#else
#include <varargs.h>
#endif
-
+#include <ctype.h>
#include <fcntl.h>
#include "symfile.h"
#include "remote-utils.h"
+#include "gdb_string.h"
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
extern struct target_ops remote_rdp_ops;
static serial_t io;
static host_callback *callback = &default_callback;
struct
-{
- int step_info;
- int break_info;
- int model_info;
- int target_info;
- int can_step;
- char command_line[10];
- int rdi_level;
- int rdi_stopped_status;
-} ds;
+ {
+ int step_info;
+ int break_info;
+ int model_info;
+ int target_info;
+ int can_step;
+ char command_line[10];
+ int rdi_level;
+ int rdi_stopped_status;
+ }
+ds;
#define RDP_OPEN 0
#define RDP_OPEN_TYPE_COLD 0
#define RDP_OPEN_TYPE_WARM 1
+#define RDP_OPEN_TYPE_BAUDRATE 2
+
+#define RDP_OPEN_BAUDRATE_9600 1
+#define RDP_OPEN_BAUDRATE_19200 2
+#define RDP_OPEN_BAUDRATE_38400 3
+
#define RDP_OPEN_TYPE_RETURN_SEX (1<<3)
#define RDP_CLOSE 1
#define RDP_FPU_READWRITE_MASK_FPS (1<<8)
#define RDP_SET_BREAK 0xa
-#define RDP_SET_BREAK_TYPE_PC_EQUAL 0
-#define RDP_SET_BREAK_TYPE_GET_HANDLE (0x10)
+#define RDP_SET_BREAK_TYPE_PC_EQUAL 0
+#define RDP_SET_BREAK_TYPE_GET_HANDLE (0x10)
#define RDP_CLEAR_BREAK 0xb
#define RDP_RES_VALUE_BIG_ENDIAN 241
#define RDP_RES_RESET 0x7f
#define RDP_RES_AT_BREAKPOINT 143
-
+#define RDP_RES_IDUNNO 0xe6
#define RDP_OSOpReply 0x13
#define RDP_OSOpWord 2
#define RDP_OSOpNothing 0
static int
remote_rdp_xfer_inferior_memory PARAMS ((CORE_ADDR memaddr,
- char *myaddr,
- int len,
- int write,
- struct target_ops * target));
+ char *myaddr,
+ int len,
+ int write,
+ struct target_ops * target));
/* Stuff for talking to the serial layer. */
{
int c = SERIAL_READCHAR (io, timeout);
+ if (remote_debug)
+ printf ("[%02x]\n", c);
+
if (c == SERIAL_TIMEOUT)
{
if (timeout == 0)
error ("Timeout reading from remote_system");
}
- if (remote_debug)
- printf ("[%02x]", c);
return c;
}
put_byte (val)
char val;
{
+ if (remote_debug)
+ printf ("(%02x)\n", val);
SERIAL_WRITE (io, &val, 1);
}
static void
put_word (val)
- long val;
+ int val;
{
/* We always send in little endian */
unsigned char b[4];
b[2] = val >> 16;
b[3] = val >> 24;
+ if (remote_debug)
+ printf ("(%04x)", val);
+
SERIAL_WRITE (io, b, 4);
}
/* Stuff for talking to the RDP layer. */
+/* This is a bit more fancy that need be so that it syncs even in nasty cases.
-/* This is a bit more fancy that need be so that it syncs even in nasty cases. */
+ I'be been unable to make it reliably sync up with the change
+ baudrate open command. It likes to sit and say it's been reset,
+ with no more action. So I took all that code out. I'd rather sync
+ reliably at 9600 than wait forever for a possible 19200 connection.
+ */
static void
-rdp_init ()
+rdp_init (cold, tty)
+ int cold;
+ int tty;
{
- int oloop;
+ int sync = 0;
+ int type = cold ? RDP_OPEN_TYPE_COLD : RDP_OPEN_TYPE_WARM;
+ int baudtry = 9600;
- for (oloop = 0; oloop < 2; oloop++)
+ time_t now = time (0);
+ time_t stop_time = now + 10; /* Try and sync for 10 seconds, then give up */
+
+
+ while (time (0) < stop_time && !sync)
{
- int longtry;
+ int restype;
+ QUIT;
+
SERIAL_FLUSH_INPUT (io);
- for (longtry = 0; longtry < 2; longtry++)
- {
- int try;
- int flush_and_retry = 0;
+ SERIAL_FLUSH_OUTPUT (io);
- for (try = 0; try < 10 && !flush_and_retry; try++)
- {
- int restype;
+ if (tty)
+ printf_unfiltered ("Trying to connect at %d baud.\n", baudtry);
+ put_byte (RDP_OPEN);
- put_byte (RDP_OPEN);
- put_byte (RDP_OPEN_TYPE_COLD | RDP_OPEN_TYPE_RETURN_SEX);
- put_word (0);
+ put_byte (type | RDP_OPEN_TYPE_RETURN_SEX);
+ put_word (0);
- restype = SERIAL_READCHAR (io, 1);
+ while (!sync && (restype = SERIAL_READCHAR (io, 1)) > 0)
+ {
+ if (remote_debug)
+ printf_unfiltered ("[%02x]\n", restype);
- switch (restype)
+ switch (restype)
+ {
+ case SERIAL_TIMEOUT:
+ break;
+ case RDP_RESET:
+ while ((restype = SERIAL_READCHAR (io, 1)) == RDP_RESET)
+ ;
+ while ((restype = SERIAL_READCHAR (io, 1)) > 0)
{
- case SERIAL_TIMEOUT:
- flush_and_retry = 1;
- break;
- case RDP_RESET:
- return;
- default:
- printf_unfiltered ("Got res return %d\n", restype);
- break;
- case RDP_RES_VALUE:
+ printf_unfiltered ("%c", isgraph (restype) ? restype : ' ');
+ }
+ while ((restype = SERIAL_READCHAR (io, 1)) > 0)
+ ;
+ if (tty)
+ {
+ printf_unfiltered ("\nThe board has sent notification that it was reset.\n");
+ printf_unfiltered ("Waiting for it to settle down...\n");
+ }
+ sleep (3);
+ if (tty)
+ printf_unfiltered ("\nTrying again.\n");
+ break;
+ default:
+ break;
+ case RDP_RES_VALUE:
+ {
+ int resval = SERIAL_READCHAR (io, 1);
+ switch (resval)
{
- int resval = SERIAL_READCHAR (io, 1);
-
- switch (resval)
- {
- case SERIAL_TIMEOUT:
- break;
- case RDP_RES_VALUE_LITTLE_ENDIAN:
- target_byte_order = LITTLE_ENDIAN;
- return;
- case RDP_RES_VALUE_BIG_ENDIAN:
- target_byte_order = BIG_ENDIAN;
- return;
- default:
- printf_unfiltered ("Trying to sync, got resval %d\n", resval);
- }
+ case SERIAL_TIMEOUT:
+ break;
+ case RDP_RES_VALUE_LITTLE_ENDIAN:
+ target_byte_order = LITTLE_ENDIAN;
+ sync = 1;
+ break;
+ case RDP_RES_VALUE_BIG_ENDIAN:
+ target_byte_order = BIG_ENDIAN;
+ sync = 1;
+ break;
+ default:
+ break;
}
- }
+ }
}
}
}
- error ("Couldn't reset the board, try pressing the reset button");
+
+ if (!sync)
+ {
+ error ("Couldn't reset the board, try pressing the reset button");
+ }
}
{
/* There are 12 bytes long
!! fixme about endianness
- */
+ */
int dummy; /* I've seen these come back as four words !! */
send_rdp ("bbw-SWWWWZ", RDP_COPRO_READ, FPU_COPRO_NUMBER, mask, buf + 0, buf + 4, buf + 8, &dummy);
}
}
#endif
}
-
\f
+
/* Convert between GDB requests and the RDP layer. */
static void
}
-static void
+static void
handle_swi ()
{
argsin args[3];
res = SERIAL_READCHAR (io, 1);
while (res == SERIAL_TIMEOUT)
{
- QUIT ;
+ QUIT;
printf_filtered ("Waiting for target..\n");
res = SERIAL_READCHAR (io, 1);
}
if (!args)
error_no_arg ("serial port device name");
+ baud_rate = 9600;
+
target_preopen (from_tty);
io = SERIAL_OPEN (args);
SERIAL_RAW (io);
- rdp_init ();
+ rdp_init (1, from_tty);
+
- rdp_info ();
if (from_tty)
{
- printf_unfiltered ("Remote RDP debugging using %s\n", args);
+ printf_unfiltered ("Remote RDP debugging using %s at %d baud\n", args, baud_rate);
}
+ rdp_info ();
+
push_target (&remote_rdp_ops);
callback->init (callback);
int quitting;
{
callback->shutdown (callback);
- SERIAL_CLOSE (io);
+ if (io)
+ SERIAL_CLOSE (io);
+ io = 0;
}
-/* Terminate the open connection to the remote debugger. */
-
-static void
-remote_rdp_detach (args, from_tty)
- char *args;
- int from_tty;
-{
- pop_target ();
-}
/* Resume execution of the target process. STEP says whether to single-step
or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
{"watchpoints for half-word writes supported", RDP_INFO_ABOUT_BREAK_HALFWORD_WRITE},
{"watchpoints for word writes supported", RDP_INFO_ABOUT_BREAK_WORD_WRITE},
{"mask break/watch-points supported", RDP_INFO_ABOUT_BREAK_MASK},
- {"thread-specific breakpoints supported", RDP_INFO_ABOUT_BREAK_THREAD_BREAK},
- {"thread-specific watchpoints supported", RDP_INFO_ABOUT_BREAK_THREAD_WATCH},
+{"thread-specific breakpoints supported", RDP_INFO_ABOUT_BREAK_THREAD_BREAK},
+{"thread-specific watchpoints supported", RDP_INFO_ABOUT_BREAK_THREAD_WATCH},
{"conditional breakpoints supported", RDP_INFO_ABOUT_BREAK_COND},
{0}
};
{
"rdp", /* to_shortname */
/* to_longname */
- "Remote Target using the RDProtocol",
+ "Remote Target using the RDProtocol",
/* to_doc */
"Use a remote ARM system which uses the ARM Remote Debugging Protocol",
remote_rdp_open, /* to_open */
remote_rdp_fetch_register, /* to_fetch_registers */
remote_rdp_store_register, /* to_store_registers */
remote_rdp_prepare_to_store, /* to_prepare_to_store */
- remote_rdp_xfer_inferior_memory, /* to_xfer_memory */
+ remote_rdp_xfer_inferior_memory, /* to_xfer_memory */
remote_rdp_files_info, /* to_files_info */
remote_rdp_insert_breakpoint, /* to_insert_breakpoint */
remote_rdp_remove_breakpoint, /* to_remove_breakpoint */
projects / binutils.git / blobdiff