In addition to cop0 sr, prevent cop0 ic from being modified in

process_write_regs().

diff --git a/sys/arch/mips64/mips64/process_machdep.c b/sys/arch/mips64/mips64/process_machdep.c
index 94324f3..06f48d0 100644 (file)
--- a/sys/arch/mips64/mips64/process_machdep.c
+++ b/sys/arch/mips64/mips64/process_machdep.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: process_machdep.c,v 1.8 2007/10/18 04:32:25 miod Exp $        */
+/*     $OpenBSD: process_machdep.c,v 1.9 2008/07/28 18:48:25 miod Exp $        */
 
 /*
  * Copyright (c) 1994 Adam Glass
@@ -40,7 +40,7 @@
  * From:
  *     Id: procfs_i386.c,v 4.1 1993/12/17 10:47:45 jsp Rel
  *
- *     $Id: process_machdep.c,v 1.8 2007/10/18 04:32:25 miod Exp $
+ *     $Id: process_machdep.c,v 1.9 2008/07/28 18:48:25 miod Exp $
  */
 
 /*
@@ -104,7 +104,7 @@ process_write_regs(p, regs)
        struct proc *p;
        struct reg *regs;
 {
-       register_t sr;
+       register_t sr, ic, cpl;
        extern struct proc *machFPCurProcPtr;
 
        if (p == machFPCurProcPtr) {
@@ -114,8 +114,12 @@ process_write_regs(p, regs)
                        MipsSaveCurFPState16(p);
        }
        sr = p->p_md.md_regs->sr;
+       ic = p->p_md.md_regs->ic;
+       cpl = p->p_md.md_regs->cpl;
        bcopy((caddr_t)regs, (caddr_t)p->p_md.md_regs, REGSIZE);
        p->p_md.md_regs->sr = sr;
+       p->p_md.md_regs->ic = ic;
+       p->p_md.md_regs->cpl = cpl;
        return (0);
 }