77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
// 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
|
|
|
|
|
|
|
|
|
|
|
|
#if BX_USE_CMOS_SMF
|
|
# define BX_CMOS_SMF static
|
|
# define BX_CMOS_THIS bx_cmos.
|
|
#else
|
|
# define BX_CMOS_SMF
|
|
# define BX_CMOS_THIS this->
|
|
#endif
|
|
|
|
|
|
class bx_cmos_c {
|
|
public:
|
|
bx_cmos_c(void);
|
|
~bx_cmos_c(void);
|
|
|
|
BX_CMOS_SMF void init(bx_devices_c *);
|
|
BX_CMOS_SMF void checksum_cmos(void);
|
|
BX_CMOS_SMF void reset(void);
|
|
|
|
struct {
|
|
int periodic_timer_index;
|
|
Bit32u periodic_interval_usec;
|
|
int one_second_timer_index;
|
|
time_t timeval;
|
|
Bit8u cmos_mem_address;
|
|
|
|
Bit8u reg[BX_NUM_CMOS_REGS];
|
|
} s; // state information
|
|
|
|
private:
|
|
bx_devices_c *devices;
|
|
|
|
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 *);
|
|
private:
|
|
BX_CMOS_SMF void update_clock(void);
|
|
BX_CMOS_SMF void CRA_change(void);
|
|
};
|
|
|
|
|
|
#if BX_USE_CMOS_SMF
|
|
extern bx_cmos_c bx_cmos;
|
|
#endif
|