buildroot: add fragment for armeb-xscale

Config.in.legacy

@@ -2529,13 +2529,6 @@ config BR2_KERNEL_HEADERS_4_8
 	  Version 4.8.x of the Linux kernel headers are no longer
 	  maintained upstream and are now removed.
 
-config BR2_KERNEL_HEADERS_3_18
-	bool "kernel headers version 3.18.x are no longer supported"
-	select BR2_LEGACY
-	help
-	  Version 3.18.x of the Linux kernel headers are no longer
-	  maintained upstream and are now removed.
-
 config BR2_GLIBC_VERSION_2_22
 	bool "glibc 2.22 removed"
 	select BR2_LEGACY

configs/frags/arc.config

@@ -0,0 +1,8 @@
+BR2_arcle=y
+BR2_archs38=y
+
+# Buildroot glibc toolchain
+BR2_TOOLCHAIN_BUILDROOT=y
+BR2_TOOLCHAIN_USES_GLIBC=y
+BR2_TOOLCHAIN_BUILDROOT_VENDOR="buildroot"
+BR2_TOOLCHAIN_BUILDROOT_GLIBC=y

configs/frags/arm.config

@@ -0,0 +1,19 @@
+# EABI, soft-float
+BR2_arm920t=y
+BR2_ARM_EABI=y
+BR2_ARM_SOFT_FLOAT=y
+#BR2_ARM_EABIHF=y
+#BR2_ARM_FPU_VFPV2=y
+
+# Buildroot glibc toolchain
+BR2_TOOLCHAIN_BUILDROOT=y
+BR2_TOOLCHAIN_USES_GLIBC=y
+BR2_TOOLCHAIN_BUILDROOT_VENDOR="buildroot"
+BR2_TOOLCHAIN_BUILDROOT_GLIBC=y
+
+# EABI, hard float, Linaro toolchain (requires >= Cortex-A)
+#BR2_cortex_a5=y
+#BR2_ARM_EABIHF=y
+#BR2_ARM_FPU_VFPV3=y
+#BR2_TOOLCHAIN_EXTERNAL=y
+#BR2_TOOLCHAIN_EXTERNAL_LINARO_ARM=y

configs/frags/arm64.config

@@ -0,0 +1 @@
+BR2_aarch64=y

configs/frags/arm64be.config

@@ -0,0 +1 @@
+BR2_aarch64_be=y

configs/frags/armeb-xscale.config

@@ -0,0 +1,3 @@
+BR2_armeb=y
+BR2_GCC_TARGET_CPU="xscale"
+BR2_xscale=y

configs/frags/armeb.config

@@ -0,0 +1,10 @@
+BR2_armeb=y
+
+# NOTE: big-endian is different between ARMv4/v5 and ARMv7
+#       this only works for ARMv7
+BR2_cortex_a5=y
+BR2_ARM_ENABLE_VFP=y
+BR2_ARM_EABIHF=y
+BR2_ARM_FPU_VFPV2=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_LINARO_ARMEB=y

configs/frags/armel.config

@@ -0,0 +1 @@
+BR2_arm=y

configs/frags/base.config

@@ -0,0 +1,43 @@
+# auto-select j-level based on host CPUs
+BR2_JLEVEL=0
+
+# enable overlay support (used for custom init scripts)
+BR2_ROOTFS_OVERLAY="overlay"
+
+# need cpio for initramfs
+BR2_TARGET_ROOTFS_CPIO=y
+BR2_TARGET_ROOTFS_CPIO_GZIP=y
+# compress the tar image
+BR2_TARGET_ROOTFS_TAR_XZ=y
+# selinux enabled kernels can't use CPIO (no extended attributes, nead "real" filesystem)
+BR2_TARGET_ROOTFS_EXT2=y
+# ...compressed
+BR2_TARGET_ROOTFS_EXT2_XZ=y
+
+# don't run a getty; etc/inittab configured for auto-root login
+BR2_TARGET_GENERIC_GETTY=n
+
+# ssh needed for ARM workload-automation
+BR2_PACKAGE_DROPBEAR=y
+
+# Testing utils
+BR2_PACKAGE_STRESS=y
+BR2_PACKAGE_TRACE_CMD=y
+
+# add eudev for automatic module loading support
+BR2_INIT_BUSYBOX=y
+BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
+
+# misc. tools
+BR2_PACKAGE_PCIUTILS=y
+
+# ensure older kernel support (v3.2 is oldest as of 2016.05)
+# NOTE: arm64 only exists as of v3.10
+BR2_KERNEL_HEADERS_3_18=y
+
+# purge locales to reduce rootfs size
+BR2_ENABLE_LOCALE_PURGE=y
+BR2_ENABLE_LOCALE_WHITELIST="C en_US"
+
+# fs utils
+BR2_PACKAGE_E2FSPROGS=y

configs/frags/baseline.config

@@ -0,0 +1,4 @@
+BR2_PACKAGE_BOOTRR=y
+BR2_PACKAGE_UTIL_LINUX_DMESG=y
+BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="package/busybox/busybox-no-dmesg.config"
+BR2_ROOTFS_OVERLAY="overlay kernelci/baseline/rootfs_overlay/"

configs/frags/build

@@ -0,0 +1,43 @@
+#!/bin/bash
+D=$(dirname $0)
+
+rm .config
+make defconfig
+
+FRAGMENTS=()
+if [[ $1 =~ ^arm.* ]]; then
+  FRAGMENTS+=("arm")
+fi
+
+FRAGMENTS+=("base")
+FRAGMENTS+=("$*") # ensure passed-in frags override base
+
+echo ${FRAGMENTS[@]}
+for frag in ${FRAGMENTS[@]}; do
+  if [ -e $D/$frag.config ]; then
+    echo "INFO: Including fragment: $frag"
+    cat $D/$frag.config >> .config
+  else
+    echo "WARNING: $D/$frag.config doesn't exist.  Giving up."
+    exit 1
+  fi
+done
+
+# reconfigure with new fragments appended
+make olddefconfig
+
+make
+
+RESULT=$?
+if [ $RESULT != 0 ]; then
+    exit $RESULT
+fi
+
+# remove uncompressed versions of rootfs 
+(cd output/images; rm -f rootfs.cpio rootfs.tar rootfs.ext2)
+
+if [ $? = 0 ]; then
+    echo "Packaging up output/host directory"
+    tar -C output/host -Jcf output/images/host.tar.xz .
+    (cd output/images; md5sum host.tar.xz > host.tar.xz.md5)
+fi

configs/frags/debug.config

@@ -0,0 +1 @@
+#BR2_PACKAGE_FILE=y

configs/frags/flash.config

@@ -0,0 +1,5 @@
+BR2_PACKAGE_MTD=y
+BR2_PACKAGE_MTD_MKFSUBIFS=y
+
+# create UBI rootfs
+BR2_TARGET_ROOTFS_UBIFS=y

configs/frags/mipsel.config

@@ -0,0 +1 @@
+BR2_mipsel=y

configs/frags/riscv.config

@@ -0,0 +1,5 @@
+BR2_riscv=y
+BR2_riscv_g=y
+
+# RISC-V needs recent kernel headers
+BR2_KERNEL_HEADERS_4_19=y

configs/frags/tests.config

@@ -0,0 +1,12 @@
+# ext2 might grow bigger than default (60M)
+BR2_TARGET_ROOTFS_EXT2_SIZE="200M"
+
+# Testing utils
+BR2_PACKAGE_LTP_TESTSUITE=y
+BR2_PACKAGE_LMBENCH=y
+
+# Testing utils rt-tests to enable cyclictest and hackbench
+BR2_PACKAGE_RT_TESTS=y
+
+# needed for in-kernel kselftests (compile-time and runtime)
+BR2_PACKAGE_POPT=y

configs/frags/x86.config

@@ -0,0 +1,2 @@
+BR2_TOOLCHAIN_BUILDROOT=y
+BR2_TOOLCHAIN_BUILDROOT_GLIBC=y

kernelci/baseline/rootfs_overlay/opt/kernelci/dmesg.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+
+set -e
+
+if [ "$KERNELCI_LAVA" = "y" ]; then
+    alias test-result='lava-test-case'
+else
+    alias test-result='echo'
+fi
+
+for level in crit alert emerg; do
+    dmesg --level=$level --notime -x -k > dmesg.$level
+    test -s dmesg.$level && res=fail || res=pass
+    count=$(cat dmesg.$level | wc -l)
+    cat dmesg.$level
+    test-result \
+        $level \
+        --result $res \
+        --measurement $count \
+        --units lines
+done
+
+exit 0

linux/linux.hash

@@ -7,6 +7,7 @@ sha256  49474956a6149c16cbcba862d1f4db54835a32d336063c75094f669f1c34c65e  linux-
 sha256  e547748c548b0f55f665bc78cfec322e7b96f41527b5e4b5d79430fdaa57c3e8  linux-4.9.225.tar.xz
 sha256  671d1f1d5ad0ae74fb21ee70a5544400e7d6270098d3f8b134484ded2c3e5b90  linux-4.14.182.tar.xz
 sha256  9843f40efb37491770688810d153d0779daed8eb097773a0de5abf2cb0d1bd7e  linux-4.19.125.tar.xz
+sha256  3ec7f47365a8a050e629a5016e90e38a800e840c844901c979e9e796f8dc6711  linux-3.18.133.tar.xz
 # Locally computed
 sha256  ea53913813cb5a9069608532b327de7a7ed0fdc8fed8c6f10cd55d1ac6a58ffb  linux-cip-4.19.118-cip25.tar.gz
 sha256  7f0a0db0e1cfb14053523f4432f1ad1468b5bd42305b44905c4b103466c8d655  linux-cip-4.19.115-cip24-rt9.tar.gz

overlay/etc/default/dropbear

@@ -0,0 +1 @@
+DROPBEAR_ARGS=-B

overlay/etc/init.d/S50debugfs

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+case $1 in
+	start|"")
+		mount -t debugfs none /sys/kernel/debug
+		ln -s /sys/kernel/debug /debug
+		;;
+esac

overlay/etc/init.d/S50pnp_networking

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+case $1 in
+	start|"")
+		if [ -e /proc/net/pnp ]; then
+			cat /proc/net/pnp >> /etc/resolv.conf
+		fi
+		;;
+esac

package/Config.in

@@ -86,6 +86,7 @@ endmenu
 menu "Debugging, profiling and benchmark"
 	source "package/blktrace/Config.in"
 	source "package/bonnie/Config.in"
+	source "package/bootrr/Config.in"
 	source "package/cache-calibrator/Config.in"
 	source "package/clinfo/Config.in"
 	source "package/dacapo/Config.in"
@@ -2399,6 +2400,7 @@ menu "System tools"
 	source "package/tpm2-totp/Config.in"
 	source "package/unscd/Config.in"
 	source "package/util-linux/Config.in"
+	source "package/util-linux-dmesg/Config.in"
 	source "package/xdg-dbus-proxy/Config.in"
 	source "package/xen/Config.in"
 	source "package/xvisor/Config.in"

package/bootrr/Config.in

@@ -0,0 +1,4 @@
+config BR2_PACKAGE_BOOTRR
+	bool "bootrr"
+	help
+	  The bootrr test scripts.

package/bootrr/bootrr.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 e94dede73040fd08f418f51615aa8d4272c67b433c77a27226024715a97e7b22  bootrr-35d4023f4a53374b5985432ed1f57893665da024.tar.gz

package/bootrr/bootrr.mk

@@ -0,0 +1,16 @@
+################################################################################
+#
+# bootrr
+#
+################################################################################
+
+BOOTRR_SITE = https://github.com/kernelci/bootrr.git
+BOOTRR_VERSION = 35d4023f4a53374b5985432ed1f57893665da024
+BOOTRR_SITE_METHOD = git
+BOOTRR_LICENSE = LGPL-2.1+
+
+define BOOTRR_INSTALL_TARGET_CMDS
+	DESTDIR=$(TARGET_DIR)/opt/bootrr $(MAKE) -C $(@D) install
+endef
+
+$(eval $(generic-package))

package/busybox/busybox-no-dmesg.config

@@ -0,0 +1 @@
+# CONFIG_DMESG is not set

package/busybox/busybox.config

@@ -131,7 +131,7 @@ CONFIG_FEATURE_HWIB=y
 # CONFIG_FEATURE_SEAMLESS_XZ is not set
 # CONFIG_FEATURE_SEAMLESS_LZMA is not set
 # CONFIG_FEATURE_SEAMLESS_BZ2 is not set
-# CONFIG_FEATURE_SEAMLESS_GZ is not set
+CONFIG_FEATURE_SEAMLESS_GZ=y
 # CONFIG_FEATURE_SEAMLESS_Z is not set
 CONFIG_AR=y
 # CONFIG_FEATURE_AR_LONG_FILENAMES is not set
@@ -606,6 +606,11 @@ CONFIG_FREERAMDISK=y
 # CONFIG_FSCK_MINIX is not set
 CONFIG_FSFREEZE=y
 CONFIG_FSTRIM=y
+CONFIG_MKFS_EXT2=y
+# CONFIG_MKFS_MINIX is not set
+# CONFIG_FEATURE_MINIX2 is not set
+# CONFIG_MKFS_REISER is not set
+CONFIG_MKFS_VFAT=y
 CONFIG_GETOPT=y
 CONFIG_FEATURE_GETOPT_LONG=y
 CONFIG_HEXDUMP=y
@@ -659,7 +664,7 @@ CONFIG_RDATE=y
 CONFIG_READPROFILE=y
 CONFIG_RENICE=y
 # CONFIG_REV is not set
-# CONFIG_RTCWAKE is not set
+CONFIG_RTCWAKE=y
 # CONFIG_SCRIPT is not set
 # CONFIG_SCRIPTREPLAY is not set
 CONFIG_SETARCH=y
@@ -788,8 +793,8 @@ CONFIG_FEATURE_MAKEDEVS_TABLE=y
 # CONFIG_MAN is not set
 CONFIG_MICROCOM=y
 CONFIG_MT=y
-# CONFIG_NANDWRITE is not set
-# CONFIG_NANDDUMP is not set
+CONFIG_NANDWRITE=y
+CONFIG_NANDDUMP=y
 CONFIG_PARTPROBE=y
 # CONFIG_RAIDAUTORUN is not set
 # CONFIG_READAHEAD is not set
@@ -1008,7 +1013,7 @@ CONFIG_PIDOF=y
 CONFIG_FEATURE_PIDOF_SINGLE=y
 CONFIG_FEATURE_PIDOF_OMIT=y
 # CONFIG_PMAP is not set
-# CONFIG_POWERTOP is not set
+CONFIG_POWERTOP=y
 # CONFIG_FEATURE_POWERTOP_INTERACTIVE is not set
 CONFIG_PS=y
 # CONFIG_FEATURE_PS_WIDE is not set
@@ -1127,6 +1132,7 @@ CONFIG_ASH_CMDCMD=y
 #
 CONFIG_FEATURE_SH_MATH=y
 CONFIG_FEATURE_SH_MATH_64=y
+CONFIG_FEATURE_BASH_IS_ASH=y
 CONFIG_FEATURE_SH_EXTRA_QUIET=y
 # CONFIG_FEATURE_SH_STANDALONE is not set
 # CONFIG_FEATURE_SH_NOFORK is not set

package/busybox/inittab

@@ -27,6 +27,8 @@ null::sysinit:/bin/ln -sf /proc/self/fd/2 /dev/stderr
 # now run any rc scripts
 ::sysinit:/etc/init.d/rcS
 
+console::respawn:/bin/sh
+
 # Put a getty on the serial port
 #ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100 # GENERIC_SERIAL
 

package/linux-headers/Config.in.host

@@ -27,6 +27,10 @@ config BR2_KERNEL_HEADERS_AS_KERNEL
 	depends on BR2_LINUX_KERNEL
 	select BR2_KERNEL_HEADERS_LATEST if BR2_LINUX_KERNEL_LATEST_VERSION
 
+config BR2_KERNEL_HEADERS_3_18
+	bool "Linux 3.18.x kernel headers"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18
+
 config BR2_KERNEL_HEADERS_4_4
 	bool "Linux 4.4.x kernel headers"
 	depends on !BR2_riscv
@@ -334,6 +338,7 @@ endchoice
 
 config BR2_DEFAULT_KERNEL_HEADERS
 	string
+	default "3.18.133"	if BR2_KERNEL_HEADERS_3_18
 	default "4.4.225"	if BR2_KERNEL_HEADERS_4_4
 	default "4.9.225"	if BR2_KERNEL_HEADERS_4_9
 	default "4.14.182"	if BR2_KERNEL_HEADERS_4_14

package/util-linux-dmesg/Config.in

@@ -0,0 +1,5 @@
+config BR2_PACKAGE_UTIL_LINUX_DMESG
+	bool "util-linux-dmesg"
+	depends on !BR2_PACKAGE_UTIL_LINUX_BINARIES
+	help
+	  The dmesg utility from util-linux.

package/util-linux-dmesg/util-linux-dmesg.hash

@@ -0,0 +1,9 @@
+# From https://www.kernel.org/pub/linux/utils/util-linux/v2.33/sha256sums.asc
+sha256 f261b9d73c35bfeeea04d26941ac47ee1df937bd3b0583e748217c1ea423658a  util-linux-2.33.tar.xz
+# License files, locally calculated
+sha256 4335620e8f478ee4dc4d26540448d39469091ef1d8e3fbbbb8bf753206ceac74  README.licensing
+sha256 9b718a9460fed5952466421235bc79eb49d4e9eacc920d7a9dd6285ab8fd6c6d  Documentation/licenses/COPYING.BSD-3-Clause
+sha256 ba7640f00d93e72e92b94b9d71f25ec53bac2f1682f5c4adcccb0018359f60f8  Documentation/licenses/COPYING.BSD-4-Clause-UC
+sha256 8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  Documentation/licenses/COPYING.GPL-2.0-or-later
+sha256 e53348ce276358e9997014071c5294b36a18c4b34f32f00ee57b9acce0aafd63  Documentation/licenses/COPYING.ISC
+sha256 dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551  Documentation/licenses/COPYING.LGPL-2.1-or-later