Re: Porting BSP from Vxworks 6.2 to 5.5

On Nov 24, 2:09 pm, Sadashiv <sadashiv.madiwa...@xxxxxxxxx> wrote:
On Nov 22, 5:25 pm, RamSen <ramsent...@xxxxxxxxx> wrote:

Gurus,

Our application is running on the board 405EP - VxWorks 5.5
(with Tormado 2.2.1). We thought of changing the board to 440GR. BSP
for 440GR is available only for VxWorks 6.2. How tough it is, porting
BSP from 6.2 to 5.5? Some suggestions / guidelines ?

Thanks,
Ramsenthil.

This is not big task . Most of the drivers are compatible in VxWorks
6.x and VxWorks 5.x. And Ethernet driver alone differs so you shall go
on simple compilation first. During this stage you will get the
possible solutions. We have done same kind of porting from 6.2 to 5.5.
But note that you need lot of changes for 5.4.

Good Luck
--Sadashiv

It seems like 440GR BSP is developed only for 6.x. It is not
compatible with 5.5. I start simple compilation but It is failed.

ccppc -mcpu=440 -mstrict-align -ansi -O2 -fvolatile -fno-builtin -I/
h -I. -I
:\Tornado221_PPC\target\config\all -IC:\Tornado221_PPC\target/h -IC:
\Tornado221
PPC\target/src/config -IC:\Tornado221_PPC\target/src/drv -DCPU=PPC440 -
DTOOL_FA
ILY=gnu -DTOOL=gnu -g -O0 -P -xassembler-with-cpp -c -o sysALib.o
sysALib.s
/cygdrive/c/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ccEHs7sb.s: Assembler
messages:
/cygdrive/c/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ccEHs7sb.s:13357: Error:
unsupporte
relocation type

Please suggest which to prefer, either back porting from 6.2 to 5.5 or
migrating application from 5.5 to 6.2. Which will take minimal time?
.

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