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Linux/arch/powerpc/Makefile

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Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /arch/powerpc/Makefile (Version linux-6.12-rc7) and /arch/mips/Makefile (Version linux-5.0.21)


  1 # This file is included by the global makefile << 
  2 # architecture-specific flags and dependencies << 
  3 #                                                   1 #
  4 # This file is subject to the terms and condit      2 # This file is subject to the terms and conditions of the GNU General Public
  5 # License.  See the file "COPYING" in the main      3 # License.  See the file "COPYING" in the main directory of this archive
  6 # for more details.                                 4 # for more details.
  7 #                                                   5 #
  8 # Copyright (C) 1994 by Linus Torvalds         !!   6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
  9 # Changes for PPC by Gary Thomas               !!   7 # DECStation modifications by Paul M. Antoine, 1996
 10 # Rewritten by Cort Dougan and Paul Mackerras  !!   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.
 11 #                                                  13 #
 12                                                    14 
 13 ifdef cross_compiling                          !!  15 archscripts: scripts_basic
 14   ifeq ($(CROSS_COMPILE),)                     !!  16         $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry
 15     # Auto detect cross compiler prefix.       !!  17         $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
 16     # Look for: (powerpc(64(le)?)?)(-unknown)? << 
 17     CC_ARCHES := powerpc powerpc64 powerpc64le << 
 18     CC_SUFFIXES := linux linux-gnu unknown-lin << 
 19     CROSS_COMPILE := $(call cc-cross-prefix, $ << 
 20                        $(foreach s,$(CC_SUFFIX << 
 21   endif                                        << 
 22 endif                                          << 
 23                                                    18 
 24 HAS_BIARCH      := $(call cc-option-yn, -m32)  !!  19 KBUILD_DEFCONFIG := 32r2el_defconfig
 25                                                    20 
 26 # Set default 32 bits cross compilers for vdso !!  21 #
 27 CROSS32_COMPILE ?=                             !!  22 # Select the object file format to substitute into the linker script.
                                                   >>  23 #
                                                   >>  24 ifdef CONFIG_CPU_LITTLE_ENDIAN
                                                   >>  25 32bit-tool-archpref     = mipsel
                                                   >>  26 64bit-tool-archpref     = mips64el
                                                   >>  27 32bit-bfd               = elf32-tradlittlemips
                                                   >>  28 64bit-bfd               = elf64-tradlittlemips
                                                   >>  29 32bit-emul              = elf32ltsmip
                                                   >>  30 64bit-emul              = elf64ltsmip
                                                   >>  31 else
                                                   >>  32 32bit-tool-archpref     = mips
                                                   >>  33 64bit-tool-archpref     = mips64
                                                   >>  34 32bit-bfd               = elf32-tradbigmips
                                                   >>  35 64bit-bfd               = elf64-tradbigmips
                                                   >>  36 32bit-emul              = elf32btsmip
                                                   >>  37 64bit-emul              = elf64btsmip
                                                   >>  38 endif
 28                                                    39 
 29 # If we're on a ppc/ppc64/ppc64le machine use  !!  40 ifdef CONFIG_32BIT
 30 # ppc64le_defconfig because we have nothing be !!  41 tool-archpref           = $(32bit-tool-archpref)
 31 uname := $(shell uname -m)                     !!  42 UTS_MACHINE             := mips
 32 KBUILD_DEFCONFIG := $(if $(filter ppc%,$(uname !!  43 endif
                                                   >>  44 ifdef CONFIG_64BIT
                                                   >>  45 tool-archpref           = $(64bit-tool-archpref)
                                                   >>  46 UTS_MACHINE             := mips64
                                                   >>  47 endif
 33                                                    48 
 34 new_nm := $(shell if $(NM) --help 2>&1 | grep  !!  49 ifneq ($(SUBARCH),$(ARCH))
                                                   >>  50   ifeq ($(CROSS_COMPILE),)
                                                   >>  51     CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux-  $(tool-archpref)-linux-gnu-  $(tool-archpref)-unknown-linux-gnu-)
                                                   >>  52   endif
                                                   >>  53 endif
 35                                                    54 
 36 ifeq ($(new_nm),y)                             !!  55 ifdef CONFIG_FUNCTION_GRAPH_TRACER
 37 NM              := $(NM) --synthetic           !!  56   ifndef KBUILD_MCOUNT_RA_ADDRESS
                                                   >>  57     ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
                                                   >>  58       cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
                                                   >>  59     endif
                                                   >>  60   endif
 38 endif                                              61 endif
                                                   >>  62 cflags-y += $(call cc-option, -mno-check-zero-division)
 39                                                    63 
 40 # BITS is used as extension for files which ar !!  64 ifdef CONFIG_32BIT
 41 # and a 64 bit version to simplify shared Make !!  65 ld-emul                 = $(32bit-emul)
 42 # e.g.: obj-y += foo_$(BITS).o                 !!  66 vmlinux-32              = vmlinux
 43 export BITS                                    !!  67 vmlinux-64              = vmlinux.64
 44                                                    68 
 45 ifdef CONFIG_PPC64                             !!  69 cflags-y                += -mabi=32
 46         BITS := 64                             << 
 47 else                                           << 
 48         BITS := 32                             << 
 49 endif                                              70 endif
 50                                                    71 
 51 machine-y = ppc                                !!  72 ifdef CONFIG_64BIT
 52 machine-$(CONFIG_PPC64) += 64                  !!  73 ld-emul                 = $(64bit-emul)
 53 machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le      !!  74 vmlinux-32              = vmlinux.32
 54 UTS_MACHINE := $(subst $(space),,$(machine-y)) !!  75 vmlinux-64              = vmlinux
 55                                                << 
 56 ifeq ($(CONFIG_PPC64)$(CONFIG_LD_IS_BFD),yy)   << 
 57 # Have the linker provide sfpr if possible.    << 
 58 # There is a corresponding test in arch/powerp << 
 59 KBUILD_LDFLAGS_MODULE += --save-restore-funcs  << 
 60 else                                           << 
 61 KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crts << 
 62 endif                                          << 
 63                                                    76 
 64 ifdef CONFIG_CPU_LITTLE_ENDIAN                 !!  77 cflags-y                += -mabi=64
 65 KBUILD_CFLAGS   += -mlittle-endian             << 
 66 KBUILD_LDFLAGS  += -EL                         << 
 67 LDEMULATION     := lppc                        << 
 68 GNUTARGET       := powerpcle                   << 
 69 MULTIPLEWORD    := -mno-multiple               << 
 70 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno- << 
 71 else                                           << 
 72 KBUILD_CFLAGS += $(call cc-option,-mbig-endian << 
 73 KBUILD_LDFLAGS  += -EB                         << 
 74 LDEMULATION     := ppc                         << 
 75 GNUTARGET       := powerpc                     << 
 76 MULTIPLEWORD    := -mmultiple                  << 
 77 endif                                              78 endif
 78                                                    79 
 79 ifdef CONFIG_PPC64                             !!  80 all-$(CONFIG_BOOT_ELF32)        := $(vmlinux-32)
 80 ifndef CONFIG_CC_IS_CLANG                      !!  81 all-$(CONFIG_BOOT_ELF64)        := $(vmlinux-64)
 81 cflags-$(CONFIG_PPC64_ELF_ABI_V1)       += $(c !!  82 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
 82 cflags-$(CONFIG_PPC64_ELF_ABI_V1)       += $(c << 
 83 aflags-$(CONFIG_PPC64_ELF_ABI_V1)       += $(c << 
 84 aflags-$(CONFIG_PPC64_ELF_ABI_V2)       += -ma << 
 85 endif                                          << 
 86 endif                                          << 
 87                                                    83 
 88 ifndef CONFIG_CC_IS_CLANG                      !!  84 #
 89   cflags-$(CONFIG_CPU_LITTLE_ENDIAN)    += -mn !!  85 # GCC uses -G 0 -mabicalls -fpic as default.  We don't want PIC in the kernel
 90 endif                                          !!  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 $28 conflicts with
                                                   >>  88 # the current pointer optimization.
                                                   >>  89 #
                                                   >>  90 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
                                                   >>  91 # machines may also.  Since BFD is incredibly buggy with respect to
                                                   >>  92 # crossformat linking we rely on the elf2ecoff tool for format conversion.
                                                   >>  93 #
                                                   >>  94 cflags-y                        += -G 0 -mno-abicalls -fno-pic -pipe
                                                   >>  95 cflags-y                        += -msoft-float
                                                   >>  96 LDFLAGS_vmlinux                 += -G 0 -static -n -nostdlib
                                                   >>  97 KBUILD_AFLAGS_MODULE            += -mlong-calls
                                                   >>  98 KBUILD_CFLAGS_MODULE            += -mlong-calls
 91                                                    99 
 92 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += $(c !! 100 ifeq ($(CONFIG_RELOCATABLE),y)
 93 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml !! 101 LDFLAGS_vmlinux                 += --emit-relocs
 94 aflags-$(CONFIG_CPU_BIG_ENDIAN)         += $(c !! 102 endif
 95 aflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml << 
 96                                                   103 
 97 ifeq ($(HAS_BIARCH),y)                         !! 104 #
 98 KBUILD_CFLAGS   += -m$(BITS)                   !! 105 # pass -msoft-float to GAS if it supports it.  However on newer binutils
 99 KBUILD_AFLAGS   += -m$(BITS)                   !! 106 # (specifically newer than 2.24.51.20140728) we then also need to explicitly
100 KBUILD_LDFLAGS  += -m elf$(BITS)$(LDEMULATION) !! 107 # set ".set hardfloat" in all files which manipulate floating point registers.
                                                   >> 108 #
                                                   >> 109 ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
                                                   >> 110         cflags-y                += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
101 endif                                             111 endif
102                                                   112 
103 cflags-$(CONFIG_STACKPROTECTOR) += -mstack-pro !! 113 cflags-y += -ffreestanding
104 ifdef CONFIG_PPC64                             !! 114 
105 cflags-$(CONFIG_STACKPROTECTOR) += -mstack-pro !! 115 #
                                                   >> 116 # We explicitly add the endianness specifier if needed, this allows
                                                   >> 117 # to compile kernels with a toolchain for the other endianness. We
                                                   >> 118 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
                                                   >> 119 # when fed the toolchain default!
                                                   >> 120 #
                                                   >> 121 # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
                                                   >> 122 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
                                                   >> 123 # are used, so we kludge that here.  A bug has been filed at
                                                   >> 124 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
                                                   >> 125 #
                                                   >> 126 # clang doesn't suffer from these issues and our checks against -dumpmachine
                                                   >> 127 # don't work so well when cross compiling, since without providing --target
                                                   >> 128 # clang's output will be based upon the build machine. So for clang we simply
                                                   >> 129 # unconditionally specify -EB or -EL as appropriate.
                                                   >> 130 #
                                                   >> 131 ifdef CONFIG_CC_IS_CLANG
                                                   >> 132 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -EB
                                                   >> 133 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -EL
106 else                                              134 else
107 cflags-$(CONFIG_STACKPROTECTOR) += -mstack-pro !! 135 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
108 endif                                          !! 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) $(predef-le))
                                                   >> 141 endif
                                                   >> 142 
                                                   >> 143 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
                                                   >> 144                                    -fno-omit-frame-pointer
                                                   >> 145 
                                                   >> 146 # Some distribution-specific toolchains might pass the -fstack-check
                                                   >> 147 # option during the build, which adds a simple stack-probe at the beginning
                                                   >> 148 # of every function.  This stack probe is to ensure that there is enough
                                                   >> 149 # stack space, else a SEGV is generated.  This is not desirable for MIPS
                                                   >> 150 # as kernel stacks are small, placed in unmapped virtual memory, and do not
                                                   >> 151 # grow when overflowed.  Especially on SGI IP27 platforms, this check will
                                                   >> 152 # lead to a NULL pointer dereference in _raw_spin_lock_irq.
                                                   >> 153 #
                                                   >> 154 # In disassembly, this stack probe appears at the top of a function as:
                                                   >> 155 #    sd         zero,<offset>(sp)
                                                   >> 156 # Where <offset> is a negative value.
                                                   >> 157 #
                                                   >> 158 cflags-y += -fno-stack-check
109                                                   159 
110 LDFLAGS_vmlinux-y := -Bstatic                  !! 160 #
111 LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie  !! 161 # CPU-dependent compiler/assembler options for optimization.
112 LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) += -z no !! 162 #
113 LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y)        !! 163 cflags-$(CONFIG_CPU_R3000)      += -march=r3000
114                                                !! 164 cflags-$(CONFIG_CPU_TX39XX)     += -march=r3900
115 ifdef CONFIG_PPC64                             !! 165 cflags-$(CONFIG_CPU_R4300)      += -march=r4300 -Wa,--trap
116 ifndef CONFIG_PPC_KERNEL_PCREL                 !! 166 cflags-$(CONFIG_CPU_VR41XX)     += -march=r4100 -Wa,--trap
117         # -mcmodel=medium breaks modules becau !! 167 cflags-$(CONFIG_CPU_R4X00)      += -march=r4600 -Wa,--trap
118         # the TOC pointer to create pointers w !! 168 cflags-$(CONFIG_CPU_TX49XX)     += -march=r4600 -Wa,--trap
119         # percpu data area are created by this !! 169 cflags-$(CONFIG_CPU_MIPS32_R1)  += -march=mips32 -Wa,--trap
120         #                                      !! 170 cflags-$(CONFIG_CPU_MIPS32_R2)  += -march=mips32r2 -Wa,--trap
121         # The kernel module loader relocates t !! 171 cflags-$(CONFIG_CPU_MIPS32_R6)  += -march=mips32r6 -Wa,--trap -modd-spreg
122         # original location (starting with 0xd !! 172 cflags-$(CONFIG_CPU_MIPS64_R1)  += -march=mips64 -Wa,--trap
123         # kernel percpu data space (starting w !! 173 cflags-$(CONFIG_CPU_MIPS64_R2)  += -march=mips64r2 -Wa,--trap
124         # 64bit relocation for this to work, h !! 174 cflags-$(CONFIG_CPU_MIPS64_R6)  += -march=mips64r6 -Wa,--trap
125         KBUILD_CFLAGS_MODULE += -mcmodel=large !! 175 cflags-$(CONFIG_CPU_R5000)      += -march=r5000 -Wa,--trap
126 endif                                          !! 176 cflags-$(CONFIG_CPU_R5432)      += $(call cc-option,-march=r5400,-march=r5000) \
127 endif                                          !! 177                         -Wa,--trap
                                                   >> 178 cflags-$(CONFIG_CPU_R5500)      += $(call cc-option,-march=r5500,-march=r5000) \
                                                   >> 179                         -Wa,--trap
                                                   >> 180 cflags-$(CONFIG_CPU_NEVADA)     += $(call cc-option,-march=rm5200,-march=r5000) \
                                                   >> 181                         -Wa,--trap
                                                   >> 182 cflags-$(CONFIG_CPU_RM7000)     += $(call cc-option,-march=rm7000,-march=r5000) \
                                                   >> 183                         -Wa,--trap
                                                   >> 184 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-march=sb1,-march=r5000) \
                                                   >> 185                         -Wa,--trap
                                                   >> 186 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-mno-mdmx)
                                                   >> 187 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-mno-mips3d)
                                                   >> 188 cflags-$(CONFIG_CPU_R8000)      += -march=r8000 -Wa,--trap
                                                   >> 189 cflags-$(CONFIG_CPU_R10000)     += $(call cc-option,-march=r10000,-march=r8000) \
                                                   >> 190                         -Wa,--trap
                                                   >> 191 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
                                                   >> 192 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
                                                   >> 193 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
                                                   >> 194 endif
                                                   >> 195 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
                                                   >> 196 cflags-$(CONFIG_CPU_BMIPS)      += -march=mips32 -Wa,-mips32 -Wa,--trap
                                                   >> 197 
                                                   >> 198 cflags-$(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 
                                                   >> 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.
                                                   >> 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-$(micromips-ase)                 += -mmicromips
                                                   >> 219 endif
                                                   >> 220 ifeq ($(CONFIG_CPU_HAS_MSA),y)
                                                   >> 221 toolchain-msa                           := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
                                                   >> 222 cflags-$(toolchain-msa)                 += -DTOOLCHAIN_SUPPORTS_MSA
                                                   >> 223 endif
                                                   >> 224 toolchain-virt                          := $(call cc-option-yn,$(mips-cflags) -mvirt)
                                                   >> 225 cflags-$(toolchain-virt)                += -DTOOLCHAIN_SUPPORTS_VIRT
                                                   >> 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
                                                   >> 232 toolchain-crc                           := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
                                                   >> 233 cflags-$(toolchain-crc)                 += -DTOOLCHAIN_SUPPORTS_CRC
                                                   >> 234 toolchain-dsp                           := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
                                                   >> 235 cflags-$(toolchain-dsp)                 += -DTOOLCHAIN_SUPPORTS_DSP
                                                   >> 236 
                                                   >> 237 #
                                                   >> 238 # Firmware support
                                                   >> 239 #
                                                   >> 240 libs-$(CONFIG_FW_ARC)           += arch/mips/fw/arc/
                                                   >> 241 libs-$(CONFIG_FW_CFE)           += arch/mips/fw/cfe/
                                                   >> 242 libs-$(CONFIG_FW_SNIPROM)       += arch/mips/fw/sni/
                                                   >> 243 libs-y                          += arch/mips/fw/lib/
128                                                   244 
129 CFLAGS-$(CONFIG_PPC64)  := $(call cc-option,-m !! 245 #
130 ifdef CONFIG_PPC64_ELF_ABI_V2                  !! 246 # Kernel compression
131 CFLAGS-$(CONFIG_PPC64)  += $(call cc-option,-m !! 247 #
                                                   >> 248 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
                                                   >> 249 COMPRESSION_FNAME               = vmlinuz
132 else                                              250 else
133 ifndef CONFIG_CC_IS_CLANG                      !! 251 COMPRESSION_FNAME               = vmlinux
134 CFLAGS-$(CONFIG_PPC64)  += $(call cc-option,-m << 
135 CFLAGS-$(CONFIG_PPC64)  += $(call cc-option,-m << 
136 endif                                             252 endif
137 endif                                          << 
138 CFLAGS-$(CONFIG_PPC64)  += -mcmodel=medium     << 
139 CFLAGS-$(CONFIG_PPC64)  += $(call cc-option,-m << 
140 CFLAGS-$(CONFIG_PPC64)  += $(call cc-option,-m << 
141                                                   253 
142 # Clang unconditionally reserves r2 on ppc32 a !! 254 #
143 # https://llvm.org/pr39555                     !! 255 # Board-dependent options and extra files
144 CFLAGS-$(CONFIG_PPC32)  := $(call cc-option, - !! 256 #
                                                   >> 257 include arch/mips/Kbuild.platforms
145                                                   258 
146 # Clang doesn't support -mmultiple / -mno-mult !! 259 ifdef CONFIG_PHYSICAL_START
147 # https://llvm.org/pr39556                     !! 260 load-y                                  = $(CONFIG_PHYSICAL_START)
148 CFLAGS-$(CONFIG_PPC32)  += $(call cc-option, $ !! 261 endif
149                                                   262 
150 CFLAGS-$(CONFIG_PPC32)  += $(call cc-option,-m !! 263 entry-y                         = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
                                                   >> 264 cflags-y                        += -I$(srctree)/arch/mips/include/asm/mach-generic
                                                   >> 265 drivers-$(CONFIG_PCI)           += arch/mips/pci/
151                                                   266 
152 CC_FLAGS_FPU            := $(call cc-option,-m !! 267 #
153 CC_FLAGS_NO_FPU         := $(call cc-option,-m !! 268 # Automatically detect the build format. By default we choose
                                                   >> 269 # the elf format according to the load address.
                                                   >> 270 # We can always force a build with a 64-bits symbol format by
                                                   >> 271 # passing 'KBUILD_SYM32=no' option to the make's command line.
                                                   >> 272 #
                                                   >> 273 ifdef CONFIG_64BIT
                                                   >> 274   ifndef KBUILD_SYM32
                                                   >> 275     ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
                                                   >> 276       KBUILD_SYM32 = y
                                                   >> 277     endif
                                                   >> 278   endif
154                                                   279 
155 ifdef CONFIG_FUNCTION_TRACER                   !! 280   ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
156 ifdef CONFIG_ARCH_USING_PATCHABLE_FUNCTION_ENT !! 281     cflags-y += -msym32 -DKBUILD_64BIT_SYM32
157 KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTI !! 282   else
158 CC_FLAGS_FTRACE := -fpatchable-function-entry= !! 283     ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
159 else                                           !! 284       $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
160 CC_FLAGS_FTRACE := -pg                         !! 285     endif
161 ifdef CONFIG_MPROFILE_KERNEL                   !! 286   endif
162 CC_FLAGS_FTRACE += -mprofile-kernel            << 
163 endif                                             287 endif
                                                   >> 288 
                                                   >> 289 KBUILD_AFLAGS   += $(cflags-y)
                                                   >> 290 KBUILD_CFLAGS   += $(cflags-y)
                                                   >> 291 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
                                                   >> 292 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
                                                   >> 293 
                                                   >> 294 bootvars-y      = VMLINUX_LOAD_ADDRESS=$(load-y) \
                                                   >> 295                   VMLINUX_ENTRY_ADDRESS=$(entry-y) \
                                                   >> 296                   PLATFORM="$(platform-y)" \
                                                   >> 297                   ITS_INPUTS="$(its-y)"
                                                   >> 298 ifdef CONFIG_32BIT
                                                   >> 299 bootvars-y      += ADDR_BITS=32
164 endif                                             300 endif
                                                   >> 301 ifdef CONFIG_64BIT
                                                   >> 302 bootvars-y      += ADDR_BITS=64
165 endif                                             303 endif
166                                                   304 
167 CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += -mcpu=$(CO !! 305 # This is required to get dwarf unwinding tables into .debug_frame
168 AFLAGS-$(CONFIG_TARGET_CPU_BOOL) += -mcpu=$(CO !! 306 # instead of .eh_frame so we don't discard them.
                                                   >> 307 KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
169                                                   308 
170 CFLAGS-y += $(CONFIG_TUNE_CPU)                 !! 309 KBUILD_LDFLAGS          += -m $(ld-emul)
171                                                   310 
172 asinstr := $(call as-instr,lis 9$(comma)foo@hi !! 311 ifdef CONFIG_MIPS
                                                   >> 312 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
                                                   >> 313         egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
                                                   >> 314         sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
                                                   >> 315 endif
                                                   >> 316 
                                                   >> 317 OBJCOPYFLAGS            += --remove-section=.reginfo
                                                   >> 318 
                                                   >> 319 head-y := arch/mips/kernel/head.o
                                                   >> 320 
                                                   >> 321 libs-y                  += arch/mips/lib/
                                                   >> 322 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
                                                   >> 323 
                                                   >> 324 # See arch/mips/Kbuild for content of core part of the kernel
                                                   >> 325 core-y += arch/mips/
                                                   >> 326 
                                                   >> 327 drivers-$(CONFIG_MIPS_CRC_SUPPORT) += arch/mips/crypto/
                                                   >> 328 drivers-$(CONFIG_OPROFILE)      += arch/mips/oprofile/
                                                   >> 329 
                                                   >> 330 # suspend and hibernation support
                                                   >> 331 drivers-$(CONFIG_PM)    += arch/mips/power/
                                                   >> 332 
                                                   >> 333 # boot image targets (arch/mips/boot/)
                                                   >> 334 boot-y                  := vmlinux.bin
                                                   >> 335 boot-y                  += vmlinux.ecoff
                                                   >> 336 boot-y                  += vmlinux.srec
                                                   >> 337 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
                                                   >> 338 boot-y                  += uImage
                                                   >> 339 boot-y                  += uImage.bin
                                                   >> 340 boot-y                  += uImage.bz2
                                                   >> 341 boot-y                  += uImage.gz
                                                   >> 342 boot-y                  += uImage.lzma
                                                   >> 343 boot-y                  += uImage.lzo
                                                   >> 344 endif
                                                   >> 345 boot-y                  += vmlinux.itb
                                                   >> 346 boot-y                  += vmlinux.gz.itb
                                                   >> 347 boot-y                  += vmlinux.bz2.itb
                                                   >> 348 boot-y                  += vmlinux.lzma.itb
                                                   >> 349 boot-y                  += vmlinux.lzo.itb
                                                   >> 350 
                                                   >> 351 # compressed boot image targets (arch/mips/boot/compressed/)
                                                   >> 352 bootz-y                 := vmlinuz
                                                   >> 353 bootz-y                 += vmlinuz.bin
                                                   >> 354 bootz-y                 += vmlinuz.ecoff
                                                   >> 355 bootz-y                 += vmlinuz.srec
                                                   >> 356 ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0)
                                                   >> 357 bootz-y                 += uzImage.bin
                                                   >> 358 endif
                                                   >> 359 
                                                   >> 360 ifdef CONFIG_LASAT
                                                   >> 361 rom.bin rom.sw: vmlinux
                                                   >> 362         $(Q)$(MAKE) $(build)=arch/mips/lasat/image \
                                                   >> 363                 $(bootvars-y) $@
                                                   >> 364 endif
173                                                   365 
174 KBUILD_CPPFLAGS += -I $(srctree)/arch/powerpc  !! 366 #
175 KBUILD_AFLAGS   += $(AFLAGS-y)                 !! 367 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
176 KBUILD_CFLAGS   += $(CC_FLAGS_NO_FPU)          !! 368 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
177 KBUILD_CFLAGS   += $(CFLAGS-y)                 !! 369 # convert to ECOFF using elf2ecoff.
178 CPP             = $(CC) -E $(KBUILD_CFLAGS)    !! 370 #
                                                   >> 371 quiet_cmd_32 = OBJCOPY $@
                                                   >> 372         cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
                                                   >> 373 vmlinux.32: vmlinux
                                                   >> 374         $(call cmd,32)
179                                                   375 
180 CHECKFLAGS      += -m$(BITS) -D__powerpc__ -D_ !! 376 #
181 ifdef CONFIG_CPU_BIG_ENDIAN                    !! 377 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
182 CHECKFLAGS      += -D__BIG_ENDIAN__            !! 378 # ELF files from 32-bit files by conversion.
                                                   >> 379 #
                                                   >> 380 quiet_cmd_64 = OBJCOPY $@
                                                   >> 381         cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
                                                   >> 382 vmlinux.64: vmlinux
                                                   >> 383         $(call cmd,64)
                                                   >> 384 
                                                   >> 385 all:    $(all-y)
                                                   >> 386 
                                                   >> 387 # boot
                                                   >> 388 $(boot-y): $(vmlinux-32) FORCE
                                                   >> 389         $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
                                                   >> 390                 $(bootvars-y) arch/mips/boot/$@
                                                   >> 391 
                                                   >> 392 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
                                                   >> 393 # boot/compressed
                                                   >> 394 $(bootz-y): $(vmlinux-32) FORCE
                                                   >> 395         $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
                                                   >> 396                 $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@
183 else                                              397 else
184 CHECKFLAGS      += -D__LITTLE_ENDIAN__         !! 398 vmlinuz: FORCE
                                                   >> 399         @echo '   CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
                                                   >> 400         /bin/false
185 endif                                             401 endif
186                                                   402 
187 ifdef CONFIG_476FPE_ERR46                      << 
188         KBUILD_LDFLAGS_MODULE += --ppc476-work << 
189                 -T $(srctree)/arch/powerpc/pla << 
190 endif                                          << 
191                                                   403 
192 # No prefix or pcrel                           !! 404 CLEAN_FILES += vmlinux.32 vmlinux.64
193 ifdef CONFIG_PPC_KERNEL_PREFIXED               !! 405 
194 KBUILD_CFLAGS += $(call cc-option,-mprefixed)  !! 406 # device-trees
195 else                                           !! 407 core-y += arch/mips/boot/dts/
196 KBUILD_CFLAGS += $(call cc-option,-mno-prefixe !! 408 
                                                   >> 409 archprepare:
                                                   >> 410 ifdef CONFIG_MIPS32_N32
                                                   >> 411         @$(kecho) '  Checking missing-syscalls for N32'
                                                   >> 412         $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
197 endif                                             413 endif
198 ifdef CONFIG_PPC_KERNEL_PCREL                  !! 414 ifdef CONFIG_MIPS32_O32
199 KBUILD_CFLAGS += $(call cc-option,-mpcrel)     !! 415         @$(kecho) '  Checking missing-syscalls for O32'
200 else                                           !! 416         $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
201 KBUILD_CFLAGS += $(call cc-option,-mno-pcrel)  << 
202 endif                                             417 endif
203                                                   418 
204 # No AltiVec or VSX or MMA instructions when b !! 419 install:
205 KBUILD_CFLAGS += $(call cc-option,-mno-altivec !! 420         $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
206 KBUILD_CFLAGS += $(call cc-option,-mno-vsx)    !! 421 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
207 KBUILD_CFLAGS += $(call cc-option,-mno-mma)    !! 422         $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
                                                   >> 423 endif
                                                   >> 424         $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
                                                   >> 425         $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
                                                   >> 426 
                                                   >> 427 archclean:
                                                   >> 428         $(Q)$(MAKE) $(clean)=arch/mips/boot
                                                   >> 429         $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
                                                   >> 430         $(Q)$(MAKE) $(clean)=arch/mips/boot/tools
                                                   >> 431         $(Q)$(MAKE) $(clean)=arch/mips/lasat
208                                                   432 
209 # No SPE instruction when building kernel      !! 433 archheaders:
210 # (We use all available options to help semi-b !! 434         $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
211 KBUILD_CFLAGS += $(call cc-option,-mno-spe)    << 
212 KBUILD_CFLAGS += $(call cc-option,-mspe=no)    << 
213                                                   435 
214 # Don't emit .eh_frame since we have no use fo !! 436 define archhelp
215 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl !! 437         echo '  install              - install kernel into $(INSTALL_PATH)'
                                                   >> 438         echo '  vmlinux.ecoff        - ECOFF boot image'
                                                   >> 439         echo '  vmlinux.bin          - Raw binary boot image'
                                                   >> 440         echo '  vmlinux.srec         - SREC boot image'
                                                   >> 441         echo '  vmlinux.32           - 64-bit boot image wrapped in 32bits (IP22/IP32)'
                                                   >> 442         echo '  vmlinuz              - Compressed boot(zboot) image'
                                                   >> 443         echo '  vmlinuz.ecoff        - ECOFF zboot image'
                                                   >> 444         echo '  vmlinuz.bin          - Raw binary zboot image'
                                                   >> 445         echo '  vmlinuz.srec         - SREC zboot image'
                                                   >> 446         echo '  uImage               - U-Boot image'
                                                   >> 447         echo '  uImage.bin           - U-Boot image (uncompressed)'
                                                   >> 448         echo '  uImage.bz2           - U-Boot image (bz2)'
                                                   >> 449         echo '  uImage.gz            - U-Boot image (gzip)'
                                                   >> 450         echo '  uImage.lzma          - U-Boot image (lzma)'
                                                   >> 451         echo '  uImage.lzo           - U-Boot image (lzo)'
                                                   >> 452         echo '  uzImage.bin          - U-Boot image (self-extracting)'
                                                   >> 453         echo
                                                   >> 454         echo '  These will be default as appropriate for a configured platform.'
                                                   >> 455         echo
                                                   >> 456         echo '  If you are targeting a system supported by generic kernels you may'
                                                   >> 457         echo '  configure the kernel for a given architecture target like so:'
                                                   >> 458         echo
                                                   >> 459         echo '  {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
                                                   >> 460         echo
                                                   >> 461         echo '  Where BOARDS is some subset of the following:'
                                                   >> 462         for board in $(sort $(BOARDS)); do echo "    $${board}"; done
                                                   >> 463         echo
                                                   >> 464         echo '  Specifically the following generic default configurations are'
                                                   >> 465         echo '  supported:'
                                                   >> 466         echo
                                                   >> 467         $(foreach cfg,$(generic_defconfigs),
                                                   >> 468           printf "  %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);)
                                                   >> 469         echo
                                                   >> 470         echo '  The following legacy default configurations have been converted to'
                                                   >> 471         echo '  generic and can still be used:'
                                                   >> 472         echo
                                                   >> 473         $(foreach cfg,$(sort $(legacy_defconfigs)),
                                                   >> 474           printf "  %-24s - Build $($(cfg)-y)\n" $(cfg);)
                                                   >> 475         echo
                                                   >> 476         echo '  Otherwise, the following default configurations are available:'
                                                   >> 477 endef
216                                                   478 
217 # Never use string load/store instructions as  !! 479 generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
218 # often slow when they are implemented at all  !! 480 generic_defconfigs :=
219 KBUILD_CFLAGS           += $(call cc-option,-m << 
220                                                << 
221 KBUILD_AFLAGS += $(aflags-y)                   << 
222 KBUILD_CFLAGS += $(cflags-y)                   << 
223                                                << 
224 # Default to zImage, override when needed      << 
225 all: zImage                                    << 
226                                                << 
227 # With make 3.82 we cannot mix normal and wild << 
228 BOOT_TARGETS1 := zImage zImage.initrd uImage   << 
229 BOOT_TARGETS2 := zImage% dtbImage% treeImage.% << 
230                                                << 
231 PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2)     << 
232                                                << 
233 boot := arch/powerpc/boot                      << 
234                                                << 
235 $(BOOT_TARGETS1): vmlinux                      << 
236         $(Q)$(MAKE) $(build)=$(boot) $(patsubs << 
237 $(BOOT_TARGETS2): vmlinux                      << 
238         $(Q)$(MAKE) $(build)=$(boot) $(patsubs << 
239                                                << 
240                                                << 
241 PHONY += bootwrapper_install                   << 
242 bootwrapper_install:                           << 
243         $(Q)$(MAKE) $(build)=$(boot) $(patsubs << 
244                                                << 
245 include $(srctree)/scripts/Makefile.defconf    << 
246                                                << 
247 generated_configs += ppc64le_defconfig         << 
248 ppc64le_defconfig:                             << 
249         $(call merge_into_defconfig,ppc64_defc << 
250                                                << 
251 generated_configs += ppc64le_guest_defconfig   << 
252 ppc64le_guest_defconfig:                       << 
253         $(call merge_into_defconfig,ppc64_defc << 
254                                                << 
255 generated_configs += ppc64_guest_defconfig     << 
256 ppc64_guest_defconfig:                         << 
257         $(call merge_into_defconfig,ppc64_defc << 
258                                                << 
259 generated_configs += pseries_le_defconfig      << 
260 pseries_le_defconfig: ppc64le_guest_defconfig  << 
261                                                << 
262 generated_configs += pseries_defconfig         << 
263 pseries_defconfig: ppc64le_guest_defconfig     << 
264                                                << 
265 generated_configs += powernv_be_defconfig      << 
266 powernv_be_defconfig:                          << 
267         $(call merge_into_defconfig,powernv_de << 
268                                                << 
269 generated_configs += mpc85xx_defconfig         << 
270 mpc85xx_defconfig:                             << 
271         $(call merge_into_defconfig,mpc85xx_ba << 
272                 85xx-32bit 85xx-hw fsl-emb-non << 
273                                                << 
274 generated_configs += mpc85xx_smp_defconfig     << 
275 mpc85xx_smp_defconfig:                         << 
276         $(call merge_into_defconfig,mpc85xx_ba << 
277                 85xx-32bit 85xx-smp 85xx-hw fs << 
278                                                << 
279 generated_configs += corenet32_smp_defconfig   << 
280 corenet32_smp_defconfig:                       << 
281         $(call merge_into_defconfig,corenet_ba << 
282                 85xx-32bit 85xx-smp 85xx-hw fs << 
283                                                << 
284 generated_configs += corenet64_smp_defconfig   << 
285 corenet64_smp_defconfig:                       << 
286         $(call merge_into_defconfig,corenet_ba << 
287                 85xx-64bit 85xx-smp altivec 85 << 
288                                                << 
289 generated_configs += mpc86xx_defconfig         << 
290 mpc86xx_defconfig:                             << 
291         $(call merge_into_defconfig,mpc86xx_ba << 
292                 86xx-hw fsl-emb-nonhw)         << 
293                                                << 
294 generated_configs += mpc86xx_smp_defconfig     << 
295 mpc86xx_smp_defconfig:                         << 
296         $(call merge_into_defconfig,mpc86xx_ba << 
297                 86xx-smp 86xx-hw fsl-emb-nonhw << 
298                                                << 
299 generated_configs += ppc32_allmodconfig        << 
300 ppc32_allmodconfig:                            << 
301         $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 
302                 -f $(srctree)/Makefile allmodc << 
303                                                << 
304 generated_configs += ppc44x_allmodconfig       << 
305 ppc44x_allmodconfig:                           << 
306         $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 
307                 -f $(srctree)/Makefile allmodc << 
308                                                << 
309 generated_configs += ppc8xx_allmodconfig       << 
310 ppc8xx_allmodconfig:                           << 
311         $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 
312                 -f $(srctree)/Makefile allmodc << 
313                                                << 
314 generated_configs += ppc85xx_allmodconfig      << 
315 ppc85xx_allmodconfig:                          << 
316         $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 
317                 -f $(srctree)/Makefile allmodc << 
318                                                << 
319 generated_configs += ppc_defconfig             << 
320 ppc_defconfig:                                 << 
321         $(call merge_into_defconfig,book3s_32. << 
322                                                << 
323 generated_configs += ppc64le_allmodconfig      << 
324 ppc64le_allmodconfig:                          << 
325         $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 
326                 -f $(srctree)/Makefile allmodc << 
327                                                << 
328 generated_configs += ppc64le_allnoconfig       << 
329 ppc64le_allnoconfig:                           << 
330         $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 
331                 -f $(srctree)/Makefile allnoco << 
332                                                << 
333 generated_configs += ppc64_book3e_allmodconfig << 
334 ppc64_book3e_allmodconfig:                     << 
335         $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 
336                 -f $(srctree)/Makefile allmodc << 
337                                                << 
338 generated_configs += ppc32_randconfig          << 
339 ppc32_randconfig:                              << 
340         $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 
341                 -f $(srctree)/Makefile randcon << 
342                                                << 
343 generated_configs += ppc64_randconfig          << 
344 ppc64_randconfig:                              << 
345         $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 
346                 -f $(srctree)/Makefile randcon << 
347                                                   481 
348 PHONY += $(generated_configs)                  !! 482 #
                                                   >> 483 # If the user generates a generic kernel configuration without specifying a
                                                   >> 484 # list of boards to include the config fragments for, default to including all
                                                   >> 485 # available board config fragments.
                                                   >> 486 #
                                                   >> 487 ifeq ($(BOARDS),)
                                                   >> 488 BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
                                                   >> 489 endif
349                                                   490 
350 define archhelp                                !! 491 #
351   echo '* zImage          - Build default imag !! 492 # Generic kernel configurations which merge generic_defconfig with the
352   echo '  zImage.*        - Compressed kernel  !! 493 # appropriate config fragments from arch/mips/configs/generic/, resulting in
353   echo '  uImage          - U-Boot native imag !! 494 # the ability to easily configure the kernel for a given architecture,
354   echo '  cuImage.<dt>    - Backwards compatib !! 495 # endianness & set of boards without duplicating the needed configuration in
355   echo '                    versions which do  !! 496 # hundreds of defconfig files.
356   echo '  dtbImage.<dt>   - zImage with an emb !! 497 #
357   echo '  simpleImage.<dt> - Firmware independ !! 498 define gen_generic_defconfigs
358   echo '  treeImage.<dt>  - Support for older  !! 499 $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
359   echo '  install         - Install kernel usi !! 500 target := $(bits)$(rev)$(filter el,$(endian))_defconfig
360   echo '                    (your) ~/bin/$(INS !! 501 generic_defconfigs += $$(target)
361   echo '                    (distribution) /sb !! 502 $$(target): $(generic_config_dir)/$(bits)$(rev).config
362   echo '                    install to $$(INST !! 503 $$(target): $(generic_config_dir)/$(endian).config
363   echo '  *_defconfig     - Select default con !! 504 )))
364   echo ''                                      << 
365   echo '  Targets with <dt> embed a device tre << 
366   echo '  These targets support board with fir << 
367   echo '  support passing a device tree direct << 
368   echo '  name of a dts file from the arch/pow << 
369   echo '  (minus the .dts extension).'         << 
370   echo                                         << 
371   $(foreach cfg,$(generated_configs),          << 
372     printf "  %-27s - Build for %s\\n" $(cfg)  << 
373 endef                                             505 endef
374                                                   506 
375 PHONY += install                               !! 507 $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
376 install:                                       !! 508 $(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
377         $(call cmd,install)                    << 
378                                                   509 
379 ifeq ($(KBUILD_EXTMOD),)                       !! 510 define describe_generic_defconfig
380 # We need to generate vdso-offsets.h before co !! 511 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1)))))
381 # In order to do that, we should use the archp !! 512 endef
382 # asm-offsets.h is included in some files used << 
383 # asm-offsets.h is built in prepare0, for whic << 
384 # Therefore we need to generate the header aft << 
385 # this hack.                                   << 
386 prepare: vdso_prepare                          << 
387 vdso_prepare: prepare0                         << 
388         $(if $(CONFIG_VDSO32),$(Q)$(MAKE) \    << 
389                 $(build)=arch/powerpc/kernel/v << 
390         $(if $(CONFIG_PPC64),$(Q)$(MAKE) \     << 
391                 $(build)=arch/powerpc/kernel/v << 
392 endif                                          << 
393                                                   513 
394 archprepare: checkbin                          !! 514 .PHONY: $(generic_defconfigs)
                                                   >> 515 $(generic_defconfigs):
                                                   >> 516         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
                                                   >> 517                 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
                                                   >> 518                 grep -Ev '^#'
                                                   >> 519         $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
                                                   >> 520         $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
                                                   >> 521                 KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
                                                   >> 522         $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
                                                   >> 523                 $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
                                                   >> 524                 "$(origin BOARDS)" $(BOARDS)
                                                   >> 525         $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
395                                                   526 
396 archheaders:                                   !! 527 #
397         $(Q)$(MAKE) $(build)=arch/powerpc/kern !! 528 # Prevent generic merge_config rules attempting to merge single fragments
                                                   >> 529 #
                                                   >> 530 $(generic_config_dir)/%.config: ;
398                                                   531 
399 ifdef CONFIG_STACKPROTECTOR                    !! 532 #
400 prepare: stack_protector_prepare               !! 533 # Prevent direct use of generic_defconfig, which is intended to be used as the
                                                   >> 534 # basis of the various ISA-specific targets generated above.
                                                   >> 535 #
                                                   >> 536 .PHONY: generic_defconfig
                                                   >> 537 generic_defconfig:
                                                   >> 538         $(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
                                                   >> 539         $(Q)echo "used via an ISA-specific target from the following list:"
                                                   >> 540         $(Q)echo
                                                   >> 541         $(Q)for cfg in $(generic_defconfigs); do echo "  $${cfg}"; done
                                                   >> 542         $(Q)echo
                                                   >> 543         $(Q)false
401                                                   544 
402 PHONY += stack_protector_prepare               !! 545 #
403 stack_protector_prepare: prepare0              !! 546 # Legacy defconfig compatibility - these targets used to be real defconfigs but
404 ifdef CONFIG_PPC64                             !! 547 # now that the boards have been converted to use the generic kernel they are
405         $(eval KBUILD_CFLAGS += -mstack-protec !! 548 # wrappers around the generic rules above.
406 else                                           !! 549 #
407         $(eval KBUILD_CFLAGS += -mstack-protec !! 550 legacy_defconfigs               += ocelot_defconfig
408 endif                                          !! 551 ocelot_defconfig-y              := 32r2el_defconfig BOARDS=ocelot
409 endif                                          !! 552 
                                                   >> 553 legacy_defconfigs               += sead3_defconfig
                                                   >> 554 sead3_defconfig-y               := 32r2el_defconfig BOARDS=sead-3
                                                   >> 555 
                                                   >> 556 legacy_defconfigs               += sead3micro_defconfig
                                                   >> 557 sead3micro_defconfig-y          := micro32r2el_defconfig BOARDS=sead-3
                                                   >> 558 
                                                   >> 559 legacy_defconfigs               += xilfpga_defconfig
                                                   >> 560 xilfpga_defconfig-y             := 32r2el_defconfig BOARDS=xilfpga
410                                                   561 
411 PHONY += checkbin                              !! 562 .PHONY: $(legacy_defconfigs)
412 checkbin:                                      !! 563 $(legacy_defconfigs):
413         @if test "x${CONFIG_FTRACE_MCOUNT_USE_ !! 564         $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)
414                 "x${CONFIG_LD_IS_BFD}" = "xy"  << 
415                 "${CONFIG_LD_VERSION}" = "2370 << 
416                 echo -n '*** binutils 2.37 dro << 
417                 echo 'is unable to handle.' ;  << 
418                 echo '*** Please use a differe << 
419                 false ; \                      << 
420         fi                                     << 
                                                      

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