From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Using qemu-system-ppc to boot U-Boot
Date: Tue, 27 Mar 2012 16:58:36 -0500 [thread overview]
Message-ID: <4F72380C.50905@freescale.com> (raw)
In-Reply-To: <20120327215538.GA5418@bill-the-cat>
On 03/27/2012 04:55 PM, Tom Rini wrote:
> On Tue, Mar 27, 2012 at 03:59:48PM -0500, Scott Wood wrote:
>> On 03/27/2012 03:53 PM, Wolfgang Denk wrote:
>>> Dear Frank,
>>>
>>> In message <CADNf2sxrQFDU0LLQWp5huRGgQiKbaLik1+2C=Oj=gjORP6XacA@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.
>
> Putting my OE-guy hat on, the qemu-ppc target used is 'mac99'. It was
> switched over from prep back in January of this year. From my own past
> diggings, there's not really a newer machine option as all of the
> support added to qemu from Freescale and IBM has been kvm-oriented
> rather than full machine emulation oriented.
The mpc8544ds target does support emulation now (but not enough for U-Boot).
-Scott
next prev parent reply other threads:[~2012-03-27 21:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-27 18:41 [U-Boot] Using qemu-system-ppc to boot U-Boot Frank Svendsbøe
2012-03-27 20:53 ` Wolfgang Denk
2012-03-27 20:59 ` Scott Wood
2012-03-27 21:55 ` Tom Rini
2012-03-27 21:58 ` Scott Wood [this message]
2012-03-28 17:13 ` Frank Svendsbøe
2012-03-27 22:16 ` Marek Vasut
2012-03-28 17:19 ` Frank Svendsbøe
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