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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** USBX Component */ |
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/** */ |
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/** System */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/* Define UX_SYSTEM_INIT to bring in the USBX version ID string. */ |
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#define UX_SYSTEM_INIT |
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/* Include necessary system files. */ |
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#define UX_SOURCE_CODE |
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#include "ux_api.h" |
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#include "ux_system.h" |
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/* Define the USBX system data structure. */ |
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UX_SYSTEM *_ux_system; |
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UX_SYSTEM_OTG *_ux_system_otg; |
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/* Define names of all the packed descriptors in USBX. */ |
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UCHAR _ux_system_endpoint_descriptor_structure[] = {1,1,1,1,2,1 }; |
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UCHAR _ux_system_device_descriptor_structure[] = {1,1,2,1,1,1,1,2,2,2,1,1,1,1}; |
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UCHAR _ux_system_configuration_descriptor_structure[] = {1,1,2,1,1,1,1,1}; |
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UCHAR _ux_system_interface_descriptor_structure[] = {1,1,1,1,1,1,1,1,1}; |
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UCHAR _ux_system_interface_association_descriptor_structure[] = {1,1,1,1,1,1,1,1}; |
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UCHAR _ux_system_string_descriptor_structure[] = {1,1,2}; |
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UCHAR _ux_system_dfu_functional_descriptor_structure[] = {1,1,1,2,2,2}; |
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UCHAR _ux_system_class_audio_interface_descriptor_structure[] = {1,1,1,1,1,1,1,1}; |
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UCHAR _ux_system_class_audio_input_terminal_descriptor_structure[] = {1,1,1,1,2,1,1,2,1,1}; |
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UCHAR _ux_system_class_audio_output_terminal_descriptor_structure[] = {1,1,1,1,2,1,1,1}; |
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UCHAR _ux_system_class_audio_feature_unit_descriptor_structure[] = {1,1,1,1,1,1,1}; |
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UCHAR _ux_system_class_audio_streaming_interface_descriptor_structure[] = {1,1,1,1,1,1}; |
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UCHAR _ux_system_class_audio_streaming_endpoint_descriptor_structure[] = {1,1,1,1,1,1}; |
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UCHAR _ux_system_hub_descriptor_structure[] = {1,1,1,2,1,1,1,1}; |
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UCHAR _ux_system_hid_descriptor_structure[] = {1,1,2,1,1,1,2}; |
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UCHAR _ux_system_class_pima_storage_structure[] = {2,2,2,4,4,4,4,4}; |
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UCHAR _ux_system_class_pima_object_structure[] = {4,2,2,4,2,4,4,4,4,4,4,4,2,4,4}; |
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UCHAR _ux_system_ecm_interface_descriptor_structure[] = {1,1,1,1,4,2,2,1}; |
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UCHAR _ux_system_bos_descriptor_structure[] = {1,1,2,1}; |
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UCHAR _ux_system_usb_2_0_extension_descriptor_structure[] = {1,1,1,4}; |
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UCHAR _ux_system_container_id_descriptor_structure[] = {1,1,1,1,4,4,4,4}; |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _ux_system_initialize PORTABLE C */ |
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/* 6.3.0 */ |
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/* AUTHOR */ |
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/* */ |
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/* Chaoqiong Xiao, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function initializes the various control data structures for */ |
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/* the USBX system. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* regular_memory_pool_start Start of non cached memory pool */ |
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/* regular_memory_size Size of non cached memory pool */ |
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/* cache_safe_memory_pool_start Start of cached memory pool */ |
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/* cache_safe_memory_size Size of cached memory pool */ |
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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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/* _ux_utility_memory_allocate Allocate memory */ |
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/* _ux_utility_memory_set Set memory */ |
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/* _ux_utility_mutex_create Create mutex */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application */ |
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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 Chaoqiong Xiao Initial Version 6.0 */ |
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/* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ |
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/* verified memset and memcpy */ |
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/* cases, */ |
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/* resulting in version 6.1 */ |
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/* 12-31-2020 Chaoqiong Xiao Modified comment(s), */ |
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/* added BOS support, */ |
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/* resulting in version 6.1.3 */ |
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/* 01-31-2022 Chaoqiong Xiao Modified comment(s), */ |
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/* added standalone support, */ |
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/* resulting in version 6.1.10 */ |
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/* 10-31-2023 Chaoqiong Xiao Modified comment(s), */ |
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/* refined memory management, */ |
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/* added UX_ASSERT check for */ |
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/* STD descriptor parse size, */ |
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/* resulting in version 6.3.0 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _ux_system_initialize(VOID *regular_memory_pool_start, ULONG regular_memory_size, |
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VOID *cache_safe_memory_pool_start, ULONG cache_safe_memory_size) |
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{ |
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ALIGN_TYPE int_memory_pool_start; |
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VOID *regular_memory_pool_end; |
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VOID *cache_safe_memory_pool_end; |
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ULONG memory_pool_offset; |
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#if !defined(UX_STANDALONE) |
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UINT status; |
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#endif |
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ULONG pool_size; |
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/* Check if the regular memory pool is valid. */ |
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✓✗✗✓
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if ((regular_memory_pool_start == UX_NULL) || (regular_memory_size == 0)) |
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return(UX_INVALID_PARAMETER); |
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/* Reset memory block */ |
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_ux_utility_memory_set(regular_memory_pool_start, 0, regular_memory_size); /* Use case of memset is verified. */ |
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/* Set the _ux_system structure at the start of our regular memory */ |
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_ux_system = (UX_SYSTEM *) regular_memory_pool_start; |
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/* Add to the memory offset the size of the allocated block. */ |
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memory_pool_offset = sizeof(UX_SYSTEM); |
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#ifndef UX_DEVICE_SIDE_ONLY |
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/* Set the _ux_system_host structure. */ |
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_ux_system_host = (UX_SYSTEM_HOST *) (((UCHAR *) regular_memory_pool_start) + memory_pool_offset); |
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/* Add to the memory offset the size of the allocated block. */ |
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memory_pool_offset += (ULONG)sizeof(UX_SYSTEM_HOST); |
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#endif |
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#ifndef UX_HOST_SIDE_ONLY |
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/* Set the _ux_system_slave structure. */ |
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_ux_system_slave = (UX_SYSTEM_SLAVE *) (((UCHAR *) regular_memory_pool_start) + memory_pool_offset); |
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/* Add to the memory offset the size of the allocated block. */ |
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memory_pool_offset += (ULONG)sizeof(UX_SYSTEM_SLAVE); |
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#endif |
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#ifdef UX_OTG_SUPPORT |
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/* Set the _ux_system_otg structure. */ |
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_ux_system_otg = (UX_SYSTEM_OTG *) (((UCHAR *) regular_memory_pool_start) + memory_pool_offset); |
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/* Add to the memory offset the size of the allocated block. */ |
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memory_pool_offset += (ULONG)sizeof(UX_SYSTEM_OTG); |
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#endif |
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/* Set the regular memory pool structure. */ |
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_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] = (UX_MEMORY_BYTE_POOL *) (((UCHAR *) regular_memory_pool_start) + memory_pool_offset); |
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/* Add to the memory offset the size of the allocated block. */ |
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memory_pool_offset += (ULONG)sizeof(UX_MEMORY_BYTE_POOL); |
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/* Check if the cache save memory pool is valid. */ |
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✓✓✓✗
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if ((cache_safe_memory_pool_start != UX_NULL) && (cache_safe_memory_size != 0)) |
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{ |
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/* Set the cache safe memory pool structure. */ |
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_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_CACHE_SAFE] = (UX_MEMORY_BYTE_POOL *) (((UCHAR *) regular_memory_pool_start) + memory_pool_offset); |
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/* Add to the memory offset the size of the allocated block. */ |
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memory_pool_offset += (ULONG)sizeof(UX_MEMORY_BYTE_POOL); |
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} |
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else |
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{ |
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/* Set the cache safe memory pool structure to regular pool. */ |
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_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_CACHE_SAFE] = _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR]; |
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} |
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/* Make sure the regular memory pool is aligned properly */ |
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int_memory_pool_start = (ALIGN_TYPE) (((UCHAR *) regular_memory_pool_start) + memory_pool_offset); |
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int_memory_pool_start += UX_ALIGN_MIN; |
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int_memory_pool_start &= ~((ALIGN_TYPE)UX_ALIGN_MIN); |
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/* Set the end of the regular memory pool. */ |
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regular_memory_pool_end = (void *) (((UCHAR *) regular_memory_pool_start) + regular_memory_size); |
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/* Check if we have memory available. */ |
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✓✓ |
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if (int_memory_pool_start >= (ALIGN_TYPE)regular_memory_pool_end) |
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{ |
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/* No memory available. */ |
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return(UX_MEMORY_INSUFFICIENT); |
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} |
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/* get the regular memory pool size. */ |
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pool_size = (ULONG) (((ALIGN_TYPE) regular_memory_pool_end) - int_memory_pool_start); |
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/* Create the regular memory pool. */ |
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_ux_utility_memory_byte_pool_create(_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR], |
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(UX_MEMORY_BYTE_POOL *)int_memory_pool_start, |
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pool_size); |
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/* Check the definition of the cache safe pool. If the application or controller do not require any cache safe memory, |
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define the cached safe memory region as the regular memory region. */ |
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✓✓✓✗
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if ((cache_safe_memory_pool_start != UX_NULL) && (cache_safe_memory_size != 0)) |
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{ |
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/* Reset this memory block */ |
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_ux_utility_memory_set(cache_safe_memory_pool_start, 0, cache_safe_memory_size); /* Use case of memset is verified. */ |
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/* Make sure the cache safe memory pool is aligned properly */ |
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int_memory_pool_start = (ALIGN_TYPE) cache_safe_memory_pool_start; |
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int_memory_pool_start += UX_ALIGN_MIN; |
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int_memory_pool_start &= ~((ALIGN_TYPE)UX_ALIGN_MIN); |
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cache_safe_memory_pool_end = (void *) (((UCHAR *) cache_safe_memory_pool_start) + cache_safe_memory_size); |
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/* Check if we have memory available. */ |
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✗✓ |
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if (int_memory_pool_start >= (ALIGN_TYPE) cache_safe_memory_pool_end) |
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{ |
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/* No memory available. */ |
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return(UX_MEMORY_INSUFFICIENT); |
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} |
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pool_size = (ULONG) (((ALIGN_TYPE) cache_safe_memory_pool_end) - int_memory_pool_start); |
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_ux_utility_memory_byte_pool_create(_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_CACHE_SAFE], |
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(UX_MEMORY_BYTE_POOL *)int_memory_pool_start, pool_size); |
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} |
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#ifdef UX_ENABLE_MEMORY_STATISTICS |
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_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_min_free = |
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_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available; |
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_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_CACHE_SAFE] -> ux_byte_pool_min_free = |
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_ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_CACHE_SAFE] -> ux_byte_pool_available; |
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/* Other fields are kept zero. */ |
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#endif |
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#ifdef UX_ENABLE_DEBUG_LOG |
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/* Obtain memory for storing the debug log. */ |
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_ux_system -> ux_system_debug_log_buffer = _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, UX_DEBUG_LOG_SIZE); |
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if (_ux_system -> ux_system_debug_log_buffer == UX_NULL) |
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return(UX_MEMORY_INSUFFICIENT); |
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/* Setup the head and tail pointers. */ |
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_ux_system -> ux_system_debug_log_head = _ux_system -> ux_system_debug_log_buffer; |
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_ux_system -> ux_system_debug_log_tail = _ux_system -> ux_system_debug_log_buffer; |
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/* Keep the size in system structure variable. */ |
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_ux_system -> ux_system_debug_log_size = UX_DEBUG_LOG_SIZE; |
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#endif |
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#if !defined(UX_STANDALONE) |
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/* Create the Mutex object used by USBX to control critical sections. */ |
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status = _ux_system_mutex_create(&_ux_system -> ux_system_mutex, "ux_system_mutex"); |
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✓✓ |
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if(status != UX_SUCCESS) |
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return(UX_MUTEX_ERROR); |
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#endif |
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return(UX_SUCCESS); |
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} |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _uxe_system_initialize PORTABLE C */ |
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/* 6.3.0 */ |
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/* AUTHOR */ |
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/* */ |
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/* Chaoqiong Xiao, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function checks errors in system initialization function call. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* regular_memory_pool_start Start of non cached memory pool */ |
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/* regular_memory_size Size of non cached memory pool */ |
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/* cache_safe_memory_pool_start Start of cached memory pool */ |
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/* cache_safe_memory_size Size of cached memory pool */ |
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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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/* _ux_system_initialize Get encoded feedback */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application */ |
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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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/* 10-31-2023 Chaoqiong Xiao Initial Version 6.3.0 */ |
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/* */ |
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/**************************************************************************/ |
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404 |
UINT _uxe_system_initialize(VOID *regular_memory_pool_start, ULONG regular_memory_size, |
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VOID *cache_safe_memory_pool_start, ULONG cache_safe_memory_size) |
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{ |
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/* Compiling option check of descriptors structs. */ |
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UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_endpoint_descriptor_structure, UX_ENDPOINT_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_ENDPOINT_DESCRIPTOR)); |
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UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_device_descriptor_structure, UX_DEVICE_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_DEVICE_DESCRIPTOR)); |
339 |
|
|
UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_configuration_descriptor_structure, UX_CONFIGURATION_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_CONFIGURATION_DESCRIPTOR)); |
340 |
|
|
UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_interface_descriptor_structure, UX_INTERFACE_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_INTERFACE_DESCRIPTOR)); |
341 |
|
|
UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_interface_association_descriptor_structure, UX_INTERFACE_ASSOCIATION_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_INTERFACE_ASSOCIATION_DESCRIPTOR)); |
342 |
|
|
UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_string_descriptor_structure, UX_STRING_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_STRING_DESCRIPTOR)); |
343 |
|
|
UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_dfu_functional_descriptor_structure, UX_DFU_FUNCTIONAL_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_DFU_FUNCTIONAL_DESCRIPTOR)); |
344 |
|
|
UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_bos_descriptor_structure, UX_BOS_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_BOS_DESCRIPTOR)); |
345 |
|
|
UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_usb_2_0_extension_descriptor_structure, UX_USB_2_0_EXTENSION_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_USB_2_0_EXTENSION_DESCRIPTOR)); |
346 |
|
|
UX_ASSERT((_ux_utility_descriptor_parse_size(_ux_system_container_id_descriptor_structure, UX_CONTAINER_ID_DESCRIPTOR_ENTRIES, 0x3u)) == sizeof(UX_CONTAINER_ID_DESCRIPTOR)); |
347 |
|
|
|
348 |
|
|
|
349 |
|
|
/* Sanity check. */ |
350 |
✓✗✗✓
|
404 |
if ((regular_memory_pool_start == UX_NULL) || (regular_memory_size == 0)) |
351 |
|
|
return(UX_INVALID_PARAMETER); |
352 |
|
|
|
353 |
|
|
/* Invoke system initialization function. */ |
354 |
|
404 |
return(_ux_system_initialize(regular_memory_pool_start, regular_memory_size, |
355 |
|
|
cache_safe_memory_pool_start, cache_safe_memory_size)); |
356 |
|
|
} |