| commit | 6cb8f2a663a47c6e0da17fc4fb9e06abfda2bd48 | |
| author | Brijesh Singh <brijesh.singh@amd.com> | |
| Thu, 8 Mar 2018 12:48:58 +0000 (8 06:48 -0600) | ||
| committer | Paolo Bonzini <pbonzini@redhat.com> | |
| Tue, 13 Mar 2018 16:36:05 +0000 (13 17:36 +0100) | ||
| tree | 3c48a2d039a0fc134316020b9b94d9cb212cab8e | treesnapshot (tar.gz zip) |
| parent | 8fa4466d77b44f4f58f3836601f31ca5e401485d | commitdiff |
cpu/i386: populate CPUID 0x8000_001F when SEV is active
When SEV is enabled, CPUID 0x8000_001F should provide additional
information regarding the feature (such as which page table bit is used
to mark the pages as encrypted etc).
The details for memory encryption CPUID is available in AMD APM
(https://support.amd.com/TechDocs/24594.pdf) Section E.4.17
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When SEV is enabled, CPUID 0x8000_001F should provide additional
information regarding the feature (such as which page table bit is used
to mark the pages as encrypted etc).
The details for memory encryption CPUID is available in AMD APM
(https://support.amd.com/TechDocs/24594.pdf) Section E.4.17
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| target/i386/cpu.c | diffblobblamehistory |