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-rw-r--r--tools/ioemu/iodev/pit_wrap.h104
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diff --git a/tools/ioemu/iodev/pit_wrap.h b/tools/ioemu/iodev/pit_wrap.h
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+/////////////////////////////////////////////////////////////////////////
+// $Id: pit_wrap.h,v 1.17 2003/08/19 00:10:38 cbothamy Exp $
+/////////////////////////////////////////////////////////////////////////
+//
+// Copyright (C) 2001 MandrakeSoft S.A.
+//
+// MandrakeSoft S.A.
+// 43, rue d'Aboukir
+// 75002 Paris - France
+// http://www.linux-mandrake.com/
+// http://www.mandrakesoft.com/
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#ifndef _BX_PIT_WRAP_H
+#define _BX_PIT_WRAP_H
+
+#include "bochs.h"
+
+#if BX_USE_NEW_PIT
+
+#include "pit82c54.h"
+
+#if BX_USE_PIT_SMF
+# define BX_PIT_SMF static
+# define BX_PIT_THIS bx_pit.
+#else
+# define BX_PIT_SMF
+# define BX_PIT_THIS this->
+#endif
+
+#ifdef OUT
+# undef OUT
+#endif
+
+class bx_pit_c : public logfunctions {
+public:
+ bx_pit_c( void );
+ ~bx_pit_c( void );
+ BX_PIT_SMF int init( void );
+ BX_PIT_SMF void reset( unsigned type);
+ BX_PIT_SMF bx_bool periodic( Bit32u usec_delta );
+
+ BX_PIT_SMF int SaveState( class state_file *fd );
+ BX_PIT_SMF int LoadState( class state_file *fd );
+
+private:
+
+ static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
+ static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
+#if !BX_USE_PIT_SMF
+ Bit32u read( Bit32u addr, unsigned int len );
+ void write( Bit32u addr, Bit32u Value, unsigned int len );
+#endif
+
+ struct s_type {
+ pit_82C54 timer;
+ Bit8u speaker_data_on;
+ bx_bool refresh_clock_div2;
+ int timer_handle[3];
+ Bit64u last_usec;
+ Bit32u last_next_event_time;
+ Bit64u total_ticks;
+ Bit64u usec_per_second;
+ Bit64u ticks_per_second;
+ Bit64u total_sec;
+ Bit64u last_time;
+ Bit64u last_sec_usec;
+ Bit64u max_ticks;
+ Bit64u stored_delta;
+ Bit64u total_usec;
+ Bit64u em_last_realtime;
+ Bit64u last_realtime_delta;
+ Bit64u last_realtime_ticks;
+ } s;
+
+ static void timer_handler(void *this_ptr);
+ BX_PIT_SMF void handle_timer();
+
+ BX_PIT_SMF void write_count_reg( Bit8u value, unsigned timerid );
+ BX_PIT_SMF Bit8u read_counter( unsigned timerid );
+ BX_PIT_SMF void latch( unsigned timerid );
+ BX_PIT_SMF void set_GATE(unsigned pit_id, unsigned value);
+ BX_PIT_SMF void start(unsigned timerid);
+
+ BX_PIT_SMF void second_update_data(void);
+};
+
+extern bx_pit_c bx_pit;
+
+#endif // #if BX_USE_NEW_PIT
+#endif // #ifndef _BX_PIT_WRAP_H