cvs commit: src/sys/boot/i386/libi386 biosacpi.c

[John Baldwin]

On Tuesday 25 April 2006 14:42, John Baldwin wrote:
> jhb         2006-04-25 18:42:22 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/boot/i386/libi386 biosacpi.c 
>   Log:
>   Use PTOV() to convert physical addresses to appropriate virtual addresses
>   in the loader when searching for the ACPI RSDP.  (The loader runs in a flat
>   mode with va 0 == pa 0xa000.)

    Submitted by:	kongjinzhu <kongjinzhu at 163.com>

(oops)

Curiously, I'm not sure how PTOV() is supposed to work for physical addresses <
0xa000 such as the values in the BIOS data area (seg 0x40) or the boot2 args
(0x900).

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org