vt_fb: account for endianness
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Authored by vexeduxr on Jun 14 2025, 12:47 PM.

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imp
manu
kevans

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rGb2e0dfc808c1: vt_fb: account for endianness

Summary

Account for endianness when writing to 24bpp framebuffers. Also create a
vt_fb_mem_wr3 function to avoid code duplication.

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rG FreeBSD src repository

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Event Timeline

vexeduxr requested review of this revision.Jun 14 2025, 12:47 PM

vexeduxr created this revision.

Harbormaster completed remote builds in B64864: Diff 157019.Jun 14 2025, 12:47 PM

vexeduxr added a parent revision: D50842: vt_fb: fix KASSERTs.Jun 14 2025, 12:47 PM

QEMU seems to give us a 24bpp framebuffer only when using the CSM firmware. This can be tested by loading QEMU with the CSM firmware then booting through UEFI.

imp accepted this revision.Jun 21 2025, 9:22 PM

This revision is now accepted and ready to land.Jun 21 2025, 9:22 PM

vexeduxr added reviewers: manu, kevans.Jun 22 2025, 3:30 AM

manu accepted this revision.Jun 22 2025, 6:25 AM

Closed by commit rGb2e0dfc808c1: vt_fb: account for endianness (authored by vexeduxr). · Explain WhyJun 23 2025, 6:27 AM

This revision was automatically updated to reflect the committed changes.

vexeduxr added a commit: rGb2e0dfc808c1: vt_fb: account for endianness.

Revision Contents
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Path

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sys/

dev/

vt/

hw/

fb/

vt_fb.c

33 lines

Diff 157430

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vt_fb: account for endiannessClosedPublicActions