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_$(architecture) += 113 -Wno-unused-private-field -Wno-gnu-designator 114 -Wno-builtin-requires-header ; 115 HAIKU_WARNING_C++FLAGS_$(architecture) += 116 -Wno-unused-private-field -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 -Wno-error=stringop-overread -Wno-error=array-bounds ; 130 # But these can stay. 131 HAIKU_WERROR_FLAGS_$(architecture) += -Wno-error=cast-align 132 -Wno-error=format-truncation ; 133 } 134 135 # debug flags 136 local debugFlags = -ggdb ; 137 138 # debug 0: suppress asserts 139 HAIKU_DEBUG_0_CCFLAGS_$(architecture) = [ FDefines NDEBUG=$(NDEBUG) ] ; 140 HAIKU_DEBUG_0_C++FLAGS_$(architecture) = [ FDefines NDEBUG=$(NDEBUG) ] ; 141 142 local level ; 143 for level in $(HAIKU_DEBUG_LEVELS[2-]) { 144 local flags = $(debugFlags) [ FDefines DEBUG=$(level) ] ; 145 HAIKU_DEBUG_$(level)_CCFLAGS_$(architecture) = $(flags) ; 146 HAIKU_DEBUG_$(level)_C++FLAGS_$(architecture) = $(flags) ; 147 } 148 149 # TODO: Temporary work-around. Should be defined in the compiler specs 150 HAIKU_LINKFLAGS_$(architecture) += -Xlinker --no-undefined ; 151 152 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) = 1 { 153 HAIKU_DEFINES_$(architecture) += _BEOS_R5_COMPATIBLE_ ; 154 } 155 156 # private shared kernel/libroot headers 157 HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture) 158 = [ PrivateHeaders $(DOT) system system/arch/$(cpu) ] ; 159 160 # library and executable glue code 161 local commonGlueCode = 162 <src!system!glue!$(architecture)>init_term_dyn.o 163 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 164 <src!system!glue!arch!$(cpu)!$(architecture)>crtn.o 165 ; 166 HAIKU_LIBRARY_BEGIN_GLUE_CODE_$(architecture) = 167 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 168 <$(architecture)>crtbeginS.o 169 <src!system!glue!$(architecture)>init_term_dyn.o 170 ; 171 HAIKU_LIBRARY_END_GLUE_CODE_$(architecture) = 172 <$(architecture)>crtendS.o 173 <src!system!glue!arch!$(cpu)!$(architecture)>crtn.o 174 ; 175 HAIKU_EXECUTABLE_BEGIN_GLUE_CODE_$(architecture) = 176 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 177 <$(architecture)>crtbeginS.o 178 <src!system!glue!$(architecture)>start_dyn.o 179 <src!system!glue!$(architecture)>init_term_dyn.o 180 ; 181 HAIKU_EXECUTABLE_END_GLUE_CODE_$(architecture) 182 = $(HAIKU_LIBRARY_END_GLUE_CODE_$(architecture)) ; 183 184 SEARCH on <$(architecture)>crtbeginS.o <$(architecture)>crtendS.o 185 = $(HAIKU_GCC_LIB_DIR_$(architecture)) ; 186 187 # init library name map 188 local libraryGrist = "" ; 189 if $(architecture) != $(HAIKU_PACKAGING_ARCHS[1]) { 190 libraryGrist = $(architecture) ; 191 } 192 local i ; 193 for i in be bnetapi debug device game locale mail media midi midi2 194 network package root screensaver textencoding tracker 195 translation z { 196 local library = lib$(i).so ; 197 HAIKU_LIBRARY_NAME_MAP_$(architecture)_$(i) 198 = $(library:G=$(libraryGrist)) ; 199 } 200 HAIKU_LIBRARY_NAME_MAP_$(architecture)_localestub 201 = <$(architecture)>liblocalestub.a ; 202 HAIKU_LIBRARY_NAME_MAP_$(architecture)_shared 203 = <$(architecture)>libshared.a ; 204 if $(architecture) = $(HAIKU_PACKAGING_ARCHS[1]) { 205 HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server 206 = <nogrist>input_server ; 207 } else { 208 HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server 209 = <$(architecture)>input_server ; 210 } 211} 212 213 214rule KernelArchitectureSetup architecture 215{ 216 # KernelArchitectureSetup <architecture> ; 217 # 218 # Initializes the global kernel and boot loader related variables. Those 219 # don't have a packaging architecture suffix, since they are only set for 220 # the primary packaging architecture. <architecture> is the primary 221 # packaging architecture (supplied for convenience). 222 223 HAIKU_KERNEL_ARCH = $(HAIKU_ARCH) ; 224 HAIKU_KERNEL_ARCH_DIR = $(HAIKU_KERNEL_ARCH) ; 225 226 local cpu = $(HAIKU_CPU_$(architecture)) ; 227 228 switch $(cpu) { 229 case ppc : 230 HAIKU_KERNEL_PLATFORM ?= openfirmware ; 231 HAIKU_BOOT_TARGETS += openfirmware ; 232 233 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 234 # offset in floppy image (>= sizeof(haiku_loader)) 235 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 236 237 case sparc : 238 HAIKU_KERNEL_PLATFORM ?= openfirmware ; 239 HAIKU_BOOT_TARGETS += openfirmware ; 240 241 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 242 # offset in floppy image (>= sizeof(haiku_loader)) 243 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 244 245 case arm : 246 HAIKU_KERNEL_PLATFORM ?= efi ; 247 HAIKU_BOOT_TARGETS += efi ; 248 249 # SOC's like allwinner need an offset to skip the hardcoded initial loader 250 HAIKU_BOOT_SDIMAGE_BEGIN = 20475 ; # in KiB 251 252 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 253 # offset in floppy image (>= sizeof(haiku_loader)) 254 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 255 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 256 257 case arm64 : 258 HAIKU_KERNEL_PLATFORM ?= efi ; 259 HAIKU_BOOT_TARGETS += efi ; 260 261 HAIKU_BOOT_SDIMAGE_BEGIN = 2 ; # in KiB 262 263 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 264 # offset in floppy image (>= sizeof(haiku_loader)) 265 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 266 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 267 268 case x86 : 269 HAIKU_KERNEL_PLATFORM ?= bios_ia32 ; 270 HAIKU_BOOT_TARGETS += bios_ia32 efi pxe_ia32 ; 271 HAIKU_ANYBOOT_LEGACY = 1 ; 272 273 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB 274 # offset in floppy image (>= sizeof(haiku_loader)) 275 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 276 277 # nasm is required for target arch x86 278 if ! $(HAIKU_NASM) { 279 Exit "HAIKU_NASM not set. Please re-run configure." ; 280 } 281 282 case riscv64 : 283 HAIKU_KERNEL_PLATFORM ?= efi ; 284 HAIKU_BOOT_TARGETS += efi riscv ; 285 286 HAIKU_BOOT_SDIMAGE_BEGIN = 2 ; # KiB 287 288 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 289 # offset in floppy image (>= sizeof(haiku_loader)) 290 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 291 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 292 293 case x86_64 : 294 # x86_64 completely shares the x86 bootloader for MBR. 295 HAIKU_KERNEL_PLATFORM ?= bios_ia32 ; 296 HAIKU_BOOT_TARGETS += bios_ia32 efi pxe_ia32 ; 297 298 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB 299 # offset in floppy image (>= sizeof(haiku_loader)) 300 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 301 302 # x86_64 kernel source is under arch/x86. 303 HAIKU_KERNEL_ARCH_DIR = x86 ; 304 305 # nasm is required for target arch x86_64 306 if ! $(HAIKU_NASM) { 307 Exit "HAIKU_NASM not set. Please re-run configure." ; 308 } 309 310 case m68k : 311 HAIKU_KERNEL_PLATFORM ?= atari_m68k ; 312 HAIKU_BOOT_TARGETS += amiga_m68k atari_m68k next_m68k ; 313 switch $(HAIKU_KERNEL_PLATFORM) { 314 case atari_m68k : 315 { 316 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 317 } 318 case amiga_m68k : 319 { 320 # for now we have trouble reading from double-sided images 321 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 880 ; # in kB 322 } 323 case next_m68k : 324 { 325 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 326 } 327 } 328 # offset in floppy image (>= sizeof(haiku_loader)) 329 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 260 ; # in kB 330 HAIKU_CONTAINER_STRIP_EXECUTABLES on 331 $(HAIKU_FLOPPY_BOOT_IMAGE_CONTAINER_NAME) = 1 ; 332 333 case * : 334 Exit "Currently unsupported target CPU:" $(cpu) ; 335 } 336 337 # private kernel headers to be used when compiling kernel code 338 HAIKU_PRIVATE_KERNEL_HEADERS = 339 [ PrivateHeaders $(DOT) kernel libroot shared 340 kernel/boot/platform/$(HAIKU_KERNEL_PLATFORM) ] 341 [ ArchHeaders $(HAIKU_KERNEL_ARCH_DIR) ] 342 [ FDirName $(HAIKU_COMMON_DEBUG_OBJECT_DIR_$(architecture)) system 343 kernel ] 344 $(HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture)) 345 ; 346 347 # C/C++ flags 348 local ccBaseFlags = -finline -fno-builtin -Wno-main ; 349 350 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 { 351 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 352 # Clang does not yet understand this flag. 353 ccBaseFlags += -fno-semantic-interposition ; 354 } 355 356 ccBaseFlags += -ffreestanding ; 357 } 358 359 local c++BaseFlags = $(ccBaseFlags) -fno-exceptions ; 360 361 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 362 && $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 363 c++BaseFlags += -fno-use-cxa-atexit ; 364 } 365 366 HAIKU_KERNEL_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ; 367 HAIKU_KERNEL_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ; 368 HAIKU_KERNEL_PIC_CCFLAGS = ; 369 HAIKU_KERNEL_PIC_LINKFLAGS = ; 370 HAIKU_KERNEL_ADDON_LINKFLAGS = ; 371 372 # Common boot-related cflags which apply to all loaders 373 HAIKU_BOOT_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ; 374 HAIKU_BOOT_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ; 375 HAIKU_BOOT_LINKFLAGS = ; 376 HAIKU_BOOT_LDFLAGS = -Bstatic ; 377 378 # Remove -fPIC and other unwanted options from the BOOT flags (they are sometimes 379 # added to force PIC in general.) 380 local fixedBootCCFlags ; 381 local fixedBootC++Flags ; 382 for flag in $(HAIKU_BOOT_CCFLAGS) { 383 if $(flag) = "-fpic" || $(flag) = "-fPIC" { 384 continue ; 385 } 386 fixedBootCCFlags += $(flag) ; 387 } 388 for flag in $(HAIKU_BOOT_C++FLAGS) { 389 if $(flag) = "-fpic" || $(flag) = "-fPIC" { 390 continue ; 391 } 392 fixedBootC++Flags += $(flag) ; 393 } 394 HAIKU_BOOT_CCFLAGS = $(fixedBootCCFlags) ; 395 HAIKU_BOOT_C++FLAGS = $(fixedBootC++Flags) ; 396 397 # Any special kernel base addresses 398 if $(HAIKU_BOOT_LOADER_BASE) { 399 HAIKU_BOOT_LDFLAGS += 400 --defsym BOOT_LOADER_BASE=$(HAIKU_BOOT_LOADER_BASE) ; 401 } 402 403 switch $(cpu) { 404 case arm : 405 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 406 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 407 HAIKU_KERNEL_PIC_CCFLAGS = -fpic ; 408 HAIKU_KERNEL_PIC_LINKFLAGS = -shared ; 409 410 case arm64 : 411 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 412 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 413 HAIKU_KERNEL_PIC_CCFLAGS = -fpic ; 414 HAIKU_KERNEL_PIC_LINKFLAGS = -shared ; 415 416 case m68k : 417 # We don't want to have to handle emulating missing FPU opcodes for 418 # 040 and 060 in the kernel. 419 HAIKU_KERNEL_CCFLAGS += -m68020-60 ; 420 HAIKU_KERNEL_C++FLAGS += -m68020-60 ; 421 422 case ppc : 423 # Build a position independent PPC kernel. We need to be able to 424 # relocate the kernel, since the virtual address space layout at 425 # boot time is not fixed. 426 HAIKU_KERNEL_PIC_CCFLAGS = -fPIE ; 427 HAIKU_KERNEL_PIC_LINKFLAGS = -shared -fPIE ; 428 429 case riscv64 : 430 # Kernel lives within any single 2 GiB address space. 431 # Default is medlow (-2GiB / +2GiB) 432 HAIKU_KERNEL_CCFLAGS += -mcmodel=medany -fpic ; 433 HAIKU_KERNEL_C++FLAGS += -mcmodel=medany -fpic ; 434 HAIKU_KERNEL_PIC_LINKFLAGS = -shared ; 435 436 case sparc : 437 # The medlow code model is enough (64-bit addresses, programs must 438 # be linked in the low 32 bits of memory. Programs can be 439 # statically or dynamically linked.) 440 HAIKU_KERNEL_CCFLAGS += -mcmodel=medlow ; 441 HAIKU_KERNEL_C++FLAGS += -mcmodel=medlow ; 442 443 # Unfortunately it's not easy to make the kernel be 444 # position-independant, on sparc, that requires relocation support 445 # in the ELF loader to fill in the plt section. 446 HAIKU_KERNEL_PIC_CCFLAGS = -fPIE ; 447 HAIKU_KERNEL_PIC_LINKFLAGS = -shared -fPIE ; 448 449 case x86 : 450 HAIKU_KERNEL_PIC_CCFLAGS = -fno-pic ; 451 HAIKU_KERNEL_CCFLAGS += -march=pentium ; 452 HAIKU_KERNEL_C++FLAGS += -march=pentium ; 453 454 case x86_64 : 455 # Kernel lives in the top 2GB of the address space, use kernel code 456 # model. 457 HAIKU_KERNEL_PIC_CCFLAGS = -fno-pic -mcmodel=kernel ; 458 459 # Disable the red zone, which cannot be used in kernel code due to 460 # interrupts, and always enable the frame pointer so stack traces 461 # are correct. 462 HAIKU_KERNEL_CCFLAGS += -mno-red-zone -fno-omit-frame-pointer ; 463 HAIKU_KERNEL_C++FLAGS += -mno-red-zone -fno-omit-frame-pointer ; 464 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 465 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 466 467 if x86 in $(HAIKU_ARCHS[2-]) || x86_gcc2 in $(HAIKU_ARCHS[2-]) { 468 Echo "Enable kernel ia32 compatibility" ; 469 HAIKU_KERNEL_DEFINES += _COMPAT_MODE ; 470 HAIKU_KERNEL_COMPAT_MODE = 1 ; 471 } 472 } 473 474 # bootloader-centric flags 475 HAIKU_BOOT_CCFLAGS 476 += -DBOOT_ARCHIVE_IMAGE_OFFSET=$(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ; 477 HAIKU_BOOT_C++FLAGS 478 += -DBOOT_ARCHIVE_IMAGE_OFFSET=$(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ; 479 480 local bootTarget ; 481 for bootTarget in $(HAIKU_BOOT_TARGETS) { 482 switch $(bootTarget) { 483 case efi : 484 # efi bootloader is PIC 485 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fpic -fno-stack-protector 486 -fPIC -fshort-wchar -Wno-error=unused-variable -Wno-error=main ; 487 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fpic -fno-stack-protector 488 -fPIC -fshort-wchar -Wno-error=unused-variable -Wno-error=main ; 489 switch $(cpu) { 490 case x86 : 491 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 492 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -maccumulate-outgoing-args ; 493 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -maccumulate-outgoing-args ; 494 } 495 case x86_64 : 496 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -mno-red-zone ; 497 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -mno-red-zone ; 498 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 499 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -maccumulate-outgoing-args ; 500 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -maccumulate-outgoing-args ; 501 } 502 case arm : 503 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -mfloat-abi=soft ; 504 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -mfloat-abi=soft ; 505 506 # Remove any previous -mfloat-abi=hard setting from compiler flags 507 local fixedBootCCFlags ; 508 local fixedBootC++Flags ; 509 for flag in $(HAIKU_BOOT_CCFLAGS) { 510 if $(flag) = "-mfloat-abi=hard" { 511 continue ; 512 } 513 fixedBootCCFlags += $(flag) ; 514 } 515 for flag in $(HAIKU_BOOT_C++FLAGS) { 516 if $(flag) = "-mfloat-abi=hard" { 517 continue ; 518 } 519 fixedBootC++Flags += $(flag) ; 520 } 521 HAIKU_BOOT_CCFLAGS = $(fixedBootCCFlags) ; 522 HAIKU_BOOT_C++FLAGS = $(fixedBootC++Flags) ; 523 } 524 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS = -Bstatic -Bsymbolic 525 -nostdlib -znocombreloc -no-undefined ; 526 case bios_ia32 : 527 # bios_ia32 is non-PIC 528 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -march=pentium ; 529 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -march=pentium ; 530 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 531 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386 ; 532 } else { 533 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386_haiku ; 534 } 535 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 { 536 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -Wno-error=main -m32 ; 537 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -Wno-error=main -m32 ; 538 } 539 case pxe_ia32 : 540 # pxe_ia32 is non-PIC 541 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -march=pentium ; 542 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -march=pentium ; 543 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 544 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386 ; 545 } else { 546 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386_haiku ; 547 } 548 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) != 1 { 549 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -Wno-error=main -m32 ; 550 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -Wno-error=main -m32 ; 551 } 552 case *_m68k : 553 # TODO: make sure all m68k bootloaders are non-PIC 554 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -Wno-error=main ; 555 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -Wno-error=main ; 556 switch $(cpu) { 557 case m68k : 558 # use only common instructions by default 559 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -m68020-60 ; 560 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -m68020-60 ; 561 # TODO: coldfire (FireBee) 562 } 563 case riscv : 564 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -mcmodel=medany -fno-omit-frame-pointer -fno-plt -fno-pic -fno-semantic-interposition ; 565 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -mcmodel=medany -fno-omit-frame-pointer -fno-plt -fno-pic -fno-semantic-interposition ; 566 case openfirmware : 567 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -fno-semantic-interposition -Wno-error=main -Wstack-usage=1023 ; 568 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -fno-semantic-interposition -Wno-error=main -Wstack-usage=1023 ; 569 case * : 570 # all other bootloaders are non-PIC 571 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -Wno-error=main ; 572 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -Wno-error=main ; 573 } 574 } 575 576 # warning flags 577 HAIKU_KERNEL_WARNING_CCFLAGS = $(HAIKU_WARNING_CCFLAGS_$(architecture)) ; 578 HAIKU_KERNEL_WARNING_C++FLAGS = $(HAIKU_WARNING_C++FLAGS_$(architecture)) ; 579 580 # debug flags 581 local level ; 582 for level in $(HAIKU_DEBUG_LEVELS) { 583 local flags = $(HAIKU_DEBUG_FLAGS) [ FDefines DEBUG=$(level) ] ; 584 HAIKU_KERNEL_DEBUG_$(level)_CCFLAGS 585 = $(HAIKU_DEBUG_$(level)_CCFLAGS_$(architecture)) ; 586 HAIKU_KERNEL_DEBUG_$(level)_C++FLAGS 587 = $(HAIKU_DEBUG_$(level)_C++FLAGS_$(architecture)) ; 588 } 589 590 # defines 591 HAIKU_KERNEL_DEFINES += _KERNEL_MODE ; 592 593 # kernel add-on glue code 594 HAIKU_KERNEL_ADDON_BEGIN_GLUE_CODE = <$(architecture)>crtbeginS.o 595 <src!system!glue!$(architecture)>haiku_version_glue.o ; 596 HAIKU_KERNEL_ADDON_END_GLUE_CODE = <$(architecture)>crtendS.o ; 597} 598 599 600rule ArchitectureSetupWarnings architecture 601{ 602 # ArchitectureSetupWarnings <architecture> ; 603 # 604 # Sets up compiler warnings and error flags for various subdirectories for 605 # the given packaging architecture. 606 607 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 608 AppendToConfigVar CCFLAGS : 609 HAIKU_TOP src system libroot posix glibc : 610 -fgnu89-inline -fheinous-gnu-extensions : global ; 611 } 612 613 local cpu = $(HAIKU_CPU_$(architecture)) ; 614 switch $(cpu) { 615 case arm : 616 return ; 617 # we use #warning as placeholders for things to write... 618 case m68k : 619 return ; 620 # we use #warning as placeholders for things to write... 621 case ppc : 622 return ; 623 # we use #warning as placeholders for things to write... 624 } 625 626 # enable -Werror for certain parts of the source tree 627 HAIKU_WERROR_ARCH = $(architecture) ; 628 629 rule EnableWerror dirTokens : scope { 630 # Clang gives way more warnings than GCC, so that code won't compile 631 # with -Werror when using Clang. 632 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 633 SetConfigVar WARNINGS : HAIKU_TOP $(dirTokens) : treatAsErrors 634 : $(scope) ; 635 } 636 } 637 638 rule EnableStackProtector dirTokens : scope { 639 # enable stack protector, if requested 640 if $(HAIKU_USE_STACK_PROTECTOR) = 1 { 641 AppendToConfigVar CCFLAGS : HAIKU_TOP $(dirTokens) : 642 -fstack-protector : $(scope) ; 643 AppendToConfigVar C++FLAGS : HAIKU_TOP $(dirTokens) : 644 -fstack-protector : $(scope) ; 645 } 646 } 647 648 # Work-around for GCC 2 problem -- despite -Wno-multichar it reports 649 # multichar warnings in headers/private/kernel/debugger_keymaps.h included 650 # by src/system/kernel/arch/x86/arch_debug_console.cpp. 651 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) = 1 { 652 local file = <src!system!kernel!arch!x86>arch_debug_console.o ; 653 WARNINGS on $(file) = $(WARNINGS) ; 654 } 655 656 EnableWerror src add-ons accelerants ; 657 EnableWerror src add-ons bluetooth ; 658 EnableWerror src add-ons decorators ; 659 EnableWerror src add-ons disk_systems ; 660 EnableWerror src add-ons input_server devices ; 661 EnableWerror src add-ons input_server filters ; 662 EnableWerror src add-ons input_server methods pen ; 663 EnableWerror src add-ons input_server methods t9 ; 664 EnableWerror src add-ons kernel bluetooth ; 665 EnableWerror src add-ons kernel bus_managers acpi ; 666 EnableWerror src add-ons kernel bus_managers agp_gart ; 667 EnableWerror src add-ons kernel bus_managers ata ; 668 EnableWerror src add-ons kernel bus_managers config_manager ; 669 EnableWerror src add-ons kernel bus_managers firewire ; 670 EnableWerror src add-ons kernel bus_managers ide ; 671 EnableWerror src add-ons kernel bus_managers isa ; 672 EnableWerror src add-ons kernel bus_managers pci ; 673 EnableWerror src add-ons kernel bus_managers ps2 ; 674 EnableWerror src add-ons kernel bus_managers random ; 675 EnableWerror src add-ons kernel bus_managers scsi ; 676 EnableWerror src add-ons kernel bus_managers tty ; 677 EnableWerror src add-ons kernel bus_managers usb ; 678 EnableWerror src add-ons kernel bus_managers virtio ; 679 EnableWerror src add-ons kernel busses agp_gart ; 680 EnableWerror src add-ons kernel busses ata ; 681# EnableWerror src add-ons kernel busses i2c ; 682# EnableWerror src add-ons kernel busses mmc ; 683# EnableWerror src add-ons kernel busses random ; 684 EnableWerror src add-ons kernel busses scsi ; 685 EnableWerror src add-ons kernel busses usb ; 686# EnableWerror src add-ons kernel busses virtio ; 687 EnableWerror src add-ons kernel console ; 688 EnableWerror src add-ons kernel cpu ; 689 EnableWerror src add-ons kernel debugger ; 690# EnableWerror src add-ons kernel drivers audio ; 691 EnableWerror src add-ons kernel drivers bluetooth ; 692 EnableWerror src add-ons kernel drivers bus ; 693 EnableWerror src add-ons kernel drivers common ; 694# EnableWerror src add-ons kernel drivers disk ; 695 EnableWerror src add-ons kernel drivers dvb ; 696# EnableWerror src add-ons kernel drivers graphics ; 697 EnableWerror src add-ons kernel drivers graphics intel_extreme ; 698 EnableWerror src add-ons kernel drivers input ; 699 EnableWerror src add-ons kernel drivers joystick ; 700 EnableWerror src add-ons kernel drivers midi ; 701 EnableWerror src add-ons kernel drivers misc ; 702# EnableWerror src add-ons kernel drivers network ; 703 EnableWerror src add-ons kernel drivers ports ; 704 EnableWerror src add-ons kernel drivers power ; 705 EnableWerror src add-ons kernel drivers printer ; 706 EnableWerror src add-ons kernel drivers random ; 707 EnableWerror src add-ons kernel drivers tty ; 708 EnableWerror src add-ons kernel drivers video ; 709 EnableWerror src add-ons kernel file_systems bfs ; 710 EnableWerror src add-ons kernel file_systems cdda ; 711 EnableWerror src add-ons kernel file_systems ext2 ; 712# EnableWerror src add-ons kernel file_systems fat ; 713 EnableWerror src add-ons kernel file_systems googlefs ; 714 EnableWerror src add-ons kernel file_systems iso9660 ; 715 EnableWerror src add-ons kernel file_systems layers ; 716# EnableWerror src add-ons kernel file_systems netfs ; 717# EnableWerror src add-ons kernel file_systems nfs ; 718 EnableWerror src add-ons kernel file_systems nfs4 ; 719# EnableWerror src add-ons kernel file_systems ntfs ; 720 EnableWerror src add-ons kernel file_systems packagefs ; 721# EnableWerror src add-ons kernel file_systems ramfs ; 722# EnableWerror src add-ons kernel file_systems reiserfs ; 723 EnableWerror src add-ons kernel file_systems udf ; 724 EnableWerror src add-ons kernel file_systems userlandfs ; 725 EnableWerror src add-ons kernel generic ; 726 EnableWerror src add-ons kernel network ; 727 EnableWerror src add-ons kernel partitioning_systems ; 728 EnableWerror src add-ons kernel power ; 729 EnableWerror src add-ons locale ; 730 EnableWerror src add-ons mail_daemon ; 731 EnableWerror src add-ons media media-add-ons demultiplexer ; 732 EnableWerror src add-ons media media-add-ons dvb ; 733 EnableWerror src add-ons media media-add-ons esound_sink ; 734 EnableWerror src add-ons media media-add-ons finepix_webcam ; 735 EnableWerror src add-ons media media-add-ons firewire_dv ; 736 EnableWerror src add-ons media media-add-ons legacy ; 737 EnableWerror src add-ons media media-add-ons mixer ; 738 EnableWerror src add-ons media media-add-ons multi_audio ; 739 EnableWerror src add-ons media media-add-ons opensound ; 740 EnableWerror src add-ons media media-add-ons radeon ; 741 EnableWerror src add-ons media media-add-ons reader ; 742 EnableWerror src add-ons media media-add-ons tone_producer_demo ; 743 EnableWerror src add-ons media media-add-ons usb_vision ; 744 EnableWerror src add-ons media media-add-ons usb_webcam ; 745 EnableWerror src add-ons media media-add-ons video_mixer ; 746 EnableWerror src add-ons media media-add-ons video_producer_demo ; 747 EnableWerror src add-ons media media-add-ons videowindow ; 748 EnableWerror src add-ons media media-add-ons writer ; 749 EnableWerror src add-ons media plugins ape_reader ; 750 EnableWerror src add-ons media plugins au_reader ; 751# EnableWerror src add-ons media plugins ffmpeg ; 752 EnableWerror src add-ons media plugins raw_decoder ; 753 EnableWerror src add-ons print ; 754 EnableWerror src add-ons screen_savers ; 755 EnableWerror src add-ons tracker ; 756 EnableWerror src add-ons translators bmp ; 757 EnableWerror src add-ons translators exr ; 758 EnableWerror src add-ons translators gif ; 759 EnableWerror src add-ons translators hvif ; 760 EnableWerror src add-ons translators ico ; 761 EnableWerror src add-ons translators jpeg ; 762# EnableWerror src add-ons translators jpeg2000 ; 763 EnableWerror src add-ons translators pcx ; 764 EnableWerror src add-ons translators png ; 765 EnableWerror src add-ons translators ppm ; 766 EnableWerror src add-ons translators raw ; 767 EnableWerror src add-ons translators rtf ; 768 EnableWerror src add-ons translators sgi ; 769 EnableWerror src add-ons translators shared ; 770 EnableWerror src add-ons translators stxt ; 771 EnableWerror src add-ons translators tga ; 772 EnableWerror src add-ons translators tiff ; 773 EnableWerror src add-ons translators wonderbrush ; 774 EnableWerror src add-ons print ; 775 EnableWerror src bin desklink ; 776 EnableWerror src bin multiuser ; 777 EnableWerror src bin package ; 778 EnableWerror src bin package_repo ; 779 EnableWerror src bin pkgman ; 780 EnableWerror src libs bsd ; 781 EnableWerror src apps ; 782 EnableWerror src kits ; 783 EnableWerror src preferences ; 784 EnableWerror src servers ; 785 EnableWerror src system boot ; 786 EnableWerror src system kernel ; 787 EnableWerror src system libroot add-ons ; 788 EnableWerror src system libroot os ; 789 EnableWerror src system libroot posix locale ; 790 EnableWerror src system libroot posix wchar ; 791 EnableWerror src system runtime_loader ; 792 793 EnableStackProtector src apps ; 794 EnableStackProtector src kits ; 795 EnableStackProtector src preferences ; 796 EnableStackProtector src servers ; 797 EnableStackProtector src system kernel ; 798} 799 800 801rule MultiArchIfPrimary ifValue : elseValue : architecture 802{ 803 # MultiArchIfPrimary <ifValue> : <elseValue> 804 # [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 805 # 806 # Returns one of the two given values depending on whether 807 # <architecture> is the primary packaging architecture. 808 809 architecture ?= $(TARGET_PACKAGING_ARCH) ; 810 811 if $(architecture) = $(TARGET_PACKAGING_ARCHS[1]) { 812 return $(ifValue) ; 813 } 814 return $(elseValue) ; 815} 816 817 818rule MultiArchConditionalGristFiles files : primaryGrist : secondaryGrist 819 : architecture 820{ 821 # MultiArchConditionalGristFiles <files> : <primaryGrist> 822 # : <secondaryGrist> [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 823 # 824 # Returns <files> with their grist set to either <primaryGrist> or 825 # <secondaryGrist> depending on whether <architecture> is the primary 826 # packaging architecture. 827 828 architecture ?= $(TARGET_PACKAGING_ARCH) ; 829 830 local grist = [ MultiArchIfPrimary $(primaryGrist) : $(secondaryGrist) 831 : $(architecture) ] ; 832 return $(files:G=$(grist:E=)) ; 833} 834 835 836rule MultiArchDefaultGristFiles files : gristPrefix : architecture 837{ 838 # MultiArchDefaultGristFiles <files> : <gristPrefix> 839 # [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 840 # 841 # Convenient shorthand for MultiArchConditionalGristFiles for the common 842 # case that for a secondary packaging architecture the packaging 843 # architecture name shall be appended to the grist while it shall be omitted 844 # for the primary packaging architecture. IOW, if architecture is the 845 # primary packaging architecture, <files> are returned with their grist set 846 # to <gristPrefix>, otherwise <files> are returned with their grist set to 847 # <gristPrefix>!<architecture> respectively <architecture> (if <gristPrefix> 848 # is empty). 849 850 architecture ?= $(TARGET_PACKAGING_ARCH) ; 851 852 local secondaryGrist = $(gristPrefix)!$(architecture) ; 853 secondaryGrist ?= $(architecture) ; 854 855 return [ MultiArchConditionalGristFiles $(files) : $(gristPrefix) : 856 $(secondaryGrist) : $(architecture) ] ; 857} 858 859 860rule MultiArchSubDirSetup architectures 861{ 862 # MultiArchSubDirSetup <architectures> ; 863 # 864 # For each of the given packaging architectures <architectures> that are 865 # in the packaging architectures configured for the build (or all configured 866 # packaging architectures, if <architectures> is empty) an object is 867 # prepared that can be used for an "on ... { ... }" block to set up subdir 868 # variables for the respective packaging architecture. Most notably 869 # TARGET_PACKAGING_ARCH, TARGET_ARCH are set to the values for the 870 # respective packaging architecture. The per-subdir variables SOURCE_GRIST, 871 # LOCATE_TARGET, LOCATE_SOURCE, SEARCH_SOURCE, *_LOCATE_TARGET, are reset. 872 # All SUBDIR* and config variables are set to the values they had when this 873 # rule was invoked. 874 875 local result ; 876 architectures ?= $(TARGET_PACKAGING_ARCHS) ; 877 local architecture ; 878 for architecture in $(architectures) { 879 if ! $(architecture) in $(TARGET_PACKAGING_ARCHS) { 880 continue ; 881 } 882 883 local architectureObject = $(architecture:G=<arch-object>) ; 884 result += $(architectureObject) ; 885 886 # Set the variables that default to the values of the respective 887 # variables for the primary architecture. 888 TARGET_PACKAGING_ARCH on $(architectureObject) = $(architecture) ; 889 890 local var ; 891 for var in TARGET_ARCH { 892 $(var) on $(architectureObject) = $($(var)_$(architecture)) ; 893 } 894 895 # Clone the current config variable values and the variables SubDir 896 # resets. 897 for var in $(AUTO_SET_UP_CONFIG_VARIABLES) SUBDIR$(SUBDIRRESET) { 898 $(var) on $(architectureObject) = $($(var)) ; 899 } 900 901 # adjust SOURCE_GRIST and HDRGRIST 902 SOURCE_GRIST on $(architectureObject) 903 = $(SOURCE_GRIST:E=)!$(architecture) ; 904 905 HDRGRIST on $(architectureObject) 906 = $(HDRGRIST:E=)!$(architecture) ; 907 908 # Adjust the subdir's object dirs that are architecture dependent. To 909 # avoid duplicating the code from SetupObjectsDir, we call it. Since it 910 # sets global variables, we set these variables on our object, call 911 # SetupObjectsDir in an "on" block, and grab the new variable values. 912 local hostTarget = HOST TARGET ; 913 local objectDirVars = 914 COMMON_ARCH COMMON_DEBUG DEBUG_$(HAIKU_DEBUG_LEVELS) 915 ; 916 objectDirVars = 917 COMMON_PLATFORM_LOCATE_TARGET 918 $(hostTarget)_$(objectDirVars)_LOCATE_TARGET 919 LOCATE_TARGET 920 LOCATE_SOURCE 921 SEARCH_SOURCE 922 ; 923 924 for var in $(objectDirVars) { 925 $(var) on $(architectureObject) = ; 926 } 927 928 on $(architectureObject) { 929 SetupObjectsDir ; 930 931 for var in $(objectDirVars) { 932 $(var) on $(architectureObject) = $($(var)) ; 933 } 934 } 935 } 936 937 return $(result) ; 938} 939