/*
	  * bit lame delay - but to prevent BSOD on active hooked system services
	 * could improve here with remove locks, but you will never get a 100%
	 * correct situation
	 */

	Delay.QuadPart = -5000000;
	
	KeDelayExecutionThread(KernelMode, TRUE, &Delay);

__declspec(naked) void NewInt01()
{
	//	- Interrupt 1 Handler -
	//
	//  offset   | contains
	//  ---------+-----------------------------
	//	esp		 : EIP Context
	//	esp + 4  : CS  Context
	//	esp + 8  : EFLAGS Context

	__asm
	{
			pushad

			mov		eax, dr6
			bt		eax, 0Eh	//单步?
			jnc		__oldint01

			mov		ecx, 1D9h
			rdmsr
			or		eax, 3
			wrmsr
		
			
		__oldint01:	
			popad
			jmp	  OldHandler01
	}
}