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)
Mon, Mar 2, 4:21 PM
Unknown Object (File)
Mon, Mar 2, 12:56 PM
Unknown Object (File)
Mon, Mar 2, 5:39 AM
Unknown Object (File)
Wed, Feb 18, 3:09 PM
Unknown Object (File)
Thu, Feb 12, 2:04 PM
Unknown Object (File)
Jan 21 2026, 7:40 AM
Unknown Object (File)
Jan 7 2026, 11:53 AM
Unknown Object (File)
Dec 30 2025, 1:37 PM
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