#!/usr/bin/env bash

if [ "$#" -lt "2" ]
then
	echo "USAGE: $0 <EMBEDDED_SDK> <ISW_HANDOFF> <BOARD_DIRECTORY>"
	echo "EXAMPLE: $0 ~/altera-embedded-sdk/ ~/cv_soc_devkit_ghrd/hps_isw_handoff/soc_system_hps_0/ arch/arm/boards/altera-socdk"
	exit 1
fi

splroot="$(mktemp -d)"
embeddedsw=$1
handoff=$2
boardroot=$3
bareboxsrc=.

cd ${bareboxsrc}

copy_source() {
	local src
	local tgt
	src=$1
	tgt=$2

	echo "Merging source code $src to $tgt"

	cp $src $tgt

	unifdef -D HCX_COMPAT_MODE=1 -D ENABLE_INST_ROM_WRITE=1 $tgt -o $tgt

	echo "	Fixing extern/static keywords..."
	# Statify all global variables with missing static keyword
	sed -i 's/^const /static const /g' $tgt
	sed -i 's/^unsigned long sys_mgr_init_table/static unsigned long sys_mgr_init_table/g' $tgt

	echo "	Remove unused defines..."
	sed -i 's/\[CONFIG_HPS_PINMUX_NUM\]/\[\]/g' $tgt

	echo "	Translating altera int types..."
	# Replace altera types
	sed -i 's/alt_u32/uint32_t/g' $tgt
	sed -i 's/alt_u16/uint16_t/g' $tgt
	sed -i 's/alt_16/int16_t/g' $tgt
	sed -i 's/alt_32/int32_t/g' $tgt
	sed -i 's/alt_u8/uint8_t/g' $tgt
	sed -i 's/alt_8/int8_t/g' $tgt
	sed -i 's/#include "alt_types.h"//g' $tgt

	echo "	Fixing include pathes..."
	# Fix include pathes
	sed -i 's/#include <iocsr_config_cyclone5.h>/#include <mach\/cyclone5-scan-manager.h>/g' $tgt
	sed -i 's/#include <pinmux_config.h>/#include <common.h>/g' $tgt
	sed -i 's/#include "sequencer_auto.h"//g' $tgt
	sed -i 's/#include "sequencer_defines.h"//g' $tgt

	echo "	Automated readability fixup..."
	indent -npro -kr -i8 -ts8 -sob -l100 -ss -ncs -cp1 -il0 $tgt
	sed -i 's/ $//g' $tgt
}

python2.7 ${embeddedsw}/embedded/ip/altera/preloader/scripts/iswgen.py -i ${handoff} -o ${splroot}/

copy_source ${splroot}/iocsr_config_cyclone5.c ${boardroot}/iocsr_config_cyclone5.c
copy_source ${splroot}/pinmux_config_cyclone5.c ${boardroot}/pinmux_config.c
copy_source ${splroot}/pll_config.h ${boardroot}/pll_config.h
copy_source ${splroot}/sdram/sdram_config.h ${boardroot}/sdram_config.h

copy_source ${handoff}/sequencer_auto.h ${boardroot}/sequencer_auto.h
copy_source ${handoff}/sequencer_auto_ac_init.c ${boardroot}/sequencer_auto_ac_init.c
copy_source ${handoff}/sequencer_auto_inst_init.c ${boardroot}/sequencer_auto_inst_init.c
copy_source ${handoff}/sequencer_defines.h ${boardroot}/sequencer_defines.h

rm -r ${splroot}

echo "DONE"