What is a vector file?
Sun Oct 22 15:28:00 GMT 2000
In the last five hours since I wrote this I have done
nothing read, read, read GNU AS,LD and Hitachi manual.
I understand now what is going on and how this is
working. It's slowly coming together for me.
Thanks for your response.
--- Keith Wright <email@example.com> wrote:
> > From: Home Email <firstname.lastname@example.org>
> > In studying a boot prom for an Hitachi SH032 along
> > with the source code, I am beginning to get a good
> > understanding of how the GNU AS, LD works.
> > when I read in the boot prom I have into my
> > I find locations 0x0000 - 0x01C7 filled with
> > hex numbers that I don't know what they are.
> Clearly, you are out of your depth, but you may be
> swimming in a minute. You need to learn about the
> hardware you are running on. Go to Hitachi and ask
> for the SH032 "Principles of Operation",
> Reference", or "Instruction Set List". I don't
> know what it's called by Hitachi, and I don't have
> so don't ask me more about that. Some general book
> on programming microprocessors may also be helpful.
> > FILE NAME:
> > Vectors.S
> > FUNCTION:
> > This file contains the vector overlay for the
> > SH7000 microcontroller.
> ... so on. Much more than we need to see of the
> interrupt vector table. Go learn what an interrupt
> vector table is, the comment says all that could be
> said, you need to learn the language it is written
> > I am but just a learner here so bear with me while
> > ask some dumb questions.....
> I'm being as polite as I can, given my abrasive
> > It looks as though as soon as the microcontroller
> > begins it is initalizing itself. Is this what the
> > vector file is for?
> Its a list of addresses to jump to when an interrupt
> happens. Different addresses for different
> One interrupt is Power-on and Reset.
> > Do all embedded microcontrollers use a file like
> > at the beginning of their their boot prom
> You could imagine doing it in other ways, but
> boot prom does it somehow, whether it is embeded in
> a can opener or largest Supercomputer of the week.
> > and how much intialization is necessary?
> See processor reference and motherboard schematic.
> > Is there any documentation about vector files and
> > to use them (or other methods)?
> CS 201, Undergraduate Intro to Computer
> > Thanks for any help on this.
> De nada.
> Want more information? See the CrossGCC FAQ,
> Want to unsubscribe? Send a note to
Do You Yahoo!?
Yahoo! Messenger - Talk while you surf! It's FREE.
Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/
Want to unsubscribe? Send a note to email@example.com
More information about the crossgcc