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_R4300) += -march=r4300 -Wa,--trap |
167 | cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap | |
168 | cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap | |
169 | cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap | |
344ebf09 PB |
170 | cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap |
171 | cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap | |
21855a6e | 172 | cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg |
344ebf09 PB |
173 | cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap |
174 | cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap | |
7fd08ca5 | 175 | cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap |
59b3e8e9 | 176 | cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap |
c9e321e0 | 177 | cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \ |
1da177e4 | 178 | -Wa,--trap |
542c1020 SK |
179 | cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ |
180 | -Wa,--trap | |
c9e321e0 | 181 | cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ |
1da177e4 | 182 | -Wa,--trap |
59b3e8e9 | 183 | cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ |
1da177e4 | 184 | -Wa,--trap |
b625cd4a | 185 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ |
1da177e4 | 186 | -Wa,--trap |
b625cd4a MR |
187 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) |
188 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) | |
59b3e8e9 RB |
189 | cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap |
190 | cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ | |
1da177e4 | 191 | -Wa,--trap |
7e69deb8 DD |
192 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap |
193 | ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) | |
194 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon | |
195 | endif | |
c9941158 | 196 | cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 |
1c7c4451 | 197 | cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap |
1da177e4 | 198 | |
20d60d99 MR |
199 | cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) |
200 | cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) | |
201 | cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) | |
202 | ||
32098ec7 MC |
203 | # For smartmips configurations, there are hundreds of warnings due to ISA overrides |
204 | # in assembly and header files. smartmips is only supported for MIPS32r1 onwards | |
205 | # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or | |
206 | # similar directives in the kernel will spam the build logs with the following warnings: | |
207 | # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater | |
208 | # or | |
209 | # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension | |
210 | # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has | |
211 | # been fixed properly. | |
5306a545 MC |
212 | mips-cflags := $(cflags-y) |
213 | ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) | |
214 | smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips) | |
215 | cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn | |
216 | endif | |
217 | ifeq ($(CONFIG_CPU_MICROMIPS),y) | |
218 | micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips) | |
219 | cflags-$(micromips-ase) += -mmicromips | |
220 | endif | |
32098ec7 | 221 | ifeq ($(CONFIG_CPU_HAS_MSA),y) |
5306a545 | 222 | toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa) |
32098ec7 MC |
223 | cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA |
224 | endif | |
bad50d79 JH |
225 | toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) |
226 | cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT | |
8e4789d2 JH |
227 | # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which |
228 | # only warns | |
229 | xpa-cflags-y := $(mips-cflags) | |
230 | xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings | |
231 | toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa) | |
232 | cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA | |
4a5dc51e MN |
233 | toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc) |
234 | cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC | |
edbb4233 PB |
235 | toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp) |
236 | cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP | |
53511389 PB |
237 | toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv) |
238 | cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV | |
32098ec7 | 239 | |
1da177e4 LT |
240 | # |
241 | # Firmware support | |
242 | # | |
0e2794b0 RB |
243 | libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/ |
244 | libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/ | |
245 | libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/ | |
231a35d3 | 246 | libs-y += arch/mips/fw/lib/ |
1da177e4 | 247 | |
ebc89718 RB |
248 | # |
249 | # Kernel compression | |
250 | # | |
809769a8 | 251 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
ebc89718 RB |
252 | COMPRESSION_FNAME = vmlinuz |
253 | else | |
254 | COMPRESSION_FNAME = vmlinux | |
255 | endif | |
256 | ||
1da177e4 LT |
257 | # |
258 | # Board-dependent options and extra files | |
259 | # | |
a436bb7b | 260 | include arch/mips/Kbuild.platforms |
7ca5dc14 | 261 | |
abe77f90 | 262 | ifdef CONFIG_PHYSICAL_START |
70342287 | 263 | load-y = $(CONFIG_PHYSICAL_START) |
abe77f90 | 264 | endif |
5fc9484f | 265 | |
e245767a | 266 | entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux) |
384740dc | 267 | cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic |
1da177e4 LT |
268 | drivers-$(CONFIG_PCI) += arch/mips/pci/ |
269 | ||
adff90a9 FBH |
270 | # |
271 | # Automatically detect the build format. By default we choose | |
272 | # the elf format according to the load address. | |
273 | # We can always force a build with a 64-bits symbol format by | |
054c51b4 | 274 | # passing 'KBUILD_SYM32=no' option to the make's command line. |
adff90a9 FBH |
275 | # |
276 | ifdef CONFIG_64BIT | |
054c51b4 | 277 | ifndef KBUILD_SYM32 |
adff90a9 | 278 | ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) |
054c51b4 | 279 | KBUILD_SYM32 = y |
adff90a9 FBH |
280 | endif |
281 | endif | |
282 | ||
20d60d99 MR |
283 | ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy) |
284 | cflags-y += -msym32 -DKBUILD_64BIT_SYM32 | |
285 | else | |
286 | ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) | |
287 | $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) | |
e58d95ab | 288 | endif |
adff90a9 FBH |
289 | endif |
290 | endif | |
291 | ||
222d394d | 292 | KBUILD_AFLAGS += $(cflags-y) |
51b563fc | 293 | KBUILD_CFLAGS += $(cflags-y) |
f7fc237e MM |
294 | KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) |
295 | KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) | |
1da177e4 | 296 | |
3185557d | 297 | bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ |
cf2a5e0b | 298 | VMLINUX_ENTRY_ADDRESS=$(entry-y) \ |
436c6a44 PB |
299 | PLATFORM="$(platform-y)" \ |
300 | ITS_INPUTS="$(its-y)" | |
eed0eabd PB |
301 | ifdef CONFIG_32BIT |
302 | bootvars-y += ADDR_BITS=32 | |
303 | endif | |
304 | ifdef CONFIG_64BIT | |
305 | bootvars-y += ADDR_BITS=64 | |
306 | endif | |
3185557d | 307 | |
866b6a89 CM |
308 | # This is required to get dwarf unwinding tables into .debug_frame |
309 | # instead of .eh_frame so we don't discard them. | |
310 | KBUILD_CFLAGS += -fno-asynchronous-unwind-tables | |
311 | ||
d503ac53 | 312 | KBUILD_LDFLAGS += -m $(ld-emul) |
1da177e4 | 313 | |
59b3e8e9 | 314 | ifdef CONFIG_MIPS |
b1e0d8b7 | 315 | CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ |
48c35b2d | 316 | egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \ |
73d8f99c | 317 | sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') |
59b3e8e9 RB |
318 | endif |
319 | ||
1da177e4 LT |
320 | OBJCOPYFLAGS += --remove-section=.reginfo |
321 | ||
957b369c | 322 | head-y := arch/mips/kernel/head.o |
1da177e4 LT |
323 | |
324 | libs-y += arch/mips/lib/ | |
42b10815 | 325 | libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/ |
1da177e4 | 326 | |
9aeb404b SR |
327 | # See arch/mips/Kbuild for content of core part of the kernel |
328 | core-y += arch/mips/ | |
1da177e4 | 329 | |
4a5dc51e | 330 | drivers-$(CONFIG_MIPS_CRC_SUPPORT) += arch/mips/crypto/ |
1da177e4 LT |
331 | drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ |
332 | ||
363c55ca WZ |
333 | # suspend and hibernation support |
334 | drivers-$(CONFIG_PM) += arch/mips/power/ | |
335 | ||
38d2d649 JH |
336 | # boot image targets (arch/mips/boot/) |
337 | boot-y := vmlinux.bin | |
338 | boot-y += vmlinux.ecoff | |
339 | boot-y += vmlinux.srec | |
4defe455 JH |
340 | ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0) |
341 | boot-y += uImage | |
9d6b80fa MC |
342 | boot-y += uImage.bin |
343 | boot-y += uImage.bz2 | |
4defe455 | 344 | boot-y += uImage.gz |
9d6b80fa MC |
345 | boot-y += uImage.lzma |
346 | boot-y += uImage.lzo | |
4defe455 | 347 | endif |
cf2a5e0b PB |
348 | boot-y += vmlinux.itb |
349 | boot-y += vmlinux.gz.itb | |
350 | boot-y += vmlinux.bz2.itb | |
351 | boot-y += vmlinux.lzma.itb | |
352 | boot-y += vmlinux.lzo.itb | |
38d2d649 JH |
353 | |
354 | # compressed boot image targets (arch/mips/boot/compressed/) | |
355 | bootz-y := vmlinuz | |
356 | bootz-y += vmlinuz.bin | |
357 | bootz-y += vmlinuz.ecoff | |
358 | bootz-y += vmlinuz.srec | |
ccebb88a MH |
359 | ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) |
360 | bootz-y += uzImage.bin | |
361 | endif | |
38d2d649 | 362 | |
1f21d2bd BM |
363 | ifdef CONFIG_LASAT |
364 | rom.bin rom.sw: vmlinux | |
3185557d JH |
365 | $(Q)$(MAKE) $(build)=arch/mips/lasat/image \ |
366 | $(bootvars-y) $@ | |
1f21d2bd BM |
367 | endif |
368 | ||
1da177e4 LT |
369 | # |
370 | # Some machines like the Indy need 32-bit ELF binaries for booting purposes. | |
371 | # Other need ECOFF, so we build a 32-bit ELF binary for them which we then | |
372 | # convert to ECOFF using elf2ecoff. | |
373 | # | |
007fbbea WZ |
374 | quiet_cmd_32 = OBJCOPY $@ |
375 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 376 | vmlinux.32: vmlinux |
007fbbea | 377 | $(call cmd,32) |
1da177e4 LT |
378 | |
379 | # | |
380 | # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit | |
381 | # ELF files from 32-bit files by conversion. | |
382 | # | |
007fbbea WZ |
383 | quiet_cmd_64 = OBJCOPY $@ |
384 | cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 385 | vmlinux.64: vmlinux |
007fbbea | 386 | $(call cmd,64) |
1da177e4 | 387 | |
637dfa0f | 388 | all: $(all-y) $(KBUILD_DTBS) |
1da177e4 | 389 | |
35eaa1e9 | 390 | # boot |
38d2d649 | 391 | $(boot-y): $(vmlinux-32) FORCE |
3185557d JH |
392 | $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \ |
393 | $(bootvars-y) arch/mips/boot/$@ | |
1da177e4 | 394 | |
26fca83a | 395 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
35eaa1e9 | 396 | # boot/compressed |
38d2d649 | 397 | $(bootz-y): $(vmlinux-32) FORCE |
35eaa1e9 | 398 | $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ |
3185557d | 399 | $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@ |
26fca83a FF |
400 | else |
401 | vmlinuz: FORCE | |
402 | @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' | |
403 | /bin/false | |
404 | endif | |
35eaa1e9 SR |
405 | |
406 | ||
d745866e | 407 | CLEAN_FILES += vmlinux.32 vmlinux.64 |
1da177e4 | 408 | |
7fafb068 | 409 | # device-trees |
37c8a5fa | 410 | core-y += arch/mips/boot/dts/ |
c8d333df | 411 | |
e48ce6b8 AN |
412 | archprepare: |
413 | ifdef CONFIG_MIPS32_N32 | |
8c9b23ff | 414 | @$(kecho) ' Checking missing-syscalls for N32' |
44656fa0 | 415 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" |
e48ce6b8 AN |
416 | endif |
417 | ifdef CONFIG_MIPS32_O32 | |
8c9b23ff | 418 | @$(kecho) ' Checking missing-syscalls for O32' |
44656fa0 | 419 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32" |
e48ce6b8 AN |
420 | endif |
421 | ||
59968d3b RB |
422 | install: |
423 | $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) | |
d9beeeca | 424 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
1b93b3c3 | 425 | $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) |
d9beeeca | 426 | endif |
59968d3b RB |
427 | $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) |
428 | $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) | |
429 | ||
1da177e4 | 430 | archclean: |
d745866e SR |
431 | $(Q)$(MAKE) $(clean)=arch/mips/boot |
432 | $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed | |
aadeec4d | 433 | $(Q)$(MAKE) $(clean)=arch/mips/boot/tools |
d745866e | 434 | $(Q)$(MAKE) $(clean)=arch/mips/lasat |
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 | ||
565 | .PHONY: $(legacy_defconfigs) | |
566 | $(legacy_defconfigs): | |
567 | $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y) |