gdb/w89k-rom.c

   1 /* Remote target glue for the WinBond ROM monitor running on the "Cougar"
   2    W89k eval board.
   3
   4    Copyright 1988, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
   5
   6 This file is part of GDB.
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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 w89k_open PARAMS ((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 static char *w89k_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   "SAR", "PC", NULL, NULL, NULL, "EIEM", "IIR", "IVA",
  43   "IOR", "IPSW", NULL, NULL, NULL, NULL, NULL,
  44   NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  45   "CCR", NULL, NULL, "TR0", "TR1",
  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 w89k_ops;
  55
  56 static char *w89k_loadtypes[] = {"none", "srec", "default", NULL};
  57 static char *w89k_loadprotos[] = {"none", "xmodem", NULL};
  58
  59 static char *w89k_inits[] = {"\r", NULL};
  60
  61 static struct monitor_ops w89k_cmds =
  62 {
  63   MO_GETMEM_NEEDS_RANGE,        /* flags */
  64   w89k_inits,                   /* Init strings */
  65   "g\r",                        /* continue command */
  66   "t\r",                        /* single step */
  67   NULL,                         /* Interrupt char */
  68   "bp %x\r",                    /* set a breakpoint */
  69   "bc %x\r",                    /* clear a breakpoint */
  70   NULL,                         /* clear all breakpoints */
  71   NULL,                         /* memory fill cmd */
  72   {
  73     "eb %x %x\r",               /* setmem.cmdb (addr, value) */
  74     "eh %x %x\r",               /* setmem.cmdw (addr, value) */
  75     "ew %x %x\r",               /* setmem.cmdl (addr, value) */
  76     NULL,                       /* setmem.cmdll (addr, value) */
  77     NULL,                       /* setreg.resp_delim */
  78     NULL,                       /* setreg.term */
  79     NULL,                       /* setreg.term_cmd */
  80   },
  81   {
  82     "db %x %x\r",               /* getmem.cmdb (startaddr, endaddr) */
  83     "dh %x %x\r",               /* getmem.cmdw (startaddr, endaddr) */
  84     "dw %x %x\r",               /* getmem.cmdl (startaddr, endaddr) */
  85     NULL,                       /* getmem.cmdll (startaddr, endaddr) */
  86     "  ",                       /* getmem.resp_delim */
  87     NULL,                       /* getmem.term */
  88     NULL,                       /* getmem.term_cmd */
  89   },
  90   {
  91     "r %s %x\r",                /* setreg.cmd (name, value) */
  92     NULL,                       /* setreg.resp_delim */
  93     NULL,                       /* setreg.term */
  94     NULL,                       /* setreg.term_cmd */
  95   },
  96   {
  97     "r %s\r",                   /* getreg.cmd (name) */
  98     "\r",                       /* getreg.resp_delim */
  99     NULL,                       /* getreg.term */
 100     NULL,                       /* getreg.term_cmd */
 101   },
 102   NULL,                         /* dump_registers */
 103   NULL,                         /* register_pattern */
 104   NULL,                         /* supply_register */
 105   "u\r",                        /* download command */
 106   NULL,                         /* load response */
 107   "ROM>",                       /* monitor command prompt */
 108   NULL,                         /* end-of-command delimitor */
 109   NULL,                         /* optional command terminator */
 110   &w89k_ops,                    /* target operations */
 111   w89k_loadtypes,               /* loadtypes */
 112   w89k_loadprotos,              /* loadprotos */
 113   "9600",                       /* supported baud rates */
 114   SERIAL_1_STOPBITS,            /* number of stop bits */
 115   w89k_regnames,                /* register names */
 116   MONITOR_OPS_MAGIC             /* magic */
 117   };
 118
 119 void
 120 w89k_open(args, from_tty)
 121      char *args;
 122      int from_tty;
 123 {
 124   monitor_open (args, &w89k_cmds, from_tty);
 125 }
 126
 127 void
 128 _initialize_w89k ()
 129 {
 130   init_monitor_ops (&w89k_ops);
 131
 132   w89k_ops.to_shortname = "w89k";
 133   w89k_ops.to_longname = "WinBond's debug monitor for the W89k Eval board";
 134   w89k_ops.to_doc = "Debug on a WinBond W89K eval board.\n\
 135 Specify the serial device it is connected to (e.g. /dev/ttya).";
 136   w89k_ops.to_open = w89k_open;
 137
 138   add_target (&w89k_ops);
 139 }