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 AUTOCHECK = $(realpath $(ROOT_PATH)/tools/autocheck.awk)
  51 RAW = kernel.raw
  52 BIN = kernel.bin
  53 MAP = kernel.map
  54 JOB = kernel.job
  55 MAP_PREV = $(MAP).prev
  56 DISASM = kernel.disasm
  57 DUMP = kernel.dump
  58 REAL_MAP = generic/src/debug/real_map
  59
  60 GENMAP = tools/genmap.py
  61
  62 LINK = arch/$(KARCH)/_link.ld
  63 EMPTY_MAP = generic/src/debug/empty_map.o
  64 SIZEOK_MAP = generic/src/debug/sizeok_map.o
  65
  66 ifeq ($(PRECHECK),y)
  67         JOBFILE = $(ROOT_PATH)/tools/jobfile.py
  68         # XXX: Do not change the order of arguments.
  69         CC_JOB = $(JOBFILE) $(JOB) $(CC) $< -o $@
  70 else
  71         CC_JOB = $(CC) $< -o $@
  72 endif
  73
  74 .PHONY: all clean autogen_clean depend
  75 .DELETE_ON_ERROR:
  76
  77 all: $(VERSION_DEF) $(COMMON_MAKEFILE) $(COMMON_HEADER) $(CONFIG_MAKEFILE) $(CONFIG_HEADER) $(BIN) $(DISASM)
  78
  79 clean: autogen_clean
  80         rm -f $(RAW) $(BIN) $(MAP) $(JOB) $(MAP_PREV) $(DISASM) $(DUMP) $(REAL_MAP).* arch/*/_link.ld arch/*/include/arch/common.h
  81         find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.o' -follow -exec rm '{}' \;
  82         find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.d' -follow -exec rm '{}' \;
  83
  84 ## Common compiler flags
  85 #
  86
  87 INCLUDES = generic/include genarch/include arch/$(KARCH)/include ../abi/include
  88 INCLUDES_FLAGS = $(addprefix -I,$(INCLUDES))
  89
  90 DEFS = -DKERNEL -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__
  91
  92 COMMON_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
  93         -ffreestanding -nostdlib -nostdinc \
  94         -fexec-charset=UTF-8 -finput-charset=UTF-8 -fno-common \
  95         -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
  96
  97 GCC_CFLAGS = -std=gnu99 -Wall -Wextra -Wno-unused-parameter \
  98         -Wmissing-prototypes -Werror-implicit-function-declaration \
  99         -Wwrite-strings -pipe
 100
 101 CLANG_CFLAGS = -std=gnu99 -Wall -Wextra -Wno-unused-parameter \
 102         -Wno-missing-field-initializers -Wno-unused-command-line-argument \
 103         -Wmissing-prototypes -Werror-implicit-function-declaration \
 104         -Wwrite-strings -pipe -fno-stack-protector -fno-PIC
 105
 106 ifeq ($(CONFIG_DEBUG),y)
 107         COMMON_CFLAGS += -Werror
 108 endif
 109
 110 ifeq ($(CONFIG_LTO),y)
 111         COMMON_CFLAGS += -flto
 112 endif
 113
 114 ifeq ($(CONFIG_LINE_DEBUG),y)
 115         COMMON_CFLAGS += -g
 116 endif
 117
 118 AFLAGS += --fatal-warnings
 119 LDFLAGS += -Wl,-n -T $(LINK) -Wl,-M,--fatal-warnings,--warn-common
 120
 121 ifeq ($(CONFIG_STRIP_BINARIES),y)
 122         LDFLAGS += -s
 123 endif
 124
 125 -include arch/$(KARCH)/Makefile.inc
 126 -include genarch/Makefile.inc
 127
 128 ## The at-sign
 129 #
 130 # The $(ATSIGN) variable holds the ASCII character representing the at-sign
 131 # ('@') used in various $(AS) constructs (e.g. @progbits). On architectures that
 132 # don't use '@' for starting a comment, $(ATSIGN) is merely '@'. However, on
 133 # those that do use it for starting a comment (e.g. arm32), $(ATSIGN) must be
 134 # defined as the percentile-sign ('%') in the architecture-dependent
 135 # Makefile.inc.
 136 #
 137
 138 ATSIGN ?= @
 139
 140 ## Cross-platform assembly to start a symtab.data section
 141 #
 142
 143 SYMTAB_SECTION = .section symtab.data, \"a\", $(ATSIGN)progbits;
 144
 145 ## Compilation options
 146 #
 147
 148 ifeq ($(COMPILER),clang)
 149         CFLAGS = $(COMMON_CFLAGS) $(CLANG_CFLAGS)
 150 else
 151         CFLAGS = $(COMMON_CFLAGS) $(GCC_CFLAGS)
 152 endif
 153
 154 INSTRUMENTATION = -finstrument-functions
 155
 156 ## Generic kernel sources
 157 #
 158
 159 GENERIC_SOURCES = \
 160         generic/src/adt/avl.c \
 161         generic/src/adt/bitmap.c \
 162         generic/src/adt/btree.c \
 163         generic/src/adt/cht.c \
 164         generic/src/adt/hash_table.c \
 165         generic/src/adt/list.c \
 166         generic/src/console/chardev.c \
 167         generic/src/console/console.c \
 168         generic/src/console/prompt.c \
 169         generic/src/cpu/cpu.c \
 170         generic/src/cpu/cpu_mask.c \
 171         generic/src/ddi/ddi.c \
 172         generic/src/ddi/irq.c \
 173         generic/src/debug/symtab.c \
 174         generic/src/debug/stacktrace.c \
 175         generic/src/debug/panic.c \
 176         generic/src/debug/debug.c \
 177         generic/src/interrupt/interrupt.c \
 178         generic/src/log/log.c \
 179         generic/src/main/main.c \
 180         generic/src/main/kinit.c \
 181         generic/src/main/uinit.c \
 182         generic/src/main/version.c \
 183         generic/src/main/shutdown.c \
 184         generic/src/proc/program.c \
 185         generic/src/proc/scheduler.c \
 186         generic/src/proc/thread.c \
 187         generic/src/proc/task.c \
 188         generic/src/proc/the.c \
 189         generic/src/syscall/syscall.c \
 190         generic/src/syscall/copy.c \
 191         generic/src/mm/km.c \
 192         generic/src/mm/reserve.c \
 193         generic/src/mm/frame.c \
 194         generic/src/mm/page.c \
 195         generic/src/mm/tlb.c \
 196         generic/src/mm/as.c \
 197         generic/src/mm/backend_anon.c \
 198         generic/src/mm/backend_elf.c \
 199         generic/src/mm/backend_phys.c \
 200         generic/src/mm/backend_user.c \
 201         generic/src/mm/slab.c \
 202         generic/src/lib/halt.c \
 203         generic/src/lib/mem.c \
 204         generic/src/lib/memfnc.c \
 205         generic/src/lib/gsort.c \
 206         generic/src/lib/str.c \
 207         generic/src/lib/str_error.c \
 208         generic/src/lib/elf.c \
 209         generic/src/lib/ra.c \
 210         generic/src/lib/rd.c \
 211         generic/src/printf/printf_core.c \
 212         generic/src/printf/printf.c \
 213         generic/src/printf/snprintf.c \
 214         generic/src/printf/vprintf.c \
 215         generic/src/printf/vsnprintf.c \
 216         generic/src/time/clock.c \
 217         generic/src/time/timeout.c \
 218         generic/src/time/delay.c \
 219         generic/src/preempt/preemption.c \
 220         generic/src/synch/spinlock.c \
 221         generic/src/synch/condvar.c \
 222         generic/src/synch/mutex.c \
 223         generic/src/synch/semaphore.c \
 224         generic/src/synch/smc.c \
 225         generic/src/synch/smp_memory_barrier.c \
 226         generic/src/synch/waitq.c \
 227         generic/src/synch/futex.c \
 228         generic/src/synch/workqueue.c \
 229         generic/src/synch/rcu.c \
 230         generic/src/smp/ipi.c \
 231         generic/src/smp/smp.c \
 232         generic/src/smp/smp_call.c \
 233         generic/src/ipc/ipc.c \
 234         generic/src/ipc/sysipc.c \
 235         generic/src/ipc/sysipc_ops.c \
 236         generic/src/ipc/ops/conctmeto.c \
 237         generic/src/ipc/ops/concttome.c \
 238         generic/src/ipc/ops/dataread.c \
 239         generic/src/ipc/ops/datawrite.c \
 240         generic/src/ipc/ops/debug.c \
 241         generic/src/ipc/ops/pagein.c \
 242         generic/src/ipc/ops/sharein.c \
 243         generic/src/ipc/ops/shareout.c \
 244         generic/src/ipc/ops/stchngath.c \
 245         generic/src/ipc/ipcrsc.c \
 246         generic/src/ipc/irq.c \
 247         generic/src/ipc/event.c \
 248         generic/src/cap/cap.c \
 249         generic/src/security/perm.c \
 250         generic/src/sysinfo/sysinfo.c \
 251         generic/src/sysinfo/stats.c
 252
 253 ## Kernel console support
 254 #
 255
 256 ifeq ($(CONFIG_KCONSOLE),y)
 257 GENERIC_SOURCES += \
 258         generic/src/console/kconsole.c \
 259         generic/src/console/cmd.c
 260 endif
 261
 262 ## Udebug interface sources
 263 #
 264
 265 ifeq ($(CONFIG_UDEBUG),y)
 266 GENERIC_SOURCES += \
 267         generic/src/ipc/kbox.c \
 268         generic/src/udebug/udebug.c \
 269         generic/src/udebug/udebug_ops.c \
 270         generic/src/udebug/udebug_ipc.c
 271 endif
 272
 273 ## Test sources
 274 #
 275
 276 ifeq ($(CONFIG_TEST),y)
 277         CFLAGS += -Itest/
 278         GENERIC_SOURCES += \
 279                 test/test.c \
 280                 test/atomic/atomic1.c \
 281                 test/btree/btree1.c \
 282                 test/cht/cht1.c \
 283                 test/avltree/avltree1.c \
 284                 test/fault/fault1.c \
 285                 test/mm/falloc1.c \
 286                 test/mm/falloc2.c \
 287                 test/mm/mapping1.c \
 288                 test/mm/slab1.c \
 289                 test/mm/slab2.c \
 290                 test/synch/semaphore1.c \
 291                 test/synch/semaphore2.c \
 292                 test/synch/workqueue2.c \
 293                 test/synch/workqueue3.c \
 294                 test/synch/rcu1.c \
 295                 test/print/print1.c \
 296                 test/print/print2.c \
 297                 test/print/print3.c \
 298                 test/print/print4.c \
 299                 test/print/print5.c \
 300                 test/thread/thread1.c \
 301                 test/smpcall/smpcall1.c
 302
 303         ifeq ($(KARCH),mips32)
 304                 GENERIC_SOURCES += test/debug/mips1.c
 305         else
 306                 GENERIC_SOURCES += test/debug/mips1_skip.c
 307         endif
 308
 309         ifeq ($(KARCH),ia64)
 310                 GENERIC_SOURCES += test/mm/purge1.c
 311         else
 312                 GENERIC_SOURCES += test/mm/purge1_skip.c
 313         endif
 314
 315 endif
 316
 317 ## Sources where instrumentation is enabled
 318 #
 319
 320 ifeq ($(CONFIG_TRACE),y)
 321         INSTRUMENTED_SOURCES = \
 322                 generic/src/adt/btree.c \
 323                 generic/src/cpu/cpu.c \
 324                 generic/src/ddi/ddi.c \
 325                 generic/src/interrupt/interrupt.c \
 326                 generic/src/main/main.c \
 327                 generic/src/main/kinit.c \
 328                 generic/src/proc/the.c \
 329                 generic/src/mm/frame.c \
 330                 generic/src/mm/page.c \
 331                 generic/src/mm/tlb.c \
 332                 generic/src/mm/as.c \
 333                 generic/src/mm/slab.c \
 334                 generic/src/sysinfo/sysinfo.c \
 335                 generic/src/console/kconsole.c
 336 else
 337         INSTRUMENTED_SOURCES =
 338 endif
 339
 340 ARCH_SOURCES += $(ARCH_AUTOCHECK_HEADERS:%.h=%.check.c)
 341 GENARCH_SOURCES += $(GENARCH_AUTOCHECK_HEADERS:%.h=%.check.c)
 342
 343 GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
 344 ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
 345 GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))
 346
 347 GENERIC_DEPENDS := $(addsuffix .d,$(basename $(GENERIC_SOURCES)))
 348 ARCH_DEPENDS := $(addsuffix .d,$(basename $(ARCH_SOURCES)))
 349 GENARCH_DEPENDS := $(addsuffix .d,$(basename $(GENARCH_SOURCES)))
 350
 351 AS_CFLAGS := $(addprefix -Xassembler ,$(AFLAGS))
 352
 353 -include $(GENERIC_DEPENDS)
 354 -include $(ARCH_DEPENDS)
 355 -include $(GENARCH_DEPENDS)
 356
 357 ifeq ($(COMPILER),clang)
 358         AS_CFLAGS += -mllvm -asm-macro-max-nesting-depth=1000
 359 endif
 360
 361 ifeq ($(CONFIG_SYMTAB),y)
 362         SYMTAB_OBJECTS := generic/src/debug/real_map.o
 363 else
 364         SYMTAB_OBJECTS :=
 365 endif
 366
 367 $(BIN): $(RAW)
 368         $(OBJCOPY) -O $(BFD) $< $@
 369
 370 $(DISASM): $(RAW)
 371 ifeq ($(CONFIG_LINE_DEBUG),y)
 372         $(OBJDUMP) -d -S $< > $@
 373 else
 374         $(OBJDUMP) -d $< > $@
 375 endif
 376
 377 $(RAW): $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(SYMTAB_OBJECTS)
 378         $(CC) $(DEFS) $(CFLAGS) $(LDFLAGS) -Wl,-Map,$(MAP) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)
 379
 380 $(LINK): $(LINK).in
 381         $(CC) $(DEFS) $(CFLAGS) -D__ASSEMBLER__ -D__LINKER__ -E -x c $< | grep -v "^\#" > $@
 382
 383 %.check.c: %.h $(AUTOCHECK)
 384         cd $(<D) && $(AUTOCHECK) $(<F) > $(@F)
 385
 386 %.o: %.S
 387         $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(AS_CFLAGS)
 388
 389 %.o: %.s
 390         $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(AS_CFLAGS)
 391
 392 %.o: %.c
 393         $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS) $(if $(findstring $<,$(INSTRUMENTED_SOURCES)),$(INSTRUMENTATION))
 394
 395 $(REAL_MAP).o: $(REAL_MAP).bin
 396         echo "$(AS_PROLOG)""$(SYMTAB_SECTION)"" .incbin \"$<\"" | $(CC) $(CFLAGS) $(AS_CFLAGS) -x assembler -c -o $@ -
 397
 398 $(REAL_MAP).bin: $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)
 399         echo "$(AS_PROLOG)""$(SYMTAB_SECTION)" | $(CC) $(CFLAGS) $(AS_CFLAGS) -x assembler -c -o $(EMPTY_MAP) -
 400         $(CC) $(DEFS) $(CFLAGS) $(LDFLAGS) -Wl,-Map,$(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)
 401         $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
 402         $(GENMAP) $(MAP_PREV) $(DUMP) $@
 403
 404         # Do it once again, this time to get correct even the symbols
 405         # on architectures that have bss after symtab
 406
 407         echo "$(AS_PROLOG)""$(SYMTAB_SECTION)"" .incbin \"$@\"" | $(CC) $(CFLAGS) $(AS_CFLAGS) -x assembler -c -o $(SIZEOK_MAP) -
 408         $(CC) $(DEFS) $(CFLAGS) $(LDFLAGS) -Wl,-Map,$(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)
 409         $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
 410         $(GENMAP) $(MAP_PREV) $(DUMP) $@