## SPDX-License-Identifier: GPL-2.0-only # set up payload config and version files for later inclusion ifeq ($(CONFIG_PAYLOAD_SEABIOS),y) PAYLOAD_CONFIG=payloads/external/SeaBIOS/seabios/.config PAYLOAD_VERSION=payloads/external/SeaBIOS/seabios/out/autoversion.h endif ifeq ($(CONFIG_PAYLOAD_FILO),y) PAYLOAD_CONFIG=payloads/external/FILO/filo/.config PAYLOAD_VERSION=payloads/external/FILO/filo/build/version.h endif ifeq ($(CONFIG_PAYLOAD_DEPTHCHARGE),y) PAYLOAD_CONFIG=payloads/external/depthcharge/depthcharge/.config $(PAYLOAD_CONFIG): payloads/external/depthcharge/depthcharge/build/depthcharge.elf ifeq ($(call strip_quotes,$(CONFIG_MAINBOARD_DEPTHCHARGE)),) BOARD=$(call ws_to_under,$(call strip_quotes,$(call tolower,$(CONFIG_MAINBOARD_PART_NUMBER)))) else BOARD=$(CONFIG_MAINBOARD_DEPTHCHARGE) endif #TODO: Figure out version endif ifeq ($(CONFIG_PAYLOAD_LINUX)$(CONFIG_PAYLOAD_LINUXBOOT),y) ifneq ($(strip $(call strip_quotes,$(CONFIG_LINUX_COMMAND_LINE))),) ADDITIONAL_PAYLOAD_CONFIG+=-C $(CONFIG_LINUX_COMMAND_LINE) endif ifneq ($(strip $(call strip_quotes,$(CONFIG_LINUX_INITRD))),) ifneq ($(CONFIG_LINUXBOOT_ARM64),y) ADDITIONAL_PAYLOAD_CONFIG+=-I $(CONFIG_LINUX_INITRD)$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) prebuilt-files += $(strip $(call strip_quotes,$(CONFIG_LINUX_INITRD))) endif endif endif ifneq ($(strip $(call strip_quotes,$(CONFIG_PAYLOAD_OPTIONS))),) ADDITIONAL_PAYLOAD_CONFIG+=$(strip $(call strip_quotes,$(CONFIG_PAYLOAD_OPTIONS))) endif cbfs-files-y += $(CONFIG_CBFS_PREFIX)/payload $(CONFIG_CBFS_PREFIX)/payload-file := $(CONFIG_PAYLOAD_FILE) ifeq ($(CONFIG_PAYLOAD_IS_FLAT_BINARY),y) $(CONFIG_CBFS_PREFIX)/payload-type := flat-binary else $(CONFIG_CBFS_PREFIX)/payload-type := payload endif $(CONFIG_CBFS_PREFIX)/payload-compression := $(CBFS_PAYLOAD_COMPRESS_FLAG) $(CONFIG_CBFS_PREFIX)/payload-options := $(ADDITIONAL_PAYLOAD_CONFIG) cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += payload_config payload_config-file := $(PAYLOAD_CONFIG) payload_config-type := raw cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += payload_revision payload_revision-file := $(PAYLOAD_VERSION) payload_revision-type := raw cbfs-files-$(CONFIG_GRUB2_INCLUDE_RUNTIME_CONFIG_FILE) += etc/grub.cfg etc/grub.cfg-file := $(CONFIG_GRUB2_RUNTIME_CONFIG_FILE) etc/grub.cfg-type := raw etc/grub.cfg-required := the GRUB runtime configuration file ($(CONFIG_GRUB2_RUNTIME_CONFIG_FILE)) # SeaBIOS SEABIOS_CC_OFFSET=$(if $(filter %ccache,$(HOSTCC)),2,1) payloads/external/SeaBIOS/seabios/out/bios.bin.elf: $(DOTCONFIG) $(MAKE) -C payloads/external/SeaBIOS \ HOSTCC="$(HOSTCC)" \ CC=$(word $(SEABIOS_CC_OFFSET),$(CC_x86_32)) \ CFLAGS="$(patsubst $(word $(SEABIOS_CC_OFFSET),$(CC_x86_32))%,,$(wordlist $(SEABIOS_CC_OFFSET),9999,$(CC_x86_32)))" \ LD=$(word 1,$(LD_x86_32)) LDFLAGS="$(patsubst $(word 1,$(LD_x86_32))%,,$(LD_x86_32))" \ OBJDUMP="$(OBJDUMP_x86_32)" \ OBJCOPY="$(OBJCOPY_x86_32)" STRIP="$(STRIP_x86_32)" \ AS="$(AS_x86_32)" IASL="$(IASL)" \ CONFIG_SEABIOS_MASTER=$(CONFIG_SEABIOS_MASTER) \ CONFIG_SEABIOS_STABLE=$(CONFIG_SEABIOS_STABLE) \ CONFIG_SEABIOS_REVISION=$(CONFIG_SEABIOS_REVISION) \ CONFIG_SEABIOS_REVISION_ID=$(CONFIG_SEABIOS_REVISION_ID) \ CONFIG_PAYLOAD_CONFIGFILE=$(CONFIG_PAYLOAD_CONFIGFILE) \ CONFIG_SEABIOS_THREAD_OPTIONROMS=$(CONFIG_SEABIOS_THREAD_OPTIONROMS) \ CONFIG_SEABIOS_VGA_COREBOOT=$(CONFIG_SEABIOS_VGA_COREBOOT) \ CONFIG_DRIVERS_UART_8250IO=$(CONFIG_DRIVERS_UART_8250IO) \ CONFIG_DRIVERS_UART_8250MEM=$(CONFIG_DRIVERS_UART_8250MEM) \ CONFIG_HUDSON_UART=$(CONFIG_HUDSON_UART) \ CONFIG_CONSOLE_SERIAL=$(CONFIG_CONSOLE_SERIAL) \ CONFIG_TTYS0_BASE=$(CONFIG_TTYS0_BASE) \ CONFIG_SEABIOS_DEBUG_LEVEL=$(CONFIG_SEABIOS_DEBUG_LEVEL) \ CONFIG_DRIVERS_UART_8250MEM_32=$(CONFIG_DRIVERS_UART_8250MEM_32) \ CONFIG_ENABLE_HSUART=$(CONFIG_ENABLE_HSUART) \ CONFIG_CONSOLE_UART_BASE_ADDRESS=$(CONFIG_CONSOLE_UART_BASE_ADDRESS) \ CONFIG_SEABIOS_HARDWARE_IRQ=$(CONFIG_SEABIOS_HARDWARE_IRQ) payloads/external/SeaBIOS/seabios/out/vgabios.bin: payloads/external/SeaBIOS/seabios/out/bios.bin.elf payloads/external/SeaBIOS/seabios/.config: payloads/external/SeaBIOS/seabios/out/bios.bin.elf payloads/external/SeaBIOS/seabios/out/autoversion.h: payloads/external/SeaBIOS/seabios/out/bios.bin.elf # add a SeaBIOS bootorder file ifneq ($(strip $(CONFIG_SEABIOS_BOOTORDER_FILE)),) cbfs-files-y += bootorder bootorder-file := $(strip $(CONFIG_SEABIOS_BOOTORDER_FILE)) bootorder-type := raw endif ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),) ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0) $(call add_intermediate, seabios_ps2_timeout, $(CBFSTOOL)) @printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n" $(if $(CONFIG_UPDATE_IMAGE),-$(CBFSTOOL) $< remove -n etc/ps2-keyboard-spinup 2>/dev/null) $(CBFSTOOL) $< add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup endif endif ifeq ($(CONFIG_SEABIOS_ADD_SERCON_PORT_FILE),y) $(call add_intermediate, seabios_sercon, $(CBFSTOOL)) @printf " SeaBIOS Add sercon-port file\n" $(if $(CONFIG_UPDATE_IMAGE),-$(CBFSTOOL) $< remove -n etc/sercon-port 2>/dev/null) $(CBFSTOOL) $< add-int -i $(CONFIG_SEABIOS_SERCON_PORT_ADDR) -n etc/sercon-port endif ifeq ($(CONFIG_SEABIOS_THREAD_OPTIONROMS),y) $(call add_intermediate, seabios_thread_optionroms, $(CBFSTOOL)) @printf " SeaBIOS Thread optionroms\n" $(if $(CONFIG_UPDATE_IMAGE),-$(CBFSTOOL) $< remove -n etc/threads 2>/dev/null) $(CBFSTOOL) $< add-int -i 2 -n etc/threads endif # Depthcharge payloads/external/depthcharge/depthcharge/build/depthcharge.elf depthcharge: $(DOTCONFIG) $(CBFSTOOL) $(MAKE) -C payloads/external/depthcharge \ BOARD=$(BOARD) \ MFLAGS= MAKEFLAGS= \ DEPTHCHARGE_MASTER=$(CONFIG_DEPTHCHARGE_MASTER) \ DEPTHCHARGE_STABLE=$(CONFIG_DEPTHCHARGE_STABLE) \ DEPTHCHARGE_REVISION=$(CONFIG_DEPTHCHARGE_REVISION) \ DEPTHCHARGE_REVISION_ID=$(CONFIG_DEPTHCHARGE_REVISION_ID) \ OVERRIDE_DEFCONFIG=$(CONFIG_LP_DEFCONFIG_OVERRIDE) # Tianocore $(obj)/UEFIPAYLOAD.fd tianocore: $(DOTCONFIG) $(MAKE) -C payloads/external/tianocore all \ HOSTCC="$(HOSTCC)" \ CC="$(HOSTCC)" \ CONFIG_TIANOCORE_REPOSITORY=$(CONFIG_TIANOCORE_REPOSITORY) \ CONFIG_TIANOCORE_TAG_OR_REV=$(CONFIG_TIANOCORE_TAG_OR_REV) \ CONFIG_TIANOCORE_UEFIPAYLOAD=$(CONFIG_TIANOCORE_UEFIPAYLOAD) \ CONFIG_TIANOCORE_UPSTREAM=$(CONFIG_TIANOCORE_UPSTREAM) \ CONFIG_TIANOCORE_COREBOOTPAYLOAD=$(CONFIG_TIANOCORE_COREBOOTPAYLOAD) \ CONFIG_TIANOCORE_DEBUG=$(CONFIG_TIANOCORE_DEBUG) \ CONFIG_TIANOCORE_RELEASE=$(CONFIG_TIANOCORE_RELEASE) \ CONFIG_TIANOCORE_ABOVE_4G_MEMORY=$(CONFIG_TIANOCORE_ABOVE_4G_MEMORY) \ CONFIG_TIANOCORE_BOOTSPLASH_FILE=$(CONFIG_TIANOCORE_BOOTSPLASH_FILE) \ CONFIG_TIANOCORE_BOOT_MANAGER_ESCAPE=$(CONFIG_TIANOCORE_BOOT_MANAGER_ESCAPE) \ CONFIG_TIANOCORE_BOOT_TIMEOUT=$(CONFIG_TIANOCORE_BOOT_TIMEOUT) \ CONFIG_TIANOCORE_CBMEM_LOGGING=$(CONFIG_TIANOCORE_CBMEM_LOGGING) \ CONFIG_TIANOCORE_FOLLOW_BGRT_SPEC=$(CONFIG_TIANOCORE_FOLLOW_BGRT_SPEC) \ CONFIG_TIANOCORE_HAVE_EFI_SHELL=$(CONFIG_TIANOCORE_HAVE_EFI_SHELL) \ CONFIG_TIANOCORE_PRIORITIZE_INTERNAL=$(CONFIG_TIANOCORE_PRIORITIZE_INTERNAL) \ CONFIG_TIANOCORE_PS2_SUPPORT=$(CONFIG_TIANOCORE_PS2_SUPPORT) \ CONFIG_TIANOCORE_USE_8254_TIMER=$(CONFIG_TIANOCORE_USE_8254_TIMER) \ CONFIG_ECAM_MMCONF_BASE_ADDRESS=$(CONFIG_ECAM_MMCONF_BASE_ADDRESS) \ GCC_CC_x86_32=$(GCC_CC_x86_32) \ GCC_CC_x86_64=$(GCC_CC_x86_64) \ GCC_CC_arm=$(GCC_CC_arm) \ GCC_CC_arm64=$(GCC_CC_arm64) \ OBJCOPY_x86_32=$(OBJCOPY_x86_32) \ OBJCOPY_x86_64=$(OBJCOPY_x86_64) \ OBJCOPY_arm=$(OBJCOPY_arm) \ OBJCOPY_arm64=$(OBJCOPY_arm64) \ MFLAGS= MAKEFLAGS= mv payloads/external/tianocore/output/UEFIPAYLOAD.fd $@ # FILO filo: $(MAKE) -C payloads/external/FILO \ HOSTCC="$(HOSTCC)" \ CC="$(CC_x86_32)" LD="$(LD_x86_32)" OBJDUMP="$(OBJDUMP_x86_32)" \ OBJCOPY="$(OBJCOPY_x86_32)" STRIP="$(STRIP_x86_32)" \ CONFIG_FILO_MASTER=$(CONFIG_FILO_MASTER) \ CONFIG_FILO_STABLE=$(CONFIG_FILO_STABLE) \ CONFIG_FILO_USE_AUTOBOOT=$(CONFIG_FILO_USE_AUTOBOOT) \ CONFIG_FILO_AUTOBOOT_FILE=$(CONFIG_FILO_AUTOBOOT_FILE) \ CONFIG_FILO_AUTOBOOT_DELAY=$(CONFIG_FILO_AUTOBOOT_DELAY) payloads/external/FILO/filo/build/filo.elf: filo payloads/external/FILO/filo/.config: filo payloads/external/FILO/filo/build/version.h: filo # Grub grub2: $(obj)/config.h $(MAKE) -C payloads/external/GRUB2 \ HOSTCC="$(HOSTCC)" \ CC="$(CC_x86_32)" LD="$(LD_x86_32)" \ OBJCOPY="$(OBJCOPY_x86_32)" STRIP="$(STRIP_x86_32)" \ CONFIG_DEP="$(abspath $(obj)/config.h)" \ CONFIG_GRUB2_STABLE=$(CONFIG_GRUB2_STABLE) \ CONFIG_GRUB2_MASTER=$(CONFIG_GRUB2_MASTER) \ CONFIG_GRUB2_REVISION=$(CONFIG_GRUB2_REVISION) \ CONFIG_GRUB2_REVISION_ID=$(CONFIG_GRUB2_REVISION_ID) \ CONFIG_GRUB2_EXTRA_MODULES=$(CONFIG_GRUB2_EXTRA_MODULES) payloads/external/GRUB2/grub2/build/default_payload.elf: grub2 # U-Boot payloads/external/U-Boot/build/u-boot.bin u-boot: $(DOTCONFIG) $(MAKE) -C payloads/external/U-Boot \ STABLE_COMMIT_ID=$(CONFIG_UBOOT_STABLE_COMMIT_ID) \ CONFIG_UBOOT_MASTER=$(CONFIG_UBOOT_MASTER) \ CONFIG_UBOOT_STABLE=$(CONFIG_UBOOT_STABLE) # TINT payloads/external/tint/tint/tint.elf tint: $(MAKE) -C payloads/external/tint cbfs-files-$(CONFIG_TINT_SECONDARY_PAYLOAD) += img/tint img/tint-file := payloads/external/tint/tint/tint.elf img/tint-type := payload img/tint-compression := $(CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG) # Memtest86+ cbfs-files-$(CONFIG_MEMTEST_SECONDARY_PAYLOAD) += img/memtest img/memtest-file := payloads/external/Memtest86Plus/memtest86plus/memtest img/memtest-type := payload img/memtest-compression := $(CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG) ifeq ($(CONFIG_CONSOLE_SERIAL)$(CONFIG_DRIVERS_UART_8250IO),yy) MEMTEST_SERIAL_OPTIONS=SERIAL_CONSOLE_DEFAULT=1 \ SERIAL_TTY=$(CONFIG_UART_FOR_CONSOLE) \ SERIAL_BAUD_RATE=$(CONFIG_TTYS0_BAUD) endif payloads/external/Memtest86Plus/memtest86plus/memtest: $(DOTCONFIG) $(MAKE) -C payloads/external/Memtest86Plus all \ CC="$(CC_x86_32)" \ LD="$(LD_x86_32)" \ OBJCOPY="$(OBJCOPY_x86_32)" \ AS="$(AS_x86_32)" \ CONFIG_MEMTEST_REVISION=$(CONFIG_MEMTEST_REVISION) \ CONFIG_MEMTEST_REVISION_ID=$(CONFIG_MEMTEST_REVISION_ID) \ CONFIG_MEMTEST_MASTER=$(CONFIG_MEMTEST_MASTER) \ CONFIG_MEMTEST_STABLE=$(CONFIG_MEMTEST_STABLE) \ $(MEMTEST_SERIAL_OPTIONS) \ MFLAGS= MAKEFLAGS= # iPXE PXE_ROM_PCI_ID:=$(subst $(comma),,$(CONFIG_PXE_ROM_ID)) ifeq ($(CONFIG_PXE_ROM),y) PXE_ROM_FILE:=$(CONFIG_PXE_ROM_FILE) endif ifeq ($(CONFIG_BUILD_IPXE),y) PXE_ROM_FILE:=payloads/external/iPXE/ipxe/ipxe.rom endif ifeq ($(CONFIG_PXE_ADD_SCRIPT),y) PXE_CONFIG_SCRIPT:=$(abspath $(patsubst "%",%,$(CONFIG_PXE_SCRIPT))) endif ifeq ($(CONFIG_CONSOLE_SERIAL)$(CONFIG_DRIVERS_UART_8250IO),yy) IPXE_UART=COM$(call int-add,$(CONFIG_UART_FOR_CONSOLE) 1) endif ifeq ($(CONFIG_PXE_SERIAL_CONSOLE),y) IPXE_SERIAL_CONSOLE = $(CONFIG_CONSOLE_SERIAL)$(CONFIG_DRIVERS_UART_8250IO) else IPXE_SERIAL_CONSOLE = n endif cbfs-files-$(CONFIG_PXE_ROM)$(CONFIG_BUILD_IPXE) += pci$(CONFIG_PXE_ROM_ID).rom pci$(CONFIG_PXE_ROM_ID).rom-file := $(PXE_ROM_FILE) pci$(CONFIG_PXE_ROM_ID).rom-type := raw payloads/external/iPXE/ipxe/ipxe.rom ipxe: $(DOTCONFIG) $(PXE_CONFIG_SCRIPT) $(MAKE) -C payloads/external/iPXE all \ CROSS_COMPILE="$(CROSS_COMPILE_$(ARCH-ramstage-y))" \ PXE_ROM_PCI_ID=$(PXE_ROM_PCI_ID) \ CONFIG_IPXE_MASTER=$(CONFIG_IPXE_MASTER) \ CONFIG_IPXE_STABLE=$(CONFIG_IPXE_STABLE) \ CONSOLE_SERIAL=$(IPXE_SERIAL_CONSOLE) \ IPXE_UART=$(IPXE_UART) \ CONFIG_TTYS0_BAUD=$(CONFIG_TTYS0_BAUD) \ CONFIG_SCRIPT=$(PXE_CONFIG_SCRIPT) \ CONFIG_HAS_SCRIPT=$(CONFIG_PXE_ADD_SCRIPT) \ CONFIG_PXE_NO_PROMPT=$(CONFIG_PXE_NO_PROMPT) \ CONFIG_PXE_HAS_HTTPS=$(CONFIG_PXE_HAS_HTTPS) \ MFLAGS= MAKEFLAGS= # LinuxBoot linuxboot: $(MAKE) -C payloads/external/LinuxBoot \ CPUS=$(CPUS) \ CONFIG_LINUXBOOT_X86_64=$(CONFIG_LINUXBOOT_X86_64) \ CONFIG_LINUXBOOT_X86=$(CONFIG_LINUXBOOT_X86) \ CONFIG_LINUXBOOT_ARM64=$(CONFIG_LINUXBOOT_ARM64) \ CONFIG_LINUXBOOT_KERNEL=$(CONFIG_PAYLOAD_FILE) \ CONFIG_LINUXBOOT_INITRAMFS=$(CONFIG_LINUX_INITRD) \ CONFIG_LINUXBOOT_INITRAMFS_SUFFIX=$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) \ CONFIG_LINUXBOOT_COMPILE_KERNEL=$(CONFIG_LINUXBOOT_COMPILE_KERNEL) \ CONFIG_LINUXBOOT_BUILD_INITRAMFS=$(CONFIG_LINUXBOOT_BUILD_INITRAMFS) \ CONFIG_LINUXBOOT_KERNEL_MAINLINE=$(CONFIG_LINUXBOOT_KERNEL_MAINLINE) \ CONFIG_LINUXBOOT_KERNEL_STABLE=$(CONFIG_LINUXBOOT_KERNEL_STABLE) \ CONFIG_LINUXBOOT_KERNEL_LONGTERM=$(CONFIG_LINUXBOOT_KERNEL_LONGTERM) \ CONFIG_LINUXBOOT_KERNEL_CUSTOM=$(CONFIG_LINUXBOOT_KERNEL_CUSTOM) \ CONFIG_LINUXBOOT_KERNEL_CUSTOM_VERSION=$(CONFIG_LINUXBOOT_KERNEL_CUSTOM_VERSION) \ CONFIG_LINUXBOOT_KERNEL_CUSTOM_CONFIG=$(CONFIG_LINUXBOOT_KERNEL_CUSTOM_CONFIG) \ CONFIG_LINUXBOOT_KERNEL_BZIMAGE=$(CONFIG_LINUXBOOT_KERNEL_BZIMAGE) \ CONFIG_LINUXBOOT_KERNEL_UIMAGE=$(CONFIG_LINUXBOOT_KERNEL_UIMAGE) \ CONFIG_LINUXBOOT_KERNEL_CONFIGFILE=$(CONFIG_LINUXBOOT_KERNEL_CONFIGFILE) \ CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ=$(CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ) \ CONFIG_LINUXBOOT_UROOT=$(CONFIG_LINUXBOOT_UROOT) \ CONFIG_LINUXBOOT_UROOT_VERSION=$(CONFIG_LINUXBOOT_UROOT_VERSION) \ CONFIG_LINUXBOOT_UROOT_FORMAT=$(CONFIG_LINUXBOOT_UROOT_FORMAT) \ CONFIG_LINUXBOOT_UROOT_INITCMD=$(CONFIG_LINUXBOOT_UROOT_INITCMD) \ CONFIG_LINUXBOOT_UROOT_SHELL=$(CONFIG_LINUXBOOT_UROOT_SHELL) \ CONFIG_LINUXBOOT_UROOT_COMMANDS=$(CONFIG_LINUXBOOT_UROOT_COMMANDS) \ CONFIG_LINUXBOOT_UROOT_FILES=$(CONFIG_LINUXBOOT_UROOT_FILES) \ CONFIG_LINUXBOOT_DTB_FILE=$(CONFIG_LINUXBOOT_DTB_FILE) payloads/external/LinuxBoot/linuxboot/bzImage: linuxboot payloads/external/LinuxBoot/linuxboot/uImage: linuxboot payloads/external/LinuxBoot/linuxboot/initramfs_u-root.cpio: linuxboot # Yabits payloads/external/Yabits/uefi/build/uefi.elf yabits: $(MAKE) -C payloads/external/Yabits all \ XGCCPATH="$(XGCCPATH)" \ CONFIG_YABITS_REVISION=$(CONFIG_YABITS_REVISION) \ CONFIG_YABITS_REVISION_ID=$(CONFIG_YABITS_REVISION_ID) \ CONFIG_YABITS_MASTER=$(CONFIG_YABITS_MASTER) \ CONFIG_YABITS_STABLE=$(CONFIG_YABITS_STABLE) \ MFLAGS= MAKEFLAGS= # BOOTBOOT payloads/external/BOOTBOOT/bootboot/dist/bootbootcb.elf: $(MAKE) -C payloads/external/BOOTBOOT all # skiboot payloads/external/skiboot/build/skiboot.elf: $(MAKE) -C payloads/external/skiboot all \ CONFIG_SKIBOOT_GIT_REPO=$(CONFIG_SKIBOOT_GIT_REPO) \ CONFIG_SKIBOOT_REVISION=$(CONFIG_SKIBOOT_REVISION)