xref: /linux/arch/alpha/boot/Makefile (revision 742f62b63904cdc20a364a49d2861e32464a0af7)
1#
2# arch/alpha/boot/Makefile
3#
4# This file is subject to the terms and conditions of the GNU General Public
5# License.  See the file "COPYING" in the main directory of this archive
6# for more details.
7#
8# Copyright (C) 1994 by Linus Torvalds
9#
10
11hostprogs	:= tools/mkbb tools/objstrip
12targets		:= vmlinuz vmlinux \
13		   vmlinux.nh tools/lxboot tools/bootlx tools/bootph \
14		   tools/bootpzh bootloader bootpheader bootpzheader
15subdir-		:= compressed
16OBJSTRIP	:= $(obj)/tools/objstrip
17
18KBUILD_HOSTCFLAGS := -Wall -I$(objtree)/usr/include
19BOOTCFLAGS	+= -I$(objtree)/$(obj) -I$(srctree)/$(obj)
20
21# SRM bootable image.  Copy to offset 512 of a partition.
22$(obj)/bootimage: $(addprefix $(obj)/tools/,mkbb lxboot bootlx) $(obj)/vmlinux.nh
23	( cat $(obj)/tools/lxboot $(obj)/tools/bootlx $(obj)/vmlinux.nh ) > $@
24	$(obj)/tools/mkbb $@ $(obj)/tools/lxboot
25	@echo '  Bootimage $@ is ready'
26
27# BOOTP bootable image.  Define INITRD during make to append initrd image.
28$(obj)/bootpfile: $(obj)/tools/bootph $(obj)/vmlinux.nh
29	cat $(obj)/tools/bootph $(obj)/vmlinux.nh > $@
30ifdef INITRD
31	cat $(INITRD) >> $@
32endif
33
34# Compressed kernel BOOTP bootable image.
35# Define INITRD during make to append initrd image.
36$(obj)/bootpzfile: $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz
37	cat $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz > $@
38ifdef INITRD
39	cat $(INITRD) >> $@
40endif
41
42# Self-extracting compressed kernel image: a small ELF stub (see
43# compressed/) with the real vmlinux linked in compressed, which aboot
44# loads and enters like a plain vmlinux.
45$(obj)/compressed/vmlinux: vmlinux FORCE
46	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
47
48$(obj)/vmlinuz: $(obj)/compressed/vmlinux FORCE
49	$(call if_changed,copy)
50	@echo '  Kernel $@ is ready'
51
52$(obj)/main.o: $(obj)/ksize.h
53$(obj)/bootp.o: $(obj)/ksize.h
54$(obj)/bootpz.o: $(obj)/kzsize.h
55
56$(obj)/ksize.h: $(obj)/vmlinux.nh FORCE
57	echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T
58ifdef INITRD
59	[ -f $(INITRD) ] || exit 1
60	echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T
61endif
62	cmp -s $@T $@ || mv -f $@T $@
63	rm -f $@T
64
65$(obj)/kzsize.h: $(obj)/vmlinux.nh.gz FORCE
66	echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T
67	echo "#define KERNEL_Z_SIZE `ls -l $(obj)/vmlinux.nh.gz | awk '{print $$5}'`" >> $@T
68ifdef INITRD
69	[ -f $(INITRD) ] || exit 1
70	echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T
71endif
72	cmp -s $@T $@ || mv -f $@T $@
73	rm -f $@T
74
75quiet_cmd_strip = STRIP  $@
76      cmd_strip = $(STRIP) -o $@ $<
77
78$(obj)/vmlinux: vmlinux FORCE
79	$(call if_changed,strip)
80
81quiet_cmd_objstrip = OBJSTRIP $@
82      cmd_objstrip = $(OBJSTRIP) $(OSFLAGS_$(@F)) $< $@
83
84OSFLAGS_vmlinux.nh	:= -v
85OSFLAGS_lxboot		:= -p
86OSFLAGS_bootlx		:= -vb
87OSFLAGS_bootph		:= -vb
88OSFLAGS_bootpzh		:= -vb
89
90$(obj)/vmlinux.nh: vmlinux $(OBJSTRIP) FORCE
91	$(call if_changed,objstrip)
92
93$(obj)/vmlinux.nh.gz: $(obj)/vmlinux.nh FORCE
94	$(call if_changed,gzip)
95
96$(obj)/tools/lxboot: $(obj)/bootloader $(OBJSTRIP) FORCE
97	$(call if_changed,objstrip)
98
99$(obj)/tools/bootlx: $(obj)/bootloader $(OBJSTRIP) FORCE
100	$(call if_changed,objstrip)
101
102$(obj)/tools/bootph: $(obj)/bootpheader $(OBJSTRIP) FORCE
103	$(call if_changed,objstrip)
104
105$(obj)/tools/bootpzh: $(obj)/bootpzheader $(OBJSTRIP) FORCE
106	$(call if_changed,objstrip)
107
108LDFLAGS_bootloader   := -static -T # -N -relax
109LDFLAGS_bootloader   := -static -T # -N -relax
110LDFLAGS_bootpheader  := -static -T # -N -relax
111LDFLAGS_bootpzheader := -static -T # -N -relax
112
113OBJ_bootlx   := $(obj)/head.o $(obj)/stdio.o $(obj)/main.o
114OBJ_bootph   := $(obj)/head.o $(obj)/stdio.o $(obj)/bootp.o
115OBJ_bootpzh  := $(obj)/head.o $(obj)/stdio.o $(obj)/bootpz.o $(obj)/misc.o
116
117$(obj)/bootloader: $(obj)/bootloader.lds $(OBJ_bootlx) $(LIBS_Y) FORCE
118	$(call if_changed,ld)
119
120$(obj)/bootpheader: $(obj)/bootloader.lds $(OBJ_bootph) $(LIBS_Y) FORCE
121	$(call if_changed,ld)
122
123$(obj)/bootpzheader: $(obj)/bootloader.lds $(OBJ_bootpzh) $(LIBS_Y) FORCE
124	$(call if_changed,ld)
125
126$(obj)/misc.o: lib/inflate.c
127