Rimage

Rimage is a DSP firmware image creation and signing tool used by Sound Open Firmware (SOF) to generate binary image files.

Rimage contains a built-in generator for:

  1. Extended manifest - describes firmware metadata for drivers

  2. CSE manifest

  3. CSS manifest

  4. ADSP manifest

For more details see:

Build flow

@startuml title image build flow class bootloader_elf_file << (F, orchid) >> { -- note -- Used for CAVS 1.5 and newer } class firmware_elf_file << (F, orchid) >> { } class rimage { +write_firmware() +write_firmware_meu() +ext_man_write() } class adsp_manifest_file << (F, orchid) >> { suffix: .ri.met } class image_file << (F, orchid) >> { suffix: .ri -- Content -- +CSE manifest +CSS manifest +ADSP manifest +runtime code } class unsigned_image_file << (F, orchid) >> { suffix: .ri.uns -- Content -- +ADSP manifest +runtime code } class ext_man_file << (F, orchid) >> { suffix: .ri.xman } class build_step { + glue binary files() } hide build_step circle class final_image_file << (F, orchid) >> { suffix: .ri -- Content -- +Extended manifest +CSE manifest +CSS manifest +ADSP manifest +runtime code } firmware_elf_file -down-> rimage bootloader_elf_file -down-> rimage rimage -down-> ext_man_file : with -e flag ext_man_file -down-> build_step rimage -down-> adsp_manifest_file rimage -down-> image_file : without MEU\nwithout -s argument rimage -down-> unsigned_image_file : with MEU \nwith -s argument unsigned_image_file -down-> MEU MEU -down-> image_file adsp_manifest_file -down-> image_file image_file -down-> build_step build_step -down-> final_image_file @enduml

Figure 140 Image build generation