gdb/op50-rom.c

   1 /* Remote target glue for the Oki op50n based eval board.
   2
   3    Copyright 1995 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, Boston, MA 02111-1307, USA.  */
  20
  21 #include "defs.h"
  22 #include "gdbcore.h"
  23 #include "target.h"
  24 #include "monitor.h"
  25 #include "serial.h"
  26
  27 static void op50n_open PARAMS ((char *args, int from_tty));
  28
  29 /*
  30  * this array of registers need to match the indexes used by GDB. The
  31  * whole reason this exists is cause the various ROM monitors use
  32  * different strings than GDB does, and doesn't support all the
  33  * registers either. So, typing "info reg sp" becomes a "r30".
  34  */
  35
  36 static char *op50n_regnames[NUM_REGS] =
  37 {
  38   "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
  39   "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
  40   "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
  41   "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
  42   "cr11", "p", NULL, NULL, NULL, "cr15", "cr19", "cr20",
  43   "cr21", "cr22", NULL, NULL, NULL, NULL, NULL, NULL,
  44   NULL, NULL, NULL, "cr0", "cr8", "cr9", "cr10","cr12",
  45   "cr13", "cr24", "cr25", "cr26",
  46 };
  47
  48 /*
  49  * Define the monitor command strings. Since these are passed directly
  50  * through to a printf style function, we need can include formatting
  51  * strings. We also need a CR or LF on the end.
  52  */
  53
  54 static struct target_ops op50n_ops;
  55
  56 static char *op50n_inits[] = {".\r", NULL};
  57
  58 static struct monitor_ops op50n_cmds ;
  59
  60 static void
  61 init_op50n_cmds(void)
  62 {
  63   op50n_cmds.flags =   MO_CLR_BREAK_USES_ADDR /*| MO_GETMEM_READ_SINGLE*/; /* flags */
  64   op50n_cmds.init =   op50n_inits;                      /* Init strings */
  65   op50n_cmds.cont =   "g\r";                    /* continue command */
  66   op50n_cmds.step =   "t\r";                    /* single step */
  67   op50n_cmds.stop =   "\003.\r";                        /* Interrupt char */
  68   op50n_cmds.set_break =   "b %x\r";                    /* set a breakpoint */
  69   op50n_cmds.clr_break =   "b %x;0\r";                  /* clear breakpoint at addr */
  70   op50n_cmds.clr_all_break =   "bx\r";                  /* clear all breakpoints */
  71   op50n_cmds.fill =   "fx %x s%x %x\r";         /* memory fill cmd (addr, len, val) */
  72   op50n_cmds.setmem.cmdb =     "sx %x %x\r";            /* setmem.cmdb (addr, value) */
  73   op50n_cmds.setmem.cmdw =     "sh %x %x\r";            /* setmem.cmdw (addr, value) */
  74   op50n_cmds.setmem.cmdl =     "s %x %x\r";             /* setmem.cmdl (addr, value) */
  75   op50n_cmds.setmem.cmdll =     NULL;                   /* setmem.cmdll (addr, value) */
  76   op50n_cmds.setmem.resp_delim =     NULL;                      /* setmem.resp_delim */
  77   op50n_cmds.setmem.term =     NULL;                    /* setmem.term */
  78   op50n_cmds.setmem.term_cmd =     NULL;                        /* setmem.term_cmd */
  79 #if 0
  80   {
  81     "sx %x\r",                  /* getmem.cmdb (addr, len) */
  82       "sh %x\r",                        /* getmem.cmdw (addr, len) */
  83       "s %x\r",                 /* getmem.cmdl (addr, len) */
  84       NULL,                     /* getmem.cmdll (addr, len) */
  85       " : ",                    /* getmem.resp_delim */
  86       " ",                      /* getmem.term */
  87       ".\r",                    /* getmem.term_cmd */
  88       } ;
  89 #else
  90   op50n_cmds.getmem.cmdb =     "dx %x s%x\r";           /* getmem.cmdb (addr, len) */
  91   op50n_cmds.getmem.cmdw =     NULL;                    /* getmem.cmdw (addr, len) */
  92   op50n_cmds.getmem.cmdl =     NULL;                    /* getmem.cmdl (addr, len) */
  93   op50n_cmds.getmem.cmdll =     NULL;                   /* getmem.cmdll (addr, len) */
  94   op50n_cmds.getmem.resp_delim =     " : ";                     /* getmem.resp_delim */
  95   op50n_cmds.getmem.term =     NULL;                    /* getmem.term */
  96   op50n_cmds.getmem.term_cmd =     NULL;                        /* getmem.term_cmd */
  97 #endif
  98   op50n_cmds.setreg.cmd =     "x %s %x\r";              /* setreg.cmd (name, value) */
  99   op50n_cmds.setreg.resp_delim =     NULL;                      /* setreg.resp_delim */
 100   op50n_cmds.setreg.term =     NULL;                    /* setreg.term */
 101   op50n_cmds.setreg.term_cmd =     NULL;                        /* setreg.term_cmd */
 102   op50n_cmds.getreg.cmd =     "x %s\r";                 /* getreg.cmd (name) */
 103   op50n_cmds.getreg.resp_delim =     "=";                       /* getreg.resp_delim */
 104   op50n_cmds.getreg.term =     " ";                     /* getreg.term */
 105   op50n_cmds.getreg.term_cmd =     ".\r";                       /* getreg.term_cmd */
 106   op50n_cmds.dump_registers =   NULL;                           /* dump_registers */
 107   op50n_cmds.register_pattern =   NULL;                         /* register_pattern */
 108   op50n_cmds.supply_register =   NULL;                          /* supply_register */
 109   op50n_cmds.load_routine =   NULL;                             /* load routine */
 110   op50n_cmds.load =   "r 0\r";                  /* download command */
 111   op50n_cmds.loadresp =   NULL;                         /* load response */
 112   op50n_cmds.prompt =   "\n#";                  /* monitor command prompt */
 113   op50n_cmds.line_term =   "\r";                                /* end-of-command delimitor */
 114   op50n_cmds.cmd_end =   NULL;                          /* optional command terminator */
 115   op50n_cmds.target =   &op50n_ops;                     /* target operations */
 116   op50n_cmds.stopbits =   SERIAL_1_STOPBITS;            /* number of stop bits */
 117   op50n_cmds.regnames =   op50n_regnames;               /* register names */
 118   op50n_cmds.magic =   MONITOR_OPS_MAGIC;               /* magic */
 119 };
 120
 121 static void
 122 op50n_open (args, from_tty)
 123      char *args;
 124      int from_tty;
 125 {
 126   monitor_open (args, &op50n_cmds, from_tty);
 127 }
 128
 129 void
 130 _initialize_op50n ()
 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 }