Volume 3 of the Intel 64 and IA-32 Architectures Software Developer’s Manuals, Chapter 22: Introduction to Virtual Machine Extensions:
https://www.intel.com/content/www/us/en/develop/download/int...
Volume 2 of the AMD64 Architecture Programmer's Manual, Chapter 15: Secure Virtual Machine:
https://www.amd.com/system/files/TechDocs/24593.pdf
Even to get a general overview, the introduction section I linked seems fine?
Volume 3 of the Intel 64 and IA-32 Architectures Software Developer’s Manuals, Chapter 22: Introduction to Virtual Machine Extensions:
https://www.intel.com/content/www/us/en/develop/download/int...
Volume 2 of the AMD64 Architecture Programmer's Manual, Chapter 15: Secure Virtual Machine:
https://www.amd.com/system/files/TechDocs/24593.pdf