From: Lei Xia <lxia@northwestern.edu>
Date: Mon, 16 Mar 2009 19:08:52 +0000 (-0500)
Subject: Add handle of write to command register
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=3394f4121b3d8258c2f83585d54452b63f91c7b1

Add handle of write to command register
---

diff --git a/palacios/src/devices/pci.c b/palacios/src/devices/pci.c
index 4b2566c..8170e6e 100644
--- a/palacios/src/devices/pci.c
+++ b/palacios/src/devices/pci.c
@@ -370,8 +370,16 @@ static int data_port_write(ushort_t port, void * src, uint_t length, struct vm_d
 		}
 	    } else if ((cur_reg >= 0x30) && (cur_reg < 0x34)) {
 		pci_dev->ext_rom_updated = 1;
-	    } else if ((cur_reg == 0x04) || (cur_reg == 0x05)) {
-		// COMMAND update
+	    } else if (cur_reg == 0x04) {
+	      // COMMAND update	     
+	      uint8_t command = *((uint8_t *)src + i);
+
+	      pci_dev->config_space[cur_reg] = command;	      
+
+	      if (pci_dev->cmd_update) {
+		pci_dev->cmd_update(pci_dev, (command & 0x01), (command & 0x02));
+	      }
+	      
 	    } else if (cur_reg == 0x0f) {
 		// BIST update
 	    }