Hi Simon
Le lun. 1 nov. 2021 à 17:58, Simon Glass sjg@chromium.org a écrit :
Hi Peter,
On Mon, 1 Nov 2021 at 04:48, Peter Maydell peter.maydell@linaro.org wrote:
On Tue, 26 Oct 2021 at 01:33, Simon Glass sjg@chromium.org wrote:
Add this file, generated from qemu, so there is a reference devicetree in the U-Boot tree.
Signed-off-by: Simon Glass sjg@chromium.org
Note that the dtb you get from QEMU is only guaranteed to work if:
- you run it on the exact same QEMU version you generated it with
- you pass QEMU the exact same command line arguments you used when you generated it
Yes, I certainly understand that. In general this is not safe, but in practice it works well enough for development and CI.
You recognize that you hijack a product directory with development hack facility. There is a test directory to keep things clear. There can be a dev-dts or something similar for Dev time tools. I have only seen push back on those fake dts files in the dts directory: I guess that unless someone strongly favors a continuation of the discussion, you may consider re-shaping the proposal to address concerns.
I am able to use QEMU versions that differ by two years, partly because I am not trying to do anything clever.
I have sent a patch to add an indication of where the devicetree came from, to help with visibility on this.
Regards, Simon