Add hw_{malloc,zalloc,free} functions to hw_device. Any memory

allocated using these functions is reclaimed when the corresponding
device is deleted.

1 files changed, 128 insertions, 0 deletions

diff --git a/sim/common/hw-base.h b/sim/common/hw-base.h
new file mode 100644
index 00000000000..ee787dd76e6
--- /dev/null
+++ b/sim/common/hw-base.h
@@ -0,0 +1,128 @@
+/*  This file is part of the program psim.
+
+    Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
+
+    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 of the License, 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_ROOT
+#define HW_ROOT
+
+/* A root device from which dv-* devices can be built */
+
+#include "hw-device.h"
+
+#include "hw-properties.h"
+/* #include "hw-instances.h" */
+/* #include "hw-handles.h" */
+#include "hw-ports.h"
+
+typedef void (hw_finish_callback)
+     (struct hw *me);
+
+struct hw_device_descriptor {
+  const char *family;
+  hw_finish_callback *to_finish;
+};
+
+/* Create a primative device */
+
+struct hw *hw_create
+(SIM_DESC sd,
+ struct hw *parent,
+ const char *family,
+ const char *name,
+ const char *unit,
+ const char *args);
+
+
+/* Complete the creation of that device (finish overrides methods
+   using the set_hw_* operations below) */
+
+void hw_finish
+(struct hw *me);
+
+int hw_finished_p
+(struct hw *me);
+
+
+/* Delete the entire device */
+
+void hw_delete
+(struct hw *me);
+
+
+/* Override device methods */
+
+#define set_hw_data(hw, value) \
+((hw)->data_of_hw = (value))
+
+#define set_hw_reset(hw, method) \
+((hw)->to_reset = method)
+
+#define set_hw_io_read_buffer(hw, method) \
+((hw)->to_io_read_buffer = (method))
+#define set_hw_io_write_buffer(hw, method) \
+((hw)->to_io_write_buffer = (method))
+
+#define set_hw_dma_read_buffer(me, method) \
+((me)->to_dma_read_buffer = (method))
+#define set_hw_dma_write_buffer(me, method) \
+((me)->to_dma_write_buffer = (method))
+
+#define set_hw_attach_address(hw, method) \
+((hw)->to_attach_address = (method))
+#define set_hw_detach_address(hw, method) \
+((hw)->to_detach_address = (method))
+
+#define set_hw_unit_decode(hw, method) \
+((hw)->to_unit_decode = (method))
+#define set_hw_unit_encode(hw, method) \
+((hw)->to_unit_encode = (method))
+
+#define set_hw_unit_address_to_attach_address(hw, method) \
+((hw)->to_unit_address_to_attach_address = (method))
+#define set_hw_unit_size_to_attach_size(hw, method) \
+((hw)->to_unit_size_to_attach_size = (method))
+
+typedef void (hw_delete_callback)
+     (struct hw *me);
+
+#define set_hw_delete(hw, method) \
+((hw)->base_of_hw->to_delete = (method))
+
+
+struct hw_port_descriptor {
+  const char *name;
+  int number; 
+  int nr_ports;
+  port_direction direction;
+};
+
+typedef void (hw_port_event_callback)
+     (struct hw *me,
+      int my_port,
+      struct hw *source,
+      int source_port,
+      int level,
+      sim_cpu *processor,
+      sim_cia cia);
+
+extern void set_hw_ports (struct hw *hw, const struct hw_port_descriptor ports[]);
+extern void set_hw_port_event (struct hw *hw, hw_port_event_callback *to_port_event);
+
+#endif