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[rtl] Allow M-mode writes to tselect - #2571

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SamuelRiedel merged 1 commit into
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h-filali:tselect-m-mode-write
Nov 6, 2026
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SamuelRiedel merged 1 commit into
lowRISC:masterfrom
h-filali:tselect-m-mode-write

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@h-filali

@h-filali h-filali commented Nov 6, 2026

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The tselect write enable was gated on debug_mode_i, so M-mode writes were silently ignored and M-mode software could only ever see trigger 0.

Reported-by: huntersubmit

Closes #2551

The tselect write enable was gated on debug_mode_i, so M-mode writes
were silently ignored and M-mode software could only ever see trigger 0.

Reported-by: huntersubmit
Signed-off-by: Hakim Filali <hfilali@lowrisc.org>
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h-filali requested a review from SamuelRiedel November 6, 2026 12:57
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All contributors have signed the CLA ✍️ ✅
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@h-filali

h-filali commented Nov 6, 2026

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I have read the CLA Document. By submitting this pull request comment, I am hereby confirming my acceptance of the terms of the CLA Document and my agreement to be legally bound by its terms.

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Thanks!

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SamuelRiedel added this pull request to the merge queue Nov 6, 2026
Merged via the queue into lowRISC:master with commit ad9166b Nov 6, 2026
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[BUG] M-mode writes to a valid tselect index are silently ignored

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