xref: /openbmc/linux/arch/sparc/Makefile (revision fd589a8f) 
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
22#
23# Uncomment the first KBUILD_CFLAGS if you are doing kgdb source level
24# debugging of the kernel to get the proper debugging information.
25
26AS             := $(AS) -32
27LDFLAGS        := -m elf32_sparc
28CHECKFLAGS     += -D__sparc__
29export BITS    := 32
30
31#KBUILD_CFLAGS += -g -pipe -fcall-used-g5 -fcall-used-g7
32KBUILD_CFLAGS += -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
33KBUILD_AFLAGS += -m32
34CPPFLAGS_vmlinux.lds += -m32
35
36#LDFLAGS_vmlinux = -N -Ttext 0xf0004000
37#  Since 2.5.40, the first stage is left not btfix-ed.
38#  Actual linking is done with "make image".
39LDFLAGS_vmlinux = -r
40
41else
42#####
43# sparc64
44#
45
46CHECKFLAGS      += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
47
48# Undefine sparc when processing vmlinux.lds - it is used
49# And teach CPP we are doing 64 bit builds (for this case)
50CPPFLAGS_vmlinux.lds += -m64 -Usparc
51LDFLAGS              := -m elf64_sparc
52export BITS          := 64
53
54KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow   \
55                 -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
56                 -Wa,--undeclared-regs
57KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
58KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
59
60ifeq ($(CONFIG_MCOUNT),y)
61  KBUILD_CFLAGS += -pg
62endif
63
64endif
65
66head-y                 := arch/sparc/kernel/head_$(BITS).o
67head-y                 += arch/sparc/kernel/init_task.o
68
69core-y                 += arch/sparc/kernel/
70core-y                 += arch/sparc/mm/ arch/sparc/math-emu/
71
72libs-y                 += arch/sparc/prom/
73libs-y                 += arch/sparc/lib/
74
75drivers-$(CONFIG_OPROFILE)	+= arch/sparc/oprofile/
76
77# Export what is needed by arch/sparc/boot/Makefile
78export VMLINUX_INIT VMLINUX_MAIN
79VMLINUX_INIT := $(head-y) $(init-y)
80VMLINUX_MAIN := $(core-y) kernel/ mm/ fs/ ipc/ security/ crypto/ block/
81VMLINUX_MAIN += $(patsubst %/, %/lib.a, $(libs-y)) $(libs-y)
82VMLINUX_MAIN += $(drivers-y) $(net-y)
83
84ifdef CONFIG_KALLSYMS
85export kallsyms.o := .tmp_kallsyms2.o
86endif
87
88boot := arch/sparc/boot
89
90# Default target
91all: zImage
92
93image zImage tftpboot.img vmlinux.aout: vmlinux
94	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
95
96archclean:
97	$(Q)$(MAKE) $(clean)=$(boot)
98
99# This is the image used for packaging
100KBUILD_IMAGE := $(boot)/zImage
101
102# Don't use tabs in echo arguments.
103ifeq ($(ARCH),sparc)
104define archhelp
105  echo  '* image        - kernel image ($(boot)/image)'
106  echo  '* zImage       - stripped kernel image ($(boot)/zImage)'
107  echo  '  tftpboot.img - image prepared for tftp'
108endef
109else
110define archhelp
111  echo  '* vmlinux      - standard sparc64 kernel'
112  echo  '* zImage       - stripped and compressed sparc64 kernel ($(boot)/zImage)'
113  echo  '  vmlinux.aout - a.out kernel for sparc64'
114  echo  '  tftpboot.img - image prepared for tftp'
115endef
116endif
117