VT虚拟化源码支持32位多核

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// 开启Intel VT内核调试
NTSTATUS NTAPI StartVirtualTechnology()
{
        CCHAR cProcessorNumber;
        NTSTATUS Status, CallbackStatus;
        KIRQL OldIrql;

        DbgPrint("mvx:在每隔核心上开启VT HvmSwallowBluepill(): Going to subvert %d processor%s\n",
                KeNumberProcessors, KeNumberProcessors == 1 ? "" : "s");

        MmInitManager();
        KeInitializeMutex(&MY_HvmMutex, 0);
        KeWaitForSingleObject(&MY_HvmMutex, Executive, KernelMode, FALSE, NULL);
        for (cProcessorNumber = 0; cProcessorNumber < KeNumberProcessors; cProcessorNumber++) 
        {
                DbgPrint("vmx:HvmSwallowBluepill(): CPU数量 #%d\n", cProcessorNumber);
                KeSetSystemAffinityThread((KAFFINITY)(1 << cProcessorNumber));
                OldIrql = KeRaiseIrqlToDpcLevel();
                Asm_CreateVmx();
                KeLowerIrql(OldIrql);
                KeRevertToUserAffinityThread();
        }
        KeReleaseMutex(&MY_HvmMutex, FALSE);
        return STATUS_SUCCESS;
}


/* 关闭VT内核调试 */
NTSTATUS NTAPI StopVirtualTechnology()
{
        CCHAR cProcessorNumber;
        NTSTATUS Status, CallbackStatus;
        KIRQL OldIrql;
        RegCR4 uCr4;

        DbgPrint("vmx:HvmSpitOutBluepill(): Going to liberate %d processor%s\n",
                KeNumberProcessors, KeNumberProcessors == 1 ? "" : "s");
        KeWaitForSingleObject(&MY_HvmMutex, Executive, KernelMode, FALSE, NULL);
        for (cProcessorNumber = 0; cProcessorNumber < KeNumberProcessors; cProcessorNumber++) 
        {
                KeSetSystemAffinityThread((KAFFINITY)(1 << cProcessorNumber));
                OldIrql = KeRaiseIrqlToDpcLevel();
                {
                        Vmx_VmCall('SVT');
                        TO_DATA32(uCr4) = Asm_GetCr4();
                        uCr4.VMXE = 0;
                        Asm_SetCr4(TO_DATA32(uCr4));
                }
                KeLowerIrql(OldIrql);
                KeRevertToUserAffinityThread();
        }
        DbgPrint("vmx:HvmSpitOutBluepill(): Finished at irql %d\n", KeGetCurrentIrql());
        KeReleaseMutex(&MY_HvmMutex, FALSE);
        MmShutdownManager();
        return STATUS_SUCCESS;
}

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