--- /dev/null
+/******************************************************************************
+*
+* Copyright (C) 2009 - 2015 Xilinx, Inc. All rights reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* Use of the Software is limited solely to applications:
+* (a) running on a Xilinx device, or
+* (b) that interact with a Xilinx device through a bus or interconnect.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+* SOFTWARE.
+*
+* Except as contained in this notice, the name of the Xilinx shall not be used
+* in advertising or otherwise to promote the sale, use or other dealings in
+* this Software without prior written authorization from Xilinx.
+*
+******************************************************************************/
+/*****************************************************************************/
+/**
+*
+* @file xil_io.h
+*
+* This file contains the interface for the general IO component, which
+* encapsulates the Input/Output functions for processors that do not
+* require any special I/O handling.
+*
+*
+* <pre>
+* MODIFICATION HISTORY:
+*
+* Ver Who Date Changes
+* ----- -------- -------- -----------------------------------------------
+* 1.00a ecm/sdm 10/24/09 First release
+* 1.00a sdm 07/21/10 Added Xil_Htonl/s, Xil_Ntohl/s
+* 3.07a asa 08/31/12 Added xil_printf.h include
+* 3.08a sgd 11/05/12 Reverted SYNC macros definitions
+* </pre>
+******************************************************************************/
+
+#ifndef XIL_IO_H /* prevent circular inclusions */
+#define XIL_IO_H /* by using protection macros */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/***************************** Include Files *********************************/
+
+#include "xil_types.h"
+#include "xpseudo_asm.h"
+#include "xil_printf.h"
+
+/************************** Constant Definitions *****************************/
+
+/**************************** Type Definitions *******************************/
+
+/***************** Macros (Inline Functions) Definitions *********************/
+
+#if defined __GNUC__
+# define SYNCHRONIZE_IO dmb()
+# define INST_SYNC isb()
+# define DATA_SYNC dsb()
+#else
+# define SYNCHRONIZE_IO
+# define INST_SYNC
+# define DATA_SYNC
+#endif /* __GNUC__ */
+
+/*****************************************************************************/
+/**
+*
+* Perform an big-endian input operation for a 16-bit memory location
+* by reading from the specified address and returning the Value read from
+* that address.
+*
+* @param Addr contains the address to perform the input operation at.
+*
+* @return The Value read from the specified input address with the
+* proper endianness. The return Value has the same endianness
+* as that of the processor, i.e. if the processor is
+* little-engian, the return Value is the byte-swapped Value read
+* from the address.
+*
+* @note None.
+*
+******************************************************************************/
+#define Xil_In16LE(Addr) Xil_In16((Addr))
+
+/*****************************************************************************/
+/**
+*
+* Perform a big-endian input operation for a 32-bit memory location
+* by reading from the specified address and returning the Value read from
+* that address.
+*
+* @param Addr contains the address to perform the input operation at.
+*
+* @return The Value read from the specified input address with the
+* proper endianness. The return Value has the same endianness
+* as that of the processor, i.e. if the processor is
+* little-engian, the return Value is the byte-swapped Value read
+* from the address.
+*
+*
+* @note None.
+*
+******************************************************************************/
+#define Xil_In32LE(Addr) Xil_In32((Addr))
+
+/*****************************************************************************/
+/**
+*
+* Perform a big-endian output operation for a 16-bit memory location
+* by writing the specified Value to the specified address.
+*
+* @param Addr contains the address to perform the output operation at.
+* @param Value contains the Value to be output at the specified address.
+* The Value has the same endianness as that of the processor.
+* If the processor is little-endian, the byte-swapped Value is
+* written to the address.
+*
+*
+* @return None
+*
+* @note None.
+*
+******************************************************************************/
+#define Xil_Out16LE(Addr, Value) Xil_Out16((Addr), (Value))
+
+/*****************************************************************************/
+/**
+*
+* Perform a big-endian output operation for a 32-bit memory location
+* by writing the specified Value to the specified address.
+*
+* @param Addr contains the address to perform the output operation at.
+* @param Value contains the Value to be output at the specified address.
+* The Value has the same endianness as that of the processor.
+* If the processor is little-endian, the byte-swapped Value is
+* written to the address.
+*
+* @return None
+*
+* @note None.
+*
+******************************************************************************/
+#define Xil_Out32LE(Addr, Value) Xil_Out32((Addr), (Value))
+
+/*****************************************************************************/
+/**
+*
+* Convert a 32-bit number from host byte order to network byte order.
+*
+* @param Data the 32-bit number to be converted.
+*
+* @return The converted 32-bit number in network byte order.
+*
+* @note None.
+*
+******************************************************************************/
+#define Xil_Htonl(Data) Xil_EndianSwap32((Data))
+
+/*****************************************************************************/
+/**
+*
+* Convert a 16-bit number from host byte order to network byte order.
+*
+* @param Data the 16-bit number to be converted.
+*
+* @return The converted 16-bit number in network byte order.
+*
+* @note None.
+*
+******************************************************************************/
+#define Xil_Htons(Data) Xil_EndianSwap16((Data))
+
+/*****************************************************************************/
+/**
+*
+* Convert a 32-bit number from network byte order to host byte order.
+*
+* @param Data the 32-bit number to be converted.
+*
+* @return The converted 32-bit number in host byte order.
+*
+* @note None.
+*
+******************************************************************************/
+#define Xil_Ntohl(Data) Xil_EndianSwap32((Data))
+
+/*****************************************************************************/
+/**
+*
+* Convert a 16-bit number from network byte order to host byte order.
+*
+* @param Data the 16-bit number to be converted.
+*
+* @return The converted 16-bit number in host byte order.
+*
+* @note None.
+*
+******************************************************************************/
+#define Xil_Ntohs(Data) Xil_EndianSwap16((Data))
+
+/************************** Function Prototypes ******************************/
+
+/* The following functions allow the software to be transportable across
+ * processors which may use memory mapped I/O or I/O which is mapped into a
+ * seperate address space.
+ */
+u8 Xil_In8(INTPTR Addr);
+u16 Xil_In16(INTPTR Addr);
+u32 Xil_In32(UINTPTR Addr);
+
+void Xil_Out8(INTPTR Addr, u8 Value);
+void Xil_Out16(INTPTR Addr, u16 Value);
+void Xil_Out32(UINTPTR Addr, u32 Value);
+
+
+u16 Xil_In16BE(INTPTR Addr);
+u32 Xil_In32BE(INTPTR Addr);
+void Xil_Out16BE(INTPTR Addr, u16 Value);
+void Xil_Out32BE(INTPTR Addr, u32 Value);
+
+u16 Xil_EndianSwap16(u16 Data);
+u32 Xil_EndianSwap32(u32 Data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* end of protection macro */
projects / freertos / blobdiff