Commit | Line | Data |
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1da177e4 | 1 | # |
c2f1755b | 2 | # arch/sh/Makefile |
1da177e4 LT |
3 | # |
4 | # Copyright (C) 1999 Kaz Kojima | |
b2d86a3f | 5 | # Copyright (C) 2002 - 2008 Paul Mundt |
1da177e4 LT |
6 | # Copyright (C) 2002 M. R. Brown |
7 | # | |
c2f1755b PM |
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. | |
1da177e4 | 11 | # |
23243c1a | 12 | ifdef cross_compiling |
d14a5fdc | 13 | ifeq ($(CROSS_COMPILE),) |
37744fee | 14 | CROSS_COMPILE := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-) |
d14a5fdc GU |
15 | endif |
16 | endif | |
17 | ||
859fd586 | 18 | KBUILD_DEFCONFIG := shx3_defconfig |
859fd586 | 19 | |
cad82448 | 20 | isa-y := any |
e5723e0e | 21 | isa-$(CONFIG_SH_DSP) := sh |
cad82448 | 22 | isa-$(CONFIG_CPU_SH2) := sh2 |
e5723e0e | 23 | isa-$(CONFIG_CPU_SH2A) := sh2a |
cad82448 PM |
24 | isa-$(CONFIG_CPU_SH3) := sh3 |
25 | isa-$(CONFIG_CPU_SH4) := sh4 | |
26 | isa-$(CONFIG_CPU_SH4A) := sh4a | |
e5723e0e | 27 | isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al |
ddb72b02 | 28 | |
cad82448 | 29 | isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp |
ddb72b02 | 30 | isa-y := $(isa-y)-up |
cad82448 | 31 | |
6240d92f | 32 | cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) |
f208b87b | 33 | cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,) |
aab1b16a | 34 | cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ |
b1923b55 GU |
35 | $(call cc-option,-m2a-nofpu,) \ |
36 | $(call cc-option,-m4-nofpu,) | |
6240d92f PM |
37 | cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) |
38 | cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ | |
1da177e4 | 39 | $(call cc-option,-mno-implicit-fp,-m4-nofpu) |
aab1b16a | 40 | cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ |
6240d92f | 41 | $(call cc-option,-m4a-nofpu,) |
8bcc5c1c | 42 | cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,) |
53644087 | 43 | |
5dd61476 PM |
44 | ifeq ($(cflags-y),) |
45 | # | |
46 | # In the case where we are stuck with a compiler that has been uselessly | |
47 | # restricted to a particular ISA, a favourite default of newer GCCs when | |
48 | # extensive multilib targets are not provided, ensure we get the best fit | |
49 | # regarding FP generation. This is intentionally stupid (albeit many | |
50 | # orders of magnitude less than GCC's default behaviour), as anything | |
51 | # with a large number of multilib targets better have been built | |
52 | # correctly for the target in mind. | |
53 | # | |
54 | cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ | |
55 | grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') | |
56 | # At this point, anything goes. | |
57 | isaflags-y := $(call as-option,-Wa$(comma)-isa=any,) | |
58 | else | |
da2f5f7b PM |
59 | # |
60 | # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that | |
61 | # support it, while -Wa,-dsp by itself limits the range of usable opcodes | |
62 | # on certain CPU subtypes. Try the ISA variant first, and if that fails, | |
63 | # fall back on -Wa,-dsp for the old binutils versions. Even without DSP | |
64 | # opcodes, we always want the best ISA tuning the version of binutils | |
65 | # will provide. | |
66 | # | |
67 | isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) | |
68 | ||
69 | isaflags-$(CONFIG_SH_DSP) := \ | |
70 | $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) | |
5dd61476 PM |
71 | endif |
72 | ||
73 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb | |
74 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml | |
da2f5f7b | 75 | |
5dd61476 | 76 | cflags-y += $(call cc-option,-mno-fdpic) |
da2f5f7b | 77 | cflags-y += $(isaflags-y) -ffreestanding |
1da177e4 | 78 | |
c2f1755b PM |
79 | OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ |
80 | -R .stab -R .stabstr -S | |
1da177e4 | 81 | |
c2f1755b | 82 | # Give the various platforms the opportunity to set default image types |
37744fee | 83 | defaultimage-y := zImage |
1a306032 | 84 | defaultimage-$(CONFIG_SH_SH7785LCR) := uImage |
6f5cd2bd | 85 | defaultimage-$(CONFIG_SH_RSK) := uImage |
ae68df56 | 86 | defaultimage-$(CONFIG_SH_URQUELL) := uImage |
8144a7dd PM |
87 | defaultimage-$(CONFIG_SH_MIGOR) := uImage |
88 | defaultimage-$(CONFIG_SH_AP325RXA) := uImage | |
e857bfd4 | 89 | defaultimage-$(CONFIG_SH_SH7757LCR) := uImage |
8144a7dd | 90 | defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage |
709420dd PM |
91 | defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux |
92 | defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux | |
f36af733 | 93 | |
c2f1755b | 94 | # Set some sensible Kbuild defaults |
e62c527e MM |
95 | boot := arch/sh/boot |
96 | KBUILD_IMAGE := $(boot)/$(defaultimage-y) | |
1da177e4 LT |
97 | |
98 | # | |
99 | # Choosing incompatible machines durings configuration will result in | |
100 | # error messages during linking. | |
101 | # | |
f9e2b97d | 102 | UTS_MACHINE := sh |
f9e2b97d | 103 | LDFLAGS_vmlinux += -e _stext |
1da177e4 LT |
104 | |
105 | ifdef CONFIG_CPU_LITTLE_ENDIAN | |
37744fee | 106 | ld-bfd := elf32-sh-linux |
8e780be9 | 107 | LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd) |
d503ac53 | 108 | KBUILD_LDFLAGS += -EL |
1da177e4 | 109 | else |
37744fee | 110 | ld-bfd := elf32-shbig-linux |
8e780be9 | 111 | LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd) |
d503ac53 | 112 | KBUILD_LDFLAGS += -EB |
1da177e4 LT |
113 | endif |
114 | ||
37744fee | 115 | export ld-bfd |
7b022d07 | 116 | |
c8b5d9dc | 117 | # Mach groups |
939a24a6 | 118 | machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se |
da2014a2 PM |
119 | machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast |
120 | machdir-$(CONFIG_SH_SH03) += mach-sh03 | |
da2014a2 | 121 | machdir-$(CONFIG_SH_MIGOR) += mach-migor |
e7d16514 | 122 | machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 |
4138b740 | 123 | machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 |
02bf6cc7 | 124 | machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 |
da2014a2 | 125 | machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto |
da2014a2 | 126 | machdir-$(CONFIG_SH_LANDISK) += mach-landisk |
706afcea | 127 | machdir-y += mach-common |
7639a454 | 128 | |
93dc544c PM |
129 | # |
130 | # CPU header paths | |
131 | # | |
132 | # These are ordered by optimization level. A CPU family that is a subset | |
133 | # of another (ie, SH-2A / SH-2), is picked up first, with increasing | |
134 | # levels of genericness if nothing more suitable is situated in the | |
135 | # hierarchy. | |
136 | # | |
137 | # As an example, in order of preference, SH-2A > SH-2 > common definitions. | |
138 | # | |
139 | cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a | |
140 | cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 | |
141 | cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 | |
61a6976b | 142 | cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a |
93dc544c | 143 | cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 |
93dc544c | 144 | cpuincdir-y += cpu-common # Must be last |
1da177e4 | 145 | |
1da177e4 | 146 | drivers-y += arch/sh/drivers/ |
1da177e4 | 147 | |
4bd04b20 | 148 | KBUILD_CPPFLAGS += $(addprefix -I $(srctree)/arch/sh/include/, $(cpuincdir-y) $(machdir-y)) |
f15cbe6f | 149 | KBUILD_CFLAGS += -pipe $(cflags-y) |
f15cbe6f | 150 | KBUILD_AFLAGS += $(cflags-y) |
1da177e4 | 151 | |
473d1cf4 PM |
152 | ifeq ($(CONFIG_MCOUNT),y) |
153 | KBUILD_CFLAGS += -pg | |
154 | endif | |
155 | ||
bd353861 MF |
156 | ifeq ($(CONFIG_DWARF_UNWINDER),y) |
157 | KBUILD_CFLAGS += -fasynchronous-unwind-tables | |
158 | endif | |
159 | ||
37744fee | 160 | libs-y := arch/sh/lib/ $(libs-y) |
49de935c | 161 | |
50cfa79d | 162 | BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \ |
eca50f14 PM |
163 | uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ |
164 | romImage | |
3252b11f | 165 | PHONY += $(BOOT_TARGETS) |
1da177e4 | 166 | |
e62c527e | 167 | all: $(notdir $(KBUILD_IMAGE)) |
1da177e4 | 168 | |
ef9b542f | 169 | $(BOOT_TARGETS): vmlinux |
1da177e4 LT |
170 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
171 | ||
172 | compressed: zImage | |
173 | ||
3252b11f SR |
174 | archprepare: |
175 | $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h | |
d088f323 | 176 | |
2b3c5a99 FK |
177 | archheaders: |
178 | $(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all | |
179 | ||
1da177e4 | 180 | define archhelp |
ef9b542f | 181 | @echo ' zImage - Compressed kernel image' |
fdeb076f | 182 | @echo ' romImage - Compressed ROM image, if supported' |
cf00e204 | 183 | @echo ' vmlinux.srec - Create an ELF S-record' |
eca50f14 | 184 | @echo ' vmlinux.bin - Create an uncompressed binary image' |
ef9b542f PM |
185 | @echo '* uImage - Alias to bootable U-Boot image' |
186 | @echo ' uImage.srec - Create an S-record for U-Boot' | |
a5c461bb | 187 | @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' |
ef9b542f PM |
188 | @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' |
189 | @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' | |
190 | @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' | |
50cfa79d | 191 | @echo ' uImage.xz - Kernel-only image for U-Boot (xz)' |
c7b16efb | 192 | @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' |
1da177e4 | 193 | endef |