diff -uNr gdb-6.7.1.orig/sim/erc32/erc32.c gdb-6.7.1/sim/erc32/erc32.c
--- gdb-6.7.1.orig/sim/erc32/erc32.c	1999-04-16 03:35:00.000000000 +0200
+++ gdb-6.7.1/sim/erc32/erc32.c	2007-12-16 09:11:43.000000000 +0100
@@ -24,6 +24,7 @@
 
 #include <sys/types.h>
 #include <stdio.h>
+#include <string.h>
 #include <termios.h>
 #include <sys/fcntl.h>
 #include <sys/file.h>
@@ -413,7 +414,7 @@
     if (rom8) mec_memcfg &= ~0x20000;
     else mec_memcfg |= 0x20000;
 
-    mem_ramsz = (256 * 1024) << ((mec_memcfg >> 10) & 7);
+    mem_ramsz = (512 * 1024) << ((mec_memcfg >> 10) & 7);
     mem_romsz = (128 * 1024) << ((mec_memcfg >> 18) & 7);
 
     if (sparclite_board) {
@@ -1659,7 +1660,7 @@
 	errmec = 0;
 	return(1);
     }
-#endif;
+#endif
 
     if ((addr >= mem_ramstart) && (addr < (mem_ramstart + mem_ramsz))) {
 	fetch_bytes (asi, &ramb[addr & mem_rammask], data, sz);
@@ -1736,7 +1737,7 @@
 	errmec = 0;
 	return(1);
     }
-#endif;
+#endif
 
     if ((addr >= mem_ramstart) && (addr < (mem_ramstart + mem_ramsz))) {
 	if (mem_accprot) {
diff -uNr gdb-6.7.1.orig/sim/erc32/exec.c gdb-6.7.1/sim/erc32/exec.c
--- gdb-6.7.1.orig/sim/erc32/exec.c	2005-03-07 12:09:05.000000000 +0100
+++ gdb-6.7.1/sim/erc32/exec.c	2007-12-16 09:11:43.000000000 +0100
@@ -1713,7 +1713,7 @@
     	    sregs->fdp[rs2 | 1] = sregs->fs[rs2 & ~1];
     	    sregs->fdp[rs2 & ~1] = sregs->fs[rs2 | 1];
     default:
-      ;
+      break;
     }
 #endif
 
@@ -1886,7 +1886,7 @@
 	sregs->fs[rd & ~1] = sregs->fdp[rd | 1];
 	sregs->fs[rd | 1] = sregs->fdp[rd & ~1];
     default:
-      ;
+      break;
     }
 #endif
     if (sregs->fpstate == FP_EXC_PE) {
diff -uNr gdb-6.7.1.orig/sim/erc32/Makefile.in gdb-6.7.1/sim/erc32/Makefile.in
--- gdb-6.7.1.orig/sim/erc32/Makefile.in	2007-08-24 16:28:35.000000000 +0200
+++ gdb-6.7.1/sim/erc32/Makefile.in	2007-12-16 09:11:44.000000000 +0100
@@ -18,8 +18,10 @@
 
 ## COMMON_PRE_CONFIG_FRAG
 
-TERMCAP_LIB = @TERMCAP@
-READLINE_LIB = @READLINE@
+# TERMCAP_LIB = @TERMCAP_LIB@
+TERMCAP_LIB = -lncurses
+# READLINE_LIB = @READLINE_LIB@
+READLINE_LIB = -lreadline
 
 SIM_OBJS = exec.o erc32.o func.o help.o float.o interf.o
 SIM_EXTRA_LIBS = $(READLINE_LIB) $(TERMCAP_LIB) -lm
diff -uNr gdb-6.7.1.orig/sim/ppc/ppc-instructions gdb-6.7.1/sim/ppc/ppc-instructions
--- gdb-6.7.1.orig/sim/ppc/ppc-instructions	2006-11-29 16:20:55.000000000 +0100
+++ gdb-6.7.1/sim/ppc/ppc-instructions	2007-12-16 09:11:44.000000000 +0100
@@ -3402,6 +3402,14 @@
 	    case spr_dec:
 	      *rT = cpu_get_decrementer(processor);
 	      break;
+		case spr_tbrl:
+	  	  if (is_64bit_implementation) *rT = TB;
+	  	  else                         *rT = EXTRACTED64(TB, 32, 63);
+		break;
+		case spr_tbru:
+	  	  if (is_64bit_implementation) *rT = EXTRACTED64(TB, 0, 31);
+		  else                         *rT = EXTRACTED64(TB, 0, 31);
+		break;
 	    case spr_tbu:
 	    case spr_tbl:
 	      /* NOTE - these SPR's are not readable. Use mftb[ul] */
diff -uNr gdb-6.7.1.orig/sim/ppc/ppc-spr-table gdb-6.7.1/sim/ppc/ppc-spr-table
--- gdb-6.7.1.orig/sim/ppc/ppc-spr-table	2003-06-22 18:48:12.000000000 +0200
+++ gdb-6.7.1/sim/ppc/ppc-spr-table	2007-12-16 09:11:44.000000000 +0100
@@ -32,6 +32,8 @@
 SRR0:26:0:0
 SRR1:27:0:0
 VRSAVE:256:0:0
+TBRL:268:0:0
+TBRU:269:0:0
 SPRG0:272:0:0
 SPRG1:273:0:0
 SPRG2:274:0:0