Add makefiles

Author: kaushalmodi

.gitignore

@@ -1,3 +1,5 @@
+# https://stackoverflow.com/a/25592735/1219634
+
 # Ignore all
 *
 
@@ -7,9 +9,21 @@
 # Unignore all dirs
 !*/
 
-!LICENSE
+# Unignore make files
+!makefile
+!Makefile
 
-.nimcache/
-*.so
 xcelium.d/
-xrun.*
+*.log
+*.so
+*.history
+.nimcache/
+sigusrdump.out
+work/
+xrun.key
+*.o
+*.a
+.bpad/
+.simvision/
+bpad*.err
+waves.shm/

makefile

@@ -0,0 +1,131 @@
+# Time-stamp: <2021-05-07 14:15:50 kmodi>
+# Author    : Kaushal Modi
+
+UVM ?= 0
+
+FILES   ?= tb.sv
+DEFINES	= DEFINE_PLACEHOLDER
+# DSEM2009, DSEMEL: Don't keep on bugging by telling that SV 2009 is
+#     being used. I know it already.
+# SPDUSD: Don't warn about unused include dirs.
+NOWARNS = -nowarn DSEM2009 -nowarn DSEMEL -nowarn SPDUSD
+NC_SWITCHES ?=
+NC_CLEAN ?= 1
+
+# Subdirs contains a list of all directories containing a "Makefile".
+SUBDIRS = $(shell find . -name "Makefile" | sed 's|/Makefile||')
+
+GDB ?= 0 # When set to 1, enable gdb support for both nim and xrun
+VALG ?= 0 # When set to 1, enable valgrind
+
+NIM ?= nim
+
+ARCH ?= 64
+ifeq ($(ARCH), 64)
+	NIM_ARCH_FLAGS :=
+	NIM_SO := libvpi_64.so
+	NC_ARCH_FLAGS := -64bit
+	GCC_ARCH_FLAG := -m64
+else
+	NIM_ARCH_FLAGS := --cpu:i386 --passC:-m32 --passL:-m32
+	NIM_SO := libvpi_32.so
+	NC_ARCH_FLAGS :=
+	GCC_ARCH_FLAG := -m32
+endif
+
+DEFAULT_VPI_LIB ?= libvpi.so
+# Possible values of NIM_COMPILES_TO: c, cpp
+NIM_COMPILES_TO ?= c
+# See ./gc_crash_debug/README.org on why --gc:none is the default.
+NIM_GC ?= none
+NIM_RELEASE ?= 1
+NIM_DEFINES ?=
+NIM_SWITCHES ?=
+NIM_THREADS ?= 0
+NIM_DBG_DLL ?= 0
+
+.PHONY: clean nim nimcpp clibvpi nc $(SUBDIRS) all valg
+
+clean:
+	rm -rf *~ core simv* urg* *.log *.history \#*.* *.dump .simvision/ waves.shm/ \
+	  core.* simv* csrc* *.tmp *.vpd *.key log temp .vcs* DVE* *~ \
+	  INCA_libs xcelium.d *.o ./.nimcache sigusrdump.out \
+	  .bpad/ bpad*.err
+
+# libvpi.nim -> libvpi.c -> $(DEFAULT_VPI_LIB)
+# --gc:none is needed else Nim tries to free memory allocated for
+# arrays and stuff by the simulator on SV side.
+# https://irclogs.nim-lang.org/21-01-2019.html#17:16:39
+# Thanks to https://stackoverflow.com/a/15561911/1219634 for the trick to
+# modify Makefile vars within target definitions.
+nim:
+	@find . \( -name libvpi.o -o -name $(NIM_SO) \) -delete
+ifeq ($(GDB), 1)
+	$(eval NIM_SWITCHES += --debugger:native)
+	$(eval NIM_SWITCHES += --listCmd)
+	$(eval NIM_SWITCHES += --gcc.options.debug="-O0 -g3 -ggdb3")
+	$(eval NIM_SWITCHES += --gcc.cpp.options.debug="-O0 -g3 -ggdb3")
+endif
+ifeq ($(NIM_THREADS), 1)
+	$(eval NIM_SWITCHES += --threads:on)
+endif
+ifeq ($(NIM_RELEASE), 1)
+	$(eval NIM_DEFINES += -d:release)
+endif
+ifeq ($(NIM_DBG_DLL), 1)
+	$(eval NIM_DEFINES += -d:nimDebugDlOpen)
+endif
+ifeq ($(VALG), 1)
+	$(eval NIM_DEFINES += -d:useSysAssert -d:useGcAssert)
+endif
+ifneq ($(NIM_GC),)
+	$(eval NIM_SWITCHES += --gc:$(NIM_GC))
+endif
+	$(NIM) $(NIM_COMPILES_TO) --out:$(NIM_SO) --app:lib \
+	  --nimcache:./.nimcache \
+	  $(NIM_ARCH_FLAGS) $(NIM_DEFINES) \
+	  $(NIM_SWITCHES) \
+	  --hint[Processing]:off \
+	  libvpi.nim
+
+nimcpp:
+	$(MAKE) nim NIM_COMPILES_TO=cpp
+
+nc:
+	ln -sf $(NIM_SO) $(DEFAULT_VPI_LIB)
+ifeq ($(UVM), 1)
+	$(eval NC_SWITCHES += -uvm -uvmhome CDNS-1.2)
+endif
+ifeq ($(GDB), 1)
+	$(eval NC_SWITCHES += -g -gdb)
+endif
+ifeq ($(VALG), 1)
+	$(eval NC_SWITCHES += -valgrind)
+endif
+ifeq ($(NC_CLEAN), 1)
+	$(eval NC_SWITCHES += -clean)
+endif
+	xrun -sv $(NC_ARCH_FLAGS) \
+	  -timescale 1ns/10ps \
+	  +define+SHM_DUMP -debug \
+	  +define+$(DEFINES) \
+	  $(FILES) \
+	  +incdir+./ \
+	  $(NOWARNS) \
+	  $(NC_SWITCHES)
+
+# libvpi.c -> $(DEFAULT_SV_LIB)
+# -I$(XCELIUM_ROOT)/../include for "vpi_user.h"
+clibvpi:
+	@find . \( -name libvpi.o -o -name $(NIM_SO) \) -delete
+	gcc -c -fPIC -I$(XCELIUM_ROOT)/../include libvpi.c $(GCC_ARCH_FLAG) -o libvpi.o
+	gcc -shared -Wl,-soname,$(DEFAULT_SV_LIB) $(GCC_ARCH_FLAG) -o $(NIM_SO) libvpi.o
+	@rm -f libvpi.o
+
+$(SUBDIRS):
+	$(MAKE) -C $@
+
+all: $(SUBDIRS)
+
+# Run "make ARCH=32" to build 32-bit libvpi_32.so and run 32-bit xrun.
+# Run "make" to build 64-bit libvpi_64.so and run 64-bit xrun.

tests/basic/Makefile

@@ -0,0 +1,10 @@
+# Time-stamp: <2021-05-07 11:02:36 kmodi>
+
+.DEFAULT_GOAL := default
+
+GIT_ROOT = $(shell git rev-parse --show-toplevel)
+NIM_GC ?= arc
+
+include $(GIT_ROOT)/makefile
+
+default: nimcpp nc

tests/basic/orig/Makefile

@@ -0,0 +1,7 @@
+.DEFAULT_GOAL := default
+
+GIT_ROOT = $(shell git rev-parse --show-toplevel)
+
+include $(GIT_ROOT)/makefile
+
+default: clean clibvpi nc