Update cmsis_nvic.c

Ensure the NVIC table gets copied to RAM even when it is not at 0x0000
Same as 152b58673f for TARGET_LPC176X
pull/1273/head
marcusbirkin 2015-06-04 09:16:24 +01:00
parent 927c31ab84
commit 061cb87294
1 changed files with 2 additions and 2 deletions

View File

@ -31,14 +31,14 @@
#include "cmsis_nvic.h"
#define NVIC_RAM_VECTOR_ADDRESS (0x1FFFE000) // Vectors positioned at start of RAM
#define NVIC_FLASH_VECTOR_ADDRESS (0x0) // Initial vector position in flash
#define NVIC_FLASH_VECTOR_ADDRESS (__vector_table) // Initial vector position in flash
void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
uint32_t *vectors = (uint32_t*)SCB->VTOR;
uint32_t i;
// Copy and switch to dynamic vectors if the first time called
if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) {
if (SCB->VTOR < NVIC_RAM_VECTOR_ADDRESS) {
uint32_t *old_vectors = vectors;
vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
for (i=0; i<NVIC_NUM_VECTORS; i++) {