diff options
Diffstat (limited to 'lib/cmsis-sam4e/gcc/gcc/startup_sam4e.c')
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/startup_sam4e.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/lib/cmsis-sam4e/gcc/gcc/startup_sam4e.c b/lib/cmsis-sam4e/gcc/gcc/startup_sam4e.c new file mode 100644 index 00000000..fa6b305b --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/startup_sam4e.c @@ -0,0 +1,217 @@ +/* ---------------------------------------------------------------------------- */ +/* 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 "sam4e.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-M4 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 EFC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UART0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOA_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOD_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOE_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void USART0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void USART1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +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 SPI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void DMAC_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"))); +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"))); +void AFEC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void AFEC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void DACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void ACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void ARM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UDP_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PWM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void CAN0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void CAN1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void AES_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void GMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UART1_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*) 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/Dual Watchdog Timer */ + (void*) PMC_Handler, /* 5 Power Management Controller */ + (void*) EFC_Handler, /* 6 Enhanced Embedded Flash Controller */ + (void*) UART0_Handler, /* 7 UART 0 */ + (void*) PIOA_Handler, /* 9 Parallel I/O Controller A */ + (void*) PIOB_Handler, /* 10 Parallel I/O Controller B */ + (void*) PIOC_Handler, /* 11 Parallel I/O Controller C */ + (void*) PIOD_Handler, /* 12 Parallel I/O Controller D */ + (void*) PIOE_Handler, /* 13 Parallel I/O Controller E */ + (void*) USART0_Handler, /* 14 USART 0 */ + (void*) USART1_Handler, /* 15 USART 1 */ + (void*) HSMCI_Handler, /* 16 Multimedia Card Interface */ + (void*) TWI0_Handler, /* 17 Two Wire Interface 0 */ + (void*) TWI1_Handler, /* 18 Two Wire Interface 1 */ + (void*) SPI_Handler, /* 19 Serial Peripheral Interface */ + (void*) DMAC_Handler, /* 20 DMAC */ + (void*) TC0_Handler, /* 21 Timer/Counter 0 */ + (void*) TC1_Handler, /* 22 Timer/Counter 1 */ + (void*) TC2_Handler, /* 23 Timer/Counter 2 */ + (void*) TC3_Handler, /* 24 Timer/Counter 3 */ + (void*) TC4_Handler, /* 25 Timer/Counter 4 */ + (void*) TC5_Handler, /* 26 Timer/Counter 5 */ + (void*) TC6_Handler, /* 27 Timer/Counter 6 */ + (void*) TC7_Handler, /* 28 Timer/Counter 7 */ + (void*) TC8_Handler, /* 29 Timer/Counter 8 */ + (void*) AFEC0_Handler, /* 30 Analog Front End 0 */ + (void*) AFEC1_Handler, /* 31 Analog Front End 1 */ + (void*) DACC_Handler, /* 32 Digital To Analog Converter */ + (void*) ACC_Handler, /* 33 Analog Comparator */ + (void*) ARM_Handler, /* 34 FPU signals : FPIXC, FPOFC, FPUFC, FPIOC, FPDZC, FPIDC, FPIXC */ + (void*) UDP_Handler, /* 35 USB DEVICE */ + (void*) PWM_Handler, /* 36 PWM */ + (void*) CAN0_Handler, /* 37 CAN0 */ + (void*) CAN1_Handler, /* 38 CAN1 */ + (void*) AES_Handler, /* 39 AES */ + (void*) GMAC_Handler, /* 44 EMAC */ + (void*) UART1_Handler /* 45 UART */ +}; + +/** + * \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) { + } +} |