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 += $(cflags-y) -fno-delete-null-pointer-checks -fno-builtin-printf 20KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os 21ifndef CONFIG_64BIT 22KBUILD_CFLAGS += -mfast-indirect-calls 23endif 24 25OBJECTS += $(obj)/head.o $(obj)/real2.o $(obj)/firmware.o $(obj)/misc.o $(obj)/piggy.o 26 27LDFLAGS_vmlinux := -X -e startup --as-needed -T 28$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(LIBGCC) 29 $(call if_changed,ld) 30 31sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\|parisc_kernel_start\)$$/\#define SZ\2 0x\1/p' 32 33quiet_cmd_sizes = GEN $@ 34 cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@ 35 36$(obj)/sizes.h: vmlinux 37 $(call if_changed,sizes) 38 39AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER 40$(obj)/head.o: $(obj)/sizes.h 41 42CFLAGS_misc.o += -I$(objtree)/$(obj) 43$(obj)/misc.o: $(obj)/sizes.h 44 45$(obj)/firmware.o: $(obj)/firmware.c 46$(obj)/firmware.c: $(srctree)/arch/$(SRCARCH)/kernel/firmware.c 47 $(call cmd,shipped) 48 49AFLAGS_real2.o += -DBOOTLOADER 50$(obj)/real2.o: $(obj)/real2.S 51$(obj)/real2.S: $(srctree)/arch/$(SRCARCH)/kernel/real2.S 52 $(call cmd,shipped) 53 54$(obj)/misc.o: $(obj)/sizes.h 55 56CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER 57$(obj)/vmlinux.lds: $(obj)/sizes.h 58 59OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S 60$(obj)/vmlinux.bin: vmlinux FORCE 61 $(call if_changed,objcopy) 62 63vmlinux.bin.all-y := $(obj)/vmlinux.bin 64 65suffix-$(CONFIG_KERNEL_GZIP) := gz 66suffix-$(CONFIG_KERNEL_BZIP2) := bz2 67suffix-$(CONFIG_KERNEL_LZ4) := lz4 68suffix-$(CONFIG_KERNEL_LZMA) := lzma 69suffix-$(CONFIG_KERNEL_LZO) := lzo 70suffix-$(CONFIG_KERNEL_XZ) := xz 71 72$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) 73 $(call if_changed,gzip) 74$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) 75 $(call if_changed,bzip2) 76$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) 77 $(call if_changed,lz4) 78$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) 79 $(call if_changed,lzma) 80$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) 81 $(call if_changed,lzo) 82$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) 83 $(call if_changed,xzkern) 84 85LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T 86$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) 87 $(call if_changed,ld) 88