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Re: [Xen-devel] mmio_decode()
| To: | Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] mmio_decode() |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Tue, 21 Nov 2006 13:44:58 +0000 |
| Delivery-date: | Tue, 21 Nov 2006 05:45:42 -0800 |
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| Thread-index: | AccNczvberF5wXlmEduJYgAX8io7RQ== |
| Thread-topic: | [Xen-devel] mmio_decode() |
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On 21/11/06 12:42, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: > Could anyone enlighten me why this function decodes arbitrary opcodes? > I.e. 0x20...0x23 are all getting decoded, but only 0x00 (and not > 0x01...0x03) and only 0x2B (and not 0x2A). I guess this is based on > observed instructions used for mmio, but - this doesn't make sense! That > way, we'll never get to a point where arbitrary OSes (or other > environments) can get emulated. Opcodes get faulted in as needed. Pretty stupid I agree. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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