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127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
/*-
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* Copyright (c) 2003-2009 RMI Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of RMI Corporation, nor the names of its contributors,
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* RMI_BSD */
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#ifndef UTILS_H
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#define UTILS_H
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#include <machine/stdarg.h> /* variable args */
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/* TODO optimize of mips, even i & (i-1) is better */
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static int __inline__
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get_set_bit_count64(uint64_t value)
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{
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int i, result = 0;
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for (i = 0; i < sizeof(value) * 8; i++)
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if (value & (1ULL << i))
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result++;
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return result;
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}
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static int __inline__
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find_first_set_bit64(uint64_t value)
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{
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int i;
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for (i = 0; i < sizeof(value) * 8; i++)
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if (value & (1ULL << i))
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return i;
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return -1;
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}
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static int __inline__
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find_next_set_bit64(uint64_t value, int pos)
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{
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int i;
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for (i = pos + 1; i < sizeof(value) * 8; i++)
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if (value & (1ULL << i))
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return i;
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return -1;
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}
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/** --- **/
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static int __inline__
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get_set_bit_count(uint32_t value)
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{
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int i, result = 0;
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for (i = 0; i < sizeof(value) * 8; i++)
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if (value & (1U << i))
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result++;
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return result;
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}
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static int __inline__
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find_first_set_bit(uint32_t value)
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{
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int i;
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for (i = 0; i < sizeof(value) * 8; i++)
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if (value & (1U << i))
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return i;
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return -1;
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}
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static int __inline__
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find_next_set_bit(uint32_t value, int pos)
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{
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int i;
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for (i = pos + 1; i < sizeof(value) * 8; i++)
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if (value & (1U << i))
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return i;
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return -1;
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}
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#ifdef DEBUG
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void abort();
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#define DPUTC(c) (putchar(c) && fflush(stdout))
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#define DPRINT(fmt, ...) printf(fmt "\n", __VA_ARGS__)
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#define ASSERT(x) ((x) || ({ printf("%s failed at (%s:%d)", #x, __FILE__, __LINE__) ; abort(); 0; }) )
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#else
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#define DPUTC(c)
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#define DPRINT(fmt, ...)
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#define ASSERT(x)
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#endif
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void xlr_send_sample(uint32_t tag, uint32_t value, uint32_t ts, uint32_t td);
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#endif
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