; <<< Use Configuration Wizard in Context Menu >>>

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

;

; startup_rvmdk.S - Startup code for use with Keil's uVision.

;

; Copyright (c) 2009-2013 Texas Instruments Incorporated.  All rights reserved.

; Software License Agreement

; 

; Texas Instruments (TI) is supplying this software for use solely and

; exclusively on TI's microcontroller products. The software is owned by

; TI and/or its suppliers, and is protected under applicable copyright

; laws. You may not combine this software with "viral" open-source

; software in order to form a larger program.

; 

; THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.

; 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. TI SHALL NOT, UNDER ANY

; CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL

; DAMAGES, FOR ANY REASON WHATSOEVER.

; 

; This is part of revision 10636 of the DK-LM3S9D96 Firmware Package.

;

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



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

;

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

;

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

Stack   EQU     0x00000400



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

;

; <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  TouchScreenIntHandler

        EXTERN  SysTickHandler

        EXTERN  UARTStdioIntHandler

        EXTERN  USB0DeviceIntHandler



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

;

; 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           ; The MPU fault handler

        DCD     IntDefaultHandler           ; The bus fault handler

        DCD     IntDefaultHandler           ; The 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           ; The PendSV handler

        DCD     SysTickHandler              ; The 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     UARTStdioIntHandler         ; UART0 Rx and Tx

        DCD     IntDefaultHandler           ; UART1 Rx and Tx

        DCD     IntDefaultHandler           ; SSI0 Rx and Tx

        DCD     IntDefaultHandler           ; I2C0 Master and Slave

        DCD     IntDefaultHandler           ; PWM Fault

        DCD     IntDefaultHandler           ; PWM Generator 0

        DCD     IntDefaultHandler           ; PWM Generator 1

        DCD     IntDefaultHandler           ; PWM Generator 2

        DCD     IntDefaultHandler           ; Quadrature Encoder 0

        DCD     IntDefaultHandler           ; ADC Sequence 0

        DCD     IntDefaultHandler           ; ADC Sequence 1

        DCD     IntDefaultHandler           ; ADC Sequence 2

        DCD     TouchScreenIntHandler       ; ADC Sequence 3

        DCD     IntDefaultHandler           ; Watchdog timer

        DCD     IntDefaultHandler           ; Timer 0 subtimer A

        DCD     IntDefaultHandler           ; Timer 0 subtimer B

        DCD     IntDefaultHandler           ; Timer 1 subtimer A

        DCD     IntDefaultHandler           ; Timer 1 subtimer B

        DCD     IntDefaultHandler           ; Timer 2 subtimer A

        DCD     IntDefaultHandler           ; Timer 2 subtimer B

        DCD     IntDefaultHandler           ; Analog Comparator 0

        DCD     IntDefaultHandler           ; Analog Comparator 1

        DCD     IntDefaultHandler           ; Analog Comparator 2

        DCD     IntDefaultHandler           ; System Control (PLL, OSC, BO)

        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     USB0DeviceIntHandler        ; USB0

        DCD     IntDefaultHandler           ; PWM Generator 3

        DCD     IntDefaultHandler           ; uDMA Software Transfer

        DCD     IntDefaultHandler           ; uDMA Error

        DCD     IntDefaultHandler           ; ADC1 Sequence 0

        DCD     IntDefaultHandler           ; ADC1 Sequence 1

        DCD     IntDefaultHandler           ; ADC1 Sequence 2

        DCD     IntDefaultHandler           ; ADC1 Sequence 3

        DCD     IntDefaultHandler           ; I2S0

        DCD     IntDefaultHandler           ; External Bus Interface 0

        DCD     IntDefaultHandler           ; GPIO Port J



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

;

; 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