X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fconfig.mk;h=f4c2d81044addd5b1a6446940c29d39e49b95450;hb=4ab3fc5eba1d24f37ab33f83ea39c1f7082075d3;hp=540a1192c25bc405f20357ceeaba407d67410e8e;hpb=c2120fbfbc4d1f6953228f86be8bdbf38bacfdab;p=u-boot diff --git a/arch/arm/config.mk b/arch/arm/config.mk index 540a1192c2..f4c2d81044 100644 --- a/arch/arm/config.mk +++ b/arch/arm/config.mk @@ -5,10 +5,12 @@ # SPDX-License-Identifier: GPL-2.0+ # -CROSS_COMPILE ?= arm-linux- +ifeq ($(CROSS_COMPILE),) +CROSS_COMPILE := arm-linux- +endif ifndef CONFIG_STANDALONE_LOAD_ADDR -ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),) +ifneq ($(CONFIG_OMAP_COMMON),) CONFIG_STANDALONE_LOAD_ADDR = 0x80300000 else CONFIG_STANDALONE_LOAD_ADDR = 0xc100000 @@ -16,7 +18,10 @@ endif endif LDFLAGS_FINAL += --gc-sections -PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections +PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections \ + -fno-common -ffixed-r9 +PLATFORM_RELFLAGS += $(call cc-option, -msoft-float) \ + $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) # Support generic board on ARM __HAVE_ARCH_GENERIC_BOARD := y @@ -36,7 +41,17 @@ endif # Only test once ifneq ($(CONFIG_SPL_BUILD),y) -ALL-$(CONFIG_SYS_THUMB_BUILD) += checkthumb +ifeq ($(CONFIG_SYS_THUMB_BUILD),y) +archprepare: checkthumb + +checkthumb: + @if test "$(call cc-version)" -lt "0404"; then \ + echo -n '*** Your GCC does not produce working '; \ + echo 'binaries in THUMB mode.'; \ + echo '*** Your board is configured for THUMB mode.'; \ + false; \ + fi +endif endif # Try if EABI is supported, else fall back to old API, @@ -64,13 +79,8 @@ ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS))) # 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 +PLATFORM_LIBS := arch/arm/lib/eabi_compat.o \ + $(filter-out arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS)) endif # needed for relocation @@ -94,7 +104,28 @@ PLATFORM_RELFLAGS += -fno-optimize-sibling-calls endif endif -# check that only R_ARM_RELATIVE relocations are generated ifneq ($(CONFIG_SPL_BUILD),y) -ALL-y += checkarmreloc +# Check that only R_ARM_RELATIVE relocations are generated. +ALL-y += checkarmreloc +# The movt / movw can hardcode 16 bit parts of the addresses in the +# instruction. Relocation is not supported for that case, so disable +# such usage by requiring word relocations. +PLATFORM_CPPFLAGS += $(call cc-option, -mword-relocations) +endif + +# limit ourselves to the sections we want in the .bin. +ifdef CONFIG_ARM64 +OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rela.dyn +else +OBJCOPYFLAGS += -j .text -j .rodata -j .hash -j .data -j .got.plt -j .u_boot_list -j .rel.dyn +endif + +ifneq ($(CONFIG_IMX_CONFIG),) +ifdef CONFIG_SPL +ifndef CONFIG_SPL_BUILD +ALL-y += SPL +endif +else +ALL-y += u-boot.imx +endif endif