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Dasharo Openness Score

Openness Score for novacustom_nv4x_adl_v1.7.1_full.rom

Open-source code percentage: 34.9% Closed-source code percentage: 65.1%

  • Image size: 33554432 (0x2000000)
  • Number of regions: 27
  • Number of CBFSes: 3
  • Total open-source code size: 4558876 (0x45901c)
  • Total closed-source code size: 8497434 (0x81a91a)
  • Total data size: 686483 (0xa7993)
  • Total empty size: 19811639 (0x12e4d37)

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

FMAP regions

FMAP region Offset Size Category
SI_ME 0x1000 0x4ff000 closed-source
SI_DESC 0x0 0x1000 data
RECOVERY_MRC_CACHE 0x1000000 0x10000 data
RW_MRC_CACHE 0x1010000 0x10000 data
SMMSTORE 0x1020000 0x40000 data
SHARED_DATA 0x1060000 0x2000 data
VBLOCK_DEV 0x1062000 0x2000 data
RW_NVRAM 0x1064000 0x6000 data
CONSOLE 0x106a000 0x20000 data
VBLOCK_A 0x118a000 0x10000 data
RW_FWID_A 0x1bfffc0 0x40 data
RO_VPD 0x1c00000 0x4000 data
FMAP 0x1c04000 0x800 data
RO_FRID 0x1c04800 0x40 data
RO_FRID_PAD 0x1c04840 0x7c0 data
GBB 0x1c05000 0x3000 data
UNUSED 0x500000 0xb00000 empty

CBFS BOOTSPLASH

  • CBFS size: 1048576
  • Number of files: 1
  • Open-source files size: 0 (0x0)
  • Closed-source files size: 0 (0x0)
  • Data size: 28 (0x1c)
  • Empty size: 1048548 (0xfffe4)

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 1048548 none empty

CBFS FW_MAIN_A

  • CBFS size: 10903488
  • Number of files: 13
  • Open-source files size: 2229678 (0x2205ae)
  • Closed-source files size: 1629325 (0x18dc8d)
  • Data size: 8698 (0x21fa)
  • Empty size: 7035787 (0x6b5b8b)

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 95160 none open-source
fallback/ramstage stage 152839 LZMA open-source
fallback/dsdt.aml raw 22894 none open-source
fallback/postcar stage 42408 none open-source
fallback/payload simple elf 1916377 none open-source
cpu_microcode_blob.bin microcode 546816 none closed-source
fspm.bin fsp 786432 none closed-source
fsps.bin fsp 296077 LZ4 closed-source
config raw 5475 LZMA data
revision raw 856 none data
build_info raw 98 none data
vbt.bin raw 1290 LZMA data
(empty) null 1188 none empty

CBFS COREBOOT

  • CBFS size: 4161536
  • Number of files: 18
  • Open-source files size: 2329198 (0x238a6e)
  • Closed-source files size: 1629325 (0x18dc8d)
  • Data size: 10045 (0x273d)
  • Empty size: 192968 (0x2f1c8)

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 95160 none open-source
fallback/ramstage stage 152839 LZMA open-source
fallback/dsdt.aml raw 22894 none open-source
fallback/postcar stage 42408 none open-source
fallback/payload simple elf 1916377 none open-source
bootblock bootblock 99520 none open-source
cpu_microcode_blob.bin microcode 546816 none closed-source
fspm.bin fsp 786432 none closed-source
fsps.bin fsp 296077 LZ4 closed-source
cbfs_master_header cbfs header 28 none data
intel_fit intel_fit 80 none data
config raw 5475 LZMA data
revision raw 856 none data
build_info raw 98 none data
vbt.bin raw 1290 LZMA data
cmos_layout.bin cmos_layout 800 none data
(empty) null 36 none empty
(empty) null 192932 none empty