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Hi ! I'm using Embedded Linux Development Kit and I have some errors when I try to execute the makefile to rebuild a firmware (lejos for nxt): /opt/eldk/usr/bin/arm-linux-ld: ERROR: init.o uses FPA instructions, whereas lejos_nxt_ram.elf does not /opt/eldk/usr/bin/arm-linux-ld: failed to merge target specific data of file init.o /opt/eldk/usr/bin/arm-linux-ld: ERROR: interrupts.o uses FPA instructions, whereas lejos_nxt_ram.elf does not /opt/eldk/usr/bin/arm-linux-ld: failed to merge target specific data of file interrupts.o /opt/eldk/usr/bin/arm-linux-ld: ERROR: vectors.o uses FPA instructions, whereas lejos_nxt_ram.elf does not /opt/eldk/usr/bin/arm-linux-ld: failed to merge target specific data of file vectors.o /opt/eldk/usr/bin/arm-linux-ld: ERROR: irq.o uses FPA instructions, whereas lejos_nxt_ram.elf does not /opt/eldk/usr/bin/arm-linux-ld: failed to merge target specific data of file irq.o /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/arm/lib/libc.a(strlen.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/arm/lib/libc.a(memset.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/arm/lib/libc.a(memcpy.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/arm/lib/libc.a(wordcopy.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/usr/lib/gcc/arm-linux/4.0.0/libgcc.a(_udivsi3.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/usr/lib/gcc/arm-linux/4.0.0/libgcc.a(_divsi3.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/usr/lib/gcc/arm-linux/4.0.0/libgcc.a(_umodsi3.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/usr/lib/gcc/arm-linux/4.0.0/libgcc.a(_modsi3.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/usr/lib/gcc/arm-linux/4.0.0/libgcc.a(_dvmd_lnx.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/usr/lib/gcc/arm-linux/4.0.0/libgcc.a(_addsubsf3.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/usr/lib/gcc/arm-linux/4.0.0/libgcc.a(_muldivsf3.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/usr/lib/gcc/arm-linux/4.0.0/libgcc.a(_cmpsf2.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/usr/lib/gcc/arm-linux/4.0.0/libgcc.a(_fixsfsi.o) does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: Warning: /opt/eldk/arm/lib/libm.so does not support interworking, whereas lejos_nxt_ram.elf does /opt/eldk/usr/bin/arm-linux-ld: error: no memory region specified for loadable section `.dynamic' make: *** [lejos_nxt_ram.elf] Erreur 1 I don't manage to solved these errors; Can you help me please? Here there is the makefile: GCC_VERSION :=4.0.0 COMP_PATH := /opt/eldk LIBPREFIX := $(COMP_PATH)/arm/lib GCC_LIB := $(COMP_PATH)/usr/lib/gcc/arm-linux/$(GCC_VERSION)/libgcc.a LIBC := $(COMP_PATH)/arm/lib/libc.a TARGET_PREFIX :=arm-linux INC_PATH := $(COMP_PATH)/arm/usr/include CC := $(COMP_PATH)/usr/bin/$(TARGET_PREFIX)-gcc AS := $(COMP_PATH)/usr/bin/$(TARGET_PREFIX)-as AR := $(COMP_PATH)/usr/bin/$(TARGET_PREFIX)-ar LD := $(COMP_PATH)/usr/bin/$(TARGET_PREFIX)-ld OBJCOPY := $(COMP_PATH)/usr/bin/$(TARGET_PREFIX)-objcopy PHONY: EnvironmentMessage EnvironmentMessage: @echo " CC $(CC)" @echo " AS $(AS)" @echo " AR $(AR)" @echo " LD $(LD)" @echo " OBJCOPY $(OBJCOPY)" Thanks for any answer.
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that was the environnment.make.
The real makefile is:
.SUFFIXES:
default: def_target
include environment.mak
include targetdef.mak
RAM_TARGET := $(TARGET)_ram.elf
ROM_TARGET := $(TARGET)_rom.elf
SAMBA_TARGET := $(TARGET)_samba_ram.bin
ROMBIN_TARGET := $(TARGET)_rom.bin
RAM_LDSCRIPT := $(TARGET)_ram.ld
ROM_LDSCRIPT := $(TARGET)_rom.ld
SAMBA_LDSCRIPT := $(TARGET)_samba.ld
S_OBJECTS := $(S_SOURCES:.s=.o)
C_OBJECTS := $(C_SOURCES:.c=.o) $(C_RAMSOURCES:.c=.oram)
C_OPTIMISATION_FLAGS = -Os
#C_OPTIMISATION_FLAGS = -O0
CFLAGS = -c -ffreestanding -fsigned-char -mcpu=arm7tdmi \
$(C_OPTIMISATION_FLAGS) -g \
-Winline -Wall -Werror-implicit-function-declaration \
-I. -I$(VM_DIR) \
-mthumb -mthumb-interwork -ffunction-sections -fdata-sections
LDFLAGS = -Map $@.map -L$(LIBPREFIX) -lm -cref --gc-sections $(LIBC)
ASFLAGS = -mthumb-interwork -mfpu=softfpa
def_target: all
ALL_TARGETS := $(RAM_TARGET) $(ROM_TARGET) $(ROMBIN_TARGET)
$(SAMBA_TARGET)
.PHONY: all
all: BuildMessage $(ALL_TARGETS)
PHONY: TargetMessage
TargetMessage:
@echo ""
@echo "Building: $(ALL_TARGETS)"
@echo ""
@echo "C sources: $(C_SOURCES) to $(C_OBJECTS)"
@echo ""
@echo "Assembler sources: $(S_SOURCES) to $(S_OBJECTS)"
@echo ""
@echo "LD source: $(LDSCRIPT_SOURCE)"
@echo ""
PHONY: BuildMessage
BuildMessage: TargetMessage EnvironmentMessage
$(SAMBA_LDSCRIPT): $(LDSCRIPT_SOURCE)
cat $< | sed -e 's/^SAMBA_ONLY//' -e '/^RAM_ONLY/d' -e'/^ROM_ONLY/d'
>$@
$(RAM_LDSCRIPT): $(LDSCRIPT_SOURCE)
cat $< | sed -e 's/^RAM_ONLY//' -e'/^ROM_ONLY/d' -e'/^SAMBA_ONLY/d'
>$@
$(ROM_LDSCRIPT): $(LDSCRIPT_SOURCE)
cat $< | sed -e 's/^ROM_ONLY//' -e'/^RAM_ONLY/d' -e'/^SAMBA_ONLY/d'
>$@
$(SAMBA_TARGET)_elf: $(C_OBJECTS) $(S_OBJECTS) $(SAMBA_LDSCRIPT)
@echo "Linking $@"
$(LD) -o $@ $(C_OBJECTS) $(S_OBJECTS) -T $(SAMBA_LDSCRIPT) $(LIBC)
$(GCC_LIB) $(LDFLAGS)
$(RAM_TARGET): $(C_OBJECTS) $(S_OBJECTS) $(RAM_LDSCRIPT)
@echo "Linking $@"
$(LD) -o $@ $(C_OBJECTS) $(S_OBJECTS) -T $(RAM_LDSCRIPT) $(LIBC)
$(GCC_LIB) $(LDFLAGS)
$(ROM_TARGET): $(C_OBJECTS) $(S_OBJECTS) $(ROM_LDSCRIPT)
@echo "Linking $@"
$(LD) -o $@ $(C_OBJECTS) $(S_OBJECTS) -T $(ROM_LDSCRIPT) $(LIBC)
$(GCC_LIB) $(LDFLAGS)
$(ROMBIN_TARGET): $(ROM_TARGET)
@echo "Generating binary file $@"
$(OBJCOPY) -O binary $< $@
$(SAMBA_TARGET): $(SAMBA_TARGET)_elf
@echo "Generating binary file $@"
$(OBJCOPY) -O binary $< $@
%.o: %.s
@echo "Assembling $< to $@"
$(AS) $(ASFLAGS) -o $@ $<
%.o: %.c
@echo "Compiling $< to $@"
$(CC) $(CFLAGS) -o $@ $<
%.oram: %.c
@echo "Compiling $< to $@"
$(CC) $(CFLAGS) -o $@ $<
.PHONY: clean
clean:
@echo "Removing All Objects"
@rm -f $(S_OBJECTS) $(C_OBJECTS) *.o
@echo "Removing generated ld scripts"
@rm -f *.ld
@echo "Removing target"
@rm -f $(ALL_TARGETS)
@echo "Removing map files"
@ rm -f *map
-include $(C_SOURCES:.c=.d)
Sorry for this error. Thanks for any help !
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I suggest to use an arm-elf or arm-eabi toolchain not a arm-linux toolchain. You can get precompiled binaries for Linux (if this is your OS) i.e. from gnuarm.org and codesourcery.com I don't know enough about the arm-linux targets but but with such a toolchain you may try the compiler-options: -msoft-float or -mfloat-abi=soft (add to CFLAGS).
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Martin Thomas wrote: > I suggest to use an arm-elf or arm-eabi toolchain not a arm-linux > toolchain. You can get precompiled binaries for Linux (if this is your > OS) i.e. from gnuarm.org and codesourcery.com > I don't know enough about the arm-linux targets but but with such a > toolchain you may try the compiler-options: -msoft-float or > -mfloat-abi=soft (add to CFLAGS). I'm in training course and I have to use the arm-linux targets with such a toolchain. So I tried the compiler-option: -msoft-float or -mfloat-abi=soft (add to CFLAGS) but I have exactly the same errors ! Someone can help me please ?? Have a nice day !
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