#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
+#include "gdbcore.h"
extern struct target_ops remote_rdp_ops;
#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
static int timeout = 2;
+static char * commandline = NULL;
+
static int
remote_rdp_xfer_inferior_memory PARAMS ((CORE_ADDR memaddr,
char *myaddr,
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:
+ break;
+ case RDP_RESET:
+ /* Sent at start of reset process: ignore */
+ break;
+ default:
+ printf_unfiltered ("%c", isgraph (restype) ? restype : ' ');
+ break;
+ }
+ }
+
+ if (restype == 0)
+ {
+ /* Got end-of-banner mark */
+ printf_filtered ("\n");
+ }
+ }
+
put_byte (RDP_OPEN);
- put_byte (type | RDP_OPEN_TYPE_RETURN_SEX);
+ put_byte (type | RDP_OPEN_TYPE_RETURN_SEX );
put_word (0);
while (!sync && (restype = SERIAL_READCHAR (io, 1)) > 0)
case RDP_RES_VALUE:
{
int resval = SERIAL_READCHAR (io, 1);
+
+ if (remote_debug)
+ printf_unfiltered ("[%02x]\n", resval);
+
switch (resval)
{
case SERIAL_TIMEOUT:
}
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 */
}
+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;
}
char *args;
int from_tty;
{
+ int not_icebreaker;
+
if (!args)
error_no_arg ("serial port device name");
rdp_info ();
- push_target (&remote_rdp_ops);
+ /* 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);
+ }
+
+ /* command line initialised on 'run'*/
+
+ push_target (& remote_rdp_ops);
callback->init (callback);
flush_cached_frames ();
}
+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 executable 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