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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [CORTEX_LM3S811_KEIL/] [startup_rvmdk.S] - Blame information for rev 581

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1 581 jeremybenn
; <<< Use Configuration Wizard in Context Menu >>>
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;******************************************************************************
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;
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; startup_rvmdk.S - Startup code for Stellaris.
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;
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; Copyright (c) 2006 Luminary Micro, Inc.  All rights reserved.
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;
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; Software License Agreement
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;
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; Luminary Micro, Inc. (LMI) is supplying this software for use solely and
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; exclusively on LMI's Stellaris Family of microcontroller products.
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;
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; The software is owned by LMI and/or its suppliers, and is protected under
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; applicable copyright laws.  All rights are reserved.  Any use in violation of
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; the foregoing restrictions may subject the user to criminal sanctions under
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; applicable laws, as well as to civil liability for the breach of the terms
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; and conditions of this license.
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;
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; THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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; OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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; MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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; LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
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; CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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;
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; This is part of revision 816 of the Stellaris Driver Library.
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;
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;******************************************************************************
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;******************************************************************************
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;
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;  Stack Configuration
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;    Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
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; 
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;
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;******************************************************************************
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Stack   EQU     0x00000100
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;******************************************************************************
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;
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;  Heap Configuration
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;    Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
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; 
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;
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;******************************************************************************
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Heap    EQU     0x00000000
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;******************************************************************************
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;
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; Allocate space for the stack.
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;
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;******************************************************************************
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        AREA    STACK, NOINIT, READWRITE, ALIGN=3
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StackMem
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        SPACE   Stack
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;******************************************************************************
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;
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; Allocate space for the heap.
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;
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;******************************************************************************
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        AREA    HEAP, NOINIT, READWRITE, ALIGN=3
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HeapMem
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        SPACE   Heap
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;******************************************************************************
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;
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; Indicate that the code in this file preserves 8-byte alignment of the stack.
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;
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;******************************************************************************
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        PRESERVE8
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;******************************************************************************
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;
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; Place code into the reset code section.
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;
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;******************************************************************************
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        AREA    RESET, CODE, READONLY
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        THUMB
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;******************************************************************************
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;
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; The vector table.
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;
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;******************************************************************************
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                EXPORT __Vectors
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__Vectors
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        DCD     StackMem + Stack            ; Top of Stack
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        DCD     Reset_Handler               ; Reset Handler
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        DCD     NmiSR                       ; NMI Handler
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        DCD     FaultISR                    ; Hard Fault Handler
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        DCD     IntDefaultHandler           ; MPU Fault Handler
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        DCD     IntDefaultHandler           ; Bus Fault Handler
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        DCD     IntDefaultHandler           ; Usage Fault Handler
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        DCD     0                           ; Reserved
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        DCD     0                           ; Reserved
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        DCD     0                           ; Reserved
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        DCD     0                           ; Reserved
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        DCD     vPortSVCHandler             ; SVCall Handler
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        DCD     IntDefaultHandler           ; Debug Monitor Handler
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        DCD     0                           ; Reserved
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        DCD     xPortPendSVHandler              ; PendSV Handler
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        DCD     xPortSysTickHandler             ; SysTick Handler
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        DCD     IntDefaultHandler           ; GPIO Port A
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        DCD     IntDefaultHandler           ; GPIO Port B
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        DCD     vGPIO_ISR               ; GPIO Port C
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        DCD     IntDefaultHandler           ; GPIO Port D
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        DCD     IntDefaultHandler           ; GPIO Port E
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        DCD     vUART_ISR                       ; UART0
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        DCD     IntDefaultHandler           ; UART1
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        DCD     IntDefaultHandler           ; SSI
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        DCD     IntDefaultHandler           ; I2C
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        DCD     IntDefaultHandler           ; PWM Fault
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        DCD     IntDefaultHandler           ; PWM Generator 0
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        DCD     IntDefaultHandler           ; PWM Generator 1
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        DCD     IntDefaultHandler           ; PWM Generator 2
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        DCD     IntDefaultHandler           ; Quadrature Encoder
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        DCD     IntDefaultHandler           ; ADC Sequence 0
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        DCD     IntDefaultHandler           ; ADC Sequence 1
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        DCD     IntDefaultHandler           ; ADC Sequence 2
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        DCD     IntDefaultHandler           ; ADC Sequence 3
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        DCD     IntDefaultHandler           ; Watchdog
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        DCD     IntDefaultHandler           ; Timer 0A
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        DCD     IntDefaultHandler           ; Timer 0B
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        DCD     IntDefaultHandler           ; Timer 1A
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        DCD     IntDefaultHandler           ; Timer 1B
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        DCD     IntDefaultHandler           ; Timer 2A
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        DCD     IntDefaultHandler           ; Timer 2B
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        DCD     IntDefaultHandler           ; Comp 0
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        DCD     IntDefaultHandler           ; Comp 1
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        DCD     IntDefaultHandler           ; Comp 2
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        DCD     IntDefaultHandler           ; System Control
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        DCD     IntDefaultHandler           ; Flash Control
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;******************************************************************************
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;
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; This is the code that gets called when the processor first starts execution
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; following a reset event.
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;
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;******************************************************************************
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        EXPORT  Reset_Handler
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Reset_Handler
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        ;
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        ; Call __main() in the C library, which will call the application
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        ; supplied main().
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        ;
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        IMPORT  __main
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                IMPORT  vGPIO_ISR
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                IMPORT  vUART_ISR
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                IMPORT  xPortPendSVHandler
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                IMPORT  xPortSysTickHandler
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                IMPORT  vPortSVCHandler
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        LDR     R0, =__main
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        BX      R0
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;******************************************************************************
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;
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; This is the code that gets called when the processor receives a NMI.  This
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; simply enters an infinite loop, preserving the system state for examination
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; by a debugger.
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;
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;******************************************************************************
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NmiSR
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        B       NmiSR
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;******************************************************************************
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;
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; This is the code that gets called when the processor receives a fault
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; interrupt.  This simply enters an infinite loop, preserving the system state
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; for examination by a debugger.
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;
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;******************************************************************************
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FaultISR
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        B       FaultISR
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;******************************************************************************
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;
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; This is the code that gets called when the processor receives an unexpected
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; interrupt.  This simply enters an infinite loop, preserving the system state
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; for examination by a debugger.
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;
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;******************************************************************************
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IntDefaultHandler
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        B       IntDefaultHandler
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;******************************************************************************
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;
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; Make sure the end of this section is aligned.
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;
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;******************************************************************************
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        ALIGN
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;******************************************************************************
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;
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; Some code in the normal code section for initializing the heap and stack.
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;
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;******************************************************************************
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        AREA    |.text|, CODE, READONLY
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;******************************************************************************
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;
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; The function expected of the C library startup code for defining the stack
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; and heap memory locations.
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;
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;******************************************************************************
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        IMPORT  __use_two_region_memory
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        EXPORT  __user_initial_stackheap
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__user_initial_stackheap
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        LDR     R0, =HeapMem
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        LDR     R1, =(StackMem + Stack)
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        LDR     R2, =(HeapMem + Heap)
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        LDR     R3, =StackMem
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        BX      LR
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;******************************************************************************
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;
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; Make sure the end of this section is aligned.
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;
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;******************************************************************************
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        ALIGN
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; Note:
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; Using READWRITE places Section .RTOSHeap in Region ER_RW.
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; Using NOINIT places Section .RTOSHeap in Region ER_ZI,which means
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; "ZEROINITIALIZE" (sic), and which is the last region in memory. Then
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; we need to make this section the last section, which is somewhat tricky,
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; because we cannot use the sectionname, but need to use a defined symbol:
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; Linker option: "--last xHeap"
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                EXPORT xHeap
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                AREA    RTOSHeap, DATA, NOINIT
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xHeap
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;******************************************************************************
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;
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; Tell the assembler that we're done.
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;
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;******************************************************************************
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        END

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