Formal requirements for virtualizable third generation architectures
Communications of the ACM
Coupling virtual machines and system construction
Proceedings of the workshop on virtual computer systems
Proceedings of the workshop on virtual computer systems
ITS 1.5 Reference Manual
A program simulator by partial interpretation
SOSP '69 Proceedings of the second symposium on Operating systems principles
The evolution of virtual machine architecture
AFIPS '73 Proceedings of the June 4-8, 1973, national computer conference and exposition
Architecture of virtual machines
AFIPS '73 Proceedings of the June 4-8, 1973, national computer conference and exposition
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The support of efficient debugging environments for systems software and complete operating systems was one of the initial motivations for virtual machine (VM) systems, such as IBM's VM/370 [2.12]. These systems typically provide a user with a VM which is a functional duplicate of a real computer system and which includes simulated switches, buttons, and lights (console functions) for rudimentary system debugging. In the same way that real console functions proved to be inadequate debugging aids for real machines [15, 18], virtual console functions have proved inadequate for VMs [9]. As a result, a number of more powerful debugging tools have been combined with VMs to yield more flexible debugging systems.