From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/3] ARM: align exception vectors to 32 byte
Date: Thu, 2 Mar 2017 09:08:39 +0100 [thread overview]
Message-ID: <20170302080839.e5vc5kreogecnlq3@pengutronix.de> (raw)
In-Reply-To: <20170301142641.6596-1-l.stach@pengutronix.de>
Hello Lucas,
On Wed, Mar 01, 2017 at 03:26:39PM +0100, Lucas Stach wrote:
> On ARMv7 the exception vectors inside the barebox binary are used directly
> by remapping the vectors base through the VBAR register. While VBAR allows
> to remap the exception vectors freely, it still imposes a minimum alignment
> of 32 byte, as the lower bits are treated as the exception vector offset.
> Enforce this alignment inside the barebox binary.
maybe put a part of this into a comment?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2017-03-02 8:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-01 14:26 Lucas Stach
2017-03-01 14:26 ` [PATCH 2/3] ARM: correctly identify ARMv6 K/Z Lucas Stach
2017-03-01 17:55 ` Jean-Christophe PLAGNIOL-VILLARD
2017-03-02 10:42 ` Lucas Stach
2017-03-03 6:04 ` Sascha Hauer
2017-03-03 14:26 ` Jean-Christophe PLAGNIOL-VILLARD
2017-03-01 14:26 ` [PATCH 3/3] ARM: execute DMB before trying to flush cache Lucas Stach
2017-03-02 8:08 ` Uwe Kleine-König [this message]
2017-03-03 6:06 ` [PATCH 1/3] ARM: align exception vectors to 32 byte Sascha Hauer
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