add SMP, Modules, and more processor/tools releases
This commit is contained in:
Scott Larson
178
common_smp/src/tx_thread_resume.c
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178
common_smp/src/tx_thread_resume.c
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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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/** Thread */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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#define TX_SOURCE_CODE
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#define TX_THREAD_SMP_SOURCE_CODE
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/* Include necessary system files. */
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#include "tx_api.h"
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#include "tx_trace.h"
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#include "tx_thread.h"
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#include "tx_initialize.h"
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _tx_thread_resume PORTABLE SMP */
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/* 6.0.1 */
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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 application resume thread services. Actual */
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/* thread resumption is performed in the core service. */
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/* */
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/* INPUT */
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/* */
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/* thread_ptr Pointer to thread to resume */
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/* */
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/* OUTPUT */
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/* */
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/* status Service return status */
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/* */
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/* CALLS */
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/* */
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/* _tx_thread_smp_rebalance_execute_list Rebalance the execution list */
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/* _tx_thread_system_resume Resume thread */
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/* _tx_thread_system_ni_resume Non-interruptable resume */
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/* */
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/* CALLED BY */
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/* */
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/* Application Code */
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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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/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
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/* */
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/**************************************************************************/
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UINT _tx_thread_resume(TX_THREAD *thread_ptr)
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{
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TX_INTERRUPT_SAVE_AREA
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UINT status;
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UINT core_index;
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/* Lockout interrupts while the thread is being resumed. */
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TX_DISABLE
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/* If trace is enabled, insert this event into the trace buffer. */
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TX_TRACE_IN_LINE_INSERT(TX_TRACE_THREAD_RESUME_API, thread_ptr, thread_ptr -> tx_thread_state, TX_POINTER_TO_ULONG_CONVERT(&status), 0, TX_TRACE_THREAD_EVENTS)
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/* Log this kernel call. */
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TX_EL_THREAD_RESUME_INSERT
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/* Determine if the thread is suspended or in the process of suspending.
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If so, call the thread resume processing. */
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if (thread_ptr -> tx_thread_state == TX_SUSPENDED)
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{
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#ifdef TX_NOT_INTERRUPTABLE
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/* Resume the thread! */
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_tx_thread_system_ni_resume(thread_ptr);
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/* Restore interrupts. */
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TX_RESTORE
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#else
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/* Temporarily disable preemption. */
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_tx_thread_preempt_disable++;
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/* Restore interrupts. */
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TX_RESTORE
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/* Call the actual resume service to resume the thread. */
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_tx_thread_system_resume(thread_ptr);
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#endif
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/* Disable interrupts. */
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TX_DISABLE
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/* Determine if the thread's preemption-threshold needs to be restored. */
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if (_tx_thread_smp_current_state_get() >= TX_INITIALIZE_IN_PROGRESS)
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{
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#ifndef TX_DISABLE_PREEMPTION_THRESHOLD
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/* Clear the preemption bit maps, since nothing has yet run during initialization. */
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TX_MEMSET(_tx_thread_preempted_maps, 0, sizeof(_tx_thread_preempted_maps));
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#if TX_MAX_PRIORITIES > 32
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_tx_thread_preempted_map_active = ((ULONG) 0);
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#endif
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#endif
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_tx_thread_preemption__threshold_scheduled = TX_NULL;
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#ifdef TX_THREAD_SMP_DEBUG_ENABLE
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/* Debug entry. */
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_tx_thread_smp_debug_entry_insert(14, 0, thread_ptr);
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#endif
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/* Get the core index. */
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core_index = TX_SMP_CORE_ID;
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/* Call the rebalance routine. This routine maps cores and ready threads. */
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_tx_thread_smp_rebalance_execute_list(core_index);
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#ifdef TX_THREAD_SMP_DEBUG_ENABLE
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/* Debug entry. */
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_tx_thread_smp_debug_entry_insert(15, 0, thread_ptr);
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#endif
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}
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/* Setup successful return status. */
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status = TX_SUCCESS;
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}
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else if (thread_ptr -> tx_thread_delayed_suspend != TX_FALSE)
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{
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/* Clear the delayed suspension. */
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thread_ptr -> tx_thread_delayed_suspend = TX_FALSE;
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/* Setup delayed suspend lifted return status. */
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status = TX_SUSPEND_LIFTED;
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}
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else
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{
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/* Setup invalid resume return status. */
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status = TX_RESUME_ERROR;
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}
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/* Restore interrupts. */
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TX_RESTORE
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/* Return completion status. */
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return(status);
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}
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