Changeset 982b484 in rtems for c/src/lib/libbsp/sparc64/usiii/start/bspinit.S

Timestamp:

11/16/10 23:19:58 (13 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.11, 5, master

Children:

722c0fd

Parents:

db5f134

Message:

2010-11-15 Gedare Bloom <giddyup44@…>

PR 1691/bsps

• usiii/start/bspinit.S: Create a dummy trap table that jumps to the firmware trap table for default trap handlers.

File:

• c/src/lib/libbsp/sparc64/usiii/start/bspinit.S (modified) (1 diff)

c/src/lib/libbsp/sparc64/usiii/start/bspinit.S

@@ -36 +36 @@
   save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
 
-  /* copy firmware trap table so that RTEMS can install ISR handlers */
-  setx  SYM(trap_table), %l0, %o0
-  rdpr  %tba, %o1
-  set TABLE_SIZE, %o2
-  call memcpy
-  nop
+  ! copy the tba
+  sethi %hi(real_trap_table), %o0
+  rdpr  %tba, %o2
+  stx   %o2, [%o0 + %lo(real_trap_table)]
+
+!  /* copy firmware trap table so that RTEMS can install ISR handlers */
+!  setx  SYM(trap_table), %l0, %o0
+!  rdpr  %tba, %o1
+!  set TABLE_SIZE, %o2
+!  call memcpy
+!  nop
 
   mov %g0, %o0