/** * \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) { } }