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klipper-dgus/lib/cmsis-sam3x8e/source/gcc/startup_sam3xa.c

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/* ----------------------------------------------------------------------------
* 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) {
}
}
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