SetupDesignGuide.pdf - Firmware Encoding Index

Setup Design Guide
DRAFT
STRING_REF Option; // The string token describing the option
UINT16 Value; // The value associated with this option that is stored in
// the NVRAM if chosen
UINT8 Flags; // For now, if non-zero, means that it is the default
// option, - further definition likely above
UINT16 Key; // Value to be passed to caller to identify this particular
// op-code
} EFI_IFR_ONE_OF_OPTION;
If Text command:
An update for the second text parameter
Each encoding is as follows:
CHAR16
*UpdateString
If StringOp command:
Each encoding is as follows:
typedef struct {
CHAR16 *UpdateString; // String to print as a status (May be NULL)
BOOLEAN PopUp; // Create a PopUp box for the UpdateString
} EFI_IFR_STRING_MESSAGE;
If NumericOp command:
Each encoding is as follows:
UINT16
NumericValue;
Status Codes Returned
EFI_SUCCESS
EFI_NOT_FOUND
EFI_BUFFER_TOO_SMALL
EFI_INVALID_PARAMETER
EFI_DEVICE_ERROR
The function completed successfully
The variable was not found.
The DataSize is too small for the result. DataSize has
been updated with the size needed to complete the
request.
One of the parameters has an invalid value.
The variable could not be saved due to a hardware failure.
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