/* $Id: fsl.h,v 1.1.2.2 2010/07/02 16:08:32 haibing Exp $ */ /****************************************************************************** * * (c) Copyright 2007-2009 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 fsl.h * * This file contains macros for interfacing to the Fast Simplex Link (FSL) * interface.. * * 
* MODIFICATION HISTORY:
*
* Ver   Who  Date     Changes
* ----- ---- -------- ---------------------------------------------------
* 1.00a ecm  06/20/07 Initial version, moved over from bsp area
* 1.11c ecm  08/26/08 Fixed the missing 'FSL_DEFAULT' define that was causing
*					  assembly errors.
*
* * @note * * None. * ******************************************************************************/ #ifndef _FSL_H #define _FSL_H /***************************** Include Files *********************************/ #include "xbasic_types.h" #ifdef __cplusplus extern "C" { #endif /************************** Constant Definitions *****************************/ /**************************** Type Definitions *******************************/ /***************** Macros (Inline Functions) Definitions *********************/ /* if these have not been defined already, define here */ #ifndef stringify /* necessary for pre-processor */ #define stringify(s) tostring(s) #define tostring(s) #s #endif /* stringify */ /* Extended FSL macros. These now replace all of the previous FSL macros */ #define FSL_DEFAULT #define FSL_NONBLOCKING n #define FSL_EXCEPTION e #define FSL_CONTROL c #define FSL_ATOMIC a #define FSL_NONBLOCKING_EXCEPTION ne #define FSL_NONBLOCKING_CONTROL nc #define FSL_NONBLOCKING_ATOMIC na #define FSL_EXCEPTION_CONTROL ec #define FSL_EXCEPTION_ATOMIC ea #define FSL_CONTROL_ATOMIC ca #define FSL_NONBLOCKING_EXCEPTION_CONTROL nec #define FSL_NONBLOCKING_EXCEPTION_ATOMIC nea #define FSL_NONBLOCKING_CONTROL_ATOMIC nca #define FSL_EXCEPTION_CONTROL_ATOMIC eca #define FSL_NONBLOCKING_EXCEPTION_CONTROL_ATOMIC neca #define getfslx(val, id, flags) asm volatile (stringify(flags) "get\t%0,rfsl" stringify(id) : "=d" (val)) #define putfslx(val, id, flags) asm volatile (stringify(flags) "put\t%0,rfsl" stringify(id) :: "d" (val)) #define tgetfslx(val, id, flags) asm volatile ("t" stringify(flags) "get\t%0,rfsl" stringify(id) : "=d" (val)) #define tputfslx(id, flags) asm volatile ("t" stringify(flags) "put\trfsl" stringify(id)) #define getdfslx(val, var, flags) asm volatile (stringify(flags) "getd\t%0,%1" : "=d" (val) : "d" (var)) #define putdfslx(val, var, flags) asm volatile (stringify(flags) "putd\t%0,%1" :: "d" (val), "d" (var)) #define tgetdfslx(val, var, flags) asm volatile ("t" stringify(flags) "getd\t%0,%1" : "=d" (val) : "d" (var)) #define tputdfslx(var, flags) asm volatile ("t" stringify(flags) "putd\t%0" :: "d" (var)) /* if the mb_interface.h file has been included already, the following are not needed and will not be defined */ /* Legacy FSL Access Macros */ #ifndef getfsl /* Blocking Data Read and Write to FSL no. id */ #define getfsl(val, id) asm volatile ("get\t%0,rfsl" stringify(id) : "=d" (val)) #define putfsl(val, id) asm volatile ("put\t%0,rfsl" stringify(id) :: "d" (val)) /* Non-blocking Data Read and Write to FSL no. id */ #define ngetfsl(val, id) asm volatile ("nget\t%0,rfsl" stringify(id) : "=d" (val)) #define nputfsl(val, id) asm volatile ("nput\t%0,rfsl" stringify(id) :: "d" (val)) /* Blocking Control Read and Write to FSL no. id */ #define cgetfsl(val, id) asm volatile ("cget\t%0,rfsl" stringify(id) : "=d" (val)) #define cputfsl(val, id) asm volatile ("cput\t%0,rfsl" stringify(id) :: "d" (val)) /* Non-blocking Control Read and Write to FSL no. id */ #define ncgetfsl(val, id) asm volatile ("ncget\t%0,rfsl" stringify(id) : "=d" (val)) #define ncputfsl(val, id) asm volatile ("ncput\t%0,rfsl" stringify(id) :: "d" (val)) /* Polling versions of FSL access macros. This makes the FSL access interruptible */ #define getfsl_interruptible(val, id) asm volatile ("\n1:\n\tnget\t%0,rfsl" stringify(id) "\n\t" \ "addic\tr18,r0,0\n\t" \ "bnei\tr18,1b\n" \ : "=d" (val) :: "r18") #define putfsl_interruptible(val, id) asm volatile ("\n1:\n\tnput\t%0,rfsl" stringify(id) "\n\t" \ "addic\tr18,r0,0\n\t" \ "bnei\tr18,1b\n" \ :: "d" (val) : "r18") #define cgetfsl_interruptible(val, id) asm volatile ("\n1:\n\tncget\t%0,rfsl" stringify(id) "\n\t" \ "addic\tr18,r0,0\n\t" \ "bnei\tr18,1b\n" \ : "=d" (val) :: "r18") #define cputfsl_interruptible(val, id) asm volatile ("\n1:\n\tncput\t%0,rfsl" stringify(id) "\n\t" \ "addic\tr18,r0,0\n\t" \ "bnei\tr18,1b\n" \ :: "d" (val) : "r18") /* FSL valid and error check macros. */ #define fsl_isinvalid(result) asm volatile ("addic\t%0,r0,0" : "=d" (result)) #define fsl_iserror(error) asm volatile ("mfs\t%0,rmsr\n\t" \ "andi\t%0,%0,0x10" : "=d" (error)) #endif /* legacy FSL defines */ /************************** Function Prototypes ******************************/ /************************** Variable Definitions *****************************/ #ifdef __cplusplus } #endif #endif /* _FSL_H */