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 $(CONFIG_HEADER) \
  99         -ffreestanding -fno-builtin -nostdlib -nostdinc -Wall -Wmissing-prototypes \
 100         -Werror-implicit-function-declaration -wd170
 101
 102 # clang does not support following options but I am not sure whether
 103 # something won't break because of that:
 104 # -fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) -finput-charset=UTF-8
 105 CLANG_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
 106         -ffreestanding -fno-builtin -nostdlib -nostdinc \
 107         -Wall -Werror -Wextra -Wno-unused-parameter -Wmissing-prototypes \
 108         -Werror-implicit-function-declaration -Wwrite-strings \
 109         -integrated-as \
 110         -pipe -target $(CLANG_TARGET)
 111
 112 ifeq ($(CONFIG_DEBUG),y)
 113         GCC_CFLAGS += -Werror
 114         ICC_CFLAGS += -Werror
 115 endif
 116
 117 ifeq ($(CONFIG_LTO),y)
 118         GCC_CFLAGS += -flto
 119 endif
 120
 121 ifeq ($(CONFIG_LINE_DEBUG),y)
 122         GCC_CFLAGS += -g
 123         ICC_CFLAGS += -g
 124         CLANG_CFLAGS += -g
 125 endif
 126
 127 #
 128 # Mind the mutual ordering with the inclusion of the arch Makefile.inc.
 129 # AFLAGS and LFLAGS must be initialized before the inclusion.
 130 #
 131 AFLAGS =
 132 LFLAGS = -n -T $(LINK) -M
 133
 134 #
 135 # Mind the mutual ordering with the initialization of AFLAGS and LFLAGS.
 136 # The arch Makefile.inc must be included after the initialization.
 137 #
 138 -include arch/$(KARCH)/Makefile.inc
 139 -include genarch/Makefile.inc
 140 -include $(DEPEND)
 141
 142 ## The at-sign
 143 #
 144 # The $(ATSIGN) variable holds the ASCII character representing the at-sign
 145 # ('@') used in various $(AS) constructs (e.g. @progbits). On architectures that
 146 # don't use '@' for starting a comment, $(ATSIGN) is merely '@'. However, on
 147 # those that do use it for starting a comment (e.g. arm32), $(ATSIGN) must be
 148 # defined as the percentile-sign ('%') in the architecture-dependent
 149 # Makefile.inc.
 150 #
 151
 152 ATSIGN ?= @
 153
 154 ## Cross-platform assembly to start a symtab.data section
 155 #
 156
 157 SYMTAB_SECTION = ".section symtab.data, \"a\", $(ATSIGN)progbits;"
 158
 159 ## Compilation options
 160 #
 161
 162 ifeq ($(COMPILER),gcc_native)
 163         CFLAGS = $(GCC_CFLAGS)
 164         DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
 165         INSTRUMENTATION = -finstrument-functions
 166 endif
 167
 168 ifeq ($(COMPILER),gcc_cross)
 169         CFLAGS = $(GCC_CFLAGS)
 170         DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
 171         INSTRUMENTATION = -finstrument-functions
 172 endif
 173
 174 ifeq ($(COMPILER),icc)
 175         CFLAGS = $(ICC_CFLAGS)
 176         DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
 177         INSTRUMENTATION =
 178 endif
 179
 180 ifeq ($(COMPILER),clang)
 181         CFLAGS = $(CLANG_CFLAGS)
 182         DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
 183         INSTRUMENTATION =
 184 endif
 185
 186
 187 ## Generic kernel sources
 188 #
 189
 190 GENERIC_SOURCES = \
 191         generic/src/adt/avl.c \
 192         generic/src/adt/bitmap.c \
 193         generic/src/adt/btree.c \
 194         generic/src/adt/hash_table.c \
 195         generic/src/adt/list.c \
 196         generic/src/console/chardev.c \
 197         generic/src/console/console.c \
 198         generic/src/console/prompt.c \
 199         generic/src/cpu/cpu.c \
 200         generic/src/ddi/ddi.c \
 201         generic/src/ddi/irq.c \
 202         generic/src/ddi/device.c \
 203         generic/src/debug/symtab.c \
 204         generic/src/debug/stacktrace.c \
 205         generic/src/debug/panic.c \
 206         generic/src/debug/debug.c \
 207         generic/src/interrupt/interrupt.c \
 208         generic/src/main/main.c \
 209         generic/src/main/kinit.c \
 210         generic/src/main/uinit.c \
 211         generic/src/main/version.c \
 212         generic/src/main/shutdown.c \
 213         generic/src/proc/program.c \
 214         generic/src/proc/scheduler.c \
 215         generic/src/proc/thread.c \
 216         generic/src/proc/task.c \
 217         generic/src/proc/the.c \
 218         generic/src/syscall/syscall.c \
 219         generic/src/syscall/copy.c \
 220         generic/src/mm/km.c \
 221         generic/src/mm/reserve.c \
 222         generic/src/mm/buddy.c \
 223         generic/src/mm/frame.c \
 224         generic/src/mm/page.c \
 225         generic/src/mm/tlb.c \
 226         generic/src/mm/as.c \
 227         generic/src/mm/backend_anon.c \
 228         generic/src/mm/backend_elf.c \
 229         generic/src/mm/backend_phys.c \
 230         generic/src/mm/slab.c \
 231         generic/src/lib/func.c \
 232         generic/src/lib/memstr.c \
 233         generic/src/lib/memfnc.c \
 234         generic/src/lib/sort.c \
 235         generic/src/lib/str.c \
 236         generic/src/lib/elf.c \
 237         generic/src/lib/ra.c \
 238         generic/src/lib/rd.c \
 239         generic/src/printf/printf_core.c \
 240         generic/src/printf/printf.c \
 241         generic/src/printf/snprintf.c \
 242         generic/src/printf/vprintf.c \
 243         generic/src/printf/vsnprintf.c \
 244         generic/src/time/clock.c \
 245         generic/src/time/timeout.c \
 246         generic/src/time/delay.c \
 247         generic/src/preempt/preemption.c \
 248         generic/src/synch/spinlock.c \
 249         generic/src/synch/condvar.c \
 250         generic/src/synch/mutex.c \
 251         generic/src/synch/semaphore.c \
 252         generic/src/synch/smc.c \
 253         generic/src/synch/waitq.c \
 254         generic/src/synch/futex.c \
 255         generic/src/smp/ipi.c \
 256         generic/src/smp/smp.c \
 257         generic/src/ipc/ipc.c \
 258         generic/src/ipc/sysipc.c \
 259         generic/src/ipc/sysipc_ops.c \
 260         generic/src/ipc/ops/clnestab.c \
 261         generic/src/ipc/ops/conctmeto.c \
 262         generic/src/ipc/ops/concttome.c \
 263         generic/src/ipc/ops/connclone.c \
 264         generic/src/ipc/ops/dataread.c \
 265         generic/src/ipc/ops/datawrite.c \
 266         generic/src/ipc/ops/debug.c \
 267         generic/src/ipc/ops/sharein.c \
 268         generic/src/ipc/ops/shareout.c \
 269         generic/src/ipc/ops/stchngath.c \
 270         generic/src/ipc/ipcrsc.c \
 271         generic/src/ipc/irq.c \
 272         generic/src/ipc/event.c \
 273         generic/src/security/cap.c \
 274         generic/src/sysinfo/sysinfo.c \
 275         generic/src/sysinfo/stats.c
 276
 277 ## Kernel console support
 278 #
 279
 280 ifeq ($(CONFIG_KCONSOLE),y)
 281 GENERIC_SOURCES += \
 282         generic/src/console/kconsole.c \
 283         generic/src/console/cmd.c
 284 endif
 285
 286 ## Udebug interface sources
 287 #
 288
 289 ifeq ($(CONFIG_UDEBUG),y)
 290 GENERIC_SOURCES += \
 291         generic/src/ipc/kbox.c \
 292         generic/src/udebug/udebug.c \
 293         generic/src/udebug/udebug_ops.c \
 294         generic/src/udebug/udebug_ipc.c
 295 endif
 296
 297 ## Test sources
 298 #
 299
 300 ifeq ($(CONFIG_TEST),y)
 301         CFLAGS += -Itest/
 302         GENERIC_SOURCES += \
 303                 test/test.c \
 304                 test/atomic/atomic1.c \
 305                 test/btree/btree1.c \
 306                 test/avltree/avltree1.c \
 307                 test/fault/fault1.c \
 308                 test/mm/falloc1.c \
 309                 test/mm/falloc2.c \
 310                 test/mm/mapping1.c \
 311                 test/mm/slab1.c \
 312                 test/mm/slab2.c \
 313                 test/synch/semaphore1.c \
 314                 test/synch/semaphore2.c \
 315                 test/print/print1.c \
 316                 test/print/print2.c \
 317                 test/print/print3.c \
 318                 test/print/print4.c \
 319                 test/print/print5.c \
 320                 test/thread/thread1.c
 321
 322         ifeq ($(KARCH),mips32)
 323                 GENERIC_SOURCES += test/debug/mips1.c
 324         else
 325                 GENERIC_SOURCES += test/debug/mips1_skip.c
 326         endif
 327
 328         ifeq ($(KARCH),ia64)
 329                 GENERIC_SOURCES += test/mm/purge1.c
 330         else
 331                 GENERIC_SOURCES += test/mm/purge1_skip.c
 332         endif
 333
 334 endif
 335
 336 ## Sources where instrumentation is enabled
 337 #
 338
 339 ifeq ($(CONFIG_TRACE),y)
 340         INSTRUMENTED_SOURCES = \
 341                 generic/src/adt/btree.c \
 342                 generic/src/cpu/cpu.c \
 343                 generic/src/ddi/ddi.c \
 344                 generic/src/interrupt/interrupt.c \
 345                 generic/src/main/main.c \
 346                 generic/src/main/kinit.c \
 347                 generic/src/proc/the.c \
 348                 generic/src/mm/frame.c \
 349                 generic/src/mm/page.c \
 350                 generic/src/mm/tlb.c \
 351                 generic/src/mm/as.c \
 352                 generic/src/mm/slab.c \
 353                 generic/src/sysinfo/sysinfo.c \
 354                 generic/src/console/kconsole.c
 355 else
 356         INSTRUMENTED_SOURCES =
 357 endif
 358
 359 GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
 360 ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
 361 GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))
 362
 363 LFLAGS_LTO := $(addprefix -Xlinker ,$(LFLAGS))
 364
 365 ifeq ($(CONFIG_SYMTAB),y)
 366         SYMTAB_OBJECTS := generic/src/debug/real_map.o
 367 else
 368         SYMTAB_OBJECTS :=
 369 endif
 370
 371 $(BIN): $(RAW)
 372         $(OBJCOPY) -O $(BFD) $< $@
 373
 374 $(DISASM): $(RAW)
 375 ifeq ($(CONFIG_LINE_DEBUG),y)
 376         $(OBJDUMP) -d -S $< > $@
 377 else
 378         $(OBJDUMP) -d $< > $@
 379 endif
 380
 381 $(RAW): $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(SYMTAB_OBJECTS)
 382 ifeq ($(CONFIG_LTO),y)
 383         $(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)
 384 else
 385         $(LD) $(LFLAGS) -Map $(MAP) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)
 386 endif
 387 ifeq ($(CONFIG_STRIP_BINARIES),y)
 388         $(STRIP) $(RAW)
 389 endif
 390
 391 $(LINK): $(LINK).in $(DEPEND)
 392         $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -D__LINKER__ -E -x c $< | grep -v "^\#" > $@
 393
 394 %.o: %.S $(DEPEND)
 395         $(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -c -o $@ $<
 396 ifeq ($(PRECHECK),y)
 397         $(JOBFILE) $(JOB) $< $@ as asm/preproc $(DEFS) $(GCC_CFLAGS) -D__ASM__
 398 endif
 399
 400 %.o: %.s $(DEPEND)
 401         $(AS) $(AFLAGS) -o $@ $<
 402 ifeq ($(PRECHECK),y)
 403         $(JOBFILE) $(JOB) $< $@ as asm $(DEFS) $(CFLAGS) $(EXTRA_FLAGS)
 404 endif
 405
 406 %.o: %.c $(DEPEND)
 407         $(CC) $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS) $(if $(findstring $<,$(INSTRUMENTED_SOURCES)),$(INSTRUMENTATION)) -c -o $@ $<
 408 ifeq ($(PRECHECK),y)
 409         $(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS)
 410 endif
 411
 412 $(REAL_MAP).o: $(REAL_MAP).bin
 413         echo $(SYMTAB_SECTION)" .incbin \"$<\"" | $(AS) $(AFLAGS) -o $@
 414
 415 $(REAL_MAP).bin: $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)
 416         echo $(SYMTAB_SECTION) | $(AS) $(AFLAGS) -o $(EMPTY_MAP)
 417 ifeq ($(CONFIG_LTO),y)
 418         $(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP_PREV) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)
 419 else
 420         $(LD) $(LFLAGS) -Map $(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)
 421 endif
 422         $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
 423         $(GENMAP) $(MAP_PREV) $(DUMP) $@
 424
 425         # Do it once again, this time to get correct even the symbols
 426         # on architectures that have bss after symtab
 427
 428         echo $(SYMTAB_SECTION)" .incbin \"$@\"" | $(AS) $(AFLAGS) -o $(SIZEOK_MAP)
 429 ifeq ($(CONFIG_LTO),y)
 430         $(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP_PREV) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)
 431 else
 432         $(LD) $(LFLAGS) -Map $(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)
 433 endif
 434         $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
 435         $(GENMAP) $(MAP_PREV) $(DUMP) $@
 436
 437 $(DEPEND): $(COMMON_HEADER_ARCH)
 438         makedepend -f - -- $(DEPEND_DEFS) $(CFLAGS) -- $(ARCH_SOURCES) $(GENARCH_SOURCES) $(GENERIC_SOURCES) > $@ 2> /dev/null
 439         -[ -f $(DEPEND_PREV) ] && diff -q $(DEPEND_PREV) $@ && mv -f $(DEPEND_PREV) $@
 440
 441 $(COMMON_HEADER_ARCH): $(COMMON_HEADER)
 442         ln -sfn ../../../../$< $@