sh: dwarf unwinder support.
[deliverable/linux.git] / arch / sh / Makefile
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CommitLineData
1#
2# arch/sh/Makefile
3#
4# Copyright (C) 1999 Kaz Kojima
5# Copyright (C) 2002 - 2008 Paul Mundt
6# Copyright (C) 2002 M. R. Brown
7#
8# This file is subject to the terms and conditions of the GNU General Public
9# License. See the file "COPYING" in the main directory of this archive
10# for more details.
11#
12isa-y := any
13isa-$(CONFIG_SH_DSP) := sh
14isa-$(CONFIG_CPU_SH2) := sh2
15isa-$(CONFIG_CPU_SH2A) := sh2a
16isa-$(CONFIG_CPU_SH3) := sh3
17isa-$(CONFIG_CPU_SH4) := sh4
18isa-$(CONFIG_CPU_SH4A) := sh4a
19isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
20isa-$(CONFIG_CPU_SH5) := shmedia
21
22ifeq ($(CONFIG_SUPERH32),y)
23isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
24isa-y := $(isa-y)-up
25endif
26
27cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
28cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
29 $(call cc-option,-m2a-nofpu,)
30cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
31cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
32 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
33cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
34 $(call cc-option,-m4a-nofpu,)
35cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
36cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
37
38ifeq ($(cflags-y),)
39#
40# In the case where we are stuck with a compiler that has been uselessly
41# restricted to a particular ISA, a favourite default of newer GCCs when
42# extensive multilib targets are not provided, ensure we get the best fit
43# regarding FP generation. This is intentionally stupid (albeit many
44# orders of magnitude less than GCC's default behaviour), as anything
45# with a large number of multilib targets better have been built
46# correctly for the target in mind.
47#
48cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
49 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
50# At this point, anything goes.
51isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
52else
53#
54# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
55# support it, while -Wa,-dsp by itself limits the range of usable opcodes
56# on certain CPU subtypes. Try the ISA variant first, and if that fails,
57# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
58# opcodes, we always want the best ISA tuning the version of binutils
59# will provide.
60#
61isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
62
63isaflags-$(CONFIG_SH_DSP) := \
64 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
65endif
66
67cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
68cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
69
70cflags-y += $(call cc-option,-mno-fdpic)
71cflags-y += $(isaflags-y) -ffreestanding
72
73OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
74 -R .stab -R .stabstr -S
75
76# Give the various platforms the opportunity to set default image types
77defaultimage-$(CONFIG_SUPERH32) := zImage
78defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
79defaultimage-$(CONFIG_SH_RSK) := uImage
80defaultimage-$(CONFIG_SH_URQUELL) := uImage
81defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
82defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
83
84# Set some sensible Kbuild defaults
85KBUILD_IMAGE := $(defaultimage-y)
86
87#
88# Choosing incompatible machines durings configuration will result in
89# error messages during linking.
90#
91ifdef CONFIG_SUPERH32
92UTS_MACHINE := sh
93BITS := 32
94LDFLAGS_vmlinux += -e _stext
95KBUILD_DEFCONFIG := shx3_defconfig
96else
97UTS_MACHINE := sh64
98BITS := 64
99LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
100 --defsym phys_stext_shmedia=phys_stext+1 \
101 -e phys_stext_shmedia
102KBUILD_DEFCONFIG := cayman_defconfig
103endif
104
105ifneq ($(SUBARCH),$(ARCH))
106 ifeq ($(CROSS_COMPILE),)
107 CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-)
108 endif
109endif
110
111ifdef CONFIG_CPU_LITTLE_ENDIAN
112ld-bfd := elf32-$(UTS_MACHINE)-linux
113LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)
114LDFLAGS += -EL
115else
116ld-bfd := elf32-$(UTS_MACHINE)big-linux
117LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
118LDFLAGS += -EB
119endif
120
121export ld-bfd BITS
122
123head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o
124
125core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
126core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
127
128# Mach groups
129machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
130machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
131machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
132machdir-$(CONFIG_SH_SH03) += mach-sh03
133machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear
134machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
135machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh
136machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705
137machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
138machdir-$(CONFIG_SH_MIGOR) += mach-migor
139machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
140machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
141machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
142machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
143machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
144machdir-$(CONFIG_SH_LANDISK) += mach-landisk
145machdir-$(CONFIG_SH_TITAN) += mach-titan
146machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
147machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
148machdir-$(CONFIG_SH_RSK) += mach-rsk
149
150ifneq ($(machdir-y),)
151core-y += $(addprefix arch/sh/boards/, \
152 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
153endif
154
155# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
156machdir-y += mach-common
157
158# Companion chips
159core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
160
161#
162# CPU header paths
163#
164# These are ordered by optimization level. A CPU family that is a subset
165# of another (ie, SH-2A / SH-2), is picked up first, with increasing
166# levels of genericness if nothing more suitable is situated in the
167# hierarchy.
168#
169# As an example, in order of preference, SH-2A > SH-2 > common definitions.
170#
171cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
172cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
173cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
174cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
175cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
176cpuincdir-y += cpu-common # Must be last
177
178drivers-y += arch/sh/drivers/
179drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
180
181boot := arch/sh/boot
182
183cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
184 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
185
186KBUILD_CFLAGS += -pipe $(cflags-y)
187KBUILD_CPPFLAGS += $(cflags-y)
188KBUILD_AFLAGS += $(cflags-y)
189
190ifeq ($(CONFIG_MCOUNT),y)
191 KBUILD_CFLAGS += -pg
192endif
193
194ifeq ($(CONFIG_DWARF_UNWINDER),y)
195 KBUILD_CFLAGS += -fasynchronous-unwind-tables
196endif
197
198libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
199libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
200
201BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec \
202 zImage vmlinux.srec romImage
203PHONY += maketools $(BOOT_TARGETS) FORCE
204
205maketools: include/linux/version.h FORCE
206 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
207
208all: $(KBUILD_IMAGE)
209
210$(BOOT_TARGETS): vmlinux
211 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
212
213compressed: zImage
214
215archprepare: maketools
216
217archclean:
218 $(Q)$(MAKE) $(clean)=$(boot)
219 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
220
221define archhelp
222 @echo ' zImage - Compressed kernel image'
223 @echo ' romImage - Compressed ROM image, if supported'
224 @echo ' vmlinux.srec - Create an ELF S-record'
225 @echo '* uImage - Alias to bootable U-Boot image'
226 @echo ' uImage.srec - Create an S-record for U-Boot'
227 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
228 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
229 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
230endef
231
232CLEAN_FILES += include/asm-sh/machtypes.h
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