/* This file contains the table used to map system call numbers onto the * routines that perform them. */ #include "../h/const.h" #include "../h/type.h" #include "../h/stat.h" #include "const.h" #include "type.h" #include "dev.h" #undef EXTERN #define EXTERN #include "../h/callnr.h" #include "../h/com.h" #include "../h/error.h" #include "buf.h" #include "file.h" #include "fproc.h" #include "glo.h" #include "inode.h" #include "super.h" extern do_access(), do_chdir(), do_chmod(), do_chown(), do_chroot(); extern do_close(), do_creat(), do_dup(), do_exit(), do_fork(), do_fstat(); extern do_ioctl(), do_link(), do_lseek(), do_mknod(), do_mount(), do_open(); extern do_pipe(), do_read(), do_revive(), do_set(), do_stat(), do_stime(); extern do_sync(), do_time(), do_tims(), do_umask(), do_umount(), do_unlink(); extern do_unpause(), do_utime(), do_write(), no_call(), no_sys(); extern char fstack[]; char *stackpt = &fstack[FS_STACK_BYTES]; /* initial stack pointer */ int (*call_vector[NCALLS])() = { no_sys, /* 0 = unused */ do_exit, /* 1 = exit */ do_fork, /* 2 = fork */ do_read, /* 3 = read */ do_write, /* 4 = write */ do_open, /* 5 = open */ do_close, /* 6 = close */ no_sys, /* 7 = wait */ do_creat, /* 8 = creat */ do_link, /* 9 = link */ do_unlink, /* 10 = unlink */ no_sys, /* 11 = exec */ do_chdir, /* 12 = chdir */ do_time, /* 13 = time */ do_mknod, /* 14 = mknod */ do_chmod, /* 15 = chmod */ do_chown, /* 16 = chown */ no_sys, /* 17 = break */ do_stat, /* 18 = stat */ do_lseek, /* 19 = lseek */ no_sys, /* 20 = getpid */ do_mount, /* 21 = mount */ do_umount, /* 22 = umount */ do_set, /* 23 = setuid */ no_sys, /* 24 = getuid */ do_stime, /* 25 = stime */ no_sys, /* 26 = (ptrace)*/ no_sys, /* 27 = alarm */ do_fstat, /* 28 = fstat */ no_sys, /* 29 = pause */ do_utime, /* 30 = utime */ no_sys, /* 31 = (stty) */ no_sys, /* 32 = (gtty) */ do_access, /* 33 = access */ no_sys, /* 34 = (nice) */ no_sys, /* 35 = (ftime) */ do_sync, /* 36 = sync */ no_sys, /* 37 = kill */ no_sys, /* 38 = unused */ no_sys, /* 39 = unused */ no_sys, /* 40 = unused */ do_dup, /* 41 = dup */ do_pipe, /* 42 = pipe */ do_tims, /* 43 = times */ no_sys, /* 44 = (prof) */ no_sys, /* 45 = unused */ do_set, /* 46 = setgid */ no_sys, /* 47 = getgid */ no_sys, /* 48 = sig */ no_sys, /* 49 = unused */ no_sys, /* 50 = unused */ no_sys, /* 51 = (acct) */ no_sys, /* 52 = (phys) */ no_sys, /* 53 = (lock) */ do_ioctl, /* 54 = ioctl */ no_sys, /* 55 = unused */ no_sys, /* 56 = (mpx) */ no_sys, /* 57 = unused */ no_sys, /* 58 = unused */ no_sys, /* 59 = exece */ do_umask, /* 60 = umask */ do_chroot, /* 61 = chroot */ no_sys, /* 62 = unused */ no_sys, /* 63 = unused */ no_sys, /* 64 = KSIG: signals originating in the kernel */ do_unpause, /* 65 = UNPAUSE */ no_sys, /* 66 = BRK2 (used to tell MM size of FS,INIT) */ do_revive, /* 67 = REVIVE */ no_sys /* 68 = TASK_REPLY */ }; extern rw_dev(), rw_dev2(); /* The order of the entries here determines the mapping between major device * numbers and tasks. The first entry (major device 0) is not used. The * next entry is major device 1, etc. Character and block devices can be * intermixed at random. If this ordering is changed, BOOT_DEV and ROOT_DEV * must be changed to correspond to the new values. */ struct dmap dmap[] = { /* Open Read/Write Close Task # Device File ---- ---------- ----- ------- ------ ---- */ 0, 0, 0, 0, /* 0 = not used */ no_call, rw_dev, no_call, MEM, /* 1 = /dev/mem */ no_call, rw_dev, no_call, FLOPPY, /* 2 = /dev/fd0 */ no_call, rw_dev, no_call, WINCHESTER, /* 3 = /dev/hd0 */ no_call, rw_dev, no_call, TTY, /* 4 = /dev/tty0 */ no_call, rw_dev2, no_call, TTY, /* 5 = /dev/tty */ no_call, rw_dev, no_call, PRINTER /* 6 = /dev/lp */ }; int max_major = sizeof(dmap)/sizeof(struct dmap);