through kernel compilation -- possibly ready to image with initrd for iso prep

2023-03-19 21:46:24 -04:00 · 2023-03-19 21:46:24 -04:00 · 0b5d868da1
parent 1f5d82d752
commit 0b5d868da1
20 changed files with 11352 additions and 21 deletions
--- a/7
+++ b/7
@ -89,6 +89,10 @@ build_stage4:
 	set -e
 	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/build_stage4.sh"

+build_stage5:
+	set -e
+	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/build_stage5.sh"
+
 master:
 	set -e
 	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/master.sh"
@ -118,7 +122,8 @@ all:
 	make build_stage2 && \
 	make build_stage3 && \
 	make backup && \
-	make build_stage4
+	make build_stage4 && \
+	make build_stage5


 # Remember, before you make clean or make purge_artifacts you MUST run
--- a/configs/etc_inputrc
+++ b/configs/etc_inputrc
@ -0,0 +1,43 @@
+# do not bell on tab-completion
+#set bell-style none
+
+set meta-flag on
+set input-meta on
+set convert-meta off
+set output-meta on
+
+# Completed names which are symbolic links to
+# directories have a slash appended.
+set mark-symlinked-directories on
+
+$if mode=emacs
+
+# for linux console and RH/Debian xterm
+"\e[1~": beginning-of-line
+"\e[4~": end-of-line
+# commented out keymappings for pgup/pgdown to reach begin/end of history
+#"\e[5~": beginning-of-history
+#"\e[6~": end-of-history
+"\e[5~": history-search-backward
+"\e[6~": history-search-forward
+"\e[3~": delete-char
+"\e[2~": overwrite-mode
+"\e[5C": forward-word
+"\e[5D": backward-word
+"\e[1;5C": forward-word
+"\e[1;5D": backward-word
+
+# for rxvt
+"\e[8~": end-of-line
+"\eOc": forward-word
+"\eOd": backward-word
+
+# for non RH/Debian xterm, can't hurt for RH/DEbian xterm
+"\eOH": beginning-of-line
+"\eOF": end-of-line
+
+# for freebsd console
+"\e[H": beginning-of-line
+"\e[F": end-of-line
+$endif
+
--- a/configs/etc_locale.conf
+++ b/configs/etc_locale.conf
@ -0,0 +1,2 @@
+LANG="en_US.UTF-8"
+
--- a/configs/etc_modprobe.d_usb.conf
+++ b/configs/etc_modprobe.d_usb.conf
@ -0,0 +1,6 @@
+# Begin /etc/modprobe.d/usb.conf
+
+install ohci_hcd /sbin/modprobe ehci_hcd ; /sbin/modprobe -i ohci_hcd ; true
+install uhci_hcd /sbin/modprobe ehci_hcd ; /sbin/modprobe -i uhci_hcd ; true
+
+# End /etc/modprobe.d/usb.conf
--- a/configs/etc_shells
+++ b/configs/etc_shells
@ -0,0 +1,2 @@
+/bin/sh
+/bin/bash
--- a/configs/etc_systemd_logind.conf
+++ b/configs/etc_systemd_logind.conf
@ -0,0 +1,54 @@
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it under the
+#  terms of the GNU Lesser General Public License as published by the Free
+#  Software Foundation; either version 2.1 of the License, or (at your option)
+#  any later version.
+#
+# Entries in this file show the compile time defaults. Local configuration
+# should be created by either modifying this file, or by creating "drop-ins" in
+# the logind.conf.d/ subdirectory. The latter is generally recommended.
+# Defaults can be restored by simply deleting this file and all drop-ins.
+#
+# Use 'systemd-analyze cat-config systemd/logind.conf' to display the full config.
+#
+# See logind.conf(5) for details.
+
+[Login]
+#NAutoVTs=6
+#ReserveVT=6
+
+# is it system init?
+# is it service state management?
+KillUserProcesses=no
+
+#KillOnlyUsers=
+#KillExcludeUsers=root
+#InhibitDelayMaxSec=5
+#UserStopDelaySec=10
+#HandlePowerKey=poweroff
+#HandlePowerKeyLongPress=ignore
+#HandleRebootKey=reboot
+#HandleRebootKeyLongPress=poweroff
+#HandleSuspendKey=suspend
+#HandleSuspendKeyLongPress=hibernate
+#HandleHibernateKey=hibernate
+#HandleHibernateKeyLongPress=ignore
+#HandleLidSwitch=suspend
+#HandleLidSwitchExternalPower=suspend
+#HandleLidSwitchDocked=ignore
+#PowerKeyIgnoreInhibited=no
+#SuspendKeyIgnoreInhibited=no
+#HibernateKeyIgnoreInhibited=no
+#LidSwitchIgnoreInhibited=yes
+#RebootKeyIgnoreInhibited=no
+#HoldoffTimeoutSec=30s
+#IdleAction=ignore
+#IdleActionSec=30min
+#RuntimeDirectorySize=10%
+#RuntimeDirectoryInodesMax=
+#RemoveIPC=yes
+#InhibitorsMax=8192
+#SessionsMax=8192
+#StopIdleSessionSec=infinity
+
--- a/configs/etc_systemd_system_getty@tty1.service.d_noclear.conf
+++ b/configs/etc_systemd_system_getty@tty1.service.d_noclear.conf
@ -0,0 +1,2 @@
+[Service]
+TTYVTDisallocate=no
--- a/configs/etc_vconsole.conf
+++ b/configs/etc_vconsole.conf
@ -0,0 +1,3 @@
+KEYMAP="us"
+FONT="eurlatgr"
+
--- a/configs/kernel_config
+++ b/configs/kernel_config
--- a/make.project/build_stage5.sh
+++ b/make.project/build_stage5.sh
@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+# fix an issue with open files limit on some hosts
+ulimit -l unlimited
+
+#ulimit -n 10240 
+ulimit -c unlimited
+
+T_SYSROOT=${dir_sysroot}
+
+project_root=/rex_embedded
+
+echo "Bootstrapping from MAKE to REX..."
+dir_rex=/rex_embedded/rex.project
+
+# Executes rex from within the chroot.
+/usr/sbin/chroot "${T_SYSROOT}" /usr/bin/env -i \
+	HOME="/" \
+	TERM="$TERM" \
+	COLORTERM=$COLORTERM \
+	PS1='\n(Dark Horse Linux) [ \u @ \H ] << \w >>\n\n[- ' \
+	PATH=/usr/bin:/usr/sbin \
+	project_root="${project_root}" \
+	dir_rex="${dir_rex}" \
+	dir_logs="/${project_root}/logs" \
+	/rex_embedded/stage/rex/rex -v -c ${dir_rex}/x86_64/rex.config -p ${dir_rex}/x86_64/plans/stage5.plan
+	
+
+retVal=$?
+echo "Rex exited with error code '$retVal'."
+exit $retVal
--- a/rex.project/x86_64/components/stage5/cpio.bash
+++ b/rex.project/x86_64/components/stage5/cpio.bash
@ -0,0 +1,234 @@
+#!/bin/bash
+# desc:
+# stages, builds, installs
+
+# make variables persist in subprocesses for logging function
+set -a
+
+# ----------------------------------------------------------------------
+# Configuration:
+# ----------------------------------------------------------------------
+# the name of this application
+APPNAME="cpio"
+
+# the version of this application
+VERSION="2.13"
+
+# ----------------------------------------------------------------------
+# Variables and functions sourced from Environment:
+# ----------------------------------------------------------------------
+# assert_zero()
+# Checks if $1 is 0.  If non-0 value, halts the execution of the script.
+#
+# LOGS_ROOT
+# The parent directory where logs from this project will go.
+#
+# TEMP_STAGE_DIR
+# The parent directory of where source archives are extracted to.
+
+# register mode selections
+ARGUMENT_LIST=(
+    "stage"
+    "build"
+    "install"
+    "all"
+    "help"
+)
+
+# modes to associate with switches
+# assumes you want nothing done unless you ask for it.
+MODE_STAGE=false
+MODE_BUILD=false
+MODE_INSTALL=false
+MODE_ALL=false
+MODE_HELP=false
+
+# the file to log to
+LOGFILE="${APPNAME}.log"
+
+# ISO 8601 variation
+TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
+
+# the path where logs are written to
+# note: LOGS_ROOT is sourced from environment
+LOG_DIR="${LOGS_ROOT}/${APPNAME}-${TIMESTAMP}"
+
+# the path where the source will be located when complete
+# note: TEMP_STAGE_DIR is sourced from environment
+T_SOURCE_DIR="${TEMP_STAGE_DIR}/${APPNAME}"
+
+# read defined arguments
+opts=$(getopt \
+    --longoptions "$(printf "%s," "${ARGUMENT_LIST[@]}")" \
+    --name "$APPNAME" \
+    --options "" \
+    -- "$@"
+)
+
+# process supplied arguments into flags that enable execution modes
+eval set --$opts
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --stage)
+            MODE_STAGE=true
+            shift 1
+            ;;
+        --build)
+            MODE_BUILD=true
+            shift 1
+            ;;
+        --install)
+            MODE_INSTALL=true
+            shift 1
+            ;;
+        --all)
+            MODE_ALL=true
+            shift 1
+            ;;
+        --help)
+            MODE_HELP=true
+            shift 1
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+# print to stdout, print to log
+logprint() {
+	mkdir -p "${LOG_DIR}"
+	echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
+	| tee -a "${LOG_DIR}/${LOGFILE}"
+}
+
+# Tell the user we're alive...
+logprint "Initializing the ${APPNAME} utility..."
+
+# when the stage mode is enabled, this will execute
+mode_stage() {
+	logprint "Starting stage of ${APPNAME}..."
+
+	logprint "Removing any pre-existing staging for ${APPNAME}."
+	rm -Rf "${T_SOURCE_DIR}"*
+
+	logprint "Extracting ${APPNAME}-${VERSION} source archive to ${TEMP_STAGE_DIR}"
+	tar xf "${SOURCES_DIR}/${APPNAME}-${VERSION}.tar."* -C "${TEMP_STAGE_DIR}"
+	assert_zero $?
+
+	# conditionally rename if it needs it
+	stat "${T_SOURCE_DIR}-"* && mv "${T_SOURCE_DIR}-"* "${T_SOURCE_DIR}"
+
+	logprint "Staging operation complete."
+}
+
+# when the build_pass1 mode is enabled, this will execute
+mode_build() {
+	
+	# patch, configure and build
+	logprint "Starting build of ${APPNAME}..."
+	
+	logprint "Entering build dir."	
+	pushd "${T_SOURCE_DIR}"
+	assert_zero $?
+		
+	logprint "Preconfiguration patching"
+	# TODO make this a patch
+	sed -i '/The name/,+2 d' src/global.c
+	assert_zero $?
+
+	logprint "Configuring ${APPNAME}..."
+	./configure \
+		--prefix=/usr \
+		--enable-mt \
+		--with-rmt=/usr/libexec/rmt
+	assert_zero $?
+	
+	logprint "Compiling..."
+	make
+	assert_zero $?
+
+	makeinfo --html -o doc/html doc/cpio.texi
+	assert_zero $?
+	
+	makeinfo --html --no-split -o doc/cpio.html doc/cpio.texi
+	assert_zero $?
+	
+	makeinfo --plaintext -o doc/cpio.txt doc/cpio.texi
+	assert_zero $?
+
+	logprint "Checking"
+	make check
+	logprint "Checks exited with '$?'. "
+
+	logprint "Build operation complete."
+}
+
+mode_install() {
+	logprint "Starting install of ${APPNAME}..."
+	pushd "${T_SOURCE_DIR}"
+	assert_zero $?
+	
+	logprint "Installing..."
+	make install
+	assert_zero $?
+	
+	install -v -m755 -d /usr/share/doc/${APPNAME}-${VERSION}/html
+	assert_zero $?
+	
+	install -v -m644 doc/html/* /usr/share/doc/${APPNAME}-${VERSION}/html
+	assert_zero $?
+	
+	install -v -m644 doc/cpio.{html,txt} /usr/share/doc/${APPNAME}-${VERSION}
+		
+	logprint "Install operation complete."
+}
+
+
+mode_help() {
+	echo "${APPNAME} [ --stage ] [ --build_temp ] [ --install_temp ] [ --all_temp ] [ --help ]"
+	exit 1
+}
+
+if [ "$MODE_ALL" = "true" ]; then
+	MODE_STAGE=true
+	MODE_BUILD=true
+	MODE_INSTALL=true
+fi
+
+# if no options were selected, then show help and exit
+if \
+	[ "$MODE_HELP" != "true" ] && \
+	[ "$MODE_STAGE" != "true" ] && \
+	[ "$MODE_BUILD" != "true" ] && \
+	[ "$MODE_INSTALL" != "true" ]
+then
+	logprint "No option selected during execution."
+	mode_help
+fi
+
+# if help was supplied at all, show help and exit
+if [ "$MODE_HELP" = "true" ]; then
+	logprint "Help option selected.  Printing options and exiting."
+	mode_help
+fi
+
+if [ "$MODE_STAGE" = "true" ]; then
+	logprint "Staging option selected."
+	mode_stage
+	assert_zero $?
+fi
+
+if [ "$MODE_BUILD" = "true" ]; then
+	logprint "Build of ${APPNAME} selected."
+	mode_build
+	assert_zero $?
+fi
+
+if [ "$MODE_INSTALL" = "true" ]; then
+	logprint "Install of ${APPNAME} selected."
+	mode_install
+	assert_zero $?
+fi
+
+logprint "Execution of ${APPNAME} completed."
--- a/rex.project/x86_64/components/stage5/linux.bash
+++ b/rex.project/x86_64/components/stage5/linux.bash
@ -0,0 +1,235 @@
+#!/bin/bash
+# desc:
+# stages, builds, installs
+
+# make variables persist in subprocesses for logging function
+set -a
+
+# ----------------------------------------------------------------------
+# Configuration:
+# ----------------------------------------------------------------------
+# the name of this application
+APPNAME="linux"
+
+# the version of this application
+VERSION="6.0.12"
+
+# ----------------------------------------------------------------------
+# Variables and functions sourced from Environment:
+# ----------------------------------------------------------------------
+# assert_zero()
+# Checks if $1 is 0.  If non-0 value, halts the execution of the script.
+#
+# LOGS_ROOT
+# The parent directory where logs from this project will go.
+#
+# TEMP_STAGE_DIR
+# The parent directory of where source archives are extracted to.
+
+# register mode selections
+ARGUMENT_LIST=(
+    "stage"
+    "build"
+    "install"
+    "all"
+    "help"
+)
+
+# modes to associate with switches
+# assumes you want nothing done unless you ask for it.
+MODE_STAGE=false
+MODE_BUILD=false
+MODE_INSTALL=false
+MODE_ALL=false
+MODE_HELP=false
+
+# the file to log to
+LOGFILE="${APPNAME}.log"
+
+# ISO 8601 variation
+TIMESTAMP="$(date +%Y-%m-%d_%H%M%S)"
+
+# the path where logs are written to
+# note: LOGS_ROOT is sourced from environment
+LOG_DIR="${LOGS_ROOT}/${APPNAME}-${TIMESTAMP}"
+
+# the path where the source will be located when complete
+# note: TEMP_STAGE_DIR is sourced from environment
+T_SOURCE_DIR="${TEMP_STAGE_DIR}/${APPNAME}"
+
+# read defined arguments
+opts=$(getopt \
+    --longoptions "$(printf "%s," "${ARGUMENT_LIST[@]}")" \
+    --name "$APPNAME" \
+    --options "" \
+    -- "$@"
+)
+
+# process supplied arguments into flags that enable execution modes
+eval set --$opts
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --stage)
+            MODE_STAGE=true
+            shift 1
+            ;;
+        --build)
+            MODE_BUILD=true
+            shift 1
+            ;;
+        --install)
+            MODE_INSTALL=true
+            shift 1
+            ;;
+        --all)
+            MODE_ALL=true
+            shift 1
+            ;;
+        --help)
+            MODE_HELP=true
+            shift 1
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+# print to stdout, print to log
+logprint() {
+	mkdir -p "${LOG_DIR}"
+	echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
+	| tee -a "${LOG_DIR}/${LOGFILE}"
+}
+
+# Tell the user we're alive...
+logprint "Initializing the ${APPNAME} utility..."
+
+# when the stage mode is enabled, this will execute
+mode_stage() {
+	logprint "Starting stage of ${APPNAME}..."
+
+	logprint "Removing any pre-existing staging for ${APPNAME}."
+	rm -Rf "${T_SOURCE_DIR}"*
+
+	logprint "Extracting ${APPNAME}-${VERSION} source archive to ${TEMP_STAGE_DIR}"
+	tar xf "${SOURCES_DIR}/${APPNAME}-${VERSION}.tar."* -C "${TEMP_STAGE_DIR}"
+	assert_zero $?
+
+	# conditionally rename if it needs it
+	stat "${T_SOURCE_DIR}-"* && mv "${T_SOURCE_DIR}-"* "${T_SOURCE_DIR}"
+
+	logprint "Staging operation complete."
+}
+
+# when the build_pass1 mode is enabled, this will execute
+mode_build() {
+	
+	# patch, configure and build
+	logprint "Starting build of ${APPNAME}..."
+	
+	logprint "Entering build dir."	
+	pushd "${T_SOURCE_DIR}"
+	assert_zero $?
+
+	logprint "running make mrproper..."
+	make mrproper
+	assert_zero $?
+		
+	logprint "Configuring kernel..."
+	cp -vf ${CONFIGS_DIR}/kernel_config ./.config
+	assert_zero $?
+	
+	logprint "Compiling kernel"
+	make
+	assert_zero $?
+	logprint "Checks exited with '$?'. "
+
+	logprint "Build operation complete."
+}
+
+mode_install() {
+	logprint "Starting install of ${APPNAME}..."
+	pushd "${T_SOURCE_DIR}"
+	assert_zero $?
+	
+	logprint "Installing modules..."
+	make modules_install
+	assert_zero $?
+	
+	logprint "Installing kernel"
+	# TODO parameterize this for cross-arch builds
+	cp -iv arch/x86_64/boot/bzImage /boot/vmlinuz-${VERSION}-dark_horse-pyrois-${TIMESTAMP}
+	assert_zero $?
+	
+	cp -ifv System.map /boot/System.map-${VERSION}
+	assert_zero $?
+	
+	cp -ivf .config /boot/config-${VERSION}
+	assert_zero $?
+	
+	logprint "Installing documentation..."
+	install -d /usr/share/doc/linux-${VERSION}
+	assert_zero $?
+	
+	cp -r Documentation/* /usr/share/doc/linux-${VERSION}
+	assert_zero $?
+	
+	logprint "Configuring USB module load order..."
+	mkdir -p /etc/modprobe.d
+	assert_zero $?
+	
+	cp -vf ${CONFIGS_DIR}/etc_modprobe.d_usb.conf /etc/modprobe.d/usb.conf
+	assert_zero $?
+	
+	logprint "Install operation complete."
+}
+
+
+mode_help() {
+	echo "${APPNAME} [ --stage ] [ --build_temp ] [ --install_temp ] [ --all_temp ] [ --help ]"
+	exit 1
+}
+
+if [ "$MODE_ALL" = "true" ]; then
+	MODE_STAGE=true
+	MODE_BUILD=true
+	MODE_INSTALL=true
+fi
+
+# if no options were selected, then show help and exit
+if \
+	[ "$MODE_HELP" != "true" ] && \
+	[ "$MODE_STAGE" != "true" ] && \
+	[ "$MODE_BUILD" != "true" ] && \
+	[ "$MODE_INSTALL" != "true" ]
+then
+	logprint "No option selected during execution."
+	mode_help
+fi
+
+# if help was supplied at all, show help and exit
+if [ "$MODE_HELP" = "true" ]; then
+	logprint "Help option selected.  Printing options and exiting."
+	mode_help
+fi
+
+if [ "$MODE_STAGE" = "true" ]; then
+	logprint "Staging option selected."
+	mode_stage
+	assert_zero $?
+fi
+
+if [ "$MODE_BUILD" = "true" ]; then
+	logprint "Build of ${APPNAME} selected."
+	mode_build
+	assert_zero $?
+fi
+
+if [ "$MODE_INSTALL" = "true" ]; then
+	logprint "Install of ${APPNAME} selected."
+	mode_install
+	assert_zero $?
+fi
+
+logprint "Execution of ${APPNAME} completed."
--- a/rex.project/x86_64/components/stage5/systemd-tuning.bash
+++ b/rex.project/x86_64/components/stage5/systemd-tuning.bash
@ -0,0 +1,97 @@
+#!/bin/bash
+# desc:
+# stages, builds, installs
+
+# make variables persist in subprocesses for logging function
+set -a
+
+APPNAME="systemd-tuning"
+
+
+# the file to log to
+LOGFILE="${APPNAME}.log"
+
+# ISO 8601 variation
+TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
+
+# the path where logs are written to
+# note: LOGS_ROOT is sourced from environment
+LOG_DIR="${LOGS_ROOT}/${APPNAME}-${TIMESTAMP}"
+
+
+# print to stdout, print to log
+logprint() {
+	mkdir -p "${LOG_DIR}"
+	echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
+	| tee -a "${LOG_DIR}/${LOGFILE}"
+}
+
+# Tell the user we're alive...
+logprint "Initializing the ${APPNAME} utility..."
+
+# is it a system service?
+# is it part of the system init?
+# then it's out of scope for the init system
+logprint "Disabling systemd-networkd-wait-online"
+systemctl disable systemd-networkd-wait-online
+assert_zero $?
+
+logprint "Disabling systemd-resolved"
+systemctl disable systemd-resolved
+assert_zero $?
+
+logprint "Setting classic names for ethernet devices..."
+ln -s /dev/null /etc/systemd/network/99-default.link
+assert_zero $?
+
+# Add these to a "first-boot" script?
+# --------------------------------------------
+# TODO bring in networkmanager for dhcp config
+# TODO same for DNS configuration
+# TODO same for resolv.conf configuration
+# TODO same for setting hostname (echo $hostname > /etc/hostname)
+# TODO same for domain name to create fqdn in hosts file
+# TODO same for time zone
+# TODO same for locale 
+# TODO same for fstab -- on target system only.
+
+
+
+logprint "Disabling timesyncd"
+systemctl disable systemd-timesyncd
+assert_zero $?
+
+logprint "setting up console" 
+cp -vf ${CONFIGS_DIR}/etc_vconsole.conf /etc/vconsole.conf
+assert_zero $?
+
+logprint "setting default locale"
+cp -vf ${CONFIGS_DIR}/etc_locale.conf /etc/locale.conf
+assert_zero $?
+
+logprint "setting inputrc"
+cp -vf ${CONFIGS_DIR}/etc_inputrc /etc/inputrc
+assert_zero $?
+
+logprint "setting initial /etc/shells"
+cp -vf ${CONFIGS_DIR}/etc_shells /etc/shells
+assert_zero $?
+
+# is it init?
+# is it service state management?
+logprint "Disabling screen clearing by systemd"
+mkdir -pv /etc/systemd/system/getty@tty1.service.d
+assert_zero $?
+
+cp -vf ${CONFIGS_DIR}/etc_systemd_system_getty@tty1.service.d_noclear.conf /etc/systemd/system/getty@tty1.service.d/noclear.conf
+assert_zero $?
+
+logprint "Fixing systemd scope creep on logind.conf"
+cp -vf ${CONFIGS_DIR}/etc_systemd_logind.conf /etc/systemd/logind.conf
+assert_zero $?
+
+# re: fstab, since this artifact will boot on an iso, the booting disk
+# may need to be assumed
+# deferring this for later testing
+
+logprint "Execution of ${APPNAME} completed."
--- a/rex.project/x86_64/components/stage5/welcome.bash
+++ b/rex.project/x86_64/components/stage5/welcome.bash
@ -0,0 +1,48 @@
+HORSE=$(cat <<'EOH'
+⠀⠀⠀⠀⠀⠀⢀⠀⠀⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠘⣦⡀⠘⣆⠈⠛⠻⣗⠶⣶⣤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠈⣿⠀⠈⠳⠄⠀⠈⠙⠶⣍⡻⢿⣷⣦⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⣰⣿⣧⠀⠀⠀⠀⠀⠀⠀⠈⠻⣮⡹⣿⣿⣷⣦⣄⣀⠀⠀⢀⣸⠃⠀⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⢠⣿⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⣮⢿⣿⣿⣿⣿⣿⣿⣿⠟⠀⢰⣿⣦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⢀⣾⣿⠀⠀⠀⠀⠀⠀⠀⣷⠀⢷⠀⠀⠀⠙⢷⣿⣿⣿⣿⣟⣋⣀⣤⣴⣿⣿⣿⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⢀⣼⢿⣿⡀⠀⠀⢀⣀⣴⣾⡟⠀⠈⣇⠀⠀⠀⠈⢻⡙⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⣼⡏⠸⣿⣿⣶⣾⣿⡿⠟⠋⠀⠀⠀⢹⡆⠀⠀⠀⠀⠹⡽⣿⣿⣿⣿⣿⣿⣿⣿⡿⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⣰⣿⠀⠀⠀⣀⡿⠛⠉⠀⠀⢿⠀⠀⠀⠘⣿⡄⠀⠀⠀⠀⠑⢹⣿⣿⣿⣿⣿⣿⣿⣿⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⣿⣿⣷⣶⣾⠏⠀⠀⠀⠀⠀⠘⣇⠀⠀⠀⢻⡇⠀⠀⠀⠀⠀⠀⠹⣿⣿⣿⣿⣿⡿⠃⠀⣠⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠈⠙⠿⠿⠋⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⠀⢸⣷⠀⠀⠀⠀⠀⢀⠀⠹⣿⣿⣿⣿⣷⣶⣿⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠀⠀⠀⢸⣿⠀⠀⠀⠀⢀⡞⠀⠀⠈⠛⠻⠿⠿⠯⠥⠤⢄⣀⣀⢀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⠀⠀⠀⢸⡇⠀⠀⠀⢀⡼⠃⠀⠀⠀⠀⠀⣄⠀⠀⠀⠀⠀⠀⠈⠙⠂⠙⠳⢤⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠇⠀⠀⠀⡾⠁⠀⠀⣠⡿⠃⠀⠀⠀⠀⠀⠀⠸⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⠀⠀⠀⡸⠃⠀⢀⣴⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⣷⣶⣶⣦⣤⣀⡀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣿⠇⠀⠀⠀⠃⢀⣴⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣿⣿⣿⣿⣿⣿⣿⣶⣤⡀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⠏⠀⠀⠀⠀⣰⡟⠁⠀⠀⠀     ⠀⠀⠀⣼⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣧⠙⠻⣿⣿⣿⣿⣿⣿⣦⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⡏⠀⠀⢀⡖⢰⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠟⠀⠀⠀⢸⣿⠀⠀⠈⢿⣿⣿⣿⣿⣿⡿
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⡇⠀⠀⣼⠁⠼⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣴⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡴⠋⠀⠀⠀⠀⣼⡇⠀⠀⣠⣾⣿⣿⣿⣿⠟⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⠘⣇⠀⠀⢻⡄⢠⡄⠀⠀⠀⠀⠀⠀⠀⠀⢀⣤⡴⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⠟⠁⠀⠀⠀⢀⣼⠏⠀⣠⣾⣿⣿⡿⣿⡿⠁⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⠁⠀⠘⠂⠀⠀⢳⠀⢳⡀⠀⠀⠀⠀⠀⠀⢀⡼⠁⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣾⣿⠃⠀⠀⠀⠀⣠⣾⠃⣠⣾⣿⣿⠿⠋⢰⡟⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⢠⣿⠃⠀⠀⠀⢀⣀⡴⠞⠙⠲⣷⡄⠀⠀⠀⠀⢠⡾⠁⠀⠀⠀⢀⣀⣠⣤⣶⠿⠟⠋⠀⡾⠀⠀⠀⢀⣴⠟⠁⢠⡟⢱⡿⠃⠀⠀⠸⣇⡀⠀⠀⠀
+⠀⠀⠀⠀⠀⢀⡴⠟⠁⠀⣀⡤⠖⠋⠁⠀⠀⠀⠀⣸⠇⠀⠀⠀⣤⠟⠑⠋⠉⣿⠋⠉⠉⠉⠁⣠⠞⠀⠀⠀⡇⠀⠀⢠⡿⠋⠀⠀⠈⠁⡿⠀⠀⠀⠀⠀⠀⠁⠀⠀⠀
+⠀⠀⠀⢀⣾⣏⣤⣶⡾⠛⠉⠀⠀⠀⠀⠀⠀⢀⡼⠃⠀⠀⣠⠞⠁⠀⠀⠀⠀⣿⠀⠀⠀⢀⡼⠃⠀⠀⠀⢸⠇⠀⣰⠟⠀⠀⠀⠀⠀⠐⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⢀⣿⣿⡿⠛⠁⠀⠀⠀⠀⠀⠀⠀⢀⣴⠏⠀⠀⣠⠞⠁⠀⠀⠀⠀⠀⠀⣿⠀⠀⢀⡾⠃⠀⠀⠀⢀⡞⠀⣼⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⣼⣿⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⢠⣾⣿⣶⣶⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⣾⠇⠀⠀⠀⢀⣾⣣⣾⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⢠⣿⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣿⣿⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠀⢠⡟⠀⠀⠀⢀⣾⣿⣿⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣿⣿⡄⢀⣀⡀⠀⠀⠀⠀⠀⠀⢸⡇⠀⣾⠇⠀⠀⣰⣿⣿⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢸⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⣿⣿⣿⣿⣿⣦⡀⠀⠀⠀⠀⣾⠀⣰⠟⠀⢀⣼⣿⣿⠛⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢸⣿⣿⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠿⠿⠿⠿⠿⠿⠃⠀⠀⠀⢸⣿⣶⠏⢀⣴⣿⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢸⣿⣿⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣾⣿⠃⢠⣿⣿⡿⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢿⣿⣿⣿⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⢃⣴⣿⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠈⠛⠛⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣧⣾⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⣿⡟⢸⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⣿⣿⠁⠀⠀⠈⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠿⠿⠿⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+EOH
+)
+
+echo
+echo
+echo -e "\e[31m$HORSE\e[0m"
+echo
+echo "Welcome to Pyrois, the build system for Dark Horse Linux."
+echo
+echo "Stage 5, KERNEL"
+echo
--- a/rex.project/x86_64/plans/master.plan
+++ b/rex.project/x86_64/plans/master.plan
@ -5,7 +5,6 @@
 			"name":			"welcome master", 
 			"dependencies": [ null ],
 			"comment":		"greet the user"
-		},
-
+		}
 	]
 }
--- a/rex.project/x86_64/plans/stage4.plan
+++ b/rex.project/x86_64/plans/stage4.plan
@ -390,6 +390,11 @@
 			"name":			"stage4 cleanup", 
 			"dependencies": [ null ],
 			"comment":		"8.80"
+		},
+		{
+			"name":			"systemd tuning", 
+			"dependencies": [ null ],
+			"comment":		"9.2"
 		}
 	]
 }
--- a/rex.project/x86_64/plans/stage5.plan
+++ b/rex.project/x86_64/plans/stage5.plan
@ -0,0 +1,20 @@
+{
+	"plan":
+	[
+		{
+			"name":			"welcome 5", 
+			"dependencies": [ null ],
+			"comment":		"greet the user"
+		},
+		{
+			"name":			"cpio", 
+			"dependencies": [ null ],
+			"comment":		"prereq for fedora kernel config"
+		},
+		{
+			"name":			"linux kernel", 
+			"dependencies": [ null ],
+			"comment":		"the abyss"
+		}
+	]
+}
--- a/rex.project/x86_64/units/master.units
+++ b/rex.project/x86_64/units/master.units
@ -17,24 +17,6 @@
 			"group":        			"root",
 			"supply_environment":		true,
 			"environment":  			"environments/stage4.env.bash"
-		},
-		{
-			"name":         			"stage4 cleanup",
-			"target":       			"components/stage4/cleanup.bash",
-			"is_shell_command":			true,
-			"shell_definition":			"bash",
-			"force_pty":				true,
-			"set_working_directory":	false,
-			"working_directory":		"",
-			"rectify":      			false,
-			"rectifier":    			"",
-			"active":       			true,
-			"required":     			true,
-			"set_user_context": 		true,
-			"user":         			"root",
-			"group":        			"root",
-			"supply_environment":		true,
-			"environment":  			"environments/stage4.env.bash"
 		}
 	]
 }
--- a/rex.project/x86_64/units/stage4.units
+++ b/rex.project/x86_64/units/stage4.units
@ -1403,6 +1403,24 @@
 		"group":        			"root",
 		"supply_environment":		true,
 		"environment":  			"environments/stage4.env.bash"
+	},
+	{
+		"name":         			"systemd tuning",
+		"target":       			"components/stage5/systemd-tuning.bash",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+		"rectify":      			false,
+		"rectifier":    			"",
+		"active":       			true,
+		"required":     			true,
+		"set_user_context": 		true,
+		"user":         			"root",
+		"group":        			"root",
+		"supply_environment":		true,
+		"environment":  			"environments/stage4.env.bash"
 	}
  ]
 }
--- a/rex.project/x86_64/units/stage5.units
+++ b/rex.project/x86_64/units/stage5.units
@ -0,0 +1,58 @@
+{
+  "units": [
+    {
+        "name":         			"welcome 5",
+        "target":       			"components/stage5/welcome.bash",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+        "rectify":      			false,
+        "rectifier":    			"",
+        "active":       			true,
+        "required":     			true,
+		"set_user_context": 		true,
+        "user":         			"root",
+        "group":        			"root",
+		"supply_environment":		true,
+        "environment":  			"environments/stage4.env.bash"
+    },
+	{
+		"name":         			"cpio",
+		"target":       			"components/stage5/cpio.bash --all",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+		"rectify":      			false,
+		"rectifier":    			"",
+		"active":       			true,
+		"required":     			true,
+		"set_user_context": 		true,
+		"user":         			"root",
+		"group":        			"root",
+		"supply_environment":		true,
+		"environment":  			"environments/stage4.env.bash"
+	},
+	{
+		"name":         			"linux kernel",
+		"target":       			"components/stage5/linux.bash --all",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+		"rectify":      			false,
+		"rectifier":    			"",
+		"active":       			true,
+		"required":     			true,
+		"set_user_context": 		true,
+		"user":         			"root",
+		"group":        			"root",
+		"supply_environment":		true,
+		"environment":  			"environments/stage4.env.bash"
+	}
+  ]
+}