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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
#

ifndef CROSS_PREFIX
    CROSS_PREFIX = /usr/local
endif

BFD_NAME = elf32-i386
BFD_ARCH = i386
BFD = binary
TARGET = i686-pc-linux-gnu
TOOLCHAIN_DIR = $(CROSS_PREFIX)/i686

DEFS += -DMACHINE=$(MACHINE) -D__32_BITS__

CMN1 = -m32
GCC_CFLAGS += $(CMN1)
ICC_CFLAGS += $(CMN1)
SUNCC_CFLAGS += $(CMN1)

## Accepted CPUs
#

ifeq ($(MACHINE),athlon-xp)
    FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-3dnow
    CMN2 = -march=athlon-xp
    GCC_CFLAGS += $(CMN2)
    ICC_CFLAGS += $(CMN2)
    SUNCC_CFLAGS += -xarch=ssea
    DEFS += -DCONFIG_FENCES_P3
    CONFIG_SMP = n
    CONFIG_HT = n
endif
ifeq ($(MACHINE),athlon-mp)
    FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-3dnow
    CMN2 = -march=athlon-mp
    GCC_CFLAGS += $(CMN2)
    ICC_CFLAGS += $(CMN2)
    SUNCC_CFLAGS += xarch=ssea
    DEFS += -DCONFIG_FENCES_P3
    CONFIG_HT = n
endif
ifeq ($(MACHINE),pentium3)
    FPU_NO_CFLAGS = -mno-mmx -mno-sse
    CMN2 = -march=pentium3
    GCC_CFLAGS += $(CMN2)
    ICC_CFLAGS += $(CMN2)
    SUNCC_CFLAGS += -xarch=sse
    DEFS += -DCONFIG_FENCES_P3
    CONFIG_HT = n
endif
ifeq ($(MACHINE),core)
    FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-sse2 -mno-sse3
    CMN2 = -march=prescott
    GCC_CFLAGS += $(CMN2)
    ICC_CFLAGS += $(CMN2)
    SUNCC_CFLAGS += -xarch=sse3
    DEFS += -DCONFIG_FENCES_P4
endif
ifeq ($(MACHINE),pentium4)
    FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-sse2
    GCC_CFLAGS += -march=pentium4
    ICC_CFLAGS += -march=pentium4
    SUNCC_CFLAGS += -xarch=sse2
    DEFS += -DCONFIG_FENCES_P4
endif

## Own configuration directives
#

CONFIG_ACPI = y

## Compile with hierarchical page tables support.
#

CONFIG_PAGE_PT = y
DEFS += -DCONFIG_PAGE_PT

## Compile with i8042 controller support
#

CONFIG_I8042 = y
DEFS += -DCONFIG_I8042

## Accepted configuration directives
#

ifeq ($(CONFIG_SMP),y)
    DEFS += -DCONFIG_SMP
endif
ifeq ($(CONFIG_HT),y)
    DEFS += -DCONFIG_HT
endif
ifeq ($(CONFIG_SIMICS_FIX),y)
    DEFS += -DCONFIG_SIMICS_FIX
endif

## Compile with support for software integer division.
#

CONFIG_SOFTINT = y

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/proc/task.c \
    arch/$(ARCH)/src/proc/thread.c \
    arch/$(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/as.c \
    arch/$(ARCH)/src/mm/frame.c \
    arch/$(ARCH)/src/mm/page.c \
    arch/$(ARCH)/src/mm/tlb.c \
    arch/$(ARCH)/src/ddi/ddi.c \
    arch/$(ARCH)/src/drivers/i8254.c \
    arch/$(ARCH)/src/drivers/i8259.c \
    arch/$(ARCH)/src/drivers/ega.c \
    arch/$(ARCH)/src/drivers/vesa.c \
    arch/$(ARCH)/src/boot/boot.S \
    arch/$(ARCH)/src/boot/memmap.c \
    arch/$(ARCH)/src/fpu_context.c \
    arch/$(ARCH)/src/debugger.c \
    arch/$(ARCH)/src/syscall.c