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[Qemu-devel] [Bug 1090558] [NEW] hw/mc146818: error reading RTC_HOURS_AL
From: |
Antoine Mathys |
Subject: |
[Qemu-devel] [Bug 1090558] [NEW] hw/mc146818: error reading RTC_HOURS_ALARM |
Date: |
Fri, 14 Dec 2012 21:13:36 -0000 |
Public bug reported:
get_next_alarm() doesn't read the RTC_HOURS_ALARM field correctly.
- Bit 7 must be masked before conversion from BCD.
- Care must be taken to check the don't care condition before masking.
- The PM bit must be read from RTC_HOURS_ALARM, not from RTC_HOURS (as is done
in convert_hour()).
Seen in commit e376a788ae130454ad5e797f60cb70d0308babb6.
** Affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1090558
Title:
hw/mc146818: error reading RTC_HOURS_ALARM
Status in QEMU:
New
Bug description:
get_next_alarm() doesn't read the RTC_HOURS_ALARM field correctly.
- Bit 7 must be masked before conversion from BCD.
- Care must be taken to check the don't care condition before masking.
- The PM bit must be read from RTC_HOURS_ALARM, not from RTC_HOURS (as is
done in convert_hour()).
Seen in commit e376a788ae130454ad5e797f60cb70d0308babb6.
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