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