kernel/Makefile

   1 #
   2 # Copyright (c) 2005 Martin Decky
   3 # All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions
   7 # are met:
   8 #
   9 # - Redistributions of source code must retain the above copyright
  10 #   notice, this list of conditions and the following disclaimer.
  11 # - Redistributions in binary form must reproduce the above copyright
  12 #   notice, this list of conditions and the following disclaimer in the
  13 #   documentation and/or other materials provided with the distribution.
  14 # - The name of the author may not be used to endorse or promote products
  15 #   derived from this software without specific prior written permission.
  16 #
  17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #
  28
  29 ## Configuration
  30 #
  31
  32 ROOT_PATH = ..
  33
  34 VERSION_DEF = $(ROOT_PATH)/version
  35
  36 COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
  37 COMMON_HEADER = $(ROOT_PATH)/common.h
  38 COMMON_HEADER_ARCH = arch/$(KARCH)/include/arch/common.h
  39
  40 CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
  41 CONFIG_HEADER = $(ROOT_PATH)/config.h
  42
  43 -include $(VERSION_DEF)
  44 -include $(COMMON_MAKEFILE)
  45 -include $(CONFIG_MAKEFILE)
  46
  47 ## Common names
  48 #
  49
  50 DEPEND = Makefile.depend
  51 DEPEND_PREV = $(DEPEND).prev
  52 RAW = kernel.raw
  53 BIN = kernel.bin
  54 MAP = kernel.map
  55 JOB = kernel.job
  56 MAP_PREV = $(MAP).prev
  57 DISASM = kernel.disasm
  58 DUMP = kernel.dump
  59 REAL_MAP = generic/src/debug/real_map
  60
  61 GENMAP = tools/genmap.py
  62 JOBFILE = $(ROOT_PATH)/tools/jobfile.py
  63
  64 LINK = arch/$(KARCH)/_link.ld
  65 EMPTY_MAP = generic/src/debug/empty_map.o
  66 SIZEOK_MAP = generic/src/debug/sizeok_map.o
  67
  68 .PHONY: all clean
  69
  70 all: $(VERSION_DEF) $(COMMON_MAKEFILE) $(COMMON_HEADER) $(CONFIG_MAKEFILE) $(CONFIG_HEADER) $(BIN) $(DISASM)
  71         -[ -f $(DEPEND) ] && cp -a $(DEPEND) $(DEPEND_PREV)
  72
  73 clean:
  74         rm -f $(DEPEND) $(DEPEND_PREV) $(RAW) $(BIN) $(MAP) $(JOB) $(MAP_PREV) $(DISASM) $(DUMP) $(REAL_MAP).* arch/*/_link.ld arch/*/include/arch/common.h
  75         find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.o' -follow -exec rm \{\} \;
  76
  77 ## Common compiler flags
  78 #
  79
  80 INCLUDES = generic/include genarch/include arch/$(KARCH)/include ../abi/include
  81 INCLUDES_FLAGS = $(addprefix -I,$(INCLUDES))
  82
  83 ifeq ($(CONFIG_OPTIMIZE_FOR_SIZE),y)
  84         OPTIMIZATION = s
  85 else
  86         OPTIMIZATION = 3
  87 endif
  88
  89 DEFS = -DKERNEL -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__
  90
  91 GCC_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
  92         -fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \
  93         -finput-charset=UTF-8 -ffreestanding -fno-builtin -nostdlib -nostdinc \
  94         -std=gnu99 -Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes \
  95         -Werror-implicit-function-declaration -Wwrite-strings \
  96         -pipe
  97
  98 ICC_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
  99         -ffreestanding -fno-builtin -nostdlib -nostdinc -Wall -Wmissing-prototypes \
 100         -Werror-implicit-function-declaration -wd170
 101
 102 CLANG_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
 103         -fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \
 104         -finput-charset=UTF-8 -ffreestanding -fno-builtin -nostdlib -nostdinc \
 105         -Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes \
 106         -Werror-implicit-function-declaration -Wwrite-strings \
 107         -pipe -arch $(CLANG_ARCH)
 108
 109 ifeq ($(CONFIG_DEBUG),y)
 110         GCC_CFLAGS += -Werror
 111         ICC_CFLAGS += -Werror
 112 endif
 113
 114 ifeq ($(CONFIG_LTO),y)
 115         GCC_CFLAGS += -flto
 116 endif
 117
 118 ifeq ($(CONFIG_LINE_DEBUG),y)
 119         GCC_CFLAGS += -g
 120         ICC_CFLAGS += -g
 121         CLANG_CFLAGS += -g
 122 endif
 123
 124 #
 125 # Mind the mutual ordering with the inclusion of the arch Makefile.inc.
 126 # AFLAGS and LFLAGS must be initialized before the inclusion.
 127 #
 128 AFLAGS =
 129 LFLAGS = -n -T $(LINK) -M
 130
 131 #
 132 # Mind the mutual ordering with the initialization of AFLAGS and LFLAGS.
 133 # The arch Makefile.inc must be included after the initialization.
 134 #
 135 -include arch/$(KARCH)/Makefile.inc
 136 -include genarch/Makefile.inc
 137 -include $(DEPEND)
 138
 139 ## The at-sign
 140 #
 141 # The $(ATSIGN) variable holds the ASCII character representing the at-sign
 142 # ('@') used in various $(AS) constructs (e.g. @progbits). On architectures that
 143 # don't use '@' for starting a comment, $(ATSIGN) is merely '@'. However, on
 144 # those that do use it for starting a comment (e.g. arm32), $(ATSIGN) must be
 145 # defined as the percentile-sign ('%') in the architecture-dependent
 146 # Makefile.inc.
 147 #
 148
 149 ATSIGN ?= @
 150
 151 ## Cross-platform assembly to start a symtab.data section
 152 #
 153
 154 SYMTAB_SECTION = ".section symtab.data, \"a\", $(ATSIGN)progbits;"
 155
 156 ## Compilation options
 157 #
 158
 159 ifeq ($(COMPILER),gcc_native)
 160         CFLAGS = $(GCC_CFLAGS)
 161         DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
 162         INSTRUMENTATION = -finstrument-functions
 163 endif
 164
 165 ifeq ($(COMPILER),gcc_cross)
 166         CFLAGS = $(GCC_CFLAGS)
 167         DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
 168         INSTRUMENTATION = -finstrument-functions
 169 endif
 170
 171 ifeq ($(COMPILER),icc)
 172         CFLAGS = $(ICC_CFLAGS)
 173         DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
 174         INSTRUMENTATION =
 175 endif
 176
 177 ifeq ($(COMPILER),clang)
 178         CFLAGS = $(CLANG_CFLAGS)
 179         DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
 180         INSTRUMENTATION =
 181 endif
 182
 183
 184 ## Generic kernel sources
 185 #
 186
 187 GENERIC_SOURCES = \
 188         generic/src/adt/avl.c \
 189         generic/src/adt/bitmap.c \
 190         generic/src/adt/btree.c \
 191         generic/src/adt/hash_table.c \
 192         generic/src/adt/list.c \
 193         generic/src/console/chardev.c \
 194         generic/src/console/console.c \
 195         generic/src/console/prompt.c \
 196         generic/src/cpu/cpu.c \
 197         generic/src/ddi/ddi.c \
 198         generic/src/ddi/irq.c \
 199         generic/src/ddi/device.c \
 200         generic/src/debug/symtab.c \
 201         generic/src/debug/stacktrace.c \
 202         generic/src/debug/panic.c \
 203         generic/src/debug/debug.c \
 204         generic/src/interrupt/interrupt.c \
 205         generic/src/main/main.c \
 206         generic/src/main/kinit.c \
 207         generic/src/main/uinit.c \
 208         generic/src/main/version.c \
 209         generic/src/main/shutdown.c \
 210         generic/src/proc/program.c \
 211         generic/src/proc/scheduler.c \
 212         generic/src/proc/thread.c \
 213         generic/src/proc/task.c \
 214         generic/src/proc/the.c \
 215         generic/src/syscall/syscall.c \
 216         generic/src/syscall/copy.c \
 217         generic/src/mm/km.c \
 218         generic/src/mm/reserve.c \
 219         generic/src/mm/buddy.c \
 220         generic/src/mm/frame.c \
 221         generic/src/mm/page.c \
 222         generic/src/mm/tlb.c \
 223         generic/src/mm/as.c \
 224         generic/src/mm/backend_anon.c \
 225         generic/src/mm/backend_elf.c \
 226         generic/src/mm/backend_phys.c \
 227         generic/src/mm/slab.c \
 228         generic/src/lib/func.c \
 229         generic/src/lib/memstr.c \
 230         generic/src/lib/memfnc.c \
 231         generic/src/lib/sort.c \
 232         generic/src/lib/str.c \
 233         generic/src/lib/elf.c \
 234         generic/src/lib/ra.c \
 235         generic/src/lib/rd.c \
 236         generic/src/printf/printf_core.c \
 237         generic/src/printf/printf.c \
 238         generic/src/printf/snprintf.c \
 239         generic/src/printf/vprintf.c \
 240         generic/src/printf/vsnprintf.c \
 241         generic/src/time/clock.c \
 242         generic/src/time/timeout.c \
 243         generic/src/time/delay.c \
 244         generic/src/preempt/preemption.c \
 245         generic/src/synch/spinlock.c \
 246         generic/src/synch/condvar.c \
 247         generic/src/synch/mutex.c \
 248         generic/src/synch/semaphore.c \
 249         generic/src/synch/smc.c \
 250         generic/src/synch/waitq.c \
 251         generic/src/synch/futex.c \
 252         generic/src/smp/ipi.c \
 253         generic/src/smp/smp.c \
 254         generic/src/ipc/ipc.c \
 255         generic/src/ipc/sysipc.c \
 256         generic/src/ipc/sysipc_ops.c \
 257         generic/src/ipc/ops/clnestab.c \
 258         generic/src/ipc/ops/conctmeto.c \
 259         generic/src/ipc/ops/concttome.c \
 260         generic/src/ipc/ops/connclone.c \
 261         generic/src/ipc/ops/dataread.c \
 262         generic/src/ipc/ops/datawrite.c \
 263         generic/src/ipc/ops/debug.c \
 264         generic/src/ipc/ops/sharein.c \
 265         generic/src/ipc/ops/shareout.c \
 266         generic/src/ipc/ops/stchngath.c \
 267         generic/src/ipc/ipcrsc.c \
 268         generic/src/ipc/irq.c \
 269         generic/src/ipc/event.c \
 270         generic/src/security/cap.c \
 271         generic/src/sysinfo/sysinfo.c \
 272         generic/src/sysinfo/stats.c
 273
 274 ## Kernel console support
 275 #
 276
 277 ifeq ($(CONFIG_KCONSOLE),y)
 278 GENERIC_SOURCES += \
 279         generic/src/console/kconsole.c \
 280         generic/src/console/cmd.c
 281 endif
 282
 283 ## Udebug interface sources
 284 #
 285
 286 ifeq ($(CONFIG_UDEBUG),y)
 287 GENERIC_SOURCES += \
 288         generic/src/ipc/kbox.c \
 289         generic/src/udebug/udebug.c \
 290         generic/src/udebug/udebug_ops.c \
 291         generic/src/udebug/udebug_ipc.c
 292 endif
 293
 294 ## Test sources
 295 #
 296
 297 ifeq ($(CONFIG_TEST),y)
 298         CFLAGS += -Itest/
 299         GENERIC_SOURCES += \
 300                 test/test.c \
 301                 test/atomic/atomic1.c \
 302                 test/btree/btree1.c \
 303                 test/avltree/avltree1.c \
 304                 test/fault/fault1.c \
 305                 test/mm/falloc1.c \
 306                 test/mm/falloc2.c \
 307                 test/mm/mapping1.c \
 308                 test/mm/slab1.c \
 309                 test/mm/slab2.c \
 310                 test/synch/semaphore1.c \
 311                 test/synch/semaphore2.c \
 312                 test/print/print1.c \
 313                 test/print/print2.c \
 314                 test/print/print3.c \
 315                 test/print/print4.c \
 316                 test/print/print5.c \
 317                 test/thread/thread1.c
 318
 319         ifeq ($(KARCH),mips32)
 320                 GENERIC_SOURCES += test/debug/mips1.c
 321         else
 322                 GENERIC_SOURCES += test/debug/mips1_skip.c
 323         endif
 324
 325         ifeq ($(KARCH),ia64)
 326                 GENERIC_SOURCES += test/mm/purge1.c
 327         else
 328                 GENERIC_SOURCES += test/mm/purge1_skip.c
 329         endif
 330
 331 endif
 332
 333 ## Sources where instrumentation is enabled
 334 #
 335
 336 ifeq ($(CONFIG_TRACE),y)
 337         INSTRUMENTED_SOURCES = \
 338                 generic/src/adt/btree.c \
 339                 generic/src/cpu/cpu.c \
 340                 generic/src/ddi/ddi.c \
 341                 generic/src/interrupt/interrupt.c \
 342                 generic/src/main/main.c \
 343                 generic/src/main/kinit.c \
 344                 generic/src/proc/the.c \
 345                 generic/src/mm/frame.c \
 346                 generic/src/mm/page.c \
 347                 generic/src/mm/tlb.c \
 348                 generic/src/mm/as.c \
 349                 generic/src/mm/slab.c \
 350                 generic/src/sysinfo/sysinfo.c \
 351                 generic/src/console/kconsole.c
 352 else
 353         INSTRUMENTED_SOURCES =
 354 endif
 355
 356 GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
 357 ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
 358 GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))
 359
 360 LFLAGS_LTO := $(addprefix -Xlinker ,$(LFLAGS))
 361
 362 ifeq ($(CONFIG_SYMTAB),y)
 363         SYMTAB_OBJECTS := generic/src/debug/real_map.o
 364 else
 365         SYMTAB_OBJECTS :=
 366 endif
 367
 368 $(BIN): $(RAW)
 369         $(OBJCOPY) -O $(BFD) $< $@
 370
 371 $(DISASM): $(RAW)
 372 ifeq ($(CONFIG_LINE_DEBUG),y)
 373         $(OBJDUMP) -d -S $< > $@
 374 else
 375         $(OBJDUMP) -d $< > $@
 376 endif
 377
 378 $(RAW): $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(SYMTAB_OBJECTS)
 379 ifeq ($(CONFIG_LTO),y)
 380         $(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)
 381 else
 382         $(LD) $(LFLAGS) -Map $(MAP) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)
 383 endif
 384 ifeq ($(CONFIG_STRIP_BINARIES),y)
 385         $(STRIP) $(RAW)
 386 endif
 387
 388 $(LINK): $(LINK).in $(DEPEND)
 389         $(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -D__LINKER__ -E -x c $< | grep -v "^\#" > $@
 390
 391 %.o: %.S $(DEPEND)
 392         $(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -c -o $@ $<
 393 ifeq ($(PRECHECK),y)
 394         $(JOBFILE) $(JOB) $< $@ as asm/preproc $(DEFS) $(GCC_CFLAGS) -D__ASM__
 395 endif
 396
 397 %.o: %.s $(DEPEND)
 398         $(AS) $(AFLAGS) -o $@ $<
 399 ifeq ($(PRECHECK),y)
 400         $(JOBFILE) $(JOB) $< $@ as asm $(DEFS) $(CFLAGS) $(EXTRA_FLAGS)
 401 endif
 402
 403 %.o: %.c $(DEPEND)
 404         $(CC) $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS) $(if $(findstring $<,$(INSTRUMENTED_SOURCES)),$(INSTRUMENTATION)) -c -o $@ $<
 405 ifeq ($(PRECHECK),y)
 406         $(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS)
 407 endif
 408
 409 $(REAL_MAP).o: $(REAL_MAP).bin
 410         echo $(SYMTAB_SECTION)" .incbin \"$<\"" | $(AS) $(AFLAGS) -o $@
 411
 412 $(REAL_MAP).bin: $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)
 413         echo $(SYMTAB_SECTION) | $(AS) $(AFLAGS) -o $(EMPTY_MAP)
 414 ifeq ($(CONFIG_LTO),y)
 415         $(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP_PREV) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)
 416 else
 417         $(LD) $(LFLAGS) -Map $(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)
 418 endif
 419         $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
 420         $(GENMAP) $(MAP_PREV) $(DUMP) $@
 421
 422         # Do it once again, this time to get correct even the symbols
 423         # on architectures that have bss after symtab
 424
 425         echo $(SYMTAB_SECTION)" .incbin \"$@\"" | $(AS) $(AFLAGS) -o $(SIZEOK_MAP)
 426 ifeq ($(CONFIG_LTO),y)
 427         $(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP_PREV) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)
 428 else
 429         $(LD) $(LFLAGS) -Map $(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)
 430 endif
 431         $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
 432         $(GENMAP) $(MAP_PREV) $(DUMP) $@
 433
 434 $(DEPEND): $(COMMON_HEADER_ARCH)
 435         makedepend -f - -- $(DEPEND_DEFS) $(CFLAGS) -- $(ARCH_SOURCES) $(GENARCH_SOURCES) $(GENERIC_SOURCES) > $@ 2> /dev/null
 436         -[ -f $(DEPEND_PREV) ] && diff -q $(DEPEND_PREV) $@ && mv -f $(DEPEND_PREV) $@
 437
 438 $(COMMON_HEADER_ARCH): $(COMMON_HEADER)
 439         ln -sfn ../../../../$< $@