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22 Commits

Author SHA1 Message Date
aliguori 73822ec806 Add -rtc-td-hack option to fix time drift with RTC on Windows (Gleb Natapov) 
After my last patch to fix interrupt coalescing was rejected
on the basis that it is too intrusive we decided to make the
fix much more localized and only fix the problem for RTC time
source. Unfortunately it is impossible to fix the problem entirely
inside RTC code like Andrzej proposed since Windows reads RTC
register C more then once on each time interrupt so it is impossible
to count reliably how many interrupt windows actually handled.
Proposed solution is localized to I386 target and is disabled by
default. To enable it "-rtc-td-hack" flag should be used.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6320 c046a42c-6fe2-441c-8c8c-71466251a162
 2009-01-15 20:11:34 +00:00
aurel32 6f1bf24d1b Fix day of week in mc146818 
According to mc146818 specification, Day of Week register (#6) is between 1
and 7, 1 representing Sunday. According C specification, tm_wday field in
struct tm is between 0 and 6, 0 representing Sunday.

Bit 2 of register B (#11) is named DM (data mode) and specifies if RTC
stores values in BCD or in binary form.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6310 c046a42c-6fe2-441c-8c8c-71466251a162
 2009-01-14 21:09:07 +00:00
aurel32 c50c2d6847 Remove trailing spaces introduced by commit 6081 
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6085 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-12-18 22:42:43 +00:00
aliguori 16b29ae180 Add HPET emulation to qemu (Beth Kon) 
This patch adds HPET emulation.  It can be disabled with -disable-hpet.  An hpet
provides a more finely granular clocksource than otherwise available on PC.
This means that latency-dependent applications (e.g. multimedia) will generally
be smoother when using the HPET.

Signed-off-by: Beth Kon <eak@us.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6081 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-12-17 23:28:44 +00:00
pbrook 8da3ff1809 Change MMIO callbacks to use offsets, not absolute addresses. 
Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5849 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-12-01 18:59:50 +00:00
balrog f650305967 Unify RTCs that use host time, fix M48t59 alarm. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3984 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-02-17 11:42:19 +00:00
ths bee8d6842d qemu_put signedness fixes, by Andre Przywara. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3824 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-12-16 23:41:11 +00:00
pbrook 9596ebb701 Add statics and missing #includes for prototypes. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3683 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-18 01:44:38 +00:00
pbrook 87ecb68bdf Break up vl.h. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3674 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-17 17:14:51 +00:00
bellard 7e0af5d097 added -startdate option 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3540 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-07 16:24:33 +00:00
ths 3b46e62427 find -type f | xargs sed -i 's/[\t ]*$//g' # Yes, again. Note the star in the regex. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3177 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-17 08:09:54 +00:00
ths 5fafdf24ef find -type f | xargs sed -i 's/[\t ]$//g' # on most files 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-16 21:08:06 +00:00
ths 18c6e2ff5a Fix mmapped register alignment and endianness handling. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2694 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-04-17 16:28:29 +00:00
ths 2ca9d01385 Memory-mapped interface for RTC, by Herve Poussineau. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2686 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-04-16 17:21:21 +00:00
pbrook d537cf6c86 Unify IRQ handling. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2635 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-04-07 18:14:41 +00:00
ths ea55ffb373 Move date/time init to the RTC implementation. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2229 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-12-07 17:16:55 +00:00
bellard 43f493afb4 more accurate emulation (do not depend on localtime() or gmtime() 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@872 c046a42c-6fe2-441c-8c8c-71466251a162
 2004-06-03 12:51:19 +00:00
bellard 4721c45750 UIP update fix 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@699 c046a42c-6fe2-441c-8c8c-71466251a162
 2004-04-03 12:27:31 +00:00
bellard 67b915a5dd win32 port (initial patch by kazu) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@692 c046a42c-6fe2-441c-8c8c-71466251a162
 2004-03-31 23:37:16 +00:00
bellard dff38e7b40 more precise RTC emulation (periodic timers + time updates) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@688 c046a42c-6fe2-441c-8c8c-71466251a162
 2004-03-31 18:57:29 +00:00
bellard b41a2cd1e4 io port API change 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@664 c046a42c-6fe2-441c-8c8c-71466251a162
 2004-03-14 21:46:48 +00:00
bellard 80cabfad16 separated more devices from emulator 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@656 c046a42c-6fe2-441c-8c8c-71466251a162
 2004-03-14 12:20:30 +00:00