/** | |
* \file | |
* | |
* \brief GCC Startup file for SAM4L. | |
* | |
* Copyright (c) 2012 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 "exceptions.h" | |
#include "sam4l.h" | |
#include "system_sam4l.h" | |
/* 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"))) | |
IntFunc exception_table[] = { | |
/* Configure Initial Stack Pointer, using linker-generated symbols */ | |
(IntFunc) (&_estack), | |
Reset_Handler, | |
NMI_Handler, | |
HardFault_Handler, | |
MemManage_Handler, | |
BusFault_Handler, | |
UsageFault_Handler, | |
0, 0, 0, 0, /* Reserved */ | |
SVC_Handler, | |
DebugMon_Handler, | |
0, /* Reserved */ | |
PendSV_Handler, | |
SysTick_Handler, | |
// Configurable interrupts | |
HFLASHC_Handler, // 0 | |
PDCA_0_Handler, // 1 | |
PDCA_1_Handler, // 2 | |
PDCA_2_Handler, // 3 | |
PDCA_3_Handler, // 4 | |
PDCA_4_Handler, // 5 | |
PDCA_5_Handler, // 6 | |
PDCA_6_Handler, // 7 | |
PDCA_7_Handler, // 8 | |
PDCA_8_Handler, // 9 | |
PDCA_9_Handler, // 10 | |
PDCA_10_Handler, // 11 | |
PDCA_11_Handler, // 12 | |
PDCA_12_Handler, // 13 | |
PDCA_13_Handler, // 14 | |
PDCA_14_Handler, // 15 | |
PDCA_15_Handler, // 16 | |
CRCCU_Handler, // 17 | |
USBC_Handler, // 18 | |
PEVC_TR_Handler, // 19 | |
PEVC_OV_Handler, // 20 | |
AESA_Handler, // 21 | |
PM_Handler, // 22 | |
SCIF_Handler, // 23 | |
FREQM_Handler, // 24 | |
GPIO_0_Handler, // 25 | |
GPIO_1_Handler, // 26 | |
GPIO_2_Handler, // 27 | |
GPIO_3_Handler, // 28 | |
GPIO_4_Handler, // 29 | |
GPIO_5_Handler, // 30 | |
GPIO_6_Handler, // 31 | |
GPIO_7_Handler, // 32 | |
GPIO_8_Handler, // 33 | |
GPIO_9_Handler, // 34 | |
GPIO_10_Handler, // 35 | |
GPIO_11_Handler, // 36 | |
BPM_Handler, // 37 | |
BSCIF_Handler, // 38 | |
AST_ALARM_Handler, // 39 | |
AST_PER_Handler, // 40 | |
AST_OVF_Handler, // 41 | |
AST_READY_Handler, // 42 | |
AST_CLKREADY_Handler, // 43 | |
WDT_Handler, // 44 | |
EIC_1_Handler, // 45 | |
EIC_2_Handler, // 46 | |
EIC_3_Handler, // 47 | |
EIC_4_Handler, // 48 | |
EIC_5_Handler, // 49 | |
EIC_6_Handler, // 50 | |
EIC_7_Handler, // 51 | |
EIC_8_Handler, // 52 | |
IISC_Handler, // 53 | |
SPI_Handler, // 54 | |
TC00_Handler, // 55 | |
TC01_Handler, // 56 | |
TC02_Handler, // 57 | |
TC10_Handler, // 58 | |
TC11_Handler, // 59 | |
TC12_Handler, // 60 | |
TWIM0_Handler, // 61 | |
TWIS0_Handler, // 62 | |
TWIM1_Handler, // 63 | |
TWIS1_Handler, // 64 | |
USART0_Handler, // 65 | |
USART1_Handler, // 66 | |
USART2_Handler, // 67 | |
USART3_Handler, // 68 | |
ADCIFE_Handler, // 69 | |
DACC_Handler, // 70 | |
ACIFC_Handler, // 71 | |
ABDACB_Handler, // 72 | |
TRNG_Handler, // 73 | |
PARC_Handler, // 74 | |
CATB_Handler, // 75 | |
Dummy_Handler, // one not used | |
TWIM2_Handler, // 77 | |
TWIM3_Handler, // 78 | |
LCDCA_Handler // 79 | |
}; | |
/** | |
* \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); | |
/* Initialize the C library */ | |
__libc_init_array(); | |
/* Branch to main function */ | |
main(); | |
/* Infinite loop */ | |
while (1); | |
} |