#################################
# Author: Sravanthi Kota Venkata
#################################
SHELL := /bin/bash

# Define MATLAB-PATH with the path to the MATLAB package
MATLAB_PATH = /pkg/bin/matlab
ifeq ($(filter matlab-run,$(MAKECMDGOALS)),matlab-run)
ifneq ($(wildcard $(MATLAB_PATH)),$(MATLAB_PATH))
$(error Please set the appropriate MATLAB path in MATLAB_PATH variable)
endif
endif

ifeq ($(filter mcc-run,$(MAKECMDGOALS)),mcc-run)
ifneq ($(wildcard $(MATLAB_PATH)),$(MATLAB_PATH))
$(error Please set the appropriate MATLAB path in MATLAB_PATH variable)
endif
endif

CC=gcc
LIBEXTRA ?= $(TOP_DIR)/../
override CFLAGS += -DGCC -D$(INPUT) -pthread -I${LIBEXTRA}
COMMON_DIR := $(TOP_DIR)/common/c
M_COMMON := $(TOP_DIR)/common/matlab
M_TOOLBOX=$(TOP_DIR)/common/toolbox
TIMING_DIR := $(TOP_DIR)/cycles/$(BMARK)
TIMES_DIR := $(TOP_DIR)/times/$(BMARK)
PRELOAD_TIMES_DIR := $(TOP_DIR)/preload-times/$(BMARK)
MTIMING_DIR := $(TOP_DIR)/cycles/$(BMARK)
BMARK_DIR := $(TOP_DIR)/benchmarks/$(BMARK)
TOOL_DIR := $(TOP_DIR)/tools
LIBLITMUS ?= /playpen/mc2/liblitmus
ifneq ($(shell grep "define LITMUS 1" ${TOP_DIR}/../extra.h),)
	override CFLAGS += -I${LIBLITMUS}/include -I${LIBLITMUS}/arch/arm/include
	override LDFLAGS += -L${LIBLITMUS} -llitmus
endif
#The options set below and specific to each benchmark. Disparity takes 2 input images, whereas Tracking can take any >1 input images =.

# Variables exported from the benchmark specific Makefiles:
# BMARK
# INPUT - sqcif/qcif/cif

# Matlab source, data and result directory

M_DIR=$(BMARK_DIR)/src/matlab
M_DATA=$(BMARK_DIR)/data/$(INPUT)
M_RESULT=$(BMARK_DIR)/result

# C source, data and result directory

C_DIR=$(BMARK_DIR)/src/c
DATA_DIR=$(BMARK_DIR)/data/$(INPUT)
C_RESULT=$(M_RESULT)

# Source files for C and Common folders

C_SRC := $(wildcard $(C_DIR)/*.c)
COMMON_SRC := $(wildcard $(COMMON_DIR)/*.c)

# RULES

EXE =
INCLUDES = -I$(COMMON_DIR) -I$(C_DIR)
COMPILE_C = $(CC) $(CFLAGS) $(INCLUDES) -O2
#COMPILE_C = $(CC) $(CFLAGS) -DGENERATE_OUTPUT -lm -O2 $(INCLUDES)
COMPILE_G = $(CC) $(CFLAGS) -g -lm $(INCLUDES)
COMPILE_PG = $(COMPILE_G) -pg

preload-run: compile
	@echo preloaded timing
	@echo 3 | tee /proc/sys/vm/drop_caches
	@find ./ -iname "*.bmp" -exec sh -c '$(TOOL_DIR)/preload {} &' \;
	@find ./ -iname "*.txt" -exec sh -c '$(TOOL_DIR)/preload {} &' \;
	mkdir -p $(PRELOAD_TIMES_DIR)
	@echo -e "Data set\t\t- $(INPUT)" 
	(time ./$(BMARK)$(EXE) $(DATA_DIR))  |& tee $(PRELOAD_TIMES_DIR)/T_$(INPUT).txt
	@kill -2 `pgrep preload`

time-run: compile
	mkdir -p $(TIMES_DIR)
	@echo -e "Data set\t\t- $(INPUT)" 
	@echo 3 | tee /proc/sys/vm/drop_caches
	(time ./$(BMARK)$(EXE) $(DATA_DIR))  |& tee $(TIMES_DIR)/T_$(INPUT).txt

c-run: compile
	@echo -e "Data set\t\t- $(INPUT)" 
	mkdir -p $(TIMING_DIR)
	@./$(BMARK)$(EXE) $(DATA_DIR) $(C_RESULT) | tee $(TIMING_DIR)/C_$(INPUT).txt

run: compile
	@echo -e "Data set\t\t- $(INPUT)" 
	@./$(BMARK)$(EXE) $(DATA_DIR) $(C_RESULT)

rt-run: compile
	@echo -e "Data set\t\t- $(INPUT)" 
	@./$(BMARK)$(EXE) $(BMARK)-$(INPUT) 5 0 12345 1

debug:
	@echo Running Debug C Version of the benchmark
	@$(COMPILE_G) $(COMMON_SRC) $(C_SRC) -o $(BMARK)$(EXE)
	@valgrind --leak-check=full ./$(BMARK)$(EXE) $(DATA_DIR) $(C_RESULT)
	#@gdb ./$(BMARK)$(EXE) $(DATA_DIR) $(C_RESULT)

profile: compile-prof
	@echo -e "Data set\t\t- $(INPUT)" 
	@./$(BMARK)$(EXE) $(DATA_DIR) $(C_RESULT)
	@gprof $(BMARK)$(EXE)
	
compile-preload: 
	@$(COMPILE_C) $(TOOL_DIR)\preload.c -o $(TOOL_DIR)\preload

compile: $(C_SRC)
	@echo 
	@echo -e "Benchmark\t\t- $(BMARK)"
	@$(COMPILE_C) $(COMMON_SRC) $(C_SRC) -lrt -lm $(LDFLAGS) -w -o $(BMARK)$(EXE)

compile-prof: $(C_SRC)
	@echo 
	@echo -e "Benchmark\t\t- $(BMARK)"
	@$(COMPILE_PG) $(COMMON_SRC) $(C_SRC) -o $(BMARK)$(EXE)

matlab-run:
	@echo 
	@echo -e "Benchmark\t\t- $(BMARK)"
	@echo -e "Data set\t\t- $(INPUT)" 
	@cd $(M_DIR); $(MATLAB_PATH) -glnx86 -nosplash -nodisplay -r "script_run_profile('$(M_DATA)', '$(M_RESULT)', '$(INPUT)', '$(M_COMMON)', '$(M_TOOLBOX)'); quit" | tee $(MTIMING_DIR)/Matlab_$(INPUT).txt

mcc-run:
	@echo Generating a C standalone application
	cd $(M_DIR); $(MATLAB_PATH) -nosplash -nodesktop -r "mcc -m -v script_run_profile -d $(M_RESULT); quit"
	
all: c-run matlab-run mcc-run

clean:
	@-rm $(BMARK)