/* tick.h -- Definition of types and structures for openrisc 1000 tick timer
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/* tick.h -- Definition of types and structures for openrisc 1000 tick timer
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Copyright (C) 2000 Damjan Lampret, lampret@opencores.org
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Copyright (C) 2000 Damjan Lampret, lampret@opencores.org
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This file is part of OpenRISC 1000 Architectural Simulator.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Prototypes */
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/* Reset the tick counter */
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void tick_reset();
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void tick_reset();
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/* Drives clock to tick counter */
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inline void tick_clock();
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inline void tick_clock();
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/* Starts the tick timer. This function is called by a write to ttcr spr register */
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void spr_write_ttcr (unsigned long value);
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void spr_write_ttmr (unsigned long value);
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unsigned long spr_read_ttcr ();
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