diff options
Diffstat (limited to 'lib/cmsis-sam3x8e/source/gcc/startup_sam3xa.c')
| -rw-r--r-- | lib/cmsis-sam3x8e/source/gcc/startup_sam3xa.c | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/lib/cmsis-sam3x8e/source/gcc/startup_sam3xa.c b/lib/cmsis-sam3x8e/source/gcc/startup_sam3xa.c new file mode 100644 index 00000000..1f61b079 --- /dev/null +++ b/lib/cmsis-sam3x8e/source/gcc/startup_sam3xa.c @@ -0,0 +1,295 @@ +/* ---------------------------------------------------------------------------- + * SAM Software Package License + * ---------------------------------------------------------------------------- + * Copyright (c) 2012, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following condition is met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: 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 + * 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. + * ---------------------------------------------------------------------------- + */ + +#include "sam3xa.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 */ + +// Arduino: we must setup hardware before doing this +// void __libc_init_array(void); + +/* Default empty handler */ +void Dummy_Handler(void); + +/* Cortex-M3 core handlers */ +void NMI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void HardFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void MemManage_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void BusFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UsageFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SVC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void DebugMon_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 SUPC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void RSTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void RTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void RTT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void WDT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PMC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void EFC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void EFC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UART_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#ifdef _SAM3XA_SMC_INSTANCE_ +void SMC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_SMC_INSTANCE_ */ +#ifdef _SAM3XA_SDRAMC_INSTANCE_ +void SDRAMC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_SDRAMC_INSTANCE_ */ +void PIOA_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#ifdef _SAM3XA_PIOC_INSTANCE_ +void PIOC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_PIOC_INSTANCE_ */ +#ifdef _SAM3XA_PIOD_INSTANCE_ +void PIOD_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_PIOD_INSTANCE_ */ +#ifdef _SAM3XA_PIOE_INSTANCE_ +void PIOE_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_PIOE_INSTANCE_ */ +#ifdef _SAM3XA_PIOF_INSTANCE_ +void PIOF_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_PIOF_INSTANCE_ */ +void USART0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void USART1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void USART2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#ifdef _SAM3XA_USART3_INSTANCE_ +void USART3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_USART3_INSTANCE_ */ +void HSMCI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TWI0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TWI1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SPI0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#ifdef _SAM3XA_SPI1_INSTANCE_ +void SPI1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_SPI1_INSTANCE_ */ +void SSC_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 TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#ifdef _SAM3XA_TC2_INSTANCE_ +void TC6_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC7_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC8_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_TC2_INSTANCE_ */ +void PWM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void ADC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void DACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void DMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UOTGHS_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TRNG_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#ifdef _SAM3XA_EMAC_INSTANCE_ +void EMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_EMAC_INSTANCE_ */ +void CAN0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void CAN1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); + +/* Exception Table */ +__attribute__ ((section(".vectors"))) __attribute__((externally_visible)) +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 Timer */ + (void*) PMC_Handler, /* 5 PMC */ + (void*) EFC0_Handler, /* 6 EFC 0 */ + (void*) EFC1_Handler, /* 7 EFC 1 */ + (void*) UART_Handler, /* 8 UART */ +#ifdef _SAM3XA_SMC_INSTANCE_ + (void*) SMC_Handler, /* 9 SMC */ +#else + (void*) (0UL), /* 9 Reserved */ +#endif /* _SAM3XA_SMC_INSTANCE_ */ +#ifdef _SAM3XA_SDRAMC_INSTANCE_ + (void*) SDRAMC_Handler, /* 10 SDRAMC */ +#else + (void*) (0UL), /* 10 Reserved */ +#endif /* _SAM3XA_SDRAMC_INSTANCE_ */ + (void*) PIOA_Handler, /* 11 Parallel IO Controller A */ + (void*) PIOB_Handler, /* 12 Parallel IO Controller B */ +#ifdef _SAM3XA_PIOC_INSTANCE_ + (void*) PIOC_Handler, /* 13 Parallel IO Controller C */ +#else + (void*) (0UL), /* 13 Reserved */ +#endif /* _SAM3XA_PIOC_INSTANCE_ */ +#ifdef _SAM3XA_PIOD_INSTANCE_ + (void*) PIOD_Handler, /* 14 Parallel IO Controller D */ +#else + (void*) (0UL), /* 14 Reserved */ +#endif /* _SAM3XA_PIOD_INSTANCE_ */ +#ifdef _SAM3XA_PIOE_INSTANCE_ + (void*) PIOE_Handler, /* 15 Parallel IO Controller E */ +#else + (void*) (0UL), /* 15 Reserved */ +#endif /* _SAM3XA_PIOE_INSTANCE_ */ +#ifdef _SAM3XA_PIOF_INSTANCE_ + (void*) PIOF_Handler, /* 16 Parallel IO Controller F */ +#else + (void*) (0UL), /* 16 Reserved */ +#endif /* _SAM3XA_PIOF_INSTANCE_ */ + (void*) USART0_Handler, /* 17 USART 0 */ + (void*) USART1_Handler, /* 18 USART 1 */ + (void*) USART2_Handler, /* 19 USART 2 */ +#ifdef _SAM3XA_USART3_INSTANCE_ + (void*) USART3_Handler, /* 20 USART 3 */ +#else + (void*) (0UL), /* 20 Reserved */ +#endif /* _SAM3XA_USART3_INSTANCE_ */ + (void*) HSMCI_Handler, /* 21 MCI */ + (void*) TWI0_Handler, /* 22 TWI 0 */ + (void*) TWI1_Handler, /* 23 TWI 1 */ + (void*) SPI0_Handler, /* 24 SPI 0 */ +#ifdef _SAM3XA_SPI1_INSTANCE_ + (void*) SPI1_Handler, /* 25 SPI 1 */ +#else + (void*) (0UL), /* 25 Reserved */ +#endif /* _SAM3XA_SPI1_INSTANCE_ */ + (void*) SSC_Handler, /* 26 SSC */ + (void*) TC0_Handler, /* 27 Timer Counter 0 */ + (void*) TC1_Handler, /* 28 Timer Counter 1 */ + (void*) TC2_Handler, /* 29 Timer Counter 2 */ + (void*) TC3_Handler, /* 30 Timer Counter 3 */ + (void*) TC4_Handler, /* 31 Timer Counter 4 */ + (void*) TC5_Handler, /* 32 Timer Counter 5 */ +#ifdef _SAM3XA_TC2_INSTANCE_ + (void*) TC6_Handler, /* 33 Timer Counter 6 */ + (void*) TC7_Handler, /* 34 Timer Counter 7 */ + (void*) TC8_Handler, /* 35 Timer Counter 8 */ +#else + (void*) (0UL), /* 33 Reserved */ + (void*) (0UL), /* 34 Reserved */ + (void*) (0UL), /* 35 Reserved */ +#endif /* _SAM3XA_TC2_INSTANCE_ */ + (void*) PWM_Handler, /* 36 PWM */ + (void*) ADC_Handler, /* 37 ADC controller */ + (void*) DACC_Handler, /* 38 DAC controller */ + (void*) DMAC_Handler, /* 39 DMA Controller */ + (void*) UOTGHS_Handler, /* 40 USB OTG High Speed */ + (void*) TRNG_Handler, /* 41 True Random Number Generator */ +#ifdef _SAM3XA_EMAC_INSTANCE_ + (void*) EMAC_Handler, /* 42 Ethernet MAC */ +#else + (void*) (0UL), /* 42 Reserved */ +#endif /* _SAM3XA_EMAC_INSTANCE_ */ + (void*) CAN0_Handler, /* 43 CAN Controller 0 */ + (void*) CAN1_Handler /* 44 CAN Controller 1 */ +}; + +/** + * \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 (((uint32_t) pSrc >= IRAM0_ADDR) && ((uint32_t) pSrc < NFC_RAM_ADDR)) { + SCB->VTOR |= (1UL) << SCB_VTOR_TBLBASE_Pos; + } + + /* Initialize the C library */ + + // Arduino: we must setup hardware before doing this + //__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) { + } +} + |