From: Frank Ch. Eigler <fche@redhat.com>
Date: Mon, 1 Jun 1998 16:29:43 +0000 (+0000)
Subject: * Small TX39-only patch for ECC.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=29b5afe9afd7c259f878bdd9c558afc66edecc7d;p=binutils-gdb.git

* 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 ec7b741b7ad..8de193ce96b 100644
--- 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 c09bf5a2182..3bf532a54b1 100644
--- 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;