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SN1PR12MB0672; 20:MyX/N+jMc+c3vN5YblEhD3S4/UHpYXXQNXm1P3bJcjlJb0pIMECeBQOIhXl2tu0Ai/a7h3DiNFKOvGOgj469Vrrp+PTGYkVcQd0Gg1FOvQW7BceYqNSvm14Yu6KH6kkqbxyYSaFydRmvaPqJQQ/dpc2bWr1gLoq0bOP4MeSCB2dtAKOUC/5AWmbqTArYx+VE27s+NP2cU1kpgmdUPlWz/4GexEtPGAT28AviIB8zlejU8P5eZjgAFt+iprZpiVL3 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Sep 2016 14:54:27.5513 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN1PR12MB0672 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 104.47.32.41 Subject: [Qemu-devel] [RFC PATCH v2 15/16] 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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Fn8000_001f cpuid provides the memory encryption (aka C-bit) Signed-off-by: Brijesh Singh --- target-i386/cpu.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 6a1afab..43e698b 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -22,6 +22,7 @@ #include "cpu.h" #include "exec/exec-all.h" #include "sysemu/kvm.h" +#include "sysemu/sev.h" #include "sysemu/cpus.h" #include "kvm_i386.h" @@ -2192,6 +2193,10 @@ static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp) char host_vendor[CPUID_VENDOR_SZ + 1]; FeatureWord w; + if (sev_enabled()) { + def->xlevel = MAX(0x8000001f, def->xlevel); + } + object_property_set_int(OBJECT(cpu), def->level, "level", errp); object_property_set_int(OBJECT(cpu), def->family, "family", errp); object_property_set_int(OBJECT(cpu), def->model, "model", errp); @@ -2625,6 +2630,11 @@ 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;