Add a comment explaining the intent behind the I/O reservation [0x72-0x77].

svn path=/head/; revision=273710
2014-10-26 21:17:44 +00:00 · 2014-10-26 21:17:44 +00:00 · c17d4a83b8 · 2020-12-20 02:59:44 +00:00
commit c17d4a83b8
parent 24244db06b
1 changed files with 4 additions and 0 deletions
--- a/usr.sbin/bhyve/rtc.c
+++ b/usr.sbin/bhyve/rtc.c
@ -375,4 +375,8 @@ rtc_dsdt(void)
 }
 LPC_DSDT(rtc_dsdt);

+/*
+ * Reserve the extended RTC I/O ports although they are not emulated at this
+ * time.
+ */
 SYSRES_IO(0x72, 6);