stmhal: Enable 8-byte stack alignment for IRQ handlers.

2014-09-25 15:47:53 +01:00 · 2014-09-25 15:47:53 +01:00 · ac04a8a56a
parent e8ea0724da
commit ac04a8a56a
1 changed files with 3 additions and 0 deletions
--- a/stmhal/system_stm32f4xx.c
+++ b/stmhal/system_stm32f4xx.c
@ -199,6 +199,9 @@ void SystemInit(void)
 #else
  SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
 #endif
+
+  /* dpgeorge: enable 8-byte stack alignment for IRQ handlers, in accord with EABI */
+  SCB->CCR |= SCB_CCR_STKALIGN_Msk;
 }

 /**