1#
2# MAKEFILE FOR THE MIPS LINUX BOOTLOADER AND ROM DEBUGGER
3#
4# i-data Networks
5#
6# Author: Thomas Horsten <thh@i-data.com>
7#
8
9ifndef Version
10 Version = "$(USER)-test"
11endif
12
13MKLASATIMG = mklasatimg
14MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200
15KERNEL_IMAGE = vmlinux
16KERNEL_START = $(shell $(NM) $(KERNEL_IMAGE) | grep " _text" | cut -f1 -d\ )
17KERNEL_ENTRY = $(shell $(NM) $(KERNEL_IMAGE) | grep kernel_entry | cut -f1 -d\ )
18
19LDSCRIPT= -L$(srctree)/$(src) -Tromscript.normal
20
21HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \
22		-D_kernel_entry=0x$(KERNEL_ENTRY) \
23		-D VERSION="\"$(Version)\"" \
24		-D TIMESTAMP=$(shell date +%s)
25
26$(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
27	$(CC) -fno-pic $(HEAD_DEFINES) $(LINUXINCLUDE) -c -o $@ $<
28
29OBJECTS = head.o kImage.o
30
31rom.sw:	$(obj)/rom.sw
32rom.bin:	$(obj)/rom.bin
33
34$(obj)/rom.sw:	$(obj)/rom.bin
35	$(MKLASATIMG) -o $@ -k $^ -m $(MKLASATIMG_ARCH)
36
37$(obj)/rom.bin: $(obj)/rom
38	$(OBJCOPY) -O binary -S $^ $@
39
40# Rule to make the bootloader
41$(obj)/rom: $(addprefix $(obj)/,$(OBJECTS))
42	$(LD) $(LDFLAGS) $(LDSCRIPT) -o $@ $^
43
44$(obj)/%.o: $(obj)/%.gz
45	$(LD) -r -o $@ -b binary $<
46
47$(obj)/%.gz: $(obj)/%.bin
48	gzip -cf -9 $< > $@
49
50$(obj)/kImage.bin: $(KERNEL_IMAGE)
51	$(OBJCOPY) -O binary -S $^ $@
52
53clean:
54	rm -f rom rom.bin rom.sw kImage.bin kImage.o
55