Message-ID:	<000a01c0d8be$84a58600$f8089d3e@iron>
From:	"Thomas Schachtner" <thomas DOT schachtner AT gmx DOT de>
To:	"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Cc:	<djgpp AT delorie DOT com>
References:	<9cp464$ju8$1 AT news2 DOT dtag DOT de> <9cp8nj$ap6$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE> <9cu780$5rr$1 AT news2 DOT dtag DOT de> <3028-Fri04May2001183719+0300-eliz AT is DOT elta DOT co DOT il> <000c01c0d56e$77a9a7e0$cb099d3e AT iron> <9003-Sat05May2001175837+0300-eliz AT is DOT elta DOT co DOT il> <001901c0d577$954622c0$cb099d3e AT iron> <1659-Sat05May2001211357+0300-eliz AT is DOT elta DOT co DOT il> <9d8src$9kc$1 AT news2 DOT dtag DOT de> <5137-Tue08May2001211326+0300-eliz AT is DOT elta DOT co DOT il> <9dbjel$35j$2 AT news2 DOT dtag DOT de> <5567-Wed09May2001200344+0300-eliz AT is DOT elta DOT co DOT il>
Subject:	Re: read a specific memory address
Date:	Wed, 9 May 2001 21:30:32 +0200
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Reply-To:	djgpp AT delorie DOT com

> > I checked the return values, but none of them failed...
> > After modifying the program (making it smaller) the first DMI function
> > fails - but only with Windows 2000....
>
> What is that first function--is that __dpmi_physical_address_mapping?

yes, it fails, but only on Windows 2000, and only after changing my program;
in the original configuration it didn't fail....

> If that fails, you cannot continue.

What can I do against this failure?

> What are the values of dmi.start and dmi.length printed by this
> snippet from your program:
>
> >   mi.address = dmi.start;
> >   mi.size    = dmi.length;
> >
> >   printf ("mi.address = %08X\n", dmi.start);
> >   printf ("mi.size    = %08X\n", dmi.length);
> >
> >   if (__dpmi_physical_address_mapping (&mi) == -1)

Sorry, I am already at home and do not know the values by heart, but
dmi.start is 0x0BFF0000 and dmi.length is something like 0x0220 or 0x0520
...

And: Why does this function fail with Windows 2000 and does NOT fail with
Windows Me?

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