#!/bin/bash
echo  "Generate modules.cgz for Marvell PCI-X to Serial ATA adapters."

if [ -z "$1" ] ; then
   echo "parameter missing"
   exit 1
fi

BOOT_FLAGS="-D__BOOT_KERNEL_BOOT=1 -D__BOOT_KERNEL_UP=1 -D__BOOT_KERNEL_SMP=0"
SMP_FLAGS="-D__SMP__=1 -D__BOOT_KERNEL_SMP=1 -D__BOOT_KERNEL_UP=0"
UP_FLAGS="-D__BOOT_KERNEL_SMP=0 -D__BOOT_KERNEL_UP=1"
HUGEMEM_FLAGS="-D__BOOT_KERNEL_HUGEMEM=1"
BIGMEM_FLAGS="-D__BOOT_KERNEL_BIGMEM=1"

i386_FLAGS="-D__MODULE_KERNEL_i686=0 -D__MODULE_KERNEL_i586=0 -D__MODULE_KERNEL_athlon=0 -march=i386"
i686_FLAGS="-D__MODULE_KERNEL_i686=1 -D__MODULE_KERNEL_athlon=0 -D__MODULE_KERNEL_i586=0 -march=i686"
athlon_FLAGS="-D__MODULE_KERNEL_athlon=1 -D__MODULE_KERNEL_i686=0 -D__MODULE_KERNEL_i586=0 -march=athlon"

external_flags=""

get_flags()
{
    local flags=""
    local build=$1
    local cpu=$2
    local build_flags=""

    #echo get flags: build = $build  cpu = $cpu

    external_flags=""

    case "$build" in
    "UP" )	build_flags=$UP_FLAGS;;
    "BOOT" )	build_flags=${BOOT_FLAGS};;
    "SMP" )	build_flags=${SMP_FLAGS};;
    "HUGEMEM" )	build_flags=${HUGEMEM_FLAGS};;
    "BIGMEM" )	build_flags=${BIGMEM_FLAGS};;
    esac

    case "$cpu" in
    "i386" ) build_flags="${build_flags} ${i386_FLAGS}";;
    "i686" ) build_flags="${build_flags} ${i686_FLAGS}";;
    "athlon" ) build_flags="${build_flags} ${athlon_FLAGS}";;
    esac

    flags="${flags}${build_flags} "
    external_flags="$external_flags $flags"
}



dir=`pwd`
rm -rf temp
mkdir -p temp
mkdir -p files

for inc in $(ls -1 ${1}) ; do	
	target=${inc}
	echo "target = ${target}"
	
        isEL=`echo $target| grep -c ".EL"`
	if [ ${isEL} != 0 ] ; then
	    largemem="HUGEMEM"
	else
	    largemem="BIGMEM"
	fi
	for build in 'UP' 'BOOT' 'SMP' ${largemem}; do
		if [ "$build" == "UP" ]; then
			build1=""
		else
			build1=${build}
		fi
		echo "Creating ${target}${build1}..."
		rm -rf temp/${target}${build1}
                cd ..
		make clean

		if [ "$build" == "BOOT" ] ; then
			mkdir -p ${dir}/temp/${target}${build1}
                        cpu="i386"
                        get_flags $build $cpu $external_flags
			echo $external_flags
			echo "Compiling $target $build for ${cpu} cpu..."
                        make -s "KERNEL_SRC=${1}/${inc}" "EXTERNAL_CFLAGS=${external_flags}"
			if [ ! -f mv_sata.o ] ; then
				echo "failed to make mv_sata.o from ${inc}${build11}"
				exit 1
			fi
			cp -f mv_sata.o ${dir}/temp/${target}${build1}
			if [ $? -ne 0 ]; then
				echo "failed to copy mv_sata.o to ${target}${build1}"
				exit 1
			fi
		else
			if [ ${isEL} != 0 ] ; then
			    for cpu in 'i686' 'athlon'; do
				mkdir -p ${dir}/temp/${target}${build1}/${cpu}
				get_flags $build $cpu
				echo $external_flags
                                make clean
				echo "Compiling $target $build for ${cpu} cpu..."
				make -s "KERNEL_SRC=${1}/${inc}" "EXTERNAL_CFLAGS=${external_flags}"
				if [ ! -f mv_sata.o ] ; then
					echo "failed to make mv_sata.o from ${inc}${build1}"
					exit 1
				fi
				cp -f mv_sata.o ${dir}/temp/${target}${build1}/${cpu}
				if [ $? -ne 0 ]; then
					echo "failed to copy mv_sata.o to ${target}${build1}"
					exit 1
				fi
			    done
			else
                                cpu=`uname -p`
				mkdir -p ${dir}/temp/${target}${build1}
				get_flags $build $cpu
				echo $external_flags
                                make clean
				echo "Compiling $target $build for ${cpu} cpu..."
				make -s "KERNEL_SRC=${1}/${inc}" "EXTERNAL_CFLAGS=${external_flags}"
				if [ ! -f mv_sata.o ] ; then
					echo "failed to make mv_sata.o from ${inc}${build1}"
					exit 1
				fi
				cp -f mv_sata.o ${dir}/temp/${target}${build1}
				if [ $? -ne 0 ]; then
					echo "failed to copy mv_sata.o to ${target}${build1}"
					exit 1
				fi
			fi
		fi

		cd ${dir}
	done
done

cd ${dir}/temp

echo "Modules list:"
ls -1 -R */*.o
find .

# Remove old modules.cgz (if exists)
rm -f modules.cgz

# create modules.cgz
find .|cpio -o -Hcrc|gzip -9> modules.cgz
if [ $? -ne 0 ]; then
   echo "failed to create modules.cgz"
   exit 1
fi
mv modules.cgz ${dir}/files
cd ..
rm -rf temp
echo "modules.cgz created successfully."