Pull button into test branch

[linux-drm-fsl-dcu.git] / arch / ia64 / kernel / jprobes.S

diff --git a/arch/ia64/kernel/jprobes.S b/arch/ia64/kernel/jprobes.S
index 2323377e36950ee236a662bcddada08c2f423d45..621630256c4aa053b30dbb6e54d56e95dfd0e842 100644 (file)
--- a/arch/ia64/kernel/jprobes.S
+++ b/arch/ia64/kernel/jprobes.S
@@ -45,13 +45,14 @@
  * to the correct location.
  */
 #include <asm/asmmacro.h>
+#include <asm-ia64/break.h>
 
        /*
         * void jprobe_break(void)
         */
        .section .kprobes.text, "ax"
 ENTRY(jprobe_break)
-       break.m 0x80300
+       break.m __IA64_BREAK_JPROBE
 END(jprobe_break)
 
        /*
@@ -60,3 +61,30 @@ END(jprobe_break)
 GLOBAL_ENTRY(jprobe_inst_return)
        br.call.sptk.many b0=jprobe_break
 END(jprobe_inst_return)
+
+GLOBAL_ENTRY(invalidate_stacked_regs)
+       movl r16=invalidate_restore_cfm
+       ;;
+       mov b6=r16
+       ;;
+       br.ret.sptk.many b6
+       ;;
+invalidate_restore_cfm:
+       mov r16=ar.rsc
+       ;;
+       mov ar.rsc=r0
+       ;;
+       loadrs
+       ;;
+       mov ar.rsc=r16
+       ;;
+       br.cond.sptk.many rp
+END(invalidate_stacked_regs)
+
+GLOBAL_ENTRY(flush_register_stack)
+       // flush dirty regs to backing store (must be first in insn group)
+       flushrs
+       ;;
+       br.ret.sptk.many rp
+END(flush_register_stack)
+