# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
-# See file CREDITS for list of people who contributed to this
-# project.
+# SPDX-License-Identifier: GPL-2.0+
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-ifeq ($(ARCH),ppc)
-LOAD_ADDR = 0x40000
-endif
-
-ifeq ($(ARCH),i386)
-LOAD_ADDR = 0x40000
-endif
-ifeq ($(ARCH),arm)
-ifeq ($(BOARD),omap2420h4)
-LOAD_ADDR = 0x80300000
-else
-ifeq ($(CPU),omap3)
-LOAD_ADDR = 0x80300000
-else
-LOAD_ADDR = 0xc100000
-endif
-endif
-endif
-
-ifeq ($(ARCH),mips)
-LOAD_ADDR = 0x80200000 -T mips.lds
+ifdef FTRACE
+CFLAGS += -finstrument-functions -DFTRACE
endif
-ifeq ($(ARCH),nios)
-LOAD_ADDR = 0x00800000 -L $(gcclibdir)/m32 -T nios.lds
-endif
-
-ifeq ($(ARCH),nios2)
-LOAD_ADDR = 0x02000000 -L $(gcclibdir) -T nios2.lds
-endif
-
-ifeq ($(ARCH),m68k)
-LOAD_ADDR = 0x20000 -L $(clibdir)
-endif
-
-ifeq ($(ARCH),microblaze)
-LOAD_ADDR = 0x80F00000
-endif
-
-ifeq ($(ARCH),blackfin)
-LOAD_ADDR = 0x1000
-endif
-
-ifeq ($(ARCH),avr32)
-LOAD_ADDR = 0x00000000
-endif
-
-ifeq ($(ARCH),sh)
-LOAD_ADDR = 0x8C000000
-ifeq ($(CPU),sh2)
-BIG_ENDIAN=y
-endif
-endif
-
-ifeq ($(ARCH),sparc)
-LOAD_ADDR = 0x00000000 -L $(gcclibdir) -T sparc.lds
-endif
+extra-y := hello_world
+extra-$(CONFIG_SMC91111) += smc91111_eeprom
+extra-$(CONFIG_SMC911X) += smc911x_eeprom
+extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
+extra-$(CONFIG_MPC5xxx) += interrupt
+extra-$(CONFIG_8xx) += test_burst timer
+extra-$(CONFIG_8260) += mem_to_mem_idma2intr
+extra-$(CONFIG_PPC) += sched
-include $(TOPDIR)/config.mk
-
-ELF = hello_world
-SREC = hello_world.srec
-BIN = hello_world.bin
-
-ifeq ($(CPU),mpc8xx)
-ELF += test_burst
-SREC += test_burst.srec
-BIN += test_burst.bin
-endif
-
-ifeq ($(ARCH),i386)
-ELF += 82559_eeprom
-SREC += 82559_eeprom.srec
-BIN += 82559_eeprom.bin
-endif
-
-ifeq ($(ARCH),ppc)
-ELF += sched
-SREC += sched.srec
-BIN += sched.bin
-endif
-
-ifeq ($(ARCH),blackfin)
-BFIN_BIN = smc91111_eeprom smc911x_eeprom
-ELF += $(BFIN_BIN)
-SREC += $(addsuffix .srec,$(BFIN_BIN))
-BIN += $(addsuffix .bin,$(BFIN_BIN))
-endif
-
-# The following example is pretty 8xx specific...
-ifeq ($(CPU),mpc8xx)
-ELF += timer
-SREC += timer.srec
-BIN += timer.bin
-endif
+#
+# Some versions of make do not handle trailing white spaces properly;
+# leading to build failures. The problem was found with GNU Make 3.80.
+# Using 'strip' as a workaround for the problem.
+#
+ELF := $(strip $(extra-y))
-# The following example is 8260 specific...
-ifeq ($(CPU),mpc8260)
-ELF += mem_to_mem_idma2intr
-SREC += mem_to_mem_idma2intr.srec
-BIN += mem_to_mem_idma2intr.bin
-endif
+extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y))
+clean-files := $(extra-) $(addsuffix .srec,$(extra-)) $(addsuffix .bin,$(extra-))
-# Demo for 52xx IRQs
-ifeq ($(CPU),mpc5xxx)
-ELF += interrupt
-SREC += interrupt.srec
-BIN += interrupt.bin
-endif
-# Utility for resetting i82559 EEPROM
-ifeq ($(BOARD),oxc)
-ELF += eepro100_eeprom
-SREC += eepro100_eeprom.srec
-BIN += eepro100_eeprom.bin
-endif
+COBJS := $(ELF:=.o)
-ifeq ($(BIG_ENDIAN),y)
-EX_LDFLAGS += -EB
-endif
+LIB = $(obj)/libstubs.o
-COBJS := $(SREC:.srec=.o)
+LIBAOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o
+LIBAOBJS-$(CONFIG_8xx) += test_burst_lib.o
+LIBAOBJS := $(LIBAOBJS-y)
-LIB = $(obj)libstubs.a
-LIBAOBJS=
-ifeq ($(ARCH),ppc)
-LIBAOBJS+= $(ARCH)_longjmp.o $(ARCH)_setjmp.o
-endif
-ifeq ($(CPU),mpc8xx)
-LIBAOBJS+= test_burst_lib.o
-endif
-LIBCOBJS= stubs.o
+LIBCOBJS = stubs.o
-LIBOBJS = $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS))
+LIBOBJS = $(addprefix $(obj)/,$(LIBAOBJS) $(LIBCOBJS))
-SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(if $(LIBAOBJS),$(LIBAOBJS:.o=.S))
-OBJS := $(addprefix $(obj),$(COBJS))
-ELF := $(addprefix $(obj),$(ELF))
-BIN := $(addprefix $(obj),$(BIN))
-SREC := $(addprefix $(obj),$(SREC))
+SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
+OBJS := $(addprefix $(obj)/,$(COBJS))
+ELF := $(addprefix $(obj)/,$(ELF))
gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
-clibdir := $(shell dirname `$(CC) $(CFLAGS) -print-file-name=libc.a`)
-CPPFLAGS += -I..
+# For PowerPC there's no need to compile standalone applications as a
+# relocatable executable. The relocation data is not needed, and
+# also causes the entry point of the standalone application to be
+# inconsistent.
+ifeq ($(ARCH),powerpc)
+AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS))
+CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS))
+CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS))
+endif
-all: $(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN) $(ELF)
+# We don't want gcc reordering functions if possible. This ensures that an
+# application's entry point will be the first function in the application's
+# source file.
+CFLAGS += $(call cc-option,-fno-toplevel-reorder)
#########################################################################
-$(LIB): $(obj).depend $(LIBOBJS)
- $(AR) $(ARFLAGS) $@ $(LIBOBJS)
+$(LIB): $(LIBOBJS)
+ $(call cmd_link_o_target, $(LIBOBJS))
$(ELF):
-$(obj)%: $(obj)%.o $(LIB)
- $(LD) -g $(EX_LDFLAGS) -Ttext $(LOAD_ADDR) \
+$(obj)/%: $(obj)/%.o $(LIB)
+ $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \
-o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \
-L$(gcclibdir) -lgcc
-$(SREC):
-$(obj)%.srec: $(obj)%
+$(obj)/%.srec: $(obj)/%
$(OBJCOPY) -O srec $< $@ 2>/dev/null
-$(BIN):
-$(obj)%.bin: $(obj)%
+$(obj)/%.bin: $(obj)/%
$(OBJCOPY) -O binary $< $@ 2>/dev/null
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
projects / karo-tx-uboot.git / blobdiff