From: Gary Thomas <gary@mlbassoc.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] arm: armv7: add compile option -mno-unaligned-access if available
Date: Thu, 12 Jul 2012 09:12:38 -0600 [thread overview]
Message-ID: <4FFEE966.4080609@mlbassoc.com> (raw)
In-Reply-To: <4FF16CF2.9090808@kmckk.co.jp>
On 2012-07-02 03:42, Tetsuyuki Kobayashi wrote:
> Recent compiler generates unaligned memory access in armv7 default.
> But current U-Boot does not allow unaligned memory access, so it causes
> data abort exception.
> This patch add compile option "-mno-unaligned-access" if it is available.
>
> Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
> ---
> arch/arm/cpu/armv7/config.mk | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/cpu/armv7/config.mk b/arch/arm/cpu/armv7/config.mk
> index 5407cb6..560c084 100644
> --- a/arch/arm/cpu/armv7/config.mk
> +++ b/arch/arm/cpu/armv7/config.mk
> @@ -26,6 +26,8 @@ PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
> # supported by more tool-chains
> PF_CPPFLAGS_ARMV7 := $(call cc-option, -march=armv7-a, -march=armv5)
> PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_ARMV7)
> +PF_CPPFLAGS_NO_UNALIGNED := $(call cc-option, -mno-unaligned-access,)
> +PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_NO_UNALIGNED)
>
> # =========================================================================
> #
> -- 1.7.9.5
Tested-by: Gary Thomas <gary@mlbassoc.com>
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
prev parent reply other threads:[~2012-07-12 15:12 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-05 17:47 [U-Boot] [PATCH] arm: enable unaligned access on ARMv7 Lucas Stach
2012-06-05 18:42 ` Stephen Warren
2012-06-05 19:06 ` Lucas Stach
2012-06-22 9:15 ` Albert ARIBAUD
2012-06-22 9:36 ` Lucas Stach
2012-06-22 11:16 ` Albert ARIBAUD
2012-06-22 11:47 ` Lucas Stach
2012-06-22 22:11 ` Aneesh V
2012-06-22 22:13 ` Aneesh V
2012-06-23 9:01 ` Albert ARIBAUD
2012-06-23 17:43 ` V, Aneesh
2012-06-25 20:34 ` Albert ARIBAUD
2012-06-25 21:49 ` Aneesh V
2012-06-25 22:02 ` Wolfgang Denk
2012-06-23 19:50 ` Måns Rullgård
2012-06-24 6:30 ` Lucas Stach
[not found] ` <20120625221741.3a32790e@lilith>
2012-06-25 21:34 ` Lucas Stach
2012-06-26 20:56 ` Rob Herring
2012-06-27 10:14 ` Tetsuyuki Kobayashi
2012-07-02 9:42 ` [U-Boot] [PATCH] arm: armv7: add compile option -mno-unaligned-access if available Tetsuyuki Kobayashi
2012-07-02 9:53 ` Måns Rullgård
2012-07-02 15:16 ` Lucas Stach
2012-07-02 16:14 ` Måns Rullgård
2012-07-03 7:10 ` Tetsuyuki Kobayashi
2012-07-05 7:57 ` Albert ARIBAUD
2012-07-18 21:37 ` Albert ARIBAUD
2012-07-19 4:31 ` Mike Frysinger
2012-07-19 4:29 ` Mike Frysinger
2012-07-19 6:28 ` Albert ARIBAUD
2012-07-19 14:27 ` Mike Frysinger
2012-07-20 7:12 ` Albert ARIBAUD
2012-07-12 15:12 ` Gary Thomas [this message]
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