compilers/linux86-0.16.17/elksemu/minix.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <unistd.h>
   5 #include <fcntl.h>
   6 #include <sys/stat.h>
   7 #include <sys/vm86.h>
   8 #include <sys/times.h>
   9 #include <utime.h>
  10 #include <termios.h>
  11 #include <time.h>
  12 #include <signal.h>
  13 #include <errno.h>
  14 #include <sys/types.h>
  15 #include <sys/resource.h>
  16 #include <sys/wait.h>
  17 #include <sys/ioctl.h>
  18 #include <dirent.h>
  19 #include "elks.h"
  20
  21 #ifdef DEBUG
  22 #define dbprintf(x) db_printf x
  23 #else
  24 #define dbprintf(x)
  25 #endif
  26
  27 static char * minix_names[] = {
  28    "0", "EXIT", "FORK", "READ", "WRITE", "OPEN", "CLOSE", "WAIT",
  29    "CREAT", "LINK", "UNLINK", "WAITPID", "CHDIR", "TIME", "MKNOD",
  30    "CHMOD", "CHOWN", "BRK", "STAT", "LSEEK", "GETPID", "MOUNT",
  31    "UMOUNT", "SETUID", "GETUID", "STIME", "PTRACE", "ALARM", "FSTAT",
  32    "PAUSE", "UTIME", "31", "32", "ACCESS", "34", "35", "SYNC", "KILL",
  33    "RENAME", "MKDIR", "RMDIR", "DUP", "PIPE", "TIMES", "44", "45",
  34    "SETGID", "GETGID", "SIGNAL", "49", "50", "51", "52", "53", "IOCTL",
  35    "FCNTL", "56", "57", "58", "EXEC", "UMASK", "CHROOT", "SETSID",
  36    "GETPGRP", "KSIG", "UNPAUSE", "66", "REVIVE", "TASK_REPLY", "69",
  37    "70", "SIGACTION", "SIGSUSPEND", "SIGPENDING", "SIGPROCMASK",
  38    "SIGRETURN", "REBOOT", "77"
  39
  40    };
  41
  42 void
  43 minix_syscall()
  44 {
  45    static char *nm[4] = {"?", "send", "receive", "sendrec"};
  46    char   tsks[10], syss[10];
  47
  48    int   sr  = (unsigned short) elks_cpu.regs.ecx;
  49    int   tsk = (unsigned short) elks_cpu.regs.eax;
  50    int   sys = ELKS_PEEK(short, (unsigned short) elks_cpu.regs.ebx + 2);
  51
  52    if (sr < 0 || sr > 3) sr = 0;
  53    switch(tsk)
  54    {
  55    case 0:  strcpy(tsks, "MM"); break;
  56    case 1:  strcpy(tsks, "FS"); break;
  57    default: sprintf(tsks, "task(%d)", tsk);
  58    }
  59    if( sys > 0 && sys < 77 )
  60       strcpy(syss, minix_names[sys]);
  61    else
  62       sprintf(syss, "%d", sys);
  63
  64    fprintf(stderr, "Minix syscall %s(%s,&{%d,%s,...})\n", nm[sr], tsks, getpid(), syss);
  65    exit(99);
  66 }