9ed491b88b
In preparation for removing some of the MIPS compiler intrinsics from arch/mips/lib, first update the build of vmlinuz to use the generic ashldi3 from lib. Both ashldi3 and bswapsi objects need to be built with different CFLAGS for inclusion to vmlinuz rather than simply including the object built for the main kernel image. The objects cannot be built directly from source, since CONFIG_MODVERSIONS changes cmd_cc_o_c to prevent this. Split the rule to ship ashldi3 and bswapsi from the relevant source locations. These files make no reference to other files in their directory, so the additional CFLAGS are apparently unnecessary - remove them as well. Signed-off-by: Matt Redfearn <matt.redfearn@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Antony Pavlov <antonynpavlov@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/19050/ [jhogan@kernel.org: Add if_changed and FORCE to fix build failure when arch/mips/boot/compressed/ashldi3.c is already generated but there is no .ashldi3.c.cmd file yet] Signed-off-by: James Hogan <jhogan@kernel.org>
144 lines
4.1 KiB
Makefile
144 lines
4.1 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 -pg, $(KBUILD_CFLAGS))
|
|
|
|
KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS))
|
|
|
|
KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ \
|
|
-DBOOT_HEAP_SIZE=$(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)
|
|
|
|
# decompressor objects (linked with vmlinuz)
|
|
vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o
|
|
|
|
ifdef CONFIG_DEBUG_ZBOOT
|
|
vmlinuzobjs-$(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
|
|
|
|
extra-y += uart-ath79.c
|
|
$(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c
|
|
$(call cmd,shipped)
|
|
|
|
vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o
|
|
|
|
extra-y += ashldi3.c
|
|
$(obj)/ashldi3.c: $(obj)/%.c: $(srctree)/lib/%.c FORCE
|
|
$(call if_changed,shipped)
|
|
|
|
extra-y += bswapsi.c
|
|
$(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c FORCE
|
|
$(call if_changed,shipped)
|
|
|
|
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
|
|
|
|
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
|
|
$(call if_changed,objcopy)
|
|
|
|
# Calculate the load address of the compressed kernel image
|
|
hostprogs-y := calc_vmlinuz_load_addr
|
|
|
|
ifneq ($(zload-y),)
|
|
VMLINUZ_LOAD_ADDRESS := $(zload-y)
|
|
else
|
|
VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
|
|
$(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS))
|
|
endif
|
|
UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
|
|
|
|
vmlinuzobjs-y += $(obj)/piggy.o
|
|
|
|
quiet_cmd_zld = LD $@
|
|
cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
|
|
quiet_cmd_strip = STRIP $@
|
|
cmd_strip = $(STRIP) -s $@
|
|
vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
|
|
$(call cmd,zld)
|
|
$(call cmd,strip)
|
|
|
|
#
|
|
# Some DECstations need all possible sections of an ECOFF executable
|
|
#
|
|
ifdef CONFIG_MACH_DECSTATION
|
|
e2eflag := -a
|
|
endif
|
|
|
|
# elf2ecoff can only handle 32bit image
|
|
hostprogs-y += ../elf2ecoff
|
|
|
|
ifdef CONFIG_32BIT
|
|
VMLINUZ = vmlinuz
|
|
else
|
|
VMLINUZ = vmlinuz.32
|
|
endif
|
|
|
|
quiet_cmd_32 = OBJCOPY $@
|
|
cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
|
|
vmlinuz.32: vmlinuz
|
|
$(call cmd,32)
|
|
|
|
quiet_cmd_ecoff = ECOFF $@
|
|
cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag)
|
|
vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ)
|
|
$(call cmd,ecoff)
|
|
|
|
OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
|
|
vmlinuz.bin: vmlinuz
|
|
$(call cmd,objcopy)
|
|
|
|
OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
|
|
vmlinuz.srec: vmlinuz
|
|
$(call cmd,objcopy)
|
|
|
|
uzImage.bin: vmlinuz.bin FORCE
|
|
$(call if_changed,uimage,none)
|
|
|
|
clean-files += $(objtree)/vmlinuz
|
|
clean-files += $(objtree)/vmlinuz.32
|
|
clean-files += $(objtree)/vmlinuz.ecoff
|
|
clean-files += $(objtree)/vmlinuz.bin
|
|
clean-files += $(objtree)/vmlinuz.srec
|