diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-05-02 13:37:30 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-05-03 17:30:56 +0200 |
| commit | 9ce658030a0d772ee135d8158531e69b2696ab97 (patch) | |
| tree | 05e176ca3c83e9c9d23180835d3c929e1558af2f | |
| parent | bsps/arm: Move .vector section (diff) | |
| download | rtems-9ce658030a0d772ee135d8158531e69b2696ab97.tar.bz2 | |
bsps/arm: Copy vector table only if necessary
| -rw-r--r-- | c/src/lib/libbsp/arm/shared/start/start.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/shared/start/start.S b/c/src/lib/libbsp/arm/shared/start/start.S index 9954a8717d..cb91d41494 100644 --- a/c/src/lib/libbsp/arm/shared/start/start.S +++ b/c/src/lib/libbsp/arm/shared/start/start.S @@ -186,11 +186,15 @@ bsp_start_hook_0_done: 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 /* Branch to start hook 1 */ |