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Mathieu Tarral edited this page Oct 25, 2016
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Welcome to the kvm-vmi wiki!
General behaviour
- Get a
file descriptor
of the VM - Get a list of
vcpu
fd - Setting the syscall trap
for each vcpu
vcpu_load
change MSR register
vcpu_put
- wait for the VM to try to execute a
sysenter/syscall
- generate an
General Protection Fault/Undefined Opcode
vmx.c:hande_exception()
emulate_instruction
emulate.c:em_syscall/em_sysenter
nitro.event.present = True
x86.c:vcpu_run()
if (nitro.event.present)
report_event
nitro_x86.c:report_event()
nitro_wait()
wait for userland to call get_event()
- userland called
continue_vm()