diff --git a/linux/linux.mk b/linux/linux.mk index fdd8421d94..a751da93b0 100644 --- a/linux/linux.mk +++ b/linux/linux.mk @@ -216,6 +216,20 @@ LINUX_KCONFIG_OPTS = $(LINUX_MAKE_FLAGS) # If no package has yet set it, set it from the Kconfig option LINUX_NEEDS_MODULES ?= $(BR2_LINUX_NEEDS_MODULES) +# Make sure the Linux kernel is built with the right endianness. Not +# all architectures support +# CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN in Linux, but the +# option will be thrown away and ignored if it doesn't exist. +ifeq ($(BR2_ENDIAN),"BIG") +define LINUX_FIXUP_CONFIG_ENDIANNESS + $(call KCONFIG_ENABLE_OPT,CONFIG_CPU_BIG_ENDIAN,$(@D)/.config) +endef +else +define LINUX_FIXUP_CONFIG_ENDIANNESS + $(call KCONFIG_ENABLE_OPT,CONFIG_CPU_LITTLE_ENDIAN,$(@D)/.config) +endef +endif + define LINUX_KCONFIG_FIXUP_CMDS $(if $(LINUX_NEEDS_MODULES), $(call KCONFIG_ENABLE_OPT,CONFIG_MODULES,$(@D)/.config)) @@ -223,6 +237,7 @@ define LINUX_KCONFIG_FIXUP_CMDS $(foreach opt, $(LINUX_COMPRESSION_OPT_), $(call KCONFIG_DISABLE_OPT,$(opt),$(@D)/.config) ) + $(LINUX_FIXUP_CONFIG_ENDIANNESS) $(if $(BR2_arm)$(BR2_armeb), $(call KCONFIG_ENABLE_OPT,CONFIG_AEABI,$(@D)/.config)) $(if $(BR2_TARGET_ROOTFS_CPIO),