/********************************************************************************       XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS"*       AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND*       SOLUTIONS FOR XILINX DEVICES.  BY PROVIDING THIS DESIGN, CODE,*       OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE,*       APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION*       THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT,*       AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE*       FOR YOUR IMPLEMENTATION.  XILINX EXPRESSLY DISCLAIMS ANY*       WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE*       IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR*       REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF*       INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS*       FOR A PARTICULAR PURPOSE.**       (c) Copyright 2002 Xilinx Inc.*       All rights reserved.*******************************************************************************//*****************************************************************************//**** @file xenv_vxworks.h** Defines common services that are typically found in a VxWorks target* environment.** @note** This file is not intended to be included directly by driver code. Instead,* the generic xenv.h file is intended to be included by driver code.** <pre>* MODIFICATION HISTORY:** Ver   Who  Date     Changes* ----- ---- -------- -----------------------------------------------* 1.00a xd   11/03/04 Improved support for doxygen.*       rmm  09/13/03 CR 177068: Fix compiler warning in XENV_MEM_FILL*       rmm  10/24/02 Added XENV_USLEEP macro* 1.00a rmm  07/16/01 First release* </pre>********************************************************************************/#ifndef XENV_VXWORKS_H /* prevent circular inclusions */#define XENV_VXWORKS_H /* by using protection macros *//***************************** Include Files *********************************/#include "xbasic_types.h"#include "vxWorks.h"#include "vxLib.h"#include <string.h>/*****************************************************************************//** * * Copies a non-overlapping block of memory. * * @param   DestPtr is the destination address to copy data to. * @param   SrcPtr is the source address to copy data from. * @param   Bytes is the number of bytes to copy. * * @return  None. * * @note * * Signature: void XENV_MEM_COPY(void *DestPtr, void *SrcPtr, unsigned Bytes) * *****************************************************************************/#define XENV_MEM_COPY(DestPtr, SrcPtr, Bytes)                     \{                                                                 \    void *Dest = (DestPtr);                                       \    void *Src  = (SrcPtr);                                        \    unsigned LengthBytes = (Bytes);                               \                                                                  \    memcpy(Dest, Src, (size_t)LengthBytes);                       \}/*****************************************************************************//** * * Fills an area of memory with constant data. * * @param   DestPtr is the destination address to set. * @param   Data contains the value to set. * @param   Bytes is the number of bytes to set. * * @return  None. * * @note * * Signature: void XENV_MEM_FILL(void *DestPtr, char Data, unsigned Bytes) * *****************************************************************************/#define XENV_MEM_FILL(DestPtr, Data, Bytes)                       \{                                                                 \    void *Dest = (DestPtr);                                       \    unsigned LengthBytes = (Bytes);                               \                                                                  \    memset(Dest, (int)Data, (size_t)LengthBytes);                 \}#if (CPU_FAMILY==PPC)/** * A structure that contains a time stamp used by other time stamp macros * defined below. This structure is processor dependent. */typedef struct{    Xuint32 TimeBaseUpper;    Xuint32 TimeBaseLower;} XENV_TIME_STAMP;#endif/*****************************************************************************//** * * Time is derived from the 64 bit PPC timebase register * * @param   StampPtr is the storage for the retrieved time stamp. * * @return  None. * * @note * * Signature: void XENV_TIME_STAMP_GET(XTIME_STAMP *StampPtr) * *****************************************************************************/#define XENV_TIME_STAMP_GET(StampPtr)                   \{                                                       \    vxTimeBaseGet((UINT32*)&(StampPtr)->TimeBaseUpper,  \                  (UINT32*)&(StampPtr)->TimeBaseLower); \}/*****************************************************************************//** * * This macro is not yet implemented and always returns 0. * * @param   Stamp1Ptr is the first sampled time stamp. * @param   Stamp2Ptr is the second sampled time stamp. * * @return  0 * * @note    None. * *****************************************************************************/#define XENV_TIME_STAMP_DELTA_US(Stamp1Ptr, Stamp2Ptr)     (0)/*****************************************************************************//** * * This macro is not yet implemented and always returns 0. * * @param   Stamp1Ptr is the first sampled time stamp. * @param   Stamp2Ptr is the second sampled time stamp. * * @return  0 * * @note * * None. * *****************************************************************************/#define XENV_TIME_STAMP_DELTA_MS(Stamp1Ptr, Stamp2Ptr)     (0)/*****************************************************************************//** * * Delay the specified number of microseconds. * * @param   delay is the number of microseconds to delay. * * @return  None. * *****************************************************************************/#define XENV_USLEEP(delay)  sysUsDelay(delay)#endif            /* end of protection macro */