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CPPFLAGS += -D__ARM__ -fno-strict-aliasing
# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
CPPFLAGS +=$(call cc-option,-marm,)
ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
CPPFLAGS += -mbig-endian
AS += -EB
LD += -EB
else
CPPFLAGS += -mlittle-endian
AS += -EL
LD += -EL
endif
comma = ,
# This selects which instruction set is used.
# Note that GCC does not numerically define an architecture version
# macro, but instead defines a whole series of macros which makes
# testing for a specific architecture or later rather impossible.
arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
# This selects how we optimise for the processor.
tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
ifeq ($(CONFIG_AEABI),y)
CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
else
CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
endif
CPPFLAGS += $(CFLAGS_ABI) $(arch-y) $(tune-y)
# Machine directory name. This list is sorted alphanumerically
# by CONFIG_* macro name.
machine-$(CONFIG_ARCH_AT91) := at91
machine-$(CONFIG_ARCH_EP93XX) := ep93xx
machine-$(CONFIG_ARCH_IMX) := imx
machine-$(CONFIG_ARCH_NOMADIK) := nomadik
machine-$(CONFIG_ARCH_NETX) := netx
machine-$(CONFIG_ARCH_OMAP) := omap
machine-$(CONFIG_ARCH_S3C24xx) := s3c24xx
# Board directory name. This list is sorted alphanumerically
# by CONFIG_* macro name.
board-$(CONFIG_MACH_A9M2410) := a9m2410
board-$(CONFIG_MACH_A9M2440) := a9m2440
board-$(CONFIG_MACH_AT91SAM9260EK) := at91sam9260ek
board-$(CONFIG_MACH_AT91SAM9263EK) := at91sam9263ek
board-$(CONFIG_MACH_AT91SAM9G20EK) := at91sam9260ek
board-$(CONFIG_MACH_EDB9301) := edb93xx
board-$(CONFIG_MACH_EDB9302) := edb93xx
board-$(CONFIG_MACH_EDB9302A) := edb93xx
board-$(CONFIG_MACH_EDB9307) := edb93xx
board-$(CONFIG_MACH_EDB9307A) := edb93xx
board-$(CONFIG_MACH_EDB93012) := edb93xx
board-$(CONFIG_MACH_EDB9315) := edb93xx
board-$(CONFIG_MACH_EDB9315A) := edb93xx
board-$(CONFIG_MACH_EUKREA_CPUIMX25) := eukrea_cpuimx25
board-$(CONFIG_MACH_EUKREA_CPUIMX27) := eukrea_cpuimx27
board-$(CONFIG_MACH_EUKREA_CPUIMX35) := eukrea_cpuimx35
board-$(CONFIG_MACH_FREESCALE_MX25_3STACK) := freescale-mx25-3-stack
board-$(CONFIG_MACH_FREESCALE_MX35_3STACK) := freescale-mx35-3-stack
board-$(CONFIG_MACH_IMX21ADS) := imx21ads
board-$(CONFIG_MACH_IMX27ADS) := imx27ads
board-$(CONFIG_MACH_MMCCPU) := mmccpu
board-$(CONFIG_MACH_MX1ADS) := mx1ads
board-$(CONFIG_MACH_NOMADIK_8815NHK) := nhk8815
board-$(CONFIG_MACH_NXDB500) := netx
board-$(CONFIG_ARCH_OMAP) := omap
board-$(CONFIG_MACH_PCA100) := phycard-i.MX27
board-$(CONFIG_MACH_PCM037) := pcm037
board-$(CONFIG_MACH_PCM038) := pcm038
board-$(CONFIG_MACH_PCM043) := pcm043
board-$(CONFIG_MACH_PM9263) := pm9263
board-$(CONFIG_MACH_SCB9328) := scb9328
board-$(CONFIG_MACH_NESO) := guf-neso
machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
ifeq ($(KBUILD_SRC),)
CPPFLAGS += $(patsubst %,-I%include,$(machdirs))
else
CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
endif
TEXT_BASE = $(CONFIG_TEXT_BASE)
CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -P
ifndef CONFIG_MODULES
# Add cleanup flags
CPPFLAGS += -fdata-sections -ffunction-sections
LDFLAGS_barebox += -static --gc-sections
endif
barebox.netx: barebox.bin
$(Q)scripts/gen_netx_image -i barebox.bin -o barebox.netx \
--sdramctrl=$(CONFIG_NETX_SDRAM_CTRL) \
--sdramtimctrl=$(CONFIG_NETX_SDRAM_TIMING_CTRL) \
--memctrl=$(CONFIG_NETX_MEM_CTRL) \
--entrypoint=$(CONFIG_TEXT_BASE) \
--cookie=$(CONFIG_NETX_COOKIE);
ifeq ($(machine-y),netx)
KBUILD_IMAGE := barebox.netx
endif
all: $(KBUILD_IMAGE)
archprepare: maketools
maketools:
$(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
PHONY += maketools
ifneq ($(board-y),)
BOARD := arch/arm/boards/$(board-y)/
else
BOARD :=
endif
ifneq ($(machine-y),)
MACH := arch/arm/mach-$(machine-y)/
else
MACH :=
endif
common-y += $(BOARD) $(MACH)
common-y += arch/arm/lib/ arch/arm/cpu/
lds-$(CONFIG_GENERIC_LINKER_SCRIPT) := arch/arm/lib/barebox.lds
lds-$(CONFIG_BOARD_LINKER_SCRIPT) := $(BOARD)/barebox.lds
CLEAN_FILES += include/generated/mach-types.h arch/arm/lib/barebox.lds
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