Changeset 2d545843 in rtems

Timestamp:

09/30/11 08:02:56 (11 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

4.11, 5, master

Children:

88807662

Parents:

32448524

Message:

2011-09-30 Sebastian Huber <sebastian.huber@…>

• nios2-context-switch.S: Use small-data area access for _Per_CPU_Information fields.

Location:

cpukit/score/cpu/nios2

Files:

• ChangeLog (modified) (1 diff)
• nios2-context-switch.S (modified) (2 diffs)

cpukit/score/cpu/nios2/ChangeLog

@@ +1 @@
+2011-09-30      Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+        * nios2-context-switch.S: Use small-data area access for
+        _Per_CPU_Information fields.
+
 2011-09-27      Sebastian Huber <sebastian.huber@embedded-brains.de>
 

cpukit/score/cpu/nios2/nios2-context-switch.S

@@ -28 +28 @@
 _CPU_Context_switch:
 
-        movhi   r12, %hiadj(_Nios2_Thread_dispatch_disabled)
-        addi    r12, r12, %lo(_Nios2_Thread_dispatch_disabled)
-        ldw     r9, 0(r12)
+        ldw     r9, %gprel(_Nios2_Thread_dispatch_disabled)(gp)
         rdctl   r8, status
         stw     r16, NIOS2_CONTEXT_OFFSET_R16(r4)
@@ -58 +56 @@
         ldw     r23, NIOS2_CONTEXT_OFFSET_R23(r5)
         ldw     fp, NIOS2_CONTEXT_OFFSET_FP(r5)
-        stw     r10, 0(r12)
+        stw     r10, %gprel(_Nios2_Thread_dispatch_disabled)(gp)
         ldw     r11, NIOS2_CONTEXT_OFFSET_STATUS(r5)
         ldw     sp, NIOS2_CONTEXT_OFFSET_SP(r5)