fc0ee2dc3e
Also added a hack to keep the OpenBSD timer problem from filling the log. The new PIT seems to work, but until some enhancements are made to the way the timers and devices.cc work, it'll be slower than the old one.
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
// 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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#ifdef 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( void );
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~bx_pit_c( void );
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BX_PIT_SMF int init( bx_devices_c *);
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BX_PIT_SMF Boolean periodic( Bit32u usec_delta );
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BX_PIT_SMF int SaveState( class state_file *fd );
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BX_PIT_SMF int LoadState( class state_file *fd );
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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 int len );
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void write( Bit32u addr, Bit32u Value, unsigned int len );
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#endif
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struct {
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pit_82C54 timer;
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Bit8u speaker_data_on;
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Boolean refresh_clock_div2;
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int timer_handle[3];
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} s;
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bx_devices_c *devices;
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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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};
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extern bx_pit_c bx_pit;
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#endif // #ifdef BX_USE_NEW_PIT
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#endif // #ifndef _BX_PIT_WRAP_H
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