--- tme/ic/i825x6.c	2018/04/24 16:43:37	1.1.1.3
+++ tme/ic/i825x6.c	2018/04/24 16:45:31	1.1.1.4
@@ -1,4 +1,4 @@
-/* $Id: i825x6.c,v 1.1.1.3 2018/04/24 16:43:37 root Exp $ */
+/* $Id: i825x6.c,v 1.1.1.4 2018/04/24 16:45:31 root Exp $ */
 
 /* ic/i825x6.c - implementation of the Intel 825x6 emulation: */
 
@@ -34,7 +34,7 @@
  */
 
 #include <tme/common.h>
-_TME_RCSID("$Id: i825x6.c,v 1.1.1.3 2018/04/24 16:43:37 root Exp $");
+_TME_RCSID("$Id: i825x6.c,v 1.1.1.4 2018/04/24 16:45:31 root Exp $");
 
 /* XXX FIXME - TLB usage here is not thread-safe: */
 
@@ -119,6 +119,10 @@ do {					\
 #define  TME_I825X6_CALLOUT_CA		TME_BIT(5)
 #define  TME_I825X6_CALLOUT_CU		TME_BIT(6)
 
+#if 1
+extern int printf(const char *format, ...);
+#endif
+
 /* structures: */
 
 /* an rx buffer: */
@@ -261,6 +265,10 @@ _tme_i825x6_reset(struct tme_i825x6 *i82
   if (i825x6->tme_i825x6_stat_cus_rus_t
       & TME_I825X6_SCB_STAT_MASK) {
     i825x6->tme_i825x6_stat_cus_rus_t &= ~TME_I825X6_SCB_STAT_MASK;
+#if 1
+printf("_tme_i825x6_reset() CALLOUT_INT\n");
+#endif
+
     i825x6->tme_i825x6_callout_flags |= TME_I825X6_CALLOUT_INT;
   }
 
@@ -697,6 +705,10 @@ _tme_i825x6_chunks_dma_tx(struct tme_i82
   tme_uint32_t count;
   int rc;
 
+#if 1
+  printf("_tme_i825x6_chunks_dma_tx; xmit %d\n", size);
+#endif
+
   /* while we have bytes left to DMA: */
   for (; size > 0; ) {
     
@@ -777,6 +789,9 @@ _tme_i825x6_callout_ca(struct tme_i825x6
   tme_uint16_t rbd_offset_first;
   int rc;
 
+#if 1
+printf("_tme_i825x6_callout_ca()\n");
+#endif
   /* if this CA follows RESET: */
   if (i825x6->tme_i825x6_ca_follows_reset) {
     
@@ -817,6 +832,9 @@ _tme_i825x6_callout_ca(struct tme_i825x6
 	 | TME_I825X6_SCB_RUS_IDLE);
     
     /* "The 82596 ... sends an interrupt to the CPU": */
+#if 1
+printf("_tme_i825x6_callout_ca() CALLOUT_INT\n");
+#endif
     i825x6->tme_i825x6_callout_flags = TME_I825X6_CALLOUTS_RUNNING | TME_I825X6_CALLOUT_INT;
   }
 
@@ -1472,6 +1490,9 @@ _tme_i825x6_callout_ru(struct tme_i825x6
 			+ TME_I825X6_RFD_C_B_OK_STATUS),
 		       c_b_ok_status);
     
+#if 1
+    printf("_tme_i825x6_callout_ru() signal int\n");
+#endif
     /* signal an interrupt: */
     stat_cus_rus_t |= TME_I825X6_SCB_STAT_FR;
 
@@ -1619,6 +1640,9 @@ _tme_i825x6_callout(struct tme_i825x6 *i
       /* unlock the mutex: */
       tme_mutex_unlock(&i825x6->tme_i825x6_mutex);
       
+#if 1
+      printf("_tme_i825x6_callout; \n");
+#endif
       /* do the callout: */
       rc = (conn_eth != NULL
 	    ? ((*conn_eth->tme_ethernet_connection_ctrl)
@@ -1729,6 +1753,9 @@ _tme_i825x6_callout(struct tme_i825x6 *i
 	  & TME_I825X6_SCB_STAT_MASK)
 	!= !(stat_cus_rus_t
 	     & TME_I825X6_SCB_STAT_MASK)) {
+#if 1
+printf("_tme_i825x6_callout() CALLOUT_INT\n");
+#endif
       i825x6->tme_i825x6_callout_flags |= TME_I825X6_CALLOUT_INT;
     }
 
@@ -1763,6 +1790,9 @@ _tme_i825x6_callout(struct tme_i825x6 *i
 						i825x6->tme_i825x6_device.tme_bus_device_connection,
 						&i825x6->tme_i825x6_device.tme_bus_device_connection_rwlock);
       
+#if 1
+      printf("_tme_i825x6_callout; signal int - asserted %x\n", (int)int_asserted);
+#endif
       /* call out the bus interrupt signal edge: */
       rc = (*conn_bus->tme_bus_signal)
 	(conn_bus,
@@ -1777,6 +1807,9 @@ _tme_i825x6_callout(struct tme_i825x6 *i
       /* if this callout failed, remember that at some later time this
 	 callout should be attempted again: */
       if (rc != TME_OK) {
+#if 1
+printf("_tme_i825x6_callout() later CALLOUT_INT\n");
+#endif
 	later_callouts |= TME_I825X6_CALLOUT_INT;
       }
     }
@@ -1808,6 +1841,11 @@ _tme_i825x6_signal(void *_i825x6,
   level = signal & TME_BUS_SIGNAL_LEVEL_MASK;
   signal = TME_BUS_SIGNAL_WHICH(signal);
 
+#if 1
+  printf("_tme_i825x6_signal() level %x, signal %x; switch index %x\n",
+	 (int)level, (int)signal,
+	 (int)(signal - i825x6->tme_i825x6_bus_signals.tme_bus_signals_first));
+#endif
   /* dispatch on the generic bus signals: */
   switch (signal) {
   case TME_BUS_SIGNAL_RESET:
@@ -1826,6 +1864,14 @@ _tme_i825x6_signal(void *_i825x6,
     case TME_I825X6_SIGNAL_CA:
       if (level == TME_BUS_SIGNAL_LEVEL_ASSERTED) {
 	new_callouts |= TME_I825X6_CALLOUT_CA;
+      } else {
+#if 1
+	      printf("TME_I825X6_SIGNAL_CA; deasserted!!!!\n");
+#endif
+#if 1
+	      i825x6->tme_i825x6_stat_cus_rus_t &= ~TME_I825X6_SCB_STAT_MASK;
+	      new_callouts |= TME_I825X6_CALLOUT_INT;
+#endif
       }
       break;
 
@@ -1937,6 +1983,10 @@ _tme_i825x6_read(struct tme_ethernet_con
        & TME_I825X6_CB_CMD_MASK)
       == TME_I825X6_CB_CMD_TRANSMIT) {
 
+#if 1
+	  printf("_tme_i825x6_read; xmit\n");
+#endif
+
     /* assume that we will succeed: */
     err = TME_OK;
     do {