examples/standalone/Makefile

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