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20:t8fSB6zxOd6VEGdveBkSjJAbyraRjOCnj3qLfsXA5dPPs3x7U8b6toFTr6DYY/1iHdx8VsbnT//i9aQIrwEJdvFALYEhLKP4h5PCcEwSiN6WpsJEtb9jbx+jh/2a18btnauLtDY4jclPzck3Cpv86wk9lXtjtoW8X/AfSJOKjcIVYPesa7KLA/eRWWcHtxZwJ6L8ppl+4cgujRmMeM0BVAdCGsFB89G8AVVDApuQfMat4AGzcN6UIjsNODPocO1e X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2017 20:54:23.2393 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR12MB1615 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 104.47.38.87 Subject: [Qemu-devel] [RFC PATCH v4 18/20] target/i386: add cpuid Fn8000_001f X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas.Lendacky@amd.com, brijesh.singh@amd.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Fn8000_001f cpuid provides the memory encryption (aka C-bit) location in a page table for the SEV-enabled guest. Signed-off-by: Brijesh Singh --- target/i386/cpu.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index fba9212..44662eb 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -40,6 +40,7 @@ #include "qapi/visitor.h" #include "qom/qom-qobject.h" #include "sysemu/arch_init.h" +#include "sysemu/sev.h" #if defined(CONFIG_KVM) #include @@ -2966,6 +2967,11 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, *edx = 0; } break; + case 0x8000001F: + if (sev_enabled()) { + host_cpuid(index, 0, eax, ebx, ecx, edx); + } + break; case 0xC0000000: *eax = env->cpuid_xlevel2; *ebx = 0;