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1da177e4 LT |
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 | ||
aadeec4d | 15 | archscripts: scripts_basic |
e245767a | 16 | $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry |
e4acfbc1 PB |
17 | ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y) |
18 | $(Q)$(MAKE) $(build)=arch/mips/tools loongson3-llsc-check | |
19 | endif | |
aadeec4d MR |
20 | $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs |
21 | ||
04d8405e | 22 | KBUILD_DEFCONFIG := 32r2el_defconfig |
637dfa0f | 23 | KBUILD_DTBS := dtbs |
de0c1698 | 24 | |
1da177e4 LT |
25 | # |
26 | # Select the object file format to substitute into the linker script. | |
27 | # | |
28 | ifdef CONFIG_CPU_LITTLE_ENDIAN | |
17f690be RB |
29 | 32bit-tool-archpref = mipsel |
30 | 64bit-tool-archpref = mips64el | |
1da177e4 LT |
31 | 32bit-bfd = elf32-tradlittlemips |
32 | 64bit-bfd = elf64-tradlittlemips | |
33 | 32bit-emul = elf32ltsmip | |
34 | 64bit-emul = elf64ltsmip | |
35 | else | |
17f690be RB |
36 | 32bit-tool-archpref = mips |
37 | 64bit-tool-archpref = mips64 | |
1da177e4 LT |
38 | 32bit-bfd = elf32-tradbigmips |
39 | 64bit-bfd = elf64-tradbigmips | |
40 | 32bit-emul = elf32btsmip | |
41 | 64bit-emul = elf64btsmip | |
42 | endif | |
43 | ||
875d43e7 | 44 | ifdef CONFIG_32BIT |
17f690be | 45 | tool-archpref = $(32bit-tool-archpref) |
1da177e4 LT |
46 | UTS_MACHINE := mips |
47 | endif | |
875d43e7 | 48 | ifdef CONFIG_64BIT |
17f690be | 49 | tool-archpref = $(64bit-tool-archpref) |
1da177e4 LT |
50 | UTS_MACHINE := mips64 |
51 | endif | |
52 | ||
23243c1a | 53 | ifdef cross_compiling |
17f690be | 54 | ifeq ($(CROSS_COMPILE),) |
3247989e | 55 | CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) |
17f690be | 56 | endif |
1da177e4 LT |
57 | endif |
58 | ||
7326c4e5 WZ |
59 | ifdef CONFIG_FUNCTION_GRAPH_TRACER |
60 | ifndef KBUILD_MCOUNT_RA_ADDRESS | |
61 | ifeq ($(call cc-option-yn,-mmcount-ra-address), y) | |
62 | cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS | |
63 | endif | |
64 | endif | |
65 | endif | |
1a4ba061 | 66 | cflags-y += $(call cc-option, -mno-check-zero-division) |
05e41404 | 67 | |
8145095c | 68 | ifdef CONFIG_32BIT |
1da177e4 LT |
69 | ld-emul = $(32bit-emul) |
70 | vmlinux-32 = vmlinux | |
71 | vmlinux-64 = vmlinux.64 | |
59b3e8e9 RB |
72 | |
73 | cflags-y += -mabi=32 | |
8145095c | 74 | endif |
1da177e4 | 75 | |
8145095c | 76 | ifdef CONFIG_64BIT |
8145095c RB |
77 | ld-emul = $(64bit-emul) |
78 | vmlinux-32 = vmlinux.32 | |
79 | vmlinux-64 = vmlinux | |
80 | ||
59b3e8e9 | 81 | cflags-y += -mabi=64 |
1da177e4 LT |
82 | endif |
83 | ||
8496b401 RB |
84 | all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) |
85 | all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) | |
1b93b3c3 | 86 | all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz |
59b3e8e9 | 87 | |
1da177e4 LT |
88 | # |
89 | # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel | |
90 | # code since it only slows down the whole thing. At some point we might make | |
91 | # use of global pointer optimizations but their use of $28 conflicts with | |
92 | # the current pointer optimization. | |
93 | # | |
94 | # The DECStation requires an ECOFF kernel for remote booting, other MIPS | |
95 | # machines may also. Since BFD is incredibly buggy with respect to | |
96 | # crossformat linking we rely on the elf2ecoff tool for format conversion. | |
97 | # | |
1da177e4 | 98 | cflags-y += -G 0 -mno-abicalls -fno-pic -pipe |
6218cf44 | 99 | cflags-y += -msoft-float |
9f83d839 | 100 | LDFLAGS_vmlinux += -G 0 -static -n -nostdlib |
6588169d SR |
101 | KBUILD_AFLAGS_MODULE += -mlong-calls |
102 | KBUILD_CFLAGS_MODULE += -mlong-calls | |
1da177e4 | 103 | |
e818fac5 MR |
104 | ifeq ($(CONFIG_RELOCATABLE),y) |
105 | LDFLAGS_vmlinux += --emit-relocs | |
106 | endif | |
107 | ||
842dfc11 ML |
108 | # |
109 | # pass -msoft-float to GAS if it supports it. However on newer binutils | |
110 | # (specifically newer than 2.24.51.20140728) we then also need to explicitly | |
111 | # set ".set hardfloat" in all files which manipulate floating point registers. | |
112 | # | |
113 | ifneq ($(call as-option,-Wa$(comma)-msoft-float,),) | |
114 | cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float | |
115 | endif | |
116 | ||
72fbfb26 RB |
117 | cflags-y += -ffreestanding |
118 | ||
c6d6f4c5 PB |
119 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB |
120 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL | |
f425a6dc | 121 | |
9007c9a2 RB |
122 | cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ |
123 | -fno-omit-frame-pointer | |
573deec0 JK |
124 | |
125 | # Some distribution-specific toolchains might pass the -fstack-check | |
126 | # option during the build, which adds a simple stack-probe at the beginning | |
127 | # of every function. This stack probe is to ensure that there is enough | |
128 | # stack space, else a SEGV is generated. This is not desirable for MIPS | |
129 | # as kernel stacks are small, placed in unmapped virtual memory, and do not | |
130 | # grow when overflowed. Especially on SGI IP27 platforms, this check will | |
131 | # lead to a NULL pointer dereference in _raw_spin_lock_irq. | |
132 | # | |
133 | # In disassembly, this stack probe appears at the top of a function as: | |
134 | # sd zero,<offset>(sp) | |
135 | # Where <offset> is a negative value. | |
136 | # | |
137 | cflags-y += -fno-stack-check | |
138 | ||
5373ae67 AJ |
139 | # binutils from v2.35 when built with --enable-mips-fix-loongson3-llsc=yes, |
140 | # supports an -mfix-loongson3-llsc flag which emits a sync prior to each ll | |
141 | # instruction to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h | |
142 | # for a description). | |
143 | # | |
144 | # We disable this in order to prevent the assembler meddling with the | |
145 | # instruction that labels refer to, ie. if we label an ll instruction: | |
146 | # | |
147 | # 1: ll v0, 0(a0) | |
148 | # | |
149 | # ...then with the assembler fix applied the label may actually point at a sync | |
150 | # instruction inserted by the assembler, and if we were using the label in an | |
151 | # exception table the table would no longer contain the address of the ll | |
152 | # instruction. | |
153 | # | |
154 | # Avoid this by explicitly disabling that assembler behaviour. | |
155 | # | |
156 | cflags-y += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,) | |
157 | ||
1da177e4 LT |
158 | # |
159 | # CPU-dependent compiler/assembler options for optimization. | |
160 | # | |
59b3e8e9 RB |
161 | cflags-$(CONFIG_CPU_R3000) += -march=r3000 |
162 | cflags-$(CONFIG_CPU_TX39XX) += -march=r3900 | |
65ce6197 | 163 | cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap |
59b3e8e9 RB |
164 | cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap |
165 | cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap | |
166 | cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap | |
344ebf09 PB |
167 | cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap |
168 | cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap | |
ab7c01fd | 169 | cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg |
21855a6e | 170 | cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg |
344ebf09 PB |
171 | cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap |
172 | cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap | |
ab7c01fd | 173 | cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap |
7fd08ca5 | 174 | cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap |
281e3aea | 175 | cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg |
59b3e8e9 | 176 | cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap |
542c1020 SK |
177 | cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ |
178 | -Wa,--trap | |
c9e321e0 | 179 | cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ |
1da177e4 | 180 | -Wa,--trap |
59b3e8e9 | 181 | cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ |
1da177e4 | 182 | -Wa,--trap |
b625cd4a | 183 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ |
1da177e4 | 184 | -Wa,--trap |
b625cd4a MR |
185 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) |
186 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) | |
59b3e8e9 | 187 | cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ |
1da177e4 | 188 | -Wa,--trap |
7e69deb8 DD |
189 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap |
190 | ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) | |
191 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon | |
192 | endif | |
c9941158 | 193 | cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 |
1c7c4451 | 194 | cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap |
1da177e4 | 195 | |
20d60d99 MR |
196 | cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) |
197 | cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) | |
198 | cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) | |
199 | ||
32098ec7 MC |
200 | # For smartmips configurations, there are hundreds of warnings due to ISA overrides |
201 | # in assembly and header files. smartmips is only supported for MIPS32r1 onwards | |
202 | # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or | |
203 | # similar directives in the kernel will spam the build logs with the following warnings: | |
204 | # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater | |
205 | # or | |
206 | # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension | |
207 | # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has | |
208 | # been fixed properly. | |
5306a545 MC |
209 | mips-cflags := $(cflags-y) |
210 | ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) | |
211 | smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips) | |
212 | cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn | |
213 | endif | |
214 | ifeq ($(CONFIG_CPU_MICROMIPS),y) | |
215 | micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips) | |
216 | cflags-$(micromips-ase) += -mmicromips | |
217 | endif | |
32098ec7 | 218 | ifeq ($(CONFIG_CPU_HAS_MSA),y) |
5306a545 | 219 | toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa) |
32098ec7 MC |
220 | cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA |
221 | endif | |
bad50d79 JH |
222 | toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) |
223 | cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT | |
8e4789d2 JH |
224 | # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which |
225 | # only warns | |
226 | xpa-cflags-y := $(mips-cflags) | |
227 | xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings | |
228 | toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa) | |
229 | cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA | |
4a5dc51e MN |
230 | toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc) |
231 | cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC | |
edbb4233 PB |
232 | toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp) |
233 | cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP | |
53511389 PB |
234 | toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv) |
235 | cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV | |
32098ec7 | 236 | |
1da177e4 LT |
237 | # |
238 | # Firmware support | |
239 | # | |
0e2794b0 RB |
240 | libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/ |
241 | libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/ | |
242 | libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/ | |
231a35d3 | 243 | libs-y += arch/mips/fw/lib/ |
1da177e4 | 244 | |
ebc89718 RB |
245 | # |
246 | # Kernel compression | |
247 | # | |
809769a8 | 248 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
ebc89718 RB |
249 | COMPRESSION_FNAME = vmlinuz |
250 | else | |
251 | COMPRESSION_FNAME = vmlinux | |
252 | endif | |
253 | ||
1da177e4 LT |
254 | # |
255 | # Board-dependent options and extra files | |
256 | # | |
82cef5c0 | 257 | ifdef need-compiler |
d8285639 | 258 | include $(srctree)/arch/mips/Kbuild.platforms |
82cef5c0 | 259 | endif |
7ca5dc14 | 260 | |
abe77f90 | 261 | ifdef CONFIG_PHYSICAL_START |
70342287 | 262 | load-y = $(CONFIG_PHYSICAL_START) |
abe77f90 | 263 | endif |
5fc9484f | 264 | |
e245767a | 265 | entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux) |
384740dc | 266 | cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic |
1da177e4 LT |
267 | drivers-$(CONFIG_PCI) += arch/mips/pci/ |
268 | ||
adff90a9 FBH |
269 | # |
270 | # Automatically detect the build format. By default we choose | |
271 | # the elf format according to the load address. | |
272 | # We can always force a build with a 64-bits symbol format by | |
054c51b4 | 273 | # passing 'KBUILD_SYM32=no' option to the make's command line. |
adff90a9 FBH |
274 | # |
275 | ifdef CONFIG_64BIT | |
054c51b4 | 276 | ifndef KBUILD_SYM32 |
adff90a9 | 277 | ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) |
054c51b4 | 278 | KBUILD_SYM32 = y |
adff90a9 FBH |
279 | endif |
280 | endif | |
281 | ||
20d60d99 MR |
282 | ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy) |
283 | cflags-y += -msym32 -DKBUILD_64BIT_SYM32 | |
284 | else | |
285 | ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) | |
286 | $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) | |
e58d95ab | 287 | endif |
adff90a9 FBH |
288 | endif |
289 | endif | |
290 | ||
ff487d41 JY |
291 | # When linking a 32-bit executable the LLVM linker cannot cope with a |
292 | # 32-bit load address that has been sign-extended to 64 bits. Simply | |
293 | # remove the upper 32 bits then, as it is safe to do so with other | |
294 | # linkers. | |
295 | ifdef CONFIG_64BIT | |
296 | load-ld = $(load-y) | |
297 | else | |
298 | load-ld = $(subst 0xffffffff,0x,$(load-y)) | |
299 | endif | |
300 | ||
222d394d | 301 | KBUILD_AFLAGS += $(cflags-y) |
51b563fc | 302 | KBUILD_CFLAGS += $(cflags-y) |
ff487d41 | 303 | KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld) |
f7fc237e | 304 | KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) |
1da177e4 | 305 | |
3185557d | 306 | bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ |
ff487d41 | 307 | LINKER_LOAD_ADDRESS=$(load-ld) \ |
cf2a5e0b | 308 | VMLINUX_ENTRY_ADDRESS=$(entry-y) \ |
436c6a44 PB |
309 | PLATFORM="$(platform-y)" \ |
310 | ITS_INPUTS="$(its-y)" | |
eed0eabd PB |
311 | ifdef CONFIG_32BIT |
312 | bootvars-y += ADDR_BITS=32 | |
313 | endif | |
314 | ifdef CONFIG_64BIT | |
315 | bootvars-y += ADDR_BITS=64 | |
316 | endif | |
3185557d | 317 | |
866b6a89 CM |
318 | # This is required to get dwarf unwinding tables into .debug_frame |
319 | # instead of .eh_frame so we don't discard them. | |
320 | KBUILD_CFLAGS += -fno-asynchronous-unwind-tables | |
321 | ||
d503ac53 | 322 | KBUILD_LDFLAGS += -m $(ld-emul) |
1da177e4 | 323 | |
59b3e8e9 | 324 | ifdef CONFIG_MIPS |
b1e0d8b7 | 325 | CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ |
28bbbb98 | 326 | egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \ |
73d8f99c | 327 | sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') |
59b3e8e9 RB |
328 | endif |
329 | ||
1da177e4 LT |
330 | OBJCOPYFLAGS += --remove-section=.reginfo |
331 | ||
957b369c | 332 | head-y := arch/mips/kernel/head.o |
1da177e4 LT |
333 | |
334 | libs-y += arch/mips/lib/ | |
42b10815 | 335 | libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/ |
1da177e4 | 336 | |
3a2f58f3 | 337 | drivers-y += arch/mips/crypto/ |
1da177e4 | 338 | |
363c55ca WZ |
339 | # suspend and hibernation support |
340 | drivers-$(CONFIG_PM) += arch/mips/power/ | |
341 | ||
38d2d649 JH |
342 | # boot image targets (arch/mips/boot/) |
343 | boot-y := vmlinux.bin | |
344 | boot-y += vmlinux.ecoff | |
345 | boot-y += vmlinux.srec | |
4defe455 JH |
346 | ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0) |
347 | boot-y += uImage | |
9d6b80fa MC |
348 | boot-y += uImage.bin |
349 | boot-y += uImage.bz2 | |
4defe455 | 350 | boot-y += uImage.gz |
9d6b80fa MC |
351 | boot-y += uImage.lzma |
352 | boot-y += uImage.lzo | |
4defe455 | 353 | endif |
cf2a5e0b PB |
354 | boot-y += vmlinux.itb |
355 | boot-y += vmlinux.gz.itb | |
356 | boot-y += vmlinux.bz2.itb | |
357 | boot-y += vmlinux.lzma.itb | |
358 | boot-y += vmlinux.lzo.itb | |
38d2d649 JH |
359 | |
360 | # compressed boot image targets (arch/mips/boot/compressed/) | |
361 | bootz-y := vmlinuz | |
362 | bootz-y += vmlinuz.bin | |
363 | bootz-y += vmlinuz.ecoff | |
364 | bootz-y += vmlinuz.srec | |
ccebb88a MH |
365 | ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) |
366 | bootz-y += uzImage.bin | |
367 | endif | |
a3fb6550 | 368 | bootz-y += vmlinuz.itb |
38d2d649 | 369 | |
1da177e4 LT |
370 | # |
371 | # Some machines like the Indy need 32-bit ELF binaries for booting purposes. | |
372 | # Other need ECOFF, so we build a 32-bit ELF binary for them which we then | |
373 | # convert to ECOFF using elf2ecoff. | |
374 | # | |
007fbbea WZ |
375 | quiet_cmd_32 = OBJCOPY $@ |
376 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 377 | vmlinux.32: vmlinux |
007fbbea | 378 | $(call cmd,32) |
1da177e4 LT |
379 | |
380 | # | |
381 | # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit | |
382 | # ELF files from 32-bit files by conversion. | |
383 | # | |
007fbbea WZ |
384 | quiet_cmd_64 = OBJCOPY $@ |
385 | cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 386 | vmlinux.64: vmlinux |
007fbbea | 387 | $(call cmd,64) |
1da177e4 | 388 | |
637dfa0f | 389 | all: $(all-y) $(KBUILD_DTBS) |
1da177e4 | 390 | |
35eaa1e9 | 391 | # boot |
38d2d649 | 392 | $(boot-y): $(vmlinux-32) FORCE |
3185557d JH |
393 | $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \ |
394 | $(bootvars-y) arch/mips/boot/$@ | |
1da177e4 | 395 | |
26fca83a | 396 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
35eaa1e9 | 397 | # boot/compressed |
38d2d649 | 398 | $(bootz-y): $(vmlinux-32) FORCE |
35eaa1e9 | 399 | $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ |
9d63bcb8 | 400 | $(bootvars-y) 32bit-bfd=$(32bit-bfd) arch/mips/boot/$@ |
26fca83a FF |
401 | else |
402 | vmlinuz: FORCE | |
403 | @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' | |
404 | /bin/false | |
405 | endif | |
35eaa1e9 SR |
406 | |
407 | ||
d745866e | 408 | CLEAN_FILES += vmlinux.32 vmlinux.64 |
1da177e4 | 409 | |
7fafb068 | 410 | # device-trees |
37c8a5fa | 411 | core-y += arch/mips/boot/dts/ |
c8d333df | 412 | |
e48ce6b8 AN |
413 | archprepare: |
414 | ifdef CONFIG_MIPS32_N32 | |
8c9b23ff | 415 | @$(kecho) ' Checking missing-syscalls for N32' |
44656fa0 | 416 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" |
e48ce6b8 AN |
417 | endif |
418 | ifdef CONFIG_MIPS32_O32 | |
8c9b23ff | 419 | @$(kecho) ' Checking missing-syscalls for O32' |
44656fa0 | 420 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32" |
e48ce6b8 AN |
421 | endif |
422 | ||
59968d3b RB |
423 | install: |
424 | $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) | |
d9beeeca | 425 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
1b93b3c3 | 426 | $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) |
d9beeeca | 427 | endif |
59968d3b RB |
428 | $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) |
429 | $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) | |
430 | ||
1da177e4 | 431 | archclean: |
d745866e SR |
432 | $(Q)$(MAKE) $(clean)=arch/mips/boot |
433 | $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed | |
aadeec4d | 434 | $(Q)$(MAKE) $(clean)=arch/mips/boot/tools |
1da177e4 | 435 | |
99bf73eb FK |
436 | archheaders: |
437 | $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all | |
438 | ||
e7865765 | 439 | define archhelp |
59968d3b | 440 | echo ' install - install kernel into $(INSTALL_PATH)' |
e7865765 RB |
441 | echo ' vmlinux.ecoff - ECOFF boot image' |
442 | echo ' vmlinux.bin - Raw binary boot image' | |
443 | echo ' vmlinux.srec - SREC boot image' | |
78931652 | 444 | echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)' |
1b93b3c3 WZ |
445 | echo ' vmlinuz - Compressed boot(zboot) image' |
446 | echo ' vmlinuz.ecoff - ECOFF zboot image' | |
447 | echo ' vmlinuz.bin - Raw binary zboot image' | |
448 | echo ' vmlinuz.srec - SREC zboot image' | |
4defe455 | 449 | echo ' uImage - U-Boot image' |
9d6b80fa MC |
450 | echo ' uImage.bin - U-Boot image (uncompressed)' |
451 | echo ' uImage.bz2 - U-Boot image (bz2)' | |
4defe455 | 452 | echo ' uImage.gz - U-Boot image (gzip)' |
9d6b80fa MC |
453 | echo ' uImage.lzma - U-Boot image (lzma)' |
454 | echo ' uImage.lzo - U-Boot image (lzo)' | |
ccebb88a | 455 | echo ' uzImage.bin - U-Boot image (self-extracting)' |
e7865765 | 456 | echo |
25985edc | 457 | echo ' These will be default as appropriate for a configured platform.' |
eed0eabd PB |
458 | echo |
459 | echo ' If you are targeting a system supported by generic kernels you may' | |
460 | echo ' configure the kernel for a given architecture target like so:' | |
461 | echo | |
462 | echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">' | |
463 | echo | |
cccd0b9a JH |
464 | echo ' Where BOARDS is some subset of the following:' |
465 | for board in $(sort $(BOARDS)); do echo " $${board}"; done | |
466 | echo | |
467 | echo ' Specifically the following generic default configurations are' | |
468 | echo ' supported:' | |
469 | echo | |
470 | $(foreach cfg,$(generic_defconfigs), | |
471 | printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);) | |
472 | echo | |
473 | echo ' The following legacy default configurations have been converted to' | |
474 | echo ' generic and can still be used:' | |
475 | echo | |
476 | $(foreach cfg,$(sort $(legacy_defconfigs)), | |
477 | printf " %-24s - Build $($(cfg)-y)\n" $(cfg);) | |
478 | echo | |
eed0eabd | 479 | echo ' Otherwise, the following default configurations are available:' |
e7865765 | 480 | endef |
eed0eabd PB |
481 | |
482 | generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic | |
483 | generic_defconfigs := | |
484 | ||
485 | # | |
486 | # If the user generates a generic kernel configuration without specifying a | |
487 | # list of boards to include the config fragments for, default to including all | |
488 | # available board config fragments. | |
489 | # | |
490 | ifeq ($(BOARDS),) | |
491 | BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config))) | |
492 | endif | |
493 | ||
494 | # | |
495 | # Generic kernel configurations which merge generic_defconfig with the | |
496 | # appropriate config fragments from arch/mips/configs/generic/, resulting in | |
497 | # the ability to easily configure the kernel for a given architecture, | |
498 | # endianness & set of boards without duplicating the needed configuration in | |
499 | # hundreds of defconfig files. | |
500 | # | |
501 | define gen_generic_defconfigs | |
502 | $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3), | |
503 | target := $(bits)$(rev)$(filter el,$(endian))_defconfig | |
504 | generic_defconfigs += $$(target) | |
505 | $$(target): $(generic_config_dir)/$(bits)$(rev).config | |
506 | $$(target): $(generic_config_dir)/$(endian).config | |
507 | ))) | |
508 | endef | |
509 | ||
510 | $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el)) | |
511 | $(eval $(call gen_generic_defconfigs,micro32,r2,eb el)) | |
512 | ||
cccd0b9a JH |
513 | define describe_generic_defconfig |
514 | $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1))))) | |
515 | endef | |
516 | ||
eed0eabd PB |
517 | .PHONY: $(generic_defconfigs) |
518 | $(generic_defconfigs): | |
519 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ | |
27e0d4b0 PB |
520 | -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \ |
521 | grep -Ev '^#' | |
522 | $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@ | |
523 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \ | |
524 | KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null | |
525 | $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \ | |
526 | $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \ | |
527 | "$(origin BOARDS)" $(BOARDS) | |
337b775b | 528 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
eed0eabd PB |
529 | |
530 | # | |
531 | # Prevent generic merge_config rules attempting to merge single fragments | |
532 | # | |
533 | $(generic_config_dir)/%.config: ; | |
3f5f0a44 | 534 | |
a4c2f797 PB |
535 | # |
536 | # Prevent direct use of generic_defconfig, which is intended to be used as the | |
537 | # basis of the various ISA-specific targets generated above. | |
538 | # | |
539 | .PHONY: generic_defconfig | |
540 | generic_defconfig: | |
541 | $(Q)echo "generic_defconfig is not intended for direct use, but should instead be" | |
542 | $(Q)echo "used via an ISA-specific target from the following list:" | |
543 | $(Q)echo | |
544 | $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done | |
545 | $(Q)echo | |
546 | $(Q)false | |
547 | ||
3f5f0a44 PB |
548 | # |
549 | # Legacy defconfig compatibility - these targets used to be real defconfigs but | |
550 | # now that the boards have been converted to use the generic kernel they are | |
551 | # wrappers around the generic rules above. | |
552 | # | |
6bce3dea AB |
553 | legacy_defconfigs += ocelot_defconfig |
554 | ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot | |
555 | ||
318df806 JH |
556 | legacy_defconfigs += sead3_defconfig |
557 | sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3 | |
3f5f0a44 | 558 | |
318df806 JH |
559 | legacy_defconfigs += sead3micro_defconfig |
560 | sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3 | |
0861aa12 | 561 | |
318df806 JH |
562 | legacy_defconfigs += xilfpga_defconfig |
563 | xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga | |
564 | ||
3f66601e JY |
565 | legacy_defconfigs += pistachio_defconfig |
566 | pistachio_defconfig-y := 32r2el_defconfig BOARDS=marduk | |
567 | ||
318df806 JH |
568 | .PHONY: $(legacy_defconfigs) |
569 | $(legacy_defconfigs): | |
570 | $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y) |