xref: /openbmc/linux/arch/sparc/Makefile (revision bb970707) 
1#
2# sparc/Makefile
3#
4# Makefile for the architecture dependent flags and dependencies on the
5# Sparc and sparc64.
6#
7# Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
8# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
9
10# We are not yet configured - so test on arch
11ifeq ($(ARCH),sparc)
12        KBUILD_DEFCONFIG := sparc32_defconfig
13else
14        KBUILD_DEFCONFIG := sparc64_defconfig
15endif
16
17ifeq ($(CONFIG_SPARC32),y)
18#####
19# sparc32
20#
21
22CHECKFLAGS     += -D__sparc__
23LDFLAGS        := -m elf32_sparc
24export BITS    := 32
25UTS_MACHINE    := sparc
26
27# We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
28# versions of gcc.  Some gcc versions won't pass -Av8 to binutils when you
29# give -mcpu=v8.  This silently worked with older bintutils versions but
30# does not any more.
31KBUILD_CFLAGS  += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
32KBUILD_CFLAGS  += -Wa,-Av8
33
34KBUILD_AFLAGS  += -m32 -Wa,-Av8
35
36else
37#####
38# sparc64
39#
40
41CHECKFLAGS    += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
42LDFLAGS       := -m elf64_sparc
43export BITS   := 64
44UTS_MACHINE   := sparc64
45
46KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
47KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
48KBUILD_CFLAGS += -Wa,--undeclared-regs
49KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
50KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
51
52ifeq ($(CONFIG_MCOUNT),y)
53  KBUILD_CFLAGS += -pg
54endif
55
56endif
57
58head-y                 := arch/sparc/kernel/head_$(BITS).o
59
60# See arch/sparc/Kbuild for the core part of the kernel
61core-y                 += arch/sparc/
62
63libs-y                 += arch/sparc/prom/
64libs-y                 += arch/sparc/lib/
65
66drivers-$(CONFIG_PM) += arch/sparc/power/
67drivers-$(CONFIG_OPROFILE)	+= arch/sparc/oprofile/
68
69boot := arch/sparc/boot
70
71# Default target
72all: zImage
73
74image zImage uImage tftpboot.img vmlinux.aout: vmlinux
75	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
76
77install:
78	$(Q)$(MAKE) $(build)=$(boot) $@
79
80archclean:
81	$(Q)$(MAKE) $(clean)=$(boot)
82
83# This is the image used for packaging
84KBUILD_IMAGE := $(boot)/zImage
85
86# Don't use tabs in echo arguments.
87ifeq ($(ARCH),sparc)
88define archhelp
89  echo  '* image        - kernel image ($(boot)/image)'
90  echo  '* zImage       - stripped kernel image ($(boot)/zImage)'
91  echo  '  uImage       - U-Boot SPARC32 Image (only for LEON)'
92  echo  '  tftpboot.img - image prepared for tftp'
93endef
94else
95define archhelp
96  echo  '* vmlinux      - standard sparc64 kernel'
97  echo  '* zImage       - stripped and compressed sparc64 kernel ($(boot)/zImage)'
98  echo  '  vmlinux.aout - a.out kernel for sparc64'
99  echo  '  tftpboot.img - image prepared for tftp'
100endef
101endif
102