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/**
* \file
*
* \brief gcc starttup file for SAML22
*
* Copyright (c) 2018 Microchip Technology Inc.
*
* \asf_license_start
*
* \page License
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the Licence at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* \asf_license_stop
*
*/
#include "saml22.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);
/* Default empty handler */
void Dummy_Handler(void);
/* Cortex-M0+ core handlers */
void NonMaskableInt_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void HardFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void SVCall_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void PendSV_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void SysTick_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
/* Peripherals handlers */
void SYSTEM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); /* MCLK, OSC32KCTRL, OSCCTRL, PAC, PM, SUPC, TAL */
void WDT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void RTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void EIC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void FREQM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#ifdef ID_USB
void USB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#endif
void NVMCTRL_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void DMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void EVSYS_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void SERCOM0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void SERCOM1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void SERCOM2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#ifdef ID_SERCOM3
void SERCOM3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#endif
#ifdef ID_SERCOM4
void SERCOM4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#endif
#ifdef ID_SERCOM5
void SERCOM5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#endif
void TCC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void TC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void TC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void TC2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void ADC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
void AC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#ifdef ID_PTC
void PTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#endif
void SLCD_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#ifdef ID_AES
void AES_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#endif
#ifdef ID_TRNG
void TRNG_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
#endif
/* Exception Table */
__attribute__ ((section(".vectors")))
const DeviceVectors exception_table = {
/* Configure Initial Stack Pointer, using linker-generated symbols */
.pvStack = (void*) (&_estack),
.pfnReset_Handler = (void*) Reset_Handler,
.pfnNonMaskableInt_Handler = (void*) NonMaskableInt_Handler,
.pfnHardFault_Handler = (void*) HardFault_Handler,
.pvReservedM12 = (void*) (0UL), /* Reserved */
.pvReservedM11 = (void*) (0UL), /* Reserved */
.pvReservedM10 = (void*) (0UL), /* Reserved */
.pvReservedM9 = (void*) (0UL), /* Reserved */
.pvReservedM8 = (void*) (0UL), /* Reserved */
.pvReservedM7 = (void*) (0UL), /* Reserved */
.pvReservedM6 = (void*) (0UL), /* Reserved */
.pfnSVCall_Handler = (void*) SVCall_Handler,
.pvReservedM4 = (void*) (0UL), /* Reserved */
.pvReservedM3 = (void*) (0UL), /* Reserved */
.pfnPendSV_Handler = (void*) PendSV_Handler,
.pfnSysTick_Handler = (void*) SysTick_Handler,
/* Configurable interrupts */
.pfnSYSTEM_Handler = (void*) SYSTEM_Handler, /* 0 Main Clock, 32k Oscillators Control, Oscillators Control, Peripheral Access Controller, Power Manager, Supply Controller, Trigger Allocator */
.pfnWDT_Handler = (void*) WDT_Handler, /* 1 Watchdog Timer */
.pfnRTC_Handler = (void*) RTC_Handler, /* 2 Real-Time Counter */
.pfnEIC_Handler = (void*) EIC_Handler, /* 3 External Interrupt Controller */
.pfnFREQM_Handler = (void*) FREQM_Handler, /* 4 Frequency Meter */
#ifdef ID_USB
.pfnUSB_Handler = (void*) USB_Handler, /* 5 Universal Serial Bus */
#else
.pvReserved5 = (void*) (0UL), /* 5 Reserved */
#endif
.pfnNVMCTRL_Handler = (void*) NVMCTRL_Handler, /* 6 Non-Volatile Memory Controller */
.pfnDMAC_Handler = (void*) DMAC_Handler, /* 7 Direct Memory Access Controller */
.pfnEVSYS_Handler = (void*) EVSYS_Handler, /* 8 Event System Interface */
.pfnSERCOM0_Handler = (void*) SERCOM0_Handler, /* 9 Serial Communication Interface 0 */
.pfnSERCOM1_Handler = (void*) SERCOM1_Handler, /* 10 Serial Communication Interface 1 */
.pfnSERCOM2_Handler = (void*) SERCOM2_Handler, /* 11 Serial Communication Interface 2 */
#ifdef ID_SERCOM3
.pfnSERCOM3_Handler = (void*) SERCOM3_Handler, /* 12 Serial Communication Interface 3 */
#else
.pvReserved12 = (void*) (0UL), /* 12 Reserved */
#endif
#ifdef ID_SERCOM4
.pfnSERCOM4_Handler = (void*) SERCOM4_Handler, /* 13 Serial Communication Interface 4 */
#else
.pvReserved13 = (void*) (0UL), /* 13 Reserved */
#endif
#ifdef ID_SERCOM5
.pfnSERCOM5_Handler = (void*) SERCOM5_Handler, /* 14 Serial Communication Interface 5 */
#else
.pvReserved14 = (void*) (0UL), /* 14 Reserved */
#endif
.pfnTCC0_Handler = (void*) TCC0_Handler, /* 15 Timer Counter Control */
.pfnTC0_Handler = (void*) TC0_Handler, /* 16 Basic Timer Counter 0 */
.pfnTC1_Handler = (void*) TC1_Handler, /* 17 Basic Timer Counter 1 */
.pfnTC2_Handler = (void*) TC2_Handler, /* 18 Basic Timer Counter 2 */
.pfnTC3_Handler = (void*) TC3_Handler, /* 19 Basic Timer Counter 3 */
.pfnADC_Handler = (void*) ADC_Handler, /* 20 Analog Digital Converter */
.pfnAC_Handler = (void*) AC_Handler, /* 21 Analog Comparators */
#ifdef ID_PTC
.pfnPTC_Handler = (void*) PTC_Handler, /* 22 Peripheral Touch Controller */
#else
.pvReserved22 = (void*) (0UL), /* 22 Reserved */
#endif
.pfnSLCD_Handler = (void*) SLCD_Handler, /* 23 Segment Liquid Crystal Display Controller */
#ifdef ID_AES
.pfnAES_Handler = (void*) AES_Handler, /* 24 Advanced Encryption Standard */
#else
.pvReserved24 = (void*) (0UL), /* 24 Reserved */
#endif
#ifdef ID_TRNG
.pfnTRNG_Handler = (void*) TRNG_Handler /* 25 True Random Generator */
#else
.pvReserved25 = (void*) (0UL) /* 25 Reserved */
#endif
};
/**
* \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);
}
/**
* \brief Default interrupt handler for unused IRQs.
*/
void Dummy_Handler(void)
{
while (1) {
}
}
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