Changeset 71699 in vbox

Timestamp:

Apr 6, 2018 10:45:31 AM (7 years ago)

Author:

vboxsync

Message:

SUPDrv,VBoxVMM: Require SSE2 to be present.

Location:

trunk/src/VBox

Files:

• HostDrivers/Support/SUPDrv.cpp (modified) (1 diff)
• VMM/VMMR3/VM.cpp (modified) (1 diff)

trunk/src/VBox/HostDrivers/Support/SUPDrv.cpp

@@ -514 +514 @@
 #endif
 
+#if (defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)) && !defined(VBOX_WITH_OLD_CPU_SUPPORT)
+    /*
+     * Require SSE2 to be present.
+     */
+    if (!(ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_SSE2))
+    {
+        SUPR0Printf("vboxdrv: Requires SSE2 (cpuid(0).EDX=%#x)\n", ASMCpuId_EDX(1));
+        return VERR_UNSUPPORTED_CPU;
+    }
+#endif
+
     /*
      * Initialize it.

trunk/src/VBox/VMM/VMMR3/VM.cpp

@@ -579 +579 @@
 static int vmR3CreateU(PUVM pUVM, uint32_t cCpus, PFNCFGMCONSTRUCTOR pfnCFGMConstructor, void *pvUserCFGM)
 {
+#if (defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)) && !defined(VBOX_WITH_OLD_CPU_SUPPORT)
+    /*
+     * Require SSE2 to be present (already checked for in supdrv, so we
+     * shouldn't ever really get here).
+     */
+    if (!(ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_SSE2))
+    {
+        LogRel(("vboxdrv: Requires SSE2 (cpuid(0).EDX=%#x)\n", ASMCpuId_EDX(1)));
+        return VERR_UNSUPPORTED_CPU;
+    }
+#endif
+
     /*
      * Load the VMMR0.r0 module so that we can call GVMMR0CreateVM.