| # SPDX-License-Identifier: GPL-2.0+ |
| # |
| # (C) Copyright 2007 Semihalf |
| |
| # Provide symbol API_BUILD to signal that the API example is being built. |
| KBUILD_CPPFLAGS += -DAPI_BUILD |
| |
| ifeq ($(ARCH),powerpc) |
| LOAD_ADDR = 0x40000 |
| endif |
| ifeq ($(ARCH),arm) |
| LOAD_ADDR = 0x1000000 |
| endif |
| ifeq ($(ARCH),mips) |
| ifdef CONFIG_64BIT |
| LOAD_ADDR = 0xffffffff80200000 |
| else |
| LOAD_ADDR = 0x80200000 |
| endif |
| endif |
| |
| # Resulting ELF and binary exectuables will be named demo and demo.bin |
| extra-y = demo |
| |
| # Source files located in the examples/api directory |
| OBJ-y += crt0.o |
| OBJ-y += demo.o |
| OBJ-y += glue.o |
| OBJ-y += libgenwrap.o |
| |
| # Source files which exist outside the examples/api directory |
| EXT_COBJ-y += lib/crc32.o |
| EXT_COBJ-y += lib/ctype.o |
| EXT_COBJ-y += lib/div64.o |
| EXT_COBJ-y += lib/hexdump.o |
| EXT_COBJ-y += lib/string.o |
| EXT_COBJ-y += lib/time.o |
| EXT_COBJ-y += lib/vsprintf.o |
| EXT_COBJ-y += lib/charset.o |
| EXT_COBJ-$(CONFIG_LIB_UUID) += lib/uuid.o |
| EXT_SOBJ-$(CONFIG_PPC) += arch/powerpc/lib/ppcstring.o |
| ifeq ($(ARCH),arm) |
| EXT_SOBJ-$(CONFIG_USE_ARCH_MEMSET) += arch/arm/lib/memset.o |
| endif |
| |
| # Create a list of object files to be compiled |
| OBJS := $(OBJ-y) $(notdir $(EXT_COBJ-y) $(EXT_SOBJ-y)) |
| targets += $(OBJS) |
| OBJS := $(addprefix $(obj)/,$(OBJS)) |
| |
| ######################################################################### |
| |
| quiet_cmd_link_demo = LD $@ |
| cmd_link_demo = $(LD) --gc-sections -Ttext $(LOAD_ADDR) -o $@ $(filter-out $(PHONY), $^) $(PLATFORM_LIBS) |
| |
| $(obj)/demo: $(OBJS) FORCE |
| $(call if_changed,link_demo) |
| |
| # demo.bin is never genrated. Is this necessary? |
| OBJCOPYFLAGS_demo.bin := -O binary |
| $(obj)/demo.bin: $(obj)/demo FORCE |
| $(call if_changed,objcopy) |
| |
| # Rule to build generic library C files |
| $(addprefix $(obj)/,$(notdir $(EXT_COBJ-y))): $(obj)/%.o: lib/%.c FORCE |
| $(call cmd,force_checksrc) |
| $(call if_changed_rule,cc_o_c) |
| |
| # Rule to build architecture-specific library assembly files |
| $(addprefix $(obj)/,$(notdir $(EXT_SOBJ-y))): $(obj)/%.o: arch/$(ARCH)/lib/%.S FORCE |
| $(call if_changed_dep,as_o_S) |