Linux Device Drivers 3 examples

1 files changed, 46 insertions, 0 deletions

diff --git a/scullp/Makefile b/scullp/Makefile
new file mode 100644
index 0000000..2a74203
--- /dev/null
+++ b/scullp/Makefile
@@ -0,0 +1,46 @@
+
+# Comment/uncomment the following line to enable/disable debugging
+#DEBUG = y
+
+
+ifeq ($(DEBUG),y)
+  DEBFLAGS = -O -g -DSCULLP_DEBUG # "-O" is needed to expand inlines
+else
+  DEBFLAGS = -O2
+endif
+
+CFLAGS += $(DEBFLAGS) -I$(LDDINC)
+
+TARGET = scullp
+
+ifneq ($(KERNELRELEASE),)
+
+scullp-objs := main.o mmap.o
+
+obj-m	:= scullp.o
+
+else
+
+KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+PWD       := $(shell pwd)
+
+modules:
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) LDDINC=$(PWD) modules
+
+endif
+
+
+install:
+	install -d $(INSTALLDIR)
+	install -c $(TARGET).o $(INSTALLDIR)
+
+clean:
+	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions
+
+
+depend .depend dep:
+	$(CC) $(CFLAGS) -M *.c > .depend
+
+ifeq (.depend,$(wildcard .depend))
+include .depend
+endif