-/* Remote target communications for the Macraigor Systems BDM Wiggler
- Copyright 1996, 1997 Free Software Foundation, Inc.
+/* Target communications support for Macraigor Systems' On-Chip Debugging
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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 "bfd.h"
#include "symfile.h"
#include "target.h"
-#include "wait.h"
#include "gdbcmd.h"
#include "objfiles.h"
#include "gdb-stabs.h"
-#include "dcache.h"
#include <sys/types.h>
#include <signal.h>
#include "serial.h"
#include "ocd.h"
+#include "regcache.h"
/* Prototypes for local functions */
-static int wiggler_write_bytes PARAMS ((CORE_ADDR memaddr,
- char *myaddr, int len));
+static int ocd_read_bytes (CORE_ADDR memaddr, char *myaddr, int len);
-static int wiggler_read_bytes PARAMS ((CORE_ADDR memaddr,
- char *myaddr, int len));
+static int ocd_start_remote (PTR dummy);
-static int wiggler_start_remote PARAMS ((char *dummy));
+static int readchar (int timeout);
-static int readchar PARAMS ((int timeout));
+static void reset_packet (void);
-static void reset_packet PARAMS ((void));
+static void output_packet (void);
-static void output_packet PARAMS ((void));
+static int get_quoted_char (int timeout);
-static int get_quoted_char PARAMS ((int timeout));
+static void put_quoted_char (int c);
-static void put_quoted_char PARAMS ((int c));
+static void ocd_interrupt (int signo);
-static void wiggler_interrupt PARAMS ((int signo));
+static void ocd_interrupt_twice (int signo);
-static void wiggler_interrupt_twice PARAMS ((int signo));
+static void interrupt_query (void);
-static void interrupt_query PARAMS ((void));
+static unsigned char *ocd_do_command (int cmd, int *statusp, int *lenp);
-static unsigned char * do_command PARAMS ((int cmd, int *statusp, int *lenp));
+static void ocd_put_packet (unsigned char *packet, int pktlen);
-static void wiggler_put_packet PARAMS ((unsigned char *packet, int pktlen));
-
-static unsigned char * wiggler_get_packet PARAMS ((int cmd, int *pktlen, int timeout));
+static unsigned char *ocd_get_packet (int cmd, int *pktlen, int timeout);
static struct target_ops *current_ops = NULL;
other form of hairy serial connection, I would think 2 seconds would
be plenty. */
-/* Changed to allow option to set timeout value.
- was static int remote_timeout = 2; */
-extern int remote_timeout;
+#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
- wiggler_open knows that we don't have a file open when the program
+ ocd_open knows that we don't have a file open when the program
starts. */
-static serial_t wiggler_desc = NULL;
+static serial_t ocd_desc = NULL;
\f
void
-wiggler_error (s, error_code)
- char *s;
- int error_code;
+ocd_error (char *s, int error_code)
{
char buf[100];
switch (error_code)
{
- case 0x1: s = "Unknown fault"; break;
- case 0x2: s = "Power failed"; break;
- case 0x3: s = "Cable disconnected"; break;
- case 0x4: s = "Couldn't enter BDM"; break;
- case 0x5: s = "Target stuck in reset"; break;
- case 0x6: s = "Port not configured"; break;
- case 0x7: s = "Write verify failed"; break;
- case 0x11: s = "Bus error"; break;
- case 0x12: s = "Checksum error"; break;
- case 0x13: s = "Illegal command"; break;
- case 0x14: s = "Parameter error"; break;
- case 0x15: s = "Internal error"; break;
- case 0x16: s = "Register buffer error"; break;
- case 0x80: s = "Flash erase error"; break;
+ case 0x1:
+ s = "Unknown fault";
+ break;
+ case 0x2:
+ s = "Power failed";
+ break;
+ case 0x3:
+ s = "Cable disconnected";
+ break;
+ case 0x4:
+ s = "Couldn't enter OCD mode";
+ break;
+ case 0x5:
+ s = "Target stuck in reset";
+ break;
+ case 0x6:
+ s = "OCD hasn't been initialized";
+ break;
+ case 0x7:
+ s = "Write verify failed";
+ break;
+ case 0x8:
+ s = "Reg buff error (during MPC5xx fp reg read/write)";
+ break;
+ case 0x9:
+ s = "Invalid CPU register access attempt failed";
+ break;
+ case 0x11:
+ s = "Bus error";
+ break;
+ case 0x12:
+ s = "Checksum error";
+ break;
+ case 0x13:
+ s = "Illegal command";
+ break;
+ case 0x14:
+ s = "Parameter error";
+ break;
+ case 0x15:
+ s = "Internal error";
+ break;
+ case 0x80:
+ s = "Flash erase error";
+ break;
default:
sprintf (buf, "Unknown error code %d", error_code);
s = buf;
/* Return nonzero if the thread TH is still alive on the remote system. */
int
-wiggler_thread_alive (th)
- int th;
+ocd_thread_alive (int th)
{
return 1;
}
/* ARGSUSED */
void
-wiggler_close (quitting)
- int quitting;
+ocd_close (int quitting)
{
- if (wiggler_desc)
- SERIAL_CLOSE (wiggler_desc);
- wiggler_desc = NULL;
+ if (ocd_desc)
+ SERIAL_CLOSE (ocd_desc);
+ ocd_desc = NULL;
}
/* Stub for catch_errors. */
static int
-wiggler_start_remote (dummy)
- char *dummy;
+ocd_start_remote (PTR dummy)
{
unsigned char buf[10], *p;
int pktlen;
int status;
int error_code;
int speed;
- enum wiggler_target_type target_type;
-
- target_type = (enum wiggler_target_type)dummy;
-
- immediate_quit = 1; /* Allow user to interrupt it */
-
- SERIAL_SEND_BREAK (wiggler_desc); /* Wake up the wiggler */
+ enum ocd_target_type target_type;
- do_command (WIGGLER_AYT, &status, &pktlen);
+ target_type = *(enum ocd_target_type *) dummy;
- p = do_command (WIGGLER_GET_VERSION, &status, &pktlen);
+ immediate_quit++; /* Allow user to interrupt it */
- printf_unfiltered ("[Wiggler version %x.%x, capability 0x%x]\n",
- p[0], p[1], (p[2] << 16) | p[3]);
+ SERIAL_SEND_BREAK (ocd_desc); /* Wake up the wiggler */
-#if 1
speed = 80; /* Divide clock by 4000 */
- buf[0] = WIGGLER_INIT;
+ buf[0] = OCD_INIT;
buf[1] = speed >> 8;
buf[2] = speed & 0xff;
buf[3] = target_type;
- wiggler_put_packet (buf, 4); /* Init Wiggler params */
- p = wiggler_get_packet (buf[0], &pktlen, remote_timeout);
+ ocd_put_packet (buf, 4); /* Init OCD params */
+ p = ocd_get_packet (buf[0], &pktlen, remote_timeout);
if (pktlen < 2)
- error ("Truncated response packet from Wiggler");
+ error ("Truncated response packet from OCD device");
status = p[1];
error_code = p[2];
if (error_code != 0)
- wiggler_error ("WIGGLER_INIT:", error_code);
-#endif
+ ocd_error ("OCD_INIT:", error_code);
+
+ ocd_do_command (OCD_AYT, &status, &pktlen);
+
+ p = ocd_do_command (OCD_GET_VERSION, &status, &pktlen);
+
+ printf_unfiltered ("[Wiggler version %x.%x, capability 0x%x]\n",
+ p[0], p[1], (p[2] << 16) | p[3]);
#if 0
/* Reset the target */
- do_command (WIGGLER_RESET_RUN, &status, &pktlen);
-/* do_command (WIGGLER_RESET, &status, &pktlen);*/
+ 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 & WIGGLER_FLAG_BDM))
- wiggler_stop ();
+ if (!(status & OCD_FLAG_BDM))
+ ocd_stop ();
#if 1
- buf[0] = WIGGLER_SET_CTL_FLAGS;
+ /* 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 */
+ buf[0] = OCD_SET_CTL_FLAGS;
buf[1] = 0;
- buf[2] = 1; /* Asynchronously return status when target stops */
- wiggler_put_packet (buf, 3);
+ buf[2] = 1;
+ ocd_put_packet (buf, 3);
- p = wiggler_get_packet (buf[0], &pktlen, remote_timeout);
+ p = ocd_get_packet (buf[0], &pktlen, remote_timeout);
if (pktlen < 2)
- error ("Truncated response packet from Wiggler");
+ error ("Truncated response packet from OCD device");
status = p[1];
error_code = p[2];
if (error_code != 0)
- wiggler_error ("WIGGLER_SET_CTL_FLAGS:", error_code);
+ ocd_error ("OCD_SET_CTL_FLAGS:", error_code);
#endif
- immediate_quit = 0;
+ immediate_quit--;
/* This is really the job of start_remote however, that makes an assumption
that the target is about to print out a status message of some sort. That
select_frame (get_current_frame (), 0);
print_stack_frame (selected_frame, -1, 1);
+ buf[0] = OCD_LOG_FILE;
+ buf[1] = 3; /* close existing WIGGLERS.LOG */
+ ocd_put_packet (buf, 2);
+ p = ocd_get_packet (buf[0], &pktlen, remote_timeout);
+
+ buf[0] = OCD_LOG_FILE;
+ buf[1] = 2; /* append to existing WIGGLERS.LOG */
+ ocd_put_packet (buf, 2);
+ p = ocd_get_packet (buf[0], &pktlen, remote_timeout);
+
return 1;
}
/* Open a connection to a remote debugger.
NAME is the filename used for communication. */
-static DCACHE *wiggler_dcache;
-
void
-wiggler_open (name, from_tty, target_type, ops)
- char *name;
- int from_tty;
- enum wiggler_target_type target_type;
- struct target_ops *ops;
+ocd_open (char *name, int from_tty, enum ocd_target_type target_type,
+ struct target_ops *ops)
{
+ unsigned char buf[10], *p;
+ int pktlen;
+
if (name == 0)
- error ("To open a Wiggler connection, you need to specify what serial\n\
-device the Wiggler is attached to (e.g. /dev/ttya).");
+ error ("To open an OCD connection, you need to specify the\n\
+device the OCD device is attached to (e.g. /dev/ttya).");
target_preopen (from_tty);
unpush_target (current_ops);
- wiggler_dcache = dcache_init (wiggler_read_bytes, wiggler_write_bytes);
-
- wiggler_desc = SERIAL_OPEN (name);
- if (!wiggler_desc)
- perror_with_name (name);
+ 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);
+ }
if (baud_rate != -1)
{
- if (SERIAL_SETBAUDRATE (wiggler_desc, baud_rate))
+ if (SERIAL_SETBAUDRATE (ocd_desc, baud_rate))
{
- SERIAL_CLOSE (wiggler_desc);
+ SERIAL_CLOSE (ocd_desc);
perror_with_name (name);
}
}
- SERIAL_RAW (wiggler_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 (wiggler_desc);
+ SERIAL_FLUSH_INPUT (ocd_desc);
if (from_tty)
{
/* 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). */
- if (!catch_errors (wiggler_start_remote, (char *)target_type,
- "Couldn't establish connection to remote target\n", RETURN_MASK_ALL))
- pop_target();
+ if (!catch_errors (ocd_start_remote, &target_type,
+ "Couldn't establish connection to remote target\n",
+ RETURN_MASK_ALL))
+ {
+ pop_target ();
+ error ("Failed to connect to OCD.");
+ }
}
/* This takes a program previously attached to and detaches it. After
die when it hits one. */
void
-wiggler_detach (args, from_tty)
- char *args;
- int from_tty;
+ocd_detach (char *args, int from_tty)
{
if (args)
error ("Argument given to \"detach\" when remotely debugging.");
/* Tell the remote machine to resume. */
void
-wiggler_resume (pid, step, siggnal)
- int pid, step;
- enum target_signal siggnal;
+ocd_resume (int pid, int step, enum target_signal siggnal)
{
int pktlen;
- dcache_flush (wiggler_dcache);
-
if (step)
- do_command (WIGGLER_STEP, &last_run_status, &pktlen);
+ ocd_do_command (OCD_STEP, &last_run_status, &pktlen);
else
- do_command (WIGGLER_RUN, &last_run_status, &pktlen);
+ ocd_do_command (OCD_RUN, &last_run_status, &pktlen);
}
\f
void
-wiggler_stop ()
+ocd_stop (void)
{
int status;
int pktlen;
- do_command (WIGGLER_STOP, &status, &pktlen);
+ ocd_do_command (OCD_STOP, &status, &pktlen);
- if (!(status & WIGGLER_FLAG_BDM))
+ if (!(status & OCD_FLAG_BDM))
error ("Can't stop target via BDM");
}
-static volatile int wiggler_interrupt_flag;
+static volatile int ocd_interrupt_flag;
/* Send ^C to target to halt it. Target will respond, and send us a
packet. */
static void
-wiggler_interrupt (signo)
- int signo;
+ocd_interrupt (int signo)
{
/* If this doesn't work, try more severe steps. */
- signal (signo, wiggler_interrupt_twice);
-
+ signal (signo, ocd_interrupt_twice);
+
if (remote_debug)
- printf_unfiltered ("wiggler_interrupt called\n");
+ printf_unfiltered ("ocd_interrupt called\n");
{
char buf[1];
- wiggler_stop ();
- buf[0] = WIGGLER_AYT;
- wiggler_put_packet (buf, 1);
- wiggler_interrupt_flag = 1;
+ ocd_stop ();
+ buf[0] = OCD_AYT;
+ ocd_put_packet (buf, 1);
+ ocd_interrupt_flag = 1;
}
}
-static void (*ofunc)();
+static void (*ofunc) ();
/* The user typed ^C twice. */
static void
-wiggler_interrupt_twice (signo)
- int signo;
+ocd_interrupt_twice (int signo)
{
signal (signo, ofunc);
-
+
interrupt_query ();
- signal (signo, wiggler_interrupt);
+ signal (signo, ocd_interrupt);
}
/* Ask the user what to do when an interrupt is received. */
static void
-interrupt_query ()
+interrupt_query (void)
{
target_terminal_ours ();
means in the case of this target). */
int
-wiggler_wait ()
+ocd_wait (void)
{
unsigned char *p;
- int error_code, status;
+ int error_code;
int pktlen;
+ char buf[1];
- wiggler_interrupt_flag = 0;
+ ocd_interrupt_flag = 0;
- /* Target may already be stopped by the time we get here. */
+ /* Target might already be stopped by the time we get here. */
+ /* If we aren't already stopped, we need to loop until we've dropped
+ back into BDM mode */
- if (!(last_run_status & WIGGLER_FLAG_BDM))
+ while (!(last_run_status & OCD_FLAG_BDM))
{
- ofunc = (void (*)()) signal (SIGINT, wiggler_interrupt);
-
- p = wiggler_get_packet (WIGGLER_AYT, &pktlen, -1);
+ buf[0] = OCD_AYT;
+ ocd_put_packet (buf, 1);
+ p = ocd_get_packet (OCD_AYT, &pktlen, -1);
+ ofunc = (void (*)()) signal (SIGINT, ocd_interrupt);
signal (SIGINT, ofunc);
if (pktlen < 2)
- error ("Truncated response packet from Wiggler");
+ error ("Truncated response packet from OCD device");
- status = p[1];
+ last_run_status = p[1];
error_code = p[2];
if (error_code != 0)
- wiggler_error ("target_wait:", error_code);
+ ocd_error ("target_wait:", error_code);
- if (status & WIGGLER_FLAG_PWF)
- error ("Wiggler lost VCC at BDM interface.");
- else if (status & WIGGLER_FLAG_CABLE_DISC)
- error ("BDM cable appears to have been disconnected.");
-
- if (!(status & WIGGLER_FLAG_BDM))
- error ("Wiggler woke up, but wasn't stopped: 0x%x", status);
+ if (last_run_status & OCD_FLAG_PWF)
+ error ("OCD device lost VCC at BDM interface.");
+ else if (last_run_status & OCD_FLAG_CABLE_DISC)
+ error ("OCD device cable appears to have been disconnected.");
}
- if (wiggler_interrupt_flag)
+ if (ocd_interrupt_flag)
return 1;
else
return 0;
}
-/* Read registers from the Wiggler. Specify the starting and ending register
- number. Return the number of regs actually read in *NUMREGS. Returns a
- pointer to a static array containing the register contents. */
+/* Read registers from the OCD device. Specify the starting and ending
+ register number. Return the number of regs actually read in *NUMREGS.
+ Returns a pointer to a static array containing the register contents. */
unsigned char *
-wiggler_read_bdm_registers (first_bdm_regno, last_bdm_regno, reglen)
- int first_bdm_regno;
- int last_bdm_regno;
- int *reglen;
+ocd_read_bdm_registers (int first_bdm_regno, int last_bdm_regno, int *reglen)
{
unsigned char buf[10];
int i;
int error_code, status;
int pktlen;
- buf[0] = WIGGLER_READ_REGS;
+ buf[0] = OCD_READ_REGS;
buf[1] = first_bdm_regno >> 8;
buf[2] = first_bdm_regno & 0xff;
buf[3] = last_bdm_regno >> 8;
buf[4] = last_bdm_regno & 0xff;
- wiggler_put_packet (buf, 5);
- p = wiggler_get_packet (WIGGLER_READ_REGS, &pktlen, remote_timeout);
+ ocd_put_packet (buf, 5);
+ p = ocd_get_packet (OCD_READ_REGS, &pktlen, remote_timeout);
status = p[1];
error_code = p[2];
if (error_code != 0)
- wiggler_error ("read_bdm_registers:", error_code);
+ ocd_error ("read_bdm_registers:", error_code);
i = p[3];
if (i == 0)
/* Read register BDM_REGNO and returns its value ala read_register() */
CORE_ADDR
-wiggler_read_bdm_register (bdm_regno)
- int bdm_regno;
+ocd_read_bdm_register (int bdm_regno)
{
int reglen;
unsigned char *p;
CORE_ADDR regval;
- p = wiggler_read_bdm_registers (bdm_regno, bdm_regno, ®len);
+ p = ocd_read_bdm_registers (bdm_regno, bdm_regno, ®len);
regval = extract_unsigned_integer (p, reglen);
return regval;
}
void
-wiggler_write_bdm_registers (first_bdm_regno, regptr, reglen)
- int first_bdm_regno;
- unsigned char *regptr;
- int reglen;
+ocd_write_bdm_registers (int first_bdm_regno, unsigned char *regptr, int reglen)
{
unsigned char *buf;
unsigned char *p;
buf = alloca (4 + reglen);
- buf[0] = WIGGLER_WRITE_REGS;
+ buf[0] = OCD_WRITE_REGS;
buf[1] = first_bdm_regno >> 8;
buf[2] = first_bdm_regno & 0xff;
buf[3] = reglen;
memcpy (buf + 4, regptr, reglen);
- wiggler_put_packet (buf, 4 + reglen);
- p = wiggler_get_packet (WIGGLER_WRITE_REGS, &pktlen, remote_timeout);
+ ocd_put_packet (buf, 4 + reglen);
+ p = ocd_get_packet (OCD_WRITE_REGS, &pktlen, remote_timeout);
if (pktlen < 3)
- error ("Truncated response packet from Wiggler");
+ error ("Truncated response packet from OCD device");
status = p[1];
error_code = p[2];
if (error_code != 0)
- wiggler_error ("wiggler_write_bdm_registers:", error_code);
+ ocd_error ("ocd_write_bdm_registers:", error_code);
}
void
-wiggler_write_bdm_register (bdm_regno, reg)
- int bdm_regno;
- CORE_ADDR reg;
+ocd_write_bdm_register (int bdm_regno, CORE_ADDR reg)
{
unsigned char buf[4];
store_unsigned_integer (buf, 4, reg);
- wiggler_write_bdm_registers (bdm_regno, buf, 4);
+ ocd_write_bdm_registers (bdm_regno, buf, 4);
}
\f
-void
-wiggler_prepare_to_store ()
+void
+ocd_prepare_to_store (void)
{
}
\f
Returns number of bytes transferred, or 0 for error. */
-static int write_mem_command = WIGGLER_WRITE_MEM;
+static int write_mem_command = OCD_WRITE_MEM;
-static int
-wiggler_write_bytes (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+int
+ocd_write_bytes (CORE_ADDR memaddr, char *myaddr, int len)
{
char buf[256 + 10];
unsigned char *p;
buf[7] = numbytes;
memcpy (&buf[8], myaddr, numbytes);
- wiggler_put_packet (buf, 8 + numbytes);
- p = wiggler_get_packet (WIGGLER_WRITE_MEM, &pktlen, remote_timeout);
+ ocd_put_packet (buf, 8 + numbytes);
+ p = ocd_get_packet (OCD_WRITE_MEM, &pktlen, remote_timeout);
if (pktlen < 3)
- error ("Truncated response packet from Wiggler");
+ error ("Truncated response packet from OCD device");
status = p[1];
error_code = p[2];
break;
}
else if (error_code != 0)
- wiggler_error ("wiggler_write_bytes:", error_code);
+ ocd_error ("ocd_write_bytes:", error_code);
len -= numbytes;
memaddr += numbytes;
Returns number of bytes transferred, or 0 for error. */
static int
-wiggler_read_bytes (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+ocd_read_bytes (CORE_ADDR memaddr, char *myaddr, int len)
{
char buf[256 + 10];
unsigned char *p;
origlen = len;
- buf[0] = WIGGLER_READ_MEM;
+ buf[0] = OCD_READ_MEM;
buf[5] = 1; /* Read as bytes */
while (len > 0)
buf[6] = numbytes;
- wiggler_put_packet (buf, 7);
- p = wiggler_get_packet (WIGGLER_READ_MEM, &pktlen, remote_timeout);
+ ocd_put_packet (buf, 7);
+ p = ocd_get_packet (OCD_READ_MEM, &pktlen, remote_timeout);
if (pktlen < 4)
- error ("Truncated response packet from Wiggler");
+ error ("Truncated response packet from OCD device");
status = p[1];
error_code = p[2];
break;
}
else if (error_code != 0)
- wiggler_error ("wiggler_read_bytes:", error_code);
+ ocd_error ("ocd_read_bytes:", error_code);
memcpy (myaddr, &p[4], numbytes);
\f
/* Read or write LEN bytes from inferior memory at MEMADDR, transferring
to or from debugger address MYADDR. Write to inferior if SHOULD_WRITE is
- nonzero. Returns length of data written or read; 0 for error. */
+ nonzero. Returns length of data written or read; 0 for error. TARGET
+ is ignored. */
/* ARGSUSED */
int
-wiggler_xfer_memory (memaddr, myaddr, len, should_write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int should_write;
- struct target_ops *target; /* ignored */
+ocd_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int should_write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
- return dcache_xfer_memory (wiggler_dcache, memaddr, myaddr, len, should_write);
+ int res;
+
+ if (should_write)
+ res = ocd_write_bytes (memaddr, myaddr, len);
+ else
+ res = ocd_read_bytes (memaddr, myaddr, len);
+
+ return res;
}
\f
void
-wiggler_files_info (ignore)
- struct target_ops *ignore;
+ocd_files_info (struct target_ops *ignore)
{
puts_filtered ("Debugging a target over a serial line.\n");
}
/* Read a single character from the remote side, handling wierd errors. */
static int
-readchar (timeout)
- int timeout;
+readchar (int timeout)
{
int ch;
- ch = SERIAL_READCHAR (wiggler_desc, timeout);
+ ch = SERIAL_READCHAR (ocd_desc, timeout);
switch (ch)
{
mistaken for real data). */
static int
-get_quoted_char (timeout)
- int timeout;
+get_quoted_char (int timeout)
{
int ch;
}
}
-static unsigned char pkt[256 * 2 + 10], *pktp; /* Worst case */
+static unsigned char pkt[256 * 2 + 10], *pktp; /* Worst case */
static void
-reset_packet ()
+reset_packet (void)
{
pktp = pkt;
}
static void
-output_packet ()
+output_packet (void)
{
- if (SERIAL_WRITE (wiggler_desc, pkt, pktp - pkt))
+ if (SERIAL_WRITE (ocd_desc, pkt, pktp - pkt))
perror_with_name ("output_packet: write failed");
reset_packet ();
through untouched. */
static void
-put_quoted_char (c)
- int c;
+put_quoted_char (int c)
{
switch (c)
{
*pktp++ = c;
}
-/* Send a packet to the Wiggler. 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.
- */
+/* 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 (buf, len)
- unsigned char *buf;
- int len;
+stu_put_packet (unsigned char *buf, int len)
{
unsigned char checksum;
unsigned char c;
if (len == 0 || len > 256)
- abort (); /* Can't represent 0 length packet */
+ internal_error (__FILE__, __LINE__, "failed internal consistency check"); /* Can't represent 0 length packet */
reset_packet ();
#else
-/* Send a packet to the Wiggler. 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.
- */
+/* 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
-wiggler_put_packet (buf, len)
- unsigned char *buf;
- int len;
+ocd_put_packet (unsigned char *buf, int len)
{
unsigned char checksum;
unsigned char c;
unsigned char *packet, *packet_ptr;
- packet = alloca (len + 1 + 1); /* packet + SYN + checksum */
+ packet = alloca (len + 1 + 1); /* packet + SYN + checksum */
packet_ptr = packet;
checksum = 0;
}
*packet_ptr++ = -checksum;
- if (SERIAL_WRITE (wiggler_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 Wiggler. 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.
-*/
+/* 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 (cmd, lenp, timeout)
- unsigned char cmd;
- int *lenp;
+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:
+find_packet:
ch = get_quoted_char (timeout);
if (ch != RAW_SYN)
goto find_packet;
- found_syn: /* Found the start of a packet */
+found_syn: /* Found the start of a packet */
p = buf;
checksum = 0;
#else
-/* Get a packet from the Wiggler. 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.
-*/
+/* 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 *
-wiggler_get_packet (cmd, lenp, timeout)
- int cmd;
- int *lenp;
+ocd_get_packet (int cmd, int *lenp, int timeout)
{
int ch;
int len;
- int i;
static unsigned char packet[512];
unsigned char *packet_ptr;
unsigned char checksum;
- find_packet:
-
ch = readchar (timeout);
if (ch < 0)
- error ("wiggler_get_packet (readchar): %d", ch);
+ error ("ocd_get_packet (readchar): %d", ch);
if (ch != 0x55)
- goto find_packet;
+ error ("ocd_get_packet (readchar): %d", ch);
/* Found the start of a packet */
ch = readchar (timeout);
if (ch < 0)
- error ("wiggler_get_packet (readchar): %d", ch);
+ error ("ocd_get_packet (readchar): %d", ch);
*packet_ptr++ = ch;
checksum += ch;
ch = readchar (timeout);
if (ch < 0)
- error ("wiggler_get_packet (readchar): %d", ch);
+ error ("ocd_get_packet (readchar): %d", ch);
*packet_ptr++ = ch;
checksum += ch;
ch = readchar (timeout);
if (ch < 0)
- error ("wiggler_get_packet (readchar): %d", ch);
+ error ("ocd_get_packet (readchar): %d", ch);
*packet_ptr++ = ch;
checksum += ch;
len = 8; /* write address, value read back */
break;
case 0x11: /* Bus error? */
- /* write address, read flag */
+ /* write address, read flag */
case 0x15: /* Internal error */
len = 5; /* error code, vector */
break;
case 0x0: /* Normal result */
switch (packet[0])
{
- case WIGGLER_AYT: /* Are You There? */
- case WIGGLER_SET_BAUD_RATE: /* Set Baud Rate */
- case WIGGLER_INIT: /* Initialize wiggler */
- case WIGGLER_SET_SPEED: /* Set Speed */
- case WIGGLER_SET_FUNC_CODE: /* Set Function Code */
- case WIGGLER_SET_CTL_FLAGS: /* Set Control Flags */
- case WIGGLER_SET_BUF_ADDR: /* Set Register Buffer Address */
- case WIGGLER_RUN: /* Run Target from PC */
- case WIGGLER_RUN_ADDR: /* Run Target from Specified Address */
- case WIGGLER_STOP: /* Stop Target */
- case WIGGLER_RESET_RUN: /* Reset Target and Run */
- case WIGGLER_RESET: /* Reset Target and Halt */
- case WIGGLER_STEP: /* Single Step */
- case WIGGLER_WRITE_REGS: /* Write Register */
- case WIGGLER_WRITE_MEM: /* Write Memory */
- case WIGGLER_FILL_MEM: /* Fill Memory */
- case WIGGLER_MOVE_MEM: /* Move Memory */
- case WIGGLER_WRITE_INT_MEM: /* Write Internal Memory */
- case WIGGLER_JUMP: /* Jump to Subroutine */
- case WIGGLER_ERASE_FLASH: /* Erase flash memory */
- case WIGGLER_PROGRAM_FLASH: /* Write flash memory */
- case WIGGLER_EXIT_MON: /* Exit the flash programming monitor */
- case WIGGLER_ENTER_MON: /* Enter the flash programming monitor */
+ case OCD_AYT: /* Are You There? */
+ case OCD_SET_BAUD_RATE: /* Set Baud Rate */
+ case OCD_INIT: /* Initialize OCD device */
+ case OCD_SET_SPEED: /* Set Speed */
+ case OCD_SET_FUNC_CODE: /* Set Function Code */
+ case OCD_SET_CTL_FLAGS: /* Set Control Flags */
+ case OCD_SET_BUF_ADDR: /* Set Register Buffer Address */
+ case OCD_RUN: /* Run Target from PC */
+ case OCD_RUN_ADDR: /* Run Target from Specified Address */
+ case OCD_STOP: /* Stop Target */
+ case OCD_RESET_RUN: /* Reset Target and Run */
+ case OCD_RESET: /* Reset Target and Halt */
+ case OCD_STEP: /* Single Step */
+ case OCD_WRITE_REGS: /* Write Register */
+ case OCD_WRITE_MEM: /* Write Memory */
+ case OCD_FILL_MEM: /* Fill Memory */
+ case OCD_MOVE_MEM: /* Move Memory */
+ case OCD_WRITE_INT_MEM: /* Write Internal Memory */
+ case OCD_JUMP: /* Jump to Subroutine */
+ case OCD_ERASE_FLASH: /* Erase flash memory */
+ case OCD_PROGRAM_FLASH: /* Write flash memory */
+ case OCD_EXIT_MON: /* Exit the flash programming monitor */
+ case OCD_ENTER_MON: /* Enter the flash programming monitor */
+ case OCD_LOG_FILE: /* Make Wigglers.dll save Wigglers.log */
+ case OCD_SET_CONNECTION: /* Set type of connection in Wigglers.dll */
len = 0;
break;
- case WIGGLER_GET_VERSION: /* Get Version */
+ case OCD_GET_VERSION: /* Get Version */
len = 10;
break;
- case WIGGLER_GET_STATUS_MASK: /* Get Status Mask */
+ case OCD_GET_STATUS_MASK: /* Get Status Mask */
len = 1;
break;
- case WIGGLER_GET_CTRS: /* Get Error Counters */
- case WIGGLER_READ_REGS: /* Read Register */
- case WIGGLER_READ_MEM: /* Read Memory */
- case WIGGLER_READ_INT_MEM: /* Read Internal Memory */
+ case OCD_GET_CTRS: /* Get Error Counters */
+ case OCD_READ_REGS: /* Read Register */
+ case OCD_READ_MEM: /* Read Memory */
+ case OCD_READ_INT_MEM: /* Read Internal Memory */
len = 257;
break;
default:
- fprintf_filtered (gdb_stderr, "Unknown packet type 0x%x\n", ch);
- goto find_packet;
+ error ("ocd_get_packet: unknown packet type 0x%x\n", ch);
}
}
ch = readchar (timeout);
if (ch < 0)
- error ("wiggler_get_packet (readchar): %d", ch);
+ error ("ocd_get_packet (readchar): %d", ch);
*packet_ptr++ = ch;
checksum += ch;
len = ch;
ch = readchar (timeout);
if (ch < 0)
- error ("wiggler_get_packet (readchar): %d", ch);
+ error ("ocd_get_packet (readchar): %d", ch);
*packet_ptr++ = ch;
checksum += ch;
}
if (checksum != 0)
- goto find_packet;
+ error ("ocd_get_packet: bad packet checksum");
if (cmd != -1 && cmd != packet[0])
error ("Response phase error. Got 0x%x, expected 0x%x", packet[0], cmd);
- *lenp = packet_ptr - packet - 1; /* Subtract checksum byte */
+ *lenp = packet_ptr - packet - 1; /* Subtract checksum byte */
return packet;
}
#endif
following the error code. */
static unsigned char *
-do_command (cmd, statusp, lenp)
- int cmd;
- int *statusp;
- int *lenp;
+ocd_do_command (int cmd, int *statusp, int *lenp)
{
unsigned char buf[100], *p;
int status, error_code;
char errbuf[100];
+ unsigned char logbuf[100];
+ int logpktlen;
+
buf[0] = cmd;
- wiggler_put_packet (buf, 1); /* Send command */
- p = wiggler_get_packet (*buf, lenp, remote_timeout);
+ ocd_put_packet (buf, 1); /* Send command */
+ p = ocd_get_packet (*buf, lenp, remote_timeout);
if (*lenp < 3)
- error ("Truncated response packet from Wiggler");
+ error ("Truncated response packet from OCD device");
status = p[1];
error_code = p[2];
if (error_code != 0)
{
- sprintf (errbuf, "do_command (0x%x):", cmd);
- wiggler_error (errbuf, error_code);
+ sprintf (errbuf, "ocd_do_command (0x%x):", cmd);
+ ocd_error (errbuf, error_code);
}
- if (status & WIGGLER_FLAG_PWF)
- error ("Wiggler can't detect VCC at BDM interface.");
- else if (status & WIGGLER_FLAG_CABLE_DISC)
+ if (status & OCD_FLAG_PWF)
+ error ("OCD device can't detect VCC at BDM interface.");
+ else if (status & OCD_FLAG_CABLE_DISC)
error ("BDM cable appears to be disconnected.");
*statusp = status;
+ logbuf[0] = OCD_LOG_FILE;
+ logbuf[1] = 3; /* close existing WIGGLERS.LOG */
+ ocd_put_packet (logbuf, 2);
+ ocd_get_packet (logbuf[0], &logpktlen, remote_timeout);
+
+ logbuf[0] = OCD_LOG_FILE;
+ logbuf[1] = 2; /* append to existing WIGGLERS.LOG */
+ ocd_put_packet (logbuf, 2);
+ ocd_get_packet (logbuf[0], &logpktlen, remote_timeout);
+
return p + 3;
}
\f
void
-wiggler_kill ()
+ocd_kill (void)
{
/* For some mysterious reason, wait_for_inferior calls kill instead of
mourn after it gets TARGET_WAITKIND_SIGNALLED. Work around it. */
}
void
-wiggler_mourn ()
+ocd_mourn (void)
{
unpush_target (current_ops);
generic_mourn_inferior ();
the program at that point. */
void
-wiggler_create_inferior (exec_file, args, env)
- char *exec_file;
- char *args;
- char **env;
+ocd_create_inferior (char *exec_file, char *args, char **env)
{
if (args && (*args != '\000'))
error ("Args are not supported by BDM.");
}
void
-wiggler_load (args, from_tty)
- char *args;
- int from_tty;
+ocd_load (char *args, int from_tty)
{
generic_load (args, from_tty);
clear_symtab_users ();
}
+/* This should be defined for each target */
+/* But we want to be able to compile this file for some configurations
+ 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 */
-static int
-wiggler_insert_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
+int
+ocd_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
{
- static char break_insn[] = {BDM_BREAKPOINT};
+ static char break_insn[] = BDM_BREAKPOINT;
int val;
- val = target_read_memory (addr, contents_cache, sizeof break_insn);
+ val = target_read_memory (addr, contents_cache, sizeof (break_insn));
if (val == 0)
- val = target_write_memory (addr, break_insn, sizeof break_insn);
+ val = target_write_memory (addr, break_insn, sizeof (break_insn));
+
+ return val;
+}
+
+int
+ocd_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
+{
+ static char break_insn[] = BDM_BREAKPOINT;
+ int val;
+
+ val = target_write_memory (addr, contents_cache, sizeof (break_insn));
return val;
}
static void
-bdm_command (args, from_tty)
- char *args;
- int from_tty;
+bdm_command (char *args, int from_tty)
{
error ("bdm command must be followed by `reset'");
}
static void
-bdm_reset_command (args, from_tty)
- char *args;
- int from_tty;
+bdm_reset_command (char *args, int from_tty)
{
int status, pktlen;
- if (!wiggler_desc)
- error ("Not connected to wiggler.");
+ if (!ocd_desc)
+ error ("Not connected to OCD device.");
- do_command (WIGGLER_RESET, &status, &pktlen);
- dcache_flush (wiggler_dcache);
+ ocd_do_command (OCD_RESET, &status, &pktlen);
+ dcache_invalidate (target_dcache);
registers_changed ();
}
static void
-bdm_restart_command (args, from_tty)
- char *args;
- int from_tty;
+bdm_restart_command (char *args, int from_tty)
{
int status, pktlen;
- if (!wiggler_desc)
- error ("Not connected to wiggler.");
+ if (!ocd_desc)
+ error ("Not connected to OCD device.");
- do_command (WIGGLER_RESET_RUN, &status, &pktlen);
+ ocd_do_command (OCD_RESET_RUN, &status, &pktlen);
last_run_status = status;
clear_proceed_status ();
wait_for_inferior ();
generic_load from trying to set the PC. */
static void
-noop_store_registers (regno)
- int regno;
+noop_store_registers (int regno)
{
}
static void
-bdm_update_flash_command (args, from_tty)
- char *args;
- int from_tty;
+bdm_update_flash_command (char *args, int from_tty)
{
int status, pktlen;
- struct cleanup *old_chain;
- void (*store_registers_tmp) PARAMS ((int));
+ struct cleanup *old_chain;
+ void (*store_registers_tmp) (int);
- if (!wiggler_desc)
- error ("Not connected to wiggler.");
+ if (!ocd_desc)
+ error ("Not connected to OCD device.");
if (!args)
- error ("Must specify file containing new Wiggler code.");
+ error ("Must specify file containing new OCD code.");
-/* old_chain = make_cleanup (flash_cleanup, 0);*/
+/* old_chain = make_cleanup (flash_cleanup, 0); */
- do_command (WIGGLER_ENTER_MON, &status, &pktlen);
+ ocd_do_command (OCD_ENTER_MON, &status, &pktlen);
- do_command (WIGGLER_ERASE_FLASH, &status, &pktlen);
+ ocd_do_command (OCD_ERASE_FLASH, &status, &pktlen);
- write_mem_command = WIGGLER_PROGRAM_FLASH;
+ write_mem_command = OCD_PROGRAM_FLASH;
store_registers_tmp = current_target.to_store_registers;
current_target.to_store_registers = noop_store_registers;
generic_load (args, from_tty);
current_target.to_store_registers = store_registers_tmp;
- write_mem_command = WIGGLER_WRITE_MEM;
+ write_mem_command = OCD_WRITE_MEM;
- do_command (WIGGLER_EXIT_MON, &status, &pktlen);
+ ocd_do_command (OCD_EXIT_MON, &status, &pktlen);
-/* discard_cleanups (old_chain);*/
+/* discard_cleanups (old_chain); */
}
static void
-bdm_read_register_command (args, from_tty)
- char *args;
- int from_tty;
+bdm_read_register_command (char *args, int from_tty)
{
/* XXX repeat should go on to the next register */
- if (!wiggler_desc)
- error ("Not connected to wiggler.");
+ if (!ocd_desc)
+ error ("Not connected to OCD device.");
if (!args)
error ("Must specify BDM register number.");
}
\f
void
-_initialize_remote_wiggler ()
+_initialize_remote_ocd (void)
{
extern struct cmd_list_element *cmdlist;
- static struct cmd_list_element *bdm_cmd_list = NULL;
+ 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),
+ var_integer, (char *) &remote_timeout,
+ "Set timeout value for remote read.\n", &setlist),
&showlist);
- add_prefix_cmd ("bdm", class_obscure, bdm_command, "", &bdm_cmd_list, "bdm ",
+ add_prefix_cmd ("ocd", class_obscure, bdm_command, "", &ocd_cmd_list, "ocd ",
0, &cmdlist);
- add_cmd ("reset", class_obscure, bdm_reset_command, "", &bdm_cmd_list);
- add_cmd ("restart", class_obscure, bdm_restart_command, "", &bdm_cmd_list);
- add_cmd ("update-flash", class_obscure, bdm_update_flash_command, "", &bdm_cmd_list);
- /* add_cmd ("read-register", class_obscure, bdm_read_register_command, "", &bdm_cmd_list);*/
+ 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