Changeset 14879 in vbox for trunk/src/VBox

Timestamp:

Dec 1, 2008 5:15:41 PM (16 years ago)

Author:

vboxsync

Message:

Added a few VGA register dump debug helpers (see 'info help').

File:

• trunk/src/VBox/Devices/Graphics/DevVGA.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Graphics/DevVGA.cpp

@@ -4337 +4337 @@
 }
 
+/**
+ * Info handler, device version. Dumps VGA Sequencer registers.
+ *
+ * @param   pDevIns     Device instance which registered the info.
+ * @param   pHlp        Callback functions for doing output.
+ * @param   pszArgs     Argument string. Optional and specific to the handler.
+ */
+static DECLCALLBACK(void) vgaInfoSR(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
+{
+    PVGASTATE   s = PDMINS_2_DATA(pDevIns, PVGASTATE);
+    unsigned    i;
+
+    pHlp->pfnPrintf(pHlp, "VGA Sequencer (3C5): SR index 3C4:%02X\n", s->sr_index);
+    Assert(sizeof(s->sr) >= 8);
+    for (i = 0; i < 5; ++i)
+    {
+        pHlp->pfnPrintf(pHlp, " SR%02X:%02X", i, s->sr[i]);
+    }
+    pHlp->pfnPrintf(pHlp, "\n");
+}
+
+/**
+ * Info handler, device version. Dumps VGA CRTC registers.
+ *
+ * @param   pDevIns     Device instance which registered the info.
+ * @param   pHlp        Callback functions for doing output.
+ * @param   pszArgs     Argument string. Optional and specific to the handler.
+ */
+static DECLCALLBACK(void) vgaInfoCR(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
+{
+    PVGASTATE   s = PDMINS_2_DATA(pDevIns, PVGASTATE);
+    unsigned    i;
+
+    pHlp->pfnPrintf(pHlp, "VGA CRTC (3D5): CRTC index 3D4:%02X\n", s->cr_index);
+    Assert(sizeof(s->cr) >= 24);
+    for (i = 0; i < 10; ++i)
+    {
+        pHlp->pfnPrintf(pHlp, " CR%02X:%02X", i, s->cr[i]);
+    }
+    pHlp->pfnPrintf(pHlp, "\n");
+    for (i = 10; i < 20; ++i)
+    {
+        pHlp->pfnPrintf(pHlp, " CR%02X:%02X", i, s->cr[i]);
+    }
+    pHlp->pfnPrintf(pHlp, "\n");
+    for (i = 20; i < 25; ++i)
+    {
+        pHlp->pfnPrintf(pHlp, " CR%02X:%02X", i, s->cr[i]);
+    }
+    pHlp->pfnPrintf(pHlp, "\n");
+}
+
+/**
+ * Info handler, device version. Dumps VGA Sequencer registers.
+ *
+ * @param   pDevIns     Device instance which registered the info.
+ * @param   pHlp        Callback functions for doing output.
+ * @param   pszArgs     Argument string. Optional and specific to the handler.
+ */
+static DECLCALLBACK(void) vgaInfoAR(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
+{
+    PVGASTATE   s = PDMINS_2_DATA(pDevIns, PVGASTATE);
+    unsigned    i;
+
+    pHlp->pfnPrintf(pHlp, "VGA Attribute Controller (3C0): index reg %02X, flip-flop: %d (%s)\n",
+                    s->ar_index, s->ar_flip_flop, s->ar_flip_flop ? "data" : "index" );
+    Assert(sizeof(s->ar) >= 0x14);
+    pHlp->pfnPrintf(pHlp, " Palette:");
+    for (i = 0; i < 0x10; ++i)
+    {
+        pHlp->pfnPrintf(pHlp, " %02X", i, s->ar[i]);
+    }
+    pHlp->pfnPrintf(pHlp, "\n");
+    for (i = 0x10; i <= 0x14; ++i)
+    {
+        pHlp->pfnPrintf(pHlp, " AR%02X:%02X", i, s->ar[i]);
+    }
+    pHlp->pfnPrintf(pHlp, "\n");
+}
+
 
 /* -=-=-=-=-=- Ring 3: IBase -=-=-=-=-=- */
@@ -5784 +5864 @@
 
     /*
-     * Register debugger info callback.
+     * Register debugger info callbacks.
      */
     PDMDevHlpDBGFInfoRegister(pDevIns, "vgatext", "Display VGA memory formatted as text.", vgaInfoText);
+    PDMDevHlpDBGFInfoRegister(pDevIns, "vgacr", "Dump VGA CRTC registers.", vgaInfoCR);
+    PDMDevHlpDBGFInfoRegister(pDevIns, "vgasr", "Dump VGA Sequencer registers.", vgaInfoSR);
+    PDMDevHlpDBGFInfoRegister(pDevIns, "vgaar", "Dump VGA Attribute Controller registers.", vgaInfoAR);
 
     /*