diff --git a/common.mk b/common.mk
index 456e693..2c0ba56 100644
--- a/common.mk
+++ b/common.mk
@@ -40,7 +40,7 @@ endef
 %.o: %.cpp
 	$(CXX) $(CARCH) $(CFLAGS) $(CXXFLAGS) $(OPT) $(DEBUG) -c $< -o $@
 
-%.elf:
+%.elf: $(LIB)/start.o
 	$(LD) $(LDFLAGS) -T $(LIB)/sh2.lds $^ -o $@
 
 %.bin: %.elf
@@ -52,20 +52,20 @@ endef
 		--rename-section .data=.rodata,alloc,load,readonly,data,contents \
 		$< $@
 
-SYS_IP_OBJ += $(LIB)/sys_id.o
-SYS_IP_OBJ += $(LIB)/sys_sec.o
-SYS_IP_OBJ += $(LIB)/area/sys_area.o
-SYS_IP_OBJ += $(LIB)/area/sys_areb.o
-SYS_IP_OBJ += $(LIB)/area/sys_aree.o
-SYS_IP_OBJ += $(LIB)/area/sys_arej.o
-SYS_IP_OBJ += $(LIB)/area/sys_arek.o
-SYS_IP_OBJ += $(LIB)/area/sys_arel.o
-SYS_IP_OBJ += $(LIB)/area/sys_aret.o
-SYS_IP_OBJ += $(LIB)/area/sys_areu.o
-SYS_IP_OBJ += $(LIB)/sys_init.o
-SYS_IP_OBJ += $(LIB)/smpsys.o
+SYS_IP_OBJ += $(LIB)/ip/sys_id.o
+SYS_IP_OBJ += $(LIB)/ip/segasmp/sys_sec.o
+SYS_IP_OBJ += $(LIB)/ip/sys_area.o
+SYS_IP_OBJ += $(LIB)/ip/sys_areb.o
+SYS_IP_OBJ += $(LIB)/ip/sys_aree.o
+SYS_IP_OBJ += $(LIB)/ip/sys_arej.o
+SYS_IP_OBJ += $(LIB)/ip/sys_arek.o
+SYS_IP_OBJ += $(LIB)/ip/sys_arel.o
+SYS_IP_OBJ += $(LIB)/ip/sys_aret.o
+SYS_IP_OBJ += $(LIB)/ip/sys_areu.o
+SYS_IP_OBJ += $(LIB)/ip/sys_init.o
+SYS_IP_OBJ += $(LIB)/ip/smpsys.o
 
-$(LIB)/sys_%.o: $(LIB)/segasmp/lib/sys_%.o
+$(LIB)/ip/segasmp/sys_%.o: $(LIB)/segasmp/lib/sys_%.o
 	$(OBJCOPY) -I coff-sh -O elf32-sh -g \
 		--rename-section .text=.text.$* \
 		$< $@
diff --git a/ip/segasmp/.empty b/ip/segasmp/.empty
new file mode 100644
index 0000000..e69de29
diff --git a/smpsys.c b/ip/smpsys.c
similarity index 100%
rename from smpsys.c
rename to ip/smpsys.c
diff --git a/area/sys_area.s b/ip/sys_area.s
similarity index 100%
rename from area/sys_area.s
rename to ip/sys_area.s
diff --git a/area/sys_areb.s b/ip/sys_areb.s
similarity index 100%
rename from area/sys_areb.s
rename to ip/sys_areb.s
diff --git a/area/sys_aree.s b/ip/sys_aree.s
similarity index 100%
rename from area/sys_aree.s
rename to ip/sys_aree.s
diff --git a/area/sys_arej.s b/ip/sys_arej.s
similarity index 100%
rename from area/sys_arej.s
rename to ip/sys_arej.s
diff --git a/area/sys_arek.s b/ip/sys_arek.s
similarity index 100%
rename from area/sys_arek.s
rename to ip/sys_arek.s
diff --git a/area/sys_arel.s b/ip/sys_arel.s
similarity index 100%
rename from area/sys_arel.s
rename to ip/sys_arel.s
diff --git a/area/sys_aret.s b/ip/sys_aret.s
similarity index 100%
rename from area/sys_aret.s
rename to ip/sys_aret.s
diff --git a/area/sys_areu.s b/ip/sys_areu.s
similarity index 100%
rename from area/sys_areu.s
rename to ip/sys_areu.s
diff --git a/sys_id.s b/ip/sys_id.s
similarity index 100%
rename from sys_id.s
rename to ip/sys_id.s
diff --git a/segasmp/lib/sys_init.s b/ip/sys_init.s
similarity index 100%
rename from segasmp/lib/sys_init.s
rename to ip/sys_init.s
diff --git a/m68k/common.mk b/m68k/common.mk
index 9f83b7e..8f04531 100644
--- a/m68k/common.mk
+++ b/m68k/common.mk
@@ -27,6 +27,17 @@ define BUILD_BINARY_O
 		$< $@
 endef
 
+as_obj_binary = _binary_$(subst /,_,$(subst .,_,$(basename $(1))))
+
+define BUILD_BINARY_H
+	@echo $@
+	@echo '#pragma once' > $@
+	@echo '#include <stdint.h>' >> $@
+	@echo 'extern uint32_t $(call as_obj_binary,$@)_start __asm("$(call as_obj_binary,$@)_start");' >> $@
+	@echo 'extern uint32_t $(call as_obj_binary,$@)_end __asm("$(call as_obj_binary,$@)_end");' >> $@
+	@echo 'extern uint32_t $(call as_obj_binary,$@)_size __asm("$(call as_obj_binary,$@)_size");' >> $@
+endef
+
 all: main.bin
 
 %.o: %.s