* mon960-rom.c: New file; support mon960 rom monitor on i960.

       * monitor.c (monitor_debug): Change remotedebug to buffer strings.
       * monitor.c (monitor_open): Add test for flag MO_NO_ECHO_ON_OPEN before
       epecting prompt and echo during open.
       * monitor.c (monitor_stop): Add test for flag MO_SEND_BREAK_ON_OPEN to
       determine if break should be sent as stop command.
       * monitor.h: Add flags MO_NO_ECHO_ON_OPEN and MO_SEND_BREAK_ON_OPEN.
       * i960-tdep.c (mon960_frame_chain_valid): New function for getting
       stack frame on mon960.
       * Makefile.in: Add mon960 files.
       * configure.in: Changed i960-*-coff* and i960-*-elf* to target mon960;
       added i960-nindy-coff* and i960-nindy-elf* for target nindy.
       * configure: Regenerated.
       * config/i960/mon960.mt, config/i960/tm-mon960.h: New files;
       support mon960 rom monitor on i960.

2 files changed, 96 insertions, 0 deletions

diff --git a/gdb/config/i960/mon960.mt b/gdb/config/i960/mon960.mt
new file mode 100644
index 0000000..7095ed6
--- /dev/null
+++ b/gdb/config/i960/mon960.mt
@@ -0,0 +1,4 @@
+# Target: Intel 960 rom monitor
+TDEPFILES= i960-tdep.o monitor.o mon960-rom.o ttyflush.o xmodem.o dsrec.o
+TM_FILE= tm-mon960.h
+
diff --git a/gdb/config/i960/tm-mon960.h b/gdb/config/i960/tm-mon960.h
new file mode 100644
index 0000000..eda15cd
--- /dev/null
+++ b/gdb/config/i960/tm-mon960.h
@@ -0,0 +1,92 @@
+/* Parameters for Intel 960 running MON960 monitor, for GDB, the GNU debugger.
+   Copyright (C) 1990-1991 Free Software Foundation, Inc.
+   Contributed by Intel Corporation and Cygnus Support.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/*****************************************************************************
+ * Definitions to target GDB to an i960 debugged over a serial line.
+ ******************************************************************************/
+
+#include "i960/tm-i960.h"
+
+/* redefined from tm-i960.h */
+/* Number of machine registers */
+#undef NUM_REGS 
+#define NUM_REGS 40
+
+/* Initializer for an array of names of registers.
+   There should be NUM_REGS strings in this initializer.  */
+#undef REGISTER_NAMES 
+#define REGISTER_NAMES { \
+	/*  0 */ "pfp", "sp",  "rip", "r3",  "r4",  "r5",  "r6",  "r7", \
+	/*  8 */ "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",\
+	/* 16 */ "g0",  "g1",  "g2",  "g3",  "g4",  "g5",  "g6",  "g7", \
+	/* 24 */ "g8",  "g9",  "g10", "g11", "g12", "g13", "g14", "fp", \
+	/* 32 */ "pc",  "ac",  "tc",  "ip",  "fp0", "fp1", "fp2", "fp3",\
+}
+
+
+/* Override the standard gdb prompt when compiled for this target.  */
+
+#define	DEFAULT_PROMPT	"(gdb960) "
+
+/* Additional command line options accepted by mon960 gdb's, for handling
+   the remote-mon960.c interface.  These should really be target-specific
+   rather than architecture-specific.  */
+
+/* FIXME - should use this instead of the "send_break" hack in monitor.c */
+extern int mon960_initial_brk;	/* Send a BREAK to reset board first */
+extern char *mon960_ttyname;	/* Name of serial port to talk to mon960 */
+
+#define	ADDITIONAL_OPTIONS \
+	/* FIXME {"brk", no_argument, &mon960_initial_brk, 1}, */	\
+	{"ser", required_argument, 0, 1004},  /* 1004 is magic cookie for ADDL_CASES */
+
+#define	ADDITIONAL_OPTION_CASES	\
+	case 1004:	/* -ser option:  remote mon960 auto-start */	\
+	  mon960_ttyname = optarg;	\
+	  break;
+
+#define	ADDITIONAL_OPTION_HELP \
+	"\
+  /* FIXME - -brk              Send a break to a Mon960 target to reset it.\n*/\
+  -ser SERIAL       Open remote Mon960 session to SERIAL port.\n\
+"
+
+/* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one
+   and has no caller.
+
+   On the i960, each various target system type defines FRAME_CHAIN_VALID,
+   since it differs between Nindy, Mon960 and VxWorks, the currently supported
+   targets types.  */
+
+#define	FRAME_CHAIN_VALID(chain, thisframe) \
+	mon960_frame_chain_valid (chain, thisframe)
+
+extern int
+mon960_frame_chain_valid();		/* See i960-tdep.c */
+
+/* Sequence of bytes for breakpoint instruction */
+
+#define BREAKPOINT {0x00, 0x3e, 0x00, 0x66}
+
+/* Amount ip must be decremented by after a breakpoint.
+ * This is often the number of bytes in BREAKPOINT but not always.
+ */
+
+#define DECR_PC_AFTER_BREAK 4