Removed linux and win32 ports for now
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@@ -1,153 +0,0 @@
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/**************************************************************************/
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/* */
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/* Copyright (c) Microsoft Corporation. All rights reserved. */
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/* */
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/* This software is licensed under the Microsoft Software License */
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/* Terms for Microsoft Azure RTOS. Full text of the license can be */
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/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
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/* and in the root directory of this software. */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** ThreadX Component */
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/** */
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/** Timer */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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#define TX_SOURCE_CODE
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/* Include necessary system files. */
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#include "tx_api.h"
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#include "tx_timer.h"
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#include "tx_thread.h"
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _tx_timer_interrupt Linux/GNU */
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/* 6.0 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function processes the hardware timer interrupt. This */
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/* processing includes incrementing the system clock and checking for */
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/* time slice and/or timer expiration. If either is found, the */
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/* interrupt context save/restore functions are called along with the */
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/* expiration functions. */
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/* */
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/* INPUT */
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/* */
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/* None */
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/* */
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/* OUTPUT */
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/* */
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/* None */
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/* */
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/* CALLS */
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/* */
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/* _tx_linux_debug_entry_insert */
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/* tx_linux_mutex_lock */
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/* tx_linux_mutex_unlock */
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/* _tx_timer_expiration_process */
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/* _tx_thread_time_slice */
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/* */
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/* CALLED BY */
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/* */
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/* interrupt vector */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 05-19-2020 William E. Lamie Initial Version 6.0 */
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/* */
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/**************************************************************************/
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VOID _tx_timer_interrupt(VOID)
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{
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/* Debug entry. */
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_tx_linux_debug_entry_insert("TIMER INTERRUPT", __FILE__, __LINE__);
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/* Lock mutex to ensure other threads are not playing with
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the core ThreadX data structures. */
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tx_linux_mutex_lock(_tx_linux_mutex);
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/* Increment the system clock. */
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_tx_timer_system_clock++;
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/* Test for time-slice expiration. */
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if (_tx_timer_time_slice)
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{
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/* Decrement the time_slice. */
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_tx_timer_time_slice--;
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/* Check for expiration. */
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if (_tx_timer_time_slice == 0)
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{
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/* Set the time-slice expired flag. */
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_tx_timer_expired_time_slice = TX_TRUE;
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}
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}
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/* Test for timer expiration. */
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if (*_tx_timer_current_ptr)
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{
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/* Set expiration flag. */
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_tx_timer_expired = TX_TRUE;
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}
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else
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{
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/* No timer expired, increment the timer pointer. */
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_tx_timer_current_ptr++;
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/* Check for wrap-around. */
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if (_tx_timer_current_ptr == _tx_timer_list_end)
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{
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/* Wrap to beginning of list. */
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_tx_timer_current_ptr = _tx_timer_list_start;
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}
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}
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/* See if anything has expired. */
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if ((_tx_timer_expired_time_slice) || (_tx_timer_expired))
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{
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/* Did a timer expire? */
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if (_tx_timer_expired)
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{
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/* Process timer expiration. */
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_tx_timer_expiration_process();
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}
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/* Did time slice expire? */
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if (_tx_timer_expired_time_slice)
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{
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/* Time slice interrupted thread. */
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_tx_thread_time_slice();
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}
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}
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/* Unlock linux mutex. */
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tx_linux_mutex_unlock(_tx_linux_mutex);
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}
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