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#
# 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.
#
## Include configuration
#
include ../version
-include ../Makefile.config
-include ../config.defs
INCLUDES = generic/include
OPTIMIZATION = 3
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
## Common compiler flags
#
DEFS = -DKERNEL -DRELEASE=$(RELEASE) "-DNAME=$(NAME)"
GCC_CFLAGS = -I$(INCLUDES) -O$(OPTIMIZATION) -imacros ../config.h \
-fno-builtin -Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes -Werror \
-nostdlib -nostdinc -pipe
ICC_CFLAGS = -I$(INCLUDES) -O$(OPTIMIZATION) -imacros ../config.h \
-fno-builtin -Wall -Wmissing-prototypes -Werror \
-nostdlib -nostdinc \
-wd170
SUNCC_CFLAGS = -I$(INCLUDES) -xO$(OPTIMIZATION) \
-xnolib -xc99=all -features=extensions \
-erroff=E_ZERO_SIZED_STRUCT_UNION
LFLAGS = -M
AFLAGS =
-include arch/$(KARCH)/Makefile.inc
-include genarch/Makefile.inc
## 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;"
## Simple detection for the type of the host system
#
HOST = $(shell uname)
## On Solaris, some utilities have slightly different names
#
ifeq ($(HOST),SunOS)
BINUTILS_PREFIX = "g"
else
BINUTILS_PREFIX = ""
endif
## Toolchain configuration
#
ifeq ($(COMPILER),gcc_native)
CC = gcc
GCC = gcc
AS = $(BINUTILS_PREFIX)as
LD = $(BINUTILS_PREFIX)ld
OBJCOPY = $(BINUTILS_PREFIX)objcopy
OBJDUMP = $(BINUTILS_PREFIX)objdump
LIBDIR = /usr/lib
CFLAGS = $(GCC_CFLAGS)
DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
endif
ifeq ($(COMPILER),icc_native)
CC = icc
GCC = gcc
AS = as
LD = ld
OBJCOPY = objcopy
OBJDUMP = objdump
LIBDIR = /usr/lib
CFLAGS = $(ICC_CFLAGS)
DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
endif
ifeq ($(COMPILER),suncc_native)
CC = suncc
GCC = gcc
AS = $(BINUTILS_PREFIX)as
LD = $(BINUTILS_PREFIX)ld
OBJCOPY = $(BINUTILS_PREFIX)objcopy
OBJDUMP = $(BINUTILS_PREFIX)objdump
LIBDIR = /usr/lib
CFLAGS = $(SUNCC_CFLAGS)
DEFS += $(CONFIG_DEFS)
DEPEND_DEFS = $(DEFS)
endif
ifeq ($(COMPILER),gcc_cross)
CC = $(TOOLCHAIN_DIR)/bin/$(TARGET)-gcc
GCC = $(CC)
AS = $(TOOLCHAIN_DIR)/bin/$(TARGET)-as
LD = $(TOOLCHAIN_DIR)/bin/$(TARGET)-ld
OBJCOPY = $(TOOLCHAIN_DIR)/bin/$(TARGET)-objcopy
OBJDUMP = $(TOOLCHAIN_DIR)/bin/$(TARGET)-objdump
LIBDIR = $(TOOLCHAIN_DIR)/lib
CFLAGS = $(GCC_CFLAGS)
DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
endif
## Generic kernel sources
#
GENERIC_SOURCES = \
generic/src/adt/avl.c \
generic/src/adt/bitmap.c \
generic/src/adt/btree.c \
generic/src/adt/hash_table.c \
generic/src/adt/list.c \
generic/src/console/chardev.c \
generic/src/console/console.c \
generic/src/cpu/cpu.c \
generic/src/ddi/ddi.c \
generic/src/ddi/irq.c \
generic/src/ddi/device.c \
generic/src/interrupt/interrupt.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/proc/tasklet.c \
generic/src/syscall/syscall.c \
generic/src/syscall/copy.c \
generic/src/mm/buddy.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/sort.c \
generic/src/lib/string.c \
generic/src/lib/elf.c \
generic/src/lib/rd.c \
generic/src/printf/printf_core.c \
generic/src/printf/printf.c \
generic/src/printf/sprintf.c \
generic/src/printf/snprintf.c \
generic/src/printf/vprintf.c \
generic/src/printf/vsprintf.c \
generic/src/printf/vsnprintf.c \
generic/src/debug/symtab.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/rwlock.c \
generic/src/synch/mutex.c \
generic/src/synch/semaphore.c \
generic/src/synch/smc.c \
generic/src/synch/waitq.c \
generic/src/synch/futex.c \
generic/src/smp/ipi.c \
generic/src/smp/smp.c \
generic/src/ipc/ipc.c \
generic/src/ipc/sysipc.c \
generic/src/ipc/ipcrsc.c \
generic/src/ipc/irq.c \
generic/src/security/cap.c \
generic/src/sysinfo/sysinfo.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/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/rwlock1.c \
test/synch/rwlock2.c \
test/synch/rwlock3.c \
test/synch/rwlock4.c \
test/synch/rwlock5.c \
test/synch/semaphore1.c \
test/synch/semaphore2.c \
test/print/print1.c \
test/thread/thread1.c \
test/sysinfo/sysinfo1.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
ifeq ($(CONFIG_FPU),y)
ifeq ($(KARCH),ia32)
TEST_FPU1 = y
TEST_SSE1 = y
GENERIC_SOURCES += test/fpu/fpu1_x86.c
endif
ifeq ($(KARCH),amd64)
TEST_FPU1 = y
TEST_SSE1 = y
GENERIC_SOURCES += test/fpu/fpu1_x86.c
endif
ifeq ($(KARCH),ia64)
TEST_FPU1 = y
GENERIC_SOURCES += test/fpu/fpu1_ia64.c
endif
ifeq ($(KARCH),mips32)
TEST_MIPS2 = y
endif
endif
ifneq ($(TEST_FPU1),y)
GENERIC_SOURCES += test/fpu/fpu1_skip.c
endif
ifeq ($(TEST_SSE1),y)
GENERIC_SOURCES += test/fpu/sse1.c
else
GENERIC_SOURCES += test/fpu/sse1_skip.c
endif
ifeq ($(TEST_MIPS2),y)
GENERIC_SOURCES += test/fpu/mips2.c
else
GENERIC_SOURCES += test/fpu/mips2_skip.c
endif
endif
GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))
.PHONY: all build clean archlinks depend disasm
all: ../Makefile.config ../config.h ../config.defs
-rm Makefile.depend
$(MAKE) -C . build
build: kernel.bin disasm
-include Makefile.depend
clean:
-rm -f kernel.bin kernel.raw kernel.map kernel.map.pre kernel.objdump kernel.disasm generic/src/debug/real_map.bin Makefile.depend* generic/include/arch generic/include/genarch arch/$(KARCH)/_link.ld
find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.o' -follow -exec rm \{\} \;
for arch in arch/* ; do \
[ -e $$arch/_link.ld ] && rm $$arch/_link.ld 2>/dev/null ; \
done ; exit 0
archlinks:
ln -sfn ../../arch/$(KARCH)/include/ generic/include/arch
ln -sfn ../../genarch/include/ generic/include/genarch
depend: archlinks
-makedepend -f - -- $(DEPEND_DEFS) $(CFLAGS) -- $(ARCH_SOURCES) $(GENARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend 2> /dev/null
arch/$(KARCH)/_link.ld: arch/$(KARCH)/_link.ld.in
$(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -D__LINKER__ -E -x c $< | grep -v "^\#" > $@
generic/src/debug/real_map.bin: depend arch/$(KARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)
echo $(SYMTAB_SECTION) | $(AS) $(AFLAGS) -o generic/src/debug/empty_map.o
$(LD) -T arch/$(KARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) generic/src/debug/empty_map.o -o $@ -Map kernel.map.pre
$(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > kernel.objdump
tools/genmap.py kernel.map.pre kernel.objdump generic/src/debug/real_map.bin
# 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 generic/src/debug/sizeok_map.o
$(LD) -T arch/$(KARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) generic/src/debug/sizeok_map.o -o $@ -Map kernel.map.pre
$(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > kernel.objdump
tools/genmap.py kernel.map.pre kernel.objdump generic/src/debug/real_map.bin
generic/src/debug/real_map.o: generic/src/debug/real_map.bin
echo $(SYMTAB_SECTION)" .incbin \"$<\"" | $(AS) $(AFLAGS) -o $@
kernel.raw: depend arch/$(KARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/real_map.o
$(LD) -T arch/$(KARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) generic/src/debug/real_map.o -o $@ -Map kernel.map
kernel.bin: kernel.raw
$(OBJCOPY) -O $(BFD) kernel.raw kernel.bin
disasm: kernel.raw
$(OBJDUMP) -d kernel.raw > kernel.disasm
%.o: %.S
$(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -c $< -o $@
%.o: %.s
$(AS) $(AFLAGS) $< -o $@
#
# The FPU tests are the only objects for which we allow the compiler to generate
# FPU instructions.
#
test/fpu/%.o: test/fpu/%.c
$(CC) $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) -c $< -o $@
#
# Ordinary objects.
#
%.o: %.c
$(CC) $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS) -c $< -o $@