vserver 1.9.5.x5

[linux-2.6.git] / arch / ppc / Makefile

diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile
index daf9fc0..e8b9392 100644 (file)
--- a/arch/ppc/Makefile
+++ b/arch/ppc/Makefile
@@ -13,23 +13,43 @@
 # 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
@@ -37,21 +57,23 @@ 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_OCP)          += arch/ppc/ocp/
+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
@@ -85,24 +107,33 @@ arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 include/asm-$(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) -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:
-       @echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build'
+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)
+