| /****************************************************************************** |
| * |
| * Copyright (C) 2007 - 2014 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 |
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| * The above copyright notice and this permission notice shall be included in |
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| * Use of the Software is limited solely to applications: |
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| ******************************************************************************/ |
| /*****************************************************************************/ |
| /** |
| * @file fsl.h |
| * @addtogroup cpu_v2_3 |
| * @{ |
| * |
| * This file contains macros for interfacing to the Fast Simplex Link (FSL) |
| * interface.. |
| * |
| * <pre> |
| * 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. |
| * </pre> |
| * |
| * @note |
| * |
| * None. |
| * |
| ******************************************************************************/ |
| |
| |
| #ifndef _FSL_H |
| #define _FSL_H |
| |
| /***************************** Include Files *********************************/ |
| |
| |
| #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 */ |
| /** @} */ |
