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83 lines
2.3 KiB
83 lines
2.3 KiB
# $Id: Makefile,v 1.52 2002/02/09 19:49:31 davem Exp $
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# sparc64/Makefile
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#
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# Makefile for the architecture dependent flags and dependencies on the
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# 64-bit Sparc.
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#
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# Copyright (C) 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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CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -m64
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CPPFLAGS_vmlinux.lds += -Usparc
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CC := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo $(CC); else echo sparc64-linux-gcc; fi )
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NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow)
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NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
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UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
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INLINE_LIMIT := $(call cc-option-yn, -m64 -finline-limit=100000)
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export NEW_GCC
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ifneq ($(NEW_GAS),y)
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AS = sparc64-linux-as
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LD = sparc64-linux-ld
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NM = sparc64-linux-nm
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AR = sparc64-linux-ar
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RANLIB = sparc64-linux-ranlib
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else
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AS := $(AS) -64
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LDFLAGS := -m elf64_sparc
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endif
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ifneq ($(UNDECLARED_REGS),y)
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CC_UNDECL =
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else
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CC_UNDECL = -Wa,--undeclared-regs
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AS := $(AS) --undeclared-regs
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endif
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ifneq ($(NEW_GCC),y)
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CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
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-ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
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else
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CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
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-ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
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$(CC_UNDECL)
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AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
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endif
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ifeq ($(INLINE_LIMIT),y)
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CFLAGS := $(CFLAGS) -finline-limit=100000
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endif
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ifeq ($(CONFIG_MCOUNT),y)
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CFLAGS := $(CFLAGS) -pg
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endif
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head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
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core-y += arch/sparc64/kernel/ arch/sparc64/mm/
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core-$(CONFIG_SOLARIS_EMUL) += arch/sparc64/solaris/
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core-y += arch/sparc64/math-emu/
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libs-y += arch/sparc64/prom/ arch/sparc64/lib/
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# FIXME: is drivers- right?
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drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
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boot := arch/sparc64/boot
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image tftpboot.img vmlinux.aout: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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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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