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Set control flags in putc(). This should fix zfsboot hangs in drvread().

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PR:		kern/153552
Reviewed by:	jhb
MFC after:	1 week
This commit is contained in:
Andrey V. Elsukov 2011-03-16 20:04:56 +00:00
parent 848a02fc41
commit fa3c0ecda2
1 changed files with 1 additions and 0 deletions
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1
sys/boot/i386/common/cons.c
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@ -37,6 +37,7 @@ void
putc(int c)
{
v86.ctl = V86_FLAGS;
v86.addr = 0x10;
v86.eax = 0xe00 | (c & 0xff);
v86.ebx = 0x7;