# Copyright (c) Efabless Corporation. All rights reserved.
# See LICENSE file in the project root for full license information.
proc set_def {def} {
	set ::env(CURRENT_DEF) $def
	set replace [string map {/ \\/} $def]
	exec sed -i -e "s/\\(set ::env(CURRENT_DEF)\\).*/\\1 $replace/" "$::env(GLB_CFG_FILE)"
}

proc prep {args} {
	set ::env(timer_start) [clock seconds]
	source $::env(OPENLANE_ROOT)/scripts/utils/utils.tcl
	set ::env(SCRIPTS_DIR) 	"$::env(OPENLANE_ROOT)/scripts/"
	set ::env(PATH) "$::env(PATH):$::env(SCRIPTS_DIR)/pdn/src/scripts"
	set ::env(TCLLIBPATH) "$::env(SCRIPTS_DIR)/pdn/src/scripts"
	foreach tcl_file [glob $::env(SCRIPTS_DIR)/utils/*.tcl] {
		source $tcl_file
	}
	foreach tcl_file [glob $::env(SCRIPTS_DIR)/tcl_commands/*.tcl] {
		if {[string first "pkgIndex.tcl" $tcl_file 0] == -1} {
			source $tcl_file
		}
	}

	set options {{-design required} \
			{-tag optional} \
			{-config optional} \
		}

	set flags {-init_design_config -disable_output -overwrite}

	set args_copy $args
	parse_key_args "flow.tcl" args arg_values $options flags_map $flags


	if { [info exists arg_values(-config)] } {
		set config_tag $arg_values(-config)
	} else {
		set config_tag "config"
	}

	if { [info exist flags_map(-init_design_config)] } {
		set config_tag "config"
		if { [info exist arg_values(-tag) ] } {
			set config_tag $arg_values(-tag)
		}
		init_design $arg_values(-design) $config_tag
		exit
	}

	if { ! [info exist flags_map(-disable_output)] } {
		set ::env(TERMINAL_OUTPUT) "/dev/tty"
	} else {
		set ::env(TERMINAL_OUTPUT) "/dev/null"
	}

	set ::env(datetime) [clock format [clock seconds] -format %d-%m_%H-%M]
	if { [lsearch -exact $args_copy -tag ] >= 0} {
		set tag "$arg_values(-tag)"
	} else {
		set tag $::env(datetime)
	}

	
	#set flow_config "./configuration/flow_default.tcl"
	set ::env(CONFIGS) [glob $::env(OPENLANE_ROOT)/configuration/*.tcl]
	set ::env(DESIGN_DIR) [file normalize $arg_values(-design)]
	if { ![file exists $::env(DESIGN_DIR)] } {
		set ::env(DESIGN_DIR) [file normalize $::env(OPENLANE_ROOT)/designs/$arg_values(-design)/]
	}
	set ::env(DESIGN_CONFIG) $::env(DESIGN_DIR)/$config_tag.tcl

	foreach config $::env(CONFIGS) {
		source $config
	}

	source $::env(DESIGN_CONFIG)
	set pdk_config $::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/config.tcl
	set pdk_variant_config $::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(PDK_VARIANT)/config.tcl
	source $pdk_config
	source $pdk_variant_config
	source $::env(DESIGN_CONFIG)

	#
	############################
	# Prep directories and files
	############################
	#
	set ::env(RUN_TAG)	"$tag"
	set ::env(RUN_DIR) 	"$::env(DESIGN_DIR)/runs/$tag/"
	set ::env(RESULTS_DIR) 	"$::env(DESIGN_DIR)/runs/$tag/results/"
	set ::env(TMP_DIR) 	"$::env(DESIGN_DIR)/runs/$tag/tmp/"
	set ::env(LOG_DIR) 	"$::env(DESIGN_DIR)/runs/$tag/logs/"
	set ::env(REPORTS_DIR) 	"$::env(DESIGN_DIR)/runs/$tag/reports/"
	set ::env(GLB_CFG_FILE) "$::env(DESIGN_DIR)/runs/$tag/config.tcl"

	if { [file exists $::env(RUN_DIR)] } {
		if { [info exists flags_map(-overwrite)] } {
			puts "Removing exisiting run $::env(RUN_DIR)"
			exec rm -r $::env(RUN_DIR)
		} else {
			puts "A run for $::env(DESIGN_NAME) with tag: $tag already exists pass -overwrite option to overwrite it"
		}
	}

	if { [file exists $::env(GLB_CFG_FILE)] } {
		if { [info exist flags_map(-overwrite)] } {
			puts "Removing $::env(GLB_CFG_FILE)"
			exec rm $::env(GLB_CFG_FILE)
		} else {
			puts "sourcing $::env(GLB_CFG_FILE)"	
			source $::env(GLB_CFG_FILE)
		}
	}
	set tmp_output {
		{yosys "synthesis/yosys"}
		{opensta synthesis/opensta}
		{verilog2def floorplan/verilog2def}
		{ioPlacer floorplan/ioPlacer}
		{pdn floorplan/pdn}
		{tapcell floorplan/tapcell}
		{replaceio placement/replace}
		{psn placement/psn}
		{opendp placement/opendp}
		{addspacers routing/addspacers}
		{fastroute routing/fastroute}
		{tritonRoute routing/tritonRoute}
		{magic magic/magic}
		{cts cts/cts}
		{lvs lvs/lvs}
	}

	set final_output \
		[list  \
			[list yosys synthesis/$::env(DESIGN_NAME).synthesis] \
			[list tapcell floorplan/$::env(DESIGN_NAME).floorplan] \
			[list opendp placement/$::env(DESIGN_NAME).placement] \
			[list tritonRoute routing/$::env(DESIGN_NAME).routing] \
			[list cts cts/$::env(DESIGN_NAME).cts] \
			[list magic magic/$::env(DESIGN_NAME).magic] \
			[list lvs lvs/$::env(DESIGN_NAME).lvs] \
		]

	array set results_file_name [make_array $final_output $::env(RESULTS_DIR)]
	array set reports_file_name [make_array $tmp_output $::env(REPORTS_DIR)]
	array set logs_file_name [make_array $tmp_output $::env(LOG_DIR)]
	array set tmp_file_name [make_array $tmp_output $::env(TMP_DIR)]

	foreach {key value} [array get results_file_name] {
		set ::env(${key}_result_file_tag) $value
	}
	foreach {key value} [array get reports_file_name] {
		set ::env(${key}_report_file_tag) $value
	}
	foreach {key value} [array get logs_file_name] {
		set ::env(${key}_log_file_tag) $value
	}
	foreach {key value} [array get tmp_file_name] {
		set ::env(${key}_tmp_file_tag) $value
	}


	exec mkdir -p $::env(RESULTS_DIR) $::env(TMP_DIR) $::env(LOG_DIR) $::env(REPORTS_DIR)

	set stages {synthesis floorplan placement cts routing magic lvs}
	foreach stage $stages {
		exec mkdir -p $::env(RESULTS_DIR)/$stage \
			$::env(TMP_DIR)/$stage  \
			$::env(LOG_DIR)/$stage \
			$::env(REPORTS_DIR)/$stage
	}
	
	# merge cells 
	exec $::env(SCRIPTS_DIR)/mergeLef.py -i $::env(TECH_LEF) $::env(CELLS_LEF) -o $::env(TMP_DIR)/merged_unpadded.lef |& tee $::env(TERMINAL_OUTPUT)
	set ::env(MERGED_LEF_UNPADDED) $::env(TMP_DIR)/merged_unpadded.lef

	# pad lef
	set ::env(CELLS_LEF_UNPADDED) $::env(TMP_DIR)/merged_unpadded.lef
	try_catch $::env(SCRIPTS_DIR)/padLefMacro.py -s $::env(PLACE_SITE) -r $::env(CELL_PAD) -i $::env(CELLS_LEF_UNPADDED) -o $::env(TMP_DIR)/merged.lef -e "$::env(CELL_PAD_EXECLUDE)" |& tee $::env(TERMINAL_OUTPUT)

	set ::env(CELLS_LEF) $::env(TMP_DIR)/merged.lef
	if { $::env(USE_GPIO_PADS) } {
		exec cp $::env(CELLS_LEF) $::env(CELLS_LEF).old
		exec $::env(SCRIPTS_DIR)/mergeLef.py -i $::env(CELLS_LEF).old {*}$::env(GPIO_PADS_LEF) -o $::env(CELLS_LEF)
	}
	
	set ::env(MERGED_LEF) $::env(CELLS_LEF)

	# trim libs
	set trimmed_lib $::env(TMP_DIR)/trimmed.lib
	if { ![info exists $trimmed_lib] } {
		puts $::env(LIB_SYNTH)
		exec $::env(SCRIPTS_DIR)/libtrim.pl $::env(PDK_VARIANT) $::env(LIB_SYNTH) > $trimmed_lib
		set ::env(LIB_SYNTH) $trimmed_lib
	}
	
	set tracks_copy $::env(TMP_DIR)/tracks_copy.info
	exec cp $::env(TRACKS_INFO_FILE) $tracks_copy

	# change to system verilog
	#if {$::env(SYSTEM_VERILOG)} {
	#	foreach verilogfile $::env(VERILOG_FILES) {
	#		system_verilog_2_verilog \
	#			-include $::env(VERILOG_FILES) \
	#			-input $verilogfile \
	#			-output [file rootname $verilogfile].v \
	#			-define SYNTHESIS 
	#	}
	#}

	set util $::env(FP_CORE_UTIL)
	set density $::env(PL_TARGET_DENSITY)

	# Fill config file
	#General
	exec echo "# General config" > $::env(GLB_CFG_FILE)
	set_log ::env(PDK) $::env(PDK) $::env(GLB_CFG_FILE) 1
	set_log ::env(PDK_VARIANT) $::env(PDK_VARIANT) $::env(GLB_CFG_FILE) 1
	set_log ::env(PDK_ROOT) $::env(PDK_ROOT) $::env(GLB_CFG_FILE) 1
	set_log ::env(CELL_PAD) $::env(CELL_PAD) $::env(GLB_CFG_FILE) 1
	set_log ::env(MERGED_LEF) $::env(MERGED_LEF) $::env(GLB_CFG_FILE) 1
	set_log ::env(TRACKS_INFO_FILE) $::env(TRACKS_INFO_FILE) $::env(GLB_CFG_FILE) 1
	set_log ::env(TECH_LEF) $::env(TECH_LEF) $::env(GLB_CFG_FILE) 1
	# Design
	exec echo "# Design config" >> $::env(GLB_CFG_FILE)
	set_log ::env(CLOCK_PERIOD) $::env(CLOCK_PERIOD) $::env(GLB_CFG_FILE) 1
	# Synthesis
	exec echo "# Synthesis config" >> $::env(GLB_CFG_FILE)
	set_log ::env(LIB_SYNTH) $::env(LIB_SYNTH) $::env(GLB_CFG_FILE) 1
	set_log ::env(SYNTH_DRIVING_CELL) $::env(SYNTH_DRIVING_CELL) $::env(GLB_CFG_FILE) 1
	set_log ::env(SYNTH_CAP_LOAD) $::env(SYNTH_CAP_LOAD) $::env(GLB_CFG_FILE) 1; # femtofarad
	set_log ::env(SYNTH_MAX_FANOUT) $::env(SYNTH_MAX_FANOUT)  $::env(GLB_CFG_FILE) 1
	if { [info exist ::env(SYNTH_MAX_TRAN)] } {
		set_log ::env(SYNTH_MAX_TRAN) $::env(SYNTH_MAX_TRAN) $::env(GLB_CFG_FILE) 1
	} else {
		set_log ::env(SYNTH_MAX_TRAN) "\[\expr {0.1*$::env(CLOCK_PERIOD)}\]" $::env(GLB_CFG_FILE) 1
	}
	set_log ::env(LIB_MIN) $::env(LIB_MIN) $::env(GLB_CFG_FILE) 1
	set_log ::env(LIB_MAX) $::env(LIB_MAX) $::env(GLB_CFG_FILE) 1
	set_log ::env(LIB_TYPICAL) $::env(LIB_TYPICAL) $::env(GLB_CFG_FILE) 1
	if { $::env(SYNTH_TOP_LEVEL) } {
	set_log ::env(SYNTH_SCRIPT) "$::env(OPENLANE_ROOT)/scripts/synth_top.tcl" $::env(GLB_CFG_FILE) 0
	} else {
	set_log ::env(SYNTH_SCRIPT) "$::env(OPENLANE_ROOT)/scripts/synth.tcl" $::env(GLB_CFG_FILE) 0
	}
	set_log ::env(SYNTH_STRATEGY) $::env(SYNTH_STRATEGY) $::env(GLB_CFG_FILE) 1
	set_log ::env(CLOCK_BUFFER_FANOUT) $::env(CLOCK_BUFFER_FANOUT) $::env(GLB_CFG_FILE) 1
	set_log ::env(SYNTH_OPT) 0 $::env(GLB_CFG_FILE) 0

	# Floorplan
	exec echo "# Floorplan config" >> $::env(GLB_CFG_FILE)
	set_log ::env(FP_SIZING) $::env(FP_SIZING) $::env(GLB_CFG_FILE) 0; # absolute, relative
	set_log ::env(FP_CORE_UTIL) $util $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_ASPECT_RATIO) $::env(FP_ASPECT_RATIO) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_CORE_MARGIN) $::env(FP_CORE_MARGIN) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_IO_HMETAL) $::env(FP_IO_HMETAL) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_IO_VMETAL) $::env(FP_IO_VMETAL) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_IO_RANDOM) 2 $::env(GLB_CFG_FILE) 0; #0 (default, disabled) 1 fully random, 2 evenly distributed, 3 group on the middle of core edge
	set_log ::env(FP_WELLTAP_CELL) $::env(FP_WELLTAP_CELL) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_ENDCAP_CELL) $::env(FP_ENDCAP_CELL) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_PDN_VOFFSET) $::env(FP_PDN_VOFFSET) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_PDN_VPITCH) $::env(FP_PDN_VPITCH) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_PDN_HOFFSET) $::env(FP_PDN_HOFFSET) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_PDN_HPITCH) $::env(FP_PDN_HPITCH) $::env(GLB_CFG_FILE) 1
	set_log ::env(FP_TAPCELL_DIST) $::env(FP_TAPCELL_DIST) $::env(GLB_CFG_FILE) 1

	# Placement
	exec echo "# Placement config" >> $::env(GLB_CFG_FILE)
	set_log ::env(PL_TARGET_DENSITY) $density $::env(GLB_CFG_FILE) 1
	set_log ::env(PL_INIT_COEFF) 0.00002 $::env(GLB_CFG_FILE) 0
	set_log ::env(PL_TIME_DRIVEN) $::env(PL_TIME_DRIVEN) $::env(GLB_CFG_FILE) 1
	set_log ::env(PL_LIB) $::env(PL_LIB) $::env(GLB_CFG_FILE) 1
	set_log ::env(PL_IO_ITER) 5 $::env(GLB_CFG_FILE) 0

	# CTS
	exec echo "# CTS config" >> $::env(GLB_CFG_FILE)
	set_log ::env(CTS_TARGET_SKEW) $::env(CTS_TARGET_SKEW) $::env(GLB_CFG_FILE) 1
	set_log ::env(CTS_ROOT_BUFFER) $::env(CTS_ROOT_BUFFER) $::env(GLB_CFG_FILE) 1
	set_log ::env(CTS_TECH_DIR) $::env(CTS_TECH_DIR) $::env(GLB_CFG_FILE) 1
	set_log ::env(CTS_TOLERANCE) $::env(CTS_TOLERANCE) $::env(GLB_CFG_FILE) 1

	# ROUTING
	exec echo "# Routing config" >> $::env(GLB_CFG_FILE)
	set_log ::env(GLB_RT_MAXLAYER) $::env(GLB_RT_MAXLAYER) $::env(GLB_CFG_FILE) 1
	set_log ::env(GLB_RT_ADJUSTMENT) $::env(GLB_RT_ADJUSTMENT) $::env(GLB_CFG_FILE) 1
	set_log ::env(GLB_RT_LI1_ADJUSTMENT) $::env(GLB_RT_LI1_ADJUSTMENT) $::env(GLB_CFG_FILE) 1
	set_log ::env(GLB_RT_MET1_ADJUSTMENT) $::env(GLB_RT_MET1_ADJUSTMENT) $::env(GLB_CFG_FILE) 1
	set_log ::env(GLB_RT_MINLAYER) $::env(GLB_RT_MINLAYER) $::env(GLB_CFG_FILE) 1
	set_log ::env(GLB_RT_MAXLAYER) $::env(GLB_RT_MAXLAYER) $::env(GLB_CFG_FILE) 1

	# Flow control
	exec echo "# Flow control config" >> $::env(GLB_CFG_FILE)
	set_log ::env(RUN_MAGIC) $::env(RUN_MAGIC) $::env(GLB_CFG_FILE) 1
	set_log ::env(RUN_SIMPLE_CTS) $::env(RUN_SIMPLE_CTS) $::env(GLB_CFG_FILE) 1
	set_log ::env(RUN_ROUTING_DETAILED) $::env(RUN_ROUTING_DETAILED) $::env(GLB_CFG_FILE) 1
	set_log ::env(CLOCK_TREE_SYNTH) $::env(CLOCK_TREE_SYNTH) $::env(GLB_CFG_FILE) 1
	set_log ::env(FILL_INSERTION) $::env(FILL_INSERTION) $::env(GLB_CFG_FILE) 1

	if { [info exists ::env(CURRENT_DEF)] } {
		set_log ::env(CURRENT_DEF) $::env(CURRENT_DEF) $::env(GLB_CFG_FILE) 1
	} else {
		set ::env(CURRENT_DEF) 0
		set_log ::env(CURRENT_DEF) $::env(CURRENT_DEF) $::env(GLB_CFG_FILE) 1
	}

	puts "Done"
	return 0
}

proc run_cts {args} {

# |----------------------------------------------------|
# |----------------   4. CTS --------------------------|
# |----------------------------------------------------|
	set ::env(CURRENT_STAGE) cts
	if {![info exists ::env(OPENROAD)]} {
		set ::env(OPENROAD) ~/.local/bin
	}

	TIMER::timer_start
	if {$::env(CLOCK_TREE_SYNTH)} {
		exec openroad < $::env(OPENLANE_ROOT)/scripts/cts.tcl |& tee $::env(TERMINAL_OUTPUT)
		exit
#		set_core_dims \
#			-log_path $::env(verilog2def_log_file_tag).log \
#
#		gen_cts_config \
#			-verilog $::env(yosys_result_file_tag).v \
#			-def $::env(opendp_result_file_tag).def \
#			-root_buffer $::env(CTS_ROOT_BUFFER) \
#			-target_skew $::env(CTS_TARGET_SKEW) \
#			-output $::env(cts_tmp_file_tag).config \
#			-toler $::env(CTS_TOLERANCE)
#
#		gen_clock_tree \
#			-config $::env(cts_tmp_file_tag).config
#		eval exec mv [glob $::env(RESULTS_DIR)/cts/*] $::env(TMP_DIR)/cts/
#		exec mv $::env(TMP_DIR)/cts/$::env(DESIGN_NAME).cts.v $::env(RESULTS_DIR)/cts/$::env(DESIGN_NAME).cts.v
#		exec mv $::env(TMP_DIR)/cts/$::env(DESIGN_NAME).cts.def $::env(RESULTS_DIR)/cts/$::env(DESIGN_NAME).cts.def
	} else {
		exec echo "SKIPPED!" >> $::env(cts_log_file_tag).log
		try_catch cp $::env(opendp_result_file_tag).def $::env(cts_result_file_tag).def
	}
	TIMER::timer_stop
	exec echo "[TIMER::get_runtime]" >> $::env(cts_log_file_tag)_runtime.txt
}

proc run_magic {args} {
# |----------------------------------------------------|
# |----------------   6. TAPE-OUT ---------------------|
# |----------------------------------------------------|
	if {$::env(RUN_MAGIC)} {
		puts "Streaming out GDS II..."
		set ::env(CURRENT_STAGE) finishing
		if {[catch {exec tclsh $::env(SCRIPTS_DIR)/run_magic.tcl} issue]} { }
#		set PDKPATH $::env(PDK_ROOT)/$::env(PDK)/ 
#		set tech $PDKPATH/libs.tech/magic/current/EFS8A.tech
#		cd $::env(TMP_DIR)
#		exec /ef/apps/bin/magicGdrc -T $tech $::env(magic_result_file_tag).gds $::env(DESIGN_NAME) \
			|& tee $::env(TERMINAL_OUTPUT) $::env(magic_log_file_tag).drc
	}
}

proc run_magic_drc {args} {
	set magicrc $::env(TMP_DIR)/magic.magicrc
	set ::env(PDKPATH) "$::env(PDK_ROOT)/ef-skywater-s8/EFS8A"
	set ::env(MAGPATH) "$::env(PDKPATH)/libs.ref/maglef"
	exec envsubst < $::env(MAGIC_MAGICRC) > $magicrc
	exec magic \
		-noconsole \
		-dnull \
		-rcfile $magicrc \
		$::env(SCRIPTS_DIR)/magic_drc.tcl \
		</dev/null \
		|& tee $::env(TERMINAL_OUTPUT) $::env(magic_log_file_tag)_drc.log
}

proc padframe_gen {args} {
	set pfg_exec $::env(SCRIPTS_DIR)/pfg.py
	set pf_src $::env(DESIGN_DIR)/src
	set pf_src_tmp $::env(TMP_DIR)/src
	file copy $pf_src $pf_src_tmp
	
	fake_display_buffer

	exec $pfg_exec -nogui -tech-path=$::env(PDK_ROOT)/$::env(PDK) \
		-project-path=$pf_src_tmp \
		|& tee $::env(TERMINAL_OUTPUT) $pf_src_tmp/pfg.log
	
	kill_display_buffer
}

package provide openlane 0.9