Move sysgen hooks and file generation to top-level Kbuild

Change-Id: Icb06c0e041e08863947c7b31d843771c3f2c6a0c
Signed-off-by: Anas Nashif <anas.nashif@intel.com>

Kbuild

@@ -1,2 +1,98 @@
-# The build system expects this file
+# vim: filetype=make
+
+ifneq ($(strip $(CONFIG_MAX_NUM_TASK_IRQS)),)
+ifneq (${CONFIG_MAX_NUM_TASK_IRQS},0)
+TASK_IRQS=y
+endif
+endif
+
+ifneq ("$(wildcard $(MDEF_FILE))","")
+MDEF_FILE_PATH=$(MDEF_FILE)
+else
+MDEF_FILE_PATH=$(PROJECT_BASE)/$(MDEF_FILE)
+endif
+
+define filechk_prj.mdef
+	(echo "% WARNING. THIS FILE IS AUTO-GENERATED. DO NOT MODIFY!"; \
+	echo; \
+	echo "% CONFIG NUM_COMMAND_PACKETS NUM_TIMER_PACKETS NUM_TASK_PRIORITIES"; \
+	echo "% ============================================================="; \
+	echo "  CONFIG ${CONFIG_NUM_COMMAND_PACKETS}             ${CONFIG_NUM_TIMER_PACKETS}               ${CONFIG_NUM_TASK_PRIORITIES}"; \
+	echo; \
+	echo "% TASKGROUP NAME";\
+	echo "% ==============";\
+	echo "  TASKGROUP EXE";\
+	echo "  TASKGROUP SYS";\
+	echo "  TASKGROUP FPU";\
+	echo "  TASKGROUP SSE";\
+	echo; \
+	if test "$(TASK_IRQS)" = "y"; then \
+		echo "% Task IRQ objects";\
+		echo "% EVENT    NAME              HANDLER"; \
+		echo "% ======================================="; \
+		i=0; \
+		while [ $$i -lt $(CONFIG_MAX_NUM_TASK_IRQS) ]; do \
+			echo "  EVENT    _TaskIrqEvt$$i     NULL"; \
+		i=$$(($$i+1));\
+		done; \
+	fi; \
+	cat $(MDEF_FILE_PATH);)
+endef
+
+misc/generated/sysgen/prj.mdef:	$(MDEF_FILE_PATH) \
+				include/config/auto.conf FORCE
+	$(call filechk,prj.mdef)
+
+misc/generated/sysgen/kernel_main.c: misc/generated/sysgen/prj.mdef
+	$(Q)$(srctree)/scripts/sysgen $(CURDIR)/misc/generated/sysgen/prj.mdef $(CURDIR)/misc/generated/sysgen/
+
+define filechk_configs.c
+	(echo "/* file is auto-generated, do not modify ! */"; \
+	echo; \
+	echo "#include <toolchain.h>"; \
+	echo; \
+	echo "GEN_ABS_SYM_BEGIN (_ConfigAbsSyms)"; \
+	echo; \
+	cat $(CURDIR)/include/generated/autoconf.h | sed \
+	's/".*"/1/' | awk  \
+	'/#define/{printf "GEN_ABSOLUTE_SYM(%s, %s);\n", $$2, $$3}'; \
+	echo; \
+	echo "GEN_ABS_SYM_END";)
+endef
+
+misc/generated/configs.c: include/config/auto.conf FORCE
+	$(call filechk,configs.c)
+
+targets := misc/generated/configs.c
+targets += include/generated/offsets.h
+
+
+always := misc/generated/configs.c
+always += include/generated/offsets.h
+
+ifeq ($(CONFIG_MICROKERNEL),y)
+targets += misc/generated/sysgen/kernel_main.c
+always += misc/generated/sysgen/kernel_main.c
+endif
+
+define rule_cc_o_c_1
+	$(call echo-cmd,cc_o_c_1) $(cmd_cc_o_c_1);
+endef
+
+OFFSETS_INCLUDE = $(strip \
+		-I $(srctree)/include \
+		-I $(CURDIR)/include/generated \
+		-I $(srctree)/kernel/microkernel/include \
+		-I $(srctree)/kernel/nanokernel/include \
+		-I $(srctree)/lib/libc/minimal/include \
+		-I $(srctree)/arch/${SRCARCH}/include )
+
+cmd_cc_o_c_1 = $(CC) $(KBUILD_CFLAGS) $(OFFSETS_INCLUDE) -include $(CURDIR)/include/generated/autoconf.h $(USERINCLUDE) -c -o $@ $<
+
+arch/$(SRCARCH)/core/offsets/offsets.o: arch/$(SRCARCH)/core/offsets/offsets.c
+	$(Q)mkdir -p $(dir $@)
+	$(call if_changed_rule,cc_o_c_1)
+
+$(obj)/include/generated/offsets.h: $(GENOFFSET_H) arch/$(SRCARCH)/core/offsets/offsets.o include/config/auto.conf FORCE
+	$(Q)$(GENOFFSET_H) -i arch/$(SRCARCH)/core/offsets/offsets.o -o $@