Changeset 10493 in vbox

Timestamp:

Jul 11, 2008 8:45:55 AM (17 years ago)

Author:

vboxsync

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

33172

Message:

Added .pgmassertcr3 debugger command.

File:

• trunk/src/VBox/VMM/PGM.cpp (modified) (8 diffs)

trunk/src/VBox/VMM/PGM.cpp

@@ -633 +633 @@
 static DECLCALLBACK(int) pgmR3CmdSync(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
 static DECLCALLBACK(int) pgmR3CmdSyncAlways(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
+static DECLCALLBACK(int) pgmR3CmdAssertCR3(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
 #endif
 
@@ -647 +648 @@
     { "pgmmap",     0,        0,        NULL,               0,                          NULL,               0,          pgmR3CmdMap,        "",                     "Display the mapping ranges." },
     { "pgmsync",    0,        0,        NULL,               0,                          NULL,               0,          pgmR3CmdSync,       "",                     "Sync the CR3 page." },
+    { "pgmassertcr3",  0,     0,        NULL,               0,                          NULL,               0,          pgmR3CmdAssertCR3,  "",                     "Check the shadow CR3 mapping." },
     { "pgmsyncalways", 0,     0,        NULL,               0,                          NULL,               0,          pgmR3CmdSyncAlways, "",                     "Toggle permanent CR3 syncing." },
 };
@@ -3885 +3887 @@
      */
     if (!pVM)
-        return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires VM to be selected.\n");
+        return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires a VM to be selected.\n");
     if (!pVM->pgm.s.pRamRangesGC)
         return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Sorry, no Ram is registered.\n");
@@ -3923 +3925 @@
      */
     if (!pVM)
-        return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires VM to be selected.\n");
+        return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires a VM to be selected.\n");
     if (!pVM->pgm.s.pMappingsR3)
         return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Sorry, no mappings are registered.\n");
@@ -3967 +3969 @@
      */
     if (!pVM)
-        return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires VM to be selected.\n");
+        return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires a VM to be selected.\n");
 
     /*
@@ -3983 +3985 @@
 
 /**
- * The '.pgmsyncalways' command.
+ * The '.pgmassertcr3' command.
  *
  * @returns VBox status.
@@ -3992 +3994 @@
  * @param   cArgs       Number of arguments in the array.
  */
+static DECLCALLBACK(int) pgmR3CmdAssertCR3(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
+{
+    /*
+     * Validate input.
+     */
+    if (!pVM)
+        return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires a VM to be selected.\n");
+
+    int rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Checking shadow CR3 page tables for consistency.\n");
+    if (VBOX_FAILURE(rc))
+        return rc;
+
+    PGMAssertCR3(pVM, CPUMGetGuestCR3(pVM), CPUMGetGuestCR4(pVM));
+
+    return VINF_SUCCESS;
+}
+
+
+/**
+ * The '.pgmsyncalways' command.
+ *
+ * @returns VBox status.
+ * @param   pCmd        Pointer to the command descriptor (as registered).
+ * @param   pCmdHlp     Pointer to command helper functions.
+ * @param   pVM         Pointer to the current VM (if any).
+ * @param   paArgs      Pointer to (readonly) array of arguments.
+ * @param   cArgs       Number of arguments in the array.
+ */
 static DECLCALLBACK(int) pgmR3CmdSyncAlways(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
 {
@@ -3998 +4028 @@
      */
     if (!pVM)
-        return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires VM to be selected.\n");
+        return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires a VM to be selected.\n");
 
     /*