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/* pgtbl_activate.c,v 1.1.2.1 2003/02/20 21:45:49 joel Exp */
#include <rtems.h>
#include <libcpu/pte121.h>
#include <libcpu/bat.h>
/* Default activation of the page tables. This is a weak
* alias, so applications may easily override this
* default activation procedure.
*/
/* Author: Till Straumann, <strauman@slac.stanford.edu>, 4/2002
* Kate Feng <feng1@bnl.gov> ported it to MVME5500, 4/2004
*/
void
BSP_pgtbl_activate(Triv121PgTbl) __attribute__ (( weak, alias("__BSP_default_pgtbl_activate") ));
void
__BSP_default_pgtbl_activate(Triv121PgTbl pt)
{
if (!pt) return;
/* switch the text/ro sements to RO only after
* initializing the interrupts because the irq_mng
* installs some code...
*
* activate the page table; it is still masked by the
* DBAT0, however
*/
triv121PgTblActivate(pt);
/* finally, switch off DBAT0 & DBAT1 */
setdbat(0,0,0,0,0);
setdbat(1,0,0,0,0); /* <skf> */
/* At this point, DBAT0 is available for other use... */
}
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