Re: NetBSD 5.1 RC1 wm0 with Xen 4.0.0

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

> Or fix qemu?

Well, this one would be better per Microwire spec:

--- qemu-0.12.3/hw/e1000.c.orig 2010-02-24 05:54:38.000000000 +0900
+++ qemu-0.12.3/hw/e1000.c      2010-05-08 04:04:39.000000000 +0900
@@ -259,21 +259,20 @@
 
     s->eecd_state.old_eecd = val & (E1000_EECD_SK | E1000_EECD_CS |
             E1000_EECD_DI|E1000_EECD_FWE_MASK|E1000_EECD_REQ);
+    if (!(E1000_EECD_CS & val))                        // CS inactive; nothing 
to do
+       return;
+    if (E1000_EECD_CS & (val ^ oldval)) {      // CS rise edge; reset state
+       s->eecd_state.val_in = 0;
+       s->eecd_state.bitnum_in = 0;
+       s->eecd_state.bitnum_out = 0;
+       s->eecd_state.reading = 0;
+    }
     if (!(E1000_EECD_SK & (val ^ oldval)))     // no clock edge
         return;
     if (!(E1000_EECD_SK & val)) {              // falling edge
         s->eecd_state.bitnum_out++;
         return;
     }
-    if (!(val & E1000_EECD_CS)) {              // rising, no CS (EEPROM reset)
-        memset(&s->eecd_state, 0, sizeof s->eecd_state);
-        /*
-         * restore old_eecd's E1000_EECD_SK (known to be on)
-         * to avoid false detection of a clock edge
-         */
-        s->eecd_state.old_eecd = E1000_EECD_SK;
-        return;
-    }
     s->eecd_state.val_in <<= 1;
     if (val & E1000_EECD_DI)
         s->eecd_state.val_in |= 1;


---
Izumi Tsutsui