///////////////////////////////////////////////////////////////////////// // $Id: cmos.h,v 1.16 2006-05-27 15:54:48 sshwarts Exp $ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2002 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_IODEV_CMOS_H #define BX_IODEV_CMOS_H #if BX_USE_CMOS_SMF # define BX_CMOS_SMF static # define BX_CMOS_THIS theCmosDevice-> #else # define BX_CMOS_SMF # define BX_CMOS_THIS this-> #endif class bx_cmos_c : public bx_cmos_stub_c { public: bx_cmos_c(); virtual ~bx_cmos_c(); virtual void init(void); virtual void checksum_cmos(void); virtual void reset(unsigned type); virtual void save_image(void); #if BX_SUPPORT_SAVE_RESTORE virtual void register_state(void); virtual void after_restore_state(void); #endif virtual Bit32u get_reg(unsigned reg) { return s.reg[reg]; } virtual void set_reg(unsigned reg, Bit32u val) { s.reg[reg] = val; } virtual time_t get_timeval() { return s.timeval; } struct { int periodic_timer_index; Bit32u periodic_interval_usec; int one_second_timer_index; int uip_timer_index; time_t timeval; Bit8u cmos_mem_address; bx_bool timeval_change; bx_bool rtc_mode_12hour; bx_bool rtc_mode_binary; Bit8u reg[128]; } s; // state information 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_CMOS_SMF Bit32u read(Bit32u address, unsigned io_len); void write(Bit32u address, Bit32u value, unsigned len); #endif public: static void periodic_timer_handler(void *); static void one_second_timer_handler(void *); static void uip_timer_handler(void *); BX_CMOS_SMF void periodic_timer(void); BX_CMOS_SMF void one_second_timer(void); BX_CMOS_SMF void uip_timer(void); private: BX_CMOS_SMF void update_clock(void); BX_CMOS_SMF void update_timeval(void); BX_CMOS_SMF void CRA_change(void); }; #endif