Changeset 34750 in vbox for trunk/src/VBox/Devices/Bus

Timestamp:

Dec 6, 2010 2:20:13 PM (14 years ago)

Author:

vboxsync

Message:

PCI: Added pciirq dbg info command for old chipset.

File:

• trunk/src/VBox/Devices/Bus/DevPCI.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Bus/DevPCI.cpp

@@ -1962 +1962 @@
 
 /**
+ * Info handler, device version.
+ *
+ * @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) pciIrqInfo(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
+{
+    PPCIGLOBALS pGlobals = PDMINS_2_DATA(pDevIns, PPCIGLOBALS);
+    PPCIBUS     pBus = DEVINS_2_PCIBUS(pDevIns);
+    uint16_t    router;
+    uint8_t     irq_map;
+    int         i;
+
+    router = pGlobals->PIIX3State.dev.devfn;
+    pHlp->pfnPrintf(pHlp, "PCI interrupt router at: %02X:%02X:%X\n",
+                    router >> 8, (router >> 3) & 0x1f, router & 0x7);
+
+    for (i = 0; i < 4; ++i)
+    {
+        irq_map = pci_config_readb(pGlobals, 0, router, 0x60 + i);
+        if (irq_map & 0x80)
+            pHlp->pfnPrintf(pHlp, "PIRQ%c disabled\n", 'A' + i);
+        else
+            pHlp->pfnPrintf(pHlp, "PIRQ%c -> IRQ%d\n", 'A' + i, irq_map & f);
+    }
+}
+
+/**
  * @copydoc FNPDMDEVRELOCATE
  */
@@ -2133 +2162 @@
     if (RT_FAILURE(rc))
         return rc;
+
+    PDMDevHlpDBGFInfoRegister(pDevIns, "pciirq", "Display PCI IRQ routing state. (no arguments)", pciIrqInfo);
 
     return VINF_SUCCESS;