MMGR_SetNULPageAddr

include vmm.inc

mov eax, PhysAddr ; physical address for system nul page

VMMcall MMGR_SetNULPageAddr

The MMGR_SetNULPageAddr service sets the physical address of the system nul page.

This service is for the exclusive use of the virtual V86MMGR device. The virtual device calls this service, while processing the Init_Complete message, to set the address of a known nonexistent page in the system.

Parameters

PhysAddr

Specifies the physical address of the system nul page. This parameter is the page number for the nul page shifted left by 12 bits.

Return Value

This service has no return value.

Uses

Flags