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

John Baldwin jhb at
Tue Apr 25 19:00:58 UTC 2006

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>


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

John Baldwin <jhb at>  <><
"Power Users Use the Power to Serve"  =

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