; <<< Use Configuration Wizard in Context Menu >>>
;******************************************************************************
;
; startup_rvmdk.S - Startup code for Stellaris.
;
; Copyright (c) 2006 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 Stellaris Family of microcontroller products.
;
; The software is owned by LMI and/or its suppliers, and is protected under
; applicable copyright laws. All rights are reserved. 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 816 of the Stellaris Driver Library.
;
;******************************************************************************
;******************************************************************************
;
; Stack Configuration
; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
;
;
;******************************************************************************
Stack EQU 0x00000100
;******************************************************************************
;
; Heap Configuration
; Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
;
;
;******************************************************************************
Heap EQU 0x00000000
;******************************************************************************
;
; Allocate space for the stack.
;
;******************************************************************************
AREA STACK, NOINIT, READWRITE, ALIGN=3
StackMem
SPACE Stack
;******************************************************************************
;
; Allocate space for the heap.
;
;******************************************************************************
AREA HEAP, NOINIT, READWRITE, ALIGN=3
HeapMem
SPACE Heap
;******************************************************************************
;
; 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 vPortSVCHandler ; SVCall Handler
DCD IntDefaultHandler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD xPortPendSVHandler ; PendSV Handler
DCD xPortSysTickHandler ; SysTick Handler
DCD IntDefaultHandler ; GPIO Port A
DCD IntDefaultHandler ; GPIO Port B
DCD vGPIO_ISR ; GPIO Port C
DCD IntDefaultHandler ; GPIO Port D
DCD IntDefaultHandler ; GPIO Port E
DCD vUART_ISR ; 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
;******************************************************************************
;
; This is the code that gets called when the processor first starts execution
; following a reset event.
;
;******************************************************************************
EXPORT Reset_Handler
Reset_Handler
;
; Call __main() in the C library, which will call the application
; supplied main().
;
IMPORT __main
IMPORT vGPIO_ISR
IMPORT vUART_ISR
IMPORT xPortPendSVHandler
IMPORT xPortSysTickHandler
IMPORT vPortSVCHandler
LDR R0, =__main
BX R0
;******************************************************************************
;
; 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.
;
;******************************************************************************
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
;******************************************************************************
;
; Make sure the end of this section is aligned.
;
;******************************************************************************
ALIGN
; Note:
; Using READWRITE places Section .RTOSHeap in Region ER_RW.
; Using NOINIT places Section .RTOSHeap in Region ER_ZI,which means
; "ZEROINITIALIZE" (sic), and which is the last region in memory. Then
; we need to make this section the last section, which is somewhat tricky,
; because we cannot use the sectionname, but need to use a defined symbol:
; Linker option: "--last xHeap"
EXPORT xHeap
AREA RTOSHeap, DATA, NOINIT
xHeap
;******************************************************************************
;
; Tell the assembler that we're done.
;
;******************************************************************************
END