2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: GPL-2.0
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#
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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 and sparc64.
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#
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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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# We are not yet configured - so test on arch
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ifeq ($(ARCH),sparc64)
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KBUILD_DEFCONFIG := sparc64_defconfig
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else
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KBUILD_DEFCONFIG := sparc32_defconfig
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endif
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ifeq ($(CONFIG_SPARC32),y)
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#####
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# sparc32
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#
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CHECKFLAGS += -D__sparc__
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KBUILD_LDFLAGS := -m elf32_sparc
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export BITS := 32
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UTS_MACHINE := sparc
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# We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
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# versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
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# give -mcpu=v8. This silently worked with older bintutils versions but
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# does not any more.
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KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
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KBUILD_CFLAGS += -Wa,-Av8
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KBUILD_AFLAGS += -m32 -Wa,-Av8
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else
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#####
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# sparc64
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#
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CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__
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KBUILD_LDFLAGS := -m elf64_sparc
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export BITS := 64
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UTS_MACHINE := sparc64
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KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
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KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
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KBUILD_CFLAGS += -Wa,--undeclared-regs
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KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
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KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
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ifeq ($(CONFIG_MCOUNT),y)
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KBUILD_CFLAGS += -pg
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endif
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endif
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libs-y += arch/sparc/prom/
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libs-y += arch/sparc/lib/
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drivers-$(CONFIG_PM) += arch/sparc/power/
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2023-10-24 12:59:35 +02:00
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drivers-$(CONFIG_FB) += arch/sparc/video/
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2023-08-30 17:31:07 +02:00
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boot := arch/sparc/boot
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# Default target
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all: zImage
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image zImage uImage tftpboot.img vmlinux.aout: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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install:
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$(call cmd,install)
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archheaders:
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$(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
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PHONY += vdso_install
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vdso_install:
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$(Q)$(MAKE) $(build)=arch/sparc/vdso $@
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# This is the image used for packaging
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KBUILD_IMAGE := $(boot)/zImage
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# Don't use tabs in echo arguments.
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define archhelp
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2023-10-24 12:59:35 +02:00
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echo '* vmlinux - standard SPARC kernel'
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echo ' image - kernel image ($(boot)/image)'
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echo '* zImage - stripped/compressed kernel image ($(boot)/zImage)'
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2023-08-30 17:31:07 +02:00
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echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
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2023-10-24 12:59:35 +02:00
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echo ' vmlinux.aout - a.out kernel for SPARC64'
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2023-08-30 17:31:07 +02:00
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echo ' tftpboot.img - image prepared for tftp'
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endef
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