Dasharo Openness Score
This page contains the Dasharo Openness Score for PC Engines apu2 series Dasharo releases. The content of the page is generated with Dasharo Openness Score utility.
v0.9.0
Openness Score for pcengines_apu2_v0.9.0.rom
Open-source code percentage: 85.3% Closed-source code percentage: 14.7%
- Image size: 8388608 (0x800000)
- Number of regions: 12
- Number of CBFSes: 2
- Total open-source code size: 4358328 (0x4280b8)
- Total closed-source code size: 749792 (0xb70e0)
- Total data size: 359260 (0x57b5c)
- Total empty size: 2921228 (0x2c930c)
Numbers given above already include the calculations from CBFS regions presented below
FMAP regions
| FMAP region | Offset | Size | Category |
|---|---|---|---|
| SMMSTORE | 0x0 | 0x40000 | data |
| RW_NVRAM | 0x40000 | 0x1000 | data |
| VBLOCK_A | 0x41000 | 0x2000 | data |
| RW_FWID_A | 0x3fff00 | 0x100 | data |
| FMAP | 0x400000 | 0x1000 | data |
| RO_FRID | 0x401000 | 0x100 | data |
| RO_FRID_PAD | 0x401100 | 0x700 | data |
| GBB | 0x401800 | 0x10000 | data |
CBFS FW_MAIN_A
- CBFS size: 3919616
- Number of files: 10
- Open-source files size: 2150524 (0x20d07c)
- Closed-source files size: 0 (0x0)
- Data size: 6180 (0x1824)
- Empty size: 1762912 (0x1ae660)
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 | 1960751 | none | open-source |
| fallback/romstage | stage | 49464 | none | open-source |
| fallback/ramstage | stage | 101300 | LZMA | open-source |
| fallback/dsdt.aml | raw | 5713 | none | open-source |
| fallback/postcar | stage | 33296 | none | open-source |
| config | raw | 3848 | LZMA | data |
| revision | raw | 854 | none | data |
| build_info | raw | 97 | none | data |
| spd.bin | spd | 256 | none | data |
| (empty) | null | 1762912 | none | empty |
CBFS COREBOOT
- CBFS size: 4122624
- Number of files: 16
- Open-source files size: 2207804 (0x21b03c)
- Closed-source files size: 749792 (0xb70e0)
- Data size: 6712 (0x1a38)
- Empty size: 1158316 (0x11acac)
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 | 1960751 | none | open-source |
| fallback/romstage | stage | 49464 | none | open-source |
| fallback/dsdt.aml | raw | 5713 | none | open-source |
| fallback/ramstage | stage | 101300 | LZMA | open-source |
| fallback/postcar | stage | 33296 | none | open-source |
| bootblock | bootblock | 57280 | none | open-source |
| AGESA | raw | 504032 | none | closed-source |
| cbfs_master_header | cbfs header | 28 | none | data |
| config | raw | 3848 | LZMA | data |
| revision | raw | 854 | none | data |
| build_info | raw | 97 | none | data |
| spd.bin | spd | 256 | none | data |
| (empty) | null | 3364 | none | empty |
| (empty) | null | 1064868 | none | empty |
| (empty) | null | 90084 | none | empty |