1 # 1 # 2 # arch/sh/Makefile << 3 # << 4 # Copyright (C) 1999 Kaz Kojima << 5 # Copyright (C) 2002 - 2008 Paul Mundt << 6 # Copyright (C) 2002 M. R. Brown << 7 # << 8 # This file is subject to the terms and condit 2 # This file is subject to the terms and conditions of the GNU General Public 9 # License. See the file "COPYING" in the main 3 # License. See the file "COPYING" in the main directory of this archive 10 # for more details. 4 # for more details. 11 # 5 # 12 ifdef cross_compiling !! 6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle >> 7 # DECStation modifications by Paul M. Antoine, 1996 >> 8 # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki >> 9 # >> 10 # This file is included by the global makefile so that you can add your own >> 11 # architecture-specific flags and dependencies. Remember to do have actions >> 12 # for "archclean" cleaning up for this architecture. >> 13 # >> 14 >> 15 archscripts: scripts_basic >> 16 $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs >> 17 >> 18 KBUILD_DEFCONFIG := ip22_defconfig >> 19 >> 20 # >> 21 # Select the object file format to substitute into the linker script. >> 22 # >> 23 ifdef CONFIG_CPU_LITTLE_ENDIAN >> 24 32bit-tool-archpref = mipsel >> 25 64bit-tool-archpref = mips64el >> 26 32bit-bfd = elf32-tradlittlemips >> 27 64bit-bfd = elf64-tradlittlemips >> 28 32bit-emul = elf32ltsmip >> 29 64bit-emul = elf64ltsmip >> 30 else >> 31 32bit-tool-archpref = mips >> 32 64bit-tool-archpref = mips64 >> 33 32bit-bfd = elf32-tradbigmips >> 34 64bit-bfd = elf64-tradbigmips >> 35 32bit-emul = elf32btsmip >> 36 64bit-emul = elf64btsmip >> 37 endif >> 38 >> 39 ifdef CONFIG_32BIT >> 40 tool-archpref = $(32bit-tool-archpref) >> 41 UTS_MACHINE := mips >> 42 endif >> 43 ifdef CONFIG_64BIT >> 44 tool-archpref = $(64bit-tool-archpref) >> 45 UTS_MACHINE := mips64 >> 46 endif >> 47 >> 48 ifneq ($(SUBARCH),$(ARCH)) 13 ifeq ($(CROSS_COMPILE),) 49 ifeq ($(CROSS_COMPILE),) 14 CROSS_COMPILE := $(call cc-cross-prefix, s !! 50 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) 15 endif 51 endif 16 endif 52 endif 17 53 18 KBUILD_DEFCONFIG := shx3_defconfig !! 54 ifdef CONFIG_FUNCTION_GRAPH_TRACER >> 55 ifndef KBUILD_MCOUNT_RA_ADDRESS >> 56 ifeq ($(call cc-option-yn,-mmcount-ra-address), y) >> 57 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS >> 58 endif >> 59 endif >> 60 endif >> 61 cflags-y += $(call cc-option, -mno-check-zero-division) 19 62 20 isa-y := any !! 63 ifdef CONFIG_32BIT 21 isa-$(CONFIG_SH_DSP) := sh !! 64 ld-emul = $(32bit-emul) 22 isa-$(CONFIG_CPU_SH2) := sh2 !! 65 vmlinux-32 = vmlinux 23 isa-$(CONFIG_CPU_SH2A) := sh2 !! 66 vmlinux-64 = vmlinux.64 24 isa-$(CONFIG_CPU_SH3) := sh3 !! 67 25 isa-$(CONFIG_CPU_SH4) := sh4 !! 68 cflags-y += -mabi=32 26 isa-$(CONFIG_CPU_SH4A) := sh4 !! 69 endif 27 isa-$(CONFIG_CPU_SH4AL_DSP) := sh4 !! 70 28 !! 71 ifdef CONFIG_64BIT 29 isa-$(CONFIG_SH_DSP) := $(i !! 72 ld-emul = $(64bit-emul) 30 isa-y := $(i !! 73 vmlinux-32 = vmlinux.32 31 !! 74 vmlinux-64 = vmlinux 32 cflags-$(CONFIG_CPU_SH2) := $(c !! 75 33 cflags-$(CONFIG_CPU_J2) += $(c !! 76 cflags-y += -mabi=64 34 cflags-$(CONFIG_CPU_SH2A) += $(c !! 77 endif 35 $(c !! 78 36 $(c !! 79 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) 37 cflags-$(CONFIG_CPU_SH3) := $(c !! 80 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) 38 cflags-$(CONFIG_CPU_SH4) := $(c !! 81 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz 39 $(call cc-option,-mno-implicit-fp,-m4- !! 82 40 cflags-$(CONFIG_CPU_SH4A) += $(c !! 83 # 41 $(c !! 84 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel 42 cflags-$(CONFIG_CPU_SH4AL_DSP) += $(c !! 85 # code since it only slows down the whole thing. At some point we might make 43 !! 86 # use of global pointer optimizations but their use of $28 conflicts with 44 ifeq ($(cflags-y),) !! 87 # the current pointer optimization. 45 # !! 88 # 46 # In the case where we are stuck with a compil !! 89 # The DECStation requires an ECOFF kernel for remote booting, other MIPS 47 # restricted to a particular ISA, a favourite !! 90 # machines may also. Since BFD is incredibly buggy with respect to 48 # extensive multilib targets are not provided, !! 91 # crossformat linking we rely on the elf2ecoff tool for format conversion. 49 # regarding FP generation. This is intentional !! 92 # 50 # orders of magnitude less than GCC's default !! 93 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe 51 # with a large number of multilib targets bett !! 94 cflags-y += -msoft-float 52 # correctly for the target in mind. !! 95 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib 53 # !! 96 KBUILD_AFLAGS_MODULE += -mlong-calls 54 cflags-y += $(shell $(CC) $(KBUILD_CFLA !! 97 KBUILD_CFLAGS_MODULE += -mlong-calls 55 grep nofpu | sed q | sed !! 98 56 # At this point, anything goes. !! 99 ifeq ($(CONFIG_RELOCATABLE),y) 57 isaflags-y := $(call as-option,-Wa$(comma !! 100 LDFLAGS_vmlinux += --emit-relocs 58 else !! 101 endif 59 # << 60 # -Wa,-isa= tuning implies -Wa,-dsp for the ve << 61 # support it, while -Wa,-dsp by itself limits << 62 # on certain CPU subtypes. Try the ISA variant << 63 # fall back on -Wa,-dsp for the old binutils v << 64 # opcodes, we always want the best ISA tuning << 65 # will provide. << 66 # << 67 isaflags-y := $(call as-option,-Wa$(comma << 68 << 69 isaflags-$(CONFIG_SH_DSP) := \ << 70 $(call as-option,-Wa$(comma)-isa=$(isa << 71 endif << 72 << 73 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb << 74 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml << 75 << 76 cflags-y += $(call cc-option,-mno-fdpic << 77 cflags-y += $(isaflags-y) -ffreestandin << 78 << 79 OBJCOPYFLAGS := -O binary -R .note -R .note << 80 -R .stab -R .stabstr -S << 81 << 82 # Give the various platforms the opportunity t << 83 defaultimage-y << 84 defaultimage-$(CONFIG_SH_SH7785LCR) << 85 defaultimage-$(CONFIG_SH_RSK) << 86 defaultimage-$(CONFIG_SH_URQUELL) << 87 defaultimage-$(CONFIG_SH_MIGOR) << 88 defaultimage-$(CONFIG_SH_AP325RXA) << 89 defaultimage-$(CONFIG_SH_SH7757LCR) << 90 defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) << 91 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) << 92 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) << 93 << 94 # Set some sensible Kbuild defaults << 95 boot := arch/sh/boot << 96 KBUILD_IMAGE := $(boot)/$(defaultim << 97 102 98 # 103 # 99 # Choosing incompatible machines durings confi !! 104 # pass -msoft-float to GAS if it supports it. However on newer binutils 100 # error messages during linking. !! 105 # (specifically newer than 2.24.51.20140728) we then also need to explicitly >> 106 # set ".set hardfloat" in all files which manipulate floating point registers. 101 # 107 # 102 UTS_MACHINE := sh !! 108 ifneq ($(call as-option,-Wa$(comma)-msoft-float,),) 103 LDFLAGS_vmlinux += -e _stext !! 109 cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float >> 110 endif 104 111 105 ifdef CONFIG_CPU_LITTLE_ENDIAN !! 112 cflags-y += -ffreestanding 106 ld-bfd := elf32-sh-linux !! 113 107 LDFLAGS_vmlinux += --defsym jiffies=ji !! 114 # 108 KBUILD_LDFLAGS += -EL !! 115 # We explicitly add the endianness specifier if needed, this allows 109 else !! 116 # to compile kernels with a toolchain for the other endianness. We 110 ld-bfd := elf32-shbig-linux !! 117 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains 111 LDFLAGS_vmlinux += --defsym jiffies=ji !! 118 # when fed the toolchain default! 112 KBUILD_LDFLAGS += -EB !! 119 # >> 120 # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of >> 121 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL >> 122 # are used, so we kludge that here. A bug has been filed at >> 123 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413. >> 124 # >> 125 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__ >> 126 undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__ >> 127 predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__ >> 128 predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ >> 129 cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) >> 130 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) >> 131 >> 132 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ >> 133 -fno-omit-frame-pointer >> 134 >> 135 # Some distribution-specific toolchains might pass the -fstack-check >> 136 # option during the build, which adds a simple stack-probe at the beginning >> 137 # of every function. This stack probe is to ensure that there is enough >> 138 # stack space, else a SEGV is generated. This is not desirable for MIPS >> 139 # as kernel stacks are small, placed in unmapped virtual memory, and do not >> 140 # grow when overflowed. Especially on SGI IP27 platforms, this check will >> 141 # lead to a NULL pointer dereference in _raw_spin_lock_irq. >> 142 # >> 143 # In disassembly, this stack probe appears at the top of a function as: >> 144 # sd zero,<offset>(sp) >> 145 # Where <offset> is a negative value. >> 146 # >> 147 cflags-y += -fno-stack-check >> 148 >> 149 # >> 150 # CPU-dependent compiler/assembler options for optimization. >> 151 # >> 152 cflags-$(CONFIG_CPU_R3000) += -march=r3000 >> 153 cflags-$(CONFIG_CPU_TX39XX) += -march=r3900 >> 154 cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap >> 155 cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap >> 156 cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap >> 157 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap >> 158 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap >> 159 cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ >> 160 -Wa,-mips32 -Wa,--trap >> 161 cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ >> 162 -Wa,-mips32r2 -Wa,--trap >> 163 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg >> 164 cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \ >> 165 -Wa,-mips64 -Wa,--trap >> 166 cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \ >> 167 -Wa,-mips64r2 -Wa,--trap >> 168 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap >> 169 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap >> 170 cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \ >> 171 -Wa,--trap >> 172 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ >> 173 -Wa,--trap >> 174 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ >> 175 -Wa,--trap >> 176 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ >> 177 -Wa,--trap >> 178 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ >> 179 -Wa,--trap >> 180 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) >> 181 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) >> 182 cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap >> 183 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ >> 184 -Wa,--trap >> 185 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap >> 186 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) >> 187 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon 113 endif 188 endif >> 189 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 >> 190 cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap 114 191 115 export ld-bfd !! 192 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) >> 193 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) >> 194 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) >> 195 >> 196 # For smartmips configurations, there are hundreds of warnings due to ISA overrides >> 197 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards >> 198 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or >> 199 # similar directives in the kernel will spam the build logs with the following warnings: >> 200 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater >> 201 # or >> 202 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension >> 203 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has >> 204 # been fixed properly. >> 205 mips-cflags := $(cflags-y) >> 206 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) >> 207 smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips) >> 208 cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn >> 209 endif >> 210 ifeq ($(CONFIG_CPU_MICROMIPS),y) >> 211 micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips) >> 212 cflags-$(micromips-ase) += -mmicromips >> 213 endif >> 214 ifeq ($(CONFIG_CPU_HAS_MSA),y) >> 215 toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa) >> 216 cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA >> 217 endif >> 218 toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) >> 219 cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT 116 220 117 # Mach groups !! 221 # 118 machdir-$(CONFIG_SOLUTION_ENGINE) !! 222 # Firmware support 119 machdir-$(CONFIG_SH_DREAMCAST) !! 223 # 120 machdir-$(CONFIG_SH_SH03) !! 224 libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/ 121 machdir-$(CONFIG_SH_MIGOR) !! 225 libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/ 122 machdir-$(CONFIG_SH_KFR2R09) !! 226 libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/ 123 machdir-$(CONFIG_SH_ECOVEC) !! 227 libs-y += arch/mips/fw/lib/ 124 machdir-$(CONFIG_SH_SDK7786) << 125 machdir-$(CONFIG_SH_X3PROTO) << 126 machdir-$(CONFIG_SH_LANDISK) << 127 machdir-y << 128 228 129 # 229 # 130 # CPU header paths !! 230 # Kernel compression 131 # 231 # 132 # These are ordered by optimization level. A C !! 232 ifdef SYS_SUPPORTS_ZBOOT 133 # of another (ie, SH-2A / SH-2), is picked up !! 233 COMPRESSION_FNAME = vmlinuz 134 # levels of genericness if nothing more suitab !! 234 else 135 # hierarchy. !! 235 COMPRESSION_FNAME = vmlinux >> 236 endif >> 237 >> 238 # >> 239 # Board-dependent options and extra files 136 # 240 # 137 # As an example, in order of preference, SH-2A !! 241 include arch/mips/Kbuild.platforms >> 242 >> 243 ifdef CONFIG_PHYSICAL_START >> 244 load-y = $(CONFIG_PHYSICAL_START) >> 245 endif >> 246 >> 247 entry-noisa-y = 0x$(shell $(NM) vmlinux 2>/dev/null \ >> 248 | grep "\bkernel_entry\b" | cut -f1 -d \ ) >> 249 ifdef CONFIG_CPU_MICROMIPS >> 250 # >> 251 # Set the ISA bit, since the kernel_entry symbol in the ELF will have it >> 252 # clear which would lead to images containing addresses which bootloaders may >> 253 # jump to as MIPS32 code. >> 254 # >> 255 entry-y = $(patsubst %0,%1,$(patsubst %2,%3,$(patsubst %4,%5, \ >> 256 $(patsubst %6,%7,$(patsubst %8,%9,$(patsubst %a,%b, \ >> 257 $(patsubst %c,%d,$(patsubst %e,%f,$(entry-noisa-y))))))))) >> 258 else >> 259 entry-y = $(entry-noisa-y) >> 260 endif >> 261 >> 262 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic >> 263 drivers-$(CONFIG_PCI) += arch/mips/pci/ >> 264 138 # 265 # 139 cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a !! 266 # Automatically detect the build format. By default we choose 140 cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 !! 267 # the elf format according to the load address. 141 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 !! 268 # We can always force a build with a 64-bits symbol format by 142 cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a !! 269 # passing 'KBUILD_SYM32=no' option to the make's command line. 143 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 !! 270 # 144 cpuincdir-y += cpu-common !! 271 ifdef CONFIG_64BIT >> 272 ifndef KBUILD_SYM32 >> 273 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) >> 274 KBUILD_SYM32 = y >> 275 endif >> 276 endif >> 277 >> 278 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy) >> 279 cflags-y += -msym32 -DKBUILD_64BIT_SYM32 >> 280 else >> 281 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) >> 282 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) >> 283 endif >> 284 endif >> 285 endif >> 286 >> 287 KBUILD_AFLAGS += $(cflags-y) >> 288 KBUILD_CFLAGS += $(cflags-y) >> 289 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) >> 290 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) >> 291 >> 292 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ >> 293 VMLINUX_ENTRY_ADDRESS=$(entry-y) \ >> 294 PLATFORM="$(platform-y)" >> 295 ifdef CONFIG_32BIT >> 296 bootvars-y += ADDR_BITS=32 >> 297 endif >> 298 ifdef CONFIG_64BIT >> 299 bootvars-y += ADDR_BITS=64 >> 300 endif >> 301 >> 302 LDFLAGS += -m $(ld-emul) >> 303 >> 304 ifdef CONFIG_MIPS >> 305 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ >> 306 egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \ >> 307 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') >> 308 ifdef CONFIG_64BIT >> 309 CHECKFLAGS += -m64 >> 310 endif >> 311 endif >> 312 >> 313 OBJCOPYFLAGS += --remove-section=.reginfo 145 314 146 drivers-y += arch/sh/dri !! 315 head-y := arch/mips/kernel/head.o 147 316 148 KBUILD_CPPFLAGS += $(addprefix -I $(sr !! 317 libs-y += arch/mips/lib/ 149 KBUILD_CFLAGS += -pipe $(cflags-y) !! 318 libs-y += arch/mips/math-emu/ 150 KBUILD_AFLAGS += $(cflags-y) << 151 319 152 ifeq ($(CONFIG_MCOUNT),y) !! 320 # See arch/mips/Kbuild for content of core part of the kernel 153 KBUILD_CFLAGS += -pg !! 321 core-y += arch/mips/ >> 322 >> 323 drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ >> 324 >> 325 # suspend and hibernation support >> 326 drivers-$(CONFIG_PM) += arch/mips/power/ >> 327 >> 328 # boot image targets (arch/mips/boot/) >> 329 boot-y := vmlinux.bin >> 330 boot-y += vmlinux.ecoff >> 331 boot-y += vmlinux.srec >> 332 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0) >> 333 boot-y += uImage >> 334 boot-y += uImage.bin >> 335 boot-y += uImage.bz2 >> 336 boot-y += uImage.gz >> 337 boot-y += uImage.lzma >> 338 boot-y += uImage.lzo >> 339 endif >> 340 boot-y += vmlinux.itb >> 341 boot-y += vmlinux.gz.itb >> 342 boot-y += vmlinux.bz2.itb >> 343 boot-y += vmlinux.lzma.itb >> 344 boot-y += vmlinux.lzo.itb >> 345 >> 346 # compressed boot image targets (arch/mips/boot/compressed/) >> 347 bootz-y := vmlinuz >> 348 bootz-y += vmlinuz.bin >> 349 bootz-y += vmlinuz.ecoff >> 350 bootz-y += vmlinuz.srec >> 351 ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) >> 352 bootz-y += uzImage.bin >> 353 endif >> 354 >> 355 ifdef CONFIG_LASAT >> 356 rom.bin rom.sw: vmlinux >> 357 $(Q)$(MAKE) $(build)=arch/mips/lasat/image \ >> 358 $(bootvars-y) $@ 154 endif 359 endif 155 360 156 ifeq ($(CONFIG_DWARF_UNWINDER),y) !! 361 # 157 KBUILD_CFLAGS += -fasynchronous-unwind-table !! 362 # Some machines like the Indy need 32-bit ELF binaries for booting purposes. >> 363 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then >> 364 # convert to ECOFF using elf2ecoff. >> 365 # >> 366 quiet_cmd_32 = OBJCOPY $@ >> 367 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ >> 368 vmlinux.32: vmlinux >> 369 $(call cmd,32) >> 370 >> 371 # >> 372 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit >> 373 # ELF files from 32-bit files by conversion. >> 374 # >> 375 quiet_cmd_64 = OBJCOPY $@ >> 376 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ >> 377 vmlinux.64: vmlinux >> 378 $(call cmd,64) >> 379 >> 380 all: $(all-y) >> 381 >> 382 # boot >> 383 $(boot-y): $(vmlinux-32) FORCE >> 384 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \ >> 385 $(bootvars-y) arch/mips/boot/$@ >> 386 >> 387 ifdef CONFIG_SYS_SUPPORTS_ZBOOT >> 388 # boot/compressed >> 389 $(bootz-y): $(vmlinux-32) FORCE >> 390 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ >> 391 $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@ >> 392 else >> 393 vmlinuz: FORCE >> 394 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' >> 395 /bin/false 158 endif 396 endif 159 397 160 libs-y := arch/sh/lib/ $(libs << 161 398 162 BOOT_TARGETS = uImage uImage.bz2 uImage.gz uIm !! 399 CLEAN_FILES += vmlinux.32 vmlinux.64 163 uImage.srec uImage.bin zImage v << 164 romImage << 165 PHONY += $(BOOT_TARGETS) << 166 400 167 all: $(notdir $(KBUILD_IMAGE)) !! 401 # device-trees >> 402 core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/ 168 403 169 $(BOOT_TARGETS): vmlinux !! 404 %.dtb %.dtb.S %.dtb.o: | scripts 170 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 405 $(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@ 171 406 172 compressed: zImage !! 407 PHONY += dtbs >> 408 dtbs: scripts >> 409 $(Q)$(MAKE) $(build)=arch/mips/boot/dts >> 410 >> 411 PHONY += dtbs_install >> 412 dtbs_install: >> 413 $(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts 173 414 174 archprepare: 415 archprepare: 175 $(Q)$(MAKE) $(build)=arch/sh/tools inc !! 416 ifdef CONFIG_MIPS32_N32 >> 417 @$(kecho) ' Checking missing-syscalls for N32' >> 418 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" >> 419 endif >> 420 ifdef CONFIG_MIPS32_O32 >> 421 @$(kecho) ' Checking missing-syscalls for O32' >> 422 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32" >> 423 endif 176 424 177 archheaders: !! 425 install: 178 $(Q)$(MAKE) $(build)=arch/sh/kernel/sy !! 426 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) >> 427 ifdef CONFIG_SYS_SUPPORTS_ZBOOT >> 428 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) >> 429 endif >> 430 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) >> 431 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) >> 432 >> 433 archclean: >> 434 $(Q)$(MAKE) $(clean)=arch/mips/boot >> 435 $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed >> 436 $(Q)$(MAKE) $(clean)=arch/mips/boot/tools >> 437 $(Q)$(MAKE) $(clean)=arch/mips/lasat 179 438 180 define archhelp 439 define archhelp 181 @echo ' zImage - C !! 440 echo ' install - install kernel into $(INSTALL_PATH)' 182 @echo ' romImage - C !! 441 echo ' vmlinux.ecoff - ECOFF boot image' 183 @echo ' vmlinux.srec - C !! 442 echo ' vmlinux.bin - Raw binary boot image' 184 @echo ' vmlinux.bin - C !! 443 echo ' vmlinux.srec - SREC boot image' 185 @echo '* uImage - A !! 444 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)' 186 @echo ' uImage.srec - C !! 445 echo ' vmlinuz - Compressed boot(zboot) image' 187 @echo ' uImage.bin - K !! 446 echo ' vmlinuz.ecoff - ECOFF zboot image' 188 @echo '* uImage.gz - K !! 447 echo ' vmlinuz.bin - Raw binary zboot image' 189 @echo ' uImage.bz2 - K !! 448 echo ' vmlinuz.srec - SREC zboot image' 190 @echo ' uImage.lzma - K !! 449 echo ' uImage - U-Boot image' 191 @echo ' uImage.xz - K !! 450 echo ' uImage.bin - U-Boot image (uncompressed)' 192 @echo ' uImage.lzo - K !! 451 echo ' uImage.bz2 - U-Boot image (bz2)' >> 452 echo ' uImage.gz - U-Boot image (gzip)' >> 453 echo ' uImage.lzma - U-Boot image (lzma)' >> 454 echo ' uImage.lzo - U-Boot image (lzo)' >> 455 echo ' uzImage.bin - U-Boot image (self-extracting)' >> 456 echo ' dtbs - Device-tree blobs for enabled boards' >> 457 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)' >> 458 echo >> 459 echo ' These will be default as appropriate for a configured platform.' >> 460 echo >> 461 echo ' If you are targeting a system supported by generic kernels you may' >> 462 echo ' configure the kernel for a given architecture target like so:' >> 463 echo >> 464 echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">' >> 465 echo >> 466 echo ' Otherwise, the following default configurations are available:' >> 467 endef >> 468 >> 469 generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic >> 470 generic_defconfigs := >> 471 >> 472 # >> 473 # If the user generates a generic kernel configuration without specifying a >> 474 # list of boards to include the config fragments for, default to including all >> 475 # available board config fragments. >> 476 # >> 477 ifeq ($(BOARDS),) >> 478 BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config))) >> 479 endif >> 480 >> 481 # >> 482 # Generic kernel configurations which merge generic_defconfig with the >> 483 # appropriate config fragments from arch/mips/configs/generic/, resulting in >> 484 # the ability to easily configure the kernel for a given architecture, >> 485 # endianness & set of boards without duplicating the needed configuration in >> 486 # hundreds of defconfig files. >> 487 # >> 488 define gen_generic_defconfigs >> 489 $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3), >> 490 target := $(bits)$(rev)$(filter el,$(endian))_defconfig >> 491 generic_defconfigs += $$(target) >> 492 $$(target): $(generic_config_dir)/$(bits)$(rev).config >> 493 $$(target): $(generic_config_dir)/$(endian).config >> 494 ))) 193 endef 495 endef >> 496 >> 497 $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el)) >> 498 $(eval $(call gen_generic_defconfigs,micro32,r2,eb el)) >> 499 >> 500 .PHONY: $(generic_defconfigs) >> 501 $(generic_defconfigs): >> 502 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ >> 503 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ \ >> 504 $(foreach board,$(BOARDS),$(generic_config_dir)/board-$(board).config) >> 505 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig >> 506 >> 507 # >> 508 # Prevent generic merge_config rules attempting to merge single fragments >> 509 # >> 510 $(generic_config_dir)/%.config: ; >> 511 >> 512 # >> 513 # Legacy defconfig compatibility - these targets used to be real defconfigs but >> 514 # now that the boards have been converted to use the generic kernel they are >> 515 # wrappers around the generic rules above. >> 516 # >> 517 .PHONY: sead3_defconfig >> 518 sead3_defconfig: >> 519 $(Q)$(MAKE) -f $(srctree)/Makefile 32r2el_defconfig BOARDS=sead-3 >> 520 >> 521 .PHONY: sead3micro_defconfig >> 522 sead3micro_defconfig: >> 523 $(Q)$(MAKE) -f $(srctree)/Makefile micro32r2el_defconfig BOARDS=sead-3
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