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 extra-y        := hello_world
   9 extra-$(CONFIG_SMC91111)           += smc91111_eeprom
  10 extra-$(CONFIG_SMC911X)            += smc911x_eeprom
  11 extra-$(CONFIG_SPI_FLASH_ATMEL)    += atmel_df_pow2
  12 extra-$(CONFIG_MPC5xxx)            += interrupt
  13 extra-$(CONFIG_8xx)                += test_burst timer
  14 extra-$(CONFIG_8260)               += mem_to_mem_idma2intr
  15 extra-$(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 #
  22 ELF := $(strip $(extra-y))
  23
  24 extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y))
  25 clean-files  := $(extra-) $(addsuffix .srec,$(extra-)) $(addsuffix .bin,$(extra-))
  26
  27
  28 COBJS   := $(ELF:=.o)
  29
  30 LIB     = $(obj)libstubs.o
  31
  32 LIBAOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o
  33 LIBAOBJS-$(CONFIG_8xx) += test_burst_lib.o
  34 LIBAOBJS := $(LIBAOBJS-y)
  35
  36 LIBCOBJS = stubs.o
  37
  38 LIBOBJS = $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS))
  39
  40 SRCS    := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
  41 OBJS    := $(addprefix $(obj),$(COBJS))
  42 ELF     := $(addprefix $(obj),$(ELF))
  43
  44 gcclibdir := $(shell dirname `$(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.
  50 ifeq ($(ARCH),powerpc)
  51 AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS))
  52 CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS))
  53 CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS))
  54 endif
  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.
  59 CFLAGS += $(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