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- implement option to set clock from utc time, on supported platforms

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This commit is contained in:
Christophe Bothamy 2003-09-05 23:17:51 +00:00
parent d983849b1f
commit 5f8213251c
1 changed files with 34 additions and 12 deletions
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46
bochs/iodev/cmos.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: cmos.cc,v 1.40 2003-08-19 00:10:38 cbothamy Exp $
// $Id: cmos.cc,v 1.41 2003-09-05 23:17:51 cbothamy Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -118,7 +118,7 @@ bx_cmos_c::~bx_cmos_c(void)
void
bx_cmos_c::init(void)
{
BX_DEBUG(("Init $Id: cmos.cc,v 1.40 2003-08-19 00:10:38 cbothamy Exp $"));
BX_DEBUG(("Init $Id: cmos.cc,v 1.41 2003-09-05 23:17:51 cbothamy Exp $"));
// CMOS RAM & RTC
DEV_register_ioread_handler(this, read_handler, 0x0070, "CMOS RAM", 1);
@ -142,25 +142,47 @@ bx_cmos_c::init(void)
244, 0, 0, "cmos"); // one-shot, not-active
}
#if BX_USE_SPECIFIED_TIME0 == 0
#if BX_USE_SPECIFIED_TIME0 != 0
// ??? this will not be correct for using an image file.
// perhaps take values in CMOS and work backwards to find
// s.timeval from values read in.
BX_CMOS_THIS s.timeval = time(NULL);
#else
BX_CMOS_THIS s.timeval = BX_USE_SPECIFIED_TIME0;
#endif
#else // BX_USE_SPECIFIED_TIME0 != 0
// localtime
if (bx_options.clock.Otime0->get () == BX_CLOCK_TIME0_LOCAL)
BX_CMOS_THIS s.timeval = time(NULL);
// utc
if (bx_options.clock.Otime0->get () == BX_CLOCK_TIME0_UTC) {
BX_ERROR(("Using UTC time is not supported yet"));
if (bx_options.clock.Otime0->get () == BX_CLOCK_TIME0_LOCAL) {
BX_INFO(("Using local time for initial clock"));
BX_CMOS_THIS s.timeval = time(NULL);
}
else if (bx_options.clock.Otime0->get () != 0)
// utc
else if (bx_options.clock.Otime0->get () == BX_CLOCK_TIME0_UTC) {
bx_bool utc_ok = 0;
BX_INFO(("Using utc time for initial clock"));
BX_CMOS_THIS s.timeval = time(NULL);
#if BX_HAVE_LOCALTIME
localtime(&BX_CMOS_THIS s.timeval);
#if BX_HAVE_TIMEZONE
utc_ok = 1;
BX_CMOS_THIS s.timeval += timezone;
#endif // BX_HAVE_TIMEZONE
#if BX_HAVE_DAYLIGHT
BX_CMOS_THIS s.timeval -= (daylight*3600);
#endif // BX_HAVE_DAYLIGHT
#endif // BX_HAVE_LOCALTIME
if (!utc_ok) {
BX_ERROR(("UTC time is not supported on your platform. Using current localtime"));
}
}
else {
BX_INFO(("Using specified time for initial clock"));
BX_CMOS_THIS s.timeval = bx_options.clock.Otime0->get ();
}
#endif // BX_USE_SPECIFIED_TIME0 != 0
char *tmptime;
while( (tmptime = strdup(ctime(&(BX_CMOS_THIS s.timeval)))) == NULL) {