| ## SPDX-License-Identifier: GPL-2.0-only |
| |
| unexport $(COREBOOT_EXPORTS) |
| |
| DTC ?= dtc |
| |
| LINUX_ARCH-$(CONFIG_LINUXBOOT_X86_64) = x86_64 |
| LINUX_ARCH-$(CONFIG_LINUXBOOT_X86) = i386 |
| LINUX_ARCH-$(CONFIG_LINUXBOOT_ARM64) = arm64 |
| LINUX_ARCH-$(CONFIG_LINUXBOOT_RISCV_RV32) = riscv |
| LINUX_ARCH-$(CONFIG_LINUXBOOT_RISCV_RV64) = riscv |
| |
| build/Image: $(CONFIG_LINUXBOOT_KERNEL_PATH) | build |
| ln -s -r $< $@ |
| |
| |
| ifeq ($(CONFIG_LINUXBOOT_COMPILE_KERNEL),y) |
| include targets/linux.mk |
| endif |
| ifeq ($(CONFIG_LINUXBOOT_UROOT),y) |
| include targets/u-root.mk |
| endif |
| |
| ifeq ($(CONFIG_LINUXBOOT_BUILD_INITRAMFS),y) |
| build/initramfs: $(CONFIG_LINUXBOOT_INITRAMFS_PATH) | build |
| else |
| build/initramfs: |
| endif |
| ifeq ($(CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ),y) |
| xz --keep --force --check=crc32 --lzma2=dict=1MiB $(CONFIG_LINUXBOOT_INITRAMFS_PATH) |
| endif |
| cp $(CONFIG_LINUXBOOT_INITRAMFS_PATH)$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) $@ |
| |
| ifeq ($(CONFIG_LINUXBOOT_KERNEL_BZIMAGE),y) |
| |
| build/bzImage: $(kernel_dir)/arch/x86/boot/bzImage | build |
| cp $< $@ |
| |
| else ifeq ($(CONFIG_LINUXBOOT_KERNEL_UIMAGE),y) |
| |
| build/target.dtb: $(CONFIG_LINUXBOOT_DTS_FILE) |
| $(DTC) -o $@ $< |
| |
| build/uImage: build/vmlinux.bin.lzma build/initramfs build/target.dtb $(LINUX_ARCH-y)/kernel_fdt_lzma.its | build |
| mkimage -f $(LINUX_ARCH-y)/kernel_fdt_lzma.its $@ |
| |
| endif # CONFIG_LINUXBOOT_KERNEL_BZIMAGE |
| |
| build: |
| mkdir build |
| |
| clean: |
| rm -rf build/kernel* |
| rm -f build/u-root |
| rm -f build/initramfs* |
| rm -f build/bzImage |
| rm -f build/uImage |
| |
| distclean: |
| rm -rf build |
| |
| .PHONY: linuxboot clean distclean |
