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 = $(TOPDIR)/vmlinux
16KERNEL_START = $(shell $(NM) $(KERNEL_IMAGE) | grep " _text" | cut -f1 -d\ )
17KERNEL_ENTRY = $(shell $(NM) $(KERNEL_IMAGE) | grep kernel_entry | cut -f1 -d\ )
18
19LDSCRIPT= -L$(obj) -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 $(HEAD_DEFINES) -I$(TOPDIR)/include -c -o $@ $<
28
29OBJECTS = head.o kImage.o
30
31rom.sw:	$(obj)/rom.sw
32
33$(obj)/rom.sw:	$(obj)/rom.bin
34	$(MKLASATIMG) -o $@ -k $^ -m $(MKLASATIMG_ARCH)
35
36$(obj)/rom.bin: $(obj)/rom
37	$(OBJCOPY) -O binary -S $^ $@
38
39# Rule to make the bootloader
40$(obj)/rom: $(addprefix $(obj)/,$(OBJECTS))
41	$(LD) $(LDFLAGS) $(LDSCRIPT) -o $@ $^
42
43$(obj)/%.o: $(obj)/%.gz
44	$(LD) -r -o $@ -b binary $<
45
46$(obj)/%.gz: $(obj)/%.bin
47	gzip -cf -9 $< > $@
48
49$(obj)/kImage.bin: $(KERNEL_IMAGE)
50	$(OBJCOPY) -O binary -S $^ $@
51
52clean:
53	rm -f rom rom.bin rom.sw kImage.bin kImage.o
54