cvs commit: src/sys/amd64/amd64 nexus.c src/sys/i386/i386 nexus.c

John Baldwin jhb at
Tue Mar 20 22:08:16 UTC 2007

On Tuesday 20 March 2007 05:08:40 pm John Baldwin wrote:
> jhb         2007-03-20 21:08:40 UTC
>   FreeBSD src repository
>   Modified files:
>     sys/amd64/amd64      nexus.c 
>     sys/i386/i386        nexus.c 
>   Log:
>   Add a new ram0 pseudo-device that claims memory resouces for physical
>   addresses corresponding to system RAM.  On amd64 ram0 uses the SMAP
>   and claims all the type 1 SMAP regions.  On i386 ram0 uses the
>   dump_avail[] array.  Note that on i386 we have to ignore regions above
>   4G in PAE kernels since bus resources use longs.

Should have noted that this device is added at order 0 so it attaches before 
acpi0 and legacy0.

John Baldwin

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