include vmm.inc VMMcall Enable_Touch_1st_Meg |
The Enable_Touch_1st_Meg service enables the first 1 megabyte of memory for the current virtual machine. The service sets the present bit for the first page directory allowing a virtual device to access addresses in the range.
This is an asynchronous service but is only available in the debugging version of Windows.
This service has no parameters.
This service has no return value.
Virtual devices normally call this service by using the Begin_Touch_1st_Meg macro.
If the debugging version is not present, this service returns immediately.