1# 2# (C) Copyright 2000-2006 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8extra-y := hello_world 9extra-$(CONFIG_SMC91111) += smc91111_eeprom 10extra-$(CONFIG_SMC911X) += smc911x_eeprom 11extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2 12extra-$(CONFIG_MPC5xxx) += interrupt 13extra-$(CONFIG_8xx) += test_burst timer 14extra-$(CONFIG_8260) += mem_to_mem_idma2intr 15extra-$(CONFIG_PPC) += sched 16 17# 18# Some versions of make do not handle trailing white spaces properly; 19# leading to build failures. The problem was found with GNU Make 3.80. 20# Using 'strip' as a workaround for the problem. 21# 22ELF := $(strip $(extra-y)) 23 24extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y)) 25clean-files := $(extra-) $(addsuffix .srec,$(extra-)) $(addsuffix .bin,$(extra-)) 26 27COBJS := $(ELF:=.o) 28 29LIB = $(obj)/libstubs.o 30 31LIBOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o 32LIBOBJS-$(CONFIG_8xx) += test_burst_lib.o 33LIBOBJS-y += stubs.o 34 35.SECONDARY: $(call objectify,$(COBJS)) 36targets += $(patsubst $(obj)/%,%,$(LIB)) $(COBJS) $(LIBOBJS-y) 37 38LIBOBJS := $(addprefix $(obj)/,$(LIBOBJS-y)) 39ELF := $(addprefix $(obj)/,$(ELF)) 40 41gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`) 42 43# For PowerPC there's no need to compile standalone applications as a 44# relocatable executable. The relocation data is not needed, and 45# also causes the entry point of the standalone application to be 46# inconsistent. 47ifeq ($(ARCH),powerpc) 48# FIX ME 49CPPFLAGS := $(filter-out $(RELFLAGS), $(CPPFLAGS)) 50endif 51 52# We don't want gcc reordering functions if possible. This ensures that an 53# application's entry point will be the first function in the application's 54# source file. 55ccflags-y += $(call cc-option,-fno-toplevel-reorder) 56 57######################################################################### 58 59quiet_cmd_link_lib = LD $@ 60 cmd_link_lib = $(LD) $(ld_flags) -r -o $@ $(filter $(LIBOBJS), $^) 61 62$(LIB): $(LIBOBJS) FORCE 63 $(call if_changed,link_lib) 64 65quiet_cmd_link_elf = LD $@ 66 cmd_link_elf = $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \ 67 -o $@ -e $(SYM_PREFIX)$(@F) $< $(LIB) -L$(gcclibdir) -lgcc 68 69$(ELF): $(obj)/%: $(obj)/%.o $(LIB) FORCE 70 $(call if_changed,link_elf) 71 72$(obj)/%.srec: OBJCOPYFLAGS := -O srec 73$(obj)/%.srec: $(obj)/% FORCE 74 $(call if_changed,objcopy) 75 76$(obj)/%.bin: OBJCOPYFLAGS := -O binary 77$(obj)/%.bin: $(obj)/% FORCE 78 $(call if_changed,objcopy) 79