4.104.114.84.95
Last change
on this file since 48bfd992 was
48bfd992,
checked in by Joel Sherrill <joel.sherrill@…>, on 11/30/99 at 19:58:02
|
Renamed shm.h to shm_driver.h to avoid conflicts with POSIX shm.h.
Renamed file shmsupp/intr.c in some BSPs to shmsupp/cause_intr.c to
avoid conflict with rtems/src/intr.c (Classic API Interrupt Manager).
|
-
Property mode set to
100644
|
File size:
910 bytes
|
Rev | Line | |
---|
[702c5f5] | 1 | /* Shm_Convert_address |
---|
| 2 | * |
---|
| 3 | * This routine takes into account the peculiar short VME address |
---|
| 4 | * of the CVME961 board. The CVME961 maps short address space |
---|
| 5 | * 0xffffxxxx to 0xb400xxxx. |
---|
| 6 | * |
---|
| 7 | * Input parameters: |
---|
| 8 | * address - address to convert |
---|
| 9 | * |
---|
| 10 | * Output parameters: |
---|
| 11 | * returns - converted address |
---|
| 12 | * |
---|
| 13 | * COPYRIGHT (c) 1989-1997. |
---|
| 14 | * On-Line Applications Research Corporation (OAR). |
---|
| 15 | * Copyright assigned to U.S. Government, 1994. |
---|
| 16 | * |
---|
| 17 | * The license and distribution terms for this file may in |
---|
| 18 | * the file LICENSE in this distribution or at |
---|
| 19 | * http://www.OARcorp.com/rtems/license.html. |
---|
| 20 | * |
---|
| 21 | * $Id$ |
---|
| 22 | */ |
---|
| 23 | |
---|
| 24 | #include <rtems.h> |
---|
| 25 | #include <bsp.h> |
---|
[48bfd992] | 26 | #include "shm_driver.h" |
---|
[702c5f5] | 27 | |
---|
| 28 | void *Shm_Convert_address( |
---|
| 29 | void *address |
---|
| 30 | ) |
---|
| 31 | { |
---|
| 32 | rtems_unsigned32 workaddr = (rtems_unsigned32) address; |
---|
| 33 | |
---|
| 34 | if ( workaddr >= 0xffff0000 ) |
---|
| 35 | workaddr = (workaddr & 0xffff) | 0xb4000000; |
---|
| 36 | return ( (rtems_unsigned32 *)workaddr ); |
---|
| 37 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.