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From: Sascha Hauer <s.hauer@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: Fri, 3 Mar 2017 07:06:57 +0100	[thread overview]
Message-ID: <20170303060657.7a4i5efcjcx73zqc@pengutronix.de> (raw)
In-Reply-To: <20170301142641.6596-1-l.stach@pengutronix.de>

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.
> 
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
>  arch/arm/lib32/barebox.lds.S | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks

Sascha

> 
> diff --git a/arch/arm/lib32/barebox.lds.S b/arch/arm/lib32/barebox.lds.S
> index b49c269a4346..e7b87b7cdd18 100644
> --- a/arch/arm/lib32/barebox.lds.S
> +++ b/arch/arm/lib32/barebox.lds.S
> @@ -45,7 +45,7 @@ SECTIONS
>  		__bare_init_start = .;
>  		*(.text_bare_init*)
>  		__bare_init_end = .;
> -		. = ALIGN(4);
> +		. = ALIGN(0x20);
>  		__exceptions_start = .;
>  		KEEP(*(.text_exceptions*))
>  		__exceptions_stop = .;
> -- 
> 2.11.0
> 
> 
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

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      parent reply	other threads:[~2017-03-03  6:07 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 ` [PATCH 1/3] ARM: align exception vectors to 32 byte Uwe Kleine-König
2017-03-03  6:06 ` Sascha Hauer [this message]

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