98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: pit_wrap.h,v 1.24 2006-05-27 15:54:49 sshwarts Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef _BX_PIT_WRAP_H
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#define _BX_PIT_WRAP_H
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#include "bochs.h"
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#if BX_USE_NEW_PIT
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#include "pit82c54.h"
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#if BX_USE_PIT_SMF
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# define BX_PIT_SMF static
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# define BX_PIT_THIS bx_pit.
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#else
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# define BX_PIT_SMF
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# define BX_PIT_THIS this->
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#endif
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#ifdef OUT
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# undef OUT
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#endif
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class bx_pit_c : public logfunctions {
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public:
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bx_pit_c();
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virtual ~bx_pit_c() {}
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BX_PIT_SMF int init(void);
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BX_PIT_SMF void reset(unsigned type);
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BX_PIT_SMF bx_bool periodic(Bit32u usec_delta);
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#if BX_SUPPORT_SAVE_RESTORE
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BX_PIT_SMF void register_state(void);
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#endif
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Bit16u get_timer(int Timer) {
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return s.timer.get_inlatch(Timer);
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}
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private:
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static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
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static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
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#if !BX_USE_PIT_SMF
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Bit32u read(Bit32u addr, unsigned len);
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void write(Bit32u addr, Bit32u Value, unsigned len);
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#endif
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struct s_type {
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pit_82C54 timer;
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Bit8u speaker_data_on;
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bx_bool refresh_clock_div2;
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Bit64u last_usec;
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Bit32u last_next_event_time;
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Bit64u total_ticks;
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Bit64u total_usec;
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int timer_handle[3];
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} s;
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static void timer_handler(void *this_ptr);
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BX_PIT_SMF void handle_timer();
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BX_PIT_SMF void write_count_reg( Bit8u value, unsigned timerid );
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BX_PIT_SMF Bit8u read_counter( unsigned timerid );
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BX_PIT_SMF void latch( unsigned timerid );
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BX_PIT_SMF void set_GATE(unsigned pit_id, unsigned value);
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BX_PIT_SMF void start(unsigned timerid);
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BX_PIT_SMF void irq_handler(bx_bool value);
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};
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extern bx_pit_c bx_pit;
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#endif // #if BX_USE_NEW_PIT
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#endif // #ifndef _BX_PIT_WRAP_H
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