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Date: Tue, 30 Jun 2009 09:30:00 +0200
Message-ID: <3dc1583f0906300030x6539d425g528cbd15c0783ef@mail.gmail.com>
Subject: Re: [gentoo-embedded] arm11 tool chain
From: Sven Rebhan <odinshorse@googlemail.com>
To: gentoo-embedded@lists.gentoo.org
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2009/6/29 Melton, Jason <jason.melton@plansys.com>:
Hey!
> http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX31). To
> build for this embedded processor would I use:
>
> arm-unknown-linux-gnu
Reading the webpage linked it seems like that thing has a hardware FPU,
so you can use your suggestion. However, arm-unknown-linux-gnu will
procude ARM OABI code. You might also want to try
arm-unknown-linux-gnueabi
to use ARM EABI instead. See
http://www.gentoo.org/proj/en/base/embedded/handbook/index.xml?part=1&chap=3
Furthermore according to
http://www.arm.com/products/CPUs/ARM1136JF-S.html
http://gcc.gnu.org/onlinedocs/gcc-4.3.3/gcc/ARM-Options.html#ARM-Options
I would use
-march=armv6j -mtune=arm1136jf-s
in the CFLAGS.
Have fun!
Sven