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 LIBGCC := $(shell $(CC) -print-libgcc-file-name) # To benefit from FP/64bits artihm.
022 LDFLAGS = --warn-common -nostdlib
023 OBJECTS = bootstrap/multiboot.o                                 \
024           hwcore/idt.o hwcore/gdt.o                             \
025           hwcore/swintr.o hwcore/swintr_wrappers.o              \
026           hwcore/exception.o hwcore/exception_wrappers.o        \
027           hwcore/irq.o hwcore/irq_wrappers.o hwcore/i8259.o     \
028           hwcore/paging.o                                       \
029           hwcore/i8254.o drivers/x86_videomem.o drivers/bochs.o \
030           hwcore/cpu_context.o hwcore/cpu_context_switch.o      \
031           hwcore/mm_context.o                                   \
032           sos/kmem_vmm.o sos/kmem_slab.o sos/kmalloc.o          \
033           sos/physmem.o sos/klibc.o                             \
034           sos/thread.o sos/kwaitq.o                             \
035           sos/time.o sos/sched.o sos/ksynch.o                   \
036           sos/process.o sos/syscall.o                           \
037           sos/assert.o sos/main.o sos/mouse_sim.o               \
038           sos/uaccess.o sos/calcload.o                          \
039           sos/umem_vmm.o sos/binfmt_elf32.o                     \
040           drivers/zero.o drivers/mem.o                          \
041           userland/userprogs.kimg
042 
043 KERNEL_OBJ   = sos.elf
044 MULTIBOOT_IMAGE = fd.img
045 PWD := $(shell pwd)
046 
047 # Main target
048 all: $(MULTIBOOT_IMAGE)
049 
050 $(MULTIBOOT_IMAGE): $(KERNEL_OBJ)
051         ./support/build_image.sh $@ $<
052 
053 $(KERNEL_OBJ): $(OBJECTS) ./support/sos.lds
054         $(LD) $(LDFLAGS) -T ./support/sos.lds -o $@ $(OBJECTS) $(LIBGCC)
055         -nm -C $@ | cut -d ' ' -f 1,3 > sos.map
056         size $@
057 
058 -include .mkvars
059 
060 # Create the userland programs to include in the kernel image
061 userland/userprogs.kimg: FORCE
062         $(MAKE) -C userland
063 
064 # Create objects from C source code
065 %.o: %.c
066         $(CC) -I$(PWD) -c $< $(CFLAGS) -o $@
067 
068 # Create objects from assembler (.S) source code
069 %.o: %.S
070         $(CC) -I$(PWD) -c $< $(CFLAGS) -DASM_SOURCE=1 -o $@
071 
072 FORCE:
073         @
074 
075 # Clean directory
076 clean:
077         $(RM) *.img *.o mtoolsrc *~ menu.txt *.img *.elf *.bin *.map
078         $(RM) *.log *.out bochs*
079         $(RM) bootstrap/*.o bootstrap/*~
080         $(RM) drivers/*.o drivers/*~
081         $(RM) hwcore/*.o hwcore/*~
082         $(RM) sos/*.o sos/*~
083         $(RM) support/*~
084         $(RM) extra/*~
085         $(MAKE) -C userland clean
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