Changeset c0b7f00 in mainline

Timestamp:

2005-12-12T11:43:34Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

af9a7c5

Parents:

96c939e

Message:

Allow for different ARC frame size and kernel frame size.

File:

• arch/mips32/src/drivers/arc.c (modified) (3 diffs)

arch/mips32/src/drivers/arc.c

@@ -35 +35 @@
 #include <mm/frame.h>
 #include <interrupt.h>
+#include <align.h>
 
 /* This is a good joke, SGI HAS different types than NT bioses... */
@@ -264 +265 @@
         arc_memdescriptor_t *desc;
         int total = 0;
+        __address base;
+        size_t basesize;
+        unsigned int i,j;
 
         desc = arc_entry->getmemorydescriptor(NULL);
@@ -269 +273 @@
                 if (desc->type == FreeMemory ||
                     desc->type == FreeContiguous) {
-                        total += desc->basecount*ARC_FRAME;
-                        zone_create_in_region(desc->basepage*ARC_FRAME,
-                                              desc->basecount*ARC_FRAME);
+                        base = desc->basepage*ARC_FRAME;
+                        basesize = desc->basecount*ARC_FRAME;
+
+                        if (base % FRAME_SIZE ) {
+                                basesize -= FRAME_SIZE - (base % FRAME_SIZE);
+                                base = ALIGN_UP(base, FRAME_SIZE);
+                        }
+                        basesize = ALIGN_DOWN(basesize, FRAME_SIZE);
+
+                        total += basesize;
+                        zone_create_in_region(base, basesize);
                 }
                 desc = arc_entry->getmemorydescriptor(desc);