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-rw-r--r--arch/ppc64/Makefile122
1 files changed, 122 insertions, 0 deletions
diff --git a/arch/ppc64/Makefile b/arch/ppc64/Makefile
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index 000000000000..d33e20bcc52f
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@@ -0,0 +1,122 @@
+# This file is included by the global makefile so that you can add your own
+# architecture-specific flags and dependencies. Remember to do have actions
+# for "archclean" and "archdep" for cleaning up and making dependencies for
+# this architecture
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 1994 by Linus Torvalds
+# Changes for PPC by Gary Thomas
+# Rewritten by Cort Dougan and Paul Mackerras
+# Adjusted for PPC64 by Tom Gall
+#
+
+KERNELLOAD := 0xc000000000000000
+
+# Set default 32 bits cross compilers for vdso and boot wrapper
+CROSS32_COMPILE ?=
+
+CROSS32CC := $(CROSS32_COMPILE)gcc
+CROSS32AS := $(CROSS32_COMPILE)as
+CROSS32LD := $(CROSS32_COMPILE)ld
+CROSS32OBJCOPY := $(CROSS32_COMPILE)objcopy
+
+# If we have a biarch compiler, use it for 32 bits cross compile if
+# CROSS32_COMPILE wasn't explicitely defined, and add proper explicit
+# target type to target compilers
+
+HAS_BIARCH := $(call cc-option-yn, -m64)
+ifeq ($(HAS_BIARCH),y)
+ifeq ($(CROSS32_COMPILE),)
+CROSS32CC := $(CC) -m32
+CROSS32AS := $(AS) -a32
+CROSS32LD := $(LD) -m elf32ppc
+CROSS32OBJCOPY := $(OBJCOPY)
+endif
+AS := $(AS) -a64
+LD := $(LD) -m elf64ppc
+CC := $(CC) -m64
+endif
+
+export CROSS32CC CROSS32AS CROSS32LD CROSS32OBJCOPY
+
+new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)
+
+ifeq ($(new_nm),y)
+NM := $(NM) --synthetic
+
+endif
+
+CHECKFLAGS += -m64 -D__powerpc__
+
+LDFLAGS := -m elf64ppc
+LDFLAGS_vmlinux := -Bstatic -e $(KERNELLOAD) -Ttext $(KERNELLOAD)
+CFLAGS += -msoft-float -pipe -mminimal-toc -mtraceback=none \
+ -mcall-aixdesc
+
+ifeq ($(CONFIG_POWER4_ONLY),y)
+ifeq ($(CONFIG_ALTIVEC),y)
+ CFLAGS += $(call cc-option,-mcpu=970)
+else
+ CFLAGS += $(call cc-option,-mcpu=power4)
+endif
+else
+ CFLAGS += $(call cc-option,-mtune=power4)
+endif
+
+# Enable unit-at-a-time mode when possible. It shrinks the
+# kernel considerably.
+CFLAGS += $(call cc-option,-funit-at-a-time)
+
+head-y := arch/ppc64/kernel/head.o
+
+libs-y += arch/ppc64/lib/
+core-y += arch/ppc64/kernel/
+core-y += arch/ppc64/mm/
+core-$(CONFIG_XMON) += arch/ppc64/xmon/
+drivers-$(CONFIG_OPROFILE) += arch/ppc64/oprofile/
+
+boot := arch/ppc64/boot
+
+boottarget-$(CONFIG_PPC_PSERIES) := zImage zImage.initrd
+boottarget-$(CONFIG_PPC_MAPLE) := zImage zImage.initrd
+boottarget-$(CONFIG_PPC_ISERIES) := vmlinux.sminitrd vmlinux.initrd vmlinux.sm
+$(boottarget-y): vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+
+bootimage-$(CONFIG_PPC_PSERIES) := $(boot)/zImage
+bootimage-$(CONFIG_PPC_PMAC) := vmlinux
+bootimage-$(CONFIG_PPC_MAPLE) := $(boot)/zImage
+bootimage-$(CONFIG_PPC_ISERIES) := vmlinux
+BOOTIMAGE := $(bootimage-y)
+install: vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
+
+defaultimage-$(CONFIG_PPC_PSERIES) := zImage
+defaultimage-$(CONFIG_PPC_PMAC) := vmlinux
+defaultimage-$(CONFIG_PPC_MAPLE) := zImage
+defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux
+KBUILD_IMAGE := $(defaultimage-y)
+all: $(KBUILD_IMAGE)
+
+archclean:
+ $(Q)$(MAKE) $(clean)=$(boot)
+
+prepare: include/asm-ppc64/offsets.h
+
+arch/ppc64/kernel/asm-offsets.s: include/asm include/linux/version.h \
+ include/config/MARKER
+
+include/asm-ppc64/offsets.h: arch/ppc64/kernel/asm-offsets.s
+ $(call filechk,gen-asm-offsets)
+
+define archhelp
+ echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
+ echo ' zImage.initrd- Compressed kernel image with initrd attached,'
+ echo ' sourced from arch/$(ARCH)/boot/ramdisk.image.gz'
+ echo ' (arch/$(ARCH)/boot/zImage.initrd)'
+endef
+
+CLEAN_FILES += include/asm-ppc64/offsets.h
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