mirror of
https://github.com/marqs85/ossc.git
synced 2024-11-19 05:30:48 +00:00
82 lines
3.8 KiB
C
82 lines
3.8 KiB
C
#ifndef __IO_H__
|
|
#define __IO_H__
|
|
|
|
/******************************************************************************
|
|
* *
|
|
* License Agreement *
|
|
* *
|
|
* Copyright (c) 2003 Altera Corporation, San Jose, California, USA. *
|
|
* 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. *
|
|
* *
|
|
* 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 THE *
|
|
* AUTHORS OR COPYRIGHT HOLDERS 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. *
|
|
* *
|
|
* This agreement shall be governed in all respects by the laws of the State *
|
|
* of California and by the laws of the United States of America. *
|
|
* *
|
|
* Altera does not recommend, suggest or require that this reference design *
|
|
* file be used in conjunction or combination with any other product. *
|
|
******************************************************************************/
|
|
|
|
/* IO Header file for Nios II Toolchain */
|
|
|
|
#include "alt_types.h"
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif /* __cplusplus */
|
|
|
|
#ifndef SYSTEM_BUS_WIDTH
|
|
#define SYSTEM_BUS_WIDTH 32
|
|
#endif
|
|
|
|
/* Dynamic bus access functions */
|
|
|
|
#define __IO_CALC_ADDRESS_DYNAMIC(BASE, OFFSET) \
|
|
((void *)(((alt_u8*)BASE) + (OFFSET)))
|
|
|
|
#define IORD_32DIRECT(BASE, OFFSET) \
|
|
__builtin_ldwio (__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)))
|
|
#define IORD_16DIRECT(BASE, OFFSET) \
|
|
__builtin_ldhuio (__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)))
|
|
#define IORD_8DIRECT(BASE, OFFSET) \
|
|
__builtin_ldbuio (__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)))
|
|
|
|
#define IOWR_32DIRECT(BASE, OFFSET, DATA) \
|
|
__builtin_stwio (__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)), (DATA))
|
|
#define IOWR_16DIRECT(BASE, OFFSET, DATA) \
|
|
__builtin_sthio (__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)), (DATA))
|
|
#define IOWR_8DIRECT(BASE, OFFSET, DATA) \
|
|
__builtin_stbio (__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)), (DATA))
|
|
|
|
/* Native bus access functions */
|
|
|
|
#define __IO_CALC_ADDRESS_NATIVE(BASE, REGNUM) \
|
|
((void *)(((alt_u8*)BASE) + ((REGNUM) * (SYSTEM_BUS_WIDTH/8))))
|
|
|
|
#define IORD(BASE, REGNUM) \
|
|
__builtin_ldwio (__IO_CALC_ADDRESS_NATIVE ((BASE), (REGNUM)))
|
|
#define IOWR(BASE, REGNUM, DATA) \
|
|
__builtin_stwio (__IO_CALC_ADDRESS_NATIVE ((BASE), (REGNUM)), (DATA))
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __IO_H__ */
|