4.9.2 Macros

#define BL_IMAGE_FORMAT_MAJOR_VERSION (0x1)

Represents the major version of the image format that is understood by the bootloader core.  

#define BL_IMAGE_FORMAT_MINOR_VERSION (0x0)

Represents the minor version of the image format that is understood by the bootloader core.  

#define BL_IMAGE_FORMAT_PATCH_VERSION (0x0)

Represents the patch version of the image format that is understood by the bootloader core.  

#define BL_VECTORED_INTERRUPTS_ENABLED (0)

Indicates that the bootloader supports vectored interrupts in the application.

#define BL_APPLICATION_START_ADDRESS (0x4000U)

Start of the application memory space.

#define BL_DEVICE_ID_START_ADDRESS_U (0x41002018U)

Device ID address.

#define BL_APPLICATION_END_ADDRESS (0x11FFF)

End of the application memory space.

#define BL_IMAGE_PARTITION_SIZE (0xE000)

Defined size of the application memory space.

#define BL_STAGING_IMAGE_START (0x12000U)

Start of the application download space.

#define BL_STAGING_IMAGE_END (0x1FFFF)

End of the application download space.

#define BL_STAGING_IMAGE_ID (1U)

Image area ID that identifies the download location of the transferred data.

#define BL_APPLICATION_IMAGE_COUNT (2U)

Number to represent how many image spaces are configured by the bootloader.

#define BL_SOFTWARE_ENTRY_PATTERN_START (0x20000000)

Start address of the software entry pattern array.

#define BL_SOFTWARE_ENTRY_PATTERN (0x5048434DU)

32-bit pattern used to indicate that a software entry has been requested.

#define BL_HASH_DATA_SIZE (4U)

#define APPLICATION_SLOT_ID_DATA_SIZE (4U)

Size of the application ID data in bytes.

#define APPLICATION_VERSION_DATA_SIZE (4U)

Size of the version data in bytes.

#define VERIFY_END_ADDRESS_SIZE (4U)

Size of the verify end address data in bytes.

#define VERIFY_START_ADDRESS_SIZE (4U)

Size of the verify start address data in bytes.

#define ECDSA_VERIFICATION_ENABLED (1U)

Enables ECDSA-SHA256 verification.

#define SIGNATURE_LENGTH (64U)

The size of the ECDSA signature.

#define HASH_DATA_OFFSET (VERIFY_START_ADDRESS_SIZE + VERIFY_END_ADDRESS_SIZE + APPLICATION_VERSION_DATA_SIZE + SIGNATURE_LENGTH + APPLICATION_SLOT_ID_DATA_SIZE)

Offset of the hash data in bytes, calculated as the sum of verify start address size, verify end address size, version data size and partition ID data size.

#define BL_ANTI_ROLLBACK_ENABLED (1U)

#define BL_RESTORATION_FROM_BACKUP_ENABLED (0U)

Defines whether the backup image feature is enabled or not.

#define ASM_VECTOR asm("bx %0"::"r" (reset_vector))

Macro defined to jump the program to the application reset location.