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. checking for NULL in strdup, or 25 # for `this` in member functions), which breaks the kernel and various 26 # applications. (Linux does the same.) 27 ccBaseFlags += -fno-delete-null-pointer-checks ; 28 29 if $(architecture) = x86 { 30 # disable some builtins that are incompatible with our definitions 31 ccBaseFlags += -fno-builtin-fork -fno-builtin-vfork ; 32 } 33 } 34 35 # default architecture tuning 36 local cpu = $(HAIKU_CPU_$(architecture)) ; 37 local archFlags ; 38 switch $(cpu) { 39 case ppc : archFlags += -mcpu=440fp ; 40 case arm : archFlags += -march=armv7-a -mfloat-abi=hard ; 41 case arm64 : archFlags += -march=armv8.2-a+fp16 ; 42 case x86 : archFlags += -march=pentium ; 43 case riscv64 : archFlags += -march=rv64gc ; 44 } 45 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 46 # lld doesn't currently implement R_RISCV_ALIGN relaxation 47 if $(cpu) = riscv64 { 48 ccBaseFlags += -mno-relax ; 49 } 50 } 51 ccBaseFlags += $(archFlags) ; 52 53 # activating graphite optimizations 54 if $(HAIKU_USE_GCC_GRAPHITE_$(architecture)) = 1 { 55 ccBaseFlags += -floop-nest-optimize -fgraphite-identity ; 56 } 57 58 # initial state for flags etc. 59 HAIKU_C++_$(architecture) ?= $(HAIKU_CC_$(architecture)) ; 60 HAIKU_LINK_$(architecture) ?= $(HAIKU_CC_$(architecture)) ; 61 62 HAIKU_CCFLAGS_$(architecture) += $(ccBaseFlags) -nostdinc ; 63 HAIKU_C++FLAGS_$(architecture) += $(ccBaseFlags) -nostdinc ; 64 HAIKU_LINKFLAGS_$(architecture) += $(ccBaseFlags) ; 65 HAIKU_ASFLAGS_$(architecture) += $(archFlags) -nostdinc ; 66 67 # strip is required 68 if ! $(HAIKU_STRIP_$(architecture)) { 69 Exit "HAIKU_STRIP_$(architecture) not set. Please re-run configure." ; 70 } 71 72 HAIKU_ARCH_$(architecture) = $(cpu) ; 73 HAIKU_ARCH ?= $(cpu) ; 74 # Set only, if not set yet. This way HAIKU_ARCH is set to the primary 75 # architecture. 76 if ! $(cpu) in $(HAIKU_ARCHS) { 77 HAIKU_ARCHS += $(cpu) ; 78 } 79 HAIKU_DEFINES_$(architecture) += ARCH_$(cpu) ; 80 81 # directories 82 HAIKU_ARCH_OBJECT_DIR_$(architecture) 83 = [ FDirName $(HAIKU_OBJECT_BASE_DIR) $(architecture) ] ; 84 HAIKU_COMMON_DEBUG_OBJECT_DIR_$(architecture) 85 = [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) common ] ; 86 HAIKU_DEBUG_0_OBJECT_DIR_$(architecture) 87 = [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) release ] ; 88 89 local level ; 90 for level in $(HAIKU_DEBUG_LEVELS[2-]) { 91 HAIKU_DEBUG_$(level)_OBJECT_DIR_$(architecture) 92 = [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) 93 debug_$(level) ] ; 94 } 95 96 # set variables for gcc header options 97 SetIncludePropertiesVariables HAIKU : _$(architecture) ; 98 99 # warning flags 100 HAIKU_WARNING_CCFLAGS_$(architecture) = -Wall 101 -Wno-multichar 102 -Wpointer-arith -Wsign-compare 103 -Wmissing-prototypes ; 104 HAIKU_WARNING_C++FLAGS_$(architecture) = -Wall 105 -Wno-multichar 106 -Wpointer-arith -Wsign-compare 107 -Wno-ctor-dtor-privacy -Woverloaded-virtual ; 108 109 # disable some Clang warnings that are not very useful 110 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 111 HAIKU_WARNING_CCFLAGS_$(architecture) += 112 -Wno-unused-private-field -Wno-gnu-designator 113 -Wno-builtin-requires-header ; 114 HAIKU_WARNING_C++FLAGS_$(architecture) += 115 -Wno-unused-private-field -Wno-gnu-designator 116 -Wno-builtin-requires-header 117 -Wno-non-c-typedef-for-linkage -Wno-non-power-of-two-alignment ; 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_$(architecture) += -Wno-error=unused-but-set-variable 125 -Wno-error=cpp -Wno-error=register ; 126 # These currently generate too many "false positives." 127 HAIKU_WERROR_FLAGS_$(architecture) += -Wno-error=address-of-packed-member 128 -Wno-error=stringop-overread -Wno-error=array-bounds ; 129 # But these can stay. 130 HAIKU_WERROR_FLAGS_$(architecture) += -Wno-error=cast-align 131 -Wno-error=format-truncation ; 132 } else { 133 HAIKU_WERROR_FLAGS_$(architecture) += -Wno-unknown-pragmas ; 134 } 135 136 # debug flags 137 local debugFlags = -ggdb ; 138 139 # debug 0: suppress asserts 140 HAIKU_DEBUG_0_CCFLAGS_$(architecture) = [ FDefines NDEBUG=$(NDEBUG) ] ; 141 HAIKU_DEBUG_0_C++FLAGS_$(architecture) = [ FDefines NDEBUG=$(NDEBUG) ] ; 142 143 local level ; 144 for level in $(HAIKU_DEBUG_LEVELS[2-]) { 145 local flags = $(debugFlags) [ FDefines DEBUG=$(level) ] ; 146 HAIKU_DEBUG_$(level)_CCFLAGS_$(architecture) = $(flags) ; 147 HAIKU_DEBUG_$(level)_C++FLAGS_$(architecture) = $(flags) ; 148 } 149 150 # TODO: Temporary work-around. Should be defined in the compiler specs 151 HAIKU_LINKFLAGS_$(architecture) += -Xlinker --no-undefined ; 152 153 # private shared kernel/libroot headers 154 HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture) 155 = [ PrivateHeaders $(DOT) system system/arch/$(cpu) ] ; 156 157 # library and executable glue code 158 local commonGlueCode = 159 <src!system!glue!$(architecture)>init_term_dyn.o 160 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 161 <src!system!glue!arch!$(cpu)!$(architecture)>crtn.o 162 ; 163 HAIKU_LIBRARY_BEGIN_GLUE_CODE_$(architecture) = 164 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 165 <$(architecture)>crtbeginS.o 166 <src!system!glue!$(architecture)>init_term_dyn.o 167 ; 168 HAIKU_LIBRARY_END_GLUE_CODE_$(architecture) = 169 <$(architecture)>crtendS.o 170 <src!system!glue!arch!$(cpu)!$(architecture)>crtn.o 171 ; 172 HAIKU_EXECUTABLE_BEGIN_GLUE_CODE_$(architecture) = 173 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 174 <$(architecture)>crtbeginS.o 175 <src!system!glue!$(architecture)>start_dyn.o 176 <src!system!glue!$(architecture)>init_term_dyn.o 177 ; 178 HAIKU_EXECUTABLE_END_GLUE_CODE_$(architecture) 179 = $(HAIKU_LIBRARY_END_GLUE_CODE_$(architecture)) ; 180 181 SEARCH on <$(architecture)>crtbeginS.o <$(architecture)>crtendS.o 182 = $(HAIKU_GCC_LIB_DIR_$(architecture)) ; 183 184 # init library name map 185 local libraryGrist = "" ; 186 if $(architecture) != $(HAIKU_PACKAGING_ARCHS[1]) { 187 libraryGrist = $(architecture) ; 188 } 189 local i ; 190 for i in be bnetapi debug device game locale mail media midi midi2 191 network package root screensaver textencoding tracker 192 translation z { 193 local library = lib$(i).so ; 194 HAIKU_LIBRARY_NAME_MAP_$(architecture)_$(i) 195 = $(library:G=$(libraryGrist)) ; 196 } 197 HAIKU_LIBRARY_NAME_MAP_$(architecture)_localestub 198 = <$(architecture)>liblocalestub.a ; 199 HAIKU_LIBRARY_NAME_MAP_$(architecture)_shared 200 = <$(architecture)>libshared.a ; 201 if $(architecture) = $(HAIKU_PACKAGING_ARCHS[1]) { 202 HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server 203 = <nogrist>input_server ; 204 } else { 205 HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server 206 = <$(architecture)>input_server ; 207 } 208} 209 210 211rule KernelArchitectureSetup architecture 212{ 213 # KernelArchitectureSetup <architecture> ; 214 # 215 # Initializes the global kernel and boot loader related variables. Those 216 # don't have a packaging architecture suffix, since they are only set for 217 # the primary packaging architecture. <architecture> is the primary 218 # packaging architecture (supplied for convenience). 219 220 HAIKU_KERNEL_ARCH = $(HAIKU_ARCH) ; 221 HAIKU_KERNEL_ARCH_DIR = $(HAIKU_KERNEL_ARCH) ; 222 223 local cpu = $(HAIKU_CPU_$(architecture)) ; 224 225 switch $(cpu) { 226 case ppc : 227 HAIKU_KERNEL_PLATFORM ?= openfirmware ; 228 HAIKU_BOOT_TARGETS += openfirmware ; 229 230 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 231 # offset in floppy image (>= sizeof(haiku_loader)) 232 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 233 234 case sparc : 235 HAIKU_KERNEL_PLATFORM ?= openfirmware ; 236 HAIKU_BOOT_TARGETS += openfirmware ; 237 238 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 239 # offset in floppy image (>= sizeof(haiku_loader)) 240 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 241 242 case arm : 243 HAIKU_KERNEL_PLATFORM ?= efi ; 244 HAIKU_BOOT_TARGETS += efi ; 245 246 # SOC's like allwinner need an offset to skip the hardcoded initial loader 247 HAIKU_BOOT_SDIMAGE_BEGIN = 20475 ; # in KiB 248 249 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 250 # offset in floppy image (>= sizeof(haiku_loader)) 251 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 252 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 253 254 case arm64 : 255 HAIKU_KERNEL_PLATFORM ?= efi ; 256 HAIKU_BOOT_TARGETS += efi ; 257 258 HAIKU_BOOT_SDIMAGE_BEGIN = 2 ; # in KiB 259 260 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 261 # offset in floppy image (>= sizeof(haiku_loader)) 262 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 263 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 264 265 case x86 : 266 HAIKU_KERNEL_PLATFORM ?= bios_ia32 ; 267 HAIKU_BOOT_TARGETS += bios_ia32 efi pxe_ia32 ; 268 269 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB 270 # offset in floppy image (>= sizeof(haiku_loader)) 271 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 272 273 # nasm is required for target arch x86 274 if ! $(HAIKU_NASM) { 275 Exit "HAIKU_NASM not set. Please re-run configure." ; 276 } 277 278 case riscv64 : 279 HAIKU_KERNEL_PLATFORM ?= efi ; 280 HAIKU_BOOT_TARGETS += efi riscv ; 281 282 HAIKU_BOOT_SDIMAGE_BEGIN = 2 ; # KiB 283 284 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 285 # offset in floppy image (>= sizeof(haiku_loader)) 286 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 287 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 288 289 case x86_64 : 290 # x86_64 completely shares the x86 bootloader for MBR. 291 HAIKU_KERNEL_PLATFORM ?= bios_ia32 ; 292 HAIKU_BOOT_TARGETS += bios_ia32 efi pxe_ia32 ; 293 294 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB 295 # offset in floppy image (>= sizeof(haiku_loader)) 296 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 297 298 # x86_64 kernel source is under arch/x86. 299 HAIKU_KERNEL_ARCH_DIR = x86 ; 300 301 # nasm is required for target arch x86_64 302 if ! $(HAIKU_NASM) { 303 Exit "HAIKU_NASM not set. Please re-run configure." ; 304 } 305 306 case m68k : 307 HAIKU_KERNEL_PLATFORM ?= atari_m68k ; 308 HAIKU_BOOT_TARGETS += amiga_m68k atari_m68k next_m68k ; 309 switch $(HAIKU_KERNEL_PLATFORM) { 310 case atari_m68k : 311 { 312 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 313 } 314 case amiga_m68k : 315 { 316 # for now we have trouble reading from double-sided images 317 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 880 ; # in kB 318 } 319 case next_m68k : 320 { 321 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 322 } 323 } 324 # offset in floppy image (>= sizeof(haiku_loader)) 325 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 260 ; # in kB 326 HAIKU_CONTAINER_STRIP_EXECUTABLES on 327 $(HAIKU_FLOPPY_BOOT_IMAGE_CONTAINER_NAME) = 1 ; 328 329 case * : 330 Exit "Currently unsupported target CPU:" $(cpu) ; 331 } 332 333 # private kernel headers to be used when compiling kernel code 334 HAIKU_PRIVATE_KERNEL_HEADERS = 335 [ PrivateHeaders $(DOT) kernel libroot shared 336 kernel/boot/platform/$(HAIKU_KERNEL_PLATFORM) ] 337 [ ArchHeaders $(HAIKU_KERNEL_ARCH_DIR) ] 338 [ FDirName $(HAIKU_COMMON_DEBUG_OBJECT_DIR_$(architecture)) system 339 kernel ] 340 $(HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture)) 341 ; 342 343 # C/C++ flags 344 local ccBaseFlags = -ffreestanding -finline -fno-semantic-interposition ; 345 346 # Since GCC 13, autovectorization generates code which causes problems 347 # in various virtual machines (bare metal is apparently unaffected.) 348 # Until this can be resolved, disable for the kernel. (See #18593.) 349 ccBaseFlags += -fno-tree-vectorize ; 350 351 local c++BaseFlags = $(ccBaseFlags) -fno-exceptions ; 352 353 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 354 c++BaseFlags += -fno-use-cxa-atexit ; 355 } 356 357 HAIKU_KERNEL_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ; 358 HAIKU_KERNEL_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ; 359 HAIKU_KERNEL_PIC_CCFLAGS = ; 360 HAIKU_KERNEL_PIC_LINKFLAGS = ; 361 HAIKU_KERNEL_ADDON_LINKFLAGS = ; 362 363 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 364 HAIKU_KERNEL_PIC_LINKFLAGS += -z noseparate-code -z norelro --no-rosegment ; 365 HAIKU_KERNEL_ADDON_LINKFLAGS += -z noseparate-code -z norelro -Wl,--no-rosegment ; 366 } 367 368 # Common boot-related flags which apply to all loaders. 369 HAIKU_BOOT_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ; 370 HAIKU_BOOT_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ; 371 HAIKU_BOOT_OPTIM = -Os ; 372 HAIKU_BOOT_LINKFLAGS = ; 373 HAIKU_BOOT_LDFLAGS = -Bstatic ; 374 375 # Any special kernel base addresses 376 if $(HAIKU_BOOT_LOADER_BASE) { 377 HAIKU_BOOT_LDFLAGS += 378 --defsym BOOT_LOADER_BASE=$(HAIKU_BOOT_LOADER_BASE) ; 379 } 380 381 switch $(cpu) { 382 case arm : 383 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 384 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 385 HAIKU_KERNEL_PIC_CCFLAGS = -fpic ; 386 HAIKU_KERNEL_PIC_LINKFLAGS = -shared ; 387 388 case arm64 : 389 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 390 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 391 HAIKU_KERNEL_PIC_CCFLAGS = -fpic ; 392 HAIKU_KERNEL_PIC_LINKFLAGS = -shared ; 393 394 case m68k : 395 # We don't want to have to handle emulating missing FPU opcodes for 396 # 040 and 060 in the kernel. 397 HAIKU_KERNEL_CCFLAGS += -m68020-60 ; 398 HAIKU_KERNEL_C++FLAGS += -m68020-60 ; 399 400 case ppc : 401 # Build a position independent PPC kernel. We need to be able to 402 # relocate the kernel, since the virtual address space layout at 403 # boot time is not fixed. 404 HAIKU_KERNEL_PIC_CCFLAGS = -fPIE ; 405 HAIKU_KERNEL_PIC_LINKFLAGS = -shared -fPIE ; 406 407 case riscv64 : 408 # Kernel lives within any single 2 GiB address space. 409 # Default is medlow (-2GiB / +2GiB) 410 HAIKU_KERNEL_CCFLAGS += -mcmodel=medany -fpic ; 411 HAIKU_KERNEL_C++FLAGS += -mcmodel=medany -fpic ; 412 HAIKU_KERNEL_PIC_LINKFLAGS = -shared ; 413 414 case sparc : 415 # The medlow code model is enough (64-bit addresses, programs must 416 # be linked in the low 32 bits of memory. Programs can be 417 # statically or dynamically linked.) 418 HAIKU_KERNEL_CCFLAGS += -mcmodel=medlow ; 419 HAIKU_KERNEL_C++FLAGS += -mcmodel=medlow ; 420 421 # Unfortunately it's not easy to make the kernel be 422 # position-independant, on sparc, that requires relocation support 423 # in the ELF loader to fill in the plt section. 424 HAIKU_KERNEL_PIC_CCFLAGS = -fPIE ; 425 HAIKU_KERNEL_PIC_LINKFLAGS = -shared -fPIE ; 426 427 case x86 : 428 HAIKU_KERNEL_PIC_CCFLAGS = -fno-pic ; 429 HAIKU_KERNEL_CCFLAGS += -march=pentium ; 430 HAIKU_KERNEL_C++FLAGS += -march=pentium ; 431 432 case x86_64 : 433 # Kernel lives in the top 2GB of the address space, use kernel code 434 # model. 435 HAIKU_KERNEL_PIC_CCFLAGS = -fno-pic -mcmodel=kernel ; 436 437 # Disable the red zone, which cannot be used in kernel code due to 438 # interrupts, and always enable the frame pointer so stack traces 439 # are correct. 440 HAIKU_KERNEL_CCFLAGS += -mno-red-zone -fno-omit-frame-pointer ; 441 HAIKU_KERNEL_C++FLAGS += -mno-red-zone -fno-omit-frame-pointer ; 442 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 443 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 444 445 if x86 in $(HAIKU_ARCHS[2-]) || x86_gcc2 in $(HAIKU_ARCHS[2-]) { 446 Echo "Enable kernel ia32 compatibility" ; 447 HAIKU_KERNEL_DEFINES += _COMPAT_MODE ; 448 HAIKU_KERNEL_COMPAT_MODE = 1 ; 449 } 450 } 451 452 # bootloader-centric flags 453 HAIKU_BOOT_CCFLAGS 454 += -DBOOT_ARCHIVE_IMAGE_OFFSET=$(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ; 455 HAIKU_BOOT_C++FLAGS 456 += -DBOOT_ARCHIVE_IMAGE_OFFSET=$(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ; 457 458 local bootTarget ; 459 for bootTarget in $(HAIKU_BOOT_TARGETS) { 460 switch $(bootTarget) { 461 case efi : 462 # efi bootloader is PIC 463 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fpic -fno-stack-protector 464 -fPIC -fshort-wchar -Wno-error=unused-variable -Wno-error=main ; 465 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fpic -fno-stack-protector 466 -fPIC -fshort-wchar -Wno-error=unused-variable -Wno-error=main ; 467 switch $(cpu) { 468 case x86 : 469 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 470 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -maccumulate-outgoing-args ; 471 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -maccumulate-outgoing-args ; 472 } 473 case x86_64 : 474 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -mno-red-zone ; 475 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -mno-red-zone ; 476 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 477 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -maccumulate-outgoing-args ; 478 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -maccumulate-outgoing-args ; 479 } 480 case arm : 481 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -mfloat-abi=soft ; 482 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -mfloat-abi=soft ; 483 484 # Remove any previous -mfloat-abi=hard setting from compiler flags 485 local fixedBootCCFlags ; 486 local fixedBootC++Flags ; 487 for flag in $(HAIKU_BOOT_CCFLAGS) { 488 if $(flag) = "-mfloat-abi=hard" { 489 continue ; 490 } 491 fixedBootCCFlags += $(flag) ; 492 } 493 for flag in $(HAIKU_BOOT_C++FLAGS) { 494 if $(flag) = "-mfloat-abi=hard" { 495 continue ; 496 } 497 fixedBootC++Flags += $(flag) ; 498 } 499 HAIKU_BOOT_CCFLAGS = $(fixedBootCCFlags) ; 500 HAIKU_BOOT_C++FLAGS = $(fixedBootC++Flags) ; 501 } 502 HAIKU_BOOT_$(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_$(architecture)) ; 566 } 567 568 # defines 569 HAIKU_KERNEL_DEFINES += _KERNEL_MODE ; 570 HAIKU_BOOT_DEFINES += _BOOT_MODE ; 571 572 # kernel add-on glue code 573 HAIKU_KERNEL_ADDON_BEGIN_GLUE_CODE = <$(architecture)>crtbeginS.o 574 <src!system!glue!$(architecture)>haiku_version_glue.o ; 575 HAIKU_KERNEL_ADDON_END_GLUE_CODE = <$(architecture)>crtendS.o ; 576} 577 578 579rule ArchitectureSetupWarnings architecture 580{ 581 # ArchitectureSetupWarnings <architecture> ; 582 # 583 # Sets up compiler warnings and error flags for various subdirectories for 584 # the given packaging architecture. 585 586 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 587 AppendToConfigVar CCFLAGS : 588 HAIKU_TOP src system libroot posix glibc : 589 -fgnu89-inline -fheinous-gnu-extensions : global ; 590 } 591 592 local cpu = $(HAIKU_CPU_$(architecture)) ; 593 switch $(cpu) { 594 case arm : 595 return ; 596 # we use #warning as placeholders for things to write... 597 case m68k : 598 return ; 599 # we use #warning as placeholders for things to write... 600 case ppc : 601 return ; 602 # we use #warning as placeholders for things to write... 603 } 604 605 # enable -Werror for certain parts of the source tree 606 HAIKU_WERROR_ARCH = $(architecture) ; 607 608 rule EnableWerror dirTokens : scope { 609 # Clang gives way more warnings than GCC, so that code won't compile 610 # with -Werror when using Clang. 611 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 612 SetConfigVar WARNINGS : HAIKU_TOP $(dirTokens) : treatAsErrors 613 : $(scope) ; 614 } 615 } 616 617 rule EnableStackProtector dirTokens : scope { 618 # enable stack protector, if requested 619 if $(HAIKU_USE_STACK_PROTECTOR) = 1 { 620 AppendToConfigVar CCFLAGS : HAIKU_TOP $(dirTokens) : 621 -fstack-protector : $(scope) ; 622 AppendToConfigVar C++FLAGS : HAIKU_TOP $(dirTokens) : 623 -fstack-protector : $(scope) ; 624 } 625 } 626 627 # Work-around for GCC 2 problem -- despite -Wno-multichar it reports 628 # multichar warnings in headers/private/kernel/debugger_keymaps.h included 629 # by src/system/kernel/arch/x86/arch_debug_console.cpp. 630 if $(HAIKU_CC_IS_LEGACY_GCC_$(architecture)) = 1 { 631 local file = <src!system!kernel!arch!x86>arch_debug_console.o ; 632 WARNINGS on $(file) = $(WARNINGS) ; 633 } 634 635 # Enable -Werror for as much of Haiku as possible. Ideally, all of the code would compile 636 # without errors, but that is difficult to achieve due to using multiple compiler versions, 637 # compiling for multiple platforms, and keeping 3rd party code in sync with its upstream 638 # provenance. 639 # This list allows to track where -Werror is enabled. The idea is to enable it as globally 640 # as possible (for example: all of the accelerants), and otherwise list all subdirectories, 641 # commenting out the ones that can't currently be enabled. This allows to easily identify 642 # if a directory has all its subdirectories already compiled with -Werror, and the rule can 643 # be "collapsed" to declare just the parent directory. 644 # Notable places where 3rd party code is used, and fixing problems should be done in 645 # collaboration with upstream: 646 # - The NTFS filesystem driver (upstream: ntfs-3g) 647 # - All network drivers imported from FreeBSD or OpenBSD 648 649 EnableWerror src add-ons accelerants ; 650 EnableWerror src add-ons bluetooth ; 651 EnableWerror src add-ons decorators ; 652 EnableWerror src add-ons disk_systems ; 653 EnableWerror src add-ons input_server ; 654 EnableWerror src add-ons kernel bluetooth ; 655 EnableWerror src add-ons kernel bus_managers ; 656 EnableWerror src add-ons kernel busses ; 657 EnableWerror src add-ons kernel console ; 658 EnableWerror src add-ons kernel cpu ; 659 EnableWerror src add-ons kernel debugger ; 660 EnableWerror src add-ons kernel drivers audio ; 661 EnableWerror src add-ons kernel drivers bluetooth ; 662 EnableWerror src add-ons kernel drivers bus ; 663 EnableWerror src add-ons kernel drivers common ; 664 EnableWerror src add-ons kernel drivers disk ; 665# EnableWerror src add-ons kernel drivers display ; 666 EnableWerror src add-ons kernel drivers dvb ; 667# EnableWerror src add-ons kernel drivers graphics ; 668 EnableWerror src add-ons kernel drivers graphics intel_extreme ; 669 EnableWerror src add-ons kernel drivers input ; 670 EnableWerror src add-ons kernel drivers joystick ; 671 EnableWerror src add-ons kernel drivers midi ; 672 EnableWerror src add-ons kernel drivers misc ; 673 EnableWerror src add-ons kernel drivers network ether 3com ; 674# EnableWerror src add-ons kernel drivers network ether atheros813x ; 675# EnableWerror src add-ons kernel drivers network ether atheros81xx ; 676# EnableWerror src add-ons kernel drivers network ether attansic_l1 ; 677# EnableWerror src add-ons kernel drivers network ether attansic_l2 ; 678# EnableWerror src add-ons kernel drivers network ether broadcom440x ; 679# EnableWerror src add-ons kernel drivers network ether broadcom570x ; 680# EnableWerror src add-ons kernel drivers network ether dec21xxx ; 681 EnableWerror src add-ons kernel drivers network ether etherpci ; 682# EnableWerror src add-ons kernel drivers network ether intel22x ; 683# EnableWerror src add-ons kernel drivers network ether ipro100 ; 684# EnableWerror src add-ons kernel drivers network ether ipro1000 ; 685# EnableWerror src add-ons kernel drivers network ether jmicron2x0 ; 686# EnableWerror src add-ons kernel drivers network ether marvell_yukon ; 687# EnableWerror src add-ons kernel drivers network ether nforce ; 688# EnableWerror src add-ons kernel drivers network ether pcnet ; 689 EnableWerror src add-ons kernel drivers network ether pegasus ; 690 EnableWerror src add-ons kernel drivers network ether rdc ; 691# EnableWerror src add-ons kernel drivers network ether rtl8139 ; 692# EnableWerror src add-ons kernel drivers network ether rtl81xx ; 693 EnableWerror src add-ons kernel drivers network ether sis19x ; 694# EnableWerror src add-ons kernel drivers network ether sis900 ; 695# EnableWerror src add-ons kernel drivers network ether syskonnect ; 696 EnableWerror src add-ons kernel drivers network ether usb_asix ; 697 EnableWerror src add-ons kernel drivers network ether usb_davicom ; 698 EnableWerror src add-ons kernel drivers network ether usb_ecm ; 699 EnableWerror src add-ons kernel drivers network ether usb_rndis ; 700 EnableWerror src add-ons kernel drivers network ether via_rhine ; 701 EnableWerror src add-ons kernel drivers network ether virtio ; 702# EnableWerror src add-ons kernel drivers network ether vt612x ; 703 EnableWerror src add-ons kernel drivers network ether wb840 ; 704# EnableWerror src add-ons kernel drivers network wlan ; 705 EnableWerror src add-ons kernel drivers network wwan ; 706 EnableWerror src add-ons kernel drivers ports ; 707 EnableWerror src add-ons kernel drivers power ; 708# EnableWerror src add-ons kernel drivers pty ; 709# EnableWerror src add-ons kernel drivers sensor ; 710# EnableWerror src add-ons kernel drivers timer ; 711 EnableWerror src add-ons kernel drivers video ; 712# EnableWerror src add-ons kernel drivers wmi ; 713 EnableWerror src add-ons kernel file_systems bfs ; 714 EnableWerror src add-ons kernel file_systems cdda ; 715 EnableWerror src add-ons kernel file_systems ext2 ; 716 EnableWerror src add-ons kernel file_systems fat ; 717 EnableWerror src add-ons kernel file_systems googlefs ; 718 EnableWerror src add-ons kernel file_systems iso9660 ; 719 EnableWerror src add-ons kernel file_systems layers ; 720# EnableWerror src add-ons kernel file_systems netfs ; 721 EnableWerror src add-ons kernel file_systems nfs ; 722 EnableWerror src add-ons kernel file_systems nfs4 ; 723# EnableWerror src add-ons kernel file_systems ntfs ; 724 EnableWerror src add-ons kernel file_systems packagefs ; 725 EnableWerror src add-ons kernel file_systems ramfs ; 726 EnableWerror src add-ons kernel file_systems reiserfs ; 727 EnableWerror src add-ons kernel file_systems udf ; 728 EnableWerror src add-ons kernel file_systems userlandfs ; 729 EnableWerror src add-ons kernel file_systems xfs ; 730 EnableWerror src add-ons kernel generic ; 731 EnableWerror src add-ons kernel network ; 732 EnableWerror src add-ons kernel partitioning_systems ; 733 EnableWerror src add-ons kernel power ; 734 EnableWerror src add-ons locale ; 735 EnableWerror src add-ons mail_daemon ; 736 EnableWerror src add-ons media media-add-ons ; 737 EnableWerror src add-ons media plugins ape_reader ; 738 EnableWerror src add-ons media plugins au_reader ; 739 EnableWerror src add-ons media plugins ffmpeg ; 740 EnableWerror src add-ons media plugins raw_decoder ; 741 EnableWerror src add-ons print ; 742 EnableWerror src add-ons screen_savers ; 743 EnableWerror src add-ons tracker ; 744 EnableWerror src add-ons translators bmp ; 745 EnableWerror src add-ons translators gif ; 746 EnableWerror src add-ons translators hvif ; 747 EnableWerror src add-ons translators ico ; 748 EnableWerror src add-ons translators jpeg ; 749# EnableWerror src add-ons translators jpeg2000 ; 750 EnableWerror src add-ons translators pcx ; 751 EnableWerror src add-ons translators png ; 752 EnableWerror src add-ons translators ppm ; 753 EnableWerror src add-ons translators raw ; 754 EnableWerror src add-ons translators rtf ; 755 EnableWerror src add-ons translators sgi ; 756 EnableWerror src add-ons translators shared ; 757 EnableWerror src add-ons translators stxt ; 758 EnableWerror src add-ons translators tga ; 759 EnableWerror src add-ons translators tiff ; 760 EnableWerror src add-ons translators wonderbrush ; 761 EnableWerror src add-ons print ; 762 EnableWerror src bin debug strace ; 763 EnableWerror src bin desklink ; 764 EnableWerror src bin listusb ; 765 EnableWerror src bin multiuser ; 766 EnableWerror src bin package ; 767 EnableWerror src bin package_repo ; 768 EnableWerror src bin pkgman ; 769 EnableWerror src bin writembr ; 770 EnableWerror src libs bsd ; 771 EnableWerror src apps ; 772 EnableWerror src kits ; 773 EnableWerror src preferences ; 774 EnableWerror src servers ; 775 EnableWerror src system boot ; 776 EnableWerror src system kernel ; 777 EnableWerror src system libroot add-ons ; 778 EnableWerror src system libroot os ; 779 EnableWerror src system libroot posix locale ; 780 EnableWerror src system libroot posix wchar ; 781 EnableWerror src system runtime_loader ; 782 783 EnableStackProtector src apps ; 784 EnableStackProtector src kits ; 785 EnableStackProtector src preferences ; 786 EnableStackProtector src servers ; 787 EnableStackProtector src system kernel ; 788} 789 790 791rule MultiArchIfPrimary ifValue : elseValue : architecture 792{ 793 # MultiArchIfPrimary <ifValue> : <elseValue> 794 # [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 795 # 796 # Returns one of the two given values depending on whether 797 # <architecture> is the primary packaging architecture. 798 799 architecture ?= $(TARGET_PACKAGING_ARCH) ; 800 801 if $(architecture) = $(TARGET_PACKAGING_ARCHS[1]) { 802 return $(ifValue) ; 803 } 804 return $(elseValue) ; 805} 806 807 808rule MultiArchConditionalGristFiles files : primaryGrist : secondaryGrist 809 : architecture 810{ 811 # MultiArchConditionalGristFiles <files> : <primaryGrist> 812 # : <secondaryGrist> [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 813 # 814 # Returns <files> with their grist set to either <primaryGrist> or 815 # <secondaryGrist> depending on whether <architecture> is the primary 816 # packaging architecture. 817 818 architecture ?= $(TARGET_PACKAGING_ARCH) ; 819 820 local grist = [ MultiArchIfPrimary $(primaryGrist) : $(secondaryGrist) 821 : $(architecture) ] ; 822 return $(files:G=$(grist:E=)) ; 823} 824 825 826rule MultiArchDefaultGristFiles files : gristPrefix : architecture 827{ 828 # MultiArchDefaultGristFiles <files> : <gristPrefix> 829 # [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 830 # 831 # Convenient shorthand for MultiArchConditionalGristFiles for the common 832 # case that for a secondary packaging architecture the packaging 833 # architecture name shall be appended to the grist while it shall be omitted 834 # for the primary packaging architecture. IOW, if architecture is the 835 # primary packaging architecture, <files> are returned with their grist set 836 # to <gristPrefix>, otherwise <files> are returned with their grist set to 837 # <gristPrefix>!<architecture> respectively <architecture> (if <gristPrefix> 838 # is empty). 839 840 architecture ?= $(TARGET_PACKAGING_ARCH) ; 841 842 local secondaryGrist = $(gristPrefix)!$(architecture) ; 843 secondaryGrist ?= $(architecture) ; 844 845 return [ MultiArchConditionalGristFiles $(files) : $(gristPrefix) : 846 $(secondaryGrist) : $(architecture) ] ; 847} 848 849 850rule MultiArchSubDirSetup architectures 851{ 852 # MultiArchSubDirSetup <architectures> ; 853 # 854 # For each of the given packaging architectures <architectures> that are 855 # in the packaging architectures configured for the build (or all configured 856 # packaging architectures, if <architectures> is empty) an object is 857 # prepared that can be used for an "on ... { ... }" block to set up subdir 858 # variables for the respective packaging architecture. Most notably 859 # TARGET_PACKAGING_ARCH, TARGET_ARCH are set to the values for the 860 # respective packaging architecture. The per-subdir variables SOURCE_GRIST, 861 # LOCATE_TARGET, LOCATE_SOURCE, SEARCH_SOURCE, *_LOCATE_TARGET, are reset. 862 # All SUBDIR* and config variables are set to the values they had when this 863 # rule was invoked. 864 865 local result ; 866 architectures ?= $(TARGET_PACKAGING_ARCHS) ; 867 local architecture ; 868 for architecture in $(architectures) { 869 if ! $(architecture) in $(TARGET_PACKAGING_ARCHS) { 870 continue ; 871 } 872 873 local architectureObject = $(architecture:G=<arch-object>) ; 874 result += $(architectureObject) ; 875 876 # Set the variables that default to the values of the respective 877 # variables for the primary architecture. 878 TARGET_PACKAGING_ARCH on $(architectureObject) = $(architecture) ; 879 880 local var ; 881 for var in TARGET_ARCH { 882 $(var) on $(architectureObject) = $($(var)_$(architecture)) ; 883 } 884 885 # Clone the current config variable values and the variables SubDir 886 # resets. 887 for var in $(AUTO_SET_UP_CONFIG_VARIABLES) SUBDIR$(SUBDIRRESET) { 888 $(var) on $(architectureObject) = $($(var)) ; 889 } 890 891 # adjust SOURCE_GRIST and HDRGRIST 892 SOURCE_GRIST on $(architectureObject) 893 = $(SOURCE_GRIST:E=)!$(architecture) ; 894 895 HDRGRIST on $(architectureObject) 896 = $(HDRGRIST:E=)!$(architecture) ; 897 898 # Adjust the subdir's object dirs that are architecture dependent. To 899 # avoid duplicating the code from SetupObjectsDir, we call it. Since it 900 # sets global variables, we set these variables on our object, call 901 # SetupObjectsDir in an "on" block, and grab the new variable values. 902 local hostTarget = HOST TARGET ; 903 local objectDirVars = 904 COMMON_ARCH COMMON_DEBUG DEBUG_$(HAIKU_DEBUG_LEVELS) 905 ; 906 objectDirVars = 907 COMMON_PLATFORM_LOCATE_TARGET 908 $(hostTarget)_$(objectDirVars)_LOCATE_TARGET 909 LOCATE_TARGET 910 LOCATE_SOURCE 911 SEARCH_SOURCE 912 ; 913 914 for var in $(objectDirVars) { 915 $(var) on $(architectureObject) = ; 916 } 917 918 on $(architectureObject) { 919 SetupObjectsDir ; 920 921 for var in $(objectDirVars) { 922 $(var) on $(architectureObject) = $($(var)) ; 923 } 924 } 925 } 926 927 return $(result) ; 928} 929