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/**************************************************************************/
/* */
/* 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 */
/** */
/** Initialization */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
#define TX_THREAD_SMP_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_timer.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_smp_high_level_initialize PORTABLE SMP */
/* 6.1.3 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function initializes the ThreadX SMP data structures and */
/* CPU registers. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_initialize_kernel_enter ThreadX entry */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 12-31-2020 William E. Lamie Modified comments, added */
/* cast to address a MISRA */
/* compliant issue, */
/* resulting in version 6.1.3 */
/* */
/**************************************************************************/
void _tx_thread_smp_high_level_initialize(void)
{
/* Clear the system error flag. */
_tx_thread_smp_system_error = TX_FALSE;
/* 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_smp_current_state_set(TX_INITIALIZE_IN_PROGRESS);
/* Clear the thread protection. */
TX_MEMSET(&_tx_thread_smp_protection, 0, sizeof(TX_THREAD_SMP_PROTECT));
/* Set the field of the protection to all ones to indicate it is invalid. */
_tx_thread_smp_protection.tx_thread_smp_protect_core = ((ULONG) 0xFFFFFFFFUL);
/* Clear the thread schedule list. */
TX_MEMSET(&_tx_thread_smp_schedule_list[0], 0, sizeof(_tx_thread_smp_schedule_list));
/* Initialize core list. */
TX_MEMSET(&_tx_thread_smp_protect_wait_list[0], 0xff, sizeof(_tx_thread_smp_protect_wait_list));
/* Set the wait list size so we can access it from assembly functions. */
_tx_thread_smp_protect_wait_list_size = ((ULONG) TX_THREAD_SMP_PROTECT_WAIT_LIST_SIZE);
#ifndef TX_THREAD_SMP_DYNAMIC_CORE_MAX
/* Call low-level SMP initialize. */
_tx_thread_smp_low_level_initialize(((UINT) TX_THREAD_SMP_MAX_CORES));
#else
/* Determine if the dynamic maximum number of cores is 0. If so, default it
to the compile-time maximum. */
if (_tx_thread_smp_max_cores == 0)
{
/* Default to the compile-time maximum. */
_tx_thread_smp_max_cores = TX_THREAD_SMP_MAX_CORES;
}
/* Call low-level SMP initialize. */
_tx_thread_smp_low_level_initialize(_tx_thread_smp_max_cores);
#endif
}
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