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[Xen-users] setpci and xen

from [James Harper]

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Subject:	[Xen-users] setpci and xen
From:	"James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date:	Mon, 10 Jul 2006 11:08:29 +1000
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Thread-topic:	setpci and xen

Is there anything special I need to know in Dom0 when trying to use
setpci to enable and move the boot ROM on an Ethernet adapter? I am able
to enable the ROM, but it is in the same place as the RAM, and I can't
seem to move it.

I have 1Gb of RAM, which I believe is mapped from 0x00000000 to
0x3fffffff, but the ROM is set to 0x3ff00000, and using something like:

setpci -s 01:0b.0 ROM_ADDRESS=48000000

doesn't change anything, while:

setpci -s 01:0b.0 ROM_ADDRESS=48000001

enables it, but leaves it at the same address (and still behind RAM so I
can't get to it).

Previously, before I overwrote the flash, it was mapped to 0x40000000
and was readable.

Thanks

James


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