X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Fconfig.mk;h=9a5a9747c48a4b82380c34f568fb1239be0cb6cd;hb=3c27b6ad540828c44a62d209030df5ba86896df0;hp=cfa42094ca7941416c23a2bc97e446d200c417cf;hpb=707acd01ded3c60a4e277f7c5432d397897b4dfd;p=oweals%2Fu-boot.git diff --git a/arch/arm/config.mk b/arch/arm/config.mk index cfa42094ca..9a5a9747c4 100644 --- a/arch/arm/config.mk +++ b/arch/arm/config.mk @@ -5,8 +5,6 @@ # SPDX-License-Identifier: GPL-2.0+ # -CROSS_COMPILE ?= arm-linux- - ifndef CONFIG_STANDALONE_LOAD_ADDR ifneq ($(CONFIG_OMAP_COMMON),) CONFIG_STANDALONE_LOAD_ADDR = 0x80300000 @@ -18,16 +16,22 @@ endif LDFLAGS_FINAL += --gc-sections PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections \ -fno-common -ffixed-r9 -PLATFORM_RELFLAGS += $(call cc-option, -msoft-float) +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 +# LLVM support +LLVMS_RELFLAGS := $(call cc-option,-mllvm,) \ + $(call cc-option,-target arm-none-eabi,) \ + $(call cc-option,-arm-use-movt=0,) +PLATFORM_RELFLAGS += $(LLVM_RELFLAGS) -PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__ +PLATFORM_CPPFLAGS += -D__ARM__ # Choose between ARM/Thumb instruction sets ifeq ($(CONFIG_SYS_THUMB_BUILD),y) -PF_CPPFLAGS_ARM := $(call cc-option, -mthumb -mthumb-interwork,\ +AFLAGS_IMPLICIT_IT := $(call as-option,-Wa$(comma)-mimplicit-it=always) +PF_CPPFLAGS_ARM := $(AFLAGS_IMPLICIT_IT) \ + $(call cc-option, -mthumb -mthumb-interwork,\ $(call cc-option,-marm,)\ $(call cc-option,-mno-thumb-interwork,)\ ) @@ -38,7 +42,18 @@ endif # Only test once ifneq ($(CONFIG_SPL_BUILD),y) -ALL-$(CONFIG_SYS_THUMB_BUILD) += checkthumb +ifeq ($(CONFIG_SYS_THUMB_BUILD),y) +archprepare: checkthumb + +checkthumb: + @if test "$(call cc-name)" = "gcc" -a \ + "$(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, @@ -66,13 +81,8 @@ 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 @@ -103,11 +113,35 @@ ALL-y += checkarmreloc # instruction. Relocation is not supported for that case, so disable # such usage by requiring word relocations. PLATFORM_CPPFLAGS += $(call cc-option, -mword-relocations) +PLATFORM_CPPFLAGS += $(call cc-option, -fno-pic) endif # limit ourselves to the sections we want in the .bin. ifdef CONFIG_ARM64 -OBJCFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rela.dyn +OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rela.dyn else -OBJCFLAGS += -j .text -j .rodata -j .hash -j .data -j .got.plt -j .u_boot_list -j .rel.dyn +OBJCOPYFLAGS += -j .text -j .secure_text -j .rodata -j .hash -j .data -j \ + .got -j .got.plt -j .u_boot_list -j .rel.dyn +endif + +ifdef CONFIG_OF_EMBED +OBJCOPYFLAGS += -j .dtb.init.rodata +endif + +ifdef CONFIG_EFI_LOADER +OBJCOPYFLAGS += -j .efi_runtime -j .efi_runtime_rel +endif + +ifneq ($(CONFIG_IMX_CONFIG),) +ifdef CONFIG_SPL +ifndef CONFIG_SPL_BUILD +ALL-y += SPL +endif +else +ifeq ($(CONFIG_OF_SEPARATE),y) +ALL-y += u-boot-dtb.imx +else +ALL-y += u-boot.imx +endif +endif endif