diff options
Diffstat (limited to 'arch/xtensa/Makefile')
| -rw-r--r-- | arch/xtensa/Makefile | 69 |
1 files changed, 45 insertions, 24 deletions
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile index 1da55fe4bef..81250ece306 100644 --- a/arch/xtensa/Makefile +++ b/arch/xtensa/Makefile @@ -15,24 +15,53 @@ variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b +variant-$(CONFIG_XTENSA_VARIANT_DC233C) := dc233c +variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000 variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom VARIANT = $(variant-y) export VARIANT +# Test for cross compiling + +ifneq ($(VARIANT),) + COMPILE_ARCH = $(shell uname -m) + + ifneq ($(COMPILE_ARCH), xtensa) + ifndef CROSS_COMPILE + CROSS_COMPILE = xtensa_$(VARIANT)- + endif + endif +endif + # Platform configuration platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss +platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 +platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga PLATFORM = $(platform-y) export PLATFORM # temporarily until string.h is fixed -KBUILD_CFLAGS += -ffreestanding +KBUILD_CFLAGS += -ffreestanding -D__linux__ KBUILD_CFLAGS += -pipe -mlongcalls +KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) + +ifneq ($(CONFIG_LD_NO_RELAX),) +LDFLAGS := --no-relax +endif + +ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1) +CHECKFLAGS += -D__XTENSA_EB__ +endif +ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1) +CHECKFLAGS += -D__XTENSA_EL__ +endif + vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) @@ -44,46 +73,38 @@ endif KBUILD_DEFCONFIG := iss_defconfig -# ramdisk/initrd support -# You need a compressed ramdisk image, named ramdisk.gz in -# arch/xtensa/boot/ramdisk - -core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/ +# Only build variant and/or platform if it includes a Makefile -# Test for cross compiling +buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) +buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) -ifneq ($(VARIANT),) - COMPILE_ARCH = $(shell uname -m) - - ifneq ($(COMPILE_ARCH), xtensa) - ifndef CROSS_COMPILE - CROSS_COMPILE = xtensa_$(VARIANT)- - endif - endif -endif - -# +# Find libgcc.a LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) head-y := arch/xtensa/kernel/head.o core-y += arch/xtensa/kernel/ arch/xtensa/mm/ -ifneq ($(PLATFORM),) -core-y += arch/xtensa/platforms/$(PLATFORM)/ -endif +core-y += $(buildvar) $(buildplf) + libs-y += arch/xtensa/lib/ $(LIBGCC) +drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/ -boot := arch/xtensa/boot +ifneq ($(CONFIG_BUILTIN_DTB),"") +core-$(CONFIG_OF) += arch/xtensa/boot/dts/ +endif +boot := arch/xtensa/boot all: zImage bzImage : zImage -zImage zImage.initrd: vmlinux +zImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $@ +%.dtb: + $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@ + define archhelp @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' endef - |