Changeset f5926ad9 in mainline

Timestamp:

2006-11-20T22:29:23Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

abc9fc5

Parents:

91d6d28

Message:

Update comment and move initialization code away from application processor codepath.

File:

• kernel/arch/sparc64/src/mm/frame.c (modified) (3 diffs)

kernel/arch/sparc64/src/mm/frame.c

@@ -46 +46 @@
  *
  * Walk the bootinfo memory map and create frame zones according to it.
- * The first frame is not blacklisted here as it is done in generic
- * frame_init().
  */
 void frame_arch_init(void)
@@ -63 +61 @@
                          * It already contains no holes.
                          */
-        
+
                         confdata = ADDR2PFN(start);
                         if (confdata == ADDR2PFN(KA2PA(PFN2ADDR(0))))
@@ -70 +68 @@
                         last_frame = max(last_frame, start + ALIGN_UP(size, FRAME_SIZE));
                 }
+
+                /*
+                 * On sparc64, physical memory can start on a non-zero address.
+                 * The generic frame_init() only marks PFN 0 as not free, so we
+                 * must mark the physically first frame not free explicitly here,
+                 * no matter what is its address.
+                 */
+                frame_mark_unavailable(ADDR2PFN(KA2PA(PFN2ADDR(0))), 1);
         }
         
-        /*
-         * On sparc64, physical memory can start on a non-zero address.
-         * The generic frame_init() only marks PFN 0 as not free, so we
-         * must mark the physically first frame not free explicitly here,
-         * no matter what is its address.
-         */
-        frame_mark_unavailable(ADDR2PFN(KA2PA(PFN2ADDR(0))), 1);
 }