[src/trunk]: src/sys/arch/powerpc/fpu Remove old workaround foe cache problem...

[rin <rin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/99601ba57805
branches:  trunk
changeset: 935977:99601ba57805
user:      rin <rin%NetBSD.org@localhost>
date:      Wed Jul 15 07:37:25 2020 +0000

description:
Remove old workaround foe cache problem on ibm4xx.
The problem seems gone already.

diffstat:

 sys/arch/powerpc/fpu/fpu_emu.c |  16 ++--------------
 1 files changed, 2 insertions(+), 14 deletions(-)

diffs (40 lines):

diff -r f3806aef192c -r 99601ba57805 sys/arch/powerpc/fpu/fpu_emu.c
--- a/sys/arch/powerpc/fpu/fpu_emu.c    Wed Jul 15 02:26:07 2020 +0000
+++ b/sys/arch/powerpc/fpu/fpu_emu.c    Wed Jul 15 07:37:25 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: fpu_emu.c,v 1.24 2020/07/06 10:31:23 rin Exp $ */
+/*     $NetBSD: fpu_emu.c,v 1.25 2020/07/15 07:37:25 rin Exp $ */
 
 /*
  * Copyright 2001 Wasabi Systems, Inc.
@@ -76,11 +76,10 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fpu_emu.c,v 1.24 2020/07/06 10:31:23 rin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fpu_emu.c,v 1.25 2020/07/15 07:37:25 rin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_ddb.h"
-#include "opt_ppcarch.h"
 #endif
 
 #include <sys/param.h>
@@ -260,17 +259,6 @@
                        opc_disasm((vaddr_t)(tf->tf_srr0), insn.i_int);
                }
 #endif
-#if defined(PPC_IBM4XX) && defined(DDB) && defined(DEBUG)
-               /*
-               * XXXX retry an illegal insn once due to cache issues.
-               */
-               static int lastill = 0;
-               if (lastill == tf->tf_srr0) {
-                       if (fpe_debug & FPE_EX)
-                               Debugger();
-               }
-               lastill = tf->tf_srr0;
-#endif /* PPC_IBM4XX && DDB && DEBUG */
                return false;
        }
 }