Changes from Andrew

1 files changed, 94 insertions, 0 deletions

diff --git a/sim/ppc/cap.c b/sim/ppc/cap.c
new file mode 100644
index 0000000..1c45f4c
--- /dev/null
+++ b/sim/ppc/cap.c
@@ -0,0 +1,94 @@
+/*  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 _CAP_C_
+#define _CAP_C_
+
+#ifndef STATIC_INLINE_CAP
+#define STATIC_INLINE_CAP STATIC_INLINE
+#endif
+
+#include "cap.h"
+
+typedef struct _cap_mapping cap_mapping;
+struct _cap_mapping {
+  unsigned32 external;
+  void *internal;
+  cap_mapping *next;
+};
+
+struct _cap {
+  int nr_mappings;
+  cap_mapping *mappings;
+};
+
+INLINE_CAP cap *
+cap_create(const char *key)
+{
+  return ZALLOC(cap);
+}
+
+INLINE_CAP void
+cap_init(cap *map)
+{
+  cap_mapping *current_mapping = map->mappings;
+  while (current_mapping != NULL) {
+    cap_mapping *tbd = current_mapping;
+    current_mapping = tbd->next;
+    zfree(tbd);
+  }
+  map->nr_mappings = 0;
+  map->mappings = (cap_mapping*)0;
+}
+
+INLINE_CAP void *
+cap_internal(cap *db,
+	     signed32 external)
+{
+  cap_mapping *current_map = db->mappings;
+  while (current_map != NULL) {
+    if (current_map->external == external)
+      return current_map->internal;
+    current_map = current_map->next;
+  }
+  return (void*)0;
+}
+
+INLINE_CAP signed32
+cap_external(cap *db,
+	     void *internal)
+{
+  cap_mapping *current_map = db->mappings;
+  while (current_map != NULL) {
+    if (current_map->internal == internal)
+      return current_map->external;
+    current_map = current_map->next;
+  }
+  current_map = ZALLOC(cap_mapping);
+  current_map->next = db->mappings;
+  current_map->internal = internal;
+  db->nr_mappings += 1;
+  current_map->external = db->nr_mappings;
+  db->mappings = current_map;
+  return current_map->external;
+}
+
+#endif