Release 4.11 arch/c6x/include/asm/timex.h

/*
 *  Port on Texas Instruments TMS320C6x architecture
 *
 *  Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated
 *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
 *
 *  Modified for 2.6.34: Mark Salter <msalter@redhat.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 */
#ifndef _ASM_C6X_TIMEX_H

#define _ASM_C6X_TIMEX_H


#define CLOCK_TICK_RATE ((1000 * 1000000UL) / 6)

/* 64-bit timestamp */

typedef unsigned long long cycles_t;



static inline cycles_t get_cycles(void)
{
	unsigned l, h;

	asm volatile (" dint\n"
                      " mvc .s2 TSCL,%0\n"
                      " mvc .s2 TSCH,%1\n"
                      " rint\n"
                      : "=b"(l), "=b"(h));
	return ((cycles_t)h << 32) | l;
}

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#endif /* _ASM_C6X_TIMEX_H */
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Directory: arch/c6x/include/asm

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