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Re: [Xen-devel] stable format of e820map for HVM domU's ?
| To: | "Andrew D. Ball" <aball@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] stable format of e820map for HVM domU's ? |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Fri, 11 Aug 2006 16:31:58 +0100 |
| Delivery-date: | Fri, 11 Aug 2006 08:35:29 -0700 |
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| Thread-topic: | [Xen-devel] stable format of e820map for HVM domU's ? |
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On 11/8/06 3:30 pm, "Andrew D. Ball" <aball@xxxxxxxxxx> wrote: > What's the least likely to change way to get what I want out of here? > > In this case, the type 17 entry's ending address is the capacity. Can I > always ignore the last 3 entries? Should I use the type 17 entry as the > last pseudo-physical one? Some other way? Scan the table and sum the 'usable' (i.e. E820_RAM) areas. It might change a little bit in future, according to size of BIOS areas for example, but is about as good a value as you're going to get. How accurate do you think this number needs to be? Do you have some dependency on its accuracy? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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