diff options
Diffstat (limited to 'arch/parisc/boot/compressed/Makefile')
-rw-r--r-- | arch/parisc/boot/compressed/Makefile | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile new file mode 100644 index 000000000..a294a1b58 --- /dev/null +++ b/arch/parisc/boot/compressed/Makefile @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# linux/arch/parisc/boot/compressed/Makefile +# +# create a compressed self-extracting vmlinux image from the original vmlinux +# + +KCOV_INSTRUMENT := n +GCOV_PROFILE := n +UBSAN_SANITIZE := n + +OBJECTS := head.o real2.o firmware.o misc.o piggy.o +targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 +targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 +targets += $(OBJECTS) sizes.h + +KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER +KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING +KBUILD_CFLAGS += -fno-strict-aliasing +KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -fno-builtin-printf +KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os +ifndef CONFIG_64BIT +KBUILD_CFLAGS += -mfast-indirect-calls +endif + +LDFLAGS_vmlinux := -X -e startup --as-needed -T +$(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix $(obj)/, $(OBJECTS)) $(LIBGCC) FORCE + $(call if_changed,ld) + +sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\|parisc_kernel_start\)$$/\#define SZ\2 0x\1/p' + +quiet_cmd_sizes = GEN $@ + cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@ + +$(obj)/sizes.h: vmlinux FORCE + $(call if_changed,sizes) + +AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER +$(obj)/head.o: $(obj)/sizes.h + +CFLAGS_misc.o += -I$(objtree)/$(obj) +$(obj)/misc.o: $(obj)/sizes.h + +AFLAGS_real2.o += -DBOOTLOADER + +CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER +$(obj)/vmlinux.lds: $(obj)/sizes.h + +OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S +$(obj)/vmlinux.bin: vmlinux FORCE + $(call if_changed,objcopy) + +suffix-$(CONFIG_KERNEL_GZIP) := gz +suffix-$(CONFIG_KERNEL_BZIP2) := bz2 +suffix-$(CONFIG_KERNEL_LZ4) := lz4 +suffix-$(CONFIG_KERNEL_LZMA) := lzma +suffix-$(CONFIG_KERNEL_LZO) := lzo +suffix-$(CONFIG_KERNEL_XZ) := xz + +$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE + $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE + $(call if_changed,bzip2_with_size) +$(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FORCE + $(call if_changed,lz4_with_size) +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzma_with_size) +$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzo_with_size) +$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE + $(call if_changed,xzkern_with_size) + +LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE + $(call if_changed,ld) |