Page MenuHomeFreeBSD

pci_dw.c: Trim ATU windows bigger than 4GB
ClosedPublic

Authored by kd on Apr 7 2021, 11:19 AM.
Tags
None
Referenced Files
Unknown Object (File)
Sun, Sep 20, 1:11 AM
Unknown Object (File)
Thu, Sep 17, 10:17 AM
Unknown Object (File)
Thu, Sep 17, 5:51 AM
Unknown Object (File)
Sat, Aug 29, 4:42 PM
Unknown Object (File)
Aug 21 2026, 3:51 PM
Unknown Object (File)
Aug 11 2026, 6:22 PM
Unknown Object (File)
Aug 10 2026, 10:52 AM
Unknown Object (File)
Aug 10 2026, 10:50 AM
Subscribers

Details

Summary

The size of the ATU MEM/IO windows is implicitly casted to uint32_t.
Because of that some window sizes were silently demoted to 0 and ignored.
Check the size if its too large, trim it to 4GB and print a warning message.

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable