pexpert/pexpert/i386/protos.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 #ifndef _PEXPERT_I386_PROTOS_H
  23 #define _PEXPERT_I386_PROTOS_H
  24
  25 //------------------------------------------------------------------------
  26 // x86 IN/OUT I/O inline functions.
  27 //
  28 // IN :  inb, inw, inl
  29 //       IN(port)
  30 //
  31 // OUT:  outb, outw, outl
  32 //       OUT(port, data)
  33
  34 typedef unsigned short   i386_ioport_t;
  35
  36 #define __IN(s, u) \
  37 static __inline__ unsigned u \
  38 in##s(i386_ioport_t port) \
  39 { \
  40     unsigned u data; \
  41     asm volatile ( \
  42         "in" #s " %1,%0" \
  43         : "=a" (data) \
  44         : "d" (port)); \
  45     return (data); \
  46 }
  47
  48 #define __OUT(s, u) \
  49 static __inline__ void \
  50 out##s(i386_ioport_t port, unsigned u data) \
  51 { \
  52     asm volatile ( \
  53         "out" #s " %1,%0" \
  54         : \
  55         : "d" (port), "a" (data)); \
  56 }
  57
  58 __IN(b, char)
  59 __IN(w, short)
  60 __IN(l, long)
  61
  62 __OUT(b, char)
  63 __OUT(w, short)
  64 __OUT(l, long)
  65
  66 //------------------------------------------------------------------------
  67 // from bsd/dev/ppc/busses.h which clashes with mach/device/device_types.h
  68 typedef int            io_req_t;
  69
  70
  71 // typedef struct ipc_port         *ipc_port_t;
  72
  73 extern void            cninit(void);
  74
  75 #endif /* _PEXPERT_I386_PROTOS_H */