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TOMOYO Linux Cross Reference
Linux/arch/mips/Makefile

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

Diff markup

Differences between /arch/mips/Makefile (Version linux-6.12-rc7) and /arch/mips/Makefile (Version linux-6.8.12)


  1 #                                                   1 #
  2 # This file is subject to the terms and condit      2 # This file is subject to the terms and conditions of the GNU General Public
  3 # License.  See the file "COPYING" in the main      3 # License.  See the file "COPYING" in the main directory of this archive
  4 # for more details.                                 4 # for more details.
  5 #                                                   5 #
  6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Bae      6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
  7 # DECStation modifications by Paul M. Antoine,      7 # DECStation modifications by Paul M. Antoine, 1996
  8 # Copyright (C) 2002, 2003, 2004  Maciej W. Ro      8 # Copyright (C) 2002, 2003, 2004  Maciej W. Rozycki
  9 #                                                   9 #
 10 # This file is included by the global makefile     10 # This file is included by the global makefile so that you can add your own
 11 # architecture-specific flags and dependencies     11 # architecture-specific flags and dependencies.
 12 #                                                  12 #
 13                                                    13 
 14 archscripts: scripts_basic                         14 archscripts: scripts_basic
 15         $(Q)$(MAKE) $(build)=arch/mips/tools e     15         $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry
 16 ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y)       16 ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y)
 17         $(Q)$(MAKE) $(build)=arch/mips/tools l     17         $(Q)$(MAKE) $(build)=arch/mips/tools loongson3-llsc-check
 18 endif                                              18 endif
 19         $(Q)$(MAKE) $(build)=arch/mips/boot/to     19         $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
 20                                                    20 
 21 KBUILD_DEFCONFIG := 32r2el_defconfig               21 KBUILD_DEFCONFIG := 32r2el_defconfig
 22 KBUILD_DTBS      := dtbs                           22 KBUILD_DTBS      := dtbs
 23                                                    23 
 24 #                                                  24 #
 25 # Select the object file format to substitute      25 # Select the object file format to substitute into the linker script.
 26 #                                                  26 #
 27 ifdef CONFIG_CPU_LITTLE_ENDIAN                     27 ifdef CONFIG_CPU_LITTLE_ENDIAN
 28 32bit-tool-archpref     = mipsel                   28 32bit-tool-archpref     = mipsel
 29 64bit-tool-archpref     = mips64el                 29 64bit-tool-archpref     = mips64el
 30 32bit-bfd               = elf32-tradlittlemips     30 32bit-bfd               = elf32-tradlittlemips
 31 64bit-bfd               = elf64-tradlittlemips     31 64bit-bfd               = elf64-tradlittlemips
 32 32bit-emul              = elf32ltsmip              32 32bit-emul              = elf32ltsmip
 33 64bit-emul              = elf64ltsmip              33 64bit-emul              = elf64ltsmip
 34 else                                               34 else
 35 32bit-tool-archpref     = mips                     35 32bit-tool-archpref     = mips
 36 64bit-tool-archpref     = mips64                   36 64bit-tool-archpref     = mips64
 37 32bit-bfd               = elf32-tradbigmips        37 32bit-bfd               = elf32-tradbigmips
 38 64bit-bfd               = elf64-tradbigmips        38 64bit-bfd               = elf64-tradbigmips
 39 32bit-emul              = elf32btsmip              39 32bit-emul              = elf32btsmip
 40 64bit-emul              = elf64btsmip              40 64bit-emul              = elf64btsmip
 41 endif                                              41 endif
 42                                                    42 
 43 ifdef CONFIG_32BIT                                 43 ifdef CONFIG_32BIT
 44 tool-archpref           = $(32bit-tool-archpre     44 tool-archpref           = $(32bit-tool-archpref)
 45 UTS_MACHINE             := mips                    45 UTS_MACHINE             := mips
 46 endif                                              46 endif
 47 ifdef CONFIG_64BIT                                 47 ifdef CONFIG_64BIT
 48 tool-archpref           = $(64bit-tool-archpre     48 tool-archpref           = $(64bit-tool-archpref)
 49 UTS_MACHINE             := mips64                  49 UTS_MACHINE             := mips64
 50 endif                                              50 endif
 51                                                    51 
 52 ifdef cross_compiling                              52 ifdef cross_compiling
 53   ifeq ($(CROSS_COMPILE),)                         53   ifeq ($(CROSS_COMPILE),)
 54     CROSS_COMPILE := $(call cc-cross-prefix, $     54     CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux-  $(tool-archpref)-linux-gnu-  $(tool-archpref)-unknown-linux-gnu-)
 55   endif                                            55   endif
 56 endif                                              56 endif
 57                                                    57 
 58 ifdef CONFIG_FUNCTION_GRAPH_TRACER                 58 ifdef CONFIG_FUNCTION_GRAPH_TRACER
 59   ifndef KBUILD_MCOUNT_RA_ADDRESS                  59   ifndef KBUILD_MCOUNT_RA_ADDRESS
 60     ifeq ($(call cc-option-yn,-mmcount-ra-addr     60     ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
 61       cflags-y += -mmcount-ra-address -DKBUILD     61       cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
 62     endif                                          62     endif
 63   endif                                            63   endif
 64 endif                                              64 endif
 65 cflags-y += $(call cc-option, -mno-check-zero-     65 cflags-y += $(call cc-option, -mno-check-zero-division)
 66                                                    66 
 67 ifdef CONFIG_32BIT                                 67 ifdef CONFIG_32BIT
 68 ld-emul                 = $(32bit-emul)            68 ld-emul                 = $(32bit-emul)
 69 vmlinux-32              = vmlinux                  69 vmlinux-32              = vmlinux
 70 vmlinux-64              = vmlinux.64               70 vmlinux-64              = vmlinux.64
 71                                                    71 
 72 cflags-y                += -mabi=32                72 cflags-y                += -mabi=32
 73 endif                                              73 endif
 74                                                    74 
 75 ifdef CONFIG_64BIT                                 75 ifdef CONFIG_64BIT
 76 ld-emul                 = $(64bit-emul)            76 ld-emul                 = $(64bit-emul)
 77 vmlinux-32              = vmlinux.32               77 vmlinux-32              = vmlinux.32
 78 vmlinux-64              = vmlinux                  78 vmlinux-64              = vmlinux
 79                                                    79 
 80 cflags-y                += -mabi=64                80 cflags-y                += -mabi=64
 81 endif                                              81 endif
 82                                                    82 
 83 all-$(CONFIG_BOOT_ELF32)        := $(vmlinux-3     83 all-$(CONFIG_BOOT_ELF32)        := $(vmlinux-32)
 84 all-$(CONFIG_BOOT_ELF64)        := $(vmlinux-6     84 all-$(CONFIG_BOOT_ELF64)        := $(vmlinux-64)
 85 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz         85 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
 86                                                    86 
 87 #                                                  87 #
 88 # GCC uses -G 0 -mabicalls -fpic as default.       88 # GCC uses -G 0 -mabicalls -fpic as default.  We don't want PIC in the kernel
 89 # code since it only slows down the whole thin     89 # code since it only slows down the whole thing.  At some point we might make
 90 # use of global pointer optimizations but thei     90 # use of global pointer optimizations but their use of $28 conflicts with
 91 # the current pointer optimization.                91 # the current pointer optimization.
 92 #                                                  92 #
 93 # The DECStation requires an ECOFF kernel for      93 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
 94 # machines may also.  Since BFD is incredibly      94 # machines may also.  Since BFD is incredibly buggy with respect to
 95 # crossformat linking we rely on the elf2ecoff     95 # crossformat linking we rely on the elf2ecoff tool for format conversion.
 96 #                                                  96 #
 97 cflags-y                        += -G 0 -mno-a     97 cflags-y                        += -G 0 -mno-abicalls -fno-pic -pipe
 98 cflags-y                        += -msoft-floa     98 cflags-y                        += -msoft-float -Wa,-msoft-float
 99 LDFLAGS_vmlinux                 += -G 0 -stati     99 LDFLAGS_vmlinux                 += -G 0 -static -n -nostdlib
100 KBUILD_AFLAGS_MODULE            += -mlong-call    100 KBUILD_AFLAGS_MODULE            += -mlong-calls
101 KBUILD_CFLAGS_MODULE            += -mlong-call    101 KBUILD_CFLAGS_MODULE            += -mlong-calls
102                                                   102 
103 ifeq ($(CONFIG_RELOCATABLE),y)                    103 ifeq ($(CONFIG_RELOCATABLE),y)
104 LDFLAGS_vmlinux                 += --emit-relo    104 LDFLAGS_vmlinux                 += --emit-relocs
105 endif                                             105 endif
106                                                   106 
107 cflags-y += -ffreestanding                        107 cflags-y += -ffreestanding
108                                                   108 
109 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -EB    109 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -EB
110 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -EL    110 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -EL
111                                                   111 
112 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-o    112 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
113                                    -fno-omit-f    113                                    -fno-omit-frame-pointer
114                                                   114 
115 # Some distribution-specific toolchains might     115 # Some distribution-specific toolchains might pass the -fstack-check
116 # option during the build, which adds a simple    116 # option during the build, which adds a simple stack-probe at the beginning
117 # of every function.  This stack probe is to e    117 # of every function.  This stack probe is to ensure that there is enough
118 # stack space, else a SEGV is generated.  This    118 # stack space, else a SEGV is generated.  This is not desirable for MIPS
119 # as kernel stacks are small, placed in unmapp    119 # as kernel stacks are small, placed in unmapped virtual memory, and do not
120 # grow when overflowed.  Especially on SGI IP2    120 # grow when overflowed.  Especially on SGI IP27 platforms, this check will
121 # lead to a NULL pointer dereference in _raw_s    121 # lead to a NULL pointer dereference in _raw_spin_lock_irq.
122 #                                                 122 #
123 # In disassembly, this stack probe appears at     123 # In disassembly, this stack probe appears at the top of a function as:
124 #    sd         zero,<offset>(sp)                 124 #    sd         zero,<offset>(sp)
125 # Where <offset> is a negative value.             125 # Where <offset> is a negative value.
126 #                                                 126 #
127 cflags-y += -fno-stack-check                      127 cflags-y += -fno-stack-check
128                                                   128 
129 # binutils from v2.35 when built with --enable    129 # binutils from v2.35 when built with --enable-mips-fix-loongson3-llsc=yes,
130 # supports an -mfix-loongson3-llsc flag which     130 # supports an -mfix-loongson3-llsc flag which emits a sync prior to each ll
131 # instruction to work around a CPU bug (see __    131 # instruction to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h
132 # for a description).                             132 # for a description).
133 #                                                 133 #
134 # We disable this in order to prevent the asse    134 # We disable this in order to prevent the assembler meddling with the
135 # instruction that labels refer to, ie. if we     135 # instruction that labels refer to, ie. if we label an ll instruction:
136 #                                                 136 #
137 # 1: ll v0, 0(a0)                                 137 # 1: ll v0, 0(a0)
138 #                                                 138 #
139 # ...then with the assembler fix applied the l    139 # ...then with the assembler fix applied the label may actually point at a sync
140 # instruction inserted by the assembler, and i    140 # instruction inserted by the assembler, and if we were using the label in an
141 # exception table the table would no longer co    141 # exception table the table would no longer contain the address of the ll
142 # instruction.                                    142 # instruction.
143 #                                                 143 #
144 # Avoid this by explicitly disabling that asse    144 # Avoid this by explicitly disabling that assembler behaviour.
145 #                                                 145 #
146 cflags-y += $(call cc-option,-Wa$(comma)-mno-f    146 cflags-y += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
147                                                   147 
148 #                                                 148 #
149 # CPU-dependent compiler/assembler options for    149 # CPU-dependent compiler/assembler options for optimization.
150 #                                                 150 #
151 cflags-$(CONFIG_CPU_R3000)      += $(call cc-o !! 151 cflags-$(CONFIG_CPU_R3000)      += -march=r3000
152 cflags-$(CONFIG_CPU_R4300)      += $(call cc-o !! 152 cflags-$(CONFIG_CPU_R4300)      += -march=r4300 -Wa,--trap
153 cflags-$(CONFIG_CPU_R4X00)      += $(call cc-o !! 153 cflags-$(CONFIG_CPU_R4X00)      += -march=r4600 -Wa,--trap
154 cflags-$(CONFIG_CPU_TX49XX)     += $(call cc-o !! 154 cflags-$(CONFIG_CPU_TX49XX)     += -march=r4600 -Wa,--trap
155 cflags-$(CONFIG_CPU_MIPS32_R1)  += -march=mips    155 cflags-$(CONFIG_CPU_MIPS32_R1)  += -march=mips32 -Wa,--trap
156 cflags-$(CONFIG_CPU_MIPS32_R2)  += -march=mips    156 cflags-$(CONFIG_CPU_MIPS32_R2)  += -march=mips32r2 -Wa,--trap
157 cflags-$(CONFIG_CPU_MIPS32_R5)  += -march=mips    157 cflags-$(CONFIG_CPU_MIPS32_R5)  += -march=mips32r5 -Wa,--trap -modd-spreg
158 cflags-$(CONFIG_CPU_MIPS32_R6)  += -march=mips    158 cflags-$(CONFIG_CPU_MIPS32_R6)  += -march=mips32r6 -Wa,--trap -modd-spreg
159 cflags-$(CONFIG_CPU_MIPS64_R1)  += -march=mips    159 cflags-$(CONFIG_CPU_MIPS64_R1)  += -march=mips64 -Wa,--trap
160 cflags-$(CONFIG_CPU_MIPS64_R2)  += -march=mips    160 cflags-$(CONFIG_CPU_MIPS64_R2)  += -march=mips64r2 -Wa,--trap
161 cflags-$(CONFIG_CPU_MIPS64_R5)  += -march=mips    161 cflags-$(CONFIG_CPU_MIPS64_R5)  += -march=mips64r5 -Wa,--trap
162 cflags-$(CONFIG_CPU_MIPS64_R6)  += -march=mips    162 cflags-$(CONFIG_CPU_MIPS64_R6)  += -march=mips64r6 -Wa,--trap
163 cflags-$(CONFIG_CPU_P5600)      += $(call cc-o !! 163 cflags-$(CONFIG_CPU_P5600)      += -march=p5600 -Wa,--trap -modd-spreg
164                         -Wa,--trap -modd-spreg !! 164 cflags-$(CONFIG_CPU_R5000)      += -march=r5000 -Wa,--trap
165 cflags-$(CONFIG_CPU_R5000)      += $(call cc-o !! 165 cflags-$(CONFIG_CPU_R5500)      += $(call cc-option,-march=r5500,-march=r5000) \
166                         -Wa,--trap                166                         -Wa,--trap
167 cflags-$(CONFIG_CPU_R5500)      += $(call cc-o !! 167 cflags-$(CONFIG_CPU_NEVADA)     += $(call cc-option,-march=rm5200,-march=r5000) \
168                         -Wa,--trap                168                         -Wa,--trap
169 cflags-$(CONFIG_CPU_NEVADA)     += $(call cc-o !! 169 cflags-$(CONFIG_CPU_RM7000)     += $(call cc-option,-march=rm7000,-march=r5000) \
170                         -Wa,--trap                170                         -Wa,--trap
171 cflags-$(CONFIG_CPU_RM7000)     += $(call cc-o !! 171 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-march=sb1,-march=r5000) \
172                         -Wa,--trap             << 
173 cflags-$(CONFIG_CPU_SB1)        += $(call cc-o << 
174                         -Wa,--trap                172                         -Wa,--trap
175 cflags-$(CONFIG_CPU_SB1)        += $(call cc-o    173 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-mno-mdmx)
176 cflags-$(CONFIG_CPU_SB1)        += $(call cc-o    174 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-mno-mips3d)
177 cflags-$(CONFIG_CPU_R10000)     += $(call cc-o !! 175 cflags-$(CONFIG_CPU_R10000)     += $(call cc-option,-march=r10000,-march=r8000) \
178                         -Wa,--trap                176                         -Wa,--trap
179 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -march=o !! 177 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
                                                   >> 178 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
                                                   >> 179 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
                                                   >> 180 endif
180 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-    181 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
181 cflags-$(CONFIG_CPU_BMIPS)      += -march=mips !! 182 cflags-$(CONFIG_CPU_BMIPS)      += -march=mips32 -Wa,-mips32 -Wa,--trap
182                                                   183 
183 cflags-$(CONFIG_CPU_LOONGSON2E) += \           !! 184 cflags-$(CONFIG_CPU_LOONGSON2E) += -march=loongson2e -Wa,--trap
184                         $(call cc-option,-marc !! 185 cflags-$(CONFIG_CPU_LOONGSON2F) += -march=loongson2f -Wa,--trap
185 cflags-$(CONFIG_CPU_LOONGSON2F) += \           << 
186                         $(call cc-option,-marc << 
187 # Some -march= flags enable MMI instructions,     186 # Some -march= flags enable MMI instructions, and GCC complains about that
188 # support being enabled alongside -msoft-float    187 # support being enabled alongside -msoft-float. Thus explicitly disable MMI.
189 cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-    188 cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-mno-loongson-mmi)
190 cflags-$(CONFIG_CPU_LOONGSON64) += \           !! 189 ifdef CONFIG_CPU_LOONGSON64
191                         $(call cc-option,-marc !! 190 cflags-$(CONFIG_CPU_LOONGSON64) += -Wa,--trap
                                                   >> 191 cflags-$(CONFIG_CC_IS_GCC) += -march=loongson3a
                                                   >> 192 cflags-$(CONFIG_CC_IS_CLANG) += -march=mips64r2
                                                   >> 193 endif
192 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-o    194 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-mno-loongson-mmi)
193                                                   195 
194 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS)  += $(c    196 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS)  += $(call cc-option,-mfix-r4000,)
195 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS)  += $(c    197 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS)  += $(call cc-option,-mfix-r4400,)
196 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS)  += $(c    198 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS)  += $(call cc-option,-mno-daddi,)
197 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS           199 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
198 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-m    200 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-mfix-loongson2f-nop
199 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,-    201 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,-mfix-loongson2f-jump
200 endif                                             202 endif
201                                                   203 
202 #                                                 204 #
203 # Some versions of binutils, not currently mai    205 # Some versions of binutils, not currently mainline as of 2019/02/04, support
204 # an -mfix-loongson3-llsc flag which emits a s    206 # an -mfix-loongson3-llsc flag which emits a sync prior to each ll instruction
205 # to work around a CPU bug (see __SYNC_loongso    207 # to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h for a
206 # description).                                   208 # description).
207 #                                                 209 #
208 # We disable this in order to prevent the asse    210 # We disable this in order to prevent the assembler meddling with the
209 # instruction that labels refer to, ie. if we     211 # instruction that labels refer to, ie. if we label an ll instruction:
210 #                                                 212 #
211 # 1: ll v0, 0(a0)                                 213 # 1: ll v0, 0(a0)
212 #                                                 214 #
213 # ...then with the assembler fix applied the l    215 # ...then with the assembler fix applied the label may actually point at a sync
214 # instruction inserted by the assembler, and i    216 # instruction inserted by the assembler, and if we were using the label in an
215 # exception table the table would no longer co    217 # exception table the table would no longer contain the address of the ll
216 # instruction.                                    218 # instruction.
217 #                                                 219 #
218 # Avoid this by explicitly disabling that asse    220 # Avoid this by explicitly disabling that assembler behaviour. If upstream
219 # binutils does not merge support for the flag    221 # binutils does not merge support for the flag then we can revisit & remove
220 # this later - for now it ensures vendor toolc    222 # this later - for now it ensures vendor toolchains don't cause problems.
221 #                                                 223 #
222 cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-o    224 cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
223                                                   225 
224 # For smartmips configurations, there are hund    226 # For smartmips configurations, there are hundreds of warnings due to ISA overrides
225 # in assembly and header files. smartmips is o    227 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
226 # and there is no support for 64-bit. Various     228 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
227 # similar directives in the kernel will spam t    229 # similar directives in the kernel will spam the build logs with the following warnings:
228 # Warning: the `smartmips' extension requires     230 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
229 # or                                              231 # or
230 # Warning: the 64-bit MIPS architecture does n    232 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
231 # Pass -Wa,--no-warn to disable all assembler     233 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
232 # been fixed properly.                            234 # been fixed properly.
233 mips-cflags                             := $(c    235 mips-cflags                             := $(cflags-y)
234 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)              236 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
235 smartmips-ase                           := $(c    237 smartmips-ase                           := $(call cc-option-yn,$(mips-cflags) -msmartmips)
236 cflags-$(smartmips-ase)                 += -ms    238 cflags-$(smartmips-ase)                 += -msmartmips -Wa,--no-warn
237 endif                                             239 endif
238 ifeq ($(CONFIG_CPU_MICROMIPS),y)                  240 ifeq ($(CONFIG_CPU_MICROMIPS),y)
239 micromips-ase                           := $(c    241 micromips-ase                           := $(call cc-option-yn,$(mips-cflags) -mmicromips)
240 cflags-$(micromips-ase)                 += -mm    242 cflags-$(micromips-ase)                 += -mmicromips
241 endif                                             243 endif
242 ifeq ($(CONFIG_CPU_HAS_MSA),y)                    244 ifeq ($(CONFIG_CPU_HAS_MSA),y)
243 toolchain-msa                           := $(c    245 toolchain-msa                           := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
244 cflags-$(toolchain-msa)                 += -DT    246 cflags-$(toolchain-msa)                 += -DTOOLCHAIN_SUPPORTS_MSA
245 endif                                             247 endif
246 toolchain-virt                          := $(c    248 toolchain-virt                          := $(call cc-option-yn,$(mips-cflags) -mvirt)
247 cflags-$(toolchain-virt)                += -DT    249 cflags-$(toolchain-virt)                += -DTOOLCHAIN_SUPPORTS_VIRT
248 # For -mmicromips, use -Wa,-fatal-warnings to     250 # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which
249 # only warns                                      251 # only warns
250 xpa-cflags-y                            := $(m    252 xpa-cflags-y                            := $(mips-cflags)
251 xpa-cflags-$(micromips-ase)             += -mm    253 xpa-cflags-$(micromips-ase)             += -mmicromips -Wa$(comma)-fatal-warnings
252 toolchain-xpa                           := $(c    254 toolchain-xpa                           := $(call cc-option-yn,$(xpa-cflags-y) -mxpa)
253 cflags-$(toolchain-xpa)                 += -DT    255 cflags-$(toolchain-xpa)                 += -DTOOLCHAIN_SUPPORTS_XPA
254 toolchain-crc                           := $(c    256 toolchain-crc                           := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
255 cflags-$(toolchain-crc)                 += -DT    257 cflags-$(toolchain-crc)                 += -DTOOLCHAIN_SUPPORTS_CRC
256 toolchain-dsp                           := $(c    258 toolchain-dsp                           := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
257 cflags-$(toolchain-dsp)                 += -DT    259 cflags-$(toolchain-dsp)                 += -DTOOLCHAIN_SUPPORTS_DSP
258 toolchain-ginv                          := $(c    260 toolchain-ginv                          := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
259 cflags-$(toolchain-ginv)                += -DT    261 cflags-$(toolchain-ginv)                += -DTOOLCHAIN_SUPPORTS_GINV
260                                                   262 
261 #                                                 263 #
262 # Firmware support                                264 # Firmware support
263 #                                                 265 #
264 libs-$(CONFIG_FW_ARC)           += arch/mips/f    266 libs-$(CONFIG_FW_ARC)           += arch/mips/fw/arc/
265 libs-$(CONFIG_FW_CFE)           += arch/mips/f    267 libs-$(CONFIG_FW_CFE)           += arch/mips/fw/cfe/
266 libs-$(CONFIG_FW_SNIPROM)       += arch/mips/f    268 libs-$(CONFIG_FW_SNIPROM)       += arch/mips/fw/sni/
267 libs-y                          += arch/mips/f    269 libs-y                          += arch/mips/fw/lib/
268                                                   270 
269 #                                                 271 #
270 # Kernel compression                              272 # Kernel compression
271 #                                                 273 #
272 ifdef CONFIG_SYS_SUPPORTS_ZBOOT                   274 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
273 COMPRESSION_FNAME               = vmlinuz         275 COMPRESSION_FNAME               = vmlinuz
274 else                                              276 else
275 COMPRESSION_FNAME               = vmlinux         277 COMPRESSION_FNAME               = vmlinux
276 endif                                             278 endif
277                                                   279 
278 #                                                 280 #
279 # Board-dependent options and extra files         281 # Board-dependent options and extra files
280 #                                                 282 #
281 include $(srctree)/arch/mips/Kbuild.platforms     283 include $(srctree)/arch/mips/Kbuild.platforms
282                                                   284 
283 ifdef CONFIG_PHYSICAL_START                       285 ifdef CONFIG_PHYSICAL_START
284 load-y                                  = $(CO    286 load-y                                  = $(CONFIG_PHYSICAL_START)
285 endif                                             287 endif
286                                                   288 
287 entry-y                         = $(shell $(ob    289 entry-y                         = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
288 cflags-y                        += -I$(srctree    290 cflags-y                        += -I$(srctree)/arch/mips/include/asm/mach-generic
289 drivers-$(CONFIG_PCI)           += arch/mips/p    291 drivers-$(CONFIG_PCI)           += arch/mips/pci/
290                                                   292 
291 #                                                 293 #
292 # Automatically detect the build format. By de    294 # Automatically detect the build format. By default we choose
293 # the elf format according to the load address    295 # the elf format according to the load address.
294 # We can always force a build with a 64-bits s    296 # We can always force a build with a 64-bits symbol format by
295 # passing 'KBUILD_SYM32=no' option to the make    297 # passing 'KBUILD_SYM32=no' option to the make's command line.
296 #                                                 298 #
297 ifdef CONFIG_64BIT                                299 ifdef CONFIG_64BIT
298   ifndef KBUILD_SYM32                             300   ifndef KBUILD_SYM32
299     ifeq ($(shell expr $(load-y) \< 0xffffffff    301     ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
300       KBUILD_SYM32 = $(call cc-option-yn, -msy !! 302       KBUILD_SYM32 = y
301     endif                                         303     endif
302   endif                                           304   endif
303                                                   305 
304   ifeq ($(KBUILD_SYM32), y)                       306   ifeq ($(KBUILD_SYM32), y)
305     cflags-$(KBUILD_SYM32) += -msym32 -DKBUILD    307     cflags-$(KBUILD_SYM32) += -msym32 -DKBUILD_64BIT_SYM32
306   else                                            308   else
307     ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)     309     ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
308       $(error CONFIG_CPU_DADDI_WORKAROUNDS uns    310       $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
309     endif                                         311     endif
310   endif                                           312   endif
311 endif                                             313 endif
312                                                   314 
313 # When linking a 32-bit executable the LLVM li    315 # When linking a 32-bit executable the LLVM linker cannot cope with a
314 # 32-bit load address that has been sign-exten    316 # 32-bit load address that has been sign-extended to 64 bits.  Simply
315 # remove the upper 32 bits then, as it is safe    317 # remove the upper 32 bits then, as it is safe to do so with other
316 # linkers.                                        318 # linkers.
317 ifdef CONFIG_64BIT                                319 ifdef CONFIG_64BIT
318         load-ld                 = $(load-y)       320         load-ld                 = $(load-y)
319 else                                              321 else
320         load-ld                 = $(subst 0xff    322         load-ld                 = $(subst 0xffffffff,0x,$(load-y))
321 endif                                             323 endif
322                                                   324 
323 KBUILD_AFLAGS   += $(cflags-y)                    325 KBUILD_AFLAGS   += $(cflags-y)
324 KBUILD_CFLAGS   += $(cflags-y)                    326 KBUILD_CFLAGS   += $(cflags-y)
325 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(lo    327 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
326 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoff    328 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
327                                                   329 
328 bootvars-y      = VMLINUX_LOAD_ADDRESS=$(load-    330 bootvars-y      = VMLINUX_LOAD_ADDRESS=$(load-y) \
329                   LINKER_LOAD_ADDRESS=$(load-l    331                   LINKER_LOAD_ADDRESS=$(load-ld) \
330                   VMLINUX_ENTRY_ADDRESS=$(entr    332                   VMLINUX_ENTRY_ADDRESS=$(entry-y) \
331                   PLATFORM="$(platform-y)" \      333                   PLATFORM="$(platform-y)" \
332                   ITS_INPUTS="$(its-y)"           334                   ITS_INPUTS="$(its-y)"
333 ifdef CONFIG_32BIT                                335 ifdef CONFIG_32BIT
334 bootvars-y      += ADDR_BITS=32                   336 bootvars-y      += ADDR_BITS=32
335 endif                                             337 endif
336 ifdef CONFIG_64BIT                                338 ifdef CONFIG_64BIT
337 bootvars-y      += ADDR_BITS=64                   339 bootvars-y      += ADDR_BITS=64
338 endif                                             340 endif
339                                                   341 
340 # This is required to get dwarf unwinding tabl    342 # This is required to get dwarf unwinding tables into .debug_frame
341 # instead of .eh_frame so we don't discard the    343 # instead of .eh_frame so we don't discard them.
342 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl    344 KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
343                                                   345 
344 KBUILD_LDFLAGS          += -m $(ld-emul)          346 KBUILD_LDFLAGS          += -m $(ld-emul)
345                                                   347 
346 ifdef need-compiler                               348 ifdef need-compiler
347 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS)    349 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
348         grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL    350         grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
349         sed -e "s/^\#define /-D'/" -e "s/ /'='    351         sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
350 endif                                             352 endif
351                                                   353 
352 OBJCOPYFLAGS            += --remove-section=.r    354 OBJCOPYFLAGS            += --remove-section=.reginfo
353                                                   355 
354 libs-y                  += arch/mips/lib/         356 libs-y                  += arch/mips/lib/
355 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/ma    357 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
356                                                   358 
357 drivers-y                       += arch/mips/c    359 drivers-y                       += arch/mips/crypto/
358                                                   360 
359 # suspend and hibernation support                 361 # suspend and hibernation support
360 drivers-$(CONFIG_PM)    += arch/mips/power/       362 drivers-$(CONFIG_PM)    += arch/mips/power/
361                                                   363 
362 # boot image targets (arch/mips/boot/)            364 # boot image targets (arch/mips/boot/)
363 boot-y                  := vmlinux.bin            365 boot-y                  := vmlinux.bin
364 boot-y                  += vmlinux.ecoff          366 boot-y                  += vmlinux.ecoff
365 boot-y                  += vmlinux.srec           367 boot-y                  += vmlinux.srec
366 boot-y                  += uImage                 368 boot-y                  += uImage
367 boot-y                  += uImage.bin             369 boot-y                  += uImage.bin
368 boot-y                  += uImage.bz2             370 boot-y                  += uImage.bz2
369 boot-y                  += uImage.gz              371 boot-y                  += uImage.gz
370 boot-y                  += uImage.lzma            372 boot-y                  += uImage.lzma
371 boot-y                  += uImage.lzo             373 boot-y                  += uImage.lzo
372 boot-y                  += vmlinux.itb            374 boot-y                  += vmlinux.itb
373 boot-y                  += vmlinux.gz.itb         375 boot-y                  += vmlinux.gz.itb
374 boot-y                  += vmlinux.bz2.itb        376 boot-y                  += vmlinux.bz2.itb
375 boot-y                  += vmlinux.lzma.itb       377 boot-y                  += vmlinux.lzma.itb
376 boot-y                  += vmlinux.lzo.itb        378 boot-y                  += vmlinux.lzo.itb
377                                                   379 
378 # compressed boot image targets (arch/mips/boo    380 # compressed boot image targets (arch/mips/boot/compressed/)
379 bootz-y                 := vmlinuz                381 bootz-y                 := vmlinuz
380 bootz-y                 += vmlinuz.bin            382 bootz-y                 += vmlinuz.bin
381 bootz-y                 += vmlinuz.ecoff          383 bootz-y                 += vmlinuz.ecoff
382 bootz-y                 += vmlinuz.srec           384 bootz-y                 += vmlinuz.srec
383 bootz-y                 += uzImage.bin            385 bootz-y                 += uzImage.bin
384 bootz-y                 += vmlinuz.itb            386 bootz-y                 += vmlinuz.itb
385                                                   387 
386 #                                                 388 #
387 # Some machines like the Indy need 32-bit ELF     389 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
388 # Other need ECOFF, so we build a 32-bit ELF b    390 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
389 # convert to ECOFF using elf2ecoff.               391 # convert to ECOFF using elf2ecoff.
390 #                                                 392 #
391 quiet_cmd_32 = OBJCOPY $@                         393 quiet_cmd_32 = OBJCOPY $@
392         cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(    394         cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
393 vmlinux.32: vmlinux                               395 vmlinux.32: vmlinux
394         $(call cmd,32)                            396         $(call cmd,32)
395                                                   397 
396 #                                                 398 #
397 # The 64-bit ELF tools are pretty broken so at    399 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
398 # ELF files from 32-bit files by conversion.      400 # ELF files from 32-bit files by conversion.
399 #                                                 401 #
400 quiet_cmd_64 = OBJCOPY $@                         402 quiet_cmd_64 = OBJCOPY $@
401         cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(    403         cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
402 vmlinux.64: vmlinux                               404 vmlinux.64: vmlinux
403         $(call cmd,64)                            405         $(call cmd,64)
404                                                   406 
405 all:    $(all-y) $(KBUILD_DTBS)                   407 all:    $(all-y) $(KBUILD_DTBS)
406                                                   408 
407 # boot                                            409 # boot
408 $(boot-y): $(vmlinux-32) FORCE                    410 $(boot-y): $(vmlinux-32) FORCE
409         $(Q)$(MAKE) $(build)=arch/mips/boot VM    411         $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
410                 $(bootvars-y) arch/mips/boot/$    412                 $(bootvars-y) arch/mips/boot/$@
411                                                   413 
412 ifdef CONFIG_SYS_SUPPORTS_ZBOOT                   414 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
413 # boot/compressed                                 415 # boot/compressed
414 $(bootz-y): $(vmlinux-32) FORCE                   416 $(bootz-y): $(vmlinux-32) FORCE
415         $(Q)$(MAKE) $(build)=arch/mips/boot/co    417         $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
416                 $(bootvars-y) 32bit-bfd=$(32bi    418                 $(bootvars-y) 32bit-bfd=$(32bit-bfd) arch/mips/boot/$@
417 else                                              419 else
418 vmlinuz: FORCE                                    420 vmlinuz: FORCE
419         @echo '   CONFIG_SYS_SUPPORTS_ZBOOT is    421         @echo '   CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
420         /bin/false                                422         /bin/false
421 endif                                             423 endif
422                                                   424 
423                                                   425 
424 CLEAN_FILES += vmlinux.32 vmlinux.64              426 CLEAN_FILES += vmlinux.32 vmlinux.64
425                                                   427 
426 # device-trees                                    428 # device-trees
427 core-y += arch/mips/boot/dts/                     429 core-y += arch/mips/boot/dts/
428                                                   430 
429 archprepare:                                      431 archprepare:
430 ifdef CONFIG_MIPS32_N32                           432 ifdef CONFIG_MIPS32_N32
431         @$(kecho) '  Checking missing-syscalls    433         @$(kecho) '  Checking missing-syscalls for N32'
432         $(Q)$(MAKE) $(build)=. missing-syscall    434         $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
433 endif                                             435 endif
434 ifdef CONFIG_MIPS32_O32                           436 ifdef CONFIG_MIPS32_O32
435         @$(kecho) '  Checking missing-syscalls    437         @$(kecho) '  Checking missing-syscalls for O32'
436         $(Q)$(MAKE) $(build)=. missing-syscall    438         $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
437 endif                                             439 endif
438                                                   440 
439 install:                                          441 install:
440         $(Q)install -D -m 755 vmlinux $(INSTAL    442         $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
441 ifdef CONFIG_SYS_SUPPORTS_ZBOOT                   443 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
442         $(Q)install -D -m 755 vmlinuz $(INSTAL    444         $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
443 endif                                             445 endif
444         $(Q)install -D -m 644 .config $(INSTAL    446         $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
445         $(Q)install -D -m 644 System.map $(INS    447         $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
446                                                   448 
447 archheaders:                                      449 archheaders:
448         $(Q)$(MAKE) $(build)=arch/mips/kernel/    450         $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
449                                                   451 
450 define archhelp                                   452 define archhelp
451         echo '  install              - install    453         echo '  install              - install kernel into $(INSTALL_PATH)'
452         echo '  vmlinux.ecoff        - ECOFF b    454         echo '  vmlinux.ecoff        - ECOFF boot image'
453         echo '  vmlinux.bin          - Raw bin    455         echo '  vmlinux.bin          - Raw binary boot image'
454         echo '  vmlinux.srec         - SREC bo    456         echo '  vmlinux.srec         - SREC boot image'
455         echo '  vmlinux.32           - 64-bit     457         echo '  vmlinux.32           - 64-bit boot image wrapped in 32bits (IP22/IP32)'
456         echo '  vmlinuz              - Compres    458         echo '  vmlinuz              - Compressed boot(zboot) image'
457         echo '  vmlinuz.ecoff        - ECOFF z    459         echo '  vmlinuz.ecoff        - ECOFF zboot image'
458         echo '  vmlinuz.bin          - Raw bin    460         echo '  vmlinuz.bin          - Raw binary zboot image'
459         echo '  vmlinuz.srec         - SREC zb    461         echo '  vmlinuz.srec         - SREC zboot image'
460         echo '  uImage               - U-Boot     462         echo '  uImage               - U-Boot image'
461         echo '  uImage.bin           - U-Boot     463         echo '  uImage.bin           - U-Boot image (uncompressed)'
462         echo '  uImage.bz2           - U-Boot     464         echo '  uImage.bz2           - U-Boot image (bz2)'
463         echo '  uImage.gz            - U-Boot     465         echo '  uImage.gz            - U-Boot image (gzip)'
464         echo '  uImage.lzma          - U-Boot     466         echo '  uImage.lzma          - U-Boot image (lzma)'
465         echo '  uImage.lzo           - U-Boot     467         echo '  uImage.lzo           - U-Boot image (lzo)'
466         echo '  uzImage.bin          - U-Boot     468         echo '  uzImage.bin          - U-Boot image (self-extracting)'
467         echo                                      469         echo
468         echo '  These will be default as appro    470         echo '  These will be default as appropriate for a configured platform.'
469         echo                                      471         echo
470         echo '  If you are targeting a system     472         echo '  If you are targeting a system supported by generic kernels you may'
471         echo '  configure the kernel for a giv    473         echo '  configure the kernel for a given architecture target like so:'
472         echo                                      474         echo
473         echo '  {micro32,32,64}{r1,r2,r6}{el,}    475         echo '  {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
474         echo                                      476         echo
475         echo '  Where BOARDS is some subset of    477         echo '  Where BOARDS is some subset of the following:'
476         for board in $(sort $(BOARDS)); do ech    478         for board in $(sort $(BOARDS)); do echo "    $${board}"; done
477         echo                                      479         echo
478         echo '  Specifically the following gen    480         echo '  Specifically the following generic default configurations are'
479         echo '  supported:'                       481         echo '  supported:'
480         echo                                      482         echo
481         $(foreach cfg,$(generic_defconfigs),      483         $(foreach cfg,$(generic_defconfigs),
482           printf "  %-24s - Build generic kern    484           printf "  %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);)
483         echo                                      485         echo
484         echo '  The following legacy default c    486         echo '  The following legacy default configurations have been converted to'
485         echo '  generic and can still be used:    487         echo '  generic and can still be used:'
486         echo                                      488         echo
487         $(foreach cfg,$(sort $(legacy_defconfi    489         $(foreach cfg,$(sort $(legacy_defconfigs)),
488           printf "  %-24s - Build $($(cfg)-y)\    490           printf "  %-24s - Build $($(cfg)-y)\n" $(cfg);)
489         echo                                      491         echo
490         echo '  Otherwise, the following defau    492         echo '  Otherwise, the following default configurations are available:'
491 endef                                             493 endef
492                                                   494 
493 generic_config_dir = $(srctree)/arch/$(ARCH)/c    495 generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
494 generic_defconfigs :=                             496 generic_defconfigs :=
495                                                   497 
496 #                                                 498 #
497 # If the user generates a generic kernel confi    499 # If the user generates a generic kernel configuration without specifying a
498 # list of boards to include the config fragmen    500 # list of boards to include the config fragments for, default to including all
499 # available board config fragments.               501 # available board config fragments.
500 #                                                 502 #
501 ifeq ($(BOARDS),)                                 503 ifeq ($(BOARDS),)
502 BOARDS = $(patsubst board-%.config,%,$(notdir     504 BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
503 endif                                             505 endif
504                                                   506 
505 #                                                 507 #
506 # Generic kernel configurations which merge ge    508 # Generic kernel configurations which merge generic_defconfig with the
507 # appropriate config fragments from arch/mips/    509 # appropriate config fragments from arch/mips/configs/generic/, resulting in
508 # the ability to easily configure the kernel f    510 # the ability to easily configure the kernel for a given architecture,
509 # endianness & set of boards without duplicati    511 # endianness & set of boards without duplicating the needed configuration in
510 # hundreds of defconfig files.                    512 # hundreds of defconfig files.
511 #                                                 513 #
512 define gen_generic_defconfigs                     514 define gen_generic_defconfigs
513 $(foreach bits,$(1),$(foreach rev,$(2),$(forea    515 $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
514 target := $(bits)$(rev)$(filter el,$(endian))_    516 target := $(bits)$(rev)$(filter el,$(endian))_defconfig
515 generic_defconfigs += $$(target)                  517 generic_defconfigs += $$(target)
516 $$(target): $(generic_config_dir)/$(bits)$(rev    518 $$(target): $(generic_config_dir)/$(bits)$(rev).config
517 $$(target): $(generic_config_dir)/$(endian).co    519 $$(target): $(generic_config_dir)/$(endian).config
518 )))                                               520 )))
519 endef                                             521 endef
520                                                   522 
521 $(eval $(call gen_generic_defconfigs,32 64,r1     523 $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
522 $(eval $(call gen_generic_defconfigs,micro32,r    524 $(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
523                                                   525 
524 define describe_generic_defconfig                 526 define describe_generic_defconfig
525 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(su    527 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1)))))
526 endef                                             528 endef
527                                                   529 
528 .PHONY: $(generic_defconfigs)                     530 .PHONY: $(generic_defconfigs)
529 $(generic_defconfigs):                            531 $(generic_defconfigs):
530         $(Q)$(CONFIG_SHELL) $(srctree)/scripts    532         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
531                 -m -O $(objtree) $(srctree)/ar    533                 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
532                 grep -Ev '^#'                     534                 grep -Ev '^#'
533         $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.c    535         $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
534         $(Q)$(MAKE) -f $(srctree)/Makefile old    536         $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
535                 KCONFIG_CONFIG=$(objtree)/.con    537                 KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
536         $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(    538         $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
537                 $(srctree) $(objtree) $(objtre    539                 $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
538                 "$(origin BOARDS)" $(BOARDS)      540                 "$(origin BOARDS)" $(BOARDS)
539         $(Q)$(MAKE) -f $(srctree)/Makefile old    541         $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
540                                                   542 
541 #                                                 543 #
542 # Prevent generic merge_config rules attemptin    544 # Prevent generic merge_config rules attempting to merge single fragments
543 #                                                 545 #
544 $(generic_config_dir)/%.config: ;                 546 $(generic_config_dir)/%.config: ;
545                                                   547 
546 #                                                 548 #
547 # Prevent direct use of generic_defconfig, whi    549 # Prevent direct use of generic_defconfig, which is intended to be used as the
548 # basis of the various ISA-specific targets ge    550 # basis of the various ISA-specific targets generated above.
549 #                                                 551 #
550 .PHONY: generic_defconfig                         552 .PHONY: generic_defconfig
551 generic_defconfig:                                553 generic_defconfig:
552         $(Q)echo "generic_defconfig is not int    554         $(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
553         $(Q)echo "used via an ISA-specific tar    555         $(Q)echo "used via an ISA-specific target from the following list:"
554         $(Q)echo                                  556         $(Q)echo
555         $(Q)for cfg in $(generic_defconfigs);     557         $(Q)for cfg in $(generic_defconfigs); do echo "  $${cfg}"; done
556         $(Q)echo                                  558         $(Q)echo
557         $(Q)false                                 559         $(Q)false
558                                                   560 
559 #                                                 561 #
560 # Legacy defconfig compatibility - these targe    562 # Legacy defconfig compatibility - these targets used to be real defconfigs but
561 # now that the boards have been converted to u    563 # now that the boards have been converted to use the generic kernel they are
562 # wrappers around the generic rules above.        564 # wrappers around the generic rules above.
563 #                                                 565 #
564 legacy_defconfigs               += ocelot_defc    566 legacy_defconfigs               += ocelot_defconfig
565 ocelot_defconfig-y              := 32r2el_defc    567 ocelot_defconfig-y              := 32r2el_defconfig BOARDS=ocelot
566                                                   568 
567 legacy_defconfigs               += sead3_defco    569 legacy_defconfigs               += sead3_defconfig
568 sead3_defconfig-y               := 32r2el_defc    570 sead3_defconfig-y               := 32r2el_defconfig BOARDS=sead-3
569                                                   571 
570 legacy_defconfigs               += sead3micro_    572 legacy_defconfigs               += sead3micro_defconfig
571 sead3micro_defconfig-y          := micro32r2el    573 sead3micro_defconfig-y          := micro32r2el_defconfig BOARDS=sead-3
572                                                   574 
573 legacy_defconfigs               += xilfpga_def    575 legacy_defconfigs               += xilfpga_defconfig
574 xilfpga_defconfig-y             := 32r2el_defc    576 xilfpga_defconfig-y             := 32r2el_defconfig BOARDS=xilfpga
575                                                   577 
576 legacy_defconfigs               += pistachio_d    578 legacy_defconfigs               += pistachio_defconfig
577 pistachio_defconfig-y           := 32r2el_defc    579 pistachio_defconfig-y           := 32r2el_defconfig BOARDS=marduk
578                                                   580 
579 .PHONY: $(legacy_defconfigs)                      581 .PHONY: $(legacy_defconfigs)
580 $(legacy_defconfigs):                             582 $(legacy_defconfigs):
581         $(Q)$(MAKE) -f $(srctree)/Makefile $($    583         $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)
                                                      

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