850 boot-rom image

vincent_lee@accton.com.tw vincent_lee@accton.com.tw
Thu Sep 13 21:20:00 GMT 2001


---------------------- Forwarded by vincent_lee/Accton on 2001/09/14 11:16
AM ---------------------------



Ian Lance Taylor <ian@zembu.com> on 2001/09/13 11:51:36 PM

To:   vincent_lee@accton.com.tw
cc:

Subject:  Re: none

vincent_lee@accton.com.tw writes:

>      1. I am working on MPC850 target, the follwoing is my memory map.
>
>           RAM: 0 - 0x3fffff   ROM: 3000000 - 31fffff
>
>           ROM_TEXT_ADRS: 3000100
>           RAM_LOW_ADRS:  1000
>           RAM_HIGH_ADRS: 2000000
>
>      2. when I build & link Vxwork_rom based on the map above, I will get
>         a image thru utility 'elftobin'.
>
>      3. the outcome is an image where data segment located before text
> segment.
>         this image is good for RAM. However, I need a ROM image that can
be
> programmed
>         thru flash programmer.
>
>         It seem that the data segment must be duplicated on ROM and copy
to
> RAM.
>
>      Am I right?
>
>      Any tools can move data segments to where I want it to be?

I'm not sure why you are asking me directly.  Please send questions
about the binutils to bug-binutils@gnu.org or binutils@gcc.gnu.org.
Thanks.

What are you describing is normally handled by the GNU linker with the
AT modifier in a linker script.  See the documentation.

Ian




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