X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fconfig.mk;h=3f4453a23406ff277ce57ed1803971e60b71af9f;hb=7029394d822a7d9e8ccb12d9679030b462e1052f;hp=4e165bfda4e389c9613bbfa6ac0d1ed414775420;hpb=d75c2a3d7f34ff1eb9920ad72483cff7cb6d358f;p=u-boot diff --git a/arch/arm/config.mk b/arch/arm/config.mk index 4e165bfda4..3f4453a234 100644 --- a/arch/arm/config.mk +++ b/arch/arm/config.mk @@ -23,49 +23,67 @@ CROSS_COMPILE ?= arm-linux- -ifeq ($(BOARD),omap2420h4) -STANDALONE_LOAD_ADDR = 0x80300000 -else +ifndef CONFIG_STANDALONE_LOAD_ADDR ifeq ($(SOC),omap3) -STANDALONE_LOAD_ADDR = 0x80300000 +CONFIG_STANDALONE_LOAD_ADDR = 0x80300000 else -STANDALONE_LOAD_ADDR = 0xc100000 +CONFIG_STANDALONE_LOAD_ADDR = 0xc100000 endif endif PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__ -# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: -PLATFORM_CPPFLAGS += $(call cc-option,-marm,) +# Choose between ARM/Thumb instruction sets +ifeq ($(CONFIG_SYS_THUMB_BUILD),y) +PF_CPPFLAGS_ARM := $(call cc-option, -mthumb -mthumb-interwork,\ + $(call cc-option,-marm,)\ + $(call cc-option,-mno-thumb-interwork,)\ + ) +else +PF_CPPFLAGS_ARM := $(call cc-option,-marm,) \ + $(call cc-option,-mno-thumb-interwork,) +endif + +# Only test once +ifneq ($(CONFIG_SPL_BUILD),y) +ALL-$(CONFIG_SYS_THUMB_BUILD) += checkthumb +endif # Try if EABI is supported, else fall back to old API, # i. e. for example: # - with ELDK 4.2 (EABI supported), use: -# -mabi=aapcs-linux -mno-thumb-interwork +# -mabi=aapcs-linux # - with ELDK 4.1 (gcc 4.x, no EABI), use: -# -mabi=apcs-gnu -mno-thumb-interwork +# -mabi=apcs-gnu # - with ELDK 3.1 (gcc 3.x), use: -# -mapcs-32 -mno-thumb-interwork -PLATFORM_CPPFLAGS += $(call cc-option,\ - -mabi=aapcs-linux -mno-thumb-interwork,\ +# -mapcs-32 +PF_CPPFLAGS_ABI := $(call cc-option,\ + -mabi=aapcs-linux,\ + $(call cc-option,\ + -mapcs-32,\ $(call cc-option,\ - -mapcs-32,\ - $(call cc-option,\ - -mabi=apcs-gnu,\ - )\ - ) $(call cc-option,-mno-thumb-interwork,)\ - ) + -mabi=apcs-gnu,\ + )\ + )\ + ) +PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_ARM) $(PF_CPPFLAGS_ABI) # For EABI, make sure to provide raise() ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS))) -# This file is parsed several times; make sure to add only once. -ifeq (,$(findstring arch/arm/lib/eabi_compat.o,$(PLATFORM_LIBS))) -PLATFORM_LIBS += $(OBJTREE)/arch/arm/lib/eabi_compat.o +# This file is parsed many times, so the string may get added multiple +# times. Also, the prefix needs to be different based on whether +# CONFIG_SPL_BUILD is defined or not. 'filter-out' the existing entry +# before adding the correct one. +ifdef CONFIG_SPL_BUILD +PLATFORM_LIBS := $(SPLTREE)/arch/arm/lib/eabi_compat.o \ + $(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS)) +else +PLATFORM_LIBS := $(OBJTREE)/arch/arm/lib/eabi_compat.o \ + $(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS)) endif endif -LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds # needed for relocation ifndef CONFIG_NAND_SPL -PLATFORM_LDFLAGS += -pie +LDFLAGS_u-boot += -pie endif