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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [i960/] [cvme961/] [shmsupp/] [addrconv.c] - Blame information for rev 173

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Line No. Rev Author Line
1 30 unneback
/*  Shm_Convert_address
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 *
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 *  This routine takes into account the peculiar short VME address
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 *  of the CVME961 board.  The CVME961 maps short address space
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 *  0xffffxxxx to 0xb400xxxx.
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 *
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 *  Input parameters:
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 *    address - address to convert
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 *
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 *  Output parameters:
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 *    returns - converted address
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: addrconv.c,v 1.2 2001-09-27 11:59:56 chris Exp $
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 */
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#include <rtems.h>
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#include <bsp.h>
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#include "shm_driver.h"
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void *Shm_Convert_address(
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  void *address
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)
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{
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  rtems_unsigned32 workaddr = (rtems_unsigned32) address;
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  if ( workaddr >= 0xffff0000 )
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    workaddr = (workaddr & 0xffff) | 0xb4000000;
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  return ( (rtems_unsigned32 *)workaddr );
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}

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