X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fpowerpc%2FMakefile;h=72d17f50e54fa7befc6b920fb781d393dd04a98a;hb=f72b728bf100f276628e378e1fe6c6acd5d09401;hp=e2ec4a91ccefee1b68b22a4b2c834ebc578983f7;hpb=1993cbf4ae7d30f9a417e143c1344466f2e2ae2e;p=safe%2Fjmp%2Flinux-2.6

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index e2ec4a9..72d17f5 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -18,22 +18,16 @@ HAS_BIARCH	:= $(call cc-option-yn, -m32)
 CROSS32_COMPILE ?=
 
 CROSS32CC		:= $(CROSS32_COMPILE)gcc
-CROSS32AS		:= $(CROSS32_COMPILE)as
-CROSS32LD		:= $(CROSS32_COMPILE)ld
 CROSS32AR		:= $(CROSS32_COMPILE)ar
-CROSS32OBJCOPY		:= $(CROSS32_COMPILE)objcopy
 
 ifeq ($(HAS_BIARCH),y)
 ifeq ($(CROSS32_COMPILE),)
 CROSS32CC	:= $(CC) -m32
-CROSS32AS	:= $(AS) -a32
-CROSS32LD	:= $(LD) -m elf32ppc
-CROSS32OBJCOPY	:= $(OBJCOPY)
 CROSS32AR	:= GNUTARGET=elf32-powerpc $(AR)
 endif
 endif
 
-export CROSS32CC CROSS32AS CROSS32LD CROSS32AR CROSS32OBJCOPY
+export CROSS32CC CROSS32AR
 
 ifeq ($(CROSS_COMPILE),)
 KBUILD_DEFCONFIG := $(shell uname -m)_defconfig
@@ -69,7 +63,9 @@ override CC	+= -m$(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
@@ -96,6 +92,8 @@ endif
 else
 	KBUILD_CFLAGS += $(call cc-option,-mtune=power4)
 endif
+else
+LDFLAGS_MODULE	+= arch/powerpc/lib/crtsavres.o
 endif
 
 ifeq ($(CONFIG_TUNE_CELL),y)
@@ -106,7 +104,9 @@ 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.
@@ -120,6 +120,11 @@ 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
@@ -145,6 +150,7 @@ core-y				+= arch/powerpc/kernel/ \
 				   arch/powerpc/platforms/
 core-$(CONFIG_MATH_EMULATION)	+= arch/powerpc/math-emu/
 core-$(CONFIG_XMON)		+= arch/powerpc/xmon/
+core-$(CONFIG_KVM) 		+= arch/powerpc/kvm/
 
 drivers-$(CONFIG_OPROFILE)	+= arch/powerpc/oprofile/
 
@@ -153,7 +159,7 @@ all: zImage
 
 CPPFLAGS_vmlinux.lds	:= -Upowerpc
 
-BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.% cuImage.%
+BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.% cuImage.% simpleImage.%
 
 PHONY += $(BOOT_TARGETS)
 
@@ -166,12 +172,25 @@ 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 '                    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: