Merge branch 'master' of git.alsa-project.org:alsa-kernel into fix/hda

[safe/jmp/linux-2.6] / arch / powerpc / Makefile

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 59ae7d9..42dcd3f 100644 (file)
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -63,7 +63,9 @@ override CC   += -m$(CONFIG_WORD_SIZE)
 override AR    := GNUTARGET=elf$(CONFIG_WORD_SIZE)-powerpc $(AR)
 endif
 
-LDFLAGS_vmlinux        := -Bstatic
+LDFLAGS_vmlinux-yy := -Bstatic
+LDFLAGS_vmlinux-$(CONFIG_PPC64)$(CONFIG_RELOCATABLE) := -pie
+LDFLAGS_vmlinux        := $(LDFLAGS_vmlinux-yy)
 
 CFLAGS-$(CONFIG_PPC64) := -mminimal-toc -mtraceback=none  -mcall-aixdesc
 CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 -mmultiple
@@ -75,7 +77,7 @@ CPP           = $(CC) -E $(KBUILD_CFLAGS)
 CHECKFLAGS     += -m$(CONFIG_WORD_SIZE) -D__powerpc__ -D__powerpc$(CONFIG_WORD_SIZE)__
 
 ifeq ($(CONFIG_PPC64),y)
-GCC_BROKEN_VEC := $(shell if [ $(call cc-version) -lt 0400 ] ; then echo "y"; fi)
+GCC_BROKEN_VEC := $(call cc-ifversion, -lt, 0400, y)
 
 ifeq ($(CONFIG_POWER4_ONLY),y)
 ifeq ($(CONFIG_ALTIVEC),y)
@@ -102,12 +104,19 @@ endif
 KBUILD_CFLAGS += $(call cc-option,-mno-altivec)
 
 # No SPE instruction when building kernel
+# (We use all available options to help semi-broken compilers)
 KBUILD_CFLAGS += $(call cc-option,-mno-spe)
+KBUILD_CFLAGS += $(call cc-option,-mspe=no)
 
 # Enable unit-at-a-time mode when possible. It shrinks the
 # kernel considerably.
 KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
 
+# FIXME: the module load should be taught about the additional relocs
+# generated by this.
+# revert to pre-gcc-4.4 behaviour of .eh_frame
+KBUILD_CFLAGS  += $(call cc-option,-fno-dwarf2-cfi-asm)
+
 # Never use string load/store instructions as they are
 # often slow when they are implemented at all
 KBUILD_CFLAGS          += -mno-string
@@ -116,6 +125,11 @@ ifeq ($(CONFIG_6xx),y)
 KBUILD_CFLAGS          += -mcpu=powerpc
 endif
 
+# Work around a gcc code-gen bug with -fno-omit-frame-pointer.
+ifeq ($(CONFIG_FUNCTION_TRACER),y)
+KBUILD_CFLAGS          += -mno-sched-epilog
+endif
+
 cpu-as-$(CONFIG_4xx)           += -Wa,-m405
 cpu-as-$(CONFIG_6xx)           += -Wa,-maltivec
 cpu-as-$(CONFIG_POWER4)                += -Wa,-maltivec
@@ -133,13 +147,14 @@ head-$(CONFIG_FSL_BOOKE)  := arch/powerpc/kernel/head_fsl_booke.o
 
 head-$(CONFIG_PPC64)           += arch/powerpc/kernel/entry_64.o
 head-$(CONFIG_PPC_FPU)         += arch/powerpc/kernel/fpu.o
+head-$(CONFIG_ALTIVEC)         += arch/powerpc/kernel/vector.o
 
 core-y                         += arch/powerpc/kernel/ \
                                   arch/powerpc/mm/ \
                                   arch/powerpc/lib/ \
                                   arch/powerpc/sysdev/ \
-                                  arch/powerpc/platforms/
-core-$(CONFIG_MATH_EMULATION)  += arch/powerpc/math-emu/
+                                  arch/powerpc/platforms/ \
+                                  arch/powerpc/math-emu/
 core-$(CONFIG_XMON)            += arch/powerpc/xmon/
 core-$(CONFIG_KVM)             += arch/powerpc/kvm/
 
@@ -148,14 +163,23 @@ drivers-$(CONFIG_OPROFILE)        += arch/powerpc/oprofile/
 # Default to zImage, override when needed
 all: zImage
 
-CPPFLAGS_vmlinux.lds   := -Upowerpc
-
 BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.% cuImage.% simpleImage.%
 
 PHONY += $(BOOT_TARGETS)
 
 boot := arch/$(ARCH)/boot
 
+ifeq ($(CONFIG_RELOCATABLE),y)
+quiet_cmd_relocs_check = CALL    $<
+      cmd_relocs_check = perl $< "$(OBJDUMP)" "$(obj)/vmlinux"
+
+PHONY += relocs_check
+relocs_check: arch/powerpc/relocs_check.pl vmlinux
+       $(call cmd,relocs_check)
+
+zImage: relocs_check
+endif
+
 $(BOOT_TARGETS): vmlinux
        $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
 
@@ -163,12 +187,25 @@ bootwrapper_install %.dtb:
        $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
 
 define archhelp
-  @echo '* zImage          - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
+  @echo '* zImage          - Build default images selected by kernel config'
+  @echo '  zImage.*        - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
+  @echo '  uImage          - U-Boot native image format'
+  @echo '  cuImage.<dt>    - Backwards compatible U-Boot image for older'
+  @echo '                    versions which do not support device trees'
+  @echo '  dtbImage.<dt>   - zImage with an embedded device tree blob'
+  @echo '  simpleImage.<dt> - Firmware independent image.'
+  @echo '  treeImage.<dt>  - Support for older IBM 4xx firmware (not U-Boot)'
   @echo '  install         - Install kernel using'
-  @echo '                    (your) ~/bin/installkernel or'
-  @echo '                    (distribution) /sbin/installkernel or'
+  @echo '                    (your) ~/bin/$(INSTALLKERNEL) or'
+  @echo '                    (distribution) /sbin/$(INSTALLKERNEL) or'
   @echo '                    install to $$(INSTALL_PATH) and run lilo'
   @echo '  *_defconfig     - Select default config from arch/$(ARCH)/configs'
+  @echo ''
+  @echo '  Targets with <dt> embed a device tree blob inside the image'
+  @echo '  These targets support board with firmware that does not'
+  @echo '  support passing a device tree directly.  Replace <dt> with the'
+  @echo '  name of a dts file from the arch/$(ARCH)/boot/dts/ directory'
+  @echo '  (minus the .dts extension).'
 endef
 
 install: