xref: /linux/arch/parisc/boot/compressed/Makefile (revision 8e07e0e3964ca4e23ce7b68e2096fe660a888942) 
1# SPDX-License-Identifier: GPL-2.0-only
2#
3# linux/arch/parisc/boot/compressed/Makefile
4#
5# create a compressed self-extracting vmlinux image from the original vmlinux
6#
7
8KCOV_INSTRUMENT := n
9GCOV_PROFILE := n
10UBSAN_SANITIZE := n
11
12OBJECTS := head.o real2.o firmware.o misc.o piggy.o
13targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
14targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
15targets += $(OBJECTS) sizes.h
16
17KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER
18KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
19KBUILD_CFLAGS += -fno-strict-aliasing
20KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -fno-builtin-printf
21KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
22ifndef CONFIG_64BIT
23KBUILD_CFLAGS += -mfast-indirect-calls
24endif
25
26LDFLAGS_vmlinux := -X -e startup --as-needed -T
27$(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix $(obj)/, $(OBJECTS)) $(LIBGCC) FORCE
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 FORCE
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: $(obj)/sizes.h
43
44AFLAGS_real2.o += -DBOOTLOADER
45
46CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER
47$(obj)/vmlinux.lds: $(obj)/sizes.h
48
49OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S
50$(obj)/vmlinux.bin: vmlinux FORCE
51	$(call if_changed,objcopy)
52
53suffix-$(CONFIG_KERNEL_GZIP)  := gz
54suffix-$(CONFIG_KERNEL_BZIP2) := bz2
55suffix-$(CONFIG_KERNEL_LZ4)  := lz4
56suffix-$(CONFIG_KERNEL_LZMA)  := lzma
57suffix-$(CONFIG_KERNEL_LZO)  := lzo
58suffix-$(CONFIG_KERNEL_XZ)  := xz
59
60$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
61	$(call if_changed,gzip)
62$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
63	$(call if_changed,bzip2_with_size)
64$(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FORCE
65	$(call if_changed,lz4_with_size)
66$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
67	$(call if_changed,lzma_with_size)
68$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
69	$(call if_changed,lzo_with_size)
70$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
71	$(call if_changed,xzkern_with_size)
72
73LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
74$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
75	$(call if_changed,ld)
76