Re: [ES40-developers] CDROM issue
Status: Alpha
Brought to you by:
iamcamiel
From: Paco L. <pac...@gm...> - 2008-03-20 16:48:37
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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. > > > > > > > > > > > ------------------------------------------------------------------------- > > > > > This SF.net email is sponsored by: Microsoft > > > > > Defy all challenges. Microsoft(R) Visual Studio 2008. > > > > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > > > > _______________________________________________ > > > > > Es40-developers mailing list > > > > > Es4...@li... > > > > > https://lists.sourceforge.net/lists/listinfo/es40-developers > > > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------------------------- > > > > This SF.net email is sponsored by: Microsoft > > > > Defy all challenges. Microsoft(R) Visual Studio 2008. > > > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > > > _______________________________________________ > > > > Es40-developers mailing list > > > > Es4...@li... > > > > https://lists.sourceforge.net/lists/listinfo/es40-developers > > > > > > > > > > > ------------------------------------------------------------------------- > > > This SF.net email is sponsored by: Microsoft > > > Defy all challenges. Microsoft(R) Visual Studio 2008. > > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > > _______________________________________________ > > > Es40-developers mailing list > > > Es4...@li... > > > https://lists.sourceforge.net/lists/listinfo/es40-developers > > > > > ------------------------------------------------------------------------- > > This SF.net email is sponsored by: Microsoft > > Defy all challenges. Microsoft(R) Visual Studio 2008. > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > _______________________________________________ > > Es40-developers mailing list > > Es4...@li... > > https://lists.sourceforge.net/lists/listinfo/es40-developers > > > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Es40-developers mailing list > Es4...@li... > https://lists.sourceforge.net/lists/listinfo/es40-developers > |