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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 | |
8212f898 | 11 | # architecture-specific flags and dependencies. |
1da177e4 LT |
12 | # |
13 | ||
aadeec4d | 14 | archscripts: scripts_basic |
e245767a | 15 | $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry |
e4acfbc1 PB |
16 | ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y) |
17 | $(Q)$(MAKE) $(build)=arch/mips/tools loongson3-llsc-check | |
18 | endif | |
aadeec4d MR |
19 | $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs |
20 | ||
04d8405e | 21 | KBUILD_DEFCONFIG := 32r2el_defconfig |
637dfa0f | 22 | KBUILD_DTBS := dtbs |
de0c1698 | 23 | |
1da177e4 LT |
24 | # |
25 | # Select the object file format to substitute into the linker script. | |
26 | # | |
27 | ifdef CONFIG_CPU_LITTLE_ENDIAN | |
17f690be RB |
28 | 32bit-tool-archpref = mipsel |
29 | 64bit-tool-archpref = mips64el | |
1da177e4 LT |
30 | 32bit-bfd = elf32-tradlittlemips |
31 | 64bit-bfd = elf64-tradlittlemips | |
32 | 32bit-emul = elf32ltsmip | |
33 | 64bit-emul = elf64ltsmip | |
34 | else | |
17f690be RB |
35 | 32bit-tool-archpref = mips |
36 | 64bit-tool-archpref = mips64 | |
1da177e4 LT |
37 | 32bit-bfd = elf32-tradbigmips |
38 | 64bit-bfd = elf64-tradbigmips | |
39 | 32bit-emul = elf32btsmip | |
40 | 64bit-emul = elf64btsmip | |
41 | endif | |
42 | ||
875d43e7 | 43 | ifdef CONFIG_32BIT |
17f690be | 44 | tool-archpref = $(32bit-tool-archpref) |
1da177e4 LT |
45 | UTS_MACHINE := mips |
46 | endif | |
875d43e7 | 47 | ifdef CONFIG_64BIT |
17f690be | 48 | tool-archpref = $(64bit-tool-archpref) |
1da177e4 LT |
49 | UTS_MACHINE := mips64 |
50 | endif | |
51 | ||
23243c1a | 52 | ifdef cross_compiling |
17f690be | 53 | ifeq ($(CROSS_COMPILE),) |
3247989e | 54 | CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) |
17f690be | 55 | endif |
1da177e4 LT |
56 | endif |
57 | ||
7326c4e5 WZ |
58 | ifdef CONFIG_FUNCTION_GRAPH_TRACER |
59 | ifndef KBUILD_MCOUNT_RA_ADDRESS | |
60 | ifeq ($(call cc-option-yn,-mmcount-ra-address), y) | |
61 | cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS | |
62 | endif | |
63 | endif | |
64 | endif | |
1a4ba061 | 65 | cflags-y += $(call cc-option, -mno-check-zero-division) |
05e41404 | 66 | |
8145095c | 67 | ifdef CONFIG_32BIT |
1da177e4 LT |
68 | ld-emul = $(32bit-emul) |
69 | vmlinux-32 = vmlinux | |
70 | vmlinux-64 = vmlinux.64 | |
59b3e8e9 RB |
71 | |
72 | cflags-y += -mabi=32 | |
8145095c | 73 | endif |
1da177e4 | 74 | |
8145095c | 75 | ifdef CONFIG_64BIT |
8145095c RB |
76 | ld-emul = $(64bit-emul) |
77 | vmlinux-32 = vmlinux.32 | |
78 | vmlinux-64 = vmlinux | |
79 | ||
59b3e8e9 | 80 | cflags-y += -mabi=64 |
1da177e4 LT |
81 | endif |
82 | ||
8496b401 RB |
83 | all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) |
84 | all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) | |
1b93b3c3 | 85 | all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz |
59b3e8e9 | 86 | |
1da177e4 LT |
87 | # |
88 | # 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 thing. At some point we might make | |
90 | # use of global pointer optimizations but their use of $28 conflicts with | |
91 | # the current pointer optimization. | |
92 | # | |
93 | # The DECStation requires an ECOFF kernel for remote booting, other MIPS | |
94 | # machines may also. Since BFD is incredibly buggy with respect to | |
95 | # crossformat linking we rely on the elf2ecoff tool for format conversion. | |
96 | # | |
1da177e4 | 97 | cflags-y += -G 0 -mno-abicalls -fno-pic -pipe |
80a20d2f | 98 | cflags-y += -msoft-float -Wa,-msoft-float |
9f83d839 | 99 | LDFLAGS_vmlinux += -G 0 -static -n -nostdlib |
6588169d SR |
100 | KBUILD_AFLAGS_MODULE += -mlong-calls |
101 | KBUILD_CFLAGS_MODULE += -mlong-calls | |
1da177e4 | 102 | |
e818fac5 MR |
103 | ifeq ($(CONFIG_RELOCATABLE),y) |
104 | LDFLAGS_vmlinux += --emit-relocs | |
105 | endif | |
106 | ||
72fbfb26 RB |
107 | cflags-y += -ffreestanding |
108 | ||
c6d6f4c5 PB |
109 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB |
110 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL | |
f425a6dc | 111 | |
9007c9a2 RB |
112 | cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ |
113 | -fno-omit-frame-pointer | |
573deec0 JK |
114 | |
115 | # Some distribution-specific toolchains might pass the -fstack-check | |
116 | # option during the build, which adds a simple stack-probe at the beginning | |
117 | # of every function. This stack probe is to ensure that there is enough | |
118 | # stack space, else a SEGV is generated. This is not desirable for MIPS | |
119 | # as kernel stacks are small, placed in unmapped virtual memory, and do not | |
120 | # grow when overflowed. Especially on SGI IP27 platforms, this check will | |
121 | # lead to a NULL pointer dereference in _raw_spin_lock_irq. | |
122 | # | |
123 | # In disassembly, this stack probe appears at the top of a function as: | |
124 | # sd zero,<offset>(sp) | |
125 | # Where <offset> is a negative value. | |
126 | # | |
127 | cflags-y += -fno-stack-check | |
128 | ||
5373ae67 AJ |
129 | # binutils from v2.35 when built with --enable-mips-fix-loongson3-llsc=yes, |
130 | # supports an -mfix-loongson3-llsc flag which emits a sync prior to each ll | |
131 | # instruction to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h | |
132 | # for a description). | |
133 | # | |
134 | # We disable this in order to prevent the assembler meddling with the | |
135 | # instruction that labels refer to, ie. if we label an ll instruction: | |
136 | # | |
137 | # 1: ll v0, 0(a0) | |
138 | # | |
139 | # ...then with the assembler fix applied the label may actually point at a sync | |
140 | # instruction inserted by the assembler, and if we were using the label in an | |
141 | # exception table the table would no longer contain the address of the ll | |
142 | # instruction. | |
143 | # | |
144 | # Avoid this by explicitly disabling that assembler behaviour. | |
145 | # | |
337ff6bb | 146 | cflags-y += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,) |
5373ae67 | 147 | |
1da177e4 LT |
148 | # |
149 | # CPU-dependent compiler/assembler options for optimization. | |
150 | # | |
59b3e8e9 | 151 | cflags-$(CONFIG_CPU_R3000) += -march=r3000 |
65ce6197 | 152 | cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap |
59b3e8e9 RB |
153 | cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap |
154 | cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap | |
344ebf09 PB |
155 | cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap |
156 | cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap | |
ab7c01fd | 157 | cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg |
21855a6e | 158 | cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg |
344ebf09 PB |
159 | cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap |
160 | cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap | |
ab7c01fd | 161 | cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap |
7fd08ca5 | 162 | cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap |
281e3aea | 163 | cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg |
59b3e8e9 | 164 | cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap |
542c1020 SK |
165 | cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ |
166 | -Wa,--trap | |
c9e321e0 | 167 | cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ |
1da177e4 | 168 | -Wa,--trap |
59b3e8e9 | 169 | cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ |
1da177e4 | 170 | -Wa,--trap |
b625cd4a | 171 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ |
1da177e4 | 172 | -Wa,--trap |
b625cd4a MR |
173 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) |
174 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) | |
59b3e8e9 | 175 | cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ |
1da177e4 | 176 | -Wa,--trap |
7e69deb8 DD |
177 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap |
178 | ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) | |
179 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon | |
180 | endif | |
c9941158 | 181 | cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 |
1c7c4451 | 182 | cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap |
1da177e4 | 183 | |
531b3d11 HC |
184 | cflags-$(CONFIG_CPU_LOONGSON2E) += $(call cc-option,-march=loongson2e) -Wa,--trap |
185 | cflags-$(CONFIG_CPU_LOONGSON2F) += $(call cc-option,-march=loongson2f) -Wa,--trap | |
186 | cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-march=loongson3a,-march=mips64r2) -Wa,--trap | |
194a8352 JY |
187 | # Some -march= flags enable MMI instructions, and GCC complains about that |
188 | # support being enabled alongside -msoft-float. Thus explicitly disable MMI. | |
189 | cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-mno-loongson-mmi) | |
194a8352 JY |
190 | cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-mno-loongson-mmi) |
191 | ||
20d60d99 MR |
192 | cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) |
193 | cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) | |
194 | cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) | |
194a8352 JY |
195 | ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS |
196 | cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-mfix-loongson2f-nop | |
197 | cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,-mfix-loongson2f-jump | |
198 | endif | |
199 | ||
200 | # | |
201 | # Some versions of binutils, not currently mainline as of 2019/02/04, support | |
202 | # an -mfix-loongson3-llsc flag which emits a sync prior to each ll instruction | |
203 | # to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h for a | |
204 | # description). | |
205 | # | |
206 | # We disable this in order to prevent the assembler meddling with the | |
207 | # instruction that labels refer to, ie. if we label an ll instruction: | |
208 | # | |
209 | # 1: ll v0, 0(a0) | |
210 | # | |
211 | # ...then with the assembler fix applied the label may actually point at a sync | |
212 | # instruction inserted by the assembler, and if we were using the label in an | |
213 | # exception table the table would no longer contain the address of the ll | |
214 | # instruction. | |
215 | # | |
216 | # Avoid this by explicitly disabling that assembler behaviour. If upstream | |
217 | # binutils does not merge support for the flag then we can revisit & remove | |
218 | # this later - for now it ensures vendor toolchains don't cause problems. | |
219 | # | |
220 | cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,) | |
20d60d99 | 221 | |
32098ec7 MC |
222 | # For smartmips configurations, there are hundreds of warnings due to ISA overrides |
223 | # in assembly and header files. smartmips is only supported for MIPS32r1 onwards | |
224 | # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or | |
225 | # similar directives in the kernel will spam the build logs with the following warnings: | |
226 | # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater | |
227 | # or | |
228 | # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension | |
229 | # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has | |
230 | # been fixed properly. | |
5306a545 MC |
231 | mips-cflags := $(cflags-y) |
232 | ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) | |
233 | smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips) | |
234 | cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn | |
235 | endif | |
236 | ifeq ($(CONFIG_CPU_MICROMIPS),y) | |
237 | micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips) | |
238 | cflags-$(micromips-ase) += -mmicromips | |
239 | endif | |
32098ec7 | 240 | ifeq ($(CONFIG_CPU_HAS_MSA),y) |
5306a545 | 241 | toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa) |
32098ec7 MC |
242 | cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA |
243 | endif | |
bad50d79 JH |
244 | toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) |
245 | cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT | |
8e4789d2 JH |
246 | # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which |
247 | # only warns | |
248 | xpa-cflags-y := $(mips-cflags) | |
249 | xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings | |
250 | toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa) | |
251 | cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA | |
4a5dc51e MN |
252 | toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc) |
253 | cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC | |
edbb4233 PB |
254 | toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp) |
255 | cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP | |
53511389 PB |
256 | toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv) |
257 | cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV | |
32098ec7 | 258 | |
1da177e4 LT |
259 | # |
260 | # Firmware support | |
261 | # | |
0e2794b0 RB |
262 | libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/ |
263 | libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/ | |
264 | libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/ | |
231a35d3 | 265 | libs-y += arch/mips/fw/lib/ |
1da177e4 | 266 | |
ebc89718 RB |
267 | # |
268 | # Kernel compression | |
269 | # | |
809769a8 | 270 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
ebc89718 RB |
271 | COMPRESSION_FNAME = vmlinuz |
272 | else | |
273 | COMPRESSION_FNAME = vmlinux | |
274 | endif | |
275 | ||
1da177e4 LT |
276 | # |
277 | # Board-dependent options and extra files | |
278 | # | |
d8285639 | 279 | include $(srctree)/arch/mips/Kbuild.platforms |
7ca5dc14 | 280 | |
abe77f90 | 281 | ifdef CONFIG_PHYSICAL_START |
70342287 | 282 | load-y = $(CONFIG_PHYSICAL_START) |
abe77f90 | 283 | endif |
5fc9484f | 284 | |
e245767a | 285 | entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux) |
384740dc | 286 | cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic |
1da177e4 LT |
287 | drivers-$(CONFIG_PCI) += arch/mips/pci/ |
288 | ||
adff90a9 FBH |
289 | # |
290 | # Automatically detect the build format. By default we choose | |
291 | # the elf format according to the load address. | |
292 | # We can always force a build with a 64-bits symbol format by | |
054c51b4 | 293 | # passing 'KBUILD_SYM32=no' option to the make's command line. |
adff90a9 FBH |
294 | # |
295 | ifdef CONFIG_64BIT | |
054c51b4 | 296 | ifndef KBUILD_SYM32 |
adff90a9 | 297 | ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) |
054c51b4 | 298 | KBUILD_SYM32 = y |
adff90a9 FBH |
299 | endif |
300 | endif | |
301 | ||
20d60d99 MR |
302 | ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy) |
303 | cflags-y += -msym32 -DKBUILD_64BIT_SYM32 | |
304 | else | |
305 | ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) | |
306 | $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) | |
e58d95ab | 307 | endif |
adff90a9 FBH |
308 | endif |
309 | endif | |
310 | ||
ff487d41 JY |
311 | # When linking a 32-bit executable the LLVM linker cannot cope with a |
312 | # 32-bit load address that has been sign-extended to 64 bits. Simply | |
313 | # remove the upper 32 bits then, as it is safe to do so with other | |
314 | # linkers. | |
315 | ifdef CONFIG_64BIT | |
316 | load-ld = $(load-y) | |
317 | else | |
318 | load-ld = $(subst 0xffffffff,0x,$(load-y)) | |
319 | endif | |
320 | ||
222d394d | 321 | KBUILD_AFLAGS += $(cflags-y) |
51b563fc | 322 | KBUILD_CFLAGS += $(cflags-y) |
ff487d41 | 323 | KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld) |
f7fc237e | 324 | KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) |
1da177e4 | 325 | |
3185557d | 326 | bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ |
ff487d41 | 327 | LINKER_LOAD_ADDRESS=$(load-ld) \ |
cf2a5e0b | 328 | VMLINUX_ENTRY_ADDRESS=$(entry-y) \ |
436c6a44 PB |
329 | PLATFORM="$(platform-y)" \ |
330 | ITS_INPUTS="$(its-y)" | |
eed0eabd PB |
331 | ifdef CONFIG_32BIT |
332 | bootvars-y += ADDR_BITS=32 | |
333 | endif | |
334 | ifdef CONFIG_64BIT | |
335 | bootvars-y += ADDR_BITS=64 | |
336 | endif | |
3185557d | 337 | |
866b6a89 CM |
338 | # This is required to get dwarf unwinding tables into .debug_frame |
339 | # instead of .eh_frame so we don't discard them. | |
340 | KBUILD_CFLAGS += -fno-asynchronous-unwind-tables | |
341 | ||
d503ac53 | 342 | KBUILD_LDFLAGS += -m $(ld-emul) |
1da177e4 | 343 | |
59b3e8e9 | 344 | ifdef CONFIG_MIPS |
b1e0d8b7 | 345 | CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ |
d42f0c6a | 346 | grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \ |
73d8f99c | 347 | sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') |
59b3e8e9 RB |
348 | endif |
349 | ||
1da177e4 LT |
350 | OBJCOPYFLAGS += --remove-section=.reginfo |
351 | ||
1da177e4 | 352 | libs-y += arch/mips/lib/ |
42b10815 | 353 | libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/ |
1da177e4 | 354 | |
3a2f58f3 | 355 | drivers-y += arch/mips/crypto/ |
1da177e4 | 356 | |
363c55ca WZ |
357 | # suspend and hibernation support |
358 | drivers-$(CONFIG_PM) += arch/mips/power/ | |
359 | ||
38d2d649 JH |
360 | # boot image targets (arch/mips/boot/) |
361 | boot-y := vmlinux.bin | |
362 | boot-y += vmlinux.ecoff | |
363 | boot-y += vmlinux.srec | |
4defe455 | 364 | boot-y += uImage |
9d6b80fa MC |
365 | boot-y += uImage.bin |
366 | boot-y += uImage.bz2 | |
4defe455 | 367 | boot-y += uImage.gz |
9d6b80fa MC |
368 | boot-y += uImage.lzma |
369 | boot-y += uImage.lzo | |
cf2a5e0b PB |
370 | boot-y += vmlinux.itb |
371 | boot-y += vmlinux.gz.itb | |
372 | boot-y += vmlinux.bz2.itb | |
373 | boot-y += vmlinux.lzma.itb | |
374 | boot-y += vmlinux.lzo.itb | |
38d2d649 JH |
375 | |
376 | # compressed boot image targets (arch/mips/boot/compressed/) | |
377 | bootz-y := vmlinuz | |
378 | bootz-y += vmlinuz.bin | |
379 | bootz-y += vmlinuz.ecoff | |
380 | bootz-y += vmlinuz.srec | |
ccebb88a | 381 | bootz-y += uzImage.bin |
a3fb6550 | 382 | bootz-y += vmlinuz.itb |
38d2d649 | 383 | |
1da177e4 LT |
384 | # |
385 | # Some machines like the Indy need 32-bit ELF binaries for booting purposes. | |
386 | # Other need ECOFF, so we build a 32-bit ELF binary for them which we then | |
387 | # convert to ECOFF using elf2ecoff. | |
388 | # | |
007fbbea WZ |
389 | quiet_cmd_32 = OBJCOPY $@ |
390 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 391 | vmlinux.32: vmlinux |
007fbbea | 392 | $(call cmd,32) |
1da177e4 LT |
393 | |
394 | # | |
395 | # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit | |
396 | # ELF files from 32-bit files by conversion. | |
397 | # | |
007fbbea WZ |
398 | quiet_cmd_64 = OBJCOPY $@ |
399 | cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 400 | vmlinux.64: vmlinux |
007fbbea | 401 | $(call cmd,64) |
1da177e4 | 402 | |
637dfa0f | 403 | all: $(all-y) $(KBUILD_DTBS) |
1da177e4 | 404 | |
35eaa1e9 | 405 | # boot |
38d2d649 | 406 | $(boot-y): $(vmlinux-32) FORCE |
3185557d JH |
407 | $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \ |
408 | $(bootvars-y) arch/mips/boot/$@ | |
1da177e4 | 409 | |
26fca83a | 410 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
35eaa1e9 | 411 | # boot/compressed |
38d2d649 | 412 | $(bootz-y): $(vmlinux-32) FORCE |
35eaa1e9 | 413 | $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ |
9d63bcb8 | 414 | $(bootvars-y) 32bit-bfd=$(32bit-bfd) arch/mips/boot/$@ |
26fca83a FF |
415 | else |
416 | vmlinuz: FORCE | |
417 | @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' | |
418 | /bin/false | |
419 | endif | |
35eaa1e9 SR |
420 | |
421 | ||
d745866e | 422 | CLEAN_FILES += vmlinux.32 vmlinux.64 |
1da177e4 | 423 | |
7fafb068 | 424 | # device-trees |
37c8a5fa | 425 | core-y += arch/mips/boot/dts/ |
c8d333df | 426 | |
e48ce6b8 AN |
427 | archprepare: |
428 | ifdef CONFIG_MIPS32_N32 | |
8c9b23ff | 429 | @$(kecho) ' Checking missing-syscalls for N32' |
44656fa0 | 430 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" |
e48ce6b8 AN |
431 | endif |
432 | ifdef CONFIG_MIPS32_O32 | |
8c9b23ff | 433 | @$(kecho) ' Checking missing-syscalls for O32' |
44656fa0 | 434 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32" |
e48ce6b8 AN |
435 | endif |
436 | ||
59968d3b RB |
437 | install: |
438 | $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) | |
d9beeeca | 439 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
1b93b3c3 | 440 | $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) |
d9beeeca | 441 | endif |
59968d3b RB |
442 | $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) |
443 | $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) | |
444 | ||
99bf73eb FK |
445 | archheaders: |
446 | $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all | |
447 | ||
e7865765 | 448 | define archhelp |
59968d3b | 449 | echo ' install - install kernel into $(INSTALL_PATH)' |
e7865765 RB |
450 | echo ' vmlinux.ecoff - ECOFF boot image' |
451 | echo ' vmlinux.bin - Raw binary boot image' | |
452 | echo ' vmlinux.srec - SREC boot image' | |
78931652 | 453 | echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)' |
1b93b3c3 WZ |
454 | echo ' vmlinuz - Compressed boot(zboot) image' |
455 | echo ' vmlinuz.ecoff - ECOFF zboot image' | |
456 | echo ' vmlinuz.bin - Raw binary zboot image' | |
457 | echo ' vmlinuz.srec - SREC zboot image' | |
4defe455 | 458 | echo ' uImage - U-Boot image' |
9d6b80fa MC |
459 | echo ' uImage.bin - U-Boot image (uncompressed)' |
460 | echo ' uImage.bz2 - U-Boot image (bz2)' | |
4defe455 | 461 | echo ' uImage.gz - U-Boot image (gzip)' |
9d6b80fa MC |
462 | echo ' uImage.lzma - U-Boot image (lzma)' |
463 | echo ' uImage.lzo - U-Boot image (lzo)' | |
ccebb88a | 464 | echo ' uzImage.bin - U-Boot image (self-extracting)' |
e7865765 | 465 | echo |
25985edc | 466 | echo ' These will be default as appropriate for a configured platform.' |
eed0eabd PB |
467 | echo |
468 | echo ' If you are targeting a system supported by generic kernels you may' | |
469 | echo ' configure the kernel for a given architecture target like so:' | |
470 | echo | |
471 | echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">' | |
472 | echo | |
cccd0b9a JH |
473 | echo ' Where BOARDS is some subset of the following:' |
474 | for board in $(sort $(BOARDS)); do echo " $${board}"; done | |
475 | echo | |
476 | echo ' Specifically the following generic default configurations are' | |
477 | echo ' supported:' | |
478 | echo | |
479 | $(foreach cfg,$(generic_defconfigs), | |
480 | printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);) | |
481 | echo | |
482 | echo ' The following legacy default configurations have been converted to' | |
483 | echo ' generic and can still be used:' | |
484 | echo | |
485 | $(foreach cfg,$(sort $(legacy_defconfigs)), | |
486 | printf " %-24s - Build $($(cfg)-y)\n" $(cfg);) | |
487 | echo | |
eed0eabd | 488 | echo ' Otherwise, the following default configurations are available:' |
e7865765 | 489 | endef |
eed0eabd PB |
490 | |
491 | generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic | |
492 | generic_defconfigs := | |
493 | ||
494 | # | |
495 | # If the user generates a generic kernel configuration without specifying a | |
496 | # list of boards to include the config fragments for, default to including all | |
497 | # available board config fragments. | |
498 | # | |
499 | ifeq ($(BOARDS),) | |
500 | BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config))) | |
501 | endif | |
502 | ||
503 | # | |
504 | # Generic kernel configurations which merge generic_defconfig with the | |
505 | # appropriate config fragments from arch/mips/configs/generic/, resulting in | |
506 | # the ability to easily configure the kernel for a given architecture, | |
507 | # endianness & set of boards without duplicating the needed configuration in | |
508 | # hundreds of defconfig files. | |
509 | # | |
510 | define gen_generic_defconfigs | |
511 | $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3), | |
512 | target := $(bits)$(rev)$(filter el,$(endian))_defconfig | |
513 | generic_defconfigs += $$(target) | |
514 | $$(target): $(generic_config_dir)/$(bits)$(rev).config | |
515 | $$(target): $(generic_config_dir)/$(endian).config | |
516 | ))) | |
517 | endef | |
518 | ||
519 | $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el)) | |
520 | $(eval $(call gen_generic_defconfigs,micro32,r2,eb el)) | |
521 | ||
cccd0b9a JH |
522 | define describe_generic_defconfig |
523 | $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1))))) | |
524 | endef | |
525 | ||
eed0eabd PB |
526 | .PHONY: $(generic_defconfigs) |
527 | $(generic_defconfigs): | |
528 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ | |
27e0d4b0 PB |
529 | -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \ |
530 | grep -Ev '^#' | |
531 | $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@ | |
532 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \ | |
533 | KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null | |
534 | $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \ | |
535 | $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \ | |
536 | "$(origin BOARDS)" $(BOARDS) | |
337b775b | 537 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
eed0eabd PB |
538 | |
539 | # | |
540 | # Prevent generic merge_config rules attempting to merge single fragments | |
541 | # | |
542 | $(generic_config_dir)/%.config: ; | |
3f5f0a44 | 543 | |
a4c2f797 PB |
544 | # |
545 | # Prevent direct use of generic_defconfig, which is intended to be used as the | |
546 | # basis of the various ISA-specific targets generated above. | |
547 | # | |
548 | .PHONY: generic_defconfig | |
549 | generic_defconfig: | |
550 | $(Q)echo "generic_defconfig is not intended for direct use, but should instead be" | |
551 | $(Q)echo "used via an ISA-specific target from the following list:" | |
552 | $(Q)echo | |
553 | $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done | |
554 | $(Q)echo | |
555 | $(Q)false | |
556 | ||
3f5f0a44 PB |
557 | # |
558 | # Legacy defconfig compatibility - these targets used to be real defconfigs but | |
559 | # now that the boards have been converted to use the generic kernel they are | |
560 | # wrappers around the generic rules above. | |
561 | # | |
6bce3dea AB |
562 | legacy_defconfigs += ocelot_defconfig |
563 | ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot | |
564 | ||
318df806 JH |
565 | legacy_defconfigs += sead3_defconfig |
566 | sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3 | |
3f5f0a44 | 567 | |
318df806 JH |
568 | legacy_defconfigs += sead3micro_defconfig |
569 | sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3 | |
0861aa12 | 570 | |
318df806 JH |
571 | legacy_defconfigs += xilfpga_defconfig |
572 | xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga | |
573 | ||
3f66601e JY |
574 | legacy_defconfigs += pistachio_defconfig |
575 | pistachio_defconfig-y := 32r2el_defconfig BOARDS=marduk | |
576 | ||
318df806 JH |
577 | .PHONY: $(legacy_defconfigs) |
578 | $(legacy_defconfigs): | |
579 | $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y) |