1# $Id: Makefile,v 1.1.1.1 2008/10/15 03:26:19 james26_jang Exp $
2# sparc64/Makefile
3#
4# Makefile for the architecture dependent flags and dependencies on the
5# 64-bit Sparc.
6#
7# Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
8# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
9#
10
11# If the solaris /bin/sh wasn't so broken, I wouldn't need the following
12# line...
13SHELL  =/bin/bash
14
15CC		:= $(shell if gcc -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo gcc; else echo sparc64-linux-gcc; fi )
16
17NEW_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; )
18NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
19UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
20
21export NEW_GCC
22
23ifneq ($(NEW_GAS),y)
24AS		= sparc64-linux-as
25LD		= sparc64-linux-ld
26NM		= sparc64-linux-nm
27AR		= sparc64-linux-ar
28RANLIB		= sparc64-linux-ranlib
29else
30AS		:= $(AS) -64
31LD		:= $(LD) -m elf64_sparc
32endif
33ELFTOAOUT	= elftoaout
34ifneq ($(UNDECLARED_REGS),y)
35CC_UNDECL	=
36else
37CC_UNDECL	= -Wa,--undeclared-regs
38AS		:= $(AS) --undeclared-regs
39endif
40
41ifneq ($(NEW_GCC),y)
42  CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
43	    -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
44else
45  CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
46	    -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \
47	    $(CC_UNDECL)
48  AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
49endif
50
51ifeq ($(CONFIG_MCOUNT),y)
52  CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
53  CFLAGS := $(CFLAGS) -pg
54endif
55
56LINKFLAGS = -T arch/sparc64/vmlinux.lds
57
58HEAD := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
59
60SUBDIRS += arch/sparc64/kernel arch/sparc64/lib arch/sparc64/mm \
61	arch/sparc64/prom
62
63ifneq ($(CONFIG_SOLARIS_EMUL),n)
64  SUBDIRS += arch/sparc64/solaris
65endif
66
67SUBDIRS += arch/sparc64/math-emu
68
69CORE_FILES := arch/sparc64/kernel/kernel.o arch/sparc64/mm/mm.o $(CORE_FILES)
70
71ifeq ($(CONFIG_SOLARIS_EMUL),y)
72  CORE_FILES += arch/sparc64/solaris/solaris.o
73endif
74
75CORE_FILES += arch/sparc64/math-emu/math-emu.o
76
77LIBS := $(TOPDIR)/lib/lib.a $(LIBS) $(TOPDIR)/arch/sparc64/prom/promlib.a \
78	$(TOPDIR)/arch/sparc64/lib/lib.a
79
80vmlinux.aout: vmlinux
81	$(ELFTOAOUT) -o $(TOPDIR)/vmlinux.aout $(TOPDIR)/vmlinux
82
83archclean:
84	rm -f $(TOPDIR)/vmlinux.aout
85
86archmrproper:
87	rm -f $(TOPDIR)/include/asm-sparc64/asm_offsets.h
88
89archdep: check_asm
90
91check_asm: include/linux/version.h
92	$(MAKE) -C arch/sparc64/kernel check_asm
93
94tftpboot.img:
95	$(MAKE) -C arch/sparc64/boot tftpboot.img
96