The LXR Cross Referencer for SOS

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001 ## Copyright (C) 2004,2005  The SOS Team
002 ##
003 ## This program is free software; you can redistribute it and/or
004 ## modify it under the terms of the GNU General Public License
005 ## as published by the Free Software Foundation; either version 2
006 ## of the License, or (at your option) any later version.
007 ## 
008 ## This program is distributed in the hope that it will be useful,
009 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
010 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
011 ## GNU General Public License for more details.
012 ## 
013 ## You should have received a copy of the GNU General Public License
014 ## along with this program; if not, write to the Free Software
015 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
016 ## USA. 
017 
018 CC=gcc
019 LD=ld
020 CFLAGS  = -Wall -nostdinc -ffreestanding -DKERNEL_SOS
021 LDFLAGS = --warn-common -nostdlib
022 OBJECTS = bootstrap/multiboot.o                                 \
023           hwcore/idt.o hwcore/gdt.o                             \
024           hwcore/exception.o hwcore/exception_wrappers.o        \
025           hwcore/irq.o hwcore/irq_wrappers.o hwcore/i8259.o     \
026           hwcore/paging.o                                       \
027           hwcore/i8254.o drivers/x86_videomem.o drivers/bochs.o \
028           hwcore/cpu_context.o hwcore/cpu_context_switch.o      \
029           sos/kmem_vmm.o sos/kmem_slab.o sos/kmalloc.o          \
030           sos/physmem.o sos/klibc.o                             \
031           sos/thread.o sos/kwaitq.o                             \
032           sos/time.o sos/sched.o sos/ksynch.o                   \
033           sos/assert.o sos/main.o sos/mouse_sim.o
034 
035 KERNEL_OBJ   = sos.elf
036 MULTIBOOT_IMAGE = fd.img
037 PWD := $(shell pwd)
038 
039 # Main target
040 all: $(MULTIBOOT_IMAGE)
041 
042 $(MULTIBOOT_IMAGE): $(KERNEL_OBJ)
043         ./support/build_image.sh $@ $<
044 
045 $(KERNEL_OBJ): $(OBJECTS) ./support/sos.lds
046         $(LD) $(LDFLAGS) -T ./support/sos.lds -o $@ $(OBJECTS)
047         -nm -C $@ | cut -d ' ' -f 1,3 > sos.map
048         size $@
049 
050 -include .mkvars
051 
052 # Create objects from C source code
053 %.o: %.c
054         $(CC) -I$(PWD) -c $< $(CFLAGS) -o $@
055 
056 # Create objects from assembler (.S) source code
057 %.o: %.S
058         $(CC) -I$(PWD) -c $< $(CFLAGS) -DASM_SOURCE=1 -o $@
059 
060 FORCE:
061         @
062 
063 # Clean directory
064 clean:
065         $(RM) *.img *.o mtoolsrc *~ menu.txt *.img *.elf *.bin *.map
066         $(RM) *.log *.out bochs*
067         $(RM) bootstrap/*.o bootstrap/*~
068         $(RM) drivers/*.o drivers/*~
069         $(RM) hwcore/*.o hwcore/*~
070         $(RM) sos/*.o sos/*~
071         $(RM) support/*~
072         $(RM) extra/*~

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