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#
# MAKEFILE FOR THE MIPS LINUX BOOTLOADER AND ROM DEBUGGER
#
# i-data Networks
#
# Author: Thomas Horsten <thh@i-data.com>
#
ifndef Version
Version = "$(USER)-test"
endif
MKLASATIMG = mklasatimg
MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200
KERNEL_IMAGE = $(TOPDIR)/vmlinux
KERNEL_START = $(shell $(NM) $(KERNEL_IMAGE) | grep " _text" | cut -f1 -d\ )
KERNEL_ENTRY = $(shell $(NM) $(KERNEL_IMAGE) | grep kernel_entry | cut -f1 -d\ )
LDSCRIPT= -L$(obj) -Tromscript.normal
HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \
-D_kernel_entry=0x$(KERNEL_ENTRY) \
-D VERSION="\"$(Version)\"" \
-D TIMESTAMP=$(shell date +%s)
$(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
$(CC) -fno-pic $(HEAD_DEFINES) -I$(TOPDIR)/include -c -o $@ $<
OBJECTS = head.o kImage.o
rom.sw: $(obj)/rom.sw
$(obj)/rom.sw: $(obj)/rom.bin
$(MKLASATIMG) -o $@ -k $^ -m $(MKLASATIMG_ARCH)
$(obj)/rom.bin: $(obj)/rom
$(OBJCOPY) -O binary -S $^ $@
# Rule to make the bootloader
$(obj)/rom: $(addprefix $(obj)/,$(OBJECTS))
$(LD) $(LDFLAGS) $(LDSCRIPT) -o $@ $^
$(obj)/%.o: $(obj)/%.gz
$(LD) -r -o $@ -b binary $<
$(obj)/%.gz: $(obj)/%.bin
gzip -cf -9 $< > $@
$(obj)/kImage.bin: $(KERNEL_IMAGE)
$(OBJCOPY) -O binary -S $^ $@
clean:
rm -f rom rom.bin rom.sw kImage.bin kImage.o
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