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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] arch/arm: add support for thumb(1) mode
Date: Wed, 17 Jul 2013 21:58:26 +0200	[thread overview]
Message-ID: <20130717215826.60942218@skate> (raw)
In-Reply-To: <51E6C06C.8070300@zacarias.com.ar>

Dear Gustavo Zacarias,

On Wed, 17 Jul 2013 13:03:56 -0300, Gustavo Zacarias wrote:

> > Which leads me to this question: is adding Thumb support as simple as
> > what you're adding? Aren't there some additional thumb-interworking
> > complexities to handle?
> 
> http://infocenter.arm.com/help/topic/com.arm.doc.ihi0042e/IHI0042E_aapcs.pdf
> Section 5.6 is of interest, once OABI (APCS) was dropped interworking
> isn't that hard since it's mandatory for AAPCS.

Ok, so if I select "Thumb" for ARMv5T, but use a normal ARMv5
external toolchain (compiled ARM, not Thumb), it should work. Am I
correct?

Thanks!

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

  reply	other threads:[~2013-07-17 19:58 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-17 15:39 [Buildroot] [PATCH] arch/arm: add support for thumb(1) mode Gustavo Zacarias
2013-07-17 15:58 ` Thomas Petazzoni
2013-07-17 16:03   ` Gustavo Zacarias
2013-07-17 19:58     ` Thomas Petazzoni [this message]
2013-07-17 22:25       ` Gustavo Zacarias
2013-07-18  7:19         ` Thomas Petazzoni
2013-07-18 11:08           ` Gustavo Zacarias
2013-07-18 11:24             ` Thomas Petazzoni
2013-07-18  8:10         ` Peter Korsgaard
2013-07-18 16:07           ` Gustavo Zacarias
2013-07-18 22:32             ` Peter Korsgaard
2013-07-18 22:46               ` Gustavo Zacarias
2013-07-19  8:19                 ` Peter Korsgaard
2013-07-19 13:06                   ` Gustavo Zacarias
2013-07-17 22:22 ` Peter Korsgaard

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