Changeset 73a4bab in mainline for arch/ia64/src

Timestamp:

2005-11-11T14:06:55Z (20 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

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

Children:

8a0b3730

Parents:

0172eba

Message:

Atomic inc & dec functions synchronized on all ia32,ia64 and mips platforms. Now there are 3 versions which returns no value, new value and old value och changed variable.

File:

• arch/ia64/src/ivt.S (modified) (8 diffs)

arch/ia64/src/ivt.S

@@ -1 +1 @@
 #
 # Copyright (C) 2005 Jakub Vana
-# Copyright (C) 2005 Jakub Jermar
 # All rights reserved.
 #
@@ -29 +28 @@
 
 #include <arch/stack.h>
-#include <arch/register.h>
 
 #define STACK_ITEMS             12
@@ -107 +105 @@
         
         /* assume kernel backing store */
-        /* mov ar.bspstore = r28 ;; */
+        mov ar.bspstore = r28 ;;
         
         mov r29 = ar.bsp
@@ -147 +145 @@
         ld8 r24 = [r31], +8 ;;          /* load ar.rsc */
 
-        /* mov ar.bspstore = r28 ;; */  /* (step 4) */
-        /* mov ar.rnat = r27 */         /* (step 5) */
+        mov ar.bspstore = r28 ;;        /* (step 4) */
+        mov ar.rnat = r27               /* (step 5) */
 
         mov ar.pfs = r25                /* (step 6) */
@@ -192 +190 @@
 
     /* 6. switch to bank 1 and reenable PSR.ic */
-        ssm PSR_IC_MASK
+        ssm 0x2000
         bsw.1 ;;
         srlz.d
@@ -248 +246 @@
     
     /* 9. skipped (will not enable interrupts) */
-        /*
-         * ssm PSR_I_MASK
-         * ;;
-         * srlz.d
-         */
 
     /* 10. call handler */
@@ -262 +255 @@
         
     /* 12. skipped (will not disable interrupts) */
-        /*
-         * rsm PSR_I_MASK
-         * ;;
-         * srlz.d
-         */
 
     /* 13. restore general and floating-point registers */
@@ -320 +308 @@
         
     /* 15. disable PSR.ic and switch to bank 0 */
-        rsm PSR_IC_MASK
+        rsm 0x2000
         bsw.0 ;;
         srlz.d