1rule ArchitectureSetup architecture 2{ 3 # ArchitectureSetup <architecture> ; 4 # 5 # Initializes all global packaging architecture dependent variables for the 6 # given packaging architecture. Also sets HAIKU_ARCH (to the primary 7 # architecture), if this is the first invocation of the rule, and adds 8 # the architecture to HAIKU_ARCHS, if not yet contained. 9 10 # enable GCC -pipe option, if requested 11 local ccBaseFlags ; 12 if $(HAIKU_USE_GCC_PIPE) = 1 { 13 ccBaseFlags = -pipe ; 14 } 15 16 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 { 17 # disable strict aliasing on anything newer than gcc 2 as it may lead to 18 # unexpected results. 19 # TODO: remove the -fno-strict-aliasing option when all code has been 20 # analyzed/fixed with regard to aliasing. 21 ccBaseFlags += -fno-strict-aliasing ; 22 23 # Without this flag, GCC deletes many null-pointer checks that are 24 # technically undefined behavior (e.g. passing NULL to strdup, among 25 # others), which breaks both the kernel and various applications. See: 26 # - https://freelists.org/post/haiku-development/hrev45320-Yet-another-nonobvious-effect-of-ftreevrp-optimization 27 # - https://dev.haiku-os.org/ticket/13285#comment:8 (& subsequent comments) 28 # - https://dev.haiku-os.org/ticket/10803#comment:4 (& subsequent comments) 29 # Note that the Linux also does the same: 30 # - https://github.com/torvalds/linux/commit/a3ca86aea507904 31 ccBaseFlags += -fno-delete-null-pointer-checks ; 32 33 # disable some builtins that are incompatible with our definitions 34 ccBaseFlags += -fno-builtin-fork -fno-builtin-vfork ; 35 } 36 37 # default architecture tuning 38 local cpu = $(HAIKU_CPU_$(architecture)) ; 39 local archFlags ; 40 switch $(cpu) { 41 case ppc : archFlags += -mcpu=440fp ; 42 case arm : archFlags += -march=armv7-a -mfloat-abi=hard ; 43 case arm64 : archFlags += -march=armv8.2-a+fp16 ; 44 case x86 : archFlags += -march=pentium ; 45 case riscv64 : archFlags += -march=rv64gc ; 46 } 47 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 48 # TODO: These should be included in Clang's compiler specs. 49 ccBaseFlags += -fPIC ; 50 HAIKU_LINKFLAGS_$(architecture) += -shared ; 51 } 52 ccBaseFlags += $(archFlags) ; 53 54 # activating graphite optimizations 55 if $(HAIKU_USE_GCC_GRAPHITE_$(architecture)) = 1 { 56 ccBaseFlags += -floop-nest-optimize -fgraphite-identity ; 57 } 58 59 # initial state for flags etc. 60 HAIKU_C++_$(architecture) ?= $(HAIKU_CC_$(architecture)) ; 61 HAIKU_LINK_$(architecture) ?= $(HAIKU_CC_$(architecture)) ; 62 63 HAIKU_CCFLAGS_$(architecture) += $(ccBaseFlags) -nostdinc ; 64 HAIKU_C++FLAGS_$(architecture) += $(ccBaseFlags) -nostdinc ; 65 HAIKU_LINKFLAGS_$(architecture) += $(ccBaseFlags) ; 66 HAIKU_ASFLAGS_$(architecture) += $(archFlags) -nostdinc ; 67 68 # strip is required 69 if ! $(HAIKU_STRIP_$(architecture)) { 70 Exit "HAIKU_STRIP_$(architecture) not set. Please re-run configure." ; 71 } 72 73 HAIKU_ARCH_$(architecture) = $(cpu) ; 74 HAIKU_ARCH ?= $(cpu) ; 75 # Set only, if not set yet. This way HAIKU_ARCH is set to the primary 76 # architecture. 77 if ! $(cpu) in $(HAIKU_ARCHS) { 78 HAIKU_ARCHS += $(cpu) ; 79 } 80 HAIKU_DEFINES_$(architecture) += ARCH_$(cpu) ; 81 82 # directories 83 HAIKU_ARCH_OBJECT_DIR_$(architecture) 84 = [ FDirName $(HAIKU_OBJECT_BASE_DIR) $(architecture) ] ; 85 HAIKU_COMMON_DEBUG_OBJECT_DIR_$(architecture) 86 = [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) common ] ; 87 HAIKU_DEBUG_0_OBJECT_DIR_$(architecture) 88 = [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) release ] ; 89 90 local level ; 91 for level in $(HAIKU_DEBUG_LEVELS[2-]) { 92 HAIKU_DEBUG_$(level)_OBJECT_DIR_$(architecture) 93 = [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) 94 debug_$(level) ] ; 95 } 96 97 # set variables for gcc header options 98 SetIncludePropertiesVariables HAIKU : _$(architecture) ; 99 100 # warning flags 101 HAIKU_WARNING_CCFLAGS_$(architecture) = -Wall 102 -Wno-multichar 103 -Wpointer-arith -Wsign-compare 104 -Wmissing-prototypes ; 105 HAIKU_WARNING_C++FLAGS_$(architecture) = -Wall 106 -Wno-multichar 107 -Wpointer-arith -Wsign-compare 108 -Wno-ctor-dtor-privacy -Woverloaded-virtual ; 109 110 # disable some Clang warnings that are not very useful 111 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 112 HAIKU_WARNING_CCFLAGS_$(architecture) += -Wno-address-of-packed-member 113 -Wno-unused-private-field -Wno-cast-align -Wno-gnu-designator 114 -Wno-builtin-requires-header ; 115 HAIKU_WARNING_C++FLAGS_$(architecture) += -Wno-address-of-packed-member 116 -Wno-unused-private-field -Wno-cast-align -Wno-gnu-designator 117 -Wno-builtin-requires-header ; 118 } 119 120 HAIKU_WERROR_FLAGS_$(architecture) = ; 121 122 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 { 123 # TODO: Remove all these. 124 HAIKU_WERROR_FLAGS_$(architecture) += -Wno-error=unused-but-set-variable 125 -Wno-error=deprecated -Wno-error=deprecated-declarations 126 -Wno-error=cpp -Wno-error=trigraphs -Wno-error=register ; 127 # These currently generate too many "false positives." 128 #HAIKU_WERROR_FLAGS_$(architecture) += -Wno-error=address-of-packed-member ; 129 # But these can stay. 130 HAIKU_WERROR_FLAGS_$(architecture) += -Wno-error=cast-align 131 -Wno-error=format-truncation ; 132 } 133 134 # debug flags 135 local debugFlags = -ggdb ; 136 137 # debug 0: suppress asserts 138 HAIKU_DEBUG_0_CCFLAGS_$(architecture) = [ FDefines NDEBUG=$(NDEBUG) ] ; 139 HAIKU_DEBUG_0_C++FLAGS_$(architecture) = [ FDefines NDEBUG=$(NDEBUG) ] ; 140 141 local level ; 142 for level in $(HAIKU_DEBUG_LEVELS[2-]) { 143 local flags = $(debugFlags) [ FDefines DEBUG=$(level) ] ; 144 HAIKU_DEBUG_$(level)_CCFLAGS_$(architecture) = $(flags) ; 145 HAIKU_DEBUG_$(level)_C++FLAGS_$(architecture) = $(flags) ; 146 } 147 148 # TODO: Temporary work-around. Should be defined in the compiler specs 149 HAIKU_LINKFLAGS_$(architecture) += -Xlinker --no-undefined ; 150 151 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) = 1 { 152 HAIKU_DEFINES_$(architecture) += _BEOS_R5_COMPATIBLE_ ; 153 } 154 155 # private shared kernel/libroot headers 156 HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture) 157 = [ PrivateHeaders $(DOT) system system/arch/$(cpu) ] ; 158 159 # library and executable glue code 160 local commonGlueCode = 161 <src!system!glue!$(architecture)>init_term_dyn.o 162 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 163 <src!system!glue!arch!$(cpu)!$(architecture)>crtn.o 164 ; 165 HAIKU_LIBRARY_BEGIN_GLUE_CODE_$(architecture) = 166 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 167 <$(architecture)>crtbeginS.o 168 <src!system!glue!$(architecture)>init_term_dyn.o 169 ; 170 HAIKU_LIBRARY_END_GLUE_CODE_$(architecture) = 171 <$(architecture)>crtendS.o 172 <src!system!glue!arch!$(cpu)!$(architecture)>crtn.o 173 ; 174 HAIKU_EXECUTABLE_BEGIN_GLUE_CODE_$(architecture) = 175 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 176 <$(architecture)>crtbeginS.o 177 <src!system!glue!$(architecture)>start_dyn.o 178 <src!system!glue!$(architecture)>init_term_dyn.o 179 ; 180 HAIKU_EXECUTABLE_END_GLUE_CODE_$(architecture) 181 = $(HAIKU_LIBRARY_END_GLUE_CODE_$(architecture)) ; 182 183 SEARCH on <$(architecture)>crtbeginS.o <$(architecture)>crtendS.o 184 = $(HAIKU_GCC_LIB_DIR_$(architecture)) ; 185 186 # init library name map 187 local libraryGrist = "" ; 188 if $(architecture) != $(HAIKU_PACKAGING_ARCHS[1]) { 189 libraryGrist = $(architecture) ; 190 } 191 local i ; 192 for i in be bnetapi debug device game locale mail media midi midi2 193 network package root screensaver textencoding tracker 194 translation z { 195 local library = lib$(i).so ; 196 HAIKU_LIBRARY_NAME_MAP_$(architecture)_$(i) 197 = $(library:G=$(libraryGrist)) ; 198 } 199 HAIKU_LIBRARY_NAME_MAP_$(architecture)_localestub 200 = <$(architecture)>liblocalestub.a ; 201 HAIKU_LIBRARY_NAME_MAP_$(architecture)_shared 202 = <$(architecture)>libshared.a ; 203 if $(architecture) = $(HAIKU_PACKAGING_ARCHS[1]) { 204 HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server 205 = <nogrist>input_server ; 206 } else { 207 HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server 208 = <$(architecture)>input_server ; 209 } 210} 211 212 213rule KernelArchitectureSetup architecture 214{ 215 # KernelArchitectureSetup <architecture> ; 216 # 217 # Initializes the global kernel and boot loader related variables. Those 218 # don't have a packaging architecture suffix, since they are only set for 219 # the primary packaging architecture. <architecture> is the primary 220 # packaging architecture (supplied for convenience). 221 222 HAIKU_KERNEL_ARCH = $(HAIKU_ARCH) ; 223 HAIKU_KERNEL_ARCH_DIR = $(HAIKU_KERNEL_ARCH) ; 224 225 local cpu = $(HAIKU_CPU_$(architecture)) ; 226 227 switch $(cpu) { 228 case ppc : 229 HAIKU_KERNEL_PLATFORM ?= openfirmware ; 230 HAIKU_BOOT_TARGETS += openfirmware ; 231 232 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 233 # offset in floppy image (>= sizeof(haiku_loader)) 234 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 235 236 case sparc : 237 HAIKU_KERNEL_PLATFORM ?= openfirmware ; 238 HAIKU_BOOT_TARGETS += openfirmware ; 239 240 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 241 # offset in floppy image (>= sizeof(haiku_loader)) 242 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 243 244 case arm : 245 HAIKU_KERNEL_PLATFORM ?= efi ; 246 HAIKU_BOOT_TARGETS += efi ; 247 248 # SOC's like allwinner need an offset to skip the hardcoded initial loader 249 HAIKU_BOOT_SDIMAGE_BEGIN = 20475 ; # in KiB 250 251 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 252 # offset in floppy image (>= sizeof(haiku_loader)) 253 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 254 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 255 256 case arm64 : 257 HAIKU_KERNEL_PLATFORM ?= efi ; 258 HAIKU_BOOT_TARGETS += efi ; 259 260 HAIKU_BOOT_SDIMAGE_BEGIN = 2 ; # in KiB 261 262 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 263 # offset in floppy image (>= sizeof(haiku_loader)) 264 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 265 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 266 267 case x86 : 268 HAIKU_KERNEL_PLATFORM ?= bios_ia32 ; 269 HAIKU_BOOT_TARGETS += bios_ia32 pxe_ia32 ; 270 HAIKU_ANYBOOT_LEGACY = 1 ; 271 272 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB 273 # offset in floppy image (>= sizeof(haiku_loader)) 274 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 275 276 # nasm is required for target arch x86 277 if ! $(HAIKU_NASM) { 278 Exit "HAIKU_NASM not set. Please re-run configure." ; 279 } 280 281 case riscv64 : 282 HAIKU_KERNEL_PLATFORM ?= efi ; 283 HAIKU_BOOT_TARGETS += efi riscv ; 284 285 HAIKU_BOOT_SDIMAGE_BEGIN = 2 ; # KiB 286 287 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 288 # offset in floppy image (>= sizeof(haiku_loader)) 289 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 290 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 291 292 case x86_64 : 293 # x86_64 completely shares the x86 bootloader for MBR. 294 HAIKU_KERNEL_PLATFORM ?= bios_ia32 ; 295 HAIKU_BOOT_TARGETS += bios_ia32 efi pxe_ia32 ; 296 297 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB 298 # offset in floppy image (>= sizeof(haiku_loader)) 299 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 300 301 # x86_64 kernel source is under arch/x86. 302 HAIKU_KERNEL_ARCH_DIR = x86 ; 303 304 # nasm is required for target arch x86_64 305 if ! $(HAIKU_NASM) { 306 Exit "HAIKU_NASM not set. Please re-run configure." ; 307 } 308 309 case m68k : 310 HAIKU_KERNEL_PLATFORM ?= atari_m68k ; 311 HAIKU_BOOT_TARGETS += amiga_m68k atari_m68k next_m68k ; 312 switch $(HAIKU_KERNEL_PLATFORM) { 313 case atari_m68k : 314 { 315 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 316 } 317 case amiga_m68k : 318 { 319 # for now we have trouble reading from double-sided images 320 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 880 ; # in kB 321 } 322 case next_m68k : 323 { 324 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 325 } 326 } 327 # offset in floppy image (>= sizeof(haiku_loader)) 328 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 260 ; # in kB 329 HAIKU_CONTAINER_STRIP_EXECUTABLES on 330 $(HAIKU_FLOPPY_BOOT_IMAGE_CONTAINER_NAME) = 1 ; 331 332 case * : 333 Exit "Currently unsupported target CPU:" $(cpu) ; 334 } 335 336 # private kernel headers to be used when compiling kernel code 337 HAIKU_PRIVATE_KERNEL_HEADERS = 338 [ PrivateHeaders $(DOT) kernel libroot shared 339 kernel/boot/platform/$(HAIKU_KERNEL_PLATFORM) ] 340 [ ArchHeaders $(HAIKU_KERNEL_ARCH_DIR) ] 341 [ FDirName $(HAIKU_COMMON_DEBUG_OBJECT_DIR_$(architecture)) system 342 kernel ] 343 $(HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture)) 344 ; 345 346 # C/C++ flags 347 local ccBaseFlags = -finline -fno-builtin -Wno-main ; 348 349 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 { 350 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 351 # Clang does not yet understand this flag. 352 ccBaseFlags += -fno-semantic-interposition ; 353 } 354 355 ccBaseFlags += -ffreestanding ; 356 } 357 358 local c++BaseFlags = $(ccBaseFlags) -fno-exceptions ; 359 360 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 361 && $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 362 c++BaseFlags += -fno-use-cxa-atexit ; 363 } 364 365 HAIKU_KERNEL_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ; 366 HAIKU_KERNEL_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ; 367 HAIKU_KERNEL_PIC_CCFLAGS = ; 368 HAIKU_KERNEL_PIC_LINKFLAGS = ; 369 HAIKU_KERNEL_ADDON_LINKFLAGS = ; 370 371 # Common boot-related cflags which apply to all loaders 372 HAIKU_BOOT_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ; 373 HAIKU_BOOT_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ; 374 HAIKU_BOOT_LINKFLAGS = ; 375 HAIKU_BOOT_LDFLAGS = -Bstatic ; 376 377 # Remove -fPIC and other unwanted options from the BOOT flags (they are sometimes 378 # added to force PIC in general.) 379 local fixedBootCCFlags ; 380 local fixedBootC++Flags ; 381 for flag in $(HAIKU_BOOT_CCFLAGS) { 382 if $(flag) = "-fpic" || $(flag) = "-fPIC" { 383 continue ; 384 } 385 fixedBootCCFlags += $(flag) ; 386 } 387 for flag in $(HAIKU_BOOT_C++FLAGS) { 388 if $(flag) = "-fpic" || $(flag) = "-fPIC" { 389 continue ; 390 } 391 fixedBootC++Flags += $(flag) ; 392 } 393 HAIKU_BOOT_CCFLAGS = $(fixedBootCCFlags) ; 394 HAIKU_BOOT_C++FLAGS = $(fixedBootC++Flags) ; 395 396 # Any special kernel base addresses 397 if $(HAIKU_BOOT_LOADER_BASE) { 398 HAIKU_BOOT_LDFLAGS += 399 --defsym BOOT_LOADER_BASE=$(HAIKU_BOOT_LOADER_BASE) ; 400 } 401 402 switch $(cpu) { 403 case arm : 404 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 405 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 406 HAIKU_KERNEL_PIC_CCFLAGS = -fpic ; 407 HAIKU_KERNEL_PIC_LINKFLAGS = -shared ; 408 409 case arm64 : 410 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 411 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 412 HAIKU_KERNEL_PIC_CCFLAGS = -fpic ; 413 HAIKU_KERNEL_PIC_LINKFLAGS = -shared ; 414 415 case m68k : 416 # We don't want to have to handle emulating missing FPU opcodes for 417 # 040 and 060 in the kernel. 418 HAIKU_KERNEL_CCFLAGS += -m68020-60 ; 419 HAIKU_KERNEL_C++FLAGS += -m68020-60 ; 420 421 case ppc : 422 # Build a position independent PPC kernel. We need to be able to 423 # relocate the kernel, since the virtual address space layout at 424 # boot time is not fixed. 425 HAIKU_KERNEL_PIC_CCFLAGS = -fPIE ; 426 HAIKU_KERNEL_PIC_LINKFLAGS = -shared -fPIE ; 427 428 case riscv64 : 429 # Kernel lives within any single 2 GiB address space. 430 # Default is medlow (-2GiB / +2GiB) 431 HAIKU_KERNEL_CCFLAGS += -mcmodel=medany -fpic ; 432 HAIKU_KERNEL_C++FLAGS += -mcmodel=medany -fpic ; 433 HAIKU_KERNEL_PIC_LINKFLAGS = -shared ; 434 435 case sparc : 436 # The medlow code model is enough (64-bit addresses, programs must 437 # be linked in the low 32 bits of memory. Programs can be 438 # statically or dynamically linked.) 439 HAIKU_KERNEL_CCFLAGS += -mcmodel=medlow ; 440 HAIKU_KERNEL_C++FLAGS += -mcmodel=medlow ; 441 442 # Unfortunately it's not easy to make the kernel be 443 # position-independant, on sparc, that requires relocation support 444 # in the ELF loader to fill in the plt section. 445 HAIKU_KERNEL_PIC_CCFLAGS = -fPIE ; 446 HAIKU_KERNEL_PIC_LINKFLAGS = -shared -fPIE ; 447 448 case x86 : 449 HAIKU_KERNEL_PIC_CCFLAGS = -fno-pic ; 450 HAIKU_KERNEL_CCFLAGS += -march=pentium ; 451 HAIKU_KERNEL_C++FLAGS += -march=pentium ; 452 453 case x86_64 : 454 # Kernel lives in the top 2GB of the address space, use kernel code 455 # model. 456 HAIKU_KERNEL_PIC_CCFLAGS = -fno-pic -mcmodel=kernel ; 457 458 # Disable the red zone, which cannot be used in kernel code due to 459 # interrupts, and always enable the frame pointer so stack traces 460 # are correct. 461 HAIKU_KERNEL_CCFLAGS += -mno-red-zone -fno-omit-frame-pointer ; 462 HAIKU_KERNEL_C++FLAGS += -mno-red-zone -fno-omit-frame-pointer ; 463 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 464 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 465 466 if x86 in $(HAIKU_ARCHS[2-]) || x86_gcc2 in $(HAIKU_ARCHS[2-]) { 467 Echo "Enable kernel ia32 compatibility" ; 468 HAIKU_KERNEL_DEFINES += _COMPAT_MODE ; 469 HAIKU_KERNEL_COMPAT_MODE = 1 ; 470 } 471 } 472 473 # bootloader-centric flags 474 HAIKU_BOOT_CCFLAGS 475 += -DBOOT_ARCHIVE_IMAGE_OFFSET=$(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ; 476 HAIKU_BOOT_C++FLAGS 477 += -DBOOT_ARCHIVE_IMAGE_OFFSET=$(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ; 478 479 local bootTarget ; 480 for bootTarget in $(HAIKU_BOOT_TARGETS) { 481 switch $(bootTarget) { 482 case efi : 483 # efi bootloader is PIC 484 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fpic -fno-stack-protector 485 -fPIC -fshort-wchar -Wno-error=unused-variable -Wno-error=main ; 486 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fpic -fno-stack-protector 487 -fPIC -fshort-wchar -Wno-error=unused-variable -Wno-error=main ; 488 switch $(cpu) { 489 case x86 : 490 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 491 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -maccumulate-outgoing-args ; 492 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -maccumulate-outgoing-args ; 493 } 494 case x86_64 : 495 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -mno-red-zone ; 496 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -mno-red-zone ; 497 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 498 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -maccumulate-outgoing-args ; 499 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -maccumulate-outgoing-args ; 500 } 501 } 502 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS = -Bstatic -Bsymbolic 503 -nostdlib -znocombreloc -no-undefined ; 504 case bios_ia32 : 505 # bios_ia32 is non-PIC 506 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -march=pentium ; 507 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -march=pentium ; 508 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 509 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386 ; 510 } else { 511 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386_haiku ; 512 } 513 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 { 514 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -Wno-error=main -m32 ; 515 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -Wno-error=main -m32 ; 516 } 517 case pxe_ia32 : 518 # pxe_ia32 is non-PIC 519 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -march=pentium ; 520 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -march=pentium ; 521 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 522 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386 ; 523 } else { 524 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386_haiku ; 525 } 526 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 { 527 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -Wno-error=main -m32 ; 528 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -Wno-error=main -m32 ; 529 } 530 case *_m68k : 531 # TODO: make sure all m68k bootloaders are non-PIC 532 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -Wno-error=main ; 533 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -Wno-error=main ; 534 switch $(cpu) { 535 case m68k : 536 # use only common instructions by default 537 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -m68020-60 ; 538 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -m68020-60 ; 539 # TODO: coldfire (FireBee) 540 } 541 case riscv : 542 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -mcmodel=medany -fno-omit-frame-pointer -fno-plt -fno-pic -fno-semantic-interposition ; 543 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -mcmodel=medany -fno-omit-frame-pointer -fno-plt -fno-pic -fno-semantic-interposition ; 544 case openfirmware : 545 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -fno-semantic-interposition -Wno-error=main -Wstack-usage=1023 ; 546 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -fno-semantic-interposition -Wno-error=main -Wstack-usage=1023 ; 547 case * : 548 # all other bootloaders are non-PIC 549 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -Wno-error=main ; 550 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -Wno-error=main ; 551 } 552 } 553 554 # warning flags 555 HAIKU_KERNEL_WARNING_CCFLAGS = $(HAIKU_WARNING_CCFLAGS_$(architecture)) ; 556 HAIKU_KERNEL_WARNING_C++FLAGS = $(HAIKU_WARNING_C++FLAGS_$(architecture)) ; 557 558 # debug flags 559 local level ; 560 for level in $(HAIKU_DEBUG_LEVELS) { 561 local flags = $(HAIKU_DEBUG_FLAGS) [ FDefines DEBUG=$(level) ] ; 562 HAIKU_KERNEL_DEBUG_$(level)_CCFLAGS 563 = $(HAIKU_DEBUG_$(level)_CCFLAGS_$(architecture)) ; 564 HAIKU_KERNEL_DEBUG_$(level)_C++FLAGS 565 = $(HAIKU_DEBUG_$(level)_C++FLAGS_$(architecture)) ; 566 } 567 568 # defines 569 HAIKU_KERNEL_DEFINES += _KERNEL_MODE ; 570 571 # kernel add-on glue code 572 HAIKU_KERNEL_ADDON_BEGIN_GLUE_CODE = <$(architecture)>crtbeginS.o 573 <src!system!glue!$(architecture)>haiku_version_glue.o ; 574 HAIKU_KERNEL_ADDON_END_GLUE_CODE = <$(architecture)>crtendS.o ; 575} 576 577 578rule ArchitectureSetupWarnings architecture 579{ 580 # ArchitectureSetupWarnings <architecture> ; 581 # 582 # Sets up compiler warnings and error flags for various subdirectories for 583 # the given packaging architecture. 584 585 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 586 AppendToConfigVar CCFLAGS : 587 HAIKU_TOP src system libroot posix glibc : 588 -fgnu89-inline -fheinous-gnu-extensions : global ; 589 } 590 591 local cpu = $(HAIKU_CPU_$(architecture)) ; 592 switch $(cpu) { 593 case arm : 594 return ; 595 # we use #warning as placeholders for things to write... 596 case m68k : 597 return ; 598 # we use #warning as placeholders for things to write... 599 case ppc : 600 return ; 601 # we use #warning as placeholders for things to write... 602 } 603 604 # enable -Werror for certain parts of the source tree 605 HAIKU_WERROR_ARCH = $(architecture) ; 606 607 rule EnableWerror dirTokens : scope { 608 # Clang gives way more warnings than GCC, so that code won't compile 609 # with -Werror when using Clang. 610 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 611 SetConfigVar WARNINGS : HAIKU_TOP $(dirTokens) : treatAsErrors 612 : $(scope) ; 613 } 614 } 615 616 rule EnableStackProtector dirTokens : scope { 617 # enable stack protector, if requested 618 if $(HAIKU_USE_STACK_PROTECTOR) = 1 { 619 AppendToConfigVar CCFLAGS : HAIKU_TOP $(dirTokens) : 620 -fstack-protector : $(scope) ; 621 AppendToConfigVar C++FLAGS : HAIKU_TOP $(dirTokens) : 622 -fstack-protector : $(scope) ; 623 } 624 } 625 626 # Work-around for GCC 2 problem -- despite -Wno-multichar it reports 627 # multichar warnings in headers/private/kernel/debugger_keymaps.h included 628 # by src/system/kernel/arch/x86/arch_debug_console.cpp. 629 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) = 1 { 630 local file = <src!system!kernel!arch!x86>arch_debug_console.o ; 631 WARNINGS on $(file) = $(WARNINGS) ; 632 } 633 634 EnableWerror src add-ons accelerants ; 635 EnableWerror src add-ons bluetooth ; 636 EnableWerror src add-ons decorators ; 637 EnableWerror src add-ons disk_systems ; 638 EnableWerror src add-ons input_server devices ; 639 EnableWerror src add-ons input_server filters ; 640 EnableWerror src add-ons input_server methods pen ; 641 EnableWerror src add-ons input_server methods t9 ; 642 EnableWerror src add-ons kernel bluetooth ; 643 EnableWerror src add-ons kernel bus_managers acpi ; 644 EnableWerror src add-ons kernel bus_managers agp_gart ; 645 EnableWerror src add-ons kernel bus_managers ata ; 646 EnableWerror src add-ons kernel bus_managers config_manager ; 647 EnableWerror src add-ons kernel bus_managers firewire ; 648 EnableWerror src add-ons kernel bus_managers ide ; 649 EnableWerror src add-ons kernel bus_managers isa ; 650 EnableWerror src add-ons kernel bus_managers pci ; 651 EnableWerror src add-ons kernel bus_managers ps2 ; 652 EnableWerror src add-ons kernel bus_managers random ; 653 EnableWerror src add-ons kernel bus_managers scsi ; 654 EnableWerror src add-ons kernel bus_managers tty ; 655 EnableWerror src add-ons kernel bus_managers usb ; 656 EnableWerror src add-ons kernel bus_managers virtio ; 657 EnableWerror src add-ons kernel busses agp_gart ; 658 EnableWerror src add-ons kernel busses ata ; 659# EnableWerror src add-ons kernel busses i2c ; 660# EnableWerror src add-ons kernel busses mmc ; 661# EnableWerror src add-ons kernel busses random ; 662 EnableWerror src add-ons kernel busses scsi ; 663 EnableWerror src add-ons kernel busses usb ; 664# EnableWerror src add-ons kernel busses virtio ; 665 EnableWerror src add-ons kernel console ; 666 EnableWerror src add-ons kernel cpu ; 667 EnableWerror src add-ons kernel debugger ; 668# EnableWerror src add-ons kernel drivers audio ; 669 EnableWerror src add-ons kernel drivers bluetooth ; 670 EnableWerror src add-ons kernel drivers bus ; 671 EnableWerror src add-ons kernel drivers common ; 672# EnableWerror src add-ons kernel drivers disk ; 673 EnableWerror src add-ons kernel drivers dvb ; 674# EnableWerror src add-ons kernel drivers graphics ; 675 EnableWerror src add-ons kernel drivers graphics intel_extreme ; 676 EnableWerror src add-ons kernel drivers input ; 677 EnableWerror src add-ons kernel drivers joystick ; 678 EnableWerror src add-ons kernel drivers midi ; 679 EnableWerror src add-ons kernel drivers misc ; 680# EnableWerror src add-ons kernel drivers network ; 681 EnableWerror src add-ons kernel drivers ports ; 682 EnableWerror src add-ons kernel drivers power ; 683 EnableWerror src add-ons kernel drivers printer ; 684 EnableWerror src add-ons kernel drivers random ; 685 EnableWerror src add-ons kernel drivers tty ; 686 EnableWerror src add-ons kernel drivers video ; 687 EnableWerror src add-ons kernel file_systems bfs ; 688 EnableWerror src add-ons kernel file_systems cdda ; 689 EnableWerror src add-ons kernel file_systems ext2 ; 690# EnableWerror src add-ons kernel file_systems fat ; 691 EnableWerror src add-ons kernel file_systems googlefs ; 692 EnableWerror src add-ons kernel file_systems iso9660 ; 693 EnableWerror src add-ons kernel file_systems layers ; 694# EnableWerror src add-ons kernel file_systems netfs ; 695# EnableWerror src add-ons kernel file_systems nfs ; 696 EnableWerror src add-ons kernel file_systems nfs4 ; 697# EnableWerror src add-ons kernel file_systems ntfs ; 698 EnableWerror src add-ons kernel file_systems packagefs ; 699# EnableWerror src add-ons kernel file_systems ramfs ; 700# EnableWerror src add-ons kernel file_systems reiserfs ; 701 EnableWerror src add-ons kernel file_systems udf ; 702 EnableWerror src add-ons kernel file_systems userlandfs ; 703 EnableWerror src add-ons kernel generic ; 704 EnableWerror src add-ons kernel network ; 705 EnableWerror src add-ons kernel partitioning_systems ; 706 EnableWerror src add-ons kernel power ; 707 EnableWerror src add-ons locale ; 708 EnableWerror src add-ons mail_daemon ; 709 EnableWerror src add-ons media media-add-ons demultiplexer ; 710 EnableWerror src add-ons media media-add-ons dvb ; 711 EnableWerror src add-ons media media-add-ons esound_sink ; 712 EnableWerror src add-ons media media-add-ons finepix_webcam ; 713 EnableWerror src add-ons media media-add-ons firewire_dv ; 714 EnableWerror src add-ons media media-add-ons legacy ; 715 EnableWerror src add-ons media media-add-ons mixer ; 716 EnableWerror src add-ons media media-add-ons multi_audio ; 717 EnableWerror src add-ons media media-add-ons opensound ; 718 EnableWerror src add-ons media media-add-ons radeon ; 719 EnableWerror src add-ons media media-add-ons reader ; 720 EnableWerror src add-ons media media-add-ons tone_producer_demo ; 721 EnableWerror src add-ons media media-add-ons usb_vision ; 722 EnableWerror src add-ons media media-add-ons usb_webcam ; 723 EnableWerror src add-ons media media-add-ons video_mixer ; 724 EnableWerror src add-ons media media-add-ons video_producer_demo ; 725 EnableWerror src add-ons media media-add-ons videowindow ; 726 EnableWerror src add-ons media media-add-ons writer ; 727 EnableWerror src add-ons media plugins ape_reader ; 728 EnableWerror src add-ons media plugins au_reader ; 729# EnableWerror src add-ons media plugins ffmpeg ; 730 EnableWerror src add-ons media plugins raw_decoder ; 731 EnableWerror src add-ons print ; 732 EnableWerror src add-ons screen_savers ; 733 EnableWerror src add-ons tracker ; 734 EnableWerror src add-ons translators bmp ; 735 EnableWerror src add-ons translators exr ; 736 EnableWerror src add-ons translators gif ; 737 EnableWerror src add-ons translators hvif ; 738 EnableWerror src add-ons translators ico ; 739 EnableWerror src add-ons translators jpeg ; 740# EnableWerror src add-ons translators jpeg2000 ; 741 EnableWerror src add-ons translators pcx ; 742 EnableWerror src add-ons translators png ; 743 EnableWerror src add-ons translators ppm ; 744 EnableWerror src add-ons translators raw ; 745 EnableWerror src add-ons translators rtf ; 746 EnableWerror src add-ons translators sgi ; 747 EnableWerror src add-ons translators shared ; 748 EnableWerror src add-ons translators stxt ; 749 EnableWerror src add-ons translators tga ; 750 EnableWerror src add-ons translators tiff ; 751 EnableWerror src add-ons translators wonderbrush ; 752 EnableWerror src add-ons print ; 753 EnableWerror src bin desklink ; 754 EnableWerror src bin multiuser ; 755 EnableWerror src bin package ; 756 EnableWerror src bin package_repo ; 757 EnableWerror src bin pkgman ; 758 EnableWerror src libs bsd ; 759 EnableWerror src apps ; 760 EnableWerror src kits ; 761 EnableWerror src preferences ; 762 EnableWerror src servers ; 763 EnableWerror src system boot ; 764 EnableWerror src system kernel ; 765 EnableWerror src system libroot add-ons ; 766 EnableWerror src system libroot os ; 767 EnableWerror src system libroot posix locale ; 768 EnableWerror src system libroot posix wchar ; 769 EnableWerror src system runtime_loader ; 770 771 EnableStackProtector src apps ; 772 EnableStackProtector src kits ; 773 EnableStackProtector src preferences ; 774 EnableStackProtector src servers ; 775 EnableStackProtector src system kernel ; 776} 777 778 779rule MultiArchIfPrimary ifValue : elseValue : architecture 780{ 781 # MultiArchIfPrimary <ifValue> : <elseValue> 782 # [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 783 # 784 # Returns one of the two given values depending on whether 785 # <architecture> is the primary packaging architecture. 786 787 architecture ?= $(TARGET_PACKAGING_ARCH) ; 788 789 if $(architecture) = $(TARGET_PACKAGING_ARCHS[1]) { 790 return $(ifValue) ; 791 } 792 return $(elseValue) ; 793} 794 795 796rule MultiArchConditionalGristFiles files : primaryGrist : secondaryGrist 797 : architecture 798{ 799 # MultiArchConditionalGristFiles <files> : <primaryGrist> 800 # : <secondaryGrist> [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 801 # 802 # Returns <files> with their grist set to either <primaryGrist> or 803 # <secondaryGrist> depending on whether <architecture> is the primary 804 # packaging architecture. 805 806 architecture ?= $(TARGET_PACKAGING_ARCH) ; 807 808 local grist = [ MultiArchIfPrimary $(primaryGrist) : $(secondaryGrist) 809 : $(architecture) ] ; 810 return $(files:G=$(grist:E=)) ; 811} 812 813 814rule MultiArchDefaultGristFiles files : gristPrefix : architecture 815{ 816 # MultiArchDefaultGristFiles <files> : <gristPrefix> 817 # [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 818 # 819 # Convenient shorthand for MultiArchConditionalGristFiles for the common 820 # case that for a secondary packaging architecture the packaging 821 # architecture name shall be appended to the grist while it shall be omitted 822 # for the primary packaging architecture. IOW, if architecture is the 823 # primary packaging architecture, <files> are returned with their grist set 824 # to <gristPrefix>, otherwise <files> are returned with their grist set to 825 # <gristPrefix>!<architecture> respectively <architecture> (if <gristPrefix> 826 # is empty). 827 828 architecture ?= $(TARGET_PACKAGING_ARCH) ; 829 830 local secondaryGrist = $(gristPrefix)!$(architecture) ; 831 secondaryGrist ?= $(architecture) ; 832 833 return [ MultiArchConditionalGristFiles $(files) : $(gristPrefix) : 834 $(secondaryGrist) : $(architecture) ] ; 835} 836 837 838rule MultiArchSubDirSetup architectures 839{ 840 # MultiArchSubDirSetup <architectures> ; 841 # 842 # For each of the given packaging architectures <architectures> that are 843 # in the packaging architectures configured for the build (or all configured 844 # packaging architectures, if <architectures> is empty) an object is 845 # prepared that can be used for an "on ... { ... }" block to set up subdir 846 # variables for the respective packaging architecture. Most notably 847 # TARGET_PACKAGING_ARCH, TARGET_ARCH are set to the values for the 848 # respective packaging architecture. The per-subdir variables SOURCE_GRIST, 849 # LOCATE_TARGET, LOCATE_SOURCE, SEARCH_SOURCE, *_LOCATE_TARGET, are reset. 850 # All SUBDIR* and config variables are set to the values they had when this 851 # rule was invoked. 852 853 local result ; 854 architectures ?= $(TARGET_PACKAGING_ARCHS) ; 855 local architecture ; 856 for architecture in $(architectures) { 857 if ! $(architecture) in $(TARGET_PACKAGING_ARCHS) { 858 continue ; 859 } 860 861 local architectureObject = $(architecture:G=<arch-object>) ; 862 result += $(architectureObject) ; 863 864 # Set the variables that default to the values of the respective 865 # variables for the primary architecture. 866 TARGET_PACKAGING_ARCH on $(architectureObject) = $(architecture) ; 867 868 local var ; 869 for var in TARGET_ARCH { 870 $(var) on $(architectureObject) = $($(var)_$(architecture)) ; 871 } 872 873 # Clone the current config variable values and the variables SubDir 874 # resets. 875 for var in $(AUTO_SET_UP_CONFIG_VARIABLES) SUBDIR$(SUBDIRRESET) { 876 $(var) on $(architectureObject) = $($(var)) ; 877 } 878 879 # adjust SOURCE_GRIST and HDRGRIST 880 SOURCE_GRIST on $(architectureObject) 881 = $(SOURCE_GRIST:E=)!$(architecture) ; 882 883 HDRGRIST on $(architectureObject) 884 = $(HDRGRIST:E=)!$(architecture) ; 885 886 # Adjust the subdir's object dirs that are architecture dependent. To 887 # avoid duplicating the code from SetupObjectsDir, we call it. Since it 888 # sets global variables, we set these variables on our object, call 889 # SetupObjectsDir in an "on" block, and grab the new variable values. 890 local hostTarget = HOST TARGET ; 891 local objectDirVars = 892 COMMON_ARCH COMMON_DEBUG DEBUG_$(HAIKU_DEBUG_LEVELS) 893 ; 894 objectDirVars = 895 COMMON_PLATFORM_LOCATE_TARGET 896 $(hostTarget)_$(objectDirVars)_LOCATE_TARGET 897 LOCATE_TARGET 898 LOCATE_SOURCE 899 SEARCH_SOURCE 900 ; 901 902 for var in $(objectDirVars) { 903 $(var) on $(architectureObject) = ; 904 } 905 906 on $(architectureObject) { 907 SetupObjectsDir ; 908 909 for var in $(objectDirVars) { 910 $(var) on $(architectureObject) = $($(var)) ; 911 } 912 } 913 } 914 915 return $(result) ; 916} 917