svn commit: r219702 - head/sys/boot/i386/common

[Alexander Best]

On Wed Mar 16 11, Andrey V. Elsukov wrote:
> Author: ae
> Date: Wed Mar 16 20:04:56 2011
> New Revision: 219702
> URL: http://svn.freebsd.org/changeset/base/219702
> 
> Log:
>   Set control flags in putc(). This should fix zfsboot hangs in drvread().

i was looking at xputc() and putchar() and was wondering why these are two
seperate functions? their funcionality can very easily be merged into a single
one.

cheers.
alex

>   
>   PR:		kern/153552
>   Reviewed by:	jhb
>   MFC after:	1 week
> 
> Modified:
>   head/sys/boot/i386/common/cons.c
> 
> Modified: head/sys/boot/i386/common/cons.c
> ==============================================================================
> --- head/sys/boot/i386/common/cons.c	Wed Mar 16 17:09:51 2011	(r219701)
> +++ head/sys/boot/i386/common/cons.c	Wed Mar 16 20:04:56 2011	(r219702)
> @@ -37,6 +37,7 @@ void
>  putc(int c)
>  {
>  
> +	v86.ctl = V86_FLAGS;
>  	v86.addr = 0x10;
>  	v86.eax = 0xe00 | (c & 0xff);
>  	v86.ebx = 0x7;

-- 
a13x