Root/arch/sh/Makefile

Source at commit 0de2b2b3be81048189a32f7a3d3ba0ba9ec817b6 created 9 years 1 day ago.
By Maarten ter Huurne, MIPS: JZ4740: Fixed value for round robin constant.
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_MIGOR) := uImage
82defaultimage-$(CONFIG_SH_AP325RXA) := uImage
83defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
84defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
85defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
86defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
87
88# Set some sensible Kbuild defaults
89KBUILD_IMAGE := $(defaultimage-y)
90
91#
92# Choosing incompatible machines durings configuration will result in
93# error messages during linking.
94#
95ifdef CONFIG_SUPERH32
96UTS_MACHINE := sh
97BITS := 32
98LDFLAGS_vmlinux += -e _stext
99KBUILD_DEFCONFIG := shx3_defconfig
100else
101UTS_MACHINE := sh64
102BITS := 64
103LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
104               --defsym phys_stext_shmedia=phys_stext+1 \
105               -e phys_stext_shmedia
106KBUILD_DEFCONFIG := cayman_defconfig
107endif
108
109ifneq ($(SUBARCH),$(ARCH))
110  ifeq ($(CROSS_COMPILE),)
111    CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-)
112  endif
113endif
114
115ifdef CONFIG_CPU_LITTLE_ENDIAN
116ld-bfd := elf32-$(UTS_MACHINE)-linux
117LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)
118LDFLAGS += -EL
119else
120ld-bfd := elf32-$(UTS_MACHINE)big-linux
121LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
122LDFLAGS += -EB
123endif
124
125export ld-bfd BITS
126
127head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o
128
129core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
130core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
131
132# Mach groups
133machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
134machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
135machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
136machdir-$(CONFIG_SH_SH03) += mach-sh03
137machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
138machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
139machdir-$(CONFIG_SH_MIGOR) += mach-migor
140machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa
141machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
142machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
143machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
144machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
145machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
146machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
147machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
148machdir-$(CONFIG_SH_LANDISK) += mach-landisk
149machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
150machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
151machdir-$(CONFIG_SH_RSK) += mach-rsk
152
153ifneq ($(machdir-y),)
154core-y += $(addprefix arch/sh/boards/, \
155         $(filter-out ., $(patsubst %,%/,$(machdir-y))))
156endif
157
158# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
159machdir-y += mach-common
160
161# Companion chips
162core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
163
164#
165# CPU header paths
166#
167# These are ordered by optimization level. A CPU family that is a subset
168# of another (ie, SH-2A / SH-2), is picked up first, with increasing
169# levels of genericness if nothing more suitable is situated in the
170# hierarchy.
171#
172# As an example, in order of preference, SH-2A > SH-2 > common definitions.
173#
174cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
175cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
176cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
177cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
178cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
179cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
180cpuincdir-y += cpu-common # Must be last
181
182drivers-y += arch/sh/drivers/
183drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
184
185boot := arch/sh/boot
186
187cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
188           $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
189
190KBUILD_CFLAGS += -pipe $(cflags-y)
191KBUILD_CPPFLAGS += $(cflags-y)
192KBUILD_AFLAGS += $(cflags-y)
193
194ifeq ($(CONFIG_MCOUNT),y)
195  KBUILD_CFLAGS += -pg
196endif
197
198ifeq ($(CONFIG_DWARF_UNWINDER),y)
199  KBUILD_CFLAGS += -fasynchronous-unwind-tables
200endif
201
202libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
203libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
204
205BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
206           uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
207           romImage
208PHONY += $(BOOT_TARGETS)
209
210all: $(KBUILD_IMAGE)
211
212$(BOOT_TARGETS): vmlinux
213    $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
214
215compressed: zImage
216
217archprepare:
218    $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
219
220archclean:
221    $(Q)$(MAKE) $(clean)=$(boot)
222    $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
223
224define archhelp
225    @echo ' zImage - Compressed kernel image'
226    @echo ' romImage - Compressed ROM image, if supported'
227    @echo ' vmlinux.srec - Create an ELF S-record'
228    @echo ' vmlinux.bin - Create an uncompressed binary image'
229    @echo '* uImage - Alias to bootable U-Boot image'
230    @echo ' uImage.srec - Create an S-record for U-Boot'
231    @echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
232    @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
233    @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
234    @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
235    @echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
236    @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
237endef
238

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