inferior_ptid. */
static ptid_t remote_mips_ptid;
+/* Close any ports which might be open. Reset certain globals indicating
+ the state of those ports. */
+
static void
close_ports (void)
{
all hell to break loose--the rest of GDB will tend to get left in an
inconsistent state. */
-static NORETURN void
+static void ATTRIBUTE_NORETURN
mips_error (char *string,...)
{
va_list args;
static int state = 0;
int mips_monitor_prompt_len = strlen (mips_monitor_prompt);
- {
+ { /* FIXME this whole block is dead code! */
int i;
i = timeout;
return rresponse;
}
+/* Cleanup associated with mips_initialize(). */
+
static void
mips_initialize_cleanups (void *arg)
{
mips_initializing = 0;
}
+/* Cleanup associated with mips_exit_debug(). */
+
static void
mips_exit_cleanups (void *arg)
{
mips_exiting = 0;
}
+/* Send a command and wait for that command to be echoed back. Wait,
+ too, for the following prompt. */
+
static void
mips_send_command (const char *cmd, int prompt)
{
}
/* Enter remote (dbx) debug mode: */
+
static void
mips_enter_debug (void)
{
{
char buff[DATA_MAXLEN + 1];
+
if (mips_receive_packet (buff, 1, 3) < 0)
mips_error ("Failed to initialize (didn't receive packet).");
}
}
/* Exit remote (dbx) debug mode, returning to the monitor prompt: */
+
static int
mips_exit_debug (void)
{
}
/* Open a connection to the remote board. */
+
static void
common_open (struct target_ops *ops, char *name, int from_tty,
enum mips_monitor_type new_monitor,
xfree (serial_port_name);
}
+/* Open a connection to an IDT board. */
+
static void
mips_open (char *name, int from_tty)
{
common_open (&mips_ops, name, from_tty, MON_IDT, monitor_prompt);
}
+/* Open a connection to a PMON board. */
+
static void
pmon_open (char *name, int from_tty)
{
common_open (&pmon_ops, name, from_tty, MON_PMON, "PMON> ");
}
+/* Open a connection to a DDB board. */
+
static void
ddb_open (char *name, int from_tty)
{
common_open (&rockhopper_ops, name, from_tty, MON_ROCKHOPPER, "NEC01>");
}
+/* Open a connection to an LSI board. */
+
static void
lsi_open (char *name, int from_tty)
{
/* Return the signal corresponding to SIG, where SIG is the number which
the MIPS protocol uses for the signal. */
+
static enum target_signal
mips_signal_from_protocol (int sig)
{
/* If PMON doesn't support this register, don't waste serial
bandwidth trying to read it. */
int pmon_reg = mips_map_regno (gdbarch, regno);
+
if (regno != 0 && pmon_reg == 0)
val = 0;
else
for (i = 0; i < count; i++, addr += 4)
{
int word;
+
word = extract_unsigned_integer (&buffer[i * 4], 4, byte_order);
status = mips_store_word (addr, word, NULL);
/* Report each kilobyte (we download 32-bit words at a time) */
return memory_insert_breakpoint (gdbarch, bp_tgt);
}
+/* Remove a breakpoint. */
+
static int
mips_remove_breakpoint (struct gdbarch *gdbarch,
struct bp_target_info *bp_tgt)
watchpoint. */
int
-mips_insert_watchpoint (CORE_ADDR addr, int len, int type)
+mips_insert_watchpoint (CORE_ADDR addr, int len, int type,
+ struct expression *cond)
{
if (mips_set_breakpoint (addr, len, type))
return -1;
return 0;
}
+/* Remove a watchpoint. */
+
int
-mips_remove_watchpoint (CORE_ADDR addr, int len, int type)
+mips_remove_watchpoint (CORE_ADDR addr, int len, int type,
+ struct expression *cond)
{
if (mips_clear_breakpoint (addr, len, type))
return -1;
return 0;
}
+/* Test to see if a watchpoint has been hit. Return 1 if so; return 0,
+ if not. */
+
int
mips_stopped_by_watchpoint (void)
{
if (monitor_warnings)
{
int found = 0;
+
for (err = lsi_warning_table; err->code != 0; err++)
{
if ((err->code & rerrflg) == err->code)
if (set) /* set a breakpoint */
{
char *flags;
+
switch (type)
{
case BREAK_WRITE: /* write */
return 0;
}
\f
+/* Send one S record as specified by SREC of length LEN, starting
+ at ADDR. Note, however, that ADDR is not used except to provide
+ a useful message to the user in the event that a NACK is received
+ from the board. */
+
static void
send_srec (char *srec, int len, CORE_ADDR addr)
{
at a time (range 0..63). Keep a checksum if required (passed
pointer non-NULL). The function returns the number of encoded
characters written into the buffer. */
+
static int
pmon_makeb64 (unsigned long v, char *p, int n, int *chksum)
{
/* Shorthand function (that could be in-lined) to output the zero-fill
escape sequence into the data stream. */
+
static int
pmon_zeroset (int recsize, char **buff, int *amount, unsigned int *chksum)
{
return (recsize + count + 2);
}
+/* Add the checksum specified by *VALUE to end of the record under
+ construction. *BUF specifies the location at which to begin
+ writing characters comprising the checksum information. RECSIZE
+ specifies the size of the record constructed thus far. (A trailing
+ NUL character may be present in the buffer holding the record, but
+ the record size does not include this character.)
+
+ Return the total size of the record after adding the checksum escape,
+ the checksum itself, and the trailing newline.
+
+ The checksum specified by *VALUE is zeroed out prior to returning.
+ Additionally, *BUF is updated to refer to the location just beyond
+ the record elements added by this call. */
+
static int
pmon_checkset (int recsize, char **buff, int *value)
{
/* NOTE: This constant depends on the monitor being used. This value
is for PMON 5.x on the Cogent Vr4300 board. */
+/* Create a FastLoad format record.
+
+ *OUTBUF is the buffer into which a FastLoad formatted record is
+ written. On return, the pointer position represented by *OUTBUF
+ is updated to point at the end of the data, i.e. the next position
+ in the buffer that may be written. No attempt is made to NUL-
+ terminate this portion of the record written to the buffer.
+
+ INBUF contains the binary input data from which the FastLoad
+ formatted record will be built. *INPTR is an index into this
+ buffer. *INPTR is updated as the input is consumed. Thus, on
+ return, the caller has access to the position of the next input
+ byte yet to be processed. INAMOUNT is the size, in bytes, of the
+ input data.
+
+ *RECSIZE will be written with the size of the record written to the
+ output buffer prior to returning. This size does not include a
+ NUL-termination byte as none is written to the output buffer.
+
+ *CSUM is the output buffer checksum. It is updated as data is
+ written to the output buffer.
+
+ *ZEROFILL is the current number of 3-byte zero sequences that have
+ been encountered. It is both an input and an output to this
+ function. */
+
static void
pmon_make_fastrec (char **outbuf, unsigned char *inbuf, int *inptr,
int inamount, int *recsize, unsigned int *csum,
else
{
unsigned int value = ((inbuf[*inptr + 0] << 16) | (inbuf[*inptr + 1] << 8) | inbuf[*inptr + 2]);
+
/* Simple check for zero data. TODO: A better check would be
to check the last, and then the middle byte for being zero
(if the first byte is not). We could then check for
return;
}
+/* Attempt to read an ACK. If an ACK is not read in a timely manner,
+ output the message specified by MESG. Return -1 for failure, 0
+ for success. */
+
static int
pmon_check_ack (char *mesg)
{
}
}
+/* Look for the string specified by STRING sent from the target board
+ during a download operation. If the string in question is not
+ seen, output an error message, remove the temporary file, if
+ appropriate, and return 0. Otherwise, return 1 to indicate
+ success. */
+
static int
mips_expect_download (char *string)
{
return 1;
}
+/* Look for messages from the target board associated with the entry
+ address.
+
+ NOTE: This function doesn't indicate success or failure, so we
+ have no way to determine whether or not the output from the board
+ was correctly seen. However, given that other items are checked
+ after this, it seems unlikely that those checks will pass if this
+ check doesn't first (silently) pass. */
+
static void
pmon_check_entry_address (char *entry_address, int final)
{
char hexnumber[9]; /* includes '\0' space */
+
mips_expect_timeout (entry_address, tftp_in_use ? 15 : remote_timeout);
sprintf (hexnumber, "%x", final);
mips_expect (hexnumber);
mips_expect ("\r\n");
}
+/* Look for messages from the target board showing the total number of
+ bytes downloaded to the board. Output 1 for success if the tail
+ end of the message was read correctly, 0 otherwise. */
+
static int
pmon_check_total (int bintotal)
{
char hexnumber[9]; /* includes '\0' space */
+
mips_expect ("\r\ntotal = 0x");
sprintf (hexnumber, "%x", bintotal);
mips_expect (hexnumber);
return mips_expect_download (" bytes\r\n");
}
+/* Look for the termination messages associated with the end of
+ a download to the board.
+
+ Also, when `tftp_in_use' is set, issue the load command to the
+ board causing the file to be transferred. (This is done prior
+ to looking for the above mentioned termination messages.) */
+
static void
pmon_end_download (int final, int bintotal)
{
remove (tftp_localname); /* Remove temporary file */
}
+/* Write the buffer specified by BUFFER of length LENGTH to either
+ the board or the temporary file that'll eventually be transferred
+ to the board. */
+
static void
pmon_download (char *buffer, int length)
{
serial_write (udp_in_use ? udp_desc : mips_desc, buffer, length);
}
+/* Open object or executable file, FILE, and send it to the board
+ using the FastLoad format. */
+
static void
pmon_load_fast (char *file)
{
\f
extern initialize_file_ftype _initialize_remote_mips; /* -Wmissing-prototypes */
+/* Initialize mips_ops, lsi_ops, ddb_ops, pmon_ops, and rockhopper_ops.
+ Create target specific commands and perform other initializations
+ specific to this file. */
+
void
_initialize_remote_mips (void)
{
projects / binutils-gdb.git / blobdiff