From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen Gang Subject: [PATCH v2] ARM: VExpress: Makefile: add armv7 flags for inline assmembly code compiling Date: Fri, 23 Aug 2013 16:02:40 +0800 Message-ID: <52171720.4050501@asianux.com> References: <521479B4.8030604@asianux.com> <52147AC6.9040300@asianux.com> <52147E12.4060401@asianux.com> <20130822074524.GS7656@atomide.com> <20130822102210.GF25647@n2100.arm.linux.org.uk> <5216BF16.2080006@asianux.com> <5216C389.9050605@asianux.com> <5216D138.6080802@asianux.com> <5216D31B.9050609@asianux.com> <20130823055152.GY7656@atomide.com> <52170900.5070909@asianux.com> <52170C15.5010907@asianux.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <52170C15.5010907@asianux.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Tony Lindgren Cc: linux-omap@vger.kernel.org, Russell King - ARM Linux , "linux-arm-kernel@lists.infradead.org" List-Id: linux-omap@vger.kernel.org When vexpress kernel is compiled for v6, it still can support armv7 instructions (hardware still support), so need let compiler know about it for related inline assembly code, or compiling will fail. The related failure command: arm-linux-gnueabi-gcc -Wp,-MD,arch/arm/mach-vexpress/.dcscb.o.d -nostdinc -isystem /usr/lib/gcc/arm-linux-gnueabi/4.7/include -I/root/linux-next/arch/arm/include -Iarch/arm/include/generated -Iinclude -I/root/linux-next/arch/arm/include/uapi -Iarch/arm/include/generated/uapi -I/root/linux-next/include/uapi -Iinclude/generated/uapi -include /root/linux-next/include/linux/kconfig.h -D__KERNEL__ -mlittle-endian -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -fno-delete-null-pointer-checks -Werror=implicit-int -Werror=strict-prototypes -Os -Wno-maybe-uninitialized -fno-dwarf2-cfi-asm -fno-omit-frame-pointer -mapcs -mno-sched-prolog -fstack-protector -mabi=aapcs-linux -mno-thumb-interwork -funwind- tables -marm -D__LINUX_ARM_ARCH__=6 -march=armv6k -mtune=arm1136j-s -msoft-float -Uarm -fno-reorder-blocks -fno-ipa-cp-clone -fno-partial-inlining -Wframe-larger-than=1024 -Wno-unused-but-se t-variabl e -fno-omit-frame-pointer -fno-optimize-sibling-calls -g -femit-struct-debug-baseonly -fno-var-tracking -pg -fno-inline-functions-called-once -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -DCC_HAVE_ASM_GOTO -I/root/linux-next/arch/arm/mach-vexpress/include -I/root/linux-next/arch/arm/plat-versatile/include -W -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(dcscb)" -D"KBUILD_MODNAME=KBUILD_STR(dcscb)" -c -o arch/arm/mach-vexpress/.tmp_dcscb.o arch/arm/mach-vexpress/dcscb.c The related error: /tmp/ccOMIprI.s: Assembler messages: /tmp/ccOMIprI.s:507: Error: selected processor does not support ARM mode `isb ' /tmp/ccOMIprI.s:513: Error: selected processor does not support ARM mode `isb ' /tmp/ccOMIprI.s:514: Error: selected processor does not support ARM mode `dsb ' /tmp/ccOMIprI.s:584: Error: selected processor does not support ARM mode `isb ' /tmp/ccOMIprI.s:590: Error: selected processor does not support ARM mode `isb ' /tmp/ccOMIprI.s:591: Error: selected processor does not support ARM mode `dsb ' make[1]: *** [arch/arm/mach-vexpress/dcscb.o] Error 1 make: *** [arch/arm/mach-vexpress] Error 2 Signed-off-by: Chen Gang --- arch/arm/mach-vexpress/Makefile | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile index 36ea824..f224577 100644 --- a/arch/arm/mach-vexpress/Makefile +++ b/arch/arm/mach-vexpress/Makefile @@ -10,3 +10,6 @@ obj-$(CONFIG_ARCH_VEXPRESS_DCSCB) += dcscb.o dcscb_setup.o obj-$(CONFIG_ARCH_VEXPRESS_TC2_PM) += tc2_pm.o spc.o obj-$(CONFIG_SMP) += platsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o + +CFLAGS_dcscb.o +=-march=armv7-a +CFLAGS_tc2_pm.o +=-march=armv7-a -- 1.7.7.6