From 98cb20b04a9cd9f0e288375b66e64f26aa622aec Mon Sep 17 00:00:00 2001
From: sshwarts <sshwarts>
Date: Fri, 31 Oct 2008 18:07:15 +0000
Subject: Merge [ 2210194 ] Log pci class code patch

---
 bios/rombios32.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

(limited to 'bios')

diff --git a/bios/rombios32.c b/bios/rombios32.c
index 3410f3e7..a0802b54 100644
--- a/bios/rombios32.c
+++ b/bios/rombios32.c
@@ -756,10 +756,10 @@ static void pci_bios_init_device(PCIDevice *d)
     class = pci_config_readw(d, PCI_CLASS_DEVICE);
     vendor_id = pci_config_readw(d, PCI_VENDOR_ID);
     device_id = pci_config_readw(d, PCI_DEVICE_ID);
-    BX_INFO("PCI: bus=%d devfn=0x%02x: vendor_id=0x%04x device_id=0x%04x\n",
-            d->bus, d->devfn, vendor_id, device_id);
+    BX_INFO("PCI: bus=%d devfn=0x%02x: vendor_id=0x%04x device_id=0x%04x class=0x%04x\n",
+            d->bus, d->devfn, vendor_id, device_id, class);
     switch(class) {
-    case 0x0101:
+    case 0x0101: /* Mass storage controller - IDE interface */
         if (vendor_id == PCI_VENDOR_ID_INTEL &&
            (device_id == PCI_DEVICE_ID_INTEL_82371SB_1 ||
             device_id == PCI_DEVICE_ID_INTEL_82371AB)) {
@@ -775,14 +775,13 @@ static void pci_bios_init_device(PCIDevice *d)
             pci_set_io_region_addr(d, 3, 0x374);
         }
         break;
-    case 0x0300:
+    case 0x0300: /* Display controller - VGA compatible controller */
         if (vendor_id != 0x1234)
             goto default_map;
         /* VGA: map frame buffer to default Bochs VBE address */
         pci_set_io_region_addr(d, 0, 0xE0000000);
         break;
-    case 0x0800:
-        /* PIC */
+    case 0x0800: /* Generic system peripheral - PIC */
         if (vendor_id == PCI_VENDOR_ID_IBM) {
             /* IBM */
             if (device_id == 0x0046 || device_id == 0xFFFF) {
-- 
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