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/* tick.h -- Definition of types and structures for openrisc 1000 tick timer

   Copyright (C) 2000 Damjan Lampret, lampret@opencores.org

This file is part of OpenRISC 1000 Architectural Simulator.

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., 675 Mass Ave, Cambridge, MA 02139, USA. */

/* Reset the tick counter */

void tick_reset();

/* Drives clock to tick counter */

inline void tick_clock();

/* Starts the tick timer.  This function is called by a write to ttcr spr register */

void spr_write_ttcr (unsigned long value);

void spr_write_ttmr (unsigned long value);

unsigned long spr_read_ttcr ();