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TOMOYO Linux Cross Reference
Linux/arch/arc/Makefile

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Diff markup

Differences between /arch/arc/Makefile (Version linux-6.12-rc7) and /arch/mips/Makefile (Version linux-4.4.302)


  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.
                                                   >>   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.
  4 #                                                  13 #
  5                                                    14 
  6 KBUILD_DEFCONFIG := haps_hs_smp_defconfig      !!  15 KBUILD_DEFCONFIG := ip22_defconfig
  7                                                    16 
  8 ifeq ($(CROSS_COMPILE),)                       !!  17 #
  9 CROSS_COMPILE := $(call cc-cross-prefix, arc-l !!  18 # Select the object file format to substitute into the linker script.
                                                   >>  19 #
                                                   >>  20 ifdef CONFIG_CPU_LITTLE_ENDIAN
                                                   >>  21 32bit-tool-archpref     = mipsel
                                                   >>  22 64bit-tool-archpref     = mips64el
                                                   >>  23 32bit-bfd               = elf32-tradlittlemips
                                                   >>  24 64bit-bfd               = elf64-tradlittlemips
                                                   >>  25 32bit-emul              = elf32ltsmip
                                                   >>  26 64bit-emul              = elf64ltsmip
                                                   >>  27 else
                                                   >>  28 32bit-tool-archpref     = mips
                                                   >>  29 64bit-tool-archpref     = mips64
                                                   >>  30 32bit-bfd               = elf32-tradbigmips
                                                   >>  31 64bit-bfd               = elf64-tradbigmips
                                                   >>  32 32bit-emul              = elf32btsmip
                                                   >>  33 64bit-emul              = elf64btsmip
 10 endif                                              34 endif
 11                                                    35 
 12 cflags-y        += -fno-common -pipe -fno-buil !!  36 ifdef CONFIG_32BIT
                                                   >>  37 tool-archpref           = $(32bit-tool-archpref)
                                                   >>  38 UTS_MACHINE             := mips
                                                   >>  39 endif
                                                   >>  40 ifdef CONFIG_64BIT
                                                   >>  41 tool-archpref           = $(64bit-tool-archpref)
                                                   >>  42 UTS_MACHINE             := mips64
                                                   >>  43 endif
 13                                                    44 
 14 tune-mcpu-def-$(CONFIG_ISA_ARCOMPACT)   := -mc !!  45 ifneq ($(SUBARCH),$(ARCH))
 15 tune-mcpu-def-$(CONFIG_ISA_ARCV2)       := -mc !!  46   ifeq ($(CROSS_COMPILE),)
                                                   >>  47     CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux-  $(tool-archpref)-linux-gnu-  $(tool-archpref)-unknown-linux-gnu-)
                                                   >>  48   endif
                                                   >>  49 endif
 16                                                    50 
 17 ifeq ($(CONFIG_ARC_TUNE_MCPU),)                !!  51 ifdef CONFIG_FUNCTION_GRAPH_TRACER
 18 cflags-y                                += $(t !!  52   ifndef KBUILD_MCOUNT_RA_ADDRESS
 19 else                                           !!  53     ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
 20 tune-mcpu                               := $(C !!  54       cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
 21 ifneq ($(call cc-option,$(tune-mcpu)),)        !!  55     endif
 22 cflags-y                                += $(t !!  56   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                                              57 endif
                                                   >>  58 cflags-y += $(call cc-option, -mno-check-zero-division)
                                                   >>  59 
                                                   >>  60 ifdef CONFIG_32BIT
                                                   >>  61 ld-emul                 = $(32bit-emul)
                                                   >>  62 vmlinux-32              = vmlinux
                                                   >>  63 vmlinux-64              = vmlinux.64
                                                   >>  64 
                                                   >>  65 cflags-y                += -mabi=32
 29 endif                                              66 endif
 30                                                    67 
 31 ifdef CONFIG_ARC_CURR_IN_REG                   !!  68 ifdef CONFIG_64BIT
 32 # For a global register definition, make sure  !!  69 ld-emul                 = $(64bit-emul)
 33 # We had a customer reported bug where some co !!  70 vmlinux-32              = vmlinux.32
 34 # any kernel headers, and missing the global r !!  71 vmlinux-64              = vmlinux
 35 # Can't do unconditionally because of recursiv !!  72 
 36 # due to <linux/thread_info.h>                 !!  73 cflags-y                += -mabi=64
 37 LINUXINCLUDE    +=  -include $(srctree)/arch/a << 
 38 cflags-y        += -ffixed-gp                  << 
 39 endif                                              74 endif
 40                                                    75 
 41 cflags-y                                += -fs !!  76 all-$(CONFIG_BOOT_ELF32)        := $(vmlinux-32)
                                                   >>  77 all-$(CONFIG_BOOT_ELF64)        := $(vmlinux-64)
                                                   >>  78 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
 42                                                    79 
 43 cflags-$(CONFIG_ARC_HAS_LLSC)           += -ml !!  80 #
 44 cflags-$(CONFIG_ARC_HAS_SWAPE)          += -ms !!  81 # GCC uses -G 0 -mabicalls -fpic as default.  We don't want PIC in the kernel
                                                   >>  82 # code since it only slows down the whole thing.  At some point we might make
                                                   >>  83 # use of global pointer optimizations but their use of $28 conflicts with
                                                   >>  84 # the current pointer optimization.
                                                   >>  85 #
                                                   >>  86 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
                                                   >>  87 # machines may also.  Since BFD is incredibly buggy with respect to
                                                   >>  88 # crossformat linking we rely on the elf2ecoff tool for format conversion.
                                                   >>  89 #
                                                   >>  90 cflags-y                        += -G 0 -mno-abicalls -fno-pic -pipe
                                                   >>  91 cflags-y                        += -msoft-float
                                                   >>  92 LDFLAGS_vmlinux                 += -G 0 -static -n -nostdlib
                                                   >>  93 KBUILD_AFLAGS_MODULE            += -mlong-calls
                                                   >>  94 KBUILD_CFLAGS_MODULE            += -mlong-calls
 45                                                    95 
 46 ifdef CONFIG_ISA_ARCV2                         !!  96 #
                                                   >>  97 # pass -msoft-float to GAS if it supports it.  However on newer binutils
                                                   >>  98 # (specifically newer than 2.24.51.20140728) we then also need to explicitly
                                                   >>  99 # set ".set hardfloat" in all files which manipulate floating point registers.
                                                   >> 100 #
                                                   >> 101 ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
                                                   >> 102         cflags-y                += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
                                                   >> 103 endif
 47                                                   104 
 48 ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS      !! 105 cflags-y += -ffreestanding
 49 cflags-y                                += -mu !! 106 
 50 else                                           !! 107 #
 51 cflags-y                                += -mn !! 108 # We explicitly add the endianness specifier if needed, this allows
                                                   >> 109 # to compile kernels with a toolchain for the other endianness. We
                                                   >> 110 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
                                                   >> 111 # when fed the toolchain default!
                                                   >> 112 #
                                                   >> 113 # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
                                                   >> 114 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
                                                   >> 115 # are used, so we kludge that here.  A bug has been filed at
                                                   >> 116 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
                                                   >> 117 #
                                                   >> 118 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
                                                   >> 119 undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
                                                   >> 120 predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
                                                   >> 121 predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
                                                   >> 122 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
                                                   >> 123 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
                                                   >> 124 
                                                   >> 125 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
                                                   >> 126                                    -fno-omit-frame-pointer
                                                   >> 127 #
                                                   >> 128 # CPU-dependent compiler/assembler options for optimization.
                                                   >> 129 #
                                                   >> 130 cflags-$(CONFIG_CPU_R3000)      += -march=r3000
                                                   >> 131 cflags-$(CONFIG_CPU_TX39XX)     += -march=r3900
                                                   >> 132 cflags-$(CONFIG_CPU_R6000)      += -march=r6000 -Wa,--trap
                                                   >> 133 cflags-$(CONFIG_CPU_R4300)      += -march=r4300 -Wa,--trap
                                                   >> 134 cflags-$(CONFIG_CPU_VR41XX)     += -march=r4100 -Wa,--trap
                                                   >> 135 cflags-$(CONFIG_CPU_R4X00)      += -march=r4600 -Wa,--trap
                                                   >> 136 cflags-$(CONFIG_CPU_TX49XX)     += -march=r4600 -Wa,--trap
                                                   >> 137 cflags-$(CONFIG_CPU_MIPS32_R1)  += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
                                                   >> 138                         -Wa,-mips32 -Wa,--trap
                                                   >> 139 cflags-$(CONFIG_CPU_MIPS32_R2)  += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
                                                   >> 140                         -Wa,-mips32r2 -Wa,--trap
                                                   >> 141 cflags-$(CONFIG_CPU_MIPS32_R6)  += -march=mips32r6 -Wa,--trap
                                                   >> 142 cflags-$(CONFIG_CPU_MIPS64_R1)  += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
                                                   >> 143                         -Wa,-mips64 -Wa,--trap
                                                   >> 144 cflags-$(CONFIG_CPU_MIPS64_R2)  += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
                                                   >> 145                         -Wa,-mips64r2 -Wa,--trap
                                                   >> 146 cflags-$(CONFIG_CPU_MIPS64_R6)  += -march=mips64r6 -Wa,--trap
                                                   >> 147 cflags-$(CONFIG_CPU_R5000)      += -march=r5000 -Wa,--trap
                                                   >> 148 cflags-$(CONFIG_CPU_R5432)      += $(call cc-option,-march=r5400,-march=r5000) \
                                                   >> 149                         -Wa,--trap
                                                   >> 150 cflags-$(CONFIG_CPU_R5500)      += $(call cc-option,-march=r5500,-march=r5000) \
                                                   >> 151                         -Wa,--trap
                                                   >> 152 cflags-$(CONFIG_CPU_NEVADA)     += $(call cc-option,-march=rm5200,-march=r5000) \
                                                   >> 153                         -Wa,--trap
                                                   >> 154 cflags-$(CONFIG_CPU_RM7000)     += $(call cc-option,-march=rm7000,-march=r5000) \
                                                   >> 155                         -Wa,--trap
                                                   >> 156 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-march=sb1,-march=r5000) \
                                                   >> 157                         -Wa,--trap
                                                   >> 158 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-mno-mdmx)
                                                   >> 159 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-mno-mips3d)
                                                   >> 160 cflags-$(CONFIG_CPU_R8000)      += -march=r8000 -Wa,--trap
                                                   >> 161 cflags-$(CONFIG_CPU_R10000)     += $(call cc-option,-march=r10000,-march=r8000) \
                                                   >> 162                         -Wa,--trap
                                                   >> 163 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
                                                   >> 164 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
                                                   >> 165 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
                                                   >> 166 endif
                                                   >> 167 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
                                                   >> 168 cflags-$(CONFIG_CPU_BMIPS)      += -march=mips32 -Wa,-mips32 -Wa,--trap
                                                   >> 169 #
                                                   >> 170 # binutils from v2.25 on and gcc starting from v4.9.0 treat -march=loongson3a
                                                   >> 171 # as MIPS64 R1; older versions as just R1.  This leaves the possibility open
                                                   >> 172 # that GCC might generate R2 code for -march=loongson3a which then is rejected
                                                   >> 173 # by GAS.  The cc-option can't probe for this behaviour so -march=loongson3a
                                                   >> 174 # can't easily be used safely within the kbuild framework.
                                                   >> 175 #
                                                   >> 176 cflags-$(CONFIG_CPU_LOONGSON3)  +=                                      \
                                                   >> 177         $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
                                                   >> 178         -Wa,-mips64r2 -Wa,--trap
                                                   >> 179 
                                                   >> 180 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS)  += $(call cc-option,-mfix-r4000,)
                                                   >> 181 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS)  += $(call cc-option,-mfix-r4400,)
                                                   >> 182 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS)  += $(call cc-option,-mno-daddi,)
                                                   >> 183 
                                                   >> 184 # For smartmips configurations, there are hundreds of warnings due to ISA overrides
                                                   >> 185 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
                                                   >> 186 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
                                                   >> 187 # similar directives in the kernel will spam the build logs with the following warnings:
                                                   >> 188 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
                                                   >> 189 # or
                                                   >> 190 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
                                                   >> 191 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
                                                   >> 192 # been fixed properly.
                                                   >> 193 mips-cflags                             := $(cflags-y)
                                                   >> 194 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
                                                   >> 195 smartmips-ase                           := $(call cc-option-yn,$(mips-cflags) -msmartmips)
                                                   >> 196 cflags-$(smartmips-ase)                 += -msmartmips -Wa,--no-warn
                                                   >> 197 endif
                                                   >> 198 ifeq ($(CONFIG_CPU_MICROMIPS),y)
                                                   >> 199 micromips-ase                           := $(call cc-option-yn,$(mips-cflags) -mmicromips)
                                                   >> 200 cflags-$(micromips-ase)                 += -mmicromips
 52 endif                                             201 endif
                                                   >> 202 ifeq ($(CONFIG_CPU_HAS_MSA),y)
                                                   >> 203 toolchain-msa                           := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
                                                   >> 204 cflags-$(toolchain-msa)                 += -DTOOLCHAIN_SUPPORTS_MSA
                                                   >> 205 endif
                                                   >> 206 
                                                   >> 207 #
                                                   >> 208 # Firmware support
                                                   >> 209 #
                                                   >> 210 libs-$(CONFIG_FW_ARC)           += arch/mips/fw/arc/
                                                   >> 211 libs-$(CONFIG_FW_CFE)           += arch/mips/fw/cfe/
                                                   >> 212 libs-$(CONFIG_FW_SNIPROM)       += arch/mips/fw/sni/
                                                   >> 213 libs-y                          += arch/mips/fw/lib/
 53                                                   214 
 54 ifndef CONFIG_ARC_HAS_LL64                     !! 215 #
 55 cflags-y                                += -mn !! 216 # Kernel compression
                                                   >> 217 #
                                                   >> 218 ifdef SYS_SUPPORTS_ZBOOT
                                                   >> 219 COMPRESSION_FNAME               = vmlinuz
                                                   >> 220 else
                                                   >> 221 COMPRESSION_FNAME               = vmlinux
 56 endif                                             222 endif
 57                                                   223 
 58 ifndef CONFIG_ARC_HAS_DIV_REM                  !! 224 #
 59 cflags-y                                += -mn !! 225 # Board-dependent options and extra files
                                                   >> 226 #
                                                   >> 227 include arch/mips/Kbuild.platforms
                                                   >> 228 
                                                   >> 229 ifdef CONFIG_PHYSICAL_START
                                                   >> 230 load-y                                  = $(CONFIG_PHYSICAL_START)
 60 endif                                             231 endif
                                                   >> 232 entry-y                         = 0x$(shell $(NM) vmlinux 2>/dev/null \
                                                   >> 233                                         | grep "\bkernel_entry\b" | cut -f1 -d \ )
 61                                                   234 
                                                   >> 235 cflags-y                        += -I$(srctree)/arch/mips/include/asm/mach-generic
                                                   >> 236 drivers-$(CONFIG_PCI)           += arch/mips/pci/
                                                   >> 237 
                                                   >> 238 #
                                                   >> 239 # Automatically detect the build format. By default we choose
                                                   >> 240 # the elf format according to the load address.
                                                   >> 241 # We can always force a build with a 64-bits symbol format by
                                                   >> 242 # passing 'KBUILD_SYM32=no' option to the make's command line.
                                                   >> 243 #
                                                   >> 244 ifdef CONFIG_64BIT
                                                   >> 245   ifndef KBUILD_SYM32
                                                   >> 246     ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
                                                   >> 247       KBUILD_SYM32 = y
                                                   >> 248     endif
                                                   >> 249   endif
                                                   >> 250 
                                                   >> 251   ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
                                                   >> 252     cflags-y += -msym32 -DKBUILD_64BIT_SYM32
                                                   >> 253   else
                                                   >> 254     ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
                                                   >> 255       $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
                                                   >> 256     endif
                                                   >> 257   endif
 62 endif                                             258 endif
 63                                                   259 
 64 cfi := $(call as-instr,.cfi_startproc\n.cfi_en !! 260 KBUILD_AFLAGS   += $(cflags-y)
 65 cflags-$(CONFIG_ARC_DW2_UNWIND)         += -fa !! 261 KBUILD_CFLAGS   += $(cflags-y)
                                                   >> 262 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
                                                   >> 263 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
 66                                                   264 
 67 # small data is default for elf32 tool-chain.  !! 265 bootvars-y      = VMLINUX_LOAD_ADDRESS=$(load-y) \
 68 # This also allows repurposing GP as scratch r !! 266                   VMLINUX_ENTRY_ADDRESS=$(entry-y)
 69 disable_small_data := y                        << 
 70 cflags-$(disable_small_data)            += -mn << 
 71                                                   267 
 72 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb !! 268 LDFLAGS                 += -m $(ld-emul)
 73 ldflags-$(CONFIG_CPU_BIG_ENDIAN)        += -EB << 
 74                                                   269 
 75 LIBGCC  = $(shell $(CC) $(cflags-y) --print-li !! 270 ifdef CONFIG_MIPS
                                                   >> 271 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
                                                   >> 272         egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
                                                   >> 273         sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
                                                   >> 274 ifdef CONFIG_64BIT
                                                   >> 275 CHECKFLAGS              += -m64
                                                   >> 276 endif
                                                   >> 277 endif
 76                                                   278 
 77 # Modules with short calls might break for cal !! 279 OBJCOPYFLAGS            += --remove-section=.reginfo
 78 KBUILD_CFLAGS_MODULE    += -mlong-calls -mno-m << 
 79                                                   280 
 80 # Finally dump eveything into kernel build sys !! 281 head-y := arch/mips/kernel/head.o
 81 KBUILD_CFLAGS   += $(cflags-y)                 << 
 82 KBUILD_AFLAGS   += $(KBUILD_CFLAGS)            << 
 83 KBUILD_LDFLAGS  += $(ldflags-y)                << 
 84                                                   282 
 85 # w/o this dtb won't embed into kernel binary  !! 283 libs-y                  += arch/mips/lib/
 86 core-y          += arch/arc/boot/dts/          !! 284 libs-y                  += arch/mips/math-emu/
 87                                                   285 
 88 core-y                          += arch/arc/pl !! 286 # See arch/mips/Kbuild for content of core part of the kernel
 89 core-$(CONFIG_ARC_PLAT_TB10X)   += arch/arc/pl !! 287 core-y += arch/mips/
 90 core-$(CONFIG_ARC_PLAT_AXS10X)  += arch/arc/pl !! 288 
 91 core-$(CONFIG_ARC_SOC_HSDK)     += arch/arc/pl !! 289 drivers-$(CONFIG_OPROFILE)      += arch/mips/oprofile/
                                                   >> 290 
                                                   >> 291 # suspend and hibernation support
                                                   >> 292 drivers-$(CONFIG_PM)    += arch/mips/power/
                                                   >> 293 
                                                   >> 294 # boot image targets (arch/mips/boot/)
                                                   >> 295 boot-y                  := vmlinux.bin
                                                   >> 296 boot-y                  += vmlinux.ecoff
                                                   >> 297 boot-y                  += vmlinux.srec
                                                   >> 298 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
                                                   >> 299 boot-y                  += uImage
                                                   >> 300 boot-y                  += uImage.bin
                                                   >> 301 boot-y                  += uImage.bz2
                                                   >> 302 boot-y                  += uImage.gz
                                                   >> 303 boot-y                  += uImage.lzma
                                                   >> 304 boot-y                  += uImage.lzo
                                                   >> 305 endif
 92                                                   306 
 93 libs-y          += arch/arc/lib/ $(LIBGCC)     !! 307 # compressed boot image targets (arch/mips/boot/compressed/)
                                                   >> 308 bootz-y                 := vmlinuz
                                                   >> 309 bootz-y                 += vmlinuz.bin
                                                   >> 310 bootz-y                 += vmlinuz.ecoff
                                                   >> 311 bootz-y                 += vmlinuz.srec
                                                   >> 312 
                                                   >> 313 ifdef CONFIG_LASAT
                                                   >> 314 rom.bin rom.sw: vmlinux
                                                   >> 315         $(Q)$(MAKE) $(build)=arch/mips/lasat/image \
                                                   >> 316                 $(bootvars-y) $@
                                                   >> 317 endif
 94                                                   318 
 95 boot            := arch/arc/boot               !! 319 #
                                                   >> 320 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
                                                   >> 321 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
                                                   >> 322 # convert to ECOFF using elf2ecoff.
                                                   >> 323 #
                                                   >> 324 quiet_cmd_32 = OBJCOPY $@
                                                   >> 325         cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
                                                   >> 326 vmlinux.32: vmlinux
                                                   >> 327         $(call cmd,32)
                                                   >> 328 
                                                   >> 329 #
                                                   >> 330 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
                                                   >> 331 # ELF files from 32-bit files by conversion.
                                                   >> 332 #
                                                   >> 333 quiet_cmd_64 = OBJCOPY $@
                                                   >> 334         cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
                                                   >> 335 vmlinux.64: vmlinux
                                                   >> 336         $(call cmd,64)
                                                   >> 337 
                                                   >> 338 all:    $(all-y)
                                                   >> 339 
                                                   >> 340 # boot
                                                   >> 341 $(boot-y): $(vmlinux-32) FORCE
                                                   >> 342         $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
                                                   >> 343                 $(bootvars-y) arch/mips/boot/$@
                                                   >> 344 
                                                   >> 345 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
                                                   >> 346 # boot/compressed
                                                   >> 347 $(bootz-y): $(vmlinux-32) FORCE
                                                   >> 348         $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
                                                   >> 349                 $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@
                                                   >> 350 else
                                                   >> 351 vmlinuz: FORCE
                                                   >> 352         @echo '   CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
                                                   >> 353         /bin/false
                                                   >> 354 endif
 96                                                   355 
 97 boot_targets := uImage.bin uImage.gz uImage.lz << 
 98                                                   356 
 99 PHONY += $(boot_targets)                       !! 357 CLEAN_FILES += vmlinux.32 vmlinux.64
100 $(boot_targets): vmlinux                       << 
101         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ << 
102                                                   358 
103 uimage-default-y                        := uIm !! 359 # device-trees
104 uimage-default-$(CONFIG_KERNEL_GZIP)    := uIm !! 360 core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/
105 uimage-default-$(CONFIG_KERNEL_LZMA)    := uIm << 
106                                                   361 
107 PHONY += uImage                                !! 362 %.dtb %.dtb.S %.dtb.o: | scripts
108 uImage: $(uimage-default-y)                    !! 363         $(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@
109         @ln -sf $< $(boot)/uImage              !! 364 
110         @$(kecho) '  Image $(boot)/uImage is r !! 365 PHONY += dtbs
                                                   >> 366 dtbs: scripts
                                                   >> 367         $(Q)$(MAKE) $(build)=arch/mips/boot/dts
                                                   >> 368 
                                                   >> 369 PHONY += dtbs_install
                                                   >> 370 dtbs_install:
                                                   >> 371         $(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts
                                                   >> 372 
                                                   >> 373 archprepare:
                                                   >> 374 ifdef CONFIG_MIPS32_N32
                                                   >> 375         @echo '  Checking missing-syscalls for N32'
                                                   >> 376         $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
                                                   >> 377 endif
                                                   >> 378 ifdef CONFIG_MIPS32_O32
                                                   >> 379         @echo '  Checking missing-syscalls for O32'
                                                   >> 380         $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
                                                   >> 381 endif
                                                   >> 382 
                                                   >> 383 install:
                                                   >> 384         $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
                                                   >> 385 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
                                                   >> 386         $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
                                                   >> 387 endif
                                                   >> 388         $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
                                                   >> 389         $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
111                                                   390 
112 CLEAN_FILES += $(boot)/uImage                  !! 391 archclean:
                                                   >> 392         $(Q)$(MAKE) $(clean)=arch/mips/boot
                                                   >> 393         $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
                                                   >> 394         $(Q)$(MAKE) $(clean)=arch/mips/lasat
                                                   >> 395 
                                                   >> 396 define archhelp
                                                   >> 397         echo '  install              - install kernel into $(INSTALL_PATH)'
                                                   >> 398         echo '  vmlinux.ecoff        - ECOFF boot image'
                                                   >> 399         echo '  vmlinux.bin          - Raw binary boot image'
                                                   >> 400         echo '  vmlinux.srec         - SREC boot image'
                                                   >> 401         echo '  vmlinux.32           - 64-bit boot image wrapped in 32bits (IP22/IP32)'
                                                   >> 402         echo '  vmlinuz              - Compressed boot(zboot) image'
                                                   >> 403         echo '  vmlinuz.ecoff        - ECOFF zboot image'
                                                   >> 404         echo '  vmlinuz.bin          - Raw binary zboot image'
                                                   >> 405         echo '  vmlinuz.srec         - SREC zboot image'
                                                   >> 406         echo '  uImage               - U-Boot image'
                                                   >> 407         echo '  uImage.bin           - U-Boot image (uncompressed)'
                                                   >> 408         echo '  uImage.bz2           - U-Boot image (bz2)'
                                                   >> 409         echo '  uImage.gz            - U-Boot image (gzip)'
                                                   >> 410         echo '  uImage.lzma          - U-Boot image (lzma)'
                                                   >> 411         echo '  uImage.lzo           - U-Boot image (lzo)'
                                                   >> 412         echo '  dtbs                 - Device-tree blobs for enabled boards'
                                                   >> 413         echo '  dtbs_install         - Install dtbs to $(INSTALL_DTBS_PATH)'
                                                   >> 414         echo
                                                   >> 415         echo '  These will be default as appropriate for a configured platform.'
                                                   >> 416 endef
                                                      

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