--- /dev/null
+/* 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
--- /dev/null
+/* Remote target glue for the Intel 960 ROM monitor.
+ Copyright 1995, 1996 Free Software Foundation, Inc.
+
+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. */
+
+
+#include "defs.h"
+#include "gdbcore.h"
+#include "target.h"
+#include "monitor.h"
+#include "serial.h"
+#include "srec.h"
+#include "xmodem.h"
+
+#if !defined (HAVE_TERMIOS) && !defined (HAVE_TERMIO) && !defined (HAVE_SGTTY)
+#define HAVE_SGTTY
+#endif
+
+#ifdef HAVE_SGTTY
+#include <sys/ioctl.h>
+#endif
+
+#include <sys/types.h> /* Needed by file.h on Sys V */
+#include <sys/file.h>
+#include <signal.h>
+#include <sys/stat.h>
+
+#define USE_GENERIC_LOAD
+
+int quiet = 0; /* 1 => stifle unnecessary messages */
+serial_t mon960_serial;
+char *mon960_ttyname; /* name of tty to talk to mon960 on, or null */
+static struct monitor_ops mon960_cmds;
+
+#ifdef USE_GENERIC_LOAD
+extern void generic_load PARAMS ((char* filename, int from_tty));
+#endif
+static void mon960_open PARAMS ((char *args, int from_tty));
+
+#ifdef USE_GENERIC_LOAD
+static void
+mon960_load_gen (filename, from_tty)
+ char *filename;
+ int from_tty;
+{
+ extern int inferior_pid;
+ generic_load (filename, from_tty);
+ /* Finally, make the PC point at the start address */
+ if (exec_bfd)
+ write_pc (bfd_get_start_address (exec_bfd));
+
+ inferior_pid = 0; /* No process now */
+}
+
+#else
+static void
+mon960_load (desc, file, hashmark)
+ serial_t desc;
+ char *file;
+ int hashmark;
+{
+ bfd *abfd;
+ asection *s;
+ char *buffer;
+ int i;
+
+ buffer = alloca (XMODEM_PACKETSIZE);
+ abfd = bfd_openr (file, 0);
+ if (!abfd)
+ {
+ printf_filtered ("Unable to open file %s\n", file);
+ return;
+ }
+ if (bfd_check_format (abfd, bfd_object) == 0)
+ {
+ printf_filtered ("File is not an object file\n");
+ return;
+ }
+ for (s = abfd->sections; s; s = s->next)
+ if (s->flags & SEC_LOAD)
+ {
+ bfd_size_type section_size;
+ printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma,
+ s->vma + s->_raw_size);
+ gdb_flush (gdb_stdout);
+ monitor_printf (mon960_cmds.load, s->vma);
+ if (mon960_cmds.loadresp)
+ monitor_expect (mon960_cmds.loadresp, NULL, 0);
+ xmodem_init_xfer (desc);
+ section_size = bfd_section_size (abfd, s);
+ for (i = 0; i < section_size; i += XMODEM_DATASIZE)
+ {
+ int numbytes;
+ numbytes = min (XMODEM_DATASIZE, section_size - i);
+ bfd_get_section_contents (abfd, s, buffer + XMODEM_DATAOFFSET, i,
+ numbytes);
+ xmodem_send_packet (desc, buffer, numbytes, hashmark);
+ if (hashmark)
+ {
+ putchar_unfiltered ('#');
+ gdb_flush (gdb_stdout);
+ }
+ } /* Per-packet (or S-record) loop */
+ xmodem_finish_xfer (desc);
+ monitor_expect_prompt (NULL, 0);
+ putchar_unfiltered ('\n');
+ } /* Loadable sections */
+ if (hashmark)
+ putchar_unfiltered ('\n');
+}
+#endif
+
+/* This array of registers need to match the indexes used by GDB.
+ This exists because the various ROM monitors use different strings
+ than does GDB, and don't necessarily support all the registers
+ either. So, typing "info reg sp" becomes a "r30". */
+
+/* these correspond to the offsets from tm-* files from config directories */
+/* g0-g14, fp, pfp, sp, rip,r3-15, pc, ac, tc, fp0-3 */
+/* NOTE: "ip" is documented as "ir" in the Mon960 UG. */
+/* NOTE: "ir" can't be accessed... but there's an ip and rip. */
+static char *mon960_regnames[NUM_REGS] = {
+ /* 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",\
+ };
+
+/* Define the monitor command strings. Since these are passed directly
+ through to a printf style function, we may include formatting
+ strings. We also need a CR or LF on the end. */
+
+static struct target_ops mon960_ops;
+
+/* need to pause the monitor for timing reasons, so slow it down */
+static char *mon960_inits[] = {"\n\r\r\r\r\r\r\r\r\r\r\r\r\r\r\n\r\n\r\n", NULL}; /* Exits sub-command mode & download cmds */
+
+static struct monitor_ops mon960_cmds =
+{
+ MO_CLR_BREAK_USES_ADDR
+ | MO_NO_ECHO_ON_OPEN
+ | MO_SEND_BREAK_ON_STOP
+ | MO_GETMEM_READ_SINGLE, /* flags */
+ mon960_inits, /* Init strings */
+ "go\n\r", /* continue command */
+ "st\n\r", /* single step */
+ "\n\r", /* break interrupts the program */
+ NULL, /* set a breakpoint */
+ /* can't use "br" because only 2 hw bps are supported */
+ NULL, /* clear a breakpoint - "de" is for hw bps */
+ NULL, /* clear all breakpoints */
+ NULL, /* fill (start end val) */
+ /* can't use "fi" because it takes words, not bytes */
+ {
+ /* can't use "mb", "md" or "mo" because they require interaction */
+ NULL, /* setmem.cmdb (addr, value) */
+ "md %x %x\n\r", /* setmem.cmdw (addr, value) */
+ NULL, /* setmem.cmdl (addr, value) */
+ NULL, /* setmem.cmdll (addr, value) */
+ NULL, /* setmem.resp_delim */
+ NULL, /* setmem.term */
+ NULL, /* setmem.term_cmd */
+ },
+ {
+ /* since the parsing of multiple bytes is difficult due to
+ interspersed addresses, we'll only read 1 value at a time,
+ even tho these can handle a count */
+ "db %x\n\r", /* getmem.cmdb (addr, #bytes) */
+ "ds %x\n\r", /* getmem.cmdw (addr, #swords) */
+ "di %x\n\r", /* getmem.cmdl (addr, #words) */
+ "dd %x\n\r", /* getmem.cmdll (addr, #dwords) */
+ " : ", /* getmem.resp_delim */
+ NULL, /* getmem.term */
+ NULL, /* getmem.term_cmd */
+ },
+ {
+ "md %s %x\n\r", /* setreg.cmd (name, value) */
+ NULL, /* setreg.resp_delim */
+ NULL, /* setreg.term */
+ NULL /* setreg.term_cmd */
+ },
+ {
+ "di %s\n\r", /* getreg.cmd (name) */
+ " : ", /* getreg.resp_delim */
+ NULL, /* getreg.term */
+ NULL, /* getreg.term_cmd */
+ },
+ "re\n\r", /* dump_registers */
+ "\\(\\w+\\)=\\([0-9a-fA-F]+\\)", /* register_pattern */
+ NULL, /* supply_register */
+#ifdef USE_GENERIC_LOAD
+ NULL, /* load_routine (defaults to SRECs) */
+ NULL, /* download command */
+ NULL, /* load response */
+#else
+ mon960_load, /* load_routine (defaults to SRECs) */
+ "do\n\r", /* download command */
+ "Downloading\n\r", /* load response */
+#endif
+ "=>", /* monitor command prompt */
+ "\n\r", /* end-of-command delimitor */
+ NULL, /* optional command terminator */
+ &mon960_ops, /* target operations */
+ SERIAL_1_STOPBITS, /* number of stop bits */
+ mon960_regnames, /* registers names */
+ MONITOR_OPS_MAGIC /* magic */
+};
+
+/* invoked from monitor.c - opens the serial port */
+static void
+mon960_open (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ char *serial_port_name = args;
+ if (args)
+ {
+ char *cursor = serial_port_name = strsave (args);
+
+ while (*cursor && *cursor != ' ')
+ cursor++;
+
+ if (*cursor)
+ *cursor++ = 0;
+
+ while (*cursor == ' ')
+ cursor++;
+
+ }
+ monitor_open (serial_port_name, &mon960_cmds, from_tty);
+}
+
+
+void
+_initialize_mon960 ()
+{
+ init_monitor_ops (&mon960_ops);
+
+ mon960_ops.to_shortname = "mon960"; /* for the target command */
+ mon960_ops.to_longname = "Intel 960 rom monitor";
+#ifdef USE_GENERIC_LOAD
+ mon960_ops.to_load = mon960_load_gen; /* FIXME - should go back and try "do" */
+#endif
+ /* use SW breaks; target only supports 2 HW breakpoints */
+ mon960_ops.to_insert_breakpoint = memory_insert_breakpoint;
+ mon960_ops.to_remove_breakpoint = memory_remove_breakpoint;
+
+ mon960_ops.to_doc =
+ "Debug on an Intel 960 eval board running the Mon960 rom monitor.\n"
+ "Specify the serial device it is connected to (e.g. /dev/ttya).";
+
+ mon960_ops.to_open = mon960_open;
+ add_target (&mon960_ops);
+}
+
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