Module Name: src
Committed By: imil
Date: Mon Feb 24 07:18:02 UTC 2025
Modified Files:
src/sys/arch/x86/isa: clock.c
Log Message:
Check for RTC presence to avoid hang with QEMU microvm and rtc=off
parameter.
Test bits 0-6 of MC146818's Register D, which must be 0 according to
the specification. This prevents a later hang in rtcget() when no RTC
is present.
To generate a diff of this commit:
cvs rdiff -u -r1.41 -r1.42 src/sys/arch/x86/isa/clock.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
