acrn-kernel/arch/xtensa/boot/Makefile

57 lines
1.4 KiB
Makefile

#
# arch/xtensa/boot/Makefile
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
#
# KBUILD_CFLAGS used when building rest of boot (takes effect recursively)
KBUILD_CFLAGS += -fno-builtin -Iarch/$(ARCH)/boot/include
HOSTFLAGS += -Iarch/$(ARCH)/boot/include
BIG_ENDIAN := $(shell echo -e __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
export ccflags-y
export BIG_ENDIAN
subdir-y := lib
# Subdirs for the boot loader(s)
bootdir-$(CONFIG_XTENSA_PLATFORM_ISS) += boot-elf
bootdir-$(CONFIG_XTENSA_PLATFORM_XT2000) += boot-redboot boot-elf boot-uboot
bootdir-$(CONFIG_XTENSA_PLATFORM_XTFPGA) += boot-redboot boot-elf boot-uboot
BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB)).dtb.o
ifneq ($(CONFIG_BUILTIN_DTB),"")
obj-$(CONFIG_OF) += $(BUILTIN_DTB)
endif
# Rule to build device tree blobs
$(obj)/%.dtb: $(src)/dts/%.dts FORCE
$(call if_changed_dep,dtc)
clean-files := *.dtb.S
zImage Image: $(bootdir-y)
$(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \
$(addprefix $(obj)/,$(host-progs))
$(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS)
OBJCOPYFLAGS = --strip-all -R .comment -R .note.gnu.build-id -O binary
vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
vmlinux.bin.gz: vmlinux.bin FORCE
$(call if_changed,gzip)
boot-elf: vmlinux.bin
boot-redboot: vmlinux.bin.gz
boot-uboot: vmlinux.bin.gz