f78b25ee92
As commit 7ae4a78daa ("ARM: 8969/1: decompressor: simplify libfdt
builds") stated, copying source files during the build time may not
end up with as clean code as expected.
Do similar for mips to clean up the Makefile and .gitignore.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
215 lines
5.6 KiB
Makefile
215 lines
5.6 KiB
Makefile
#
|
|
# This file is subject to the terms and conditions of the GNU General Public
|
|
# License.
|
|
#
|
|
# Adapted for MIPS Pete Popov, Dan Malek
|
|
#
|
|
# Copyright (C) 1994 by Linus Torvalds
|
|
# Adapted for PowerPC by Gary Thomas
|
|
# modified by Cort (cort@cs.nmt.edu)
|
|
#
|
|
# Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University
|
|
# Author: Wu Zhangjin <wuzhangjin@gmail.com>
|
|
#
|
|
|
|
include $(srctree)/arch/mips/Kbuild.platforms
|
|
|
|
# set the default size of the mallocing area for decompressing
|
|
BOOT_HEAP_SIZE := 0x400000
|
|
|
|
# Disable Function Tracer
|
|
KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE), $(KBUILD_CFLAGS))
|
|
|
|
KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS))
|
|
|
|
# Disable lq/sq in zboot
|
|
ifdef CONFIG_CPU_LOONGSON64
|
|
KBUILD_CFLAGS := $(filter-out -march=loongson3a, $(KBUILD_CFLAGS)) -march=mips64r2
|
|
endif
|
|
|
|
KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \
|
|
-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
|
|
|
|
KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
|
|
-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
|
|
-DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)
|
|
|
|
# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
|
|
KCOV_INSTRUMENT := n
|
|
GCOV_PROFILE := n
|
|
UBSAN_SANITIZE := n
|
|
|
|
# decompressor objects (linked with vmlinuz)
|
|
vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o
|
|
|
|
ifdef CONFIG_DEBUG_ZBOOT
|
|
vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o
|
|
vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
|
|
vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o
|
|
vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
|
|
vmlinuzobjs-$(CONFIG_ATH79) += $(obj)/uart-ath79.o
|
|
endif
|
|
|
|
vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o
|
|
|
|
vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o
|
|
|
|
targets := $(notdir $(vmlinuzobjs-y))
|
|
|
|
targets += vmlinux.bin
|
|
|
|
OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
|
|
|
|
$(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
|
|
$(call if_changed,objcopy)
|
|
|
|
tool_$(CONFIG_KERNEL_GZIP) = gzip
|
|
tool_$(CONFIG_KERNEL_BZIP2) = bzip2
|
|
tool_$(CONFIG_KERNEL_LZ4) = lz4
|
|
tool_$(CONFIG_KERNEL_LZMA) = lzma
|
|
tool_$(CONFIG_KERNEL_LZO) = lzo
|
|
tool_$(CONFIG_KERNEL_XZ) = xzkern
|
|
tool_$(CONFIG_KERNEL_ZSTD) = zstd22
|
|
|
|
targets += vmlinux.bin.z
|
|
|
|
$(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
|
|
$(call if_changed,$(tool_y))
|
|
|
|
targets += piggy.o dummy.o
|
|
|
|
OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \
|
|
--set-section-flags=.image=contents,alloc,load,readonly,data
|
|
|
|
$(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
|
|
$(call if_changed,objcopy)
|
|
|
|
HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE)
|
|
|
|
# Calculate the load address of the compressed kernel image
|
|
hostprogs := calc_vmlinuz_load_addr
|
|
|
|
ifneq ($(zload-y),)
|
|
VMLINUZ_LOAD_ADDRESS := $(zload-y)
|
|
else
|
|
VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
|
|
$(obj)/vmlinux.bin $(LINKER_LOAD_ADDRESS))
|
|
endif
|
|
UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
|
|
|
|
vmlinuzobjs-y += $(obj)/piggy.o
|
|
|
|
targets += ../../../../vmlinuz
|
|
|
|
quiet_cmd_zld = LD $@
|
|
cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
|
|
quiet_cmd_strip = STRIP $@
|
|
cmd_strip = $(STRIP) -s $@
|
|
|
|
$(objtree)/vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
|
|
$(call cmd,zld)
|
|
$(call cmd,strip)
|
|
|
|
objboot := $(objtree)/arch/mips/boot
|
|
|
|
$(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE
|
|
|
|
#
|
|
# Some DECstations need all possible sections of an ECOFF executable
|
|
#
|
|
ifdef CONFIG_MACH_DECSTATION
|
|
e2eflag := -a
|
|
endif
|
|
|
|
# elf2ecoff can only handle 32bit image
|
|
hostprogs += ../elf2ecoff
|
|
|
|
ifdef CONFIG_32BIT
|
|
VMLINUZ = $(objtree)/vmlinuz
|
|
else
|
|
VMLINUZ = $(objboot)/vmlinuz.32
|
|
endif
|
|
|
|
targets += ../vmlinuz.32
|
|
|
|
quiet_cmd_32 = OBJCOPY $@
|
|
cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
|
|
|
|
$(objboot)/vmlinuz.32: $(objtree)/vmlinuz
|
|
$(call cmd,32)
|
|
|
|
targets += ../vmlinuz.ecoff
|
|
|
|
quiet_cmd_ecoff = ECOFF $@
|
|
cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag)
|
|
|
|
$(objboot)/vmlinuz.ecoff: $(objboot)/elf2ecoff $(VMLINUZ)
|
|
$(call cmd,ecoff)
|
|
|
|
targets += ../vmlinuz.bin
|
|
|
|
OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
|
|
|
|
$(objboot)/vmlinuz.bin: $(objtree)/vmlinuz
|
|
$(call cmd,objcopy)
|
|
|
|
targets += ../vmlinuz.srec
|
|
|
|
OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
|
|
|
|
$(objboot)/vmlinuz.srec: $(objtree)/vmlinuz
|
|
$(call cmd,objcopy)
|
|
|
|
targets += ../uzImage.bin
|
|
|
|
$(objboot)/uzImage.bin: $(objboot)/vmlinuz.bin FORCE
|
|
$(call if_changed,uimage,none)
|
|
|
|
#
|
|
# Flattened Image Tree (.itb) image
|
|
#
|
|
|
|
ifeq ($(ADDR_BITS),32)
|
|
itb_addr_cells = 1
|
|
endif
|
|
ifeq ($(ADDR_BITS),64)
|
|
itb_addr_cells = 2
|
|
endif
|
|
|
|
targets += ../vmlinuz.its.S
|
|
|
|
quiet_cmd_its_cat = CAT $@
|
|
cmd_its_cat = cat $(real-prereqs) >$@
|
|
|
|
$(objboot)/vmlinuz.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
|
|
$(call if_changed,its_cat)
|
|
|
|
targets += ../vmlinuz.its
|
|
|
|
quiet_cmd_cpp_its_S = ITS $@
|
|
cmd_cpp_its_S = $(CPP) -P -C -o $@ $< \
|
|
-DKERNEL_NAME="\"Linux $(KERNELRELEASE)\"" \
|
|
-DVMLINUX_BINARY="\"$(2)\"" \
|
|
-DVMLINUX_COMPRESSION="\"none\"" \
|
|
-DVMLINUX_LOAD_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \
|
|
-DVMLINUX_ENTRY_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \
|
|
-DADDR_BITS=$(ADDR_BITS) \
|
|
-DADDR_CELLS=$(itb_addr_cells)
|
|
|
|
$(objboot)/vmlinuz.its: $(objboot)/vmlinuz.its.S FORCE
|
|
$(call if_changed,cpp_its_S,vmlinuz.bin)
|
|
|
|
targets += ../vmlinuz.itb
|
|
|
|
quiet_cmd_itb-image = ITB $@
|
|
cmd_itb-image = \
|
|
env PATH="$(objtree)/scripts/dtc:$(PATH)" \
|
|
$(BASH) $(MKIMAGE) \
|
|
-D "-I dts -O dtb -p 500 \
|
|
--include $(objtree)/arch/mips \
|
|
--warning no-unit_address_vs_reg" \
|
|
-f $(2) $@
|
|
|
|
$(objboot)/vmlinuz.itb: $(objboot)/vmlinuz.its $(objboot)/vmlinuz.bin FORCE
|
|
$(call if_changed,itb-image,$<)
|