Changeset 86246 in vbox

Timestamp:

Sep 23, 2020 4:28:45 PM (4 years ago)

Author:

vboxsync

Message:

Debugger/DBGCRemoteKd: Implement switch current processor request

File:

• trunk/src/VBox/Debugger/DBGCRemoteKd.cpp (modified) (5 diffs)

trunk/src/VBox/Debugger/DBGCRemoteKd.cpp

@@ -1113 +1113 @@
 /** Cause a bugcheck request. */
 #define KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK             UINT32_C(0x00003149)
+/** Cause a bugcheck request. */
+#define KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR           UINT32_C(0x00003150)
 /** @todo */
 /** Search memory for a pattern request. */
@@ -1312 +1314 @@
         case KD_PACKET_MANIPULATE_REQ_QUERY_MEMORY:             return "QueryMemory";
         case KD_PACKET_MANIPULATE_REQ_CAUSE_BUGCHECK:           return "CauseBugCheck";
+        case KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR:         return "SwitchProcessor";
         case KD_PACKET_MANIPULATE_REQ_SEARCH_MEMORY:            return "SearchMemory";
         default:                                                break;
@@ -1463 +1466 @@
                 break;
             }
+            case KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR:
             default:
                 break;
@@ -3404 +3408 @@
 
 /**
+ * Processes a switch processor request.
+ *
+ * @returns VBox status code.
+ * @param   pThis               The KD context.
+ * @param   pPktManip           The manipulate packet request.
+ */
+static int dbgcKdCtxPktManipulate64SwitchProcessor(PKDCTX pThis, PCKDPACKETMANIPULATE64 pPktManip)
+{
+    int rc = VINF_SUCCESS;
+
+    if (RT_UNLIKELY(pPktManip->Hdr.idCpu >= DBGFR3CpuGetCount(pThis->Dbgc.pUVM)))
+    {
+        KDPACKETMANIPULATEHDR RespHdr;
+        RT_ZERO(RespHdr);
+
+        RespHdr.idReq       = KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR;
+        RespHdr.u16CpuLvl   = pPktManip->Hdr.u16CpuLvl;
+        RespHdr.idCpu       = pPktManip->Hdr.idCpu;
+        RespHdr.u32NtStatus = NTSTATUS_UNSUCCESSFUL; /** @todo Test this path. */
+        rc = dbgcKdCtxPktSend(pThis, KD_PACKET_HDR_SIGNATURE_DATA, KD_PACKET_HDR_SUB_TYPE_STATE_MANIPULATE,
+                              &RespHdr, sizeof(RespHdr), true /*fAck*/);
+    }
+    else
+    {
+        pThis->Dbgc.idCpu = pPktManip->Hdr.idCpu;
+        rc = dbgcKdCtxStateChangeSend(pThis, DBGFEVENT_HALT_DONE);
+    }
+
+    return rc;
+}
+
+
+/**
  * Processes a manipulate packet.
  *
@@ -3489 +3526 @@
         {
             rc = dbgcKdCtxPktManipulate64CauseBugCheck(pThis, pPktManip);
+            break;
+        }
+        case KD_PACKET_MANIPULATE_REQ_SWITCH_PROCESSOR:
+        {
+            rc = dbgcKdCtxPktManipulate64SwitchProcessor(pThis, pPktManip);
             break;
         }