[ECOS] an incompatibility between redboot/decompress.c v1.7,redboot/main.c v1.36, redboot/net/net_io.c v1.31 and ASSERT in a ROM build

[Mark Salter]

>>>>> 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.

The PC address of 0xfffffffe doesn't make any sense either. Kinda points
to stack corruption.

> 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.

--Mark

-- 
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss