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Linus Torvalds1da177e2005-04-16 15:20:36 -07001# $Id: Makefile,v 1.52 2002/02/09 19:49:31 davem 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
11CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -m64
12
13CPPFLAGS_vmlinux.lds += -Usparc
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 := $(call cc-option-yn, -m64 -mcmodel=medlow)
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 := $(call cc-option-yn, -m64 -finline-limit=100000)
21
22export NEW_GCC
23
24ifneq ($(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 := $(AS) -64
32LDFLAGS := -m elf64_sparc
33endif
34
35ifneq ($(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 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
45else
46 CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
47 -ffixed-g4 -ffixed-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 := $(CFLAGS) -pg
58endif
59
60head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
61
62core-y += arch/sparc64/kernel/ arch/sparc64/mm/
63core-$(CONFIG_SOLARIS_EMUL) += arch/sparc64/solaris/
64core-y += arch/sparc64/math-emu/
65libs-y += arch/sparc64/prom/ arch/sparc64/lib/
66
67# FIXME: is drivers- right?
68drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
69
70boot := arch/sparc64/boot
71
72image tftpboot.img vmlinux.aout: vmlinux
73 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
74
75archclean:
76 $(Q)$(MAKE) $(clean)=$(boot)
77
78define archhelp
79 echo '* vmlinux - Standard sparc64 kernel'
80 echo ' vmlinux.aout - a.out kernel for sparc64'
81 echo ' tftpboot.img - Image prepared for tftp'
82endef
83