Differential D47096

loader.efi: Parse SPCR v3 and v4
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Authored by imp on Oct 12 2024, 8:16 PM.

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jhb
markj
andrew
adrian
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bz
marius
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manu
kevans
cperciva
mhorne
mw
mmel

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rG501983e62e75: loader.efi: Parse SPCR v3 and v4

Summary

We can get the UART clock from v3 SPCR, and a precise baudrate from
v4. Some precise baudrates will currently be rejected by the kernel.

Sponsored by: Netflix

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Repository

rG FreeBSD src repository

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Tests Not Applicable

Event Timeline

imp created this revision.Oct 12 2024, 8:16 PM

Herald added subscribers: dab, bcran. · View Herald TranscriptOct 12 2024, 8:16 PM

imp requested review of this revision.Oct 12 2024, 8:16 PM

Harbormaster completed remote builds in B59946: Diff 144747.Oct 12 2024, 8:16 PM

imp added a child revision: D47097: uart: Implement SPCR rev 3 and 4 for PreciseBaudrate and UartClkFreq.Oct 12 2024, 8:16 PM

imp added a parent revision: D47095: uart: Go back to returning '0' when we've probed the device..

adrian accepted this revision.Oct 12 2024, 9:20 PM

This revision is now accepted and ready to land.Oct 12 2024, 9:20 PM

andrew accepted this revision.Oct 14 2024, 1:20 PM

fix checkstyle9.pl issues

This revision now requires review to proceed.Oct 14 2024, 5:58 PM

Harbormaster completed remote builds in B59983: Diff 144842.Oct 14 2024, 5:58 PM

imp retitled this revision from loader: Parse SPCR v3 and v4 to loader.efi: Parse SPCR v3 and v4.Oct 14 2024, 10:25 PM

andrew accepted this revision.Oct 15 2024, 8:11 AM

This revision is now accepted and ready to land.Oct 15 2024, 8:11 AM

Closed by commit rG501983e62e75: loader.efi: Parse SPCR v3 and v4 (authored by imp). · Explain WhyOct 15 2024, 11:19 AM

This revision was automatically updated to reflect the committed changes.

imp added a commit: rG501983e62e75: loader.efi: Parse SPCR v3 and v4.

Revision Contents
Changeset List

Path

Size

stand/

efi/

loader/

24 lines

Diff 144892

stand/efi/loader/main.c

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