RE: [ECOS] an incompatibility between redboot/decompress.cv1.7,redboot/main.c v1.36, redboot/net/net_io.c v1.31 and ASSERT in a ROMbuild

["Stephen Goadhouse" <stephen dot goadhouse at adiengineering dot com>]

> On Wed, 2002-09-25 at 14:12, Stephen Goadhouse wrote:
> >
> >
> > > >>>>> Stephen Goadhouse writes:
> > >
> > > > Sorry I did not include it.  Here it is:
> > > > +$T0a0f:feffffff;0d:48d400c0;#1f+$T0a0f:feffffff;0d:48d400c0;#1f
> > >
> > > > The value 0x48d400c0 makes no sense to me.  This is an invalid
> > > section of
> > > > our memory map, so I don't expect it to be an address.
> > >
> > > How about 0xc000d448? ;-)
> > > That's the SP address, BTW.
> >
> > Okay, that makes sense.  0xc000d448 is valid SDRAM.  RedBoot uses SDRAM
> > starting at 0xc0000000.
> >
> > > The PC address of 0xfffffffe doesn't make any sense either.
> Kinda points
> > > to stack corruption.
> >
> > Yes, 0xfffffffe does not make any sense.
> >
> > > > If I retarget the build so that the ROM version starts at
> Flash address
> > > > 0x140000, I get the following GDB messages when I tried to bootup at
> > > > 0x140000:
> > >
> > > > +$T0a0f:feffffff;0d:38d400c0;#1e+$T0a0f:feffffff;0d:38d400c0;#1e
> > >
> > > > Also, I discovered that decompress.c v1.6 is okay.  It's only
> > > decompress.c
> > > > v1.7 along with main.c v1.35 and net_io.c v1.31 that cause this
> > > to happen.
> > >
> > > You'll also need an updated
> services/compress/zlib/current/inflate.c v1.2
> > > which has a related fix to go along with decompress.c.
> >
> > Yes, I have inflate.c v1.2 and it seems to compile into my
> build just fine.
> > The other updated files were redboot/current/src/load.c v1.28 and
> > ecos/packages/hal/common/current/include/hal_if.h v1.17.
>
> What tools are you using?  I've built and run RedBoot from ROM with
> these latest files using GCC 2.95.3 with no problems.
>
> --
> ------------------------------------------------------------
> Gary Thomas                  |
> eCosCentric, Ltd.            |
> +1 (970) 229-1963            |  eCos & RedBoot experts
> gthomas@ecoscentric.com      |
> http://www.ecoscentric.com/  |
> ------------------------------------------------------------

I'm using xscale-elf-gcc tools supplied by Intel.  This is version 010827 of
their tools, which uses gcc v2.96. Running "xscale-elf-gcc --version",
produces: 2.96-xscale-010827

Are you building with CYGPKG_INFRA_DEBUG set to a 1?  That is what crashes
for me.

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_/  Stephen Goadhouse                 Work: (434) 978-2888 x6 _/
_/  Staff Engineer       stephen.goadhouse@adiengineering.com _/
_/  ADI Engineering             http://www.adiengineering.com _/
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