1/**************************************************************************/ 2/* */ 3/* Copyright (c) Microsoft Corporation. All rights reserved. */ 4/* */ 5/* This software is licensed under the Microsoft Software License */ 6/* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8/* and in the root directory of this software. */ 9/* */ 10/**************************************************************************/ 11 12 13/**************************************************************************/ 14/**************************************************************************/ 15/** */ 16/** ThreadX Component */ 17/** */ 18/** Initialize */ 19/** */ 20/**************************************************************************/ 21/**************************************************************************/ 22 23 .arm 24 25 .global _start 26 .global __tx_undefined 27 .global __tx_swi_interrupt 28 .global __tx_prefetch_handler 29 .global __tx_abort_handler 30 .global __tx_reserved_handler 31 .global __tx_irq_handler 32 .global __tx_fiq_handler 33 34/* Define the vector area. This should be located or copied to 0. */ 35 36 .text 37 .global __vectors 38__vectors: 39 40 LDR pc, STARTUP // Reset goes to startup function 41 LDR pc, UNDEFINED // Undefined handler 42 LDR pc, SWI // Software interrupt handler 43 LDR pc, PREFETCH // Prefetch exception handler 44 LDR pc, ABORT // Abort exception handler 45 LDR pc, RESERVED // Reserved exception handler 46 LDR pc, IRQ // IRQ interrupt handler 47 LDR pc, FIQ // FIQ interrupt handler 48 49STARTUP: 50 .word _start // Reset goes to C startup function 51UNDEFINED: 52 .word __tx_undefined // Undefined handler 53SWI: 54 .word __tx_swi_interrupt // Software interrupt handler 55PREFETCH: 56 .word __tx_prefetch_handler // Prefetch exception handler 57ABORT: 58 .word __tx_abort_handler // Abort exception handler 59RESERVED: 60 .word __tx_reserved_handler // Reserved exception handler 61IRQ: 62 .word __tx_irq_handler // IRQ interrupt handler 63FIQ: 64 .word __tx_fiq_handler // FIQ interrupt handler 65