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# $Id: Makefile,v 1.1.1.1 2004-04-15 01:33:36 phoenix 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)
#

# If the solaris /bin/sh wasn't so broken, I wouldn't need the following
# line...
SHELL  =/bin/bash

CC              := $(shell if gcc -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo gcc; else echo sparc64-linux-gcc; fi )

NEW_GCC := $(shell if $(CC) -m64 -mcmodel=medlow -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
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; )
INLINE_LIMIT := $(shell if $(CC) -m64 -finline-limit=100000 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )

export NEW_GCC

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
LD              := $(LD) -m elf64_sparc
endif
ELFTOAOUT       = elftoaout
ifneq ($(UNDECLARED_REGS),y)
CC_UNDECL       =
else
CC_UNDECL       = -Wa,--undeclared-regs
AS              := $(AS) --undeclared-regs
endif

ifneq ($(NEW_GCC),y)
  CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
            -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
else
  CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
            -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \
            $(CC_UNDECL)
  AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
endif

ifeq ($(INLINE_LIMIT),y)
  CFLAGS := $(CFLAGS) -finline-limit=100000
endif

ifeq ($(CONFIG_MCOUNT),y)
  CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
  CFLAGS := $(CFLAGS) -pg
endif

LINKFLAGS = -T arch/sparc64/vmlinux.lds

HEAD := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o

SUBDIRS += arch/sparc64/kernel arch/sparc64/lib arch/sparc64/mm \
        arch/sparc64/prom

ifneq ($(CONFIG_SOLARIS_EMUL),n)
  SUBDIRS += arch/sparc64/solaris
endif

SUBDIRS += arch/sparc64/math-emu

CORE_FILES := arch/sparc64/kernel/kernel.o arch/sparc64/mm/mm.o $(CORE_FILES)

ifeq ($(CONFIG_SOLARIS_EMUL),y)
  CORE_FILES += arch/sparc64/solaris/solaris.o
endif

CORE_FILES += arch/sparc64/math-emu/math-emu.o

LIBS := $(TOPDIR)/lib/lib.a $(LIBS) $(TOPDIR)/arch/sparc64/prom/promlib.a \
        $(TOPDIR)/arch/sparc64/lib/lib.a

vmlinux.aout: vmlinux
        $(ELFTOAOUT) -o $(TOPDIR)/vmlinux.aout $(TOPDIR)/vmlinux

archmrproper:
        rm -f $(TOPDIR)/include/asm-sparc64/asm_offsets.h

archdep: check_asm

check_asm: include/linux/version.h
        $(MAKE) -C arch/sparc64/kernel check_asm


MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot

archclean:
        @$(MAKEBOOT) clean

tftpboot.img:
        @$(MAKEBOOT) tftpboot.img

image:
        @$(MAKEBOOT) image