1 files changed, 91 insertions, 133 deletions

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index e73774136b55..c383d56bbe18 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -20,33 +20,34 @@
 #       CROSS32_COMPILE is setup as a prefix just like CROSS_COMPILE
 #       in the toplevel makefile.
 
+all: $(obj)/zImage
 
 HOSTCC          := gcc
 BOOTCFLAGS      := $(HOSTCFLAGS) -fno-builtin -nostdinc -isystem \
                    $(shell $(CROSS32CC) -print-file-name=include) -fPIC
 BOOTAFLAGS      := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
-OBJCOPYFLAGS    := contents,alloc,load,readonly,data
-OBJCOPY_COFF_ARGS := -O aixcoff-rs6000 --set-start 0x500000
-OBJCOPY_MIB_ARGS  := -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment
+
+ifeq ($(call cc-option-yn, -fstack-protector),y)
+BOOTCFLAGS      += -fno-stack-protector
+endif
+
+BOOTCFLAGS      += -I$(obj) -I$(srctree)/$(obj)
 
 zlib       := inffast.c inflate.c inftrees.c
 zlibheader := inffast.h inffixed.h inflate.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 $(obj)/,zlib.h)
+$(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) \
+                $(addprefix $(obj)/,$(zlibheader))
+
+src-wlib := string.S stdio.c main.c div64.S $(zlib)
+src-plat := of.c
+src-boot := crt0.S $(src-wlib) $(src-plat) empty.c
 
-src-boot-$(CONFIG_PPC_MULTIPLATFORM) := of.c
-src-boot := crt0.S string.S stdio.c main.c div64.S $(src-boot-y)
-src-boot += $(zlib)
 src-boot := $(addprefix $(obj)/, $(src-boot))
 obj-boot := $(addsuffix .o, $(basename $(src-boot)))
-
-ifeq ($(call cc-option-yn, -fstack-protector),y)
-BOOTCFLAGS      += -fno-stack-protector
-endif
-
-BOOTCFLAGS      += -I$(obj) -I$(srctree)/$(obj)
+obj-wlib := $(addsuffix .o, $(basename $(addprefix $(obj)/, $(src-wlib))))
+obj-plat := $(addsuffix .o, $(basename $(addprefix $(obj)/, $(src-plat))))
 
 quiet_cmd_copy_zlib = COPY    $@
       cmd_copy_zlib = sed "s@__attribute_used__@@;s@<linux/\([^>]\+\).*@\"\1\"@" $< > $@
@@ -66,8 +67,14 @@ $(addprefix $(obj)/,$(zlibheader)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
 $(addprefix $(obj)/,$(zliblinuxheader)): $(obj)/%: $(srctree)/include/linux/%
         $(call cmd,copy_zliblinuxheader)
 
-clean-files := $(zlib) $(zlibheader) $(zliblinuxheader)
+$(obj)/empty.c:
+        @touch $@
+
+$(obj)/zImage.lds $(obj)/zImage.coff.lds: $(obj)/%: $(srctree)/$(src)/%.S
+        @cp $< $@
 
+clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) \
+                $(obj)/empty.c
 
 quiet_cmd_bootcc = BOOTCC  $@
       cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
@@ -75,146 +82,97 @@ quiet_cmd_bootcc = BOOTCC  $@
 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)
+quiet_cmd_bootar = BOOTAR  $@
+      cmd_bootar = $(CROSS32AR) -cr $@.$$$$ $^; mv $@.$$$$ $@
 
 $(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)/wrapper.a: $(obj-wlib)
+        $(call cmd,bootar)
 
-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
 
-hostprogs-y             := addnote addRamDisk hack-coff
+extra-y         := $(obj)/crt0.o $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \
+                   $(obj)/zImage.lds $(obj)/zImage.coff.lds
 
-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) $(initrd))) \
-           vmlinux.initrd dummy.o
-extra-y                 := initrd.o
+wrapper         :=$(srctree)/$(src)/wrapper
+wrapperbits     := $(extra-y) $(addprefix $(obj)/,addnote hack-coff)
 
-quiet_cmd_ramdisk = RAMDISK $@
-      cmd_ramdisk = $(obj)/addRamDisk $(obj)/ramdisk.image.gz $< $@
+#############
+# Bits for building various flavours of zImage
 
-quiet_cmd_stripvm = STRIP   $@
-      cmd_stripvm = $(STRIP) -s -R .comment $< -o $@
+ifneq ($(CROSS32_COMPILE),)
+CROSSWRAP := -C $(CROSS32_COMPILE)
+else
+ifneq ($(CROSS_COMPILE),)
+CROSSWRAP := -C $(CROSS_COMPILE)
+endif
+endif
 
-vmlinux.strip: vmlinux
-        $(call if_changed,stripvm)
-$(obj)/vmlinux.initrd: vmlinux.strip $(obj)/addRamDisk $(obj)/ramdisk.image.gz
-        $(call if_changed,ramdisk)
+quiet_cmd_wrap  = WRAP    $@
+      cmd_wrap  =$(wrapper) -c -o $@ -p $2 $(CROSSWRAP) vmlinux
+quiet_cmd_wrap_initrd = WRAP    $@
+      cmd_wrap_initrd =$(wrapper) -c -o $@ -p $2 $(CROSSWRAP) \
+                                -i $(obj)/ramdisk.image.gz vmlinux
 
-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)
+$(obj)/zImage.chrp: vmlinux $(wrapperbits)
+        $(call cmd,wrap,chrp)
 
-quiet_cmd_addnote = ADDNOTE $@
-      cmd_addnote = $(obj)/addnote $@
+$(obj)/zImage.initrd.chrp: vmlinux $(wrapperbits)
+        $(call cmd,wrap_initrd,chrp)
 
-quiet_cmd_gen-miboot = GEN     $@
-      cmd_gen-miboot = $(OBJCOPY) $(OBJCOPY_MIB_ARGS) \
-                       --add-section=$1=$(word 2, $^) $< $@
+$(obj)/zImage.pseries:  vmlinux $(wrapperbits)
+        $(call cmd,wrap,pseries)
 
-quiet_cmd_gencoff = COFF    $@
-      cmd_gencoff = $(OBJCOPY) $(OBJCOPY_COFF_ARGS) $@ && \
-                    $(obj)/hack-coff $@
+$(obj)/zImage.initrd.pseries: vmlinux $(wrapperbits)
+        $(call cmd,wrap_initrd,pseries)
 
-$(call gz-sec, $(required)): $(obj)/kernel-%.gz: %
-        $(call if_changed,gzip)
+$(obj)/zImage.pmac: vmlinux $(wrapperbits)
+        $(call cmd,wrap,pmac)
 
-$(obj)/kernel-initrd.gz: $(obj)/ramdisk.image.gz
-        cp -f $(obj)/ramdisk.image.gz $@
+$(obj)/zImage.initrd.pmac: vmlinux $(wrapperbits)
+        $(call cmd,wrap_initrd,pmac)
 
-$(call src-sec, $(required) $(initrd)): $(obj)/kernel-%.c: $(obj)/kernel-%.gz
-        @touch $@
+$(obj)/zImage.coff: vmlinux $(wrapperbits)
+        $(call cmd,wrap,pmaccoff)
 
-$(call obj-sec, $(required) $(initrd)): $(obj)/kernel-%.o: $(obj)/kernel-%.c
-        $(call if_changed_dep,bootcc)
-        $(call cmd,addsection)
+$(obj)/zImage.initrd.coff: vmlinux $(wrapperbits)
+        $(call cmd,wrap_initrd,pmaccoff)
+
+$(obj)/zImage.miboot: vmlinux $(wrapperbits)
+        $(call cmd,wrap,miboot)
 
-$(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.miboot: vmlinux $(wrapperbits)
+        $(call cmd,wrap_initrd,miboot)
 
-$(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)
+$(obj)/uImage: vmlinux $(wrapperbits)
+        $(call cmd,wrap,uboot)
+
+image-$(CONFIG_PPC_PSERIES)     += zImage.pseries
+image-$(CONFIG_PPC_MAPLE)       += zImage.pseries
+image-$(CONFIG_PPC_CELL)        += zImage.pseries
+image-$(CONFIG_PPC_CHRP)        += zImage.chrp
+image-$(CONFIG_PPC_PMAC)        += zImage.pmac
+image-$(CONFIG_DEFAULT_UIMAGE)  += uImage
 
 # 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)/, $(obj-boot) vmlinux.strip)
+ifeq ($(CONFIG_PPC32),y)
+image-$(CONFIG_PPC_PMAC)        += zImage.coff zImage.miboot
+endif
+
+initrd-y := $(patsubst zImage%, zImage.initrd%, $(image-y))
+
+$(obj)/zImage:          $(addprefix $(obj)/, $(image-y))
+        @rm -f $@; ln $< $@
+$(obj)/zImage.initrd:   $(addprefix $(obj)/, $(initrd-y))
+        @rm -f $@; ln $< $@
+
+install: $(CONFIGURE) $(image-y)
+        sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $<
+
+clean-files += $(addprefix $(objtree)/, $(obj-boot) vmlinux.strip.gz)
+clean-files += $(addprefix $(objtree)/, $(obj-boot) vmlinux.bin.gz)