/* Target communications support for Macraigor Systems' On-Chip Debugging
- Copyright 1996, 1997, 2001 Free Software Foundation, Inc.
+
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004 Free
+ Software Foundation, Inc.
This file is part of GDB.
static int ocd_read_bytes (CORE_ADDR memaddr, char *myaddr, int len);
-static int ocd_start_remote (PTR dummy);
+static int ocd_start_remote (void *dummy);
static int readchar (int timeout);
-static void reset_packet (void);
-
-static void output_packet (void);
-
-static int get_quoted_char (int timeout);
-
-static void put_quoted_char (int c);
-
static void ocd_interrupt (int signo);
static void ocd_interrupt_twice (int signo);
static int last_run_status;
-/* This was 5 seconds, which is a long time to sit and wait.
- Unless this is going though some terminal server or multiplexer or
- other form of hairy serial connection, I would think 2 seconds would
- be plenty. */
-
-#if 0
-/* FIXME: Change to allow option to set timeout value on a per target
- basis. */
-static int remote_timeout = 2;
-#endif
-
/* Descriptor for I/O to remote machine. Initialize it to NULL so that
ocd_open knows that we don't have a file open when the program
starts. */
-static serial_t ocd_desc = NULL;
+static struct serial *ocd_desc = NULL;
\f
void
ocd_error (char *s, int error_code)
s = buf;
}
- error (s);
+ error ("%s", s);
}
/* Return nonzero if the thread TH is still alive on the remote system. */
int
-ocd_thread_alive (int th)
+ocd_thread_alive (ptid_t th)
{
return 1;
}
\f
/* Clean up connection to a remote debugger. */
-/* ARGSUSED */
void
ocd_close (int quitting)
{
if (ocd_desc)
- SERIAL_CLOSE (ocd_desc);
+ serial_close (ocd_desc);
ocd_desc = NULL;
}
/* Stub for catch_errors. */
static int
-ocd_start_remote (PTR dummy)
+ocd_start_remote (void *dummy)
{
unsigned char buf[10], *p;
int pktlen;
immediate_quit++; /* Allow user to interrupt it */
- SERIAL_SEND_BREAK (ocd_desc); /* Wake up the wiggler */
+ serial_send_break (ocd_desc); /* Wake up the wiggler */
speed = 80; /* Divide clock by 4000 */
printf_unfiltered ("[Wiggler version %x.%x, capability 0x%x]\n",
p[0], p[1], (p[2] << 16) | p[3]);
-#if 0
- /* Reset the target */
-
- ocd_do_command (OCD_RESET_RUN, &status, &pktlen);
-/* ocd_do_command (OCD_RESET, &status, &pktlen); */
-#endif
-
/* If processor is still running, stop it. */
if (!(status & OCD_FLAG_BDM))
ocd_stop ();
-#if 1
/* When using a target box, we want to asynchronously return status when
target stops. The OCD_SET_CTL_FLAGS command is ignored by Wigglers.dll
when using a parallel Wiggler */
if (error_code != 0)
ocd_error ("OCD_SET_CTL_FLAGS:", error_code);
-#endif
immediate_quit--;
flush_cached_frames ();
registers_changed ();
stop_pc = read_pc ();
- set_current_frame (create_new_frame (read_fp (), stop_pc));
- select_frame (get_current_frame (), 0);
- print_stack_frame (selected_frame, -1, 1);
+ print_stack_frame (get_selected_frame (), 0, SRC_AND_LOC);
buf[0] = OCD_LOG_FILE;
buf[1] = 3; /* close existing WIGGLERS.LOG */
unpush_target (current_ops);
- if (strncmp (name, "wiggler", 7) == 0)
- {
- ocd_desc = SERIAL_OPEN ("ocd");
- if (!ocd_desc)
- perror_with_name (name);
-
- buf[0] = OCD_LOG_FILE;
- buf[1] = 1; /* open new or overwrite existing WIGGLERS.LOG */
- ocd_put_packet (buf, 2);
- p = ocd_get_packet (buf[0], &pktlen, remote_timeout);
-
- buf[0] = OCD_SET_CONNECTION;
- buf[1] = 0x01; /* atoi (name[11]); */
- ocd_put_packet (buf, 2);
- p = ocd_get_packet (buf[0], &pktlen, remote_timeout);
- }
- else
- /* not using Wigglers.dll */
- {
- ocd_desc = SERIAL_OPEN (name);
- if (!ocd_desc)
- perror_with_name (name);
- }
+ ocd_desc = serial_open (name);
+ if (!ocd_desc)
+ perror_with_name (name);
if (baud_rate != -1)
{
- if (SERIAL_SETBAUDRATE (ocd_desc, baud_rate))
+ if (serial_setbaudrate (ocd_desc, baud_rate))
{
- SERIAL_CLOSE (ocd_desc);
+ serial_close (ocd_desc);
perror_with_name (name);
}
}
- SERIAL_RAW (ocd_desc);
+ serial_raw (ocd_desc);
/* If there is something sitting in the buffer we might take it as a
response to a command, which would be bad. */
- SERIAL_FLUSH_INPUT (ocd_desc);
+ serial_flush_input (ocd_desc);
if (from_tty)
{
variables, especially since GDB will someday have a notion of debugging
several processes. */
- inferior_pid = 42000;
+ inferior_ptid = pid_to_ptid (42000);
/* Start the remote connection; if error (0), discard this target.
In particular, if the user quits, be sure to discard it
(we'd be in an inconsistent state otherwise). */
/* Tell the remote machine to resume. */
void
-ocd_resume (int pid, int step, enum target_signal siggnal)
+ocd_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
int pktlen;
Give up (and stop debugging it)? "))
{
target_mourn_inferior ();
- return_to_top_level (RETURN_QUIT);
+ throw_exception (RETURN_QUIT);
}
target_terminal_inferior ();
nonzero. Returns length of data written or read; 0 for error. TARGET
is ignored. */
-/* ARGSUSED */
int
ocd_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int should_write,
- struct target_ops *target)
+ struct mem_attrib *attrib, struct target_ops *target)
{
int res;
{
int ch;
- ch = SERIAL_READCHAR (ocd_desc, timeout);
+ ch = serial_readchar (ocd_desc, timeout);
switch (ch)
{
}
}
-#if 0
-/* Read a character from the data stream, dequoting as necessary. SYN is
- treated special. Any SYNs appearing in the data stream are returned as the
- distinct value RAW_SYN (which has a value > 8 bits and therefore cannot be
- mistaken for real data). */
-
-static int
-get_quoted_char (int timeout)
-{
- int ch;
-
- ch = readchar (timeout);
-
- switch (ch)
- {
- case SERIAL_TIMEOUT:
- error ("Timeout in mid-packet, aborting");
- case SYN:
- return RAW_SYN;
- case DLE:
- ch = readchar (timeout);
- if (ch == SYN)
- return RAW_SYN;
- return ch & ~0100;
- default:
- return ch;
- }
-}
-
-static unsigned char pkt[256 * 2 + 10], *pktp; /* Worst case */
-
-static void
-reset_packet (void)
-{
- pktp = pkt;
-}
-
-static void
-output_packet (void)
-{
- if (SERIAL_WRITE (ocd_desc, pkt, pktp - pkt))
- perror_with_name ("output_packet: write failed");
-
- reset_packet ();
-}
-
-/* Output a quoted character. SYNs and DLEs are quoted. Everything else goes
- through untouched. */
-
-static void
-put_quoted_char (int c)
-{
- switch (c)
- {
- case SYN:
- case DLE:
- *pktp++ = DLE;
- c |= 0100;
- }
-
- *pktp++ = c;
-}
-
-/* Send a packet to the OCD device. The packet framed by a SYN character,
- a byte count and a checksum. The byte count only counts the number of
- bytes between the count and the checksum. A count of zero actually
- means 256. Any SYNs within the packet (including the checksum and
- count) must be quoted. The quote character must be quoted as well.
- Quoting is done by replacing the character with the two-character sequence
- DLE, {char} | 0100. Note that the quoting mechanism has no effect on the
- byte count. */
-
-static void
-stu_put_packet (unsigned char *buf, int len)
-{
- unsigned char checksum;
- unsigned char c;
-
- if (len == 0 || len > 256)
- internal_error (__FILE__, __LINE__, "failed internal consistency check"); /* Can't represent 0 length packet */
-
- reset_packet ();
-
- checksum = 0;
-
- put_quoted_char (RAW_SYN);
-
- c = len;
-
- do
- {
- checksum += c;
-
- put_quoted_char (c);
-
- c = *buf++;
- }
- while (len-- > 0);
-
- put_quoted_char (-checksum & 0xff);
-
- output_packet ();
-}
-
-#else
-
/* Send a packet to the OCD device. The packet framed by a SYN character,
a byte count and a checksum. The byte count only counts the number of
bytes between the count and the checksum. A count of zero actually
}
*packet_ptr++ = -checksum;
- if (SERIAL_WRITE (ocd_desc, packet, packet_ptr - packet))
+ if (serial_write (ocd_desc, packet, packet_ptr - packet))
perror_with_name ("output_packet: write failed");
}
-#endif
-
-#if 0
-/* Get a packet from the OCD device. Timeout is only enforced for the
- first byte of the packet. Subsequent bytes are expected to arrive in
- time <= remote_timeout. Returns a pointer to a static buffer containing
- the payload of the packet. *LENP contains the length of the packet.
- */
-
-static unsigned char *
-stu_get_packet (unsigned char cmd, int *lenp, int timeout)
-{
- int ch;
- int len;
- static unsigned char buf[256 + 10], *p;
- unsigned char checksum;
-
-find_packet:
-
- ch = get_quoted_char (timeout);
-
- if (ch < 0)
- error ("get_packet (readchar): %d", ch);
-
- if (ch != RAW_SYN)
- goto find_packet;
-
-found_syn: /* Found the start of a packet */
-
- p = buf;
- checksum = 0;
-
- len = get_quoted_char (remote_timeout);
-
- if (len == RAW_SYN)
- goto found_syn;
-
- checksum += len;
-
- if (len == 0)
- len = 256;
-
- len++; /* Include checksum */
-
- while (len-- > 0)
- {
- ch = get_quoted_char (remote_timeout);
- if (ch == RAW_SYN)
- goto found_syn;
-
- *p++ = ch;
- checksum += ch;
- }
-
- if (checksum != 0)
- goto find_packet;
-
- if (cmd != buf[0])
- error ("Response phase error. Got 0x%x, expected 0x%x", buf[0], cmd);
-
- *lenp = p - buf - 1;
- return buf;
-}
-
-#else
/* Get a packet from the OCD device. Timeout is only enforced for the
first byte of the packet. Subsequent bytes are expected to arrive in
*lenp = packet_ptr - packet - 1; /* Subtract checksum byte */
return packet;
}
-#endif
/* Execute a simple (one-byte) command. Returns a pointer to the data
following the error code. */
the program at that point. */
void
-ocd_create_inferior (char *exec_file, char *args, char **env)
+ocd_create_inferior (char *exec_file, char *args, char **env, int from_tty)
{
if (args && (*args != '\000'))
error ("Args are not supported by BDM.");
{
generic_load (args, from_tty);
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
/* This is necessary because many things were based on the PC at the time that
we attached to the monitor, which is no longer valid now that we have loaded
not yet supported fully */
#define BDM_BREAKPOINT {0x0,0x0,0x0,0x0} /* For ppc 8xx */
-#if 0
-#define BDM_BREAKPOINT {0x4a,0xfa} /* BGND insn used for CPU32 */
-#endif
/* BDM (at least on CPU32) uses a different breakpoint */
/* discard_cleanups (old_chain); */
}
-
-static void
-bdm_read_register_command (char *args, int from_tty)
-{
- /* XXX repeat should go on to the next register */
-
- if (!ocd_desc)
- error ("Not connected to OCD device.");
-
- if (!args)
- error ("Must specify BDM register number.");
-
-}
\f
+extern initialize_file_ftype _initialize_remote_ocd; /* -Wmissing-prototypes */
+
void
_initialize_remote_ocd (void)
{
extern struct cmd_list_element *cmdlist;
static struct cmd_list_element *ocd_cmd_list = NULL;
- add_show_from_set (add_set_cmd ("remotetimeout", no_class,
- var_integer, (char *) &remote_timeout,
- "Set timeout value for remote read.\n", &setlist),
- &showlist);
+ deprecated_add_show_from_set
+ (add_set_cmd ("remotetimeout", no_class,
+ var_integer, (char *) &remote_timeout,
+ "Set timeout value for remote read.\n", &setlist),
+ &showlist);
add_prefix_cmd ("ocd", class_obscure, bdm_command, "", &ocd_cmd_list, "ocd ",
0, &cmdlist);
add_cmd ("reset", class_obscure, bdm_reset_command, "", &ocd_cmd_list);
add_cmd ("restart", class_obscure, bdm_restart_command, "", &ocd_cmd_list);
add_cmd ("update-flash", class_obscure, bdm_update_flash_command, "", &ocd_cmd_list);
- /* add_cmd ("read-register", class_obscure, bdm_read_register_command, "", &ocd_cmd_list); */
}
projects / deliverable / binutils-gdb.git / blobdiff