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 12include $(TOPDIR)/config.mk 13 14LIB = $(obj)lib$(CPU).a 15 16EXTRA := 17CEXTRA := initcode.o 18SEXTRA := start.o 19SOBJS := interrupt.o cache.o 20COBJS-y += cpu.o 21COBJS-y += interrupts.o 22COBJS-$(CONFIG_JTAG_CONSOLE) += jtag-console.o 23COBJS-y += os_log.o 24COBJS-y += reset.o 25COBJS-y += serial.o 26COBJS-y += traps.o 27COBJS-$(CONFIG_HW_WATCHDOG) += watchdog.o 28 29ifeq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS) 30COBJS-y += initcode.o 31endif 32 33SRCS := $(SEXTRA:.o=.S) $(SOBJS:.o=.S) $(COBJS-y:.o=.c) 34OBJS := $(addprefix $(obj),$(COBJS-y) $(SOBJS)) 35EXTRA := $(addprefix $(obj),$(EXTRA)) 36CEXTRA := $(addprefix $(obj),$(CEXTRA)) 37SEXTRA := $(addprefix $(obj),$(SEXTRA)) 38 39all: $(obj).depend $(LIB) $(obj).depend $(EXTRA) $(CEXTRA) $(SEXTRA) check_initcode 40 41$(LIB): $(OBJS) 42 $(AR) $(ARFLAGS) $@ $(OBJS) 43 44$(OBJS): $(obj)bootrom-asm-offsets.h 45$(obj)bootrom-asm-offsets.c: bootrom-asm-offsets.c.in bootrom-asm-offsets.awk 46 echo '#include <asm/mach-common/bits/bootrom.h>' | $(CPP) $(CPPFLAGS) - | gawk -f ./bootrom-asm-offsets.awk > $@.tmp 47 mv $@.tmp $@ 48$(obj)bootrom-asm-offsets.s: $(obj)bootrom-asm-offsets.c 49 $(CC) $(CFLAGS) -S $^ -o $@.tmp 50 mv $@.tmp $@ 51$(obj)bootrom-asm-offsets.h: $(obj)bootrom-asm-offsets.s 52 sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}" $^ > $@ 53 54# make sure our initcode (which goes into LDR) does not 55# have relocs or external references 56$(obj)initcode.o: CFLAGS += -fno-function-sections -fno-data-sections 57READINIT = env LC_ALL=C $(CROSS_COMPILE)readelf -s $< 58check_initcode: $(obj)initcode.o 59ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS) 60 @if $(READINIT) | grep '\<GLOBAL\>.*\<UND\>' ; then \ 61 echo "$< contains external references!" 1>&2 ; \ 62 exit 1 ; \ 63 fi 64endif 65 66######################################################################### 67 68# defines $(obj).depend target 69include $(SRCTREE)/rules.mk 70 71sinclude $(obj).depend 72 73######################################################################### 74