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root / target-i386 @ d9b09f13

Name Size
TODO 1.1 kB
cpu.h 31.6 kB
cpuid.c 44.9 kB
helper.c 40.5 kB
helper.h 6.3 kB
helper_template.h 8.6 kB
kvm.c 52.6 kB
machine.c 13.9 kB
op_helper.c 165.5 kB
ops_sse.h 59.6 kB
ops_sse_header.h 11.7 kB
svm.h 5.7 kB
translate.c 256.5 kB

Latest revisions

# Date Author Comment
f7e80adf 12/11/2011 10:46 pm Andreas Gustafsson

target-i386: fix cmpxchg instruction emulation

When the i386 cmpxchg instruction is executed with a memory operand
and the comparison result is "unequal", do the memory write before
changing the accumulator instead of the other way around, because
otherwise the new accumulator value will incorrectly be used in the...
45009a30 11/29/2011 12:20 am Markus Armbruster

x86/cpuid: Tighten parsing of tsc_freq=FREQ

cpu_x86_find_by_name() uses strtosz_suffix_unit(), but screws up the
error checking. It detects some failures, but not all. Undetected
failures result in a zero tsc_khz value (error value -1 divided by
1000), which means "no tsc_freq set"....
a1fd24af 11/28/2011 04:42 pm Anthony Liguori

Revert "i386: derive '-cpu host' from KVM_GET_SUPPORTED_CPUID"

This reverts commit 66e3dd9282141b5ae75637c9676002cf3ceeb988.

From Avi,

"Anthony, I think we should revert that commit and refactor cpuid for
  1.1.  The logic is spread over too many places which makes it hard to...
1571b6cb 11/21/2011 10:36 pm Anthony Liguori

Merge remote-tracking branch 'origin/master' into staging
bc426899 11/19/2011 03:51 pm Blue Swirl

x86: fix pcmpestrm and pcmpistrm

Fix obvious typos (decrement and off-by-one error) in pcmpestrm and pcmpistrm
which resulted in infinite loop. Reported by Frank Mehnert,
spotted also by Coverity (bug 84752853).

Reported-by: Frank Mehnert <>...
12619721 11/17/2011 02:57 pm Vagrant Cascadian

Fix typo: runnning -> running

One n too many for running, need we say more.

Signed-Off-By: Vagrant Cascadian <>

Signed-off-by: Stefan Hajnoczi <>
d3c481b3 11/10/2011 02:29 pm Markus Armbruster

x86/cpuid: Convert remaining strdup() to g_strdup()

Fixes missing error checking.

Signed-off-by: Markus Armbruster <>
Signed-off-by: Stefan Hajnoczi <>
99e1dec0 11/10/2011 02:29 pm Markus Armbruster

x86/cpuid: Plug memory leak in cpudef_setfield()

To reproduce the leak, put two name options into the same [cpudef]
section of target-x86_64.conf.

Signed-off-by: Markus Armbruster <>
Signed-off-by: Stefan Hajnoczi <>
04c5b17a 11/10/2011 02:29 pm Markus Armbruster

x86/cpuid: Fix crash on -cpu ""

Spotted by Coverity.

Signed-off-by: Markus Armbruster <>
Signed-off-by: Stefan Hajnoczi <>
66e3dd92 11/09/2011 08:06 pm Avi Kivity

i386: derive '-cpu host' from KVM_GET_SUPPORTED_CPUID

The fact that a host cpu supports a feature doesn't mean that QEMU and KVM
will also support it, yet -cpuid host brings host features wholesale.

We need to whitelist each feature separately to make sure we support it....

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