74 lines
1.6 KiB
Makefile
74 lines
1.6 KiB
Makefile
#
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# common
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#
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CC=arm-elf-eabi-gcc
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LD=arm-elf-eabi-gcc
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AS=arm-elf-eabi-gcc
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OC=arm-elf-eabi-objcopy
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CFLAGS=-W -Wall -Wundef -O -nostdlib -ffreestanding -Wstrict-prototypes -pipe -std=gnu99 -mcpu=arm926ej-s -fomit-frame-pointer -Wno-pointer-sign -Wno-override-init -ffunction-sections
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ASFLAGS=$(CFLAGS) -D__ASSEMBLER__
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OCFLAGS=
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LINKER_FILE=hwstub.lds
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TMP_LDS=link.lds
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TMP_MAP=hwstub.map
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LDFLAGS=-lgcc -Os -nostdlib -T$(TMP_LDS) -Wl,-Map,$(TMP_MAP)
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SRC_C=$(wildcard *.c)
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SRC_S=$(wildcard *.S)
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OBJ_C=$(SRC_C:.c=.o)
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OBJ_S=$(SRC_S:.S=.o)
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OBJ=$(OBJ_C) $(OBJ_S)
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OBJ_EXCEPT_CRT0=$(filter-out crt0.o,$(OBJ))
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DEPS=$(OBJ:.o=.d)
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EXEC_ELF=hwstub.elf
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#
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# image production
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#
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TOOLS=../../../tools
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SBTOOLS=../../imxtools/sbtools
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# sb (stmp37xx)
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EXEC_SB=hwstub.sb
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ELF2SB=$(SBTOOLS)/elftosb -d
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ELF2SB_CMD=-c hwstub.db
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ELF2SB_KEY?=-z
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# sb1 (stmp36xx)
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EXEC_SB1=hwstub.sb1
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ELF2SB1_CMD=-loadjump $(EXEC_ELF)
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ELF2SB1_KEY?=
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ELF2SB1=$(SBTOOLS)/elftosb1 -d
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EXEC=$(EXEC_ELF) $(EXEC_SB) $(EXEC_SB1)
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all: $(EXEC)
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# pull in dependency info for *existing* .o files
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-include $(DEPS)
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%.o: %.c
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$(CC) $(CFLAGS) -c -o $@ $<
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$(CC) -MM $(CFLAGS) $*.c > $*.d
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@cp -f $*.d $*.d.tmp
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@sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
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sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
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@rm -f $*.d.tmp
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%.o: %.S
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$(AS) $(ASFLAGS) -c -o $@ $<
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$(TMP_LDS): $(LINKER_FILE)
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$(CC) -E -x c - < $< | sed '/#/d' > $@
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$(EXEC_ELF): $(OBJ) $(TMP_LDS)
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$(LD) $(LDFLAGS) -o $@ $(OBJ_EXCEPT_CRT0)
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$(EXEC_SB): $(EXEC_ELF)
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$(ELF2SB) $(ELF2SB_CMD) $(ELF2SB_KEY) -o $@
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$(EXEC_SB1): $(EXEC_ELF)
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$(ELF2SB1) $(ELF2SB1_CMD) $(ELF2SB1_KEY) -o $@
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clean:
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rm -rf $(OBJ) $(DEPS) $(EXEC) $(TMP_LDS) $(TMP_MAP)
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