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id = 2787
title = "Opentitan timer layout incorrect"
state = "opened"
created_at = "2025-01-21T14:49:55.743Z"
closed_at = "n/a"
labels = ["target: riscv"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/2787"
host-os = "Ubuntu 22.04.3"
host-arch = "x86"
qemu-version = "9.1.1"
guest-os = "Bare Metal"
guest-arch = "riscv32"
description = """It looks as if some of the timer register offsets here are incorrect:
https://gitlab.com/qemu-project/qemu/-/blob/master/hw/timer/ibex_timer.c?ref_type=heads#L37
Compare with:
https://opentitan.org/book/hw/ip/rv_timer/doc/registers.html
I suspect they're out of date. The documentation link on line 7 is not working anymore - the current documentation URL for Opentitan is the one just given.
It might also make sense to rename this file `opentitan_timer.c`, instead of `ibex_timer.c`. The timer is an Opentitan hardware IP block, rather than a feature of the Ibex CPU."""
reproduce = "n/a"
additional = "n/a"
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