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 $(TOPDIR)/config.mk 9 10ELF-$(ARCH) := 11ELF-$(BOARD) := 12ELF-$(CPU) := 13ELF-y := hello_world 14 15ELF-$(CONFIG_SMC91111) += smc91111_eeprom 16ELF-$(CONFIG_SMC911X) += smc911x_eeprom 17ELF-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2 18ELF-i386 += 82559_eeprom 19ELF-mpc5xxx += interrupt 20ELF-mpc8xx += test_burst timer 21ELF-mpc8260 += mem_to_mem_idma2intr 22ELF-ppc += sched 23ELF-oxc += eepro100_eeprom 24 25# 26# Some versions of make do not handle trailing white spaces properly; 27# leading to build failures. The problem was found with GNU Make 3.80. 28# Using 'strip' as a workaround for the problem. 29# 30ELF := $(strip $(ELF-y) $(ELF-$(ARCH)) $(ELF-$(BOARD)) $(ELF-$(CPU))) 31 32SREC := $(addsuffix .srec,$(ELF)) 33BIN := $(addsuffix .bin,$(ELF)) 34 35COBJS := $(ELF:=.o) 36 37LIB = $(obj)libstubs.o 38 39LIBAOBJS-$(ARCH) := 40LIBAOBJS-$(CPU) := 41LIBAOBJS-ppc += $(ARCH)_longjmp.o $(ARCH)_setjmp.o 42LIBAOBJS-mpc8xx += test_burst_lib.o 43LIBAOBJS := $(LIBAOBJS-$(ARCH)) $(LIBAOBJS-$(CPU)) 44 45LIBCOBJS = stubs.o 46 47LIBOBJS = $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS)) 48 49SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S) 50OBJS := $(addprefix $(obj),$(COBJS)) 51ELF := $(addprefix $(obj),$(ELF)) 52BIN := $(addprefix $(obj),$(BIN)) 53SREC := $(addprefix $(obj),$(SREC)) 54 55# Add GCC lib 56ifdef USE_PRIVATE_LIBGCC 57ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 58PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 59else 60PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 61endif 62else 63PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 64endif 65PLATFORM_LIBS += $(PLATFORM_LIBGCC) 66export PLATFORM_LIBS 67 68CPPFLAGS += -I.. 69 70# For PowerPC there's no need to compile standalone applications as a 71# relocatable executable. The relocation data is not needed, and 72# also causes the entry point of the standalone application to be 73# inconsistent. 74ifeq ($(ARCH),powerpc) 75AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS)) 76CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS)) 77CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS)) 78endif 79 80# We don't want gcc reordering functions if possible. This ensures that an 81# application's entry point will be the first function in the application's 82# source file. 83CFLAGS_NTR := $(call cc-option,-fno-toplevel-reorder) 84CFLAGS += $(CFLAGS_NTR) 85 86all: $(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN) $(ELF) 87 88######################################################################### 89$(LIB): $(obj).depend $(LIBOBJS) 90 $(call cmd_link_o_target, $(LIBOBJS)) 91 92$(ELF): 93$(obj)%: $(obj)%.o $(LIB) 94 $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \ 95 -o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \ 96 $(PLATFORM_LIBS) 97 98$(SREC): 99$(obj)%.srec: $(obj)% 100 $(OBJCOPY) -O srec $< $@ 2>/dev/null 101 102$(BIN): 103$(obj)%.bin: $(obj)% 104 $(OBJCOPY) -O binary $< $@ 2>/dev/null 105 106######################################################################### 107 108# defines $(obj).depend target 109include $(SRCTREE)/rules.mk 110 111sinclude $(obj).depend 112 113######################################################################### 114