Changeset 9ce65803 in rtems

Timestamp:

May 2, 2013, 11:37:30 AM (8 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

4.11, 5, master

Children:

a91dc98b

Parents:

27690ec

git-author:

Sebastian Huber <sebastian.huber@…> (05/02/13 11:37:30)

git-committer:

Sebastian Huber <sebastian.huber@…> (05/03/13 15:30:56)

Message:

bsps/arm: Copy vector table only if necessary

File:

• c/src/lib/libbsp/arm/shared/start/start.S (modified) (1 diff)

c/src/lib/libbsp/arm/shared/start/start.S

@@ -187 +187 @@
         ldr     r0, =bsp_vector_table_begin
         adr     r1, bsp_start_vector_table_begin
+        cmp     r0, r1
+        beq     bsp_vector_table_copy_done
         ldmia   r1!, {r2-r9}
         stmia   r0!, {r2-r9}
         ldmia   r1!, {r2-r9}
         stmia   r0!, {r2-r9}
+
+bsp_vector_table_copy_done:
 
         SWITCH_FROM_ARM_TO_THUMB        r0