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i386: Add new property to control cache info

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The property legacy-cache will be used to control the cache information.
If user passes "-cpu legacy-cache" then older information will
be displayed even if the hardware supports new information. Otherwise
use the statically loaded cache definitions if available.

Renamed the previous cache structures to legacy_*. If there is any change in
the cache information, then it needs to be initialized in builtin_x86_defs.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Tested-by: Geoffrey McRae <geoff@hostfission.com>
Message-Id: <20180514164156.27034-3-babu.moger@amd.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Babu Moger 2018-05-14 11:41:51 -05:00 • committed by Eduardo Habkost
parent 968ee4ad25
commit ab8f992e3e
3 changed files with 81 additions and 26 deletions
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5
target/i386/cpu.h
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@ -1399,6 +1399,11 @@ struct X86CPU {
*/
bool enable_l3_cache;
/* Compatibility bits for old machine types.
* If true present the old cache topology information
*/
bool legacy_cache;
/* Compatibility bits for old machine types: */
bool enable_cpuid_0xb;