moved all the ARM compiler definitions into one file
This commit is contained in:
Eric J. Bowersox
parent
599e0fc459
commit
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64
armcompile.mk
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64
armcompile.mk
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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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# Define the directory and prefix for ARM cross-compiler tools.
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ARMDIR ?= /opt/gnuarm/bin
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ARMPREFIX ?= arm-none-eabi
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# Define the ARM cross-compiler tools.
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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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# Define the default flags for compilation.
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DEFS := -D__COMROGUE_INTERNALS__
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INCLUDES := -I$(CRBASEDIR)/include -I$(CRBASEDIR)/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) $(DEFS) -D__ASM__
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# Standard rule for pre-processing linker script files.
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%.lds: %.Lds
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$(CPP) $(ASM_CPP_FLAGS) -P -o $@ $<
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# Standard rule for preprocessing and assembling assembler files.
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%.o: %.S
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$(CPP) $(ASM_CPP_FLAGS) -o $(basename $<).s $<
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$(AS) $(AFLAGS) -o $@ $(basename $<).s
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# Standard rule for compiling C files.
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%.o: %.c
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$(CC) $(CFLAGS) -c -o $@ $<
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@ -28,24 +28,9 @@
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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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CRBASEDIR := $(abspath ..)
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include $(CRBASEDIR)/armcompile.mk
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PRESTART_OBJS = prestart.o early_trace.o collect_startup.o early_mm.o
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LIB_OBJS = divide.o qdivrem.o intlib.o objhelp.o rbtree.o str.o strcopymem.o strcomparemem.o strsetmem.o lib_guids.o
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@ -54,24 +39,14 @@ INIT_OBJS = start.o kistart.o init_heap.o
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all: kernel.img
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kernel.elf : $(PRESTART_OBJS) $(LIB_OBJS) $(RES_OBJS) $(INIT_OBJS) kernel.lds
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kernel.elf: $(PRESTART_OBJS) $(LIB_OBJS) $(RES_OBJS) $(INIT_OBJS) kernel.lds
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$(LD) -T kernel.lds $(PRESTART_OBJS) $(LIB_OBJS) $(RES_OBJS) $(INIT_OBJS) -o kernel.elf
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kernel.img : kernel.elf
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kernel.img: kernel.elf
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$(OBJDUMP) -D kernel.elf > kernel.list
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$(OBJDUMP) -t kernel.elf > kernel.syms
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sort kernel.syms > kernel.syms.sorted
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$(OBJCOPY) kernel.elf -O binary kernel.img
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%.lds: %.Lds
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$(CPP) $(ASM_CPP_FLAGS) -P -o $@ $<
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%.o: %.S
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$(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 *.lds kernel.img kernel.elf kernel.list kernel.syms*
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