File Format Questions

[Joel Sherrill]

Aditya wrote:

> Dear Joel
> Thank You...
> 
> This is what I have done...changed the objcopy line as follows in
> i386ex.cfg
> 
> 
> 
> define make-exe
> 	$(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) -o $(basename $@).coff \
> 	    $(LINK_OBJS) $(LINK_LIBS)
> 	$(OBJCOPY) -O srec $(basename $@).coff $(basename $@).i
> <--------- srec in this line
> 	sed -e 's/.$$//' -e '/^S0/d' $(basename $@).i | \
> 	          $(PACKHEX) > $(basename $@).exe
> 	$(NM) -g -n $(basename $@).coff > $(basename $@).num
> 	$(SIZE) $(basename $@).coff
> endef
> 
> ------------------------------------------------------------------------
> ----------------------------------
> 
> define make-exe
> 	$(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) -o $(basename $@).coff \
> 	    $(LINK_OBJS) $(LINK_LIBS)
> 	$(OBJCOPY) -O ihex $(basename $@).coff $(basename $@).i
> <--------- changed to ihex in this line
> 	sed -e 's/.$$//' -e '/^S0/d' $(basename $@).i | \
> 	          $(PACKHEX) > $(basename $@).exe
> 	$(NM) -g -n $(basename $@).coff > $(basename $@).num
> 	$(SIZE) $(basename $@).coff
> Endef
> 
> 
> 
> 
> Is This OK? Or anything else to do...

That looks OK to me by the objcopy documentation.


> Regards
> ADITYA.
> 
> 
> 
> Aditya wrote:
> 
> 
>>Dear RTEMS Users..
>>
>>The hello.exe and other sample(.exe) files created for the i386ex bsp
>>look like Motorola S Record files internally. Am I Right..? 
> 
> 
> The .exe format is whatever the board has to use to get an image
> downloaded to it.  This may be Srecords, coff, elf, a.out, Intel
> Hex, etc.  Looking at the file make/custom/i386ex.cfg, you are
> right it is S records.
> 
> 
>>If no what is the format?
>>
>>If yes then HOW to change this S Record files to Intel .HEX files ?
> 
> 
> Change the make-exe rule in make/custom/i386ex.cfg.
> 
> 
> 


-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985