| To: | Guillaume Thouvenin <guillaume.thouvenin@xxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [RFC] change provided physical RAM map to add EBDA |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | 2007年3月15日 10:55:26 +0000 |
| Cc: | Xen devel ML <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | 2007年3月15日 03:54:50 -0700 |
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| Thread-topic: | [Xen-devel] [RFC] change provided physical RAM map to add EBDA |
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On 15/3/07 08:45, "Guillaume Thouvenin" <guillaume.thouvenin@xxxxxxxxxxxx> wrote: > My idea is to map the real memory region that contains EBDA to dom0. So > dom0 will see the real machine memory region under 640Ko (0xa0000) in is > own physical map. You're creating difficulties where there are none: dom0 already has a mapping of all memory below 1MB. Just use isa_bus_to_virt(0x40e). -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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