source: mainline/tools/ew.py@ cd0a38e

#!/usr/bin/env python3
#
# 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 inspect
import os
import platform
import re
import subprocess
import sys
import _thread
import time

overrides = {}

CONFIG = 'Makefile.config'

TOOLS_DIR = os.path.dirname(inspect.getabsfile(inspect.currentframe()))

def read_config():
        "Read HelenOS build configuration"

        inf = open(CONFIG, 'r')
        config = {}

        for line in inf:
                res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line)
                if (res):
                        config[res.group(1)] = res.group(2)

        inf.close()
        return config

def is_override(str):
        if str in overrides.keys():
                return overrides[str]
        return False

def cfg_get(platform, machine, processor):
        if machine == "" or "run" in emulators[platform]:
                return emulators[platform]
        elif processor == "" or "run" in emulators[platform][machine]:
                return emulators[platform][machine]
        else:
                return emulators[platform][machine][processor]

def termemu_detect():
        emus = ['gnome-terminal', 'xfce4-terminal', 'xterm']
        for termemu in emus:
                try:
                        subprocess.check_output('which ' + termemu, shell = True)
                        return termemu
                except:
                        pass

        print('Could not find any of the terminal emulators %s.'%(emus))
        sys.exit(1)

def run_in_console(cmd, title):
        temu = termemu_detect()
        if temu == 'gnome-terminal':
                cmdline = temu + ' -- ' + cmd
        else:
                ecmd = cmd.replace('"', '\\"')
                cmdline = temu + ' -T ' + '"' + title + '"' + ' -e "' + ecmd + '"'

        print(cmdline)
        if not is_override('dryrun'):
                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 and not is_override('nokvm'):
                opts = opts + ' -enable-kvm'

        # Remove the leading space
        return opts[1:]

def malta_options():
        return '-cpu 4Kc -append "console=devices/\\hw\\pci0\\00:0a.0\\com1\\a"'

def find_firmware(name, environ_var, default_paths, extra_info=None):
        """Find firmware image(s)."""

        if environ_var in os.environ:
                return os.environ[environ_var]

        for path in default_paths:
                if os.path.exists(path):
                        return path

        sys.stderr.write("Cannot find %s binary image(s)!\n" % name)
        sys.stderr.write(
            "Either set %s environment variable accordingly or place the image(s) in one of the default locations: %s.\n" %
            (environ_var, ", ".join(default_paths)))
        if extra_info is not None:
                sys.stderr.write(extra_info)
        return None

def platform_to_qemu_options(platform, machine, processor):
        if platform == 'amd64':
                return 'system-x86_64', pc_options(64)
        elif platform == 'arm32':
                if machine == 'integratorcp':
                        return 'system-arm', '-M integratorcp'
                elif machine == 'raspberrypi':
                        return 'system-arm', '-M raspi1ap'
        elif platform == 'arm64':
                if machine == 'virt':
                        # Search for the EDK2 firmware image
                        default_paths = (
                                '/usr/local/qemu-efi-aarch64/QEMU_EFI.fd', # Custom
                                '/usr/share/edk2/aarch64/QEMU_EFI.fd',     # Fedora
                                '/usr/share/qemu-efi-aarch64/QEMU_EFI.fd', # Ubuntu
                        )
                        extra_info = ("Pre-compiled binary can be obtained from "
                            "http://snapshots.linaro.org/components/kernel/leg-virt-tianocore-edk2-upstream/latest/QEMU-AARCH64/RELEASE_GCC5/QEMU_EFI.fd.\n")
                        efi_path = find_firmware(
                            "EDK2", 'EW_QEMU_EFI_AARCH64', default_paths, extra_info)
                        if efi_path is None:
                                raise Exception

                        return 'system-aarch64', \
                            '-M virt -cpu cortex-a57 -m 1024 -bios %s' % efi_path
        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', '-m 256'
        elif platform == 'sparc64':
                if machine != 'generic':
                        raise Exception
                if processor == 'us':
                        cmdline = '-M sun4u'
                        if is_override('nographic'):
                            cmdline += ' --prom-env boot-args="console=devices/\\hw\\pci0\\01:01.0\\com1\\a"'
                        return 'system-sparc64', cmdline

                # processor = 'sun4v'
                opensparc_bins = find_firmware(
                    "OpenSPARC", 'OPENSPARC_BINARIES',
                    ('/usr/local/opensparc/image/', ))
                if opensparc_bins is None:
                        raise Exception

                return 'system-sparc64', '-M niagara -m 256 -L %s' % (opensparc_bins)


def hdisk_mk():
        if not os.path.exists('hdisk.img'):
                subprocess.call(TOOLS_DIR + '/mkfat.py 1048576 dist/data hdisk.img', shell = True)

def qemu_bd_options():
        if is_override('nohdd'):
                return ''

        hdisk_mk()

        hdd_options = ''
        if 'hdd' in overrides.keys():
                if 'ata' in overrides['hdd'].keys():
                        hdd_options += ''
                elif 'virtio-blk' in overrides['hdd'].keys():
                        hdd_options += ',if=virtio'

        return ' -drive file=hdisk.img,index=0,media=disk,format=raw' + hdd_options

def qemu_nic_ne2k_options():
        return ' -device ne2k_isa,irq=5,netdev=n1'

def qemu_nic_e1k_options():
        return ' -device e1000,netdev=n1'

def qemu_nic_rtl8139_options():
        return ' -device rtl8139,netdev=n1'

def qemu_nic_virtio_options():
        return ' -device virtio-net,netdev=n1'

def qemu_net_options():
        if is_override('nonet'):
                return ''

        nic_options = ''
        if 'net' in overrides.keys():
                if 'e1k' in overrides['net'].keys():
                        nic_options += qemu_nic_e1k_options()
                if 'rtl8139' in overrides['net'].keys():
                        nic_options += qemu_nic_rtl8139_options()
                if 'ne2k' in overrides['net'].keys():
                        nic_options += qemu_nic_ne2k_options()
                if 'virtio-net' in overrides['net'].keys():
                        nic_options += qemu_nic_virtio_options()
        else:
                # Use the default NIC
                nic_options += qemu_nic_e1k_options()

        return nic_options + ' -netdev user,id=n1,hostfwd=udp::8080-:8080,hostfwd=udp::8081-:8081,hostfwd=tcp::8080-:8080,hostfwd=tcp::8081-:8081,hostfwd=tcp::2223-:2223'

def qemu_usb_options():
        if is_override('nousb'):
                return ''
        return ' -usb'

def qemu_xhci_options():
        if is_override('noxhci'):
                return ''
        return ' -device nec-usb-xhci,id=xhci'

def qemu_tablet_options():
        if is_override('notablet') or (is_override('nousb') and is_override('noxhci')):
                return ''
        return ' -device usb-tablet'

def qemu_audio_options():
        if is_override('nosnd'):
                return ''
        return ' -device intel-hda -device hda-duplex'

def qemu_run(platform, machine, processor):
        cfg = cfg_get(platform, machine, processor)
        suffix, options = platform_to_qemu_options(platform, machine, processor)
        cmd = 'qemu-' + suffix

        cmdline = cmd
        if 'qemu_path' in overrides.keys():
                cmdline = overrides['qemu_path'] + cmd

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

        if (not 'hdd' in cfg.keys() or cfg['hdd']):
                cmdline += qemu_bd_options()
        if (not 'net' in cfg.keys()) or cfg['net']:
                cmdline += qemu_net_options()
        if (not 'usb' in cfg.keys()) or cfg['usb']:
                cmdline += qemu_usb_options()
        if (not 'xhci' in cfg.keys()) or cfg['xhci']:
                cmdline += qemu_xhci_options()
        if (not 'tablet' in cfg.keys()) or cfg['tablet']:
                cmdline += qemu_tablet_options()
        if (not 'audio' in cfg.keys()) or cfg['audio']:
                cmdline += qemu_audio_options()

        console = ('console' in cfg.keys() and cfg['console'])

        if (is_override('nographic')):
                cmdline += ' -nographic'

        if (not console and (not is_override('nographic')) and not is_override('noserial')):
                cmdline += ' -serial stdio'

        if (is_override('bigmem')):
                cmdline += ' -m 4G'

        if cfg['image'] == 'image.iso':
                cmdline += ' -boot d -cdrom image.iso'
        elif cfg['image'] == 'image.iso@arm64':
                # Define image.iso cdrom backend.
                cmdline += ' -drive if=none,file=image.iso,id=cdrom,media=cdrom'
                # Define scsi bus.
                cmdline += ' -device virtio-scsi-device'
                # Define cdrom frontend connected to this scsi bus.
                cmdline += ' -device scsi-cd,drive=cdrom'
        elif cfg['image'] == 'image.boot':
                cmdline += ' -kernel image.boot'
        elif cfg['image'] == 'kernel.img@rpi':
                cmdline += ' -bios boot/image.boot.bin'
        else:
                cmdline += ' ' + cfg['image']

        if console:
                cmdline += ' -nographic'

                title = 'HelenOS/' + platform
                if machine != '':
                        title += ' on ' + machine
                if 'expect' in cfg.keys():
                        cmdline = 'expect -c \'spawn %s; expect "%s" { send "%s" } timeout exp_continue; interact\'' % (cmdline, cfg['expect']['src'], cfg['expect']['dst'])
                run_in_console(cmdline, title)
        else:
                print(cmdline)
                if not is_override('dryrun'):
                        subprocess.call(cmdline, shell = True)

def ski_run(platform, machine, processor):
        run_in_console('ski -i ' + TOOLS_DIR + '/conf/ski.conf', 'HelenOS/ia64 on ski')

def msim_run(platform, machine, processor):
        hdisk_mk()
        run_in_console('msim -c ' + TOOLS_DIR + '/conf/msim.conf', 'HelenOS/mips32 on msim')

def spike_run(platform, machine, processor):
        run_in_console('spike -m1073741824:1073741824 image.boot', 'HelenOS/risvc64 on Spike')

emulators = {
        'amd64' : {
                'run' : qemu_run,
                'image' : 'image.iso'
        },
        'arm32' : {
                'integratorcp' : {
                        'run' : qemu_run,
                        'image' : 'image.boot',
                        'net' : False,
                        'audio' : False,
                        'xhci' : False,
                        'tablet' : False
                },
                'raspberrypi' : {
                        'run' : qemu_run,
                        'image' : 'kernel.img@rpi',
                        'audio' : False,
                        'console' : True,
                        'hdd' : False,
                        'net' : False,
                        'tablet' : False,
                        'usb' : False,
                        'xhci' : False
                },
        },
        'arm64' : {
                'virt' : {
                        'run' : qemu_run,
                        'image' : 'image.iso@arm64',
                        'audio' : False,
                        'console' : True,
                        'hdd' : False,
                        'net' : False,
                        'tablet' : False,
                        'usb' : False,
                        'xhci' : False
                }
        },
        'ia32' : {
                'run' : qemu_run,
                'image' : 'image.iso'
        },
        'ia64' : {
                'ski' : {
                        'run' : ski_run
                }
        },
        'mips32' : {
                'msim' : {
                        'run' : msim_run
                },
                'lmalta' : {
                        'run' : qemu_run,
                        'image' : 'image.boot',
                        'console' : True
                },
                'bmalta' : {
                        'run' : qemu_run,
                        'image' : 'image.boot',
                        'console' : True
                },
        },
        'ppc32' : {
                'run' : qemu_run,
                'image' : 'image.iso',
                'audio' : False
        },
        'riscv64' : {
                'run' : spike_run,
                'image' : 'image.boot'
        },
        'sparc64' : {
                'generic' : {
                        'us' : {
                                'run' : qemu_run,
                                'image' : 'image.iso',
                                'audio' : False,
                                'console' : is_override('nographic'),
                                'net' : False,
                                'usb' : False,
                                'xhci' : False,
                                'tablet' : False
                        },
                        'sun4v' : {
                                'run' : qemu_run,
                                'image' : '-drive if=pflash,readonly=on,file=image.iso',
                                'audio' : False,
                                'console' : True,
                                'net' : False,
                                'usb' : False,
                                'xhci' : False,
                                'tablet' : False,
                                'expect' : {
                                        'src' : 'ok ',
                                        'dst' : 'boot\n'
                                },
                        }
                }
        },
}

def usage():
        print("%s - emulator wrapper for running HelenOS\n" % os.path.basename(sys.argv[0]))
        print("%s [-d] [-h] [-net e1k|rtl8139|ne2k|virtio-net] [-hdd ata|virtio-blk] [-nohdd] [-nokvm] [-nonet] [-nosnd] [-nousb] [-noxhci] [-notablet]\n" %
            os.path.basename(sys.argv[0]))
        print("-d\tDry run: do not run the emulation, just print the command line.")
        print("-h\tPrint the usage information and exit.")
        print("-nohdd\tDisable hard disk, if applicable.")
        print("-nokvm\tDisable KVM, if applicable.")
        print("-nonet\tDisable networking support, if applicable.")
        print("-nosnd\tDisable sound, if applicable.")
        print("-nousb\tDisable USB support, if applicable.")
        print("-noxhci\tDisable XHCI support, if applicable.")
        print("-notablet\tDisable USB tablet (use only relative-position PS/2 mouse instead), if applicable.")
        print("-nographic\tDisable graphical output. Serial port output must be enabled for this to be useful.")
        print("-noserial\tDisable serial port output in the terminal.")
        print("-bigmem\tSets maximum RAM size to 4GB.")

def fail(platform, machine):
        print("Cannot start emulation for the chosen configuration. (%s/%s)" % (platform, machine))


def run():
        expect_nic = False
        expect_hdd = False
        expect_qemu = False

        for i in range(1, len(sys.argv)):

                if expect_nic:
                        expect_nic = False
                        if not 'net' in overrides.keys():
                                overrides['net'] = {}
                        if sys.argv[i] == 'e1k':
                                overrides['net']['e1k'] = True
                        elif sys.argv[i] == 'rtl8139':
                                overrides['net']['rtl8139'] = True
                        elif sys.argv[i] == 'ne2k':
                                overrides['net']['ne2k'] = True
                        elif sys.argv[i] == 'virtio-net':
                                overrides['net']['virtio-net'] = True
                        else:
                                usage()
                                exit()
                        continue

                if expect_hdd:
                        expect_hdd = False
                        if not 'hdd' in overrides.keys():
                                overrides['hdd'] = {}
                        if sys.argv[i] == 'ata':
                                overrides['hdd']['ata'] = True
                        elif sys.argv[i] == 'virtio-blk':
                                overrides['hdd']['virtio-blk'] = True
                        else:
                                usage()
                                exit()
                        continue

                if expect_qemu:
                        expect_qemu = False
                        overrides['qemu_path'] = sys.argv[i]

                elif sys.argv[i] == '-h':
                        usage()
                        exit()
                elif sys.argv[i] == '-d':
                        overrides['dryrun'] = True
                elif sys.argv[i] == '-net' and i < len(sys.argv) - 1:
                        expect_nic = True
                elif sys.argv[i] == '-hdd' and i < len(sys.argv) - 1:
                        expect_hdd = True
                elif sys.argv[i] == '-nohdd':
                        overrides['nohdd'] = True
                elif sys.argv[i] == '-nokvm':
                        overrides['nokvm'] = True
                elif sys.argv[i] == '-nonet':
                        overrides['nonet'] = True
                elif sys.argv[i] == '-nosnd':
                        overrides['nosnd'] = True
                elif sys.argv[i] == '-nousb':
                        overrides['nousb'] = True
                elif sys.argv[i] == '-noxhci':
                        overrides['noxhci'] = True
                elif sys.argv[i] == '-notablet':
                        overrides['notablet'] = True
                elif sys.argv[i] == '-nographic':
                        overrides['nographic'] = True
                elif sys.argv[i] == '-bigmem':
                        overrides['bigmem'] = True
                elif sys.argv[i] == '-noserial':
                        overrides['noserial'] = True
                elif sys.argv[i] == '-qemu_path' and i < len(sys.argv) - 1:
                        expect_qemu = True
                else:
                        usage()
                        exit()

        config = read_config()

        if 'PLATFORM' in config.keys():
                platform = config['PLATFORM']
        else:
                platform = ''

        if 'MACHINE' in config.keys():
                mach = config['MACHINE']
        else:
                mach = ''

        if 'PROCESSOR' in config.keys():
                processor = config['PROCESSOR']
        else:
                processor = ''

        try:
                emu_run = cfg_get(platform, mach, processor)['run']
                emu_run(platform, mach, processor)
        except:
                fail(platform, mach)
                return

run()