GBL Format#

Magic word indicating GBL image.

Major version of the GBL spec.

Tag ID for the GBL header tag.

Tag ID for the GBL bootloader tag.

Tag ID for the GBL application info tag.

Tag ID for the GBL metadata tag.

Tag ID for the GBL flash program tag.

Tag ID for the GBL flash program tag (LZ4)

Tag ID for the GBL flash program tag (LZMA)

Tag ID for the GBL flash erase&program tag.

Tag ID for the GBL end tag.

Tag ID for the SE upgrade tag.

Tag ID for the version dependency tag.

Tag ID for the GBL encryption header tag.

Tag ID for the GBL encryption init tag.

Tag ID for the GBL encryption data tag.

Tag ID for the GBL ECDSA secp256r1 signature tag.

Tag ID for the GBL ECDSA certfificate tag.

GBL type: Standard GBL.

GBL type: AES-CCM encrypted GBL.

GBL type: ECDSA P256-signed GBL.

Image Type : Application Image.

Image Type : Bootloader Image.

Image Type : Secure Engine Image.

Operator encoding : Operator Mask.

Operator encoding : Operator Shift.

Operator encoding : Operator Type Mask.

Operator encoding : Negator Bit mask.

GBL Version Dependency Operator LT.

GBL Version Dependency Operator LEQ.

GBL Version Dependency Operator EQ.

GBL Version Dependency Operator GEQ.

GBL Version Dependency Operator GT.

Connective encoding : Connective Encoding Mask.

Connective encoding : Encoding Shift.

Connective encoding : Encoding Type Mask.

Connective encoding : Negator Bit Mask.

Connective AND Mask.

Connective OR Mask.

SE version mask for ignoring the compatibility byte when comparing versions.

Tag order.

GBL Tag Order Header.

GBL Tag Order Version Dependency.

GBL Tag Order encoding Init.

GBL Tag Order Application.

GBL Tag Order SE Upgarde.

GBL Tag Order Bootloader.

The Programming and Metadata tags share the same order.

GBL Tag Order Enc GBL Data.

GBL Tag Order Certificate.

GBL Tag Order Signature.

GBL_TAG_ORDER_END must always be strictly greater than any other tag order.

Flags.

Flags.