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