1 # SPDX-License-Identifier: GPL-2.0-only <<
2 # 1 #
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Syn !! 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.
4 # 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
>> 15 archscripts: scripts_basic
>> 16 $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
5 17
6 KBUILD_DEFCONFIG := haps_hs_smp_defconfig !! 18 KBUILD_DEFCONFIG := ip22_defconfig
7 19
8 ifeq ($(CROSS_COMPILE),) !! 20 #
9 CROSS_COMPILE := $(call cc-cross-prefix, arc-l !! 21 # Select the object file format to substitute into the linker script.
>> 22 #
>> 23 ifdef CONFIG_CPU_LITTLE_ENDIAN
>> 24 32bit-tool-archpref = mipsel
>> 25 64bit-tool-archpref = mips64el
>> 26 32bit-bfd = elf32-tradlittlemips
>> 27 64bit-bfd = elf64-tradlittlemips
>> 28 32bit-emul = elf32ltsmip
>> 29 64bit-emul = elf64ltsmip
>> 30 else
>> 31 32bit-tool-archpref = mips
>> 32 64bit-tool-archpref = mips64
>> 33 32bit-bfd = elf32-tradbigmips
>> 34 64bit-bfd = elf64-tradbigmips
>> 35 32bit-emul = elf32btsmip
>> 36 64bit-emul = elf64btsmip
10 endif 37 endif
11 38
12 cflags-y += -fno-common -pipe -fno-buil !! 39 ifdef CONFIG_32BIT
>> 40 tool-archpref = $(32bit-tool-archpref)
>> 41 UTS_MACHINE := mips
>> 42 endif
>> 43 ifdef CONFIG_64BIT
>> 44 tool-archpref = $(64bit-tool-archpref)
>> 45 UTS_MACHINE := mips64
>> 46 endif
13 47
14 tune-mcpu-def-$(CONFIG_ISA_ARCOMPACT) := -mc !! 48 ifneq ($(SUBARCH),$(ARCH))
15 tune-mcpu-def-$(CONFIG_ISA_ARCV2) := -mc !! 49 ifeq ($(CROSS_COMPILE),)
>> 50 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
>> 51 endif
>> 52 endif
16 53
17 ifeq ($(CONFIG_ARC_TUNE_MCPU),) !! 54 ifdef CONFIG_FUNCTION_GRAPH_TRACER
18 cflags-y += $(t !! 55 ifndef KBUILD_MCOUNT_RA_ADDRESS
19 else !! 56 ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
20 tune-mcpu := $(C !! 57 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
21 ifneq ($(call cc-option,$(tune-mcpu)),) !! 58 endif
22 cflags-y += $(t !! 59 endif
23 else <<
24 # The flag provided by 'CONFIG_ARC_TUNE_MCPU' <<
25 # (probably the compiler is too old). Use ISA <<
26 $(warning ** WARNING ** CONFIG_ARC_TUNE_MCPU f <<
27 cflags-y += $(t <<
28 endif 60 endif
>> 61 cflags-y += $(call cc-option, -mno-check-zero-division)
>> 62
>> 63 ifdef CONFIG_32BIT
>> 64 ld-emul = $(32bit-emul)
>> 65 vmlinux-32 = vmlinux
>> 66 vmlinux-64 = vmlinux.64
>> 67
>> 68 cflags-y += -mabi=32
29 endif 69 endif
30 70
31 ifdef CONFIG_ARC_CURR_IN_REG !! 71 ifdef CONFIG_64BIT
32 # For a global register definition, make sure !! 72 ld-emul = $(64bit-emul)
33 # We had a customer reported bug where some co !! 73 vmlinux-32 = vmlinux.32
34 # any kernel headers, and missing the global r !! 74 vmlinux-64 = vmlinux
35 # Can't do unconditionally because of recursiv !! 75
36 # due to <linux/thread_info.h> !! 76 cflags-y += -mabi=64
37 LINUXINCLUDE += -include $(srctree)/arch/a <<
38 cflags-y += -ffixed-gp <<
39 endif 77 endif
40 78
41 cflags-y += -fs !! 79 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
>> 80 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
>> 81 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
42 82
43 cflags-$(CONFIG_ARC_HAS_LLSC) += -ml !! 83 #
44 cflags-$(CONFIG_ARC_HAS_SWAPE) += -ms !! 84 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
>> 85 # code since it only slows down the whole thing. At some point we might make
>> 86 # use of global pointer optimizations but their use of $28 conflicts with
>> 87 # the current pointer optimization.
>> 88 #
>> 89 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
>> 90 # machines may also. Since BFD is incredibly buggy with respect to
>> 91 # crossformat linking we rely on the elf2ecoff tool for format conversion.
>> 92 #
>> 93 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
>> 94 cflags-y += -msoft-float
>> 95 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
>> 96 KBUILD_AFLAGS_MODULE += -mlong-calls
>> 97 KBUILD_CFLAGS_MODULE += -mlong-calls
45 98
46 ifdef CONFIG_ISA_ARCV2 !! 99 ifeq ($(CONFIG_RELOCATABLE),y)
>> 100 LDFLAGS_vmlinux += --emit-relocs
>> 101 endif
47 102
48 ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS !! 103 #
49 cflags-y += -mu !! 104 # pass -msoft-float to GAS if it supports it. However on newer binutils
>> 105 # (specifically newer than 2.24.51.20140728) we then also need to explicitly
>> 106 # set ".set hardfloat" in all files which manipulate floating point registers.
>> 107 #
>> 108 ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
>> 109 cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
>> 110 endif
>> 111
>> 112 cflags-y += -ffreestanding
>> 113
>> 114 #
>> 115 # We explicitly add the endianness specifier if needed, this allows
>> 116 # to compile kernels with a toolchain for the other endianness. We
>> 117 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
>> 118 # when fed the toolchain default!
>> 119 #
>> 120 # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
>> 121 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
>> 122 # are used, so we kludge that here. A bug has been filed at
>> 123 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
>> 124 #
>> 125 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
>> 126 undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
>> 127 predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
>> 128 predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
>> 129 cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
>> 130 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
>> 131
>> 132 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
>> 133 -fno-omit-frame-pointer
>> 134
>> 135 # Some distribution-specific toolchains might pass the -fstack-check
>> 136 # option during the build, which adds a simple stack-probe at the beginning
>> 137 # of every function. This stack probe is to ensure that there is enough
>> 138 # stack space, else a SEGV is generated. This is not desirable for MIPS
>> 139 # as kernel stacks are small, placed in unmapped virtual memory, and do not
>> 140 # grow when overflowed. Especially on SGI IP27 platforms, this check will
>> 141 # lead to a NULL pointer dereference in _raw_spin_lock_irq.
>> 142 #
>> 143 # In disassembly, this stack probe appears at the top of a function as:
>> 144 # sd zero,<offset>(sp)
>> 145 # Where <offset> is a negative value.
>> 146 #
>> 147 cflags-y += -fno-stack-check
>> 148
>> 149 #
>> 150 # CPU-dependent compiler/assembler options for optimization.
>> 151 #
>> 152 cflags-$(CONFIG_CPU_R3000) += -march=r3000
>> 153 cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
>> 154 cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap
>> 155 cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
>> 156 cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
>> 157 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
>> 158 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
>> 159 cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
>> 160 -Wa,-mips32 -Wa,--trap
>> 161 cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
>> 162 -Wa,-mips32r2 -Wa,--trap
>> 163 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap
>> 164 cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
>> 165 -Wa,-mips64 -Wa,--trap
>> 166 cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
>> 167 -Wa,-mips64r2 -Wa,--trap
>> 168 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
>> 169 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
>> 170 cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
>> 171 -Wa,--trap
>> 172 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
>> 173 -Wa,--trap
>> 174 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
>> 175 -Wa,--trap
>> 176 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
>> 177 -Wa,--trap
>> 178 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
>> 179 -Wa,--trap
>> 180 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
>> 181 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
>> 182 cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
>> 183 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
>> 184 -Wa,--trap
>> 185 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
>> 186 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
>> 187 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
>> 188 endif
>> 189 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
>> 190 cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
>> 191
>> 192 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
>> 193 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
>> 194 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
>> 195
>> 196 # For smartmips configurations, there are hundreds of warnings due to ISA overrides
>> 197 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
>> 198 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
>> 199 # similar directives in the kernel will spam the build logs with the following warnings:
>> 200 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
>> 201 # or
>> 202 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
>> 203 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
>> 204 # been fixed properly.
>> 205 mips-cflags := $(cflags-y)
>> 206 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
>> 207 smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
>> 208 cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
>> 209 endif
>> 210 ifeq ($(CONFIG_CPU_MICROMIPS),y)
>> 211 micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
>> 212 cflags-$(micromips-ase) += -mmicromips
>> 213 endif
>> 214 ifeq ($(CONFIG_CPU_HAS_MSA),y)
>> 215 toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
>> 216 cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
>> 217 endif
>> 218 toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
>> 219 cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
>> 220
>> 221 #
>> 222 # Firmware support
>> 223 #
>> 224 libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
>> 225 libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
>> 226 libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
>> 227 libs-y += arch/mips/fw/lib/
>> 228
>> 229 #
>> 230 # Kernel compression
>> 231 #
>> 232 ifdef SYS_SUPPORTS_ZBOOT
>> 233 COMPRESSION_FNAME = vmlinuz
50 else 234 else
51 cflags-y += -mn !! 235 COMPRESSION_FNAME = vmlinux
>> 236 endif
>> 237
>> 238 #
>> 239 # Board-dependent options and extra files
>> 240 #
>> 241 include arch/mips/Kbuild.platforms
>> 242
>> 243 ifdef CONFIG_PHYSICAL_START
>> 244 load-y = $(CONFIG_PHYSICAL_START)
52 endif 245 endif
>> 246 entry-y = 0x$(shell $(NM) vmlinux 2>/dev/null \
>> 247 | grep "\bkernel_entry\b" | cut -f1 -d \ )
>> 248
>> 249 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
>> 250 drivers-$(CONFIG_PCI) += arch/mips/pci/
53 251
54 ifndef CONFIG_ARC_HAS_LL64 !! 252 #
55 cflags-y += -mn !! 253 # Automatically detect the build format. By default we choose
>> 254 # the elf format according to the load address.
>> 255 # We can always force a build with a 64-bits symbol format by
>> 256 # passing 'KBUILD_SYM32=no' option to the make's command line.
>> 257 #
>> 258 ifdef CONFIG_64BIT
>> 259 ifndef KBUILD_SYM32
>> 260 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
>> 261 KBUILD_SYM32 = y
>> 262 endif
>> 263 endif
>> 264
>> 265 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
>> 266 cflags-y += -msym32 -DKBUILD_64BIT_SYM32
>> 267 else
>> 268 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
>> 269 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
>> 270 endif
>> 271 endif
56 endif 272 endif
57 273
58 ifndef CONFIG_ARC_HAS_DIV_REM !! 274 KBUILD_AFLAGS += $(cflags-y)
59 cflags-y += -mn !! 275 KBUILD_CFLAGS += $(cflags-y)
>> 276 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
>> 277 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
>> 278
>> 279 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
>> 280 VMLINUX_ENTRY_ADDRESS=$(entry-y) \
>> 281 PLATFORM="$(platform-y)"
>> 282 ifdef CONFIG_32BIT
>> 283 bootvars-y += ADDR_BITS=32
>> 284 endif
>> 285 ifdef CONFIG_64BIT
>> 286 bootvars-y += ADDR_BITS=64
60 endif 287 endif
61 288
>> 289 LDFLAGS += -m $(ld-emul)
>> 290
>> 291 ifdef CONFIG_MIPS
>> 292 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
>> 293 egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
>> 294 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
>> 295 ifdef CONFIG_64BIT
>> 296 CHECKFLAGS += -m64
>> 297 endif
62 endif 298 endif
63 299
64 cfi := $(call as-instr,.cfi_startproc\n.cfi_en !! 300 OBJCOPYFLAGS += --remove-section=.reginfo
65 cflags-$(CONFIG_ARC_DW2_UNWIND) += -fa <<
66 301
67 # small data is default for elf32 tool-chain. !! 302 head-y := arch/mips/kernel/head.o
68 # This also allows repurposing GP as scratch r <<
69 disable_small_data := y <<
70 cflags-$(disable_small_data) += -mn <<
71 303
72 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb !! 304 libs-y += arch/mips/lib/
73 ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB !! 305 libs-y += arch/mips/math-emu/
74 306
75 LIBGCC = $(shell $(CC) $(cflags-y) --print-li !! 307 # See arch/mips/Kbuild for content of core part of the kernel
>> 308 core-y += arch/mips/
>> 309
>> 310 drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
>> 311
>> 312 # suspend and hibernation support
>> 313 drivers-$(CONFIG_PM) += arch/mips/power/
>> 314
>> 315 # boot image targets (arch/mips/boot/)
>> 316 boot-y := vmlinux.bin
>> 317 boot-y += vmlinux.ecoff
>> 318 boot-y += vmlinux.srec
>> 319 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
>> 320 boot-y += uImage
>> 321 boot-y += uImage.bin
>> 322 boot-y += uImage.bz2
>> 323 boot-y += uImage.gz
>> 324 boot-y += uImage.lzma
>> 325 boot-y += uImage.lzo
>> 326 endif
>> 327 boot-y += vmlinux.itb
>> 328 boot-y += vmlinux.gz.itb
>> 329 boot-y += vmlinux.bz2.itb
>> 330 boot-y += vmlinux.lzma.itb
>> 331 boot-y += vmlinux.lzo.itb
>> 332
>> 333 # compressed boot image targets (arch/mips/boot/compressed/)
>> 334 bootz-y := vmlinuz
>> 335 bootz-y += vmlinuz.bin
>> 336 bootz-y += vmlinuz.ecoff
>> 337 bootz-y += vmlinuz.srec
>> 338 ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0)
>> 339 bootz-y += uzImage.bin
>> 340 endif
76 341
77 # Modules with short calls might break for cal !! 342 ifdef CONFIG_LASAT
78 KBUILD_CFLAGS_MODULE += -mlong-calls -mno-m !! 343 rom.bin rom.sw: vmlinux
>> 344 $(Q)$(MAKE) $(build)=arch/mips/lasat/image \
>> 345 $(bootvars-y) $@
>> 346 endif
79 347
80 # Finally dump eveything into kernel build sys !! 348 #
81 KBUILD_CFLAGS += $(cflags-y) !! 349 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
82 KBUILD_AFLAGS += $(KBUILD_CFLAGS) !! 350 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
83 KBUILD_LDFLAGS += $(ldflags-y) !! 351 # convert to ECOFF using elf2ecoff.
>> 352 #
>> 353 quiet_cmd_32 = OBJCOPY $@
>> 354 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 355 vmlinux.32: vmlinux
>> 356 $(call cmd,32)
>> 357
>> 358 #
>> 359 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
>> 360 # ELF files from 32-bit files by conversion.
>> 361 #
>> 362 quiet_cmd_64 = OBJCOPY $@
>> 363 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 364 vmlinux.64: vmlinux
>> 365 $(call cmd,64)
>> 366
>> 367 all: $(all-y)
>> 368
>> 369 # boot
>> 370 $(boot-y): $(vmlinux-32) FORCE
>> 371 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
>> 372 $(bootvars-y) arch/mips/boot/$@
>> 373
>> 374 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 375 # boot/compressed
>> 376 $(bootz-y): $(vmlinux-32) FORCE
>> 377 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
>> 378 $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@
>> 379 else
>> 380 vmlinuz: FORCE
>> 381 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
>> 382 /bin/false
>> 383 endif
84 384
85 # w/o this dtb won't embed into kernel binary <<
86 core-y += arch/arc/boot/dts/ <<
87 385
88 core-y += arch/arc/pl !! 386 CLEAN_FILES += vmlinux.32 vmlinux.64
89 core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/pl !! 387
90 core-$(CONFIG_ARC_PLAT_AXS10X) += arch/arc/pl !! 388 # device-trees
91 core-$(CONFIG_ARC_SOC_HSDK) += arch/arc/pl !! 389 core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/
>> 390
>> 391 %.dtb %.dtb.S %.dtb.o: | scripts
>> 392 $(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@
>> 393
>> 394 PHONY += dtbs
>> 395 dtbs: scripts
>> 396 $(Q)$(MAKE) $(build)=arch/mips/boot/dts
>> 397
>> 398 PHONY += dtbs_install
>> 399 dtbs_install:
>> 400 $(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts
>> 401
>> 402 archprepare:
>> 403 ifdef CONFIG_MIPS32_N32
>> 404 @$(kecho) ' Checking missing-syscalls for N32'
>> 405 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
>> 406 endif
>> 407 ifdef CONFIG_MIPS32_O32
>> 408 @$(kecho) ' Checking missing-syscalls for O32'
>> 409 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
>> 410 endif
92 411
93 libs-y += arch/arc/lib/ $(LIBGCC) !! 412 install:
>> 413 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
>> 414 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 415 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
>> 416 endif
>> 417 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
>> 418 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
94 419
95 boot := arch/arc/boot !! 420 archclean:
>> 421 $(Q)$(MAKE) $(clean)=arch/mips/boot
>> 422 $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
>> 423 $(Q)$(MAKE) $(clean)=arch/mips/boot/tools
>> 424 $(Q)$(MAKE) $(clean)=arch/mips/lasat
>> 425
>> 426 define archhelp
>> 427 echo ' install - install kernel into $(INSTALL_PATH)'
>> 428 echo ' vmlinux.ecoff - ECOFF boot image'
>> 429 echo ' vmlinux.bin - Raw binary boot image'
>> 430 echo ' vmlinux.srec - SREC boot image'
>> 431 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
>> 432 echo ' vmlinuz - Compressed boot(zboot) image'
>> 433 echo ' vmlinuz.ecoff - ECOFF zboot image'
>> 434 echo ' vmlinuz.bin - Raw binary zboot image'
>> 435 echo ' vmlinuz.srec - SREC zboot image'
>> 436 echo ' uImage - U-Boot image'
>> 437 echo ' uImage.bin - U-Boot image (uncompressed)'
>> 438 echo ' uImage.bz2 - U-Boot image (bz2)'
>> 439 echo ' uImage.gz - U-Boot image (gzip)'
>> 440 echo ' uImage.lzma - U-Boot image (lzma)'
>> 441 echo ' uImage.lzo - U-Boot image (lzo)'
>> 442 echo ' uzImage.bin - U-Boot image (self-extracting)'
>> 443 echo ' dtbs - Device-tree blobs for enabled boards'
>> 444 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
>> 445 echo
>> 446 echo ' These will be default as appropriate for a configured platform.'
>> 447 echo
>> 448 echo ' If you are targeting a system supported by generic kernels you may'
>> 449 echo ' configure the kernel for a given architecture target like so:'
>> 450 echo
>> 451 echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
>> 452 echo
>> 453 echo ' Otherwise, the following default configurations are available:'
>> 454 endef
96 455
97 boot_targets := uImage.bin uImage.gz uImage.lz !! 456 generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
>> 457 generic_defconfigs :=
98 458
99 PHONY += $(boot_targets) !! 459 #
100 $(boot_targets): vmlinux !! 460 # If the user generates a generic kernel configuration without specifying a
101 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 461 # list of boards to include the config fragments for, default to including all
>> 462 # available board config fragments.
>> 463 #
>> 464 ifeq ($(BOARDS),)
>> 465 BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
>> 466 endif
102 467
103 uimage-default-y := uIm !! 468 #
104 uimage-default-$(CONFIG_KERNEL_GZIP) := uIm !! 469 # Generic kernel configurations which merge generic_defconfig with the
105 uimage-default-$(CONFIG_KERNEL_LZMA) := uIm !! 470 # appropriate config fragments from arch/mips/configs/generic/, resulting in
>> 471 # the ability to easily configure the kernel for a given architecture,
>> 472 # endianness & set of boards without duplicating the needed configuration in
>> 473 # hundreds of defconfig files.
>> 474 #
>> 475 define gen_generic_defconfigs
>> 476 $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
>> 477 target := $(bits)$(rev)$(filter el,$(endian))_defconfig
>> 478 generic_defconfigs += $$(target)
>> 479 $$(target): $(generic_config_dir)/$(bits)$(rev).config
>> 480 $$(target): $(generic_config_dir)/$(endian).config
>> 481 )))
>> 482 endef
>> 483
>> 484 $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
>> 485 $(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
>> 486
>> 487 .PHONY: $(generic_defconfigs)
>> 488 $(generic_defconfigs):
>> 489 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
>> 490 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ \
>> 491 $(foreach board,$(BOARDS),$(generic_config_dir)/board-$(board).config)
>> 492 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
106 493
107 PHONY += uImage !! 494 #
108 uImage: $(uimage-default-y) !! 495 # Prevent generic merge_config rules attempting to merge single fragments
109 @ln -sf $< $(boot)/uImage !! 496 #
110 @$(kecho) ' Image $(boot)/uImage is r !! 497 $(generic_config_dir)/%.config: ;
111 498
112 CLEAN_FILES += $(boot)/uImage !! 499 #
>> 500 # Legacy defconfig compatibility - these targets used to be real defconfigs but
>> 501 # now that the boards have been converted to use the generic kernel they are
>> 502 # wrappers around the generic rules above.
>> 503 #
>> 504 .PHONY: sead3_defconfig
>> 505 sead3_defconfig:
>> 506 $(Q)$(MAKE) -f $(srctree)/Makefile 32r2el_defconfig BOARDS=sead-3
>> 507
>> 508 .PHONY: sead3micro_defconfig
>> 509 sead3micro_defconfig:
>> 510 $(Q)$(MAKE) -f $(srctree)/Makefile micro32r2el_defconfig BOARDS=sead-3
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.