* Small TX39-only patch for ECC.

Mon Jun  1 18:18:26 1998  Frank Ch. Eigler  <fche@cygnus.com>
	* interp.c (decode_coproc): For TX39, add stub COP0 register #3,
	to allay warnings.

diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index ec7b741..8de193c 100644 (file)
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,8 @@
+Mon Jun  1 18:18:26 1998  Frank Ch. Eigler  <fche@cygnus.com>
+
+       * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
+       to allay warnings.
+
 start-sanitize-r5900
 Mon Jun  1 10:28:25 1998  Jeffrey A Law  (law@cygnus.com)
 

diff --git a/sim/mips/interp.c b/sim/mips/interp.c
index c09bf5a..3bf532a 100644 (file)
--- a/sim/mips/interp.c
+++ b/sim/mips/interp.c
@@ -489,8 +489,10 @@ sim_open (kind, cb, abfd, argv)
     }
   
   /* start-sanitize-tx3904 */
-  else if(! strcmp(board, BOARD_JMR3904) ||
-         (! strcmp(board, BOARD_JMR3904_DEBUG)))
+#if (WITH_HW)
+  if (board != NULL
+      && (strcmp(board, BOARD_JMR3904) == 0 ||
+         strcmp(board, BOARD_JMR3904_DEBUG) == 0))
     {
       /* match VIRTUAL memory layout of JMR-TX3904 board */
 
@@ -547,6 +549,7 @@ sim_open (kind, cb, abfd, argv)
 
       device_init(sd);
     }
+#endif
   /* end-sanitize-tx3904 */
 
 
@@ -1758,7 +1761,7 @@ signal_exception (SIM_DESC sd,
                  address_word cia,
                  int exception,...)
 {
-  int vector;
+  /* int vector; */
 
 #ifdef DEBUG
   sim_io_printf(sd,"DBG: SignalException(%d) PC = 0x%s\n",exception,pr_addr(cia));
@@ -1915,12 +1918,12 @@ signal_exception (SIM_DESC sd,
         else
           EPC = cia;
         /* FIXME: TLB et.al. */
-        vector = 0x180;
+        /* vector = 0x180; */
        }
      else
        {
         CAUSE = (exception << 2);
-        vector = 0x180;
+        /* vector = 0x180; */
        }
      SR |= status_EXL;
      /* Store exception code into current exception id variable (used
@@ -3350,6 +3353,12 @@ decode_coproc (SIM_DESC sd,
                /* 10 = EntryHi            R4000   VR4100  VR4300 */
                /* 11 = Compare            R4000   VR4100  VR4300 */
                /* 12 = SR                 R4000   VR4100  VR4300 */
+#ifdef SUBTARGET_R3900
+             case 3:
+               /* ignore */
+               break;
+               /* 3 = Config              R3900                  */
+#endif /* SUBTARGET_R3900 */
              case 12:
                if (code == 0x00)
                  GPR[rt] = SR;