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#

# Copyright (C) 2005 Martin Decky

# All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

# - Redistributions of source code must retain the above copyright

#   notice, this list of conditions and the following disclaimer.

# - Redistributions in binary form must reproduce the above copyright

#   notice, this list of conditions and the following disclaimer in the

#   documentation and/or other materials provided with the distribution.

# - The name of the author may not be used to endorse or promote products

#   derived from this software without specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#

## Toolchain configuration

#

BFD_NAME = elf32-i386

BFD_ARCH = mips

TARGET = mipsel-linux-gnu

TOOLCHAIN_DIR = /usr/local/mipsel/bin

## Make some default assumptions

#

ifndef CPU

	CPU = pentium4

endif

## Accepted CPUs

#

ifeq ($(CPU),athlon-xp)

	CFLAGS += -march=athlon-xp -mmmx -msse -m3dnow

	DEFS += -DFENCES=486

	CONFIG_SMP = n

	CONFIG_HT = n

endif

ifeq ($(CPU),athlon-mp)

	CFLAGS += -march=athlon-mp -mmmx -msse -m3dnow

	DEFS += -DFENCES=486

endif

ifeq ($(CPU),pentium3)

	CFLAGS += -march=pentium3 -mmmx -msse -msse2

	DEFS += -DFENCES=486

endif

ifeq ($(CPU),pentium4)

	CFLAGS += -march=pentium4 -mfpmath=sse -mmmx -msse -msse2 -msse3

	DEFS += -DFENCES=p4

endif

## Own configuration directives

#

CONFIG_ACPI = y

## Accepted configuration directives

#

ifeq ($(CONFIG_SMP),y)

	DEFS += -DSMP

endif

ifeq ($(CONFIG_HT),y)

	DEFS += -DHT

endif

ifeq ($(CONFIG_FPU_LAZY),y)

	DEFS += -DFPU_LAZY

endif

ARCH_SOURCES = \

	arch/$(ARCH)/src/context.s \

	arch/$(ARCH)/src/debug/panic.s \

	arch/$(ARCH)/src/delay.s \

	arch/$(ARCH)/src/asm.S \

	arch/$(ARCH)/src/proc/scheduler.c \

	arch/$(ARCH)/src/bios/bios.c \

	arch/$(ARCH)/src/smp/ap.S \

	arch/$(ARCH)/src/smp/apic.c \

	arch/$(ARCH)/src/smp/mps.c \

	arch/$(ARCH)/src/smp/smp.c \

	arch/$(ARCH)/src/atomic.S \

	arch/$(ARCH)/src/smp/ipi.c \

	arch/$(ARCH)/src/ia32.c \

	arch/$(ARCH)/src/interrupt.c \

	arch/$(ARCH)/src/pm.c \

	arch/$(ARCH)/src/userspace.c \

	arch/$(ARCH)/src/cpu/cpu.c \

	arch/$(ARCH)/src/mm/frame.c \

	arch/$(ARCH)/src/mm/memory_init.c \

	arch/$(ARCH)/src/mm/page.c \

	arch/$(ARCH)/src/mm/tlb.c \

	arch/$(ARCH)/src/drivers/i8042.c \

	arch/$(ARCH)/src/drivers/i8254.c \

	arch/$(ARCH)/src/drivers/i8259.c \

	arch/$(ARCH)/src/drivers/ega.c \

	arch/$(ARCH)/src/boot/boot.S \

	arch/$(ARCH)/src/boot/memmap.S \

	arch/$(ARCH)/src/fpu_context.c\

	arch/$(ARCH)/src/fmath.c

DEFS= -DMACHINE=${MACHINE} -DKERNEL_LOAD_ADDRESS=${KERNEL_LOAD_ADDRESS}

CFLAGS=-mno-abicalls -G 0 -nostdlib -fno-builtin -O2  -fno-zero-initialized-in-bss

LFLAGS=

# GCC 4.0.1 compiled for mipsEL has problems compiling in 

# BigEndian mode with the swl/swr/lwl/lwr instructions.

# We have to compile it with mips-sgi-irix5 to get it right.

ifeq (${MACHINE},indy)

 MIPS_TARGET=mips-sgi-irix5

 MIPS_CC_DIR=/usr/local/mips/bin

 MIPS_BINUTILS_DIR=/usr/local/mips/bin

 CFLAGS += -EB -DBIG_ENDIAN -DHAVE_FPU -DFPU_LAZY -march=r4600

 BFD = ecoff-bigmips

 KERNEL_LOAD_ADDRESS = 0x88002000

 BFD_NAME=elf32-bigmips

endif

ifeq (${MACHINE},lgxemul)

 CFLAGS += -DHAVE_FPU -DFPU_LAZY -mips3

 BFD = ecoff-littlemips

 KERNEL_LOAD_ADDRESS = 0x80100000

 BFD_NAME=elf32-tradlittlemips

endif

ifeq (${MACHINE},bgxemul)

 MIPS_TARGET=mips-sgi-irix5

 MIPS_CC_DIR=/usr/local/mips/bin

 MIPS_BINUTILS_DIR=/usr/local/mips/bin

 CFLAGS += -EB -DBIG_ENDIAN -DHAVE_FPU -DFPU_LAZY -mips3

 BFD = ecoff-bigmips

 KERNEL_LOAD_ADDRESS = 0x80100000

 BFD_NAME=elf32-bigmips

endif

# MSIM needs lwl/swl patch & 4kc instruction patch to work

# otherwise add -mmemcpy -mips3

ifeq (${MACHINE},msim4kc)

 BFD = binary

 CFLAGS += -mhard-float -march=4kc 

 KERNEL_LOAD_ADDRESS = 0x80100000

 BFD_NAME=elf32-tradlittlemips

endif

ifeq (${MACHINE},msim)

 BFD = binary

 CFLAGS += -mhard-float -mips3

 KERNEL_LOAD_ADDRESS = 0x80100000

 BFD_NAME=elf32-tradlittlemips

endif

# SIMICS 4kc emulation is broken, although for instructions

# that do not bother us

ifeq (${MACHINE},simics)

 BFD = elf32-tradlittlemips

 CFLAGS += -mhard-float -mips3

 KERNEL_LOAD_ADDRESS = 0x80100000

 BFD_NAME=elf32-tradlittlemips

endif

arch/$(ARCH)/_link.ld: arch/$(ARCH)/_link.ld.in

	$(CC) $(CFLAGS) -C -DBFD=${BFD} -E -x c $< | grep -v "^\#" > $@

arch_sources= \

	generic/src/arch/start.S \

	generic/src/arch/context.S \

	generic/src/arch/panic.S \

	generic/src/arch/mips32.c \

	generic/src/arch/dummy.S \

	generic/src/arch/console.c \

	generic/src/arch/asm.S \

	generic/src/arch/exception.c \

	generic/src/arch/interrupt.c \

	generic/src/arch/cache.c \

	generic/src/arch/cpu/cpu.c \

	generic/src/arch/mm/asid.c \

	generic/src/arch/mm/frame.c \

	generic/src/arch/mm/page.c \

	generic/src/arch/mm/tlb.c \

	generic/src/arch/mm/vm.c \

	generic/src/arch/fpu_context.c \

	generic/src/arch/fmath.c \

	generic/src/arch/drivers/arc.c