~jan.vesely/helenos/usb

#

# Copyright (c) 2005 Martin Decky

# All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

# - Redistributions of source code must retain the above copyright

#   notice, this list of conditions and the following disclaimer.

# - Redistributions in binary form must reproduce the above copyright

#   notice, this list of conditions and the following disclaimer in the

#   documentation and/or other materials provided with the distribution.

# - The name of the author may not be used to endorse or promote products

#   derived from this software without specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#

## Configuration

#

ROOT_PATH = ..

VERSION_DEF = $(ROOT_PATH)/version

COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common

COMMON_HEADER = $(ROOT_PATH)/common.h

COMMON_HEADER_ARCH = arch/$(KARCH)/include/arch/common.h

CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config

CONFIG_HEADER = $(ROOT_PATH)/config.h

-include $(VERSION_DEF)

-include $(COMMON_MAKEFILE)

-include $(CONFIG_MAKEFILE)

## Common names

#

DEPEND = Makefile.depend

DEPEND_PREV = $(DEPEND).prev

RAW = kernel.raw

BIN = kernel.bin

MAP = kernel.map

JOB = kernel.job

MAP_PREV = $(MAP).prev

DISASM = kernel.disasm

DUMP = kernel.dump

REAL_MAP = generic/src/debug/real_map

GENMAP = tools/genmap.py

JOBFILE = $(ROOT_PATH)/tools/jobfile.py

LINK = arch/$(KARCH)/_link.ld

EMPTY_MAP = generic/src/debug/empty_map.o

SIZEOK_MAP = generic/src/debug/sizeok_map.o

.PHONY: all clean autogen_clean

all: $(VERSION_DEF) $(COMMON_MAKEFILE) $(COMMON_HEADER) $(CONFIG_MAKEFILE) $(CONFIG_HEADER) $(BIN) $(DISASM)

	-[ -f $(DEPEND) ] && cp -a $(DEPEND) $(DEPEND_PREV)

clean: autogen_clean

	rm -f $(DEPEND) $(DEPEND_PREV) $(RAW) $(BIN) $(MAP) $(JOB) $(MAP_PREV) $(DISASM) $(DUMP) $(REAL_MAP).* arch/*/_link.ld arch/*/include/arch/common.h

	find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.o' -follow -exec rm '{}' \;

## Common compiler flags

#

INCLUDES = generic/include genarch/include arch/$(KARCH)/include ../abi/include

INCLUDES_FLAGS = $(addprefix -I,$(INCLUDES))

ifeq ($(CONFIG_OPTIMIZE_FOR_SIZE),y)

	OPTIMIZATION = s

else

	OPTIMIZATION = 3

endif

DEFS = -DKERNEL -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__

GCC_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \

	-fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \

	-finput-charset=UTF-8 -ffreestanding -fno-builtin -nostdlib -nostdinc \

	-std=gnu99 -Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes \

	-Werror-implicit-function-declaration -Wwrite-strings \

	-pipe

ICC_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \

	-ffreestanding -fno-builtin -nostdlib -nostdinc -Wall -Wmissing-prototypes \

	-Werror-implicit-function-declaration -wd170

# clang does not support following options but I am not sure whether

# something won't break because of that:

# -fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) -finput-charset=UTF-8

CLANG_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \

	-ffreestanding -fno-builtin -nostdlib -nostdinc \

	-std=gnu99 -Wall -Werror -Wextra -Wno-unused-parameter -Wmissing-prototypes \

	-Werror-implicit-function-declaration -Wwrite-strings \

	-integrated-as -pipe -target $(CLANG_TARGET)

ifeq ($(CONFIG_DEBUG),y)

	GCC_CFLAGS += -Werror

	ICC_CFLAGS += -Werror

endif

ifeq ($(CONFIG_LTO),y)

	GCC_CFLAGS += -flto

endif

ifeq ($(CONFIG_LINE_DEBUG),y)

	GCC_CFLAGS += -g

	ICC_CFLAGS += -g

	CLANG_CFLAGS += -g

endif

#

# Mind the mutual ordering with the inclusion of the arch Makefile.inc.

# AFLAGS and LFLAGS must be initialized before the inclusion.

#

AFLAGS =

LFLAGS = -n -T $(LINK) -M

#

# Mind the mutual ordering with the initialization of AFLAGS and LFLAGS.

# The arch Makefile.inc must be included after the initialization.

#

-include arch/$(KARCH)/Makefile.inc

-include genarch/Makefile.inc

-include $(DEPEND)

## The at-sign

#

# The $(ATSIGN) variable holds the ASCII character representing the at-sign

# ('@') used in various $(AS) constructs (e.g. @progbits). On architectures that

# don't use '@' for starting a comment, $(ATSIGN) is merely '@'. However, on

# those that do use it for starting a comment (e.g. arm32), $(ATSIGN) must be

# defined as the percentile-sign ('%') in the architecture-dependent

# Makefile.inc.

#

ATSIGN ?= @

## Cross-platform assembly to start a symtab.data section

#

SYMTAB_SECTION = ".section symtab.data, \"a\", $(ATSIGN)progbits;"

## Compilation options

#

ifeq ($(COMPILER),gcc_native)

	CFLAGS = $(GCC_CFLAGS)

	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)

	INSTRUMENTATION = -finstrument-functions

endif

ifeq ($(COMPILER),gcc_cross)

	CFLAGS = $(GCC_CFLAGS)

	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)

	INSTRUMENTATION = -finstrument-functions

endif

ifeq ($(COMPILER),gcc_helenos)

	CFLAGS = $(GCC_CFLAGS)

	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)

	INSTRUMENTATION = -finstrument-functions

endif

ifeq ($(COMPILER),icc)

	CFLAGS = $(ICC_CFLAGS)

	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)

	INSTRUMENTATION =

endif

ifeq ($(COMPILER),clang)

	CFLAGS = $(CLANG_CFLAGS)

	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)

	INSTRUMENTATION =

endif

## Generic kernel sources

#

GENERIC_SOURCES = \

	generic/src/adt/avl.c \

	generic/src/adt/bitmap.c \

	generic/src/adt/btree.c \

	generic/src/adt/cht.c \

	generic/src/adt/hash_table.c \

	generic/src/adt/list.c \

	generic/src/console/chardev.c \

	generic/src/console/console.c \

	generic/src/console/prompt.c \

	generic/src/cpu/cpu.c \

	generic/src/cpu/cpu_mask.c \

	generic/src/ddi/ddi.c \

	generic/src/ddi/irq.c \

	generic/src/ddi/device.c \

	generic/src/debug/symtab.c \

	generic/src/debug/stacktrace.c \

	generic/src/debug/panic.c \

	generic/src/debug/debug.c \

	generic/src/interrupt/interrupt.c \

	generic/src/log/log.c \

	generic/src/main/main.c \

	generic/src/main/kinit.c \

	generic/src/main/uinit.c \

	generic/src/main/version.c \

	generic/src/main/shutdown.c \

	generic/src/proc/program.c \

	generic/src/proc/scheduler.c \

	generic/src/proc/thread.c \

	generic/src/proc/task.c \

	generic/src/proc/the.c \

	generic/src/syscall/syscall.c \

	generic/src/syscall/copy.c \

	generic/src/mm/km.c \

	generic/src/mm/reserve.c \

	generic/src/mm/frame.c \

	generic/src/mm/page.c \

	generic/src/mm/tlb.c \

	generic/src/mm/as.c \

	generic/src/mm/backend_anon.c \

	generic/src/mm/backend_elf.c \

	generic/src/mm/backend_phys.c \

	generic/src/mm/slab.c \

	generic/src/lib/func.c \

	generic/src/lib/memstr.c \

	generic/src/lib/memfnc.c \

	generic/src/lib/sort.c \

	generic/src/lib/str.c \

	generic/src/lib/elf.c \

	generic/src/lib/ra.c \

	generic/src/lib/rd.c \

	generic/src/printf/printf_core.c \

	generic/src/printf/printf.c \

	generic/src/printf/snprintf.c \

	generic/src/printf/vprintf.c \

	generic/src/printf/vsnprintf.c \

	generic/src/time/clock.c \

	generic/src/time/timeout.c \

	generic/src/time/delay.c \

	generic/src/preempt/preemption.c \

	generic/src/synch/spinlock.c \

	generic/src/synch/condvar.c \

	generic/src/synch/mutex.c \

	generic/src/synch/semaphore.c \

	generic/src/synch/smc.c \

	generic/src/synch/smp_memory_barrier.c \

	generic/src/synch/waitq.c \

	generic/src/synch/futex.c \

	generic/src/synch/workqueue.c \

	generic/src/synch/rcu.c \

	generic/src/smp/ipi.c \

	generic/src/smp/smp.c \

	generic/src/smp/smp_call.c \

	generic/src/ipc/ipc.c \

	generic/src/ipc/sysipc.c \

	generic/src/ipc/sysipc_ops.c \

	generic/src/ipc/ops/clnestab.c \

	generic/src/ipc/ops/conctmeto.c \

	generic/src/ipc/ops/concttome.c \

	generic/src/ipc/ops/connclone.c \

	generic/src/ipc/ops/dataread.c \

	generic/src/ipc/ops/datawrite.c \

	generic/src/ipc/ops/debug.c \

	generic/src/ipc/ops/sharein.c \

	generic/src/ipc/ops/shareout.c \

	generic/src/ipc/ops/stchngath.c \

	generic/src/ipc/ipcrsc.c \

	generic/src/ipc/irq.c \

	generic/src/ipc/event.c \

	generic/src/security/cap.c \

	generic/src/sysinfo/sysinfo.c \

	generic/src/sysinfo/stats.c

## Kernel console support

#

ifeq ($(CONFIG_KCONSOLE),y)

GENERIC_SOURCES += \

	generic/src/console/kconsole.c \

	generic/src/console/cmd.c

endif

## Udebug interface sources

#

ifeq ($(CONFIG_UDEBUG),y)

GENERIC_SOURCES += \

	generic/src/ipc/kbox.c \

	generic/src/udebug/udebug.c \

	generic/src/udebug/udebug_ops.c \

	generic/src/udebug/udebug_ipc.c

endif

## Test sources

#

ifeq ($(CONFIG_TEST),y)

	CFLAGS += -Itest/

	GENERIC_SOURCES += \

		test/test.c \

		test/atomic/atomic1.c \

		test/btree/btree1.c \

		test/cht/cht1.c \

		test/avltree/avltree1.c \

		test/fault/fault1.c \

		test/mm/falloc1.c \

		test/mm/falloc2.c \

		test/mm/mapping1.c \

		test/mm/slab1.c \

		test/mm/slab2.c \

		test/synch/semaphore1.c \

		test/synch/semaphore2.c \

		test/synch/workqueue2.c \

		test/synch/workqueue3.c \

		test/synch/rcu1.c \

		test/print/print1.c \

		test/print/print2.c \

		test/print/print3.c \

		test/print/print4.c \

		test/print/print5.c \

		test/thread/thread1.c \

		test/smpcall/smpcall1.c

	ifeq ($(KARCH),mips32)

		GENERIC_SOURCES += test/debug/mips1.c

	else

		GENERIC_SOURCES += test/debug/mips1_skip.c

	endif

	ifeq ($(KARCH),ia64)

		GENERIC_SOURCES += test/mm/purge1.c

	else

		GENERIC_SOURCES += test/mm/purge1_skip.c

	endif

endif

## Sources where instrumentation is enabled

#

ifeq ($(CONFIG_TRACE),y)

	INSTRUMENTED_SOURCES = \

		generic/src/adt/btree.c \

		generic/src/cpu/cpu.c \

		generic/src/ddi/ddi.c \

		generic/src/interrupt/interrupt.c \

		generic/src/main/main.c \

		generic/src/main/kinit.c \

		generic/src/proc/the.c \

		generic/src/mm/frame.c \

		generic/src/mm/page.c \

		generic/src/mm/tlb.c \

		generic/src/mm/as.c \

		generic/src/mm/slab.c \

		generic/src/sysinfo/sysinfo.c \

		generic/src/console/kconsole.c

else

	INSTRUMENTED_SOURCES =

endif

GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))

ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))

GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))

ARCH_AUTOGENS_H := $(addsuffix .h,$(basename $(ARCH_AUTOGENS_AG)))

ARCH_AUTOGENS_PROBE_C := $(addsuffix .ag.probe.c,$(basename $(ARCH_AUTOGENS_AG)))

ARCH_AUTOGENS_PROBE_S := $(addsuffix .ag.probe.s,$(basename $(ARCH_AUTOGENS_AG)))

LFLAGS_LTO := $(addprefix -Xlinker ,$(LFLAGS))

ifeq ($(CONFIG_SYMTAB),y)

	SYMTAB_OBJECTS := generic/src/debug/real_map.o

else

	SYMTAB_OBJECTS :=

endif

$(BIN): $(RAW)

	$(OBJCOPY) -O $(BFD) $< $@

$(DISASM): $(RAW)

ifeq ($(CONFIG_LINE_DEBUG),y)

	$(OBJDUMP) -d -S $< > $@

else

	$(OBJDUMP) -d $< > $@

endif

$(RAW): $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(SYMTAB_OBJECTS)

ifeq ($(CONFIG_LTO),y)

	$(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)

else

	$(LD) $(LFLAGS) -Map $(MAP) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)

endif

ifeq ($(CONFIG_STRIP_BINARIES),y)

	$(STRIP) $(RAW)

endif

$(LINK): $(LINK).in $(DEPEND)

	$(CC) $(DEFS) $(CFLAGS) -D__ASM__ -D__LINKER__ -E -x c $< | grep -v "^\#" > $@

%.h: %.ag

	$(AUTOGEN) probe $< >$<.probe.c

	$(CC) $(DEFS) $(CFLAGS) -S -o $<.probe.s $<.probe.c

	$(AUTOGEN) generate $< <$<.probe.s >$@   

%.o: %.S $(DEPEND)

	$(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -c -o $@ $<

ifeq ($(PRECHECK),y)

	$(JOBFILE) $(JOB) $< $@ as asm/preproc $(DEFS) $(GCC_CFLAGS) -D__ASM__

endif

%.o: %.s $(DEPEND)

	$(AS) $(AFLAGS) -o $@ $<

ifeq ($(PRECHECK),y)

	$(JOBFILE) $(JOB) $< $@ as asm $(DEFS) $(CFLAGS) $(EXTRA_FLAGS)

endif

%.o: %.c $(DEPEND)

	$(CC) $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS) $(if $(findstring $<,$(INSTRUMENTED_SOURCES)),$(INSTRUMENTATION)) -c -o $@ $<

ifeq ($(PRECHECK),y)

	$(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS)

endif

$(REAL_MAP).o: $(REAL_MAP).bin

	echo $(SYMTAB_SECTION)" .incbin \"$<\"" | $(AS) $(AFLAGS) -o $@

$(REAL_MAP).bin: $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)

	echo $(SYMTAB_SECTION) | $(AS) $(AFLAGS) -o $(EMPTY_MAP)

ifeq ($(CONFIG_LTO),y)

	$(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP_PREV) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)

else

	$(LD) $(LFLAGS) -Map $(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)

endif

	$(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)

	$(GENMAP) $(MAP_PREV) $(DUMP) $@

	# Do it once again, this time to get correct even the symbols

	# on architectures that have bss after symtab

	echo $(SYMTAB_SECTION)" .incbin \"$@\"" | $(AS) $(AFLAGS) -o $(SIZEOK_MAP)

ifeq ($(CONFIG_LTO),y)

	$(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP_PREV) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)

else

	$(LD) $(LFLAGS) -Map $(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)

endif

	$(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)

	$(GENMAP) $(MAP_PREV) $(DUMP) $@

$(DEPEND): $(COMMON_HEADER_ARCH) $(ARCH_AUTOGENS_H)

	makedepend -f - -- $(DEPEND_DEFS) $(CFLAGS) -- $(ARCH_SOURCES) $(GENARCH_SOURCES) $(GENERIC_SOURCES) > $@ 2> /dev/null

	-[ -f $(DEPEND_PREV) ] && diff -q $(DEPEND_PREV) $@ && mv -f $(DEPEND_PREV) $@

$(COMMON_HEADER_ARCH): $(COMMON_HEADER)

	ln -sfn ../../../../$< $@

autogen_clean:

	-rm $(ARCH_AUTOGENS_H) $(ARCH_AUTOGENS_PROBE_C) $(ARCH_AUTOGENS_PROBE_S)