Add the possibility to create .o files from arbitrary binary blobs.

diff --git a/src/Makefile.housekeeping b/src/Makefile.housekeeping
index 2fb41a8..4909345 100644 (file)
--- a/src/Makefile.housekeeping
+++ b/src/Makefile.housekeeping
@@ -409,6 +409,15 @@ allpxes allisos alldsks : all%s : $(foreach DRIVER,$(DRIVERS),$(BIN)/$(DRIVER).%
 $(BIN)/etherboot.% : $(BIN)/gpxe.%
        ln -sf $(notdir $<) $@
 
 $(BIN)/etherboot.% : $(BIN)/gpxe.%
        ln -sf $(notdir $<) $@
 

+# Wrap up binary blobs
+#
+$(BIN)/%.o : payload/%.img
+       $(QM)echo "  [WRAP] $@"
+       $(Q)$(LD) -b binary -r -o $@ $< --undefined obj_payload \
+               --defsym obj_$*=0
+
+BOBJS += $(patsubst payload/%.img,$(BIN)/%.o,$(wildcard payload/*.img))
+

 # The compression utilities
 #
 $(NRV2B) : util/nrv2b.c $(MAKEDEPS)
 # The compression utilities
 #
 $(NRV2B) : util/nrv2b.c $(MAKEDEPS)

diff --git a/src/payload/hello.img b/src/payload/hello.img
new file mode 100644 (file)
index 0000000..bc7774a
--- /dev/null
+++ b/src/payload/hello.img
@@ -0,0 +1 @@
+hello world!
\ No newline at end of file