91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: cmos.h,v 1.13 2005-12-04 17:43:09 vruppert Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002 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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#if BX_USE_CMOS_SMF
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# define BX_CMOS_SMF static
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# define BX_CMOS_THIS theCmosDevice->
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#else
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# define BX_CMOS_SMF
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# define BX_CMOS_THIS this->
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#endif
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class bx_cmos_c : public bx_cmos_stub_c {
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public:
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bx_cmos_c(void);
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~bx_cmos_c(void);
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virtual void init(void);
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virtual void checksum_cmos(void);
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virtual void reset(unsigned type);
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virtual void save_image(void);
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virtual Bit32u get_reg(unsigned reg) {
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return s.reg[reg];
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}
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virtual void set_reg(unsigned reg, Bit32u val) {
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s.reg[reg] = val;
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}
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virtual time_t get_timeval() {
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return s.timeval;
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}
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struct {
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int periodic_timer_index;
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Bit32u periodic_interval_usec;
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int one_second_timer_index;
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int uip_timer_index;
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time_t timeval;
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Bit8u cmos_mem_address;
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bx_bool timeval_change;
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bx_bool rtc_mode_12hour;
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bx_bool rtc_mode_binary;
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Bit8u reg[128];
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} s; // state information
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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_CMOS_SMF
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Bit32u read(Bit32u address, unsigned io_len);
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void write(Bit32u address, Bit32u value, unsigned len);
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#endif
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public:
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static void periodic_timer_handler(void *);
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static void one_second_timer_handler(void *);
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static void uip_timer_handler(void *);
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BX_CMOS_SMF void periodic_timer(void);
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BX_CMOS_SMF void one_second_timer(void);
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BX_CMOS_SMF void uip_timer(void);
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private:
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BX_CMOS_SMF void update_clock(void);
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BX_CMOS_SMF void update_timeval(void);
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BX_CMOS_SMF void CRA_change(void);
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};
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