xref: /openbmc/u-boot/examples/standalone/Makefile (revision fdb87049) 
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-$(CPU)   :=
12ELF-y        := hello_world
13
14ELF-$(CONFIG_SMC91111)           += smc91111_eeprom
15ELF-$(CONFIG_SMC911X)            += smc911x_eeprom
16ELF-$(CONFIG_SPI_FLASH_ATMEL)    += atmel_df_pow2
17ELF-i386                         += 82559_eeprom
18ELF-mpc5xxx                      += interrupt
19ELF-mpc8xx                       += test_burst timer
20ELF-mpc8260                      += mem_to_mem_idma2intr
21ELF-ppc                          += sched
22
23#
24# Some versions of make do not handle trailing white spaces properly;
25# leading to build failures. The problem was found with GNU Make 3.80.
26# Using 'strip' as a workaround for the problem.
27#
28ELF := $(strip $(ELF-y) $(ELF-$(ARCH)) $(ELF-$(CPU)))
29
30SREC := $(addsuffix .srec,$(ELF))
31BIN  := $(addsuffix .bin,$(ELF))
32
33COBJS	:= $(ELF:=.o)
34
35LIB	= $(obj)libstubs.o
36
37LIBAOBJS-$(ARCH)     :=
38LIBAOBJS-$(CPU)      :=
39LIBAOBJS-ppc         += $(ARCH)_longjmp.o $(ARCH)_setjmp.o
40LIBAOBJS-mpc8xx      += test_burst_lib.o
41LIBAOBJS := $(LIBAOBJS-$(ARCH)) $(LIBAOBJS-$(CPU))
42
43LIBCOBJS = stubs.o
44
45LIBOBJS	= $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS))
46
47SRCS	:= $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
48OBJS	:= $(addprefix $(obj),$(COBJS))
49ELF	:= $(addprefix $(obj),$(ELF))
50BIN	:= $(addprefix $(obj),$(BIN))
51SREC	:= $(addprefix $(obj),$(SREC))
52
53gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
54
55# For PowerPC there's no need to compile standalone applications as a
56# relocatable executable.  The relocation data is not needed, and
57# also causes the entry point of the standalone application to be
58# inconsistent.
59ifeq ($(ARCH),powerpc)
60AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS))
61CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS))
62CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS))
63endif
64
65# We don't want gcc reordering functions if possible.  This ensures that an
66# application's entry point will be the first function in the application's
67# source file.
68CFLAGS_NTR := $(call cc-option,-fno-toplevel-reorder)
69CFLAGS += $(CFLAGS_NTR)
70
71all:	$(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN) $(ELF)
72
73#########################################################################
74$(LIB):	$(obj).depend $(LIBOBJS)
75	$(call cmd_link_o_target, $(LIBOBJS))
76
77$(ELF):
78$(obj)%:	$(obj)%.o $(LIB)
79		$(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \
80			-o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \
81			-L$(gcclibdir) -lgcc
82
83$(SREC):
84$(obj)%.srec:	$(obj)%
85		$(OBJCOPY) -O srec $< $@ 2>/dev/null
86
87$(BIN):
88$(obj)%.bin:	$(obj)%
89		$(OBJCOPY) -O binary $< $@ 2>/dev/null
90
91#########################################################################
92
93# defines $(obj).depend target
94include $(SRCTREE)/rules.mk
95
96sinclude $(obj).depend
97
98#########################################################################
99