Changeset 170 for soft/giet_vm/sys

Timestamp:

Jul 17, 2012, 4:37:44 PM (13 years ago)

Author:

alain

Message:

Bug fix dans _v2p_translate() (in sys/vm_handler.c)

File:

• soft/giet_vm/sys/vm_handler.c (modified) (2 diffs)

soft/giet_vm/sys/vm_handler.c

@@ -98 +98 @@
 {
     unsigned int    ptba;
-    unsigned int*   pte2;
-    unsigned int    flags_value;
-    unsigned int    ppn_value;
+
+    register unsigned int*   pte2;
+    register unsigned int    flags_value;
+    register unsigned int    ppn_value;
 
     unsigned int    ix1 = vpn >> 9;
@@ -117 +118 @@
 
         // gets ppn_value and flags_value, after temporary DTLB desactivation
-        asm volatile ( "li      $26, 0xB    \n"     /* DTLB unactivated */
+        asm volatile ( "move    $27, %2     \n"     /* $27 <= pte2      */
+                       "li      $26, 0xB    \n"     /* DTLB unactivated */
                        "mtc2    $26, $1     \n"
-                       "lw      %0,  0(%2)  \n"     /* read flags       */ 
-                       "lw      %1,  4(%2)  \n"     /* read ppn         */
+                       "lw      %0,  0($27) \n"     /* read flags       */ 
+                       "lw      %1,  4($27) \n"     /* read ppn         */
                        "li      $26, 0xF    \n" 
                        "mtc2    $26, $1     \n"     /* DTLB activated   */