projects / mirror_ubuntu-kernels.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 1844c9bc MS |
2 | # |
| 3 | # linux/arch/s390/boot/compressed/Makefile | |
| 4 | # | |
| 5 | # create a compressed vmlinux image from the original vmlinux | |
| 6 | # | |
| 7 | ||
| 907fa061 HC |
8 | KCOV_INSTRUMENT := n |
| 9 | ||
| 8e2872ce HC |
10 | targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 |
| 11 | targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 | |
| 4bfc86ce | 12 | targets += misc.o piggy.o sizes.h head.o |
| 1844c9bc | 13 | |
| 846221cf | 14 | KBUILD_CFLAGS := -m64 -D__KERNEL__ -O2 |
| 1a0f2487 | 15 | KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
| adc0b7fb | 16 | KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -msoft-float |
| 1844c9bc MS |
17 | KBUILD_CFLAGS += $(call cc-option,-mpacked-stack) |
| 18 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) | |
| 19 | ||
| 20 | GCOV_PROFILE := n | |
| c42d8c7d | 21 | UBSAN_SANITIZE := n |
| 1844c9bc | 22 | |
| 9090f3fe HC |
23 | OBJECTS := $(addprefix $(objtree)/arch/s390/kernel/, head.o ebcdic.o als.o) |
| 24 | OBJECTS += $(objtree)/drivers/s390/char/sclp_early_core.o | |
| 4bfc86ce | 25 | OBJECTS += $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o |
| 1844c9bc MS |
26 | |
| 27 | LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup -T | |
| 28 | $(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) | |
| 29 | $(call if_changed,ld) | |
| 1844c9bc MS |
30 | |
| 31 | sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\)$$/\#define SZ\2 0x\1/p' | |
| 32 | ||
| 33 | quiet_cmd_sizes = GEN $@ | |
| 34 | cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@ | |
| 35 | ||
| 36 | $(obj)/sizes.h: vmlinux | |
| 37 | $(call if_changed,sizes) | |
| 38 | ||
| 58ab5e0c | 39 | AFLAGS_head.o += -I$(objtree)/$(obj) |
| 4bfc86ce | 40 | $(obj)/head.o: $(obj)/sizes.h |
| 1844c9bc | 41 | |
| 58ab5e0c | 42 | CFLAGS_misc.o += -I$(objtree)/$(obj) |
| 1844c9bc MS |
43 | $(obj)/misc.o: $(obj)/sizes.h |
| 44 | ||
| 45 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S | |
| 46 | $(obj)/vmlinux.bin: vmlinux | |
| 47 | $(call if_changed,objcopy) | |
| 48 | ||
| 49 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | |
| 50 | ||
| 51 | suffix-$(CONFIG_KERNEL_GZIP) := gz | |
| 52 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 | |
| 8e2872ce | 53 | suffix-$(CONFIG_KERNEL_LZ4) := lz4 |
| 1844c9bc | 54 | suffix-$(CONFIG_KERNEL_LZMA) := lzma |
| cdf56649 | 55 | suffix-$(CONFIG_KERNEL_LZO) := lzo |
| d7b081ac | 56 | suffix-$(CONFIG_KERNEL_XZ) := xz |
| 1844c9bc MS |
57 | |
| 58 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) | |
| 59 | $(call if_changed,gzip) | |
| 60 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) | |
| 61 | $(call if_changed,bzip2) | |
| 8e2872ce HC |
62 | $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) |
| 63 | $(call if_changed,lz4) | |
| 1844c9bc MS |
64 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) |
| 65 | $(call if_changed,lzma) | |
| cdf56649 HC |
66 | $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) |
| 67 | $(call if_changed,lzo) | |
| d7b081ac HC |
68 | $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) |
| 69 | $(call if_changed,xzkern) | |
| 1844c9bc MS |
70 | |
| 71 | LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T | |
| 72 | $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) | |
| 73 | $(call if_changed,ld) |