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From: Waldemar Brodkorb <wbx@openadk.org>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH v4 3/3] toolchain: disable internal for blackfin
Date: Tue, 14 Jul 2015 21:20:22 +0200	[thread overview]
Message-ID: <20150714192022.GE7858@waldemar-brodkorb.de> (raw)
In-Reply-To: <1436886664-3206-4-git-send-email-guido@vanguardiasur.com.ar>

Hi Guido,
Guido Mart?nez wrote,

> The internal toolchain won't work with Cortex-M3, mostly because of the
> fact that some packages (notably: uclibc and glibc) fall back to regular
> ARM instructions in some situations, and Cortex-M3 has no support for
> those kind of instructions.
> 
> So, just disable it for now and rely on the external toolchain.

uClibc-ng compiles fine for Cortex-M3 when you use thumb, flat
binaries and disable ld.so. 
I am still in the progress of running the code on Freescale Kinetis
K70 from Emcraft. But I am optimistic.
(context functions must be disabled)

best regards
 Waldemar 

  parent reply	other threads:[~2015-07-14 19:20 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-26 17:33 [Buildroot] [PATCH v3 0/4] Add ARM Cortex-M3 support Guido Martínez
2015-06-26 17:33 ` [Buildroot] [PATCH 1/4] arm: update processor types Guido Martínez
2015-06-27 10:24   ` Yann E. MORIN
2015-06-26 17:33 ` [Buildroot] [PATCH 2/4] toolchain: allow for stupid toolchains Guido Martínez
2015-06-27 10:28   ` Yann E. MORIN
2015-06-26 17:33 ` [Buildroot] [PATCH 3/4] toolchain: introduce BR2_TOOLCHAIN_HAS_RESOLVER Guido Martínez
2015-06-27 10:39   ` Yann E. MORIN
2015-06-26 17:33 ` [Buildroot] [PATCH 4/4] toolchain-external: add OSELAS 2014.12.0 Cortex-M3 toolchain Guido Martínez
2015-06-27 12:42   ` Yann E. MORIN
2015-06-28 12:34 ` [Buildroot] [PATCH v3 0/4] Add ARM Cortex-M3 support Thomas Petazzoni
2015-06-29 15:01   ` Guido Martínez
2015-07-14 15:11 ` [Buildroot] [PATCH v4 0/3] " Guido Martínez
2015-07-14 15:11   ` [Buildroot] [PATCH v4 1/3] busybox: disable nslookup applet Guido Martínez
2015-07-14 15:11   ` [Buildroot] [PATCH v4 2/3] toolchain-external: add OSELAS 2014.12.0 Cortex-M3 toolchain Guido Martínez
2015-07-14 15:42     ` Baruch Siach
2015-07-14 15:57       ` Guido Martínez
2015-07-14 15:11   ` [Buildroot] [PATCH v4 3/3] toolchain: disable internal for blackfin Guido Martínez
2015-07-14 15:43     ` Baruch Siach
2015-07-14 15:58       ` Guido Martínez
2015-07-14 19:20     ` Waldemar Brodkorb [this message]
2015-07-14 16:09   ` [Buildroot] [PATCH v5 1/3] busybox: disable nslookup applet Guido Martínez
2015-07-14 16:09     ` [Buildroot] [PATCH v5 2/3] toolchain-external: add OSELAS 2014.12.0 Cortex-M3 toolchain Guido Martínez
2015-07-14 16:09     ` [Buildroot] [PATCH v5 3/3] toolchain: disable internal for Cortex-M3 Guido Martínez
2015-07-14 16:31     ` [Buildroot] [PATCH v5 1/3] busybox: disable nslookup applet Thomas Petazzoni
2015-07-14 16:55       ` Thomas Petazzoni
2015-07-14 17:10         ` Gustavo Zacarias
2015-07-15 17:19         ` Guido Martínez

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