/* Remote debugging interface for ABug Rom monitor for GDB, the GNU debugger.
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/* Remote debugging interface for ABug Rom monitor for GDB, the GNU debugger.
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Copyright 1995, 1996, 1998 Free Software Foundation, Inc.
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Copyright 1995, 1996, 1998 Free Software Foundation, Inc.
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Written by Rob Savoye of Cygnus Support
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Written by Rob Savoye of Cygnus Support
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "defs.h"
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#include "gdbcore.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "target.h"
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#include "monitor.h"
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#include "monitor.h"
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#include "serial.h"
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#include "serial.h"
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/* Prototypes for local functions. */
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/* Prototypes for local functions. */
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static void abug_open PARAMS ((char *args, int from_tty));
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static void abug_open PARAMS ((char *args, int from_tty));
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static void
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static void
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abug_supply_register (regname, regnamelen, val, vallen)
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abug_supply_register (regname, regnamelen, val, vallen)
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char *regname;
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char *regname;
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int regnamelen;
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int regnamelen;
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char *val;
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char *val;
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int vallen;
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int vallen;
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{
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{
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int regno;
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int regno;
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if (regnamelen != 2)
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if (regnamelen != 2)
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return;
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return;
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switch (regname[0])
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switch (regname[0])
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{
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{
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case 'S':
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case 'S':
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if (regname[1] != 'R')
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if (regname[1] != 'R')
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return;
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return;
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regno = PS_REGNUM;
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regno = PS_REGNUM;
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break;
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break;
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case 'P':
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case 'P':
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if (regname[1] != 'C')
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if (regname[1] != 'C')
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return;
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return;
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regno = PC_REGNUM;
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regno = PC_REGNUM;
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break;
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break;
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case 'D':
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case 'D':
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if (regname[1] < '0' || regname[1] > '7')
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if (regname[1] < '0' || regname[1] > '7')
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return;
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return;
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regno = regname[1] - '0' + D0_REGNUM;
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regno = regname[1] - '0' + D0_REGNUM;
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break;
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break;
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case 'A':
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case 'A':
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if (regname[1] < '0' || regname[1] > '7')
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if (regname[1] < '0' || regname[1] > '7')
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return;
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return;
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regno = regname[1] - '0' + A0_REGNUM;
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regno = regname[1] - '0' + A0_REGNUM;
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break;
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break;
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default:
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default:
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return;
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return;
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}
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}
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monitor_supply_register (regno, val);
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monitor_supply_register (regno, val);
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}
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}
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/*
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/*
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* This array of registers needs to match the indexes used by GDB. The
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* This array of registers needs to match the indexes used by GDB. The
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* whole reason this exists is because the various ROM monitors use
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* whole reason this exists is because the various ROM monitors use
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* different names than GDB does, and don't support all the
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* different names than GDB does, and don't support all the
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* registers either. So, typing "info reg sp" becomes an "A7".
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* registers either. So, typing "info reg sp" becomes an "A7".
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*/
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*/
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static char *abug_regnames[NUM_REGS] =
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static char *abug_regnames[NUM_REGS] =
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{
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{
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"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
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"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
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"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
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"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
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"PC",
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"PC",
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};
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};
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/*
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/*
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* Define the monitor command strings. Since these are passed directly
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* Define the monitor command strings. Since these are passed directly
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* through to a printf style function, we need can include formatting
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* through to a printf style function, we need can include formatting
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* strings. We also need a CR or LF on the end.
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* strings. We also need a CR or LF on the end.
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*/
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*/
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static struct target_ops abug_ops;
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static struct target_ops abug_ops;
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static char *abug_inits[] =
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static char *abug_inits[] =
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{"\r", NULL};
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{"\r", NULL};
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static struct monitor_ops abug_cmds;
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static struct monitor_ops abug_cmds;
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static void
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static void
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init_abug_cmds (void)
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init_abug_cmds (void)
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{
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{
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abug_cmds.flags = MO_CLR_BREAK_USES_ADDR;
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abug_cmds.flags = MO_CLR_BREAK_USES_ADDR;
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abug_cmds.init = abug_inits; /* Init strings */
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abug_cmds.init = abug_inits; /* Init strings */
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abug_cmds.cont = "g\r"; /* continue command */
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abug_cmds.cont = "g\r"; /* continue command */
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abug_cmds.step = "t\r"; /* single step */
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abug_cmds.step = "t\r"; /* single step */
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abug_cmds.stop = NULL; /* interrupt command */
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abug_cmds.stop = NULL; /* interrupt command */
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abug_cmds.set_break = "br %x\r"; /* set a breakpoint */
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abug_cmds.set_break = "br %x\r"; /* set a breakpoint */
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abug_cmds.clr_break = "nobr %x\r"; /* clear a breakpoint */
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abug_cmds.clr_break = "nobr %x\r"; /* clear a breakpoint */
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abug_cmds.clr_all_break = "nobr\r"; /* clear all breakpoints */
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abug_cmds.clr_all_break = "nobr\r"; /* clear all breakpoints */
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abug_cmds.fill = "bf %x:%x %x;b\r"; /* fill (start count val) */
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abug_cmds.fill = "bf %x:%x %x;b\r"; /* fill (start count val) */
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abug_cmds.setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
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abug_cmds.setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
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abug_cmds.setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
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abug_cmds.setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
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abug_cmds.setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
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abug_cmds.setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
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abug_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
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abug_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
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abug_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
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abug_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
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abug_cmds.setmem.term = NULL; /* setreg.term */
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abug_cmds.setmem.term = NULL; /* setreg.term */
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abug_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
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abug_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
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abug_cmds.getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
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abug_cmds.getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
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abug_cmds.getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
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abug_cmds.getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
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abug_cmds.getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
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abug_cmds.getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
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abug_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
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abug_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
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abug_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */
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abug_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */
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abug_cmds.getmem.term = NULL; /* getmem.term */
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abug_cmds.getmem.term = NULL; /* getmem.term */
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abug_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
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abug_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
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abug_cmds.setreg.cmd = "rm %s %x\r"; /* setreg.cmd (name, value) */
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abug_cmds.setreg.cmd = "rm %s %x\r"; /* setreg.cmd (name, value) */
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abug_cmds.setreg.resp_delim = "="; /* setreg.resp_delim */
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abug_cmds.setreg.resp_delim = "="; /* setreg.resp_delim */
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abug_cmds.setreg.term = "? "; /* setreg.term */
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abug_cmds.setreg.term = "? "; /* setreg.term */
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abug_cmds.setreg.term_cmd = ".\r"; /* setreg.term_cmd */
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abug_cmds.setreg.term_cmd = ".\r"; /* setreg.term_cmd */
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abug_cmds.getreg.cmd = "rm %s\r"; /* getreg.cmd (name) */
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abug_cmds.getreg.cmd = "rm %s\r"; /* getreg.cmd (name) */
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abug_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */
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abug_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */
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abug_cmds.getreg.term = "? "; /* getreg.term */
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abug_cmds.getreg.term = "? "; /* getreg.term */
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abug_cmds.getreg.term_cmd = ".\r"; /* getreg.term_cmd */
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abug_cmds.getreg.term_cmd = ".\r"; /* getreg.term_cmd */
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abug_cmds.dump_registers = "rd\r"; /* dump_registers */
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abug_cmds.dump_registers = "rd\r"; /* dump_registers */
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abug_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
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abug_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
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abug_cmds.supply_register = abug_supply_register; /* supply_register */
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abug_cmds.supply_register = abug_supply_register; /* supply_register */
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abug_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
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abug_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
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abug_cmds.load = "lo 0\r"; /* download command */
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abug_cmds.load = "lo 0\r"; /* download command */
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abug_cmds.loadresp = "\n"; /* load response */
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abug_cmds.loadresp = "\n"; /* load response */
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abug_cmds.prompt = "135Bug>"; /* monitor command prompt */
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abug_cmds.prompt = "135Bug>"; /* monitor command prompt */
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abug_cmds.line_term = "\r"; /* end-of-line terminator */
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abug_cmds.line_term = "\r"; /* end-of-line terminator */
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abug_cmds.cmd_end = NULL; /* optional command terminator */
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abug_cmds.cmd_end = NULL; /* optional command terminator */
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abug_cmds.target = &abug_ops; /* target operations */
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abug_cmds.target = &abug_ops; /* target operations */
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abug_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
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abug_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
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abug_cmds.regnames = abug_regnames; /* registers names */
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abug_cmds.regnames = abug_regnames; /* registers names */
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abug_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
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abug_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
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};
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};
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static void
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static void
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abug_open (args, from_tty)
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abug_open (args, from_tty)
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char *args;
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char *args;
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int from_tty;
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int from_tty;
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{
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{
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monitor_open (args, &abug_cmds, from_tty);
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monitor_open (args, &abug_cmds, from_tty);
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}
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}
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void
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void
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_initialize_abug_rom ()
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_initialize_abug_rom ()
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{
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{
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init_abug_cmds ();
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init_abug_cmds ();
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init_monitor_ops (&abug_ops);
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init_monitor_ops (&abug_ops);
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abug_ops.to_shortname = "abug";
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abug_ops.to_shortname = "abug";
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abug_ops.to_longname = "ABug monitor";
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abug_ops.to_longname = "ABug monitor";
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abug_ops.to_doc = "Debug via the ABug monitor.\n\
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abug_ops.to_doc = "Debug via the ABug monitor.\n\
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Specify the serial device it is connected to (e.g. /dev/ttya).";
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Specify the serial device it is connected to (e.g. /dev/ttya).";
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abug_ops.to_open = abug_open;
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abug_ops.to_open = abug_open;
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add_target (&abug_ops);
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add_target (&abug_ops);
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}
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}
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