NuttX: initial kernel modules compilation logic.

[omk.git] / snippets / nuttx-kernel.omk

diff --git a/snippets/nuttx-kernel.omk b/snippets/nuttx-kernel.omk
new file mode 100644 (file)
index 0000000..503c2da
--- /dev/null
+++ b/snippets/nuttx-kernel.omk
@@ -0,0 +1,91 @@
+define COMPILE_c_o_kern_template
+
+$(2): $(1)
+       @$(QUIET_CMD_ECHO) "  CC [K]  $$@"
+       $(Q) if $$(c_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
+       -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
+       -o $$@ -c $$< ; \
+       then mv -f "$$@.d.tmp" "$$@.d" ; \
+       else rm -f "$$@.d.tmp" ; exit 1; \
+       fi
+endef
+
+
+
+define COMPILE_cc_o_kern_template
+
+$(2): $(1)
+       @$(QUIET_CMD_ECHO) "  CXX [K] $$@"
+       $(Q) if $$(cc_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
+       -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
+       -o $$@ -c $$< ; \
+       then mv -f "$$@.d.tmp" "$$@.d" ; \
+       else rm -f "$$@.d.tmp" ; exit 1; \
+       fi
+endef
+
+
+
+define COMPILE_S_o_kern_template
+
+$(2): $(1)
+       @$(QUIET_CMD_ECHO) "  AS [K]  $$@"
+       $(Q) if $$(S_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
+       -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
+       -o $$@ -c $$< ; \
+       then mv -f "$$@.d.tmp" "$$@.d" ; \
+       else rm -f "$$@.d.tmp" ; exit 1; \
+       fi
+endef
+
+
+
+define MODULE_kern_template
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cpp=%.o))
+$(1)_OBJS := $$(sort $$($(1)_OBJS))
+
+KERN_OBJS  += $$($(1)_OBJS)
+KERN_SOURCES += $$($(1)_SOURCES)
+
+# this is hack to build "__this_module" structure for 2.6.x kernels
+# modpost is used for that purpose now
+
+$$(warning $(1)_OBJS=$$($(1)_OBJS))
+
+#$(eval $(call COMPILE_c_o_kern_template,$(1).mod.c,$(1).mod.o,-DKBUILD_MODNAME=$(1)))
+
+$$(warning $(2)/$(1)$(KERN_LINK_SUFFIX): $$($(1)_OBJS))
+$(2)/$(1)$(KERN_LINK_SUFFIX): $$($(1)_OBJS)
+       @$(QUIET_CMD_ECHO) "  LD [K]  $$@"
+       $(Q) $(LINK) \
+         -r -e module_initialize -T $(NUTTX_EXPORT)/build/gnu-elf.ld \
+         -Map $(1)$(KERN_LINK_SUFFIX).map \
+         $$($(1)_OBJS) $$($(1)_MOREOBJS) $$(LOADLIBES) $$($(1)_LIBS:%=-l%) \
+         -o $$@
+       @echo "$(2)/$(1)$(KERN_LINK_SUFFIX): \\" >$(OBJS_DIR)/$(1)$(KERN_LINK_SUFFIX).d
+       @echo "  $(NUTTX_EXPORT)/build/gnu-elf.ld \\" >>$(OBJS_DIR)/$(1)$(KERN_LINK_SUFFIX).d
+       @$(SED4OMK) -n -e 's|^LOAD \(.*\)$$$$|  \1  \&|p' $(OBJS_DIR)/$(1)$(KERN_LINK_SUFFIX).map|tr '&' '\134'  >>$(OBJS_DIR)/$(1)$(KERN_LINK_SUFFIX).d
+       @echo >>$(OBJS_DIR)/$(1)$(KERN_LINK_SUFFIX).d
+endef
+
+define LIBRARY_kern_template
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cpp=%.o))
+$(1)_OBJS := $$(sort $$($(1)_OBJS))
+
+KERN_OBJS  += $$($(1)_OBJS)
+KERN_SOURCES += $$($(1)_SOURCES)
+
+$(KERN_LIB_DIR)/lib$(1).a: $$($(1)_OBJS)
+       @$(QUIET_CMD_ECHO) "  AR [K]  $$@"
+       $(Q) $(KERN_AR) rcs $$@ $$^
+endef
+
+ifneq ($(kernel_MODULES),)
+binary-pass_REQUIRED=y
+endif