Changeset 6b781c0 in mainline for kernel/arch/arm32/src/mm/frame.c

Timestamp:

2007-06-08T15:02:49Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

c03ee1c

Parents:

3ee8a075

Message:

Merge arm32 into trunk.

File:

• kernel/arch/arm32/src/mm/frame.c (modified) (2 diffs)

kernel/arch/arm32/src/mm/frame.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2005 Jakub Jermar
+ * Copyright (c) 2007 Pavel Jancik, Michal Kebrt
  * All rights reserved.
  *
@@ -31 +31 @@
  */
 /** @file
+ *  @brief Frame related functions.
  */
 
 #include <mm/frame.h>
+#include <arch/mm/frame.h>
+#include <config.h>
+#include <arch/debug/print.h>
 
-/** Create memory zones. */
+/** Address of the last frame in the memory. */
+uintptr_t last_frame = 0;
+
+/** Creates memory zones. */
 void frame_arch_init(void)
 {
-        /* TODO */
+        /* all memory as one zone */
+        zone_create(0, ADDR2PFN(config.memory_size),
+            BOOT_PAGE_TABLE_START_FRAME + BOOT_PAGE_TABLE_SIZE_IN_FRAMES, 0);
+        last_frame = config.memory_size;
+
+        /* blacklist boot page table */
+        frame_mark_unavailable(BOOT_PAGE_TABLE_START_FRAME,
+            BOOT_PAGE_TABLE_SIZE_IN_FRAMES);
+}
+
+/** Frees the boot page table. */
+void boot_page_table_free(void)
+{
+        int i;
+        for (i = 0; i < BOOT_PAGE_TABLE_SIZE_IN_FRAMES; i++) {
+                frame_free(i * FRAME_SIZE + BOOT_PAGE_TABLE_ADDRESS);
+        }
 }