/**
* \brief This function does two operations:\n
* 1> Copies an array which contains vector table values to the
* processor's vector table space.\n
* 2> Then it calls the main() function.\n
*
* \param None.
*
* \return None.
*
* \note This function is the first function that needs to be called in a
* system. This should be set as the entry point in the linker script
* file if the ELF executable is to loaded via a debugger on the
* target. This function never returns, but gives control to the
* application entry point.
**/
unsigned int start_boot(void)
{
/*
** Copy the vector table to desired location. This is needed if the vector
** table is to be relocated to OCMC RAM. The default vector table base is in
** OCMC RAM, but we can move it to the end of OCMC RAM, to make some more
** space in OCMC RAM for relocating any other code, if desired.
** The vector table can be placed anywhere in the memory map. If the entire
** code is intended to be run from DDR, it can be placed in DDR also. In this
** case, only vector base address register need to be set with the base
** address of the vector table.
*/
CopyVectorTable();
/* Calling the main */
main();
while(1);
}
/**
* \brief Boot strap function which enables the PLL(s) and PSC(s) for basic
* module(s)
*
* \param none
*
* \return None.
*
* This function is the first function that needs to be called in a system.
* This should be set as the entry point in the linker script if loading the
* elf binary via a debugger, on the target. This function never returns, but
* gives control to the application entry point
**/
unsigned int start_boot(void)
{
/* Enable write-protection for registers of SYSCFG module. */
SysCfgRegistersLock();
/* Disable write-protection for registers of SYSCFG module. */
SysCfgRegistersUnlock();
PSCModuleControl(SOC_PSC_1_REGS, HW_PSC_UART2, 0, PSC_MDCTL_NEXT_ENABLE);
PSCModuleControl(SOC_PSC_0_REGS, HW_PSC_AINTC, 0, PSC_MDCTL_NEXT_ENABLE);
/* Initialize the vector table with opcodes */
CopyVectorTable();
/* Calling the main */
main();
while(1);
}
