2013-04-11 02:10:10 -06:00
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#
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# This file is part of the COMROGUE Operating System for Raspberry Pi
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#
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# Copyright (c) 2013, Eric J. Bowersox / Erbosoft Enterprises
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# All rights reserved.
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#
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# This program is free for commercial and non-commercial use as long as the following conditions are
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# adhered to.
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#
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# Copyright in this file remains Eric J. Bowersox and/or Erbosoft, and as such any copyright notices
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# in the code are not to be removed.
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#
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# Redistribution and use in source and binary forms, with or without modification, are permitted
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# provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this list of conditions and
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# the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
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# the following disclaimer in the documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# "Raspberry Pi" is a trademark of the Raspberry Pi Foundation.
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MAKEFLAGS += -rR
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ARMDIR ?= /opt/gnuarm/bin
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ARMPREFIX ?= arm-none-eabi
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CC = $(ARMDIR)/$(ARMPREFIX)-gcc
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CPP = $(ARMDIR)/$(ARMPREFIX)-cpp
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AS = $(ARMDIR)/$(ARMPREFIX)-as
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LD = $(ARMDIR)/$(ARMPREFIX)-ld
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OBJDUMP = $(ARMDIR)/$(ARMPREFIX)-objdump
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OBJCOPY = $(ARMDIR)/$(ARMPREFIX)-objcopy
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DEFS = -D__COMROGUE_INTERNALS__
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INCLUDES = -I../include -I../idl
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CFLAGS = $(INCLUDES) -mabi=aapcs -mfloat-abi=hard -mcpu=arm1176jzf-s -Wall -O2 \
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-nostdlib -nostartfiles -ffreestanding $(DEFS)
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AFLAGS = -mcpu=arm1176jzf-s -mfloat-abi=hard
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ASM_CPP_FLAGS = $(INCLUDES) $(DEFS) -D__ASM__
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PRESTART_OBJS = prestart.o early_trace.o collect_startup.o early_mm.o
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2013-04-14 03:38:48 -06:00
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LIB_OBJS = divide.o qdivrem.o intlib.o objhelp.o str.o strcopymem.o strcomparemem.o strsetmem.o lib_guids.o
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RES_OBJS = lowlevel.o trace.o memmgr.o vmmap.o pagealloc.o
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INIT_OBJS = start.o kistart.o init_heap.o
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2013-04-11 02:10:10 -06:00
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all: kernel.img
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comrogue-kernel.elf : $(PRESTART_OBJS) $(LIB_OBJS) $(RES_OBJS) $(INIT_OBJS) comrogue-kernel.lds
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$(CPP) $(ASM_CPP_FLAGS) -P -o comrogue-kernel.lds.parsed comrogue-kernel.lds
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$(LD) -T comrogue-kernel.lds.parsed $(PRESTART_OBJS) $(LIB_OBJS) $(RES_OBJS) \
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$(INIT_OBJS) -o comrogue-kernel.elf
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kernel.img : comrogue-kernel.elf
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$(OBJDUMP) -D comrogue-kernel.elf > comrogue-kernel.list
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$(OBJDUMP) -t comrogue-kernel.elf > comrogue-kernel.syms
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sort comrogue-kernel.syms > comrogue-kernel.syms.sorted
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$(OBJCOPY) comrogue-kernel.elf -O binary kernel.img
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%.o: %.S
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$(CPP) $(ASM_CPP_FLAGS) -o $(basename $<).s $<
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$(AS) $(AFLAGS) -o $@ $(basename $<).s
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%.o: %.c
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$(CC) $(CFLAGS) -c -o $@ $<
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clean:
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-rm *.o *.s kernel.img comrogue-kernel.elf comrogue-kernel.lds.parsed comrogue-kernel.list \
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comrogue-kernel.syms*
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