From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tetsuyuki Kobayashi Date: Mon, 02 Jul 2012 18:42:10 +0900 Subject: [U-Boot] [PATCH] arm: armv7: add compile option -mno-unaligned-access if available In-Reply-To: <4FEADD13.2040708@kmckk.co.jp> References: <1338918451-10126-1-git-send-email-dev@lynxeye.de> <4FCE52FB.3020501@wwwdotorg.org> <1338923180.1377.2.camel@tellur> <20120622111501.21e1fdcc@aari01-12> <4FEA21F5.4080803@gmail.com> <4FEADD13.2040708@kmckk.co.jp> Message-ID: <4FF16CF2.9090808@kmckk.co.jp> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 --- 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