4 # Copyright (C) 1999 Kaz Kojima
5 # Copyright (C) 2002 - 2008 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
22 ifeq ($(CONFIG_SUPERH32),y)
23 isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
27 cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
28 cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
29 $(call cc-option,-m2a-nofpu,)
30 cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
31 cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
32 $(call cc-option,-mno-implicit-fp,-m4-nofpu)
33 cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
34 $(call cc-option,-m4a-nofpu,)
35 cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
36 cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
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.
48 cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
49 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
50 # At this point, anything goes.
51 isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
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
61 isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
63 isaflags-$(CONFIG_SH_DSP) := \
64 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
67 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
68 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
70 cflags-y += $(call cc-option,-mno-fdpic)
71 cflags-y += $(isaflags-y) -ffreestanding
73 OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
74 -R .stab -R .stabstr -S
76 # Give the various platforms the opportunity to set default image types
77 defaultimage-$(CONFIG_SUPERH32) := zImage
78 defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
79 defaultimage-$(CONFIG_SH_RSK) := uImage
80 defaultimage-$(CONFIG_SH_URQUELL) := uImage
81 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
82 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
84 # Set some sensible Kbuild defaults
85 KBUILD_DEFCONFIG := shx3_defconfig
86 KBUILD_IMAGE := $(defaultimage-y)
89 # Choosing incompatible machines durings configuration will result in
90 # error messages during linking.
95 LDFLAGS_vmlinux += -e _stext
99 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
100 --defsym phys_stext_shmedia=phys_stext+1 \
101 -e phys_stext_shmedia
104 ifdef CONFIG_CPU_LITTLE_ENDIAN
105 ld-bfd := elf32-$(UTS_MACHINE)-linux
106 LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)
109 ld-bfd := elf32-$(UTS_MACHINE)big-linux
110 LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
116 head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o
118 core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
119 core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
122 machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
123 machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
124 machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
125 machdir-$(CONFIG_SH_SH03) += mach-sh03
126 machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear
127 machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
128 machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh
129 machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705
130 machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
131 machdir-$(CONFIG_SH_MIGOR) += mach-migor
132 machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
133 machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
134 machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
135 machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
136 machdir-$(CONFIG_SH_LANDISK) += mach-landisk
137 machdir-$(CONFIG_SH_TITAN) += mach-titan
138 machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
139 machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
140 machdir-$(CONFIG_SH_RSK) += mach-rsk
142 ifneq ($(machdir-y),)
143 core-y += $(addprefix arch/sh/boards/, \
144 $(filter-out ., $(patsubst %,%/,$(machdir-y))))
147 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
148 machdir-y += mach-common
151 core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
156 # These are ordered by optimization level. A CPU family that is a subset
157 # of another (ie, SH-2A / SH-2), is picked up first, with increasing
158 # levels of genericness if nothing more suitable is situated in the
161 # As an example, in order of preference, SH-2A > SH-2 > common definitions.
163 cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
164 cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
165 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
166 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
167 cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
168 cpuincdir-y += cpu-common # Must be last
170 drivers-y += arch/sh/drivers/
171 drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
175 cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
176 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
178 KBUILD_CFLAGS += -pipe $(cflags-y)
179 KBUILD_CPPFLAGS += $(cflags-y)
180 KBUILD_AFLAGS += $(cflags-y)
182 libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
183 libs-$(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
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 CLEAN_FILES += include/asm-sh/machtypes.h