/* CODE_SETUP */

_CODE_SETUP_START align(4) :> CODE_SETUP

__CODE_SETUP_START = . ;

. = align(4);

_Startup_Code_START = . ;

__Startup_Code_START = . ;

.brsStartup align (4) :> .

_RESET = brsStartupEntry;

_start = brsStartupEntry;

_brsStartupEntry = brsStartupEntry;

/* */

/* Description: Entry point for all cores */

/* */

BRS_SECTION_CODE ( brsStartup )

BRS_GLOBAL (brsStartupEntry)

BRS_LABEL (brsStartupEntry)

// … …

BRS_BRANCH (brsPreAsmStartupHook)

/* */

/* Description: Initialize memory blocks and areas with zero */

/* */

BRS_GLOBAL (brsStartupZeroInitLoop)

BRS_LABEL (brsStartupZeroInitLoop)

/* read ID of actual running Core into Register 16 */

BRS_READ_COREID (r16)

/* Initialize memory sections with zeros */

#if defined (VLINKGEN_ZERO_INIT_BLOCK_COUNT_STARTUP)

# if (VLINKGEN_ZERO_INIT_BLOCK_COUNT_STARTUP > 1uL )

__as1 (mov _vLinkGen_ZeroInitBlocksArrayStartup , r11)

BRS_LABEL (_startup_block_zero_init_start)

__as1 (mov r11 , r12)

__as2 (addi 12 , r11, r11)

__as1 (ld.w 0 [r12], r13) /* get start address */

__as1 (ld.w 4 [r12], r14) /* get end address */

__as1 (ld.w 8 [r12], r15) /* get core ID */

__as1 (cmp r13 , r14) /* check end of table */

___asm (be _startup_block_zero_init_end )

__as1 (cmp r15 , r16) /* compare core ID */

___asm (bne _startup_block_zero_init_start )

BRS_LABEL (_startup_block_zero_init_loop_start)

__as1 (st.w r0 , 0 [r13])

__as2 (addi 4 , r13, r13)

__as1 (cmp r13 , r14) /* compare to end address */

___asm (bh _startup_block_zero_init_loop_start )

___asm (jr _startup_block_zero_init_start )

BRS_LABEL (_startup_block_zero_init_end)

# endif /*VLINKGEN_ZERO_INIT_BLOCK_COUNT_STARTUP>1uL*/

/*! Memory region blocks to be initialized with zeros directly after reset. */

const vLinkGen_MemArea vLinkGen_ZeroInitBlocksArrayStartup [ VLINKGEN_ZERO_INIT_BLOCK_COUNT_STARTUP ] =

{

{

/* .start = */ ( uint32 ) 0xFEBD0000uL , /* LOCAL_RAM_0 */

/* .end = */ ( uint32 ) 0xFEBF0000uL ,

/* .core = */ ( uint32 ) 0uL

},

{

/* .start = */ ( uint32 ) 0uL ,

/* .end = */ ( uint32 ) 0uL ,

/* .core = */ ( uint32 ) 0uL

}

};

#else

#error "Mandatory define VLINKGEN_ZERO_INIT_BLOCK_COUNT
_STARTUP missing within vLinkGen configuration!"

#endif /*VLINKGEN_ZERO_INIT_BLOCK_COUNT_STARTUP*/

#if defined (VLINKGEN_ZERO_INIT_AREA_COUNT_STARTUP)

# if (VLINKGEN_ZERO_INIT_AREA_COUNT_STARTUP > 1uL )

__as1 (mov _vLinkGen_ZeroInitAreasArrayStartup , r11)

BRS_LABEL (_startup_area_zero_init_start)

__as1 (mov r11 , r12)

__as2 (addi 12 , r11, r11)

__as1 (ld.w 0 [r12], r13) /* get start address */

__as1 (ld.w 4 [r12], r14) /* get end address */

__as1 (ld.w 8 [r12], r15) /* get core ID */

__as1 (cmp r13 , r14) /* check end of table */

___asm (be _startup_area_zero_init_end )

__as1 (cmp r15 , r16) /* compare core ID */

___asm (bne _startup_area_zero_init_start )

BRS_LABEL (_startup_area_zero_init_loop_start)

__as1 (st.w r0 , 0 [r13])

__as2 (addi 4 , r13, r13)

__as1 (cmp r13 , r14) /* compare to end address */

___asm (bh _startup_area_zero_init_loop_start )

___asm (jr _startup_area_zero_init_start )

BRS_LABEL (_startup_area_zero_init_end)

# endif /*VLINKGEN_ZERO_INIT_AREA_COUNT_STARTUP>1uL*/

#else

#error "Mandatory define VLINKGEN_ZERO_INIT_AREA
_COUNT_STARTUP missing within vLinkGen configuration!"

#endif /*VLINKGEN_ZERO_INIT_AREA_COUNT_STARTUP*/

/*! Section groups to be intialized with zeros directly after reset. */

const vLinkGen_MemArea vLinkGen_ZeroInitAreasArrayStartup [ VLINKGEN_ZERO_INIT_AREA_COUNT_STARTUP ] =

{

{

/* .start = */ ( uint32 ) _Startup_Stack_START ,

/* .end = */ ( uint32 ) _Startup_Stack_END ,

/* .core = */ ( uint32 ) 0uL

},

{

/* .start = */ ( uint32 ) 0uL ,

/* .end = */ ( uint32 ) 0uL ,

/* .core = */ ( uint32 ) 0uL

}

};

/* */

/* Description: Jump to Brs_PreMainStartup() (BrsMainStartup.c) */

/* */

BRS_BRANCH (_Brs_PreMainStartup)

FUNCTION DEFINITIONS

/**

* @brief Unified routine for Pre Main() Startup.

* @pre Stack pointer needs to be initilialized in StartUpCode before.

* @param [in] -

* @param [out] -

* @return -

* @context Function is called from assembler startup code

* Called by all cores

* All APIs are called with current Core ID

*/

void Brs_PreMainStartup ( void )

{

BrsHw_PreInitClock ( BrsHw_GetCore ()); /* optional
callout to power up the PLL for faster Memory initialization */

BrsHw_PreZeroRamHook ( BrsHw_GetCore ()); /* optional, empty by default */

// … …

main ();

}