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- ; <<< Use Configuration Wizard in Context Menu >>>
- ;******************************************************************************
- ;
- ; startup_rvmdk.S - Startup code for use with Keil's uVision.
- ;
- ; Copyright (c) 2011 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 8264 of the EK-LM4F232 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
- IMPORT PendSV_Handler
- IMPORT rt_hw_timer_handler
- IMPORT rt_hw_uart_isr_1
- IMPORT rt_hw_eth_handler
- IMPORT HardFault_Handler
- ;******************************************************************************
- ;
- ; 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 HardFault_Handler ; 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 PendSV_Handler ; The PendSV handler
- DCD rt_hw_timer_handler ; 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 rt_hw_uart_isr_1 ; 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 ; Quadrature Encoder 1
- DCD IntDefaultHandler ; CAN0
- DCD IntDefaultHandler ; CAN1
- DCD IntDefaultHandler ; CAN2
- 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 ; I2S0
- 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 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- 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 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD 0 ; Reserved
- DCD IntDefaultHandler ; Timer 5 subtimer A
- DCD IntDefaultHandler ; Timer 5 subtimer B
- DCD IntDefaultHandler ; Wide Timer 0 subtimer A
- DCD IntDefaultHandler ; Wide Timer 0 subtimer B
- DCD IntDefaultHandler ; Wide Timer 1 subtimer A
- DCD IntDefaultHandler ; Wide Timer 1 subtimer B
- DCD IntDefaultHandler ; Wide Timer 2 subtimer A
- DCD IntDefaultHandler ; Wide Timer 2 subtimer B
- DCD IntDefaultHandler ; Wide Timer 3 subtimer A
- DCD IntDefaultHandler ; Wide Timer 3 subtimer B
- DCD IntDefaultHandler ; Wide Timer 4 subtimer A
- DCD IntDefaultHandler ; Wide Timer 4 subtimer B
- DCD IntDefaultHandler ; Wide Timer 5 subtimer A
- DCD IntDefaultHandler ; Wide Timer 5 subtimer B
- DCD IntDefaultHandler ; FPU
- DCD IntDefaultHandler ; PECI 0
- DCD IntDefaultHandler ; LPC 0
- DCD IntDefaultHandler ; I2C4 Master and Slave
- DCD IntDefaultHandler ; I2C5 Master and Slave
- DCD IntDefaultHandler ; GPIO Port M
- DCD IntDefaultHandler ; GPIO Port N
- DCD IntDefaultHandler ; Quadrature Encoder 2
- DCD IntDefaultHandler ; Fan 0
- DCD 0 ; Reserved
- 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 ; PWM 1 Generator 0
- DCD IntDefaultHandler ; PWM 1 Generator 1
- DCD IntDefaultHandler ; PWM 1 Generator 2
- DCD IntDefaultHandler ; PWM 1 Generator 3
- DCD IntDefaultHandler ; PWM 1 Fault
- ;******************************************************************************
- ;
- ; 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
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