Changes between Version 2 and Version 3 of Ticket #39, comment 5


Ignore:
Timestamp:
Jan 31, 2016, 11:50:26 PM (9 years ago)
Author:
Valery V. Sedletski

Legend:

Unmodified
Added
Removed
Modified

  • Ticket #39, comment 5

    v2 v3  
    2020http://www.tptp.cc/mirrors/siyobik.info/instruction/VMXON.html
    2121
    22 The vmxon instruction is in http://trac.netlabs.org/vbox/browser/trunk/include/VBox/vmm/hm_vmx.h, VMXEnable inline routine. The place in the code where it's called is hmR0InitIntel routine in http://trac.netlabs.org/vbox/browser/trunk/src/VBox/VMM/VMMR0/HMR0.cpp.
     22The vmxon instruction is in http://trac.netlabs.org/vbox/browser/trunk/include/VBox/vmm/hm_vmx.h#L1856, VMXEnable inline routine. The place in the code where it's called is hmR0InitIntel routine in http://trac.netlabs.org/vbox/browser/trunk/src/VBox/VMM/VMMR0/HMR0.cpp#L450.
    2323
    2424It seems, it tries to enable VT-x if that CPU capability is detected, regardless of whether it is enabled in VBox settings. But if it is not enabled, it isn't used for emulation (but still enabled).