From 44b979ac3dc53b29ee8176517b7d9a10935630c0 Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Mon, 29 Oct 2012 21:36:23 +0200 Subject: Initial code --- project0/startup_rvmdk.S | 351 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 351 insertions(+) create mode 100644 project0/startup_rvmdk.S (limited to 'project0/startup_rvmdk.S') diff --git a/project0/startup_rvmdk.S b/project0/startup_rvmdk.S new file mode 100644 index 0000000..53d4dc9 --- /dev/null +++ b/project0/startup_rvmdk.S @@ -0,0 +1,351 @@ +; <<< Use Configuration Wizard in Context Menu >>> +;****************************************************************************** +; +; startup_rvmdk.S - Startup code for use with Keil's uVision. +; +; Copyright (c) 2012 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 9453 of the EK-LM4F120XL Firmware Package. +; +;****************************************************************************** + +;****************************************************************************** +; +; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> +; +;****************************************************************************** +Stack EQU 0x00000100 + +;****************************************************************************** +; +; 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 ; 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 -- cgit v1.3.1