Changeset 84706 in vbox

Timestamp:

Jun 5, 2020 6:11:25 PM (5 years ago)

Author:

vboxsync

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

138480

Message:

VMM/DBGF: Add DBGFR3GetCpuState() to return the current CPU state as a human readable string

Location:

trunk

Files:

• include/VBox/vmm/dbgf.h (modified) (1 diff)
• src/VBox/VMM/VMMR3/DBGFCpu.cpp (modified) (1 diff)
• src/VBox/VMM/VMMR3/VMMR3.def (modified) (1 diff)

trunk/include/VBox/vmm/dbgf.h

@@ -932 +932 @@
 VMMR3DECL(bool)             DBGFR3CpuIsIn64BitCode(PUVM pUVM, VMCPUID idCpu);
 VMMR3DECL(bool)             DBGFR3CpuIsInV86Code(PUVM pUVM, VMCPUID idCpu);
+VMMR3DECL(const char *)     DBGFR3CpuGetState(PUVM pUVM, VMCPUID idCpu);
 #endif
 

trunk/src/VBox/VMM/VMMR3/DBGFCpu.cpp

@@ -162 +162 @@
 }
 
+
+/**
+ * Returns the state of the given CPU as a human readable string.
+ *
+ * @returns Pointer to the human readable CPU state string.
+ * @param   pUVM        The user mode VM handle.
+ * @param   idCpu       The target CPU ID.
+ */
+VMMR3DECL(const char *) DBGFR3CpuGetState(PUVM pUVM, VMCPUID idCpu)
+{
+    UVM_ASSERT_VALID_EXT_RETURN(pUVM, NULL);
+    VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, NULL);
+    AssertReturn(idCpu < pUVM->pVM->cCpus, NULL);
+
+    PVMCPU pVCpu = VMMGetCpuById(pUVM->pVM, idCpu);
+    VMCPUSTATE enmCpuState;
+    ASMAtomicReadSize(&pVCpu->enmState, &enmCpuState);
+
+    switch (enmCpuState)
+    {
+        case VMCPUSTATE_INVALID:                   return "<INVALID>";
+        case VMCPUSTATE_STOPPED:                   return "Stopped";
+        case VMCPUSTATE_STARTED:                   return "Started";
+        case VMCPUSTATE_STARTED_HM:                return "Started (HM)";
+        case VMCPUSTATE_STARTED_EXEC:              return "Started (Exec)";
+        case VMCPUSTATE_STARTED_EXEC_NEM:          return "Started (Exec NEM)";
+        case VMCPUSTATE_STARTED_EXEC_NEM_WAIT:     return "Started (Exec NEM Wait)";
+        case VMCPUSTATE_STARTED_EXEC_NEM_CANCELED: return "Started (Exec NEM Canceled)";
+        case VMCPUSTATE_STARTED_HALTED:            return "Started (Halted)";
+        case VMCPUSTATE_END:                       return "END";
+        default:
+            AssertMsgFailedReturn(("Unknown CPU state %u\n", enmCpuState), "<UNKNOWN>");
+    }
+
+    /* This indicates a compiler bug. */
+    return NULL;
+}
+

trunk/src/VBox/VMM/VMMR3/VMMR3.def

@@ -137 +137 @@
     DBGFR3AsGetConfig
     DBGFR3CpuGetMode
+    DBGFR3CpuGetState
     DBGFR3AddrFromSelOff
     DBGFR3FlowCreate