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qdev: move name+size into DeviceInfo (v2)
[qemu.git] / darwin-user / syscall.c
blob0c68787773f46b14a3929a94caffbac524698fe7
1 /*
2 * Darwin syscalls
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 * Copyright (c) 2006 Pierre d'Herbemont
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 * MA 02110-1301, USA.
21 */
22 #include <fcntl.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <errno.h>
26
27 #include <mach/host_info.h>
28 #include <mach/mach.h>
29 #include <mach/mach_time.h>
30 #include <mach/message.h>
31
32 #include <pthread.h>
33 #include <dirent.h>
34
35 #include <sys/stat.h>
36 #include <sys/syscall.h>
37 #include <sys/sysctl.h>
38 #include <sys/types.h>
39 #include <unistd.h>
40 #include <sys/ioctl.h>
41 #include <sys/mman.h>
42 #include <sys/types.h>
43 #include <sys/dirent.h>
44 #include <sys/uio.h>
45 #include <sys/termios.h>
46 #include <sys/ptrace.h>
47 #include <net/if.h>
48
49 #include <sys/param.h>
50 #include <sys/mount.h>
51
52 #include <sys/attr.h>
53
54 #include <mach/ndr.h>
55 #include <mach/mig_errors.h>
56
57 #include <sys/xattr.h>
58
59 #include "qemu.h"
60
61 //#define DEBUG_SYSCALL
62
63 #ifdef DEBUG_SYSCALL
64 # define DEBUG_FORCE_ENABLE_LOCAL() int __DEBUG_qemu_user_force_enable = 1
65 # define DEBUG_BEGIN_ENABLE __DEBUG_qemu_user_force_enable = 1;
66 # define DEBUG_END_ENABLE __DEBUG_qemu_user_force_enable = 0;
67
68 # define DEBUG_DISABLE_ALL() static int __DEBUG_qemu_user_force_enable = 0
69 # define DEBUG_ENABLE_ALL() static int __DEBUG_qemu_user_force_enable = 1
70 DEBUG_ENABLE_ALL();
71
72 # define DPRINTF(...) do { qemu_log(__VA_ARGS__); \
73 if(__DEBUG_qemu_user_force_enable) fprintf(stderr, __VA_ARGS__); \
74 } while(0)
75 #else
76 # define DEBUG_FORCE_ENABLE_LOCAL()
77 # define DEBUG_BEGIN_ENABLE
78 # define DEBUG_END_ENABLE
79
80 # define DPRINTF(...) do { qemu_log(__VA_ARGS__); } while(0)
81 #endif
82
83 enum {
84 bswap_out = 0,
85 bswap_in = 1
86 };
87
88 extern const char *interp_prefix;
89
90 static inline long get_errno(long ret)
91 {
92 if (ret == -1)
93 return -errno;
94 else
95 return ret;
96 }
97
98 static inline int is_error(long ret)
99 {
100 return (unsigned long)ret >= (unsigned long)(-4096);
101 }
102
103 /* ------------------------------------------------------------
104 Mach syscall handling
105 */
106
107 void static inline print_description_msg_header(mach_msg_header_t *hdr)
108 {
109 char *name = NULL;
110 int i;
111 struct { int number; char *name; } msg_name[] =
112 {
113 /* see http://fxr.watson.org/fxr/source/compat/mach/mach_namemap.c?v=NETBSD */
114 { 200, "host_info" },
115 { 202, "host_page_size" },
116 { 206, "host_get_clock_service" },
117 { 206, "host_get_clock_service" },
118 { 206, "host_get_clock_service" },
119 { 306, "host_get_clock_service" },
120 { 3204, "mach_port_allocate" },
121 { 3206, "mach_port_deallocate" },
122 { 3404, "mach_ports_lookup" },
123 { 3409, "mach_task_get_special_port" },
124 { 3414, "mach_task_get_exception_ports" },
125 { 3418, "mach_semaphore_create" },
126 { 3504, "mach_semaphore_create" },
127 { 3509, "mach_semaphore_create" },
128 { 3518, "semaphore_create" },
129 { 3616, "thread_policy" },
130 { 3801, "vm_allocate" },
131 { 3802, "vm_deallocate" },
132 { 3802, "vm_deallocate" },
133 { 3803, "vm_protect" },
134 { 3812, "vm_map" },
135 { 4241776, "lu_message_send_id" }, /* lookupd */
136 { 4241876, "lu_message_reply_id" }, /* lookupd */
137 };
138
139 for(i = 0; i < ARRAY_SIZE(msg_name); i++) {
140 if(msg_name[i].number == hdr->msgh_id)
141 {
142 name = msg_name[i].name;
143 break;
144 }
145 }
146 if(!name)
147 DPRINTF("unknown mach msg %d 0x%x\n", hdr->msgh_id, hdr->msgh_id);
148 else
149 DPRINTF("%s\n", name);
150 #if 0
151 DPRINTF("Bits: %8x\n", hdr->msgh_bits);
152 DPRINTF("Size: %8x\n", hdr->msgh_size);
153 DPRINTF("Rmte: %8x\n", hdr->msgh_remote_port);
154 DPRINTF("Locl: %8x\n", hdr->msgh_local_port);
155 DPRINTF("Rsrv: %8x\n", hdr->msgh_reserved);
156
157 DPRINTF("Id : %8x\n", hdr->msgh_id);
158
159 NDR_record_t *ndr = (NDR_record_t *)(hdr + 1);
160 DPRINTF("hdr = %p, sizeof(hdr) = %x, NDR = %p\n", hdr, (unsigned int)sizeof(mach_msg_header_t), ndr);
161 DPRINTF("%d %d %d %d %d %d %d %d\n",
162 ndr->mig_vers, ndr->if_vers, ndr->reserved1, ndr->mig_encoding,
163 ndr->int_rep, ndr->char_rep, ndr->float_rep, ndr->reserved2);
164 #endif
165 }
166
167 static inline void print_mach_msg_return(mach_msg_return_t ret)
168 {
169 int i, found = 0;
170 #define MACH_MSG_RET(msg) { msg, #msg }
171 struct { int code; char *name; } msg_name[] =
172 {
173 /* ref: http://darwinsource.opendarwin.org/10.4.2/xnu-792.2.4/osfmk/man/mach_msg.html */
174 /* send message */
175 MACH_MSG_RET(MACH_SEND_MSG_TOO_SMALL),
176 MACH_MSG_RET(MACH_SEND_NO_BUFFER),
177 MACH_MSG_RET(MACH_SEND_INVALID_DATA),
178 MACH_MSG_RET(MACH_SEND_INVALID_HEADER),
179 MACH_MSG_RET(MACH_SEND_INVALID_DEST),
180 MACH_MSG_RET(MACH_SEND_INVALID_NOTIFY),
181 MACH_MSG_RET(MACH_SEND_INVALID_REPLY),
182 MACH_MSG_RET(MACH_SEND_INVALID_TRAILER),
183 MACH_MSG_RET(MACH_SEND_INVALID_MEMORY),
184 MACH_MSG_RET(MACH_SEND_INVALID_RIGHT),
185 MACH_MSG_RET(MACH_SEND_INVALID_TYPE),
186 MACH_MSG_RET(MACH_SEND_INTERRUPTED),
187 MACH_MSG_RET(MACH_SEND_TIMED_OUT),
188
189 MACH_MSG_RET(MACH_RCV_BODY_ERROR),
190 MACH_MSG_RET(MACH_RCV_HEADER_ERROR),
191
192 MACH_MSG_RET(MACH_RCV_IN_SET),
193 MACH_MSG_RET(MACH_RCV_INTERRUPTED),
194
195 MACH_MSG_RET(MACH_RCV_INVALID_DATA),
196 MACH_MSG_RET(MACH_RCV_INVALID_NAME),
197 MACH_MSG_RET(MACH_RCV_INVALID_NOTIFY),
198 MACH_MSG_RET(MACH_RCV_INVALID_TRAILER),
199 MACH_MSG_RET(MACH_RCV_INVALID_TYPE),
200
201 MACH_MSG_RET(MACH_RCV_PORT_CHANGED),
202 MACH_MSG_RET(MACH_RCV_PORT_DIED),
203
204 MACH_MSG_RET(MACH_RCV_SCATTER_SMALL),
205 MACH_MSG_RET(MACH_RCV_TIMED_OUT),
206 MACH_MSG_RET(MACH_RCV_TOO_LARGE)
207 };
208 #undef MACH_MSG_RET
209
210 if( ret == MACH_MSG_SUCCESS)
211 DPRINTF("MACH_MSG_SUCCESS\n");
212 else
213 {
214 for( i = 0; i < ARRAY_SIZE(msg_name); i++) {
215 if(msg_name[i].code == ret) {
216 DPRINTF("%s\n", msg_name[i].name);
217 found = 1;
218 break;
219 }
220 }
221 if(!found)
222 qerror("unknow mach message ret code %d\n", ret);
223 }
224 }
225
226 static inline void swap_mach_msg_header(mach_msg_header_t *hdr)
227 {
228 hdr->msgh_bits = tswap32(hdr->msgh_bits);
229 hdr->msgh_size = tswap32(hdr->msgh_size);
230 hdr->msgh_remote_port = tswap32(hdr->msgh_remote_port);
231 hdr->msgh_local_port = tswap32(hdr->msgh_local_port);
232 hdr->msgh_reserved = tswap32(hdr->msgh_reserved);
233 hdr->msgh_id = tswap32(hdr->msgh_id);
234 }
235
236 struct complex_msg {
237 mach_msg_header_t hdr;
238 mach_msg_body_t body;
239 };
240
241 static inline void swap_mach_msg_body(struct complex_msg *complex_msg, int bswap)
242 {
243 mach_msg_port_descriptor_t *descr = (mach_msg_port_descriptor_t *)(complex_msg+1);
244 int i,j;
245
246 if(bswap == bswap_in)
247 tswap32s(&complex_msg->body.msgh_descriptor_count);
248
249 DPRINTF("body.msgh_descriptor_count %d\n", complex_msg->body.msgh_descriptor_count);
250
251 for(i = 0; i < complex_msg->body.msgh_descriptor_count; i++) {
252 switch(descr->type)
253 {
254 case MACH_MSG_PORT_DESCRIPTOR:
255 tswap32s(&descr->name);
256 descr++;
257 break;
258 case MACH_MSG_OOL_DESCRIPTOR:
259 {
260 mach_msg_ool_descriptor_t *ool = (void *)descr;
261 tswap32s((uint32_t *)&ool->address);
262 tswap32s(&ool->size);
263
264 descr = (mach_msg_port_descriptor_t *)(ool+1);
265 break;
266 }
267 case MACH_MSG_OOL_PORTS_DESCRIPTOR:
268 {
269 mach_msg_ool_ports_descriptor_t *ool_ports = (void *)descr;
270 mach_port_name_t * port_names;
271
272 if(bswap == bswap_in)
273 {
274 tswap32s((uint32_t *)&ool_ports->address);
275 tswap32s(&ool_ports->count);
276 }
277
278 port_names = ool_ports->address;
279
280 for(j = 0; j < ool_ports->count; j++)
281 tswap32s(&port_names[j]);
282
283 if(bswap == bswap_out)
284 {
285 tswap32s((uint32_t *)&ool_ports->address);
286 tswap32s(&ool_ports->count);
287 }
288
289 descr = (mach_msg_port_descriptor_t *)(ool_ports+1);
290 break;
291 }
292 default: qerror("unknow mach msg descriptor type %x\n", descr->type);
293 }
294 }
295 if(bswap == bswap_out)
296 tswap32s(&complex_msg->body.msgh_descriptor_count);
297 }
298
299 static inline void swap_mach_msg(mach_msg_header_t *hdr, int bswap)
300 {
301 if (bswap == bswap_out && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
302 swap_mach_msg_body((struct complex_msg *)hdr, bswap);
303
304 swap_mach_msg_header(hdr);
305
306 if (bswap == bswap_in && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
307 swap_mach_msg_body((struct complex_msg *)hdr, bswap);
308 }
309
310 static inline uint32_t target_mach_msg_trap(
311 mach_msg_header_t *hdr, uint32_t options, uint32_t send_size,
312 uint32_t rcv_size, uint32_t rcv_name, uint32_t time_out, uint32_t notify)
313 {
314 extern int mach_msg_trap(mach_msg_header_t *, mach_msg_option_t,
315 mach_msg_size_t, mach_msg_size_t, mach_port_t,
316 mach_msg_timeout_t, mach_port_t);
317 mach_msg_audit_trailer_t *trailer;
318 mach_msg_id_t msg_id;
319 uint32_t ret = 0;
320 int i;
321
322 swap_mach_msg(hdr, bswap_in);
323
324 msg_id = hdr->msgh_id;
325
326 print_description_msg_header(hdr);
327
328 ret = mach_msg_trap(hdr, options, send_size, rcv_size, rcv_name, time_out, notify);
329
330 print_mach_msg_return(ret);
331
332 if( (options & MACH_RCV_MSG) && (REQUESTED_TRAILER_SIZE(options) > 0) )
333 {
334 /* XXX: the kernel always return the full trailer with MACH_SEND_MSG, so we should
335 probably always bswap it */
336 /* warning: according to Mac OS X Internals (the book) msg_size might be expressed in
337 natural_t units but according to xnu/osfmk/mach/message.h: "The size of
338 the message must be specified in bytes" */
339 trailer = (mach_msg_audit_trailer_t *)((uint8_t *)hdr + hdr->msgh_size);
340 /* XXX: Should probably do that based on the option asked by the sender, but dealing
341 with kernel answer seems more sound */
342 switch(trailer->msgh_trailer_size)
343 {
344 case sizeof(mach_msg_audit_trailer_t):
345 for(i = 0; i < 8; i++)
346 tswap32s(&trailer->msgh_audit.val[i]);
347 /* Fall in mach_msg_security_trailer_t case */
348 case sizeof(mach_msg_security_trailer_t):
349 tswap32s(&trailer->msgh_sender.val[0]);
350 tswap32s(&trailer->msgh_sender.val[1]);
351 /* Fall in mach_msg_seqno_trailer_t case */
352 case sizeof(mach_msg_seqno_trailer_t):
353 tswap32s(&trailer->msgh_seqno);
354 /* Fall in mach_msg_trailer_t case */
355 case sizeof(mach_msg_trailer_t):
356 tswap32s(&trailer->msgh_trailer_type);
357 tswap32s(&trailer->msgh_trailer_size);
358 break;
359 case 0:
360 /* Safer not to byteswap, but probably wrong */
361 break;
362 default:
363 qerror("unknow trailer type given its size %d\n", trailer->msgh_trailer_size);
364 break;
365 }
366 }
367
368 /* Special message handling */
369 switch (msg_id) {
370 case 200: /* host_info */
371 {
372 mig_reply_error_t *err = (mig_reply_error_t *)hdr;
373 struct {
374 uint32_t unknow1;
375 uint32_t max_cpus;
376 uint32_t avail_cpus;
377 uint32_t memory_size;
378 uint32_t cpu_type;
379 uint32_t cpu_subtype;
380 } *data = (void *)(err+1);
381
382 DPRINTF("maxcpu = 0x%x\n", data->max_cpus);
383 DPRINTF("numcpu = 0x%x\n", data->avail_cpus);
384 DPRINTF("memsize = 0x%x\n", data->memory_size);
385
386 #if defined(TARGET_I386)
387 data->cpu_type = CPU_TYPE_I386;
388 DPRINTF("cpu_type changed to 0x%x(i386)\n", data->cpu_type);
389 data->cpu_subtype = CPU_SUBTYPE_PENT;
390 DPRINTF("cpu_subtype changed to 0x%x(i386_pent)\n", data->cpu_subtype);
391 #elif defined(TARGET_PPC)
392 data->cpu_type = CPU_TYPE_POWERPC;
393 DPRINTF("cpu_type changed to 0x%x(ppc)\n", data->cpu_type);
394 data->cpu_subtype = CPU_SUBTYPE_POWERPC_750;
395 DPRINTF("cpu_subtype changed to 0x%x(ppc_all)\n", data->cpu_subtype);
396 #else
397 # error target not supported
398 #endif
399 break;
400 }
401 case 202: /* host_page_size */
402 {
403 mig_reply_error_t *err = (mig_reply_error_t *)hdr;
404 uint32_t *pagesize = (uint32_t *)(err+1);
405
406 DPRINTF("pagesize = %d\n", *pagesize);
407 break;
408 }
409 default: break;
410 }
411
412 swap_mach_msg(hdr, bswap_out);
413
414 return ret;
415 }
416
417 long do_mach_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3,
418 uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7,
419 uint32_t arg8)
420 {
421 extern uint32_t mach_reply_port(void);
422
423 long ret = 0;
424
425 arg1 = tswap32(arg1);
426 arg2 = tswap32(arg2);
427 arg3 = tswap32(arg3);
428 arg4 = tswap32(arg4);
429 arg5 = tswap32(arg5);
430 arg6 = tswap32(arg6);
431 arg7 = tswap32(arg7);
432 arg8 = tswap32(arg8);
433
434 DPRINTF("mach syscall %d : " , num);
435
436 switch(num) {
437 /* see xnu/osfmk/mach/syscall_sw.h */
438 case -26:
439 DPRINTF("mach_reply_port()\n");
440 ret = mach_reply_port();
441 break;
442 case -27:
443 DPRINTF("mach_thread_self()\n");
444 ret = mach_thread_self();
445 break;
446 case -28:
447 DPRINTF("mach_task_self()\n");
448 ret = mach_task_self();
449 break;
450 case -29:
451 DPRINTF("mach_host_self()\n");
452 ret = mach_host_self();
453 break;
454 case -31:
455 DPRINTF("mach_msg_trap(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
456 arg1, arg2, arg3, arg4, arg5, arg6, arg7);
457 ret = target_mach_msg_trap((mach_msg_header_t *)arg1, arg2, arg3, arg4, arg5, arg6, arg7);
458 break;
459 /* may need more translation if target arch is different from host */
460 #if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__))
461 case -33:
462 DPRINTF("semaphore_signal_trap(0x%x)\n", arg1);
463 ret = semaphore_signal_trap(arg1);
464 break;
465 case -34:
466 DPRINTF("semaphore_signal_all_trap(0x%x)\n", arg1);
467 ret = semaphore_signal_all_trap(arg1);
468 break;
469 case -35:
470 DPRINTF("semaphore_signal_thread_trap(0x%x)\n", arg1, arg2);
471 ret = semaphore_signal_thread_trap(arg1,arg2);
472 break;
473 #endif
474 case -36:
475 DPRINTF("semaphore_wait_trap(0x%x)\n", arg1);
476 extern int semaphore_wait_trap(int); // XXX: is there any header for that?
477 ret = semaphore_wait_trap(arg1);
478 break;
479 /* may need more translation if target arch is different from host */
480 #if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__))
481 case -37:
482 DPRINTF("semaphore_wait_signal_trap(0x%x, 0x%x)\n", arg1, arg2);
483 ret = semaphore_wait_signal_trap(arg1,arg2);
484 break;
485 #endif
486 case -43:
487 DPRINTF("map_fd(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
488 arg1, arg2, arg3, arg4, arg5);
489 ret = map_fd(arg1, arg2, (void*)arg3, arg4, arg5);
490 tswap32s((uint32_t*)arg3);
491 break;
492 /* may need more translation if target arch is different from host */
493 #if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__))
494 case -61:
495 DPRINTF("syscall_thread_switch(0x%x, 0x%x, 0x%x)\n",
496 arg1, arg2, arg3);
497 ret = syscall_thread_switch(arg1, arg2, arg3); // just a hint to the scheduler; can drop?
498 break;
499 #endif
500 case -89:
501 DPRINTF("mach_timebase_info(0x%x)\n", arg1);
502 struct mach_timebase_info info;
503 ret = mach_timebase_info(&info);
504 if(!is_error(ret))
505 {
506 struct mach_timebase_info *outInfo = (void*)arg1;
507 outInfo->numer = tswap32(info.numer);
508 outInfo->denom = tswap32(info.denom);
509 }
510 break;
511 case -90:
512 DPRINTF("mach_wait_until()\n");
513 extern int mach_wait_until(uint64_t); // XXX: is there any header for that?
514 ret = mach_wait_until(((uint64_t)arg2<<32) | (uint64_t)arg1);
515 break;
516 case -91:
517 DPRINTF("mk_timer_create()\n");
518 extern int mk_timer_create(); // XXX: is there any header for that?
519 ret = mk_timer_create();
520 break;
521 case -92:
522 DPRINTF("mk_timer_destroy()\n");
523 extern int mk_timer_destroy(int); // XXX: is there any header for that?
524 ret = mk_timer_destroy(arg1);
525 break;
526 case -93:
527 DPRINTF("mk_timer_create()\n");
528 extern int mk_timer_arm(int, uint64_t); // XXX: is there any header for that?
529 ret = mk_timer_arm(arg1, ((uint64_t)arg3<<32) | (uint64_t)arg2);
530 break;
531 case -94:
532 DPRINTF("mk_timer_cancel()\n");
533 extern int mk_timer_cancel(int, uint64_t *); // XXX: is there any header for that?
534 ret = mk_timer_cancel(arg1, (uint64_t *)arg2);
535 if((!is_error(ret)) && arg2)
536 tswap64s((uint64_t *)arg2);
537 break;
538 default:
539 gemu_log("qemu: Unsupported mach syscall: %d(0x%x)\n", num, num);
540 gdb_handlesig (cpu_env, SIGTRAP);
541 exit(0);
542 break;
543 }
544 return ret;
545 }
546
547 /* ------------------------------------------------------------
548 thread type syscall handling
549 */
550 long do_thread_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3,
551 uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7,
552 uint32_t arg8)
553 {
554 extern uint32_t cthread_set_self(uint32_t);
555 extern uint32_t processor_facilities_used(void);
556 long ret = 0;
557
558 arg1 = tswap32(arg1);
559 arg2 = tswap32(arg2);
560 arg3 = tswap32(arg3);
561 arg4 = tswap32(arg4);
562 arg5 = tswap32(arg5);
563 arg6 = tswap32(arg6);
564 arg7 = tswap32(arg7);
565 arg8 = tswap32(arg8);
566
567 DPRINTF("thread syscall %d : " , num);
568
569 switch(num) {
570 #ifdef TARGET_I386
571 case 0x3:
572 #endif
573 case 0x7FF1: /* cthread_set_self */
574 DPRINTF("cthread_set_self(0x%x)\n", (unsigned int)arg1);
575 ret = cthread_set_self(arg1);
576 #ifdef TARGET_I386
577 /* we need to update the LDT with the address of the thread */
578 write_dt((void *)(((CPUX86State *) cpu_env)->ldt.base + (4 * sizeof(uint64_t))), arg1, 1,
579 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
580 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
581 /* New i386 convention, %gs should be set to our this LDT entry */
582 cpu_x86_load_seg(cpu_env, R_GS, 0x27);
583 /* Old i386 convention, the kernel returns the selector for the cthread (pre-10.4.8?)*/
584 ret = 0x27;
585 #endif
586 break;
587 case 0x7FF2: /* Called the super-fast pthread_self handler by the apple guys */
588 DPRINTF("pthread_self()\n");
589 ret = (uint32_t)pthread_self();
590 break;
591 case 0x7FF3:
592 DPRINTF("processor_facilities_used()\n");
593 #ifdef __i386__
594 qerror("processor_facilities_used: not implemented!\n");
595 #else
596 ret = (uint32_t)processor_facilities_used();
597 #endif
598 break;
599 default:
600 gemu_log("qemu: Unsupported thread syscall: %d(0x%x)\n", num, num);
601 gdb_handlesig (cpu_env, SIGTRAP);
602 exit(0);
603 break;
604 }
605 return ret;
606 }
607
608 /* ------------------------------------------------------------
609 ioctl handling
610 */
611 static inline void byteswap_termios(struct termios *t)
612 {
613 tswap32s((uint32_t*)&t->c_iflag);
614 tswap32s((uint32_t*)&t->c_oflag);
615 tswap32s((uint32_t*)&t->c_cflag);
616 tswap32s((uint32_t*)&t->c_lflag);
617 /* 20 (char) bytes then */
618 tswap32s((uint32_t*)&t->c_ispeed);
619 tswap32s((uint32_t*)&t->c_ospeed);
620 }
621
622 static inline void byteswap_winsize(struct winsize *w)
623 {
624 tswap16s(&w->ws_row);
625 tswap16s(&w->ws_col);
626 tswap16s(&w->ws_xpixel);
627 tswap16s(&w->ws_ypixel);
628 }
629
630 #define STRUCT(name, ...) STRUCT_ ## name,
631 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
632 enum {
633 #include "ioctls_types.h"
634 };
635 #undef STRUCT
636 #undef STRUCT_SPECIAL
637
638 #define STRUCT(name, ...) const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
639 #define STRUCT_SPECIAL(name)
640 #include "ioctls_types.h"
641 #undef STRUCT
642 #undef STRUCT_SPECIAL
643
644 typedef struct IOCTLEntry {
645 unsigned int target_cmd;
646 unsigned int host_cmd;
647 const char *name;
648 int access;
649 const argtype arg_type[5];
650 } IOCTLEntry;
651
652 #define IOC_R 0x0001
653 #define IOC_W 0x0002
654 #define IOC_RW (IOC_R | IOC_W)
655
656 #define MAX_STRUCT_SIZE 4096
657
658 static IOCTLEntry ioctl_entries[] = {
659 #define IOCTL(cmd, access, ...) \
660 { cmd, cmd, #cmd, access, { __VA_ARGS__ } },
661 #include "ioctls.h"
662 { 0, 0, },
663 };
664
665 /* ??? Implement proper locking for ioctls. */
666 static long do_ioctl(long fd, long cmd, long arg)
667 {
668 const IOCTLEntry *ie;
669 const argtype *arg_type;
670 int ret;
671 uint8_t buf_temp[MAX_STRUCT_SIZE];
672 int target_size;
673 void *argptr;
674
675 ie = ioctl_entries;
676 for(;;) {
677 if (ie->target_cmd == 0) {
678 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
679 return -ENOSYS;
680 }
681 if (ie->target_cmd == cmd)
682 break;
683 ie++;
684 }
685 arg_type = ie->arg_type;
686 #if defined(DEBUG)
687 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
688 #endif
689 switch(arg_type[0]) {
690 case TYPE_NULL:
691 /* no argument */
692 ret = get_errno(ioctl(fd, ie->host_cmd));
693 break;
694 case TYPE_PTRVOID:
695 case TYPE_INT:
696 /* int argment */
697 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
698 break;
699 case TYPE_PTR:
700 arg_type++;
701 target_size = thunk_type_size(arg_type, 0);
702 switch(ie->access) {
703 case IOC_R:
704 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
705 if (!is_error(ret)) {
706 argptr = lock_user(arg, target_size, 0);
707 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
708 unlock_user(argptr, arg, target_size);
709 }
710 break;
711 case IOC_W:
712 argptr = lock_user(arg, target_size, 1);
713 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
714 unlock_user(argptr, arg, 0);
715 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
716 break;
717 default:
718 case IOC_RW:
719 argptr = lock_user(arg, target_size, 1);
720 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
721 unlock_user(argptr, arg, 0);
722 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
723 if (!is_error(ret)) {
724 argptr = lock_user(arg, target_size, 0);
725 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
726 unlock_user(argptr, arg, target_size);
727 }
728 break;
729 }
730 break;
731 default:
732 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
733 ret = -ENOSYS;
734 break;
735 }
736 return ret;
737 }
738
739 /* ------------------------------------------------------------
740 Unix syscall handling
741 */
742
743 static inline void byteswap_attrlist(struct attrlist *a)
744 {
745 tswap16s(&a->bitmapcount);
746 tswap16s(&a->reserved);
747 tswap32s(&a->commonattr);
748 tswap32s(&a->volattr);
749 tswap32s(&a->dirattr);
750 tswap32s(&a->fileattr);
751 tswap32s(&a->forkattr);
752 }
753
754 struct attrbuf_header {
755 unsigned long length;
756 };
757
758 static inline void byteswap_attrbuf(struct attrbuf_header *attrbuf, struct attrlist *attrlist)
759 {
760 DPRINTF("attrBuf.lenght %lx\n", attrbuf->length);
761 }
762
763 static inline void byteswap_statfs(struct statfs *s)
764 {
765 tswap16s((uint16_t*)&s->f_otype);
766 tswap16s((uint16_t*)&s->f_oflags);
767 tswap32s((uint32_t*)&s->f_bsize);
768 tswap32s((uint32_t*)&s->f_iosize);
769 tswap32s((uint32_t*)&s->f_blocks);
770 tswap32s((uint32_t*)&s->f_bfree);
771 tswap32s((uint32_t*)&s->f_bavail);
772 tswap32s((uint32_t*)&s->f_files);
773 tswap32s((uint32_t*)&s->f_ffree);
774 tswap32s((uint32_t*)&s->f_fsid.val[0]);
775 tswap32s((uint32_t*)&s->f_fsid.val[1]);
776 tswap16s((uint16_t*)&s->f_reserved1);
777 tswap16s((uint16_t*)&s->f_type);
778 tswap32s((uint32_t*)&s->f_flags);
779 }
780
781 static inline void byteswap_stat(struct stat *s)
782 {
783 tswap32s((uint32_t*)&s->st_dev);
784 tswap32s(&s->st_ino);
785 tswap16s(&s->st_mode);
786 tswap16s(&s->st_nlink);
787 tswap32s(&s->st_uid);
788 tswap32s(&s->st_gid);
789 tswap32s((uint32_t*)&s->st_rdev);
790 tswap32s((uint32_t*)&s->st_atimespec.tv_sec);
791 tswap32s((uint32_t*)&s->st_atimespec.tv_nsec);
792 tswap32s((uint32_t*)&s->st_mtimespec.tv_sec);
793 tswap32s((uint32_t*)&s->st_mtimespec.tv_nsec);
794 tswap32s((uint32_t*)&s->st_ctimespec.tv_sec);
795 tswap32s((uint32_t*)&s->st_ctimespec.tv_nsec);
796 tswap64s((uint64_t*)&s->st_size);
797 tswap64s((uint64_t*)&s->st_blocks);
798 tswap32s((uint32_t*)&s->st_blksize);
799 tswap32s(&s->st_flags);
800 tswap32s(&s->st_gen);
801 }
802
803 static inline void byteswap_dirents(struct dirent *d, int bytes)
804 {
805 char *b;
806 for( b = (char*)d; (int)b < (int)d+bytes; )
807 {
808 unsigned short s = ((struct dirent *)b)->d_reclen;
809 tswap32s(&((struct dirent *)b)->d_ino);
810 tswap16s(&((struct dirent *)b)->d_reclen);
811 if(s<=0)
812 break;
813 b += s;
814 }
815 }
816
817 static inline void byteswap_iovec(struct iovec *v, int n)
818 {
819 int i;
820 for(i = 0; i < n; i++)
821 {
822 tswap32s((uint32_t*)&v[i].iov_base);
823 tswap32s((uint32_t*)&v[i].iov_len);
824 }
825 }
826
827 static inline void byteswap_timeval(struct timeval *t)
828 {
829 tswap32s((uint32_t*)&t->tv_sec);
830 tswap32s((uint32_t*)&t->tv_usec);
831 }
832
833 long do_unix_syscall_indirect(void *cpu_env, int num);
834 long do_sync(void);
835 long do_exit(uint32_t arg1);
836 long do_getlogin(char *out, uint32_t size);
837 long do_open(char * arg1, uint32_t arg2, uint32_t arg3);
838 long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3);
839 long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3);
840 long do_execve(char* arg1, char ** arg2, char ** arg3);
841 long do_getgroups(uint32_t arg1, gid_t * arg2);
842 long do_gettimeofday(struct timeval * arg1, void * arg2);
843 long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3);
844 long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3);
845 long do_utimes(char * arg1, struct timeval * arg2);
846 long do_futimes(uint32_t arg1, struct timeval * arg2);
847 long do_statfs(char * arg1, struct statfs * arg2);
848 long do_fstatfs(uint32_t arg1, struct statfs * arg2);
849 long do_stat(char * arg1, struct stat * arg2);
850 long do_fstat(uint32_t arg1, struct stat * arg2);
851 long do_lstat(char * arg1, struct stat * arg2);
852 long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4);
853 long do_lseek(void *cpu_env, int num);
854 long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen /* ignored */);
855 long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5);
856 long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8);
857 long do_fcntl(int fd, int cmd, int arg);
858
859 long no_syscall(void *cpu_env, int num);
860
861 long do_pread(uint32_t arg1, void * arg2, size_t arg3, off_t arg4)
862 {
863 DPRINTF("0x%x, %p, 0x%lx, 0x%llx\n", arg1, arg2, arg3, arg4);
864 long ret = pread(arg1, arg2, arg3, arg4);
865 return ret;
866 }
867
868 long do_read(int d, void *buf, size_t nbytes)
869 {
870 DPRINTF("0x%x, %p, 0x%lx\n", d, buf, nbytes);
871 long ret = get_errno(read(d, buf, nbytes));
872 if(!is_error(ret))
873 DPRINTF("%x\n", *(uint32_t*)buf);
874 return ret;
875 }
876
877 long unimpl_unix_syscall(void *cpu_env, int num);
878
879 typedef long (*syscall_function_t)(void *cpu_env, int num);
880
881
882 /* define a table that will handle the syscall number->function association */
883 #define VOID void
884 #define INT (uint32_t)get_int_arg(&i, cpu_env)
885 #define INT64 (uint64_t)get_int64_arg(&i, cpu_env)
886 #define UINT (unsigned int)INT
887 #define PTR (void*)INT
888
889 #define SIZE INT
890 #define OFFSET INT64
891
892 #define WRAPPER_CALL_DIRECT_0(function, args) long __qemu_##function(void *cpu_env) { return (long)function(); }
893 #define WRAPPER_CALL_DIRECT_1(function, _arg1) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; return (long)function(arg1); }
894 #define WRAPPER_CALL_DIRECT_2(function, _arg1, _arg2) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; return (long)function(arg1, arg2); }
895 #define WRAPPER_CALL_DIRECT_3(function, _arg1, _arg2, _arg3) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; return (long)function(arg1, arg2, arg3); }
896 #define WRAPPER_CALL_DIRECT_4(function, _arg1, _arg2, _arg3, _arg4) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; return (long)function(arg1, arg2, arg3, arg4); }
897 #define WRAPPER_CALL_DIRECT_5(function, _arg1, _arg2, _arg3, _arg4, _arg5) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; return (long)function(arg1, arg2, arg3, arg4, arg5); }
898 #define WRAPPER_CALL_DIRECT_6(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; return (long)function(arg1, arg2, arg3, arg4, arg5, arg6); }
899 #define WRAPPER_CALL_DIRECT_7(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6, _arg7) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; typeof(_arg7) arg7 = _arg7; return (long)function(arg1, arg2, arg3, arg4, arg5, arg6, arg7); }
900 #define WRAPPER_CALL_DIRECT_8(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6, _arg7, _arg8) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; typeof(_arg7) arg7 = _arg7; typeof(_arg8) arg8 = _arg8; return (long)function(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8); }
901 #define WRAPPER_CALL_DIRECT(function, nargs, ...) WRAPPER_CALL_DIRECT_##nargs(function, __VA_ARGS__)
902 #define WRAPPER_CALL_NOERRNO(function, nargs, ...) WRAPPER_CALL_DIRECT(function, nargs, __VA_ARGS__)
903 #define WRAPPER_CALL_INDIRECT(function, nargs, ...)
904 #define ENTRY(name, number, function, nargs, call_type, ...) WRAPPER_##call_type(function, nargs, __VA_ARGS__)
905
906 #include "syscalls.h"
907
908 #undef ENTRY
909 #undef WRAPPER_CALL_DIRECT
910 #undef WRAPPER_CALL_NOERRNO
911 #undef WRAPPER_CALL_INDIRECT
912 #undef OFFSET
913 #undef SIZE
914 #undef INT
915 #undef PTR
916 #undef INT64
917
918 #define _ENTRY(name, number, function, nargs, call_type) [number] = {\
919 name, \
920 number, \
921 (syscall_function_t)function, \
922 nargs, \
923 call_type \
924 },
925
926 #define ENTRY_CALL_DIRECT(name, number, function, nargs, call_type) _ENTRY(name, number, __qemu_##function, nargs, call_type)
927 #define ENTRY_CALL_NOERRNO(name, number, function, nargs, call_type) ENTRY_CALL_DIRECT(name, number, function, nargs, call_type)
928 #define ENTRY_CALL_INDIRECT(name, number, function, nargs, call_type) _ENTRY(name, number, function, nargs, call_type)
929 #define ENTRY(name, number, function, nargs, call_type, ...) ENTRY_##call_type(name, number, function, nargs, call_type)
930
931 #define CALL_DIRECT 1
932 #define CALL_INDIRECT 2
933 #define CALL_NOERRNO (CALL_DIRECT | 4 /* = 5 */)
934
935 struct unix_syscall {
936 char * name;
937 int number;
938 syscall_function_t function;
939 int nargs;
940 int call_type;
941 } unix_syscall_table[SYS_MAXSYSCALL] = {
942 #include "syscalls.h"
943 };
944
945 #undef ENTRY
946 #undef _ENTRY
947 #undef ENTRY_CALL_DIRECT
948 #undef ENTRY_CALL_INDIRECT
949 #undef ENTRY_CALL_NOERRNO
950
951 /* Actual syscalls implementation */
952
953 long do_unix_syscall_indirect(void *cpu_env, int num)
954 {
955 long ret;
956 int new_num;
957 int i = 0;
958
959 new_num = get_int_arg(&i, cpu_env);
960 #ifdef TARGET_I386
961 ((CPUX86State*)cpu_env)->regs[R_ESP] += 4;
962 /* XXX: not necessary */
963 ((CPUX86State*)cpu_env)->regs[R_EAX] = new_num;
964 #elif TARGET_PPC
965 {
966 int i;
967 uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr;
968 for(i = 3; i < 11; i++)
969 *regs[i] = *regs[i+1];
970 /* XXX: not necessary */
971 *regs[0] = new_num;
972 }
973 #endif
974 ret = do_unix_syscall(cpu_env, new_num);
975 #ifdef TARGET_I386
976 ((CPUX86State*)cpu_env)->regs[R_ESP] -= 4;
977 /* XXX: not necessary */
978 ((CPUX86State*)cpu_env)->regs[R_EAX] = num;
979 #elif TARGET_PPC
980 {
981 int i;
982 /* XXX: not really needed those regs are volatile accross calls */
983 uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr;
984 for(i = 11; i > 3; i--)
985 *regs[i] = *regs[i-1];
986 regs[3] = new_num;
987 *regs[0] = num;
988 }
989 #endif
990 return ret;
991 }
992
993 long do_exit(uint32_t arg1)
994 {
995 exit(arg1);
996 /* not reached */
997 return -1;
998 }
999
1000 long do_sync(void)
1001 {
1002 sync();
1003 return 0;
1004 }
1005
1006 long do_getlogin(char *out, uint32_t size)
1007 {
1008 char *login = getlogin();
1009 if(!login)
1010 return -1;
1011 memcpy(out, login, size);
1012 return 0;
1013 }
1014 long do_open(char * arg1, uint32_t arg2, uint32_t arg3)
1015 {
1016 /* XXX: don't let the %s stay in there */
1017 DPRINTF("open(%s, 0x%x, 0x%x)\n", arg1, arg2, arg3);
1018 return get_errno(open(arg1, arg2, arg3));
1019 }
1020
1021 long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3)
1022 {
1023 long ret;
1024 DPRINTF("getfsstat(%p, 0x%x, 0x%x)\n", arg1, arg2, arg3);
1025 ret = get_errno(getfsstat(arg1, arg2, arg3));
1026 if((!is_error(ret)) && arg1)
1027 byteswap_statfs(arg1);
1028 return ret;
1029 }
1030
1031 long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3)
1032 {
1033 long ret;
1034 DPRINTF("sigprocmask(%d, %p, %p)\n", arg1, arg2, arg3);
1035 gemu_log("XXX: sigprocmask not tested (%d, %p, %p)\n", arg1, arg2, arg3);
1036 if(arg2)
1037 tswap32s(arg2);
1038 ret = get_errno(sigprocmask(arg1, (void *)arg2, (void *)arg3));
1039 if((!is_error(ret)) && arg3)
1040 tswap32s(arg3);
1041 if(arg2)
1042 tswap32s(arg2);
1043 return ret;
1044 }
1045
1046 long do_execve(char* arg1, char ** arg2, char ** arg3)
1047 {
1048 long ret;
1049 char **argv = arg2;
1050 char **envp = arg3;
1051 int argc;
1052 int envc;
1053
1054 /* XXX: don't let the %s stay in here */
1055 DPRINTF("execve(%s, %p, %p)\n", arg1, arg2, arg3);
1056
1057 for(argc = 0; argv[argc]; argc++);
1058 for(envc = 0; envp[envc]; envc++);
1059
1060 argv = (char**)malloc(sizeof(char*)*argc);
1061 envp = (char**)malloc(sizeof(char*)*envc);
1062
1063 for(; argc >= 0; argc--)
1064 argv[argc] = (char*)tswap32((uint32_t)(arg2)[argc]);
1065
1066 for(; envc >= 0; envc--)
1067 envp[envc] = (char*)tswap32((uint32_t)(arg3)[envc]);
1068
1069 ret = get_errno(execve(arg1, argv, envp));
1070 free(argv);
1071 free(envp);
1072 return ret;
1073 }
1074
1075 long do_getgroups(uint32_t arg1, gid_t * arg2)
1076 {
1077 long ret;
1078 int i;
1079 DPRINTF("getgroups(0x%x, %p)\n", arg1, arg2);
1080 ret = get_errno(getgroups(arg1, arg2));
1081 if(ret > 0)
1082 for(i = 0; i < arg1; i++)
1083 tswap32s(&arg2[i]);
1084 return ret;
1085 }
1086
1087 long do_gettimeofday(struct timeval * arg1, void * arg2)
1088 {
1089 long ret;
1090 DPRINTF("gettimeofday(%p, %p)\n",
1091 arg1, arg2);
1092 ret = get_errno(gettimeofday(arg1, arg2));
1093 if(!is_error(ret))
1094 {
1095 /* timezone no longer used according to the manpage, so don't bother with it */
1096 byteswap_timeval(arg1);
1097 }
1098 return ret;
1099 }
1100
1101 long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3)
1102 {
1103 long ret;
1104 DPRINTF("readv(0x%x, %p, 0x%x)\n", arg1, arg2, arg3);
1105 if(arg2)
1106 byteswap_iovec(arg2, arg3);
1107 ret = get_errno(readv(arg1, arg2, arg3));
1108 if((!is_error(ret)) && arg2)
1109 byteswap_iovec(arg2, arg3);
1110 return ret;
1111 }
1112
1113 long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3)
1114 {
1115 long ret;
1116 DPRINTF("writev(0x%x, %p, 0x%x)\n", arg1, arg2, arg3);
1117 if(arg2)
1118 byteswap_iovec(arg2, arg3);
1119 ret = get_errno(writev(arg1, arg2, arg3));
1120 if((!is_error(ret)) && arg2)
1121 byteswap_iovec(arg2, arg3);
1122 return ret;
1123 }
1124
1125 long do_utimes(char * arg1, struct timeval * arg2)
1126 {
1127 DPRINTF("utimes(%p, %p)\n", arg1, arg2);
1128 if(arg2)
1129 {
1130 byteswap_timeval(arg2);
1131 byteswap_timeval(arg2+1);
1132 }
1133 return get_errno(utimes(arg1, arg2));
1134 }
1135
1136 long do_futimes(uint32_t arg1, struct timeval * arg2)
1137 {
1138 DPRINTF("futimes(0x%x, %p)\n", arg1, arg2);
1139 if(arg2)
1140 {
1141 byteswap_timeval(arg2);
1142 byteswap_timeval(arg2+1);
1143 }
1144 return get_errno(futimes(arg1, arg2));
1145 }
1146
1147 long do_statfs(char * arg1, struct statfs * arg2)
1148 {
1149 long ret;
1150 DPRINTF("statfs(%p, %p)\n", arg1, arg2);
1151 ret = get_errno(statfs(arg1, arg2));
1152 if(!is_error(ret))
1153 byteswap_statfs(arg2);
1154 return ret;
1155 }
1156
1157 long do_fstatfs(uint32_t arg1, struct statfs* arg2)
1158 {
1159 long ret;
1160 DPRINTF("fstatfs(0x%x, %p)\n",
1161 arg1, arg2);
1162 ret = get_errno(fstatfs(arg1, arg2));
1163 if(!is_error(ret))
1164 byteswap_statfs(arg2);
1165
1166 return ret;
1167 }
1168
1169 long do_stat(char * arg1, struct stat * arg2)
1170 {
1171 long ret;
1172 /* XXX: don't let the %s stay in there */
1173 DPRINTF("stat(%s, %p)\n", arg1, arg2);
1174 ret = get_errno(stat(arg1, arg2));
1175 if(!is_error(ret))
1176 byteswap_stat(arg2);
1177 return ret;
1178 }
1179
1180 long do_fstat(uint32_t arg1, struct stat * arg2)
1181 {
1182 long ret;
1183 DPRINTF("fstat(0x%x, %p)\n", arg1, arg2);
1184 ret = get_errno(fstat(arg1, arg2));
1185 if(!is_error(ret))
1186 byteswap_stat(arg2);
1187 return ret;
1188 }
1189
1190 long do_lstat(char * arg1, struct stat * arg2)
1191 {
1192 long ret;
1193 /* XXX: don't let the %s stay in there */
1194 DPRINTF("lstat(%s, %p)\n", (const char *)arg1, arg2);
1195 ret = get_errno(lstat(arg1, arg2));
1196 if(!is_error(ret))
1197 byteswap_stat(arg2);
1198 return ret;
1199 }
1200
1201 long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4)
1202 {
1203 long ret;
1204 DPRINTF("getdirentries(0x%x, %p, 0x%x, %p)\n", arg1, arg2, arg3, arg4);
1205 if(arg4)
1206 tswap32s((uint32_t *)arg4);
1207 ret = get_errno(getdirentries(arg1, arg2, arg3, arg4));
1208 if(arg4)
1209 tswap32s((uint32_t *)arg4);
1210 if(!is_error(ret))
1211 byteswap_dirents(arg2, ret);
1212 return ret;
1213 }
1214
1215 long do_lseek(void *cpu_env, int num)
1216 {
1217 long ret;
1218 int i = 0;
1219 uint32_t arg1 = get_int_arg(&i, cpu_env);
1220 uint64_t offset = get_int64_arg(&i, cpu_env);
1221 uint32_t arg3 = get_int_arg(&i, cpu_env);
1222 uint64_t r = lseek(arg1, offset, arg3);
1223 #ifdef TARGET_I386
1224 /* lowest word in eax, highest in edx */
1225 ret = r & 0xffffffff; /* will be set to eax after do_unix_syscall exit */
1226 ((CPUX86State *)cpu_env)->regs[R_EDX] = (uint32_t)((r >> 32) & 0xffffffff) ;
1227 #elif defined TARGET_PPC
1228 ret = r & 0xffffffff; /* will be set to r3 after do_unix_syscall exit */
1229 ((CPUPPCState *)cpu_env)->gpr[4] = (uint32_t)((r >> 32) & 0xffffffff) ;
1230 #else
1231 qerror("64 bit ret value on your arch?");
1232 #endif
1233 return get_errno(ret);
1234 }
1235
1236 void no_swap(void * oldp, int size)
1237 {
1238 }
1239
1240 void sysctl_tswap32s(void * oldp, int size)
1241 {
1242 tswap32s(oldp);
1243 }
1244
1245 void bswap_oid(uint32_t * oldp, int size)
1246 {
1247 int count = size / sizeof(int);
1248 int i = 0;
1249 do { tswap32s(oldp + i); } while (++i < count);
1250 }
1251
1252 void sysctl_usrstack(uint32_t * oldp, int size)
1253 {
1254 DPRINTF("sysctl_usrstack: 0x%x\n", *oldp);
1255 tswap32s(oldp);
1256 }
1257
1258 void sysctl_ncpu(uint32_t * ncpu, int size)
1259 {
1260 *ncpu = 0x1;
1261 DPRINTF("sysctl_ncpu: 0x%x\n", *ncpu);
1262 tswap32s(ncpu);
1263 }
1264
1265 void sysctl_exec(char * exec, int size)
1266 {
1267 DPRINTF("sysctl_exec: %s\n", exec);
1268 }
1269
1270 void sysctl_translate(char * exec, int size)
1271 {
1272 DPRINTF("sysctl_translate: %s\n", exec);
1273 }
1274
1275 struct sysctl_dir {
1276 int num;
1277 const char * name;
1278 void (*swap_func)(void *, int);
1279 struct sysctl_dir *childs;
1280 };
1281
1282 #define ENTRYD(num, name, childs) { num, name, NULL, childs }
1283 #define ENTRYE(num, name, func) { num, name, (void (*)(void *, int))func, NULL }
1284 struct sysctl_dir sysctls_unspec[] = {
1285 ENTRYE(3, "oip", bswap_oid),
1286 { 0, NULL, NULL, NULL }
1287 };
1288
1289 struct sysctl_dir sysctls_kern[] = {
1290 ENTRYE(KERN_TRANSLATE, "translate", sysctl_translate), /* 44 */
1291 ENTRYE(KERN_EXEC, "exec", sysctl_exec), /* 45 */
1292 ENTRYE(KERN_USRSTACK32, "KERN_USRSTACK32", sysctl_usrstack), /* 35 */
1293 ENTRYE(KERN_SHREG_PRIVATIZABLE, "KERN_SHREG_PRIVATIZABLE", sysctl_tswap32s), /* 54 */
1294 { 0, NULL, NULL, NULL }
1295 };
1296
1297 struct sysctl_dir sysctls_hw[] = {
1298 ENTRYE(HW_NCPU, "ncpud", sysctl_tswap32s),
1299 ENTRYE(104, "104", no_swap),
1300 ENTRYE(105, "105", no_swap),
1301 { 0, NULL, NULL, NULL }
1302 };
1303
1304 struct sysctl_dir sysctls[] = {
1305 ENTRYD(CTL_UNSPEC, "unspec", sysctls_unspec),
1306 ENTRYD(CTL_KERN, "kern", sysctls_kern),
1307 ENTRYD(CTL_HW, "hw", sysctls_hw ),
1308 { 0, NULL, NULL, NULL }
1309 };
1310
1311 #undef ENTRYE
1312 #undef ENTRYD
1313
1314 static inline struct sysctl_dir * get_sysctl_entry_for_mib(int mib, struct sysctl_dir * sysctl_elmt)
1315 {
1316 if(!sysctl_elmt)
1317 return NULL;
1318 for(; sysctl_elmt->name != NULL ; sysctl_elmt++) {
1319 if(sysctl_elmt->num == mib)
1320 return sysctl_elmt;
1321 }
1322 return NULL;
1323 }
1324
1325 static inline long bswap_syctl(int * mib, int count, void *buf, int size)
1326 {
1327 int i;
1328 struct sysctl_dir * sysctl = sysctls;
1329 struct sysctl_dir * ret = NULL;
1330
1331 for(i = 0; i < count; i++) {
1332
1333 if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))) {
1334 gemu_log("bswap_syctl: can't find mib %d\n", mib[i]);
1335 return -ENOTDIR;
1336 }
1337 if(!(sysctl = sysctl->childs))
1338 break;
1339 }
1340
1341 if(ret->childs)
1342 qerror("we shouldn't have a directory element\n");
1343
1344 ret->swap_func(buf, size);
1345 return 0;
1346 }
1347
1348 static inline void print_syctl(int * mib, int count)
1349 {
1350 int i;
1351 struct sysctl_dir * sysctl = sysctls;
1352 struct sysctl_dir * ret = NULL;
1353
1354 for(i = 0; i < count; i++) {
1355 if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))){
1356 gemu_log("print_syctl: can't find mib %d\n", mib[i]);
1357 return;
1358 }
1359 DPRINTF("%s.", sysctl->name);
1360 if(!(sysctl = sysctl->childs))
1361 break;
1362 }
1363 DPRINTF("\n");
1364 }
1365
1366 long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen /* ignored */)
1367 {
1368 long ret = 0;
1369 int i;
1370 DPRINTF("sysctl(%p, 0x%x, %p, %p, %p, 0x%lx)\n",
1371 name, namelen, oldp, oldlenp, newp, newlen);
1372 if(name) {
1373 i = 0;
1374 do { tswap32s( name + i); } while (++i < namelen);
1375 print_syctl(name, namelen);
1376 //bswap_syctl(name, namelen, newp, newlen);
1377 tswap32s((uint32_t*)oldlenp);
1378 }
1379
1380 if(name) /* Sometimes sysctl is called with no arg1, ignore */
1381 ret = get_errno(sysctl(name, namelen, oldp, oldlenp, newp, newlen));
1382
1383 #if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
1384 if (!is_error(ret) && bswap_syctl(name, namelen, oldp, *oldlenp) != 0) {
1385 return -ENOTDIR;
1386 }
1387 #endif
1388
1389 if(name) {
1390 //bswap_syctl(name, namelen, newp, newlen);
1391 tswap32s((uint32_t*)oldlenp);
1392
1393 i = 0;
1394 do { tswap32s( name + i); } while (++i < namelen);
1395 }
1396 return ret;
1397 }
1398
1399 long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5)
1400 {
1401 struct attrlist * attrlist = (void *)arg2;
1402 long ret;
1403
1404 #if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
1405 gemu_log("SYS_getdirentriesattr unimplemented\n");
1406 return -ENOTSUP;
1407 #endif
1408 /* XXX: don't let the %s stay in there */
1409 DPRINTF("getattrlist(%s, %p, %p, 0x%x, 0x%x)\n",
1410 (char *)arg1, arg2, arg3, arg4, arg5);
1411
1412 if(arg2) /* XXX: We should handle that in a copy especially
1413 if the structure is not writable */
1414 byteswap_attrlist(attrlist);
1415
1416 ret = get_errno(getattrlist((const char* )arg1, attrlist, (void *)arg3, arg4, arg5));
1417
1418 if(!is_error(ret))
1419 {
1420 byteswap_attrbuf((void *)arg3, attrlist);
1421 byteswap_attrlist(attrlist);
1422 }
1423 return ret;
1424 }
1425
1426 long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8)
1427 {
1428 DPRINTF("getdirentriesattr(0x%x, %p, %p, 0x%lx, %p, %p, %p, 0x%x)\n",
1429 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
1430 #if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
1431 qerror("SYS_getdirentriesattr unimplemented\n");
1432 #endif
1433
1434 return get_errno(getdirentriesattr( arg1, (struct attrlist * )arg2, (void *)arg3, arg4,
1435 (unsigned long *)arg5, (unsigned long *)arg6,
1436 (unsigned long *)arg7, arg8));
1437 }
1438
1439 static inline void bswap_flock(struct flock *f)
1440 {
1441 tswap64s(&f->l_start);
1442 tswap64s(&f->l_len);
1443 tswap32s(&f->l_pid);
1444 tswap16s(&f->l_type);
1445 tswap16s(&f->l_whence);
1446 }
1447
1448 static inline void bswap_fstore(struct fstore *f)
1449 {
1450 tswap32s(&f->fst_flags);
1451 tswap32s(&f->fst_posmode);
1452 tswap64s(&f->fst_offset);
1453 tswap64s(&f->fst_length);
1454 tswap64s(&f->fst_bytesalloc);
1455 }
1456
1457 static inline void bswap_radvisory(struct radvisory *f)
1458 {
1459 tswap64s(&f->ra_offset);
1460 tswap32s(&f->ra_count);
1461 }
1462
1463 static inline void bswap_fbootstraptransfer(struct fbootstraptransfer *f)
1464 {
1465 tswap64s(&f->fbt_offset);
1466 tswap32s((uint32_t*)&f->fbt_length);
1467 tswap32s((uint32_t*)&f->fbt_buffer); /* XXX: this is a ptr */
1468 }
1469
1470 static inline void bswap_log2phys(struct log2phys *f)
1471 {
1472 tswap32s(&f->l2p_flags);
1473 tswap64s(&f->l2p_contigbytes);
1474 tswap64s(&f->l2p_devoffset);
1475 }
1476
1477 static inline void bswap_fcntl_arg(int cmd, void * arg)
1478 {
1479 switch(cmd)
1480 {
1481 case F_DUPFD:
1482 case F_GETFD:
1483 case F_SETFD:
1484 case F_GETFL:
1485 case F_SETFL:
1486 case F_GETOWN:
1487 case F_SETOWN:
1488 case F_SETSIZE:
1489 case F_RDAHEAD:
1490 case F_FULLFSYNC:
1491 break;
1492 case F_GETLK:
1493 case F_SETLK:
1494 case F_SETLKW:
1495 bswap_flock(arg);
1496 break;
1497 case F_PREALLOCATE:
1498 bswap_fstore(arg);
1499 break;
1500 case F_RDADVISE:
1501 bswap_radvisory(arg);
1502 break;
1503 case F_READBOOTSTRAP:
1504 case F_WRITEBOOTSTRAP:
1505 bswap_fbootstraptransfer(arg);
1506 break;
1507 case F_LOG2PHYS:
1508 bswap_log2phys(arg);
1509 break;
1510 default:
1511 gemu_log("unknow cmd in fcntl\n");
1512 }
1513 }
1514
1515 long do_fcntl(int fd, int cmd, int arg)
1516 {
1517 long ret;
1518 bswap_fcntl_arg(cmd, (void *)arg);
1519 ret = get_errno(fcntl(fd, cmd, arg));
1520 if(!is_error(ret))
1521 bswap_fcntl_arg(cmd, (void *)arg);
1522 return ret;
1523 }
1524
1525 long no_syscall(void *cpu_env, int num)
1526 {
1527 /* XXX: We should probably fordward it to the host kernel */
1528 qerror("no unix syscall %d\n", num);
1529 /* not reached */
1530 return -1;
1531 }
1532
1533 long unimpl_unix_syscall(void *cpu_env, int num)
1534 {
1535 if( (num < 0) || (num > SYS_MAXSYSCALL-1) )
1536 qerror("unix syscall %d is out of unix syscall bounds (0-%d) " , num, SYS_MAXSYSCALL-1);
1537
1538 gemu_log("qemu: Unsupported unix syscall %s %d\n", unix_syscall_table[num].name , num);
1539 gdb_handlesig (cpu_env, SIGTRAP);
1540 exit(-1);
1541 }
1542
1543 long do_unix_syscall(void *cpu_env, int num)
1544 {
1545 long ret = 0;
1546
1547 DPRINTF("unix syscall %d: " , num);
1548
1549 if( (num < 0) || (num > SYS_MAXSYSCALL-1) )
1550 qerror("unix syscall %d is out of unix syscall bounds (0-%d) " , num, SYS_MAXSYSCALL-1);
1551
1552 DPRINTF("%s [%s]", unix_syscall_table[num].name, unix_syscall_table[num].call_type & CALL_DIRECT ? "direct" : "indirect" );
1553 ret = unix_syscall_table[num].function(cpu_env, num);
1554
1555 if(!(unix_syscall_table[num].call_type & CALL_NOERRNO))
1556 ret = get_errno(ret);
1557
1558 DPRINTF("[returned 0x%x(%d)]\n", (int)ret, (int)ret);
1559 return ret;
1560 }
1561
1562 /* ------------------------------------------------------------
1563 syscall_init
1564 */
1565 void syscall_init(void)
1566 {
1567 /* Nothing yet */
1568 }
QEmu