# This must match PAGE_OFFSET in include/asm-ppc/page.h.
KERNELLOAD := $(CONFIG_KERNEL_START)
+HAS_BIARCH := $(call cc-option-yn, -m32)
+ifeq ($(HAS_BIARCH),y)
+AS := $(AS) -a32
+LD := $(LD) -m elf32ppc
+CC := $(CC) -m32
+endif
+
LDFLAGS_vmlinux := -Ttext $(KERNELLOAD) -Bstatic
CPPFLAGS += -Iarch/$(ARCH)
AFLAGS += -Iarch/$(ARCH)
-cflags-y += -Iarch/$(ARCH) -msoft-float -pipe \
- -ffixed-r2 -Wno-uninitialized -mmultiple -mstring
+CFLAGS += -Iarch/$(ARCH) -msoft-float -pipe \
+ -ffixed-r2 -mmultiple
CPP = $(CC) -E $(CFLAGS)
-cflags-$(CONFIG_4xx) += -Wa,-m405
-cflags-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge
+CHECKFLAGS += -D__powerpc__
+
+ifndef CONFIG_E500
+CFLAGS += -mstring
+endif
-CFLAGS += $(cflags-y)
+cpu-as-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge
+cpu-as-$(CONFIG_4xx) += -Wa,-m405
+cpu-as-$(CONFIG_6xx) += -Wa,-maltivec
+cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec
+cpu-as-$(CONFIG_E500) += -Wa,-me500
+AFLAGS += $(cpu-as-y)
+CFLAGS += $(cpu-as-y)
+
+# Default to the common case.
+KBUILD_DEFCONFIG := common_defconfig
head-y := arch/ppc/kernel/head.o
head-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o
head-$(CONFIG_4xx) := arch/ppc/kernel/head_4xx.o
head-$(CONFIG_44x) := arch/ppc/kernel/head_44x.o
+head-$(CONFIG_E500) := arch/ppc/kernel/head_e500.o
head-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o
head-$(CONFIG_POWER4) += arch/ppc/kernel/idle_power4.o
core-y += arch/ppc/kernel/ arch/ppc/platforms/ \
arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/
core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/
+core-$(CONFIG_85xx) += arch/ppc/platforms/85xx/
core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/
core-$(CONFIG_XMON) += arch/ppc/xmon/
core-$(CONFIG_APUS) += arch/ppc/amiga/
drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/
drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/
-drivers-$(CONFIG_8260) += arch/ppc/8260_io/
+drivers-$(CONFIG_CPM2) += arch/ppc/8260_io/
+
+drivers-$(CONFIG_OPROFILE) += arch/ppc/oprofile/
BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm
.PHONY: $(BOOT_TARGETS)
-all: zImage
+all: uImage zImage
-AFLAGS_vmlinux.lds.o := -Upowerpc
+CPPFLAGS_vmlinux.lds := -Upowerpc
# All the instructions talk about "make bzImage".
bzImage: zImage
include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
$(call filechk,gen-asm-offsets)
-ifdef CONFIG_6xx
-# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later
-NEW_AS := $(shell echo dssall | $(AS) -many -o /dev/null >/dev/null 2>&1 ; echo $$?)
-GOODVER := 2.12.1
-else
-NEW_AS := 0
-endif
+# Use the file '.tmp_gas_check' for binutils tests, as gas won't output
+# to stdout and these checks are run even on install targets.
+TOUT := .tmp_gas_check
+# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec
+# instructions.
+AS_ALTIVEC := $(shell echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; echo $$?)
+# gcc-3.4 and binutils-2.14 are a fatal combination.
+GCC_VERSION := $(call cc-version)
+BAD_GCC_AS := $(shell echo mftb 5 | $(AS) -mppc -many -o $(TOUT) >/dev/null 2>&1 && echo 0 || echo 1)
-ifneq ($(NEW_AS),0)
checkbin:
+ifeq ($(GCC_VERSION)$(BAD_GCC_AS),03041)
+ @echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '
+ @echo 'correctly with gcc-3.4 and your version of binutils.'
+ @echo '*** Please upgrade your binutils or downgrade your gcc'
+ @false
+endif
+ifneq ($(AS_ALTIVEC),0)
+ echo $(AS_ALTIVEC)
@echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '
@echo 'correctly with old versions of binutils.'
- @echo '*** Please upgrade your binutils to ${GOODVER} or newer'
+ @echo '*** Please upgrade your binutils to 2.12.1 or newer'
@false
-else
-checkbin:
- @true
endif
+ @true
CLEAN_FILES += include/asm-$(ARCH)/offsets.h \
- arch/$(ARCH)/kernel/asm-offsets.s
+ arch/$(ARCH)/kernel/asm-offsets.s \
+ $(TOUT)
+