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/**
* \file
*
* \brief Startup file for SAM4E.
*
* Copyright (c) 2012 - 2013 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* \asf_license_stop
*
*/
#include "sam4e.h"
#include "exceptions.h"
#include "system_sam4e.h"
#if __FPU_USED /* CMSIS defined value to indicate usage of FPU */
#include "fpu.h"
#endif
/* Initialize segments */
extern uint32_t _sfixed;
extern uint32_t _efixed;
extern uint32_t _etext;
extern uint32_t _srelocate;
extern uint32_t _erelocate;
extern uint32_t _szero;
extern uint32_t _ezero;
extern uint32_t _sstack;
extern uint32_t _estack;
/** \cond DOXYGEN_SHOULD_SKIP_THIS */
int main(void);
/** \endcond */
void __libc_init_array(void);
/* Exception Table */
__attribute__ ((section(".vectors")))
const DeviceVectors exception_table = {
/* Configure Initial Stack Pointer, using linker-generated symbols */
(void*) (&_estack),
(void*) Reset_Handler,
(void*) NMI_Handler,
(void*) HardFault_Handler,
(void*) MemManage_Handler,
(void*) BusFault_Handler,
(void*) UsageFault_Handler,
(void*) (0UL), /* Reserved */
(void*) (0UL), /* Reserved */
(void*) (0UL), /* Reserved */
(void*) (0UL), /* Reserved */
(void*) SVC_Handler,
(void*) DebugMon_Handler,
(void*) (0UL), /* Reserved */
(void*) PendSV_Handler,
(void*) SysTick_Handler,
/* Configurable interrupts */
(void*) SUPC_Handler, /* 0 Supply Controller */
(void*) RSTC_Handler, /* 1 Reset Controller */
(void*) RTC_Handler, /* 2 Real Time Clock */
(void*) RTT_Handler, /* 3 Real Time Timer */
(void*) WDT_Handler, /* 4 Watchdog/Dual Watchdog Timer */
(void*) PMC_Handler, /* 5 Power Management Controller */
(void*) EFC_Handler, /* 6 Enhanced Embedded Flash Controller */
(void*) UART0_Handler, /* 7 UART 0 */
(void*) Dummy_Handler,
(void*) PIOA_Handler, /* 9 Parallel I/O Controller A */
(void*) PIOB_Handler, /* 10 Parallel I/O Controller B */
(void*) PIOC_Handler, /* 11 Parallel I/O Controller C */
#ifdef _SAM4E_PIOD_INSTANCE_
(void*) PIOD_Handler, /* 12 Parallel I/O Controller D */
#else
(void*) Dummy_Handler,
#endif
#ifdef _SAM4E_PIOE_INSTANCE_
(void*) PIOE_Handler, /* 13 Parallel I/O Controller E */
#else
(void*) Dummy_Handler,
#endif
(void*) USART0_Handler, /* 14 USART 0 */
(void*) USART1_Handler, /* 15 USART 1 */
(void*) HSMCI_Handler, /* 16 Multimedia Card Interface */
(void*) TWI0_Handler, /* 17 Two Wire Interface 0 */
(void*) TWI1_Handler, /* 18 Two Wire Interface 1 */
(void*) SPI_Handler, /* 19 Serial Peripheral Interface */
(void*) DMAC_Handler, /* 20 DMAC */
(void*) TC0_Handler, /* 21 Timer/Counter 0 */
(void*) TC1_Handler, /* 22 Timer/Counter 1 */
(void*) TC2_Handler, /* 23 Timer/Counter 2 */
(void*) TC3_Handler, /* 24 Timer/Counter 3 */
(void*) TC4_Handler, /* 25 Timer/Counter 4 */
(void*) TC5_Handler, /* 26 Timer/Counter 5 */
(void*) TC6_Handler, /* 27 Timer/Counter 6 */
(void*) TC7_Handler, /* 28 Timer/Counter 7 */
(void*) TC8_Handler, /* 29 Timer/Counter 8 */
(void*) AFEC0_Handler, /* 30 Analog Front End 0 */
(void*) AFEC1_Handler, /* 31 Analog Front End 1 */
(void*) DACC_Handler, /* 32 Digital To Analog Converter */
(void*) ACC_Handler, /* 33 Analog Comparator */
(void*) ARM_Handler, /* 34 FPU signals : FPIXC, FPOFC, FPUFC, FPIOC, FPDZC, FPIDC, FPIXC */
(void*) UDP_Handler, /* 35 USB DEVICE */
(void*) PWM_Handler, /* 36 PWM */
(void*) CAN0_Handler, /* 37 CAN0 */
(void*) CAN1_Handler, /* 38 CAN1 */
(void*) AES_Handler, /* 39 AES */
(void*) Dummy_Handler,
(void*) Dummy_Handler,
(void*) Dummy_Handler,
(void*) Dummy_Handler,
#ifdef _SAM4E_GMAC_INSTANCE_
(void*) GMAC_Handler, /* 44 EMAC */
#else
(void*) Dummy_Handler,
#endif
(void*) UART1_Handler /* 45 UART */
};
/**
* \brief This is the code that gets called on processor reset.
* To initialize the device, and call the main() routine.
*/
void Reset_Handler(void)
{
uint32_t *pSrc, *pDest;
/* Initialize the relocate segment */
pSrc = &_etext;
pDest = &_srelocate;
if (pSrc != pDest) {
for (; pDest < &_erelocate;) {
*pDest++ = *pSrc++;
}
}
/* Clear the zero segment */
for (pDest = &_szero; pDest < &_ezero;) {
*pDest++ = 0;
}
/* Set the vector table base address */
pSrc = (uint32_t *) & _sfixed;
SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk);
#if __FPU_USED
fpu_enable();
#endif
/* Initialize the C library */
__libc_init_array();
/* Branch to main function */
main();
/* Infinite loop */
while (1);
}