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port/threadx/inc/nx_port.h
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194
port/threadx/inc/nx_port.h
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/***************************************************************************
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* Copyright (c) 2024 Microsoft Corporation
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* Copyright (c) 2025-present Eclipse ThreadX Contributors
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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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/** NetX Component */
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/** */
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/** Port Specific */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/* */
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/* PORT SPECIFIC C INFORMATION RELEASE */
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/* */
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/* nx_port.h PIC32x/Microchip */
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/* 6.4.3 */
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/* */
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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 file contains data type definitions that make the NetX */
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/* real-time TCP/IP function identically on a variety of different */
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/* processor architectures. */
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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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/* 10-31-2022 Zhen Kong Initial PIC32x/Microchip */
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/* Support Version 6.2.0 */
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/* */
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/**************************************************************************/
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#ifndef NX_PORT_H
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#define NX_PORT_H
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#include "tx_port.h"
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/* Determine if the optional NetX user define file should be used. */
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#ifdef NX_INCLUDE_USER_DEFINE_FILE
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/* Yes, include the user defines in nx_user.h. The defines in this file may
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alternately be defined on the command line. */
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#include "nx_user.h"
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#endif
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/* Default to little endian, since this is what most RISC-V targets are. */
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#define NX_LITTLE_ENDIAN
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/* Define various constants for the port. */
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#ifndef NX_IP_PERIODIC_RATE
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#define NX_IP_PERIODIC_RATE \
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10 /* Default IP periodic rate of 1 second for \
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ports with 1ms timer interrupts. This \
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value may be defined instead at the \
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command line and this value will not be \
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used. */
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#endif
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/* Define macros that swap the endian for little endian ports. */
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#ifdef NX_LITTLE_ENDIAN
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#define NX_CHANGE_ULONG_ENDIAN(arg) \
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{ \
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ULONG _i; \
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ULONG _tmp; \
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_i = (UINT)arg; \
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/* _i = A, B, C, D */ \
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_tmp = _i ^ (((_i) >> 16) | (_i << 16)); \
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/* _tmp = _i ^ (_i ROR 16) = A^C, B^D, C^A, D^B */ \
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_tmp &= 0xff00ffff; \
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/* _tmp = A^C, 0, C^A, D^B */ \
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_i = ((_i) >> 8) | (_i << 24); \
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/* _i = D, A, B, C */ \
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_i = _i ^ ((_tmp) >> 8); \
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/* _i = D, C, B, A */ \
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arg = _i; \
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}
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#define NX_CHANGE_USHORT_ENDIAN(a) (a = (((a >> 8) | (a << 8)) & 0xFFFF))
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#ifndef htonl
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#define htonl(val) NX_CHANGE_ULONG_ENDIAN(val)
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#endif /* htonl */
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#ifndef ntohl
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#define ntohl(val) NX_CHANGE_ULONG_ENDIAN(val)
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#endif /* ntohl */
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#ifndef htons
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#define htons(val) NX_CHANGE_USHORT_ENDIAN(val)
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#endif /*htons */
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#ifndef ntohs
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#define ntohs(val) NX_CHANGE_USHORT_ENDIAN(val)
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#endif /*ntohs */
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#else
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#define NX_CHANGE_ULONG_ENDIAN(a)
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#define NX_CHANGE_USHORT_ENDIAN(a)
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#ifndef htons
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#define htons(val) (val)
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#endif /* htons */
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#ifndef ntohs
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#define ntohs(val) (val)
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#endif /* ntohs */
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#ifndef ntohl
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#define ntohl(val) (val)
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#endif
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#ifndef htonl
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#define htonl(val) (val)
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#endif /* htonl */
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#endif
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/* Define several macros for the error checking shell in NetX. */
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#ifndef TX_TIMER_PROCESS_IN_ISR
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#define NX_CALLER_CHECKING_EXTERNS \
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extern TX_THREAD* _tx_thread_current_ptr; \
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extern TX_THREAD _tx_timer_thread; \
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extern volatile ULONG TX_THREAD_GET_SYSTEM_STATE();
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#define NX_THREADS_ONLY_CALLER_CHECKING \
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if((TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == TX_NULL) || (_tx_thread_current_ptr == &_tx_timer_thread)) \
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return (NX_CALLER_ERROR);
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#define NX_INIT_AND_THREADS_CALLER_CHECKING \
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if(((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG)0xF0F0F0F0))) || \
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(_tx_thread_current_ptr == &_tx_timer_thread)) \
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return (NX_CALLER_ERROR);
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#define NX_NOT_ISR_CALLER_CHECKING \
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if((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG)0xF0F0F0F0))) \
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return (NX_CALLER_ERROR);
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#define NX_THREAD_WAIT_CALLER_CHECKING \
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if((wait_option) && \
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((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == &_tx_timer_thread))) \
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return (NX_CALLER_ERROR);
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#else
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#define NX_CALLER_CHECKING_EXTERNS \
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extern TX_THREAD* _tx_thread_current_ptr; \
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extern volatile ULONG TX_THREAD_GET_SYSTEM_STATE();
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#define NX_THREADS_ONLY_CALLER_CHECKING \
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if((TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == TX_NULL)) \
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return (NX_CALLER_ERROR);
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#define NX_INIT_AND_THREADS_CALLER_CHECKING \
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if(((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG)0xF0F0F0F0)))) \
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return (NX_CALLER_ERROR);
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#define NX_NOT_ISR_CALLER_CHECKING \
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if((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG)0xF0F0F0F0))) \
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return (NX_CALLER_ERROR);
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#define NX_THREAD_WAIT_CALLER_CHECKING \
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if((wait_option) && ((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()))) \
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return (NX_CALLER_ERROR);
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#endif
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/* Define the version ID of NetX. This may be utilized by the application. */
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#ifdef NX_SYSTEM_INIT
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CHAR _nx_version_id[] = "Copyright (c) 2024 Microsoft Corporation. * NetX Duo PIC32x/MPLAB Version 6.4.1 *";
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#else
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extern CHAR _nx_version_id[];
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#endif
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#endif
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