Add sample code illustration API usage via the MEMCPY AFU

Signed-off-by: Alastair D'Silva <[email protected]>

.gitignore

@@ -3,6 +3,7 @@
 .*.swp
 obj/*
 testobj/*
+sampleobj/*
 docs
 cppcheck.xml
 kernel/include/misc/ocxl.h

Makefile

@@ -12,7 +12,7 @@ SONAMEOPT = -Wl,-soname,$(LIBSONAME)
 
 DOCDIR = docs
 
-all: check_ocxl_header obj/$(LIBSONAME) obj/libocxl.so obj/libocxl.a
+all: check_ocxl_header obj/$(LIBSONAME) obj/libocxl.so obj/libocxl.a sampleobj/memcpy
 
 HAS_WGET = $(shell /bin/which wget > /dev/null 2>&1 && echo y || echo n)
 HAS_CURL = $(shell /bin/which curl > /dev/null 2>&1 && echo y || echo n)
@@ -48,9 +48,15 @@ obj/$(LIBNAME): $(OBJS) symver.map
 obj/libocxl.a: $(OBJS)
 	$(call Q,AR, $(AR) rcs obj/libocxl.a $(OBJS), obj/libocxl.a)
 
+sampleobj/memcpy: sampleobj/memcpy.o-memcpy
+	$(call Q,CC, $(CC) $(CFLAGS) $(LDFLAGS) -o sampleobj/memcpy sampleobj/memcpy.o-memcpy obj/libocxl.a, sampleobj/memcpy)
+
 testobj:
 	mkdir testobj
 
+sampleobj:
+	mkdir sampleobj
+
 testobj/libocxl.a: $(TEST_OBJS)
 	$(call Q,AR, $(AR) rcs testobj/libocxl-temp.a $(TEST_OBJS), testobj/libocxl-temp.a)
 	$(call Q,STATIC_SYMS, $(NM) testobj/libocxl-temp.a | grep ' t ' | grep -v __ | cut -d ' ' -f 3 > testobj/static-syms)
@@ -75,7 +81,7 @@ cppcheck-xml:
 	cppcheck --enable=all -j 4 -q  src/*.c src/include/libocxl.h --xml-version=2 2>cppcheck.xml
 
 precommit: clean all docs cppcheck
-	astyle --style=linux --indent=tab=8 --max-code-length=120 src/*.c src/*.h src/include/*.h
+	astyle --style=linux --indent=tab=8 --max-code-length=120 src/*.c src/*.h src/include/*.h samples/*/*.c
 	$(call Q, SYMVER-CHECK, nm obj/$(LIBNAME) | grep ' t ocxl' && (echo "Symbols are missing from symver.map" && exit 1) || true)
 
 docs:

Makefile.rules

@@ -25,7 +25,10 @@ obj/%.o : src/%.c src/include/libocxl.h src/libocxl_internal.h | obj
 testobj/%.o : src/%.c src/include/libocxl.h src/libocxl_internal.h | testobj
 	$(call Q,CC, $(CC) $(CPPFLAGS) $(TESTCFLAGS) -c -o $@ $<, $@)
 
-testobj/%.o-test : unittests/%.c testobj/libocxl.a
+testobj/%.o-test : unittests/%.c testobj/libocxl.a | testobj
+	$(call Q,CC, $(CC) $(CPPFLAGS) $(TESTCFLAGS) -c -o $@ $<, $@)
+
+sampleobj/%.o-memcpy : samples/memcpy/%.c obj/libocxl.a | sampleobj
 	$(call Q,CC, $(CC) $(CPPFLAGS) $(TESTCFLAGS) -c -o $@ $<, $@)
 
 datadir    ?= $(PREFIX)/share

Makefile.vars

@@ -14,5 +14,5 @@ LD	= $(CROSS_COMPILE)ld
 CC	= $(CROSS_COMPILE)gcc
 NM  = $(CROSS_COMPILE)nm
 OBJCOPY  = $(CROSS_COMPILE)objcopy
-CFLAGS  ?= -g -Wall -Wextra -O2 -m64 -std=gnu99
+CFLAGS  ?= -g -Wall -Wextra -O2 -m64 -std=gnu11
 TESTCFLAGS  += $(CFLAGS) -O0 -DTEST_ENVIRONMENT=1 -I src -I testobj -pthread