diff options
Diffstat (limited to 'lib/sam3x/gcc/gcc/startup_sam3xa.c')
| -rw-r--r-- | lib/sam3x/gcc/gcc/startup_sam3xa.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/lib/sam3x/gcc/gcc/startup_sam3xa.c b/lib/sam3x/gcc/gcc/startup_sam3xa.c new file mode 100644 index 00000000..337a6d3c --- /dev/null +++ b/lib/sam3x/gcc/gcc/startup_sam3xa.c @@ -0,0 +1,297 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, 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 */ + +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"))); +#endif /* _SAM3XA_TC2_INSTANCE_ */ +#ifdef _SAM3XA_TC2_INSTANCE_ +void TC7_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif /* _SAM3XA_TC2_INSTANCE_ */ +#ifdef _SAM3XA_TC2_INSTANCE_ +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"))) +const DeviceVectors exception_table = { + + /* Configure Initial Stack Pointer, using linker-generated symbols */ + .pvStack = (void*) (&_estack), + + .pfnReset_Handler = (void*) Reset_Handler, + .pfnNMI_Handler = (void*) NMI_Handler, + .pfnHardFault_Handler = (void*) HardFault_Handler, + .pfnMemManage_Handler = (void*) MemManage_Handler, + .pfnBusFault_Handler = (void*) BusFault_Handler, + .pfnUsageFault_Handler = (void*) UsageFault_Handler, + .pfnReserved1_Handler = (void*) (0UL), /* Reserved */ + .pfnReserved2_Handler = (void*) (0UL), /* Reserved */ + .pfnReserved3_Handler = (void*) (0UL), /* Reserved */ + .pfnReserved4_Handler = (void*) (0UL), /* Reserved */ + .pfnSVC_Handler = (void*) SVC_Handler, + .pfnDebugMon_Handler = (void*) DebugMon_Handler, + .pfnReserved5_Handler = (void*) (0UL), /* Reserved */ + .pfnPendSV_Handler = (void*) PendSV_Handler, + .pfnSysTick_Handler = (void*) SysTick_Handler, + + /* Configurable interrupts */ + .pfnSUPC_Handler = (void*) SUPC_Handler, /* 0 Supply Controller */ + .pfnRSTC_Handler = (void*) RSTC_Handler, /* 1 Reset Controller */ + .pfnRTC_Handler = (void*) RTC_Handler, /* 2 Real Time Clock */ + .pfnRTT_Handler = (void*) RTT_Handler, /* 3 Real Time Timer */ + .pfnWDT_Handler = (void*) WDT_Handler, /* 4 Watchdog Timer */ + .pfnPMC_Handler = (void*) PMC_Handler, /* 5 Power Management Controller */ + .pfnEFC0_Handler = (void*) EFC0_Handler, /* 6 Enhanced Flash Controller 0 */ + .pfnEFC1_Handler = (void*) EFC1_Handler, /* 7 Enhanced Flash Controller 1 */ + .pfnUART_Handler = (void*) UART_Handler, /* 8 Universal Asynchronous Receiver Transceiver */ +#ifdef _SAM3XA_SMC_INSTANCE_ + .pfnSMC_Handler = (void*) SMC_Handler, /* 9 Static Memory Controller */ +#else + .pvReserved9 = (void*) (0UL), /* 9 Reserved */ +#endif /* _SAM3XA_SMC_INSTANCE_ */ +#ifdef _SAM3XA_SDRAMC_INSTANCE_ + .pfnSDRAMC_Handler = (void*) SDRAMC_Handler, /* 10 Synchronous Dynamic RAM Controller */ +#else + .pvReserved10 = (void*) (0UL), /* 10 Reserved */ +#endif /* _SAM3XA_SDRAMC_INSTANCE_ */ + .pfnPIOA_Handler = (void*) PIOA_Handler, /* 11 Parallel I/O Controller A, */ + .pfnPIOB_Handler = (void*) PIOB_Handler, /* 12 Parallel I/O Controller B */ +#ifdef _SAM3XA_PIOC_INSTANCE_ + .pfnPIOC_Handler = (void*) PIOC_Handler, /* 13 Parallel I/O Controller C */ +#else + .pvReserved13 = (void*) (0UL), /* 13 Reserved */ +#endif /* _SAM3XA_PIOC_INSTANCE_ */ +#ifdef _SAM3XA_PIOD_INSTANCE_ + .pfnPIOD_Handler = (void*) PIOD_Handler, /* 14 Parallel I/O Controller D */ +#else + .pvReserved14 = (void*) (0UL), /* 14 Reserved */ +#endif /* _SAM3XA_PIOD_INSTANCE_ */ +#ifdef _SAM3XA_PIOE_INSTANCE_ + .pfnPIOE_Handler = (void*) PIOE_Handler, /* 15 Parallel I/O Controller E */ +#else + .pvReserved15 = (void*) (0UL), /* 15 Reserved */ +#endif /* _SAM3XA_PIOE_INSTANCE_ */ +#ifdef _SAM3XA_PIOF_INSTANCE_ + .pfnPIOF_Handler = (void*) PIOF_Handler, /* 16 Parallel I/O Controller F */ +#else + .pvReserved16 = (void*) (0UL), /* 16 Reserved */ +#endif /* _SAM3XA_PIOF_INSTANCE_ */ + .pfnUSART0_Handler = (void*) USART0_Handler, /* 17 USART 0 */ + .pfnUSART1_Handler = (void*) USART1_Handler, /* 18 USART 1 */ + .pfnUSART2_Handler = (void*) USART2_Handler, /* 19 USART 2 */ +#ifdef _SAM3XA_USART3_INSTANCE_ + .pfnUSART3_Handler = (void*) USART3_Handler, /* 20 USART 3 */ +#else + .pvReserved20 = (void*) (0UL), /* 20 Reserved */ +#endif /* _SAM3XA_USART3_INSTANCE_ */ + .pfnHSMCI_Handler = (void*) HSMCI_Handler, /* 21 Multimedia Card Interface */ + .pfnTWI0_Handler = (void*) TWI0_Handler, /* 22 Two-Wire Interface 0 */ + .pfnTWI1_Handler = (void*) TWI1_Handler, /* 23 Two-Wire Interface 1 */ + .pfnSPI0_Handler = (void*) SPI0_Handler, /* 24 Serial Peripheral Interface */ +#ifdef _SAM3XA_SPI1_INSTANCE_ + .pfnSPI1_Handler = (void*) SPI1_Handler, /* 25 Serial Peripheral Interface */ +#else + .pvReserved25 = (void*) (0UL), /* 25 Reserved */ +#endif /* _SAM3XA_SPI1_INSTANCE_ */ + .pfnSSC_Handler = (void*) SSC_Handler, /* 26 Synchronous Serial Controller */ + .pfnTC0_Handler = (void*) TC0_Handler, /* 27 Timer Counter 0 */ + .pfnTC1_Handler = (void*) TC1_Handler, /* 28 Timer Counter 1 */ + .pfnTC2_Handler = (void*) TC2_Handler, /* 29 Timer Counter 2 */ + .pfnTC3_Handler = (void*) TC3_Handler, /* 30 Timer Counter 3 */ + .pfnTC4_Handler = (void*) TC4_Handler, /* 31 Timer Counter 4 */ + .pfnTC5_Handler = (void*) TC5_Handler, /* 32 Timer Counter 5 */ +#ifdef _SAM3XA_TC2_INSTANCE_ + .pfnTC6_Handler = (void*) TC6_Handler, /* 33 Timer Counter 6 */ +#else + .pvReserved33 = (void*) (0UL), /* 33 Reserved */ +#endif /* _SAM3XA_TC2_INSTANCE_ */ +#ifdef _SAM3XA_TC2_INSTANCE_ + .pfnTC7_Handler = (void*) TC7_Handler, /* 34 Timer Counter 7 */ +#else + .pvReserved34 = (void*) (0UL), /* 34 Reserved */ +#endif /* _SAM3XA_TC2_INSTANCE_ */ +#ifdef _SAM3XA_TC2_INSTANCE_ + .pfnTC8_Handler = (void*) TC8_Handler, /* 35 Timer Counter 8 */ +#else + .pvReserved35 = (void*) (0UL), /* 35 Reserved */ +#endif /* _SAM3XA_TC2_INSTANCE_ */ + .pfnPWM_Handler = (void*) PWM_Handler, /* 36 Pulse Width Modulation Controller */ + .pfnADC_Handler = (void*) ADC_Handler, /* 37 ADC Controller */ + .pfnDACC_Handler = (void*) DACC_Handler, /* 38 DAC Controller */ + .pfnDMAC_Handler = (void*) DMAC_Handler, /* 39 DMA Controller */ + .pfnUOTGHS_Handler = (void*) UOTGHS_Handler, /* 40 USB OTG High Speed */ + .pfnTRNG_Handler = (void*) TRNG_Handler, /* 41 True Random Number Generator */ +#ifdef _SAM3XA_EMAC_INSTANCE_ + .pfnEMAC_Handler = (void*) EMAC_Handler, /* 42 Ethernet MAC */ +#else + .pvReserved42 = (void*) (0UL), /* 42 Reserved */ +#endif /* _SAM3XA_EMAC_INSTANCE_ */ + .pfnCAN0_Handler = (void*) CAN0_Handler, /* 43 CAN Controller 0 */ + .pfnCAN1_Handler = (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); + + /* 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) { + } +} |