Re: [ES40-developers] CDROM issue

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Hi:

Pepito, I have a configure, but I had to make: chmod +x configure

checking for strspn... yes
configure: creating ./config.status
config.status: creating Makefile
config.status: error: cannot find input file: doc/Makefile.in
paco@javier:~/es40$

Paco

On Thu, Mar 20, 2008 at 12:56 PM, Camiel Vanderhoeven <iam...@gm...>
wrote:

> Hello,
>
> I committed this to the repository. Also new is a new set of
> configuration files for Automake and friends. This means that on
> Linux, BSD or UNIX'es, you can simply run ./configure followed by make
> to build the emulator. If you run into any kind of trouble with this,
> please let me know, and I'll try to resolve them,
>
> Camiel.
>
> On Tue, Mar 18, 2008 at 2:55 PM, Brian Wheeler <bdw...@in...>
> wrote:
> > Yes, that's exactly what's happening -- I write lock the registers prior
> >  to the  execute() call, and since the read from cdrom takes so long,
> the
> >  lock times out.
> >
> >  If anyone is knowledgeable about the workings of IDE, let me know if
> >  this makes sense:
> >
> >  The alternate status register seems to be a semaphore in some respects:
> >  the host polls it to determine the 'busy' and 'drq' status to decide
> >  when to read/write from/to the rest of the registers.  When busy
> (and/or
> >  drq) are asserted, the ide thread should have shut down so there won't
> >  be any contention with the cpu thread.
> >
> >  So I did a couple of things:
> >  * removed all of the general register locking.
> >  * busmaster locking is still in place, but it might not be needed.
>  This
> >  locking is pretty fine grained so nothing should time out waiting for
> >  it.
> >  * created an alt_status variable which gets updated when the real
> status
> >  becomes stable (i.e. at the end of the execute() run, after the drq
> >  status is changed, etc)  Access to this variable is locked.
> >  * everything else is a free for all.
> >
> >  This patch implements that methodology as well as an optional delayed
> >  interrupt.  The OSes still lose interrupts sometimes and ATAPI is
> busted
> >  something fierce.  If anyone wants to take a shot at it, feel free.
> I've
> >  been looking at it long enough that I'm out of ideas as to what is
> going
> >  wrong.
> >
> >  Brian
> >
> >
> >
> >
> >
> >
> >  On Tue, 2008-03-18 at 13:13 +0100, Camiel Vanderhoeven wrote:
> >  > Brian,
> >  >
> >  > I think you're the one who understands the ATAPI state engine best;
> >  > could there be a point where the ATAPI engine is waiting for
> something
> >  > from the CPU, while keeping the registers mutex write-locked?
> >  >
> >  > Camiel.
> >  >
> >  > On Tue, Mar 18, 2008 at 12:36 PM, Fausto Saporito <fa...@un...>
> wrote:
> >  > > Hello all,
> >  > >
> >  > >  I have to fix my previous post.
> >  > >
> >  > >  I have the same error with a "file", not only with "device".
> >  > >
> >  > >  regards,
> >  > >  fausto
> >  > >
> >  > >
> >  > >
> >  > >  Quoting Fausto Saporito <fa...@un...>:
> >  > >
> >  > >  > Hello Brial et all,
> >  > >  >
> >  > >  > just for your info, with the latest cvs I have always a crash
> during a
> >  > >  > cdrom mount, with the same error:
> >  > >  >
> >  > >  > Exception in CPU thread: Threading error: Locking error
> (Timeout:
> >  > >  > c:\users\p\es4
> >  > >  > 0\src\Lock.h, line 581) trying to read-lock mutex ide1-registers
> from
> >  > >  > thread cpu
> >  > >  > 0.
> >  > >  > : c:\users\p\es40\src\Lock.h, line 587.
> >  > >  >
> >  > >  > regards,
> >  > >  > fausto
> >  > >  >
> >  > >  > PS
> >  > >  > with file is ok.
> >  > >  >
> >  > >  >
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