diff options
Diffstat (limited to 'arch/m68k/platform/68360/entry.S')
| -rw-r--r-- | arch/m68k/platform/68360/entry.S | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/m68k/platform/68360/entry.S b/arch/m68k/platform/68360/entry.S index a07b14feed92..0ede6702127a 100644 --- a/arch/m68k/platform/68360/entry.S +++ b/arch/m68k/platform/68360/entry.S @@ -162,22 +162,21 @@ bad_interrupt: /* * Beware - when entering resume, prev (the current task) is - * in a0, next (the new task) is in a1,so don't change these + * in a0, next (the new task) is in a1, so don't change these * registers until their contents are no longer needed. */ ENTRY(resume) movel %a0,%d1 /* save prev thread in d1 */ movew %sr,%a0@(TASK_THREAD+THREAD_SR) /* save sr */ - movel %usp,%a2 /* save usp */ - movel %a2,%a0@(TASK_THREAD+THREAD_USP) - SAVE_SWITCH_STACK movel %sp,%a0@(TASK_THREAD+THREAD_KSP) /* save kernel stack */ + movel %usp,%a3 /* save usp */ + movel %a3,%a0@(TASK_THREAD+THREAD_USP) + + movel %a1@(TASK_THREAD+THREAD_USP),%a3 /* restore user stack */ + movel %a3,%usp movel %a1@(TASK_THREAD+THREAD_KSP),%sp /* restore new thread stack */ RESTORE_SWITCH_STACK - - movel %a1@(TASK_THREAD+THREAD_USP),%a0 /* restore user stack */ - movel %a0,%usp movew %a1@(TASK_THREAD+THREAD_SR),%sr /* restore thread status reg */ rts |