boot_stage.h File Reference

(65393da)

This header contains declarations of boot stage information. More...

Go to the source code of this file.

Typedefs
typedef enum boot_stage	boot_stage_t
	A boot_stage_t represents a particular boot stage.

Enumerations
enum	boot_stage {   kBootStageNotSet = 0,   kBootStageRom = 1,   kBootStageRomExt = 2,   kBootStageOwner = 3 }
	A boot_stage_t represents a particular boot stage. More...

Variables
const boot_stage_t	kBootStage
	Indicates the boot stage that this program has been linked for. More...

Detailed Description

This header contains declarations of boot stage information.

This header contains the boot stage specific symbol declarations that can be used by the consumer of this library to determine which stage in the boot sequence the binary is executing from.

Definitions for these symbols can be found in other files in this directory, which should be linked in depending on which boot stage an executable is intended for.

Definition in file boot_stage.h.

Enumeration Type Documentation

boot_stage

enum boot_stage

A boot_stage_t represents a particular boot stage.

Enumerator
kBootStageNotSet	Undefined boot stage.
kBootStageRom	The ROM boot stage. Represents the non-mutable code that is used to establish the hardware root of trust in the boot sequence.
kBootStageRomExt	The ROM_EXT boot stage. Represents the first mutable boot stage, which is signed by the Silicon Creator entity.
kBootStageOwner	The First Silicon Owner boot stage.

Definition at line 28 of file boot_stage.h.

Variable Documentation

kBootStage

const boot_stage_t kBootStage

Indicates the boot stage that this program has been linked for.

This can be used, for example, for conditioning an operation on the precise boot stage.

Definition at line 7 of file boot_stage_owner.c.