1# 2# (C) Copyright 2007 Semihalf 3# 4# SPDX-License-Identifier: GPL-2.0+ 5# 6 7# Provide symbol API_BUILD to signal that the API example is being built. 8KBUILD_CPPFLAGS += -DAPI_BUILD 9 10ifeq ($(ARCH),powerpc) 11LOAD_ADDR = 0x40000 12endif 13ifeq ($(ARCH),arm) 14LOAD_ADDR = 0x1000000 15endif 16ifeq ($(ARCH),mips) 17ifdef CONFIG_64BIT 18LOAD_ADDR = 0xffffffff80200000 19else 20LOAD_ADDR = 0x80200000 21endif 22endif 23 24# Resulting ELF and binary exectuables will be named demo and demo.bin 25extra-y = demo 26 27# Source files located in the examples/api directory 28OBJ-y += crt0.o 29OBJ-y += demo.o 30OBJ-y += glue.o 31OBJ-y += libgenwrap.o 32 33# Source files which exist outside the examples/api directory 34EXT_COBJ-y += lib/crc32.o 35EXT_COBJ-y += lib/ctype.o 36EXT_COBJ-y += lib/div64.o 37EXT_COBJ-y += lib/string.o 38EXT_COBJ-y += lib/time.o 39EXT_COBJ-y += lib/vsprintf.o 40EXT_COBJ-y += lib/charset.o 41EXT_COBJ-$(CONFIG_LIB_UUID) += lib/uuid.o 42EXT_SOBJ-$(CONFIG_PPC) += arch/powerpc/lib/ppcstring.o 43ifeq ($(ARCH),arm) 44EXT_SOBJ-$(CONFIG_USE_ARCH_MEMSET) += arch/arm/lib/memset.o 45endif 46 47# Create a list of object files to be compiled 48OBJS := $(OBJ-y) $(notdir $(EXT_COBJ-y) $(EXT_SOBJ-y)) 49targets += $(OBJS) 50OBJS := $(addprefix $(obj)/,$(OBJS)) 51 52######################################################################### 53 54quiet_cmd_link_demo = LD $@ 55cmd_link_demo = $(LD) --gc-sections -Ttext $(LOAD_ADDR) -o $@ $(filter-out $(PHONY), $^) $(PLATFORM_LIBS) 56 57$(obj)/demo: $(OBJS) FORCE 58 $(call if_changed,link_demo) 59 60# demo.bin is never genrated. Is this necessary? 61OBJCOPYFLAGS_demo.bin := -O binary 62$(obj)/demo.bin: $(obj)/demo FORCE 63 $(call if_changed,objcopy) 64 65# Rule to build generic library C files 66$(addprefix $(obj)/,$(notdir $(EXT_COBJ-y))): $(obj)/%.o: lib/%.c FORCE 67 $(call cmd,force_checksrc) 68 $(call if_changed_rule,cc_o_c) 69 70# Rule to build architecture-specific library assembly files 71$(addprefix $(obj)/,$(notdir $(EXT_SOBJ-y))): $(obj)/%.o: arch/$(ARCH)/lib/%.S FORCE 72 $(call if_changed_dep,as_o_S) 73