Changes from Andrew

1 files changed, 151 insertions, 0 deletions

diff --git a/sim/ppc/corefile.h b/sim/ppc/corefile.h
new file mode 100644
index 0000000..912623c
--- /dev/null
+++ b/sim/ppc/corefile.h
@@ -0,0 +1,151 @@
+/*  This file is part of the program psim.
+
+    Copyright (C) 1994-1995, 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 _CORE_H_
+#define _CORE_H_
+
+/* basic types */
+
+typedef struct _core core;
+typedef struct _core_map core_map;
+
+/* constructor */
+
+core INLINE_CORE *core_create
+(void);
+
+device INLINE_CORE *core_device_create
+(core *);
+
+
+
+/* the core has three sub mappings that the more efficient
+   read/write fixed quantity functions use */
+
+core_map INLINE_CORE *core_readable
+(core *memory);
+
+core_map INLINE_CORE *core_writeable
+(core *memory);
+
+core_map INLINE_CORE *core_executable
+(core *memory);
+
+
+
+/* operators to add/remove a mapping in the core
+
+   callback-memory:
+
+   All access are passed onto the specified devices callback routines
+   after being `translated'.  DEFAULT indicates that the specified
+   memory should be called if all other mappings fail.
+   
+   For callback-memory, the device must be specified.
+
+   raw-memory:
+
+   While RAM could be implemented using the callback interface
+   core instead treats it as the common case including the code
+   directly in the read/write operators.
+
+   For raw-memory, the device is ignored and the core alloc's a
+   block to act as the memory.
+
+   default-memory:
+
+   Should, for the core, there be no defined mapping for a given
+   address then the default map (if present) is called.
+
+   For default-memory, the device must be specified. */
+
+void INLINE_CORE core_attach
+(core *map,
+ attach_type attach,
+ int address_space,
+ access_type access,
+ unsigned_word addr,
+ unsigned nr_bytes, /* host limited */
+ device *device); /*callback/default*/
+
+void INLINE_CORE core_detach
+(core *map,
+ attach_type attach,
+ int address_space,
+ unsigned_word addr,
+ unsigned nr_bytes, /* host limited */
+ access_type access,
+ device *device); /*callback/default*/
+
+
+/* Variable sized read/write:
+
+   Transfer (zero) a variable size block of data between the host and
+   target (possibly byte swapping it).  Should any problems occure,
+   the number of bytes actually transfered is returned. */
+
+unsigned INLINE_CORE core_map_read_buffer
+(core_map *map,
+ void *buffer,
+ unsigned_word addr,
+ unsigned nr_bytes);
+
+unsigned INLINE_CORE core_map_write_buffer
+(core_map *map,
+ const void *buffer,
+ unsigned_word addr,
+ unsigned nr_bytes);
+
+
+/* Fixed sized read/write:
+
+   Transfer a fixed amout of memory between the host and target.  The
+   memory always being translated and the operation always aborting
+   should a problem occure */
+
+#define DECLARE_CORE_WRITE_N(N) \
+void INLINE_CORE core_map_write_##N \
+(core_map *map, \
+ unsigned_word addr, \
+ unsigned_##N val, \
+ cpu *processor, \
+ unsigned_word cia);
+
+DECLARE_CORE_WRITE_N(1)
+DECLARE_CORE_WRITE_N(2)
+DECLARE_CORE_WRITE_N(4)
+DECLARE_CORE_WRITE_N(8)
+DECLARE_CORE_WRITE_N(word)
+
+#define DECLARE_CORE_READ_N(N) \
+unsigned_##N INLINE_CORE core_map_read_##N \
+(core_map *map, \
+ unsigned_word addr, \
+ cpu *processor, \
+ unsigned_word cia);
+
+DECLARE_CORE_READ_N(1)
+DECLARE_CORE_READ_N(2)
+DECLARE_CORE_READ_N(4)
+DECLARE_CORE_READ_N(8)
+DECLARE_CORE_READ_N(word)
+
+#endif