/**************************************************************************/ /* */ /* Copyright (c) Microsoft Corporation. All rights reserved. */ /* */ /* This software is licensed under the Microsoft Software License */ /* Terms for Microsoft Azure RTOS. Full text of the license can be */ /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ /* and in the root directory of this software. */ /* */ /**************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** ThreadX Component */ /** */ /** Initialize */ /** */ /**************************************************************************/ /**************************************************************************/ #define TX_SOURCE_CODE /* Include necessary system files. */ #include "tx_api.h" #include "tx_initialize.h" #include "tx_thread.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _tx_initialize_kernel_setup PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* William E. Lamie, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function is called by the compiler's startup code to make */ /* ThreadX objects accessible to the compiler's library. If this */ /* function is not called by the compiler, all ThreadX initialization */ /* takes place from the kernel enter function defined previously. */ /* */ /* INPUT */ /* */ /* None */ /* */ /* OUTPUT */ /* */ /* None */ /* */ /* CALLS */ /* */ /* _tx_initialize_low_level Low-level initialization */ /* _tx_initialize_high_level High-level initialization */ /* */ /* CALLED BY */ /* */ /* startup code Compiler startup code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 William E. Lamie Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* resulting in version 6.1 */ /* */ /**************************************************************************/ VOID _tx_initialize_kernel_setup(VOID) { /* Ensure that the system state variable is set to indicate initialization is in progress. Note that this variable is later used to represent interrupt nesting. */ _tx_thread_system_state = TX_INITIALIZE_IN_PROGRESS; /* Call any port specific preprocessing. */ TX_PORT_SPECIFIC_PRE_INITIALIZATION /* Invoke the low-level initialization to handle all processor specific initialization issues. */ _tx_initialize_low_level(); /* Invoke the high-level initialization to exercise all of the ThreadX components and the application's initialization function. */ _tx_initialize_high_level(); /* Call any port specific post-processing. */ TX_PORT_SPECIFIC_POST_INITIALIZATION /* Set the system state to indicate initialization is almost done. */ _tx_thread_system_state = TX_INITIALIZE_ALMOST_DONE; }