mirror of
https://github.com/verilator/verilator.git
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230 lines
6.8 KiB
Makefile
230 lines
6.8 KiB
Makefile
# -*- Makefile -*-
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######################################################################
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# DESCRIPTION: Makefile commands for all verilated target files
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#
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# Copyright 2003-2019 by Wilson Snyder. Verilator is free software; you can
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# redistribute it and/or modify it under the terms of either the GNU Lesser
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# General Public License Version 3 or the Perl Artistic License Version 2.0.
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######################################################################
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PERL = @PERL@
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CXX = @CXX@
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LINK = @CXX@
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AR = ar
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RANLIB = ranlib
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CFG_WITH_CCWARN = @CFG_WITH_CCWARN@
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CFG_WITH_LONGTESTS = @CFG_WITH_LONGTESTS@
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# Select newest language
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CFG_CXXFLAGS_STD_NEWEST = @CFG_CXXFLAGS_STD_NEWEST@
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# Select oldest language (for Verilator internal testing only)
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CFG_CXXFLAGS_STD_OLDEST = @CFG_CXXFLAGS_STD_OLDEST@
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# Compiler flags to use to turn off unused and generated code warnings, such as -Wno-div-by-zero
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CFG_CXXFLAGS_NO_UNUSED = @CFG_CXXFLAGS_NO_UNUSED@
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# Compiler flags that turn on extra warnings
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CFG_CXXFLAGS_WEXTRA = @CFG_CXXFLAGS_WEXTRA@
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# Linker libraries for multithreading
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CFG_LDLIBS_THREADS = @CFG_LDLIBS_THREADS@
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######################################################################
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# Programs
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SP_INCLUDER = $(VERILATOR_INCLUDER)
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VERILATOR_COVERAGE = $(PERL) $(VERILATOR_ROOT)/bin/verilator_coverage
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VERILATOR_INCLUDER = $(PERL) $(VERILATOR_ROOT)/bin/verilator_includer
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######################################################################
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# Make checks
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ifneq ($(words $(CURDIR)),1)
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$(error Unsupported: GNU Make cannot build in directories containing spaces, build elsewhere: '$(CURDIR)')
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endif
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######################################################################
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# C Preprocessor flags
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# Add -MMD -MP if you're using a recent version of GCC.
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VK_CPPFLAGS_ALWAYS += \
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-MMD \
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-I$(VERILATOR_ROOT)/include \
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-I$(VERILATOR_ROOT)/include/vltstd \
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-DVL_PRINTF=printf \
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-DVM_COVERAGE=$(VM_COVERAGE) \
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-DVM_SC=$(VM_SC) \
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-DVM_TRACE=$(VM_TRACE) \
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$(CFG_CXXFLAGS_NO_UNUSED) \
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ifeq ($(CFG_WITH_CCWARN),yes) # Local... Else don't burden users
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VK_CPPFLAGS_WALL += -Wall $(CFG_CXXFLAGS_WEXTRA) -Werror
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endif
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CPPFLAGS += -I. $(VK_CPPFLAGS_WALL) $(VK_CPPFLAGS_ALWAYS)
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VPATH += ..
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VPATH += $(VERILATOR_ROOT)/include
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VPATH += $(VERILATOR_ROOT)/include/vltstd
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#OPT = -ggdb -DPRINTINITSTR -DDETECTCHANGE
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#OPT = -ggdb -DPRINTINITSTR
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CPPFLAGS += $(OPT)
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CPPFLAGS += $(M32)
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LDFLAGS += $(M32)
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# Allow upper level user makefiles to specify flags they want.
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# These aren't ever set by Verilator, so users are free to override them.
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CPPFLAGS += $(USER_CPPFLAGS)
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LDFLAGS += $(USER_LDFLAGS)
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LDLIBS += $(USER_LDLIBS)
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# Add flags from -CFLAGS and -LDFLAGS on Verilator command line
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CPPFLAGS += $(VM_USER_CFLAGS)
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LDFLAGS += $(VM_USER_LDFLAGS)
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LDLIBS += $(VM_USER_LDLIBS)
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# See the benchmarking section of bin/verilator.
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# Support class optimizations. This includes the tracing and symbol table.
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# SystemC takes minutes to optimize, thus it is off by default.
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#OPT_SLOW =
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# Fast path optimizations. Most time is spent in these classes.
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#OPT_FAST = -O2 -fstrict-aliasing
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#OPT_FAST = -O
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#OPT_FAST =
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#######################################################################
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##### Aggregates
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VM_CLASSES += $(VM_CLASSES_FAST) $(VM_CLASSES_SLOW)
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VM_SUPPORT += $(VM_SUPPORT_FAST) $(VM_SUPPORT_SLOW)
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#######################################################################
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##### SystemC builds
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ifeq ($(VM_SC),1)
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CPPFLAGS += $(SYSTEMC_CXX_FLAGS) -I$(SYSTEMC_INCLUDE)
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LDFLAGS += $(SYSTEMC_CXX_FLAGS) -L$(SYSTEMC_LIBDIR)
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SC_LIBS = -lsystemc
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ifneq ($(wildcard $(SYSTEMC_LIBDIR)/*numeric_bit*),)
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# Systemc 1.2.1beta
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SC_LIBS += -lnumeric_bit -lqt
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endif
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endif
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#######################################################################
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##### Threaded builds
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ifneq ($(VM_THREADS),0)
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ifneq ($(VM_THREADS),)
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CPPFLAGS += -DVL_THREADED
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VK_LIBS_THREADED=1
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endif
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endif
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ifneq ($(VM_TRACE_THREADED),0)
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ifneq ($(VM_TRACE_THREADED),)
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CPPFLAGS += -DVL_TRACE_THREADED
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VK_LIBS_THREADED=1
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endif
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endif
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ifneq ($(VK_LIBS_THREADED),0)
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ifneq ($(VK_LIBS_THREADED),)
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# Need C++11 at least, so always default to newest
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CPPFLAGS += $(CFG_CXXFLAGS_STD_NEWEST)
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LDLIBS += $(CFG_LDLIBS_THREADS)
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endif
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endif
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#######################################################################
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##### Stub
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preproc:
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#######################################################################
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##### C/H builds
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LIBS += -lm -lstdc++
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#######################################################################
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# Overall Objects Linking
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VK_CLASSES_H = $(addsuffix .h, $(VM_CLASSES))
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VK_CLASSES_CPP = $(addsuffix .cpp, $(VM_CLASSES))
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VK_SUPPORT_CPP = $(addsuffix .cpp, $(VM_SUPPORT))
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VK_USER_OBJS = $(addsuffix .o, $(VM_USER_CLASSES))
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VK_GLOBAL_OBJS = $(addsuffix .o, $(VM_GLOBAL_FAST) $(VM_GLOBAL_SLOW))
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ifneq ($(VM_PARALLEL_BUILDS),1)
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# Fast building, all .cpp's in one fell swoop
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# This saves about 5 sec per module, but can be slower if only a little changes
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VK_OBJS += $(VM_PREFIX)__ALLcls.o $(VM_PREFIX)__ALLsup.o
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all_cpp: $(VM_PREFIX)__ALLcls.cpp $(VM_PREFIX)__ALLsup.cpp
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$(VM_PREFIX)__ALLcls.cpp: $(VK_CLASSES_CPP)
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$(VERILATOR_INCLUDER) -DVL_INCLUDE_OPT=include $^ > $@
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$(VM_PREFIX)__ALLsup.cpp: $(VK_SUPPORT_CPP)
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$(VERILATOR_INCLUDER) -DVL_INCLUDE_OPT=include $^ > $@
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else
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#Slow way of building... Each .cpp file by itself
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VK_OBJS += $(addsuffix .o, $(VM_CLASSES) $(VM_SUPPORT))
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endif
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$(VM_PREFIX)__ALL.a: $(VK_OBJS)
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@echo " Archiving" $@ ...
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$(AR) r $@ $^
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$(RANLIB) $@
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######################################################################
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### Compile rules
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ifneq ($(VM_DEFAULT_RULES),0)
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$(VM_PREFIX)__ALLcls.o: $(VM_PREFIX)__ALLcls.cpp
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$(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OPT_FAST) -c -o $@ $<
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$(VM_PREFIX)__ALLsup.o: $(VM_PREFIX)__ALLsup.cpp
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$(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OPT_SLOW) -c -o $@ $<
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# VM_GLOBAL_FAST files including verilated.o use this rule
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%.o: %.cpp
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$(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OPT_FAST) -c -o $@ $<
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%__Slow.o: %__Slow.cpp
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$(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OPT_SLOW) -c -o $@ $<
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endif
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#Default rule embedded in make:
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#.cpp.o:
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# $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
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######################################################################
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### Debugging
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debug-make::
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@echo
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@echo CXXFLAGS: $(CXXFLAGS)
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@echo CPPFLAGS: $(CPPFLAGS)
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@echo OPT_FAST: $(OPT_FAST)
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@echo OPT_SLOW: $(OPT_SLOW)
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@echo VM_PREFIX: $(VM_PREFIX)
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@echo VM_PARALLEL_BUILDS: $(VM_PARALLEL_BUILDS)
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@echo VM_CLASSES_FAST: $(VM_CLASSES_FAST)
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@echo VM_CLASSES_SLOW: $(VM_CLASSES_SLOW)
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@echo VM_SUPPORT_FAST: $(VM_SUPPORT_FAST)
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@echo VM_SUPPORT_SLOW: $(VM_SUPPORT_SLOW)
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@echo VM_GLOBAL_FAST: $(VM_GLOBAL_FAST)
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@echo VM_GLOBAL_SLOW: $(VM_GLOBAL_SLOW)
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@echo VK_OBJS: $(VK_OBJS)
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@echo
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######################################################################
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### Detect out of date files and rebuild.
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DEPS := $(wildcard *.d)
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ifneq ($(DEPS),)
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include $(DEPS)
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endif
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