MMGR_SetNULPageAddr

include vmm.inc

mov     eax, PhysAddr       ; physical address for system nul page
VMMcall MMGR_SetNULPageAddr

Sets the physical address of the system nul page. Uses Flags.

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.

• No return value.

PhysAddr

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

See also _GetNulPageHandle