mirror of
https://github.com/QuantumLeaps/qpc.git
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307 lines
16 KiB
C
307 lines
16 KiB
C
/*****************************************************************************
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* Purpose: CMSIS-compliant startup code for LM3S Cortex-M3 devices, GNU-ARM
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* Last Updated for Version: 5.2.0
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* Date of the Last Update: Dec 24, 2013
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*
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* Q u a n t u m L e a P s
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* ---------------------------
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* innovating embedded systems
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*
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* Copyright (C) 2002-2013 Quantum Leaps, LLC. All rights reserved.
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*
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* This program is open source software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alternatively, this program may be distributed and modified under the
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* terms of Quantum Leaps commercial licenses, which expressly supersede
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* the GNU General Public License and are specifically designed for
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* licensees interested in retaining the proprietary status of their code.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Contact information:
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* Quantum Leaps Web sites: http://www.quantum-leaps.com
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* http://www.state-machine.com
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* e-mail: info@quantum-leaps.com
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*****************************************************************************/
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/* Function prototypes -----------------------------------------------------*/
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void Reset_Handler(void);
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void NMI_Handler(void);
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void HardFault_Handler(void);
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void MemManage_Handler(void);
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void BusFault_Handler(void);
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void UsageFault_Handler(void);
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void HardFault_Handler(void);
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void Spurious_Handler(void);
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void assert_failed(char const *file, int line); /* defined in the BSP */
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/*----------------------------------------------------------------------------
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* weak aliases for each Exception handler to the Spurious_Handler.
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* Any function with the same name will override these definitions.
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*/
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__attribute__ ((weak)) void SVC_Handler(void);
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__attribute__ ((weak)) void DebugMon_Handler(void);
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__attribute__ ((weak)) void PendSV_Handler(void);
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__attribute__ ((weak)) void SysTick_Handler(void);
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__attribute__ ((weak)) void Spurious_Handler(void);
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/* external interrupts... */
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__attribute__ ((weak)) void GPIOPortA_IRQHandler(void);
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__attribute__ ((weak)) void GPIOPortB_IRQHandler(void);
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__attribute__ ((weak)) void GPIOPortC_IRQHandler(void);
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__attribute__ ((weak)) void GPIOPortD_IRQHandler(void);
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__attribute__ ((weak)) void GPIOPortE_IRQHandler(void);
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__attribute__ ((weak)) void UART0_IRQHandler(void);
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__attribute__ ((weak)) void UART1_IRQHandler(void);
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__attribute__ ((weak)) void SSI0_IRQHandler(void);
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__attribute__ ((weak)) void I2C0_IRQHandler(void);
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__attribute__ ((weak)) void PWMFault_IRQHandler(void);
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__attribute__ ((weak)) void PWMGen0_IRQHandler(void);
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__attribute__ ((weak)) void PWMGen1_IRQHandler(void);
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__attribute__ ((weak)) void PWMGen2_IRQHandler(void);
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__attribute__ ((weak)) void QEI0_IRQHandler(void);
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__attribute__ ((weak)) void ADCSeq0_IRQHandler(void);
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__attribute__ ((weak)) void ADCSeq1_IRQHandler(void);
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__attribute__ ((weak)) void ADCSeq2_IRQHandler(void);
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__attribute__ ((weak)) void ADCSeq3_IRQHandler(void);
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__attribute__ ((weak)) void Watchdog_IRQHandler(void);
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__attribute__ ((weak)) void Timer0A_IRQHandler(void);
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__attribute__ ((weak)) void Timer0B_IRQHandler(void);
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__attribute__ ((weak)) void Timer1A_IRQHandler(void);
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__attribute__ ((weak)) void Timer1B_IRQHandler(void);
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__attribute__ ((weak)) void Timer2A_IRQHandler(void);
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__attribute__ ((weak)) void Timer2B_IRQHandler(void);
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__attribute__ ((weak)) void Comp0_IRQHandler(void);
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__attribute__ ((weak)) void Comp1_IRQHandler(void);
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__attribute__ ((weak)) void Comp2_IRQHandler(void);
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__attribute__ ((weak)) void SysCtrl_IRQHandler(void);
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__attribute__ ((weak)) void FlashCtrl_IRQHandler(void);
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__attribute__ ((weak)) void GPIOPortF_IRQHandler(void);
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__attribute__ ((weak)) void GPIOPortG_IRQHandler(void);
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__attribute__ ((weak)) void GPIOPortH_IRQHandler(void);
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__attribute__ ((weak)) void UART2_IRQHandler(void);
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__attribute__ ((weak)) void SSI1_IRQHandler(void);
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__attribute__ ((weak)) void Timer3A_IRQHandler(void);
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__attribute__ ((weak)) void Timer3B_IRQHandler(void);
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__attribute__ ((weak)) void I2C1_IRQHandler(void);
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__attribute__ ((weak)) void QEI1_IRQHandler(void);
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__attribute__ ((weak)) void CAN0_IRQHandler(void);
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__attribute__ ((weak)) void CAN1_IRQHandler(void);
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__attribute__ ((weak)) void CAN2_IRQHandler(void);
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__attribute__ ((weak)) void Ethernet_IRQHandler(void);
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__attribute__ ((weak)) void Hibernate_IRQHandler(void);
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/*----------------------------------------------------------------------------
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* weak aliases for each Exception handler to the Spurious_Handler.
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* Any function with the same name will override these definitions.
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*/
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#pragma weak SVC_Handler = Spurious_Handler
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#pragma weak DebugMon_Handler = Spurious_Handler
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#pragma weak PendSV_Handler = Spurious_Handler
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#pragma weak SysTick_Handler = Spurious_Handler
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#pragma weak GPIOPortA_IRQHandler = Spurious_Handler
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#pragma weak GPIOPortB_IRQHandler = Spurious_Handler
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#pragma weak GPIOPortC_IRQHandler = Spurious_Handler
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#pragma weak GPIOPortD_IRQHandler = Spurious_Handler
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#pragma weak GPIOPortE_IRQHandler = Spurious_Handler
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#pragma weak UART0_IRQHandler = Spurious_Handler
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#pragma weak UART1_IRQHandler = Spurious_Handler
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#pragma weak SSI0_IRQHandler = Spurious_Handler
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#pragma weak I2C0_IRQHandler = Spurious_Handler
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#pragma weak PWMFault_IRQHandler = Spurious_Handler
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#pragma weak PWMGen0_IRQHandler = Spurious_Handler
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#pragma weak PWMGen1_IRQHandler = Spurious_Handler
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#pragma weak PWMGen2_IRQHandler = Spurious_Handler
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#pragma weak QEI0_IRQHandler = Spurious_Handler
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#pragma weak ADCSeq0_IRQHandler = Spurious_Handler
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#pragma weak ADCSeq1_IRQHandler = Spurious_Handler
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#pragma weak ADCSeq2_IRQHandler = Spurious_Handler
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#pragma weak ADCSeq3_IRQHandler = Spurious_Handler
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#pragma weak Watchdog_IRQHandler = Spurious_Handler
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#pragma weak Timer0A_IRQHandler = Spurious_Handler
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#pragma weak Timer0B_IRQHandler = Spurious_Handler
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#pragma weak Timer1A_IRQHandler = Spurious_Handler
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#pragma weak Timer1B_IRQHandler = Spurious_Handler
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#pragma weak Timer2A_IRQHandler = Spurious_Handler
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#pragma weak Timer2B_IRQHandler = Spurious_Handler
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#pragma weak Comp0_IRQHandler = Spurious_Handler
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#pragma weak Comp1_IRQHandler = Spurious_Handler
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#pragma weak Comp2_IRQHandler = Spurious_Handler
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#pragma weak SysCtrl_IRQHandler = Spurious_Handler
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#pragma weak FlashCtrl_IRQHandler = Spurious_Handler
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#pragma weak GPIOPortF_IRQHandler = Spurious_Handler
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#pragma weak GPIOPortG_IRQHandler = Spurious_Handler
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#pragma weak GPIOPortH_IRQHandler = Spurious_Handler
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#pragma weak UART2_IRQHandler = Spurious_Handler
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#pragma weak SSI1_IRQHandler = Spurious_Handler
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#pragma weak Timer3A_IRQHandler = Spurious_Handler
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#pragma weak Timer3B_IRQHandler = Spurious_Handler
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#pragma weak I2C1_IRQHandler = Spurious_Handler
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#pragma weak QEI1_IRQHandler = Spurious_Handler
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#pragma weak CAN0_IRQHandler = Spurious_Handler
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#pragma weak CAN1_IRQHandler = Spurious_Handler
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#pragma weak CAN2_IRQHandler = Spurious_Handler
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#pragma weak Ethernet_IRQHandler = Spurious_Handler
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#pragma weak Hibernate_IRQHandler = Spurious_Handler
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/* start and end of stack defined in the linker script ---------------------*/
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extern unsigned __stack_start__;
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extern unsigned __stack_end__;
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/* exception and interrupt vector table ------------------------------------*/
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typedef union VectorTableEntryTag {
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void *pointer; /* used only to initialize the stack top */
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void (*handler)(void); /* used for all exception and interrupt handlers */
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} VectorTableEntry;
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/*..........................................................................*/
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__attribute__ ((section(".isr_vector")))
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VectorTableEntry const g_pfnVectors[] = {
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{ .pointer = &__stack_end__ }, /* initial stack pointer */
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{ .handler = &Reset_Handler }, /* Reset Handler */
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{ .handler = &NMI_Handler }, /* NMI Handler */
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{ .handler = &HardFault_Handler }, /* Hard Fault Handler */
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{ .handler = &MemManage_Handler }, /* MPU Fault Handler */
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{ .handler = &BusFault_Handler }, /* Bus Fault Handler */
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{ .handler = &UsageFault_Handler }, /* Usage Fault Handler */
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{ .handler = &Spurious_Handler }, /* Reserved */
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{ .handler = &Spurious_Handler }, /* Reserved */
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{ .handler = &Spurious_Handler }, /* Reserved */
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{ .handler = &Spurious_Handler }, /* Reserved */
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{ .handler = &SVC_Handler }, /* SVCall Handler */
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{ .handler = &DebugMon_Handler }, /* Debug Monitor Handler */
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{ .handler = &Spurious_Handler }, /* Reserved */
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{ .handler = &PendSV_Handler }, /* PendSV Handler */
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{ .handler = &SysTick_Handler }, /* SysTick Handler */
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/* external interrupts (IRQs) ... */
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{ .handler = &GPIOPortA_IRQHandler }, /* GPIO Port A */
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{ .handler = &GPIOPortB_IRQHandler }, /* GPIO Port B */
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{ .handler = &GPIOPortC_IRQHandler }, /* GPIO Port C */
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{ .handler = &GPIOPortD_IRQHandler }, /* GPIO Port D */
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{ .handler = &GPIOPortE_IRQHandler }, /* GPIO Port E */
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{ .handler = &UART0_IRQHandler }, /* UART0 Rx and Tx */
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{ .handler = &UART1_IRQHandler }, /* UART1 Rx and Tx */
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{ .handler = &SSI0_IRQHandler }, /* SSI0 Rx and Tx */
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{ .handler = &I2C0_IRQHandler }, /* I2C0 Master and Slave */
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{ .handler = &PWMFault_IRQHandler }, /* PWM Fault */
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{ .handler = &PWMGen0_IRQHandler }, /* PWM Generator 0 */
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{ .handler = &PWMGen1_IRQHandler }, /* PWM Generator 1 */
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{ .handler = &PWMGen2_IRQHandler }, /* PWM Generator 2 */
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{ .handler = &QEI0_IRQHandler }, /* Quadrature Encoder 0 */
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{ .handler = &ADCSeq0_IRQHandler }, /* ADC Sequence 0 */
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{ .handler = &ADCSeq1_IRQHandler }, /* ADC Sequence 1 */
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{ .handler = &ADCSeq2_IRQHandler }, /* ADC Sequence 2 */
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{ .handler = &ADCSeq3_IRQHandler }, /* ADC Sequence 3 */
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{ .handler = &Watchdog_IRQHandler }, /* Watchdog timer */
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{ .handler = &Timer0A_IRQHandler }, /* Timer 0 subtimer A */
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{ .handler = &Timer0B_IRQHandler }, /* Timer 0 subtimer B */
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{ .handler = &Timer1A_IRQHandler }, /* Timer 1 subtimer A */
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{ .handler = &Timer1B_IRQHandler }, /* Timer 1 subtimer B */
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{ .handler = &Timer2A_IRQHandler }, /* Timer 2 subtimer A */
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{ .handler = &Timer2B_IRQHandler }, /* Timer 2 subtimer B */
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{ .handler = &Comp0_IRQHandler }, /* Analog Comparator 0 */
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{ .handler = &Comp1_IRQHandler }, /* Analog Comparator 1 */
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{ .handler = &Comp2_IRQHandler }, /* Analog Comparator 2 */
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{ .handler = &SysCtrl_IRQHandler }, /* System Control (PLL,OSC,BO) */
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{ .handler = &FlashCtrl_IRQHandler }, /* FLASH Control */
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{ .handler = &GPIOPortF_IRQHandler }, /* GPIO Port F */
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{ .handler = &GPIOPortG_IRQHandler }, /* GPIO Port G */
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{ .handler = &GPIOPortH_IRQHandler }, /* GPIO Port H */
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{ .handler = &UART2_IRQHandler }, /* UART2 Rx and Tx */
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{ .handler = &SSI1_IRQHandler }, /* SSI1 Rx and Tx */
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{ .handler = &Timer3A_IRQHandler }, /* Timer 3 subtimer A */
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{ .handler = &Timer3B_IRQHandler }, /* Timer 3 subtimer B */
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{ .handler = &I2C1_IRQHandler }, /* I2C1 Master and Slave */
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{ .handler = &QEI1_IRQHandler }, /* Quadrature Encoder 1 */
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{ .handler = &CAN0_IRQHandler }, /* CAN0 */
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{ .handler = &CAN1_IRQHandler }, /* CAN1 */
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{ .handler = &CAN2_IRQHandler }, /* CAN2 */
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{ .handler = &Ethernet_IRQHandler }, /* Ethernet */
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{ .handler = &Hibernate_IRQHandler }, /* Hibernate */
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};
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/* exception handlers ------------------------------------------------------*/
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__attribute__((naked)) void Reset_Handler(void);
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void Reset_Handler(void) {
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extern int main(void);
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extern int __libc_init_array(void);
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extern unsigned __data_start; /* start of .data in the linker script */
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extern unsigned __data_end__; /* end of .data in the linker script */
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extern unsigned const __data_load; /* initialization values for .data */
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extern unsigned __bss_start__; /* start of .bss in the linker script */
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extern unsigned __bss_end__; /* end of .bss in the linker script */
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unsigned const *src;
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unsigned *dst;
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/* copy the data segment initializers from flash to RAM... */
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src = &__data_load;
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for (dst = &__data_start; dst < &__data_end__; ++dst, ++src) {
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*dst = *src;
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}
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/* zero fill the .bss segment... */
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for (dst = &__bss_start__; dst < &__bss_end__; ++dst) {
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*dst = 0;
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}
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/* call all static construcors in C++ (harmless in C programs) */
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__libc_init_array();
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(void)main(); /* application's entry point, which should never return! */
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}
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/*..........................................................................*/
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__attribute__((naked)) void NMI_Handler(void);
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void NMI_Handler(void) {
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assert_failed("NMI", __LINE__); /* should never return! */
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}
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/*..........................................................................*/
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__attribute__((naked)) void MemManage_Handler(void);
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void MemManage_Handler(void) {
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assert_failed("MemManage", __LINE__); /* should never return! */
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}
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/*..........................................................................*/
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__attribute__((naked)) void HardFault_Handler(void);
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void HardFault_Handler(void) {
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unsigned old_sp;
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__asm volatile ("mov %0,sp" : "=r" (old_sp));
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if (old_sp < (unsigned)&__stack_start__) { /* stack overflow? */
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unsigned new_sp = (unsigned)&__stack_end__;
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__asm volatile ("mov sp,%0" :: "r" (new_sp));
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assert_failed("StackOverflow", old_sp); /* should never return! */
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}
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else {
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assert_failed("HardFault", __LINE__); /* should never return! */
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}
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}
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/*..........................................................................*/
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__attribute__((naked)) void BusFault_Handler(void);
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void BusFault_Handler(void) {
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assert_failed("BusFault", __LINE__); /* should never return! */
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}
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/*..........................................................................*/
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__attribute__((naked)) void UsageFault_Handler(void);
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void UsageFault_Handler(void) {
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assert_failed("UsageFault", __LINE__); /* should never return! */
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}
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/*..........................................................................*/
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__attribute__((naked)) void Spurious_Handler(void);
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void Spurious_Handler(void) {
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assert_failed("Spurious", __LINE__); /* should never return! */
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}
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/*..........................................................................*/
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void _init() {
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}
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