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# $Id: Makefile,v 1.52 2002/02/09 19:49:31 davem Exp $
# sparc64/Makefile
#
# Makefile for the architecture dependent flags and dependencies on the
# 64-bit Sparc.
#
# Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
#
CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -m64
CPPFLAGS_vmlinux.lds += -Usparc
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 )
NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow)
NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
ifneq ($(NEW_GAS),y)
AS = sparc64-linux-as
LD = sparc64-linux-ld
NM = sparc64-linux-nm
AR = sparc64-linux-ar
RANLIB = sparc64-linux-ranlib
else
AS := $(AS) -64
LDFLAGS := -m elf64_sparc
endif
ifneq ($(UNDECLARED_REGS),y)
CC_UNDECL =
else
CC_UNDECL = -Wa,--undeclared-regs
AS := $(AS) --undeclared-regs
endif
ifneq ($(NEW_GCC),y)
KBUILD_CFLAGS += -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
-ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
else
KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
-ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
$(CC_UNDECL)
KBUILD_AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
endif
ifeq ($(CONFIG_MCOUNT),y)
KBUILD_CFLAGS += -pg
endif
head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
core-y += arch/sparc64/kernel/ arch/sparc64/mm/
core-$(CONFIG_SOLARIS_EMUL) += arch/sparc64/solaris/
core-y += arch/sparc64/math-emu/
libs-y += arch/sparc64/prom/ arch/sparc64/lib/
drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
boot := arch/sparc64/boot
image tftpboot.img vmlinux.aout: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
define archhelp
echo '* vmlinux - Standard sparc64 kernel'
echo ' vmlinux.aout - a.out kernel for sparc64'
echo ' tftpboot.img - Image prepared for tftp'
endef
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