source: rtems/c/src/lib/libbsp/shmdr/cnvpkt.c @ b1b5a7cb

4.104.114.84.95
Last change on this file since b1b5a7cb was ac7d5ef0, checked in by Joel Sherrill <joel.sherrill@…>, on May 11, 1995 at 5:39:37 PM

Initial revision

  • Property mode set to 100644
File size: 1.2 KB
RevLine 
[ac7d5ef0]1/*  void Shm_Convert_packet( &packet )
2 *
3 *  This routine is the shared memory locked queue MPCI driver routine
4 *  used to convert the RTEMS's information in a packet from non-native
5 *  format to processor native format.
6 *
7 *  Input parameters:
8 *    packet  - pointer to a packet
9 *
10 *  Output parameters:
11 *    *packet - packet in native format
12 *
13 *  NOTE: Message buffers are not manipulated.
14 *        Endian conversion is currently the only conversion.
15 *
16 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
17 *  On-Line Applications Research Corporation (OAR).
18 *  All rights assigned to U.S. Government, 1994.
19 *
20 *  This material may be reproduced by or for the U.S. Government pursuant
21 *  to the copyright license under the clause at DFARS 252.227-7013.  This
22 *  notice must appear in all copies of this file and its derivatives.
23 *
24 *  $Id$
25 */
26
27#include <rtems.h>
28#include "shm.h"
29
30void Shm_Convert_packet(
31  rtems_packet_prefix *packet
32)
33{
34  rtems_unsigned32 *pkt, i;
35
36  pkt = (rtems_unsigned32 *) packet;
37  for ( i=RTEMS_MINIMUN_HETERO_CONVERSION ; i ; i--, pkt++ )
38    *pkt = CPU_swap_u32( *pkt );
39
40  for ( i=packet->to_convert ; i ; i--, pkt++ )
41    *pkt = CPU_swap_u32( *pkt );
42}
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