Stephen Checkoway <stephen.checko...@oberlin.edu> writes:
> On Feb 18, 2019, at 08:43, Thomas Huth <th...@redhat.com> wrote:
>
>>On 18/02/2019 07.07, Stephen Checkoway wrote:
>>> Hi all,
>>>
>>> I've been working on some improvements to the pflash_cfi02 block device
>>> (interleaved flash devices similar to pflash_cfi01, multi-sector erase,
>>> nonuniform sector sizes, and some bug fixes and I'm planning on
>>> implementing sector erase suspend/resume commands in the near future).
Any chance you could do multiple region support, too?
>>> There appear to be no existing tests for this device and I'm unsure what
>>> the appropriate way to add tests for sysbus devices is. -device can't be
>>> used because sysbus devices aren't user-creatable (and even if they were,
>>> creating the device wouldn't be sufficient since it wouldn't connect it to
>>> the sysbus).
>>>
>>> Any suggestions would be appreciated.
>>
>> I think you could use one of the machines that has a cfi02 on board. For
>> example: Write some random data to a temporary file. Run qemu with:
>>
>> QTestState *qts;
>> qts = qtest_initf(" qemu-system-arm -M musicpal,accel=qtest "
>> "-drive if=pflash,file=%s,format=raw", filename);
>
> If I do that, will it be possible for the test to override the properties set
> by pflash_cfi02_register? It looks like I should be able to use -global to
> set properties that aren't set explicitly.
Yes.
Won't work for properties set by pflash_cfi02_register(), though. To
test the full range of values there, you'd have to make them
configurable somehow. We currently don't have a good way to do that.
Please see
Subject: Re: Configuring pflash devices for OVMF firmware
Message-ID: <87mun8gd2x....@dusky.pond.sub.org>
https://lists.nongnu.org/archive/html/qemu-devel/2019-02/msg01734.html
