From: ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 13 May 2007 14:42:18 +0000 (+0000)
Subject: Don't decode CP0 XContext on 32bit MIPS.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=703eaf379ed63da63b0929e12137ad4edab9899d;p=qmiga%2Fqemu.git

Don't decode CP0 XContext on 32bit MIPS.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2812 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/target-mips/translate.c b/target-mips/translate.c
index fb802f0c67..98794504f2 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -2190,10 +2190,11 @@ static void gen_mfc0 (DisasContext *ctx, int reg, int sel)
     case 20:
         switch (sel) {
         case 0:
-            /* 64 bit MMU only */
+#ifdef TARGET_MIPS64
             gen_op_mfc0_xcontext();
             rn = "XContext";
             break;
+#endif
         default:
             goto die;
         }
@@ -2788,10 +2789,11 @@ static void gen_mtc0 (DisasContext *ctx, int reg, int sel)
     case 20:
         switch (sel) {
         case 0:
-            /* 64 bit MMU only */
+#ifdef TARGET_MIPS64
             /* Nothing writable in lower 32 bits */
             rn = "XContext";
             break;
+#endif
         default:
             goto die;
         }
@@ -3377,10 +3379,11 @@ static void gen_dmfc0 (DisasContext *ctx, int reg, int sel)
     case 20:
         switch (sel) {
         case 0:
-            /* 64 bit MMU only */
+#ifdef TARGET_MIPS64
             gen_op_dmfc0_xcontext();
             rn = "XContext";
             break;
+#endif
         default:
             goto die;
         }
@@ -3966,10 +3969,11 @@ static void gen_dmtc0 (DisasContext *ctx, int reg, int sel)
     case 20:
         switch (sel) {
         case 0:
-            /* 64 bit MMU only */
+#ifdef TARGET_MIPS64
             gen_op_dmtc0_xcontext();
             rn = "XContext";
             break;
+#endif
         default:
             goto die;
         }