Makefile revision b87bf74724750d6e89bf86f40ba86f743607341b
1#
2# arch/sh/Makefile
3#
4# Copyright (C) 1999  Kaz Kojima
5# Copyright (C) 2002, 2003, 2004  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
21isa-$(CONFIG_SH_DSP)			:= $(isa-y)-dsp
22
23ifndef CONFIG_SH_DSP
24ifndef CONFIG_SH_FPU
25isa-y			:= $(isa-y)-nofpu
26endif
27endif
28
29isa-y			:= $(isa-y)-up
30
31cflags-$(CONFIG_CPU_SH2)		:= $(call cc-option,-m2,)
32cflags-$(CONFIG_CPU_SH2A)		+= $(call cc-option,-m2a,) \
33					   $(call cc-option,-m2a-nofpu,)
34cflags-$(CONFIG_CPU_SH3)		:= $(call cc-option,-m3,)
35cflags-$(CONFIG_CPU_SH4)		:= $(call cc-option,-m4,) \
36	$(call cc-option,-mno-implicit-fp,-m4-nofpu)
37cflags-$(CONFIG_CPU_SH4A)		+= $(call cc-option,-m4a,) \
38					   $(call cc-option,-m4a-nofpu,)
39cflags-$(CONFIG_CPU_SH5)		:= $(call cc-option,-m5-32media-nofpu,)
40
41cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= -mb
42cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= -ml
43
44#
45# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
46# support it, while -Wa,-dsp by itself limits the range of usable opcodes
47# on certain CPU subtypes. Try the ISA variant first, and if that fails,
48# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
49# opcodes, we always want the best ISA tuning the version of binutils
50# will provide.
51#
52isaflags-y	:= $(call as-option,-Wa$(comma)-isa=$(isa-y),)
53
54isaflags-$(CONFIG_SH_DSP)		:= \
55	$(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
56
57cflags-y	+= $(isaflags-y) -ffreestanding
58
59cflags-$(CONFIG_MORE_COMPILE_OPTIONS)	+= \
60	$(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
61
62OBJCOPYFLAGS	:= -O binary -R .note -R .note.gnu.build-id -R .comment \
63		   -R .stab -R .stabstr -S
64
65# Give the various platforms the opportunity to set default image types
66defaultimage-$(CONFIG_SUPERH32)	:= zImage
67
68# Set some sensible Kbuild defaults
69KBUILD_DEFCONFIG	:= r7780mp_defconfig
70KBUILD_IMAGE		:= $(defaultimage-y)
71
72#
73# Choosing incompatible machines durings configuration will result in
74# error messages during linking.
75#
76ifdef CONFIG_SUPERH32
77LDFLAGS_vmlinux	+= -e _stext
78else
79LDFLAGS_vmlinux	+= --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
80		   --defsym phys_stext_shmedia=phys_stext+1 \
81		   -e phys_stext_shmedia
82endif
83
84ifdef CONFIG_CPU_LITTLE_ENDIAN
85LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64'
86LDFLAGS			+= -EL
87else
88LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64+4'
89LDFLAGS			+= -EB
90endif
91
92KBUILD_CFLAGS		+= -pipe $(cflags-y)
93KBUILD_AFLAGS		+= $(cflags-y)
94
95head-y			:= arch/sh/kernel/init_task.o
96head-$(CONFIG_SUPERH32)	+= arch/sh/kernel/head_32.o
97head-$(CONFIG_SUPERH64)	+= arch/sh/kernel/head_64.o
98
99LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
100
101core-y				+= arch/sh/kernel/ arch/sh/mm/
102core-$(CONFIG_SH_FPU_EMU)	+= arch/sh/math-emu/
103
104# Boards
105machdir-$(CONFIG_SH_SOLUTION_ENGINE)		+= se/770x
106machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE)	+= se/7722
107machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)	+= se/7751
108machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE)	+= se/7780
109machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)	+= se/7343
110machdir-$(CONFIG_SH_HP6XX)			+= hp6xx
111machdir-$(CONFIG_SH_DREAMCAST)			+= dreamcast
112machdir-$(CONFIG_SH_MPC1211)			+= mpc1211
113machdir-$(CONFIG_SH_SH03)			+= sh03
114machdir-$(CONFIG_SH_SECUREEDGE5410)		+= snapgear
115machdir-$(CONFIG_SH_RTS7751R2D)			+= renesas/rts7751r2d
116machdir-$(CONFIG_SH_7751_SYSTEMH)		+= renesas/systemh
117machdir-$(CONFIG_SH_EDOSK7705)			+= renesas/edosk7705
118machdir-$(CONFIG_SH_HIGHLANDER)			+= renesas/r7780rp
119machdir-$(CONFIG_SH_7710VOIPGW)			+= renesas/sh7710voipgw
120machdir-$(CONFIG_SH_X3PROTO)			+= renesas/x3proto
121machdir-$(CONFIG_SH_SH4202_MICRODEV)		+= superh/microdev
122machdir-$(CONFIG_SH_LANDISK)			+= landisk
123machdir-$(CONFIG_SH_TITAN)			+= titan
124machdir-$(CONFIG_SH_SHMIN)			+= shmin
125machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE)	+= se/7206
126machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE)	+= se/7619
127machdir-$(CONFIG_SH_LBOX_RE2)			+= lboxre2
128machdir-$(CONFIG_SH_MAGIC_PANEL_R2)		+= magicpanelr2
129machdir-$(CONFIG_SH_CAYMAN)			+= cayman
130
131incdir-y	:= $(notdir $(machdir-y))
132
133ifneq ($(machdir-y),)
134core-y	+= $(addprefix arch/sh/boards/, \
135	     $(filter-out ., $(patsubst %,%/,$(machdir-y))))
136endif
137
138# Companion chips
139core-$(CONFIG_HD6446X_SERIES)	+= arch/sh/cchips/hd6446x/
140
141cpuincdir-$(CONFIG_CPU_SH2)	:= cpu-sh2
142cpuincdir-$(CONFIG_CPU_SH2A)	:= cpu-sh2a
143cpuincdir-$(CONFIG_CPU_SH3)	:= cpu-sh3
144cpuincdir-$(CONFIG_CPU_SH4)	:= cpu-sh4
145cpuincdir-$(CONFIG_CPU_SH5)	:= cpu-sh5
146
147libs-$(CONFIG_SUPERH32)		:= arch/sh/lib/	$(libs-y)
148libs-$(CONFIG_SUPERH64)		:= arch/sh/lib64/ $(libs-y)
149libs-y				+= $(LIBGCC)
150
151drivers-y			+= arch/sh/drivers/
152drivers-$(CONFIG_OPROFILE)	+= arch/sh/oprofile/
153
154boot := arch/sh/boot
155
156CPPFLAGS_vmlinux.lds := -traditional
157
158incdir-prefix	:= $(srctree)/include/asm-sh/
159
160#	Update machine arch and proc symlinks if something which affects
161#	them changed.  We use .arch and .mach to indicate when they were
162#	updated last, otherwise make uses the target directory mtime.
163
164include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \
165		     include/config/auto.conf FORCE
166	@echo '  SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
167	$(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
168	$(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
169	@touch $@
170
171#	Most boards have their own mach directories.  For the ones that
172#	don't, just reference the parent directory so the semantics are
173#	kept roughly the same.
174#
175#	When multiple boards are compiled in at the same time, preference
176#	for the mach link is given to whichever has a directory for its
177#	headers. However, this is only a workaround until platforms that
178#	can live in the same kernel image back away from relying on the
179#	mach link.
180
181include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
182		      include/config/auto.conf FORCE
183	$(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
184	$(Q)rm -f include/asm-sh/mach
185	$(Q)for i in $(incdir-y); do \
186	if [ -d $(incdir-prefix)$$i ]; then \
187		echo -n '  SYMLINK include/asm-sh/mach -> '; \
188		echo -e "include/asm-sh/$$i"; \
189		ln -fsn $(incdir-prefix)$$i \
190			include/asm-sh/mach; \
191	else \
192		if [ ! -d include/asm-sh/mach ]; then \
193			echo -n '  SYMLINK include/asm-sh/mach -> '; \
194			echo -e 'include/asm-sh'; \
195			ln -fsn $(incdir-prefix) include/asm-sh/mach; \
196		fi; \
197	fi; \
198	done
199	@touch $@
200
201PHONY += maketools FORCE
202
203maketools:  include/linux/version.h FORCE
204	$(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
205
206all: $(KBUILD_IMAGE)
207
208zImage uImage uImage.srec vmlinux.srec: vmlinux
209	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
210
211compressed: zImage
212
213archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools \
214	     arch/sh/lib64/syscalltab.h
215
216archclean:
217	$(Q)$(MAKE) $(clean)=$(boot)
218
219define archhelp
220	@echo '* zImage 	           - Compressed kernel image'
221	@echo '  vmlinux.srec	           - Create an ELF S-record'
222	@echo '  uImage  	           - Create a bootable image for U-Boot'
223	@echo '  uImage.srec  	           - Create an S-record for U-Boot'
224endef
225
226define filechk_gen-syscalltab
227       (set -e; \
228	echo "/*"; \
229	echo " * DO NOT MODIFY."; \
230	echo " *"; \
231	echo " * This file was generated by arch/sh/Makefile"; \
232	echo " * Any changes will be reverted at build time."; \
233	echo " */"; \
234	echo ""; \
235	echo "#ifndef __SYSCALLTAB_H"; \
236	echo "#define __SYSCALLTAB_H"; \
237	echo ""; \
238	echo "#include <linux/kernel.h>"; \
239	echo ""; \
240	echo "struct syscall_info {"; \
241	echo "	const char *name;"; \
242	echo "} syscall_info_table[] = {"; \
243	sed -e '/^.*\.long /!d;s//	{ "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
244		s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
245	echo "};"; \
246	echo ""; \
247	echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\
248	echo ""; \
249	echo "#endif /* __SYSCALLTAB_H */" )
250endef
251
252arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S
253	$(call filechk,gen-syscalltab)
254
255CLEAN_FILES += arch/sh/lib64/syscalltab.h \
256	       include/asm-sh/machtypes.h \
257	       include/asm-sh/cpu include/asm-sh/.cpu \
258	       include/asm-sh/mach include/asm-sh/.mach
259