source: rtems/cpukit/score/inline/rtems/score/address.inl @ dd687d9

4.104.114.84.95
Last change on this file since dd687d9 was dd687d9, checked in by Joel Sherrill <joel.sherrill@…>, on Sep 4, 2003 at 6:56:05 PM

2003-09-04 Joel Sherrill <joel@…>

  • include/rtems/debug.h, include/rtems/seterr.h, include/rtems/system.h, include/rtems/score/address.h, include/rtems/score/apiext.h, include/rtems/score/apimutex.h, include/rtems/score/bitfield.h, include/rtems/score/chain.h, include/rtems/score/context.h, include/rtems/score/copyrt.h, include/rtems/score/coremsg.h, include/rtems/score/coremutex.h, include/rtems/score/coresem.h, include/rtems/score/heap.h, include/rtems/score/interr.h, include/rtems/score/isr.h, include/rtems/score/mpci.h, include/rtems/score/mppkt.h, include/rtems/score/object.h, include/rtems/score/objectmp.h, include/rtems/score/priority.h, include/rtems/score/stack.h, include/rtems/score/states.h, include/rtems/score/sysstate.h, include/rtems/score/thread.h, include/rtems/score/threadmp.h, include/rtems/score/threadq.h, include/rtems/score/tod.h, include/rtems/score/tqdata.h, include/rtems/score/userext.h, include/rtems/score/watchdog.h, include/rtems/score/wkspace.h, inline/rtems/score/address.inl, inline/rtems/score/chain.inl, inline/rtems/score/coremsg.inl, inline/rtems/score/coremutex.inl, inline/rtems/score/coresem.inl, inline/rtems/score/heap.inl, inline/rtems/score/isr.inl, inline/rtems/score/mppkt.inl, inline/rtems/score/object.inl, inline/rtems/score/objectmp.inl, inline/rtems/score/priority.inl, inline/rtems/score/stack.inl, inline/rtems/score/states.inl, inline/rtems/score/sysstate.inl, inline/rtems/score/thread.inl, inline/rtems/score/threadmp.inl, inline/rtems/score/tod.inl, inline/rtems/score/tqdata.inl, inline/rtems/score/userext.inl, inline/rtems/score/watchdog.inl, inline/rtems/score/wkspace.inl, macros/rtems/score/address.inl, macros/rtems/score/chain.inl, macros/rtems/score/coremsg.inl, macros/rtems/score/coremutex.inl, macros/rtems/score/coresem.inl, macros/rtems/score/heap.inl, macros/rtems/score/isr.inl, macros/rtems/score/mppkt.inl, macros/rtems/score/object.inl, macros/rtems/score/objectmp.inl, macros/rtems/score/priority.inl, macros/rtems/score/stack.inl, macros/rtems/score/states.inl, macros/rtems/score/sysstate.inl, macros/rtems/score/thread.inl, macros/rtems/score/threadmp.inl, macros/rtems/score/tod.inl, macros/rtems/score/tqdata.inl, macros/rtems/score/userext.inl, macros/rtems/score/watchdog.inl, macros/rtems/score/wkspace.inl, src/apiext.c, src/chain.c, src/coremsg.c, src/coremsgbroadcast.c, src/coremsgclose.c, src/coremsgflush.c, src/coremsgflushsupp.c, src/coremsgflushwait.c, src/coremsginsert.c, src/coremsgseize.c, src/coremsgsubmit.c, src/coremutex.c, src/coremutexflush.c, src/coremutexseize.c, src/coremutexsurrender.c, src/coresem.c, src/coresemflush.c, src/coresemseize.c, src/coresemsurrender.c, src/coretod.c, src/coretodset.c, src/coretodtickle.c, src/coretodtoseconds.c, src/coretodvalidate.c, src/heap.c, src/heapallocate.c, src/heapextend.c, src/heapfree.c, src/heapgetinfo.c, src/heapsizeofuserarea.c, src/heapwalk.c, src/interr.c, src/isr.c, src/iterateoverthreads.c, src/mpci.c, src/object.c, src/objectallocate.c, src/objectallocatebyindex.c, src/objectclearname.c, src/objectcomparenameraw.c, src/objectcomparenamestring.c, src/objectcopynameraw.c, src/objectcopynamestring.c, src/objectextendinformation.c, src/objectfree.c, src/objectget.c, src/objectgetbyindex.c, src/objectgetisr.c, src/objectgetnext.c, src/objectgetnoprotection.c, src/objectidtoname.c, src/objectinitializeinformation.c, src/objectmp.c, src/objectnametoid.c, src/objectshrinkinformation.c, src/thread.c, src/threadchangepriority.c, src/threadclearstate.c, src/threadclose.c, src/threadcreateidle.c, src/threaddelayended.c, src/threaddispatch.c, src/threadevaluatemode.c, src/threadget.c, src/threadhandler.c, src/threadidlebody.c, src/threadinitialize.c, src/threadloadenv.c, src/threadmp.c, src/threadq.c, src/threadqdequeue.c, src/threadqdequeuefifo.c, src/threadqdequeuepriority.c, src/threadqenqueue.c, src/threadqenqueuefifo.c, src/threadqenqueuepriority.c, src/threadqextract.c, src/threadqextractfifo.c, src/threadqextractpriority.c, src/threadqextractwithproxy.c, src/threadqfirst.c, src/threadqfirstfifo.c, src/threadqfirstpriority.c, src/threadqflush.c, src/threadqtimeout.c, src/threadready.c, src/threadreset.c, src/threadresettimeslice.c, src/threadrestart.c, src/threadresume.c, src/threadrotatequeue.c, src/threadsetpriority.c, src/threadsetstate.c, src/threadsettransient.c, src/threadstackallocate.c, src/threadstackfree.c, src/threadstart.c, src/threadstartmultitasking.c, src/threadsuspend.c, src/threadtickletimeslice.c, src/threadyieldprocessor.c, src/userext.c, src/watchdog.c, src/watchdogadjust.c, src/watchdoginsert.c, src/watchdogremove.c, src/watchdogtickle.c, src/wkspace.c: URL for license changed.
  • Property mode set to 100644
File size: 2.7 KB
Line 
1/*  inline/address.inl
2 *
3 *  This include file contains the bodies of the routines
4 *  about addresses which are inlined.
5 *
6 *  COPYRIGHT (c) 1989-1999.
7 *  On-Line Applications Research Corporation (OAR).
8 *
9 *  The license and distribution terms for this file may be
10 *  found in the file LICENSE in this distribution or at
11 *  http://www.rtems.com/license/LICENSE.
12 *
13 *  $Id$
14 */
15
16#ifndef __INLINE_ADDRESSES_inl
17#define __INLINE_ADDRESSES_inl
18
19/*PAGE
20 *
21 *  _Addresses_Add_offset
22 *
23 *  DESCRIPTION:
24 *
25 *  This function is used to add an offset to a base address.
26 *  It returns the resulting address.  This address is typically
27 *  converted to an access type before being used further.
28 */
29
30RTEMS_INLINE_ROUTINE void *_Addresses_Add_offset (
31  void       *base,
32  unsigned32  offset
33)
34{
35  return (void *)((char *)base + offset);
36}
37
38/*PAGE
39 *
40 *  _Addresses_Subtract_offset
41 *
42 *  DESCRIPTION:
43 *
44 *  This function is used to subtract an offset from a base
45 *  address.  It returns the resulting address.  This address is
46 *  typically converted to an access type before being used further.
47 */
48
49RTEMS_INLINE_ROUTINE void *_Addresses_Subtract_offset (
50  void       *base,
51  unsigned32  offset
52)
53{
54  return (void *)((char *)base - offset);
55}
56
57/*PAGE
58 *
59 *  _Addresses_Subtract
60 *
61 *  DESCRIPTION:
62 *
63 *  This function is used to subtract two addresses.  It returns the
64 *  resulting offset.
65 *
66 *  NOTE:  The cast of an address to an unsigned32 makes this code
67 *         dependent on an addresses being thirty two bits.
68 */
69
70RTEMS_INLINE_ROUTINE unsigned32 _Addresses_Subtract (
71  void *left,
72  void *right
73)
74{
75  return ((char *) left - (char *) right);
76}
77
78/*PAGE
79 *
80 *  _Addresses_Is_aligned
81 *
82 *  DESCRIPTION:
83 *
84 *  This function returns TRUE if the given address is correctly
85 *  aligned for this processor and FALSE otherwise.  Proper alignment
86 *  is based on correctness and efficiency.
87 */
88
89RTEMS_INLINE_ROUTINE boolean _Addresses_Is_aligned (
90  void *address
91)
92{
93#if (CPU_ALIGNMENT == 0)
94    return TRUE;
95#elif defined(RTEMS_CPU_HAS_16_BIT_ADDRESSES)
96    return ( ( (unsigned short)address % CPU_ALIGNMENT ) == 0 );
97#else
98    return ( ( (unsigned32)address % CPU_ALIGNMENT ) == 0 );
99#endif
100}
101
102/*PAGE
103 *
104 *  _Addresses_Is_in_range
105 *
106 *  DESCRIPTION:
107 *
108 *  This function returns TRUE if the given address is within the
109 *  memory range specified and FALSE otherwise.  base is the address
110 *  of the first byte in the memory range and limit is the address
111 *  of the last byte in the memory range.  The base address is
112 *  assumed to be lower than the limit address.
113 */
114
115RTEMS_INLINE_ROUTINE boolean _Addresses_Is_in_range (
116  void *address,
117  void *base,
118  void *limit
119)
120{
121  return ( address >= base && address <= limit );
122}
123
124#endif
125/* end of include file */
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