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/*
* Copyright (c) International Business Machines Corp., 2014
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* File: misc.h
* Author: Shaun Wetzstein <shaun@us.ibm.com?
* Descr: Misc. library helper functions
* Note:
* Date: 10/22/10
*/
#ifndef __MISC_H__
#define __MISC_H__
#include <stdint.h>
#include <stdio.h>
#include <sys/syscall.h>
#include "attribute.h"
#include "align.h"
#include "min.h"
#include "max.h"
#define INT32_BIT (CHAR_BIT*sizeof(int32_t))
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#ifndef gettid
#define gettid() ({ \
pid_t __tid = (pid_t)syscall(SYS_gettid); \
__tid; \
})
#endif
#define is_pow2(x) \
({ \
typeof(x) _x = (x); \
(((_x) != 0) && !((_x) & ((_x) - 1))); \
})
#define __align(x,y) \
({ \
assert(is_pow2((y))); \
typeof((y)) _y = (y) - 1; \
typeof((x)) _x = ((x)+_y) & ~_y; \
_x; \
})
extern void prefetch(void *addr, size_t len, ...) __nonnull((1));
extern void print_binary(FILE *, void *, size_t);
extern void dump_memory(FILE *, uint32_t, const void *__restrict,
size_t) __nonnull((1, 3));
extern unsigned long align(unsigned long size, unsigned long offset);
extern int __round_pow2(int size);
#endif /* __MISC_H__ */
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