socal.h

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/******************************************************************************
 *
 * Copyright 2013 Altera Corporation. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. The name of the author may not be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 ******************************************************************************/
 
 
#ifndef __ALTERA_SOCAL_H__
#define __ALTERA_SOCAL_H__
 
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#include <cstddef>
#include <cstdbool>
#include <cstdint>
#else   /* __cplusplus */
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>
#endif  /* __cplusplus */
#endif  /* __ASSEMBLY__ */
 
#ifdef __cplusplus
extern "C"
{
#endif  /* __cplusplus */
 
#ifdef __ASSEMBLY__
#define ALT_CAST(type, ptr)  ptr
#else   /* __ASSEMBLY__ */
#define ALT_CAST(type, ptr)  ((type) (ptr))
#endif  /* __ASSEMBLY__ */
 
#define alt_write_byte(dest, src)       (*ALT_CAST(volatile uint8_t *, (dest)) = (src))
 
#define alt_read_byte(src)              (*ALT_CAST(volatile uint8_t *, (src)))
 
#define alt_write_hword(dest, src)      (*ALT_CAST(volatile uint16_t *, (dest)) = (src))
 
#define alt_read_hword(src)             (*ALT_CAST(volatile uint16_t *, (src)))
 
#define alt_write_word(dest, src)       (*ALT_CAST(volatile uint32_t *, (dest)) = (src))
 
#define alt_read_word(src)              (*ALT_CAST(volatile uint32_t *, (src)))
 
#define alt_write_dword(dest, src)      (*ALT_CAST(volatile uint64_t *, (dest)) = (src))
 
#define alt_read_dword(src)             (*ALT_CAST(volatile uint64_t *, (src)))
 
#define     alt_setbits_byte(dest, bits)        (alt_write_byte(dest, alt_read_byte(dest) | (bits)))
 
#define     alt_clrbits_byte(dest, bits)        (alt_write_byte(dest, alt_read_byte(dest) & ~(bits)))
 
#define     alt_xorbits_byte(dest, bits)        (alt_write_byte(dest, alt_read_byte(dest) ^ (bits)))
 
#define     alt_replbits_byte(dest, msk, src)   (alt_write_byte(dest,(alt_read_byte(dest) & ~(msk)) | ((src) & (msk))))
 
#define     alt_setbits_hword(dest, bits)       (alt_write_hword(dest, alt_read_hword(dest) | (bits)))
 
#define     alt_clrbits_hword(dest, bits)       (alt_write_hword(dest, alt_read_hword(dest) & ~(bits)))
 
#define     alt_xorbits_hword(dest, bits)       (alt_write_hword(dest, alt_read_hword(dest) ^ (bits)))
 
#define     alt_replbits_hword(dest, msk, src)   (alt_write_hword(dest,(alt_read_hword(dest) & ~(msk)) | ((src) & (msk))))
 
#define     alt_setbits_word(dest, bits)        (alt_write_word(dest, alt_read_word(dest) | (bits)))
 
#define     alt_clrbits_word(dest, bits)        (alt_write_word(dest, alt_read_word(dest) & ~(bits)))
 
#define     alt_xorbits_word(dest, bits)        (alt_write_word(dest, alt_read_word(dest) ^ (bits)))
 
#define     alt_replbits_word(dest, msk, src)   (alt_write_word(dest,(alt_read_word(dest) & ~(msk)) | ((src) & (msk))))
 
#define     alt_setbits_dword(dest, bits)       (alt_write_dword(dest, alt_read_dword(dest) | (bits)))
 
#define     alt_clrbits_dword(dest, bits)       (alt_write_dword(dest, alt_read_dword(dest) & ~(bits)))
 
#define     alt_xorbits_dword(dest, bits)       (alt_write_dword(dest, alt_read_dword(dest) ^ (bits)))
 
#define     alt_replbits_dword(dest, msk, src)   (alt_write_dword(dest,(alt_read_dword(dest) & ~(msk)) | ((src) & (msk))))
 
#ifdef __cplusplus
}
#endif  /* __cplusplus */
#endif  /* __ALTERA_SOCAL_H__ */