[oe-commits] [openembedded-core] 01/02: linux-yocto: Fix systemtap issue on armv7
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Sun Mar 10 08:01:33 UTC 2019
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rpurdie pushed a commit to branch master-next
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commit cfea780713df2139419afb17b5888b3e4b45e06b
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Sun Mar 10 07:46:10 2019 +0000
linux-yocto: Fix systemtap issue on armv7
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
.../0001-arm-Makefile-Fix-systemtap-4.19.patch | 60 ++++++++++++++++++++++
.../0001-arm-Makefile-Fix-systemtap.patch | 60 ++++++++++++++++++++++
meta/recipes-kernel/linux/linux-yocto_4.19.bb | 3 +-
meta/recipes-kernel/linux/linux-yocto_5.0.bb | 3 +-
4 files changed, 124 insertions(+), 2 deletions(-)
diff --git a/meta/recipes-kernel/linux/linux-yocto/0001-arm-Makefile-Fix-systemtap-4.19.patch b/meta/recipes-kernel/linux/linux-yocto/0001-arm-Makefile-Fix-systemtap-4.19.patch
new file mode 100644
index 0000000..53bd53b
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-yocto/0001-arm-Makefile-Fix-systemtap-4.19.patch
@@ -0,0 +1,60 @@
+From c2995494e311c113177db50ff140cebd94fd4011 Mon Sep 17 00:00:00 2001
+From: Richard Purdie <richard.purdie at linuxfoundation.org>
+Date: Sun, 10 Mar 2019 06:43:15 +0000
+Subject: [PATCH] arm/Makefile: Fix systemtap
+
+Currently systemtap fails to operate correctly on armv7 systems such as beaglebone and
+soon, qemuarm.
+
+
+root at qemuarm:/usr/src/kernel# env -uARCH -uKBUILD_EXTMOD -uCROSS_COMPILE -uKBUILD_IMAGE -uKCONFIG_CONFIG -uINSTALL_PATH -uLD_LIBRARY_PATH PATH=/usr/bin:/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin make -C /lib/modules/4.19.19-yocto-standard/build M=/tmp/staptcNU6M modules CONFIG_DEBUG_INFO= CONFIG_STACK_VALIDATION= ARCH=arm stap_4321_src.i --no-print-directory -j2 V=1
+test -e include/generated/autoconf.h -a -e include/config/auto.conf || ( \
+echo >&2; \
+echo >&2 " ERROR: Kernel configuration is invalid."; \
+echo >&2 " include/generated/autoconf.h or include/config/auto.conf are missing.";\
+echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \
+echo >&2 ; \
+/bin/false)
+mkdir -p /tmp/staptcNU6M/.tmp_versions ; rm -f /tmp/staptcNU6M/.tmp_versions/*
+make -f ./scripts/Makefile.build obj=/tmp/staptcNU6M
+(cat /dev/null; echo kernel//tmp/staptcNU6M/stap_4321.ko;) > /tmp/staptcNU6M/modules.order
+ gcc -Wp,-MD,/tmp/staptcNU6M/.stap_4321_src.o.d -nostdinc -isystem /usr/lib/gcc/arm-poky-linux-gnueabi/8.3.0/include -I./arch/arm/include -I./arch/arm/include/generated -I./include -I./arch/arm/include/uapi -I./arch/arm/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ -mlittle-endian -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar [...]
+/tmp/ccaE9CMG.s: Assembler messages:
+/tmp/ccaE9CMG.s:49: Error: selected processor does not support `dmb ish' in ARM mode
+/tmp/ccaE9CMG.s:52: Error: architectural extension `mp' is not allowed for the current b
+
+(which was from running the stap command with -v -v -v -k and then being able to run the command individually)
+
+Note that it says armv5t above.
+
+That comes from the code this patch changes
+
+root at qemuarm:/usr/src/kernel# gcc -march=armv7-a /tmp/staptcNU6M/stap_4321_aux_0.c
+cc1: error: -mfloat-abi=hard: selected processor lacks an FPU
+
+which makes me wonder if cc-option fails unless -mfpu-vfp is on the commandline too.
+
+Since we have a gcc which accepts the armv7-a arch, just remove the cc-option
+wrapper unconditionally here.
+
+Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
+---
+ arch/arm/Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/arch/arm/Makefile b/arch/arm/Makefile
+index ecb99f7ac613..8513ba79ea04 100644
+--- a/arch/arm/Makefile
++++ b/arch/arm/Makefile
+@@ -64,7 +64,7 @@ KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
+ # macro, but instead defines a whole series of macros which makes
+ # testing for a specific architecture or later rather impossible.
+ arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
+-arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
++arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 -march=armv7-a -Wa$(comma)-march=armv7-a
+ arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
+ # Only override the compiler option if ARMv6. The ARMv6K extensions are
+ # always available in ARMv7
+--
+2.20.1
+
diff --git a/meta/recipes-kernel/linux/linux-yocto/0001-arm-Makefile-Fix-systemtap.patch b/meta/recipes-kernel/linux/linux-yocto/0001-arm-Makefile-Fix-systemtap.patch
new file mode 100644
index 0000000..53bd53b
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-yocto/0001-arm-Makefile-Fix-systemtap.patch
@@ -0,0 +1,60 @@
+From c2995494e311c113177db50ff140cebd94fd4011 Mon Sep 17 00:00:00 2001
+From: Richard Purdie <richard.purdie at linuxfoundation.org>
+Date: Sun, 10 Mar 2019 06:43:15 +0000
+Subject: [PATCH] arm/Makefile: Fix systemtap
+
+Currently systemtap fails to operate correctly on armv7 systems such as beaglebone and
+soon, qemuarm.
+
+
+root at qemuarm:/usr/src/kernel# env -uARCH -uKBUILD_EXTMOD -uCROSS_COMPILE -uKBUILD_IMAGE -uKCONFIG_CONFIG -uINSTALL_PATH -uLD_LIBRARY_PATH PATH=/usr/bin:/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin make -C /lib/modules/4.19.19-yocto-standard/build M=/tmp/staptcNU6M modules CONFIG_DEBUG_INFO= CONFIG_STACK_VALIDATION= ARCH=arm stap_4321_src.i --no-print-directory -j2 V=1
+test -e include/generated/autoconf.h -a -e include/config/auto.conf || ( \
+echo >&2; \
+echo >&2 " ERROR: Kernel configuration is invalid."; \
+echo >&2 " include/generated/autoconf.h or include/config/auto.conf are missing.";\
+echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \
+echo >&2 ; \
+/bin/false)
+mkdir -p /tmp/staptcNU6M/.tmp_versions ; rm -f /tmp/staptcNU6M/.tmp_versions/*
+make -f ./scripts/Makefile.build obj=/tmp/staptcNU6M
+(cat /dev/null; echo kernel//tmp/staptcNU6M/stap_4321.ko;) > /tmp/staptcNU6M/modules.order
+ gcc -Wp,-MD,/tmp/staptcNU6M/.stap_4321_src.o.d -nostdinc -isystem /usr/lib/gcc/arm-poky-linux-gnueabi/8.3.0/include -I./arch/arm/include -I./arch/arm/include/generated -I./include -I./arch/arm/include/uapi -I./arch/arm/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ -mlittle-endian -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar [...]
+/tmp/ccaE9CMG.s: Assembler messages:
+/tmp/ccaE9CMG.s:49: Error: selected processor does not support `dmb ish' in ARM mode
+/tmp/ccaE9CMG.s:52: Error: architectural extension `mp' is not allowed for the current b
+
+(which was from running the stap command with -v -v -v -k and then being able to run the command individually)
+
+Note that it says armv5t above.
+
+That comes from the code this patch changes
+
+root at qemuarm:/usr/src/kernel# gcc -march=armv7-a /tmp/staptcNU6M/stap_4321_aux_0.c
+cc1: error: -mfloat-abi=hard: selected processor lacks an FPU
+
+which makes me wonder if cc-option fails unless -mfpu-vfp is on the commandline too.
+
+Since we have a gcc which accepts the armv7-a arch, just remove the cc-option
+wrapper unconditionally here.
+
+Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
+---
+ arch/arm/Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/arch/arm/Makefile b/arch/arm/Makefile
+index ecb99f7ac613..8513ba79ea04 100644
+--- a/arch/arm/Makefile
++++ b/arch/arm/Makefile
+@@ -64,7 +64,7 @@ KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
+ # macro, but instead defines a whole series of macros which makes
+ # testing for a specific architecture or later rather impossible.
+ arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
+-arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
++arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 -march=armv7-a -Wa$(comma)-march=armv7-a
+ arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
+ # Only override the compiler option if ARMv6. The ARMv6K extensions are
+ # always available in ARMv7
+--
+2.20.1
+
diff --git a/meta/recipes-kernel/linux/linux-yocto_4.19.bb b/meta/recipes-kernel/linux/linux-yocto_4.19.bb
index 3ef26a1..aca9f15 100644
--- a/meta/recipes-kernel/linux/linux-yocto_4.19.bb
+++ b/meta/recipes-kernel/linux/linux-yocto_4.19.bb
@@ -22,7 +22,8 @@ SRCREV_machine ?= "11e0e616ed095bb8012e1b4a231254c9656a0193"
SRCREV_meta ?= "41fe45f7c5e69f6ec26c657fea16c459544042cf"
SRC_URI = "git://git.yoctoproject.org/linux-yocto.git;name=machine;branch=${KBRANCH}; \
- git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=yocto-4.19;destsuffix=${KMETA}"
+ git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=yocto-4.19;destsuffix=${KMETA} \
+ file://0001-arm-Makefile-Fix-systemtap-4.19.patch"
LIC_FILES_CHKSUM = "file://COPYING;md5=bbea815ee2795b2f4230826c0c6b8814"
LINUX_VERSION ?= "4.19.19"
diff --git a/meta/recipes-kernel/linux/linux-yocto_5.0.bb b/meta/recipes-kernel/linux/linux-yocto_5.0.bb
index ae6e80c..198fed4 100644
--- a/meta/recipes-kernel/linux/linux-yocto_5.0.bb
+++ b/meta/recipes-kernel/linux/linux-yocto_5.0.bb
@@ -25,7 +25,8 @@ SRCREV_meta ?= "4faa4419884d2bbe65f637befd71a1e95629eaae"
# KMACHINE_qemuarm ?= "qemuarma15"
SRC_URI = "git://git.yoctoproject.org/linux-yocto.git;name=machine;branch=${KBRANCH}; \
- git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=yocto-5.0;destsuffix=${KMETA}"
+ git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=yocto-5.0;destsuffix=${KMETA} \
+ file://0001-arm-Makefile-Fix-systemtap.patch"
LIC_FILES_CHKSUM = "file://COPYING;md5=bbea815ee2795b2f4230826c0c6b8814"
LINUX_VERSION ?= "5.0"
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