1# $Id: Makefile,v 1.51.2.1 2002/03/14 01:26:21 kanoj 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 $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo $(CC); 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; )
20INLINE_LIMIT := $(shell if $(CC) -m64 -finline-limit=100000 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
21
22export NEW_GCC
23
24ifneq ($(NEW_GAS),y)
25AS		= sparc64-linux-as
26LD		= sparc64-linux-ld
27NM		= sparc64-linux-nm
28AR		= sparc64-linux-ar
29RANLIB		= sparc64-linux-ranlib
30else
31AS		:= $(AS) -64
32LD		:= $(LD) -m elf64_sparc
33endif
34ELFTOAOUT	= elftoaout
35ifneq ($(UNDECLARED_REGS),y)
36CC_UNDECL	=
37else
38CC_UNDECL	= -Wa,--undeclared-regs
39AS		:= $(AS) --undeclared-regs
40endif
41
42ifneq ($(NEW_GCC),y)
43  CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
44	    -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
45else
46  CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
47	    -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \
48	    $(CC_UNDECL)
49  AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
50endif
51
52ifeq ($(INLINE_LIMIT),y)
53  CFLAGS := $(CFLAGS) -finline-limit=100000
54endif
55
56ifeq ($(CONFIG_MCOUNT),y)
57  CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
58  CFLAGS := $(CFLAGS) -pg
59endif
60
61LINKFLAGS = -T arch/sparc64/vmlinux.lds
62
63HEAD := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
64
65SUBDIRS += arch/sparc64/kernel arch/sparc64/lib arch/sparc64/mm \
66	arch/sparc64/prom
67
68ifneq ($(CONFIG_SOLARIS_EMUL),n)
69  SUBDIRS += arch/sparc64/solaris
70endif
71
72SUBDIRS += arch/sparc64/math-emu
73
74CORE_FILES := arch/sparc64/kernel/kernel.o arch/sparc64/mm/mm.o $(CORE_FILES)
75
76ifeq ($(CONFIG_SOLARIS_EMUL),y)
77  CORE_FILES += arch/sparc64/solaris/solaris.o
78endif
79
80CORE_FILES += arch/sparc64/math-emu/math-emu.o
81
82LIBS := $(TOPDIR)/lib/lib.a $(LIBS) $(TOPDIR)/arch/sparc64/prom/promlib.a \
83	$(TOPDIR)/arch/sparc64/lib/lib.a
84
85vmlinux.aout: vmlinux
86	$(ELFTOAOUT) -o $(TOPDIR)/vmlinux.aout $(TOPDIR)/vmlinux
87
88archmrproper:
89	rm -f $(TOPDIR)/include/asm-sparc64/asm_offsets.h
90
91archdep: check_asm
92
93check_asm: include/linux/version.h
94	$(MAKE) -C arch/sparc64/kernel check_asm
95
96
97MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
98
99archclean:
100	@$(MAKEBOOT) clean
101
102tftpboot.img:
103	@$(MAKEBOOT) tftpboot.img
104
105image:
106	@$(MAKEBOOT) image
107