1 files changed, 73 insertions, 0 deletions
diff --git a/sim/common/hw-main.h b/sim/common/hw-main.h
new file mode 100644
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--- /dev/null
+++ b/sim/common/hw-main.h
@@ -0,0 +1,73 @@
+/* Common hardware header file.
+   Copyright (C) 1998 Free Software Foundation, Inc.
+   Contributed by Andrew Cagney and Cygnus Support.
+
+This file is part of GDB, the GNU debugger.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+
+#ifndef HW_MAIN
+#define HW_MAIN
+
+/* establish a type system */
+#include "sim-basics.h"
+
+/* construct a hw device */
+#include "hw-device.h"
+#include "hw-properties.h"
+#include "hw-events.h"
+#include "hw-alloc.h"
+#include "hw-instances.h"
+#include "hw-handles.h"
+#include "hw-ports.h"
+
+/* Description of a hardware device */
+
+typedef void (hw_finish_method)
+     (struct hw *me);
+
+struct hw_descriptor {
+  const char *family;
+  hw_finish_method *to_finish;
+};
+
+/* Helper functions to make the implementation of a device easier */
+
+/* Go through the devices reg properties and look for those specifying
+   an address to attach various registers to */
+
+void do_hw_attach_regs (struct hw *me);
+
+/* Perform a polling read on FD returning either the number of bytes
+   or a hw_io status code that indicates the reason for the read
+   failure */
+
+enum {
+  HW_IO_EOF = -1, HW_IO_NOT_READY = -2, /* See: IEEE 1275 */
+};
+
+typedef int (do_hw_poll_read_method)
+     (SIM_DESC sd, int, char *, int);
+
+int do_hw_poll_read
+(struct hw *me,
+ do_hw_poll_read_method *read,
+ int sim_io_fd,
+ void *buf,
+ unsigned size_of_buf);
+
+
+#endif