2c8f92039d
Added initial support Xilinx Embedded Software. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
269 lines
7.8 KiB
C
Executable file
269 lines
7.8 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2002 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xenv_vxworks.h
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*
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* Defines common services specified by xenv.h.
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*
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* @note
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* This file is not intended to be included directly by driver code.
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* Instead, the generic xenv.h file is intended to be included by driver
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* code.
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
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* 1.00a wgr 02/28/07 Added cache handling macros.
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* 1.00a wgr 02/27/07 Simplified code. Deprecated old-style macro names.
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* 1.00a xd 11/03/04 Improved support for doxygen.
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* rmm 09/13/03 CR 177068: Fix compiler warning in XENV_MEM_FILL
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* rmm 10/24/02 Added XENV_USLEEP macro
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* 1.00a rmm 07/16/01 First release
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* 1.10a wgr 03/22/07 Converted to new coding style.
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* </pre>
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*
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*
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******************************************************************************/
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#ifndef XENV_VXWORKS_H
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#define XENV_VXWORKS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***************************** Include Files *********************************/
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#include "xbasic_types.h"
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#include "vxWorks.h"
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#include "vxLib.h"
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#include "sysLibExtra.h"
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#include "cacheLib.h"
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#include <string.h>
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/*****************************************************************************/
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/**
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*
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* Copies a non-overlapping block of memory.
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*
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* @param DestPtr
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* Destination address to copy data to.
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*
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* @param SrcPtr
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* Source address to copy data from.
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*
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* @param Bytes
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* Number of bytes to copy.
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*
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* @return None.
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*
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* @note XENV_MEM_COPY is deprecated. Use memcpy() instead.
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*
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*****************************************************************************/
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#define XENV_MEM_COPY(DestPtr, SrcPtr, Bytes) \
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memcpy((void *) DestPtr, (const void *) SrcPtr, (size_t) Bytes)
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/*****************************************************************************/
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/**
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*
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* Fills an area of memory with constant data.
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*
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* @param DestPtr
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* Destination address to copy data to.
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*
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* @param Data
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* Value to set.
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*
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* @param Bytes
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* Number of bytes to copy.
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*
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* @return None.
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*
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* @note XENV_MEM_FILL is deprecated. Use memset() instead.
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*
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*****************************************************************************/
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#define XENV_MEM_FILL(DestPtr, Data, Bytes) \
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memset((void *) DestPtr, (int) Data, (size_t) Bytes)
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#if (CPU_FAMILY==PPC)
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/**
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* A structure that contains a time stamp used by other time stamp macros
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* defined below. This structure is processor dependent.
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*/
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typedef struct
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{
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u32 TimeBaseUpper;
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u32 TimeBaseLower;
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} XENV_TIME_STAMP;
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/*****************************************************************************/
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/**
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*
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* Time is derived from the 64 bit PPC timebase register
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*
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* @param StampPtr is the storage for the retrieved time stamp.
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*
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* @return None.
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*
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* @note
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*
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* Signature: void XENV_TIME_STAMP_GET(XTIME_STAMP *StampPtr)
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*
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*****************************************************************************/
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#define XENV_TIME_STAMP_GET(StampPtr) \
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{ \
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vxTimeBaseGet((UINT32*)&(StampPtr)->TimeBaseUpper, \
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(UINT32*)&(StampPtr)->TimeBaseLower); \
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}
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/*****************************************************************************/
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/**
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*
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* This macro is not yet implemented and always returns 0.
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*
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* @param Stamp1Ptr is the first sampled time stamp.
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* @param Stamp2Ptr is the second sampled time stamp.
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*
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* @return 0
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*
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* @note None.
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*
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*****************************************************************************/
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#define XENV_TIME_STAMP_DELTA_US(Stamp1Ptr, Stamp2Ptr) (0)
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/*****************************************************************************/
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/**
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*
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* This macro is not yet implemented and always returns 0.
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*
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* @param Stamp1Ptr is the first sampled time stamp.
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* @param Stamp2Ptr is the second sampled time stamp.
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*
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* @return 0
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*
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* @note
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*
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* None.
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*
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*****************************************************************************/
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#define XENV_TIME_STAMP_DELTA_MS(Stamp1Ptr, Stamp2Ptr) (0)
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/* For non-PPC systems the above macros are not defined. Generate a error to
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* make the developer aware of the problem.
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*/
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#else
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#error "XENV_TIME_STAMP_GET used in a non-PPC system. Aborting."
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#endif
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/*****************************************************************************/
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/**
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*
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* Delay the specified number of microseconds.
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*
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* @param delay
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* Number of microseconds to delay.
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*
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* @return None.
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*
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*****************************************************************************/
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#define XENV_USLEEP(delay) sysUsDelay(delay)
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#define udelay(delay) sysUsDelay(delay)
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/******************************************************************************
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*
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* CACHE handling macros / mappings
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*
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******************************************************************************/
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/******************************************************************************
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*
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* PowerPC case
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*
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******************************************************************************/
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#if (CPU_FAMILY==PPC)
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#define XCACHE_ENABLE_CACHE() \
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{ XCACHE_ENABLE_DCACHE(); XCACHE_ENABLE_ICACHE(); }
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#define XCACHE_DISABLE_CACHE() \
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{ XCACHE_DISABLE_DCACHE(); XCACHE_DISABLE_ICACHE(); }
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#define XCACHE_ENABLE_DCACHE() cacheEnable(DATA_CACHE)
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#define XCACHE_DISABLE_DCACHE() cacheDisable(DATA_CACHE)
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#define XCACHE_ENABLE_ICACHE() cacheEnable(INSTRUCTION_CACHE)
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#define XCACHE_DISABLE_ICACHE() cacheDisable(INSTRUCTION_CACHE)
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#define XCACHE_INVALIDATE_DCACHE_RANGE(Addr, Len) \
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cacheInvalidate(DATA_CACHE, (void *)(Addr), (Len))
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#define XCACHE_FLUSH_DCACHE_RANGE(Addr, Len) \
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cacheFlush(DATA_CACHE, (void *)(Addr), (Len))
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#define XCACHE_INVALIDATE_ICACHE_RANGE(Addr, Len) \
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cacheInvalidate(INSTRUCTION_CACHE, (void *)(Addr), (Len))
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#define XCACHE_FLUSH_ICACHE_RANGE(Addr, Len) \
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cacheFlush(INSTRUCTION_CACHE, (void *)(Addr), (Len))
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/******************************************************************************
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*
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* Unknown processor / architecture
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*
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******************************************************************************/
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#else
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#error "Unknown processor / architecture. Must be PPC for VxWorks."
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifdef XENV_VXWORKS_H */
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