Changeset 762a824 in mainline for arch/ppc32/src/proc/scheduler.c

Timestamp:

2006-05-01T14:44:37Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

16dad032

Parents:

0f27b4c

Message:

ppc32: proper exception handling from user-space
code cleanup

File:

• arch/ppc32/src/proc/scheduler.c (modified) (2 diffs)

arch/ppc32/src/proc/scheduler.c

@@ -28 +28 @@
 
 #include <arch/mm/page.h>
+#include <arch/boot/boot.h>
 #include <proc/scheduler.h>
 #include <proc/thread.h>
 #include <arch.h>
-
-__address supervisor_sp;
-__address supervisor_sp_physical;
 
 /** Perform ppc32 specific tasks needed before the new task is run. */
@@ -43 +41 @@
 void before_thread_runs_arch(void)
 {
-        supervisor_sp = (__address) &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA];
-        supervisor_sp_physical = KA2PA(supervisor_sp_physical);
+        asm volatile (
+                "mtsprg0 %0\n"
+                :
+                : "r" (KA2PA(&THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA]))
+        );
 }