OpenCores
URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [ppc/] [emul_netbsd.c] - Blame information for rev 165

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 24 jeremybenn 
/*  This file is part of the program psim.
2 
 
3 
    Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
4 
 
5 
    This program is free software; you can redistribute it and/or modify
6 
    it under the terms of the GNU General Public License as published by
7 
    the Free Software Foundation; either version 2 of the License, or
8 
    (at your option) any later version.
9 
 
10 
    This program is distributed in the hope that it will be useful,
11 
    but WITHOUT ANY WARRANTY; without even the implied warranty of
12 
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 
    GNU General Public License for more details.
14 
 
15 
    You should have received a copy of the GNU General Public License
16 
    along with this program; if not, write to the Free Software
17 
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 
 
19 
    */
20 
 
21 
 
22 
#ifndef _EMUL_NETBSD_C_
23 
#define _EMUL_NETBSD_C_
24 
 
25 
 
26 
/* Note: this module is called via a table.  There is no benefit in
27 
   making it inline */
28 
 
29 
#include "emul_generic.h"
30 
#include "emul_netbsd.h"
31 
 
32 
#ifdef HAVE_STRING_H
33 
#include <string.h>
34 
#else
35 
#ifdef HAVE_STRINGS_H
36 
#include <strings.h>
37 
#endif
38 
#endif
39 
 
40 
#include <sys/types.h>
41 
#include <sys/stat.h>
42 
#include <stdio.h>
43 
#include <signal.h>
44 
#include <fcntl.h>
45 
#include <errno.h>
46 
#include <sys/param.h>
47 
#include <sys/time.h>
48 
 
49 
#ifdef HAVE_GETRUSAGE
50 
#ifndef HAVE_SYS_RESOURCE_H
51 
#undef HAVE_GETRUSAGE
52 
#endif
53 
#endif
54 
 
55 
#ifdef HAVE_GETRUSAGE
56 
#include <sys/resource.h>
57 
int getrusage();
58 
#endif
59 
 
60 
#if HAVE_SYS_IOCTL_H
61 
#include <sys/ioctl.h>
62 
#endif
63 
 
64 
#if HAVE_DIRENT_H
65 
# include <dirent.h>
66 
# define NAMLEN(dirent) strlen((dirent)->d_name)
67 
#else
68 
# define dirent direct
69 
# define NAMLEN(dirent) (dirent)->d_namlen
70 
# if HAVE_SYS_NDIR_H
71 
#  include <sys/ndir.h>
72 
# endif
73 
# if HAVE_SYS_DIR_H
74 
#  include <sys/dir.h>
75 
# endif
76 
# if HAVE_NDIR_H
77 
#  include <ndir.h>
78 
# endif
79 
#endif
80 
 
81 
#ifdef HAVE_UNISTD_H
82 
#undef MAXPATHLEN               /* sys/param.h might define this also */
83 
#include <unistd.h>
84 
#endif
85 
 
86 
#ifdef HAVE_STDLIB_H
87 
#include <stdlib.h>
88 
#endif
89 
 
90 
#define WITH_NetBSD_HOST (NetBSD >= 199306)
91 
#if WITH_NetBSD_HOST /* here NetBSD as that is what we're emulating */
92 
#include <sys/syscall.h> /* FIXME - should not be including this one */
93 
#include <sys/sysctl.h>
94 
#include <sys/mount.h>
95 
extern int getdirentries(int fd, char *buf, int nbytes, long *basep);
96 
 
97 
/* NetBSD post 2.0 has the statfs system call (if COMPAT_20), but does
98 
   not have struct statfs.  In this case don't implement fstatfs.
99 
   FIXME: Should implement fstatvfs.  */
100 
#ifndef HAVE_STRUCT_STATFS
101 
#undef HAVE_FSTATFS
102 
#endif
103 
 
104 
#else
105 
 
106 
/* If this is not netbsd, don't allow fstatfs or getdirentries at this time */
107 
#undef HAVE_FSTATFS
108 
#undef HAVE_GETDIRENTRIES
109 
#endif
110 
 
111 
#if (BSD < 199306) /* here BSD as just a bug */
112 
extern int errno;
113 
#endif
114 
 
115 
#ifndef STATIC_INLINE_EMUL_NETBSD
116 
#define STATIC_INLINE_EMUL_NETBSD STATIC_INLINE
117 
#endif
118 
 
119 
 
120 
#if WITH_NetBSD_HOST
121 
#define SYS(X) ASSERT(call == (SYS_##X))
122 
#else
123 
#define SYS(X)
124 
#endif
125 
 
126 
#if WITH_NetBSD_HOST && (PATH_MAX != 1024)
127 
#error "PATH_MAX not 1024"
128 
#elif !defined(PATH_MAX)
129 
#define PATH_MAX 1024
130 
#endif
131 
 
132 
 
133 
/* EMULATION
134 
 
135 
   NetBSD - Emulation of user programs for NetBSD/PPC
136 
 
137 
   DESCRIPTION
138 
 
139 
   */
140 
 
141 
 
142 
/* NetBSD's idea of what is needed to implement emulations */
143 
 
144 
struct _os_emul_data {
145 
  device *vm;
146 
  emul_syscall *syscalls;
147 
};
148 
 
149 
 
150 
 
151 
STATIC_INLINE_EMUL_NETBSD void
152 
write_stat(unsigned_word addr,
153 
           struct stat buf,
154 
           cpu *processor,
155 
           unsigned_word cia)
156 
{
157 
  H2T(buf.st_dev);
158 
  H2T(buf.st_ino);
159 
  H2T(buf.st_mode);
160 
  H2T(buf.st_nlink);
161 
  H2T(buf.st_uid);
162 
  H2T(buf.st_gid);
163 
  H2T(buf.st_size);
164 
  H2T(buf.st_atime);
165 
  /* H2T(buf.st_spare1); */
166 
  H2T(buf.st_mtime);
167 
  /* H2T(buf.st_spare2); */
168 
  H2T(buf.st_ctime);
169 
  /* H2T(buf.st_spare3); */
170 
#ifdef AC_STRUCT_ST_RDEV
171 
  H2T(buf.st_rdev);
172 
#endif
173 
#ifdef AC_STRUCT_ST_BLKSIZE
174 
  H2T(buf.st_blksize);
175 
#endif
176 
#ifdef AC_STRUCT_ST_BLOCKS
177 
  H2T(buf.st_blocks);
178 
#endif
179 
#if WITH_NetBSD_HOST
180 
  H2T(buf.st_flags);
181 
  H2T(buf.st_gen);
182 
#endif
183 
  emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
184 
}
185 
 
186 
 
187 
#ifdef HAVE_FSTATFS
188 
STATIC_INLINE_EMUL_NETBSD void
189 
write_statfs(unsigned_word addr,
190 
             struct statfs buf,
191 
             cpu *processor,
192 
             unsigned_word cia)
193 
{
194 
  H2T(buf.f_type);
195 
  H2T(buf.f_flags);
196 
  H2T(buf.f_bsize);
197 
  H2T(buf.f_iosize);
198 
  H2T(buf.f_blocks);
199 
  H2T(buf.f_bfree);
200 
  H2T(buf.f_bavail);
201 
  H2T(buf.f_files);
202 
  H2T(buf.f_ffree);
203 
  H2T(buf.f_fsid.val[0]);
204 
  H2T(buf.f_fsid.val[1]);
205 
  H2T(buf.f_owner);
206 
  /* f_spare[4]; */
207 
  /* f_fstypename[MFSNAMELEN]; */
208 
  /* f_mntonname[MNAMELEN]; */
209 
  /* f_mntfromname[MNAMELEN]; */
210 
  emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
211 
}
212 
#endif
213 
 
214 
 
215 
STATIC_INLINE_EMUL_NETBSD void
216 
write_timeval(unsigned_word addr,
217 
              struct timeval t,
218 
              cpu *processor,
219 
              unsigned_word cia)
220 
{
221 
  H2T(t.tv_sec);
222 
  H2T(t.tv_usec);
223 
  emul_write_buffer(&t, addr, sizeof(t), processor, cia);
224 
}
225 
 
226 
#ifdef HAVE_GETTIMEOFDAY
227 
STATIC_INLINE_EMUL_NETBSD void
228 
write_timezone(unsigned_word addr,
229 
               struct timezone tz,
230 
               cpu *processor,
231 
               unsigned_word cia)
232 
{
233 
  H2T(tz.tz_minuteswest);
234 
  H2T(tz.tz_dsttime);
235 
  emul_write_buffer(&tz, addr, sizeof(tz), processor, cia);
236 
}
237 
#endif
238 
 
239 
#ifdef HAVE_GETDIRENTRIES
240 
STATIC_INLINE_EMUL_NETBSD void
241 
write_direntries(unsigned_word addr,
242 
                 char *buf,
243 
                 int nbytes,
244 
                 cpu *processor,
245 
                 unsigned_word cia)
246 
{
247 
  while (nbytes > 0) {
248 
    struct dirent *out;
249 
    struct dirent *in = (struct dirent*)buf;
250 
    ASSERT(in->d_reclen <= nbytes);
251 
    out = (struct dirent*)zalloc(in->d_reclen);
252 
    memcpy(out/*dest*/, in/*src*/, in->d_reclen);
253 
    H2T(out->d_fileno);
254 
    H2T(out->d_reclen);
255 
    H2T(out->d_type);
256 
    H2T(out->d_namlen);
257 
    emul_write_buffer(out, addr, in->d_reclen, processor, cia);
258 
    nbytes -= in->d_reclen;
259 
    addr += in->d_reclen;
260 
    buf += in->d_reclen;
261 
    zfree(out);
262 
  }
263 
}
264 
#endif
265 
 
266 
 
267 
#ifdef HAVE_GETRUSAGE
268 
STATIC_INLINE_EMUL_NETBSD void
269 
write_rusage(unsigned_word addr,
270 
             struct rusage rusage,
271 
             cpu *processor,
272 
             unsigned_word cia)
273 
{
274 
  H2T(rusage.ru_utime.tv_sec); /* user time used */
275 
  H2T(rusage.ru_utime.tv_usec);
276 
  H2T(rusage.ru_stime.tv_sec); /* system time used */
277 
  H2T(rusage.ru_stime.tv_usec);
278 
  H2T(rusage.ru_maxrss);          /* integral max resident set size */
279 
  H2T(rusage.ru_ixrss);           /* integral shared text memory size */
280 
  H2T(rusage.ru_idrss);           /* integral unshared data size */
281 
  H2T(rusage.ru_isrss);           /* integral unshared stack size */
282 
  H2T(rusage.ru_minflt);          /* page reclaims */
283 
  H2T(rusage.ru_majflt);          /* page faults */
284 
  H2T(rusage.ru_nswap);           /* swaps */
285 
  H2T(rusage.ru_inblock);         /* block input operations */
286 
  H2T(rusage.ru_oublock);         /* block output operations */
287 
  H2T(rusage.ru_msgsnd);          /* messages sent */
288 
  H2T(rusage.ru_msgrcv);          /* messages received */
289 
  H2T(rusage.ru_nsignals);        /* signals received */
290 
  H2T(rusage.ru_nvcsw);           /* voluntary context switches */
291 
  H2T(rusage.ru_nivcsw);          /* involuntary context switches */
292 
  emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia);
293 
}
294 
#endif
295 
 
296 
static void
297 
do_exit(os_emul_data *emul,
298 
        unsigned call,
299 
        const int arg0,
300 
        cpu *processor,
301 
        unsigned_word cia)
302 
{
303 
  int status = (int)cpu_registers(processor)->gpr[arg0];
304 
  SYS(exit);
305 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
306 
    printf_filtered ("%d)\n", status);
307 
 
308 
  cpu_halt(processor, cia, was_exited, status);
309 
}
310 
 
311 
 
312 
static void
313 
do_read(os_emul_data *emul,
314 
        unsigned call,
315 
        const int arg0,
316 
        cpu *processor,
317 
        unsigned_word cia)
318 
{
319 
  void *scratch_buffer;
320 
  int d = (int)cpu_registers(processor)->gpr[arg0];
321 
  unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
322 
  int nbytes = cpu_registers(processor)->gpr[arg0+2];
323 
  int status;
324 
  SYS(read);
325 
 
326 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
327 
    printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
328 
 
329 
  /* get a tempoary bufer */
330 
  scratch_buffer = zalloc(nbytes);
331 
 
332 
  /* check if buffer exists by reading it */
333 
  emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia);
334 
 
335 
  /* read */
336 
#if 0
337 
  if (d == 0) {
338 
    status = fread (scratch_buffer, 1, nbytes, stdin);
339 
    if (status == 0 && ferror (stdin))
340 
      status = -1;
341 
  }
342 
#endif
343 
  status = read (d, scratch_buffer, nbytes);
344 
 
345 
  emul_write_status(processor, status, errno);
346 
  if (status > 0)
347 
    emul_write_buffer(scratch_buffer, buf, status, processor, cia);
348 
 
349 
  zfree(scratch_buffer);
350 
}
351 
 
352 
 
353 
static void
354 
do_write(os_emul_data *emul,
355 
         unsigned call,
356 
         const int arg0,
357 
         cpu *processor,
358 
         unsigned_word cia)
359 
{
360 
  void *scratch_buffer = NULL;
361 
  int d = (int)cpu_registers(processor)->gpr[arg0];
362 
  unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
363 
  int nbytes = cpu_registers(processor)->gpr[arg0+2];
364 
  int status;
365 
  SYS(write);
366 
 
367 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
368 
    printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
369 
 
370 
  /* get a tempoary bufer */
371 
  scratch_buffer = zalloc(nbytes); /* FIXME - nbytes == 0 */
372 
 
373 
  /* copy in */
374 
  emul_read_buffer(scratch_buffer, buf, nbytes,
375 
                   processor, cia);
376 
 
377 
  /* write */
378 
  status = write(d, scratch_buffer, nbytes);
379 
  emul_write_status(processor, status, errno);
380 
  zfree(scratch_buffer);
381 
 
382 
  flush_stdoutput();
383 
}
384 
 
385 
 
386 
static void
387 
do_open(os_emul_data *emul,
388 
        unsigned call,
389 
        const int arg0,
390 
        cpu *processor,
391 
        unsigned_word cia)
392 
{
393 
  unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
394 
  char path_buf[PATH_MAX];
395 
  char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
396 
  int flags = (int)cpu_registers(processor)->gpr[arg0+1];
397 
  int mode = (int)cpu_registers(processor)->gpr[arg0+2];
398 
  int hostflags;
399 
  int status;
400 
 
401 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
402 
    printf_filtered ("0x%lx [%s], 0x%x, 0x%x", (long)path_addr, path, flags, mode);
403 
 
404 
  SYS(open);
405 
 
406 
  /* Do some translation on 'flags' to match it to the host's version.  */
407 
  /* These flag values were taken from the NetBSD 1.4 header files.  */
408 
  if ((flags & 3) == 0)
409 
    hostflags = O_RDONLY;
410 
  else if ((flags & 3) == 1)
411 
    hostflags = O_WRONLY;
412 
  else
413 
    hostflags = O_RDWR;
414 
  if (flags & 0x00000008)
415 
    hostflags |= O_APPEND;
416 
  if (flags & 0x00000200)
417 
    hostflags |= O_CREAT;
418 
  if (flags & 0x00000400)
419 
    hostflags |= O_TRUNC;
420 
  if (flags & 0x00000800)
421 
    hostflags |= O_EXCL;
422 
 
423 
  /* Can't combine these statements, cuz open sets errno. */
424 
  status = open(path, hostflags, mode);
425 
  emul_write_status(processor, status, errno);
426 
}
427 
 
428 
 
429 
static void
430 
do_close(os_emul_data *emul,
431 
         unsigned call,
432 
         const int arg0,
433 
         cpu *processor,
434 
         unsigned_word cia)
435 
{
436 
  int d = (int)cpu_registers(processor)->gpr[arg0];
437 
  int status;
438 
 
439 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
440 
    printf_filtered ("%d", d);
441 
 
442 
  SYS(close);
443 
 
444 
  /* Can't combine these statements, cuz close sets errno. */
445 
  status = close(d);
446 
  emul_write_status(processor, status, errno);
447 
}
448 
 
449 
 
450 
static void
451 
do_break(os_emul_data *emul,
452 
         unsigned call,
453 
         const int arg0,
454 
         cpu *processor,
455 
         unsigned_word cia)
456 
{
457 
  /* just pass this onto the `vm' device */
458 
  unsigned_word new_break = cpu_registers(processor)->gpr[arg0];
459 
  int status;
460 
 
461 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
462 
    printf_filtered ("0x%lx", (long)cpu_registers(processor)->gpr[arg0]);
463 
 
464 
  SYS(break);
465 
  status = device_ioctl(emul->vm,
466 
                        processor,
467 
                        cia,
468 
                        device_ioctl_break,
469 
                        new_break); /*ioctl-data*/
470 
  emul_write_status(processor, 0, status);
471 
}
472 
 
473 
 
474 
#ifndef HAVE_GETPID
475 
#define do_getpid 0
476 
#else
477 
static void
478 
do_getpid(os_emul_data *emul,
479 
          unsigned call,
480 
          const int arg0,
481 
          cpu *processor,
482 
          unsigned_word cia)
483 
{
484 
  SYS(getpid);
485 
  emul_write_status(processor, (int)getpid(), 0);
486 
}
487 
#endif
488 
 
489 
#ifndef HAVE_GETUID
490 
#define do_getuid 0
491 
#else
492 
static void
493 
do_getuid(os_emul_data *emul,
494 
          unsigned call,
495 
          const int arg0,
496 
          cpu *processor,
497 
          unsigned_word cia)
498 
{
499 
  SYS(getuid);
500 
  emul_write_status(processor, (int)getuid(), 0);
501 
}
502 
#endif
503 
 
504 
#ifndef HAVE_GETEUID
505 
#define do_geteuid 0
506 
#else
507 
static void
508 
do_geteuid(os_emul_data *emul,
509 
           unsigned call,
510 
           const int arg0,
511 
           cpu *processor,
512 
           unsigned_word cia)
513 
{
514 
  SYS(geteuid);
515 
  emul_write_status(processor, (int)geteuid(), 0);
516 
}
517 
#endif
518 
 
519 
#ifndef HAVE_KILL
520 
#define do_kill 0
521 
#else
522 
static void
523 
do_kill(os_emul_data *emul,
524 
        unsigned call,
525 
        const int arg0,
526 
        cpu *processor,
527 
        unsigned_word cia)
528 
{
529 
  pid_t pid = cpu_registers(processor)->gpr[arg0];
530 
  int sig = cpu_registers(processor)->gpr[arg0+1];
531 
 
532 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
533 
    printf_filtered ("%d, %d", (int)pid, sig);
534 
 
535 
  SYS(kill);
536 
  printf_filtered("SYS_kill at 0x%lx - more to this than just being killed\n",
537 
                  (long)cia);
538 
  cpu_halt(processor, cia, was_signalled, sig);
539 
}
540 
#endif
541 
 
542 
#ifndef HAVE_DUP
543 
#define do_dup 0
544 
#else
545 
static void
546 
do_dup(os_emul_data *emul,
547 
       unsigned call,
548 
       const int arg0,
549 
       cpu *processor,
550 
       unsigned_word cia)
551 
{
552 
  int oldd = cpu_registers(processor)->gpr[arg0];
553 
  int status = dup(oldd);
554 
  int err = errno;
555 
 
556 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
557 
    printf_filtered ("%d", oldd);
558 
 
559 
  SYS(dup);
560 
  emul_write_status(processor, status, err);
561 
}
562 
#endif
563 
 
564 
#ifndef HAVE_GETEGID
565 
#define do_getegid 0
566 
#else
567 
static void
568 
do_getegid(os_emul_data *emul,
569 
           unsigned call,
570 
           const int arg0,
571 
           cpu *processor,
572 
           unsigned_word cia)
573 
{
574 
  SYS(getegid);
575 
  emul_write_status(processor, (int)getegid(), 0);
576 
}
577 
#endif
578 
 
579 
#ifndef HAVE_GETGID
580 
#define do_getgid 0
581 
#else
582 
static void
583 
do_getgid(os_emul_data *emul,
584 
          unsigned call,
585 
          const int arg0,
586 
          cpu *processor,
587 
          unsigned_word cia)
588 
{
589 
  SYS(getgid);
590 
  emul_write_status(processor, (int)getgid(), 0);
591 
}
592 
#endif
593 
 
594 
#ifndef HAVE_SIGPROCMASK
595 
#define do_sigprocmask 0
596 
#else
597 
static void
598 
do_sigprocmask(os_emul_data *emul,
599 
               unsigned call,
600 
               const int arg0,
601 
               cpu *processor,
602 
               unsigned_word cia)
603 
{
604 
  natural_word how = cpu_registers(processor)->gpr[arg0];
605 
  unsigned_word set = cpu_registers(processor)->gpr[arg0+1];
606 
  unsigned_word oset = cpu_registers(processor)->gpr[arg0+2];
607 
#ifdef SYS_sigprocmask
608 
  SYS(sigprocmask);
609 
#endif
610 
 
611 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
612 
    printf_filtered ("%ld, 0x%ld, 0x%ld", (long)how, (long)set, (long)oset);
613 
 
614 
  emul_write_status(processor, 0, 0);
615 
  cpu_registers(processor)->gpr[4] = set;
616 
}
617 
#endif
618 
 
619 
#ifndef HAVE_IOCTL
620 
#define do_ioctl 0
621 
#else
622 
static void
623 
do_ioctl(os_emul_data *emul,
624 
         unsigned call,
625 
         const int arg0,
626 
         cpu *processor,
627 
         unsigned_word cia)
628 
{
629 
  int d = cpu_registers(processor)->gpr[arg0];
630 
  unsigned request = cpu_registers(processor)->gpr[arg0+1];
631 
  unsigned_word argp_addr = cpu_registers(processor)->gpr[arg0+2];
632 
 
633 
#if !WITH_NetBSD_HOST
634 
  cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */
635 
#else
636 
  unsigned dir = request & IOC_DIRMASK;
637 
  int status;
638 
  SYS(ioctl);
639 
  /* what we haven't done */
640 
  if (dir & IOC_IN /* write into the io device */
641 
      || dir & IOC_OUT
642 
      || !(dir & IOC_VOID))
643 
    error("do_ioctl() read or write of parameter not implemented\n");
644 
  status = ioctl(d, request, NULL);
645 
  emul_write_status(processor, status, errno);
646 
#endif
647 
 
648 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
649 
    printf_filtered ("%d, 0x%x, 0x%lx", d, request, (long)argp_addr);
650 
}
651 
#endif
652 
 
653 
#ifndef HAVE_UMASK
654 
#define do_umask 0
655 
#else
656 
static void
657 
do_umask(os_emul_data *emul,
658 
         unsigned call,
659 
         const int arg0,
660 
         cpu *processor,
661 
         unsigned_word cia)
662 
{
663 
  int mask = cpu_registers(processor)->gpr[arg0];
664 
 
665 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
666 
    printf_filtered ("0%o", mask);
667 
 
668 
  SYS(umask);
669 
  emul_write_status(processor, umask(mask), 0);
670 
}
671 
#endif
672 
 
673 
#ifndef HAVE_DUP2
674 
#define do_dup2 0
675 
#else
676 
static void
677 
do_dup2(os_emul_data *emul,
678 
        unsigned call,
679 
        const int arg0,
680 
        cpu *processor,
681 
        unsigned_word cia)
682 
{
683 
  int oldd = cpu_registers(processor)->gpr[arg0];
684 
  int newd = cpu_registers(processor)->gpr[arg0+1];
685 
  int status = dup2(oldd, newd);
686 
  int err = errno;
687 
 
688 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
689 
    printf_filtered ("%d, %d", oldd, newd);
690 
 
691 
  SYS(dup2);
692 
  emul_write_status(processor, status, err);
693 
}
694 
#endif
695 
 
696 
#ifndef HAVE_FCNTL
697 
#define do_fcntl 0
698 
#else
699 
static void
700 
do_fcntl(os_emul_data *emul,
701 
         unsigned call,
702 
         const int arg0,
703 
         cpu *processor,
704 
         unsigned_word cia)
705 
{
706 
  int fd = cpu_registers(processor)->gpr[arg0];
707 
  int cmd = cpu_registers(processor)->gpr[arg0+1];
708 
  int arg = cpu_registers(processor)->gpr[arg0+2];
709 
  int status;
710 
 
711 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
712 
    printf_filtered ("%d, %d, %d", fd, cmd, arg);
713 
 
714 
  SYS(fcntl);
715 
  status = fcntl(fd, cmd, arg);
716 
  emul_write_status(processor, status, errno);
717 
}
718 
#endif
719 
 
720 
#ifndef HAVE_GETTIMEOFDAY
721 
#define do_gettimeofday 0
722 
#else
723 
static void
724 
do_gettimeofday(os_emul_data *emul,
725 
                unsigned call,
726 
                const int arg0,
727 
                cpu *processor,
728 
                unsigned_word cia)
729 
{
730 
  unsigned_word t_addr = cpu_registers(processor)->gpr[arg0];
731 
  unsigned_word tz_addr = cpu_registers(processor)->gpr[arg0+1];
732 
  struct timeval t;
733 
  struct timezone tz;
734 
  int status = gettimeofday((t_addr != 0 ? &t : NULL),
735 
                            (tz_addr != 0 ? &tz : NULL));
736 
  int err = errno;
737 
 
738 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
739 
    printf_filtered ("0x%lx, 0x%lx", (long)t_addr, (long)tz_addr);
740 
 
741 
  SYS(gettimeofday);
742 
  emul_write_status(processor, status, err);
743 
  if (status == 0) {
744 
    if (t_addr != 0)
745 
      write_timeval(t_addr, t, processor, cia);
746 
    if (tz_addr != 0)
747 
      write_timezone(tz_addr, tz, processor, cia);
748 
  }
749 
}
750 
#endif
751 
 
752 
#ifndef HAVE_GETRUSAGE
753 
#define do_getrusage 0
754 
#else
755 
static void
756 
do_getrusage(os_emul_data *emul,
757 
             unsigned call,
758 
             const int arg0,
759 
             cpu *processor,
760 
             unsigned_word cia)
761 
{
762 
  int who = cpu_registers(processor)->gpr[arg0];
763 
  unsigned_word rusage_addr = cpu_registers(processor)->gpr[arg0+1];
764 
  struct rusage rusage;
765 
  int status = getrusage(who, (rusage_addr != 0 ? &rusage : NULL));
766 
  int err = errno;
767 
 
768 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
769 
    printf_filtered ("%d, 0x%lx", who, (long)rusage_addr);
770 
 
771 
  SYS(getrusage);
772 
  emul_write_status(processor, status, err);
773 
  if (status == 0) {
774 
    if (rusage_addr != 0)
775 
      write_rusage(rusage_addr, rusage, processor, cia);
776 
  }
777 
}
778 
#endif
779 
 
780 
 
781 
#ifndef HAVE_FSTATFS
782 
#define do_fstatfs 0
783 
#else
784 
static void
785 
do_fstatfs(os_emul_data *emul,
786 
           unsigned call,
787 
           const int arg0,
788 
           cpu *processor,
789 
           unsigned_word cia)
790 
{
791 
  int fd = cpu_registers(processor)->gpr[arg0];
792 
  unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
793 
  struct statfs buf;
794 
  int status;
795 
 
796 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
797 
    printf_filtered ("%d, 0x%lx", fd, (long)buf_addr);
798 
 
799 
  SYS(fstatfs);
800 
  status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf));
801 
  emul_write_status(processor, status, errno);
802 
  if (status == 0) {
803 
    if (buf_addr != 0)
804 
      write_statfs(buf_addr, buf, processor, cia);
805 
  }
806 
}
807 
#endif
808 
 
809 
#ifndef HAVE_STAT
810 
#define do_stat 0
811 
#else
812 
static void
813 
do_stat(os_emul_data *emul,
814 
        unsigned call,
815 
        const int arg0,
816 
        cpu *processor,
817 
        unsigned_word cia)
818 
{
819 
  char path_buf[PATH_MAX];
820 
  unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
821 
  unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
822 
  char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
823 
  struct stat buf;
824 
  int status;
825 
#ifdef SYS_stat
826 
  SYS(stat);
827 
#endif
828 
  status = stat(path, &buf);
829 
  emul_write_status(processor, status, errno);
830 
  if (status == 0)
831 
    write_stat(stat_buf_addr, buf, processor, cia);
832 
}
833 
#endif
834 
 
835 
#ifndef HAVE_FSTAT
836 
#define do_fstat 0
837 
#else
838 
static void
839 
do_fstat(os_emul_data *emul,
840 
         unsigned call,
841 
         const int arg0,
842 
         cpu *processor,
843 
         unsigned_word cia)
844 
{
845 
  int fd = cpu_registers(processor)->gpr[arg0];
846 
  unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
847 
  struct stat buf;
848 
  int status;
849 
#ifdef SYS_fstat
850 
  SYS(fstat);
851 
#endif
852 
  /* Can't combine these statements, cuz fstat sets errno. */
853 
  status = fstat(fd, &buf);
854 
  emul_write_status(processor, status, errno);
855 
  write_stat(stat_buf_addr, buf, processor, cia);
856 
}
857 
#endif
858 
 
859 
#ifndef HAVE_LSTAT
860 
#define do_lstat 0
861 
#else
862 
static void
863 
do_lstat(os_emul_data *emul,
864 
         unsigned call,
865 
         const int arg0,
866 
         cpu *processor,
867 
         unsigned_word cia)
868 
{
869 
  char path_buf[PATH_MAX];
870 
  unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
871 
  char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
872 
  unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
873 
  struct stat buf;
874 
  int status;
875 
#ifdef SYS_lstat
876 
  SYS(lstat);
877 
#endif
878 
  /* Can't combine these statements, cuz lstat sets errno. */
879 
  status = lstat(path, &buf);
880 
  emul_write_status(processor, status, errno);
881 
  write_stat(stat_buf_addr, buf, processor, cia);
882 
}
883 
#endif
884 
 
885 
#ifndef HAVE_GETDIRENTRIES
886 
#define do_getdirentries 0
887 
#else
888 
static void
889 
do_getdirentries(os_emul_data *emul,
890 
                 unsigned call,
891 
                 const int arg0,
892 
                 cpu *processor,
893 
                 unsigned_word cia)
894 
{
895 
  int fd = cpu_registers(processor)->gpr[arg0];
896 
  unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
897 
  char *buf;
898 
  int nbytes = cpu_registers(processor)->gpr[arg0+2];
899 
  unsigned_word basep_addr = cpu_registers(processor)->gpr[arg0+3];
900 
  long basep;
901 
  int status;
902 
#ifdef SYS_getdirentries
903 
  SYS(getdirentries);
904 
#endif
905 
  if (buf_addr != 0 && nbytes >= 0)
906 
    buf = zalloc(nbytes);
907 
  else
908 
    buf = NULL;
909 
  status = getdirentries(fd,
910 
                         (buf_addr == 0 ? NULL : buf),
911 
                         nbytes,
912 
                         (basep_addr == 0 ? NULL : &basep));
913 
  emul_write_status(processor, status, errno);
914 
  if (basep_addr != 0)
915 
    emul_write_word(basep_addr, basep, processor, cia);
916 
  if (status > 0)
917 
    write_direntries(buf_addr, buf, status, processor, cia);
918 
  if (buf != NULL)
919 
    zfree(buf);
920 
}
921 
#endif
922 
 
923 
 
924 
static void
925 
do___syscall(os_emul_data *emul,
926 
             unsigned call,
927 
             const int arg0,
928 
             cpu *processor,
929 
             unsigned_word cia)
930 
{
931 
  SYS(__syscall);
932 
  emul_do_system_call(emul,
933 
                      emul->syscalls,
934 
                      cpu_registers(processor)->gpr[arg0],
935 
                      arg0 + 1,
936 
                      processor,
937 
                      cia);
938 
}
939 
 
940 
#ifndef HAVE_LSEEK
941 
#define do_lseek 0
942 
#else
943 
static void
944 
do_lseek(os_emul_data *emul,
945 
         unsigned call,
946 
         const int arg0,
947 
         cpu *processor,
948 
         unsigned_word cia)
949 
{
950 
  int fildes = cpu_registers(processor)->gpr[arg0];
951 
  off_t offset = emul_read_gpr64(processor, arg0+2);
952 
  int whence = cpu_registers(processor)->gpr[arg0+4];
953 
  off_t status;
954 
  SYS(lseek);
955 
  status = lseek(fildes, offset, whence);
956 
  if (status == -1)
957 
    emul_write_status(processor, -1, errno);
958 
  else {
959 
    emul_write_status(processor, 0, 0); /* success */
960 
    emul_write_gpr64(processor, 3, status);
961 
  }
962 
}
963 
#endif
964 
 
965 
static void
966 
do___sysctl(os_emul_data *emul,
967 
            unsigned call,
968 
            const int arg0,
969 
            cpu *processor,
970 
            unsigned_word cia)
971 
{
972 
  /* call the arguments by their real name */
973 
  unsigned_word name = cpu_registers(processor)->gpr[arg0];
974 
  natural_word namelen = cpu_registers(processor)->gpr[arg0+1];
975 
  unsigned_word oldp = cpu_registers(processor)->gpr[arg0+2];
976 
  unsigned_word oldlenp = cpu_registers(processor)->gpr[arg0+3];
977 
  natural_word oldlen;
978 
  natural_word mib;
979 
  natural_word int_val;
980 
  SYS(__sysctl);
981 
 
982 
  /* pluck out the management information base id */
983 
  if (namelen < 1)
984 
    error("system_call()SYS___sysctl bad name[0]\n");
985 
  mib = vm_data_map_read_word(cpu_data_map(processor),
986 
                              name,
987 
                              processor,
988 
                              cia);
989 
  name += sizeof(mib);
990 
 
991 
  /* see what to do with it ... */
992 
  switch ((int)mib) {
993 
  case 6/*CTL_HW*/:
994 
#if WITH_NetBSD_HOST && (CTL_HW != 6)
995 
#  error "CTL_HW"
996 
#endif
997 
    if (namelen < 2)
998 
      error("system_call()SYS___sysctl - CTL_HW - bad name[1]\n");
999 
    mib = vm_data_map_read_word(cpu_data_map(processor),
1000 
                                name,
1001 
                                processor,
1002 
                                cia);
1003 
    name += sizeof(mib);
1004 
    switch ((int)mib) {
1005 
    case 7/*HW_PAGESIZE*/:
1006 
#if WITH_NetBSD_HOST && (HW_PAGESIZE != 7)
1007 
#  error "HW_PAGESIZE"
1008 
#endif
1009 
      oldlen = vm_data_map_read_word(cpu_data_map(processor),
1010 
                                     oldlenp,
1011 
                                     processor,
1012 
                                     cia);
1013 
      if (sizeof(natural_word) > oldlen)
1014 
        error("system_call()sysctl - CTL_HW.HW_PAGESIZE - to small\n");
1015 
      int_val = 8192;
1016 
      oldlen = sizeof(int_val);
1017 
      emul_write_word(oldp, int_val, processor, cia);
1018 
      emul_write_word(oldlenp, oldlen, processor, cia);
1019 
      break;
1020 
    default:
1021 
      error("sysctl() CTL_HW.%d unknown\n", mib);
1022 
      break;
1023 
    }
1024 
    break;
1025 
  default:
1026 
    error("sysctl() name[0]=%d unknown\n", (int)mib);
1027 
    break;
1028 
  }
1029 
  emul_write_status(processor, 0, 0); /* always succeed */
1030 
}
1031 
 
1032 
 
1033 
 
1034 
static emul_syscall_descriptor netbsd_descriptors[] = {
1035 
  /* 0 */ { 0, "syscall" },
1036 
  /* 1 */ { do_exit, "exit" },
1037 
  /* 2 */ { 0, "fork" },
1038 
  /* 3 */ { do_read, "read" },
1039 
  /* 4 */ { do_write, "write" },
1040 
  /* 5 */ { do_open, "open" },
1041 
  /* 6 */ { do_close, "close" },
1042 
  /* 7 */ { 0, "wait4" },
1043 
  { 0, }, /* 8 is old creat */
1044 
  /* 9 */ { 0, "link" },
1045 
  /* 10 */ { 0, "unlink" },
1046 
  { 0, }, /* 11 is obsolete execv */
1047 
  /* 12 */ { 0, "chdir" },
1048 
  /* 13 */ { 0, "fchdir" },
1049 
  /* 14 */ { 0, "mknod" },
1050 
  /* 15 */ { 0, "chmod" },
1051 
  /* 16 */ { 0, "chown" },
1052 
  /* 17 */ { do_break, "break" },
1053 
  /* 18 */ { 0, "getfsstat" },
1054 
  { 0, }, /* 19 is old lseek */
1055 
  /* 20 */ { do_getpid, "getpid" },
1056 
  /* 21 */ { 0, "mount" },
1057 
  /* 22 */ { 0, "unmount" },
1058 
  /* 23 */ { 0, "setuid" },
1059 
  /* 24 */ { do_getuid, "getuid" },
1060 
  /* 25 */ { do_geteuid, "geteuid" },
1061 
  /* 26 */ { 0, "ptrace" },
1062 
  /* 27 */ { 0, "recvmsg" },
1063 
  /* 28 */ { 0, "sendmsg" },
1064 
  /* 29 */ { 0, "recvfrom" },
1065 
  /* 30 */ { 0, "accept" },
1066 
  /* 31 */ { 0, "getpeername" },
1067 
  /* 32 */ { 0, "getsockname" },
1068 
  /* 33 */ { 0, "access" },
1069 
  /* 34 */ { 0, "chflags" },
1070 
  /* 35 */ { 0, "fchflags" },
1071 
  /* 36 */ { 0, "sync" },
1072 
  /* 37 */ { do_kill, "kill" },
1073 
  { 0, }, /* 38 is old stat */
1074 
  /* 39 */ { 0, "getppid" },
1075 
  { 0, }, /* 40 is old lstat */
1076 
  /* 41 */ { do_dup, "dup" },
1077 
  /* 42 */ { 0, "pipe" },
1078 
  /* 43 */ { do_getegid, "getegid" },
1079 
  /* 44 */ { 0, "profil" },
1080 
  /* 45 */ { 0, "ktrace" },
1081 
  /* 46 */ { 0, "sigaction" },
1082 
  /* 47 */ { do_getgid, "getgid" },
1083 
  /* 48 */ { do_sigprocmask, "sigprocmask" },
1084 
  /* 49 */ { 0, "getlogin" },
1085 
  /* 50 */ { 0, "setlogin" },
1086 
  /* 51 */ { 0, "acct" },
1087 
  /* 52 */ { 0, "sigpending" },
1088 
  /* 53 */ { 0, "sigaltstack" },
1089 
  /* 54 */ { do_ioctl, "ioctl" },
1090 
  /* 55 */ { 0, "reboot" },
1091 
  /* 56 */ { 0, "revoke" },
1092 
  /* 57 */ { 0, "symlink" },
1093 
  /* 58 */ { 0, "readlink" },
1094 
  /* 59 */ { 0, "execve" },
1095 
  /* 60 */ { do_umask, "umask" },
1096 
  /* 61 */ { 0, "chroot" },
1097 
  { 0, }, /* 62 is old fstat */
1098 
  { 0, }, /* 63 is old getkerninfo */
1099 
  { 0, }, /* 64 is old getpagesize */
1100 
  /* 65 */ { 0, "msync" },
1101 
  /* 66 */ { 0, "vfork" },
1102 
  { 0, }, /* 67 is obsolete vread */
1103 
  { 0, }, /* 68 is obsolete vwrite */
1104 
  /* 69 */ { 0, "sbrk" },
1105 
  /* 70 */ { 0, "sstk" },
1106 
  { 0, }, /* 71 is old mmap */
1107 
  /* 72 */ { 0, "vadvise" },
1108 
  /* 73 */ { 0, "munmap" },
1109 
  /* 74 */ { 0, "mprotect" },
1110 
  /* 75 */ { 0, "madvise" },
1111 
  { 0, }, /* 76 is obsolete vhangup */
1112 
  { 0, }, /* 77 is obsolete vlimit */
1113 
  /* 78 */ { 0, "mincore" },
1114 
  /* 79 */ { 0, "getgroups" },
1115 
  /* 80 */ { 0, "setgroups" },
1116 
  /* 81 */ { 0, "getpgrp" },
1117 
  /* 82 */ { 0, "setpgid" },
1118 
  /* 83 */ { 0, "setitimer" },
1119 
  { 0, }, /* 84 is old wait */
1120 
  /* 85 */ { 0, "swapon" },
1121 
  /* 86 */ { 0, "getitimer" },
1122 
  { 0, }, /* 87 is old gethostname */
1123 
  { 0, }, /* 88 is old sethostname */
1124 
  { 0, }, /* 89 is old getdtablesize */
1125 
  { do_dup2, "dup2" },
1126 
  { 0, }, /* 91 */
1127 
  /* 92 */ { do_fcntl, "fcntl" },
1128 
  /* 93 */ { 0, "select" },
1129 
  { 0, }, /* 94 */
1130 
  /* 95 */ { 0, "fsync" },
1131 
  /* 96 */ { 0, "setpriority" },
1132 
  /* 97 */ { 0, "socket" },
1133 
  /* 98 */ { 0, "connect" },
1134 
  { 0, }, /* 99 is old accept */
1135 
  /* 100 */ { 0, "getpriority" },
1136 
  { 0, }, /* 101 is old send */
1137 
  { 0, }, /* 102 is old recv */
1138 
  /* 103 */ { 0, "sigreturn" },
1139 
  /* 104 */ { 0, "bind" },
1140 
  /* 105 */ { 0, "setsockopt" },
1141 
  /* 106 */ { 0, "listen" },
1142 
  { 0, }, /* 107 is obsolete vtimes */
1143 
  { 0, }, /* 108 is old sigvec */
1144 
  { 0, }, /* 109 is old sigblock */
1145 
  { 0, }, /* 110 is old sigsetmask */
1146 
  /* 111 */ { 0, "sigsuspend" },
1147 
  { 0, }, /* 112 is old sigstack */
1148 
  { 0, }, /* 113 is old recvmsg */
1149 
  { 0, }, /* 114 is old sendmsg */
1150 
  /* - is obsolete vtrace */ { 0, "vtrace        115" },
1151 
  /* 116 */ { do_gettimeofday, "gettimeofday" },
1152 
  /* 117 */ { do_getrusage, "getrusage" },
1153 
  /* 118 */ { 0, "getsockopt" },
1154 
  /* 119 */ { 0, "resuba" },
1155 
  /* 120 */ { 0, "readv" },
1156 
  /* 121 */ { 0, "writev" },
1157 
  /* 122 */ { 0, "settimeofday" },
1158 
  /* 123 */ { 0, "fchown" },
1159 
  /* 124 */ { 0, "fchmod" },
1160 
  { 0, }, /* 125 is old recvfrom */
1161 
  { 0, }, /* 126 is old setreuid */
1162 
  { 0, }, /* 127 is old setregid */
1163 
  /* 128 */ { 0, "rename" },
1164 
  { 0, }, /* 129 is old truncate */
1165 
  { 0, }, /* 130 is old ftruncate */
1166 
  /* 131 */ { 0, "flock" },
1167 
  /* 132 */ { 0, "mkfifo" },
1168 
  /* 133 */ { 0, "sendto" },
1169 
  /* 134 */ { 0, "shutdown" },
1170 
  /* 135 */ { 0, "socketpair" },
1171 
  /* 136 */ { 0, "mkdir" },
1172 
  /* 137 */ { 0, "rmdir" },
1173 
  /* 138 */ { 0, "utimes" },
1174 
  { 0, }, /* 139 is obsolete 4.2 sigreturn */
1175 
  /* 140 */ { 0, "adjtime" },
1176 
  { 0, }, /* 141 is old getpeername */
1177 
  { 0, }, /* 142 is old gethostid */
1178 
  { 0, }, /* 143 is old sethostid */
1179 
  { 0, }, /* 144 is old getrlimit */
1180 
  { 0, }, /* 145 is old setrlimit */
1181 
  { 0, }, /* 146 is old killpg */
1182 
  /* 147 */ { 0, "setsid" },
1183 
  /* 148 */ { 0, "quotactl" },
1184 
  { 0, }, /* 149 is old quota */
1185 
  { 0, }, /* 150 is old getsockname */
1186 
  { 0, }, /* 151 */
1187 
  { 0, }, /* 152 */
1188 
  { 0, }, /* 153 */
1189 
  { 0, }, /* 154 */
1190 
  /* 155 */ { 0, "nfssvc" },
1191 
  { 0, }, /* 156 is old getdirentries */
1192 
  /* 157 */ { 0, "statfs" },
1193 
  /* 158 */ { do_fstatfs, "fstatfs" },
1194 
  { 0, }, /* 159 */
1195 
  { 0, }, /* 160 */
1196 
  /* 161 */ { 0, "getfh" },
1197 
  { 0, }, /* 162 is old getdomainname */
1198 
  { 0, }, /* 163 is old setdomainname */
1199 
  { 0, }, /* 164 is old uname */
1200 
  /* 165 */ { 0, "sysarch" },
1201 
  { 0, }, /* 166 */
1202 
  { 0, }, /* 167 */
1203 
  { 0, }, /* 168 */
1204 
  /* 169 */ { 0, "semsys" },
1205 
  /* 170 */ { 0, "msgsys" },
1206 
  /* 171 */ { 0, "shmsys" },
1207 
  { 0, }, /* 172 */
1208 
  { 0, }, /* 173 */
1209 
  { 0, }, /* 174 */
1210 
  { 0, }, /* 175 */
1211 
  { 0, }, /* 176 */
1212 
  { 0, }, /* 177 */
1213 
  { 0, }, /* 178 */
1214 
  { 0, }, /* 179 */
1215 
  { 0, }, /* 180 */
1216 
  /* 181 */ { 0, "setgid" },
1217 
  /* 182 */ { 0, "setegid" },
1218 
  /* 183 */ { 0, "seteuid" },
1219 
  /* 184 */ { 0, "lfs_bmapv" },
1220 
  /* 185 */ { 0, "lfs_markv" },
1221 
  /* 186 */ { 0, "lfs_segclean" },
1222 
  /* 187 */ { 0, "lfs_segwait" },
1223 
  /* 188 */ { do_stat, "stat" },
1224 
  /* 189 */ { do_fstat, "fstat" },
1225 
  /* 190 */ { do_lstat, "lstat" },
1226 
  /* 191 */ { 0, "pathconf" },
1227 
  /* 192 */ { 0, "fpathconf" },
1228 
  { 0, }, /* 193 */
1229 
  /* 194 */ { 0, "getrlimit" },
1230 
  /* 195 */ { 0, "setrlimit" },
1231 
  /* 196 */ { do_getdirentries, "getdirentries" },
1232 
  /* 197 */ { 0, "mmap" },
1233 
  /* 198 */ { do___syscall, "__syscall" },
1234 
  /* 199 */ { do_lseek, "lseek" },
1235 
  /* 200 */ { 0, "truncate" },
1236 
  /* 201 */ { 0, "ftruncate" },
1237 
  /* 202 */ { do___sysctl, "__sysctl" },
1238 
  /* 203 */ { 0, "mlock" },
1239 
  /* 204 */ { 0, "munlock" },
1240 
};
1241 
 
1242 
static char *(netbsd_error_names[]) = {
1243 
  /* 0 */ "ESUCCESS",
1244 
  /* 1 */ "EPERM",
1245 
  /* 2 */ "ENOENT",
1246 
  /* 3 */ "ESRCH",
1247 
  /* 4 */ "EINTR",
1248 
  /* 5 */ "EIO",
1249 
  /* 6 */ "ENXIO",
1250 
  /* 7 */ "E2BIG",
1251 
  /* 8 */ "ENOEXEC",
1252 
  /* 9 */ "EBADF",
1253 
  /* 10 */ "ECHILD",
1254 
  /* 11 */ "EDEADLK",
1255 
  /* 12 */ "ENOMEM",
1256 
  /* 13 */ "EACCES",
1257 
  /* 14 */ "EFAULT",
1258 
  /* 15 */ "ENOTBLK",
1259 
  /* 16 */ "EBUSY",
1260 
  /* 17 */ "EEXIST",
1261 
  /* 18 */ "EXDEV",
1262 
  /* 19 */ "ENODEV",
1263 
  /* 20 */ "ENOTDIR",
1264 
  /* 21 */ "EISDIR",
1265 
  /* 22 */ "EINVAL",
1266 
  /* 23 */ "ENFILE",
1267 
  /* 24 */ "EMFILE",
1268 
  /* 25 */ "ENOTTY",
1269 
  /* 26 */ "ETXTBSY",
1270 
  /* 27 */ "EFBIG",
1271 
  /* 28 */ "ENOSPC",
1272 
  /* 29 */ "ESPIPE",
1273 
  /* 30 */ "EROFS",
1274 
  /* 31 */ "EMLINK",
1275 
  /* 32 */ "EPIPE",
1276 
  /* 33 */ "EDOM",
1277 
  /* 34 */ "ERANGE",
1278 
  /* 35 */ "EAGAIN",
1279 
  /* 36 */ "EINPROGRESS",
1280 
  /* 37 */ "EALREADY",
1281 
  /* 38 */ "ENOTSOCK",
1282 
  /* 39 */ "EDESTADDRREQ",
1283 
  /* 40 */ "EMSGSIZE",
1284 
  /* 41 */ "EPROTOTYPE",
1285 
  /* 42 */ "ENOPROTOOPT",
1286 
  /* 43 */ "EPROTONOSUPPORT",
1287 
  /* 44 */ "ESOCKTNOSUPPORT",
1288 
  /* 45 */ "EOPNOTSUPP",
1289 
  /* 46 */ "EPFNOSUPPORT",
1290 
  /* 47 */ "EAFNOSUPPORT",
1291 
  /* 48 */ "EADDRINUSE",
1292 
  /* 49 */ "EADDRNOTAVAIL",
1293 
  /* 50 */ "ENETDOWN",
1294 
  /* 51 */ "ENETUNREACH",
1295 
  /* 52 */ "ENETRESET",
1296 
  /* 53 */ "ECONNABORTED",
1297 
  /* 54 */ "ECONNRESET",
1298 
  /* 55 */ "ENOBUFS",
1299 
  /* 56 */ "EISCONN",
1300 
  /* 57 */ "ENOTCONN",
1301 
  /* 58 */ "ESHUTDOWN",
1302 
  /* 59 */ "ETOOMANYREFS",
1303 
  /* 60 */ "ETIMEDOUT",
1304 
  /* 61 */ "ECONNREFUSED",
1305 
  /* 62 */ "ELOOP",
1306 
  /* 63 */ "ENAMETOOLONG",
1307 
  /* 64 */ "EHOSTDOWN",
1308 
  /* 65 */ "EHOSTUNREACH",
1309 
  /* 66 */ "ENOTEMPTY",
1310 
  /* 67 */ "EPROCLIM",
1311 
  /* 68 */ "EUSERS",
1312 
  /* 69 */ "EDQUOT",
1313 
  /* 70 */ "ESTALE",
1314 
  /* 71 */ "EREMOTE",
1315 
  /* 72 */ "EBADRPC",
1316 
  /* 73 */ "ERPCMISMATCH",
1317 
  /* 74 */ "EPROGUNAVAIL",
1318 
  /* 75 */ "EPROGMISMATCH",
1319 
  /* 76 */ "EPROCUNAVAIL",
1320 
  /* 77 */ "ENOLCK",
1321 
  /* 78 */ "ENOSYS",
1322 
  /* 79 */ "EFTYPE",
1323 
  /* 80 */ "EAUTH",
1324 
  /* 81 */ "ENEEDAUTH",
1325 
  /* 81 */ "ELAST",
1326 
};
1327 
 
1328 
static char *(netbsd_signal_names[]) = {
1329 
  /* 0 */ 0,
1330 
  /* 1 */ "SIGHUP",
1331 
  /* 2 */ "SIGINT",
1332 
  /* 3 */ "SIGQUIT",
1333 
  /* 4 */ "SIGILL",
1334 
  /* 5 */ "SIGTRAP",
1335 
  /* 6 */ "SIGABRT",
1336 
  /* 7 */ "SIGEMT",
1337 
  /* 8 */ "SIGFPE",
1338 
  /* 9 */ "SIGKILL",
1339 
  /* 10 */ "SIGBUS",
1340 
  /* 11 */ "SIGSEGV",
1341 
  /* 12 */ "SIGSYS",
1342 
  /* 13 */ "SIGPIPE",
1343 
  /* 14 */ "SIGALRM",
1344 
  /* 15 */ "SIGTERM",
1345 
  /* 16 */ "SIGURG",
1346 
  /* 17 */ "SIGSTOP",
1347 
  /* 18 */ "SIGTSTP",
1348 
  /* 19 */ "SIGCONT",
1349 
  /* 20 */ "SIGCHLD",
1350 
  /* 21 */ "SIGTTIN",
1351 
  /* 22 */ "SIGTTOU",
1352 
  /* 23 */ "SIGIO",
1353 
  /* 24 */ "SIGXCPU",
1354 
  /* 25 */ "SIGXFSZ",
1355 
  /* 26 */ "SIGVTALRM",
1356 
  /* 27 */ "SIGPROF",
1357 
  /* 28 */ "SIGWINCH",
1358 
  /* 29 */ "SIGINFO",
1359 
  /* 30 */ "SIGUSR1",
1360 
  /* 31 */ "SIGUSR2",
1361 
};
1362 
 
1363 
static emul_syscall emul_netbsd_syscalls = {
1364 
  netbsd_descriptors,
1365 
  sizeof(netbsd_descriptors) / sizeof(netbsd_descriptors[0]),
1366 
  netbsd_error_names,
1367 
  sizeof(netbsd_error_names) / sizeof(netbsd_error_names[0]),
1368 
  netbsd_signal_names,
1369 
  sizeof(netbsd_signal_names) / sizeof(netbsd_signal_names[0]),
1370 
};
1371 
 
1372 
 
1373 
/* NetBSD's os_emul interface, most are just passed on to the generic
1374 
   syscall stuff */
1375 
 
1376 
static os_emul_data *
1377 
emul_netbsd_create(device *root,
1378 
                   bfd *image,
1379 
                   const char *name)
1380 
{
1381 
  unsigned_word top_of_stack;
1382 
  unsigned stack_size;
1383 
  int elf_binary;
1384 
  os_emul_data *bsd_data;
1385 
  device *vm;
1386 
  char *filename;
1387 
 
1388 
  /* check that this emulation is really for us */
1389 
  if (name != NULL && strcmp(name, "netbsd") != 0)
1390 
    return NULL;
1391 
  if (image == NULL)
1392 
    return NULL;
1393 
 
1394 
 
1395 
  /* merge any emulation specific entries into the device tree */
1396 
 
1397 
  /* establish a few defaults */
1398 
  if (image->xvec->flavour == bfd_target_elf_flavour) {
1399 
    elf_binary = 1;
1400 
    top_of_stack = 0xe0000000;
1401 
    stack_size =   0x00100000;
1402 
  }
1403 
  else {
1404 
    elf_binary = 0;
1405 
    top_of_stack = 0x20000000;
1406 
    stack_size =   0x00100000;
1407 
  }
1408 
 
1409 
  /* options */
1410 
  emul_add_tree_options(root, image, "netbsd",
1411 
                        (WITH_ENVIRONMENT == USER_ENVIRONMENT
1412 
                         ? "user" : "virtual"),
1413 
 
1414 
 
1415 
  /* virtual memory - handles growth of stack/heap */
1416 
  vm = tree_parse(root, "/openprom/vm");
1417 
  tree_parse(vm, "./stack-base 0x%lx",
1418 
             (unsigned long)(top_of_stack - stack_size));
1419 
  tree_parse(vm, "./nr-bytes 0x%x", stack_size);
1420 
 
1421 
  filename = tree_quote_property (bfd_get_filename(image));
1422 
  tree_parse(root, "/openprom/vm/map-binary/file-name %s",
1423 
             filename);
1424 
  free (filename);
1425 
 
1426 
  /* finish the init */
1427 
  tree_parse(root, "/openprom/init/register/pc 0x%lx",
1428 
             (unsigned long)bfd_get_start_address(image));
1429 
  tree_parse(root, "/openprom/init/register/sp 0x%lx",
1430 
             (unsigned long)top_of_stack);
1431 
  tree_parse(root, "/openprom/init/register/msr 0x%x",
1432 
             ((tree_find_boolean_property(root, "/options/little-endian?")
1433 
               ? msr_little_endian_mode
1434 
               : 0)
1435 
              | (tree_find_boolean_property(root, "/openprom/options/floating-point?")
1436 
                 ? (msr_floating_point_available
1437 
                    | msr_floating_point_exception_mode_0
1438 
                    | msr_floating_point_exception_mode_1)
1439 
                 : 0)));
1440 
  tree_parse(root, "/openprom/init/stack/stack-type %s",
1441 
             (elf_binary ? "ppc-elf" : "ppc-xcoff"));
1442 
 
1443 
  /* finally our emulation data */
1444 
  bsd_data = ZALLOC(os_emul_data);
1445 
  bsd_data->vm = vm;
1446 
  bsd_data->syscalls = &emul_netbsd_syscalls;
1447 
  return bsd_data;
1448 
}
1449 
 
1450 
static void
1451 
emul_netbsd_init(os_emul_data *emul_data,
1452 
                 int nr_cpus)
1453 
{
1454 
  /* nothing yet */
1455 
}
1456 
 
1457 
static void
1458 
emul_netbsd_system_call(cpu *processor,
1459 
                        unsigned_word cia,
1460 
                        os_emul_data *emul_data)
1461 
{
1462 
  emul_do_system_call(emul_data,
1463 
                      emul_data->syscalls,
1464 
                      cpu_registers(processor)->gpr[0],
1465 
                      3, /*r3 contains arg0*/
1466 
                      processor,
1467 
                      cia);
1468 
}
1469 
 
1470 
const os_emul emul_netbsd = {
1471 
  "netbsd",
1472 
  emul_netbsd_create,
1473 
  emul_netbsd_init,
1474 
  emul_netbsd_system_call,
1475 
  0, /*instruction_call*/
1476 
 
1477 
};
1478 
 
1479 
#endif  /* _EMUL_NETBSD_C_ */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.