diff --git a/emulation/Makefile b/emulation/Makefile
index 23a61df..7739329 100644
--- a/emulation/Makefile
+++ b/emulation/Makefile
@@ -1,4 +1,4 @@
-SRCS = usbip-server.c usb-emu.c
+SRCS = usbip-server.c usb-emu.c glue.c
 OBJS = $(SRCS:.c=.o)
 TARGET=gnuk_emulation
 GNUKDIR=../src
diff --git a/emulation/glue.c b/emulation/glue.c
new file mode 100644
index 0000000..91c513b
--- /dev/null
+++ b/emulation/glue.c
@@ -0,0 +1,54 @@
+#include <stdint.h>
+
+uint8_t _regnual_start;
+uint8_t __heap_end__;
+
+int
+check_crc32 (const uint32_t *start_p, const uint32_t *end_p)
+{
+  return 0;
+}
+
+uint8_t *
+sram_address (uint32_t offset)
+{
+  return ((uint8_t *)0x20000000) + offset;
+}
+
+const uint8_t sys_version[8] = {
+  3*2+2,	     /* bLength */
+  0x03,		     /* bDescriptorType = USB_STRING_DESCRIPTOR_TYPE */
+  /* sys version: "3.0" */
+  '3', 0, '.', 0, '0', 0,
+};
+
+void
+led_blink (int spec)
+{
+}
+
+void
+ccid_usb_reset (int full)
+{
+}
+
+void
+ccid_card_change_signal (int how)
+{
+}
+
+enum ccid_state {
+  CCID_STATE_NOCARD,		/* No card available */
+  CCID_STATE_START,		/* Initial */
+  CCID_STATE_WAIT,		/* Waiting APDU */
+				/* Busy1, Busy2, Busy3, Busy5 */
+  CCID_STATE_EXECUTE,		/* Busy4 */
+  CCID_STATE_RECEIVE,		/* APDU Received Partially */
+  CCID_STATE_SEND,		/* APDU Sent Partially */
+
+  CCID_STATE_EXITED,		/* ICC Thread Terminated */
+  CCID_STATE_EXEC_REQUESTED,	/* Exec requested */
+};
+
+static enum ccid_state ccid_state;
+enum ccid_state *const ccid_state_p = &ccid_state;
diff --git a/emulation/usbip-server.c b/emulation/usbip-server.c
index 2e179c9..e69e93d 100644
--- a/emulation/usbip-server.c
+++ b/emulation/usbip-server.c
@@ -34,8 +34,8 @@
 
 #define USBIP_PORT 3240
 
-#define CMD_REQ_LIST   0x01008005
-#define CMD_REQ_ATTACH 0x01008003
+#define CMD_REQ_LIST   0x01118005
+#define CMD_REQ_ATTACH 0x01118003
 #define CMD_URB        0x00000001
 #define CMD_DETACH     0x00000002
 
@@ -44,11 +44,70 @@ struct usbip_msg_head {
   uint32_t seq;
 };
 
+#define USBIP_REPLY_HEADER_SIZE 12
+#define DEVICE_INFO_SIZE        (256+32+12+6+6)
+#define INTERFACE_INFO_SIZE     4
+#define DEVICE_LIST_SIZE        (USBIP_REPLY_HEADER_SIZE+DEVICE_INFO_SIZE*1+INTERFACE_INFO_SIZE*1)
+
+#define USBIP_REPLY_DEVICE_LIST "\x01\x11\x00\x05"
+#define NETWORK_UINT32_ZERO     "\x00\x00\x00\x00"
+#define NETWORK_UINT32_ONE      "\x00\x00\x00\x01"
+#define NETWORK_UINT32_TWO      "\x00\x00\x00\x02"
+#define NETWORK_UINT16_FSIJ      "\x23\x4b"
+#define NETWORK_UINT16_ZERO      "\x00\x00"
+#define NETWORK_UINT16_ONE_ONE   "\x01\x01"
+
 static char *
 list_devices (size_t *len_p)
 {
+  char *p0, *p;
+
   *len_p = 0;
-  return NULL;
+  p0 = malloc (DEVICE_LIST_SIZE);
+  if (p0 == NULL)
+    return NULL;
+
+  *len_p = DEVICE_LIST_SIZE;
+
+  p = p0;
+  memcpy (p, USBIP_REPLY_DEVICE_LIST, 4);
+  p += 4;
+  memcpy (p, NETWORK_UINT32_ZERO, 4);
+  p += 4;
+  memcpy (p, NETWORK_UINT32_ONE, 4);
+  p += 4;
+  memset (p, 0, 256);
+  strcpy (p, "/sys/devices/pci0000:00/0000:00:01.1/usb1/1-1");
+  p += 256;
+  memset (p, 0, 32);
+  strcpy (p, "1-1");
+  p += 32;
+  memcpy (p, NETWORK_UINT32_ONE, 4); /* Bus */
+  p += 4;
+  memcpy (p, NETWORK_UINT32_TWO, 4); /* Dev */
+  p += 4;
+  memcpy (p, NETWORK_UINT32_ONE, 4); /* Speed */
+  p += 4;
+  memcpy (p, NETWORK_UINT16_FSIJ, 2);
+  p += 2;
+  memcpy (p, NETWORK_UINT16_ZERO, 2); /* Gnuk */
+  p += 2;
+  memcpy (p, NETWORK_UINT16_ONE_ONE, 2); /* USB 1.1 */
+  p += 2;
+
+  *p++ = 0; /* bDeviceClass        */
+  *p++ = 0; /* bDeviceSubClass     */
+  *p++ = 0; /* bDeviceProtocol     */
+  *p++ = 0; /* bConfigurationValue */
+  *p++ = 1; /* bConfigurationValue */
+  *p++ = 1; /* bNumInterfaces      */
+
+  *p++ = 11; /* bInterfaceClass    */
+  *p++ = 0;  /* bInterfaceSubClass */
+  *p++ = 0;  /* bInterfaceProtocol */
+  *p++ = 0;  /* ----pad----------- */
+
+  return p0;
 }
 
 static char *
@@ -65,8 +124,7 @@ handle_urb (int fd)
 }
 
 
-
-void
+static void
 run_server (void)
 {
   int sock;
@@ -202,7 +260,7 @@ run_server (void)
 	    }
 	  else
 	    {
-	      fprintf (stderr, "Unknown command %x, disconnecting.\n", msg.cmd);
+	      fprintf (stderr, "Unknown command %08x, disconnecting.\n", msg.cmd);
 	      break;
 	    }
 	}
@@ -210,3 +268,11 @@ run_server (void)
        close (fd);
     }
 }
+
+
+int
+main (int argc, const char *argv[])
+{
+  run_server ();
+  return 0;
+}