/**
* effects: install Vis on the fly.
*/
NTSTATUS NTAPI HvmSwallowBluepill()
{//SAME
CCHAR cProcessorNumber;
NTSTATUS Status, CallbackStatus;
Print(("HelloWorld:HvmSwallowBluepill(): Going to subvert %d processor%s\n",
KeNumberProcessors, KeNumberProcessors == 1 ? "" : "s"));
KeWaitForSingleObject (&g_HvmMutex, Executive, KernelMode, FALSE, NULL);
for (cProcessorNumber = 0; cProcessorNumber < KeNumberProcessors; cProcessorNumber++)
{
Print(("HelloWorld:HvmSwallowBluepill():Installing HelloWorld VT Root Manager on processor #%d\n", cProcessorNumber));
Status = CmDeliverToProcessor(cProcessorNumber, CmSubvert, NULL, &CallbackStatus);
if (!NT_SUCCESS (Status)) {
Print(("HelloWorld:HvmSwallowBluepill(): CmDeliverToProcessor() failed with status 0x%08hX\n", Status));
KeReleaseMutex (&g_HvmMutex, FALSE);
HvmSpitOutBluepill ();
return Status;
}
if (!NT_SUCCESS (CallbackStatus)) {
Print(("HelloWorld:HvmSwallowBluepill(): HvmSubvertCpu() failed with status 0x%08hX\n", CallbackStatus));
KeReleaseMutex (&g_HvmMutex, FALSE);
HvmSpitOutBluepill ();
return CallbackStatus;
}
}
KeReleaseMutex (&g_HvmMutex, FALSE);
if (KeNumberProcessors != g_uSubvertedCPUs) {
HvmSpitOutBluepill ();
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
}
/**
* effects: install our VM root hypervisor on the fly.
*/
ZVMSTATUS ZVMAPI HvmSwallowBluepill()
{
uint8_t cProcessorNumber;
ZVMSTATUS Status, CallbackStatus;
for (cProcessorNumber = 0; cProcessorNumber < KeNumberProcessors; cProcessorNumber++)
{
///cprintf("Zion Hypervisor:HvmSwallowBluepill():Installing HelloWorld VT Root Manager on processor #%d\n", cProcessorNumber);
Status = CmDeliverToProcessor (cProcessorNumber, CmSubvert, NULL, &CallbackStatus);
///cprintf("SubvertCpu was done!\n");
}
return ZVMSUCCESS;
}
NTSTATUS NTAPI HvmSpitOutBluepill (
)
{
#ifndef ENABLE_HYPERCALLS
return STATUS_NOT_SUPPORTED;
#else
CCHAR cProcessorNumber;
NTSTATUS Status, CallbackStatus;
//g_bDisableComOutput = TRUE;
Print(("HelloWorld:HvmSpitOutBluepill(): Going to liberate %d processor%s\n",
KeNumberProcessors, KeNumberProcessors == 1 ? "" : "s"));
KeWaitForSingleObject (&g_HvmMutex, Executive, KernelMode, FALSE, NULL);
for (cProcessorNumber = 0; cProcessorNumber < KeNumberProcessors; cProcessorNumber++) {
Print(("HelloWorld:HvmSpitOutBluepill(): Liberating processor #%d\n", cProcessorNumber));
Status = CmDeliverToProcessor (cProcessorNumber, HvmLiberateCpu, NULL, &CallbackStatus);
if (!NT_SUCCESS (Status)) {
KdPrintEx((DPFLTR_IHVDRIVER_ID,
DPFLTR_ERROR_LEVEL,
"HelloWorld:HvmSpitOutBluepill(): CmDeliverToProcessor() failed with status 0x%08hX\n", Status));
}
if (!NT_SUCCESS (CallbackStatus)) {
Print(("HelloWorld:HvmSpitOutBluepill(): HvmLiberateCpu() failed with status 0x%08hX\n", CallbackStatus));
}
}
Print(("HelloWorld:HvmSpitOutBluepill(): Finished at irql %d\n", KeGetCurrentIrql ()));
KeReleaseMutex (&g_HvmMutex, FALSE);
return STATUS_SUCCESS;
#endif
}
