#!/bin/bash
#
#    create-config: Creates a CSiBE configuration
#    Copyright (C) 2004  Tamas Gergely
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#
# Version history:
#   2.1.1 (2005-08-03) : follow mainline
#                        use VPATH for source directories
#   2.1.0 (2005-02-21) : fix mainline error about arrays
#                        typo fix
#   2.0   (2004-05-19) : testbed size increased
#                        execution time measurement added
#   1.1.1 (2004-02-18) : bug about relative paths fixed
#                        added variable time measure repeat count
#   1.1   (2003-12-10) : compile time measurement added
#                        empty string parameter handling changed 
#   1.0.1 (2003-08-11) : correction of some comments
#   1.0   (2003-08-08) : first public version
#
VER_M=2
VER_S=1
VER_B=1
VERSION=${VER_M}.${VER_S}`if [ -n "${VER_B}" ] ; then echo ".${VER_B}" ; fi`

#
# Set the variable `CC' to point to the compiler that will be used
# to produce the binaries to be measured (the default is "gcc").
# `CCOPT' can be used to provide compiler flags (the default is "-Os").
#
#CC="gcc"
#CCOPT="-Os"
CC="/usr/local/gcc/csibe/arm-none-eabi-toolchain-gcc-8.1.0-csibe-softfloat/bin/arm-none-eabi-gcc"

#CCOPT="-Os -std=gnu89 -mcpu=cortex-m3 -W -Wall -Wextra -Wno-unused-parameter -Wno-unused-variable -Wno-main -Wno-sign-compare -Wimplicit-fallthrough=0 -Wno-parentheses -Wno-unused-but-set-variable -Wno-old-style-declaration -Wno-ignored-qualifiers -Wformat=0 -Wno-packed-not-aligned -Wno-attributes -Wno-type-limits -Wno-shift-count-overflow -Wno-misleading-indentation -Wno-empty-body -Wno-missing-field-initializers -Wno-overflow -Wno-int-conversion -Wno-pointer-sign -Wno-pointer-to-int-cast -Wno-unused-value -Wno-missing-braces -Wno-implicit-function-declaration -Wno-switch -Wno-char-subscripts -Wno-unused-label -Wno-unknown-pragmas -Wno-unused-function -Wno-return-type -Wno-aggressive-loop-optimizations -Wno-pointer-compare -Wno-restrict -Wno-implicit-int -Wno-clobbered -Wno-builtin-declaration-mismatch -Wno-discarded-qualifiers -Wno-array-bounds -Wno-strict-aliasing -Wno-incompatible-pointer-types -Wno-int-to-pointer-cast -Wno-endif-labels -Wno-sizeof-pointer-memaccess -Wno-sequence-point -Wno-uninitialized -Wno-maybe-uninitialized"

CCOPT="-Os -std=gnu89 -mcpu=cortex-m3 -Wno-unused-parameter -Wno-unused-variable -Wno-main -Wno-sign-compare -Wimplicit-fallthrough=0 -Wno-parentheses -Wno-unused-but-set-variable -Wno-old-style-declaration -Wno-ignored-qualifiers -Wformat=0 -Wno-packed-not-aligned -Wno-attributes -Wno-type-limits -Wno-shift-count-overflow -Wno-misleading-indentation -Wno-empty-body -Wno-missing-field-initializers -Wno-overflow -Wno-int-conversion -Wno-pointer-sign -Wno-pointer-to-int-cast -Wno-unused-value -Wno-missing-braces -Wno-implicit-function-declaration -Wno-switch -Wno-char-subscripts -Wno-unused-label -Wno-unknown-pragmas -Wno-unused-function -Wno-return-type -Wno-aggressive-loop-optimizations -Wno-pointer-compare -Wno-restrict -Wno-implicit-int -Wno-clobbered -Wno-builtin-declaration-mismatch -Wno-discarded-qualifiers -Wno-array-bounds -Wno-strict-aliasing -Wno-incompatible-pointer-types -Wno-int-to-pointer-cast -Wno-endif-labels -Wno-sizeof-pointer-memaccess -Wno-sequence-point -Wuninitialized -Wno-maybe-uninitialized"

# -Wuninitialized -Wmaybe-uninitialized -Wsequence-point

#
# The new configuration directory will be created in the base directory
# set in the variable `BASEDIR'. By default it is the current working dir.
#
BASEDIR=`pwd`

#
# Searching for the sources. Assumed to be ../src from this script.
#
case $0 in
/*/bin/create-config)
	SRCDIR=`echo $0 | sed 's/bin\/create-config$/src/'`
;;
*bin/create-config)
	SRCDIR=`echo $0 | sed 's/bin\/create-config$/src/'`
	SRCDIR=`pwd`/${SRCDIR}
;;
create-config)
	case `which $0` in
	/*/bin/create-config)
		SRCDIR=`which $0 | sed 's/bin\/create-config$/src/'`
	;;
	*bin/create-config)
		SRCDIR=`pwd``which $0 | sed 's/bin\/create-config$/src/'`
	;;
	esac
;;
*create-config)
	SRCDIR=`pwd`/../src
;;
esac

#
# The variable `CONFIG' will be set by this script and it will hold the
# name of the configuration directory given when invoking `create-config'.
#
CONFIG=""


#
# Use variable `SIZE' to point to the program that will be used to extract
# the size information from the binary files (the default is "size").
#
SIZE="size"

#
# Use variable `TIME' to point to the program that will be used to measure
# the time consumption of the processes (the default is "time").
#
TIME="/usr/bin/time"

#
# Use variable `SHELL' to point to the executable that will be used as shell
# since default /bin/sh might link to too old shell (the default is "bash").
#
SHELL="/bin/bash"

#
# Use variable `ZIP' to point to the tool that will be used to compress
# the data, or leave it empty.
#
ZIP="gzip"

#
# Use varible `RUNSIM' to execute simulator for measuring execution time.
#

RUNSIM=""

#
# Use variables `OBJCOUNTER' and `RUNCOUNTER' to set how many times the
# compilation time and execution time are measured (the default is 3 for
# both.)
#
OBJCOUNTER=3
RUNCOUNTER=3

#
# Use variable `RESULTS' to set what measurements should be done. Possible
# values are from "time size runtime". Runtime requires other sources (the
# default value contains all measurements).
#
RESULTS="time size"

#
# The variables `USER', `BRANCH', `TARGET', `LIB', `CVSDATE' and `CVSTAG'
# are copied into the resulting csv file. They are reserved for advanced use
# and do not influence the measurement in any way.
# You don't need to modify these for regular use.
#
USER=
BRANCH=
TARGET=
LIB=
CVSDATE=
CVSTAG=

function Message () {
	echo -e "create-config version ${VERSION}, Copyright (C) 2004 Tamas Gergely\n"
	echo -e "create-config comes with ABSOLUTELY NO WARRANTY; for details see"
	echo -e "COPYING. This is free software, and you are welcome to redistribute"
	echo -e "it under certain conditions; see COPYING for details.\n"
}

function Help () {
	echo -e "Usage: $0 \e[1m[options]\e[0m \e[1;4mname\e[0m\n"
	echo -e "\tThis script creates a CSiBE configuration in the"
	echo -e "\tbase directory with the given \e[1;4mname\e[0m.\n"
	echo -e "basic options:"

	echo -e "\n\t-a | --ar \e[1;4mstr\e[0m"
	echo -e "\t\tSets archiver to \e[1;4mstr\e[0m. Default is \"\e[1mar\e[0m\"\e[1m^\e[0m."

	echo -e "\n\t-A | --as \e[1;4mstr\e[0m"
	echo -e "\t\tSets assembler to \e[1;4mstr\e[0m. Default is \"\e[1mas\e[0m\"\e[1m^\e[0m."

	echo -e "\n\t-c | --compiler \e[1;4mstr\e[0m"
	echo -e "\t\tSets compiler to \e[1;4mstr\e[0m. Default is \"\e[1m${CC}\e[0m\"."

	echo -e "\n\t-d | --basedir \e[1;4mstr\e[0m"
	echo -e "\t\tSets the base directory to \e[1;4mstr\e[0m. Default is the current dir."

	echo -e "\n\t-f | --flags \e[1;4mstr\e[0m"
	echo -e "\t\tSets the flags used when compiling the test programs to \e[1;4mstr\e[0m."
	echo -e "\t\tDefault is \"\e[1m${CCOPT}\e[0m\"."

	echo -e "\n\t-L | --linker \e[1;4mstr\e[0m"
	echo -e "\t\tSets linker to \e[1;4mstr\e[0m.  It is used  only in the  \"linux-2.4.23-"
	echo -e "\t\tpre3-testplatform\" subdirectory;  in other cases \$CC is used"
	echo -e "\t\tas the linker. Default is \"\e[1mld\e[0m\"\e[1m^\e[0m."

	echo -e "\n\t-m | --simulator \e[1;4mstr\e[0m"
	echo -e "\t\tSets simulator to \e[1;4mstr\e[0m. It is called for execution time "
	echo -e "\t\tmeasurement. Default is empty string."

	echo -e "\n\t-R | --results \e[1;4mstr\e[0m"
	echo -e "\t\tSets the measurements to do to \e[1;4mstr\e[0m.  Possible values are the"
	echo -e "\t\tcombinations of \"size\", \"time\" and \"runtime\"."
	echo -e "\t\tDefault is \"\e[1m${RESULTS}\e[0m\"."

	echo -e "\n\t-s | --size \e[1;4mstr\e[0m"
	echo -e "\t\tSets the  program  used  for  size  measurement to \e[1;4mstr\e[0m.  The"
	echo -e "\t\toutput must contain at least 6 columnns,  where the first is"
	echo -e "\t\tthe size of the read-only sections (text), the second is the"
	echo -e "\t\tsize of the data  sections (data) and  the sixth is the name"
	echo -e "\t\tof the object file. (Columns 3..5 are not relevant for us.)"
	echo -e "\t\tDefault is \"\e[1m${SIZE}\e[0m\"."

	echo -e "\n\t-S | --time \e[1;4mstr\e[0m"
	echo -e "\t\tSets the  program  used for  time  measurement  to \e[1;4mstr\e[0m.  The"
	echo -e "\t\tprogram must implement the switches -a (append),  -o (output"
	echo -e "\t\tfile name) and -f (output format string)."
	echo -e "\t\tDefault is \"\e[1m${TIME}\e[0m\"."

	echo -e "\n\t-S | --shell \e[1;4mstr\e[0m"
	echo -e "\t\tSets the  program  used for  shell  to \e[1;4mstr\e[0m.  The"
	echo -e "\t\tprogram must implement newer shell features as bash."
	echo -e "\t\tDefault is \"\e[1m${TIME}\e[0m\"."

	echo -e "\n\t-h | --help"
	echo -e "\t\tDisplays this help."
	echo -e ""
	echo -e "\t\e[1m^\e[0m: Note,  that  if the  compiler is  explicitly set,  the assembler,"
	echo -e "\t   archiver and linker (if not set explicitly) get the prefix of the"
	echo -e "\t   compiler."
	echo -e "\noptions for advanced use (no effect on the measurement):"
	echo -e "\n\t-b | --branch \e[1;4mstr\e[0m"
	echo -e "\t\tSets branch name string to \e[1;4mstr\e[0m. Default is empty string."
	echo -e "\n\t-l | --lib \e[1;4mstr\e[0m"
	echo -e "\t\tSets library name string to \e[1;4mstr\e[0m. Default is empty string."
	echo -e "\n\t-t | --target \e[1;4mstr\e[0m"
	echo -e "\t\tSets target string to \e[1;4mstr\e[0m. Default is empty string."
	echo -e "\n\t-u | --user \e[1;4mstr\e[0m"
	echo -e "\t\tSets user name to \e[1;4mstr\e[0m. Default is empty string."
	echo -e "\n\t-D | --cvstimestamp \e[1;4mstr\e[0m"
	echo -e "\t\tSets cvs timestamp to \e[1;4mstr\e[0m. Default is empty string."
	echo -e "\n\t-T | --cvstag \e[1;4mstr\e[0m"
	echo -e "\t\tSets cvs tag to \e[1;4mstr\e[0m. Default is empty string."
	echo -e ""
	echo -e "This script  creates the  configuration directory  and the makefiles in them"
	echo -e "with the chosen parameters in it.  Note that the compiler is not downloaded,"
	echo -e "built or in any way created by this script and the generated makefiles."
	echo -e "\nSend comments to <csibe-feedback@sed.inf.u-szeged.hu>."
}

while ! [ -z "$1" ]
do
	case $1 in
	-* )
		case $1 in
		-a | --ar )
			shift 1
			if [ -n "$1" ]
			then
				AR="$1"
			fi
		;;
		-b | --branch )
			shift 1
			if [ -n "$1" ]
			then
				BRANCH="$1"
			fi
		;;
		-c | --compiler )
			shift 1
			if [ -n "$1" ]
			then
				CC="$1"
			fi
		;;
		-d | --basedir )
			shift 1
			if [ -n "$1" ]
			then
				BASEDIR="$1"
			fi
		;;
		-f | --flags )
			shift 1
			if [ -n "$1" ]
			then
				CCOPT="$1"
			fi
		;;
		-h | --help )
			Message
			Help
			exit 0
		;;
		-l | --lib )
			shift 1
			if [ -n "$1" ]
			then
				LIB="$1"
			fi
		;;
		-m | --simulator )
			shift 1
			if [ -n "$1" ]
			then
				RUNSIM="$1"
			fi
		;;
		-o | --object-counter )
			shift 1
			if [ -n "$1" ]
			then
				OBJCOUNTER="$1"
			fi
		;;
		-p | --binary-prefix )
			shift 1
			if [ -n "$1" ]
			then
				BINPREFIX="$1"
			fi
		;;
		-r | --run-counter )
			shift 1
			if [ -n "$1" ]
			then
				RUNCOUNTER="$1"
			fi
		;;
		-s | --size )
			shift 1
			if [ -n "$1" ]
			then
				SIZE="$1"
			fi
		;;
		-t | --target )
			shift 1
			if [ -n "$1" ]
			then
				TARGET="$1"
			fi
		;;
		-u | --user )
			shift 1
			if [ -n "$1" ]
			then
				USER="$1"
			fi
		;;
		-z | --zip )
			shift 1
			ZIP="$1"
		;;
		-A | --as )
			shift 1
			if [ -n "$1" ]
			then
				AS="$1"
			fi
		;;
		-B | --shell )
			shift 1
			if [ -n "$1" ]
			then
				SHELL="$1"
			fi
		;;
		-D | --timestamp )
			shift 1
			if [ -n "$1" ]
			then
				CVSDATE="$1"
			fi
		;;
		-L | --linker )
			shift 1
			if [ -n "$1" ]
			then
				LD="$1"
			fi
		;;
		-R | --results )
			shift 1
			if [ -n "$1" ]
			then
				RESULTS="$1"
			fi
		;;
		-S | --time )
			shift 1
			if [ -n "$1" ]
			then
				TIME="$1"
			fi
		;;
		-T | --cvstag )
			shift 1
			if [ -n "$1" ]
			then
				CVSTAG="$1"
			fi
		;;
		* )
			echo -e "Ignoring option: $1" >&2
		esac
	;;
	* )
		CONFIG="$1"
	;;
	esac
	shift 1
done

if [ -z "${CONFIG}" ]
then
	Message
	Help
	exit 1
fi

##################
if [ -z "${BINPREFIX}" ]
then
	case "${CC}" in
	*gcc*)
		BINPREFIX=`echo ${CC} | sed 's!gcc[^/]*$!!'`
	;;
	*cc*)
		BINPREFIX=`echo ${CC} | sed 's!cc[^/]*$!!'`
	;;
	esac
fi

if [ -z "${AR}" ]
then
	AR=${BINPREFIX}ar
fi

if [ -z "${AS}" ]
then
	AS=${BINPREFIX}as
fi

if [ -z "${LD}" ]
then
	LD=${BINPREFIX}ld
fi

if [ -z "${NM}" ]
then
	NM=${BINPREFIX}nm
fi

if [ -z "${STRIP}" ]
then
	STRIP=${BINPREFIX}strip
fi

if [ -z "${OBJCOPY}" ]
then
	OBJCOPY=${BINPREFIX}objcopy
fi

if [ -z "${OBJDUMP}" ]
then
	OBJDUMP=${BINPREFIX}objdump
fi

##################

if [ -n "${TIME}" ]
then
	TIME="${TIME} -a -o \$@.time -f \"%U\""
fi

if [ -n "${AR}" ]
then
	AR="${AR} rcs"
fi

if [ -z "${ZIP}" ]
then
	ZIP="cat"
fi

if [ -d ${BASEDIR}/${CONFIG} ]
then
	echo "${BASEDIR}/${CONFIG} exists, remove it first."
	exit 2
else
	mkdir -p ${BASEDIR}/${CONFIG} || exit 1
fi

if ! [ -d ${SRCDIR} ]
then
	echo "${SRCDIR} not found, cannot copy sources."
	exit 2
fi

for Y in `cd ${SRCDIR} ; find . -name '*[Mm]ake*.in' -print`
do
	X=${BASEDIR}/${CONFIG}/$Y
	RELDIR=`dirname $Y`
	mkdir -p ${BASEDIR}/${CONFIG}/$RELDIR
	cp ${SRCDIR}/$Y $X
	
	case $X in
	*/[Mm]akefile.in)
		if [ -f `echo ${SRCDIR}/$Y | sed -e 's/[Mm]akefile.in$/CSiBE-run.make.in/'` ]
		then
			HAVERUNRULES="include CSiBE-run.make"
			cp ${SRCDIR}/$RELDIR/CSiBE-run.make.in ${BASEDIR}/${CONFIG}/$RELDIR/CSiBE-run.make.in
		else
			HAVERUNRULES="run:"
		fi
	;;
	*)
		HAVERUNRULES="run:"
	;;
	esac

	rm -f `echo $X | sed -e 's/.in$//'`
	sed \
	-e "s!@CSiBE-SHELL@!${SHELL}!" \
	-e "s!@CSiBE-TIME@!${TIME}!" \
	-e "s!@CSiBE-SIZE@!${SIZE}!" \
	-e "s!@CSiBE-CC@!\$(TIME) ${CC} -c!" \
	-e "s!@CSiBE-CC-PURE@!${CC}!" \
	-e "s!@CSiBE-CCLD@!${CC}!" \
	-e "s!@CSiBE-LD@!${LD}!" \
	-e "s!@CSiBE-AR@!${AR}!" \
	-e "s!@CSiBE-AS@!${AS}!" \
	-e "s!@CSiBE-CPP@!${CC} -E!" \
	-e "s!@CSiBE-CCOPT@!${CCOPT}!" \
	-e "s!@CSiBE-ZIP@!${ZIP}!" \
	-e "s!@CSiBE-NM@!${NM}!" \
	-e "s!@CSiBE-STRIP@!${STRIP}!" \
	-e "s!@CSiBE-OBJCOPY@!${OBJCOPY}!" \
	-e "s!@CSiBE-OBJDUMP@!${OBJDUMP}!" \
	-e "s!@CSiBE-CROSS-PREFIX@!${BINPREFIX}!" \
	-e "s!@CSiBE-RUNSIM@!${RUNSIM}!" \
	-e "s/@CSiBE-OBJCOUNTER@/${OBJCOUNTER}/" \
	-e "s/@CSiBE-RUNCOUNTER@/${RUNCOUNTER}/" \
	-e "s/@CSiBE-ALLRESULTS@/${RESULTS}/" \
	-e "s/@CSiBE-VERSION@/${VER_M}/" \
	-e "s/@CSiBE-INFO-USER@/${USER}/" \
	-e "s/@CSiBE-INFO-BRANCH@/${BRANCH}/" \
	-e "s/@CSiBE-INFO-TARGET@/${TARGET}/" \
	-e "s/@CSiBE-INFO-LIB@/${LIB}/" \
	-e "s/@CSiBE-INFO-CVSDATE@/${CVSDATE}/" \
	-e "s/@CSiBE-INFO-CVSTAG@/${CVSTAG}/" \
	-e "s/@CSiBE-RUN-RULES@/${HAVERUNRULES}/" \
	-e "s!@CSiBE-SRCDIR@!${SRCDIR}/${RELDIR}!" \
	$X > `echo $X | sed -e 's/.in$//'`
done

LIN="linux-2.4.23-pre3-testplatform"

cp ${SRCDIR}/$LIN/.config ${BASEDIR}/${CONFIG}/$LIN/.config
cp ${SRCDIR}/$LIN/.depend ${BASEDIR}/${CONFIG}/$LIN/.depend
cp ${SRCDIR}/$LIN/.hdepend ${BASEDIR}/${CONFIG}/$LIN/.hdepend
cp ${SRCDIR}/$LIN/.version ${BASEDIR}/${CONFIG}/$LIN/.version
ln -sf ${SRCDIR}/$LIN/include/ ${BASEDIR}/${CONFIG}/$LIN/include
ln -sf ${SRCDIR}/testdata ${BASEDIR}/${CONFIG}/testdata

for X in `find ${BASEDIR}/${CONFIG}/linux-2.4.23-pre3-testplatform -name '.*depend' -print`
do
	sed -e "s!@CSiBE-CONFIGROOT@!${BASEDIR}/${CONFIG}!" $X > $X.CSiBEdep
	mv -f $X.CSiBEdep $X
done