325 lines
15 KiB
ArmAsm
325 lines
15 KiB
ArmAsm
; <<< Use Configuration Wizard in Context Menu >>>
|
|
;******************************************************************************
|
|
;
|
|
; startup_rvmdk.S - Startup code for use with Keil's uVision.
|
|
;
|
|
; Copyright (c) 2013-2014 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 2.1.0.12573 of the DK-TM4C129X Firmware Package.
|
|
;
|
|
;******************************************************************************
|
|
|
|
;******************************************************************************
|
|
;
|
|
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
|
|
;
|
|
;******************************************************************************
|
|
Stack EQU 0x00000100
|
|
|
|
;******************************************************************************
|
|
;
|
|
; <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
|
|
|
|
;******************************************************************************
|
|
;
|
|
; 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 IntDefaultHandler ; 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 IntDefaultHandler ; 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 IntDefaultHandler ; 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 ; CAN0
|
|
DCD IntDefaultHandler ; CAN1
|
|
DCD IntDefaultHandler ; Ethernet
|
|
DCD IntDefaultHandler ; Hibernate
|
|
DCD IntDefaultHandler ; 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 ; External Bus Interface 0
|
|
DCD IntDefaultHandler ; GPIO Port J
|
|
DCD IntDefaultHandler ; GPIO Port K
|
|
DCD IntDefaultHandler ; GPIO Port L
|
|
DCD IntDefaultHandler ; SSI2 Rx and Tx
|
|
DCD IntDefaultHandler ; SSI3 Rx and Tx
|
|
DCD IntDefaultHandler ; UART3 Rx and Tx
|
|
DCD IntDefaultHandler ; UART4 Rx and Tx
|
|
DCD IntDefaultHandler ; UART5 Rx and Tx
|
|
DCD IntDefaultHandler ; UART6 Rx and Tx
|
|
DCD IntDefaultHandler ; UART7 Rx and Tx
|
|
DCD IntDefaultHandler ; I2C2 Master and Slave
|
|
DCD IntDefaultHandler ; I2C3 Master and Slave
|
|
DCD IntDefaultHandler ; Timer 4 subtimer A
|
|
DCD IntDefaultHandler ; Timer 4 subtimer B
|
|
DCD IntDefaultHandler ; Timer 5 subtimer A
|
|
DCD IntDefaultHandler ; Timer 5 subtimer B
|
|
DCD IntDefaultHandler ; FPU
|
|
DCD 0 ; Reserved
|
|
DCD 0 ; Reserved
|
|
DCD IntDefaultHandler ; I2C4 Master and Slave
|
|
DCD IntDefaultHandler ; I2C5 Master and Slave
|
|
DCD IntDefaultHandler ; GPIO Port M
|
|
DCD IntDefaultHandler ; GPIO Port N
|
|
DCD 0 ; Reserved
|
|
DCD IntDefaultHandler ; Tamper
|
|
DCD IntDefaultHandler ; GPIO Port P (Summary or P0)
|
|
DCD IntDefaultHandler ; GPIO Port P1
|
|
DCD IntDefaultHandler ; GPIO Port P2
|
|
DCD IntDefaultHandler ; GPIO Port P3
|
|
DCD IntDefaultHandler ; GPIO Port P4
|
|
DCD IntDefaultHandler ; GPIO Port P5
|
|
DCD IntDefaultHandler ; GPIO Port P6
|
|
DCD IntDefaultHandler ; GPIO Port P7
|
|
DCD IntDefaultHandler ; GPIO Port Q (Summary or Q0)
|
|
DCD IntDefaultHandler ; GPIO Port Q1
|
|
DCD IntDefaultHandler ; GPIO Port Q2
|
|
DCD IntDefaultHandler ; GPIO Port Q3
|
|
DCD IntDefaultHandler ; GPIO Port Q4
|
|
DCD IntDefaultHandler ; GPIO Port Q5
|
|
DCD IntDefaultHandler ; GPIO Port Q6
|
|
DCD IntDefaultHandler ; GPIO Port Q7
|
|
DCD IntDefaultHandler ; GPIO Port R
|
|
DCD IntDefaultHandler ; GPIO Port S
|
|
DCD IntDefaultHandler ; SHA/MD5 0
|
|
DCD IntDefaultHandler ; AES 0
|
|
DCD IntDefaultHandler ; DES3DES 0
|
|
DCD IntDefaultHandler ; LCD Controller 0
|
|
DCD IntDefaultHandler ; Timer 6 subtimer A
|
|
DCD IntDefaultHandler ; Timer 6 subtimer B
|
|
DCD IntDefaultHandler ; Timer 7 subtimer A
|
|
DCD IntDefaultHandler ; Timer 7 subtimer B
|
|
DCD IntDefaultHandler ; I2C6 Master and Slave
|
|
DCD IntDefaultHandler ; I2C7 Master and Slave
|
|
DCD IntDefaultHandler ; HIM Scan Matrix Keyboard 0
|
|
DCD IntDefaultHandler ; One Wire 0
|
|
DCD IntDefaultHandler ; HIM PS/2 0
|
|
DCD IntDefaultHandler ; HIM LED Sequencer 0
|
|
DCD IntDefaultHandler ; HIM Consumer IR 0
|
|
DCD IntDefaultHandler ; I2C8 Master and Slave
|
|
DCD IntDefaultHandler ; I2C9 Master and Slave
|
|
DCD IntDefaultHandler ; GPIO Port T
|
|
|
|
;******************************************************************************
|
|
;
|
|
; This is the code that gets called when the processor first starts execution
|
|
; following a reset event.
|
|
;
|
|
;******************************************************************************
|
|
EXPORT Reset_Handler
|
|
Reset_Handler
|
|
;
|
|
; Enable the floating-point unit. This must be done here to handle the
|
|
; case where main() uses floating-point and the function prologue saves
|
|
; floating-point registers (which will fault if floating-point is not
|
|
; enabled). Any configuration of the floating-point unit using
|
|
; DriverLib APIs must be done here prior to the floating-point unit
|
|
; being enabled.
|
|
;
|
|
; Note that this does not use DriverLib since it might not be included
|
|
; in this project.
|
|
;
|
|
MOVW R0, #0xED88
|
|
MOVT R0, #0xE000
|
|
LDR R1, [R0]
|
|
ORR R1, #0x00F00000
|
|
STR R1, [R0]
|
|
|
|
;
|
|
; 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
|