startup_rvmdk.s

Luminary Micro BLDC motor control software

; <<< Use Configuration Wizard in Context Menu >>>
;******************************************************************************
;
; startup_rvmdk.S - Startup code for use with Keil's uVision.
;
; Copyright (c) 2007 Luminary Micro, Inc.  All rights reserved.
; Luminary Micro Confidential - For Use Under NDA Only
;
;******************************************************************************

;******************************************************************************
;
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
;
;******************************************************************************
Stack   EQU     0x00001000

;******************************************************************************
;
; <o> 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

;******************************************************************************
;
; 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

;******************************************************************************
;
; External declarations for the interrupt handlers used by the application.
;
;******************************************************************************
        EXTERN  IntDefaultHandler
        EXTERN  ADC0IntHandler
        EXTERN  ADC1IntHandler
        EXTERN  ADC2IntHandler
        EXTERN  ADC3IntHandler
        EXTERN  CANIntHandler
        EXTERN  EthernetIntHandler
        EXTERN  GPIOBIntHandler
        EXTERN  GPIOCIntHandler
        EXTERN  FaultISR
        EXTERN  NmiSR
        EXTERN  PWM0IntHandler
        EXTERN  MainWaveformTick
        EXTERN  MainMillisecondTick
        EXTERN  QEIIntHandler
        EXTERN  SysTickIntHandler
        EXTERN  Timer0AIntHandler
        EXTERN  Timer1AIntHandler
        EXTERN  UART0IntHandler
        EXTERN  WatchdogIntHandler

;******************************************************************************
;
; 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     IntDefaultHandler           ; PendSV Handler
        DCD     SysTickIntHandler           ; SysTick Handler
        DCD     IntDefaultHandler           ; GPIO Port A
        DCD     GPIOBIntHandler             ; GPIO Port B
        DCD     GPIOCIntHandler             ; GPIO Port C
        DCD     IntDefaultHandler           ; GPIO Port D
        DCD     IntDefaultHandler           ; GPIO Port E
        DCD     UART0IntHandler             ; UART0
        DCD     IntDefaultHandler           ; UART1
        DCD     IntDefaultHandler           ; SSI
        DCD     IntDefaultHandler           ; I2C
        DCD     IntDefaultHandler           ; PWM Fault
        DCD     PWM0IntHandler              ; PWM Generator 0
        DCD     MainWaveformTick            ; PWM Generator 1
        DCD     MainMillisecondTick         ; PWM Generator 2
        DCD     QEIIntHandler               ; Quadrature Encoder
        DCD     ADC0IntHandler              ; ADC Sequence 0
        DCD     ADC1IntHandler              ; ADC Sequence 1
        DCD     ADC2IntHandler              ; ADC Sequence 2
        DCD     ADC3IntHandler              ; ADC Sequence 3
        DCD     WatchdogIntHandler          ; Watchdog
        DCD     Timer0AIntHandler           ; Timer 0A
        DCD     IntDefaultHandler           ; Timer 0B
        DCD     Timer1AIntHandler           ; 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     CANIntHandler               ; CAN0
        DCD     IntDefaultHandler           ; CAN1
        DCD     IntDefaultHandler           ; CAN2
        DCD     EthernetIntHandler          ; Ethernet
        DCD     IntDefaultHandler           ; Hibernate

;******************************************************************************
;
; 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

;******************************************************************************
;
; 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