[Qemu-devel] [4918] Use MMU globals for some MMU traps

[Blue Swirl]

Revision: 4918
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4918
Author:   blueswir1
Date:     2008-07-21 18:43:32 +0000 (Mon, 21 Jul 2008)

Log Message:
-----------
Use MMU globals for some MMU traps

Modified Paths:
--------------
    trunk/target-sparc/cpu.h
    trunk/target-sparc/helper.c

Modified: trunk/target-sparc/cpu.h
===================================================================
--- trunk/target-sparc/cpu.h    2008-07-21 11:17:23 UTC (rev 4917)
+++ trunk/target-sparc/cpu.h    2008-07-21 18:43:32 UTC (rev 4918)
@@ -61,12 +61,13 @@
 #define TT_DIV_ZERO 0x28
 #define TT_DFAULT   0x30
 #define TT_DATA_ACCESS 0x32
-#define TT_DPROT    0x33
 #define TT_UNALIGNED 0x34
 #define TT_PRIV_ACT 0x37
 #define TT_EXTINT   0x40
+#define TT_IVEC     0x60
 #define TT_TMISS    0x64
 #define TT_DMISS    0x68
+#define TT_DPROT    0x6c
 #define TT_SPILL    0x80
 #define TT_FILL     0xc0
 #define TT_WOTHER   0x10

Modified: trunk/target-sparc/helper.c
===================================================================
--- trunk/target-sparc/helper.c 2008-07-21 11:17:23 UTC (rev 4917)
+++ trunk/target-sparc/helper.c 2008-07-21 18:43:32 UTC (rev 4918)
@@ -758,9 +758,23 @@
     env->tsptr->tpc = env->pc;
     env->tsptr->tnpc = env->npc;
     env->tsptr->tt = intno;
-    if (!(env->features & CPU_FEATURE_GL))
-        change_pstate(PS_PEF | PS_PRIV | PS_AG);
-
+    if (!(env->features & CPU_FEATURE_GL)) {
+        switch (intno) {
+        case TT_IVEC:
+            change_pstate(PS_PEF | PS_PRIV | PS_IG);
+            break;
+        case TT_TFAULT:
+        case TT_TMISS:
+        case TT_DFAULT:
+        case TT_DMISS:
+        case TT_DPROT:
+            change_pstate(PS_PEF | PS_PRIV | PS_MG);
+            break;
+        default:
+            change_pstate(PS_PEF | PS_PRIV | PS_AG);
+            break;
+        }
+    }
     if (intno == TT_CLRWIN)
         cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
     else if ((intno & 0x1c0) == TT_SPILL)