[U-Boot] Using qemu-system-ppc to boot U-Boot

Marek Vasut marek.vasut at gmail.com
Wed Mar 28 00:16:16 CEST 2012

Dear Scott Wood,

> On 03/27/2012 03:53 PM, Wolfgang Denk wrote:
> > Dear Frank,
> > 
> > In message 
<CADNf2sxrQFDU0LLQWp5huRGgQiKbaLik1+2C=Oj=gjORP6XacA at mail.gmail.com> you wrote:
> >> I'm trying to figure out if anyone has ported a PPC system to QEMU
> >> that is capable of booting U-Boot. Similar to the ARM versatilepb
> >> target, but for PPC instead. I've tried the Bamboo and MPC8544DS but
> >> it seems they only use stubs to OS calls and parses a DTB for info.
> > 
> > Did you check which configurations the Yocto project are using?  They
> > provide qemu based emulations for ARM, MIPS, PPC and x86, and I would
> > be really surprised if the ARM and PPC configs were not based on
> > U-Boot ...  [ARM: beagleboard; PPC: mpc8315e-rdb; MIPS:
> > routerstationpro]
> I'm not familiar with what Yocto does, but at least for Freescale PPC
> chips QEMU does not emulate enough of the hardware to run U-Boot (at
> least, not without significant U-Boot hacking that I'm not aware of
> anyone having done).  QEMU loads Linux directly.
> I don't see mpc83xx support in QEMU at all.

Yep, either bamboo or taihu don't boot for me in qemu :-(

> -Scott
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Best regards,
Marek Vasut

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