/** | |
* \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); | |
} |