Imported Genode release 11.11

base-codezero/src/kernel/target.mk

@@ -0,0 +1,74 @@
+TARGET = codezero
+
+-include $(BUILD_BASE_DIR)/etc/codezero.conf
+ifeq ($(wildcard $(CODEZERO_DIR)),)
+$(error No valid kernel configured in 'etc/codezero.conf')
+endif
+
+include $(REP_DIR)/lib/mk/codezero_cml.inc
+
+TOOL_CHAIN_DIR     = $(dir $(CROSS_DEV_PREFIX))
+CODEZERO_DST_DIR   = $(BUILD_BASE_DIR)/kernel/codezero
+CODEZERO_BUILD_DIR = $(CODEZERO_DST_DIR)/build
+
+.PHONY: $(TARGET)
+
+MIRROR_COPY := conts/baremetal/empty conts/userlibs \
+               build.py include SConstruct src loader
+
+MIRROR_SYMLINK := scripts tools
+
+update_copy = $(VERBOSE)tar c -C $(CODEZERO_DIR) $(MIRROR_COPY) | tar x -C $(CODEZERO_DST_DIR)
+
+ifneq ($(VERBOSE),)
+CODEZERO_STDOUT := > /dev/null
+endif
+
+#
+# Environment variables passed to the Codezero build system
+#
+BUILD_ENV = PATH=$(dir $(CROSS_DEV_PREFIX)):$$PATH
+
+#
+# Local copy of the CML file used for supplying the configuration
+# to the Codezero build system.
+#
+LOCAL_CONFIG_CML := $(shell pwd)/config.cml
+
+$(TARGET): $(CODEZERO_BUILD_DIR)
+	$(MSG_BUILD)kernel
+	$(update_copy)
+	$(VERBOSE)cd $(CODEZERO_DST_DIR); $(BUILD_ENV) ./build.py $(CODEZERO_STDOUT)
+
+#
+# Mirror the parts of the Codezero source tree that are relevant for building
+# the kernel
+#
+$(CODEZERO_DST_DIR): $(CODEZERO_DIR)
+	$(VERBOSE)test -d $@ || mkdir -p $@
+	$(VERBOSE)for d in $(MIRROR_SYMLINK); do ln -sf $(realpath $^)/$$d $@/$$d; done
+
+$(CODEZERO_BUILD_DIR): $(CODEZERO_DST_DIR) $(CODEZERO_CML)
+	$(update_copy)
+	$(VERBOSE)cp $(CODEZERO_CML) $(LOCAL_CONFIG_CML)
+	@#
+	@# Create copy of the CML config in the local build directory to update
+	@# the tool chain parameters according to the CROSS_DEV_PREFIX configured
+	@# for Genode.
+	@#
+	$(VERBOSE)sed -i "/TOOLCHAIN_USERSPACE/s/\".*\"/\"$(notdir $(CROSS_DEV_PREFIX))\"/" $(LOCAL_CONFIG_CML)
+	$(VERBOSE)sed -i "/TOOLCHAIN_KERNEL/s/\".*\"/\"$(notdir $(CROSS_DEV_PREFIX))\"/" $(LOCAL_CONFIG_CML)
+	$(VERBOSE)cd $(CODEZERO_DST_DIR); $(BUILD_ENV) ./build.py -C -b -f $(LOCAL_CONFIG_CML) $(CODEZERO_STDOUT)
+
+clean cleanall: clean_codezero
+
+#
+# Make sure to execute the 'clean_codezero' rule prior the generic clean
+# rule in 'prg.mk' because the generic rule will attempt to remove $(TARGET)
+# file, which is a directory in our case.
+#
+clean_prg_objects: clean_codezero
+
+clean_codezero:
+	$(VERBOSE)rm -f  $(LOCAL_CONFIG_CML)
+	$(VERBOSE)rm -rf $(CODEZERO_DST_DIR)