diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-01-13 14:07:41 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-01-19 08:36:19 +0100 |
| commit | 76a51c6841209ac1447a72f90f2729bf22ffc7d4 (patch) | |
| tree | 1582b7718ce838a1241d2cd3f45909c81cb5786c | |
| parent | bsps/arm: Use common ARMv7-M bsp_reset() (diff) | |
| download | rtems-76a51c6841209ac1447a72f90f2729bf22ffc7d4.tar.bz2 | |
bsps/arm: Copy vector table only if necessary
| -rw-r--r-- | c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c b/c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c index 6ad948226e..53ab5138f9 100644 --- a/c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c +++ b/c/src/lib/libbsp/arm/shared/armv7m/irq/armv7m-irq.c @@ -42,11 +42,13 @@ rtems_status_code bsp_interrupt_facility_initialize(void) ARMV7M_Exception_handler *vector_table = (ARMV7M_Exception_handler *) bsp_vector_table_begin; - memcpy( - vector_table, - bsp_start_vector_table_begin, - (size_t) bsp_vector_table_size - ); + if (bsp_vector_table_begin != bsp_start_vector_table_begin) { + memcpy( + vector_table, + bsp_start_vector_table_begin, + (size_t) bsp_vector_table_size + ); + } for (i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) { vector_table [ARMV7M_VECTOR_IRQ(i)] = _ARMV7M_NVIC_Interrupt_dispatch; |