Fix unassigned memory access handling

cea5f9a28faa528b6b1b117c9ab2d8828f473fef exposed bugs in unassigned memory
access handling. Fix them by always passing CPUState to the handlers.

Reported-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/exec.c b/exec.c
index 8277900..2160ded 100644
--- a/exec.c
+++ b/exec.c
@@ -3238,7 +3238,7 @@
     printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
 #endif
 #if defined(TARGET_ALPHA) || defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
-    do_unassigned_access(addr, 0, 0, 0, 1);
+    cpu_unassigned_access(cpu_single_env, addr, 0, 0, 0, 1);
 #endif
     return 0;
 }
@@ -3249,7 +3249,7 @@
     printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
 #endif
 #if defined(TARGET_ALPHA) || defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
-    do_unassigned_access(addr, 0, 0, 0, 2);
+    cpu_unassigned_access(cpu_single_env, addr, 0, 0, 0, 2);
 #endif
     return 0;
 }
@@ -3260,7 +3260,7 @@
     printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
 #endif
 #if defined(TARGET_ALPHA) || defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
-    do_unassigned_access(addr, 0, 0, 0, 4);
+    cpu_unassigned_access(cpu_single_env, addr, 0, 0, 0, 4);
 #endif
     return 0;
 }
@@ -3271,7 +3271,7 @@
     printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val);
 #endif
 #if defined(TARGET_ALPHA) || defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
-    do_unassigned_access(addr, 1, 0, 0, 1);
+    cpu_unassigned_access(cpu_single_env, addr, 1, 0, 0, 1);
 #endif
 }
 
@@ -3281,7 +3281,7 @@
     printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val);
 #endif
 #if defined(TARGET_ALPHA) || defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
-    do_unassigned_access(addr, 1, 0, 0, 2);
+    cpu_unassigned_access(cpu_single_env, addr, 1, 0, 0, 2);
 #endif
 }
 
@@ -3291,7 +3291,7 @@
     printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val);
 #endif
 #if defined(TARGET_ALPHA) || defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
-    do_unassigned_access(addr, 1, 0, 0, 4);
+    cpu_unassigned_access(cpu_single_env, addr, 1, 0, 0, 4);
 #endif
 }