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Re: [Qemu-devel] New documentation for the LatticeMicro32 target


From: Programmingkid
Subject: Re: [Qemu-devel] New documentation for the LatticeMicro32 target
Date: Mon, 17 Jul 2017 11:18:02 -0400

> On Jul 17, 2017, at 10:56 AM, Programmingkid <address@hidden> wrote:
> 
> 
>> On Jul 17, 2017, at 1:40 AM, Michael Walle <address@hidden> wrote:
>> 
>> Am 2017-07-09 17:39, schrieb Programmingkid:
>>> I just made a documentation page for the LatticeMicro32 target. I need
>>> to know its current status, how much of this system is implemented,
>>> what software runs on it. If anyone could supply more information that
>>> would be appreciated. Pictures of this target running would be great
>>> as well. Thanks.
>>> Here is the page: http://wiki.qemu.org/Documentation/Platforms/LatticeMico32
>> 
>> Hi,
>> 
>> thank you for your efforts. I have to admit that the current status is 
>> unknown.
>> 
>> I've just compiled the latest head and it looks like the BQL is missing for 
>> the interrupt helpers. I'll post a patch soon. With the patch, the basic 
>> stuff is working but there seems to be an issue with OpenGL.
>> 
>> You can read the quickstart instructions at:
>> http://milkymist.walle.cc/README.qemu
>> 
>> The flash image isn't working because it will boot right into the 
>> visualization mode, which is using the OpenGL stuff. The "-kernel 
>> flickernoise" method is working though. You can get the flickernoise binary 
>> at:
>> http://milkymist.walle.cc/updates/current/flickernoise
>> 
>> Besides the milkymist emulation, there is plain lm32 emulation based on the 
>> Lattice reference design which should be ok, because the tests are working 
>> (make -C tests/tcg/lm32 check)
>> 
>> -michael
> 
> Thank you for all this information. It has been added to the wiki page. 
> 

I just tried qemu-system-lm32 and it crashed.

Command-line: qemu-system-lm32 -M milkymist -kernel flickernoise

Error message: audio: Failed to create voice `mm_ac97.in'
**
ERROR: /accel/tcg/tcg-all.c:42:tcg_handle_interrupt: assertion failed: 
(qemu_mutex_iothread_locked())
Abort trap: 6

Host: Mac OS 10.12.5


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