76 lines
2.4 KiB
Makefile
76 lines
2.4 KiB
Makefile
|
# 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)
|