/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
- Copyright 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+ Copyright 1995 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Steve Chamberlain
(sac@cygnus.com).
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
+#include "gdbcore.h"
+#include "target.h"
+#include "monitor.h"
+#include "serial.h"
+
+static void hms_open PARAMS ((char *args, int from_tty));
+
+static void
+hms_supply_register (regname, regnamelen, val, vallen)
+ char *regname;
+ int regnamelen;
+ char *val;
+ int vallen;
+{
+ int regno;
+
+ if (regnamelen != 2)
+ return;
+ if (regname[0] != 'P')
+ return;
+ /* We scan off all the registers in one go */
+
+ val = monitor_supply_register (PC_REGNUM, val);
+ /* Skip the ccr string */
+ while (*val != '=' && *val)
+ val++;
+
+ val = monitor_supply_register (CCR_REGNUM, val + 1);
+
+ /* Skip up to rest of regs */
+ while (*val != '=' && *val)
+ val++;
+
+ for (regno = 0; regno < 7; regno++)
+ {
+ val = monitor_supply_register (regno, val + 1);
+ }
+}
+
+/*
+ * This array of registers needs to match the indexes used by GDB. The
+ * whole reason this exists is because the various ROM monitors use
+ * different names than GDB does, and don't support all the
+ * registers either. So, typing "info reg sp" becomes a "r30".
+ */
+
+static char *hms_regnames[NUM_REGS] =
+{
+ "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "PC"
+};
+
+/*
+ * Define the monitor command strings. Since these are passed directly
+ * through to a printf style function, we need can include formatting
+ * strings. We also need a CR or LF on the end.
+ */
+
+static struct target_ops hms_ops;
+
+static char *hms_inits[] =
+{"\003", /* Resets the prompt, and clears repeated cmds */
+ NULL};
+
+static struct monitor_ops hms_cmds =
+{
+ MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE,
+ hms_inits, /* Init strings */
+ "g\r", /* continue command */
+ "s\r", /* single step */
+ "\003", /* ^C interrupts the program */
+ "b %x\r", /* set a breakpoint */
+ "b - %x\r", /* clear a breakpoint */
+ "b -\r", /* clear all breakpoints */
+ "f %x %x %x\r", /* fill (start end val) */
+ {
+ "m.b %x=%x\r", /* setmem.cmdb (addr, value) */
+ "m.w %x=%x\r", /* setmem.cmdw (addr, value) */
+ NULL, /* setmem.cmdl (addr, value) */
+ NULL, /* setmem.cmdll (addr, value) */
+ NULL, /* setreg.resp_delim */
+ NULL, /* setreg.term */
+ NULL, /* setreg.term_cmd */
+ },
+ {
+ "m.b %x %x\r", /* getmem.cmdb (addr, addr) */
+ "m.w %x %x\r", /* getmem.cmdw (addr, addr) */
+ NULL, /* getmem.cmdl (addr, addr) */
+ NULL, /* getmem.cmdll (addr, addr) */
+ ": ", /* getmem.resp_delim */
+ ">", /* getmem.term */
+ "\003", /* getmem.term_cmd */
+ },
+ {
+ "r %s=%x\r", /* setreg.cmd (name, value) */
+ NULL, /* setreg.resp_delim */
+ NULL, /* setreg.term */
+ NULL /* setreg.term_cmd */
+ },
+ {
+ "r %s\r", /* getreg.cmd (name) */
+ " (", /* getreg.resp_delim */
+ ":", /* getreg.term */
+ "\003", /* getreg.term_cmd */
+ },
+ "r\r", /* dump_registers */
+ "\\(\\w+\\)=\\([0-9a-fA-F]+\\)", /* register_pattern */
+ hms_supply_register, /* supply_register */
+ NULL, /* load_routine (defaults to SRECs) */
+ "tl\r", /* download command */
+ NULL, /* load response */
+ ">", /* monitor command prompt */
+ "\r", /* end-of-command delimitor */
+ NULL, /* optional command terminator */
+ &hms_ops, /* target operations */
+ SERIAL_1_STOPBITS, /* number of stop bits */
+ hms_regnames, /* registers names */
+ MONITOR_OPS_MAGIC /* magic */
+};
+
+static void
+hms_open (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ monitor_open (args, &hms_cmds, from_tty);
+}
+
+int write_dos_tick_delay;
+
+void
+_initialize_remote_hms ()
+{
+ init_monitor_ops (&hms_ops);
+
+ hms_ops.to_shortname = "hms";
+ hms_ops.to_longname = "Hitachi Microsystems H8/300 debug monitor";
+ hms_ops.to_doc = "Debug via the HMS monitor.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+ hms_ops.to_open = hms_open;
+ /* By trial and error I've found that this delay doesn't break things */
+ write_dos_tick_delay = 1;
+ add_target (&hms_ops);
+}
+
+
+#if 0
+/* This is kept here because we used to support the H8/500 in this module,
+ and I haven't done the H8/500 yet */
+#include "defs.h"
#include "inferior.h"
#include "wait.h"
#include "value.h"
-#include <string.h>
+#include "gdb_string.h"
#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
static int quiet = 1; /* FIXME - can be removed after Dec '94 */
-static DCACHE *remote_dcache;
-serial_t desc;
/***********************************************************************
return buf & 0x7f;
}
-static void
+static void
flush ()
{
while (1)
enum target_signal
sig;
{
- dcache_flush (remote_dcache);
-
if (step)
{
hms_write_cr ("s");
}
-/* Read a word from remote address ADDR and return it.
- * This goes through the data cache.
- */
-int
-hms_fetch_word (addr)
- CORE_ADDR addr;
-{
- return dcache_fetch (remote_dcache, addr);
-}
-
-/* Write a word WORD into remote address ADDR.
- This goes through the data cache. */
-
-void
-hms_store_word (addr, word)
- CORE_ADDR addr;
- int word;
-{
- dcache_poke (remote_dcache, addr, word);
-}
int
hms_xfer_inferior_memory (memaddr, myaddr, len, write, target)
int write;
struct target_ops *target; /* ignored */
{
- register int i;
-
- /* Round starting address down to longword boundary. */
- register CORE_ADDR addr;
-
- /* Round ending address up; get number of longwords that makes. */
- register int count;
-
- /* Allocate buffer of that many longwords. */
- register int *buffer;
-
- memaddr &= 0xffff;
- addr = memaddr & -sizeof (int);
- count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
-
- buffer = (int *) alloca (count * sizeof (int));
-
- if (write)
- {
- /* Fill start and end extra bytes of buffer with existing memory data. */
-
- if (addr != memaddr || len < (int) sizeof (int))
- {
- /* Need part of initial word -- fetch it. */
- buffer[0] = hms_fetch_word (addr);
- }
-
- if (count > 1) /* FIXME, avoid if even boundary */
- {
- buffer[count - 1]
- = hms_fetch_word (addr + (count - 1) * sizeof (int));
- }
-
- /* Copy data to be written over corresponding part of buffer */
-
- memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
-
- /* Write the entire buffer. */
-
- for (i = 0; i < count; i++, addr += sizeof (int))
- {
- errno = 0;
- hms_store_word (addr, buffer[i]);
- if (errno)
- {
- return 0;
- }
-
- }
- }
- else
- {
- /* Read all the longwords */
- for (i = 0; i < count; i++, addr += sizeof (int))
- {
- errno = 0;
- buffer[i] = hms_fetch_word (addr);
- if (errno)
- {
- return 0;
- }
- QUIT;
- }
-
- /* Copy appropriate bytes out of the buffer. */
- memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
- }
return len;
}
SERIAL_RAW (desc);
is_open = 1;
push_target (&hms_ops);
- dcache_init (hms_read_inferior_memory,
- hms_write_inferior_memory);
-
+ dcache_ptr = dcache_init (hms_read_inferior_memory,
+ hms_write_inferior_memory);
+ remote_dcache = 1;
/* Hello? Are you there? */
SERIAL_WRITE (desc, "\r\n", 2);
expect_prompt ();
hms_insert_breakpoint, hms_remove_breakpoint, /* Breakpoints */
0, 0, 0, 0, 0, /* Terminal handling */
hms_kill, /* FIXME, kill */
- gr_load_image,
+ generic_load,
0, /* lookup_symbol */
hms_create_inferior, /* create_inferior */
hms_mourn, /* mourn_inferior FIXME */
0, /* can_run */
0, /* notice_signals */
+ 0, /* to_thread_alive */
0, /* to_stop */
process_stratum, 0, /* next */
1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
dev_name = NULL;
}
+#endif
+
projects / deliverable / binutils-gdb.git / blobdiff