xref: /openbmc/u-boot/examples/standalone/Makefile (revision 4a20df39) 
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
38LIBOBJS	= $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS))
39
40SRCS	:= $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
41OBJS	:= $(addprefix $(obj),$(COBJS))
42ELF	:= $(addprefix $(obj),$(ELF))
43
44gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
45
46# For PowerPC there's no need to compile standalone applications as a
47# relocatable executable.  The relocation data is not needed, and
48# also causes the entry point of the standalone application to be
49# inconsistent.
50ifeq ($(ARCH),powerpc)
51AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS))
52CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS))
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.
59CFLAGS += $(call cc-option,-fno-toplevel-reorder)
60
61#########################################################################
62$(LIB):	$(LIBOBJS)
63	$(call cmd_link_o_target, $(LIBOBJS))
64
65$(ELF):
66$(obj)%:	$(obj)%.o $(LIB)
67		$(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \
68			-o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \
69			-L$(gcclibdir) -lgcc
70
71$(obj)%.srec:	$(obj)%
72		$(OBJCOPY) -O srec $< $@ 2>/dev/null
73
74$(obj)%.bin:	$(obj)%
75		$(OBJCOPY) -O binary $< $@ 2>/dev/null
76