Skip to contentSkip to conversation

sparc32 add a few more ASI

PATCH Applied Robert Reif 2 participants 2 messages Dec 9, 2007 – Dec 10, 2007

lore
Share & tools
lore

Robert Reif

author
#0 lore raw

PATCH 1/1 sparc32 add a few more ASI

op_helper.c +8 -1
diff -p -u -r1.60 op_helper.c
@@ -411,6 +411,9 @@ void helper_ld_asi(int asi, int size, in
             break;
         }
         break;
+    case 0x39: /* data cache diagnostic register */
+        ret = 0;
+        break;
     case 0x21 ... 0x2d: /* MMU passthrough, unassigned */
     default:
         do_unassigned_access(T0, 0, 0, 1);

@@ -703,9 +706,13 @@ void helper_st_asi(int asi, int size)
             }
         }
         return;
-    case 0x31: /* Ross RT620 I-cache flush */
+    case 0x30: /* store buffer tags */
+    case 0x31: /* store buffer data or Ross RT620 I-cache flush */
+    case 0x32: /* store buffer control */
     case 0x36: /* I-cache flash clear */
     case 0x37: /* D-cache flash clear */
+    case 0x38: /* breakpoint diagnostics */
+    case 0x4c: /* breakpoint action */
         break;
     case 9: /* Supervisor code access, XXX */
     case 0x21 ... 0x2d: /* MMU passthrough, unassigned */
Applied
#1 lore raw
Quoted 20 lines · Robert Reif

diff -p -u -r1.60 op_helper.c

op_helper.c 9 Dec 2007 20:33:02 -0000 renamed from op_helper.c 28 Nov 2007 18:08:28 -0000 1.60 +3 -1
@@ -411,6 +411,9 @@ void helper_ld_asi(int asi, int size, in
             break;
         }
         break;
+    case 0x39: /* data cache diagnostic register */
+        ret = 0;
+        break;
     case 0x21 ... 0x2d: /* MMU passthrough, unassigned */
     default:
         do_unassigned_access(T0, 0, 0, 1);

@@ -703,9 +706,13 @@ void helper_st_asi(int asi, int size)
             }
         }
         return;
-    case 0x31: /* Ross RT620 I-cache flush */

op_helper.c 9 Dec 2007 20:33:02 -0000 void helper_st_asi(int asi, int size) · line 718

Quoted 10 lines
op_helper.c 9 Dec 2007 20:33:02 -0000 renamed from op_helper.c 28 Nov 2007 18:08:28 -0000 1.60 +5 -0
+    case 0x30: /* store buffer tags */
+    case 0x31: /* store buffer data or Ross RT620 I-cache flush */
+    case 0x32: /* store buffer control */
     case 0x36: /* I-cache flash clear */
     case 0x37: /* D-cache flash clear */
+    case 0x38: /* breakpoint diagnostics */
+    case 0x4c: /* breakpoint action */
         break;
     case 9: /* Supervisor code access, XXX */
     case 0x21 ... 0x2d: /* MMU passthrough, unassigned */

Thanks, applied.

Hardware breakpoint support could be useful, though GDB works without it.