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. Remember to do have actions >> 12 # for "archclean" cleaning up for this architecture. 12 # 13 # 13 14 14 archscripts: scripts_basic 15 archscripts: scripts_basic 15 $(Q)$(MAKE) $(build)=arch/mips/tools e 16 $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry 16 ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y) << 17 $(Q)$(MAKE) $(build)=arch/mips/tools l << 18 endif << 19 $(Q)$(MAKE) $(build)=arch/mips/boot/to 17 $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs 20 18 21 KBUILD_DEFCONFIG := 32r2el_defconfig 19 KBUILD_DEFCONFIG := 32r2el_defconfig 22 KBUILD_DTBS := dtbs 20 KBUILD_DTBS := dtbs 23 21 24 # 22 # 25 # Select the object file format to substitute 23 # Select the object file format to substitute into the linker script. 26 # 24 # 27 ifdef CONFIG_CPU_LITTLE_ENDIAN 25 ifdef CONFIG_CPU_LITTLE_ENDIAN 28 32bit-tool-archpref = mipsel 26 32bit-tool-archpref = mipsel 29 64bit-tool-archpref = mips64el 27 64bit-tool-archpref = mips64el 30 32bit-bfd = elf32-tradlittlemips 28 32bit-bfd = elf32-tradlittlemips 31 64bit-bfd = elf64-tradlittlemips 29 64bit-bfd = elf64-tradlittlemips 32 32bit-emul = elf32ltsmip 30 32bit-emul = elf32ltsmip 33 64bit-emul = elf64ltsmip 31 64bit-emul = elf64ltsmip 34 else 32 else 35 32bit-tool-archpref = mips 33 32bit-tool-archpref = mips 36 64bit-tool-archpref = mips64 34 64bit-tool-archpref = mips64 37 32bit-bfd = elf32-tradbigmips 35 32bit-bfd = elf32-tradbigmips 38 64bit-bfd = elf64-tradbigmips 36 64bit-bfd = elf64-tradbigmips 39 32bit-emul = elf32btsmip 37 32bit-emul = elf32btsmip 40 64bit-emul = elf64btsmip 38 64bit-emul = elf64btsmip 41 endif 39 endif 42 40 43 ifdef CONFIG_32BIT 41 ifdef CONFIG_32BIT 44 tool-archpref = $(32bit-tool-archpre 42 tool-archpref = $(32bit-tool-archpref) 45 UTS_MACHINE := mips 43 UTS_MACHINE := mips 46 endif 44 endif 47 ifdef CONFIG_64BIT 45 ifdef CONFIG_64BIT 48 tool-archpref = $(64bit-tool-archpre 46 tool-archpref = $(64bit-tool-archpref) 49 UTS_MACHINE := mips64 47 UTS_MACHINE := mips64 50 endif 48 endif 51 49 52 ifdef cross_compiling !! 50 ifneq ($(SUBARCH),$(ARCH)) 53 ifeq ($(CROSS_COMPILE),) 51 ifeq ($(CROSS_COMPILE),) 54 CROSS_COMPILE := $(call cc-cross-prefix, $ 52 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) 55 endif 53 endif 56 endif 54 endif 57 55 58 ifdef CONFIG_FUNCTION_GRAPH_TRACER 56 ifdef CONFIG_FUNCTION_GRAPH_TRACER 59 ifndef KBUILD_MCOUNT_RA_ADDRESS 57 ifndef KBUILD_MCOUNT_RA_ADDRESS 60 ifeq ($(call cc-option-yn,-mmcount-ra-addr 58 ifeq ($(call cc-option-yn,-mmcount-ra-address), y) 61 cflags-y += -mmcount-ra-address -DKBUILD 59 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS 62 endif 60 endif 63 endif 61 endif 64 endif 62 endif 65 cflags-y += $(call cc-option, -mno-check-zero- 63 cflags-y += $(call cc-option, -mno-check-zero-division) 66 64 67 ifdef CONFIG_32BIT 65 ifdef CONFIG_32BIT 68 ld-emul = $(32bit-emul) 66 ld-emul = $(32bit-emul) 69 vmlinux-32 = vmlinux 67 vmlinux-32 = vmlinux 70 vmlinux-64 = vmlinux.64 68 vmlinux-64 = vmlinux.64 71 69 72 cflags-y += -mabi=32 70 cflags-y += -mabi=32 73 endif 71 endif 74 72 75 ifdef CONFIG_64BIT 73 ifdef CONFIG_64BIT 76 ld-emul = $(64bit-emul) 74 ld-emul = $(64bit-emul) 77 vmlinux-32 = vmlinux.32 75 vmlinux-32 = vmlinux.32 78 vmlinux-64 = vmlinux 76 vmlinux-64 = vmlinux 79 77 80 cflags-y += -mabi=64 78 cflags-y += -mabi=64 81 endif 79 endif 82 80 83 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-3 81 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) 84 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-6 82 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) 85 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz 83 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz 86 84 87 # 85 # 88 # GCC uses -G 0 -mabicalls -fpic as default. 86 # 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 87 # code since it only slows down the whole thing. At some point we might make 90 # use of global pointer optimizations but thei 88 # use of global pointer optimizations but their use of $28 conflicts with 91 # the current pointer optimization. 89 # the current pointer optimization. 92 # 90 # 93 # The DECStation requires an ECOFF kernel for 91 # The DECStation requires an ECOFF kernel for remote booting, other MIPS 94 # machines may also. Since BFD is incredibly 92 # machines may also. Since BFD is incredibly buggy with respect to 95 # crossformat linking we rely on the elf2ecoff 93 # crossformat linking we rely on the elf2ecoff tool for format conversion. 96 # 94 # 97 cflags-y += -G 0 -mno-a 95 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe 98 cflags-y += -msoft-floa !! 96 cflags-y += -msoft-float 99 LDFLAGS_vmlinux += -G 0 -stati 97 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib 100 KBUILD_AFLAGS_MODULE += -mlong-call 98 KBUILD_AFLAGS_MODULE += -mlong-calls 101 KBUILD_CFLAGS_MODULE += -mlong-call 99 KBUILD_CFLAGS_MODULE += -mlong-calls 102 100 103 ifeq ($(CONFIG_RELOCATABLE),y) 101 ifeq ($(CONFIG_RELOCATABLE),y) 104 LDFLAGS_vmlinux += --emit-relo 102 LDFLAGS_vmlinux += --emit-relocs 105 endif 103 endif 106 104 >> 105 # >> 106 # pass -msoft-float to GAS if it supports it. However on newer binutils >> 107 # (specifically newer than 2.24.51.20140728) we then also need to explicitly >> 108 # set ".set hardfloat" in all files which manipulate floating point registers. >> 109 # >> 110 ifneq ($(call as-option,-Wa$(comma)-msoft-float,),) >> 111 cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float >> 112 endif >> 113 107 cflags-y += -ffreestanding 114 cflags-y += -ffreestanding 108 115 >> 116 # >> 117 # We explicitly add the endianness specifier if needed, this allows >> 118 # to compile kernels with a toolchain for the other endianness. We >> 119 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains >> 120 # when fed the toolchain default! >> 121 # >> 122 # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of >> 123 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL >> 124 # are used, so we kludge that here. A bug has been filed at >> 125 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413. >> 126 # >> 127 # clang doesn't suffer from these issues and our checks against -dumpmachine >> 128 # don't work so well when cross compiling, since without providing --target >> 129 # clang's output will be based upon the build machine. So for clang we simply >> 130 # unconditionally specify -EB or -EL as appropriate. >> 131 # >> 132 ifdef CONFIG_CC_IS_CLANG 109 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB 133 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB 110 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL 134 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL >> 135 else >> 136 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__ >> 137 undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__ >> 138 predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__ >> 139 predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ >> 140 cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) >> 141 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) >> 142 endif 111 143 112 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-o 144 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ 113 -fno-omit-f 145 -fno-omit-frame-pointer 114 146 115 # Some distribution-specific toolchains might 147 # Some distribution-specific toolchains might pass the -fstack-check 116 # option during the build, which adds a simple 148 # option during the build, which adds a simple stack-probe at the beginning 117 # of every function. This stack probe is to e 149 # of every function. This stack probe is to ensure that there is enough 118 # stack space, else a SEGV is generated. This 150 # stack space, else a SEGV is generated. This is not desirable for MIPS 119 # as kernel stacks are small, placed in unmapp 151 # as kernel stacks are small, placed in unmapped virtual memory, and do not 120 # grow when overflowed. Especially on SGI IP2 152 # grow when overflowed. Especially on SGI IP27 platforms, this check will 121 # lead to a NULL pointer dereference in _raw_s 153 # lead to a NULL pointer dereference in _raw_spin_lock_irq. 122 # 154 # 123 # In disassembly, this stack probe appears at 155 # In disassembly, this stack probe appears at the top of a function as: 124 # sd zero,<offset>(sp) 156 # sd zero,<offset>(sp) 125 # Where <offset> is a negative value. 157 # Where <offset> is a negative value. 126 # 158 # 127 cflags-y += -fno-stack-check 159 cflags-y += -fno-stack-check 128 160 129 # binutils from v2.35 when built with --enable << 130 # supports an -mfix-loongson3-llsc flag which << 131 # instruction to work around a CPU bug (see __ << 132 # for a description). << 133 # << 134 # We disable this in order to prevent the asse << 135 # instruction that labels refer to, ie. if we << 136 # << 137 # 1: ll v0, 0(a0) << 138 # << 139 # ...then with the assembler fix applied the l << 140 # instruction inserted by the assembler, and i << 141 # exception table the table would no longer co << 142 # instruction. << 143 # << 144 # Avoid this by explicitly disabling that asse << 145 # << 146 cflags-y += $(call cc-option,-Wa$(comma)-mno-f << 147 << 148 # 161 # 149 # CPU-dependent compiler/assembler options for 162 # CPU-dependent compiler/assembler options for optimization. 150 # 163 # 151 cflags-$(CONFIG_CPU_R3000) += $(call cc-o !! 164 cflags-$(CONFIG_CPU_R3000) += -march=r3000 152 cflags-$(CONFIG_CPU_R4300) += $(call cc-o !! 165 cflags-$(CONFIG_CPU_TX39XX) += -march=r3900 153 cflags-$(CONFIG_CPU_R4X00) += $(call cc-o !! 166 cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap 154 cflags-$(CONFIG_CPU_TX49XX) += $(call cc-o !! 167 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap >> 168 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap 155 cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips 169 cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap 156 cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips 170 cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap 157 cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips << 158 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips 171 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg 159 cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips 172 cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap 160 cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips 173 cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap 161 cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips << 162 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips 174 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap 163 cflags-$(CONFIG_CPU_P5600) += $(call cc-o !! 175 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap 164 -Wa,--trap -modd-spreg !! 176 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ 165 cflags-$(CONFIG_CPU_R5000) += $(call cc-o << 166 -Wa,--trap 177 -Wa,--trap 167 cflags-$(CONFIG_CPU_R5500) += $(call cc-o !! 178 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ 168 -Wa,--trap 179 -Wa,--trap 169 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-o !! 180 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ 170 -Wa,--trap 181 -Wa,--trap 171 cflags-$(CONFIG_CPU_RM7000) += $(call cc-o !! 182 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ 172 -Wa,--trap << 173 cflags-$(CONFIG_CPU_SB1) += $(call cc-o << 174 -Wa,--trap 183 -Wa,--trap 175 cflags-$(CONFIG_CPU_SB1) += $(call cc-o 184 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) 176 cflags-$(CONFIG_CPU_SB1) += $(call cc-o 185 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) 177 cflags-$(CONFIG_CPU_R10000) += $(call cc-o !! 186 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ 178 -Wa,--trap 187 -Wa,--trap 179 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -march=o !! 188 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap >> 189 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) >> 190 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon >> 191 endif 180 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix- 192 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 181 cflags-$(CONFIG_CPU_BMIPS) += -march=mips !! 193 cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap 182 << 183 cflags-$(CONFIG_CPU_LOONGSON2E) += \ << 184 $(call cc-option,-marc << 185 cflags-$(CONFIG_CPU_LOONGSON2F) += \ << 186 $(call cc-option,-marc << 187 # Some -march= flags enable MMI instructions, << 188 # support being enabled alongside -msoft-float << 189 cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc- << 190 cflags-$(CONFIG_CPU_LOONGSON64) += \ << 191 $(call cc-option,-marc << 192 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-o << 193 194 194 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(c 195 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) 195 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(c 196 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) 196 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(c 197 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) 197 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS << 198 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-m << 199 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,- << 200 endif << 201 << 202 # << 203 # Some versions of binutils, not currently mai << 204 # an -mfix-loongson3-llsc flag which emits a s << 205 # to work around a CPU bug (see __SYNC_loongso << 206 # description). << 207 # << 208 # We disable this in order to prevent the asse << 209 # instruction that labels refer to, ie. if we << 210 # << 211 # 1: ll v0, 0(a0) << 212 # << 213 # ...then with the assembler fix applied the l << 214 # instruction inserted by the assembler, and i << 215 # exception table the table would no longer co << 216 # instruction. << 217 # << 218 # Avoid this by explicitly disabling that asse << 219 # binutils does not merge support for the flag << 220 # this later - for now it ensures vendor toolc << 221 # << 222 cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-o << 223 198 224 # For smartmips configurations, there are hund 199 # For smartmips configurations, there are hundreds of warnings due to ISA overrides 225 # in assembly and header files. smartmips is o 200 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards 226 # and there is no support for 64-bit. Various 201 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or 227 # similar directives in the kernel will spam t 202 # similar directives in the kernel will spam the build logs with the following warnings: 228 # Warning: the `smartmips' extension requires 203 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater 229 # or 204 # or 230 # Warning: the 64-bit MIPS architecture does n 205 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension 231 # Pass -Wa,--no-warn to disable all assembler 206 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has 232 # been fixed properly. 207 # been fixed properly. 233 mips-cflags := $(c 208 mips-cflags := $(cflags-y) 234 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) 209 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) 235 smartmips-ase := $(c 210 smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips) 236 cflags-$(smartmips-ase) += -ms 211 cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn 237 endif 212 endif 238 ifeq ($(CONFIG_CPU_MICROMIPS),y) 213 ifeq ($(CONFIG_CPU_MICROMIPS),y) 239 micromips-ase := $(c 214 micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips) 240 cflags-$(micromips-ase) += -mm 215 cflags-$(micromips-ase) += -mmicromips 241 endif 216 endif 242 ifeq ($(CONFIG_CPU_HAS_MSA),y) 217 ifeq ($(CONFIG_CPU_HAS_MSA),y) 243 toolchain-msa := $(c 218 toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa) 244 cflags-$(toolchain-msa) += -DT 219 cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA 245 endif 220 endif 246 toolchain-virt := $(c 221 toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) 247 cflags-$(toolchain-virt) += -DT 222 cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT 248 # For -mmicromips, use -Wa,-fatal-warnings to 223 # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which 249 # only warns 224 # only warns 250 xpa-cflags-y := $(m 225 xpa-cflags-y := $(mips-cflags) 251 xpa-cflags-$(micromips-ase) += -mm 226 xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings 252 toolchain-xpa := $(c 227 toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa) 253 cflags-$(toolchain-xpa) += -DT 228 cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA 254 toolchain-crc := $(c 229 toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc) 255 cflags-$(toolchain-crc) += -DT 230 cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC 256 toolchain-dsp := $(c 231 toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp) 257 cflags-$(toolchain-dsp) += -DT 232 cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP 258 toolchain-ginv := $(c 233 toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv) 259 cflags-$(toolchain-ginv) += -DT 234 cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV 260 235 261 # 236 # 262 # Firmware support 237 # Firmware support 263 # 238 # 264 libs-$(CONFIG_FW_ARC) += arch/mips/f 239 libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/ 265 libs-$(CONFIG_FW_CFE) += arch/mips/f 240 libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/ 266 libs-$(CONFIG_FW_SNIPROM) += arch/mips/f 241 libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/ 267 libs-y += arch/mips/f 242 libs-y += arch/mips/fw/lib/ 268 243 269 # 244 # 270 # Kernel compression 245 # Kernel compression 271 # 246 # 272 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 247 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 273 COMPRESSION_FNAME = vmlinuz 248 COMPRESSION_FNAME = vmlinuz 274 else 249 else 275 COMPRESSION_FNAME = vmlinux 250 COMPRESSION_FNAME = vmlinux 276 endif 251 endif 277 252 278 # 253 # 279 # Board-dependent options and extra files 254 # Board-dependent options and extra files 280 # 255 # 281 include $(srctree)/arch/mips/Kbuild.platforms !! 256 include arch/mips/Kbuild.platforms 282 257 283 ifdef CONFIG_PHYSICAL_START 258 ifdef CONFIG_PHYSICAL_START 284 load-y = $(CO 259 load-y = $(CONFIG_PHYSICAL_START) 285 endif 260 endif 286 261 287 entry-y = $(shell $(ob 262 entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux) 288 cflags-y += -I$(srctree 263 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic 289 drivers-$(CONFIG_PCI) += arch/mips/p 264 drivers-$(CONFIG_PCI) += arch/mips/pci/ 290 265 291 # 266 # 292 # Automatically detect the build format. By de 267 # Automatically detect the build format. By default we choose 293 # the elf format according to the load address 268 # the elf format according to the load address. 294 # We can always force a build with a 64-bits s 269 # We can always force a build with a 64-bits symbol format by 295 # passing 'KBUILD_SYM32=no' option to the make 270 # passing 'KBUILD_SYM32=no' option to the make's command line. 296 # 271 # 297 ifdef CONFIG_64BIT 272 ifdef CONFIG_64BIT 298 ifndef KBUILD_SYM32 273 ifndef KBUILD_SYM32 299 ifeq ($(shell expr $(load-y) \< 0xffffffff 274 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) 300 KBUILD_SYM32 = $(call cc-option-yn, -msy !! 275 KBUILD_SYM32 = y 301 endif 276 endif 302 endif 277 endif 303 278 304 ifeq ($(KBUILD_SYM32), y) !! 279 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy) 305 cflags-$(KBUILD_SYM32) += -msym32 -DKBUILD !! 280 cflags-y += -msym32 -DKBUILD_64BIT_SYM32 306 else 281 else 307 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) 282 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) 308 $(error CONFIG_CPU_DADDI_WORKAROUNDS uns 283 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) 309 endif 284 endif 310 endif 285 endif 311 endif 286 endif 312 287 313 # When linking a 32-bit executable the LLVM li 288 # When linking a 32-bit executable the LLVM linker cannot cope with a 314 # 32-bit load address that has been sign-exten 289 # 32-bit load address that has been sign-extended to 64 bits. Simply 315 # remove the upper 32 bits then, as it is safe 290 # remove the upper 32 bits then, as it is safe to do so with other 316 # linkers. 291 # linkers. 317 ifdef CONFIG_64BIT 292 ifdef CONFIG_64BIT 318 load-ld = $(load-y) 293 load-ld = $(load-y) 319 else 294 else 320 load-ld = $(subst 0xff 295 load-ld = $(subst 0xffffffff,0x,$(load-y)) 321 endif 296 endif 322 297 323 KBUILD_AFLAGS += $(cflags-y) 298 KBUILD_AFLAGS += $(cflags-y) 324 KBUILD_CFLAGS += $(cflags-y) 299 KBUILD_CFLAGS += $(cflags-y) 325 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(lo 300 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld) 326 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoff 301 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) 327 302 328 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load- 303 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ 329 LINKER_LOAD_ADDRESS=$(load-l 304 LINKER_LOAD_ADDRESS=$(load-ld) \ 330 VMLINUX_ENTRY_ADDRESS=$(entr 305 VMLINUX_ENTRY_ADDRESS=$(entry-y) \ 331 PLATFORM="$(platform-y)" \ 306 PLATFORM="$(platform-y)" \ 332 ITS_INPUTS="$(its-y)" 307 ITS_INPUTS="$(its-y)" 333 ifdef CONFIG_32BIT 308 ifdef CONFIG_32BIT 334 bootvars-y += ADDR_BITS=32 309 bootvars-y += ADDR_BITS=32 335 endif 310 endif 336 ifdef CONFIG_64BIT 311 ifdef CONFIG_64BIT 337 bootvars-y += ADDR_BITS=64 312 bootvars-y += ADDR_BITS=64 338 endif 313 endif 339 314 340 # This is required to get dwarf unwinding tabl 315 # This is required to get dwarf unwinding tables into .debug_frame 341 # instead of .eh_frame so we don't discard the 316 # instead of .eh_frame so we don't discard them. 342 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl 317 KBUILD_CFLAGS += -fno-asynchronous-unwind-tables 343 318 344 KBUILD_LDFLAGS += -m $(ld-emul) 319 KBUILD_LDFLAGS += -m $(ld-emul) 345 320 346 ifdef need-compiler !! 321 ifdef CONFIG_MIPS 347 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) !! 322 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ 348 grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL !! 323 egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \ 349 sed -e "s/^\#define /-D'/" -e "s/ /'=' 324 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') 350 endif 325 endif 351 326 352 OBJCOPYFLAGS += --remove-section=.r 327 OBJCOPYFLAGS += --remove-section=.reginfo 353 328 >> 329 head-y := arch/mips/kernel/head.o >> 330 354 libs-y += arch/mips/lib/ 331 libs-y += arch/mips/lib/ 355 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/ma 332 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/ 356 333 357 drivers-y += arch/mips/c !! 334 # See arch/mips/Kbuild for content of core part of the kernel >> 335 core-y += arch/mips/ >> 336 >> 337 drivers-$(CONFIG_MIPS_CRC_SUPPORT) += arch/mips/crypto/ >> 338 drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ 358 339 359 # suspend and hibernation support 340 # suspend and hibernation support 360 drivers-$(CONFIG_PM) += arch/mips/power/ 341 drivers-$(CONFIG_PM) += arch/mips/power/ 361 342 362 # boot image targets (arch/mips/boot/) 343 # boot image targets (arch/mips/boot/) 363 boot-y := vmlinux.bin 344 boot-y := vmlinux.bin 364 boot-y += vmlinux.ecoff 345 boot-y += vmlinux.ecoff 365 boot-y += vmlinux.srec 346 boot-y += vmlinux.srec >> 347 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0) 366 boot-y += uImage 348 boot-y += uImage 367 boot-y += uImage.bin 349 boot-y += uImage.bin 368 boot-y += uImage.bz2 350 boot-y += uImage.bz2 369 boot-y += uImage.gz 351 boot-y += uImage.gz 370 boot-y += uImage.lzma 352 boot-y += uImage.lzma 371 boot-y += uImage.lzo 353 boot-y += uImage.lzo >> 354 endif 372 boot-y += vmlinux.itb 355 boot-y += vmlinux.itb 373 boot-y += vmlinux.gz.itb 356 boot-y += vmlinux.gz.itb 374 boot-y += vmlinux.bz2.itb 357 boot-y += vmlinux.bz2.itb 375 boot-y += vmlinux.lzma.itb 358 boot-y += vmlinux.lzma.itb 376 boot-y += vmlinux.lzo.itb 359 boot-y += vmlinux.lzo.itb 377 360 378 # compressed boot image targets (arch/mips/boo 361 # compressed boot image targets (arch/mips/boot/compressed/) 379 bootz-y := vmlinuz 362 bootz-y := vmlinuz 380 bootz-y += vmlinuz.bin 363 bootz-y += vmlinuz.bin 381 bootz-y += vmlinuz.ecoff 364 bootz-y += vmlinuz.ecoff 382 bootz-y += vmlinuz.srec 365 bootz-y += vmlinuz.srec >> 366 ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) 383 bootz-y += uzImage.bin 367 bootz-y += uzImage.bin 384 bootz-y += vmlinuz.itb !! 368 endif >> 369 >> 370 ifdef CONFIG_LASAT >> 371 rom.bin rom.sw: vmlinux >> 372 $(Q)$(MAKE) $(build)=arch/mips/lasat/image \ >> 373 $(bootvars-y) $@ >> 374 endif 385 375 386 # 376 # 387 # Some machines like the Indy need 32-bit ELF 377 # 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 378 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then 389 # convert to ECOFF using elf2ecoff. 379 # convert to ECOFF using elf2ecoff. 390 # 380 # 391 quiet_cmd_32 = OBJCOPY $@ 381 quiet_cmd_32 = OBJCOPY $@ 392 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $( 382 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ 393 vmlinux.32: vmlinux 383 vmlinux.32: vmlinux 394 $(call cmd,32) 384 $(call cmd,32) 395 385 396 # 386 # 397 # The 64-bit ELF tools are pretty broken so at 387 # 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. 388 # ELF files from 32-bit files by conversion. 399 # 389 # 400 quiet_cmd_64 = OBJCOPY $@ 390 quiet_cmd_64 = OBJCOPY $@ 401 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $( 391 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ 402 vmlinux.64: vmlinux 392 vmlinux.64: vmlinux 403 $(call cmd,64) 393 $(call cmd,64) 404 394 405 all: $(all-y) $(KBUILD_DTBS) 395 all: $(all-y) $(KBUILD_DTBS) 406 396 407 # boot 397 # boot 408 $(boot-y): $(vmlinux-32) FORCE 398 $(boot-y): $(vmlinux-32) FORCE 409 $(Q)$(MAKE) $(build)=arch/mips/boot VM 399 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \ 410 $(bootvars-y) arch/mips/boot/$ 400 $(bootvars-y) arch/mips/boot/$@ 411 401 412 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 402 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 413 # boot/compressed 403 # boot/compressed 414 $(bootz-y): $(vmlinux-32) FORCE 404 $(bootz-y): $(vmlinux-32) FORCE 415 $(Q)$(MAKE) $(build)=arch/mips/boot/co 405 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ 416 $(bootvars-y) 32bit-bfd=$(32bi !! 406 $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@ 417 else 407 else 418 vmlinuz: FORCE 408 vmlinuz: FORCE 419 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is 409 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' 420 /bin/false 410 /bin/false 421 endif 411 endif 422 412 423 413 424 CLEAN_FILES += vmlinux.32 vmlinux.64 414 CLEAN_FILES += vmlinux.32 vmlinux.64 425 415 426 # device-trees 416 # device-trees 427 core-y += arch/mips/boot/dts/ 417 core-y += arch/mips/boot/dts/ 428 418 429 archprepare: 419 archprepare: 430 ifdef CONFIG_MIPS32_N32 420 ifdef CONFIG_MIPS32_N32 431 @$(kecho) ' Checking missing-syscalls 421 @$(kecho) ' Checking missing-syscalls for N32' 432 $(Q)$(MAKE) $(build)=. missing-syscall 422 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" 433 endif 423 endif 434 ifdef CONFIG_MIPS32_O32 424 ifdef CONFIG_MIPS32_O32 435 @$(kecho) ' Checking missing-syscalls 425 @$(kecho) ' Checking missing-syscalls for O32' 436 $(Q)$(MAKE) $(build)=. missing-syscall 426 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32" 437 endif 427 endif 438 428 439 install: 429 install: 440 $(Q)install -D -m 755 vmlinux $(INSTAL 430 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) 441 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 431 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 442 $(Q)install -D -m 755 vmlinuz $(INSTAL 432 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) 443 endif 433 endif 444 $(Q)install -D -m 644 .config $(INSTAL 434 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) 445 $(Q)install -D -m 644 System.map $(INS 435 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) 446 436 >> 437 archclean: >> 438 $(Q)$(MAKE) $(clean)=arch/mips/boot >> 439 $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed >> 440 $(Q)$(MAKE) $(clean)=arch/mips/boot/tools >> 441 $(Q)$(MAKE) $(clean)=arch/mips/lasat >> 442 447 archheaders: 443 archheaders: 448 $(Q)$(MAKE) $(build)=arch/mips/kernel/ 444 $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all 449 445 450 define archhelp 446 define archhelp 451 echo ' install - install 447 echo ' install - install kernel into $(INSTALL_PATH)' 452 echo ' vmlinux.ecoff - ECOFF b 448 echo ' vmlinux.ecoff - ECOFF boot image' 453 echo ' vmlinux.bin - Raw bin 449 echo ' vmlinux.bin - Raw binary boot image' 454 echo ' vmlinux.srec - SREC bo 450 echo ' vmlinux.srec - SREC boot image' 455 echo ' vmlinux.32 - 64-bit 451 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)' 456 echo ' vmlinuz - Compres 452 echo ' vmlinuz - Compressed boot(zboot) image' 457 echo ' vmlinuz.ecoff - ECOFF z 453 echo ' vmlinuz.ecoff - ECOFF zboot image' 458 echo ' vmlinuz.bin - Raw bin 454 echo ' vmlinuz.bin - Raw binary zboot image' 459 echo ' vmlinuz.srec - SREC zb 455 echo ' vmlinuz.srec - SREC zboot image' 460 echo ' uImage - U-Boot 456 echo ' uImage - U-Boot image' 461 echo ' uImage.bin - U-Boot 457 echo ' uImage.bin - U-Boot image (uncompressed)' 462 echo ' uImage.bz2 - U-Boot 458 echo ' uImage.bz2 - U-Boot image (bz2)' 463 echo ' uImage.gz - U-Boot 459 echo ' uImage.gz - U-Boot image (gzip)' 464 echo ' uImage.lzma - U-Boot 460 echo ' uImage.lzma - U-Boot image (lzma)' 465 echo ' uImage.lzo - U-Boot 461 echo ' uImage.lzo - U-Boot image (lzo)' 466 echo ' uzImage.bin - U-Boot 462 echo ' uzImage.bin - U-Boot image (self-extracting)' 467 echo 463 echo 468 echo ' These will be default as appro 464 echo ' These will be default as appropriate for a configured platform.' 469 echo 465 echo 470 echo ' If you are targeting a system 466 echo ' If you are targeting a system supported by generic kernels you may' 471 echo ' configure the kernel for a giv 467 echo ' configure the kernel for a given architecture target like so:' 472 echo 468 echo 473 echo ' {micro32,32,64}{r1,r2,r6}{el,} 469 echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">' 474 echo 470 echo 475 echo ' Where BOARDS is some subset of 471 echo ' Where BOARDS is some subset of the following:' 476 for board in $(sort $(BOARDS)); do ech 472 for board in $(sort $(BOARDS)); do echo " $${board}"; done 477 echo 473 echo 478 echo ' Specifically the following gen 474 echo ' Specifically the following generic default configurations are' 479 echo ' supported:' 475 echo ' supported:' 480 echo 476 echo 481 $(foreach cfg,$(generic_defconfigs), 477 $(foreach cfg,$(generic_defconfigs), 482 printf " %-24s - Build generic kern 478 printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);) 483 echo 479 echo 484 echo ' The following legacy default c 480 echo ' The following legacy default configurations have been converted to' 485 echo ' generic and can still be used: 481 echo ' generic and can still be used:' 486 echo 482 echo 487 $(foreach cfg,$(sort $(legacy_defconfi 483 $(foreach cfg,$(sort $(legacy_defconfigs)), 488 printf " %-24s - Build $($(cfg)-y)\ 484 printf " %-24s - Build $($(cfg)-y)\n" $(cfg);) 489 echo 485 echo 490 echo ' Otherwise, the following defau 486 echo ' Otherwise, the following default configurations are available:' 491 endef 487 endef 492 488 493 generic_config_dir = $(srctree)/arch/$(ARCH)/c 489 generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic 494 generic_defconfigs := 490 generic_defconfigs := 495 491 496 # 492 # 497 # If the user generates a generic kernel confi 493 # If the user generates a generic kernel configuration without specifying a 498 # list of boards to include the config fragmen 494 # list of boards to include the config fragments for, default to including all 499 # available board config fragments. 495 # available board config fragments. 500 # 496 # 501 ifeq ($(BOARDS),) 497 ifeq ($(BOARDS),) 502 BOARDS = $(patsubst board-%.config,%,$(notdir 498 BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config))) 503 endif 499 endif 504 500 505 # 501 # 506 # Generic kernel configurations which merge ge 502 # Generic kernel configurations which merge generic_defconfig with the 507 # appropriate config fragments from arch/mips/ 503 # appropriate config fragments from arch/mips/configs/generic/, resulting in 508 # the ability to easily configure the kernel f 504 # the ability to easily configure the kernel for a given architecture, 509 # endianness & set of boards without duplicati 505 # endianness & set of boards without duplicating the needed configuration in 510 # hundreds of defconfig files. 506 # hundreds of defconfig files. 511 # 507 # 512 define gen_generic_defconfigs 508 define gen_generic_defconfigs 513 $(foreach bits,$(1),$(foreach rev,$(2),$(forea 509 $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3), 514 target := $(bits)$(rev)$(filter el,$(endian))_ 510 target := $(bits)$(rev)$(filter el,$(endian))_defconfig 515 generic_defconfigs += $$(target) 511 generic_defconfigs += $$(target) 516 $$(target): $(generic_config_dir)/$(bits)$(rev 512 $$(target): $(generic_config_dir)/$(bits)$(rev).config 517 $$(target): $(generic_config_dir)/$(endian).co 513 $$(target): $(generic_config_dir)/$(endian).config 518 ))) 514 ))) 519 endef 515 endef 520 516 521 $(eval $(call gen_generic_defconfigs,32 64,r1 517 $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el)) 522 $(eval $(call gen_generic_defconfigs,micro32,r 518 $(eval $(call gen_generic_defconfigs,micro32,r2,eb el)) 523 519 524 define describe_generic_defconfig 520 define describe_generic_defconfig 525 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(su 521 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1))))) 526 endef 522 endef 527 523 528 .PHONY: $(generic_defconfigs) 524 .PHONY: $(generic_defconfigs) 529 $(generic_defconfigs): 525 $(generic_defconfigs): 530 $(Q)$(CONFIG_SHELL) $(srctree)/scripts 526 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ 531 -m -O $(objtree) $(srctree)/ar 527 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \ 532 grep -Ev '^#' 528 grep -Ev '^#' 533 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.c 529 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@ 534 $(Q)$(MAKE) -f $(srctree)/Makefile old 530 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \ 535 KCONFIG_CONFIG=$(objtree)/.con 531 KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null 536 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$( 532 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \ 537 $(srctree) $(objtree) $(objtre 533 $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \ 538 "$(origin BOARDS)" $(BOARDS) 534 "$(origin BOARDS)" $(BOARDS) 539 $(Q)$(MAKE) -f $(srctree)/Makefile old 535 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig 540 536 541 # 537 # 542 # Prevent generic merge_config rules attemptin 538 # Prevent generic merge_config rules attempting to merge single fragments 543 # 539 # 544 $(generic_config_dir)/%.config: ; 540 $(generic_config_dir)/%.config: ; 545 541 546 # 542 # 547 # Prevent direct use of generic_defconfig, whi 543 # Prevent direct use of generic_defconfig, which is intended to be used as the 548 # basis of the various ISA-specific targets ge 544 # basis of the various ISA-specific targets generated above. 549 # 545 # 550 .PHONY: generic_defconfig 546 .PHONY: generic_defconfig 551 generic_defconfig: 547 generic_defconfig: 552 $(Q)echo "generic_defconfig is not int 548 $(Q)echo "generic_defconfig is not intended for direct use, but should instead be" 553 $(Q)echo "used via an ISA-specific tar 549 $(Q)echo "used via an ISA-specific target from the following list:" 554 $(Q)echo 550 $(Q)echo 555 $(Q)for cfg in $(generic_defconfigs); 551 $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done 556 $(Q)echo 552 $(Q)echo 557 $(Q)false 553 $(Q)false 558 554 559 # 555 # 560 # Legacy defconfig compatibility - these targe 556 # Legacy defconfig compatibility - these targets used to be real defconfigs but 561 # now that the boards have been converted to u 557 # now that the boards have been converted to use the generic kernel they are 562 # wrappers around the generic rules above. 558 # wrappers around the generic rules above. 563 # 559 # 564 legacy_defconfigs += ocelot_defc 560 legacy_defconfigs += ocelot_defconfig 565 ocelot_defconfig-y := 32r2el_defc 561 ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot 566 562 567 legacy_defconfigs += sead3_defco 563 legacy_defconfigs += sead3_defconfig 568 sead3_defconfig-y := 32r2el_defc 564 sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3 569 565 570 legacy_defconfigs += sead3micro_ 566 legacy_defconfigs += sead3micro_defconfig 571 sead3micro_defconfig-y := micro32r2el 567 sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3 572 568 573 legacy_defconfigs += xilfpga_def 569 legacy_defconfigs += xilfpga_defconfig 574 xilfpga_defconfig-y := 32r2el_defc 570 xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga 575 << 576 legacy_defconfigs += pistachio_d << 577 pistachio_defconfig-y := 32r2el_defc << 578 571 579 .PHONY: $(legacy_defconfigs) 572 .PHONY: $(legacy_defconfigs) 580 $(legacy_defconfigs): 573 $(legacy_defconfigs): 581 $(Q)$(MAKE) -f $(srctree)/Makefile $($ 574 $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)
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