include/minix/sys_config.h

   1 #ifndef _MINIX_SYS_CONFIG_H
   2 #define _MINIX_SYS_CONFIG_H 1
   3
   4 /*===========================================================================*
   5  *              This section contains user-settable parameters               *
   6  *===========================================================================*/
   7 #define _MINIX_MACHINE       _MACHINE_IBM_PC
   8
   9 #define _MACHINE_IBM_PC             1   /* any  8088 or 80x86-based system */
  10 #define _MACHINE_SUN_4             40   /* any Sun SPARC-based system */
  11 #define _MACHINE_SUN_4_60          40   /* Sun-4/60 (aka SparcStation 1 or Campus) */
  12 #define _MACHINE_ATARI             60   /* ATARI ST/STe/TT (68000/68030) */
  13 #define _MACHINE_MACINTOSH         62   /* Apple Macintosh (68000) */
  14
  15 /* Word size in bytes (a constant equal to sizeof(int)). */
  16 #if __ACK__ || __GNUC__
  17 #define _WORD_SIZE      _EM_WSIZE
  18 #define _PTR_SIZE       _EM_WSIZE
  19 #endif
  20
  21 #define _NR_PROCS       100
  22 #define _NR_SYS_PROCS   32
  23 #define _NR_HOLES (2*_NR_PROCS+4)  /* No. of memory holes maintained by PM */
  24
  25 /* Set the CHIP type based on the machine selected. The symbol CHIP is actually
  26  * indicative of more than just the CPU.  For example, machines for which
  27  * CHIP == INTEL are expected to have 8259A interrrupt controllers and the
  28  * other properties of IBM PC/XT/AT/386 types machines in general. */
  29 #define _CHIP_INTEL             1       /* CHIP type for PC, XT, AT, 386 and clones */
  30 #define _CHIP_M68000            2       /* CHIP type for Atari, Amiga, Macintosh    */
  31 #define _CHIP_SPARC             3       /* CHIP type for SUN-4 (e.g. SPARCstation)  */
  32
  33 /* Set the FP_FORMAT type based on the machine selected, either hw or sw    */
  34 #define _FP_NONE                  0     /* no floating point support                */
  35 #define _FP_IEEE                  1     /* conform IEEE floating point standard     */
  36
  37 #if (_MINIX_MACHINE == _MACHINE_IBM_PC)
  38 #define _MINIX_CHIP          _CHIP_INTEL
  39 #endif
  40
  41 #if (_MINIX_MACHINE == _MACHINE_ATARI) || (_MINIX_MACHINE == _MACHINE_MACINTOSH)
  42 #define _MINIX_CHIP         _CHIP_M68000
  43 #endif
  44
  45 #if (_MINIX_MACHINE == _MACHINE_SUN_4) || (_MINIX_MACHINE == _MACHINE_SUN_4_60)
  46 #define _MINIX_CHIP          _CHIP_SPARC
  47 #define _MINIX_FP_FORMAT   _FP_IEEE
  48 #endif
  49
  50 #if (_MINIX_MACHINE == _MACHINE_ATARI) || (_MINIX_MACHINE == _MACHINE_SUN_4)
  51 #define _ASKDEV            1    /* ask for boot device */
  52 #define _FASTLOAD          1    /* use multiple block transfers to init ram */
  53 #endif
  54
  55 #ifndef _MINIX_FP_FORMAT
  56 #define _MINIX_FP_FORMAT   _FP_NONE
  57 #endif
  58
  59 #ifndef _MINIX_MACHINE
  60 error "In <minix/sys_config.h> please define _MINIX_MACHINE"
  61 #endif
  62
  63 #ifndef _MINIX_CHIP
  64 error "In <minix/sys_config.h> please define _MINIX_MACHINE to have a legal value"
  65 #endif
  66
  67 #if (_MINIX_MACHINE == 0)
  68 error "_MINIX_MACHINE has incorrect value (0)"
  69 #endif
  70
  71 /* Kernel debug checks */
  72 #define DEBUG_LOCK_CHECK 1      /* Interrupt Lock/unlock sanity checking. */
  73
  74 #endif /* _MINIX_SYS_CONFIG_H */