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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 = elf64-sparc
BFD_ARCH = sparc
BFD = binary
TARGET = sparc64-linux-gnu
TOOLCHAIN_DIR = $(CROSS_PREFIX)/sparc64

GCC_CFLAGS += -m64 -mcpu=ultrasparc 
SUNCC_CFLAGS += -m64 -xarch=sparc -xregs=appl,no%float

LFLAGS += -no-check-sections -N

DEFS += -D__64_BITS__

## Own configuration directives
#

## Compile with page hash table support.
#

CONFIG_PAGE_HT = y
DEFS += -DCONFIG_PAGE_HT

## Compile with support for address space identifiers.
#

CONFIG_ASID = y
CONFIG_ASID_FIFO = y

## Compile with support for framebuffer.
#

CONFIG_FB = y

## Compile with support for Sun keyboard.
#

CONFIG_SUN_KBD = y

## Compile with support for OpenFirmware device tree.
#

CONFIG_OFW_TREE = y

ifeq ($(CONFIG_SMP),y)
    DEFS += -DCONFIG_SMP
endif

ifeq ($(CONFIG_SGCN),y)
        DEFS += -DCONFIG_SGCN
endif

ifeq ($(MACHINE),us)
    USARCH = sun4u
    DEFS += -DSUN4U
    DEFS += -DUS
endif

ifeq ($(MACHINE),us3)
    USARCH = sun4u
    DEFS += -DSUN4U
    DEFS += -DUS3
endif

ifeq ($(MACHINE),sun4v)
    USARCH = sun4v
    DEFS += -DSUN4V
    DEFS += -DUS3 # TODO: do not forget to remove this line, it is here only to make the code compilable even when the sun4v port is not fully implemented yet
endif


# sources which exist in two versions - one for sun4u and one for sun4v
ARCH_SOURCES = \
    arch/$(ARCH)/src/$(USARCH)/start.S \
    arch/$(ARCH)/src/trap/$(USARCH)/trap_table.S \
    arch/$(ARCH)/src/$(USARCH)/asm.S \
    arch/$(ARCH)/src/$(USARCH)/sparc64.c \
    arch/$(ARCH)/src/mm/$(USARCH)/tlb.c \
    arch/$(ARCH)/src/mm/$(USARCH)/as.c \
    arch/$(ARCH)/src/cpu/$(USARCH)/cpu.c

# specific to machine type

# sun4u-specific, not #ifdef'd yet in order to make the code compilable
ARCH_SOURCES += \
    arch/$(ARCH)/src/asm.S \
    arch/$(ARCH)/src/panic.S \
    arch/$(ARCH)/src/console.c \
    arch/$(ARCH)/src/context.S \
    arch/$(ARCH)/src/fpu_context.c \
    arch/$(ARCH)/src/dummy.s \
    arch/$(ARCH)/src/mm/cache.S \
    arch/$(ARCH)/src/mm/frame.c \
    arch/$(ARCH)/src/mm/page.c \
    arch/$(ARCH)/src/proc/scheduler.c \
    arch/$(ARCH)/src/proc/thread.c \
    arch/$(ARCH)/src/trap/mmu.S \
    arch/$(ARCH)/src/trap/trap.c \
    arch/$(ARCH)/src/trap/exception.c \
    arch/$(ARCH)/src/trap/interrupt.c \
    arch/$(ARCH)/src/ddi/ddi.c \
    arch/$(ARCH)/src/drivers/tick.c \
    arch/$(ARCH)/src/drivers/kbd.c \
    arch/$(ARCH)/src/drivers/scr.c \
    arch/$(ARCH)/src/drivers/sgcn.c \
    arch/$(ARCH)/src/drivers/pci.c

# sun4v-specific sources
ifeq ($(USARCH),sun4v)
ARCH_SOURCES += \
    arch/$(ARCH)/src/drivers/niagara.c \
    arch/$(ARCH)/src/sun4v/md.c
endif

ifeq ($(CONFIG_SMP),y)
ARCH_SOURCES += \
    arch/$(ARCH)/src/smp/ipi.c \
    arch/$(ARCH)/src/smp/$(USARCH)/smp.c
endif

ifeq ($(CONFIG_TSB),y)
ARCH_SOURCES += \
    arch/$(ARCH)/src/mm/tsb.c
endif

ifdef CONFIG_Z8530
ARCH_SOURCES += \
    arch/$(ARCH)/src/drivers/fhc.c
endif