1# 2# (C) Copyright 2000-2006 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# See file CREDITS for list of people who contributed to this 6# project. 7# 8# This program is free software; you can redistribute it and/or 9# modify it under the terms of the GNU General Public License as 10# published by the Free Software Foundation; either version 2 of 11# the License, or (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program; if not, write to the Free Software 20# Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21# MA 02111-1307 USA 22# 23 24include $(TOPDIR)/config.mk 25 26## Build a couple of necessary functions into a private libgcc 27LIBGCC = $(obj)libgcc.o 28GLSOBJS += _ashldi3.o 29GLSOBJS += _ashrdi3.o 30GLSOBJS += _lshrdi3.o 31LGOBJS := $(addprefix $(obj),$(GLSOBJS)) \ 32 $(addprefix $(obj),$(GLCOBJS)) 33 34## But only build it if the user asked for it 35ifdef USE_PRIVATE_LIBGCC 36TARGETS += $(LIBGCC) 37endif 38 39LIB = $(obj)lib$(ARCH).o 40 41MINIMAL= 42 43ifdef CONFIG_SPL_BUILD 44ifdef CONFIG_SPL_INIT_MINIMAL 45MINIMAL=y 46endif 47endif 48 49ifdef MINIMAL 50COBJS-y += cache.o time.o 51SOBJS-y += ticks.o 52else 53 54SOBJS-y += ppcstring.o 55 56SOBJS-y += ppccache.o 57SOBJS-y += ticks.o 58SOBJS-y += reloc.o 59 60COBJS-$(CONFIG_BAT_RW) += bat_rw.o 61ifndef CONFIG_SPL_BUILD 62ifndef CONFIG_SYS_GENERIC_BOARD 63COBJS-y += board.o 64endif 65endif 66COBJS-y += bootm.o 67COBJS-y += cache.o 68COBJS-y += extable.o 69COBJS-y += interrupts.o 70COBJS-$(CONFIG_CMD_KGDB) += kgdb.o 71COBJS-${CONFIG_CMD_IDE} += ide.o 72COBJS-y += time.o 73 74# Don't include the MPC5xxx special memcpy into the 75# SPL U-Boot image. memcpy is used in the SPL NOR 76# flash driver. And we need the real, fast memcpy 77# here. We have no problems with unaligned access. 78ifndef CONFIG_SPL_BUILD 79# Workaround for local bus unaligned access problems 80# on MPC512x and MPC5200 81ifdef CONFIG_MPC512X 82$(obj)ppcstring.o: AFLAGS += -Dmemcpy=__memcpy 83COBJS-y += memcpy_mpc5200.o 84endif 85ifdef CONFIG_MPC5200 86$(obj)ppcstring.o: AFLAGS += -Dmemcpy=__memcpy 87COBJS-y += memcpy_mpc5200.o 88endif 89endif 90 91endif # not minimal 92 93ifdef CONFIG_SPL_BUILD 94COBJS-$(CONFIG_SPL_FRAMEWORK) += spl.o 95endif 96 97COBJS += $(sort $(COBJS-y)) 98 99SRCS := $(GLSOBJS:.o=.S) $(GLCOBJS:.o=.c) \ 100 $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) 101OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) 102 103TARGETS += $(LIB) 104 105all: $(TARGETS) 106 107$(LIB): $(obj).depend $(OBJS) 108 $(call cmd_link_o_target, $(OBJS)) 109 110$(LIBGCC): $(obj).depend $(LGOBJS) 111 $(call cmd_link_o_target, $(LGOBJS)) 112 113######################################################################### 114 115# defines $(obj).depend target 116include $(SRCTREE)/rules.mk 117 118sinclude $(obj).depend 119 120######################################################################### 121