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VMX: Difference between revisions
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(Added section on error checking for VMX instructions, a short VMCS introduction and some notes on instruction requirements) |
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A VMCS is loaded with the VMPTRLD instruction, which loads and activates a VMCS, and requires a 64-bit memory address as it's operand in the same format as VMXON/VMCLEAR.
asm volatile ("vmptrld %0; ":: "m" (vmcsRegion64));
The structure of the VMCS is covered in detail in Chapter 20 of the Intel SDM volume 3B (see link below). Field encodings for VMWRITE and VMREAD are covered in Appendix H of the same manual.
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