Specifications

Code Definitions
89
EFI_LEGACY_REGION_PROTOCOL.Decode()
Summary
Sets hardware to decode or not decode a region.
Prototype
typedef
EFI_STATUS
(EFIAPI *EFI_LEGACY_REGION_DECODE) (
IN EFI_LEGACY_REGION_PROTOCOL *This,
IN UINT32 Start,
IN UINT32 Length,
IN BOOLEAN *On
);
Parameters
This
Indicates the EFI_LEGACY_REGION_PROTOCOL instance
Start
Start of region to decode.
Length
Size in bytes of the region.
On
Decode/nondecode flag.
Description
This function sets the hardware to either decode or not decode a region within 0xC0000
to 0xFFFFF.
Status Codes Returned
EFI_SUCCESS Decode range successfully changed.