diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/shared/start/start.S')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/start/start.S | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/start/start.S b/c/src/lib/libbsp/powerpc/shared/start/start.S index 6c7a35bf4b..fadfd13ed1 100644 --- a/c/src/lib/libbsp/powerpc/shared/start/start.S +++ b/c/src/lib/libbsp/powerpc/shared/start/start.S @@ -7,7 +7,11 @@ * found in found in the file LICENSE in this distribution or at * http://www.rtems.com/license/LICENSE. * +<<<<<<< start.S * $Id$ +======= + * $Id$ +>>>>>>> 1.25 * */ @@ -60,6 +64,21 @@ __rtems_entry_point: mr r29,r5 mr r28,r6 mr r27,r7 + +#ifdef __ALTIVEC__ + /* enable altivec; gcc may use it! */ + mfmsr r0 + oris r0, r0, (1<<(31-16-6)) + mtmsr r0 + /* + * set vscr and vrsave to known values + */ + li r0, 0 + mtvrsave r0 + vxor 0,0,0 + mtvscr 0 +#endif + /* * Make sure we have nothing in BATS and TLB */ |