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 27 28COBJS := $(ELF:=.o) 29 30LIB = $(obj)/libstubs.o 31 32LIBAOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o 33LIBAOBJS-$(CONFIG_8xx) += test_burst_lib.o 34LIBAOBJS := $(LIBAOBJS-y) 35 36LIBCOBJS = stubs.o 37 38.SECONDARY: $(call objectify,$(COBJS)) 39targets += $(patsubst $(obj)/%,%,$(LIB)) $(COBJS) $(LIBAOBJS) $(LIBCOBJS) 40 41LIBOBJS = $(addprefix $(obj)/,$(LIBAOBJS) $(LIBCOBJS)) 42 43ELF := $(addprefix $(obj)/,$(ELF)) 44 45gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`) 46 47# For PowerPC there's no need to compile standalone applications as a 48# relocatable executable. The relocation data is not needed, and 49# also causes the entry point of the standalone application to be 50# inconsistent. 51ifeq ($(ARCH),powerpc) 52# FIX ME 53CPPFLAGS := $(filter-out $(RELFLAGS), $(CPPFLAGS)) 54endif 55 56# We don't want gcc reordering functions if possible. This ensures that an 57# application's entry point will be the first function in the application's 58# source file. 59ccflags-y += $(call cc-option,-fno-toplevel-reorder) 60 61######################################################################### 62 63quiet_cmd_link_lib = LD $@ 64 cmd_link_lib = $(LD) $(ld_flags) -r -o $@ $(filter $(LIBOBJS), $^) 65 66$(LIB): $(LIBOBJS) FORCE 67 $(call if_changed,link_lib) 68 69$(ELF): 70$(obj)/%: $(obj)/%.o $(LIB) 71 $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \ 72 -o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \ 73 -L$(gcclibdir) -lgcc 74 75$(obj)/%.srec: $(obj)/% 76 $(OBJCOPY) -O srec $< $@ 2>/dev/null 77 78$(obj)/%.bin: $(obj)/% 79 $(OBJCOPY) -O binary $< $@ 2>/dev/null 80