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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 CP=cp 021 STRIP=strip 022 CFLAGS = -Wall -nostdinc -ffreestanding -DKERNEL_SOS -O 023 LIBGCC = $(shell $(CC) -print-libgcc-file-name) # To benefit from FP/64bits artihm. 024 LDFLAGS = --warn-common -nostdlib 025 OBJECTS = bootstrap/multiboot.o \ 026 hwcore/idt.o hwcore/gdt.o \ 027 hwcore/swintr.o hwcore/swintr_wrappers.o \ 028 hwcore/exception.o hwcore/exception_wrappers.o \ 029 hwcore/irq.o hwcore/irq_wrappers.o hwcore/i8259.o \ 030 hwcore/paging.o hwcore/i8254.o \ 031 hwcore/cpu_context.o hwcore/cpu_context_switch.o \ 032 hwcore/mm_context.o \ 033 sos/kmem_vmm.o sos/kmem_slab.o sos/kmalloc.o \ 034 sos/physmem.o sos/klibc.o \ 035 sos/thread.o sos/kwaitq.o \ 036 sos/time.o sos/sched.o sos/ksynch.o \ 037 sos/process.o sos/syscall.o \ 038 sos/assert.o sos/main.o sos/mouse_sim.o \ 039 sos/uaccess.o sos/calcload.o \ 040 sos/umem_vmm.o sos/binfmt_elf32.o \ 041 drivers/x86_videomem.o drivers/bochs.o \ 042 drivers/zero.o drivers/mem.o \ 043 sos/hash.o sos/fs.o sos/fs_nscache.o \ 044 drivers/fs_virtfs.o \ 045 userland/userprogs.kimg 046 047 KERNEL_OBJ = sos.elf 048 KERNEL_LOAD = sos.gz 049 MULTIBOOT_IMAGE = fd.img 050 PWD := $(shell pwd) 051 052 # Main target 053 all: $(MULTIBOOT_IMAGE) 054 055 $(MULTIBOOT_IMAGE): $(KERNEL_LOAD) 056 ./support/build_image.sh $@ $< 057 058 $(KERNEL_LOAD): $(KERNEL_OBJ) 059 $(CP) $< $<.strip && $(STRIP) -sx $<.strip 060 gzip < $<.strip > $@ 061 062 $(KERNEL_OBJ): $(OBJECTS) ./support/sos.lds 063 $(LD) $(LDFLAGS) -T ./support/sos.lds -o $@ $(OBJECTS) $(LIBGCC) 064 -nm -C $@ | cut -d ' ' -f 1,3 > sos.map 065 size $@ 066 067 -include .mkvars 068 069 # Create the userland programs to include in the kernel image 070 userland/userprogs.kimg: FORCE 071 $(MAKE) -C userland 072 073 # Create objects from C source code 074 %.o: %.c 075 $(CC) -I$(PWD) -c $< $(CFLAGS) -o $@ 076 077 # Create objects from assembler (.S) source code 078 %.o: %.S 079 $(CC) -I$(PWD) -c $< $(CFLAGS) -DASM_SOURCE=1 -o $@ 080 081 FORCE: 082 @ 083 084 # Clean directory 085 clean: 086 $(RM) *.img *.o mtoolsrc *~ menu.txt *.img *.elf *.bin *.strip *.map 087 $(RM) *.log *.out bochs* sos.gz 088 $(RM) bootstrap/*.o bootstrap/*~ 089 $(RM) drivers/*.o drivers/*~ 090 $(RM) hwcore/*.o hwcore/*~ 091 $(RM) sos/*.o sos/*~ 092 $(RM) support/*~ 093 $(RM) extra/*~ 094 $(MAKE) -C userland clean
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