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/////////////////////////////////////////////////////////////////////////
// $Id: cmos.h,v 1.9 2003/01/04 00:02:07 vruppert 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
#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(void);
~bx_cmos_c(void);
virtual void init(void);
virtual void checksum_cmos(void);
virtual void reset(unsigned type);
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;
Bit8u reg[BX_NUM_CMOS_REGS];
} 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);
};
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