# 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.
+# needed to build the 32 bit image. That's normally the same
+# compiler for the rest of the kernel, with the -m32 flag added.
# To make it easier to setup a cross compiler,
# 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
+BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
+ -fno-strict-aliasing -Os -msoft-float -pipe \
+ -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \
+ -isystem $(shell $(CROSS32CC) -print-file-name=include)
BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
ifeq ($(call cc-option-yn, -fstack-protector),y)
BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj)
-$(obj)/44x.o: BOOTCFLAGS += -Wa,-mbooke
-$(obj)/ebony.o: BOOTCFLAGS += -Wa,-mbooke
+$(obj)/44x.o: BOOTCFLAGS += -mcpu=440
+$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
zlib := inffast.c inflate.c inftrees.c
zlibheader := inffast.h inffixed.h inflate.h inftrees.h infutil.h
src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \
ns16550.c serial.c simple_alloc.c div64.S util.S \
- gunzip_util.c elf_util.c $(zlib) devtree.c \
- 44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c
+ gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \
+ 44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c
src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \
- cuboot-ebony.c treeboot-ebony.c prpmc2800.c
+ cuboot-ebony.c treeboot-ebony.c prpmc2800.c \
+ ps3-head.S ps3-hvcall.S ps3.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
$(obj)/empty.c:
@touch $@
-$(obj)/zImage.lds $(obj)/zImage.coff.lds: $(obj)/%: $(srctree)/$(src)/%.S
+$(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds: $(obj)/%: $(srctree)/$(src)/%.S
@cp $< $@
clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) \
- empty.c zImage.coff.lds zImage.lds
+ empty.c zImage zImage.coff.lds zImage.ps3.lds zImage.lds
quiet_cmd_bootcc = BOOTCC $@
cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a)
extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \
- $(obj)/zImage.lds $(obj)/zImage.coff.lds
+ $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds
wrapper :=$(srctree)/$(src)/wrapper
wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \
image-$(CONFIG_PPC_CHRP) += zImage.chrp
image-$(CONFIG_PPC_EFIKA) += zImage.chrp
image-$(CONFIG_PPC_PMAC) += zImage.pmac
-image-$(CONFIG_PPC_HOLLY) += zImage.holly-elf
+image-$(CONFIG_PPC_HOLLY) += zImage.holly
image-$(CONFIG_PPC_PRPMC2800) += zImage.prpmc2800
+image-$(CONFIG_PPC_ISERIES) += zImage.iseries
image-$(CONFIG_DEFAULT_UIMAGE) += uImage
ifneq ($(CONFIG_DEVICE_TREE),"")
$(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz
-dts- := $(patsubst zImage%, zImage.dts%, $(image-n) $(image-))
-dts-y := $(patsubst zImage%, zImage.dts%, $(image-y))
-dts-y := $(filter-out $(image-y), $(dts-y))
-targets += $(image-y) $(dts-y)
-
-dts_initrd- := $(patsubst zImage%, zImage.dts_initrd%, $(image-n) $(image-))
-dts_initrd-y := $(patsubst zImage%, zImage.dts_initrd%, $(image-y))
-dts_initrd-y := $(filter-out $(image-y), $(dts_initrd-y))
-targets += $(image-y) $(dts_initrd-y)
-
-$(addprefix $(obj)/, $(dts_initrd-y)): $(obj)/ramdisk.image.gz
+# If CONFIG_WANT_DEVICE_TREE is set and CONFIG_DEVICE_TREE isn't an
+# empty string, define 'dts' to be path to the dts
+# CONFIG_DEVICE_TREE will have "" around it, make sure to strip them
+ifeq ($(CONFIG_WANT_DEVICE_TREE),y)
+ifneq ($(CONFIG_DEVICE_TREE),"")
+dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\
+ ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%)
+endif
+endif
# Don't put the ramdisk on the pattern rule; when its missing make will try
# the pattern rule with less dependencies that also matches (even with the
# hard dependency listed).
-$(obj)/zImage.dts_initrd.%: vmlinux $(wrapperbits) $(dts) $(obj)/ramdisk.image.gz
+$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) $(dts)
$(call if_changed,wrap,$*,$(dts),,$(obj)/ramdisk.image.gz)
-$(obj)/zImage.dts.%: vmlinux $(wrapperbits) $(dts)
+$(obj)/zImage.%: vmlinux $(wrapperbits) $(dts)
$(call if_changed,wrap,$*,$(dts))
-$(obj)/zImage.initrd.%: vmlinux $(wrapperbits)
- $(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz)
-
-$(obj)/zImage.%: vmlinux $(wrapperbits)
- $(call if_changed,wrap,$*)
-
-$(obj)/zImage.ps3: vmlinux
+# This cannot be in the root of $(src) as the zImage rule always adds a $(obj)
+# prefix
+$(obj)/vmlinux.strip: vmlinux
$(STRIP) -s -R .comment $< -o $@
-$(obj)/zImage.initrd.ps3: vmlinux
- @echo " WARNING zImage.initrd.ps3 not supported (yet)"
+$(obj)/zImage.iseries: vmlinux
+ $(STRIP) -s -R .comment $< -o $@
-$(obj)/zImage.holly-elf: vmlinux $(wrapperbits)
- $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,)
+$(obj)/zImage.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts
+ $(STRIP) -s -R .comment $< -o vmlinux.strip
+ $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,)
-$(obj)/zImage.initrd.holly-elf: vmlinux $(wrapperbits) $(obj)/ramdisk.image.gz
- $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,$(obj)/ramdisk.image.gz)
+$(obj)/zImage.initrd.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts $(obj)/ramdisk.image.gz
+ $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,$(obj)/ramdisk.image.gz)
$(obj)/uImage: vmlinux $(wrapperbits)
$(call if_changed,wrap,uboot)
-# CONFIG_DEVICE_TREE will have "" around it, make sure to strip them
-dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\
- ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%)
-
$(obj)/cuImage.%: vmlinux $(dts) $(wrapperbits)
$(call if_changed,wrap,cuboot-$*,$(dts))
$(obj)/treeImage.%: vmlinux $(dts) $(wrapperbits)
$(call if_changed,wrap,treeboot-$*,$(dts))
+# If there isn't a platform selected then just strip the vmlinux.
+ifeq (,$(image-y))
+image-y := vmlinux.strip
+endif
+
$(obj)/zImage: $(addprefix $(obj)/, $(image-y))
@rm -f $@; ln $< $@
$(obj)/zImage.initrd: $(addprefix $(obj)/, $(initrd-y))
@rm -f $@; ln $< $@
-$(obj)/zImage.dts: $(addprefix $(obj)/, $(dts-y))
- @rm -f $@; ln $< $@
-$(obj)/zImage.dts_initrd: $(addprefix $(obj)/, $(dts_initrd-y))
- @rm -f $@; ln $< $@
-
install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y))
sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $<
# anything not in $(targets)
-clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* \
- treeImage.* zImage.dts zImage.dts_initrd
+clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* treeImage.* \
+ otheros.bld
# clean up files cached by wrapper
clean-kernel := vmlinux.strip vmlinux.bin
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