diff options
Diffstat (limited to 'FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo_bsp/ps7_cortexa9_0/include/xil_io.h')
| -rw-r--r-- | FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo_bsp/ps7_cortexa9_0/include/xil_io.h | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo_bsp/ps7_cortexa9_0/include/xil_io.h b/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo_bsp/ps7_cortexa9_0/include/xil_io.h new file mode 100644 index 000000000..06e83bfa8 --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo_bsp/ps7_cortexa9_0/include/xil_io.h @@ -0,0 +1,254 @@ +/****************************************************************************** +* +* (c) Copyright 2009-13 Xilinx, Inc. All rights reserved. +* +* This file contains confidential and proprietary information of Xilinx, Inc. +* and is protected under U.S. and international copyright and other +* intellectual property laws. +* +* DISCLAIMER +* This disclaimer is not a license and does not grant any rights to the +* materials distributed herewith. Except as otherwise provided in a valid +* license issued to you by Xilinx, and to the maximum extent permitted by +* applicable law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND WITH ALL +* FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES AND CONDITIONS, EXPRESS, +* IMPLIED, OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF +* MERCHANTABILITY, NON-INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; +* and (2) Xilinx shall not be liable (whether in contract or tort, including +* negligence, or under any other theory of liability) for any loss or damage +* of any kind or nature related to, arising under or in connection with these +* materials, including for any direct, or any indirect, special, incidental, +* or consequential loss or damage (including loss of data, profits, goodwill, +* or any type of loss or damage suffered as a result of any action brought by +* a third party) even if such damage or loss was reasonably foreseeable or +* Xilinx had been advised of the possibility of the same. +* +* CRITICAL APPLICATIONS +* Xilinx products are not designed or intended to be fail-safe, or for use in +* any application requiring fail-safe performance, such as life-support or +* safety devices or systems, Class III medical devices, nuclear facilities, +* applications related to the deployment of airbags, or any other applications +* that could lead to death, personal injury, or severe property or +* environmental damage (individually and collectively, "Critical +* Applications"). Customer assumes the sole risk and liability of any use of +* Xilinx products in Critical Applications, subject only to applicable laws +* and regulations governing limitations on product liability. +* +* THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS PART OF THIS FILE +* AT ALL TIMES. +* +******************************************************************************/ +/*****************************************************************************/ +/** +* +* @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(u32 Addr); +u16 Xil_In16(u32 Addr); +u32 Xil_In32(u32 Addr); + +void Xil_Out8(u32 Addr, u8 Value); +void Xil_Out16(u32 Addr, u16 Value); +void Xil_Out32(u32 Addr, u32 Value); + +u16 Xil_In16BE(u32 Addr); +u32 Xil_In32BE(u32 Addr); +void Xil_Out16BE(u32 Addr, u16 Value); +void Xil_Out32BE(u32 Addr, u32 Value); + +u16 Xil_EndianSwap16(u16 Data); +u32 Xil_EndianSwap32(u32 Data); + +#ifdef __cplusplus +} +#endif + +#endif /* end of protection macro */ |