#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
+#include "gdbcore.h"
+
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_INFO_ABOUT_BREAK_THREAD_BREAK (1<<9)
#define RDP_INFO_ABOUT_BREAK_THREAD_WATCH (1<<10)
#define RDP_INFO_ABOUT_BREAK_COND (1<<11)
+#define RDP_INFO_VECTOR_CATCH (0x180)
+#define RDP_INFO_ICEBREAKER (7)
+#define RDP_INFO_SET_CMDLINE (0x300)
+
+#define RDP_SELECT_CONFIG (0x16)
+#define RDI_ConfigCPU 0
+#define RDI_ConfigSystem 1
+#define RDI_MatchAny 0
+#define RDI_MatchExactly 1
+#define RDI_MatchNoEarlier 2
#define RDP_RESET 0x7f
#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 timeout = 2;
+static char * commandline = NULL;
+
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++)
- {
- int longtry;
- SERIAL_FLUSH_INPUT (io);
- for (longtry = 0; longtry < 2; longtry++)
- {
- int try;
- int flush_and_retry = 0;
+ time_t now = time (0);
+ time_t stop_time = now + 10; /* Try and sync for 10 seconds, then give up */
- for (try = 0; try < 10 && !flush_and_retry; try++)
- {
- int restype;
- put_byte (RDP_OPEN);
- put_byte (RDP_OPEN_TYPE_COLD | RDP_OPEN_TYPE_RETURN_SEX);
- put_word (0);
+ while (time (0) < stop_time && !sync)
+ {
+ int restype;
+ QUIT;
+
+ SERIAL_FLUSH_INPUT (io);
+ SERIAL_FLUSH_OUTPUT (io);
- restype = SERIAL_READCHAR (io, 1);
+ if (tty)
+ printf_unfiltered ("Trying to connect at %d baud.\n", baudtry);
+ /*
+ ** It seems necessary to reset an EmbeddedICE to get it going.
+ ** This has the side benefit of displaying the startup banner.
+ */
+ if (cold)
+ {
+ put_byte (RDP_RESET);
+ while ((restype = SERIAL_READCHAR (io, 1)) > 0)
+ {
switch (restype)
{
case SERIAL_TIMEOUT:
- flush_and_retry = 1;
break;
case RDP_RESET:
- return;
+ /* Sent at start of reset process: ignore */
+ break;
default:
- printf_unfiltered ("Got res return %d\n", restype);
+ printf_unfiltered ("%c", isgraph (restype) ? restype : ' ');
break;
- case RDP_RES_VALUE:
+ }
+ }
+
+ if (restype == 0)
+ {
+ /* Got end-of-banner mark */
+ printf_filtered ("\n");
+ }
+ }
+
+ put_byte (RDP_OPEN);
+
+ put_byte (type | RDP_OPEN_TYPE_RETURN_SEX );
+ put_word (0);
+
+ while (!sync && (restype = SERIAL_READCHAR (io, 1)) > 0)
+ {
+ if (remote_debug)
+ printf_unfiltered ("[%02x]\n", 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)
+ {
+ 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);
+
+ if (remote_debug)
+ printf_unfiltered ("[%02x]\n", resval);
+
+ 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");
+ }
}
}
break;
case 'Z':
- /* Check the result code, error if not zero */
- if (get_byte ())
- error ("Command garbled");
+ /* Check the result code */
+ switch (get_byte ())
+ {
+ case 0:
+ /* Success */
+ break;
+ case 253:
+ /* Target can't do it; never mind */
+ printf_unfiltered ("RDP: Insufficient privilege\n");
+ return;
+ case 254:
+ /* Target can't do it; never mind */
+ printf_unfiltered ("RDP: Unimplemented message\n");
+ return;
+ case 255:
+ error ("Command garbled");
+ break;
+ default:
+ error ("Corrupt reply from target");
+ break;
+ }
break;
case 'W':
/* Read a word from the target */
{
/* 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
+rdp_set_command_line (command, args)
+ char * command;
+ char * args;
+{
+ /*
+ ** We could use RDP_INFO_SET_CMDLINE to send this, but EmbeddedICE systems
+ ** don't implement that, and get all confused at the unexpected text.
+ ** Instead, just keep a copy, and send it when the target does a SWI_GetEnv
+ */
+
+ if (commandline != NULL)
+ free (commandline);
+
+ commandline = malloc (strlen (command) + strlen (args) + 2);
+ if (commandline != NULL)
+ {
+ strcpy (commandline, command);
+ strcat (commandline, " ");
+ strcat (commandline, args);
+ }
+}
+
+static void
+rdp_catch_vectors ()
+{
+ /*
+ ** We want the target monitor to intercept the abort vectors
+ ** i.e. stop the program if any of these are used.
+ */
+ send_rdp ("bww-SZ", RDP_INFO, RDP_INFO_VECTOR_CATCH,
+ /*
+ ** Specify a bitmask including
+ ** the reset vector
+ ** the undefined instruction vector
+ ** the prefetch abort vector
+ ** the data abort vector
+ ** the address exception vector
+ */
+ (1<<0)|(1<<1)|(1<<3)|(1<<4)|(1<<5)
+ );
+}
+
+
#define a_byte 1
#define a_word 2
args->n = callback->isatty (callback, args->n);
return 1;
+ case SWI_GetEnv:
+ if (commandline != NULL)
+ {
+ int len = strlen (commandline);
+ if (len > 255)
+ {
+ len = 255;
+ commandline [255]='\0';
+ }
+ remote_rdp_xfer_inferior_memory (args[0].n,
+ commandline, len+1, 1, 0);
+ }
+ else
+ remote_rdp_xfer_inferior_memory (args[0].n, "", 1, 1, 0);
+ return 1;
+
default:
return 0;
}
}
-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);
}
char *args;
int from_tty;
{
+ int not_icebreaker;
+
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 ();
+
+ /* Need to set up the vector interception state */
+ rdp_catch_vectors();
+
+ /*
+ ** If it's an EmbeddedICE, we need to set the processor config.
+ ** Assume we can always have ARM7TDI...
+ */
+ send_rdp ("bw-SB", RDP_INFO, RDP_INFO_ICEBREAKER, & not_icebreaker);
+ if (!not_icebreaker)
+ {
+ const char * CPU = "ARM7TDI";
+ int ICEversion;
+ int len = strlen (CPU);
+
+ send_rdp ("bbbbw-p-SWZ",
+ RDP_SELECT_CONFIG,
+ RDI_ConfigCPU, /* Aspect: set the CPU */
+ len, /* The number of bytes in the name */
+ RDI_MatchAny, /* We'll take whatever we get */
+ 0, /* We'll take whatever version's there */
+ CPU,len,
+ & ICEversion);
}
- push_target (&remote_rdp_ops);
+ /* command line initialised on 'run'*/
+
+ push_target (& remote_rdp_ops);
callback->init (callback);
flush_cached_frames ();
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}
};
}
+static void
+remote_rdp_create_inferior (exec_file, allargs, env)
+ char * exec_file;
+ char * allargs;
+ char ** env;
+{
+ CORE_ADDR entry_point;
+
+ if (exec_file == 0 || exec_bfd == 0)
+ error ("No exec file specified.");
+
+ entry_point = (CORE_ADDR) bfd_get_start_address (exec_bfd);
+
+ remote_rdp_kill ();
+ remove_breakpoints ();
+ init_wait_for_inferior ();
+
+ /* This gives us a chance to set up the command line */
+ rdp_set_command_line (exec_file, allargs);
+
+ inferior_pid = 42;
+ insert_breakpoints (); /* Needed to get correct instruction in cache */
+
+ /*
+ ** RDP targets don't provide any facility to set the top of memory,
+ ** so we don't bother to look for MEMSIZE in the environment.
+ */
+
+ /* Let's go! */
+ proceed (entry_point, TARGET_SIGNAL_DEFAULT, 0);
+}
+
+/* Accept any stray run/attach commands */
+static int
+remote_rdp_can_run()
+{
+ return 1;
+}
+
+/* Attach doesn't need to do anything */
+static void
+remote_rdp_attach(args, from_tty)
+ char * args;
+ int from_tty;
+{
+ return;
+}
+
/* Define the target subroutine names */
-struct target_ops remote_rdp_ops =
+struct target_ops remote_rdp_ops ;
+
+static void init_remote_rdp_ops(void)
{
- "rdp", /* to_shortname */
- /* to_longname */
- "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_close, /* to_close */
- NULL, /* to_attach */
- NULL, /* to_detach */
- remote_rdp_resume, /* to_resume */
- remote_rdp_wait, /* to_wait */
- 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_files_info, /* to_files_info */
- remote_rdp_insert_breakpoint, /* to_insert_breakpoint */
- remote_rdp_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 */
- remote_rdp_kill, /* to_kill */
- generic_load, /* to_load */
- NULL, /* to_lookup_symbol */
- NULL, /* to_create_inferior */
- generic_mourn_inferior, /* to_mourn_inferior */
- 0, /* to_can_run */
- 0, /* 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 */
-};
+ remote_rdp_ops.to_shortname = "rdp";
+ remote_rdp_ops.to_longname = "Remote Target using the RDProtocol";
+ remote_rdp_ops.to_doc = "Use a remote ARM system which uses the ARM Remote Debugging Protocol";
+ remote_rdp_ops.to_open = remote_rdp_open;
+ remote_rdp_ops.to_close = remote_rdp_close;
+ remote_rdp_ops.to_attach = remote_rdp_attach;
+ remote_rdp_ops.to_detach = NULL;
+ remote_rdp_ops.to_resume = remote_rdp_resume;
+ remote_rdp_ops.to_wait = remote_rdp_wait;
+ remote_rdp_ops.to_fetch_registers = remote_rdp_fetch_register;
+ remote_rdp_ops.to_store_registers = remote_rdp_store_register;
+ remote_rdp_ops.to_prepare_to_store = remote_rdp_prepare_to_store;
+ remote_rdp_ops.to_xfer_memory = remote_rdp_xfer_inferior_memory;
+ remote_rdp_ops.to_files_info = remote_rdp_files_info;
+ remote_rdp_ops.to_insert_breakpoint = remote_rdp_insert_breakpoint;
+ remote_rdp_ops.to_remove_breakpoint = remote_rdp_remove_breakpoint;
+ remote_rdp_ops.to_terminal_init = NULL;
+ remote_rdp_ops.to_terminal_inferior = NULL;
+ remote_rdp_ops.to_terminal_ours_for_output = NULL;
+ remote_rdp_ops.to_terminal_ours = NULL;
+ remote_rdp_ops.to_terminal_info = NULL;
+ remote_rdp_ops.to_kill = remote_rdp_kill;
+ remote_rdp_ops.to_load = generic_load;
+ remote_rdp_ops.to_lookup_symbol = NULL;
+ remote_rdp_ops.to_create_inferior = remote_rdp_create_inferior;
+ remote_rdp_ops.to_mourn_inferior = generic_mourn_inferior;
+ remote_rdp_ops.to_can_run = remote_rdp_can_run;
+ remote_rdp_ops.to_notice_signals = 0;
+ remote_rdp_ops.to_thread_alive = 0;
+ remote_rdp_ops.to_stop = 0;
+ remote_rdp_ops.to_stratum = process_stratum;
+ remote_rdp_ops.DONT_USE = NULL;
+ remote_rdp_ops.to_has_all_memory = 1;
+ remote_rdp_ops.to_has_memory = 1;
+ remote_rdp_ops.to_has_stack = 1;
+ remote_rdp_ops.to_has_registers = 1;
+ remote_rdp_ops.to_has_execution = 1;
+ remote_rdp_ops.to_sections = NULL;
+ remote_rdp_ops.to_sections_end = NULL;
+ remote_rdp_ops.to_magic = OPS_MAGIC;
+}
void
_initialize_remote_rdp ()
{
+ init_remote_rdp_ops() ;
add_target (&remote_rdp_ops);
}
projects / deliverable / binutils-gdb.git / blobdiff