Changeset 26aafe8 in mainline for kernel/arch/ia64/src

Timestamp:

2011-05-19T16:47:49Z (15 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/arch/ia64/src

Files:

• ia64.c (modified) (1 diff)
• proc/scheduler.c (modified) (1 diff)

kernel/arch/ia64/src/ia64.c

@@ -250 +250 @@
 
         switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
-            ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE -
+            ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE -
             ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
-            ((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE,
+            ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE,
             (uintptr_t) kernel_uarg->uspace_uarg, psr.value, rsc.value);
 

kernel/arch/ia64/src/proc/scheduler.c

@@ -86 +86 @@
                 "bsw.1\n"
                 :
-                : "r" (&THREAD->kstack[THREAD_STACK_SIZE]),
-                  "r" (&THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA])
+                : "r" (&THREAD->kstack[STACK_SIZE]),
+                  "r" (&THREAD->kstack[STACK_SIZE - SP_DELTA])
                 );
 }