Changeset f077f332 in rtems for c/src/lib/libbsp/sparc/shared/start.S

Timestamp:

04/24/01 20:49:11 (22 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

126405d9

Parents:

6de4727f

Message:

2000-04-23 Jiri Gaisler <jiri@…>

• start.S: Modificatins to preserve the current CWP and adjust the WIM accordingly. This improves compatibility with the remote debugger and the mkprom prom-builder.

File:

• c/src/lib/libbsp/sparc/shared/start.S (modified) (1 diff)

c/src/lib/libbsp/sparc/shared/start.S

@@ -200 +200 @@
 /* Common initialisation */
 
-        set     SYM(trap_table), %g1           ! Initialize TBR
+        set     SYM(trap_table), %g1    ! Initialize TBR
         mov     %g1, %tbr
 
-        set     WIM_INIT, %g1           ! Initialize WIM
-        mov     %g1, %wim               
-
-        set     PSR_INIT, %g1
-        wr      %g1, 0x20, %psr         ! enable traps
+        mov     %psr, %g1               ! Initialize WIM
+        add     %g1, 1, %g2
+        and     %g2, 0x7, %g2
+        set     1, %g3
+        sll     %g3, %g2, %g3
+        mov     %g3, %wim               
+
+        or      %g1, 0x20, %g1
+        wr      %g1, %psr         ! enable traps
 
         nop