2c8f92039d
Added initial support Xilinx Embedded Software. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
170 lines
7.7 KiB
C
Executable file
170 lines
7.7 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2007 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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* @file fsl.h
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*
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* This file contains macros for interfacing to the Fast Simplex Link (FSL)
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* interface..
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- ---------------------------------------------------
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* 1.00a ecm 06/20/07 Initial version, moved over from bsp area
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* 1.11c ecm 08/26/08 Fixed the missing 'FSL_DEFAULT' define that was causing
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* assembly errors.
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* </pre>
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*
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* @note
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*
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* None.
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*
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******************************************************************************/
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#ifndef _FSL_H
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#define _FSL_H
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/***************************** Include Files *********************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/************************** Constant Definitions *****************************/
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/* if these have not been defined already, define here */
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#ifndef stringify
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/* necessary for pre-processor */
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#define stringify(s) tostring(s)
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#define tostring(s) #s
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#endif /* stringify */
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/* Extended FSL macros. These now replace all of the previous FSL macros */
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#define FSL_DEFAULT
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#define FSL_NONBLOCKING n
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#define FSL_EXCEPTION e
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#define FSL_CONTROL c
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#define FSL_ATOMIC a
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#define FSL_NONBLOCKING_EXCEPTION ne
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#define FSL_NONBLOCKING_CONTROL nc
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#define FSL_NONBLOCKING_ATOMIC na
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#define FSL_EXCEPTION_CONTROL ec
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#define FSL_EXCEPTION_ATOMIC ea
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#define FSL_CONTROL_ATOMIC ca
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#define FSL_NONBLOCKING_EXCEPTION_CONTROL nec
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#define FSL_NONBLOCKING_EXCEPTION_ATOMIC nea
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#define FSL_NONBLOCKING_CONTROL_ATOMIC nca
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#define FSL_EXCEPTION_CONTROL_ATOMIC eca
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#define FSL_NONBLOCKING_EXCEPTION_CONTROL_ATOMIC neca
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#define getfslx(val, id, flags) asm volatile (stringify(flags) "get\t%0,rfsl" stringify(id) : "=d" (val))
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#define putfslx(val, id, flags) asm volatile (stringify(flags) "put\t%0,rfsl" stringify(id) :: "d" (val))
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#define tgetfslx(val, id, flags) asm volatile ("t" stringify(flags) "get\t%0,rfsl" stringify(id) : "=d" (val))
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#define tputfslx(id, flags) asm volatile ("t" stringify(flags) "put\trfsl" stringify(id))
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#define getdfslx(val, var, flags) asm volatile (stringify(flags) "getd\t%0,%1" : "=d" (val) : "d" (var))
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#define putdfslx(val, var, flags) asm volatile (stringify(flags) "putd\t%0,%1" :: "d" (val), "d" (var))
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#define tgetdfslx(val, var, flags) asm volatile ("t" stringify(flags) "getd\t%0,%1" : "=d" (val) : "d" (var))
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#define tputdfslx(var, flags) asm volatile ("t" stringify(flags) "putd\t%0" :: "d" (var))
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/* if the mb_interface.h file has been included already, the following are not needed and will not be defined */
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/* Legacy FSL Access Macros */
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#ifndef getfsl
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/* Blocking Data Read and Write to FSL no. id */
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#define getfsl(val, id) asm volatile ("get\t%0,rfsl" stringify(id) : "=d" (val))
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#define putfsl(val, id) asm volatile ("put\t%0,rfsl" stringify(id) :: "d" (val))
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/* Non-blocking Data Read and Write to FSL no. id */
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#define ngetfsl(val, id) asm volatile ("nget\t%0,rfsl" stringify(id) : "=d" (val))
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#define nputfsl(val, id) asm volatile ("nput\t%0,rfsl" stringify(id) :: "d" (val))
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/* Blocking Control Read and Write to FSL no. id */
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#define cgetfsl(val, id) asm volatile ("cget\t%0,rfsl" stringify(id) : "=d" (val))
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#define cputfsl(val, id) asm volatile ("cput\t%0,rfsl" stringify(id) :: "d" (val))
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/* Non-blocking Control Read and Write to FSL no. id */
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#define ncgetfsl(val, id) asm volatile ("ncget\t%0,rfsl" stringify(id) : "=d" (val))
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#define ncputfsl(val, id) asm volatile ("ncput\t%0,rfsl" stringify(id) :: "d" (val))
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/* Polling versions of FSL access macros. This makes the FSL access interruptible */
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#define getfsl_interruptible(val, id) asm volatile ("\n1:\n\tnget\t%0,rfsl" stringify(id) "\n\t" \
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"addic\tr18,r0,0\n\t" \
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"bnei\tr18,1b\n" \
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: "=d" (val) :: "r18")
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#define putfsl_interruptible(val, id) asm volatile ("\n1:\n\tnput\t%0,rfsl" stringify(id) "\n\t" \
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"addic\tr18,r0,0\n\t" \
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"bnei\tr18,1b\n" \
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:: "d" (val) : "r18")
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#define cgetfsl_interruptible(val, id) asm volatile ("\n1:\n\tncget\t%0,rfsl" stringify(id) "\n\t" \
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"addic\tr18,r0,0\n\t" \
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"bnei\tr18,1b\n" \
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: "=d" (val) :: "r18")
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#define cputfsl_interruptible(val, id) asm volatile ("\n1:\n\tncput\t%0,rfsl" stringify(id) "\n\t" \
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"addic\tr18,r0,0\n\t" \
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"bnei\tr18,1b\n" \
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:: "d" (val) : "r18")
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/* FSL valid and error check macros. */
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#define fsl_isinvalid(result) asm volatile ("addic\t%0,r0,0" : "=d" (result))
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#define fsl_iserror(error) asm volatile ("mfs\t%0,rmsr\n\t" \
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"andi\t%0,%0,0x10" : "=d" (error))
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#endif /* legacy FSL defines */
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/************************** Function Prototypes ******************************/
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/************************** Variable Definitions *****************************/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FSL_H */
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