216 строки
8.0 KiB
Makefile
216 строки
8.0 KiB
Makefile
# Makefile for making ELF bootable images for booting on CHRP
|
|
# using Open Firmware.
|
|
#
|
|
# Geert Uytterhoeven September 1997
|
|
#
|
|
# Based on coffboot by Paul Mackerras
|
|
# Simplified for ppc64 by Todd Inglett
|
|
#
|
|
# NOTE: this code is built for 32 bit in ELF32 format even though
|
|
# it packages a 64 bit kernel. We do this to simplify the
|
|
# bootloader and increase compatibility with OpenFirmware.
|
|
#
|
|
# To this end we need to define BOOTCC, etc, as the tools
|
|
# needed to build the 32 bit image. These are normally HOSTCC,
|
|
# but may be a third compiler if, for example, you are cross
|
|
# compiling from an intel box. Once the 64bit ppc gcc is
|
|
# stable it will probably simply be a compiler switch to
|
|
# compile for 32bit mode.
|
|
# To make it easier to setup a cross compiler,
|
|
# CROSS32_COMPILE is setup as a prefix just like CROSS_COMPILE
|
|
# in the toplevel makefile.
|
|
|
|
|
|
HOSTCC := gcc
|
|
BOOTCFLAGS := $(HOSTCFLAGS) -fno-builtin -nostdinc -isystem \
|
|
$(shell $(CROSS32CC) -print-file-name=include) -fPIC
|
|
BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
|
|
OBJCOPYFLAGS := contents,alloc,load,readonly,data
|
|
OBJCOPY_COFF_ARGS := -O aixcoff-rs6000 --set-start 0x500000
|
|
OBJCOPY_MIB_ARGS := -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment
|
|
|
|
zlib := infblock.c infcodes.c inffast.c inflate.c inftrees.c infutil.c
|
|
zlibheader := infblock.h infcodes.h inffast.h inftrees.h infutil.h
|
|
zliblinuxheader := zlib.h zconf.h zutil.h
|
|
|
|
$(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader))
|
|
#$(addprefix $(obj)/,main.o): $(addprefix $(obj)/,zlib.h)
|
|
|
|
src-boot := crt0.S string.S prom.c stdio.c main.c div64.S
|
|
src-boot += $(zlib)
|
|
src-boot := $(addprefix $(obj)/, $(src-boot))
|
|
obj-boot := $(addsuffix .o, $(basename $(src-boot)))
|
|
|
|
BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj)
|
|
|
|
quiet_cmd_copy_zlib = COPY $@
|
|
cmd_copy_zlib = sed "s@__attribute_used__@@;s@<linux/\([^>]\+\).*@\"\1\"@" $< > $@
|
|
|
|
quiet_cmd_copy_zlibheader = COPY $@
|
|
cmd_copy_zlibheader = sed "s@<linux/\([^>]\+\).*@\"\1\"@" $< > $@
|
|
# stddef.h for NULL
|
|
quiet_cmd_copy_zliblinuxheader = COPY $@
|
|
cmd_copy_zliblinuxheader = sed "s@<linux/string.h>@\"string.h\"@;s@<linux/kernel.h>@<stddef.h>@;s@<linux/\([^>]\+\).*@\"\1\"@" $< > $@
|
|
|
|
$(addprefix $(obj)/,$(zlib)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
|
|
$(call cmd,copy_zlib)
|
|
|
|
$(addprefix $(obj)/,$(zlibheader)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
|
|
$(call cmd,copy_zlibheader)
|
|
|
|
$(addprefix $(obj)/,$(zliblinuxheader)): $(obj)/%: $(srctree)/include/linux/%
|
|
$(call cmd,copy_zliblinuxheader)
|
|
|
|
clean-files := $(zlib) $(zlibheader) $(zliblinuxheader)
|
|
|
|
|
|
quiet_cmd_bootcc = BOOTCC $@
|
|
cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
|
|
|
|
quiet_cmd_bootas = BOOTAS $@
|
|
cmd_bootas = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $<
|
|
|
|
quiet_cmd_bootld = BOOTLD $@
|
|
cmd_bootld = $(CROSS32LD) -T $(srctree)/$(src)/$(3) -o $@ $(2)
|
|
|
|
$(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c
|
|
$(call if_changed_dep,bootcc)
|
|
$(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S
|
|
$(call if_changed_dep,bootas)
|
|
|
|
#-----------------------------------------------------------
|
|
# ELF sections within the zImage bootloader/wrapper
|
|
#-----------------------------------------------------------
|
|
required := vmlinux.strip
|
|
initrd := initrd
|
|
|
|
obj-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.o, $(section)))
|
|
src-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.c, $(section)))
|
|
gz-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.gz, $(section)))
|
|
|
|
hostprogs-y := addnote addRamDisk hack-coff
|
|
|
|
targets += zImage.vmode zImage.initrd.vmode zImage zImage.initrd \
|
|
zImage.coff zImage.initrd.coff miboot.image miboot.initrd.image \
|
|
$(patsubst $(obj)/%,%, $(call obj-sec, $(required) $(initrd))) \
|
|
$(patsubst $(obj)/%,%, $(call src-sec, $(required) $(initrd))) \
|
|
$(patsubst $(obj)/%,%, $(call gz-sec, $(required) $(initrd))) \
|
|
vmlinux.initrd dummy.o
|
|
extra-y := initrd.o
|
|
|
|
quiet_cmd_ramdisk = RAMDISK $@
|
|
cmd_ramdisk = $(obj)/addRamDisk $(obj)/ramdisk.image.gz $< $@
|
|
|
|
quiet_cmd_stripvm = STRIP $@
|
|
cmd_stripvm = $(STRIP) -s -R .comment $< -o $@
|
|
|
|
vmlinux.strip: vmlinux
|
|
$(call if_changed,stripvm)
|
|
$(obj)/vmlinux.initrd: vmlinux.strip $(obj)/addRamDisk $(obj)/ramdisk.image.gz
|
|
$(call if_changed,ramdisk)
|
|
|
|
quiet_cmd_addsection = ADDSEC $@
|
|
cmd_addsection = $(CROSS32OBJCOPY) $@ \
|
|
--add-section=.kernel:$(strip $(patsubst $(obj)/kernel-%.o,%, $@))=$(patsubst %.o,%.gz, $@) \
|
|
--set-section-flags=.kernel:$(strip $(patsubst $(obj)/kernel-%.o,%, $@))=$(OBJCOPYFLAGS)
|
|
|
|
quiet_cmd_addnote = ADDNOTE $@
|
|
cmd_addnote = $(obj)/addnote $@
|
|
|
|
quiet_cmd_gen-miboot = GEN $@
|
|
cmd_gen-miboot = $(OBJCOPY) $(OBJCOPY_MIB_ARGS) \
|
|
--add-section=$1=$(word 2, $^) $< $@
|
|
|
|
quiet_cmd_gencoff = COFF $@
|
|
cmd_gencoff = $(OBJCOPY) $(OBJCOPY_COFF_ARGS) $@ && \
|
|
$(obj)/hack-coff $@
|
|
|
|
$(call gz-sec, $(required)): $(obj)/kernel-%.gz: %
|
|
$(call if_changed,gzip)
|
|
|
|
$(obj)/kernel-initrd.gz: $(obj)/ramdisk.image.gz
|
|
cp -f $(obj)/ramdisk.image.gz $@
|
|
|
|
$(call src-sec, $(required) $(initrd)): $(obj)/kernel-%.c: $(obj)/kernel-%.gz
|
|
@touch $@
|
|
|
|
$(call obj-sec, $(required) $(initrd)): $(obj)/kernel-%.o: $(obj)/kernel-%.c
|
|
$(call if_changed_dep,bootcc)
|
|
$(call cmd,addsection)
|
|
|
|
$(obj)/zImage.vmode $(obj)/zImage.coff: obj-boot += $(call obj-sec, $(required))
|
|
$(obj)/zImage.vmode: $(call obj-sec, $(required)) $(obj-boot) $(srctree)/$(src)/zImage.lds
|
|
$(call cmd,bootld,$(obj-boot),zImage.lds)
|
|
|
|
$(obj)/zImage.initrd.vmode $(obj)/zImage.initrd.coff: obj-boot += $(call obj-sec, $(required) $(initrd))
|
|
$(obj)/zImage.initrd.vmode: $(call obj-sec, $(required) $(initrd)) $(obj-boot) $(srctree)/$(src)/zImage.lds
|
|
$(call cmd,bootld,$(obj-boot),zImage.lds)
|
|
|
|
# For 32-bit powermacs, build the COFF and miboot images
|
|
# as well as the ELF images.
|
|
coffimage-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/zImage.coff
|
|
coffrdimg-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/zImage.initrd.coff
|
|
mibootimg-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/miboot.image
|
|
mibrdimg-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/miboot.initrd.image
|
|
|
|
$(obj)/zImage: $(obj)/zImage.vmode $(obj)/addnote $(coffimage-y-y) \
|
|
$(mibootimg-y-y)
|
|
@cp -f $< $@
|
|
$(call if_changed,addnote)
|
|
|
|
$(obj)/zImage.initrd: $(obj)/zImage.initrd.vmode $(obj)/addnote \
|
|
$(coffrdimg-y-y) $(mibrdimg-y-y)
|
|
@cp -f $< $@
|
|
$(call if_changed,addnote)
|
|
|
|
$(obj)/zImage.coff: $(call obj-sec, $(required)) $(obj-boot) \
|
|
$(srctree)/$(src)/zImage.coff.lds $(obj)/hack-coff
|
|
$(call cmd,bootld,$(obj-boot),zImage.coff.lds)
|
|
$(call cmd,gencoff)
|
|
|
|
$(obj)/zImage.initrd.coff: $(call obj-sec, $(required) $(initrd)) $(obj-boot) \
|
|
$(srctree)/$(src)/zImage.coff.lds $(obj)/hack-coff
|
|
$(call cmd,bootld,$(obj-boot),zImage.coff.lds)
|
|
$(call cmd,gencoff)
|
|
|
|
$(obj)/miboot.image: $(obj)/dummy.o $(obj)/vmlinux.gz
|
|
$(call cmd,gen-miboot,image)
|
|
|
|
$(obj)/miboot.initrd.image: $(obj)/miboot.image $(images)/ramdisk.image.gz
|
|
$(call cmd,gen-miboot,initrd)
|
|
|
|
#-----------------------------------------------------------
|
|
# build u-boot images
|
|
#-----------------------------------------------------------
|
|
quiet_cmd_mygzip = GZIP $@
|
|
cmd_mygzip = gzip -f -9 < $< > $@.$$$$ && mv $@.$$$$ $@
|
|
|
|
quiet_cmd_objbin = OBJCOPY $@
|
|
cmd_objbin = $(OBJCOPY) -O binary $< $@
|
|
|
|
quiet_cmd_uimage = UIMAGE $@
|
|
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A ppc -O linux -T kernel \
|
|
-C gzip -a 00000000 -e 00000000 -n 'Linux-$(KERNELRELEASE)' \
|
|
-d $< $@
|
|
|
|
MKIMAGE := $(srctree)/scripts/mkuboot.sh
|
|
targets += uImage
|
|
extra-y += vmlinux.bin vmlinux.gz
|
|
|
|
$(obj)/vmlinux.bin: vmlinux FORCE
|
|
$(call if_changed,objbin)
|
|
|
|
$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
|
|
$(call if_changed,mygzip)
|
|
|
|
$(obj)/uImage: $(obj)/vmlinux.gz
|
|
$(Q)rm -f $@
|
|
$(call cmd,uimage)
|
|
@echo -n ' Image: $@ '
|
|
@if [ -f $@ ]; then echo 'is ready' ; else echo 'not made'; fi
|
|
|
|
install: $(CONFIGURE) $(BOOTIMAGE)
|
|
sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" "$(BOOTIMAGE)"
|
|
|
|
clean-files += $(addprefix $(objtree)/, $(obj-boot) vmlinux.strip)
|