1 # 1 #
2 # This file is subject to the terms and condit 2 # This file is subject to the terms and conditions of the GNU General Public
3 # License. See the file "COPYING" in the main 3 # License. See the file "COPYING" in the main directory of this archive
4 # for more details. 4 # for more details.
5 # 5 #
6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Bae 6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
7 # DECStation modifications by Paul M. Antoine, 7 # DECStation modifications by Paul M. Antoine, 1996
8 # Copyright (C) 2002, 2003, 2004 Maciej W. Ro 8 # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
9 # 9 #
10 # This file is included by the global makefile 10 # This file is included by the global makefile so that you can add your own
11 # architecture-specific flags and dependencies !! 11 # architecture-specific flags and dependencies. Remember to do have actions
>> 12 # for "archclean" cleaning up for this architecture.
12 # 13 #
13 14
14 archscripts: scripts_basic !! 15 KBUILD_DEFCONFIG := ip22_defconfig
15 $(Q)$(MAKE) $(build)=arch/mips/tools e <<
16 ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y) <<
17 $(Q)$(MAKE) $(build)=arch/mips/tools l <<
18 endif <<
19 $(Q)$(MAKE) $(build)=arch/mips/boot/to <<
20 <<
21 KBUILD_DEFCONFIG := 32r2el_defconfig <<
22 KBUILD_DTBS := dtbs <<
23 16
24 # 17 #
25 # Select the object file format to substitute 18 # Select the object file format to substitute into the linker script.
26 # 19 #
27 ifdef CONFIG_CPU_LITTLE_ENDIAN 20 ifdef CONFIG_CPU_LITTLE_ENDIAN
28 32bit-tool-archpref = mipsel 21 32bit-tool-archpref = mipsel
29 64bit-tool-archpref = mips64el 22 64bit-tool-archpref = mips64el
30 32bit-bfd = elf32-tradlittlemips 23 32bit-bfd = elf32-tradlittlemips
31 64bit-bfd = elf64-tradlittlemips 24 64bit-bfd = elf64-tradlittlemips
32 32bit-emul = elf32ltsmip 25 32bit-emul = elf32ltsmip
33 64bit-emul = elf64ltsmip 26 64bit-emul = elf64ltsmip
34 else 27 else
35 32bit-tool-archpref = mips 28 32bit-tool-archpref = mips
36 64bit-tool-archpref = mips64 29 64bit-tool-archpref = mips64
37 32bit-bfd = elf32-tradbigmips 30 32bit-bfd = elf32-tradbigmips
38 64bit-bfd = elf64-tradbigmips 31 64bit-bfd = elf64-tradbigmips
39 32bit-emul = elf32btsmip 32 32bit-emul = elf32btsmip
40 64bit-emul = elf64btsmip 33 64bit-emul = elf64btsmip
41 endif 34 endif
42 35
43 ifdef CONFIG_32BIT 36 ifdef CONFIG_32BIT
44 tool-archpref = $(32bit-tool-archpre 37 tool-archpref = $(32bit-tool-archpref)
45 UTS_MACHINE := mips 38 UTS_MACHINE := mips
46 endif 39 endif
47 ifdef CONFIG_64BIT 40 ifdef CONFIG_64BIT
48 tool-archpref = $(64bit-tool-archpre 41 tool-archpref = $(64bit-tool-archpref)
49 UTS_MACHINE := mips64 42 UTS_MACHINE := mips64
50 endif 43 endif
51 44
52 ifdef cross_compiling !! 45 ifneq ($(SUBARCH),$(ARCH))
53 ifeq ($(CROSS_COMPILE),) 46 ifeq ($(CROSS_COMPILE),)
54 CROSS_COMPILE := $(call cc-cross-prefix, $ 47 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
55 endif 48 endif
56 endif 49 endif
57 50
58 ifdef CONFIG_FUNCTION_GRAPH_TRACER 51 ifdef CONFIG_FUNCTION_GRAPH_TRACER
59 ifndef KBUILD_MCOUNT_RA_ADDRESS 52 ifndef KBUILD_MCOUNT_RA_ADDRESS
60 ifeq ($(call cc-option-yn,-mmcount-ra-addr 53 ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
61 cflags-y += -mmcount-ra-address -DKBUILD 54 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
62 endif 55 endif
63 endif 56 endif
64 endif 57 endif
65 cflags-y += $(call cc-option, -mno-check-zero- 58 cflags-y += $(call cc-option, -mno-check-zero-division)
66 59
67 ifdef CONFIG_32BIT 60 ifdef CONFIG_32BIT
68 ld-emul = $(32bit-emul) 61 ld-emul = $(32bit-emul)
69 vmlinux-32 = vmlinux 62 vmlinux-32 = vmlinux
70 vmlinux-64 = vmlinux.64 63 vmlinux-64 = vmlinux.64
71 64
72 cflags-y += -mabi=32 65 cflags-y += -mabi=32
73 endif 66 endif
74 67
75 ifdef CONFIG_64BIT 68 ifdef CONFIG_64BIT
76 ld-emul = $(64bit-emul) 69 ld-emul = $(64bit-emul)
77 vmlinux-32 = vmlinux.32 70 vmlinux-32 = vmlinux.32
78 vmlinux-64 = vmlinux 71 vmlinux-64 = vmlinux
79 72
80 cflags-y += -mabi=64 73 cflags-y += -mabi=64
81 endif 74 endif
82 75
83 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-3 76 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
84 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-6 77 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
85 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz 78 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
86 79
87 # 80 #
88 # GCC uses -G 0 -mabicalls -fpic as default. 81 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
89 # code since it only slows down the whole thin 82 # code since it only slows down the whole thing. At some point we might make
90 # use of global pointer optimizations but thei 83 # use of global pointer optimizations but their use of $28 conflicts with
91 # the current pointer optimization. 84 # the current pointer optimization.
92 # 85 #
93 # The DECStation requires an ECOFF kernel for 86 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
94 # machines may also. Since BFD is incredibly 87 # machines may also. Since BFD is incredibly buggy with respect to
95 # crossformat linking we rely on the elf2ecoff 88 # crossformat linking we rely on the elf2ecoff tool for format conversion.
96 # 89 #
97 cflags-y += -G 0 -mno-a 90 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
98 cflags-y += -msoft-floa !! 91 cflags-y += -msoft-float
99 LDFLAGS_vmlinux += -G 0 -stati 92 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
100 KBUILD_AFLAGS_MODULE += -mlong-call 93 KBUILD_AFLAGS_MODULE += -mlong-calls
101 KBUILD_CFLAGS_MODULE += -mlong-call 94 KBUILD_CFLAGS_MODULE += -mlong-calls
102 95
103 ifeq ($(CONFIG_RELOCATABLE),y) <<
104 LDFLAGS_vmlinux += --emit-relo <<
105 endif <<
106 <<
107 cflags-y += -ffreestanding 96 cflags-y += -ffreestanding
108 97
109 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB !! 98 #
110 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL !! 99 # We explicitly add the endianness specifier if needed, this allows
>> 100 # to compile kernels with a toolchain for the other endianness. We
>> 101 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
>> 102 # when fed the toolchain default!
>> 103 #
>> 104 # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
>> 105 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
>> 106 # are used, so we kludge that here. A bug has been filed at
>> 107 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
>> 108 #
>> 109 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
>> 110 undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
>> 111 predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
>> 112 predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
>> 113 cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
>> 114 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
>> 115
>> 116 cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips)
>> 117 cflags-$(CONFIG_CPU_MICROMIPS) += $(call cc-option,-mmicromips -mno-jals)
111 118
112 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-o 119 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
113 -fno-omit-f 120 -fno-omit-frame-pointer
114 121
115 # Some distribution-specific toolchains might <<
116 # option during the build, which adds a simple <<
117 # of every function. This stack probe is to e <<
118 # stack space, else a SEGV is generated. This <<
119 # as kernel stacks are small, placed in unmapp <<
120 # grow when overflowed. Especially on SGI IP2 <<
121 # lead to a NULL pointer dereference in _raw_s <<
122 # <<
123 # In disassembly, this stack probe appears at <<
124 # sd zero,<offset>(sp) <<
125 # Where <offset> is a negative value. <<
126 # <<
127 cflags-y += -fno-stack-check <<
128 <<
129 # binutils from v2.35 when built with --enable <<
130 # supports an -mfix-loongson3-llsc flag which <<
131 # instruction to work around a CPU bug (see __ <<
132 # for a description). <<
133 # <<
134 # We disable this in order to prevent the asse <<
135 # instruction that labels refer to, ie. if we <<
136 # <<
137 # 1: ll v0, 0(a0) <<
138 # <<
139 # ...then with the assembler fix applied the l <<
140 # instruction inserted by the assembler, and i <<
141 # exception table the table would no longer co <<
142 # instruction. <<
143 # <<
144 # Avoid this by explicitly disabling that asse <<
145 # <<
146 cflags-y += $(call cc-option,-Wa$(comma)-mno-f <<
147 <<
148 # 122 #
149 # CPU-dependent compiler/assembler options for 123 # CPU-dependent compiler/assembler options for optimization.
150 # 124 #
151 cflags-$(CONFIG_CPU_R3000) += $(call cc-o !! 125 cflags-$(CONFIG_CPU_R3000) += -march=r3000
152 cflags-$(CONFIG_CPU_R4300) += $(call cc-o !! 126 cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
153 cflags-$(CONFIG_CPU_R4X00) += $(call cc-o !! 127 cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap
154 cflags-$(CONFIG_CPU_TX49XX) += $(call cc-o !! 128 cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
155 cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips !! 129 cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
156 cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips !! 130 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
157 cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips !! 131 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
158 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips !! 132 cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
159 cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips !! 133 -Wa,-mips32 -Wa,--trap
160 cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips !! 134 cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
161 cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips !! 135 -Wa,-mips32r2 -Wa,--trap
162 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips !! 136 cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
163 cflags-$(CONFIG_CPU_P5600) += $(call cc-o !! 137 -Wa,-mips64 -Wa,--trap
164 -Wa,--trap -modd-spreg !! 138 cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
165 cflags-$(CONFIG_CPU_R5000) += $(call cc-o !! 139 -Wa,-mips64r2 -Wa,--trap
>> 140 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
>> 141 cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
166 -Wa,--trap 142 -Wa,--trap
167 cflags-$(CONFIG_CPU_R5500) += $(call cc-o !! 143 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
168 -Wa,--trap 144 -Wa,--trap
169 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-o !! 145 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
170 -Wa,--trap 146 -Wa,--trap
171 cflags-$(CONFIG_CPU_RM7000) += $(call cc-o !! 147 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
172 -Wa,--trap 148 -Wa,--trap
173 cflags-$(CONFIG_CPU_SB1) += $(call cc-o !! 149 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
174 -Wa,--trap 150 -Wa,--trap
175 cflags-$(CONFIG_CPU_SB1) += $(call cc-o !! 151 cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
176 cflags-$(CONFIG_CPU_SB1) += $(call cc-o !! 152 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
177 cflags-$(CONFIG_CPU_R10000) += $(call cc-o <<
178 -Wa,--trap 153 -Wa,--trap
179 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -march=o !! 154 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
>> 155 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
>> 156 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
>> 157 endif
180 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix- 158 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
181 cflags-$(CONFIG_CPU_BMIPS) += -march=mips !! 159 cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
182 <<
183 cflags-$(CONFIG_CPU_LOONGSON2E) += \ <<
184 $(call cc-option,-marc <<
185 cflags-$(CONFIG_CPU_LOONGSON2F) += \ <<
186 $(call cc-option,-marc <<
187 # Some -march= flags enable MMI instructions, <<
188 # support being enabled alongside -msoft-float <<
189 cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc- <<
190 cflags-$(CONFIG_CPU_LOONGSON64) += \ <<
191 $(call cc-option,-marc <<
192 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-o <<
193 160
194 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(c 161 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
195 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(c 162 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
196 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(c 163 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
197 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS <<
198 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-m <<
199 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,- <<
200 endif <<
201 164
202 # !! 165 ifdef CONFIG_CPU_SB1
203 # Some versions of binutils, not currently mai !! 166 ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
204 # an -mfix-loongson3-llsc flag which emits a s !! 167 KBUILD_AFLAGS_MODULE += -msb1-pass1-workarounds
205 # to work around a CPU bug (see __SYNC_loongso !! 168 KBUILD_CFLAGS_MODULE += -msb1-pass1-workarounds
206 # description). !! 169 endif
207 # !! 170 endif
208 # We disable this in order to prevent the asse <<
209 # instruction that labels refer to, ie. if we <<
210 # <<
211 # 1: ll v0, 0(a0) <<
212 # <<
213 # ...then with the assembler fix applied the l <<
214 # instruction inserted by the assembler, and i <<
215 # exception table the table would no longer co <<
216 # instruction. <<
217 # <<
218 # Avoid this by explicitly disabling that asse <<
219 # binutils does not merge support for the flag <<
220 # this later - for now it ensures vendor toolc <<
221 # <<
222 cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-o <<
223 <<
224 # For smartmips configurations, there are hund <<
225 # in assembly and header files. smartmips is o <<
226 # and there is no support for 64-bit. Various <<
227 # similar directives in the kernel will spam t <<
228 # Warning: the `smartmips' extension requires <<
229 # or <<
230 # Warning: the 64-bit MIPS architecture does n <<
231 # Pass -Wa,--no-warn to disable all assembler <<
232 # been fixed properly. <<
233 mips-cflags := $(c <<
234 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) <<
235 smartmips-ase := $(c <<
236 cflags-$(smartmips-ase) += -ms <<
237 endif <<
238 ifeq ($(CONFIG_CPU_MICROMIPS),y) <<
239 micromips-ase := $(c <<
240 cflags-$(micromips-ase) += -mm <<
241 endif <<
242 ifeq ($(CONFIG_CPU_HAS_MSA),y) <<
243 toolchain-msa := $(c <<
244 cflags-$(toolchain-msa) += -DT <<
245 endif <<
246 toolchain-virt := $(c <<
247 cflags-$(toolchain-virt) += -DT <<
248 # For -mmicromips, use -Wa,-fatal-warnings to <<
249 # only warns <<
250 xpa-cflags-y := $(m <<
251 xpa-cflags-$(micromips-ase) += -mm <<
252 toolchain-xpa := $(c <<
253 cflags-$(toolchain-xpa) += -DT <<
254 toolchain-crc := $(c <<
255 cflags-$(toolchain-crc) += -DT <<
256 toolchain-dsp := $(c <<
257 cflags-$(toolchain-dsp) += -DT <<
258 toolchain-ginv := $(c <<
259 cflags-$(toolchain-ginv) += -DT <<
260 171
261 # 172 #
262 # Firmware support 173 # Firmware support
263 # 174 #
264 libs-$(CONFIG_FW_ARC) += arch/mips/f 175 libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
265 libs-$(CONFIG_FW_CFE) += arch/mips/f 176 libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
266 libs-$(CONFIG_FW_SNIPROM) += arch/mips/f 177 libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
267 libs-y += arch/mips/f 178 libs-y += arch/mips/fw/lib/
268 179
269 # 180 #
270 # Kernel compression 181 # Kernel compression
271 # 182 #
272 ifdef CONFIG_SYS_SUPPORTS_ZBOOT !! 183 ifdef SYS_SUPPORTS_ZBOOT
273 COMPRESSION_FNAME = vmlinuz 184 COMPRESSION_FNAME = vmlinuz
274 else 185 else
275 COMPRESSION_FNAME = vmlinux 186 COMPRESSION_FNAME = vmlinux
276 endif 187 endif
277 188
278 # 189 #
279 # Board-dependent options and extra files 190 # Board-dependent options and extra files
280 # 191 #
281 include $(srctree)/arch/mips/Kbuild.platforms 192 include $(srctree)/arch/mips/Kbuild.platforms
282 193
283 ifdef CONFIG_PHYSICAL_START 194 ifdef CONFIG_PHYSICAL_START
284 load-y = $(CO 195 load-y = $(CONFIG_PHYSICAL_START)
285 endif 196 endif
286 197
287 entry-y = $(shell $(ob <<
288 cflags-y += -I$(srctree 198 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
289 drivers-$(CONFIG_PCI) += arch/mips/p 199 drivers-$(CONFIG_PCI) += arch/mips/pci/
290 200
291 # 201 #
292 # Automatically detect the build format. By de 202 # Automatically detect the build format. By default we choose
293 # the elf format according to the load address 203 # the elf format according to the load address.
294 # We can always force a build with a 64-bits s 204 # We can always force a build with a 64-bits symbol format by
295 # passing 'KBUILD_SYM32=no' option to the make 205 # passing 'KBUILD_SYM32=no' option to the make's command line.
296 # 206 #
297 ifdef CONFIG_64BIT 207 ifdef CONFIG_64BIT
298 ifndef KBUILD_SYM32 208 ifndef KBUILD_SYM32
299 ifeq ($(shell expr $(load-y) \< 0xffffffff 209 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
300 KBUILD_SYM32 = $(call cc-option-yn, -msy !! 210 KBUILD_SYM32 = y
301 endif 211 endif
302 endif 212 endif
303 213
304 ifeq ($(KBUILD_SYM32), y) !! 214 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
305 cflags-$(KBUILD_SYM32) += -msym32 -DKBUILD !! 215 cflags-y += -msym32 -DKBUILD_64BIT_SYM32
306 else 216 else
307 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) 217 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
308 $(error CONFIG_CPU_DADDI_WORKAROUNDS uns 218 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
309 endif 219 endif
310 endif 220 endif
311 endif 221 endif
312 222
313 # When linking a 32-bit executable the LLVM li <<
314 # 32-bit load address that has been sign-exten <<
315 # remove the upper 32 bits then, as it is safe <<
316 # linkers. <<
317 ifdef CONFIG_64BIT <<
318 load-ld = $(load-y) <<
319 else <<
320 load-ld = $(subst 0xff <<
321 endif <<
322 <<
323 KBUILD_AFLAGS += $(cflags-y) 223 KBUILD_AFLAGS += $(cflags-y)
324 KBUILD_CFLAGS += $(cflags-y) 224 KBUILD_CFLAGS += $(cflags-y)
325 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(lo !! 225 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
326 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoff 226 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
327 227
328 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load- !! 228 LDFLAGS += -m $(ld-emul)
329 LINKER_LOAD_ADDRESS=$(load-l !! 229
330 VMLINUX_ENTRY_ADDRESS=$(entr !! 230 ifdef CONFIG_MIPS
331 PLATFORM="$(platform-y)" \ !! 231 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
332 ITS_INPUTS="$(its-y)" !! 232 egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
333 ifdef CONFIG_32BIT !! 233 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/")
334 bootvars-y += ADDR_BITS=32 <<
335 endif <<
336 ifdef CONFIG_64BIT 234 ifdef CONFIG_64BIT
337 bootvars-y += ADDR_BITS=64 !! 235 CHECKFLAGS += -m64
338 endif 236 endif
339 <<
340 # This is required to get dwarf unwinding tabl <<
341 # instead of .eh_frame so we don't discard the <<
342 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl <<
343 <<
344 KBUILD_LDFLAGS += -m $(ld-emul) <<
345 <<
346 ifdef need-compiler <<
347 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) <<
348 grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL <<
349 sed -e "s/^\#define /-D'/" -e "s/ /'=' <<
350 endif 237 endif
351 238
352 OBJCOPYFLAGS += --remove-section=.r 239 OBJCOPYFLAGS += --remove-section=.reginfo
353 240
>> 241 head-y := arch/mips/kernel/head.o
>> 242
354 libs-y += arch/mips/lib/ 243 libs-y += arch/mips/lib/
355 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/ma <<
356 244
357 drivers-y += arch/mips/c !! 245 # See arch/mips/Kbuild for content of core part of the kernel
>> 246 core-y += arch/mips/
>> 247
>> 248 drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
358 249
359 # suspend and hibernation support 250 # suspend and hibernation support
360 drivers-$(CONFIG_PM) += arch/mips/power/ 251 drivers-$(CONFIG_PM) += arch/mips/power/
361 252
362 # boot image targets (arch/mips/boot/) !! 253 ifdef CONFIG_LASAT
363 boot-y := vmlinux.bin !! 254 rom.bin rom.sw: vmlinux
364 boot-y += vmlinux.ecoff !! 255 $(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
365 boot-y += vmlinux.srec !! 256 endif
366 boot-y += uImage <<
367 boot-y += uImage.bin <<
368 boot-y += uImage.bz2 <<
369 boot-y += uImage.gz <<
370 boot-y += uImage.lzma <<
371 boot-y += uImage.lzo <<
372 boot-y += vmlinux.itb <<
373 boot-y += vmlinux.gz.itb <<
374 boot-y += vmlinux.bz2.itb <<
375 boot-y += vmlinux.lzma.itb <<
376 boot-y += vmlinux.lzo.itb <<
377 <<
378 # compressed boot image targets (arch/mips/boo <<
379 bootz-y := vmlinuz <<
380 bootz-y += vmlinuz.bin <<
381 bootz-y += vmlinuz.ecoff <<
382 bootz-y += vmlinuz.srec <<
383 bootz-y += uzImage.bin <<
384 bootz-y += vmlinuz.itb <<
385 257
386 # 258 #
387 # Some machines like the Indy need 32-bit ELF 259 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
388 # Other need ECOFF, so we build a 32-bit ELF b 260 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
389 # convert to ECOFF using elf2ecoff. 261 # convert to ECOFF using elf2ecoff.
390 # 262 #
391 quiet_cmd_32 = OBJCOPY $@ <<
392 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $( <<
393 vmlinux.32: vmlinux 263 vmlinux.32: vmlinux
394 $(call cmd,32) !! 264 $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 265
>> 266
>> 267 #obj-$(CONFIG_KPROBES) += kprobes.o
395 268
396 # 269 #
397 # The 64-bit ELF tools are pretty broken so at 270 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
398 # ELF files from 32-bit files by conversion. 271 # ELF files from 32-bit files by conversion.
399 # 272 #
400 quiet_cmd_64 = OBJCOPY $@ <<
401 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $( <<
402 vmlinux.64: vmlinux 273 vmlinux.64: vmlinux
403 $(call cmd,64) !! 274 $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
404 275
405 all: $(all-y) $(KBUILD_DTBS) !! 276 all: $(all-y)
406 277
407 # boot 278 # boot
408 $(boot-y): $(vmlinux-32) FORCE !! 279 vmlinux.bin vmlinux.ecoff vmlinux.srec: $(vmlinux-32) FORCE
409 $(Q)$(MAKE) $(build)=arch/mips/boot VM !! 280 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) arch/mips/boot/$@
410 $(bootvars-y) arch/mips/boot/$ <<
411 281
412 ifdef CONFIG_SYS_SUPPORTS_ZBOOT <<
413 # boot/compressed 282 # boot/compressed
414 $(bootz-y): $(vmlinux-32) FORCE !! 283 vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec: $(vmlinux-32) FORCE
415 $(Q)$(MAKE) $(build)=arch/mips/boot/co 284 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
416 $(bootvars-y) 32bit-bfd=$(32bi !! 285 VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $@
417 else <<
418 vmlinuz: FORCE <<
419 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is <<
420 /bin/false <<
421 endif <<
422 286
423 287
424 CLEAN_FILES += vmlinux.32 vmlinux.64 288 CLEAN_FILES += vmlinux.32 vmlinux.64
425 289
426 # device-trees <<
427 core-y += arch/mips/boot/dts/ <<
428 <<
429 archprepare: 290 archprepare:
430 ifdef CONFIG_MIPS32_N32 291 ifdef CONFIG_MIPS32_N32
431 @$(kecho) ' Checking missing-syscalls !! 292 @echo ' Checking missing-syscalls for N32'
432 $(Q)$(MAKE) $(build)=. missing-syscall 293 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
433 endif 294 endif
434 ifdef CONFIG_MIPS32_O32 295 ifdef CONFIG_MIPS32_O32
435 @$(kecho) ' Checking missing-syscalls !! 296 @echo ' Checking missing-syscalls for O32'
436 $(Q)$(MAKE) $(build)=. missing-syscall 297 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
437 endif 298 endif
438 299
439 install: 300 install:
440 $(Q)install -D -m 755 vmlinux $(INSTAL 301 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
441 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 302 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
442 $(Q)install -D -m 755 vmlinuz $(INSTAL 303 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
443 endif 304 endif
444 $(Q)install -D -m 644 .config $(INSTAL 305 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
445 $(Q)install -D -m 644 System.map $(INS 306 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
446 307
447 archheaders: !! 308 archclean:
448 $(Q)$(MAKE) $(build)=arch/mips/kernel/ !! 309 $(Q)$(MAKE) $(clean)=arch/mips/boot
>> 310 $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
>> 311 $(Q)$(MAKE) $(clean)=arch/mips/lasat
449 312
450 define archhelp 313 define archhelp
451 echo ' install - install 314 echo ' install - install kernel into $(INSTALL_PATH)'
452 echo ' vmlinux.ecoff - ECOFF b 315 echo ' vmlinux.ecoff - ECOFF boot image'
453 echo ' vmlinux.bin - Raw bin 316 echo ' vmlinux.bin - Raw binary boot image'
454 echo ' vmlinux.srec - SREC bo 317 echo ' vmlinux.srec - SREC boot image'
455 echo ' vmlinux.32 - 64-bit <<
456 echo ' vmlinuz - Compres 318 echo ' vmlinuz - Compressed boot(zboot) image'
457 echo ' vmlinuz.ecoff - ECOFF z 319 echo ' vmlinuz.ecoff - ECOFF zboot image'
458 echo ' vmlinuz.bin - Raw bin 320 echo ' vmlinuz.bin - Raw binary zboot image'
459 echo ' vmlinuz.srec - SREC zb 321 echo ' vmlinuz.srec - SREC zboot image'
460 echo ' uImage - U-Boot <<
461 echo ' uImage.bin - U-Boot <<
462 echo ' uImage.bz2 - U-Boot <<
463 echo ' uImage.gz - U-Boot <<
464 echo ' uImage.lzma - U-Boot <<
465 echo ' uImage.lzo - U-Boot <<
466 echo ' uzImage.bin - U-Boot <<
467 echo 322 echo
468 echo ' These will be default as appro 323 echo ' These will be default as appropriate for a configured platform.'
469 echo <<
470 echo ' If you are targeting a system <<
471 echo ' configure the kernel for a giv <<
472 echo <<
473 echo ' {micro32,32,64}{r1,r2,r6}{el,} <<
474 echo <<
475 echo ' Where BOARDS is some subset of <<
476 for board in $(sort $(BOARDS)); do ech <<
477 echo <<
478 echo ' Specifically the following gen <<
479 echo ' supported:' <<
480 echo <<
481 $(foreach cfg,$(generic_defconfigs), <<
482 printf " %-24s - Build generic kern <<
483 echo <<
484 echo ' The following legacy default c <<
485 echo ' generic and can still be used: <<
486 echo <<
487 $(foreach cfg,$(sort $(legacy_defconfi <<
488 printf " %-24s - Build $($(cfg)-y)\ <<
489 echo <<
490 echo ' Otherwise, the following defau <<
491 endef <<
492 <<
493 generic_config_dir = $(srctree)/arch/$(ARCH)/c <<
494 generic_defconfigs := <<
495 <<
496 # <<
497 # If the user generates a generic kernel confi <<
498 # list of boards to include the config fragmen <<
499 # available board config fragments. <<
500 # <<
501 ifeq ($(BOARDS),) <<
502 BOARDS = $(patsubst board-%.config,%,$(notdir <<
503 endif <<
504 <<
505 # <<
506 # Generic kernel configurations which merge ge <<
507 # appropriate config fragments from arch/mips/ <<
508 # the ability to easily configure the kernel f <<
509 # endianness & set of boards without duplicati <<
510 # hundreds of defconfig files. <<
511 # <<
512 define gen_generic_defconfigs <<
513 $(foreach bits,$(1),$(foreach rev,$(2),$(forea <<
514 target := $(bits)$(rev)$(filter el,$(endian))_ <<
515 generic_defconfigs += $$(target) <<
516 $$(target): $(generic_config_dir)/$(bits)$(rev <<
517 $$(target): $(generic_config_dir)/$(endian).co <<
518 ))) <<
519 endef 324 endef
520 <<
521 $(eval $(call gen_generic_defconfigs,32 64,r1 <<
522 $(eval $(call gen_generic_defconfigs,micro32,r <<
523 <<
524 define describe_generic_defconfig <<
525 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(su <<
526 endef <<
527 <<
528 .PHONY: $(generic_defconfigs) <<
529 $(generic_defconfigs): <<
530 $(Q)$(CONFIG_SHELL) $(srctree)/scripts <<
531 -m -O $(objtree) $(srctree)/ar <<
532 grep -Ev '^#' <<
533 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.c <<
534 $(Q)$(MAKE) -f $(srctree)/Makefile old <<
535 KCONFIG_CONFIG=$(objtree)/.con <<
536 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$( <<
537 $(srctree) $(objtree) $(objtre <<
538 "$(origin BOARDS)" $(BOARDS) <<
539 $(Q)$(MAKE) -f $(srctree)/Makefile old <<
540 <<
541 # <<
542 # Prevent generic merge_config rules attemptin <<
543 # <<
544 $(generic_config_dir)/%.config: ; <<
545 <<
546 # <<
547 # Prevent direct use of generic_defconfig, whi <<
548 # basis of the various ISA-specific targets ge <<
549 # <<
550 .PHONY: generic_defconfig <<
551 generic_defconfig: <<
552 $(Q)echo "generic_defconfig is not int <<
553 $(Q)echo "used via an ISA-specific tar <<
554 $(Q)echo <<
555 $(Q)for cfg in $(generic_defconfigs); <<
556 $(Q)echo <<
557 $(Q)false <<
558 <<
559 # <<
560 # Legacy defconfig compatibility - these targe <<
561 # now that the boards have been converted to u <<
562 # wrappers around the generic rules above. <<
563 # <<
564 legacy_defconfigs += ocelot_defc <<
565 ocelot_defconfig-y := 32r2el_defc <<
566 <<
567 legacy_defconfigs += sead3_defco <<
568 sead3_defconfig-y := 32r2el_defc <<
569 <<
570 legacy_defconfigs += sead3micro_ <<
571 sead3micro_defconfig-y := micro32r2el <<
572 <<
573 legacy_defconfigs += xilfpga_def <<
574 xilfpga_defconfig-y := 32r2el_defc <<
575 <<
576 legacy_defconfigs += pistachio_d <<
577 pistachio_defconfig-y := 32r2el_defc <<
578 <<
579 .PHONY: $(legacy_defconfigs) <<
580 $(legacy_defconfigs): <<
581 $(Q)$(MAKE) -f $(srctree)/Makefile $($ <<
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