Root/
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 | # |
12 | isa-y := any |
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 | |
22 | ifeq ($(CONFIG_SUPERH32),y) |
23 | isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp |
24 | isa-y := $(isa-y)-up |
25 | endif |
26 | |
27 | cflags-$(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) := $(call cc-option,-m5-32media-nofpu,) |
37 | |
38 | ifeq ($(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 | # |
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,) |
52 | else |
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 | # |
61 | isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) |
62 | |
63 | isaflags-$(CONFIG_SH_DSP) := \ |
64 | $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) |
65 | endif |
66 | |
67 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb |
68 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml |
69 | |
70 | cflags-y += $(call cc-option,-mno-fdpic) |
71 | cflags-y += $(isaflags-y) -ffreestanding |
72 | |
73 | OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ |
74 | -R .stab -R .stabstr -S |
75 | |
76 | # Give the various platforms the opportunity to set default image types |
77 | defaultimage-$(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_MIGOR) := uImage |
82 | defaultimage-$(CONFIG_SH_AP325RXA) := uImage |
83 | defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage |
84 | defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux |
85 | defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux |
86 | |
87 | # Set some sensible Kbuild defaults |
88 | KBUILD_IMAGE := $(defaultimage-y) |
89 | |
90 | # |
91 | # Choosing incompatible machines durings configuration will result in |
92 | # error messages during linking. |
93 | # |
94 | ifdef CONFIG_SUPERH32 |
95 | UTS_MACHINE := sh |
96 | BITS := 32 |
97 | LDFLAGS_vmlinux += -e _stext |
98 | KBUILD_DEFCONFIG := shx3_defconfig |
99 | else |
100 | UTS_MACHINE := sh64 |
101 | BITS := 64 |
102 | LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ |
103 | --defsym phys_stext_shmedia=phys_stext+1 \ |
104 | -e phys_stext_shmedia |
105 | KBUILD_DEFCONFIG := cayman_defconfig |
106 | endif |
107 | |
108 | ifneq ($(SUBARCH),$(ARCH)) |
109 | ifeq ($(CROSS_COMPILE),) |
110 | CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-) |
111 | endif |
112 | endif |
113 | |
114 | ifdef CONFIG_CPU_LITTLE_ENDIAN |
115 | ld-bfd := elf32-$(UTS_MACHINE)-linux |
116 | LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd) |
117 | LDFLAGS += -EL |
118 | else |
119 | ld-bfd := elf32-$(UTS_MACHINE)big-linux |
120 | LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd) |
121 | LDFLAGS += -EB |
122 | endif |
123 | |
124 | export ld-bfd BITS |
125 | |
126 | head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o |
127 | |
128 | core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ |
129 | core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ |
130 | |
131 | # Mach groups |
132 | machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se |
133 | machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx |
134 | machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast |
135 | machdir-$(CONFIG_SH_SH03) += mach-sh03 |
136 | machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d |
137 | machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander |
138 | machdir-$(CONFIG_SH_MIGOR) += mach-migor |
139 | machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa |
140 | machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 |
141 | machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 |
142 | machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 |
143 | machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 |
144 | machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto |
145 | machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp |
146 | machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev |
147 | machdir-$(CONFIG_SH_LANDISK) += mach-landisk |
148 | machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 |
149 | machdir-$(CONFIG_SH_CAYMAN) += mach-cayman |
150 | machdir-$(CONFIG_SH_RSK) += mach-rsk |
151 | |
152 | ifneq ($(machdir-y),) |
153 | core-y += $(addprefix arch/sh/boards/, \ |
154 | $(filter-out ., $(patsubst %,%/,$(machdir-y)))) |
155 | endif |
156 | |
157 | # Common machine type headers. Not part of the arch/sh/boards/ hierarchy. |
158 | machdir-y += mach-common |
159 | |
160 | # Companion chips |
161 | core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ |
162 | |
163 | # |
164 | # CPU header paths |
165 | # |
166 | # These are ordered by optimization level. A CPU family that is a subset |
167 | # of another (ie, SH-2A / SH-2), is picked up first, with increasing |
168 | # levels of genericness if nothing more suitable is situated in the |
169 | # hierarchy. |
170 | # |
171 | # As an example, in order of preference, SH-2A > SH-2 > common definitions. |
172 | # |
173 | cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a |
174 | cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 |
175 | cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 |
176 | cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 |
177 | cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 |
178 | cpuincdir-y += cpu-common # Must be last |
179 | |
180 | drivers-y += arch/sh/drivers/ |
181 | drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ |
182 | |
183 | boot := arch/sh/boot |
184 | |
185 | cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ |
186 | $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) |
187 | |
188 | KBUILD_CFLAGS += -pipe $(cflags-y) |
189 | KBUILD_CPPFLAGS += $(cflags-y) |
190 | KBUILD_AFLAGS += $(cflags-y) |
191 | |
192 | ifeq ($(CONFIG_MCOUNT),y) |
193 | KBUILD_CFLAGS += -pg |
194 | endif |
195 | |
196 | ifeq ($(CONFIG_DWARF_UNWINDER),y) |
197 | KBUILD_CFLAGS += -fasynchronous-unwind-tables |
198 | endif |
199 | |
200 | libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) |
201 | libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) |
202 | |
203 | BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.lzo \ |
204 | uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ |
205 | romImage |
206 | PHONY += $(BOOT_TARGETS) |
207 | |
208 | all: $(KBUILD_IMAGE) |
209 | |
210 | $(BOOT_TARGETS): vmlinux |
211 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
212 | |
213 | compressed: zImage |
214 | |
215 | archprepare: |
216 | $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h |
217 | |
218 | archclean: |
219 | $(Q)$(MAKE) $(clean)=$(boot) |
220 | $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall |
221 | |
222 | define archhelp |
223 | @echo ' zImage - Compressed kernel image' |
224 | @echo ' romImage - Compressed ROM image, if supported' |
225 | @echo ' vmlinux.srec - Create an ELF S-record' |
226 | @echo ' vmlinux.bin - Create an uncompressed binary image' |
227 | @echo '* uImage - Alias to bootable U-Boot image' |
228 | @echo ' uImage.srec - Create an S-record for U-Boot' |
229 | @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' |
230 | @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' |
231 | @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' |
232 | @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' |
233 | @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' |
234 | endef |
235 |
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