1#
2# linux/arch/parisc/boot/compressed/Makefile
3#
4# create a compressed self-extracting vmlinux image from the original vmlinux
5#
6
7KCOV_INSTRUMENT := n
8GCOV_PROFILE := n
9UBSAN_SANITIZE := n
10
11targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
12targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
13targets += misc.o piggy.o sizes.h head.o real2.o firmware.o
14
15KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER
16KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
17KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks
18KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
19ifndef CONFIG_64BIT
20KBUILD_CFLAGS += -mfast-indirect-calls
21endif
22
23OBJECTS += $(obj)/head.o $(obj)/real2.o $(obj)/firmware.o $(obj)/misc.o $(obj)/piggy.o
24
25# LDFLAGS_vmlinux := -X --whole-archive -e startup -T
26LDFLAGS_vmlinux := -X -e startup --as-needed -T
27$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(LIBGCC)
28	$(call if_changed,ld)
29
30sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\|parisc_kernel_start\)$$/\#define SZ\2 0x\1/p'
31
32quiet_cmd_sizes = GEN $@
33      cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@
34
35$(obj)/sizes.h: vmlinux
36	$(call if_changed,sizes)
37
38AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER
39$(obj)/head.o: $(obj)/sizes.h
40
41CFLAGS_misc.o += -I$(objtree)/$(obj)
42$(obj)/misc.o: $(obj)/sizes.h
43
44$(obj)/firmware.o: $(obj)/firmware.c
45$(obj)/firmware.c: $(srctree)/arch/$(SRCARCH)/kernel/firmware.c
46	$(call cmd,shipped)
47
48AFLAGS_real2.o += -DBOOTLOADER
49$(obj)/real2.o: $(obj)/real2.S
50$(obj)/real2.S: $(srctree)/arch/$(SRCARCH)/kernel/real2.S
51	$(call cmd,shipped)
52
53$(obj)/misc.o: $(obj)/sizes.h
54
55CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER
56$(obj)/vmlinux.lds: $(obj)/sizes.h
57
58OBJCOPYFLAGS_vmlinux.bin := -O binary -R .comment -S
59$(obj)/vmlinux.bin: vmlinux
60	$(call if_changed,objcopy)
61
62vmlinux.bin.all-y := $(obj)/vmlinux.bin
63
64suffix-$(CONFIG_KERNEL_GZIP)  := gz
65suffix-$(CONFIG_KERNEL_BZIP2) := bz2
66suffix-$(CONFIG_KERNEL_LZ4)  := lz4
67suffix-$(CONFIG_KERNEL_LZMA)  := lzma
68suffix-$(CONFIG_KERNEL_LZO)  := lzo
69suffix-$(CONFIG_KERNEL_XZ)  := xz
70
71$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
72	$(call if_changed,gzip)
73$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
74	$(call if_changed,bzip2)
75$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
76	$(call if_changed,lz4)
77$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
78	$(call if_changed,lzma)
79$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
80	$(call if_changed,lzo)
81$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
82	$(call if_changed,xzkern)
83
84LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
85$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y)
86	$(call if_changed,ld)
87