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scripts/qemu.py: allow arches use KVM for their 32bit cousins

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A lot of architectures can run their 32 bit cousins on KVM so the
kvm_available function needs to be a little less restricting when
deciding if KVM is available.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2019-01-22 11:49:57 +00:00
parent ddafa31fae
commit 2d4e4c01b1
1 changed files with 10 additions and 2 deletions
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12
scripts/qemu.py
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@ -25,10 +25,18 @@ import tempfile
LOG = logging.getLogger(__name__)
# Mapping host architecture to any additional architectures it can
# support which often includes its 32 bit cousin.
ADDITIONAL_ARCHES = {
"x86_64" : "i386",
"aarch64" : "armhf"
}
def kvm_available(target_arch=None):
if target_arch and target_arch != os.uname()[4]:
return False
host_arch = os.uname()[4]
if target_arch and target_arch != host_arch:
if target_arch != ADDITIONAL_ARCHES.get(host_arch):
return False
return os.access("/dev/kvm", os.R_OK | os.W_OK)