1 # This file is included by the global makefile !! 1 # SPDX-License-Identifier: GPL-2.0 2 # architecture-specific flags and dependencies << 3 # 2 # 4 # This file is subject to the terms and condit !! 3 # sparc/Makefile 5 # License. See the file "COPYING" in the main << 6 # for more details. << 7 # 4 # 8 # Copyright (C) 1994 by Linus Torvalds !! 5 # Makefile for the architecture dependent flags and dependencies on the 9 # Changes for PPC by Gary Thomas !! 6 # Sparc and sparc64. 10 # Rewritten by Cort Dougan and Paul Mackerras << 11 # 7 # >> 8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu) >> 9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) 12 10 13 ifdef cross_compiling !! 11 # We are not yet configured - so test on arch 14 ifeq ($(CROSS_COMPILE),) !! 12 ifeq ($(ARCH),sparc64) 15 # Auto detect cross compiler prefix. !! 13 KBUILD_DEFCONFIG := sparc64_defconfig 16 # Look for: (powerpc(64(le)?)?)(-unknown)? << 17 CC_ARCHES := powerpc powerpc64 powerpc64le << 18 CC_SUFFIXES := linux linux-gnu unknown-lin << 19 CROSS_COMPILE := $(call cc-cross-prefix, $ << 20 $(foreach s,$(CC_SUFFIX << 21 endif << 22 endif << 23 << 24 HAS_BIARCH := $(call cc-option-yn, -m32) << 25 << 26 # Set default 32 bits cross compilers for vdso << 27 CROSS32_COMPILE ?= << 28 << 29 # If we're on a ppc/ppc64/ppc64le machine use << 30 # ppc64le_defconfig because we have nothing be << 31 uname := $(shell uname -m) << 32 KBUILD_DEFCONFIG := $(if $(filter ppc%,$(uname << 33 << 34 new_nm := $(shell if $(NM) --help 2>&1 | grep << 35 << 36 ifeq ($(new_nm),y) << 37 NM := $(NM) --synthetic << 38 endif << 39 << 40 # BITS is used as extension for files which ar << 41 # and a 64 bit version to simplify shared Make << 42 # e.g.: obj-y += foo_$(BITS).o << 43 export BITS << 44 << 45 ifdef CONFIG_PPC64 << 46 BITS := 64 << 47 else << 48 BITS := 32 << 49 endif << 50 << 51 machine-y = ppc << 52 machine-$(CONFIG_PPC64) += 64 << 53 machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le << 54 UTS_MACHINE := $(subst $(space),,$(machine-y)) << 55 << 56 ifeq ($(CONFIG_PPC64)$(CONFIG_LD_IS_BFD),yy) << 57 # Have the linker provide sfpr if possible. << 58 # There is a corresponding test in arch/powerp << 59 KBUILD_LDFLAGS_MODULE += --save-restore-funcs << 60 else << 61 KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crts << 62 endif << 63 << 64 ifdef CONFIG_CPU_LITTLE_ENDIAN << 65 KBUILD_CFLAGS += -mlittle-endian << 66 KBUILD_LDFLAGS += -EL << 67 LDEMULATION := lppc << 68 GNUTARGET := powerpcle << 69 MULTIPLEWORD := -mno-multiple << 70 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno- << 71 else 14 else 72 KBUILD_CFLAGS += $(call cc-option,-mbig-endian !! 15 KBUILD_DEFCONFIG := sparc32_defconfig 73 KBUILD_LDFLAGS += -EB << 74 LDEMULATION := ppc << 75 GNUTARGET := powerpc << 76 MULTIPLEWORD := -mmultiple << 77 endif << 78 << 79 ifdef CONFIG_PPC64 << 80 ifndef CONFIG_CC_IS_CLANG << 81 cflags-$(CONFIG_PPC64_ELF_ABI_V1) += $(c << 82 cflags-$(CONFIG_PPC64_ELF_ABI_V1) += $(c << 83 aflags-$(CONFIG_PPC64_ELF_ABI_V1) += $(c << 84 aflags-$(CONFIG_PPC64_ELF_ABI_V2) += -ma << 85 endif << 86 endif << 87 << 88 ifndef CONFIG_CC_IS_CLANG << 89 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mn << 90 endif 16 endif 91 17 92 cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(c !! 18 ifeq ($(CONFIG_SPARC32),y) 93 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml !! 19 ##### 94 aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(c !! 20 # sparc32 95 aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml !! 21 # 96 << 97 ifeq ($(HAS_BIARCH),y) << 98 KBUILD_CFLAGS += -m$(BITS) << 99 KBUILD_AFLAGS += -m$(BITS) << 100 KBUILD_LDFLAGS += -m elf$(BITS)$(LDEMULATION) << 101 endif << 102 22 103 cflags-$(CONFIG_STACKPROTECTOR) += -mstack-pro !! 23 CHECKFLAGS += -D__sparc__ 104 ifdef CONFIG_PPC64 !! 24 KBUILD_LDFLAGS := -m elf32_sparc 105 cflags-$(CONFIG_STACKPROTECTOR) += -mstack-pro !! 25 export BITS := 32 106 else !! 26 UTS_MACHINE := sparc 107 cflags-$(CONFIG_STACKPROTECTOR) += -mstack-pro !! 27 108 endif !! 28 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some >> 29 # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you >> 30 # give -mcpu=v8. This silently worked with older bintutils versions but >> 31 # does not any more. >> 32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 >> 33 KBUILD_CFLAGS += -Wa,-Av8 109 34 110 LDFLAGS_vmlinux-y := -Bstatic !! 35 KBUILD_AFLAGS += -m32 -Wa,-Av8 111 LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie << 112 LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) += -z no << 113 LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) << 114 << 115 ifdef CONFIG_PPC64 << 116 ifndef CONFIG_PPC_KERNEL_PCREL << 117 # -mcmodel=medium breaks modules becau << 118 # the TOC pointer to create pointers w << 119 # percpu data area are created by this << 120 # << 121 # The kernel module loader relocates t << 122 # original location (starting with 0xd << 123 # kernel percpu data space (starting w << 124 # 64bit relocation for this to work, h << 125 KBUILD_CFLAGS_MODULE += -mcmodel=large << 126 endif << 127 endif << 128 36 129 CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-m << 130 ifdef CONFIG_PPC64_ELF_ABI_V2 << 131 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m << 132 else 37 else 133 ifndef CONFIG_CC_IS_CLANG !! 38 ##### 134 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m !! 39 # sparc64 135 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m !! 40 # 136 endif << 137 endif << 138 CFLAGS-$(CONFIG_PPC64) += -mcmodel=medium << 139 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m << 140 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m << 141 << 142 # Clang unconditionally reserves r2 on ppc32 a << 143 # https://llvm.org/pr39555 << 144 CFLAGS-$(CONFIG_PPC32) := $(call cc-option, - << 145 << 146 # Clang doesn't support -mmultiple / -mno-mult << 147 # https://llvm.org/pr39556 << 148 CFLAGS-$(CONFIG_PPC32) += $(call cc-option, $ << 149 << 150 CFLAGS-$(CONFIG_PPC32) += $(call cc-option,-m << 151 << 152 CC_FLAGS_FPU := $(call cc-option,-m << 153 CC_FLAGS_NO_FPU := $(call cc-option,-m << 154 << 155 ifdef CONFIG_FUNCTION_TRACER << 156 ifdef CONFIG_ARCH_USING_PATCHABLE_FUNCTION_ENT << 157 KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTI << 158 CC_FLAGS_FTRACE := -fpatchable-function-entry= << 159 else << 160 CC_FLAGS_FTRACE := -pg << 161 ifdef CONFIG_MPROFILE_KERNEL << 162 CC_FLAGS_FTRACE += -mprofile-kernel << 163 endif << 164 endif << 165 endif << 166 << 167 CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += -mcpu=$(CO << 168 AFLAGS-$(CONFIG_TARGET_CPU_BOOL) += -mcpu=$(CO << 169 41 170 CFLAGS-y += $(CONFIG_TUNE_CPU) !! 42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ >> 43 KBUILD_LDFLAGS := -m elf64_sparc >> 44 export BITS := 64 >> 45 UTS_MACHINE := sparc64 171 46 172 asinstr := $(call as-instr,lis 9$(comma)foo@hi !! 47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow >> 48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare >> 49 KBUILD_CFLAGS += -Wa,--undeclared-regs >> 50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3) >> 51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs 173 52 174 KBUILD_CPPFLAGS += -I $(srctree)/arch/powerpc !! 53 ifeq ($(CONFIG_MCOUNT),y) 175 KBUILD_AFLAGS += $(AFLAGS-y) !! 54 KBUILD_CFLAGS += -pg 176 KBUILD_CFLAGS += $(CC_FLAGS_NO_FPU) << 177 KBUILD_CFLAGS += $(CFLAGS-y) << 178 CPP = $(CC) -E $(KBUILD_CFLAGS) << 179 << 180 CHECKFLAGS += -m$(BITS) -D__powerpc__ -D_ << 181 ifdef CONFIG_CPU_BIG_ENDIAN << 182 CHECKFLAGS += -D__BIG_ENDIAN__ << 183 else << 184 CHECKFLAGS += -D__LITTLE_ENDIAN__ << 185 endif 55 endif 186 56 187 ifdef CONFIG_476FPE_ERR46 << 188 KBUILD_LDFLAGS_MODULE += --ppc476-work << 189 -T $(srctree)/arch/powerpc/pla << 190 endif 57 endif 191 58 192 # No prefix or pcrel !! 59 libs-y += arch/sparc/prom/ 193 ifdef CONFIG_PPC_KERNEL_PREFIXED !! 60 libs-y += arch/sparc/lib/ 194 KBUILD_CFLAGS += $(call cc-option,-mprefixed) << 195 else << 196 KBUILD_CFLAGS += $(call cc-option,-mno-prefixe << 197 endif << 198 ifdef CONFIG_PPC_KERNEL_PCREL << 199 KBUILD_CFLAGS += $(call cc-option,-mpcrel) << 200 else << 201 KBUILD_CFLAGS += $(call cc-option,-mno-pcrel) << 202 endif << 203 61 204 # No AltiVec or VSX or MMA instructions when b !! 62 drivers-$(CONFIG_PM) += arch/sparc/power/ 205 KBUILD_CFLAGS += $(call cc-option,-mno-altivec !! 63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/ 206 KBUILD_CFLAGS += $(call cc-option,-mno-vsx) << 207 KBUILD_CFLAGS += $(call cc-option,-mno-mma) << 208 << 209 # No SPE instruction when building kernel << 210 # (We use all available options to help semi-b << 211 KBUILD_CFLAGS += $(call cc-option,-mno-spe) << 212 KBUILD_CFLAGS += $(call cc-option,-mspe=no) << 213 << 214 # Don't emit .eh_frame since we have no use fo << 215 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl << 216 << 217 # Never use string load/store instructions as << 218 # often slow when they are implemented at all << 219 KBUILD_CFLAGS += $(call cc-option,-m << 220 64 221 KBUILD_AFLAGS += $(aflags-y) !! 65 boot := arch/sparc/boot 222 KBUILD_CFLAGS += $(cflags-y) << 223 66 224 # Default to zImage, override when needed !! 67 # Default target 225 all: zImage 68 all: zImage 226 69 227 # With make 3.82 we cannot mix normal and wild !! 70 image zImage uImage tftpboot.img vmlinux.aout: vmlinux 228 BOOT_TARGETS1 := zImage zImage.initrd uImage !! 71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 229 BOOT_TARGETS2 := zImage% dtbImage% treeImage.% << 230 << 231 PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) << 232 << 233 boot := arch/powerpc/boot << 234 << 235 $(BOOT_TARGETS1): vmlinux << 236 $(Q)$(MAKE) $(build)=$(boot) $(patsubs << 237 $(BOOT_TARGETS2): vmlinux << 238 $(Q)$(MAKE) $(build)=$(boot) $(patsubs << 239 << 240 << 241 PHONY += bootwrapper_install << 242 bootwrapper_install: << 243 $(Q)$(MAKE) $(build)=$(boot) $(patsubs << 244 << 245 include $(srctree)/scripts/Makefile.defconf << 246 << 247 generated_configs += ppc64le_defconfig << 248 ppc64le_defconfig: << 249 $(call merge_into_defconfig,ppc64_defc << 250 << 251 generated_configs += ppc64le_guest_defconfig << 252 ppc64le_guest_defconfig: << 253 $(call merge_into_defconfig,ppc64_defc << 254 << 255 generated_configs += ppc64_guest_defconfig << 256 ppc64_guest_defconfig: << 257 $(call merge_into_defconfig,ppc64_defc << 258 << 259 generated_configs += pseries_le_defconfig << 260 pseries_le_defconfig: ppc64le_guest_defconfig << 261 << 262 generated_configs += pseries_defconfig << 263 pseries_defconfig: ppc64le_guest_defconfig << 264 << 265 generated_configs += powernv_be_defconfig << 266 powernv_be_defconfig: << 267 $(call merge_into_defconfig,powernv_de << 268 << 269 generated_configs += mpc85xx_defconfig << 270 mpc85xx_defconfig: << 271 $(call merge_into_defconfig,mpc85xx_ba << 272 85xx-32bit 85xx-hw fsl-emb-non << 273 << 274 generated_configs += mpc85xx_smp_defconfig << 275 mpc85xx_smp_defconfig: << 276 $(call merge_into_defconfig,mpc85xx_ba << 277 85xx-32bit 85xx-smp 85xx-hw fs << 278 << 279 generated_configs += corenet32_smp_defconfig << 280 corenet32_smp_defconfig: << 281 $(call merge_into_defconfig,corenet_ba << 282 85xx-32bit 85xx-smp 85xx-hw fs << 283 << 284 generated_configs += corenet64_smp_defconfig << 285 corenet64_smp_defconfig: << 286 $(call merge_into_defconfig,corenet_ba << 287 85xx-64bit 85xx-smp altivec 85 << 288 << 289 generated_configs += mpc86xx_defconfig << 290 mpc86xx_defconfig: << 291 $(call merge_into_defconfig,mpc86xx_ba << 292 86xx-hw fsl-emb-nonhw) << 293 << 294 generated_configs += mpc86xx_smp_defconfig << 295 mpc86xx_smp_defconfig: << 296 $(call merge_into_defconfig,mpc86xx_ba << 297 86xx-smp 86xx-hw fsl-emb-nonhw << 298 << 299 generated_configs += ppc32_allmodconfig << 300 ppc32_allmodconfig: << 301 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 302 -f $(srctree)/Makefile allmodc << 303 << 304 generated_configs += ppc44x_allmodconfig << 305 ppc44x_allmodconfig: << 306 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 307 -f $(srctree)/Makefile allmodc << 308 << 309 generated_configs += ppc8xx_allmodconfig << 310 ppc8xx_allmodconfig: << 311 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 312 -f $(srctree)/Makefile allmodc << 313 << 314 generated_configs += ppc85xx_allmodconfig << 315 ppc85xx_allmodconfig: << 316 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 317 -f $(srctree)/Makefile allmodc << 318 << 319 generated_configs += ppc_defconfig << 320 ppc_defconfig: << 321 $(call merge_into_defconfig,book3s_32. << 322 << 323 generated_configs += ppc64le_allmodconfig << 324 ppc64le_allmodconfig: << 325 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 326 -f $(srctree)/Makefile allmodc << 327 << 328 generated_configs += ppc64le_allnoconfig << 329 ppc64le_allnoconfig: << 330 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 331 -f $(srctree)/Makefile allnoco << 332 << 333 generated_configs += ppc64_book3e_allmodconfig << 334 ppc64_book3e_allmodconfig: << 335 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 336 -f $(srctree)/Makefile allmodc << 337 << 338 generated_configs += ppc32_randconfig << 339 ppc32_randconfig: << 340 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 341 -f $(srctree)/Makefile randcon << 342 << 343 generated_configs += ppc64_randconfig << 344 ppc64_randconfig: << 345 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre << 346 -f $(srctree)/Makefile randcon << 347 72 348 PHONY += $(generated_configs) << 349 << 350 define archhelp << 351 echo '* zImage - Build default imag << 352 echo ' zImage.* - Compressed kernel << 353 echo ' uImage - U-Boot native imag << 354 echo ' cuImage.<dt> - Backwards compatib << 355 echo ' versions which do << 356 echo ' dtbImage.<dt> - zImage with an emb << 357 echo ' simpleImage.<dt> - Firmware independ << 358 echo ' treeImage.<dt> - Support for older << 359 echo ' install - Install kernel usi << 360 echo ' (your) ~/bin/$(INS << 361 echo ' (distribution) /sb << 362 echo ' install to $$(INST << 363 echo ' *_defconfig - Select default con << 364 echo '' << 365 echo ' Targets with <dt> embed a device tre << 366 echo ' These targets support board with fir << 367 echo ' support passing a device tree direct << 368 echo ' name of a dts file from the arch/pow << 369 echo ' (minus the .dts extension).' << 370 echo << 371 $(foreach cfg,$(generated_configs), << 372 printf " %-27s - Build for %s\\n" $(cfg) << 373 endef << 374 << 375 PHONY += install << 376 install: 73 install: 377 $(call cmd,install) 74 $(call cmd,install) 378 75 379 ifeq ($(KBUILD_EXTMOD),) << 380 # We need to generate vdso-offsets.h before co << 381 # In order to do that, we should use the archp << 382 # asm-offsets.h is included in some files used << 383 # asm-offsets.h is built in prepare0, for whic << 384 # Therefore we need to generate the header aft << 385 # this hack. << 386 prepare: vdso_prepare << 387 vdso_prepare: prepare0 << 388 $(if $(CONFIG_VDSO32),$(Q)$(MAKE) \ << 389 $(build)=arch/powerpc/kernel/v << 390 $(if $(CONFIG_PPC64),$(Q)$(MAKE) \ << 391 $(build)=arch/powerpc/kernel/v << 392 endif << 393 << 394 archprepare: checkbin << 395 << 396 archheaders: 76 archheaders: 397 $(Q)$(MAKE) $(build)=arch/powerpc/kern !! 77 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all 398 78 399 ifdef CONFIG_STACKPROTECTOR !! 79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/vdso/vdso64.so.dbg 400 prepare: stack_protector_prepare !! 80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/vdso/vdso32.so.dbg 401 81 402 PHONY += stack_protector_prepare !! 82 # This is the image used for packaging 403 stack_protector_prepare: prepare0 !! 83 KBUILD_IMAGE := $(boot)/zImage 404 ifdef CONFIG_PPC64 << 405 $(eval KBUILD_CFLAGS += -mstack-protec << 406 else << 407 $(eval KBUILD_CFLAGS += -mstack-protec << 408 endif << 409 endif << 410 84 411 PHONY += checkbin !! 85 # Don't use tabs in echo arguments. 412 checkbin: !! 86 define archhelp 413 @if test "x${CONFIG_FTRACE_MCOUNT_USE_ !! 87 echo '* vmlinux - standard SPARC kernel' 414 "x${CONFIG_LD_IS_BFD}" = "xy" !! 88 echo ' image - kernel image ($(boot)/image)' 415 "${CONFIG_LD_VERSION}" = "2370 !! 89 echo '* zImage - stripped/compressed kernel image ($(boot)/zImage)' 416 echo -n '*** binutils 2.37 dro !! 90 echo ' uImage - U-Boot SPARC32 Image (only for LEON)' 417 echo 'is unable to handle.' ; !! 91 echo ' vmlinux.aout - a.out kernel for SPARC64' 418 echo '*** Please use a differe !! 92 echo ' tftpboot.img - image prepared for tftp' 419 false ; \ !! 93 endef 420 fi <<
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