# Copyright (c) 2009-2011, Tor M. Aamodt
# Wilson W.L. Fung, Timothy G. Rogers, Ali Bakhoda
# The University of British Columbia
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# Redistributions in binary form must reproduce the above copyright notice, this
# list of conditions and the following disclaimer in the documentation and/or
# other materials provided with the distribution.
# Neither the name of The University of British Columbia nor the names of its
# contributors may be used to endorse or promote products derived from this
# software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

default: libgpgpu_ptx_sim.a 
 
INTEL=0
DEBUG?=0

CPP = g++ $(SNOW)
CC = gcc $(SNOW)
ifeq ($(INTEL),1)
	CPP = icpc
	CC = icc
endif

CC_VERSION := $(shell gcc --version | perl -ne '/gcc\s+\(.*\)\s+([0-9.]+)/ and print $$1;')
GNUC_CPP0X := $(shell gcc --version | perl -ne 'if (/gcc\s+\(.*\)\s+([0-9.]+)/){ if($$1 >= 4.3) {$$n=1} else {$$n=0;} } END { print $$n; }')

OPT	:=  -O3 -g3 -Wall -Wno-unused-function -Wno-sign-compare
ifeq ($(DEBUG),1)
	OPT := -g3 -Wall  -Wno-unused-function -Wno-sign-compare
endif
OPT += -I$(CUDAHOME)/include 
OPT += -fPIC 

CXX_OPT = $(OPT)
ifeq ($(INTEL),1)
    CXX_OPT += -std=c++0x
else 
ifeq ($(GNUC_CPP0X),1)
    CXX_OPT += -std=c++0x
endif
endif

OUTPUT_DIR=../../$(SIM_OBJ_FILES_DIR)/cuda-sim

OBJS	:= $(OUTPUT_DIR)/ptx_parser.o $(OUTPUT_DIR)/ptx_loader.o $(OUTPUT_DIR)/cuda_device_printf.o $(OUTPUT_DIR)/instructions.o $(OUTPUT_DIR)/cuda-sim.o $(OUTPUT_DIR)/ptx_ir.o $(OUTPUT_DIR)/ptx_sim.o  $(OUTPUT_DIR)/memory.o $(OUTPUT_DIR)/ptx-stats.o $(OUTPUT_DIR)/decuda_pred_table/decuda_pred_table.o $(OUTPUT_DIR)/ptx.tab.o $(OUTPUT_DIR)/lex.ptx_.o $(OUTPUT_DIR)/ptxinfo.tab.o $(OUTPUT_DIR)/lex.ptxinfo_.o

CUDART_VERSION:=$(shell nvcc --version | awk '/release/ {print $$5;}' | sed 's/,//' | sed 's/\./ /' | awk '{printf("%02u%02u", 10*int($$1), 10*$$2);}')

OPT += -DCUDART_VERSION=$(CUDART_VERSION)

SRCS = $(shell ls *.cc)

depend:
	makedepend -p$(OUTPUT_DIR)/ $(SRCS) 2> /dev/null

libgpgpu_ptx_sim.a: $(OBJS) 
	ar rcs $(OUTPUT_DIR)/libgpgpu_ptx_sim.a $(OUTPUT_DIR)/ptx.tab.o $(OUTPUT_DIR)/lex.ptx_.o $(OUTPUT_DIR)/ptxinfo.tab.o $(OUTPUT_DIR)/lex.ptxinfo_.o $(OBJS)

$(OUTPUT_DIR)/ptx.tab.o: ptx.tab.c
	$(CC) -c $(OPT) -DYYDEBUG ptx.tab.c -o $(OUTPUT_DIR)/ptx.tab.o

$(OUTPUT_DIR)/lex.ptx_.o: lex.ptx_.c 
	$(CC) -c $(OPT) lex.ptx_.c -o $(OUTPUT_DIR)/lex.ptx_.o

$(OUTPUT_DIR)/ptxinfo.tab.o: ptxinfo.tab.c
	$(CC) -c $(OPT) -DYYDEBUG ptxinfo.tab.c -o $(OUTPUT_DIR)/ptxinfo.tab.o

$(OUTPUT_DIR)/lex.ptxinfo_.o: lex.ptxinfo_.c
	$(CC) -c $(OPT) lex.ptxinfo_.c -o $(OUTPUT_DIR)/lex.ptxinfo_.o

ptx.tab.c: ptx.y
	bison --name-prefix=ptx_ -v -d ptx.y

ptxinfo.tab.c: ptxinfo.y
	bison --name-prefix=ptxinfo_ -v -d ptxinfo.y

lex.ptx_.c: ptx.l
	flex ptx.l

lex.ptxinfo_.c: ptxinfo.l
	flex ptxinfo.l

clean:
	rm -f *~ *.o *.gcda *.gcno *.gcov libgpgpu_ptx_sim.a \
		ptx.tab.h ptx.tab.c ptx.output lex.ptx_.c \
		ptxinfo.tab.h ptxinfo.tab.c ptxinfo.output lex.ptxinfo_.c \
		instructions.h ptx_parser_decode.def directed_tests.log 
	rm -f decuda_pred_table/*.o

$(OUTPUT_DIR)/%.o: %.c
	$(CC) -c $(OPT) $< -o $(OUTPUT_DIR)/$*.o
$(OUTPUT_DIR)/%.o: %.cc
	$(CPP) -c $(CXX_OPT) $< -o $(OUTPUT_DIR)/$*.o

instructions.h: instructions.cc
	@touch $*.h
	@chmod +w $*.h
	@echo "// DO NOT EDIT THIS FILE! IT IS AUTOMATICALLY GENERATED BY THE MAKEFILE (see target for instructions.h)" > $*.h
	@echo "#include \"ptx_ir.h\"" >> $*.h
	@echo "#ifndef instructions_h_included" >> $*.h
	@echo "#define instructions_h_included" >> $*.h
	@echo "#ifdef __cplusplus" >> $*.h
	@echo "extern \"C\" {" >> $*.h
	@echo "#endif" >> $*.h
	@cat $< | grep "_impl(" | sed 's/{.*//' | sed 's/$$/;/' >> $*.h
	@echo "#ifdef __cplusplus" >> $*.h
	@echo "}" >> $*.h
	@echo "#endif" >> $*.h
	@echo "#endif" >> $*.h
	@chmod -w $*.h
	@echo "created instructions.h"

ptx_parser_decode.def: ptx.tab.c
ifeq ($(shell uname),Linux)
	cat ptx.tab.h | grep "=" | sed 's/^[ ]\+//' | sed 's/[=,]//g' | sed 's/\([_A-Z1-9]\+\)[ ]\+\([0-9]\+\)/\1 \1/' | sed 's/^/DEF(/' | sed 's/ /,"/' | sed 's/$$/")/' > ptx_parser_decode.def
else
	cat ptx.tab.h | grep "=" | sed -E 's/^ +//' | sed 's/[=,]//g' | sed -E 's/([_A-Z1-9]+).*/\1 \1/' | sed 's/^/DEF(/' | sed 's/ /,"/' | sed 's/$$/")/' > ptx_parser_decode.def
endif

$(OUTPUT_DIR)/instructions.o: instructions.h ptx.tab.c
$(OUTPUT_DIR)/cuda_device_printf.o: ptx.tab.c
$(OUTPUT_DIR)/ptx_ir.o: ptx.tab.c ptx_parser_decode.def
$(OUTPUT_DIR)/ptx_loader.o: ptx.tab.c ptx_parser_decode.def
$(OUTPUT_DIR)/ptx_parser.o: ptx.tab.c ptx_parser_decode.def
$(OUTPUT_DIR)/ptxinfo.tab.o: ptx.tab.c
$(OUTPUT_DIR)/ptx-stats.o: ptx.tab.c
$(OUTPUT_DIR)/ptx_sim.o: ptx.tab.c
$(OUTPUT_DIR)/cuda-sim.o: ptx.tab.c
$(OUTPUT_DIR)/lex.ptxinfo_.o: ptx.tab.c
$(OUTPUT_DIR)/lex.ptx_.o: ptx.tab.c

# DO NOT DELETE