Commit | Line | Data |
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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 |
aadeec4d MR |
17 | $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs |
18 | ||
04d8405e | 19 | KBUILD_DEFCONFIG := 32r2el_defconfig |
637dfa0f | 20 | KBUILD_DTBS := dtbs |
de0c1698 | 21 | |
1da177e4 LT |
22 | # |
23 | # Select the object file format to substitute into the linker script. | |
24 | # | |
25 | ifdef CONFIG_CPU_LITTLE_ENDIAN | |
17f690be RB |
26 | 32bit-tool-archpref = mipsel |
27 | 64bit-tool-archpref = mips64el | |
1da177e4 LT |
28 | 32bit-bfd = elf32-tradlittlemips |
29 | 64bit-bfd = elf64-tradlittlemips | |
30 | 32bit-emul = elf32ltsmip | |
31 | 64bit-emul = elf64ltsmip | |
32 | else | |
17f690be RB |
33 | 32bit-tool-archpref = mips |
34 | 64bit-tool-archpref = mips64 | |
1da177e4 LT |
35 | 32bit-bfd = elf32-tradbigmips |
36 | 64bit-bfd = elf64-tradbigmips | |
37 | 32bit-emul = elf32btsmip | |
38 | 64bit-emul = elf64btsmip | |
39 | endif | |
40 | ||
875d43e7 | 41 | ifdef CONFIG_32BIT |
17f690be | 42 | tool-archpref = $(32bit-tool-archpref) |
1da177e4 LT |
43 | UTS_MACHINE := mips |
44 | endif | |
875d43e7 | 45 | ifdef CONFIG_64BIT |
17f690be | 46 | tool-archpref = $(64bit-tool-archpref) |
1da177e4 LT |
47 | UTS_MACHINE := mips64 |
48 | endif | |
49 | ||
17f690be RB |
50 | ifneq ($(SUBARCH),$(ARCH)) |
51 | ifeq ($(CROSS_COMPILE),) | |
3247989e | 52 | CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) |
17f690be | 53 | endif |
1da177e4 LT |
54 | endif |
55 | ||
7326c4e5 WZ |
56 | ifdef CONFIG_FUNCTION_GRAPH_TRACER |
57 | ifndef KBUILD_MCOUNT_RA_ADDRESS | |
58 | ifeq ($(call cc-option-yn,-mmcount-ra-address), y) | |
59 | cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS | |
60 | endif | |
61 | endif | |
62 | endif | |
1a4ba061 | 63 | cflags-y += $(call cc-option, -mno-check-zero-division) |
05e41404 | 64 | |
8145095c | 65 | ifdef CONFIG_32BIT |
1da177e4 LT |
66 | ld-emul = $(32bit-emul) |
67 | vmlinux-32 = vmlinux | |
68 | vmlinux-64 = vmlinux.64 | |
59b3e8e9 RB |
69 | |
70 | cflags-y += -mabi=32 | |
8145095c | 71 | endif |
1da177e4 | 72 | |
8145095c | 73 | ifdef CONFIG_64BIT |
8145095c RB |
74 | ld-emul = $(64bit-emul) |
75 | vmlinux-32 = vmlinux.32 | |
76 | vmlinux-64 = vmlinux | |
77 | ||
59b3e8e9 | 78 | cflags-y += -mabi=64 |
1da177e4 LT |
79 | endif |
80 | ||
8496b401 RB |
81 | all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) |
82 | all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) | |
1b93b3c3 | 83 | all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz |
59b3e8e9 | 84 | |
1da177e4 LT |
85 | # |
86 | # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel | |
87 | # code since it only slows down the whole thing. At some point we might make | |
88 | # use of global pointer optimizations but their use of $28 conflicts with | |
89 | # the current pointer optimization. | |
90 | # | |
91 | # The DECStation requires an ECOFF kernel for remote booting, other MIPS | |
92 | # machines may also. Since BFD is incredibly buggy with respect to | |
93 | # crossformat linking we rely on the elf2ecoff tool for format conversion. | |
94 | # | |
1da177e4 | 95 | cflags-y += -G 0 -mno-abicalls -fno-pic -pipe |
6218cf44 | 96 | cflags-y += -msoft-float |
9f83d839 | 97 | LDFLAGS_vmlinux += -G 0 -static -n -nostdlib |
6588169d SR |
98 | KBUILD_AFLAGS_MODULE += -mlong-calls |
99 | KBUILD_CFLAGS_MODULE += -mlong-calls | |
1da177e4 | 100 | |
e818fac5 MR |
101 | ifeq ($(CONFIG_RELOCATABLE),y) |
102 | LDFLAGS_vmlinux += --emit-relocs | |
103 | endif | |
104 | ||
842dfc11 ML |
105 | # |
106 | # pass -msoft-float to GAS if it supports it. However on newer binutils | |
107 | # (specifically newer than 2.24.51.20140728) we then also need to explicitly | |
108 | # set ".set hardfloat" in all files which manipulate floating point registers. | |
109 | # | |
110 | ifneq ($(call as-option,-Wa$(comma)-msoft-float,),) | |
111 | cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float | |
112 | endif | |
113 | ||
72fbfb26 RB |
114 | cflags-y += -ffreestanding |
115 | ||
f425a6dc TS |
116 | # |
117 | # We explicitly add the endianness specifier if needed, this allows | |
118 | # to compile kernels with a toolchain for the other endianness. We | |
119 | # carefully avoid to add it redundantly because gcc 3.3/3.4 complains | |
120 | # when fed the toolchain default! | |
121 | # | |
25985edc | 122 | # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of |
59c51591 | 123 | # 2006-10-10 don't properly change the predefined symbols if -EB / -EL |
f9405412 RB |
124 | # are used, so we kludge that here. A bug has been filed at |
125 | # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413. | |
126 | # | |
c6d6f4c5 PB |
127 | # clang doesn't suffer from these issues and our checks against -dumpmachine |
128 | # don't work so well when cross compiling, since without providing --target | |
129 | # clang's output will be based upon the build machine. So for clang we simply | |
130 | # unconditionally specify -EB or -EL as appropriate. | |
131 | # | |
076f421d | 132 | ifdef CONFIG_CC_IS_CLANG |
c6d6f4c5 PB |
133 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB |
134 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL | |
135 | else | |
f9405412 RB |
136 | undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__ |
137 | undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__ | |
138 | predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__ | |
139 | predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ | |
140 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) | |
141 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) | |
c6d6f4c5 | 142 | endif |
f425a6dc | 143 | |
9007c9a2 RB |
144 | cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ |
145 | -fno-omit-frame-pointer | |
573deec0 JK |
146 | |
147 | # Some distribution-specific toolchains might pass the -fstack-check | |
148 | # option during the build, which adds a simple stack-probe at the beginning | |
149 | # of every function. This stack probe is to ensure that there is enough | |
150 | # stack space, else a SEGV is generated. This is not desirable for MIPS | |
151 | # as kernel stacks are small, placed in unmapped virtual memory, and do not | |
152 | # grow when overflowed. Especially on SGI IP27 platforms, this check will | |
153 | # lead to a NULL pointer dereference in _raw_spin_lock_irq. | |
154 | # | |
155 | # In disassembly, this stack probe appears at the top of a function as: | |
156 | # sd zero,<offset>(sp) | |
157 | # Where <offset> is a negative value. | |
158 | # | |
159 | cflags-y += -fno-stack-check | |
160 | ||
1da177e4 LT |
161 | # |
162 | # CPU-dependent compiler/assembler options for optimization. | |
163 | # | |
59b3e8e9 RB |
164 | cflags-$(CONFIG_CPU_R3000) += -march=r3000 |
165 | cflags-$(CONFIG_CPU_TX39XX) += -march=r3900 | |
59b3e8e9 RB |
166 | cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap |
167 | cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap | |
168 | cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap | |
344ebf09 PB |
169 | cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap |
170 | cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap | |
21855a6e | 171 | cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg |
344ebf09 PB |
172 | cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap |
173 | cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap | |
7fd08ca5 | 174 | cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap |
59b3e8e9 | 175 | cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap |
542c1020 SK |
176 | cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ |
177 | -Wa,--trap | |
c9e321e0 | 178 | cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ |
1da177e4 | 179 | -Wa,--trap |
59b3e8e9 | 180 | cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ |
1da177e4 | 181 | -Wa,--trap |
b625cd4a | 182 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ |
1da177e4 | 183 | -Wa,--trap |
b625cd4a MR |
184 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) |
185 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) | |
59b3e8e9 | 186 | cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ |
1da177e4 | 187 | -Wa,--trap |
7e69deb8 DD |
188 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap |
189 | ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) | |
190 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon | |
191 | endif | |
c9941158 | 192 | cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 |
1c7c4451 | 193 | cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap |
1da177e4 | 194 | |
20d60d99 MR |
195 | cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) |
196 | cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) | |
197 | cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) | |
198 | ||
32098ec7 MC |
199 | # For smartmips configurations, there are hundreds of warnings due to ISA overrides |
200 | # in assembly and header files. smartmips is only supported for MIPS32r1 onwards | |
201 | # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or | |
202 | # similar directives in the kernel will spam the build logs with the following warnings: | |
203 | # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater | |
204 | # or | |
205 | # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension | |
206 | # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has | |
207 | # been fixed properly. | |
5306a545 MC |
208 | mips-cflags := $(cflags-y) |
209 | ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) | |
210 | smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips) | |
211 | cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn | |
212 | endif | |
213 | ifeq ($(CONFIG_CPU_MICROMIPS),y) | |
214 | micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips) | |
215 | cflags-$(micromips-ase) += -mmicromips | |
216 | endif | |
32098ec7 | 217 | ifeq ($(CONFIG_CPU_HAS_MSA),y) |
5306a545 | 218 | toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa) |
32098ec7 MC |
219 | cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA |
220 | endif | |
bad50d79 JH |
221 | toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) |
222 | cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT | |
8e4789d2 JH |
223 | # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which |
224 | # only warns | |
225 | xpa-cflags-y := $(mips-cflags) | |
226 | xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings | |
227 | toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa) | |
228 | cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA | |
4a5dc51e MN |
229 | toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc) |
230 | cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC | |
edbb4233 PB |
231 | toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp) |
232 | cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP | |
53511389 PB |
233 | toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv) |
234 | cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV | |
32098ec7 | 235 | |
1da177e4 LT |
236 | # |
237 | # Firmware support | |
238 | # | |
0e2794b0 RB |
239 | libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/ |
240 | libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/ | |
241 | libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/ | |
231a35d3 | 242 | libs-y += arch/mips/fw/lib/ |
1da177e4 | 243 | |
ebc89718 RB |
244 | # |
245 | # Kernel compression | |
246 | # | |
809769a8 | 247 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
ebc89718 RB |
248 | COMPRESSION_FNAME = vmlinuz |
249 | else | |
250 | COMPRESSION_FNAME = vmlinux | |
251 | endif | |
252 | ||
1da177e4 LT |
253 | # |
254 | # Board-dependent options and extra files | |
255 | # | |
a436bb7b | 256 | include arch/mips/Kbuild.platforms |
7ca5dc14 | 257 | |
abe77f90 | 258 | ifdef CONFIG_PHYSICAL_START |
70342287 | 259 | load-y = $(CONFIG_PHYSICAL_START) |
abe77f90 | 260 | endif |
5fc9484f | 261 | |
e245767a | 262 | entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux) |
384740dc | 263 | cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic |
1da177e4 LT |
264 | drivers-$(CONFIG_PCI) += arch/mips/pci/ |
265 | ||
adff90a9 FBH |
266 | # |
267 | # Automatically detect the build format. By default we choose | |
268 | # the elf format according to the load address. | |
269 | # We can always force a build with a 64-bits symbol format by | |
054c51b4 | 270 | # passing 'KBUILD_SYM32=no' option to the make's command line. |
adff90a9 FBH |
271 | # |
272 | ifdef CONFIG_64BIT | |
054c51b4 | 273 | ifndef KBUILD_SYM32 |
adff90a9 | 274 | ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) |
054c51b4 | 275 | KBUILD_SYM32 = y |
adff90a9 FBH |
276 | endif |
277 | endif | |
278 | ||
20d60d99 MR |
279 | ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy) |
280 | cflags-y += -msym32 -DKBUILD_64BIT_SYM32 | |
281 | else | |
282 | ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) | |
283 | $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) | |
e58d95ab | 284 | endif |
adff90a9 FBH |
285 | endif |
286 | endif | |
287 | ||
222d394d | 288 | KBUILD_AFLAGS += $(cflags-y) |
51b563fc | 289 | KBUILD_CFLAGS += $(cflags-y) |
f7fc237e MM |
290 | KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) |
291 | KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) | |
1da177e4 | 292 | |
3185557d | 293 | bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ |
cf2a5e0b | 294 | VMLINUX_ENTRY_ADDRESS=$(entry-y) \ |
436c6a44 PB |
295 | PLATFORM="$(platform-y)" \ |
296 | ITS_INPUTS="$(its-y)" | |
eed0eabd PB |
297 | ifdef CONFIG_32BIT |
298 | bootvars-y += ADDR_BITS=32 | |
299 | endif | |
300 | ifdef CONFIG_64BIT | |
301 | bootvars-y += ADDR_BITS=64 | |
302 | endif | |
3185557d | 303 | |
866b6a89 CM |
304 | # This is required to get dwarf unwinding tables into .debug_frame |
305 | # instead of .eh_frame so we don't discard them. | |
306 | KBUILD_CFLAGS += -fno-asynchronous-unwind-tables | |
307 | ||
d503ac53 | 308 | KBUILD_LDFLAGS += -m $(ld-emul) |
1da177e4 | 309 | |
59b3e8e9 | 310 | ifdef CONFIG_MIPS |
b1e0d8b7 | 311 | CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ |
48c35b2d | 312 | egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \ |
73d8f99c | 313 | sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') |
59b3e8e9 RB |
314 | endif |
315 | ||
1da177e4 LT |
316 | OBJCOPYFLAGS += --remove-section=.reginfo |
317 | ||
957b369c | 318 | head-y := arch/mips/kernel/head.o |
1da177e4 LT |
319 | |
320 | libs-y += arch/mips/lib/ | |
42b10815 | 321 | libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/ |
1da177e4 | 322 | |
9aeb404b SR |
323 | # See arch/mips/Kbuild for content of core part of the kernel |
324 | core-y += arch/mips/ | |
1da177e4 | 325 | |
4a5dc51e | 326 | drivers-$(CONFIG_MIPS_CRC_SUPPORT) += arch/mips/crypto/ |
1da177e4 LT |
327 | drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ |
328 | ||
363c55ca WZ |
329 | # suspend and hibernation support |
330 | drivers-$(CONFIG_PM) += arch/mips/power/ | |
331 | ||
38d2d649 JH |
332 | # boot image targets (arch/mips/boot/) |
333 | boot-y := vmlinux.bin | |
334 | boot-y += vmlinux.ecoff | |
335 | boot-y += vmlinux.srec | |
4defe455 JH |
336 | ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0) |
337 | boot-y += uImage | |
9d6b80fa MC |
338 | boot-y += uImage.bin |
339 | boot-y += uImage.bz2 | |
4defe455 | 340 | boot-y += uImage.gz |
9d6b80fa MC |
341 | boot-y += uImage.lzma |
342 | boot-y += uImage.lzo | |
4defe455 | 343 | endif |
cf2a5e0b PB |
344 | boot-y += vmlinux.itb |
345 | boot-y += vmlinux.gz.itb | |
346 | boot-y += vmlinux.bz2.itb | |
347 | boot-y += vmlinux.lzma.itb | |
348 | boot-y += vmlinux.lzo.itb | |
38d2d649 JH |
349 | |
350 | # compressed boot image targets (arch/mips/boot/compressed/) | |
351 | bootz-y := vmlinuz | |
352 | bootz-y += vmlinuz.bin | |
353 | bootz-y += vmlinuz.ecoff | |
354 | bootz-y += vmlinuz.srec | |
ccebb88a MH |
355 | ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) |
356 | bootz-y += uzImage.bin | |
357 | endif | |
38d2d649 | 358 | |
1f21d2bd BM |
359 | ifdef CONFIG_LASAT |
360 | rom.bin rom.sw: vmlinux | |
3185557d JH |
361 | $(Q)$(MAKE) $(build)=arch/mips/lasat/image \ |
362 | $(bootvars-y) $@ | |
1f21d2bd BM |
363 | endif |
364 | ||
1da177e4 LT |
365 | # |
366 | # Some machines like the Indy need 32-bit ELF binaries for booting purposes. | |
367 | # Other need ECOFF, so we build a 32-bit ELF binary for them which we then | |
368 | # convert to ECOFF using elf2ecoff. | |
369 | # | |
007fbbea WZ |
370 | quiet_cmd_32 = OBJCOPY $@ |
371 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 372 | vmlinux.32: vmlinux |
007fbbea | 373 | $(call cmd,32) |
1da177e4 LT |
374 | |
375 | # | |
376 | # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit | |
377 | # ELF files from 32-bit files by conversion. | |
378 | # | |
007fbbea WZ |
379 | quiet_cmd_64 = OBJCOPY $@ |
380 | cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 381 | vmlinux.64: vmlinux |
007fbbea | 382 | $(call cmd,64) |
1da177e4 | 383 | |
637dfa0f | 384 | all: $(all-y) $(KBUILD_DTBS) |
1da177e4 | 385 | |
35eaa1e9 | 386 | # boot |
38d2d649 | 387 | $(boot-y): $(vmlinux-32) FORCE |
3185557d JH |
388 | $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \ |
389 | $(bootvars-y) arch/mips/boot/$@ | |
1da177e4 | 390 | |
26fca83a | 391 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
35eaa1e9 | 392 | # boot/compressed |
38d2d649 | 393 | $(bootz-y): $(vmlinux-32) FORCE |
35eaa1e9 | 394 | $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ |
3185557d | 395 | $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@ |
26fca83a FF |
396 | else |
397 | vmlinuz: FORCE | |
398 | @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' | |
399 | /bin/false | |
400 | endif | |
35eaa1e9 SR |
401 | |
402 | ||
d745866e | 403 | CLEAN_FILES += vmlinux.32 vmlinux.64 |
1da177e4 | 404 | |
7fafb068 | 405 | # device-trees |
37c8a5fa | 406 | core-y += arch/mips/boot/dts/ |
c8d333df | 407 | |
e48ce6b8 AN |
408 | archprepare: |
409 | ifdef CONFIG_MIPS32_N32 | |
8c9b23ff | 410 | @$(kecho) ' Checking missing-syscalls for N32' |
44656fa0 | 411 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" |
e48ce6b8 AN |
412 | endif |
413 | ifdef CONFIG_MIPS32_O32 | |
8c9b23ff | 414 | @$(kecho) ' Checking missing-syscalls for O32' |
44656fa0 | 415 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32" |
e48ce6b8 AN |
416 | endif |
417 | ||
59968d3b RB |
418 | install: |
419 | $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) | |
d9beeeca | 420 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
1b93b3c3 | 421 | $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) |
d9beeeca | 422 | endif |
59968d3b RB |
423 | $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) |
424 | $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) | |
425 | ||
1da177e4 | 426 | archclean: |
d745866e SR |
427 | $(Q)$(MAKE) $(clean)=arch/mips/boot |
428 | $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed | |
aadeec4d | 429 | $(Q)$(MAKE) $(clean)=arch/mips/boot/tools |
d745866e | 430 | $(Q)$(MAKE) $(clean)=arch/mips/lasat |
1da177e4 | 431 | |
99bf73eb FK |
432 | archheaders: |
433 | $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all | |
434 | ||
e7865765 | 435 | define archhelp |
59968d3b | 436 | echo ' install - install kernel into $(INSTALL_PATH)' |
e7865765 RB |
437 | echo ' vmlinux.ecoff - ECOFF boot image' |
438 | echo ' vmlinux.bin - Raw binary boot image' | |
439 | echo ' vmlinux.srec - SREC boot image' | |
78931652 | 440 | echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)' |
1b93b3c3 WZ |
441 | echo ' vmlinuz - Compressed boot(zboot) image' |
442 | echo ' vmlinuz.ecoff - ECOFF zboot image' | |
443 | echo ' vmlinuz.bin - Raw binary zboot image' | |
444 | echo ' vmlinuz.srec - SREC zboot image' | |
4defe455 | 445 | echo ' uImage - U-Boot image' |
9d6b80fa MC |
446 | echo ' uImage.bin - U-Boot image (uncompressed)' |
447 | echo ' uImage.bz2 - U-Boot image (bz2)' | |
4defe455 | 448 | echo ' uImage.gz - U-Boot image (gzip)' |
9d6b80fa MC |
449 | echo ' uImage.lzma - U-Boot image (lzma)' |
450 | echo ' uImage.lzo - U-Boot image (lzo)' | |
ccebb88a | 451 | echo ' uzImage.bin - U-Boot image (self-extracting)' |
e7865765 | 452 | echo |
25985edc | 453 | echo ' These will be default as appropriate for a configured platform.' |
eed0eabd PB |
454 | echo |
455 | echo ' If you are targeting a system supported by generic kernels you may' | |
456 | echo ' configure the kernel for a given architecture target like so:' | |
457 | echo | |
458 | echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">' | |
459 | echo | |
cccd0b9a JH |
460 | echo ' Where BOARDS is some subset of the following:' |
461 | for board in $(sort $(BOARDS)); do echo " $${board}"; done | |
462 | echo | |
463 | echo ' Specifically the following generic default configurations are' | |
464 | echo ' supported:' | |
465 | echo | |
466 | $(foreach cfg,$(generic_defconfigs), | |
467 | printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);) | |
468 | echo | |
469 | echo ' The following legacy default configurations have been converted to' | |
470 | echo ' generic and can still be used:' | |
471 | echo | |
472 | $(foreach cfg,$(sort $(legacy_defconfigs)), | |
473 | printf " %-24s - Build $($(cfg)-y)\n" $(cfg);) | |
474 | echo | |
eed0eabd | 475 | echo ' Otherwise, the following default configurations are available:' |
e7865765 | 476 | endef |
eed0eabd PB |
477 | |
478 | generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic | |
479 | generic_defconfigs := | |
480 | ||
481 | # | |
482 | # If the user generates a generic kernel configuration without specifying a | |
483 | # list of boards to include the config fragments for, default to including all | |
484 | # available board config fragments. | |
485 | # | |
486 | ifeq ($(BOARDS),) | |
487 | BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config))) | |
488 | endif | |
489 | ||
490 | # | |
491 | # Generic kernel configurations which merge generic_defconfig with the | |
492 | # appropriate config fragments from arch/mips/configs/generic/, resulting in | |
493 | # the ability to easily configure the kernel for a given architecture, | |
494 | # endianness & set of boards without duplicating the needed configuration in | |
495 | # hundreds of defconfig files. | |
496 | # | |
497 | define gen_generic_defconfigs | |
498 | $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3), | |
499 | target := $(bits)$(rev)$(filter el,$(endian))_defconfig | |
500 | generic_defconfigs += $$(target) | |
501 | $$(target): $(generic_config_dir)/$(bits)$(rev).config | |
502 | $$(target): $(generic_config_dir)/$(endian).config | |
503 | ))) | |
504 | endef | |
505 | ||
506 | $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el)) | |
507 | $(eval $(call gen_generic_defconfigs,micro32,r2,eb el)) | |
508 | ||
cccd0b9a JH |
509 | define describe_generic_defconfig |
510 | $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1))))) | |
511 | endef | |
512 | ||
eed0eabd PB |
513 | .PHONY: $(generic_defconfigs) |
514 | $(generic_defconfigs): | |
515 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ | |
27e0d4b0 PB |
516 | -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \ |
517 | grep -Ev '^#' | |
518 | $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@ | |
519 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \ | |
520 | KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null | |
521 | $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \ | |
522 | $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \ | |
523 | "$(origin BOARDS)" $(BOARDS) | |
337b775b | 524 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
eed0eabd PB |
525 | |
526 | # | |
527 | # Prevent generic merge_config rules attempting to merge single fragments | |
528 | # | |
529 | $(generic_config_dir)/%.config: ; | |
3f5f0a44 | 530 | |
a4c2f797 PB |
531 | # |
532 | # Prevent direct use of generic_defconfig, which is intended to be used as the | |
533 | # basis of the various ISA-specific targets generated above. | |
534 | # | |
535 | .PHONY: generic_defconfig | |
536 | generic_defconfig: | |
537 | $(Q)echo "generic_defconfig is not intended for direct use, but should instead be" | |
538 | $(Q)echo "used via an ISA-specific target from the following list:" | |
539 | $(Q)echo | |
540 | $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done | |
541 | $(Q)echo | |
542 | $(Q)false | |
543 | ||
3f5f0a44 PB |
544 | # |
545 | # Legacy defconfig compatibility - these targets used to be real defconfigs but | |
546 | # now that the boards have been converted to use the generic kernel they are | |
547 | # wrappers around the generic rules above. | |
548 | # | |
6bce3dea AB |
549 | legacy_defconfigs += ocelot_defconfig |
550 | ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot | |
551 | ||
318df806 JH |
552 | legacy_defconfigs += sead3_defconfig |
553 | sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3 | |
3f5f0a44 | 554 | |
318df806 JH |
555 | legacy_defconfigs += sead3micro_defconfig |
556 | sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3 | |
0861aa12 | 557 | |
318df806 JH |
558 | legacy_defconfigs += xilfpga_defconfig |
559 | xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga | |
560 | ||
561 | .PHONY: $(legacy_defconfigs) | |
562 | $(legacy_defconfigs): | |
563 | $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y) |