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#!/bin/bash
#
#  coreboot autobuild
#
#  This script builds coreboot images for all available targets.
#
#  (C) 2004 by Stefan Reinauer <stepan@openbios.org>
#  (C) 2006-2010 by coresystems GmbH <info@coresystems.de>
#
#  This file is subject to the terms and conditions of the GNU General
#  Public License. See the file COPYING in the main directory of this
#  archive for more details.
#     

#set -x # Turn echo on....

ABUILD_DATE="January 29th, 2010"
ABUILD_VERSION="0.9"

# Where shall we place all the build trees?
TARGET=$( pwd )/coreboot-builds
XMLFILE=$( pwd )/abuild.xml

# path to payload. Should be more generic
PAYLOAD=/dev/null

# Lines of error context to be printed in FAILURE case
CONTEXT=5

TESTSUBMISSION="http://qa.coreboot.org/deployment/send.php"

# Number of CPUs to compile on per default
cpus=1

# Configure-only mode
configureonly=0

# One might want to adjust these in case of cross compiling
for i in make gmake gnumake nonexistant_make; do
	$i --version 2>/dev/null |grep "GNU Make" >/dev/null && break
done
if [ "$i" = "nonexistant_make" ]; then
	echo No GNU Make found.
	exit 1
fi
MAKE=$i

# this can be changed to xml by -x
mode=text

# silent mode.. no compiler calls, only warnings in the log files.
# this is disabled per default but can be enabled with -s
silent=

# clang mode enabled by -sb option.
scanbuild=false

# stackprotect mode enabled by -ns option.
stackprotect=false

# loglevel changed with -l / --loglevel option
loglevel=default

ARCH=`uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
	-e s/i86pc/i386/ \
	-e s/arm.*/arm/ -e s/sa110/arm/ -e s/x86_64/amd64/ \
	-e "s/Power Macintosh/ppc/"`

trap interrupt INT

function interrupt
{
	printf "\n$0: execution interrupted manually.\n"
	if [ "$mode" == "xml" ]; then
		printf "$0: deleting incomplete xml output file.\n"
	fi
	exit 1
}

function debug
{
	test "$verbose" == "true" && printf "$*\n"
}

function xml
{
	test "$mode" == "xml" && printf "$*\n" >> $XMLFILE
}

function xmlfile
{
	test "$mode" == "xml" && { 
		printf '<![CDATA[\n'
		cat $1
		printf ']]>\n' 
	} >> $XMLFILE
}



function vendors
{
	# make this a function so we can easily select
	# without breaking readability
	ls -1 "$ROOT/src/mainboard" | grep -v Kconfig | grep -v Makefile
}

function mainboards
{
	# make this a function so we can easily select
	# without breaking readability
	
	VENDOR=$1
	
	ls -1 $ROOT/src/mainboard/$VENDOR | grep -v Kconfig
}

function architecture
{
	VENDOR=$1
	MAINBOARD=$2
	ARCH=`cat $ROOT/src/mainboard/$VENDOR/$MAINBOARD/Kconfig | \
		grep "select ARCH_"|cut -f2- -d_`
	echo $ARCH | sed s/X86/i386/
}

function create_config
{
	VENDOR=$1
	MAINBOARD=$2
	CONFIG=$3

	build_dir=$TARGET/${VENDOR}_${MAINBOARD}

        # get a working payload for the board if we have one.
        # the --payload option expects a directory containing 
	# a shell script payload.sh
	#   Usage: payload.sh [VENDOR] [DEVICE]
	# the script returns an absolute path to the payload binary.

	if [ -f $payloads/payload.sh ]; then
		PAYLOAD=`sh $payloads/payload.sh $VENDOR $MAINBOARD`
		printf "Using payload $PAYLOAD\n"
	fi

	$MAKE distclean O=${build_dir}
	mkdir -p ${build_dir}

	if [ "$CONFIG" != "" ]; then
		printf "  Using existing configuration $CONFIG ... "
		xml "  <config>$CONFIG</config>"
		cp $CONFIG .config
	else
		printf "  Creating config file... "
		xml "  <config>autogenerated</config>"
		grep "depends[\t ]on[\t ]*VENDOR" src/mainboard/$VENDOR/$MAINBOARD/../Kconfig | \
			sed "s,^.*\(VENDOR_.*\)[^A-Z0-9_]*,CONFIG_\1=y," > .config
		grep "config[\t ]*BOARD" src/mainboard/$VENDOR/$MAINBOARD/Kconfig | \
			sed "s,^.*\(BOARD_.*\)[^A-Z0-9_]*,CONFIG_\1=y," >> .config
		grep "select[\t ]*ARCH" src/mainboard/$VENDOR/$MAINBOARD/Kconfig | \
			sed "s,^.*\(ARCH_.*\)[^A-Z0-9_]*,CONFIG_\1=y," >> .config
		echo "CONFIG_MAINBOARD_DIR=\"$VENDOR/$MAINBOARD\"" >> .config
		if [ "$PAYLOAD" != "/dev/null" ]; then
			echo "# CONFIG_PAYLOAD_NONE is not set" >> .config
			echo "CONFIG_PAYLOAD_ELF=y" >> .config
			echo "CONFIG_FALLBACK_PAYLOAD_FILE=\"$PAYLOAD\"" >> .config
		fi

		if [ "$loglevel" != "default" ]; then
			printf "(loglevel override) "
			echo "CONFIG_MAXIMUM_CONSOLE_LOGLEVEL_$loglevel=y" >> .config
			echo "CONFIG_MAXIMUM_CONSOLE_LOGLEVEL=$loglevel" >> .config
			echo "CONFIG_DEFAULT_CONSOLE_LOGLEVEL_$loglevel=y" >> .config
			echo "CONFIG_DEFAULT_CONSOLE_LOGLEVEL=$loglevel" >> .config
		fi

		if [ "$scanbuild" = "true" ]; then
			printf "(scan-build enabled) "
			echo "CONFIG_SCANBUILD_ENABLE=y" >> .config
			echo "CONFIG_SCANBUILD_REPORT_LOCATION=\"$TARGET/scan-build-results-tmp\"" >> .config
		fi
	fi

	yes "" | $MAKE oldconfig O=${build_dir} > ${build_dir}/config.log
	ret=$?
	mv .config.old $TARGET/${VENDOR}_${MAINBOARD}/config.in
	if [ $ret -eq 0 ]; then
		printf "ok\n"
		xml "  <builddir>ok</builddir>"
		xml "  <log>"
		xmlfile $build_dir/config.log
		xml "  </log>"
		xml ""
		return 0
	else
		printf "FAILED! Log excerpt:\n"
		xml "  <builddir>failed</builddir>"
		xml "  <log>"
		xmlfile $build_dir/config.log
		xml "  </log>"
		xml ""
		tail -n $CONTEXT $build_dir/config.log 2> /dev/null || tail -$CONTEXT $build_dir/config.log
		return 1
	fi
}

function create_buildenv
{
	VENDOR=$1
	MAINBOARD=$2
	CONFIG=$3
	create_config $VENDOR $MAINBOARD $CONFIG
}

function compile_target
{	
	VENDOR=$1
	MAINBOARD=$2

	printf "  Compiling image "
	test "$cpus" == "" && printf "in parallel .. "
	test "$cpus" == "1" && printf "on 1 cpu .. "
	test 0$cpus -gt 1 && printf "on %d cpus in parallel .. " $cpus

	CURR=$( pwd )
	stime=`perl -e 'print time();' 2>/dev/null || date +%s`
	build_dir=$TARGET/${VENDOR}_${MAINBOARD}
	eval $MAKE $silent -j $cpus O=${build_dir} \
		&> ${build_dir}/make.log
	ret=$?
	mv .config ${build_dir}/config.build
	mv .xcompile ${build_dir}/xcompile.build
	cd $TARGET/${VENDOR}_${MAINBOARD}
	etime=`perl -e 'print time();' 2>/dev/null || date +%s`
	duration=$(( $etime - $stime ))
	if [ $ret -eq 0 ]; then
		xml "  <compile>ok</compile>"
		xml "  <compiletime>${duration}s</compiletime>"
		xml "  <log>"
		xmlfile make.log
		xml "  </log>"
		printf "ok\n" > compile.status
		printf "ok. (took ${duration}s)\n"
		cd $CURR
		return 0
	else
		xml "  <compile>failed</compile>"
		xml "  <compiletime>${duration}s</compiletime>"
		xml "  <log>"
		xmlfile make.log
		xml "  </log>"

		printf "FAILED after ${duration}s! Log excerpt:\n"
		tail -n $CONTEXT make.log 2> /dev/null || tail -$CONTEXT make.log
		cd $CURR
		return 1
	fi
}

function built_successfully
{
	CURR=`pwd`
	status="fail"
	if [ -d "$TARGET/${VENDOR}_${MAINBOARD}" ]; then
		cd $TARGET/${VENDOR}_${MAINBOARD}
		if [ -r compile.status ] ; then
			status=`cat compile.status`
		fi
		cd $CURR
	fi
	[ "$buildall" != "true" -a "$status" == "ok" ]
}

function build_broken
{
	CURR=`pwd`
	status="yes"
	[ -r "$ROOT/src/mainboard/${VENDOR}/${MAINBOARD}/BROKEN" ] && status="no"
	[ "$buildbroken" == "true" -o "$status" == "yes" ]
}

function build_target
{
	VENDOR=$1
	MAINBOARD=$2
	CONFIG=$3
	TARCH=$( architecture $VENDOR $MAINBOARD )

	# Allow architecture override in an abuild.info file.
	# This is used for the Motorola Sandpoint, which is not a real target
	# but a skeleton target for the Sandpoint X3.
	[ -r "$ROOT/src/mainboard/${VENDOR}/${MAINBOARD}/abuild.info" ] && \
		source $ROOT/src/mainboard/${VENDOR}/${MAINBOARD}/abuild.info

	# default setting

	CC="${CROSS_COMPILE}gcc"
	CROSS_COMPILE=""
	found_crosscompiler=false
	if which $TARCH-elf-gcc 2>/dev/null >/dev/null; then
		# i386-elf target needs --divide, for i386-linux, that's the default
		if [ "$TARCH" = "i386" ]; then
			CC="$CC -Wa,--divide"
		fi
		CROSS_COMPILE="$TARCH-elf-"
		CC=gcc
		echo using $CROSS_COMPILE$CC
		found_crosscompiler=true
	fi

 	HOSTCC='gcc'

	printf "Processing mainboard/$VENDOR/$MAINBOARD"

	xml "<mainboard>"
	xml ""
	xml "  <vendor>$VENDOR</vendor>"
	xml "  <device>$MAINBOARD</device>"
	xml ""
	xml "  <architecture>$TARCH</architecture>"
	xml ""

	if [ "$ARCH" = "$TARCH" -o $found_crosscompiler = true ]; then
		printf " ($TARCH: ok)\n"
	else
		found_crosscompiler=false
		if [ "$ARCH" == amd64 -a "$TARCH" == i386 ]; then
			CC="gcc -m32"
			found_crosscompiler=true
		fi
		if [ "$ARCH" == ppc64 -a "$TARCH" == ppc ]; then
			CC="gcc -m32"
			found_crosscompiler=true
		fi
		if [ "$found_crosscompiler" == "false" -a "$TARCH" == ppc ];then
			for prefix in powerpc-eabi- powerpc-linux- ppc_74xx- \
			    powerpc-7450-linux-gnu- powerpc-elf-; do
				if ${prefix}gcc --version > /dev/null 2> /dev/null ; then
					found_crosscompiler=true
					CROSS_COMPILE=$prefix
				fi
			done
		fi

	
		# TBD: look for suitable cross compiler suite
		# cross-$TARCH-gcc and cross-$TARCH-ld
		
		# Check result:
		if [ $found_crosscompiler == "false" ]; then
			printf " ($TARCH: skipped, we're $ARCH)\n\n"
			xml "  <status>notbuilt</status>"
			xml ""
			xml "</mainboard>"
		
			return 0
		else
			printf " ($TARCH: ok, we're $ARCH with a ${CROSS_COMPILE} cross compiler)\n"
			xml "  <compiler>"
			xml "    <path>`which ${CROSS_COMPILE}gcc`</path>"
			xml "    <version>`${CROSS_COMPILE}gcc --version | head -1`</version>"
			xml "  </compiler>"
			xml ""
		fi
	fi

	CC=${CROSS_COMPILE}$CC

	if  [ "$stackprotect" = "true" ]; then
		CC="$CC -fno-stack-protector"
	fi

	built_successfully $VENDOR $MAINBOARD && \
	{
		printf " ( mainboard/$VENDOR/$MAINBOARD previously ok )\n\n"
		xml "  <status>previouslyok</status>"
		xml ""
		xml "</mainboard>"
		return 0
	}

	build_broken $VENDOR $MAINBOARD || \
	{
		printf " ( broken mainboard/$VENDOR/$MAINBOARD skipped )\n\n"
		xml "  <status>knownbroken</status>"
		xml ""
		xml "</mainboard>"
		return 0
	}
	
	create_buildenv $VENDOR $MAINBOARD $CONFIG
	if [ $? -eq 0  -a  $configureonly -eq 0 ]; then
		compile_target $VENDOR $MAINBOARD && 
			xml "  <status>ok</status>" ||
			xml "<status>broken</status>"
		if [ "$scanbuild" = "true" ]; then
			mv `dirname $TARGET/scan-build-results-tmp/*/index.html` $TARGET/${VENDOR}_${MAINBOARD}-scanbuild
			MAKE=$origMAKE
		fi
	fi

	xml ""
	xml "</mainboard>"

	printf "\n"
}

function test_target
{
	VENDOR=$1
	MAINBOARD=$2

	if [ "$hwtest" != "true" ]; then
		return 0
	fi

	# image does not exist. we silently skip the patch.
	if [ ! -r "$TARGET/${VENDOR}_${MAINBOARD}/coreboot.rom" ]; then
		return 0
	fi

	which curl &> /dev/null
	if [ $? != 0 ]; then
		printf "curl is not installed but required for test submission.  skipping test.\n\n"
		return 0
	fi

	CURR=`pwd`
	if [ -r "$TARGET/${VENDOR}_${MAINBOARD}/tested" ]; then
		printf "Testing image for board $VENDOR $MAINBOARD skipped (previously submitted).\n\n"
		return 0
	fi
	# touch $TARGET/${VENDOR}_${MAINBOARD}/tested

	printf "Submitting image for board $VENDOR $MAINBOARD to test system...\n"

	curl -f -F "romfile=@$TARGET/${VENDOR}_${MAINBOARD}/coreboot.rom" \
		-F "mode=abuild" -F "mainboard=${VENDOR}_${MAINBOARD}" -F "submit=Upload" \
        	"http://qa.coreboot.org/deployment/send.php"

	printf "\n"
	return 0
}

function remove_target
{
	if [ "$remove" != "true" ]; then
		return 0
	fi

	VENDOR=$1
	MAINBOARD=$2

	# Save the generated coreboot.rom file of each board.
	if [ -r "$TARGET/${VENDOR}_${MAINBOARD}/coreboot.rom" ]; then
		cp $TARGET/${VENDOR}_${MAINBOARD}/coreboot.rom \
		   ${VENDOR}_${MAINBOARD}_coreboot.rom
	fi

	printf "Removing build dir for board $VENDOR $MAINBOARD...\n"
	rm -rf $TARGET/${VENDOR}_${MAINBOARD}

	return 0
}

function myhelp
{
	printf "Usage: $0 [-v] [-a] [-b] [-r] [-t <vendor/board>] [-p <dir>] [lbroot]\n"
	printf "       $0 [-V|--version]\n"
	printf "       $0 [-h|--help]\n\n"

	printf "Options:\n"
	printf "    [-v|--verbose]		  print more messages\n"
	printf "    [-a|--all]			  build previously succeeded ports as well\n"
	printf "    [-b|--broken]		  attempt to build ports that are known broken\n"
	printf "    [-r|--remove]                 remove output dir after build\n"
	printf "    [-t|--target <vendor/board>]  attempt to build target vendor/board only\n"
	printf "    [-p|--payloads <dir>]         use payloads in <dir> to build images\n"
	printf "    [-V|--version]		  print version number and exit\n"
	printf "    [-h|--help]			  print this help and exit\n"
	printf "    [-x|--xml]			  write xml log file \n"
	printf "                                  (defaults to $XMLFILE)\n"
	printf "    [-T|--test]			  submit image(s) to automated test system\n"
	printf "    [-c|--cpus <numcpus>]         build on <numcpus> at the same time\n"
	printf "    [-s|--silent]                 omit compiler calls in logs\n"
	printf "    [-ns|--nostackprotect]        use gcc -fno-stack-protector option\n"
	printf "    [-sb|--scan-build]            use clang's static analyzer\n"
	printf "    [-C|--config]                 configure-only mode\n"
	printf "    [-l|--loglevel <num>]         set loglevel\n"
	printf "    [lbroot]			  absolute path to coreboot sources\n"
	printf "				  (defaults to $ROOT)\n\n"
}

function myversion 
{
	cat << EOF

coreboot autobuild v$ABUILD_VERSION ($ABUILD_DATE)

Copyright (C) 2004 by Stefan Reinauer <stepan@openbios.org>
Copyright (C) 2006-2010 by coresystems GmbH <info@coresystems.de>

This program is free software; you may redistribute it under the terms
of the GNU General Public License. This program has absolutely no
warranty.

EOF
}

# default options
target=""
buildall=false
verbose=false

test -f util/sconfig/config.g && ROOT=$( pwd )
test -f ../util/sconfig/config.g && ROOT=$( cd ..; pwd )
test "$ROOT" = "" && ROOT=$( cd ../..; pwd )

# parse parameters.. try to find out whether we're running GNU getopt
getoptbrand="`getopt -V`"
if [ "${getoptbrand:0:6}" == "getopt" ]; then
	# Detected GNU getopt that supports long options.
	args=`getopt -l version,verbose,help,all,target:,broken,payloads:,test,cpus:,silent,xml,config,loglevel: Vvhat:bp:Tc:sxCl: -- "$@"`
	eval set "$args"
else
	# Detected non-GNU getopt
	args=`getopt Vvhat:bp:Tc:sxCl:o $*`
	set -- $args
fi

if [ $? != 0 ]; then
	myhelp
	exit 1
fi

while true ; do
	case "$1" in
		-x|--xml)       shift; mode=xml; rm -f $XMLFILE ;;
		-t|--target)	shift; target="$1"; shift;;
		-a|--all)	shift; buildall=true;;
		-b|--broken)	shift; buildbroken=true;;
		-r|--remove)	shift; remove=true; shift;;
		-v|--verbose)	shift; verbose=true;;
		-V|--version)	shift; myversion; exit 0;;
		-h|--help)	shift; myversion; myhelp; exit 0;;
		-p|--payloads)  shift; payloads="$1"; shift;;
		-T|--test)      shift; hwtest=true;;
		-c|--cpus)	shift; cpus="$1"; test "$cpus" == "max" && cpus=""; shift;;
		-s|--silent)    shift; silent="-s";;
		-ns|--nostackprotect) shift; stackprotect=true;;
		-sb|--scan-build) shift; scanbuild=true;;
		-C|--config)    shift; configureonly=1;;
		-l|--loglevel)  shift; loglevel="$1"; shift;;
		--)		shift; break;;
		-*)		printf "Invalid option\n\n"; myhelp; exit 1;;
		*)		break;;
	esac
done

# /path/to/freebios2/
test -z "$1" || ROOT=$1

debug "ROOT=$ROOT"

xml '<?xml version="1.0" encoding="utf-8"?>'
xml '<abuild>'

if [ "$target" != "" ]; then
	# build a single board
	VENDOR=`printf $target|cut -f1 -d/`
	MAINBOARD=`printf $target|cut -f2 -d/`
	CONFIG=`printf $target|cut -f3 -d/`
	build_target $VENDOR $MAINBOARD $CONFIG
	test_target $VENDOR $MAINBOARD
else
	# build all boards per default
	for VENDOR in $( vendors ); do
		for MAINBOARD in $( mainboards $VENDOR ); do
			build_target $VENDOR $MAINBOARD
			test_target $VENDOR $MAINBOARD
			remove_target $VENDOR $MAINBOARD
		done
	done
fi
xml '</abuild>'