Changeset 184 for soft/giet_vm/sys

Timestamp:

Jul 27, 2012, 4:22:36 PM (12 years ago)

Author:

karaoui

Message:

fixing interruption mask

File:

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

soft/giet_vm/sys/vm_handler.c

@@ -121 +121 @@
                        "li      $27,    0xFFFFFFFE  \n"     /* Mask for IE bits     */
                        "mfc0    $8,     $12         \n"     /* $8 <= SR             */ 
-                       "and     $26,    $26,    $27 \n"     /* disable Interrupts   */
+                       "and     $26,    $8,    $27 \n"      /* $26 <= SR && 0xFFFFFFE */
+                       "mtc0    $26,    $12         \n"     /* disable Interrupts   */
+
                        "move    $27,    %2          \n"     /* $27 <= pte2          */
                        "li      $26,    0xB         \n"     /* DTLB unactivated     */
@@ -129 +131 @@
                        "li      $26,    0xF         \n" 
                        "mtc2    $26,    $1          \n"     /* DTLB activated       */
+
                        "or     $26,     $8,    $0   \n"     /* SR previous state    */
                         :"=r"(flags_value), "=r"(ppn_value)