Jeremy Fitzhardinge wrote: > Well, the PDA stuff took a bit longer to settle down than I would have > hoped, but it seems fairly sound now. > > I just committed the changes needed to make Xen happy with the PDA, > which means making sure an appropriate GDT is set up early enough. > > I also seem to have avoided most of the APIC issues under Xen by > simply making the cpuid not report the presence of an APIC. > > With these in place, things are getting fairly far, but not to > usermode. It often gets as far as trying to mount root, but it fails; > I haven't investigated that yet. But it also frequently crashes > before then, depending on when it gets an interrupt. I'm trying to > work out what's happening here, but the symptom is eip == 0x00000001 (!). Bad patches? I put code in vmi.c to patch IRET and SYSEXIT EIPs to 0x1 and 0x2, respectively, once upon a time. Maybe it migrated over to you somehow?
