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Changeset 8a26f82 in mainline


Ignore:
Timestamp:
2013-03-24T17:31:12Z (7 years ago)
Author:
Vojtech Horky <vojtechhorky@…>
Branches:
master
Children:
b2fa2d86
Parents:
b183ce0a
Message:

ew.py: no KVM for 64bit guest on 32bit hosts

File:
1 edited

Legend:

Unmodified
Added
Removed
  • tools/ew.py

    rb183ce0a r8a26f82  
    3636import subprocess
    3737import autotool
     38import platform
    3839
    3940def run_in_console(cmd, title):
     
    4243        subprocess.call(cmdline, shell = True);
    4344
    44 def pc_options():
    45         return '-enable-kvm'
     45def get_host_native_width():
     46        return int(platform.architecture()[0].strip('bit'))
     47
     48def pc_options(guest_width):
     49        opts = ''
     50       
     51        # Do not enable KVM if running 64 bits HelenOS
     52        # on 32 bits host
     53        host_width = get_host_native_width()
     54        if guest_width <= host_width:
     55                opts = opts + ' -enable-kvm'
     56       
     57        # Remove the leading space
     58        return opts[1:]
    4659
    4760def malta_options():
     
    5063def platform_to_qemu_options(platform, machine):
    5164        if platform == 'amd64':
    52                 return 'system-x86_64', pc_options()
     65                return 'system-x86_64', pc_options(64)
    5366        elif platform == 'arm32':
    5467                return 'system-arm', ''
    5568        elif platform == 'ia32':
    56                 return 'system-i386', pc_options()
     69                return 'system-i386', pc_options(32)
    5770        elif platform == 'mips32':
    5871                if machine == 'lmalta':
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