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Re: Gcc with ppc860
- To: Rickard Fahlquist <rifa at enea dot se>
- Subject: Re: Gcc with ppc860
- From: Michael Meissner <meissner at cygnus dot com>
- Date: Thu, 6 Apr 2000 15:15:52 -0400
- Cc: cygwin at sourceware dot cygnus dot com
- References: <38EC9CF0.82BB7C13@enea.se>
On Thu, Apr 06, 2000 at 04:19:28PM +0200, Rickard Fahlquist wrote:
> I would like to use Gcc to compile code written for a PowerPC8xx. Is
> that possible and what flags would I in that case have to use?
When you have to go through the normal steps of configuring, building, and
installing GCC, Binutils, newlib, and possibly Gdb for a powerpc-eabi target.
The exact instructions are too long to go into here -- look at the
documentation for the above tools.
To configure for powerpc-eabi, you need to use --target=powerpc-eabi.
To compile code you need to use the -mcpu=860, -mcpu=823, or -mcpu=821 options
(the compiler treats them all the same).
To link the code, you probably need to write the appropriate stubs for the low
level stuff, and add -lc -l<your-stubs> to the link line, or use an appropriate
-m option if you have one of the supported target boards.
Michael Meissner, Cygnus Solutions, a Red Hat company.
PMB 198, 174 Littleton Road #3, Westford, Massachusetts 01886, USA
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