Changeset 26993 in vbox for trunk/src/VBox/VMM

Timestamp:

Mar 3, 2010 2:23:59 PM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

58300

Message:

VMM: implement some Nehalem MSRs

Location:

trunk/src/VBox/VMM/VMMAll

Files:

• CPUMAllRegs.cpp (modified) (2 diffs)
• EMAll.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/CPUMAllRegs.cpp

@@ -736 +736 @@
 {
     uint64_t u64 = 0;
+    uint8_t  u8Multiplier = 4;
 
     switch (idMsr)
@@ -790 +791 @@
             /** @todo: could really be not exactly correct, maybe use host's values */
             /* Keep consistent with helper_rdmsr() in REM */
-            u64 =     (1000ULL                /* TSC increment by tick */)
-                    | (((uint64_t)4ULL) << 40 /* CPU multiplier */       );
+            u64 =     (1000ULL                      /* TSC increment by tick */)
+                    | ((uint64_t)u8Multiplier << 40 /* CPU multiplier */       );
+            break;
+
+        case MSR_IA32_PLATFORM_INFO:
+            u64 =     ((u8Multiplier)<<8              /* Flex ratio max */)
+                    | ((uint64_t)u8Multiplier << 40   /* Flex ratio min */ );
             break;
 

trunk/src/VBox/VMM/VMMAll/EMAll.cpp

@@ -2843 +2843 @@
     case MSR_IA32_PERF_STATUS:
         return "MSR_IA32_PERF_STATUS";
+    case MSR_IA32_PLATFORM_INFO:
+        return "MSR_IA32_PLATFORM_INFO";
     case MSR_IA32_PERF_CTL:
         return "Unsupported MSR_IA32_PERF_CTL";
@@ -2952 +2954 @@
 
     case MSR_IA32_PERF_STATUS:
-        val = CPUMGetGuestMsr(pVCpu, MSR_IA32_PERF_STATUS);
+    case MSR_IA32_PLATFORM_INFO:
+        val = CPUMGetGuestMsr(pVCpu, pRegFrame->ecx);
         break;