| # Copyright 2017 The Fuchsia Authors |
| # |
| # Use of this source code is governed by a MIT-style |
| # license that can be found in the LICENSE file or at |
| # https://opensource.org/licenses/MIT |
| |
| # this file contains extra build rules for building various kernel |
| # package configurations |
| |
| OUT_ZIRCON_IMAGE := $(BUILDDIR)/$(LKNAME).bin |
| |
| OUT_ZIRCON_ZIMAGE := $(BUILDDIR)/z$(LKNAME).bin |
| OUT_ZIRCON_ZIMAGE_DTB := $(OUT_ZIRCON_ZIMAGE)-dtb |
| OUT_ZIRCON_IMAGE_DTB := $(OUT_ZIRCON_IMAGE)-dtb |
| OUT_ZIRCON_ZIMAGE_KDTB := $(BUILDDIR)/z$(LKNAME).kdtb |
| |
| GENERATED += $(OUT_ZIRCON_ZIMAGE) |
| |
| KERNSIZE=`stat -c%s "$(OUT_ZIRCON_ZIMAGE)"` |
| DTBSIZE=`stat -c%s "$(DEVICE_TREE)"` |
| |
| KDTBTOOL=$(BUILDDIR)/tools/mkkdtb |
| |
| # rule for gzipping the kernel |
| $(OUT_ZIRCON_ZIMAGE): $(OUTLKBIN) |
| $(call BUILDECHO,gzipping image $@) |
| $(NOECHO)gzip -c $< > $@ |
| |
| ifdef DEVICE_TREE |
| |
| GENERATED += $(OUT_ZIRCON_ZIMAGE_DTB) \ |
| $(OUT_ZIRCON_IMAGE_DTB) \ |
| $(OUT_ZIRCON_ZIMAGE_KDTB) |
| |
| # rule for appending device tree, compressed kernel |
| $(OUT_ZIRCON_ZIMAGE_DTB): $(OUT_ZIRCON_ZIMAGE) $(DEVICE_TREE) |
| $(call BUILDECHO,concatenating device tree $@) |
| $(NOECHO)cat $< $(DEVICE_TREE) > $@ |
| |
| # rule for appending device tree, uncompressed kernel |
| $(OUT_ZIRCON_IMAGE_DTB): $(OUTLKBIN) $(DEVICE_TREE) |
| $(call BUILDECHO,concatenating device tree $@) |
| $(NOECHO)cat $< $(DEVICE_TREE) > $@ |
| |
| $(OUT_ZIRCON_ZIMAGE_KDTB): $(OUT_ZIRCON_ZIMAGE) $(DEVICE_TREE) $(KDTBTOOL) |
| $(call BUILDECHO,generating $@) |
| $(NOECHO)$(KDTBTOOL) $(OUT_ZIRCON_ZIMAGE) $(DEVICE_TREE) $@ |
| |
| # build gzipped kernel with concatenated device tree |
| EXTRA_KERNELDEPS += $(OUT_ZIRCON_ZIMAGE_DTB) $(OUT_ZIRCON_IMAGE_DTB) $(OUT_ZIRCON_ZIMAGE_KDTB) |
| |
| endif |
| |
| EXTRA_KERNELDEPS += $(OUT_ZIRCON_ZIMAGE) |
| |
