/* Target communications support for Macraigor Systems' On-Chip Debugging
- Copyright 1996, 1997 Free Software Foundation, Inc.
+
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software
+ Foundation, Inc.
This file is part of GDB.
#include "bfd.h"
#include "symfile.h"
#include "target.h"
-#include "gdb_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 */
/* 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)
/* 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;
}
ocd_close (int quitting)
{
if (ocd_desc)
- SERIAL_CLOSE (ocd_desc);
+ serial_close (ocd_desc);
ocd_desc = NULL;
}
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 */
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 (), -1, 1);
buf[0] = OCD_LOG_FILE;
buf[1] = 3; /* close existing WIGGLERS.LOG */
/* Open a connection to a remote debugger.
NAME is the filename used for communication. */
-static DCACHE *ocd_dcache;
-
void
ocd_open (char *name, int from_tty, enum ocd_target_type target_type,
struct target_ops *ops)
unpush_target (current_ops);
- if (!ocd_dcache)
- ocd_dcache = dcache_init (ocd_read_bytes, ocd_write_bytes);
- else
- dcache_invd (ocd_dcache);
-
- 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;
- dcache_invd (ocd_dcache);
-
if (step)
ocd_do_command (OCD_STEP, &last_run_status, &pktlen);
else
Give up (and stop debugging it)? "))
{
target_mourn_inferior ();
- return_to_top_level (RETURN_QUIT);
+ throw_exception (RETURN_QUIT);
}
target_terminal_inferior ();
\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
-ocd_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 (ocd_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
{
int ch;
- ch = SERIAL_READCHAR (ocd_desc, timeout);
+ ch = serial_readchar (ocd_desc, timeout);
switch (ch)
{
static void
output_packet (void)
{
- if (SERIAL_WRITE (ocd_desc, pkt, pktp - pkt))
+ if (serial_write (ocd_desc, pkt, pktp - pkt))
perror_with_name ("output_packet: write failed");
reset_packet ();
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 ();
}
*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
{
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
error ("Not connected to OCD device.");
ocd_do_command (OCD_RESET, &status, &pktlen);
- dcache_invd (ocd_dcache);
+ dcache_invalidate (target_dcache);
registers_changed ();
}
projects / deliverable / binutils-gdb.git / blobdiff