Changeset 939dfd7 in mainline for arch/mips32/src/drivers/arc.c

Timestamp:

2005-12-09T18:29:34Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

705b4149

Parents:

ef0e259

Message:

Added MIPS ARC memory initializaiton.

File:

• arch/mips32/src/drivers/arc.c (modified) (4 diffs)

arch/mips32/src/drivers/arc.c

@@ -32 +32 @@
 #include <arch.h>
 #include <arch/byteorder.h>
+#include <arch/mm/frame.h>
+#include <mm/frame.h>
 
 /* This is a good joke, SGI HAS different types than NT bioses... */
@@ -102 +104 @@
  * @return 0 - ARC OK, -1 - ARC does not exist
  */
-int init_arc(void)
+int arc_init(void)
 {
         if (sbp->signature != ARC_MAGIC) {
@@ -166 +168 @@
         while (desc) {
                 printf("%s: %d (size: %dKB)\n",basetypes[desc->type],
-                       desc->basepage * 4096,
-                       desc->basecount*4);
+                       desc->basepage * ARC_FRAME,
+                       desc->basecount*ARC_FRAME/1024);
                 desc = arc_entry->getmemorydescriptor(desc);
         }
@@ -203 +205 @@
         return ch;
 }
+
+/* Initialize frame zones from ARC firmware. 
+ * In the future we may use even the FirmwareTemporary regions,
+ * currently we use the FreeMemory (what about the LoadedProgram?)
+ */
+void arc_frame_init(void)
+{
+        arc_memdescriptor_t *desc;
+        int total = 0;
+
+        desc = arc_entry->getmemorydescriptor(NULL);
+        while (desc) {
+                if (desc->type == FreeMemory ||
+                    desc->type == FreeContiguous) {
+                        total += desc->basecount*ARC_FRAME;
+                        zone_create_in_region(desc->basepage*ARC_FRAME,
+                                              desc->basecount*ARC_FRAME);
+                }
+                desc = arc_entry->getmemorydescriptor(desc);
+        }
+
+        config.memory_size = total;
+}
+