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Re: how to prevent automatic dtb load?

From: Alex Bennée
Subject: Re: how to prevent automatic dtb load?
Date: Thu, 04 Aug 2022 11:04:29 +0100
User-agent: mu4e 1.7.27; emacs 28.1.91

"Chan Kim" <ckim@etri.re.kr> writes:

> Hello experts,
> While emulating u-boot program which loads linux, I found even if I load my 
> dtb file at 0x80000000 using -device
> loader,file=xxx,addr=yyy the qemu program loads the dtb it generated
> at 0x80000000. And it gives me this error.

What is your full command line? QEMU only generates DTBs for some
dynamic models, otherwise you should be providing one via the -dtb

> The following two regions overlap (in the cpu-memory-0 address space):
>   arch/arm64/boot/dts/arm/ab21m.dtb (addresses 0x0000000080000000 - 
> 0x0000000080000994)
>   dtb (addresses 0x0000000080000000 - 0x0000000080100000)
> make: *** [Makefile.qemu:22: run_uboot] Error 1
> I tried setting skip_dtb_autoload to true in my machine to no avail.
> How can I avoid automatic dtb load?
> Thanks in advance.
> Chan Kim

Alex Bennée

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