mirror of
https://github.com/azure-rtos/netx.git
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211 lines
9.0 KiB
C
211 lines
9.0 KiB
C
/**************************************************************************/
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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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/** 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 ARC_HS/MetaWare */
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/* 6.1 */
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/* */
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/* AUTHOR */
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/* */
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/* Yuxin Zhou, 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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/* 09-30-2020 Yuxin Zhou Initial Version 6.1 */
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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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/* 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 ARM targets are. */
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#define NX_LITTLE_ENDIAN 1
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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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 100 /* Default IP periodic rate of 1 second for
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ports with 10ms 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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#define __SWAP32__(val) ((((val) & 0xFF000000) >> 24 ) | (((val) & 0x00FF0000) >> 8) \
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| (((val) & 0x0000FF00) << 8) | (((val) & 0x000000FF) << 24))
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#define __SWAP16__(val) ((((val) & 0xFF00) >> 8) | (((val) & 0x00FF) << 8))
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#ifndef htonl
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#define htonl(val) __SWAP32__(val)
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#endif /* htonl */
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#ifndef ntohl
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#define ntohl(val) __SWAP32__(val)
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#endif /* htonl */
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#ifndef htons
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#define htons(val) __SWAP16__(val)
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#endif /*htons */
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#ifndef ntohs
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#define ntohs(val) __SWAP16__(val)
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#endif /*htons */
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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 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_system_state;
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#define NX_THREADS_ONLY_CALLER_CHECKING if ((_tx_thread_system_state) || \
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(_tx_thread_current_ptr == TX_NULL) || \
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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_INIT_AND_THREADS_CALLER_CHECKING if (((_tx_thread_system_state) && (_tx_thread_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 if ((_tx_thread_system_state) && (_tx_thread_system_state < ((ULONG) 0xF0F0F0F0))) \
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return(NX_CALLER_ERROR);
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#define NX_THREAD_WAIT_CALLER_CHECKING if ((wait_option) && \
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((_tx_thread_current_ptr == NX_NULL) || (_tx_thread_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 extern TX_THREAD *_tx_thread_current_ptr; \
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extern volatile ULONG _tx_thread_system_state;
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#define NX_THREADS_ONLY_CALLER_CHECKING if ((_tx_thread_system_state) || \
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(_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 if (((_tx_thread_system_state) && (_tx_thread_system_state < ((ULONG) 0xF0F0F0F0)))) \
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return(NX_CALLER_ERROR);
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#define NX_NOT_ISR_CALLER_CHECKING if ((_tx_thread_system_state) && (_tx_thread_system_state < ((ULONG) 0xF0F0F0F0))) \
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return(NX_CALLER_ERROR);
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#define NX_THREAD_WAIT_CALLER_CHECKING if ((wait_option) && \
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((_tx_thread_current_ptr == NX_NULL) || (_tx_thread_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[] =
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"Copyright (c) Microsoft Corporation. All rights reserved. * NetX ARC_HS/MetaWare Version 6.1 *";
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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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