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Merge pull request #7383 from jflyper/bfdev-f4-vector-table-relocation

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[F4] Relocate ISR vector table to RAM
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Michael Keller 2019-01-15 21:53:28 +13:00 • committed by GitHub
commit 2bf2ded102
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4 changed files with 33 additions and 9 deletions
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7
src/main/drivers/system_stm32f4xx.c
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@ -187,9 +187,12 @@ void systemInit(void)
// cache RCC->CSR value to use it in isMPUSoftReset() and others
cachedRccCsrValue = RCC->CSR;
/* Accounts for OP Bootloader, set the Vector Table base address as specified in .ld file */
extern void *isr_vector_table_base;
// Although VTOR is already loaded with a possible vector table in RAM,
// removing the call to NVIC_SetVectorTable causes USB not to become active,
extern uint8_t isr_vector_table_base;
NVIC_SetVectorTable((uint32_t)&isr_vector_table_base, 0x0);
RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_OTG_FS, DISABLE);
RCC_ClearFlag();