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Re: [Xen-devel] [PATCH 2 of 3] Enable UEFI BIOS(OVMF) support in Xen-uns
| To: | Jordan Justen <jljusten@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH 2 of 3] Enable UEFI BIOS(OVMF) support in Xen-unstable HVM |
| From: | Keir Fraser <keir.xen@xxxxxxxxx> |
| Date: | Tue, 09 Aug 2011 22:27:08 +0100 |
| Cc: | Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Andrei Warkentin <andreiw@xxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, Bei Guan <gbtju85@xxxxxxxxx> |
| Delivery-date: | Tue, 09 Aug 2011 14:27:51 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH 2 of 3] Enable UEFI BIOS(OVMF) support in Xen-unstable HVM |
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On 09/08/2011 21:54, "Jordan Justen" <jljusten@xxxxxxxxx> wrote: >> I assume a native box would only have one UEFI firmware, and that would be >> X64 on an x86/64 box. You must still be able to boot IA32 operating systems >> on the X64 firmware, right? > > Yes, it could technically be booted, if the OS loader was an X64 > application that transitioned to IA32 before starting the OS kernel. > > But, the IA32 OS would then have issues if it wanted to call UEFI > runtime services, which would be X64. Yes, fair enough really, unless you had some dual-payload firmware which installed services appropriate to the OS type it has loaded. But such a thing obviously doesn't exist. :-) The two config parameters are fine, given how UEFI/OVMF works. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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