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 12targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 13targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 14targets += misc.o piggy.o sizes.h head.o real2.o firmware.o 15targets += real2.S firmware.c 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 26OBJECTS += $(obj)/head.o $(obj)/real2.o $(obj)/firmware.o $(obj)/misc.o $(obj)/piggy.o 27 28LDFLAGS_vmlinux := -X -e startup --as-needed -T 29$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(LIBGCC) 30 $(call if_changed,ld) 31 32sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\|parisc_kernel_start\)$$/\#define SZ\2 0x\1/p' 33 34quiet_cmd_sizes = GEN $@ 35 cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@ 36 37$(obj)/sizes.h: vmlinux 38 $(call if_changed,sizes) 39 40AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER 41$(obj)/head.o: $(obj)/sizes.h 42 43CFLAGS_misc.o += -I$(objtree)/$(obj) 44$(obj)/misc.o: $(obj)/sizes.h 45 46$(obj)/firmware.o: $(obj)/firmware.c 47$(obj)/firmware.c: $(srctree)/arch/$(SRCARCH)/kernel/firmware.c 48 $(call cmd,shipped) 49 50AFLAGS_real2.o += -DBOOTLOADER 51$(obj)/real2.o: $(obj)/real2.S 52$(obj)/real2.S: $(srctree)/arch/$(SRCARCH)/kernel/real2.S 53 $(call cmd,shipped) 54 55$(obj)/misc.o: $(obj)/sizes.h 56 57CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER 58$(obj)/vmlinux.lds: $(obj)/sizes.h 59 60OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S 61$(obj)/vmlinux.bin: vmlinux FORCE 62 $(call if_changed,objcopy) 63 64vmlinux.bin.all-y := $(obj)/vmlinux.bin 65 66suffix-$(CONFIG_KERNEL_GZIP) := gz 67suffix-$(CONFIG_KERNEL_BZIP2) := bz2 68suffix-$(CONFIG_KERNEL_LZ4) := lz4 69suffix-$(CONFIG_KERNEL_LZMA) := lzma 70suffix-$(CONFIG_KERNEL_LZO) := lzo 71suffix-$(CONFIG_KERNEL_XZ) := xz 72 73$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) 74 $(call if_changed,gzip) 75$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) 76 $(call if_changed,bzip2) 77$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) 78 $(call if_changed,lz4) 79$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) 80 $(call if_changed,lzma) 81$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) 82 $(call if_changed,lzo) 83$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) 84 $(call if_changed,xzkern) 85 86LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T 87$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) 88 $(call if_changed,ld) 89