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 # analyze GCC version 11 local gccVersion 12 = [ FAnalyzeGCCVersion HAIKU_GCC_RAW_VERSION_$(architecture) ] ; 13 HAIKU_GCC_VERSION_$(architecture) = $(gccVersion) ; 14 15 # enable GCC -pipe option, if requested 16 local ccBaseFlags ; 17 if $(HAIKU_USE_GCC_PIPE) = 1 { 18 ccBaseFlags = -pipe ; 19 } 20 21 if $(gccVersion[1]) >= 3 { 22 # disable strict aliasing on anything newer than gcc 2 as it may lead to 23 # unexpected results. 24 # TODO: remove the -fno-strict-aliasing option when all code has been 25 # analyzed/fixed with regard to aliasing. 26 ccBaseFlags += -fno-strict-aliasing ; 27 28 # Without this flag, GCC deletes many null-pointer checks that are 29 # technically undefined behavior (e.g. passing NULL to strdup, among 30 # others), which breaks both the kernel and various applications. See: 31 # - https://freelists.org/post/haiku-development/hrev45320-Yet-another-nonobvious-effect-of-ftreevrp-optimization 32 # - https://dev.haiku-os.org/ticket/13285#comment:8 (& subsequent comments) 33 # - https://dev.haiku-os.org/ticket/10803#comment:4 (& subsequent comments) 34 # Note that the Linux also does the same: 35 # - https://github.com/torvalds/linux/commit/a3ca86aea507904 36 ccBaseFlags += -fno-delete-null-pointer-checks ; 37 38 # disable some builtins that are incompatible with our definitions 39 ccBaseFlags += -fno-builtin-fork -fno-builtin-vfork ; 40 } 41 42 # default architecture tuning 43 local cpu = $(HAIKU_CPU_$(architecture)) ; 44 local archFlags ; 45 switch $(cpu) { 46 case ppc : archFlags += -mcpu=440fp ; 47 case arm : archFlags += -march=armv7-a -mfloat-abi=hard ; 48 case x86 : archFlags += -march=pentium ; 49 } 50 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 51 # TODO: These should be included in Clang's compiler specs. 52 ccBaseFlags += -fPIC ; 53 HAIKU_LINKFLAGS_$(architecture) += -shared ; 54 } 55 ccBaseFlags += $(archFlags) ; 56 57 # activating graphite optimizations 58 if $(HAIKU_USE_GCC_GRAPHITE_$(architecture)) = 1 { 59 ccBaseFlags += -floop-interchange -ftree-loop-distribution 60 -floop-strip-mine -floop-block ; 61 } 62 63 # initial state for flags etc. 64 HAIKU_C++_$(architecture) ?= $(HAIKU_CC_$(architecture)) ; 65 HAIKU_LINK_$(architecture) ?= $(HAIKU_CC_$(architecture)) ; 66 67 HAIKU_CCFLAGS_$(architecture) += $(ccBaseFlags) -nostdinc ; 68 HAIKU_C++FLAGS_$(architecture) += $(ccBaseFlags) -nostdinc ; 69 HAIKU_LINKFLAGS_$(architecture) += $(ccBaseFlags) ; 70 HAIKU_ASFLAGS_$(architecture) += $(archFlags) -nostdinc ; 71 72 # strip is required 73 if ! $(HAIKU_STRIP_$(architecture)) { 74 Exit "HAIKU_STRIP_$(architecture) not set. Please re-run configure." ; 75 } 76 77 HAIKU_ARCH_$(architecture) = $(cpu) ; 78 HAIKU_ARCH ?= $(cpu) ; 79 # Set only, if not set yet. This way HAIKU_ARCH is set to the primary 80 # architecture. 81 if ! $(cpu) in $(HAIKU_ARCHS) { 82 HAIKU_ARCHS += $(cpu) ; 83 } 84 HAIKU_DEFINES_$(architecture) += ARCH_$(cpu) ; 85 86 # directories 87 HAIKU_ARCH_OBJECT_DIR_$(architecture) 88 = [ FDirName $(HAIKU_OBJECT_BASE_DIR) $(architecture) ] ; 89 HAIKU_COMMON_DEBUG_OBJECT_DIR_$(architecture) 90 = [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) common ] ; 91 HAIKU_DEBUG_0_OBJECT_DIR_$(architecture) 92 = [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) release ] ; 93 94 local level ; 95 for level in $(HAIKU_DEBUG_LEVELS[2-]) { 96 HAIKU_DEBUG_$(level)_OBJECT_DIR_$(architecture) 97 = [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) 98 debug_$(level) ] ; 99 } 100 101 # set variables for gcc header options 102 SetIncludePropertiesVariables HAIKU : _$(architecture) ; 103 104 # warning flags 105 HAIKU_WARNING_CCFLAGS_$(architecture) = -Wall 106 -Wno-multichar 107 -Wpointer-arith -Wsign-compare 108 -Wmissing-prototypes ; 109 HAIKU_WARNING_C++FLAGS_$(architecture) = -Wall 110 -Wno-multichar 111 -Wpointer-arith -Wsign-compare 112 -Wno-ctor-dtor-privacy -Woverloaded-virtual ; 113 114 # disable some Clang warnings that are not very useful 115 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 116 HAIKU_WARNING_CCFLAGS_$(architecture) += -Wno-address-of-packed-member 117 -Wno-unused-private-field -Wno-cast-align -Wno-gnu-designator 118 -Wno-builtin-requires-header ; 119 HAIKU_WARNING_C++FLAGS_$(architecture) += -Wno-address-of-packed-member 120 -Wno-unused-private-field -Wno-cast-align -Wno-gnu-designator 121 -Wno-builtin-requires-header ; 122 } 123 124 HAIKU_WERROR_FLAGS_$(architecture) = ; 125 126 if $(gccVersion[1]) >= 4 { 127 # TODO: Remove all these. 128 HAIKU_WERROR_FLAGS_$(architecture) += -Wno-error=unused-but-set-variable 129 -Wno-error=deprecated -Wno-error=deprecated-declarations 130 -Wno-error=cpp -Wno-error=trigraphs ; 131 # But these can stay. 132 HAIKU_WERROR_FLAGS_$(architecture) += -Wno-error=cast-align 133 -Wno-error=format-truncation ; 134 } 135 136 # debug flags 137 local debugFlags = -ggdb ; 138 139 # debug 0: suppress asserts 140 HAIKU_DEBUG_0_CCFLAGS_$(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 if $(gccVersion[1]) < 3 { 154 HAIKU_DEFINES_$(architecture) += _BEOS_R5_COMPATIBLE_ ; 155 } 156 157 # private shared kernel/libroot headers 158 HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture) 159 = [ PrivateHeaders $(DOT) system system/arch/$(cpu) ] ; 160 161 # library and executable glue code 162 local commonGlueCode = 163 <src!system!glue!$(architecture)>init_term_dyn.o 164 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 165 <src!system!glue!arch!$(cpu)!$(architecture)>crtn.o 166 ; 167 HAIKU_LIBRARY_BEGIN_GLUE_CODE_$(architecture) = 168 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 169 <$(architecture)>crtbeginS.o 170 <src!system!glue!$(architecture)>init_term_dyn.o 171 ; 172 HAIKU_LIBRARY_END_GLUE_CODE_$(architecture) = 173 <$(architecture)>crtendS.o 174 <src!system!glue!arch!$(cpu)!$(architecture)>crtn.o 175 ; 176 HAIKU_EXECUTABLE_BEGIN_GLUE_CODE_$(architecture) = 177 <src!system!glue!arch!$(cpu)!$(architecture)>crti.o 178 <$(architecture)>crtbeginS.o 179 <src!system!glue!$(architecture)>start_dyn.o 180 <src!system!glue!$(architecture)>init_term_dyn.o 181 ; 182 HAIKU_EXECUTABLE_END_GLUE_CODE_$(architecture) 183 = $(HAIKU_LIBRARY_END_GLUE_CODE_$(architecture)) ; 184 185 SEARCH on <$(architecture)>crtbeginS.o <$(architecture)>crtendS.o 186 = $(HAIKU_GCC_LIB_DIR_$(architecture)) ; 187 188 # init library name map 189 local libraryGrist = "" ; 190 if $(architecture) != $(HAIKU_PACKAGING_ARCHS[1]) { 191 libraryGrist = $(architecture) ; 192 } 193 local i ; 194 for i in be bnetapi debug device game locale mail media midi midi2 195 network package root screensaver textencoding tracker 196 translation z { 197 local library = lib$(i).so ; 198 HAIKU_LIBRARY_NAME_MAP_$(architecture)_$(i) 199 = $(library:G=$(libraryGrist)) ; 200 } 201 HAIKU_LIBRARY_NAME_MAP_$(architecture)_localestub 202 = <$(architecture)>liblocalestub.a ; 203 HAIKU_LIBRARY_NAME_MAP_$(architecture)_shared 204 = <$(architecture)>libshared.a ; 205 if $(architecture) = $(HAIKU_PACKAGING_ARCHS[1]) { 206 HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server 207 = <nogrist>input_server ; 208 } else { 209 HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server 210 = <$(architecture)>input_server ; 211 } 212} 213 214 215rule KernelArchitectureSetup architecture 216{ 217 # KernelArchitectureSetup <architecture> ; 218 # 219 # Initializes the global kernel and boot loader related variables. Those 220 # don't have a packaging architecture suffix, since they are only set for 221 # the primary packaging architecture. <architecture> is the primary 222 # packaging architecture (supplied for convenience). 223 224 HAIKU_KERNEL_ARCH = $(HAIKU_ARCH) ; 225 226 local gccVersion = $(HAIKU_GCC_VERSION_$(architecture)) ; 227 local cpu = $(HAIKU_CPU_$(architecture)) ; 228 229 switch $(cpu) { 230 case ppc : 231 HAIKU_KERNEL_PLATFORM ?= openfirmware ; 232 HAIKU_BOOT_TARGETS += openfirmware ; 233 234 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 235 # offset in floppy image (>= sizeof(haiku_loader)) 236 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 237 238 case sparc : 239 HAIKU_KERNEL_PLATFORM ?= openfirmware ; 240 HAIKU_BOOT_TARGETS += openfirmware ; 241 242 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 243 # offset in floppy image (>= sizeof(haiku_loader)) 244 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB 245 246 case arm : 247 HAIKU_KERNEL_PLATFORM ?= u-boot ; 248 HAIKU_BOOT_TARGETS += u-boot ; 249 250 HAIKU_BOOT_SDIMAGE_SIZE ?= 32 ; 251 # SOC's like allwinner need an offset to skip the hardcoded initial loader 252 HAIKU_BOOT_SDIMAGE_BEGIN = 40950 ; # 512-byte sectors (divisible by 63) 253 254 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 255 # offset in floppy image (>= sizeof(haiku_loader)) 256 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 257 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 258 259 # Modern u-boot fill in sane addresses for us. 260 # Leverage the built-in fdt dtb for this board, unless a custom dtb is specified in uEnv.txt 261 # We skip uEnv.txt on virtio due to an unknown lockup in qemu around it. 262 HAIKU_MMC_UBOOT_SCRIPT = "\ 263 echo \"Haiku u-boot script entry\" \ 264 test -e mmc 0 haiku_loader.ub && setenv media mmc \ 265 test -e virtio 0 haiku_loader.ub && setenv media virtio \ 266 test -e nvme 0 haiku_loader.ub && setenv media nvme \ 267 env exists media && echo \"Found Haiku on ${media} 0!\" \ 268 env exists media || echo \"ERROR: Unable to locate Haiku loader on any media!\" && exit \ 269 test ${media} != virtio && test -e ${media} 0 uEnv.txt && fatload ${media} 0 ${scriptaddr} uEnv.txt && env import -t ${scriptaddr} ${filesize} \ 270 echo \"Loading haiku_loader...\" \ 271 fatload ${media} 0 ${kernel_addr_r} haiku_loader.ub \ 272 echo \"Loading haiku_floppyboot...\" \ 273 fatload ${media} 0 ${ramdisk_addr_r} haiku_floppyboot.ub \ 274 env exists dtb && echo \"Loading DTB...\" && fatload ${media} 0 ${fdt_addr_r} ${dtb} && fdt addr ${fdt_addr_r} && bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r} \ 275 echo \"Booting Haiku!\" \ 276 fdt addr ${fdtcontroladdr} && bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdtcontroladdr}" ; 277 278 case arm64 : 279 HAIKU_KERNEL_PLATFORM ?= efi ; 280 281 HAIKU_BOOT_SDIMAGE_SIZE ?= 32 ; 282 # SOC's like allwinner need an offset to skip the hardcoded initial loader 283 HAIKU_BOOT_SDIMAGE_BEGIN = 40950 ; # 512-byte sectors (divisible by 63) 284 285 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 286 # offset in floppy image (>= sizeof(haiku_loader)) 287 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 288 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 289 290 case x86 : 291 HAIKU_KERNEL_PLATFORM ?= bios_ia32 ; 292 HAIKU_BOOT_TARGETS += bios_ia32 pxe_ia32 ; 293 HAIKU_ANYBOOT_LEGACY = 1 ; 294 295 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB 296 # offset in floppy image (>= sizeof(haiku_loader)) 297 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 320 ; # in kB 298 299 # nasm is required for target arch x86 300 if ! $(HAIKU_NASM) { 301 Exit "HAIKU_NASM not set. Please re-run configure." ; 302 } 303 304 case riscv64 : 305 HAIKU_KERNEL_PLATFORM ?= efi ; 306 HAIKU_BOOT_TARGETS += efi ; 307 308 HAIKU_BOOT_SDIMAGE_SIZE ?= 128 ; 309 # SOC's like allwinner need an offset to skip the hardcoded initial loader 310 HAIKU_BOOT_SDIMAGE_BEGIN = 40950 ; # 512-byte sectors (divisible by 63) 311 312 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; 313 # offset in floppy image (>= sizeof(haiku_loader)) 314 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet 315 HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ; 316 317 case x86_64 : 318 # x86_64 completely shares the x86 bootloader for MBR. 319 HAIKU_KERNEL_PLATFORM ?= bios_ia32 ; 320 HAIKU_BOOT_TARGETS += bios_ia32 efi pxe_ia32 ; 321 322 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB 323 # offset in floppy image (>= sizeof(haiku_loader)) 324 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 320 ; # in kB 325 326 # x86_64 kernel source is under arch/x86. 327 HAIKU_KERNEL_ARCH = x86 ; 328 329 # nasm is required for target arch x86_64 330 if ! $(HAIKU_NASM) { 331 Exit "HAIKU_NASM not set. Please re-run configure." ; 332 } 333 334 case m68k : 335 HAIKU_KERNEL_PLATFORM ?= atari_m68k ; 336 HAIKU_BOOT_TARGETS += amiga_m68k atari_m68k ; 337 switch $(HAIKU_KERNEL_PLATFORM) { 338 case atari_m68k : 339 { 340 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB 341 } 342 case amiga_m68k : 343 { 344 # for now we have trouble reading from double-sided images 345 HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 880 ; # in kB 346 } 347 } 348 # offset in floppy image (>= sizeof(haiku_loader)) 349 HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 260 ; # in kB 350 HAIKU_CONTAINER_STRIP_EXECUTABLES on 351 $(HAIKU_FLOPPY_BOOT_IMAGE_CONTAINER_NAME) = 1 ; 352 353 case * : 354 Exit "Currently unsupported target CPU:" $(cpu) ; 355 } 356 357 # private kernel headers to be used when compiling kernel code 358 HAIKU_PRIVATE_KERNEL_HEADERS = 359 [ PrivateHeaders $(DOT) kernel libroot shared 360 kernel/boot/platform/$(HAIKU_KERNEL_PLATFORM) ] 361 [ ArchHeaders $(HAIKU_KERNEL_ARCH) ] 362 [ FDirName $(HAIKU_COMMON_DEBUG_OBJECT_DIR_$(architecture)) system 363 kernel ] 364 $(HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture)) 365 ; 366 367 # C/C++ flags 368 local ccBaseFlags = -finline -fno-builtin ; 369 370 if $(gccVersion[1]) >= 4 { 371 ccBaseFlags += -ffreestanding ; 372 } 373 374 local c++BaseFlags = $(ccBaseFlags) -fno-exceptions ; 375 376 if $(gccVersion[1]) >= 3 && $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 377 c++BaseFlags += -fno-use-cxa-atexit ; 378 } 379 380 HAIKU_KERNEL_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ; 381 HAIKU_KERNEL_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ; 382 HAIKU_KERNEL_PIC_CCFLAGS = ; 383 HAIKU_KERNEL_PIC_LINKFLAGS = ; 384 HAIKU_KERNEL_ADDON_LINKFLAGS = ; 385 386 # Common boot-related cflags which apply to all loaders 387 HAIKU_BOOT_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ; 388 HAIKU_BOOT_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ; 389 HAIKU_BOOT_LINKFLAGS = ; 390 HAIKU_BOOT_LDFLAGS = -Bstatic ; 391 392 # Remove -fPIC and other unwanted options from the BOOT flags (they are sometimes 393 # added to force PIC in general.) 394 local fixedBootCCFlags ; 395 local fixedBootC++Flags ; 396 for flag in $(HAIKU_BOOT_CCFLAGS) { 397 if $(flag) = "-fpic" || $(flag) = "-fPIC" { 398 continue ; 399 } 400 fixedBootCCFlags += $(flag) ; 401 } 402 for flag in $(HAIKU_BOOT_C++FLAGS) { 403 if $(flag) = "-fpic" || $(flag) = "-fPIC" { 404 continue ; 405 } 406 fixedBootC++Flags += $(flag) ; 407 } 408 HAIKU_BOOT_CCFLAGS = $(fixedBootCCFlags) ; 409 HAIKU_BOOT_C++FLAGS = $(fixedBootC++Flags) ; 410 411 # Any special kernel base addresses 412 if $(HAIKU_BOOT_LOADER_BASE) { 413 HAIKU_BOOT_LDFLAGS += 414 --defsym BOOT_LOADER_BASE=$(HAIKU_BOOT_LOADER_BASE) ; 415 } 416 417 switch $(cpu) { 418 case arm : 419 # Workaround for ld using 32k for alignment despite forcing it in the config... 420 # should definitely not be needed! 421 HAIKU_KERNEL_LINKFLAGS += 422 -Wl,-z -Wl,max-page-size=0x1000 423 -Wl,-z -Wl,common-page-size=0x1000 ; 424 425 case arm64 : 426 # Workaround for ld using 32k for alignment despite forcing it in the config... 427 # should definitely not be needed! 428 HAIKU_KERNEL_LINKFLAGS += 429 -Wl,-z -Wl,max-page-size=0x1000 430 -Wl,-z -Wl,common-page-size=0x1000 ; 431 432 HAIKU_KERNEL_PIC_CCFLAGS = -fPIC ; 433 HAIKU_KERNEL_PIC_LINKFLAGS = -shared -fPIC ; 434 435 case ppc : 436 # Build a position independent PPC kernel. We need to be able to 437 # relocate the kernel, since the virtual address space layout at 438 # boot time is not fixed. 439 HAIKU_KERNEL_PIC_CCFLAGS = -fPIE ; 440 HAIKU_KERNEL_PIC_LINKFLAGS = -shared -fPIE ; 441 442 case m68k : 443 # We don't want to have to handle emulating missing FPU opcodes for 444 # 040 and 060 in the kernel. 445 HAIKU_KERNEL_CCFLAGS += -mtune=68020-60 ; 446 HAIKU_KERNEL_C++FLAGS += -mtune=68020-60 ; 447 448 case riscv64 : 449 # Kernel lives within any single 2 GiB address space. 450 # Default is medlow (-2GiB / +2GiB) 451 HAIKU_KERNEL_CCFLAGS += -mcmodel=medany ; 452 HAIKU_KERNEL_C++FLAGS += -mcmodel=medany ; 453 454 case x86 : 455 HAIKU_KERNEL_PIC_CCFLAGS = -fno-pic ; 456 HAIKU_KERNEL_CCFLAGS += -march=pentium ; 457 HAIKU_KERNEL_C++FLAGS += -march=pentium ; 458 459 case x86_64 : 460 # Kernel lives in the top 2GB of the address space, use kernel code 461 # model. 462 HAIKU_KERNEL_PIC_CCFLAGS = -fno-pic -mcmodel=kernel ; 463 464 # Disable the red zone, which cannot be used in kernel code due to 465 # interrupts, and always enable the frame pointer so stack traces 466 # are correct. 467 HAIKU_KERNEL_CCFLAGS += -mno-red-zone -fno-omit-frame-pointer ; 468 HAIKU_KERNEL_C++FLAGS += -mno-red-zone -fno-omit-frame-pointer ; 469 HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ; 470 HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ; 471 472 if x86 in $(HAIKU_ARCHS[2-]) || x86_gcc2 in $(HAIKU_ARCHS[2-]) { 473 Echo "Enable kernel ia32 compatibility" ; 474 HAIKU_KERNEL_DEFINES += _COMPAT_MODE ; 475 HAIKU_KERNEL_COMPAT_MODE = 1 ; 476 } 477 } 478 479 # bootloader-centric flags 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 } 503 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS = -Bstatic -Bsymbolic 504 -nostdlib -znocombreloc -no-undefined ; 505 case bios_ia32 : 506 # bios_ia32 is non-PIC 507 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -march=pentium ; 508 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -march=pentium ; 509 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 510 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386 ; 511 } else { 512 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386_haiku ; 513 } 514 if $(gccVersion[1]) >= 3 { 515 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -Wno-error=main -m32 ; 516 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -Wno-error=main -m32 ; 517 } 518 case pxe_ia32 : 519 # pxe_ia32 is non-PIC 520 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -march=pentium ; 521 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -march=pentium ; 522 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 523 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386 ; 524 } else { 525 HAIKU_BOOT_$(bootTarget:U)_LDFLAGS += -m elf_i386_haiku ; 526 } 527 if $(gccVersion[1]) >= 3 { 528 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -Wno-error=main -m32 ; 529 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -Wno-error=main -m32 ; 530 } 531 case * : 532 # all other bootloaders are non-PIC 533 HAIKU_BOOT_$(bootTarget:U)_CCFLAGS += -fno-pic -Wno-error=main ; 534 HAIKU_BOOT_$(bootTarget:U)_C++FLAGS += -fno-pic -Wno-error=main ; 535 } 536 } 537 538 # warning flags 539 HAIKU_KERNEL_WARNING_CCFLAGS = $(HAIKU_WARNING_CCFLAGS_$(architecture)) ; 540 HAIKU_KERNEL_WARNING_C++FLAGS = $(HAIKU_WARNING_C++FLAGS_$(architecture)) ; 541 542 # debug flags 543 local level ; 544 for level in $(HAIKU_DEBUG_LEVELS) { 545 local flags = $(HAIKU_DEBUG_FLAGS) [ FDefines DEBUG=$(level) ] ; 546 HAIKU_KERNEL_DEBUG_$(level)_CCFLAGS 547 = $(HAIKU_DEBUG_$(level)_CCFLAGS_$(architecture)) ; 548 HAIKU_KERNEL_DEBUG_$(level)_C++FLAGS 549 = $(HAIKU_DEBUG_$(level)_C++FLAGS_$(architecture)) ; 550 } 551 552 # defines 553 HAIKU_KERNEL_DEFINES += _KERNEL_MODE ; 554 555 HAIKU_DEFINES_$(architecture) 556 += BOOT_ARCHIVE_IMAGE_OFFSET=$(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ; 557 # TODO: That doesn't need to be a general define. It's just needed for 558 # compiling (part of) the boot loader. 559 560 # kernel add-on glue code 561 HAIKU_KERNEL_ADDON_BEGIN_GLUE_CODE = <$(architecture)>crtbeginS.o 562 <src!system!glue!$(architecture)>haiku_version_glue.o ; 563 HAIKU_KERNEL_ADDON_END_GLUE_CODE = <$(architecture)>crtendS.o ; 564} 565 566 567rule ArchitectureSetupWarnings architecture 568{ 569 # ArchitectureSetupWarnings <architecture> ; 570 # 571 # Sets up compiler warnings and error flags for various subdirectories for 572 # the given packaging architecture. 573 574 if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 { 575 AppendToConfigVar CCFLAGS : 576 HAIKU_TOP src system libroot posix glibc : 577 -fgnu89-inline -fheinous-gnu-extensions : global ; 578 } 579 580 local cpu = $(HAIKU_CPU_$(architecture)) ; 581 switch $(cpu) { 582 case arm : 583 return ; 584 # we use #warning as placeholders for things to write... 585 case m68k : 586 return ; 587 # we use #warning as placeholders for things to write... 588 case ppc : 589 return ; 590 # we use #warning as placeholders for things to write... 591 } 592 593 # enable -Werror for certain parts of the source tree 594 HAIKU_WERROR_ARCH = $(architecture) ; 595 596 rule EnableWerror dirTokens : scope { 597 # Clang gives way more warnings than GCC, so that code won't compile 598 # with -Werror when using Clang. 599 if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 { 600 SetConfigVar WARNINGS : HAIKU_TOP $(dirTokens) : treatAsErrors 601 : $(scope) ; 602 } 603 } 604 605 # Work-around for GCC 2 problem -- despite -Wno-multichar it reports 606 # multichar warnings in headers/private/kernel/debugger_keymaps.h included 607 # by src/system/kernel/arch/x86/arch_debug_console.cpp. 608 local gccVersion = $(HAIKU_GCC_VERSION_$(architecture)) ; 609 if $(gccVersion[1]) = 2 { 610 local file = <src!system!kernel!arch!x86>arch_debug_console.o ; 611 WARNINGS on $(file) = $(WARNINGS) ; 612 } 613 614 EnableWerror src add-ons accelerants ; 615 EnableWerror src add-ons bluetooth ; 616 EnableWerror src add-ons decorators ; 617 EnableWerror src add-ons disk_systems ; 618 EnableWerror src add-ons input_server devices ; 619 EnableWerror src add-ons input_server filters ; 620# EnableWerror src add-ons input_server methods pen ; 621 EnableWerror src add-ons input_server methods t9 ; 622 EnableWerror src add-ons kernel bluetooth ; 623 EnableWerror src add-ons kernel bus_managers acpi ; 624 EnableWerror src add-ons kernel bus_managers agp_gart ; 625 EnableWerror src add-ons kernel bus_managers ata ; 626 EnableWerror src add-ons kernel bus_managers config_manager ; 627# EnableWerror src add-ons kernel bus_managers firewire ; 628 EnableWerror src add-ons kernel bus_managers ide ; 629 EnableWerror src add-ons kernel bus_managers isa ; 630 EnableWerror src add-ons kernel bus_managers pci ; 631 EnableWerror src add-ons kernel bus_managers ps2 ; 632 EnableWerror src add-ons kernel bus_managers random ; 633 EnableWerror src add-ons kernel bus_managers scsi ; 634 EnableWerror src add-ons kernel bus_managers tty ; 635 EnableWerror src add-ons kernel bus_managers usb ; 636 EnableWerror src add-ons kernel bus_managers virtio ; 637 EnableWerror src add-ons kernel busses agp_gart ; 638 EnableWerror src add-ons kernel busses ata ; 639 EnableWerror src add-ons kernel busses scsi ; 640 EnableWerror src add-ons kernel busses usb ; 641 EnableWerror src add-ons kernel console ; 642 EnableWerror src add-ons kernel cpu ; 643# EnableWerror src add-ons kernel debugger ; # gcc2 644# EnableWerror src add-ons kernel drivers audio ; 645 EnableWerror src add-ons kernel drivers bluetooth ; 646# EnableWerror src add-ons kernel drivers bus ; 647 EnableWerror src add-ons kernel drivers common ; 648# EnableWerror src add-ons kernel drivers disk ; 649 EnableWerror src add-ons kernel drivers dvb ; 650# EnableWerror src add-ons kernel drivers graphics ; 651 EnableWerror src add-ons kernel drivers graphics intel_extreme ; 652# EnableWerror src add-ons kernel drivers input ; 653 EnableWerror src add-ons kernel drivers joystick ; 654 EnableWerror src add-ons kernel drivers midi ; 655 EnableWerror src add-ons kernel drivers misc ; 656# EnableWerror src add-ons kernel drivers network ; 657 EnableWerror src add-ons kernel drivers ports ; 658# EnableWerror src add-ons kernel drivers power ; 659 EnableWerror src add-ons kernel drivers printer ; 660 EnableWerror src add-ons kernel drivers random ; 661 EnableWerror src add-ons kernel drivers tty ; 662 EnableWerror src add-ons kernel drivers video ; 663 EnableWerror src add-ons kernel file_systems bfs ; 664 EnableWerror src add-ons kernel file_systems cdda ; 665# EnableWerror src add-ons kernel file_systems ext2 ; 666# EnableWerror src add-ons kernel file_systems fat ; 667# EnableWerror src add-ons kernel file_systems googlefs ; 668 EnableWerror src add-ons kernel file_systems iso9660 ; 669 EnableWerror src add-ons kernel file_systems layers ; 670# EnableWerror src add-ons kernel file_systems netfs ; 671# EnableWerror src add-ons kernel file_systems nfs ; 672 EnableWerror src add-ons kernel file_systems nfs4 ; 673# EnableWerror src add-ons kernel file_systems ntfs ; 674 EnableWerror src add-ons kernel file_systems packagefs ; 675# EnableWerror src add-ons kernel file_systems ramfs ; 676# EnableWerror src add-ons kernel file_systems reiserfs ; 677 EnableWerror src add-ons kernel file_systems udf ; 678 EnableWerror src add-ons kernel file_systems userlandfs ; 679 EnableWerror src add-ons kernel generic ; 680# EnableWerror src add-ons kernel network datalink_protocols ; 681 EnableWerror src add-ons kernel network devices ; 682 EnableWerror src add-ons kernel network dns_resolver ; 683 EnableWerror src add-ons kernel network notifications ; 684 EnableWerror src add-ons kernel network ppp ; 685 EnableWerror src add-ons kernel network protocols ; 686# EnableWerror src add-ons kernel network stack ; 687 EnableWerror src add-ons kernel partitioning_systems ; 688 EnableWerror src add-ons kernel power ; 689 EnableWerror src add-ons locale ; 690 EnableWerror src add-ons mail_daemon ; 691 EnableWerror src add-ons media media-add-ons demultiplexer ; 692 EnableWerror src add-ons media media-add-ons dvb ; 693 EnableWerror src add-ons media media-add-ons esound_sink ; 694 EnableWerror src add-ons media media-add-ons finepix_webcam ; 695 EnableWerror src add-ons media media-add-ons firewire_dv ; 696 EnableWerror src add-ons media media-add-ons legacy ; 697 EnableWerror src add-ons media media-add-ons mixer ; 698 EnableWerror src add-ons media media-add-ons multi_audio ; 699 EnableWerror src add-ons media media-add-ons opensound ; 700 EnableWerror src add-ons media media-add-ons radeon ; 701 EnableWerror src add-ons media media-add-ons reader ; 702 EnableWerror src add-ons media media-add-ons tone_producer_demo ; 703 EnableWerror src add-ons media media-add-ons usb_vision ; 704# EnableWerror src add-ons media media-add-ons usb_webcam ; 705 EnableWerror src add-ons media media-add-ons video_mixer ; 706# EnableWerror src add-ons media media-add-ons video_producer_demo ; 707 EnableWerror src add-ons media media-add-ons videowindow ; 708 EnableWerror src add-ons media media-add-ons writer ; 709 EnableWerror src add-ons media plugins ape_reader ; 710 EnableWerror src add-ons media plugins au_reader ; 711# EnableWerror src add-ons media plugins ffmpeg ; 712# EnableWerror src add-ons media plugins raw_decoder ; 713 EnableWerror src add-ons print ; 714 EnableWerror src add-ons screen_savers ; 715 EnableWerror src add-ons tracker ; 716 EnableWerror src add-ons translators bmp ; 717 EnableWerror src add-ons translators exr ; 718 EnableWerror src add-ons translators gif ; 719 EnableWerror src add-ons translators hvif ; 720 EnableWerror src add-ons translators ico ; 721 EnableWerror src add-ons translators jpeg ; 722# EnableWerror src add-ons translators jpeg2000 ; 723 EnableWerror src add-ons translators pcx ; 724 EnableWerror src add-ons translators png ; 725 EnableWerror src add-ons translators ppm ; 726 EnableWerror src add-ons translators raw ; 727 EnableWerror src add-ons translators rtf ; 728 EnableWerror src add-ons translators sgi ; 729 EnableWerror src add-ons translators shared ; 730 EnableWerror src add-ons translators stxt ; 731 EnableWerror src add-ons translators tga ; 732 EnableWerror src add-ons translators tiff ; 733 EnableWerror src add-ons translators wonderbrush ; 734 EnableWerror src add-ons print ; 735 EnableWerror src bin desklink ; 736 EnableWerror src bin multiuser ; 737 EnableWerror src bin package ; 738 EnableWerror src bin package_repo ; 739 EnableWerror src bin pkgman ; 740 EnableWerror src libs bsd ; 741 EnableWerror src apps ; 742 EnableWerror src kits ; 743 EnableWerror src preferences ; 744 EnableWerror src servers ; 745 EnableWerror src system boot ; 746 EnableWerror src system kernel ; 747 EnableWerror src system libroot add-ons ; 748 EnableWerror src system libroot os ; 749 EnableWerror src system libroot posix locale ; 750 EnableWerror src system libroot posix wchar ; 751 EnableWerror src system runtime_loader ; 752} 753 754 755rule MultiArchIfPrimary ifValue : elseValue : architecture 756{ 757 # MultiArchIfPrimary <ifValue> : <elseValue> 758 # [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 759 # 760 # Returns one of the two given values depending on whether 761 # <architecture> is the primary packaging architecture. 762 763 architecture ?= $(TARGET_PACKAGING_ARCH) ; 764 765 if $(architecture) = $(TARGET_PACKAGING_ARCHS[1]) { 766 return $(ifValue) ; 767 } 768 return $(elseValue) ; 769} 770 771 772rule MultiArchConditionalGristFiles files : primaryGrist : secondaryGrist 773 : architecture 774{ 775 # MultiArchConditionalGristFiles <files> : <primaryGrist> 776 # : <secondaryGrist> [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 777 # 778 # Returns <files> with their grist set to either <primaryGrist> or 779 # <secondaryGrist> depending on whether <architecture> is the primary 780 # packaging architecture. 781 782 architecture ?= $(TARGET_PACKAGING_ARCH) ; 783 784 local grist = [ MultiArchIfPrimary $(primaryGrist) : $(secondaryGrist) 785 : $(architecture) ] ; 786 return $(files:G=$(grist:E=)) ; 787} 788 789 790rule MultiArchDefaultGristFiles files : gristPrefix : architecture 791{ 792 # MultiArchDefaultGristFiles <files> : <gristPrefix> 793 # [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ; 794 # 795 # Convenient shorthand for MultiArchConditionalGristFiles for the common 796 # case that for a secondary packaging architecture the packaging 797 # architecture name shall be appended to the grist while it shall be omitted 798 # for the primary packaging architecture. IOW, if architecture is the 799 # primary packaging architecture, <files> are returned with their grist set 800 # to <gristPrefix>, otherwise <files> are returned with their grist set to 801 # <gristPrefix>!<architecture> respectively <architecture> (if <gristPrefix> 802 # is empty). 803 804 architecture ?= $(TARGET_PACKAGING_ARCH) ; 805 806 local secondaryGrist = $(gristPrefix)!$(architecture) ; 807 secondaryGrist ?= $(architecture) ; 808 809 return [ MultiArchConditionalGristFiles $(files) : $(gristPrefix) : 810 $(secondaryGrist) : $(architecture) ] ; 811} 812 813 814rule MultiArchSubDirSetup architectures 815{ 816 # MultiArchSubDirSetup <architectures> ; 817 # 818 # For each of the given packaging architectures <architectures> that are 819 # in the packaging architectures configured for the build (or all configured 820 # packaging architectures, if <architectures> is empty) an object is 821 # prepared that can be used for an "on ... { ... }" block to set up subdir 822 # variables for the respective packaging architecture. Most notably 823 # TARGET_PACKAGING_ARCH, TARGET_ARCH are set to the values for the 824 # respective packaging architecture. The per-subdir variables SOURCE_GRIST, 825 # LOCATE_TARGET, LOCATE_SOURCE, SEARCH_SOURCE, *_LOCATE_TARGET, are reset. 826 # All SUBDIR* and config variables are set to the values they had when this 827 # rule was invoked. 828 829 local result ; 830 architectures ?= $(TARGET_PACKAGING_ARCHS) ; 831 local architecture ; 832 for architecture in $(architectures) { 833 if ! $(architecture) in $(TARGET_PACKAGING_ARCHS) { 834 continue ; 835 } 836 837 local architectureObject = $(architecture:G=<arch-object>) ; 838 result += $(architectureObject) ; 839 840 # Set the variables that default to the values of the respective 841 # variables for the primary architecture. 842 TARGET_PACKAGING_ARCH on $(architectureObject) = $(architecture) ; 843 844 local var ; 845 for var in TARGET_ARCH { 846 $(var) on $(architectureObject) = $($(var)_$(architecture)) ; 847 } 848 849 # Clone the current config variable values and the variables SubDir 850 # resets. 851 for var in $(AUTO_SET_UP_CONFIG_VARIABLES) SUBDIR$(SUBDIRRESET) { 852 $(var) on $(architectureObject) = $($(var)) ; 853 } 854 855 # adjust SOURCE_GRIST and HDRGRIST 856 SOURCE_GRIST on $(architectureObject) 857 = $(SOURCE_GRIST:E=)!$(architecture) ; 858 859 HDRGRIST on $(architectureObject) 860 = $(HDRGRIST:E=)!$(architecture) ; 861 862 # Adjust the subdir's object dirs that are architecture dependent. To 863 # avoid duplicating the code from SetupObjectsDir, we call it. Since it 864 # sets global variables, we set these variables on our object, call 865 # SetupObjectsDir in an "on" block, and grab the new variable values. 866 local hostTarget = HOST TARGET ; 867 local objectDirVars = 868 COMMON_ARCH COMMON_DEBUG DEBUG_$(HAIKU_DEBUG_LEVELS) 869 ; 870 objectDirVars = 871 COMMON_PLATFORM_LOCATE_TARGET 872 $(hostTarget)_$(objectDirVars)_LOCATE_TARGET 873 LOCATE_TARGET 874 LOCATE_SOURCE 875 SEARCH_SOURCE 876 ; 877 878 for var in $(objectDirVars) { 879 $(var) on $(architectureObject) = ; 880 } 881 882 on $(architectureObject) { 883 SetupObjectsDir ; 884 885 for var in $(objectDirVars) { 886 $(var) on $(architectureObject) = $($(var)) ; 887 } 888 } 889 } 890 891 return $(result) ; 892} 893