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authorVladislav Yaroshchuk <yaroshchuk2000@gmail.com>2021-01-13 23:53:23 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2021-02-16 17:15:39 +0100
commit027ac0cb516cca4ce8a88dcca2f759c77e0e374b (patch)
treedee713b396e3d9bfcd0b6b8c869c79129ecc4fc5 /scripts/qapi/visit.py
parent45f918ccf6c35ee1912a8847873b7ba5b6927b46 (diff)
downloadfocaccia-qemu-027ac0cb516cca4ce8a88dcca2f759c77e0e374b.tar.gz
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target/i386/hvf: add rdmsr 35H MSR_CORE_THREAD_COUNT
Some guests (ex. Darwin-XNU) can attemp to read this MSR to retrieve and
validate CPU topology comparing it to ACPI MADT content

MSR description from Intel Manual:
35H: MSR_CORE_THREAD_COUNT: Configured State of Enabled Processor Core
  Count and Logical Processor Count

Bits 15:0 THREAD_COUNT The number of logical processors that are
  currently enabled in the physical package

Bits 31:16 Core_COUNT The number of processor cores that are currently
  enabled in the physical package

Bits 63:32 Reserved

Signed-off-by: Vladislav Yaroshchuk <yaroshchuk2000@gmail.com>
Message-Id: <20210113205323.33310-1-yaroshchuk2000@gmail.com>
[RB: reordered MSR definition and dropped u suffix from shift offset]
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'scripts/qapi/visit.py')
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