cpu/blackfin/Makefile

   1 #
   2 # U-boot - Makefile
   3 #
   4 # Copyright (c) 2005-2008 Analog Device Inc.
   5 #
   6 # (C) Copyright 2000-2006
   7 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   8 #
   9 # Licensed under the GPL-2 or later.
  10 #
  11
  12 include $(TOPDIR)/config.mk
  13
  14 LIB     = $(obj)lib$(CPU).a
  15
  16 EXTRA    :=
  17 CEXTRA   := initcode.o
  18 SEXTRA   := start.o
  19 SOBJS    := interrupt.o cache.o flush.o
  20 COBJS    := cpu.o traps.o interrupts.o reset.o serial.o i2c.o watchdog.o
  21
  22 ifeq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS)
  23 COBJS    += initcode.o
  24 endif
  25
  26 SRCS     := $(SEXTRA:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
  27 OBJS     := $(addprefix $(obj),$(COBJS) $(SOBJS))
  28 EXTRA    := $(addprefix $(obj),$(EXTRA))
  29 CEXTRA   := $(addprefix $(obj),$(CEXTRA))
  30 SEXTRA   := $(addprefix $(obj),$(SEXTRA))
  31
  32 all:    $(obj).depend $(LIB) $(obj).depend $(EXTRA) $(CEXTRA) $(SEXTRA) check_initcode
  33
  34 $(LIB): $(OBJS)
  35         $(AR) $(ARFLAGS) $@ $(OBJS)
  36
  37 $(OBJS): $(obj)bootrom-asm-offsets.h
  38 $(obj)bootrom-asm-offsets.c: bootrom-asm-offsets.c.in bootrom-asm-offsets.awk
  39         echo '#include <asm/mach-common/bits/bootrom.h>' | $(CPP) $(CPPFLAGS) - | gawk -f ./bootrom-asm-offsets.awk > $@.tmp
  40         mv $@.tmp $@
  41 $(obj)bootrom-asm-offsets.s: $(obj)bootrom-asm-offsets.c
  42         $(CC) $(CFLAGS) -S $^ -o $@.tmp
  43         mv $@.tmp $@
  44 $(obj)bootrom-asm-offsets.h: $(obj)bootrom-asm-offsets.s
  45         sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}" $^ > $@
  46
  47 # make sure our initcode (which goes into LDR) does not
  48 # have relocs or external references
  49 READINIT = env LC_ALL=C $(CROSS_COMPILE)readelf -s $<
  50 check_initcode: $(obj)initcode.o
  51 ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS)
  52         @if $(READINIT) | grep '\<GLOBAL\>.*\<UND\>' ; then \
  53                 echo "$< contains external references!" 1>&2 ; \
  54                 exit 1 ; \
  55         fi
  56 endif
  57
  58 #########################################################################
  59
  60 # defines $(obj).depend target
  61 include $(SRCTREE)/rules.mk
  62
  63 sinclude $(obj).depend
  64
  65 #########################################################################