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## Copyright (C) 2004,2005 The SOS Team
##
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 2
## of the License, or (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
## USA.
CC=gcc
LD=ld
CFLAGS = -Wall -nostdinc -ffreestanding -DKERNEL_SOS -m32 \
-fno-asynchronous-unwind-tables -fno-stack-protector
LIBGCC := $(shell $(CC) -print-libgcc-file-name -m32) # To benefit from FP/64bits artihm.
LDFLAGS = --warn-common -nostdlib -m elf_i386
OBJECTS = bootstrap/multiboot.o \
hwcore/idt.o hwcore/gdt.o \
hwcore/swintr.o hwcore/swintr_wrappers.o \
hwcore/exception.o hwcore/exception_wrappers.o \
hwcore/irq.o hwcore/irq_wrappers.o hwcore/i8259.o \
hwcore/paging.o \
hwcore/i8254.o drivers/x86_videomem.o drivers/bochs.o \
hwcore/cpu_context.o hwcore/cpu_context_switch.o \
hwcore/mm_context.o \
sos/kmem_vmm.o sos/kmem_slab.o sos/kmalloc.o \
sos/physmem.o sos/klibc.o \
sos/thread.o sos/kwaitq.o \
sos/time.o sos/sched.o sos/ksynch.o \
sos/process.o sos/syscall.o \
sos/assert.o sos/main.o sos/mouse_sim.o \
sos/uaccess.o sos/calcload.o \
userland/userprogs.kimg sos/test-art7.o
KERNEL_OBJ = sos.elf
MULTIBOOT_IMAGE = fd.img
PWD := $(shell pwd)
# Main target
all: $(MULTIBOOT_IMAGE)
$(MULTIBOOT_IMAGE): $(KERNEL_OBJ)
./support/build_image.sh $@ $<
$(KERNEL_OBJ): $(OBJECTS) ./support/sos.lds
$(LD) $(LDFLAGS) -T ./support/sos.lds -o $@ $(OBJECTS) $(LIBGCC)
-nm -C $@ | cut -d ' ' -f 1,3 > sos.map
size $@
-include .mkvars
# Create the userland programs to include in the kernel image
userland/userprogs.kimg: FORCE
$(MAKE) -C userland
# Create objects from C source code
%.o: %.c
$(CC) -I$(PWD) -c $< $(CFLAGS) -o $@
# Create objects from assembler (.S) source code
%.o: %.S
$(CC) -I$(PWD) -c $< $(CFLAGS) -DASM_SOURCE=1 -o $@
FORCE:
@
# Clean directory
clean:
$(RM) *.img *.o mtoolsrc *~ menu.txt *.img *.elf *.bin *.map
$(RM) *.log *.out bochs*
$(RM) bootstrap/*.o bootstrap/*~
$(RM) drivers/*.o drivers/*~
$(RM) hwcore/*.o hwcore/*~
$(RM) sos/*.o sos/*~
$(RM) support/*~
$(RM) extra/*~
$(MAKE) -C userland clean