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 |
de0c1698 | 20 | |
1da177e4 LT |
21 | # |
22 | # Select the object file format to substitute into the linker script. | |
23 | # | |
24 | ifdef CONFIG_CPU_LITTLE_ENDIAN | |
17f690be RB |
25 | 32bit-tool-archpref = mipsel |
26 | 64bit-tool-archpref = mips64el | |
1da177e4 LT |
27 | 32bit-bfd = elf32-tradlittlemips |
28 | 64bit-bfd = elf64-tradlittlemips | |
29 | 32bit-emul = elf32ltsmip | |
30 | 64bit-emul = elf64ltsmip | |
31 | else | |
17f690be RB |
32 | 32bit-tool-archpref = mips |
33 | 64bit-tool-archpref = mips64 | |
1da177e4 LT |
34 | 32bit-bfd = elf32-tradbigmips |
35 | 64bit-bfd = elf64-tradbigmips | |
36 | 32bit-emul = elf32btsmip | |
37 | 64bit-emul = elf64btsmip | |
38 | endif | |
39 | ||
875d43e7 | 40 | ifdef CONFIG_32BIT |
17f690be | 41 | tool-archpref = $(32bit-tool-archpref) |
1da177e4 LT |
42 | UTS_MACHINE := mips |
43 | endif | |
875d43e7 | 44 | ifdef CONFIG_64BIT |
17f690be | 45 | tool-archpref = $(64bit-tool-archpref) |
1da177e4 LT |
46 | UTS_MACHINE := mips64 |
47 | endif | |
48 | ||
17f690be RB |
49 | ifneq ($(SUBARCH),$(ARCH)) |
50 | ifeq ($(CROSS_COMPILE),) | |
3247989e | 51 | CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) |
17f690be | 52 | endif |
1da177e4 LT |
53 | endif |
54 | ||
7326c4e5 WZ |
55 | ifdef CONFIG_FUNCTION_GRAPH_TRACER |
56 | ifndef KBUILD_MCOUNT_RA_ADDRESS | |
57 | ifeq ($(call cc-option-yn,-mmcount-ra-address), y) | |
58 | cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS | |
59 | endif | |
60 | endif | |
61 | endif | |
1a4ba061 | 62 | cflags-y += $(call cc-option, -mno-check-zero-division) |
05e41404 | 63 | |
8145095c | 64 | ifdef CONFIG_32BIT |
1da177e4 LT |
65 | ld-emul = $(32bit-emul) |
66 | vmlinux-32 = vmlinux | |
67 | vmlinux-64 = vmlinux.64 | |
59b3e8e9 RB |
68 | |
69 | cflags-y += -mabi=32 | |
8145095c | 70 | endif |
1da177e4 | 71 | |
8145095c | 72 | ifdef CONFIG_64BIT |
8145095c RB |
73 | ld-emul = $(64bit-emul) |
74 | vmlinux-32 = vmlinux.32 | |
75 | vmlinux-64 = vmlinux | |
76 | ||
59b3e8e9 | 77 | cflags-y += -mabi=64 |
1da177e4 LT |
78 | endif |
79 | ||
8496b401 RB |
80 | all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) |
81 | all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) | |
1b93b3c3 | 82 | all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz |
59b3e8e9 | 83 | |
1da177e4 LT |
84 | # |
85 | # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel | |
86 | # code since it only slows down the whole thing. At some point we might make | |
87 | # use of global pointer optimizations but their use of $28 conflicts with | |
88 | # the current pointer optimization. | |
89 | # | |
90 | # The DECStation requires an ECOFF kernel for remote booting, other MIPS | |
91 | # machines may also. Since BFD is incredibly buggy with respect to | |
92 | # crossformat linking we rely on the elf2ecoff tool for format conversion. | |
93 | # | |
1da177e4 | 94 | cflags-y += -G 0 -mno-abicalls -fno-pic -pipe |
6218cf44 | 95 | cflags-y += -msoft-float |
9f83d839 | 96 | LDFLAGS_vmlinux += -G 0 -static -n -nostdlib |
6588169d SR |
97 | KBUILD_AFLAGS_MODULE += -mlong-calls |
98 | KBUILD_CFLAGS_MODULE += -mlong-calls | |
1da177e4 | 99 | |
e818fac5 MR |
100 | ifeq ($(CONFIG_RELOCATABLE),y) |
101 | LDFLAGS_vmlinux += --emit-relocs | |
102 | endif | |
103 | ||
842dfc11 ML |
104 | # |
105 | # pass -msoft-float to GAS if it supports it. However on newer binutils | |
106 | # (specifically newer than 2.24.51.20140728) we then also need to explicitly | |
107 | # set ".set hardfloat" in all files which manipulate floating point registers. | |
108 | # | |
109 | ifneq ($(call as-option,-Wa$(comma)-msoft-float,),) | |
110 | cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float | |
111 | endif | |
112 | ||
72fbfb26 RB |
113 | cflags-y += -ffreestanding |
114 | ||
f425a6dc TS |
115 | # |
116 | # We explicitly add the endianness specifier if needed, this allows | |
117 | # to compile kernels with a toolchain for the other endianness. We | |
118 | # carefully avoid to add it redundantly because gcc 3.3/3.4 complains | |
119 | # when fed the toolchain default! | |
120 | # | |
25985edc | 121 | # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of |
59c51591 | 122 | # 2006-10-10 don't properly change the predefined symbols if -EB / -EL |
f9405412 RB |
123 | # are used, so we kludge that here. A bug has been filed at |
124 | # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413. | |
125 | # | |
c6d6f4c5 PB |
126 | # clang doesn't suffer from these issues and our checks against -dumpmachine |
127 | # don't work so well when cross compiling, since without providing --target | |
128 | # clang's output will be based upon the build machine. So for clang we simply | |
129 | # unconditionally specify -EB or -EL as appropriate. | |
130 | # | |
076f421d | 131 | ifdef CONFIG_CC_IS_CLANG |
c6d6f4c5 PB |
132 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB |
133 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL | |
134 | else | |
f9405412 RB |
135 | undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__ |
136 | undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__ | |
137 | predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__ | |
138 | predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ | |
139 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) | |
140 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) | |
c6d6f4c5 | 141 | endif |
f425a6dc | 142 | |
9007c9a2 RB |
143 | cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ |
144 | -fno-omit-frame-pointer | |
573deec0 JK |
145 | |
146 | # Some distribution-specific toolchains might pass the -fstack-check | |
147 | # option during the build, which adds a simple stack-probe at the beginning | |
148 | # of every function. This stack probe is to ensure that there is enough | |
149 | # stack space, else a SEGV is generated. This is not desirable for MIPS | |
150 | # as kernel stacks are small, placed in unmapped virtual memory, and do not | |
151 | # grow when overflowed. Especially on SGI IP27 platforms, this check will | |
152 | # lead to a NULL pointer dereference in _raw_spin_lock_irq. | |
153 | # | |
154 | # In disassembly, this stack probe appears at the top of a function as: | |
155 | # sd zero,<offset>(sp) | |
156 | # Where <offset> is a negative value. | |
157 | # | |
158 | cflags-y += -fno-stack-check | |
159 | ||
1da177e4 LT |
160 | # |
161 | # CPU-dependent compiler/assembler options for optimization. | |
162 | # | |
59b3e8e9 RB |
163 | cflags-$(CONFIG_CPU_R3000) += -march=r3000 |
164 | cflags-$(CONFIG_CPU_TX39XX) += -march=r3900 | |
59b3e8e9 RB |
165 | cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap |
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 |
c9e321e0 | 176 | cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \ |
1da177e4 | 177 | -Wa,--trap |
542c1020 SK |
178 | cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ |
179 | -Wa,--trap | |
c9e321e0 | 180 | cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ |
1da177e4 | 181 | -Wa,--trap |
59b3e8e9 | 182 | cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ |
1da177e4 | 183 | -Wa,--trap |
b625cd4a | 184 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ |
1da177e4 | 185 | -Wa,--trap |
b625cd4a MR |
186 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) |
187 | cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) | |
59b3e8e9 RB |
188 | cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap |
189 | cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ | |
1da177e4 | 190 | -Wa,--trap |
7e69deb8 DD |
191 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap |
192 | ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) | |
193 | cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon | |
194 | endif | |
c9941158 | 195 | cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 |
1c7c4451 | 196 | cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap |
1da177e4 | 197 | |
20d60d99 MR |
198 | cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) |
199 | cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) | |
200 | cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) | |
201 | ||
32098ec7 MC |
202 | # For smartmips configurations, there are hundreds of warnings due to ISA overrides |
203 | # in assembly and header files. smartmips is only supported for MIPS32r1 onwards | |
204 | # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or | |
205 | # similar directives in the kernel will spam the build logs with the following warnings: | |
206 | # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater | |
207 | # or | |
208 | # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension | |
209 | # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has | |
210 | # been fixed properly. | |
5306a545 MC |
211 | mips-cflags := $(cflags-y) |
212 | ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) | |
213 | smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips) | |
214 | cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn | |
215 | endif | |
216 | ifeq ($(CONFIG_CPU_MICROMIPS),y) | |
217 | micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips) | |
218 | cflags-$(micromips-ase) += -mmicromips | |
219 | endif | |
32098ec7 | 220 | ifeq ($(CONFIG_CPU_HAS_MSA),y) |
5306a545 | 221 | toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa) |
32098ec7 MC |
222 | cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA |
223 | endif | |
bad50d79 JH |
224 | toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) |
225 | cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT | |
8e4789d2 JH |
226 | # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which |
227 | # only warns | |
228 | xpa-cflags-y := $(mips-cflags) | |
229 | xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings | |
230 | toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa) | |
231 | cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA | |
4a5dc51e MN |
232 | toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc) |
233 | cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC | |
edbb4233 PB |
234 | toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp) |
235 | cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP | |
53511389 PB |
236 | toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv) |
237 | cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV | |
32098ec7 | 238 | |
1da177e4 LT |
239 | # |
240 | # Firmware support | |
241 | # | |
0e2794b0 RB |
242 | libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/ |
243 | libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/ | |
244 | libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/ | |
231a35d3 | 245 | libs-y += arch/mips/fw/lib/ |
1da177e4 | 246 | |
ebc89718 RB |
247 | # |
248 | # Kernel compression | |
249 | # | |
809769a8 | 250 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
ebc89718 RB |
251 | COMPRESSION_FNAME = vmlinuz |
252 | else | |
253 | COMPRESSION_FNAME = vmlinux | |
254 | endif | |
255 | ||
1da177e4 LT |
256 | # |
257 | # Board-dependent options and extra files | |
258 | # | |
a436bb7b | 259 | include arch/mips/Kbuild.platforms |
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 | ||
222d394d | 291 | KBUILD_AFLAGS += $(cflags-y) |
51b563fc | 292 | KBUILD_CFLAGS += $(cflags-y) |
f7fc237e MM |
293 | KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) |
294 | KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) | |
1da177e4 | 295 | |
3185557d | 296 | bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ |
cf2a5e0b | 297 | VMLINUX_ENTRY_ADDRESS=$(entry-y) \ |
436c6a44 PB |
298 | PLATFORM="$(platform-y)" \ |
299 | ITS_INPUTS="$(its-y)" | |
eed0eabd PB |
300 | ifdef CONFIG_32BIT |
301 | bootvars-y += ADDR_BITS=32 | |
302 | endif | |
303 | ifdef CONFIG_64BIT | |
304 | bootvars-y += ADDR_BITS=64 | |
305 | endif | |
3185557d | 306 | |
866b6a89 CM |
307 | # This is required to get dwarf unwinding tables into .debug_frame |
308 | # instead of .eh_frame so we don't discard them. | |
309 | KBUILD_CFLAGS += -fno-asynchronous-unwind-tables | |
310 | ||
d503ac53 | 311 | KBUILD_LDFLAGS += -m $(ld-emul) |
1da177e4 | 312 | |
59b3e8e9 | 313 | ifdef CONFIG_MIPS |
b1e0d8b7 | 314 | CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ |
48c35b2d | 315 | egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \ |
73d8f99c | 316 | sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') |
59b3e8e9 RB |
317 | endif |
318 | ||
1da177e4 LT |
319 | OBJCOPYFLAGS += --remove-section=.reginfo |
320 | ||
957b369c | 321 | head-y := arch/mips/kernel/head.o |
1da177e4 LT |
322 | |
323 | libs-y += arch/mips/lib/ | |
42b10815 | 324 | libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/ |
1da177e4 | 325 | |
9aeb404b SR |
326 | # See arch/mips/Kbuild for content of core part of the kernel |
327 | core-y += arch/mips/ | |
1da177e4 | 328 | |
4a5dc51e | 329 | drivers-$(CONFIG_MIPS_CRC_SUPPORT) += arch/mips/crypto/ |
1da177e4 LT |
330 | drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ |
331 | ||
363c55ca WZ |
332 | # suspend and hibernation support |
333 | drivers-$(CONFIG_PM) += arch/mips/power/ | |
334 | ||
38d2d649 JH |
335 | # boot image targets (arch/mips/boot/) |
336 | boot-y := vmlinux.bin | |
337 | boot-y += vmlinux.ecoff | |
338 | boot-y += vmlinux.srec | |
4defe455 JH |
339 | ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0) |
340 | boot-y += uImage | |
9d6b80fa MC |
341 | boot-y += uImage.bin |
342 | boot-y += uImage.bz2 | |
4defe455 | 343 | boot-y += uImage.gz |
9d6b80fa MC |
344 | boot-y += uImage.lzma |
345 | boot-y += uImage.lzo | |
4defe455 | 346 | endif |
cf2a5e0b PB |
347 | boot-y += vmlinux.itb |
348 | boot-y += vmlinux.gz.itb | |
349 | boot-y += vmlinux.bz2.itb | |
350 | boot-y += vmlinux.lzma.itb | |
351 | boot-y += vmlinux.lzo.itb | |
38d2d649 JH |
352 | |
353 | # compressed boot image targets (arch/mips/boot/compressed/) | |
354 | bootz-y := vmlinuz | |
355 | bootz-y += vmlinuz.bin | |
356 | bootz-y += vmlinuz.ecoff | |
357 | bootz-y += vmlinuz.srec | |
ccebb88a MH |
358 | ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) |
359 | bootz-y += uzImage.bin | |
360 | endif | |
38d2d649 | 361 | |
1f21d2bd BM |
362 | ifdef CONFIG_LASAT |
363 | rom.bin rom.sw: vmlinux | |
3185557d JH |
364 | $(Q)$(MAKE) $(build)=arch/mips/lasat/image \ |
365 | $(bootvars-y) $@ | |
1f21d2bd BM |
366 | endif |
367 | ||
1da177e4 LT |
368 | # |
369 | # Some machines like the Indy need 32-bit ELF binaries for booting purposes. | |
370 | # Other need ECOFF, so we build a 32-bit ELF binary for them which we then | |
371 | # convert to ECOFF using elf2ecoff. | |
372 | # | |
007fbbea WZ |
373 | quiet_cmd_32 = OBJCOPY $@ |
374 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 375 | vmlinux.32: vmlinux |
007fbbea | 376 | $(call cmd,32) |
1da177e4 LT |
377 | |
378 | # | |
379 | # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit | |
380 | # ELF files from 32-bit files by conversion. | |
381 | # | |
007fbbea WZ |
382 | quiet_cmd_64 = OBJCOPY $@ |
383 | cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1da177e4 | 384 | vmlinux.64: vmlinux |
007fbbea | 385 | $(call cmd,64) |
1da177e4 | 386 | |
8496b401 | 387 | all: $(all-y) |
1da177e4 | 388 | |
35eaa1e9 | 389 | # boot |
38d2d649 | 390 | $(boot-y): $(vmlinux-32) FORCE |
3185557d JH |
391 | $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \ |
392 | $(bootvars-y) arch/mips/boot/$@ | |
1da177e4 | 393 | |
26fca83a | 394 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
35eaa1e9 | 395 | # boot/compressed |
38d2d649 | 396 | $(bootz-y): $(vmlinux-32) FORCE |
35eaa1e9 | 397 | $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ |
3185557d | 398 | $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@ |
26fca83a FF |
399 | else |
400 | vmlinuz: FORCE | |
401 | @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' | |
402 | /bin/false | |
403 | endif | |
35eaa1e9 SR |
404 | |
405 | ||
d745866e | 406 | CLEAN_FILES += vmlinux.32 vmlinux.64 |
1da177e4 | 407 | |
7fafb068 | 408 | # device-trees |
37c8a5fa | 409 | core-y += arch/mips/boot/dts/ |
c8d333df | 410 | |
e48ce6b8 AN |
411 | archprepare: |
412 | ifdef CONFIG_MIPS32_N32 | |
8c9b23ff | 413 | @$(kecho) ' Checking missing-syscalls for N32' |
44656fa0 | 414 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" |
e48ce6b8 AN |
415 | endif |
416 | ifdef CONFIG_MIPS32_O32 | |
8c9b23ff | 417 | @$(kecho) ' Checking missing-syscalls for O32' |
44656fa0 | 418 | $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32" |
e48ce6b8 AN |
419 | endif |
420 | ||
59968d3b RB |
421 | install: |
422 | $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) | |
d9beeeca | 423 | ifdef CONFIG_SYS_SUPPORTS_ZBOOT |
1b93b3c3 | 424 | $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) |
d9beeeca | 425 | endif |
59968d3b RB |
426 | $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) |
427 | $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) | |
428 | ||
1da177e4 | 429 | archclean: |
d745866e SR |
430 | $(Q)$(MAKE) $(clean)=arch/mips/boot |
431 | $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed | |
aadeec4d | 432 | $(Q)$(MAKE) $(clean)=arch/mips/boot/tools |
d745866e | 433 | $(Q)$(MAKE) $(clean)=arch/mips/lasat |
1da177e4 | 434 | |
99bf73eb FK |
435 | archheaders: |
436 | $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all | |
437 | ||
e7865765 | 438 | define archhelp |
59968d3b | 439 | echo ' install - install kernel into $(INSTALL_PATH)' |
e7865765 RB |
440 | echo ' vmlinux.ecoff - ECOFF boot image' |
441 | echo ' vmlinux.bin - Raw binary boot image' | |
442 | echo ' vmlinux.srec - SREC boot image' | |
78931652 | 443 | echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)' |
1b93b3c3 WZ |
444 | echo ' vmlinuz - Compressed boot(zboot) image' |
445 | echo ' vmlinuz.ecoff - ECOFF zboot image' | |
446 | echo ' vmlinuz.bin - Raw binary zboot image' | |
447 | echo ' vmlinuz.srec - SREC zboot image' | |
4defe455 | 448 | echo ' uImage - U-Boot image' |
9d6b80fa MC |
449 | echo ' uImage.bin - U-Boot image (uncompressed)' |
450 | echo ' uImage.bz2 - U-Boot image (bz2)' | |
4defe455 | 451 | echo ' uImage.gz - U-Boot image (gzip)' |
9d6b80fa MC |
452 | echo ' uImage.lzma - U-Boot image (lzma)' |
453 | echo ' uImage.lzo - U-Boot image (lzo)' | |
ccebb88a | 454 | echo ' uzImage.bin - U-Boot image (self-extracting)' |
e7865765 | 455 | echo |
25985edc | 456 | echo ' These will be default as appropriate for a configured platform.' |
eed0eabd PB |
457 | echo |
458 | echo ' If you are targeting a system supported by generic kernels you may' | |
459 | echo ' configure the kernel for a given architecture target like so:' | |
460 | echo | |
461 | echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">' | |
462 | echo | |
cccd0b9a JH |
463 | echo ' Where BOARDS is some subset of the following:' |
464 | for board in $(sort $(BOARDS)); do echo " $${board}"; done | |
465 | echo | |
466 | echo ' Specifically the following generic default configurations are' | |
467 | echo ' supported:' | |
468 | echo | |
469 | $(foreach cfg,$(generic_defconfigs), | |
470 | printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);) | |
471 | echo | |
472 | echo ' The following legacy default configurations have been converted to' | |
473 | echo ' generic and can still be used:' | |
474 | echo | |
475 | $(foreach cfg,$(sort $(legacy_defconfigs)), | |
476 | printf " %-24s - Build $($(cfg)-y)\n" $(cfg);) | |
477 | echo | |
eed0eabd | 478 | echo ' Otherwise, the following default configurations are available:' |
e7865765 | 479 | endef |
eed0eabd PB |
480 | |
481 | generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic | |
482 | generic_defconfigs := | |
483 | ||
484 | # | |
485 | # If the user generates a generic kernel configuration without specifying a | |
486 | # list of boards to include the config fragments for, default to including all | |
487 | # available board config fragments. | |
488 | # | |
489 | ifeq ($(BOARDS),) | |
490 | BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config))) | |
491 | endif | |
492 | ||
493 | # | |
494 | # Generic kernel configurations which merge generic_defconfig with the | |
495 | # appropriate config fragments from arch/mips/configs/generic/, resulting in | |
496 | # the ability to easily configure the kernel for a given architecture, | |
497 | # endianness & set of boards without duplicating the needed configuration in | |
498 | # hundreds of defconfig files. | |
499 | # | |
500 | define gen_generic_defconfigs | |
501 | $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3), | |
502 | target := $(bits)$(rev)$(filter el,$(endian))_defconfig | |
503 | generic_defconfigs += $$(target) | |
504 | $$(target): $(generic_config_dir)/$(bits)$(rev).config | |
505 | $$(target): $(generic_config_dir)/$(endian).config | |
506 | ))) | |
507 | endef | |
508 | ||
509 | $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el)) | |
510 | $(eval $(call gen_generic_defconfigs,micro32,r2,eb el)) | |
511 | ||
cccd0b9a JH |
512 | define describe_generic_defconfig |
513 | $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1))))) | |
514 | endef | |
515 | ||
eed0eabd PB |
516 | .PHONY: $(generic_defconfigs) |
517 | $(generic_defconfigs): | |
518 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ | |
27e0d4b0 PB |
519 | -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \ |
520 | grep -Ev '^#' | |
521 | $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@ | |
522 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \ | |
523 | KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null | |
524 | $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \ | |
525 | $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \ | |
526 | "$(origin BOARDS)" $(BOARDS) | |
337b775b | 527 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
eed0eabd PB |
528 | |
529 | # | |
530 | # Prevent generic merge_config rules attempting to merge single fragments | |
531 | # | |
532 | $(generic_config_dir)/%.config: ; | |
3f5f0a44 | 533 | |
a4c2f797 PB |
534 | # |
535 | # Prevent direct use of generic_defconfig, which is intended to be used as the | |
536 | # basis of the various ISA-specific targets generated above. | |
537 | # | |
538 | .PHONY: generic_defconfig | |
539 | generic_defconfig: | |
540 | $(Q)echo "generic_defconfig is not intended for direct use, but should instead be" | |
541 | $(Q)echo "used via an ISA-specific target from the following list:" | |
542 | $(Q)echo | |
543 | $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done | |
544 | $(Q)echo | |
545 | $(Q)false | |
546 | ||
3f5f0a44 PB |
547 | # |
548 | # Legacy defconfig compatibility - these targets used to be real defconfigs but | |
549 | # now that the boards have been converted to use the generic kernel they are | |
550 | # wrappers around the generic rules above. | |
551 | # | |
6bce3dea AB |
552 | legacy_defconfigs += ocelot_defconfig |
553 | ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot | |
554 | ||
318df806 JH |
555 | legacy_defconfigs += sead3_defconfig |
556 | sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3 | |
3f5f0a44 | 557 | |
318df806 JH |
558 | legacy_defconfigs += sead3micro_defconfig |
559 | sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3 | |
0861aa12 | 560 | |
318df806 JH |
561 | legacy_defconfigs += xilfpga_defconfig |
562 | xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga | |
563 | ||
564 | .PHONY: $(legacy_defconfigs) | |
565 | $(legacy_defconfigs): | |
566 | $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y) |