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[Qemu-devel] How can I exercise the CPU reset code for iMX boards?
From: |
Alex Bennée |
Subject: |
[Qemu-devel] How can I exercise the CPU reset code for iMX boards? |
Date: |
Thu, 09 Feb 2017 11:29:49 +0000 |
User-agent: |
mu4e 0.9.19; emacs 25.2.1 |
Hi Jean-Christophe,
As part of the MTTCG work I've been tweaking the reset handling code in
imx6_src.c to handle the fact the reset is now asynchronous:
https://github.com/stsquad/qemu/commit/ef8e78e7adccb8c881a1772ac01cd78c6b436de3
The only image I currently have is from Peter's image zoo which is a
simple kernel and initrd. I can successfully offline/online CPUs but
with printfs I can see this never causes them to be reset. So a couple
of questions:
- does Linux even exercise the reset bit?
- if not are there any test OS images that do?
and a follow-up bonus questions:
- what's the QEMU invocation for the iMX boards with a SD card?
- are there any full images you suggest with a more complete rootfs?
Regards,
--
Alex Bennée
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