Merge tag 'locks-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton...
[linux-2.6-block.git] / arch / mips / Makefile
CommitLineData
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 15archscripts: scripts_basic
e245767a 16 $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry
e4acfbc1
PB
17ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y)
18 $(Q)$(MAKE) $(build)=arch/mips/tools loongson3-llsc-check
19endif
aadeec4d
MR
20 $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
21
04d8405e 22KBUILD_DEFCONFIG := 32r2el_defconfig
637dfa0f 23KBUILD_DTBS := dtbs
de0c1698 24
1da177e4
LT
25#
26# Select the object file format to substitute into the linker script.
27#
28ifdef CONFIG_CPU_LITTLE_ENDIAN
17f690be
RB
2932bit-tool-archpref = mipsel
3064bit-tool-archpref = mips64el
1da177e4
LT
3132bit-bfd = elf32-tradlittlemips
3264bit-bfd = elf64-tradlittlemips
3332bit-emul = elf32ltsmip
3464bit-emul = elf64ltsmip
35else
17f690be
RB
3632bit-tool-archpref = mips
3764bit-tool-archpref = mips64
1da177e4
LT
3832bit-bfd = elf32-tradbigmips
3964bit-bfd = elf64-tradbigmips
4032bit-emul = elf32btsmip
4164bit-emul = elf64btsmip
42endif
43
875d43e7 44ifdef CONFIG_32BIT
17f690be 45tool-archpref = $(32bit-tool-archpref)
1da177e4
LT
46UTS_MACHINE := mips
47endif
875d43e7 48ifdef CONFIG_64BIT
17f690be 49tool-archpref = $(64bit-tool-archpref)
1da177e4
LT
50UTS_MACHINE := mips64
51endif
52
17f690be
RB
53ifneq ($(SUBARCH),$(ARCH))
54 ifeq ($(CROSS_COMPILE),)
3247989e 55 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
17f690be 56 endif
1da177e4
LT
57endif
58
7326c4e5
WZ
59ifdef CONFIG_FUNCTION_GRAPH_TRACER
60 ifndef KBUILD_MCOUNT_RA_ADDRESS
61 ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
62 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
63 endif
64 endif
65endif
1a4ba061 66cflags-y += $(call cc-option, -mno-check-zero-division)
05e41404 67
8145095c 68ifdef CONFIG_32BIT
1da177e4
LT
69ld-emul = $(32bit-emul)
70vmlinux-32 = vmlinux
71vmlinux-64 = vmlinux.64
59b3e8e9
RB
72
73cflags-y += -mabi=32
8145095c 74endif
1da177e4 75
8145095c 76ifdef CONFIG_64BIT
8145095c
RB
77ld-emul = $(64bit-emul)
78vmlinux-32 = vmlinux.32
79vmlinux-64 = vmlinux
80
59b3e8e9 81cflags-y += -mabi=64
1da177e4
LT
82endif
83
8496b401
RB
84all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
85all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
1b93b3c3 86all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
59b3e8e9 87
1da177e4
LT
88#
89# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
90# code since it only slows down the whole thing. At some point we might make
91# use of global pointer optimizations but their use of $28 conflicts with
92# the current pointer optimization.
93#
94# The DECStation requires an ECOFF kernel for remote booting, other MIPS
95# machines may also. Since BFD is incredibly buggy with respect to
96# crossformat linking we rely on the elf2ecoff tool for format conversion.
97#
1da177e4 98cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
6218cf44 99cflags-y += -msoft-float
9f83d839 100LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
6588169d
SR
101KBUILD_AFLAGS_MODULE += -mlong-calls
102KBUILD_CFLAGS_MODULE += -mlong-calls
1da177e4 103
e818fac5
MR
104ifeq ($(CONFIG_RELOCATABLE),y)
105LDFLAGS_vmlinux += --emit-relocs
106endif
107
842dfc11
ML
108#
109# pass -msoft-float to GAS if it supports it. However on newer binutils
110# (specifically newer than 2.24.51.20140728) we then also need to explicitly
111# set ".set hardfloat" in all files which manipulate floating point registers.
112#
113ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
114 cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
115endif
116
72fbfb26
RB
117cflags-y += -ffreestanding
118
c6d6f4c5
PB
119cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
120cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL
f425a6dc 121
9007c9a2
RB
122cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
123 -fno-omit-frame-pointer
573deec0
JK
124
125# Some distribution-specific toolchains might pass the -fstack-check
126# option during the build, which adds a simple stack-probe at the beginning
127# of every function. This stack probe is to ensure that there is enough
128# stack space, else a SEGV is generated. This is not desirable for MIPS
129# as kernel stacks are small, placed in unmapped virtual memory, and do not
130# grow when overflowed. Especially on SGI IP27 platforms, this check will
131# lead to a NULL pointer dereference in _raw_spin_lock_irq.
132#
133# In disassembly, this stack probe appears at the top of a function as:
134# sd zero,<offset>(sp)
135# Where <offset> is a negative value.
136#
137cflags-y += -fno-stack-check
138
1da177e4
LT
139#
140# CPU-dependent compiler/assembler options for optimization.
141#
59b3e8e9
RB
142cflags-$(CONFIG_CPU_R3000) += -march=r3000
143cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
59b3e8e9
RB
144cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
145cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
146cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
344ebf09
PB
147cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap
148cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
ab7c01fd 149cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg
21855a6e 150cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
344ebf09
PB
151cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
152cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
ab7c01fd 153cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap
7fd08ca5 154cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
281e3aea 155cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg
59b3e8e9 156cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
542c1020
SK
157cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
158 -Wa,--trap
c9e321e0 159cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
1da177e4 160 -Wa,--trap
59b3e8e9 161cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
1da177e4 162 -Wa,--trap
b625cd4a 163cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
1da177e4 164 -Wa,--trap
b625cd4a
MR
165cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
166cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
59b3e8e9 167cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
1da177e4 168 -Wa,--trap
7e69deb8
DD
169cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
170ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
171cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
172endif
c9941158 173cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
1c7c4451 174cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
1da177e4 175
20d60d99
MR
176cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
177cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
178cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
179
32098ec7
MC
180# For smartmips configurations, there are hundreds of warnings due to ISA overrides
181# in assembly and header files. smartmips is only supported for MIPS32r1 onwards
182# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
183# similar directives in the kernel will spam the build logs with the following warnings:
184# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
185# or
186# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
187# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
188# been fixed properly.
5306a545
MC
189mips-cflags := $(cflags-y)
190ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
191smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
192cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
193endif
194ifeq ($(CONFIG_CPU_MICROMIPS),y)
195micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
196cflags-$(micromips-ase) += -mmicromips
197endif
32098ec7 198ifeq ($(CONFIG_CPU_HAS_MSA),y)
5306a545 199toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
32098ec7
MC
200cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
201endif
bad50d79
JH
202toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
203cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
8e4789d2
JH
204# For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which
205# only warns
206xpa-cflags-y := $(mips-cflags)
207xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings
208toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa)
209cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA
4a5dc51e
MN
210toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
211cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC
edbb4233
PB
212toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
213cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP
53511389
PB
214toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
215cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV
32098ec7 216
1da177e4
LT
217#
218# Firmware support
219#
0e2794b0
RB
220libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
221libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
222libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
231a35d3 223libs-y += arch/mips/fw/lib/
1da177e4 224
ebc89718
RB
225#
226# Kernel compression
227#
809769a8 228ifdef CONFIG_SYS_SUPPORTS_ZBOOT
ebc89718
RB
229COMPRESSION_FNAME = vmlinuz
230else
231COMPRESSION_FNAME = vmlinux
232endif
233
1da177e4
LT
234#
235# Board-dependent options and extra files
236#
a436bb7b 237include arch/mips/Kbuild.platforms
7ca5dc14 238
abe77f90 239ifdef CONFIG_PHYSICAL_START
70342287 240load-y = $(CONFIG_PHYSICAL_START)
abe77f90 241endif
5fc9484f 242
e245767a 243entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
384740dc 244cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
1da177e4
LT
245drivers-$(CONFIG_PCI) += arch/mips/pci/
246
adff90a9
FBH
247#
248# Automatically detect the build format. By default we choose
249# the elf format according to the load address.
250# We can always force a build with a 64-bits symbol format by
054c51b4 251# passing 'KBUILD_SYM32=no' option to the make's command line.
adff90a9
FBH
252#
253ifdef CONFIG_64BIT
054c51b4 254 ifndef KBUILD_SYM32
adff90a9 255 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
054c51b4 256 KBUILD_SYM32 = y
adff90a9
FBH
257 endif
258 endif
259
20d60d99
MR
260 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
261 cflags-y += -msym32 -DKBUILD_64BIT_SYM32
262 else
263 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
264 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
e58d95ab 265 endif
adff90a9
FBH
266 endif
267endif
268
ff487d41
JY
269# When linking a 32-bit executable the LLVM linker cannot cope with a
270# 32-bit load address that has been sign-extended to 64 bits. Simply
271# remove the upper 32 bits then, as it is safe to do so with other
272# linkers.
273ifdef CONFIG_64BIT
274 load-ld = $(load-y)
275else
276 load-ld = $(subst 0xffffffff,0x,$(load-y))
277endif
278
222d394d 279KBUILD_AFLAGS += $(cflags-y)
51b563fc 280KBUILD_CFLAGS += $(cflags-y)
ff487d41 281KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
f7fc237e 282KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
1da177e4 283
3185557d 284bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
ff487d41 285 LINKER_LOAD_ADDRESS=$(load-ld) \
cf2a5e0b 286 VMLINUX_ENTRY_ADDRESS=$(entry-y) \
436c6a44
PB
287 PLATFORM="$(platform-y)" \
288 ITS_INPUTS="$(its-y)"
eed0eabd
PB
289ifdef CONFIG_32BIT
290bootvars-y += ADDR_BITS=32
291endif
292ifdef CONFIG_64BIT
293bootvars-y += ADDR_BITS=64
294endif
3185557d 295
866b6a89
CM
296# This is required to get dwarf unwinding tables into .debug_frame
297# instead of .eh_frame so we don't discard them.
298KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
299
d503ac53 300KBUILD_LDFLAGS += -m $(ld-emul)
1da177e4 301
59b3e8e9 302ifdef CONFIG_MIPS
b1e0d8b7 303CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
48c35b2d 304 egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
73d8f99c 305 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
59b3e8e9
RB
306endif
307
1da177e4
LT
308OBJCOPYFLAGS += --remove-section=.reginfo
309
957b369c 310head-y := arch/mips/kernel/head.o
1da177e4
LT
311
312libs-y += arch/mips/lib/
42b10815 313libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
1da177e4 314
9aeb404b
SR
315# See arch/mips/Kbuild for content of core part of the kernel
316core-y += arch/mips/
1da177e4 317
3a2f58f3 318drivers-y += arch/mips/crypto/
1da177e4
LT
319drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
320
363c55ca
WZ
321# suspend and hibernation support
322drivers-$(CONFIG_PM) += arch/mips/power/
323
38d2d649
JH
324# boot image targets (arch/mips/boot/)
325boot-y := vmlinux.bin
326boot-y += vmlinux.ecoff
327boot-y += vmlinux.srec
4defe455
JH
328ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
329boot-y += uImage
9d6b80fa
MC
330boot-y += uImage.bin
331boot-y += uImage.bz2
4defe455 332boot-y += uImage.gz
9d6b80fa
MC
333boot-y += uImage.lzma
334boot-y += uImage.lzo
4defe455 335endif
cf2a5e0b
PB
336boot-y += vmlinux.itb
337boot-y += vmlinux.gz.itb
338boot-y += vmlinux.bz2.itb
339boot-y += vmlinux.lzma.itb
340boot-y += vmlinux.lzo.itb
38d2d649
JH
341
342# compressed boot image targets (arch/mips/boot/compressed/)
343bootz-y := vmlinuz
344bootz-y += vmlinuz.bin
345bootz-y += vmlinuz.ecoff
346bootz-y += vmlinuz.srec
ccebb88a
MH
347ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0)
348bootz-y += uzImage.bin
349endif
38d2d649 350
1da177e4
LT
351#
352# Some machines like the Indy need 32-bit ELF binaries for booting purposes.
353# Other need ECOFF, so we build a 32-bit ELF binary for them which we then
354# convert to ECOFF using elf2ecoff.
355#
007fbbea
WZ
356quiet_cmd_32 = OBJCOPY $@
357 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
1da177e4 358vmlinux.32: vmlinux
007fbbea 359 $(call cmd,32)
1da177e4
LT
360
361#
362# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
363# ELF files from 32-bit files by conversion.
364#
007fbbea
WZ
365quiet_cmd_64 = OBJCOPY $@
366 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
1da177e4 367vmlinux.64: vmlinux
007fbbea 368 $(call cmd,64)
1da177e4 369
637dfa0f 370all: $(all-y) $(KBUILD_DTBS)
1da177e4 371
35eaa1e9 372# boot
38d2d649 373$(boot-y): $(vmlinux-32) FORCE
3185557d
JH
374 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
375 $(bootvars-y) arch/mips/boot/$@
1da177e4 376
26fca83a 377ifdef CONFIG_SYS_SUPPORTS_ZBOOT
35eaa1e9 378# boot/compressed
38d2d649 379$(bootz-y): $(vmlinux-32) FORCE
35eaa1e9 380 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
3185557d 381 $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@
26fca83a
FF
382else
383vmlinuz: FORCE
384 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
385 /bin/false
386endif
35eaa1e9
SR
387
388
d745866e 389CLEAN_FILES += vmlinux.32 vmlinux.64
1da177e4 390
7fafb068 391# device-trees
37c8a5fa 392core-y += arch/mips/boot/dts/
c8d333df 393
e48ce6b8
AN
394archprepare:
395ifdef CONFIG_MIPS32_N32
8c9b23ff 396 @$(kecho) ' Checking missing-syscalls for N32'
44656fa0 397 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
e48ce6b8
AN
398endif
399ifdef CONFIG_MIPS32_O32
8c9b23ff 400 @$(kecho) ' Checking missing-syscalls for O32'
44656fa0 401 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
e48ce6b8
AN
402endif
403
59968d3b
RB
404install:
405 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
d9beeeca 406ifdef CONFIG_SYS_SUPPORTS_ZBOOT
1b93b3c3 407 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
d9beeeca 408endif
59968d3b
RB
409 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
410 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
411
1da177e4 412archclean:
d745866e
SR
413 $(Q)$(MAKE) $(clean)=arch/mips/boot
414 $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
aadeec4d 415 $(Q)$(MAKE) $(clean)=arch/mips/boot/tools
1da177e4 416
99bf73eb
FK
417archheaders:
418 $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
419
e7865765 420define archhelp
59968d3b 421 echo ' install - install kernel into $(INSTALL_PATH)'
e7865765
RB
422 echo ' vmlinux.ecoff - ECOFF boot image'
423 echo ' vmlinux.bin - Raw binary boot image'
424 echo ' vmlinux.srec - SREC boot image'
78931652 425 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
1b93b3c3
WZ
426 echo ' vmlinuz - Compressed boot(zboot) image'
427 echo ' vmlinuz.ecoff - ECOFF zboot image'
428 echo ' vmlinuz.bin - Raw binary zboot image'
429 echo ' vmlinuz.srec - SREC zboot image'
4defe455 430 echo ' uImage - U-Boot image'
9d6b80fa
MC
431 echo ' uImage.bin - U-Boot image (uncompressed)'
432 echo ' uImage.bz2 - U-Boot image (bz2)'
4defe455 433 echo ' uImage.gz - U-Boot image (gzip)'
9d6b80fa
MC
434 echo ' uImage.lzma - U-Boot image (lzma)'
435 echo ' uImage.lzo - U-Boot image (lzo)'
ccebb88a 436 echo ' uzImage.bin - U-Boot image (self-extracting)'
e7865765 437 echo
25985edc 438 echo ' These will be default as appropriate for a configured platform.'
eed0eabd
PB
439 echo
440 echo ' If you are targeting a system supported by generic kernels you may'
441 echo ' configure the kernel for a given architecture target like so:'
442 echo
443 echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
444 echo
cccd0b9a
JH
445 echo ' Where BOARDS is some subset of the following:'
446 for board in $(sort $(BOARDS)); do echo " $${board}"; done
447 echo
448 echo ' Specifically the following generic default configurations are'
449 echo ' supported:'
450 echo
451 $(foreach cfg,$(generic_defconfigs),
452 printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);)
453 echo
454 echo ' The following legacy default configurations have been converted to'
455 echo ' generic and can still be used:'
456 echo
457 $(foreach cfg,$(sort $(legacy_defconfigs)),
458 printf " %-24s - Build $($(cfg)-y)\n" $(cfg);)
459 echo
eed0eabd 460 echo ' Otherwise, the following default configurations are available:'
e7865765 461endef
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462
463generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
464generic_defconfigs :=
465
466#
467# If the user generates a generic kernel configuration without specifying a
468# list of boards to include the config fragments for, default to including all
469# available board config fragments.
470#
471ifeq ($(BOARDS),)
472BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
473endif
474
475#
476# Generic kernel configurations which merge generic_defconfig with the
477# appropriate config fragments from arch/mips/configs/generic/, resulting in
478# the ability to easily configure the kernel for a given architecture,
479# endianness & set of boards without duplicating the needed configuration in
480# hundreds of defconfig files.
481#
482define gen_generic_defconfigs
483$(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
484target := $(bits)$(rev)$(filter el,$(endian))_defconfig
485generic_defconfigs += $$(target)
486$$(target): $(generic_config_dir)/$(bits)$(rev).config
487$$(target): $(generic_config_dir)/$(endian).config
488)))
489endef
490
491$(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
492$(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
493
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494define describe_generic_defconfig
495$(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1)))))
496endef
497
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498.PHONY: $(generic_defconfigs)
499$(generic_defconfigs):
500 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
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501 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
502 grep -Ev '^#'
503 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
504 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
505 KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
506 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
507 $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
508 "$(origin BOARDS)" $(BOARDS)
337b775b 509 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
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510
511#
512# Prevent generic merge_config rules attempting to merge single fragments
513#
514$(generic_config_dir)/%.config: ;
3f5f0a44 515
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516#
517# Prevent direct use of generic_defconfig, which is intended to be used as the
518# basis of the various ISA-specific targets generated above.
519#
520.PHONY: generic_defconfig
521generic_defconfig:
522 $(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
523 $(Q)echo "used via an ISA-specific target from the following list:"
524 $(Q)echo
525 $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done
526 $(Q)echo
527 $(Q)false
528
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529#
530# Legacy defconfig compatibility - these targets used to be real defconfigs but
531# now that the boards have been converted to use the generic kernel they are
532# wrappers around the generic rules above.
533#
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534legacy_defconfigs += ocelot_defconfig
535ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot
536
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537legacy_defconfigs += sead3_defconfig
538sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3
3f5f0a44 539
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540legacy_defconfigs += sead3micro_defconfig
541sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3
0861aa12 542
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543legacy_defconfigs += xilfpga_defconfig
544xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga
545
546.PHONY: $(legacy_defconfigs)
547$(legacy_defconfigs):
548 $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)