# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# 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
+# SPDX-License-Identifier: GPL-2.0+
#
include $(TOPDIR)/config.mk
-ELF = hello_world
-SREC = hello_world.srec
-BIN = hello_world.bin
-
-ELF += atmel_df_pow2
-SREC += atmel_df_pow2.srec
-BIN += atmel_df_pow2.bin
-
-ifeq ($(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 ($(CPU),mpc8xx)
-ELF += timer
-SREC += timer.srec
-BIN += timer.bin
-endif
+ELF-$(ARCH) :=
+ELF-$(BOARD) :=
+ELF-$(CPU) :=
+ELF-y := hello_world
+
+ELF-$(CONFIG_SMC91111) += smc91111_eeprom
+ELF-$(CONFIG_SMC911X) += smc911x_eeprom
+ELF-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
+ELF-i386 += 82559_eeprom
+ELF-mpc5xxx += interrupt
+ELF-mpc8xx += test_burst timer
+ELF-mpc8260 += mem_to_mem_idma2intr
+ELF-ppc += sched
+ELF-oxc += eepro100_eeprom
-# The following example is 8260 specific...
-ifeq ($(CPU),mpc8260)
-ELF += mem_to_mem_idma2intr
-SREC += mem_to_mem_idma2intr.srec
-BIN += mem_to_mem_idma2intr.bin
-endif
+#
+# 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 $(ELF-y) $(ELF-$(ARCH)) $(ELF-$(BOARD)) $(ELF-$(CPU)))
-# Demo for 52xx IRQs
-ifeq ($(CPU),mpc5xxx)
-ELF += interrupt
-SREC += interrupt.srec
-BIN += interrupt.bin
-endif
+SREC := $(addsuffix .srec,$(ELF))
+BIN := $(addsuffix .bin,$(ELF))
-# Utility for resetting i82559 EEPROM
-ifeq ($(BOARD),oxc)
-ELF += eepro100_eeprom
-SREC += eepro100_eeprom.srec
-BIN += eepro100_eeprom.bin
-endif
+COBJS := $(ELF:=.o)
+LIB = $(obj)libstubs.o
-COBJS := $(SREC:.srec=.o)
+LIBAOBJS-$(ARCH) :=
+LIBAOBJS-$(CPU) :=
+LIBAOBJS-ppc += $(ARCH)_longjmp.o $(ARCH)_setjmp.o
+LIBAOBJS-mpc8xx += test_burst_lib.o
+LIBAOBJS := $(LIBAOBJS-$(ARCH)) $(LIBAOBJS-$(CPU))
-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))
-SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(if $(LIBAOBJS),$(LIBAOBJS:.o=.S))
+SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
OBJS := $(addprefix $(obj),$(COBJS))
ELF := $(addprefix $(obj),$(ELF))
BIN := $(addprefix $(obj),$(BIN))
SREC := $(addprefix $(obj),$(SREC))
-gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
+# Add GCC lib
+ifdef USE_PRIVATE_LIBGCC
+ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
+PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
+else
+PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
+endif
+else
+PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
+endif
+PLATFORM_LIBS += $(PLATFORM_LIBGCC)
+export PLATFORM_LIBS
CPPFLAGS += -I..
+# For PowerPC there's no need to compile standalone applications as a
+# relocatable executable. The relocation data is not needed, and
+# also causes the entry point of the standalone application to be
+# inconsistent.
+ifeq ($(ARCH),powerpc)
+AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS))
+CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS))
+CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS))
+endif
+
+# 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_NTR := $(call cc-option,-fno-toplevel-reorder)
+CFLAGS += $(CFLAGS_NTR)
+
all: $(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN) $(ELF)
#########################################################################
$(LIB): $(obj).depend $(LIBOBJS)
- $(AR) $(ARFLAGS) $@ $(LIBOBJS)
+ $(call cmd_link_o_target, $(LIBOBJS))
$(ELF):
$(obj)%: $(obj)%.o $(LIB)
- $(LD) -g -Ttext $(STANDALONE_LOAD_ADDR) \
+ $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \
-o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \
- -L$(gcclibdir) -lgcc
+ $(PLATFORM_LIBS)
$(SREC):
$(obj)%.srec: $(obj)%
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