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https://github.com/AsahiLinux/u-boot
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NetStar: eeprom - fix linker error
linking eeprom with libgeneric.a is not really needed and causes following error: ../../lib_generic/libgeneric.a(string.o): In function `strcmp': lib_generic/string.c:152: multiple definition of `strcmp' ../../examples/standalone/libstubs.a(stubs.o):include/_exports.h:24: first defined here Remove eeprom linker script as well and generate entry point object (to start application by jumping on its beginning) on the fly. Out-of-tree build tested as well. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Ladislav Michl
Tom Rix
parent
308d463eaf
commit
3a67566c1d
3 changed files with 26 additions and 94 deletions
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@ -29,20 +29,15 @@ include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(BOARD).a
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COBJS := netstar.o
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SOBJS := setup.o crcek.o
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SOBJS := setup.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) eeprom.c \
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eeprom_start.S
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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SOBJS := $(addprefix $(obj),$(SOBJS))
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gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
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LOAD_ADDR = 0x10400000
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LDSCRIPT = $(TOPDIR)/board/$(BOARDDIR)/eeprom.lds
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lnk = $(if $(obj),$(obj),.)
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HOSTCFLAGS = -Wall -pedantic -I$(TOPDIR)/include
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#########################################################################
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all: $(obj).depend $(LIB) $(obj)eeprom.srec $(obj)eeprom.bin \
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$(obj)crcek.srec $(obj)crcek.bin $(obj)crcit
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@ -50,24 +45,26 @@ all: $(obj).depend $(LIB) $(obj)eeprom.srec $(obj)eeprom.bin \
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$(LIB): $(OBJS) $(SOBJS)
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$(AR) $(ARFLAGS) $@ $^
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$(obj)eeprom.srec: $(obj)eeprom.o $(obj)eeprom_start.o $(obj)u-boot.lds
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cd $(lnk) && $(LD) -T $(obj)u-boot.lds -g -Ttext $(LOAD_ADDR) \
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-o $(<:.o=) -e eeprom eeprom.o eeprom_start.o \
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-L$(obj)../../examples/standalone -lstubs \
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-L$(obj)../../lib_generic -lgeneric \
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-L$(gcclibdir) -lgcc
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$(OBJCOPY) -O srec $(<:.o=) $@
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$(obj)eeprom_start.o:
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echo "b eeprom" | $(CC) $(AFLAGS) -c -x assembler -o $@ -
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$(obj)eeprom.bin: $(obj)eeprom.srec
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$(OBJCOPY) -I srec -O binary $< $@ 2>/dev/null
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$(obj)eeprom: $(obj)eeprom_start.o $(obj)eeprom.o
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$(LD) -Ttext $(LOAD_ADDR) -e eeprom -o $@ $^ \
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-L$(obj)../../examples/standalone -lstubs \
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$(PLATFORM_LIBS)
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$(obj)eeprom.srec: $(obj)eeprom
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$(OBJCOPY) -S -O srec $(<:.o=) $@
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$(obj)eeprom.bin: $(obj)eeprom
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$(OBJCOPY) -S -O binary $< $@
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$(obj)crcek.srec: $(obj)crcek.o
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$(LD) -g -Ttext 0x00000000 \
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-o $(<:.o=) -e crcek $^
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$(OBJCOPY) -O srec $(<:.o=) $@
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$(LD) -g -Ttext 0x00000000 -e crcek -o $(<:.o=) $^
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$(OBJCOPY) -S -O srec $(<:.o=) $@
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$(obj)crcek.bin: $(obj)crcek.srec
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$(OBJCOPY) -I srec -O binary $< $@ 2>/dev/null
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$(OBJCOPY) -I srec -O binary $< $@
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$(obj)crcit: $(obj)crcit.o $(obj)crc32.o
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$(HOSTCC) $(HOSTCFLAGS) -o $@ $^
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@ -76,15 +73,14 @@ $(obj)crcit.o: crcit.c
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$(HOSTCC) $(HOSTCFLAGS) -o $@ -c $<
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$(obj)crc32.o: $(SRCTREE)/lib_generic/crc32.c
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$(HOSTCC) $(HOSTCFLAGS) -DUSE_HOSTCC -o $@ -c $<
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$(obj)u-boot.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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$(HOSTCC) $(HOSTCFLAGS) -DUSE_HOSTCC -I$(TOPDIR)/include \
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-o $@ -c $<
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clean:
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rm -f $(SOBJS) $(OBJS) $(obj)eeprom $(obj)eeprom.srec \
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$(obj)eeprom.bin $(obj)crcek $(obj)crcek.srec \
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$(obj)crcek.bin $(obj)u-boot.lds
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rm -f $(SOBJS) $(OBJS) \
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$(obj)eeprom_start.o $(obj)eeprom.o \
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$(obj)eeprom $(obj)eeprom.srec $(obj)eeprom.bin \
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$(obj)crcek.o $(obj)crcek $(obj)crcek.srec $(obj)crcek.bin
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distclean: clean
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rm -f $(LIB) core *.bak $(obj).depend
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@ -1,51 +0,0 @@
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/*
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* (C) Copyright 2002
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* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
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* (C) Copyright 2005
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* Ladislav Michl, 2N Telekomunikace, <michl@2n.cz>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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SECTIONS
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{
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. = ALIGN(4);
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.text :
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{
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eeprom_start.o (.text)
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*(.text)
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}
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. = ALIGN(4);
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.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
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. = ALIGN(4);
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.data : { *(.data) }
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. = ALIGN(4);
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.got : { *(.got) }
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. = ALIGN(4);
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__bss_start = .;
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.bss (NOLOAD) : { *(.bss) . = ALIGN(4); }
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_end = .;
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}
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@ -1,13 +0,0 @@
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/*
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* Copyright (c) 2005 2N Telekomunikace
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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*/
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.globl _start
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_start: b eeprom
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.end
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