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@@ -2,9 +2,21 @@
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# sparc/Makefile
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#
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# Makefile for the architecture dependent flags and dependencies on the
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-# Sparc.
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+# Sparc and sparc64.
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#
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-# Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
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+# Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
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+# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
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+
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+# We are not yet configured - so test on arch
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+ifeq ($(ARCH),sparc)
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+ KBUILD_DEFCONFIG := sparc32_defconfig
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+else
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+ KBUILD_DEFCONFIG := sparc64_defconfig
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+endif
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+
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+ifeq ($(CONFIG_SPARC32),y)
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+#####
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+# sparc32
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#
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#
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@@ -26,10 +38,48 @@ CPPFLAGS_vmlinux.lds += -m32
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# Actual linking is done with "make image".
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LDFLAGS_vmlinux = -r
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-head-y := arch/sparc/kernel/head.o arch/sparc/kernel/init_task.o
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+# Default target
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+all: zImage
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+
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+
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+else
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+#####
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+# sparc64
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+#
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+
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+CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
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+
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+# Undefine sparc when processing vmlinux.lds - it is used
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+# And teach CPP we are doing 64 bit builds (for this case)
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+CPPFLAGS_vmlinux.lds += -m64 -Usparc
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+LDFLAGS := -m elf64_sparc
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+export BITS := 64
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+
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+KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
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+ -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
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+ -Wa,--undeclared-regs
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+KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
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+KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
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+
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+ifeq ($(CONFIG_MCOUNT),y)
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+ KBUILD_CFLAGS += -pg
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+endif
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+
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+endif
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-core-y += arch/sparc/kernel/ arch/sparc/mm/ arch/sparc/math-emu/
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-libs-y += arch/sparc/prom/ arch/sparc/lib/
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+head-$(CONFIG_SPARC32) := arch/sparc/kernel/head.o
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+head-$(CONFIG_SPARC32) += arch/sparc/kernel/init_task.o
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+head-$(CONFIG_SPARC64) := arch/sparc64/kernel/head.o
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+head-$(CONFIG_SPARC64) += arch/sparc64/kernel/init_task.o
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+
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+core-$(CONFIG_SPARC32) += arch/sparc/kernel/
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+core-$(CONFIG_SPARC64) += arch/sparc64/kernel/
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+core-y += arch/sparc/mm/ arch/sparc/math-emu/
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+
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+libs-$(CONFIG_SPARC32) += arch/sparc/prom/
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+libs-$(CONFIG_SPARC32) += arch/sparc/lib/
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+libs-$(CONFIG_SPARC64) += arch/sparc64/prom/
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+libs-$(CONFIG_SPARC64) += arch/sparc64/lib/
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drivers-$(CONFIG_OPROFILE) += arch/sparc/oprofile/
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@@ -44,23 +94,29 @@ ifdef CONFIG_KALLSYMS
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export kallsyms.o := .tmp_kallsyms2.o
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endif
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-# Default target
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-all: zImage
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-
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-boot := arch/sparc/boot
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+boot-y := arch/sparc/boot
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+boot-$(CONFIG_SPARC64) := arch/sparc64/boot
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-image zImage tftpboot.img: vmlinux
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- $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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+image zImage tftpboot.img vmlinux.aout: vmlinux
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+ $(Q)$(MAKE) $(build)=$(boot-y) $(boot-y)/$@
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archclean:
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- $(Q)$(MAKE) $(clean)=$(boot)
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+ $(Q)$(MAKE) $(clean)=$(boot-y)
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# This is the image used for packaging
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-KBUILD_IMAGE := $(boot)/zImage
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+KBUILD_IMAGE := $(boot-y)/zImage
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# Don't use tabs in echo arguments.
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+ifeq ($(ARCH),sparc)
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define archhelp
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echo '* image - kernel image ($(boot)/image)'
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echo '* zImage - stripped kernel image ($(boot)/zImage)'
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echo ' tftpboot.img - image prepared for tftp'
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endef
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+else
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+define archhelp
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+ echo '* vmlinux - Standard sparc64 kernel'
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+ echo ' vmlinux.aout - a.out kernel for sparc64'
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+ echo ' tftpboot.img - image prepared for tftp'
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+endef
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+endif
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