1# SPDX-License-Identifier: GPL-2.0
2#
3# MAKEFILE FOR THE MIPS LINUX BOOTLOADER AND ROM DEBUGGER
4#
5# i-data Networks
6#
7# Author: Thomas Horsten <thh@i-data.com>
8#
9
10ifndef Version
11 Version = "$(USER)-test"
12endif
13
14MKLASATIMG = mklasatimg
15MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200
16KERNEL_IMAGE = vmlinux
17
18LDSCRIPT= -L$(srctree)/$(src) -Tromscript.normal
19
20HEAD_DEFINES := -D_kernel_start=$(VMLINUX_LOAD_ADDRESS) \
21		-D_kernel_entry=$(VMLINUX_ENTRY_ADDRESS) \
22		-D VERSION="\"$(Version)\"" \
23		-D TIMESTAMP=$(shell date +%s)
24
25$(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
26	$(CC) -fno-pic $(HEAD_DEFINES) $(LINUXINCLUDE) -c -o $@ $<
27
28OBJECTS = head.o kImage.o
29
30rom.sw: $(obj)/rom.sw
31rom.bin:	$(obj)/rom.bin
32
33$(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) $(KBUILD_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