#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "monitor.h"
#include "serial.h"
#include "regcache.h"
#include "m68k-tdep.h"
static void dbug_open (char *args, int from_tty);
static void
dbug_supply_register (char *regname, int regnamelen, char *val, int vallen)
{
int regno;
if (regnamelen != 2)
return;
switch (regname[0])
{
case 'S':
if (regname[1] != 'R')
return;
regno = PS_REGNUM;
break;
case 'P':
if (regname[1] != 'C')
return;
regno = PC_REGNUM;
break;
case 'D':
if (regname[1] < '0' || regname[1] > '7')
return;
regno = regname[1] - '0' + M68K_D0_REGNUM;
break;
case 'A':
if (regname[1] < '0' || regname[1] > '7')
return;
regno = regname[1] - '0' + M68K_A0_REGNUM;
break;
default:
return;
}
monitor_supply_register (regno, val);
}
static const char *
dbug_regname (int index)
{
static char *regnames[] =
{
"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
"SR", "PC"
};
if ((index >= (sizeof (regnames) / sizeof (regnames[0])))
|| (index < 0) || (index >= NUM_REGS))
return NULL;
else
return regnames[index];
}
static struct target_ops dbug_ops;
static struct monitor_ops dbug_cmds;
static char *dbug_inits[] =
{"\r", NULL};
static void
init_dbug_cmds (void)
{
dbug_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_GETMEM_NEEDS_RANGE | MO_FILL_USES_ADDR;
dbug_cmds.init = dbug_inits;
dbug_cmds.cont = "go\r";
dbug_cmds.step = "trace\r";
dbug_cmds.stop = NULL;
dbug_cmds.set_break = "br %x\r";
dbug_cmds.clr_break = "br -r %x\r";
dbug_cmds.clr_all_break = "br -r\r";
dbug_cmds.fill = "bf.b %x %x %x\r";
dbug_cmds.setmem.cmdb = "mm.b %x %x\r";
dbug_cmds.setmem.cmdw = "mm.w %x %x\r";
dbug_cmds.setmem.cmdl = "mm.l %x %x\r";
dbug_cmds.setmem.cmdll = NULL;
dbug_cmds.setmem.resp_delim = NULL;
dbug_cmds.setmem.term = NULL;
dbug_cmds.setmem.term_cmd = NULL;
dbug_cmds.getmem.cmdb = "md.b %x %x\r";
dbug_cmds.getmem.cmdw = "md.w %x %x\r";
dbug_cmds.getmem.cmdl = "md.l %x %x\r";
dbug_cmds.getmem.cmdll = NULL;
dbug_cmds.getmem.resp_delim = ":";
dbug_cmds.getmem.term = NULL;
dbug_cmds.getmem.term_cmd = NULL;
dbug_cmds.setreg.cmd = "rm %s %x\r";
dbug_cmds.setreg.resp_delim = NULL;
dbug_cmds.setreg.term = NULL;
dbug_cmds.setreg.term_cmd = NULL;
dbug_cmds.getreg.cmd = "rd %s\r";
dbug_cmds.getreg.resp_delim = ":";
dbug_cmds.getreg.term = NULL;
dbug_cmds.getreg.term_cmd = NULL;
dbug_cmds.dump_registers = "rd\r";
dbug_cmds.register_pattern = "\\(\\w+\\) +:\\([0-9a-fA-F]+\\b\\)";
dbug_cmds.supply_register = dbug_supply_register;
dbug_cmds.load_routine = NULL;
dbug_cmds.load = "dl\r";
dbug_cmds.loadresp = "\n";
dbug_cmds.prompt = "dBUG>";
dbug_cmds.line_term = "\r";
dbug_cmds.cmd_end = NULL;
dbug_cmds.target = &dbug_ops;
dbug_cmds.stopbits = SERIAL_1_STOPBITS;
dbug_cmds.regnames = NULL;
dbug_cmds.regname = dbug_regname;
dbug_cmds.magic = MONITOR_OPS_MAGIC;
}
static void
dbug_open (char *args, int from_tty)
{
monitor_open (args, &dbug_cmds, from_tty);
}
extern initialize_file_ftype _initialize_dbug_rom;
void
_initialize_dbug_rom (void)
{
init_dbug_cmds ();
init_monitor_ops (&dbug_ops);
dbug_ops.to_shortname = "dbug";
dbug_ops.to_longname = "dBUG monitor";
dbug_ops.to_doc = "Debug via the dBUG monitor.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
dbug_ops.to_open = dbug_open;
add_target (&dbug_ops);
}