static void pmon_open PARAMS ((char *name, int from_tty));
+static void cairo_open PARAMS ((char *name, int from_tty));
+
static void mips_close PARAMS ((int quitting));
static void mips_detach PARAMS ((char *args, int from_tty));
/* Forward declarations. */
extern struct target_ops mips_ops;
extern struct target_ops pmon_ops;
+extern struct target_ops cairo_ops;
\f
/* The MIPS remote debugging interface is built on top of a simple
packet protocol. Each packet is organized as follows:
/* IDT/SIM monitor being used: */
MON_IDT,
/* PMON monitor being used: */
- MON_PMON,
+ MON_PMON, /* 3.0.83 [COGENT,EB,FP,NET] Algorithmics Ltd. Nov 9 1995 17:19:50 */
+ MON_CAIRO, /* 2.7.473 [Cairo ,EL,FP,NET] Risq Modular Systems, Thu Jun 6 09:28:40 PDT 1996 */
/* Last and unused value, for sizing vectors, etc. */
MON_LAST
};
mips_send_seq = 0;
mips_receive_seq = 0;
- if (mips_monitor == MON_PMON)
+ if (mips_monitor == MON_PMON || mips_monitor == MON_CAIRO)
mips_send_command ("debug\015", 0);
else /* assume IDT monitor by default */
mips_send_command ("db tty0\015", 0);
mips_receive_header will eat up a reasonable number of characters
whilst looking for the SYN, however this avoids the "garbage"
being displayed to the user. */
- if (mips_monitor == MON_PMON)
+ if (mips_monitor == MON_PMON || mips_monitor == MON_CAIRO)
mips_expect ("\015");
{
{
int err;
- mips_request ('x', (unsigned int) 0, (unsigned int) 0, &err,
+ if (mips_monitor == MON_CAIRO)
+ {
+ /* The Cairo version of PMON exits immediately, so we do not get
+ a reply to this command: */
+ mips_request ('x', (unsigned int) 0, (unsigned int) 0, NULL,
mips_receive_wait, NULL);
+ mips_need_reply = 0;
+ if (!mips_expect (" break!"))
+ return -1;
+ }
+ else
+ mips_request ('x', (unsigned int) 0, (unsigned int) 0, &err,
+ mips_receive_wait, NULL);
if (mips_monitor == MON_PMON && !mips_expect ("Exiting remote debug mode"))
return -1;
- if (!mips_expect ("\015\012"))
- return -1;
+ if (mips_monitor == MON_CAIRO)
+ {
+ if (!mips_expect ("\012"))
+ return -1;
+ }
+ else
+ if (!mips_expect ("\015\012"))
+ return -1;
if (!mips_expect (mips_monitor_prompt))
return -1;
/* Force the system into the monitor. After this we *should* be at
the mips_monitor_prompt. */
- if (mips_monitor == MON_PMON)
+ if (mips_monitor == MON_PMON || mips_monitor == MON_CAIRO)
j = 0; /* start by checking if we are already at the prompt */
else
j = 1; /* start by sending a break */
break;
case 3: /* Then, try escaping from download */
{
- if (mips_monitor == MON_PMON)
+ if (mips_monitor == MON_PMON || mips_monitor == MON_CAIRO)
{
char tbuff[7];
break;
}
- if (mips_monitor == MON_PMON)
+ if (mips_monitor == MON_PMON || mips_monitor == MON_CAIRO)
{
/* Ensure the correct target state: */
mips_send_command ("set regsize 64\015", -1);
common_open (&pmon_ops, name, from_tty);
}
+static void
+cairo_open (name, from_tty)
+ char *name;
+ int from_tty;
+{
+ /* The PMON monitor has a prompt different from the default
+ "TARGET_MONITOR_PROMPT": */
+ mips_monitor_prompt = "NEC010>";
+ mips_monitor = MON_CAIRO;
+ common_open (&cairo_ops, name, from_tty);
+}
/* Close a connection to the remote board. */
val = 0;
else
{
-#if 0 /* Unfortunately the PMON version in the Vr4300 board has been
+ /* Unfortunately the PMON version in the Vr4300 board has been
compiled without the 64bit register access commands. This
means we cannot get hold of the full register width. */
- if (mips_monitor == MON_PMON)
- val = mips_request ('t', (unsigned int) mips_map_regno (regno),
+ if (mips_monitor == MON_CAIRO)
+ val = (unsigned)mips_request ('t', (unsigned int) mips_map_regno (regno),
(unsigned int) 0, &err, mips_receive_wait, NULL);
else
-#endif
- val = mips_request ('r', (unsigned int) mips_map_regno (regno),
+ val = (unsigned)mips_request ('r', (unsigned int) mips_map_regno (regno),
(unsigned int) 0, &err, mips_receive_wait, NULL);
if (err)
mips_error ("Can't read register %d: %s", regno,
if (rerrflg != 0)
{
+ /* Cairo returns "0x0 b 0x16 0x0\000", whereas
+ Cogent returns "0x0 b 0xffffffff 0x16\000": */
+ if (mips_monitor == MON_CAIRO)
+ rresponse = rerrflg;
if (rresponse != 22) /* invalid argument */
fprintf_unfiltered (stderr, "common_breakpoint (0x%x): Got error: 0x%x\n",
- addr, rresponse);
+ (unsigned int)addr, rresponse);
return 1;
}
bintotal += s->_raw_size;
final = (s->vma + s->_raw_size);
- printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma,
- s->vma + s->_raw_size);
+ printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, (unsigned int)s->vma,
+ (unsigned int)(s->vma + s->_raw_size));
gdb_flush (gdb_stdout);
/* Output the starting address */
if (mips_exit_debug ())
error ("mips_load: Couldn't get into monitor mode.");
- if (mips_monitor == MON_PMON)
+ if (mips_monitor == MON_PMON || mips_monitor == MON_CAIRO)
pmon_load_fast (file);
else
mips_load_srec (file);
OPS_MAGIC /* to_magic */
};
\f
+/* Another alternative target vector. This is a PMON system, but with
+ a different monitor prompt, aswell as some other operational
+ differences: */
+struct target_ops cairo_ops =
+{
+ "cairo", /* to_shortname */
+ "Remote MIPS debugging over serial line", /* to_longname */
+ "\
+Debug a board using the PMON MIPS remote debugging protocol over a serial\n\
+line. The argument is the device it is connected to or, if it contains a\n\
+colon, HOST:PORT to access a board over a network", /* to_doc */
+ cairo_open, /* to_open */
+ mips_close, /* to_close */
+ NULL, /* to_attach */
+ mips_detach, /* to_detach */
+ mips_resume, /* to_resume */
+ pmon_wait, /* to_wait */
+ mips_fetch_registers, /* to_fetch_registers */
+ mips_store_registers, /* to_store_registers */
+ mips_prepare_to_store, /* to_prepare_to_store */
+ mips_xfer_memory, /* to_xfer_memory */
+ mips_files_info, /* to_files_info */
+ mips_insert_breakpoint, /* to_insert_breakpoint */
+ mips_remove_breakpoint, /* to_remove_breakpoint */
+ NULL, /* to_terminal_init */
+ NULL, /* to_terminal_inferior */
+ NULL, /* to_terminal_ours_for_output */
+ NULL, /* to_terminal_ours */
+ NULL, /* to_terminal_info */
+ mips_kill, /* to_kill */
+ mips_load, /* to_load */
+ NULL, /* to_lookup_symbol */
+ mips_create_inferior, /* to_create_inferior */
+ mips_mourn_inferior, /* to_mourn_inferior */
+ NULL, /* to_can_run */
+ NULL, /* to_notice_signals */
+ 0, /* to_thread_alive */
+ 0, /* to_stop */
+ process_stratum, /* to_stratum */
+ NULL, /* to_next */
+ 1, /* to_has_all_memory */
+ 1, /* to_has_memory */
+ 1, /* to_has_stack */
+ 1, /* to_has_registers */
+ 1, /* to_has_execution */
+ NULL, /* sections */
+ NULL, /* sections_end */
+ OPS_MAGIC /* to_magic */
+};
+\f
void
_initialize_remote_mips ()
{
add_target (&mips_ops);
add_target (&pmon_ops);
+ add_target (&cairo_ops);
add_show_from_set (
add_set_cmd ("timeout", no_class, var_zinteger,
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