* monitor.c (monitor_open): If a dcache has already been created,

invalidate it rather than creating another.
* ocd.c (ocd_open): Likewise.
* remote-nindy.c (nindy_open): Likewise.
* remote-sds.c (sds_open): Likewise.
* remote-utils.c (gr_open): Likewise.
* remote.c (remote_open_1, remote_cisco_open): Likewise.

* dcache.c (dcache_alloc): Changed to take address of line as an
argument, and to invalidate cache line before returning.
(dcache_peek_byte): Updated.
(dcache_poke_byte): Updated.
-------------------------------------------------------------------

1 files changed, 10 insertions, 3 deletions

diff --git a/gdb/monitor.c b/gdb/monitor.c
index e3fa1c8..b57365e 100644
--- a/gdb/monitor.c
+++ b/gdb/monitor.c
@@ -838,10 +838,17 @@ monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty)
 
   monitor_printf (current_monitor->line_term);
 
-  if (current_monitor->flags & MO_HAS_BLOCKWRITES)
-    remote_dcache = dcache_init (monitor_read_memory, monitor_write_memory_block);
+  if (!remote_dcache)
+    {
+      if (current_monitor->flags & MO_HAS_BLOCKWRITES)
+	remote_dcache = dcache_init (monitor_read_memory, 
+				     monitor_write_memory_block);
+      else
+	remote_dcache = dcache_init (monitor_read_memory, monitor_write_memory);
+    }
   else
-    remote_dcache = dcache_init (monitor_read_memory, monitor_write_memory);
+    dcache_flush (remote_dcache);
+
   start_remote ();
 }