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Diffstat (limited to '')
-rw-r--r-- | c/src/exec/rtems/src/dpmemexternal2internal.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/c/src/exec/rtems/src/dpmemexternal2internal.c b/c/src/exec/rtems/src/dpmemexternal2internal.c deleted file mode 100644 index 92407a3b55..0000000000 --- a/c/src/exec/rtems/src/dpmemexternal2internal.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Dual Port Memory Manager - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/support.h> -#include <rtems/score/address.h> -#include <rtems/rtems/dpmem.h> -#include <rtems/score/object.h> -#include <rtems/score/thread.h> -#include <rtems/rtems/dpmem.h> - -/*PAGE - * - * rtems_port_external_to_internal - * - * This directive converts an external dual-ported memory address to an - * internal dual-ported memory address. If the given external address - * is an invalid dual-ported address, then the internal address is set - * to the given external address. - * - * Input parameters: - * id - id of dp memory object - * external - external address - * internal - pointer of internal address to set - * - * Output parameters: - * internal - internal address - * RTEMS_SUCCESSFUL - always succeeds - */ - -rtems_status_code rtems_port_external_to_internal( - Objects_Id id, - void *external, - void **internal -) -{ - register Dual_ported_memory_Control *the_port; - Objects_Locations location; - unsigned32 ending; - - the_port = _Dual_ported_memory_Get( id, &location ); - switch ( location ) { - case OBJECTS_REMOTE: /* this error cannot be returned */ - return RTEMS_INTERNAL_ERROR; - - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - - case OBJECTS_LOCAL: - ending = _Addresses_Subtract( external, the_port->external_base ); - if ( ending > the_port->length ) - *internal = external; - else - *internal = _Addresses_Add_offset( the_port->internal_base, - ending ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} |