4 # Copyright (C) 1999 Kaz Kojima
5 # Copyright (C) 2002, 2003, 2004 Paul Mundt
6 # Copyright (C) 2002 M. R. Brown
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
13 isa-$(CONFIG_SH_DSP) := sh
14 isa-$(CONFIG_CPU_SH2) := sh2
15 isa-$(CONFIG_CPU_SH2A) := sh2a
16 isa-$(CONFIG_CPU_SH3) := sh3
17 isa-$(CONFIG_CPU_SH4) := sh4
18 isa-$(CONFIG_CPU_SH4A) := sh4a
19 isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
20 isa-$(CONFIG_CPU_SH5) := shmedia
21 isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
25 isa-y := $(isa-y)-nofpu
31 cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
32 cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
33 $(call cc-option,-m2a-nofpu,)
34 cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
35 cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
36 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
37 cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
38 $(call cc-option,-m4a-nofpu,)
39 cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
43 # In the case where we are stuck with a compiler that has been uselessly
44 # restricted to a particular ISA, a favourite default of newer GCCs when
45 # extensive multilib targets are not provided, ensure we get the best fit
46 # regarding FP generation. This is necessary to avoid references to FP
47 # variants in libgcc where integer variants exist, which otherwise result
48 # in link errors. This is intentionally stupid (albeit many orders of
49 # magnitude less than GCC's default behaviour), as anything with a large
50 # number of multilib targets better have been built correctly for
53 cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
54 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
57 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
58 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
60 cflags-y += $(call cc-option,-mno-fdpic)
63 # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
64 # support it, while -Wa,-dsp by itself limits the range of usable opcodes
65 # on certain CPU subtypes. Try the ISA variant first, and if that fails,
66 # fall back on -Wa,-dsp for the old binutils versions. Even without DSP
67 # opcodes, we always want the best ISA tuning the version of binutils
70 isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
72 isaflags-$(CONFIG_SH_DSP) := \
73 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
75 cflags-y += $(isaflags-y) -ffreestanding
77 cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \
78 $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
80 OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
81 -R .stab -R .stabstr -S
83 # Give the various platforms the opportunity to set default image types
84 defaultimage-$(CONFIG_SUPERH32) := zImage
86 # Set some sensible Kbuild defaults
87 KBUILD_DEFCONFIG := shx3_defconfig
88 KBUILD_IMAGE := $(defaultimage-y)
91 # Choosing incompatible machines durings configuration will result in
92 # error messages during linking.
96 LDFLAGS_vmlinux += -e _stext
99 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
100 --defsym phys_stext_shmedia=phys_stext+1 \
101 -e phys_stext_shmedia
104 ifdef CONFIG_CPU_LITTLE_ENDIAN
105 LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64'
108 LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4'
112 head-y := arch/sh/kernel/init_task.o
113 head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
114 head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
116 core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
117 core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
120 machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
121 machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
122 machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
123 machdir-$(CONFIG_SH_SH03) += mach-sh03
124 machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear
125 machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
126 machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh
127 machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705
128 machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
129 machdir-$(CONFIG_SH_MIGOR) += mach-migor
130 machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
131 machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
132 machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
133 machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
134 machdir-$(CONFIG_SH_LANDISK) += mach-landisk
135 machdir-$(CONFIG_SH_TITAN) += mach-titan
136 machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
137 machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
139 ifneq ($(machdir-y),)
140 core-y += $(addprefix arch/sh/boards/, \
141 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
144 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
145 machdir-y += mach-common
148 core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
153 # These are ordered by optimization level. A CPU family that is a subset
154 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
155 # levels of genericness if nothing more suitable is situated in the
158 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
160 cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
161 cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
162 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
163 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
164 cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
165 cpuincdir-y += cpu-common # Must be last
167 drivers-y += arch/sh/drivers/
168 drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
172 cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
173 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
175 KBUILD_CFLAGS += -pipe $(cflags-y)
176 KBUILD_CPPFLAGS += $(cflags-y)
177 KBUILD_AFLAGS += $(cflags-y)
179 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
181 libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
182 libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
185 PHONY += maketools FORCE
187 maketools: include/linux/version.h FORCE
188 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
192 zImage uImage uImage.srec vmlinux.srec: vmlinux
193 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
197 archprepare: maketools arch/sh/lib64/syscalltab.h
200 $(Q)$(MAKE) $(clean)=$(boot)
203 @echo '* zImage - Compressed kernel image'
204 @echo ' vmlinux.srec - Create an ELF S-record'
205 @echo ' uImage - Create a bootable image for U-Boot'
206 @echo ' uImage.srec - Create an S-record for U-Boot'
209 define filechk_gen-syscalltab
212 echo " * DO NOT MODIFY."; \
214 echo " * This file was generated by arch/sh/Makefile"; \
215 echo " * Any changes will be reverted at build time."; \
218 echo "#ifndef __SYSCALLTAB_H"; \
219 echo "#define __SYSCALLTAB_H"; \
221 echo "#include <linux/kernel.h>"; \
223 echo "struct syscall_info {"; \
224 echo " const char *name;"; \
225 echo "} syscall_info_table[] = {"; \
226 sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
227 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
230 echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\
232 echo "#endif /* __SYSCALLTAB_H */" )
235 arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S
236 $(call filechk,gen-syscalltab)
238 CLEAN_FILES += arch/sh/lib64/syscalltab.h \
239 include/asm-sh/machtypes.h