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1 #
2 # This file is subject to the terms and conditions of the GNU General Public
3 # License. See the file "COPYING" in the main directory of this archive
4 # for more details.
5 #
6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
7 # DECStation modifications by Paul M. Antoine, 1996
8 # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
9 #
10 # This file is included by the global makefile so that you can add your own
11 # architecture-specific flags and dependencies. Remember to do have actions
12 # for "archclean" cleaning up for this architecture.
13 #
14
15 KBUILD_DEFCONFIG := ip22_defconfig
16
17 cflags-y := -ffunction-sections
18
19 #
20 # Select the object file format to substitute into the linker script.
21 #
22 ifdef CONFIG_CPU_LITTLE_ENDIAN
23 32bit-tool-archpref = mipsel
24 64bit-tool-archpref = mips64el
25 32bit-bfd = elf32-tradlittlemips
26 64bit-bfd = elf64-tradlittlemips
27 32bit-emul = elf32ltsmip
28 64bit-emul = elf64ltsmip
29 else
30 32bit-tool-archpref = mips
31 64bit-tool-archpref = mips64
32 32bit-bfd = elf32-tradbigmips
33 64bit-bfd = elf64-tradbigmips
34 32bit-emul = elf32btsmip
35 64bit-emul = elf64btsmip
36 endif
37
38 ifdef CONFIG_32BIT
39 tool-archpref = $(32bit-tool-archpref)
40 UTS_MACHINE := mips
41 endif
42 ifdef CONFIG_64BIT
43 tool-archpref = $(64bit-tool-archpref)
44 UTS_MACHINE := mips64
45 endif
46
47 ifneq ($(SUBARCH),$(ARCH))
48 ifeq ($(CROSS_COMPILE),)
49 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
50 endif
51 endif
52
53 ifdef CONFIG_32BIT
54 ld-emul = $(32bit-emul)
55 vmlinux-32 = vmlinux
56 vmlinux-64 = vmlinux.64
57
58 cflags-y += -mabi=32
59 endif
60
61 ifdef CONFIG_64BIT
62 ld-emul = $(64bit-emul)
63 vmlinux-32 = vmlinux.32
64 vmlinux-64 = vmlinux
65
66 cflags-y += -mabi=64
67 endif
68
69 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
70 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
71
72 #
73 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
74 # code since it only slows down the whole thing. At some point we might make
75 # use of global pointer optimizations but their use of $28 conflicts with
76 # the current pointer optimization.
77 #
78 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
79 # machines may also. Since BFD is incredibly buggy with respect to
80 # crossformat linking we rely on the elf2ecoff tool for format conversion.
81 #
82 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
83 cflags-y += -msoft-float
84 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
85 MODFLAGS += -mlong-calls
86
87 cflags-y += -ffreestanding
88
89 #
90 # We explicitly add the endianness specifier if needed, this allows
91 # to compile kernels with a toolchain for the other endianness. We
92 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
93 # when fed the toolchain default!
94 #
95 # Certain gcc versions upto gcc 4.1.1 (probably 4.2-subversion as of
96 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
97 # are used, so we kludge that here. A bug has been filed at
98 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
99 #
100 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
101 undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
102 predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
103 predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
104 cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
105 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
106
107 cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips)
108
109 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
110 -fno-omit-frame-pointer
111
112 #
113 # CPU-dependent compiler/assembler options for optimization.
114 #
115 cflags-$(CONFIG_CPU_R3000) += -march=r3000
116 cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
117 cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap
118 cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
119 cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
120 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
121 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
122 cflags-$(CONFIG_CPU_LOONGSON2) += -march=r4600 -Wa,--trap
123 cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
124 -Wa,-mips32 -Wa,--trap
125 cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
126 -Wa,-mips32r2 -Wa,--trap
127 cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
128 -Wa,-mips64 -Wa,--trap
129 cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
130 -Wa,-mips64r2 -Wa,--trap
131 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
132 cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
133 -Wa,--trap
134 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
135 -Wa,--trap
136 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
137 -Wa,--trap
138 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
139 -Wa,--trap
140 cflags-$(CONFIG_CPU_RM9000) += $(call cc-option,-march=rm9000,-march=r5000) \
141 -Wa,--trap
142 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
143 -Wa,--trap
144 cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
145 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
146 -Wa,--trap
147 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
148 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
149 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
150 endif
151
152 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
153 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
154 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
155
156 ifdef CONFIG_CPU_SB1
157 ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
158 MODFLAGS += -msb1-pass1-workarounds
159 endif
160 endif
161
162 #
163 # Firmware support
164 #
165 libs-$(CONFIG_ARC) += arch/mips/fw/arc/
166 libs-$(CONFIG_CFE) += arch/mips/fw/cfe/
167 libs-$(CONFIG_SNIPROM) += arch/mips/fw/sni/
168 libs-y += arch/mips/fw/lib/
169 libs-$(CONFIG_SIBYTE_CFE) += arch/mips/sibyte/cfe/
170
171 #
172 # Board-dependent options and extra files
173 #
174
175 #
176 # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
177 #
178 core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/
179 cflags-$(CONFIG_MACH_JAZZ) += -I$(srctree)/arch/mips/include/asm/mach-jazz
180 load-$(CONFIG_MACH_JAZZ) += 0xffffffff80080000
181
182 #
183 # Common Alchemy Au1x00 stuff
184 #
185 core-$(CONFIG_SOC_AU1X00) += arch/mips/alchemy/common/
186 cflags-$(CONFIG_SOC_AU1X00) += -I$(srctree)/arch/mips/include/asm/mach-au1x00
187
188 #
189 # AMD Alchemy Pb1000 eval board
190 #
191 core-$(CONFIG_MIPS_PB1000) += arch/mips/alchemy/devboards/
192 cflags-$(CONFIG_MIPS_PB1000) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
193 load-$(CONFIG_MIPS_PB1000) += 0xffffffff80100000
194
195 #
196 # AMD Alchemy Pb1100 eval board
197 #
198 core-$(CONFIG_MIPS_PB1100) += arch/mips/alchemy/devboards/
199 cflags-$(CONFIG_MIPS_PB1100) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
200 load-$(CONFIG_MIPS_PB1100) += 0xffffffff80100000
201
202 #
203 # AMD Alchemy Pb1500 eval board
204 #
205 core-$(CONFIG_MIPS_PB1500) += arch/mips/alchemy/devboards/
206 cflags-$(CONFIG_MIPS_PB1500) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
207 load-$(CONFIG_MIPS_PB1500) += 0xffffffff80100000
208
209 #
210 # AMD Alchemy Pb1550 eval board
211 #
212 core-$(CONFIG_MIPS_PB1550) += arch/mips/alchemy/devboards/
213 cflags-$(CONFIG_MIPS_PB1550) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
214 load-$(CONFIG_MIPS_PB1550) += 0xffffffff80100000
215
216 #
217 # AMD Alchemy Pb1200 eval board
218 #
219 core-$(CONFIG_MIPS_PB1200) += arch/mips/alchemy/devboards/
220 cflags-$(CONFIG_MIPS_PB1200) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
221 load-$(CONFIG_MIPS_PB1200) += 0xffffffff80100000
222
223 #
224 # AMD Alchemy Db1000 eval board
225 #
226 core-$(CONFIG_MIPS_DB1000) += arch/mips/alchemy/devboards/
227 cflags-$(CONFIG_MIPS_DB1000) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
228 load-$(CONFIG_MIPS_DB1000) += 0xffffffff80100000
229
230 #
231 # AMD Alchemy Db1100 eval board
232 #
233 core-$(CONFIG_MIPS_DB1100) += arch/mips/alchemy/devboards/
234 cflags-$(CONFIG_MIPS_DB1100) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
235 load-$(CONFIG_MIPS_DB1100) += 0xffffffff80100000
236
237 #
238 # AMD Alchemy Db1500 eval board
239 #
240 core-$(CONFIG_MIPS_DB1500) += arch/mips/alchemy/devboards/
241 cflags-$(CONFIG_MIPS_DB1500) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
242 load-$(CONFIG_MIPS_DB1500) += 0xffffffff80100000
243
244 #
245 # AMD Alchemy Db1550 eval board
246 #
247 core-$(CONFIG_MIPS_DB1550) += arch/mips/alchemy/devboards/
248 cflags-$(CONFIG_MIPS_DB1550) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
249 load-$(CONFIG_MIPS_DB1550) += 0xffffffff80100000
250
251 #
252 # AMD Alchemy Db1200 eval board
253 #
254 core-$(CONFIG_MIPS_DB1200) += arch/mips/alchemy/devboards/
255 cflags-$(CONFIG_MIPS_DB1200) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
256 load-$(CONFIG_MIPS_DB1200) += 0xffffffff80100000
257
258 #
259 # AMD Alchemy Bosporus eval board
260 #
261 core-$(CONFIG_MIPS_BOSPORUS) += arch/mips/alchemy/devboards/
262 cflags-$(CONFIG_MIPS_BOSPORUS) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
263 load-$(CONFIG_MIPS_BOSPORUS) += 0xffffffff80100000
264
265 #
266 # AMD Alchemy Mirage eval board
267 #
268 core-$(CONFIG_MIPS_MIRAGE) += arch/mips/alchemy/devboards/
269 cflags-$(CONFIG_MIPS_MIRAGE) += -I$(srctree)/arch/mips/include/asm/mach-db1x00
270 load-$(CONFIG_MIPS_MIRAGE) += 0xffffffff80100000
271
272 #
273 # 4G-Systems eval board
274 #
275 libs-$(CONFIG_MIPS_MTX1) += arch/mips/alchemy/mtx-1/
276 load-$(CONFIG_MIPS_MTX1) += 0xffffffff80100000
277
278 #
279 # MyCable eval board
280 #
281 libs-$(CONFIG_MIPS_XXS1500) += arch/mips/alchemy/xxs1500/
282 load-$(CONFIG_MIPS_XXS1500) += 0xffffffff80100000
283
284 #
285 # Cobalt Server
286 #
287 core-$(CONFIG_MIPS_COBALT) += arch/mips/cobalt/
288 cflags-$(CONFIG_MIPS_COBALT) += -I$(srctree)/arch/mips/include/asm/mach-cobalt
289 load-$(CONFIG_MIPS_COBALT) += 0xffffffff80080000
290
291 #
292 # DECstation family
293 #
294 core-$(CONFIG_MACH_DECSTATION) += arch/mips/dec/
295 cflags-$(CONFIG_MACH_DECSTATION)+= -I$(srctree)/arch/mips/include/asm/mach-dec
296 libs-$(CONFIG_MACH_DECSTATION) += arch/mips/dec/prom/
297 load-$(CONFIG_MACH_DECSTATION) += 0xffffffff80040000
298
299 #
300 # Wind River PPMC Board (4KC + GT64120)
301 #
302 core-$(CONFIG_WR_PPMC) += arch/mips/gt64120/wrppmc/
303 cflags-$(CONFIG_WR_PPMC) += -I$(srctree)/arch/mips/include/asm/mach-wrppmc
304 load-$(CONFIG_WR_PPMC) += 0xffffffff80100000
305
306 #
307 # lemote fulong mini-PC board
308 #
309 core-$(CONFIG_LEMOTE_FULONG) +=arch/mips/lemote/lm2e/
310 load-$(CONFIG_LEMOTE_FULONG) +=0xffffffff80100000
311 cflags-$(CONFIG_LEMOTE_FULONG) += -I$(srctree)/arch/mips/include/asm/mach-lemote
312
313 #
314 # MIPS Malta board
315 #
316 core-$(CONFIG_MIPS_MALTA) += arch/mips/mti-malta/
317 cflags-$(CONFIG_MIPS_MALTA) += -I$(srctree)/arch/mips/include/asm/mach-malta
318 load-$(CONFIG_MIPS_MALTA) += 0xffffffff80100000
319 all-$(CONFIG_MIPS_MALTA) := vmlinux.bin
320
321 #
322 # MIPS SIM
323 #
324 core-$(CONFIG_MIPS_SIM) += arch/mips/mipssim/
325 cflags-$(CONFIG_MIPS_SIM) += -I$(srctree)/arch/mips/include/asm/mach-mipssim
326 load-$(CONFIG_MIPS_SIM) += 0x80100000
327
328 #
329 # PMC-Sierra MSP SOCs
330 #
331 core-$(CONFIG_PMC_MSP) += arch/mips/pmc-sierra/msp71xx/
332 cflags-$(CONFIG_PMC_MSP) += -I$(srctree)/arch/mips/include/asm/pmc-sierra/msp71xx \
333 -mno-branch-likely
334 load-$(CONFIG_PMC_MSP) += 0xffffffff80100000
335
336 #
337 # PMC-Sierra Yosemite
338 #
339 core-$(CONFIG_PMC_YOSEMITE) += arch/mips/pmc-sierra/yosemite/
340 cflags-$(CONFIG_PMC_YOSEMITE) += -I$(srctree)/arch/mips/include/asm/mach-yosemite
341 load-$(CONFIG_PMC_YOSEMITE) += 0xffffffff80100000
342
343 #
344 # Basler eXcite
345 #
346 core-$(CONFIG_BASLER_EXCITE) += arch/mips/basler/excite/
347 cflags-$(CONFIG_BASLER_EXCITE) += -I$(srctree)/arch/mips/include/asm/mach-excite
348 load-$(CONFIG_BASLER_EXCITE) += 0x80100000
349
350 #
351 # LASAT platforms
352 #
353 core-$(CONFIG_LASAT) += arch/mips/lasat/
354 cflags-$(CONFIG_LASAT) += -I$(srctree)/arch/mips/include/asm/mach-lasat
355 load-$(CONFIG_LASAT) += 0xffffffff80000000
356
357 #
358 # Common VR41xx
359 #
360 core-$(CONFIG_MACH_VR41XX) += arch/mips/vr41xx/common/
361 cflags-$(CONFIG_MACH_VR41XX) += -I$(srctree)/arch/mips/include/asm/mach-vr41xx
362
363 #
364 # ZAO Networks Capcella (VR4131)
365 #
366 load-$(CONFIG_ZAO_CAPCELLA) += 0xffffffff80000000
367
368 #
369 # Victor MP-C303/304 (VR4122)
370 #
371 load-$(CONFIG_VICTOR_MPC30X) += 0xffffffff80001000
372
373 #
374 # IBM WorkPad z50 (VR4121)
375 #
376 core-$(CONFIG_IBM_WORKPAD) += arch/mips/vr41xx/ibm-workpad/
377 load-$(CONFIG_IBM_WORKPAD) += 0xffffffff80004000
378
379 #
380 # CASIO CASSIPEIA E-55/65 (VR4111)
381 #
382 core-$(CONFIG_CASIO_E55) += arch/mips/vr41xx/casio-e55/
383 load-$(CONFIG_CASIO_E55) += 0xffffffff80004000
384
385 #
386 # TANBAC VR4131 multichip module(TB0225) and TANBAC VR4131DIMM(TB0229) (VR4131)
387 #
388 load-$(CONFIG_TANBAC_TB022X) += 0xffffffff80000000
389
390 # NXP STB225
391 core-$(CONFIG_SOC_PNX833X) += arch/mips/nxp/pnx833x/common/
392 cflags-$(CONFIG_SOC_PNX833X) += -Iarch/mips/include/asm/mach-pnx833x
393 libs-$(CONFIG_NXP_STB220) += arch/mips/nxp/pnx833x/stb22x/
394 load-$(CONFIG_NXP_STB220) += 0xffffffff80001000
395 libs-$(CONFIG_NXP_STB225) += arch/mips/nxp/pnx833x/stb22x/
396 load-$(CONFIG_NXP_STB225) += 0xffffffff80001000
397
398 #
399 # Common NXP PNX8550
400 #
401 core-$(CONFIG_SOC_PNX8550) += arch/mips/nxp/pnx8550/common/
402 cflags-$(CONFIG_SOC_PNX8550) += -I$(srctree)/arch/mips/include/asm/mach-pnx8550
403
404 #
405 # NXP PNX8550 JBS board
406 #
407 libs-$(CONFIG_PNX8550_JBS) += arch/mips/nxp/pnx8550/jbs/
408 #cflags-$(CONFIG_PNX8550_JBS) += -I$(srctree)/arch/mips/include/asm/mach-pnx8550
409 load-$(CONFIG_PNX8550_JBS) += 0xffffffff80060000
410
411 # NXP PNX8550 STB810 board
412 #
413 libs-$(CONFIG_PNX8550_STB810) += arch/mips/nxp/pnx8550/stb810/
414 load-$(CONFIG_PNX8550_STB810) += 0xffffffff80060000
415
416 #
417 # Common NEC EMMAXXX
418 #
419 core-$(CONFIG_SOC_EMMA2RH) += arch/mips/emma/common/
420 cflags-$(CONFIG_SOC_EMMA2RH) += -I$(srctree)/arch/mips/include/asm/mach-emma2rh
421
422 #
423 # NEC EMMA2RH Mark-eins
424 #
425 core-$(CONFIG_NEC_MARKEINS) += arch/mips/emma/markeins/
426 load-$(CONFIG_NEC_MARKEINS) += 0xffffffff88100000
427
428 #
429 # SGI IP22 (Indy/Indigo2)
430 #
431 # Set the load address to >= 0xffffffff88069000 if you want to leave space for
432 # symmon, 0xffffffff80002000 for production kernels. Note that the value must
433 # be aligned to a multiple of the kernel stack size or the handling of the
434 # current variable will break so for 64-bit kernels we have to raise the start
435 # address by 8kb.
436 #
437 core-$(CONFIG_SGI_IP22) += arch/mips/sgi-ip22/
438 cflags-$(CONFIG_SGI_IP22) += -I$(srctree)/arch/mips/include/asm/mach-ip22
439 ifdef CONFIG_32BIT
440 load-$(CONFIG_SGI_IP22) += 0xffffffff88002000
441 endif
442 ifdef CONFIG_64BIT
443 load-$(CONFIG_SGI_IP22) += 0xffffffff88004000
444 endif
445
446 #
447 # SGI-IP27 (Origin200/2000)
448 #
449 # Set the load address to >= 0xc000000000300000 if you want to leave space for
450 # symmon, 0xc00000000001c000 for production kernels. Note that the value must
451 # be 16kb aligned or the handling of the current variable will break.
452 #
453 ifdef CONFIG_SGI_IP27
454 core-$(CONFIG_SGI_IP27) += arch/mips/sgi-ip27/
455 cflags-$(CONFIG_SGI_IP27) += -I$(srctree)/arch/mips/include/asm/mach-ip27
456 ifdef CONFIG_MAPPED_KERNEL
457 load-$(CONFIG_SGI_IP27) += 0xc00000004001c000
458 OBJCOPYFLAGS := --change-addresses=0x3fffffff80000000
459 dataoffset-$(CONFIG_SGI_IP27) += 0x01000000
460 else
461 load-$(CONFIG_SGI_IP27) += 0xa80000000001c000
462 OBJCOPYFLAGS := --change-addresses=0x57ffffff80000000
463 endif
464 endif
465
466 #
467 # SGI IP28 (Indigo2 R10k)
468 #
469 # Set the load address to >= 0xa800000020080000 if you want to leave space for
470 # symmon, 0xa800000020004000 for production kernels ? Note that the value must
471 # be 16kb aligned or the handling of the current variable will break.
472 # Simplified: what IP22 does at 128MB+ in ksegN, IP28 does at 512MB+ in xkphys
473 #
474 ifdef CONFIG_SGI_IP28
475 ifeq ($(call cc-option-yn,-mr10k-cache-barrier=1), n)
476 $(error gcc doesn't support needed option -mr10k-cache-barrier=1)
477 endif
478 endif
479 core-$(CONFIG_SGI_IP28) += arch/mips/sgi-ip22/
480 cflags-$(CONFIG_SGI_IP28) += -mr10k-cache-barrier=1 -I$(srctree)/arch/mips/include/asm/mach-ip28
481 load-$(CONFIG_SGI_IP28) += 0xa800000020004000
482
483 #
484 # SGI-IP32 (O2)
485 #
486 # Set the load address to >= 80069000 if you want to leave space for symmon,
487 # 0xffffffff80004000 for production kernels. Note that the value must be aligned to
488 # a multiple of the kernel stack size or the handling of the current variable
489 # will break.
490 #
491 core-$(CONFIG_SGI_IP32) += arch/mips/sgi-ip32/
492 cflags-$(CONFIG_SGI_IP32) += -I$(srctree)/arch/mips/include/asm/mach-ip32
493 load-$(CONFIG_SGI_IP32) += 0xffffffff80004000
494
495 #
496 # Sibyte SB1250/BCM1480 SOC
497 #
498 # This is a LIB so that it links at the end, and initcalls are later
499 # the sequence; but it is built as an object so that modules don't get
500 # removed (as happens, even if they have __initcall/module_init)
501 #
502 core-$(CONFIG_SIBYTE_BCM112X) += arch/mips/sibyte/sb1250/
503 core-$(CONFIG_SIBYTE_BCM112X) += arch/mips/sibyte/common/
504 cflags-$(CONFIG_SIBYTE_BCM112X) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
505 -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL
506
507 core-$(CONFIG_SIBYTE_SB1250) += arch/mips/sibyte/sb1250/
508 core-$(CONFIG_SIBYTE_SB1250) += arch/mips/sibyte/common/
509 cflags-$(CONFIG_SIBYTE_SB1250) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
510 -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL
511
512 core-$(CONFIG_SIBYTE_BCM1x55) += arch/mips/sibyte/bcm1480/
513 core-$(CONFIG_SIBYTE_BCM1x55) += arch/mips/sibyte/common/
514 cflags-$(CONFIG_SIBYTE_BCM1x55) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
515 -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL
516
517 core-$(CONFIG_SIBYTE_BCM1x80) += arch/mips/sibyte/bcm1480/
518 core-$(CONFIG_SIBYTE_BCM1x80) += arch/mips/sibyte/common/
519 cflags-$(CONFIG_SIBYTE_BCM1x80) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
520 -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL
521
522 #
523 # Sibyte BCM91120x (Carmel) board
524 # Sibyte BCM91120C (CRhine) board
525 # Sibyte BCM91125C (CRhone) board
526 # Sibyte BCM91125E (Rhone) board
527 # Sibyte SWARM board
528 # Sibyte BCM91x80 (BigSur) board
529 #
530 core-$(CONFIG_SIBYTE_CARMEL) += arch/mips/sibyte/swarm/
531 load-$(CONFIG_SIBYTE_CARMEL) := 0xffffffff80100000
532 core-$(CONFIG_SIBYTE_CRHINE) += arch/mips/sibyte/swarm/
533 load-$(CONFIG_SIBYTE_CRHINE) := 0xffffffff80100000
534 core-$(CONFIG_SIBYTE_CRHONE) += arch/mips/sibyte/swarm/
535 load-$(CONFIG_SIBYTE_CRHONE) := 0xffffffff80100000
536 core-$(CONFIG_SIBYTE_RHONE) += arch/mips/sibyte/swarm/
537 load-$(CONFIG_SIBYTE_RHONE) := 0xffffffff80100000
538 core-$(CONFIG_SIBYTE_SENTOSA) += arch/mips/sibyte/swarm/
539 load-$(CONFIG_SIBYTE_SENTOSA) := 0xffffffff80100000
540 core-$(CONFIG_SIBYTE_SWARM) += arch/mips/sibyte/swarm/
541 load-$(CONFIG_SIBYTE_SWARM) := 0xffffffff80100000
542 core-$(CONFIG_SIBYTE_BIGSUR) += arch/mips/sibyte/swarm/
543 load-$(CONFIG_SIBYTE_BIGSUR) := 0xffffffff80100000
544
545 #
546 # Broadcom BCM47XX boards
547 #
548 core-$(CONFIG_BCM47XX) += arch/mips/bcm47xx/
549 cflags-$(CONFIG_BCM47XX) += -I$(srctree)/arch/mips/include/asm/mach-bcm47xx
550 load-$(CONFIG_BCM47XX) := 0xffffffff80001000
551
552 #
553 # SNI RM
554 #
555 core-$(CONFIG_SNI_RM) += arch/mips/sni/
556 cflags-$(CONFIG_SNI_RM) += -I$(srctree)/arch/mips/include/asm/mach-rm
557 ifdef CONFIG_CPU_LITTLE_ENDIAN
558 load-$(CONFIG_SNI_RM) += 0xffffffff80600000
559 else
560 load-$(CONFIG_SNI_RM) += 0xffffffff80030000
561 endif
562 all-$(CONFIG_SNI_RM) := vmlinux.ecoff
563
564 #
565 # Common TXx9
566 #
567 core-$(CONFIG_MACH_TX39XX) += arch/mips/txx9/generic/
568 cflags-$(CONFIG_MACH_TX39XX) += -I$(srctree)/arch/mips/include/asm/mach-tx39xx
569 load-$(CONFIG_MACH_TX39XX) += 0xffffffff80050000
570 core-$(CONFIG_MACH_TX49XX) += arch/mips/txx9/generic/
571 cflags-$(CONFIG_MACH_TX49XX) += -I$(srctree)/arch/mips/include/asm/mach-tx49xx
572 load-$(CONFIG_MACH_TX49XX) += 0xffffffff80100000
573
574 #
575 # Toshiba JMR-TX3927 board
576 #
577 core-$(CONFIG_TOSHIBA_JMR3927) += arch/mips/txx9/jmr3927/
578
579 #
580 # Routerboard 532 board
581 #
582 core-$(CONFIG_MIKROTIK_RB532) += arch/mips/rb532/
583 cflags-$(CONFIG_MIKROTIK_RB532) += -I$(srctree)/arch/mips/include/asm/mach-rc32434
584 load-$(CONFIG_MIKROTIK_RB532) += 0xffffffff80101000
585
586 #
587 # Toshiba RBTX49XX boards
588 #
589 core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/txx9/rbtx4927/
590 core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/rbtx4938/
591 core-$(CONFIG_TOSHIBA_RBTX4939) += arch/mips/txx9/rbtx4939/
592
593 #
594 # Cavium Octeon
595 #
596 core-$(CONFIG_CPU_CAVIUM_OCTEON) += arch/mips/cavium-octeon/
597 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -I$(srctree)/arch/mips/include/asm/mach-cavium-octeon
598 core-$(CONFIG_CPU_CAVIUM_OCTEON) += arch/mips/cavium-octeon/executive/
599 ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL
600 load-$(CONFIG_CPU_CAVIUM_OCTEON) += 0xffffffff84100000
601 else
602 load-$(CONFIG_CPU_CAVIUM_OCTEON) += 0xffffffff81100000
603 endif
604
605 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
606 drivers-$(CONFIG_PCI) += arch/mips/pci/
607
608 ifdef CONFIG_32BIT
609 ifdef CONFIG_CPU_LITTLE_ENDIAN
610 JIFFIES = jiffies_64
611 else
612 JIFFIES = jiffies_64 + 4
613 endif
614 else
615 JIFFIES = jiffies_64
616 endif
617
618 #
619 # Automatically detect the build format. By default we choose
620 # the elf format according to the load address.
621 # We can always force a build with a 64-bits symbol format by
622 # passing 'KBUILD_SYM32=no' option to the make's command line.
623 #
624 ifdef CONFIG_64BIT
625 ifndef KBUILD_SYM32
626 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
627 KBUILD_SYM32 = y
628 endif
629 endif
630
631 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
632 cflags-y += -msym32 -DKBUILD_64BIT_SYM32
633 else
634 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
635 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
636 endif
637 endif
638 endif
639
640 KBUILD_AFLAGS += $(cflags-y)
641 KBUILD_CFLAGS += $(cflags-y) \
642 -D"VMLINUX_LOAD_ADDRESS=$(load-y)"
643
644 LDFLAGS += -m $(ld-emul)
645
646 ifdef CONFIG_MIPS
647 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
648 egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
649 sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
650 ifdef CONFIG_64BIT
651 CHECKFLAGS += -m64
652 endif
653 endif
654
655 OBJCOPYFLAGS += --remove-section=.reginfo
656
657 #
658 # Choosing incompatible machines durings configuration will result in
659 # error messages during linking. Select a default linkscript if
660 # none has been choosen above.
661 #
662
663 CPPFLAGS_vmlinux.lds := \
664 $(KBUILD_CFLAGS) \
665 -D"LOADADDR=$(load-y)" \
666 -D"JIFFIES=$(JIFFIES)" \
667 -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"
668
669 head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
670
671 libs-y += arch/mips/lib/
672
673 core-y += arch/mips/kernel/ arch/mips/mm/ arch/mips/math-emu/
674
675 drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
676
677 ifdef CONFIG_LASAT
678 rom.bin rom.sw: vmlinux
679 $(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
680 endif
681
682 #
683 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
684 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
685 # convert to ECOFF using elf2ecoff.
686 #
687 vmlinux.32: vmlinux
688 $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
689
690 #
691 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
692 # ELF files from 32-bit files by conversion.
693 #
694 vmlinux.64: vmlinux
695 $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
696
697 makeboot =$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) $(1)
698
699 all: $(all-y)
700
701 vmlinux.bin: $(vmlinux-32)
702 +@$(call makeboot,$@)
703
704 vmlinux.ecoff: $(vmlinux-32)
705 +@$(call makeboot,$@)
706
707 vmlinux.srec: $(vmlinux-32)
708 +@$(call makeboot,$@)
709
710 CLEAN_FILES += vmlinux.ecoff \
711 vmlinux.srec
712
713 archprepare:
714 ifdef CONFIG_MIPS32_N32
715 @echo ' Checking missing-syscalls for N32'
716 $(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=n32"
717 endif
718 ifdef CONFIG_MIPS32_O32
719 @echo ' Checking missing-syscalls for O32'
720 $(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=32"
721 endif
722
723 install:
724 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
725 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
726 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
727
728 archclean:
729 @$(MAKE) $(clean)=arch/mips/boot
730 @$(MAKE) $(clean)=arch/mips/lasat
731
732 define archhelp
733 echo ' install - install kernel into $(INSTALL_PATH)'
734 echo ' vmlinux.ecoff - ECOFF boot image'
735 echo ' vmlinux.bin - Raw binary boot image'
736 echo ' vmlinux.srec - SREC boot image'
737 echo
738 echo ' These will be default as apropriate for a configured platform.'
739 endef
740
741 CLEAN_FILES += vmlinux.32 \
742 vmlinux.64 \
743 vmlinux.ecoff
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