X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fconfig.mk;h=8f8586295efd76e57f00c07c0214c103e8d99d4b;hb=1f29738ad13ad178185490db0bb17ad71343e251;hp=d0cf43ff417c996cb9f24313b8620f726fc3f184;hpb=6297872cd5de4705b6318778261b1f3f64a34c11;p=u-boot

diff --git a/arch/arm/config.mk b/arch/arm/config.mk
index d0cf43ff41..8f8586295e 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
@@ -17,16 +15,23 @@ endif
 
 LDFLAGS_FINAL += --gc-sections
 PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections \
-                     -fno-common -ffixed-r9 -msoft-float
+		     -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
+# 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,)\
 		)
@@ -37,7 +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,
@@ -65,13 +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
@@ -102,4 +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 += $(call cc-option, -fno-pic)
+endif
+
+# limit ourselves to the sections we want in the .bin.
+ifdef CONFIG_ARM64
+OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rela.dyn
+else
+OBJCOPYFLAGS += -j .text -j .secure_text -j .secure_data -j .rodata -j .hash \
+		-j .data -j .got -j .got.plt -j .u_boot_list -j .rel.dyn
+endif
+
+ifdef CONFIG_OF_EMBED
+OBJCOPYFLAGS += -j .dtb.init.rodata
+endif
+
+ifdef CONFIG_EFI_LOADER
+OBJCOPYFLAGS += -j .efi_runtime -j .efi_runtime_rel
+endif
+
+ifneq ($(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