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[Xen-ia64-devel] VTi: break handling
| To: | xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-ia64-devel] VTi: break handling |
| From: | Tristan Gingold <Tristan.Gingold@xxxxxxxx> |
| Date: | Tue, 11 Apr 2006 12:04:07 +0100 |
| Delivery-date: | Tue, 11 Apr 2006 04:00:14 -0700 |
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Hi,
in vmx_ivt.S:
// 0x2c00 Entry 11 (size 64 bundles) Break instruction (33)
ENTRY(vmx_break_fault)
VMX_DBG_FAULT(11)
mov r31=pr
mov r19=11
mov r30=cr.iim
movl r29=0x1100
;;
>> cmp.eq p6,p7=r30,r0
>> (p6) br.sptk vmx_fault_11
;;
cmp.eq p6,p7=r29,r30
(p6) br.dptk.few vmx_hypercall_dispatch
(p7) br.sptk.many vmx_dispatch_break_fault
;;
VMX_FAULT(11);
END(vmx_break_fault)
Is the '>>' section debug code ? I fear a bug here.
Thank you for comments,
Tristan.
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