1 # SPDX-License-Identifier: GPL-2.0-only
2 #
3 # linux/arch/parisc/boot/compressed/Makefile
4 #
5 # create a compressed self-extracting vmlinux
6 #
7
8 OBJECTS := head.o real2.o firmware.o misc.o pi
9 targets := vmlinux.lds vmlinux vmlinux.bin vml
10 targets += vmlinux.bin.xz vmlinux.bin.lzma vml
11 targets += $(OBJECTS) sizes.h
12
13 KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER
14 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
15 KBUILD_CFLAGS += -fno-strict-aliasing
16 KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-
17 KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdi
18 ifndef CONFIG_64BIT
19 KBUILD_CFLAGS += -mfast-indirect-calls
20 endif
21
22 LDFLAGS_vmlinux := -X -e startup --as-needed -
23 $(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix
24 $(call if_changed,ld)
25
26 sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss
27
28 quiet_cmd_sizes = GEN $@
29 cmd_sizes = $(NM) $< | sed -n $(sed-size
30
31 $(obj)/sizes.h: vmlinux FORCE
32 $(call if_changed,sizes)
33
34 AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOA
35 $(obj)/head.o: $(obj)/sizes.h
36
37 CFLAGS_misc.o += -I$(objtree)/$(obj)
38 $(obj)/misc.o: $(obj)/sizes.h
39
40 AFLAGS_real2.o += -DBOOTLOADER
41
42 CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -D
43 $(obj)/vmlinux.lds: $(obj)/sizes.h
44
45 OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .no
46 $(obj)/vmlinux.bin: vmlinux FORCE
47 $(call if_changed,objcopy)
48
49 suffix-$(CONFIG_KERNEL_GZIP) := gz
50 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
51 suffix-$(CONFIG_KERNEL_LZ4) := lz4
52 suffix-$(CONFIG_KERNEL_LZMA) := lzma
53 suffix-$(CONFIG_KERNEL_LZO) := lzo
54 suffix-$(CONFIG_KERNEL_XZ) := xz
55
56 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC
57 $(call if_changed,gzip)
58 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FOR
59 $(call if_changed,bzip2_with_size)
60 $(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FOR
61 $(call if_changed,lz4_with_size)
62 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FO
63 $(call if_changed,lzma_with_size)
64 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FOR
65 $(call if_changed,lzo_with_size)
66 $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORC
67 $(call if_changed,xzkern_with_size)
68
69 LDFLAGS_piggy.o := -r --format binary --oforma
70 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmli
71 $(call if_changed,ld)
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