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From: Mike Frysinger <vapier@gentoo.org>
To: "Frank Ch. Eigler" <fche@redhat.com>
Cc: gdb-patches@sourceware.org, toolchain-devel@blackfin.uclinux.org
Subject: Re: [PATCH v3] sim: cfi: new flash device simulation
Date: Fri, 25 Mar 2011 21:23:00 -0000	[thread overview]
Message-ID: <AANLkTikOQ+ECGiG4A5j-h4qJYmq98yHCGZMHyYaZ8Bi5@mail.gmail.com> (raw)
In-Reply-To: <20110325192911.GH4401@redhat.com>

On Fri, Mar 25, 2011 at 3:29 PM, Frank Ch. Eigler wrote:
> On Fri, Mar 25, 2011 at 03:19:28PM -0400, Mike Frysinger wrote:
>> [...]
>> > Woudln't you want to write(2) out the contents of the flash backing
>> > store file, if !HAVE_MMAP?
>>
>> perhaps, but that'd require quite a bit more logic that just a single
>> call to write() here.  frankly, i dont care about the systems that
>> dont support mmap as required by POSIX.  the ifdef's are only to keep
>> from breaking their builds. [...]
>
> I see.  If you don't want to implement write() or fwrite() in a
> symmetric way to the read path, you could make sure that a !HAVE_MMAP
> machine would reject the configuration of a cfi model in "rw"
> file-backed mode.

i'll have it issue a warning that the rw mode is not supported, but
otherwise it'll continue to work
-mike


  reply	other threads:[~2011-03-25 19:32 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-25 19:32 Mike Frysinger
2011-03-25 21:07 ` Frank Ch. Eigler
2011-03-25 21:23   ` Mike Frysinger [this message]
  -- strict thread matches above, loose matches on Subject: below --
2010-12-31  6:33 [PATCH] " Mike Frysinger
2011-03-25  9:49 ` [PATCH v3] " Mike Frysinger
2011-03-25 15:55   ` Joel Brobecker

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