From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- boards/zephyrRevA/board_cstartup_gnu.c | 152 +++++++++++++++++++++++++++++++++ 1 file changed, 152 insertions(+) create mode 100644 boards/zephyrRevA/board_cstartup_gnu.c (limited to 'boards/zephyrRevA/board_cstartup_gnu.c') diff --git a/boards/zephyrRevA/board_cstartup_gnu.c b/boards/zephyrRevA/board_cstartup_gnu.c new file mode 100644 index 0000000..894e67a --- /dev/null +++ b/boards/zephyrRevA/board_cstartup_gnu.c @@ -0,0 +1,152 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are 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. + * ---------------------------------------------------------------------------- + */ + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ +#include "board.h" +#include "exceptions.h" +#include "board_lowlevel.h" + +//------------------------------------------------------------------------------ +// External Variables +//------------------------------------------------------------------------------ + +// Stack top +extern unsigned int _estack; + +// Vector start address +extern unsigned int _vect_start; + +// Initialize segments +extern unsigned int _sfixed; +extern unsigned int _sfixed; +extern unsigned int _efixed; +extern unsigned int _srelocate; +extern unsigned int _erelocate; +extern unsigned int _szero; +extern unsigned int _ezero; + +//------------------------------------------------------------------------------ +// ProtoTypes +//------------------------------------------------------------------------------ + +extern int main(void); +void ResetException(void); + +//------------------------------------------------------------------------------ +// Exception Table +//------------------------------------------------------------------------------ + +__attribute__((section(".vectors"))) +IntFunc exception_table[] = { + + // Configure Initial Stack Pointer, using linker-generated symbols + (IntFunc)&_estack, + ResetException, + + NMI_Handler, + HardFault_Handler, + MemManage_Handler, + BusFault_Handler, + UsageFault_Handler, + 0, 0, 0, 0, // Reserved + SVC_Handler, + DebugMon_Handler, + 0, // Reserved + PendSV_Handler, + SysTick_Handler, + + // Configurable interrupts + SUPC_IrqHandler, // 0 SUPPLY CONTROLLER + RSTC_IrqHandler, // 1 RESET CONTROLLER + RTC_IrqHandler, // 2 REAL TIME CLOCK + RTT_IrqHandler, // 3 REAL TIME TIMER + WDT_IrqHandler, // 4 WATCHDOG TIMER + PMC_IrqHandler, // 5 PMC + EFC0_IrqHandler, // 6 EFC0 + EFC1_IrqHandler, // 7 EFC1 + DBGU_IrqHandler, // 8 DBGU + HSMC4_IrqHandler, // 9 HSMC4 + PIOA_IrqHandler, // 10 Parallel IO Controller A + PIOB_IrqHandler, // 11 Parallel IO Controller B + PIOC_IrqHandler, // 12 Parallel IO Controller C + USART0_IrqHandler, // 13 USART 0 + USART1_IrqHandler, // 14 USART 1 + USART2_IrqHandler, // 15 USART 2 + USART3_IrqHandler, // 16 USART 3 + MCI0_IrqHandler, // 17 Multimedia Card Interface + TWI0_IrqHandler, // 18 TWI 0 + TWI1_IrqHandler, // 19 TWI 1 + SPI0_IrqHandler, // 20 Serial Peripheral Interface + SSC0_IrqHandler, // 21 Serial Synchronous Controller 0 + TC0_IrqHandler, // 22 Timer Counter 0 + TC1_IrqHandler, // 23 Timer Counter 1 + TC2_IrqHandler, // 24 Timer Counter 2 + PWM_IrqHandler, // 25 Pulse Width Modulation Controller + ADCC0_IrqHandler, // 26 ADC controller0 + ADCC1_IrqHandler, // 27 ADC controller1 + HDMA_IrqHandler, // 28 HDMA + USB_IrqHandler, // 29 USB Device OTG High Speed + IrqHandlerNotUsed // 30 not used +}; + + +//------------------------------------------------------------------------------ +/// This is the code that gets called on processor reset. To initialize the +/// device. And call the main() routine. +//------------------------------------------------------------------------------ +void ResetException(void) +{ + unsigned int *pSrc, *pDest; + + LowLevelInit(); + + // Initialize data + pSrc = &_efixed; + pDest = &_srelocate; + if (pSrc != pDest) { + for(; pDest < &_erelocate;) { + + *pDest++ = *pSrc++; + } + } + + // Zero fill bss + for(pDest = &_szero; pDest < &_ezero;) { + + *pDest++ = 0; + } + + pSrc = (unsigned int *)&_sfixed; + + AT91C_BASE_NVIC->NVIC_VTOFFR = ((unsigned int)(pSrc)) | (0x0 << 7); + + main(); +} -- cgit v1.2.3