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add SMP, Modules, and more processor/tools releases

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This commit is contained in:
Scott Larson
2020-08-07 16:56:45 -07:00
parent 49e3c27f3f
commit 6f61053f2a
1858 changed files with 617131 additions and 4 deletions
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197
common_modules/module_manager/src/txm_module_manager_unload.c Normal file
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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 */
/** */
/** Module Manager */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
#include "tx_api.h"
#include "tx_byte_pool.h"
#include "tx_initialize.h"
#include "tx_mutex.h"
#include "tx_thread.h"
#include "txm_module.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txm_module_manager_unload PORTABLE C */
/* 6.0.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function unloads a previously loaded module. */
/* */
/* INPUT */
/* */
/* module_instance Module instance pointer */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _tx_byte_release Release data area */
/* _tx_mutex_get Get protection mutex */
/* _tx_mutex_put Release protection mutex */
/* */
/* CALLED BY */
/* */
/* Application code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 06-30-2020 Scott Larson Initial Version 6.0.1 */
/* */
/**************************************************************************/
UINT _txm_module_manager_unload(TXM_MODULE_INSTANCE *module_instance)
{
TX_INTERRUPT_SAVE_AREA
TXM_MODULE_INSTANCE *next_module, *previous_module;
CHAR *memory_ptr;
/* Check for interrupt call. */
if (TX_THREAD_GET_SYSTEM_STATE() != 0)
{
/* Now, make sure the call is from an interrupt and not initialization. */
if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS)
{
/* Invalid caller of this function, return appropriate error code. */
return(TX_CALLER_ERROR);
}
}
/* Determine if the module manager has not been initialized yet. */
if (_txm_module_manager_ready != TX_TRUE)
{
/* Module manager has not been initialized. */
return(TX_NOT_AVAILABLE);
}
/* Determine if the module is valid. */
if (module_instance == TX_NULL)
{
/* Invalid module pointer. */
return(TX_PTR_ERROR);
}
/* Get module manager protection mutex. */
_tx_mutex_get(&_txm_module_manager_mutex, TX_WAIT_FOREVER);
/* Determine if the module is already valid. */
if (module_instance -> txm_module_instance_id != TXM_MODULE_ID)
{
/* Release the protection mutex. */
_tx_mutex_put(&_txm_module_manager_mutex);
/* Invalid module pointer. */
return(TX_PTR_ERROR);
}
/* Determine if the module instance is in the state. */
if ((module_instance -> txm_module_instance_state != TXM_MODULE_LOADED) && (module_instance -> txm_module_instance_state != TXM_MODULE_STOPPED))
{
/* Release the protection mutex. */
_tx_mutex_put(&_txm_module_manager_mutex);
/* Return error if the module is not ready. */
return(TX_NOT_DONE);
}
/* Pickup the module data memory allocation address. */
memory_ptr = module_instance -> txm_module_instance_data_allocation_ptr;
/* Release the module's data memory. */
_tx_byte_release(memory_ptr);
/* Determine if there was memory allocated for the code. */
if (module_instance -> txm_module_instance_code_allocation_ptr)
{
/* Yes, release the module's code memory. */
memory_ptr = module_instance -> txm_module_instance_code_allocation_ptr;
/* Release the module's data memory. */
_tx_byte_release(memory_ptr);
}
/* Temporarily disable interrupts. */
TX_DISABLE
/* Clear some of the module information. */
module_instance -> txm_module_instance_id = 0;
module_instance -> txm_module_instance_state = TXM_MODULE_UNLOADED;
/* Call port-specific unload function. */
TXM_MODULE_MANAGER_MODULE_UNLOAD(module_instance);
/* Remove the module from the linked list of loaded modules. */
/* See if the module is the only one on the list. */
if ((--_txm_module_manger_loaded_count) == 0)
{
/* Only created module, just set the created list to NULL. */
_txm_module_manager_loaded_list_ptr = TX_NULL;
}
else
{
/* Otherwise, not the only created module, link-up the neighbors. */
next_module = module_instance -> txm_module_instance_loaded_next;
previous_module = module_instance -> txm_module_instance_loaded_previous;
next_module -> txm_module_instance_loaded_previous = previous_module;
previous_module -> txm_module_instance_loaded_next = next_module;
/* See if we have to update the created list head pointer. */
if (_txm_module_manager_loaded_list_ptr == module_instance)
{
/* Yes, move the head pointer to the next link. */
_txm_module_manager_loaded_list_ptr = next_module;
}
}
/* Restore interrupts. */
TX_RESTORE
/* Release the protection mutex. */
_tx_mutex_put(&_txm_module_manager_mutex);
/* Return success. */
return(TX_SUCCESS);
}