source: mainline/tools/ew.py@ dba3e2c

#!/usr/bin/env python
#
# Copyright (c) 2013 Jakub Jermar 
# 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.
#


"""
Emulator wrapper for running HelenOS
"""

import os 
import subprocess 
import autotool
import platform

def run_in_console(cmd, title):
        cmdline = 'xterm -T ' + '"' + title + '"' + ' -e ' + cmd
        print(cmdline)
        subprocess.call(cmdline, shell = True);

def get_host_native_width():
        return int(platform.architecture()[0].strip('bit'))

def pc_options(guest_width):
        opts = ''
        
        # Do not enable KVM if running 64 bits HelenOS
        # on 32 bits host
        host_width = get_host_native_width()
        if guest_width <= host_width:
                opts = opts + ' -enable-kvm'
        
        # Remove the leading space
        return opts[1:]

def malta_options():
        return '-cpu 4Kc'

def platform_to_qemu_options(platform, machine):
        if platform == 'amd64':
                return 'system-x86_64', pc_options(64)
        elif platform == 'arm32':
                return 'system-arm', ''
        elif platform == 'ia32':
                return 'system-i386', pc_options(32)
        elif platform == 'mips32':
                if machine == 'lmalta':
                        return 'system-mipsel', malta_options()
                elif machine == 'bmalta':
                        return 'system-mips', malta_options()
        elif platform == 'ppc32':
                return 'system-ppc', ''
        elif platform == 'sparc64':
                return 'system-sparc64', ''

def qemu_bd_options():
        if not os.path.exists('hdisk.img'):
                subprocess.call('tools/mkfat.py 1048576 uspace/dist/data hdisk.img', shell = True)
        return ' -hda hdisk.img'

def qemu_nic_ne2k_options():
        return ' -device ne2k_isa,irq=5,vlan=0'

def qemu_nic_e1k_options():
        return ' -device e1000,vlan=0'

def qemu_nic_rtl8139_options():
        return ' -device rtl8139,vlan=0'

def qemu_net_options():
        nic_options = qemu_nic_e1k_options()
        return nic_options + ' -net user -redir udp:8080::8080 -redir udp:8081::8081 -redir tcp:8080::8080 -redir tcp:8081::8081 -redir tcp:2223::2223'

def qemu_usb_options():
        return ''

def qemu_run(platform, machine, console, image, networking, storage, usb):
        suffix, options = platform_to_qemu_options(platform, machine)
        cmd = 'qemu-' + suffix

        cmdline = cmd
        if options != '':
                cmdline += ' ' + options

        if storage:
                cmdline += qemu_bd_options()
        if networking:
                cmdline += qemu_net_options()
        if usb:
                cmdline += qemu_usb_options()
        
        if image == 'image.iso':
                cmdline += ' -boot d -cdrom image.iso'
        elif image == 'image.boot':
                cmdline += ' -kernel image.boot'

        if not console:
                cmdline += ' -nographic'

                title = 'HelenOS/' + platform
                if machine != '':
                        title += ' on ' + machine
                run_in_console(cmdline, title)
        else:
                print(cmdline)
                subprocess.call(cmdline, shell = True)
                
def ski_run(platform, machine, console, image, networking, storage, usb):
        run_in_console('ski -i contrib/conf/ski.conf', 'HelenOS/ia64 on ski')

def msim_run(platform, machine, console, image, networking, storage, usb):
        run_in_console('msim -c contrib/conf/msim.conf', 'HelenOS/mips32 on msim')

emulators = {}
emulators['amd64'] = {}
emulators['arm32'] = {}
emulators['ia32'] = {}
emulators['ia64'] = {}
emulators['mips32'] = {}
emulators['ppc32'] = {}
emulators['sparc64'] = {}

emulators['amd64'][''] = qemu_run, True, 'image.iso', True, True, True
emulators['arm32']['integratorcp'] = qemu_run, True, 'image.boot', False, False, False
emulators['ia32'][''] = qemu_run, True, 'image.iso', True, True, True
emulators['ia64']['ski'] = ski_run, False, 'image.boot', False, False, False
emulators['mips32']['msim'] = msim_run, False, 'image.boot', False, False, False
emulators['mips32']['lmalta'] = qemu_run, False, 'image.boot', False, False, False
emulators['mips32']['bmalta'] = qemu_run, False, 'image.boot', False, False, False
emulators['ppc32'][''] = qemu_run, True, 'image.iso', True, True, True
emulators['sparc64']['generic'] = qemu_run, True, 'image.iso', True, True, True

def run():
        config = {}
        autotool.read_config(autotool.CONFIG, config)

        try:
                platform = config['PLATFORM']
        except:
                platform = ''

        try:
                mach = config['MACHINE']
        except:
                mach = ''

        try:
                emu_run, console, image, networking, storage, usb = emulators[platform][mach]
        except:
                print("Cannot start emulation for the chosen configuration.")
                return

        emu_run(platform, mach, console, image, networking, storage, usb)

run()