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Dasharo Openness Score

This page contains the Dasharo Openness Score for Dasharo releases compatible with MSI PRO Z690-A boards. The content of the page is generated with Dasharo Openness Score utility.

The very first historical attempt to measure the openness of an firmware image is available here.

v1.1.3

Openness Score for msi_ms7d25_v1.1.3_ddr5.rom

Open-source code percentage: 43.0% Closed-source code percentage: 57.0%

  • Image size: 33554432 (0x2000000)
  • Number of regions: 37
  • Number of CBFSes: 4
  • Total open-source code size: 6949213 (0x6a095d)
  • Total closed-source code size: 9218180 (0x8ca884)
  • Total data size: 948357 (0xe7885)
  • Total empty size: 16438682 (0xfad59a)

Numbers given above already include the calculations from CBFS regions presented below

FMAP regions

FMAP region Offset Size Category
SI_ME 0x1000 0x3ff000 closed-source
SI_DESC 0x0 0x1000 data
SMMSTORE 0x1000000 0x40000 data
RECOVERY_MRC_CACHE 0x10a0000 0x20000 data
RW_MRC_CACHE 0x10c0000 0x20000 data
RW_ELOG 0x10e0000 0x4000 data
SHARED_DATA 0x10e4000 0x2000 data
VBLOCK_DEV 0x10e6000 0x2000 data
RW_VPD 0x10e8000 0x2000 data
RW_NVRAM 0x10ea000 0x6000 data
CONSOLE 0x10f0000 0x20000 data
HSPHY_FW 0x1110000 0x8000 data
VBLOCK_A 0x1318000 0x10000 data
RW_FWID_A 0x17bff00 0x100 data
VBLOCK_B 0x17e0000 0x10000 data
RW_FWID_B 0x1bfff00 0x100 data
RO_VPD 0x1c00000 0x4000 data
FMAP 0x1c04000 0x800 data
RO_FRID 0x1c04800 0x100 data
RO_FRID_PAD 0x1c04900 0x700 data
GBB 0x1c05000 0x3000 data
UNUSED 0x400000 0xc00000 empty

CBFS BOOTSPLASH

  • CBFS size: 2097152
  • Number of files: 1
  • Open-source files size: 0 (0x0)
  • Closed-source files size: 0 (0x0)
  • Data size: 28 (0x1c)
  • Empty size: 2097124 (0x1fffe4)

Numbers given above are already normalized (i.e. they already include size of metadata and possible closed-source LAN drivers included in the payload which are not visible in the table below)

CBFS filename CBFS filetype Size Compression Category
(empty) null 2097124 none empty

CBFS FW_MAIN_A

  • CBFS size: 4816640
  • Number of files: 13
  • Open-source files size: 2286687 (0x22e45f)
  • Closed-source files size: 1501228 (0x16e82c)
  • Data size: 8606 (0x219e)
  • Empty size: 1020119 (0xf90d7)

Numbers given above are already normalized (i.e. they already include size of metadata and possible closed-source LAN drivers included in the payload which are not visible in the table below)

CBFS filename CBFS filetype Size Compression Category
fallback/romstage stage 103280 none open-source
fallback/ramstage stage 149834 LZMA open-source
fallback/dsdt.aml raw 11264 none open-source
fallback/postcar stage 34328 none open-source
fallback/payload simple elf 1987981 none open-source
cpu_microcode_blob.bin microcode 431104 none closed-source
fspm.bin fsp 786432 none closed-source
fsps.bin fsp 283692 LZ4 closed-source
config raw 5395 LZMA data
revision raw 850 none data
build_info raw 138 none data
vbt.bin raw 1257 LZMA data
(empty) null 612 none empty

CBFS FW_MAIN_B

  • CBFS size: 4259584
  • Number of files: 13
  • Open-source files size: 2286687 (0x22e45f)
  • Closed-source files size: 1501228 (0x16e82c)
  • Data size: 8606 (0x219e)
  • Empty size: 463063 (0x710d7)

Numbers given above are already normalized (i.e. they already include size of metadata and possible closed-source LAN drivers included in the payload which are not visible in the table below)

CBFS filename CBFS filetype Size Compression Category
fallback/romstage stage 103280 none open-source
fallback/ramstage stage 149834 LZMA open-source
fallback/dsdt.aml raw 11264 none open-source
fallback/postcar stage 34328 none open-source
fallback/payload simple elf 1987981 none open-source
cpu_microcode_blob.bin microcode 431104 none closed-source
fspm.bin fsp 786432 none closed-source
fsps.bin fsp 283692 LZ4 closed-source
config raw 5395 LZMA data
revision raw 850 none data
build_info raw 138 none data
vbt.bin raw 1257 LZMA data
(empty) null 612 none empty

CBFS COREBOOT

  • CBFS size: 4161536
  • Number of files: 17
  • Open-source files size: 2375839 (0x24409f)
  • Closed-source files size: 1501228 (0x16e82c)
  • Data size: 9005 (0x232d)
  • Empty size: 275464 (0x43408)

Numbers given above are already normalized (i.e. they already include size of metadata and possible closed-source LAN drivers included in the payload which are not visible in the table below)

CBFS filename CBFS filetype Size Compression Category
fallback/romstage stage 103280 none open-source
fallback/ramstage stage 149834 LZMA open-source
fallback/dsdt.aml raw 11264 none open-source
fallback/postcar stage 34328 none open-source
fallback/payload simple elf 1987981 none open-source
bootblock bootblock 89152 none open-source
cpu_microcode_blob.bin microcode 431104 none closed-source
fspm.bin fsp 786432 none closed-source
fsps.bin fsp 283692 LZ4 closed-source
cbfs_master_header cbfs header 28 none data
intel_fit intel_fit 80 none data
config raw 5395 LZMA data
revision raw 850 none data
build_info raw 138 none data
vbt.bin raw 1257 LZMA data
(empty) null 356 none empty
(empty) null 275108 none empty