Changeset 40c8c17 in mainline for kernel/arch/amd64

Timestamp:

2011-11-26T21:37:40Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

38ff925

Parents:

056ddc30

Message:

Replace multiple definitions of last_frame with config.physmem_end.
Do not duplicate code which calculates the end of physical memory.

Location:

kernel/arch/amd64

Files:

• include/mm/frame.h (modified) (1 diff)
• src/mm/page.c (modified) (1 diff)

kernel/arch/amd64/include/mm/frame.h

@@ -43 +43 @@
 #include <typedefs.h>
 
-extern uintptr_t last_frame;
 extern void frame_low_arch_init(void);
 extern void frame_high_arch_init(void);

kernel/arch/amd64/src/mm/page.c

@@ -64 +64 @@
                 
         /*
-         * PA2KA(identity) mapping for all frames.
+         * PA2KA(identity) mapping for all low-memory frames.
          */
-        for (cur = 0; cur < min(config.identity_size, last_frame);
+        for (cur = 0; cur < min(config.identity_size, config.physmem_end);
             cur += FRAME_SIZE)
                 page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, identity_flags);