/* void Shm_Convert_packet( &packet )
|
/* void Shm_Convert_packet( &packet )
|
*
|
*
|
* This routine is the shared memory locked queue MPCI driver routine
|
* This routine is the shared memory locked queue MPCI driver routine
|
* used to convert the RTEMS's information in a packet from non-native
|
* used to convert the RTEMS's information in a packet from non-native
|
* format to processor native format.
|
* format to processor native format.
|
*
|
*
|
* Input parameters:
|
* Input parameters:
|
* packet - pointer to a packet
|
* packet - pointer to a packet
|
*
|
*
|
* Output parameters:
|
* Output parameters:
|
* *packet - packet in native format
|
* *packet - packet in native format
|
*
|
*
|
* NOTE: Message buffers are not manipulated.
|
* NOTE: Message buffers are not manipulated.
|
* Endian conversion is currently the only conversion.
|
* Endian conversion is currently the only conversion.
|
*
|
*
|
* COPYRIGHT (c) 1989-1999.
|
* COPYRIGHT (c) 1989-1999.
|
* On-Line Applications Research Corporation (OAR).
|
* On-Line Applications Research Corporation (OAR).
|
*
|
*
|
* The license and distribution terms for this file may be
|
* The license and distribution terms for this file may be
|
* found in the file LICENSE in this distribution or at
|
* found in the file LICENSE in this distribution or at
|
* http://www.OARcorp.com/rtems/license.html.
|
* http://www.OARcorp.com/rtems/license.html.
|
*
|
*
|
* $Id: cnvpkt.c,v 1.2 2001-09-27 12:01:12 chris Exp $
|
* $Id: cnvpkt.c,v 1.2 2001-09-27 12:01:12 chris Exp $
|
*/
|
*/
|
|
|
#include <rtems.h>
|
#include <rtems.h>
|
#include "shm_driver.h"
|
#include "shm_driver.h"
|
|
|
void Shm_Convert_packet(
|
void Shm_Convert_packet(
|
rtems_packet_prefix *packet
|
rtems_packet_prefix *packet
|
)
|
)
|
{
|
{
|
rtems_unsigned32 *pkt, i;
|
rtems_unsigned32 *pkt, i;
|
|
|
pkt = (rtems_unsigned32 *) packet;
|
pkt = (rtems_unsigned32 *) packet;
|
for ( i=RTEMS_MINIMUN_HETERO_CONVERSION ; i ; i--, pkt++ )
|
for ( i=RTEMS_MINIMUN_HETERO_CONVERSION ; i ; i--, pkt++ )
|
*pkt = CPU_swap_u32( *pkt );
|
*pkt = CPU_swap_u32( *pkt );
|
|
|
for ( i=packet->to_convert ; i ; i--, pkt++ )
|
for ( i=packet->to_convert ; i ; i--, pkt++ )
|
*pkt = CPU_swap_u32( *pkt );
|
*pkt = CPU_swap_u32( *pkt );
|
}
|
}
|
|
|