# SPDX-License-Identifier: GPL-2.0+
#
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(ARCH).o
-LIBGCC = $(obj)libgcc.o
-
-GLSOBJS += _ashldi3.o
-GLSOBJS += _ashrdi3.o
-GLSOBJS += _divsi3.o
-GLSOBJS += _lshrdi3.o
-GLSOBJS += _modsi3.o
-GLSOBJS += _udivsi3.o
-GLSOBJS += _umodsi3.o
-
-GLCOBJS += div0.o
-
-SOBJS-y += crt0.o
+lib-$(CONFIG_USE_PRIVATE_LIBGCC) += ashldi3.o ashrdi3.o lshrdi3.o \
+ lib1funcs.o uldivmod.o div0.o \
+ div64.o muldi3.o
+
+ifdef CONFIG_CPU_V7M
+obj-y += vectors_m.o crt0.o
+else ifdef CONFIG_ARM64
+obj-y += crt0_64.o
+else
+obj-y += vectors.o crt0.o
+endif
ifndef CONFIG_SPL_BUILD
-SOBJS-y += relocate.o
-ifndef CONFIG_SYS_GENERIC_BOARD
-COBJS-y += board.o
+ifdef CONFIG_ARM64
+obj-y += relocate_64.o
+else
+obj-y += relocate.o
endif
-COBJS-y += sections.o
-COBJS-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
-COBJS-$(CONFIG_CMD_BOOTM) += bootm.o
-COBJS-$(CONFIG_SYS_L2_PL310) += cache-pl310.o
-SOBJS-$(CONFIG_USE_ARCH_MEMSET) += memset.o
-SOBJS-$(CONFIG_USE_ARCH_MEMCPY) += memcpy.o
+obj-$(CONFIG_CPU_V7M) += cmd_boot.o
+obj-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
+obj-$(CONFIG_CMD_BOOTM) += bootm.o
+obj-$(CONFIG_SYS_L2_PL310) += cache-pl310.o
+obj-$(CONFIG_USE_ARCH_MEMSET) += memset.o
+obj-$(CONFIG_USE_ARCH_MEMCPY) += memcpy.o
else
-COBJS-$(CONFIG_SPL_FRAMEWORK) += spl.o
+obj-$(CONFIG_SPL_FRAMEWORK) += spl.o
+endif
+obj-$(CONFIG_SEMIHOSTING) += semihosting.o
+
+obj-y += sections.o
+obj-y += stack.o
+ifdef CONFIG_CPU_V7M
+obj-y += interrupts_m.o
+else ifdef CONFIG_ARM64
+obj-y += ccn504.o
+obj-y += gic_64.o
+obj-y += interrupts_64.o
+else
+obj-y += interrupts.o
+endif
+ifndef CONFIG_SYSRESET
+obj-y += reset.o
endif
-COBJS-y += interrupts.o
-COBJS-y += reset.o
-
-COBJS-y += cache.o
-COBJS-y += cache-cp15.o
-
-SRCS := $(GLSOBJS:.o=.S) $(GLCOBJS:.o=.c) \
- $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
-LGOBJS := $(addprefix $(obj),$(GLSOBJS)) \
- $(addprefix $(obj),$(GLCOBJS))
-
-# Always build libarm.o
-TARGETS := $(LIB)
-
-# Build private libgcc only when asked for
-ifdef USE_PRIVATE_LIBGCC
-TARGETS += $(LIBGCC)
+obj-y += cache.o
+ifndef CONFIG_ARM64
+obj-y += cache-cp15.o
endif
+obj-$(CONFIG_DEBUG_LL) += debug.o
+
# For EABI conformant tool chains, provide eabi_compat()
ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
-TARGETS += $(obj)eabi_compat.o
+extra-y += eabi_compat.o
endif
-all: $(TARGETS)
+asflags-y += -DCONFIG_ARM_ASM_UNIFIED
+ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy)
+asflags-y += -D__LINUX_ARM_ARCH__=4
+else
+asflags-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH)
+endif
-$(LIB): $(obj).depend $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
+# some files can only build in ARM or THUMB2, not THUMB1
-$(LIBGCC): $(obj).depend $(LGOBJS)
- $(call cmd_link_o_target, $(LGOBJS))
+ifdef CONFIG_SYS_THUMB_BUILD
+asflags-$(CONFIG_HAS_THUMB2) += -DCONFIG_THUMB2_KERNEL
+ifndef CONFIG_HAS_THUMB2
-#########################################################################
+# for C files, just apend -marm, which will override previous -mthumb*
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
+CFLAGS_cache.o := -marm
+CFLAGS_cache-cp15.o := -marm
-sinclude $(obj).depend
+# For .S, drop -mthumb* and other thumb-related options.
+# CFLAGS_REMOVE_* would not have an effet, so AFLAGS_REMOVE_*
+# was implemented and is used here.
+# Also, define ${target}_NO_THUMB_BUILD for these two targets
+# so that the code knows it should not use Thumb.
-#########################################################################
+AFLAGS_REMOVE_memset.o := -mthumb -mthumb-interwork
+AFLAGS_REMOVE_memcpy.o := -mthumb -mthumb-interwork
+AFLAGS_memset.o := -DMEMSET_NO_THUMB_BUILD
+AFLAGS_memcpy.o := -DMEMCPY_NO_THUMB_BUILD
+endif
+endif