325 lines
15 KiB
ArmAsm
325 lines
15 KiB
ArmAsm
; <<< Use Configuration Wizard in Context Menu >>>
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;******************************************************************************
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;
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; startup_rvmdk.S - Startup code for use with Keil's uVision.
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;
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; Copyright (c) 2013-2017 Texas Instruments Incorporated. All rights reserved.
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; Software License Agreement
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;
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; Texas Instruments (TI) is supplying this software for use solely and
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; exclusively on TI's microcontroller products. The software is owned by
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; TI and/or its suppliers, and is protected under applicable copyright
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; laws. You may not combine this software with "viral" open-source
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; software in order to form a larger program.
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;
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; THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
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; NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
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; NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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; A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
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; CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
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; DAMAGES, FOR ANY REASON WHATSOEVER.
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;
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; This is part of revision 2.1.4.178 of the DK-TM4C129X Firmware Package.
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;
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;******************************************************************************
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;******************************************************************************
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;
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; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
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;
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;******************************************************************************
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Stack EQU 0x00000200
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;******************************************************************************
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;
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; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
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;
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;******************************************************************************
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Heap EQU 0x00000000
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;******************************************************************************
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;
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; Allocate space for the stack.
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;
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;******************************************************************************
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AREA STACK, NOINIT, READWRITE, ALIGN=3
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StackMem
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SPACE Stack
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__initial_sp
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;******************************************************************************
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;
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; Allocate space for the heap.
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;
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;******************************************************************************
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AREA HEAP, NOINIT, READWRITE, ALIGN=3
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__heap_base
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HeapMem
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SPACE Heap
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__heap_limit
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;******************************************************************************
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;
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; Indicate that the code in this file preserves 8-byte alignment of the stack.
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;
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;******************************************************************************
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PRESERVE8
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;******************************************************************************
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;
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; Place code into the reset code section.
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;
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;******************************************************************************
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AREA RESET, CODE, READONLY
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THUMB
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;******************************************************************************
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;
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; The vector table.
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;
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;******************************************************************************
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EXPORT __Vectors
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__Vectors
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DCD StackMem + Stack ; Top of Stack
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DCD Reset_Handler ; Reset Handler
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DCD NmiSR ; NMI Handler
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DCD FaultISR ; Hard Fault Handler
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DCD IntDefaultHandler ; The MPU fault handler
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DCD IntDefaultHandler ; The bus fault handler
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DCD IntDefaultHandler ; The usage fault handler
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DCD 0 ; Reserved
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DCD 0 ; Reserved
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DCD 0 ; Reserved
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DCD 0 ; Reserved
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DCD IntDefaultHandler ; SVCall handler
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DCD IntDefaultHandler ; Debug monitor handler
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DCD 0 ; Reserved
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DCD IntDefaultHandler ; The PendSV handler
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DCD IntDefaultHandler ; The SysTick handler
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DCD IntDefaultHandler ; GPIO Port A
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DCD IntDefaultHandler ; GPIO Port B
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DCD IntDefaultHandler ; GPIO Port C
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DCD IntDefaultHandler ; GPIO Port D
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DCD IntDefaultHandler ; GPIO Port E
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DCD IntDefaultHandler ; UART0 Rx and Tx
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DCD IntDefaultHandler ; UART1 Rx and Tx
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DCD IntDefaultHandler ; SSI0 Rx and Tx
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DCD IntDefaultHandler ; I2C0 Master and Slave
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DCD IntDefaultHandler ; PWM Fault
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DCD IntDefaultHandler ; PWM Generator 0
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DCD IntDefaultHandler ; PWM Generator 1
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DCD IntDefaultHandler ; PWM Generator 2
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DCD IntDefaultHandler ; Quadrature Encoder 0
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DCD IntDefaultHandler ; ADC Sequence 0
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DCD IntDefaultHandler ; ADC Sequence 1
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DCD IntDefaultHandler ; ADC Sequence 2
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DCD IntDefaultHandler ; ADC Sequence 3
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DCD IntDefaultHandler ; Watchdog timer
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DCD IntDefaultHandler ; Timer 0 subtimer A
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DCD IntDefaultHandler ; Timer 0 subtimer B
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DCD IntDefaultHandler ; Timer 1 subtimer A
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DCD IntDefaultHandler ; Timer 1 subtimer B
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DCD IntDefaultHandler ; Timer 2 subtimer A
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DCD IntDefaultHandler ; Timer 2 subtimer B
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DCD IntDefaultHandler ; Analog Comparator 0
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DCD IntDefaultHandler ; Analog Comparator 1
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DCD IntDefaultHandler ; Analog Comparator 2
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DCD IntDefaultHandler ; System Control (PLL, OSC, BO)
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DCD IntDefaultHandler ; FLASH Control
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DCD IntDefaultHandler ; GPIO Port F
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DCD IntDefaultHandler ; GPIO Port G
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DCD IntDefaultHandler ; GPIO Port H
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DCD IntDefaultHandler ; UART2 Rx and Tx
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DCD IntDefaultHandler ; SSI1 Rx and Tx
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DCD IntDefaultHandler ; Timer 3 subtimer A
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DCD IntDefaultHandler ; Timer 3 subtimer B
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DCD IntDefaultHandler ; I2C1 Master and Slave
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DCD IntDefaultHandler ; CAN0
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DCD IntDefaultHandler ; CAN1
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DCD IntDefaultHandler ; Ethernet
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DCD IntDefaultHandler ; Hibernate
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DCD IntDefaultHandler ; USB0
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DCD IntDefaultHandler ; PWM Generator 3
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DCD IntDefaultHandler ; uDMA Software Transfer
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DCD IntDefaultHandler ; uDMA Error
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DCD IntDefaultHandler ; ADC1 Sequence 0
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DCD IntDefaultHandler ; ADC1 Sequence 1
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DCD IntDefaultHandler ; ADC1 Sequence 2
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DCD IntDefaultHandler ; ADC1 Sequence 3
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DCD IntDefaultHandler ; External Bus Interface 0
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DCD IntDefaultHandler ; GPIO Port J
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DCD IntDefaultHandler ; GPIO Port K
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DCD IntDefaultHandler ; GPIO Port L
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DCD IntDefaultHandler ; SSI2 Rx and Tx
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DCD IntDefaultHandler ; SSI3 Rx and Tx
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DCD IntDefaultHandler ; UART3 Rx and Tx
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DCD IntDefaultHandler ; UART4 Rx and Tx
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DCD IntDefaultHandler ; UART5 Rx and Tx
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DCD IntDefaultHandler ; UART6 Rx and Tx
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DCD IntDefaultHandler ; UART7 Rx and Tx
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DCD IntDefaultHandler ; I2C2 Master and Slave
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DCD IntDefaultHandler ; I2C3 Master and Slave
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DCD IntDefaultHandler ; Timer 4 subtimer A
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DCD IntDefaultHandler ; Timer 4 subtimer B
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DCD IntDefaultHandler ; Timer 5 subtimer A
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DCD IntDefaultHandler ; Timer 5 subtimer B
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DCD IntDefaultHandler ; FPU
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DCD 0 ; Reserved
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DCD 0 ; Reserved
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DCD IntDefaultHandler ; I2C4 Master and Slave
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DCD IntDefaultHandler ; I2C5 Master and Slave
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DCD IntDefaultHandler ; GPIO Port M
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DCD IntDefaultHandler ; GPIO Port N
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DCD 0 ; Reserved
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DCD IntDefaultHandler ; Tamper
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DCD IntDefaultHandler ; GPIO Port P (Summary or P0)
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DCD IntDefaultHandler ; GPIO Port P1
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DCD IntDefaultHandler ; GPIO Port P2
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DCD IntDefaultHandler ; GPIO Port P3
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DCD IntDefaultHandler ; GPIO Port P4
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DCD IntDefaultHandler ; GPIO Port P5
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DCD IntDefaultHandler ; GPIO Port P6
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DCD IntDefaultHandler ; GPIO Port P7
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DCD IntDefaultHandler ; GPIO Port Q (Summary or Q0)
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DCD IntDefaultHandler ; GPIO Port Q1
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DCD IntDefaultHandler ; GPIO Port Q2
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DCD IntDefaultHandler ; GPIO Port Q3
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DCD IntDefaultHandler ; GPIO Port Q4
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DCD IntDefaultHandler ; GPIO Port Q5
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DCD IntDefaultHandler ; GPIO Port Q6
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DCD IntDefaultHandler ; GPIO Port Q7
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DCD IntDefaultHandler ; GPIO Port R
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DCD IntDefaultHandler ; GPIO Port S
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DCD IntDefaultHandler ; SHA/MD5 0
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DCD IntDefaultHandler ; AES 0
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DCD IntDefaultHandler ; DES3DES 0
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DCD IntDefaultHandler ; LCD Controller 0
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DCD IntDefaultHandler ; Timer 6 subtimer A
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DCD IntDefaultHandler ; Timer 6 subtimer B
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DCD IntDefaultHandler ; Timer 7 subtimer A
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DCD IntDefaultHandler ; Timer 7 subtimer B
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DCD IntDefaultHandler ; I2C6 Master and Slave
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DCD IntDefaultHandler ; I2C7 Master and Slave
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DCD IntDefaultHandler ; HIM Scan Matrix Keyboard 0
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DCD IntDefaultHandler ; One Wire 0
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DCD IntDefaultHandler ; HIM PS/2 0
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DCD IntDefaultHandler ; HIM LED Sequencer 0
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DCD IntDefaultHandler ; HIM Consumer IR 0
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DCD IntDefaultHandler ; I2C8 Master and Slave
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DCD IntDefaultHandler ; I2C9 Master and Slave
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DCD IntDefaultHandler ; GPIO Port T
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;******************************************************************************
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;
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; This is the code that gets called when the processor first starts execution
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; following a reset event.
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;
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;******************************************************************************
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EXPORT Reset_Handler
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Reset_Handler
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;
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; Enable the floating-point unit. This must be done here to handle the
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; case where main() uses floating-point and the function prologue saves
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; floating-point registers (which will fault if floating-point is not
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; enabled). Any configuration of the floating-point unit using
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; DriverLib APIs must be done here prior to the floating-point unit
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; being enabled.
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;
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; Note that this does not use DriverLib since it might not be included
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; in this project.
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;
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MOVW R0, #0xED88
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MOVT R0, #0xE000
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LDR R1, [R0]
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ORR R1, #0x00F00000
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STR R1, [R0]
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;
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; Call the C library enty point that handles startup. This will copy
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; the .data section initializers from flash to SRAM and zero fill the
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; .bss section.
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;
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IMPORT __main
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B __main
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;******************************************************************************
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;
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; This is the code that gets called when the processor receives a NMI. This
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; simply enters an infinite loop, preserving the system state for examination
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; by a debugger.
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;
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;******************************************************************************
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NmiSR
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B NmiSR
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;******************************************************************************
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;
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; This is the code that gets called when the processor receives a fault
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; interrupt. This simply enters an infinite loop, preserving the system state
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; for examination by a debugger.
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;
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;******************************************************************************
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FaultISR
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B FaultISR
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;******************************************************************************
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;
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; This is the code that gets called when the processor receives an unexpected
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; interrupt. This simply enters an infinite loop, preserving the system state
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; for examination by a debugger.
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;
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;******************************************************************************
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IntDefaultHandler
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B IntDefaultHandler
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;******************************************************************************
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;
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; Make sure the end of this section is aligned.
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;
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;******************************************************************************
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ALIGN
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;******************************************************************************
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;
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; Some code in the normal code section for initializing the heap and stack.
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;
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;******************************************************************************
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AREA |.text|, CODE, READONLY
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;******************************************************************************
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;
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; The function expected of the C library startup code for defining the stack
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; and heap memory locations. For the C library version of the startup code,
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; provide this function so that the C library initialization code can find out
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; the location of the stack and heap.
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;
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;******************************************************************************
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IF :DEF: __MICROLIB
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EXPORT __initial_sp
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EXPORT __heap_base
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EXPORT __heap_limit
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ELSE
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IMPORT __use_two_region_memory
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EXPORT __user_initial_stackheap
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__user_initial_stackheap
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LDR R0, =HeapMem
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LDR R1, =(StackMem + Stack)
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LDR R2, =(HeapMem + Heap)
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LDR R3, =StackMem
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BX LR
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ENDIF
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;******************************************************************************
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;
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; Make sure the end of this section is aligned.
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;
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;******************************************************************************
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ALIGN
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;******************************************************************************
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;
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; Tell the assembler that we're done.
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;
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;******************************************************************************
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END
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