mirror of https://github.com/ARMmbed/mbed-os.git
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
parent
927c31ab84
commit
061cb87294
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@ -31,14 +31,14 @@
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#include "cmsis_nvic.h"
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#define NVIC_RAM_VECTOR_ADDRESS (0x1FFFE000) // Vectors positioned at start of RAM
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#define NVIC_FLASH_VECTOR_ADDRESS (0x0) // Initial vector position in flash
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#define NVIC_FLASH_VECTOR_ADDRESS (__vector_table) // Initial vector position in flash
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void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
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uint32_t *vectors = (uint32_t*)SCB->VTOR;
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uint32_t i;
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// Copy and switch to dynamic vectors if the first time called
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if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) {
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if (SCB->VTOR < NVIC_RAM_VECTOR_ADDRESS) {
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uint32_t *old_vectors = vectors;
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vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
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for (i=0; i<NVIC_NUM_VECTORS; i++) {
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