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 8 OBJECTS := head.o real2.o firmware.o misc.o piggy.o 9 targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 10 targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 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-pointer-checks -fno-builtin-printf 17 KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os 18 ifndef CONFIG_64BIT 19 KBUILD_CFLAGS += -mfast-indirect-calls 20 endif 21 22 LDFLAGS_vmlinux := -X -e startup --as-needed -T 23 $(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix $(obj)/, $(OBJECTS)) $(LIBGCC) FORCE 24 $(call if_changed,ld) 25 26 sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\|parisc_kernel_start\)$$/\#define SZ\2 0x\1/p' 27 28 quiet_cmd_sizes = GEN $@ 29 cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@ 30 31 $(obj)/sizes.h: vmlinux FORCE 32 $(call if_changed,sizes) 33 34 AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER 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) -DBOOTLOADER 43 $(obj)/vmlinux.lds: $(obj)/sizes.h 44 45 OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S 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 FORCE 57 $(call if_changed,gzip) 58 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE 59 $(call if_changed,bzip2_with_size) 60 $(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FORCE 61 $(call if_changed,lz4_with_size) 62 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE 63 $(call if_changed,lzma_with_size) 64 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE 65 $(call if_changed,lzo_with_size) 66 $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE 67 $(call if_changed,xzkern_with_size) 68 69 LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T 70 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 71 $(call if_changed,ld)
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