Changeset 26aafe8 in mainline for kernel/generic/include/mm

Timestamp:

2011-05-19T16:47:49Z (14 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

a6d8726

Parents:

bcaca55

Message:

cleanup the huge mess related to stacks, their sizes and locations
use two frames for kernel stacks by default on all platforms (to play it safe)

Location:

kernel/generic/include/mm

Files:

• as.h (modified) (1 diff)
• frame.h (modified) (1 diff)

kernel/generic/include/mm/as.h

@@ -84 +84 @@
 #define USER_ADDRESS_SPACE_END      USER_ADDRESS_SPACE_END_ARCH
 
-#define USTACK_ADDRESS  USTACK_ADDRESS_ARCH
+#ifdef USTACK_ADDRESS_ARCH
+        #define USTACK_ADDRESS  USTACK_ADDRESS_ARCH
+#else
+        #define USTACK_ADDRESS  (USER_ADDRESS_SPACE_END - (STACK_SIZE - 1))
+#endif
 
 /** Kernel address space. */

kernel/generic/include/mm/frame.h

@@ -44 +44 @@
 #include <arch/mm/page.h>
 #include <arch/mm/frame.h>
-
-#define ONE_FRAME    0
-#define TWO_FRAMES   1
-#define FOUR_FRAMES  2
-
-
-#ifdef ARCH_STACK_FRAMES
-        #define STACK_FRAMES  ARCH_STACK_FRAMES
-#else
-        #define STACK_FRAMES  ONE_FRAME
-#endif
 
 /** Maximum number of zones in the system. */