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 8OBJECTS := head.o real2.o firmware.o misc.o piggy.o 9targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 10targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 11targets += $(OBJECTS) sizes.h 12 13KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER 14KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 15KBUILD_CFLAGS += -fno-strict-aliasing 16KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -fno-builtin-printf 17KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os 18ifndef CONFIG_64BIT 19KBUILD_CFLAGS += -mfast-indirect-calls 20endif 21KBUILD_CFLAGS += -std=gnu11 22 23LDFLAGS_vmlinux := -X -e startup --as-needed -T 24$(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix $(obj)/, $(OBJECTS)) $(LIBGCC) FORCE 25 $(call if_changed,ld) 26 27sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\|parisc_kernel_start\)$$/\#define SZ\2 0x\1/p' 28 29quiet_cmd_sizes = GEN $@ 30 cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@ 31 32$(obj)/sizes.h: vmlinux FORCE 33 $(call if_changed,sizes) 34 35AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER 36$(obj)/head.o: $(obj)/sizes.h 37 38CFLAGS_misc.o += -I$(objtree)/$(obj) 39$(obj)/misc.o: $(obj)/sizes.h 40 41AFLAGS_real2.o += -DBOOTLOADER 42 43CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER 44$(obj)/vmlinux.lds: $(obj)/sizes.h 45 46OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S 47$(obj)/vmlinux.bin: vmlinux FORCE 48 $(call if_changed,objcopy) 49 50suffix-$(CONFIG_KERNEL_GZIP) := gz 51suffix-$(CONFIG_KERNEL_BZIP2) := bz2 52suffix-$(CONFIG_KERNEL_LZ4) := lz4 53suffix-$(CONFIG_KERNEL_LZMA) := lzma 54suffix-$(CONFIG_KERNEL_LZO) := lzo 55suffix-$(CONFIG_KERNEL_XZ) := xz 56 57$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 58 $(call if_changed,gzip) 59$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE 60 $(call if_changed,bzip2_with_size) 61$(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FORCE 62 $(call if_changed,lz4_with_size) 63$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE 64 $(call if_changed,lzma_with_size) 65$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE 66 $(call if_changed,lzo_with_size) 67$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE 68 $(call if_changed,xzkern_with_size) 69 70LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T 71$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 72 $(call if_changed,ld) 73