Changeset 53430 in vbox for trunk/src/VBox/Runtime/common/time

Timestamp:

Dec 3, 2014 1:18:41 PM (10 years ago)

Author:

vboxsync

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

97118

Message:

VMM/TM: First step in introducing the invariant TM mode.

Location:

trunk/src/VBox/Runtime/common/time

Files:

• timesup.cpp (modified) (3 diffs)
• timesupA.mac (modified) (3 diffs)
• timesupref.h (modified) (1 diff)

trunk/src/VBox/Runtime/common/time/timesup.cpp

@@ -5 +5 @@
 
 /*
- * Copyright (C) 2006-2011 Oracle Corporation
+ * Copyright (C) 2006-2014 Oracle Corporation
  *
  * This file is part of VirtualBox Open Source Edition (OSE), as
@@ -124 +124 @@
     if (    pGip
         &&  pGip->u32Magic == SUPGLOBALINFOPAGE_MAGIC
-        &&  (   pGip->u32Mode == SUPGIPMODE_SYNC_TSC
+        &&  (   pGip->u32Mode == SUPGIPMODE_INVARIANT_TSC
+             || pGip->u32Mode == SUPGIPMODE_SYNC_TSC
              || pGip->u32Mode == SUPGIPMODE_ASYNC_TSC))
         return rtTimeNanoTSInternalRediscover(pData);
@@ -146 +147 @@
     if (    pGip
         &&  pGip->u32Magic == SUPGLOBALINFOPAGE_MAGIC
-        &&  (   pGip->u32Mode == SUPGIPMODE_SYNC_TSC
+        &&  (   pGip->u32Mode == SUPGIPMODE_INVARIANT_TSC
+             || pGip->u32Mode == SUPGIPMODE_SYNC_TSC
              || pGip->u32Mode == SUPGIPMODE_ASYNC_TSC))
     {
         if (ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_SSE2)
-            iWorker = pGip->u32Mode == SUPGIPMODE_SYNC_TSC
+            iWorker = pGip->u32Mode == SUPGIPMODE_INVARIANT_TSC || pGip->u32Mode == SUPGIPMODE_SYNC_TSC
                     ? RTTIMENANO_WORKER_SYNC_LFENCE
                     : RTTIMENANO_WORKER_ASYNC_LFENCE;
         else
-            iWorker = pGip->u32Mode == SUPGIPMODE_SYNC_TSC
+            iWorker = pGip->u32Mode == SUPGIPMODE_INVARIANT_TSC || pGip->u32Mode == SUPGIPMODE_SYNC_TSC
                     ? RTTIMENANO_WORKER_SYNC_CPUID
                     : RTTIMENANO_WORKER_ASYNC_CPUID;

trunk/src/VBox/Runtime/common/time/timesupA.mac

@@ -5 +5 @@
 
 ;
-; Copyright (C) 2006-2011 Oracle Corporation
+; Copyright (C) 2006-2014 Oracle Corporation
 ;
 ; This file is part of VirtualBox Open Source Edition (OSE), as
@@ -126 +126 @@
     mov     u32UpdateIntervalTSC, edx
     rdtsc
+    SupTscDeltaApply edi        ; Apply inter-cpu TSC-delta to have the normalized TSC value in edx:eax
     mov     ecx, [edi + SUPGIPCPU.u64NanoTS]
     mov     u64CurNanoTS, ecx
@@ -544 +545 @@
     mov     u32UpdateIntervalTSC, [pGipCPU + SUPGIPCPU.u32UpdateIntervalTSC]
     rdtsc
+    SUPTscDeltaApply pGipCPU
     mov     u64PrevNanoTS,        [pData + RTTIMENANOTSDATA.pu64Prev]
     mov     u64PrevNanoTS,        [u64PrevNanoTS]

trunk/src/VBox/Runtime/common/time/timesupref.h

@@ -5 +5 @@
 
 /*
- * Copyright (C) 2006-2011 Oracle Corporation
+ * Copyright (C) 2006-2014 Oracle Corporation
  *
  * This file is part of VirtualBox Open Source Edition (OSE), as