Lancaster University's (short term!) clone of mbed-src for micro:bit. This is a copy of the github branch https://github.com/lancaster-university/mbed-classic
Fork of mbed-src by
targets/cmsis/TARGET_Atmel/TARGET_SAM21/TARGET_SAMR21G18A/TOOLCHAIN_GCC_ARM/startup_samr21.c
- Committer:
- mbed_official
- Date:
- 2015-07-17
- Revision:
- 592:a274ee790e56
- Parent:
- 579:53297373a894
File content as of revision 592:a274ee790e56:
#include "samr21g18a.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 NMI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); void HardFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); void SVC_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 PM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); void SYSCTRL_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); 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 NVMCTRL_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); void DMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #ifdef USB_IRQn void USB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #endif 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"))); void SERCOM3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #ifdef SERCOM4_IRQn void SERCOM4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #endif #ifdef SERCOM5_IRQn void SERCOM5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #endif void TCC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); void TCC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); void TCC2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); void TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #ifdef TC6_IRQn void TC6_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #endif #ifdef TC7_IRQn void TC7_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #endif #ifdef ADC_IRQn void ADC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #endif #ifdef AC_IRQn void AC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #endif #ifdef DAC_IRQn void DAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #endif #ifdef PTC_IRQn void PTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); #endif void I2S_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); /* 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*) (0UL), /* Reserved */ (void*) (0UL), /* Reserved */ (void*) (0UL), /* Reserved */ (void*) (0UL), /* Reserved */ (void*) (0UL), /* Reserved */ (void*) (0UL), /* Reserved */ (void*) (0UL), /* Reserved */ (void*) SVC_Handler, (void*) (0UL), /* Reserved */ (void*) (0UL), /* Reserved */ (void*) PendSV_Handler, (void*) SysTick_Handler, /* Configurable interrupts */ (void*) PM_Handler, /* 0 Power Manager */ (void*) SYSCTRL_Handler, /* 1 System Control */ (void*) WDT_Handler, /* 2 Watchdog Timer */ (void*) RTC_Handler, /* 3 Real-Time Counter */ (void*) EIC_Handler, /* 4 External Interrupt Controller */ (void*) NVMCTRL_Handler, /* 5 Non-Volatile Memory Controller */ (void*) DMAC_Handler, /* 6 Direct Memory Access Controller */ #ifdef USB_IRQn (void*) USB_Handler, /* 7 Universal Serial Bus */ #else (void*) (0UL), /* Reserved */ #endif (void*) EVSYS_Handler, /* 8 Event System Interface */ (void*) SERCOM0_Handler, /* 9 Serial Communication Interface 0 */ (void*) SERCOM1_Handler, /* 10 Serial Communication Interface 1 */ (void*) SERCOM2_Handler, /* 11 Serial Communication Interface 2 */ (void*) SERCOM3_Handler, /* 12 Serial Communication Interface 3 */ #ifdef SERCOM4_IRQn (void*) SERCOM4_Handler, /* 13 Serial Communication Interface 4 */ #else (void*) (0UL), /* Reserved */ #endif #ifdef SERCOM5_IRQn (void*) SERCOM5_Handler, /* 14 Serial Communication Interface 5 */ #else (void*) (0UL), /* Reserved */ #endif (void*) TCC0_Handler, /* 15 Timer Counter Control 0 */ (void*) TCC1_Handler, /* 16 Timer Counter Control 1 */ (void*) TCC2_Handler, /* 17 Timer Counter Control 2 */ (void*) TC3_Handler, /* 18 Basic Timer Counter 0 */ (void*) TC4_Handler, /* 19 Basic Timer Counter 1 */ (void*) TC5_Handler, /* 20 Basic Timer Counter 2 */ #ifdef TC6_IRQn (void*) TC6_Handler, /* 21 Basic Timer Counter 3 */ #else (void*) (0UL), /* Reserved */ #endif #ifdef TC7_IRQn (void*) TC7_Handler, /* 22 Basic Timer Counter 4 */ #else (void*) (0UL), /* Reserved */ #endif #ifdef ADC_IRQn (void*) ADC_Handler, /* 23 Analog Digital Converter */ #else (void*) (0UL), /* Reserved */ #endif #ifdef AC_IRQn (void*) AC_Handler, /* 24 Analog Comparators */ #else (void*) (0UL), /* Reserved */ #endif #ifdef DAC_IRQn (void*) DAC_Handler, /* 25 Digital Analog Converter */ #else (void*) (0UL), /* Reserved */ #endif #ifdef PTC_IRQn (void*) PTC_Handler, /* 26 Peripheral Touch Controller */ #else (void*) (0UL), /* Reserved */ #endif (void*) I2S_Handler /* 27 Inter-IC Sound Interface */ }; /** * \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) { } }