/* $Id: xio_dcr.h,v 1.7 2002/07/26 20:27:56 moleres Exp $ *//********************************************************************************       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 xio_dcr.h** The DCR I/O access functions.** @note** These access functions are specific to the PPC405 CPU. Changes might be* necessary for other members of the IBM PPC Family.** <pre>* MODIFICATION HISTORY:** Ver   Who  Date     Changes* ----- ---- -------- -----------------------------------------------* 1.00a ecm  10/18/01 First release* </pre>** @internal** The C functions which subsequently call into either the assembly code* or into the provided table of functions are required since the registers* assigned to the calling and return from functions are strictly defined* in the ABI and that definition is used in the low-level functions* directly. The use of macros is not recommended since the temporary* registers in the ABI are defined but there is no way to force* the compiler to use a specific register in a block of code.*******************************************************************************/#ifndef XDCRIO_H /* prevent circular inclusions */#define XDCRIO_H /* by using protection macros *//***************************** Include Files *********************************/#include "xbasic_types.h"/************************** Constant Definitions *****************************/#define MAX_DCR_REGISTERS           1024#define MAX_DCR_REGISTER            MAX_DCR_REGISTERS - 1#define MIN_DCR_REGISTER            0/**************************** Type Definitions *******************************//***************** Macros (Inline Functions) Definitions *********************//************************** Function Prototypes ******************************//* * Access Functions */void XIo_DcrOut(Xuint32 DcrRegister, Xuint32 Data);Xuint32 XIo_DcrIn(Xuint32 DcrRegister);#endif            /* end of protection macro */