[Qemu-devel] [4182] Implement break for the pl011, based on a patch from Jason Wessel.

[Aurelien Jarno]

Revision: 4182
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4182
Author:   aurel32
Date:     2008-04-08 19:51:43 +0000 (Tue, 08 Apr 2008)

Log Message:
-----------
Implement break for the pl011, based on a patch from Jason Wessel.

Modified Paths:
--------------
    trunk/hw/pl011.c

Modified: trunk/hw/pl011.c
===================================================================
--- trunk/hw/pl011.c    2008-04-08 19:51:36 UTC (rev 4181)
+++ trunk/hw/pl011.c    2008-04-08 19:51:43 UTC (rev 4182)
@@ -195,7 +195,7 @@
         return s->read_count < 1;
 }
 
-static void pl011_receive(void *opaque, const uint8_t *buf, int size)
+static void pl011_put_fifo(void *opaque, uint32_t value)
 {
     pl011_state *s = (pl011_state *)opaque;
     int slot;
@@ -203,7 +203,7 @@
     slot = s->read_pos + s->read_count;
     if (slot >= 16)
         slot -= 16;
-    s->read_fifo[slot] = *buf;
+    s->read_fifo[slot] = value;
     s->read_count++;
     s->flags &= ~PL011_FLAG_RXFE;
     if (s->cr & 0x10 || s->read_count == 16) {
@@ -215,9 +215,15 @@
     }
 }
 
+static void pl011_receive(void *opaque, const uint8_t *buf, int size)
+{
+    pl011_put_fifo(opaque, *buf);
+}
+
 static void pl011_event(void *opaque, int event)
 {
-    /* ??? Should probably implement break.  */
+    if (event == CHR_EVENT_BREAK)
+        pl011_put_fifo(opaque, 0x400);
 }
 
 static CPUReadMemoryFunc *pl011_readfn[] = {