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Dasharo Openness Score

Openness Score for dell_snb_ivb_workstations_v0.1.0-rc1.rom

Open-source code percentage: 21.4% Closed-source code percentage: 78.6%

  • Image size: 12582912 (0xc00000)
  • Number of regions: 13
  • Number of CBFSes: 1
  • Total open-source code size: 1715543 (0x1a2d57)
  • Total closed-source code size: 6313984 (0x605800)
  • Total data size: 408517 (0x63bc5)
  • Total empty size: 4144868 (0x3f3ee4)

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

FMAP regions

FMAP region Offset Size Category
SI_ME 0x5000 0x5fb000 closed-source
SI_DESC 0x0 0x1000 data
SMMSTORE 0x800000 0x40000 data
RW_MRC_CACHE 0x840000 0x10000 data
RW_ELOG 0x850000 0x10000 data
FMAP 0x860000 0x800 data
UNUSED 0x600000 0x200000 empty

CBFS COREBOOT

  • CBFS size: 3799040
  • Number of files: 15
  • Open-source files size: 1715543 (0x1a2d57)
  • Closed-source files size: 26624 (0x6800)
  • Data size: 9157 (0x23c5)
  • Empty size: 2047716 (0x1f3ee4)

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/payload simple elf 1383543 none open-source
fallback/romstage stage 110096 none open-source
fallback/ramstage stage 139861 LZMA open-source
fallback/dsdt.aml raw 14827 none open-source
fallback/postcar stage 32656 none open-source
bootblock bootblock 34560 none open-source
cpu_microcode_blob.bin microcode 26624 none closed-source
cbfs_master_header cbfs header 32 none data
config raw 3928 LZMA data
revision raw 870 none data
build_info raw 113 none data
vbt.bin raw 1438 LZMA data
cmos.default cmos_default 256 none data
cmos_layout.bin cmos_layout 1204 none data
(empty) null 2047716 none empty