//SBL.c

//Define my Application Address
#define APPLICATION_ADDRESS 0x00008020
typedef void(*pFunction)(void);
pFunction appEntry;
uint32_t appStack;

//Disabling interrupts, before changing interrupt vectors
__disable_irq();

//Get the application stack pointer
appStack=(uint32_t)*((__IO uint32_t*)APPLICATION_ADDRESS);

//Get the application entry point
appEntry=(pFunction)(__IO uint32_t*)(APPLICATION_ADDRESS+4);

// Set vector table offset
SCB->VTOR = APPLICATION_ADDRESS;

//Enable interrupts before jumping to application
__enable_irq();

//Set application stack pointer
__set_MSP(appStack);

appEntry();