULL) { | |
3489 | (void) fprintf(stderr, "Unable to allocate memory for target_argv\n"); | |
3490 | exit(1); | |
3491 | } | |
3492 | ||
3493 | /* | |
3494 | * If argv0 is specified (using '-0' switch) we replace | |
3495 | * argv[0] pointer with the given one. | |
3496 | */ | |
3497 | i = 0; | |
3498 | if (argv0 != NULL) { | |
3499 | target_argv[i++] = strdup(argv0); | |
3500 | } | |
3501 | for (; i < target_argc; i++) { | |
3502 | target_argv[i] = strdup(argv[optind + i]); | |
3503 | } | |
3504 | target_argv[target_argc] = NULL; | |
3505 | ||
7267c094 | 3506 | ts = g_malloc0 (sizeof(TaskState)); |
edf8e2af MW |
3507 | init_task_state(ts); |
3508 | /* build Task State */ | |
3509 | ts->info = info; | |
3510 | ts->bprm = &bprm; | |
3511 | env->opaque = ts; | |
3512 | task_settid(ts); | |
3513 | ||
fd4d81dd AP |
3514 | ret = loader_exec(filename, target_argv, target_environ, regs, |
3515 | info, &bprm); | |
3516 | if (ret != 0) { | |
3517 | printf("Error %d while loading %s\n", ret, filename); | |
b12b6a18 TS |
3518 | _exit(1); |
3519 | } | |
3520 | ||
3521 | for (wrk = target_environ; *wrk; wrk++) { | |
3522 | free(*wrk); | |
31e31b8a | 3523 | } |
3b46e624 | 3524 | |
b12b6a18 TS |
3525 | free(target_environ); |
3526 | ||
2e77eac6 | 3527 | if (qemu_log_enabled()) { |
379f6698 PB |
3528 | #if defined(CONFIG_USE_GUEST_BASE) |
3529 | qemu_log("guest_base 0x%lx\n", guest_base); | |
3530 | #endif | |
2e77eac6 BS |
3531 | log_page_dump(); |
3532 | ||
3533 | qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk); | |
3534 | qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code); | |
3535 | qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n", | |
3536 | info->start_code); | |
3537 | qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n", | |
3538 | info->start_data); | |
3539 | qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data); | |
3540 | qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n", | |
3541 | info->start_stack); | |
3542 | qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk); | |
3543 | qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry); | |
3544 | } | |
31e31b8a | 3545 | |
53a5960a | 3546 | target_set_brk(info->brk); |
31e31b8a | 3547 | syscall_init(); |
66fb9763 | 3548 | signal_init(); |
31e31b8a | 3549 | |
9002ec79 RH |
3550 | #if defined(CONFIG_USE_GUEST_BASE) |
3551 | /* Now that we've loaded the binary, GUEST_BASE is fixed. Delay | |
3552 | generating the prologue until now so that the prologue can take | |
3553 | the real value of GUEST_BASE into account. */ | |
3554 | tcg_prologue_init(&tcg_ctx); | |
3555 | #endif | |
3556 | ||
b346ff46 | 3557 | #if defined(TARGET_I386) |
2e255c6b FB |
3558 | cpu_x86_set_cpl(env, 3); |
3559 | ||
3802ce26 | 3560 | env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; |
1bde465e FB |
3561 | env->hflags |= HF_PE_MASK; |
3562 | if (env->cpuid_features & CPUID_SSE) { | |
3563 | env->cr[4] |= CR4_OSFXSR_MASK; | |
3564 | env->hflags |= HF_OSFXSR_MASK; | |
3565 | } | |
d2fd1af7 | 3566 | #ifndef TARGET_ABI32 |
4dbc422b FB |
3567 | /* enable 64 bit mode if possible */ |
3568 | if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) { | |
3569 | fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n"); | |
3570 | exit(1); | |
3571 | } | |
d2fd1af7 | 3572 | env->cr[4] |= CR4_PAE_MASK; |
4dbc422b | 3573 | env->efer |= MSR_EFER_LMA | MSR_EFER_LME; |
d2fd1af7 FB |
3574 | env->hflags |= HF_LMA_MASK; |
3575 | #endif | |
1bde465e | 3576 | |
415e561f FB |
3577 | /* flags setup : we activate the IRQs by default as in user mode */ |
3578 | env->eflags |= IF_MASK; | |
3b46e624 | 3579 | |
6dbad63e | 3580 | /* linux register setup */ |
d2fd1af7 | 3581 | #ifndef TARGET_ABI32 |
84409ddb JM |
3582 | env->regs[R_EAX] = regs->rax; |
3583 | env->regs[R_EBX] = regs->rbx; | |
3584 | env->regs[R_ECX] = regs->rcx; | |
3585 | env->regs[R_EDX] = regs->rdx; | |
3586 | env->regs[R_ESI] = regs->rsi; | |
3587 | env->regs[R_EDI] = regs->rdi; | |
3588 | env->regs[R_EBP] = regs->rbp; | |
3589 | env->regs[R_ESP] = regs->rsp; | |
3590 | env->eip = regs->rip; | |
3591 | #else | |
0ecfa993 FB |
3592 | env->regs[R_EAX] = regs->eax; |
3593 | env->regs[R_EBX] = regs->ebx; | |
3594 | env->regs[R_ECX] = regs->ecx; | |
3595 | env->regs[R_EDX] = regs->edx; | |
3596 | env->regs[R_ESI] = regs->esi; | |
3597 | env->regs[R_EDI] = regs->edi; | |
3598 | env->regs[R_EBP] = regs->ebp; | |
3599 | env->regs[R_ESP] = regs->esp; | |
dab2ed99 | 3600 | env->eip = regs->eip; |
84409ddb | 3601 | #endif |
31e31b8a | 3602 | |
f4beb510 | 3603 | /* linux interrupt setup */ |
e441570f AZ |
3604 | #ifndef TARGET_ABI32 |
3605 | env->idt.limit = 511; | |
3606 | #else | |
3607 | env->idt.limit = 255; | |
3608 | #endif | |
3609 | env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1), | |
3610 | PROT_READ|PROT_WRITE, | |
3611 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
3612 | idt_table = g2h(env->idt.base); | |
f4beb510 FB |
3613 | set_idt(0, 0); |
3614 | set_idt(1, 0); | |
3615 | set_idt(2, 0); | |
3616 | set_idt(3, 3); | |
3617 | set_idt(4, 3); | |
ec95da6c | 3618 | set_idt(5, 0); |
f4beb510 FB |
3619 | set_idt(6, 0); |
3620 | set_idt(7, 0); | |
3621 | set_idt(8, 0); | |
3622 | set_idt(9, 0); | |
3623 | set_idt(10, 0); | |
3624 | set_idt(11, 0); | |
3625 | set_idt(12, 0); | |
3626 | set_idt(13, 0); | |
3627 | set_idt(14, 0); | |
3628 | set_idt(15, 0); | |
3629 | set_idt(16, 0); | |
3630 | set_idt(17, 0); | |
3631 | set_idt(18, 0); | |
3632 | set_idt(19, 0); | |
3633 | set_idt(0x80, 3); | |
3634 | ||
6dbad63e | 3635 | /* linux segment setup */ |
8d18e893 FB |
3636 | { |
3637 | uint64_t *gdt_table; | |
e441570f AZ |
3638 | env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES, |
3639 | PROT_READ|PROT_WRITE, | |
3640 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
8d18e893 | 3641 | env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1; |
e441570f | 3642 | gdt_table = g2h(env->gdt.base); |
d2fd1af7 | 3643 | #ifdef TARGET_ABI32 |
8d18e893 FB |
3644 | write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, |
3645 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
3646 | (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); | |
d2fd1af7 FB |
3647 | #else |
3648 | /* 64 bit code segment */ | |
3649 | write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, | |
3650 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
3651 | DESC_L_MASK | | |
3652 | (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); | |
3653 | #endif | |
8d18e893 FB |
3654 | write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, |
3655 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
3656 | (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); | |
3657 | } | |
6dbad63e | 3658 | cpu_x86_load_seg(env, R_CS, __USER_CS); |
d2fd1af7 FB |
3659 | cpu_x86_load_seg(env, R_SS, __USER_DS); |
3660 | #ifdef TARGET_ABI32 | |
6dbad63e FB |
3661 | cpu_x86_load_seg(env, R_DS, __USER_DS); |
3662 | cpu_x86_load_seg(env, R_ES, __USER_DS); | |
6dbad63e FB |
3663 | cpu_x86_load_seg(env, R_FS, __USER_DS); |
3664 | cpu_x86_load_seg(env, R_GS, __USER_DS); | |
d6eb40f6 TS |
3665 | /* This hack makes Wine work... */ |
3666 | env->segs[R_FS].selector = 0; | |
d2fd1af7 FB |
3667 | #else |
3668 | cpu_x86_load_seg(env, R_DS, 0); | |
3669 | cpu_x86_load_seg(env, R_ES, 0); | |
3670 | cpu_x86_load_seg(env, R_FS, 0); | |
3671 | cpu_x86_load_seg(env, R_GS, 0); | |
3672 | #endif | |
b346ff46 FB |
3673 | #elif defined(TARGET_ARM) |
3674 | { | |
3675 | int i; | |
b5ff1b31 | 3676 | cpsr_write(env, regs->uregs[16], 0xffffffff); |
b346ff46 FB |
3677 | for(i = 0; i < 16; i++) { |
3678 | env->regs[i] = regs->uregs[i]; | |
3679 | } | |
d8fd2954 PB |
3680 | /* Enable BE8. */ |
3681 | if (EF_ARM_EABI_VERSION(info->elf_flags) >= EF_ARM_EABI_VER4 | |
3682 | && (info->elf_flags & EF_ARM_BE8)) { | |
3683 | env->bswap_code = 1; | |
3684 | } | |
b346ff46 | 3685 | } |
d2fbca94 GX |
3686 | #elif defined(TARGET_UNICORE32) |
3687 | { | |
3688 | int i; | |
3689 | cpu_asr_write(env, regs->uregs[32], 0xffffffff); | |
3690 | for (i = 0; i < 32; i++) { | |
3691 | env->regs[i] = regs->uregs[i]; | |
3692 | } | |
3693 | } | |
93ac68bc | 3694 | #elif defined(TARGET_SPARC) |
060366c5 FB |
3695 | { |
3696 | int i; | |
3697 | env->pc = regs->pc; | |
3698 | env->npc = regs->npc; | |
3699 | env->y = regs->y; | |
3700 | for(i = 0; i < 8; i++) | |
3701 | env->gregs[i] = regs->u_regs[i]; | |
3702 | for(i = 0; i < 8; i++) | |
3703 | env->regwptr[i] = regs->u_regs[i + 8]; | |
3704 | } | |
67867308 FB |
3705 | #elif defined(TARGET_PPC) |
3706 | { | |
3707 | int i; | |
3fc6c082 | 3708 | |
0411a972 JM |
3709 | #if defined(TARGET_PPC64) |
3710 | #if defined(TARGET_ABI32) | |
3711 | env->msr &= ~((target_ulong)1 << MSR_SF); | |
e85e7c6e | 3712 | #else |
0411a972 JM |
3713 | env->msr |= (target_ulong)1 << MSR_SF; |
3714 | #endif | |
84409ddb | 3715 | #endif |
67867308 FB |
3716 | env->nip = regs->nip; |
3717 | for(i = 0; i < 32; i++) { | |
3718 | env->gpr[i] = regs->gpr[i]; | |
3719 | } | |
3720 | } | |
e6e5906b PB |
3721 | #elif defined(TARGET_M68K) |
3722 | { | |
e6e5906b PB |
3723 | env->pc = regs->pc; |
3724 | env->dregs[0] = regs->d0; | |
3725 | env->dregs[1] = regs->d1; | |
3726 | env->dregs[2] = regs->d2; | |
3727 | env->dregs[3] = regs->d3; | |
3728 | env->dregs[4] = regs->d4; | |
3729 | env->dregs[5] = regs->d5; | |
3730 | env->dregs[6] = regs->d6; | |
3731 | env->dregs[7] = regs->d7; | |
3732 | env->aregs[0] = regs->a0; | |
3733 | env->aregs[1] = regs->a1; | |
3734 | env->aregs[2] = regs->a2; | |
3735 | env->aregs[3] = regs->a3; | |
3736 | env->aregs[4] = regs->a4; | |
3737 | env->aregs[5] = regs->a5; | |
3738 | env->aregs[6] = regs->a6; | |
3739 | env->aregs[7] = regs->usp; | |
3740 | env->sr = regs->sr; | |
3741 | ts->sim_syscalls = 1; | |
3742 | } | |
b779e29e EI |
3743 | #elif defined(TARGET_MICROBLAZE) |
3744 | { | |
3745 | env->regs[0] = regs->r0; | |
3746 | env->regs[1] = regs->r1; | |
3747 | env->regs[2] = regs->r2; | |
3748 | env->regs[3] = regs->r3; | |
3749 | env->regs[4] = regs->r4; | |
3750 | env->regs[5] = regs->r5; | |
3751 | env->regs[6] = regs->r6; | |
3752 | env->regs[7] = regs->r7; | |
3753 | env->regs[8] = regs->r8; | |
3754 | env->regs[9] = regs->r9; | |
3755 | env->regs[10] = regs->r10; | |
3756 | env->regs[11] = regs->r11; | |
3757 | env->regs[12] = regs->r12; | |
3758 | env->regs[13] = regs->r13; | |
3759 | env->regs[14] = regs->r14; | |
3760 | env->regs[15] = regs->r15; | |
3761 | env->regs[16] = regs->r16; | |
3762 | env->regs[17] = regs->r17; | |
3763 | env->regs[18] = regs->r18; | |
3764 | env->regs[19] = regs->r19; | |
3765 | env->regs[20] = regs->r20; | |
3766 | env->regs[21] = regs->r21; | |
3767 | env->regs[22] = regs->r22; | |
3768 | env->regs[23] = regs->r23; | |
3769 | env->regs[24] = regs->r24; | |
3770 | env->regs[25] = regs->r25; | |
3771 | env->regs[26] = regs->r26; | |
3772 | env->regs[27] = regs->r27; | |
3773 | env->regs[28] = regs->r28; | |
3774 | env->regs[29] = regs->r29; | |
3775 | env->regs[30] = regs->r30; | |
3776 | env->regs[31] = regs->r31; | |
3777 | env->sregs[SR_PC] = regs->pc; | |
3778 | } | |
048f6b4d FB |
3779 | #elif defined(TARGET_MIPS) |
3780 | { | |
3781 | int i; | |
3782 | ||
3783 | for(i = 0; i < 32; i++) { | |
b5dc7732 | 3784 | env->active_tc.gpr[i] = regs->regs[i]; |
048f6b4d | 3785 | } |
0fddbbf2 NF |
3786 | env->active_tc.PC = regs->cp0_epc & ~(target_ulong)1; |
3787 | if (regs->cp0_epc & 1) { | |
3788 | env->hflags |= MIPS_HFLAG_M16; | |
3789 | } | |
048f6b4d | 3790 | } |
fdf9b3e8 FB |
3791 | #elif defined(TARGET_SH4) |
3792 | { | |
3793 | int i; | |
3794 | ||
3795 | for(i = 0; i < 16; i++) { | |
3796 | env->gregs[i] = regs->regs[i]; | |
3797 | } | |
3798 | env->pc = regs->pc; | |
3799 | } | |
7a3148a9 JM |
3800 | #elif defined(TARGET_ALPHA) |
3801 | { | |
3802 | int i; | |
3803 | ||
3804 | for(i = 0; i < 28; i++) { | |
992f48a0 | 3805 | env->ir[i] = ((abi_ulong *)regs)[i]; |
7a3148a9 | 3806 | } |
dad081ee | 3807 | env->ir[IR_SP] = regs->usp; |
7a3148a9 | 3808 | env->pc = regs->pc; |
7a3148a9 | 3809 | } |
48733d19 TS |
3810 | #elif defined(TARGET_CRIS) |
3811 | { | |
3812 | env->regs[0] = regs->r0; | |
3813 | env->regs[1] = regs->r1; | |
3814 | env->regs[2] = regs->r2; | |
3815 | env->regs[3] = regs->r3; | |
3816 | env->regs[4] = regs->r4; | |
3817 | env->regs[5] = regs->r5; | |
3818 | env->regs[6] = regs->r6; | |
3819 | env->regs[7] = regs->r7; | |
3820 | env->regs[8] = regs->r8; | |
3821 | env->regs[9] = regs->r9; | |
3822 | env->regs[10] = regs->r10; | |
3823 | env->regs[11] = regs->r11; | |
3824 | env->regs[12] = regs->r12; | |
3825 | env->regs[13] = regs->r13; | |
3826 | env->regs[14] = info->start_stack; | |
3827 | env->regs[15] = regs->acr; | |
3828 | env->pc = regs->erp; | |
3829 | } | |
a4c075f1 UH |
3830 | #elif defined(TARGET_S390X) |
3831 | { | |
3832 | int i; | |
3833 | for (i = 0; i < 16; i++) { | |
3834 | env->regs[i] = regs->gprs[i]; | |
3835 | } | |
3836 | env->psw.mask = regs->psw.mask; | |
3837 | env->psw.addr = regs->psw.addr; | |
3838 | } | |
b346ff46 FB |
3839 | #else |
3840 | #error unsupported target CPU | |
3841 | #endif | |
31e31b8a | 3842 | |
d2fbca94 | 3843 | #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) |
a87295e8 PB |
3844 | ts->stack_base = info->start_stack; |
3845 | ts->heap_base = info->brk; | |
3846 | /* This will be filled in on the first SYS_HEAPINFO call. */ | |
3847 | ts->heap_limit = 0; | |
3848 | #endif | |
3849 | ||
74c33bed | 3850 | if (gdbstub_port) { |
ff7a981a PM |
3851 | if (gdbserver_start(gdbstub_port) < 0) { |
3852 | fprintf(stderr, "qemu: could not open gdbserver on port %d\n", | |
3853 | gdbstub_port); | |
3854 | exit(1); | |
3855 | } | |
1fddef4b FB |
3856 | gdb_handlesig(env, 0); |
3857 | } | |
1b6b029e FB |
3858 | cpu_loop(env); |
3859 | /* never exits */ | |
31e31b8a FB |
3860 | return 0; |
3861 | } |