gdb/op50-rom.c

   1 /* Remote target glue for the Oki op50n based eval board.
   2
   3    Copyright 1995, 1998, 1999, 2000 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #include "defs.h"
  23 #include "gdbcore.h"
  24 #include "target.h"
  25 #include "monitor.h"
  26 #include "serial.h"
  27
  28 static void op50n_open (char *args, int from_tty);
  29
  30 /*
  31  * this array of registers need to match the indexes used by GDB. The
  32  * whole reason this exists is cause the various ROM monitors use
  33  * different strings than GDB does, and doesn't support all the
  34  * registers either. So, typing "info reg sp" becomes a "r30".
  35  */
  36
  37 static char *op50n_regnames[NUM_REGS] =
  38 {
  39   "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
  40   "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
  41   "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
  42   "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
  43   "cr11", "p", NULL, NULL, NULL, "cr15", "cr19", "cr20",
  44   "cr21", "cr22", NULL, NULL, NULL, NULL, NULL, NULL,
  45   NULL, NULL, NULL, "cr0", "cr8", "cr9", "cr10", "cr12",
  46   "cr13", "cr24", "cr25", "cr26",
  47 };
  48
  49 /*
  50  * Define the monitor command strings. Since these are passed directly
  51  * through to a printf style function, we need can include formatting
  52  * strings. We also need a CR or LF on the end.
  53  */
  54
  55 static struct target_ops op50n_ops;
  56
  57 static char *op50n_inits[] =
  58 {".\r", NULL};
  59
  60 static struct monitor_ops op50n_cmds;
  61
  62 static void
  63 init_op50n_cmds (void)
  64 {
  65   op50n_cmds.flags = MO_CLR_BREAK_USES_ADDR /*| MO_GETMEM_READ_SINGLE */ ;      /* flags */
  66   op50n_cmds.init = op50n_inits;        /* Init strings */
  67   op50n_cmds.cont = "g\r";      /* continue command */
  68   op50n_cmds.step = "t\r";      /* single step */
  69   op50n_cmds.stop = "\003.\r";  /* Interrupt char */
  70   op50n_cmds.set_break = "b %x\r";      /* set a breakpoint */
  71   op50n_cmds.clr_break = "b %x;0\r";    /* clear breakpoint at addr */
  72   op50n_cmds.clr_all_break = "bx\r";    /* clear all breakpoints */
  73   op50n_cmds.fill = "fx %x s%x %x\r";   /* memory fill cmd (addr, len, val) */
  74   op50n_cmds.setmem.cmdb = "sx %x %x\r";        /* setmem.cmdb (addr, value) */
  75   op50n_cmds.setmem.cmdw = "sh %x %x\r";        /* setmem.cmdw (addr, value) */
  76   op50n_cmds.setmem.cmdl = "s %x %x\r";         /* setmem.cmdl (addr, value) */
  77   op50n_cmds.setmem.cmdll = NULL;       /* setmem.cmdll (addr, value) */
  78   op50n_cmds.setmem.resp_delim = NULL;  /* setmem.resp_delim */
  79   op50n_cmds.setmem.term = NULL;        /* setmem.term */
  80   op50n_cmds.setmem.term_cmd = NULL;    /* setmem.term_cmd */
  81 #if 0
  82   {
  83     "sx %x\r",                  /* getmem.cmdb (addr, len) */
  84       "sh %x\r",                /* getmem.cmdw (addr, len) */
  85       "s %x\r",                 /* getmem.cmdl (addr, len) */
  86       NULL,                     /* getmem.cmdll (addr, len) */
  87       " : ",                    /* getmem.resp_delim */
  88       " ",                      /* getmem.term */
  89       ".\r",                    /* getmem.term_cmd */
  90   };
  91 #else
  92   op50n_cmds.getmem.cmdb = "dx %x s%x\r";       /* getmem.cmdb (addr, len) */
  93   op50n_cmds.getmem.cmdw = NULL;        /* getmem.cmdw (addr, len) */
  94   op50n_cmds.getmem.cmdl = NULL;        /* getmem.cmdl (addr, len) */
  95   op50n_cmds.getmem.cmdll = NULL;       /* getmem.cmdll (addr, len) */
  96   op50n_cmds.getmem.resp_delim = " : ";         /* getmem.resp_delim */
  97   op50n_cmds.getmem.term = NULL;        /* getmem.term */
  98   op50n_cmds.getmem.term_cmd = NULL;    /* getmem.term_cmd */
  99 #endif
 100   op50n_cmds.setreg.cmd = "x %s %x\r";  /* setreg.cmd (name, value) */
 101   op50n_cmds.setreg.resp_delim = NULL;  /* setreg.resp_delim */
 102   op50n_cmds.setreg.term = NULL;        /* setreg.term */
 103   op50n_cmds.setreg.term_cmd = NULL;    /* setreg.term_cmd */
 104   op50n_cmds.getreg.cmd = "x %s\r";     /* getreg.cmd (name) */
 105   op50n_cmds.getreg.resp_delim = "=";   /* getreg.resp_delim */
 106   op50n_cmds.getreg.term = " "; /* getreg.term */
 107   op50n_cmds.getreg.term_cmd = ".\r";   /* getreg.term_cmd */
 108   op50n_cmds.dump_registers = NULL;     /* dump_registers */
 109   op50n_cmds.register_pattern = NULL;   /* register_pattern */
 110   op50n_cmds.supply_register = NULL;    /* supply_register */
 111   op50n_cmds.load_routine = NULL;       /* load routine */
 112   op50n_cmds.load = "r 0\r";    /* download command */
 113   op50n_cmds.loadresp = NULL;   /* load response */
 114   op50n_cmds.prompt = "\n#";    /* monitor command prompt */
 115   op50n_cmds.line_term = "\r";  /* end-of-command delimitor */
 116   op50n_cmds.cmd_end = NULL;    /* optional command terminator */
 117   op50n_cmds.target = &op50n_ops;       /* target operations */
 118   op50n_cmds.stopbits = SERIAL_1_STOPBITS;      /* number of stop bits */
 119   op50n_cmds.regnames = op50n_regnames;         /* register names */
 120   op50n_cmds.magic = MONITOR_OPS_MAGIC;         /* magic */
 121 };
 122
 123 static void
 124 op50n_open (char *args, int from_tty)
 125 {
 126   monitor_open (args, &op50n_cmds, from_tty);
 127 }
 128
 129 void
 130 _initialize_op50n (void)
 131 {
 132   init_op50n_cmds ();
 133   init_monitor_ops (&op50n_ops);
 134
 135   op50n_ops.to_shortname = "op50n";
 136   op50n_ops.to_longname = "Oki's debug monitor for the Op50n Eval board";
 137   op50n_ops.to_doc = "Debug on a Oki OP50N eval board.\n\
 138 Specify the serial device it is connected to (e.g. /dev/ttya).";
 139   op50n_ops.to_open = op50n_open;
 140
 141   add_target (&op50n_ops);
 142 }