1# 2# (C) Copyright 2007 Semihalf 3# 4# SPDX-License-Identifier: GPL-2.0+ 5# 6 7ifeq ($(ARCH),powerpc) 8LOAD_ADDR = 0x40000 9endif 10ifeq ($(ARCH),arm) 11LOAD_ADDR = 0x1000000 12endif 13ifeq ($(ARCH),mips) 14ifdef CONFIG_64BIT 15LOAD_ADDR = 0xffffffff80200000 16else 17LOAD_ADDR = 0x80200000 18endif 19endif 20 21# Resulting ELF and binary exectuables will be named demo and demo.bin 22extra-y = demo 23 24# Source files located in the examples/api directory 25OBJ-y += crt0.o 26OBJ-y += demo.o 27OBJ-y += glue.o 28OBJ-y += libgenwrap.o 29 30# Source files which exist outside the examples/api directory 31EXT_COBJ-y += lib/crc32.o 32EXT_COBJ-y += lib/ctype.o 33EXT_COBJ-y += lib/div64.o 34EXT_COBJ-y += lib/string.o 35EXT_COBJ-y += lib/time.o 36EXT_COBJ-y += lib/vsprintf.o 37EXT_COBJ-y += lib/charset.o 38EXT_SOBJ-$(CONFIG_PPC) += arch/powerpc/lib/ppcstring.o 39ifeq ($(ARCH),arm) 40EXT_SOBJ-$(CONFIG_USE_ARCH_MEMSET) += arch/arm/lib/memset.o 41endif 42 43# Create a list of object files to be compiled 44OBJS := $(OBJ-y) $(notdir $(EXT_COBJ-y) $(EXT_SOBJ-y)) 45targets += $(OBJS) 46OBJS := $(addprefix $(obj)/,$(OBJS)) 47 48######################################################################### 49 50quiet_cmd_link_demo = LD $@ 51cmd_link_demo = $(LD) --gc-sections -Ttext $(LOAD_ADDR) -o $@ $(filter-out $(PHONY), $^) $(PLATFORM_LIBS) 52 53$(obj)/demo: $(OBJS) FORCE 54 $(call if_changed,link_demo) 55 56# demo.bin is never genrated. Is this necessary? 57OBJCOPYFLAGS_demo.bin := -O binary 58$(obj)/demo.bin: $(obj)/demo FORCE 59 $(call if_changed,objcopy) 60 61# Rule to build generic library C files 62$(addprefix $(obj)/,$(notdir $(EXT_COBJ-y))): $(obj)/%.o: lib/%.c FORCE 63 $(call cmd,force_checksrc) 64 $(call if_changed_rule,cc_o_c) 65 66# Rule to build architecture-specific library assembly files 67$(addprefix $(obj)/,$(notdir $(EXT_SOBJ-y))): $(obj)/%.o: arch/$(ARCH)/lib/%.S FORCE 68 $(call if_changed_dep,as_o_S) 69