gdb/nindy-share/block_io.h

   1 /******************************************************************
   2         Copyright 1990, 1992 Free Software Foundation, Inc.
   3
   4         This code was donated by Intel Corp.
   5
   6    Intel hereby grants you permission to copy, modify, and
   7    distribute this software and its documentation.  Intel grants
   8    this permission provided that the above copyright notice
   9    appears in all copies and that both the copyright notice and
  10    this permission notice appear in supporting documentation.  In
  11    addition, Intel grants this permission provided that you
  12    prominently mark as not part of the original any modifications
  13    made to this software or documentation, and that the name of
  14    Intel Corporation not be used in advertising or publicity
  15    pertaining to distribution of the software or the documentation
  16    without specific, written prior permission.
  17
  18    Intel Corporation does not warrant, guarantee or make any
  19    representations regarding the use of, or the results of the use
  20    of, the software and documentation in terms of correctness,
  21    accuracy, reliability, currentness, or otherwise; and you rely
  22    on the software, documentation and results solely at your own
  23    risk.                                                          */
  24 /******************************************************************/
  25
  26 /*****************************************************************************
  27  * Structures and definitions supporting NINDY requests for services by a
  28  * remote host.  Used by NINDY monitor, library libnin, comm960, gdb960,
  29  * etc.  Also contains some defines for NINDY console I/O requests.
  30  *****************************************************************************/
  31
  32 /* the following four are hardware dependent */
  33 #define BIT_16          short
  34 #define BIT_32          int
  35 #define UBIT_16         unsigned short
  36 #define UBIT_32         unsigned int
  37
  38 /* Service request numbers -- these are the services that can be asked of the
  39  * host.
  40  */
  41 #define BS_ACCESS       0x10
  42 #define BS_CLOSE        0x20
  43 #define BS_CREAT        0x30
  44 #define BS_SEEK         0x40
  45 #define BS_OPEN         0x50
  46 #define BS_READ         0x60
  47 #define BS_STAT         0x70
  48 #define BS_SYSTEMD      0x80
  49 #define BS_TIME         0x90
  50 #define BS_UNMASK       0xa0
  51 #define BS_UNLINK       0xb0
  52 #define BS_WRITE        0xc0
  53
  54
  55 /* Maximum number of arguments to any of the above service requests
  56  * (in addition to the request number).
  57  */
  58 #define MAX_SRQ_ARGS    3
  59
  60 /* Number of bytes of data that can be read or written by a single I/O request
  61  */
  62 #define BUFSIZE         1024
  63
  64 /* NINDY console I/O requests:  CO sends a single character to stdout,
  65  * CI reads one.
  66  */
  67 #define CI              0
  68 #define CO              1