PPC32: clean up the arch/ppc/boot Makefiles.

This removes Rules.make inclusions, makes make clean work properly,
removes EXTRA_TARGETS where not needed, and fixes a couple of compile
warnings in the boot wrappers where <linux/string.h> wasn't included.

arch/ppc/Kconfig

@@ -1314,6 +1314,17 @@ config BOOT_LOAD
 	depends on BOOT_LOAD_BOOL
 	default "0x00400000"
 
+# If we don't have a custom load, we define one here depending.
+config BOOT_LOAD
+	hex
+	depends on !BOOT_LOAD_BOOL && (40x || 8xx || 8260)
+	default "0x00400000"
+
+config BOOT_LOAD
+	hex
+	depends on !BOOT_LOAD_BOOL
+	default "0x00800000"
+
 endmenu
 
 source "drivers/mtd/Kconfig"

arch/ppc/Makefile

@@ -36,19 +36,13 @@ ifdef CONFIG_MORE_COMPILE_OPTIONS
   CFLAGS += $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
 endif
 
-ifdef CONFIG_4xx
-  HEAD := arch/ppc/kernel/head_4xx.o
-else
-  ifdef CONFIG_8xx
-    HEAD := arch/ppc/kernel/head_8xx.o
-  else
-    ifdef CONFIG_PPC_ISERIES
-      HEAD := arch/ppc/kernel/iSeries_head.o
-    else
-      HEAD := arch/ppc/kernel/head.o
-    endif
-  endif
-endif
+head-y				:= head.o
+head-$(CONFIG_PPC_ISERIES)	:= iSeries_head.o
+head-$(CONFIG_8xx)		:= head_8xx.o
+head-$(CONFIG_4xx)		:= head_4xx.o
+head-$(CONFIG_440)		:= head_44x.o
+
+HEAD := arch/ppc/kernel/$(head-y)
 
 core-y				+= arch/ppc/kernel/ arch/ppc/platforms/ \
 				   arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/
@@ -80,7 +74,7 @@ $(BOOT_TARGETS): vmlinux
 	cp -f arch/ppc/configs/$(@:config=defconfig) .config
 
 archclean:
-	$(MAKE) -f scripts/Makefile.clean obj=arch/ppc/boot
+	+$(MAKE) -f scripts/Makefile.clean obj=arch/ppc/boot
 
 archmrproper:
 

arch/ppc/boot/Makefile

@@ -10,19 +10,17 @@
 # modified by Cort (cort@cs.nmt.edu)
 #
 
-CFLAGS	+= -fno-builtin -D__BOOTER__ -I$(TOPDIR)/arch/$(ARCH)/boot/include
+CFLAGS	+= -fno-builtin -D__BOOTER__ -Iarch/$(ARCH)/boot/include
 
-AFLAGS	+= -D__BOOTER__
-OBJCOPY_ARGS = -O elf32-powerpc
+BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd
 
 bootdir-y			:= simple
 bootdir-$(CONFIG_ALL_PPC)	:= openfirmware prep
+subdir-y			:= lib common images
+subdir-$(CONFIG_ALL_PPC)	+= of1275
 
-# for cleaning...
-subdir-				:= images simple openfirmware prep \
-				   lib common of1275
-
-HOSTCFLAGS += -Iarch/$(ARCH)/boot/include
+# for cleaning
+subdir-				+= simple openfirmware prep
 
 tools-$(CONFIG_ALL_PPC)		:= addnote mknote hack-coff mkprep
 tools-$(CONFIG_PPLUS)		:= mkbugboot mkprep
@@ -39,15 +37,9 @@ all-tools := addnote mknote hack-coff mkprep mkbugboot mktree
 
 host-progs			:= $(addprefix utils/,$(tools-y))
 
-zImage zImage.initrd znetboot znetboot.initrd: $(addprefix $(obj)/,$(bootdir-y))
-
-.PHONY: FORCE
-
-$(obj)/simple $(obj)/openfirmware $(obj)/prep: $(obj)/lib $(obj)/common $(obj)/images
-$(obj)/openfirmware $(obj)/prep: $(obj)/of1275
+.PHONY: $(BOOT_TARGETS) $(bootdir-y)
 
-$(obj)/lib $(obj)/common $(obj)/of1275 $(obj)/images: FORCE
-	+@$(call descend,$@,)
+$(BOOT_TARGETS): $(bootdir-y)
 
-$(obj)/openfirmware $(obj)/prep $(obj)/simple: FORCE
-	+@$(call descend,$@,$(MAKECMDGOALS))
+$(bootdir-y): $(addprefix $(obj)/,$(subdir-y))
+	+$(call descend,$(obj)/$@,$(MAKECMDGOALS))

arch/ppc/boot/common/Makefile

@@ -15,5 +15,3 @@ obj-$(CONFIG_ALL_PPC)			+= mpc10x_memory.o
 obj-$(CONFIG_LOPEC)			+= mpc10x_memory.o
 obj-$(CONFIG_PAL4)			+= cpc700_memory.o
 obj-$(CONFIG_SERIAL_8250_CONSOLE)	+= ns16550.o
-
-include $(TOPDIR)/Rules.make

arch/ppc/boot/images/Makefile

@@ -10,6 +10,5 @@ $(obj)/vmlinux.gz: vmlinux
 	$(OBJCOPY) -O binary $< $(@:.gz=)
 	gzip $(GZIP_FLAGS) $(@:.gz=)
 
-clean:
-	rm -f $(obj)/sImage $(obj)/vmapus $(obj)/vmlinux* $(obj)/miboot* 
-	rm -f $(obj)/zImage* z$(obj)/vmlinux*
+# Files generated that shall be removed upon make clean
+clean-files	:= sImage vmapus vmlinux* miboot* zImage*

arch/ppc/boot/lib/Makefile

@@ -5,5 +5,3 @@
 L_TARGET := lib.a
 
 obj-y := zlib.o div64.o
-
-include $(TOPDIR)/Rules.make

arch/ppc/boot/of1275/Makefile

@@ -6,5 +6,3 @@ L_TARGET := lib.a
 
 obj-y := claim.o enter.o exit.o finddevice.o getprop.o ofinit.o	\
 	 ofstdio.o read.o release.o write.o
-
-include $(TOPDIR)/Rules.make

arch/ppc/boot/openfirmware/Makefile

@@ -10,13 +10,10 @@
 #	Merged 'chrp' and 'pmac' into 'openfirmware', and cleaned up the
 #	rules.
 
-EXTRA_TARGETS := start.o misc.o crt0.o coffcrt0.o coffmain.o chrpmain.o \
-		newworldmain.o common.o
+clean-files := note coffboot coffboot.initrd
 
 boot: zImage
 
-include $(TOPDIR)/Rules.make
-
 boot := arch/ppc/boot
 common := $(boot)/common
 utils := $(boot)/utils
@@ -38,8 +35,6 @@ LIBS = lib/lib.a $(bootlib)/lib.a $(of1275)/lib.a $(common)/lib.a
 
 ADDNOTE := $(utils)/addnote
 MKNOTE := $(utils)/mknote
-SIZE := $(utils)/size
-OFFSET := $(utils)/offset
 HACKCOFF := $(utils)/hack-coff
 
 ifdef CONFIG_SMP
@@ -109,12 +104,12 @@ $(obj)/coffboot.initrd: $(COFFOBJS) $(obj)/image-initrd.o $(LIBS)
 	$(LD) -o $@ $(COFF_LD_ARGS) $^
 	$(OBJCOPY) $@ $@ -R .comment
 
-$(images)/vmlinux.coff: $(obj)/coffboot
+$(images)/vmlinux.coff: $(obj)/coffboot $(HACKCOFF)
 	$(OBJCOPY) $(OBJCOPY_ARGS) $(obj)/coffboot $@
 	$(HACKCOFF) $@
 	ln -sf vmlinux.coff $(images)/zImage.pmac
 
-$(images)/vmlinux.initrd.coff: $(obj)/coffboot.initrd
+$(images)/vmlinux.initrd.coff: $(obj)/coffboot.initrd $(HACKCOFF)
 	$(OBJCOPY) $(OBJCOPY_ARGS) $(obj)/coffboot.initrd $@
 	$(HACKCOFF) $@
 	ln -sf vmlinux.initrd.coff $(images)/zImage.initrd.pmac
@@ -139,11 +134,11 @@ $(images)/zImage.initrd.chrp: $(CHRPOBJS) $(obj)/image-initrd.o $(LIBS)
 	$(LD) $(CHRP_LD_ARGS) -o $@ $^
 	$(OBJCOPY) $@ $@ -R .comment
 
-$(images)/zImage.chrp-rs6k: $(images)/zImage.chrp
+$(images)/zImage.chrp-rs6k: $(images)/zImage.chrp $(ADDNOTE)
 	cp $(images)/zImage.chrp $@
 	$(ADDNOTE) $@
 
-$(images)/zImage.initrd.chrp-rs6k: $(images)/zImage.initrd.chrp
+$(images)/zImage.initrd.chrp-rs6k: $(images)/zImage.initrd.chrp $(ADDNOTE)
 	cp $(images)/zImage.initrd.chrp $@
 	$(ADDNOTE) $@
 
@@ -152,6 +147,3 @@ zImage: $(images)/vmlinux.coff $(images)/vmlinux.elf-pmac \
 
 zImage.initrd: $(images)/vmlinux.initrd.coff $(images)/vmlinux.initrd.elf-pmac\
 		$(images)/zImage.initrd.chrp $(images)/miboot.initrd.image
-
-clean:
-	rm -f $(obj)/note $(obj)/image.o $(obj)/coffboot $(obj)/coffboot.initrd

arch/ppc/boot/prep/Makefile

@@ -27,10 +27,6 @@ LIBS 				= $(common)/lib.a $(bootlib)/lib.a
 boot-y				:= head.o misc.o
 boot-$(CONFIG_VGA_CONSOLE)	+= vreset.o kbd.o
 
-EXTRA_TARGETS			:= $(boot-y) ../simple/legacy.o
-
-include $(TOPDIR)/Rules.make
-
 boot := arch/ppc/boot
 common := $(boot)/common
 utils := $(boot)/utils
@@ -43,8 +39,6 @@ OBJS	:= $(addprefix $(obj)/,$(boot-y)) $(simple)/legacy.o
 
 # Tools
 MKPREP				:= $(utils)/mkprep
-SIZE				:= $(utils)/size
-OFFSET				:= $(utils)/offset
 
 # Extra include search dirs
 CFLAGS_kbd.o			+= -Idrivers/char
@@ -55,8 +49,8 @@ zImage.initrd: $(images)/zImage.initrd.prep
 $(obj)/dummy.o: $(common)/dummy.c
 	$(CC) -c -o $@ $(common)/dummy.c
 
-$(images)/zImage.prep: $(OBJS) $(LIBS) $(boot)/ld.script \
-		$(images)/vmlinux.gz $(obj)/dummy.o
+$(images)/zImage.prep: $(OBJS) $(LIBS) $(boot)/ld.script $(images)/vmlinux.gz \
+		$(obj)/dummy.o $(MKPREP)
 	$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
 		--add-section=.image=$(images)/vmlinux.gz \
 		--set-section-flags=.image=contents,alloc,load,readonly,data \
@@ -68,7 +62,7 @@ $(images)/zImage.prep: $(OBJS) $(LIBS) $(boot)/ld.script \
 	rm -f $(obj)/zImage
 
 $(images)/zImage.initrd.prep: $(OBJS) $(LIBS) $(boot)/ld.script \
-		$(images)/vmlinux.gz $(obj)/dummy.o
+		$(images)/vmlinux.gz $(obj)/dummy.o $(MKPREP)
 	$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
 		--add-section=.ramdisk=$(images)/ramdisk.image.gz \
 		--set-section-flags=.ramdisk=contents,alloc,load,readonly,data \

arch/ppc/boot/prep/misc.c

@@ -8,6 +8,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/string.h>
 #include <asm/residual.h>
 #include <linux/config.h>
 #include <linux/threads.h>

arch/ppc/boot/simple/Makefile

@@ -132,23 +132,9 @@ EXTRA_AFLAGS			:= -Wa,-m405
 EXTRA				:= rw4/rw4_init.o rw4/rw4_init_brd.o
 endif
 
-# Default linker args.  Link at 0x00800000 or 0x00400000 by default, but
-# allow it to be overridden.
-ifeq ($(CONFIG_BOOT_LOAD_BOOL),y)
-LD_ARGS				:= -T $(boot)/ld.script \
-					-Ttext $(CONFIG_BOOT_LOAD) -Bstatic
-else
+# Linker args.  This specifies where the image will be run at.
 LD_ARGS				= -T $(boot)/ld.script \
-					-Ttext 0x00800000 -Bstatic
-ifeq ($(CONFIG_8260)$(CONFIG_40x)$(CONFIG_8xx),y)
-LD_ARGS				:= -T $(boot)/ld.script -Ttext 0x00400000 \
-					-Bstatic
-endif
-ifeq ($(CONFIG_440),y)
-LD_ARGS				:= -T $(boot)/ld.script -Ttext 0x01000000 \
-					-Bstatic
-endif
-endif
+					-Ttext $(CONFIG_BOOT_LOAD) -Bstatic
 OBJCOPY_ARGS			:= -O elf32-powerpc
 
 # head.o and relocate.o must be at the start.
@@ -167,7 +153,6 @@ boot-$(CONFIG_8260)		+= m8260_tty.o
 boot-$(CONFIG_GT64260_CONSOLE)	+= gt64260_tty.o
 endif
 
-EXTRA_TARGETS			:= $(boot-y)
 LIBS				:= $(common)/lib.a $(bootlib)/lib.a
 
 OBJS				:= $(addprefix $(obj)/,$(boot-y))

arch/ppc/boot/simple/misc.c

@@ -21,6 +21,7 @@
 #include <linux/types.h>
 #include <linux/elf.h>
 #include <linux/config.h>
+#include <linux/string.h>
 
 #include <asm/page.h>
 #include <asm/processor.h>