Windows kernel extracts various BIOS information at boot-time.
The method it uses to extract SystemBiosDate & SystemBiosVersion which
are then stored in:
* "HKLM\HARDWARE\DESCRIPTION\System" "SystemBiosDate"
* "HKLM\HARDWARE\DESCRIPTION\System" "SystemBiosVersion"
is very hueristic and depends on data contained in the BIOS's data
section.
The implementation resides in:
* nt!CmpGetBiosVersion()
* nt!CmpGetBiosDate()
respectively.
For reference implementation, see ReactOS:
https://doxygen.reactos.org/d5/dd2/i386_2cmhardwr_8c.html
This patch series aims to make SeaBIOS's data section interact better
with the Windows OS and report correct date & version values.
Liran Alon (4):
bios_date: Make all dates in BIOS consistent
bios_date: Make bios date appear once in the ROM
bios_date: Change BiosDate to SMBIOS bios date
bios_version: Remove misinterpreted version string
Sam Eiderman (2):
bios_date: Add bios date checks in checkrom.py
bios_version: Add bios version checks in checkrom.py
scripts/checkrom.py | 45 +++++++++++++++++++++++++++++++++++++++++++++
src/config.h | 11 +++++++++++
src/fw/biostables.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++----
src/fw/pciinit.c | 2 +-
src/fw/smbios.c | 21 +++++++++++++++++++--
src/misc.c | 2 +-
src/util.h | 5 +++++
7 files changed, 129 insertions(+), 8 deletions(-)
--
2.13.3
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