Changeset 28030 in vbox for trunk/src

Timestamp:

Apr 7, 2010 7:53:12 AM (15 years ago)

Author:

vboxsync

Message:

VMM: SpeedStep and relatives MSRs

Location:

trunk/src

Files:

• VBox/VMM/VMMAll/CPUMAllRegs.cpp (modified) (2 diffs)
• VBox/VMM/VMMAll/EMAll.cpp (modified) (1 diff)
• recompiler/target-i386/op_helper.c (modified) (1 diff)

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

@@ -792 +792 @@
             /* Keep consistent with helper_rdmsr() in REM */
             u64 =     (1000ULL                      /* TSC increment by tick */)
-                    | ((uint64_t)u8Multiplier << 40 /* CPU multiplier */       );
+                    | ((uint64_t)u8Multiplier << 24 /* CPU multiplier (aka bus ratio) min */       )
+                    | ((uint64_t)u8Multiplier << 40 /* CPU multiplier (aka bus ratio) max */       );
+            break;
+
+        case  MSR_IA32_FSB_CLOCK_STS:
+            /**
+             * Encoded as:
+             * 0 - 266
+             * 1 - 133
+             * 2 - 200
+             * 3 - return 166
+             * 5 - return 100
+             */
+            u64 = (2 << 4);
             break;
 
@@ -798 +811 @@
             u64 =     ((u8Multiplier)<<8              /* Flex ratio max */)
                     | ((uint64_t)u8Multiplier << 40   /* Flex ratio min */ );
+            break;
+
+        case MSR_IA32_THERM_STATUS:
+            /* CPU temperature reltive to TCC, to actually activate, CPUID leaf 6 EAX[0] must be set */
+            u64 = (1 << 31) /* validity bit */ |
+                  (20 << 16) /* degrees till TCC */;
             break;
 

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

@@ -2995 +2995 @@
     case MSR_IA32_PLATFORM_INFO:
     case MSR_IA32_MISC_ENABLE:
+    case MSR_IA32_FSB_CLOCK_STS:
+    case MSR_IA32_THERM_STATUS:
         val = CPUMGetGuestMsr(pVCpu, pRegFrame->ecx);
         break;

trunk/src/recompiler/target-i386/op_helper.c

@@ -3856 +3856 @@
     case MSR_IA32_PERF_STATUS:
     case MSR_IA32_PLATFORM_INFO:
+    case MSR_IA32_FSB_CLOCK_STS:
+    case MSR_IA32_THERM_STATUS:
         val = CPUMGetGuestMsr(env->pVCpu, (uint32_t)ECX);
         break;