sys/arch/arm/include/arm32/katelib.h

   1 /*      $NetBSD: katelib.h,v 1.2 2001/05/30 00:16:36 bjh21 Exp $        */
   2
   3 /*
   4  * Copyright (c) 1994-1996 Mark Brinicombe.
   5  * Copyright (c) 1994 Brini.
   6  * All rights reserved.
   7  *
   8  * This code is derived from software written for Brini by Mark Brinicombe
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by Brini.
  21  * 4. The name of the company nor the name of the author may be used to
  22  *    endorse or promote products derived from this software without specific
  23  *    prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
  26  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  28  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  *
  37  * RiscBSD kernel project
  38  *
  39  * katelib.h
  40  *
  41  * Prototypes for machine specific functions. Most of these
  42  * could be inlined.
  43  *
  44  * This should not really be a separate header file. Eventually I will merge
  45  * this into other header files once I have decided where the declarations
  46  * should go.
  47  *
  48  * Created      : 18/09/94
  49  *
  50  * Based on kate/katelib/prototypes.h
  51  */
  52
  53 /*
  54  * USE OF THIS FILE IS DEPRECATED
  55  */
  56
  57 #include <sys/types.h>
  58 #include <arm/cpufunc.h>
  59
  60 #ifdef _KERNEL
  61
  62 /* Assembly modules */
  63
  64 /* In blockio.S */
  65 #include <arm/blockio.h>
  66
  67 /* Macros for reading and writing words, shorts, bytes */
  68
  69 #define WriteWord(a, b) \
  70 *((volatile unsigned int *)(a)) = (b)
  71
  72 #define ReadWord(a) \
  73 (*((volatile unsigned int *)(a)))
  74
  75 #define WriteShort(a, b) \
  76 *((volatile unsigned int *)(a)) = ((b) | ((b) << 16))
  77
  78 #define ReadShort(a) \
  79 ((*((volatile unsigned int *)(a))) & 0xffff)
  80
  81 #define WriteByte(a, b) \
  82 *((volatile unsigned char *)(a)) = (b)
  83
  84 #define ReadByte(a) \
  85 (*((volatile unsigned char *)(a)))
  86
  87 /* Define in/out macros */
  88
  89 #define inb(port)               ReadByte((port))
  90 #define outb(port, byte)        WriteByte((port), (byte))
  91 #define inw(port)               ReadShort((port))
  92 #define outw(port, word)        WriteShort((port), (word))
  93 #define inl(port)               ReadWord((port))
  94 #define outl(port, lword)       WriteWord((port), (lword))
  95
  96 #endif
  97
  98 /* End of katelib.h */