; <<< Use Configuration Wizard in Context Menu >>> ;****************************************************************************** ; ; Startup.s - Startup code for Stellaris. ; ; Copyright (c) 2006-2008 Luminary Micro, Inc. All rights reserved. ; ; Software License Agreement ; ; Luminary Micro, Inc. (LMI) is supplying this software for use solely and ; exclusively on LMI's microcontroller products. ; ; The software is owned by LMI and/or its suppliers, and is protected under ; applicable copyright laws. All rights are reserved. You may not combine ; this software with "viral" open-source software in order to form a larger ; program. Any use in violation of the foregoing restrictions may subject ; the user to criminal sanctions under applicable laws, as well as to civil ; liability for the breach of the terms and conditions of this license. ; ; THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED ; OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF ; MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. ; LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR ; CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. ; ; This is part of revision 2523 of the Stellaris Peripheral Driver Library. ; ;****************************************************************************** ;****************************************************************************** ; ; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> ; ;****************************************************************************** Stack EQU 0x00000100 ;****************************************************************************** ; ; Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> ; ;****************************************************************************** Heap EQU 0x00000000 ;****************************************************************************** ; ; Allocate space for the stack. ; ;****************************************************************************** AREA STACK, NOINIT, READWRITE, ALIGN=3 StackMem SPACE Stack __initial_sp ;****************************************************************************** ; ; Allocate space for the heap. ; ;****************************************************************************** AREA HEAP, NOINIT, READWRITE, ALIGN=3 __heap_base HeapMem SPACE Heap __heap_limit IMPORT rt_hw_pend_sv IMPORT rt_hw_timer_handler IMPORT rt_hw_uart_isr_1 ;****************************************************************************** ; ; Indicate that the code in this file preserves 8-byte alignment of the stack. ; ;****************************************************************************** PRESERVE8 ;****************************************************************************** ; ; Place code into the reset code section. ; ;****************************************************************************** AREA RESET, CODE, READONLY THUMB ;****************************************************************************** ; ; The vector table. ; ;****************************************************************************** EXPORT __Vectors __Vectors DCD StackMem + Stack ; Top of Stack DCD Reset_Handler ; Reset Handler DCD NmiSR ; NMI Handler DCD FaultISR ; Hard Fault Handler DCD IntDefaultHandler ; MPU Fault Handler DCD IntDefaultHandler ; Bus Fault Handler DCD IntDefaultHandler ; Usage Fault Handler DCD 0 ; Reserved DCD 0 ; Reserved DCD 0 ; Reserved DCD 0 ; Reserved DCD IntDefaultHandler ; SVCall Handler DCD IntDefaultHandler ; Debug Monitor Handler DCD 0 ; Reserved DCD rt_hw_pend_sv ; PendSV Handler DCD rt_hw_timer_handler ; SysTick Handler DCD IntDefaultHandler ; GPIO Port A DCD IntDefaultHandler ; GPIO Port B DCD IntDefaultHandler ; GPIO Port C DCD IntDefaultHandler ; GPIO Port D DCD IntDefaultHandler ; GPIO Port E DCD rt_hw_uart_isr_1 ; UART0 DCD IntDefaultHandler ; UART1 DCD IntDefaultHandler ; SSI DCD IntDefaultHandler ; I2C DCD IntDefaultHandler ; PWM Fault DCD IntDefaultHandler ; PWM Generator 0 DCD IntDefaultHandler ; PWM Generator 1 DCD IntDefaultHandler ; PWM Generator 2 DCD IntDefaultHandler ; Quadrature Encoder DCD IntDefaultHandler ; ADC Sequence 0 DCD IntDefaultHandler ; ADC Sequence 1 DCD IntDefaultHandler ; ADC Sequence 2 DCD IntDefaultHandler ; ADC Sequence 3 DCD IntDefaultHandler ; Watchdog DCD IntDefaultHandler ; Timer 0A DCD IntDefaultHandler ; Timer 0B DCD IntDefaultHandler ; Timer 1A DCD IntDefaultHandler ; Timer 1B DCD IntDefaultHandler ; Timer 2A DCD IntDefaultHandler ; Timer 2B DCD IntDefaultHandler ; Comp 0 DCD IntDefaultHandler ; Comp 1 DCD IntDefaultHandler ; Comp 2 DCD IntDefaultHandler ; System Control DCD IntDefaultHandler ; Flash Control DCD IntDefaultHandler ; GPIO Port F DCD IntDefaultHandler ; GPIO Port G DCD IntDefaultHandler ; GPIO Port H DCD IntDefaultHandler ; UART2 Rx and Tx DCD IntDefaultHandler ; SSI1 Rx and Tx DCD IntDefaultHandler ; Timer 3 subtimer A DCD IntDefaultHandler ; Timer 3 subtimer B DCD IntDefaultHandler ; I2C1 Master and Slave DCD IntDefaultHandler ; Quadrature Encoder 1 DCD IntDefaultHandler ; CAN0 DCD IntDefaultHandler ; CAN1 DCD IntDefaultHandler ; CAN2 DCD IntDefaultHandler ; Ethernet DCD IntDefaultHandler ; Hibernate DCD IntDefaultHandler ; USB0 DCD IntDefaultHandler ; PWM Generator 3 DCD IntDefaultHandler ; uDMA Software Transfer DCD IntDefaultHandler ; uDMA Error ;****************************************************************************** ; ; This is the code that gets called when the processor first starts execution ; following a reset event. ; ;****************************************************************************** EXPORT Reset_Handler Reset_Handler ; ; Call the C library enty point that handles startup. This will copy ; the .data section initializers from flash to SRAM and zero fill the ; .bss section. ; IMPORT __main B __main ;****************************************************************************** ; ; This is the code that gets called when the processor receives a NMI. This ; simply enters an infinite loop, preserving the system state for examination ; by a debugger. ; ;****************************************************************************** NmiSR B NmiSR ;****************************************************************************** ; ; This is the code that gets called when the processor receives a fault ; interrupt. This simply enters an infinite loop, preserving the system state ; for examination by a debugger. ; ;****************************************************************************** FaultISR B FaultISR ;****************************************************************************** ; ; This is the code that gets called when the processor receives an unexpected ; interrupt. This simply enters an infinite loop, preserving the system state ; for examination by a debugger. ; ;****************************************************************************** IntDefaultHandler B IntDefaultHandler ;****************************************************************************** ; ; Make sure the end of this section is aligned. ; ;****************************************************************************** ALIGN ;****************************************************************************** ; ; Some code in the normal code section for initializing the heap and stack. ; ;****************************************************************************** AREA |.text|, CODE, READONLY ;****************************************************************************** ; ; The function expected of the C library startup code for defining the stack ; and heap memory locations. For the C library version of the startup code, ; provide this function so that the C library initialization code can find out ; the location of the stack and heap. ; ;****************************************************************************** IF :DEF: __MICROLIB EXPORT __initial_sp EXPORT __heap_base EXPORT __heap_limit ELSE IMPORT __use_two_region_memory EXPORT __user_initial_stackheap __user_initial_stackheap LDR R0, =HeapMem LDR R1, =(StackMem + Stack) LDR R2, =(HeapMem + Heap) LDR R3, =StackMem BX LR ENDIF ;****************************************************************************** ; ; Make sure the end of this section is aligned. ; ;****************************************************************************** ALIGN ;****************************************************************************** ; ; Tell the assembler that we're done. ; ;****************************************************************************** END