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 8include $(TOPDIR)/config.mk 9 10ELF-y := hello_world 11 12ELF-$(CONFIG_SMC91111) += smc91111_eeprom 13ELF-$(CONFIG_SMC911X) += smc911x_eeprom 14ELF-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2 15ELF-$(CONFIG_MPC5xxx) += interrupt 16ELF-$(CONFIG_8xx) += test_burst timer 17ELF-$(CONFIG_8260) += mem_to_mem_idma2intr 18ELF-$(CONFIG_PPC) += sched 19 20# 21# Some versions of make do not handle trailing white spaces properly; 22# leading to build failures. The problem was found with GNU Make 3.80. 23# Using 'strip' as a workaround for the problem. 24# 25ELF := $(strip $(ELF-y)) 26 27SREC := $(addsuffix .srec,$(ELF)) 28BIN := $(addsuffix .bin,$(ELF)) 29 30COBJS := $(ELF:=.o) 31 32LIB = $(obj)libstubs.o 33 34LIBAOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o 35LIBAOBJS-$(CONFIG_8xx) += test_burst_lib.o 36LIBAOBJS := $(LIBAOBJS-y) 37 38LIBCOBJS = stubs.o 39 40LIBOBJS = $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS)) 41 42SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S) 43OBJS := $(addprefix $(obj),$(COBJS)) 44ELF := $(addprefix $(obj),$(ELF)) 45BIN := $(addprefix $(obj),$(BIN)) 46SREC := $(addprefix $(obj),$(SREC)) 47 48gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`) 49 50# For PowerPC there's no need to compile standalone applications as a 51# relocatable executable. The relocation data is not needed, and 52# also causes the entry point of the standalone application to be 53# inconsistent. 54ifeq ($(ARCH),powerpc) 55AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS)) 56CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS)) 57CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS)) 58endif 59 60# We don't want gcc reordering functions if possible. This ensures that an 61# application's entry point will be the first function in the application's 62# source file. 63CFLAGS_NTR := $(call cc-option,-fno-toplevel-reorder) 64CFLAGS += $(CFLAGS_NTR) 65 66all: $(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN) $(ELF) 67 68######################################################################### 69$(LIB): $(obj).depend $(LIBOBJS) 70 $(call cmd_link_o_target, $(LIBOBJS)) 71 72$(ELF): 73$(obj)%: $(obj)%.o $(LIB) 74 $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \ 75 -o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \ 76 -L$(gcclibdir) -lgcc 77 78$(SREC): 79$(obj)%.srec: $(obj)% 80 $(OBJCOPY) -O srec $< $@ 2>/dev/null 81 82$(BIN): 83$(obj)%.bin: $(obj)% 84 $(OBJCOPY) -O binary $< $@ 2>/dev/null 85 86######################################################################### 87 88# defines $(obj).depend target 89include $(SRCTREE)/rules.mk 90 91sinclude $(obj).depend 92 93######################################################################### 94