f2642e2055
This allows one two different OS requirements for the same ISA to be handled. Some OSes are compiled for a virtual address and need to be loaded into physical memory that starts at address 0, while other bare metal tools generate images that start at address 0.
74 lines
3.6 KiB
Python
74 lines
3.6 KiB
Python
# Copyright (c) 2007 The Regents of The University of Michigan
|
|
# 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;
|
|
# neither the name of the copyright holders nor the names of its
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "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 COPYRIGHT
|
|
# OWNER OR CONTRIBUTORS 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.
|
|
#
|
|
# Authors: Nathan Binkert
|
|
|
|
from m5.params import *
|
|
|
|
from PhysicalMemory import *
|
|
from System import System
|
|
|
|
class SparcSystem(System):
|
|
type = 'SparcSystem'
|
|
_rom_base = 0xfff0000000
|
|
_nvram_base = 0x1f11000000
|
|
_hypervisor_desc_base = 0x1f12080000
|
|
_partition_desc_base = 0x1f12000000
|
|
# ROM for OBP/Reset/Hypervisor
|
|
rom = Param.PhysicalMemory(
|
|
PhysicalMemory(range=AddrRange(_rom_base, size='8MB')),
|
|
"Memory to hold the ROM data")
|
|
# nvram
|
|
nvram = Param.PhysicalMemory(
|
|
PhysicalMemory(range=AddrRange(_nvram_base, size='8kB')),
|
|
"Memory to hold the nvram data")
|
|
# hypervisor description
|
|
hypervisor_desc = Param.PhysicalMemory(
|
|
PhysicalMemory(range=AddrRange(_hypervisor_desc_base, size='8kB')),
|
|
"Memory to hold the hypervisor description")
|
|
# partition description
|
|
partition_desc = Param.PhysicalMemory(
|
|
PhysicalMemory(range=AddrRange(_partition_desc_base, size='8kB')),
|
|
"Memory to hold the partition description")
|
|
|
|
reset_addr = Param.Addr(_rom_base, "Address to load ROM at")
|
|
hypervisor_addr = Param.Addr(Addr('64kB') + _rom_base,
|
|
"Address to load hypervisor at")
|
|
openboot_addr = Param.Addr(Addr('512kB') + _rom_base,
|
|
"Address to load openboot at")
|
|
nvram_addr = Param.Addr(_nvram_base, "Address to put the nvram")
|
|
hypervisor_desc_addr = Param.Addr(_hypervisor_desc_base,
|
|
"Address for the hypervisor description")
|
|
partition_desc_addr = Param.Addr(_partition_desc_base,
|
|
"Address for the partition description")
|
|
|
|
reset_bin = Param.String("file that contains the reset code")
|
|
hypervisor_bin = Param.String("file that contains the hypervisor code")
|
|
openboot_bin = Param.String("file that contains the openboot code")
|
|
nvram_bin = Param.String("file that contains the contents of nvram")
|
|
hypervisor_desc_bin = Param.String("file that contains the hypervisor description")
|
|
partition_desc_bin = Param.String("file that contains the partition description")
|
|
load_addr_mask = 0xffffffffff
|