include/PR/mbi.h

   1 #ifndef _MBI_H_
   2 #define _MBI_H_
   3
   4 #include "platform_info.h"
   5
   6 /**************************************************************************
   7  *                                                                        *
   8  *               Copyright (C) 1994, Silicon Graphics, Inc.               *
   9  *                                                                        *
  10  *  These coded instructions, statements, and computer programs  contain  *
  11  *  unpublished  proprietary  information of Silicon Graphics, Inc., and  *
  12  *  are protected by Federal copyright law.  They  may  not be disclosed  *
  13  *  to  third  parties  or copied or duplicated in any form, in whole or  *
  14  *  in part, without the prior written consent of Silicon Graphics, Inc.  *
  15  *                                                                        *
  16  **************************************************************************/
  17
  18 /**************************************************************************
  19  *
  20  *  $Revision: 1.136 $
  21  *  $Date: 1999/01/05 13:04:00 $
  22  *  $Source: /hosts/gate3/exdisk2/cvs/N64OS/Master/cvsmdev2/PR/include/mbi.h,v $
  23  *
  24  **************************************************************************/
  25
  26 /*
  27  * Header file for the Media Binary Interface
  28  *
  29  * NOTE: This file is included by the RSP microcode, so any C-specific
  30  * constructs must be bracketed by #ifdef _LANGUAGE_C
  31  *
  32  */
  33
  34
  35 /*
  36  * the SHIFT macros are used to build display list commands, inserting
  37  * bit-fields into a 32-bit word. They take a value, a shift amount,
  38  * and a width.
  39  *
  40  * For the left shift, the lower bits of the value are masked,
  41  * then shifted left.
  42  *
  43  * For the right shift, the value is shifted right, then the lower bits
  44  * are masked.
  45  *
  46  * (NOTE: _SHIFTL(v, 0, 32) won't work, just use an assignment)
  47  *
  48  */
  49 #define _SHIFTL(v, s, w)        \
  50     ((unsigned int) (((unsigned int)(v) & ((0x01 << (w)) - 1)) << (s)))
  51 #define _SHIFTR(v, s, w)        \
  52     ((unsigned int)(((unsigned int)(v) >> (s)) & ((0x01 << (w)) - 1)))
  53
  54 #define _SHIFT _SHIFTL  /* old, for compatibility only */
  55
  56 #define G_ON    (1)
  57 #define G_OFF   (0)
  58
  59 /**************************************************************************
  60  *
  61  * Graphics Binary Interface
  62  *
  63  **************************************************************************/
  64
  65 #include <PR/gbi.h>
  66
  67 /**************************************************************************
  68  *
  69  * Audio Binary Interface
  70  *
  71  **************************************************************************/
  72
  73 #include <PR/abi.h>
  74
  75 /**************************************************************************
  76  *
  77  * Task list
  78  *
  79  **************************************************************************/
  80
  81 #define M_GFXTASK       1
  82 #define M_AUDTASK       2
  83 #define M_VIDTASK       3
  84 #define M_HVQTASK       6
  85 #define M_HVQMTASK      7
  86
  87 /**************************************************************************
  88  *
  89  * Segment macros and definitions
  90  *
  91  **************************************************************************/
  92
  93 #define NUM_SEGMENTS            (16)
  94 #define SEGMENT_OFFSET(a)       ((unsigned int)(a) & 0x00ffffff)
  95 #define SEGMENT_NUMBER(a)       (((unsigned int)(a) << 4) >> 28)
  96 #define SEGMENT_ADDR(num, off)  (((num) << 24) + (off))
  97
  98 #ifndef NULL
  99 #define NULL 0
 100 #endif
 101
 102 #endif /* !_MBI_H_ */