187 lines
6.1 KiB
C
187 lines
6.1 KiB
C
/* Remote debugging interface for EST-300 ICE, for GDB
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Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001
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Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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Written by Steve Chamberlain for Cygnus Support.
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Re-written by Stu Grossman of Cygnus Support
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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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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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(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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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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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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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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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "monitor.h"
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#include "serial.h"
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#include "regcache.h"
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#include "m68k-tdep.h"
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static void est_open (char *args, int from_tty);
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static void
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est_supply_register (char *regname, int regnamelen, char *val, int vallen)
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{
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int regno;
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if (regnamelen != 2)
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return;
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switch (regname[0])
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{
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case 'S':
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if (regname[1] != 'R')
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return;
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regno = PS_REGNUM;
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break;
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case 'P':
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if (regname[1] != 'C')
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return;
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regno = PC_REGNUM;
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break;
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case 'D':
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if (regname[1] < '0' || regname[1] > '7')
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return;
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regno = regname[1] - '0' + M68K_D0_REGNUM;
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break;
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case 'A':
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if (regname[1] < '0' || regname[1] > '7')
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return;
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regno = regname[1] - '0' + M68K_A0_REGNUM;
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break;
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default:
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return;
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}
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monitor_supply_register (regno, val);
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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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* 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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* registers either. So, typing "info reg sp" becomes a "r30".
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*/
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static const char *
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est_regname (int index)
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{
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static char *regnames[] =
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{
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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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"SR", "PC",
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};
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if ((index >= (sizeof (regnames) / sizeof (regnames[0])))
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|| (index < 0) || (index >= NUM_REGS))
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return NULL;
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else
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return regnames[index];
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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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* 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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*/
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static struct target_ops est_ops;
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static char *est_inits[] =
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{"he\r", /* Resets the prompt, and clears repeated cmds */
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NULL};
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static struct monitor_ops est_cmds;
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static void
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init_est_cmds (void)
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{
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est_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_NEED_REGDUMP_AFTER_CONT |
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MO_SREC_ACK | MO_SREC_ACK_PLUS;
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est_cmds.init = est_inits; /* Init strings */
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est_cmds.cont = "go\r"; /* continue command */
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est_cmds.step = "sidr\r"; /* single step */
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est_cmds.stop = "\003"; /* ^C interrupts the program */
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est_cmds.set_break = "sb %x\r"; /* set a breakpoint */
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est_cmds.clr_break = "rb %x\r"; /* clear a breakpoint */
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est_cmds.clr_all_break = "rb\r"; /* clear all breakpoints */
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est_cmds.fill = "bfb %x %x %x\r"; /* fill (start end val) */
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est_cmds.setmem.cmdb = "smb %x %x\r"; /* setmem.cmdb (addr, value) */
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est_cmds.setmem.cmdw = "smw %x %x\r"; /* setmem.cmdw (addr, value) */
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est_cmds.setmem.cmdl = "sml %x %x\r"; /* setmem.cmdl (addr, value) */
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est_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
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est_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
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est_cmds.setmem.term = NULL; /* setreg.term */
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est_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
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est_cmds.getmem.cmdb = "dmb %x %x\r"; /* getmem.cmdb (addr, len) */
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est_cmds.getmem.cmdw = "dmw %x %x\r"; /* getmem.cmdw (addr, len) */
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est_cmds.getmem.cmdl = "dml %x %x\r"; /* getmem.cmdl (addr, len) */
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est_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
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est_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
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est_cmds.getmem.term = NULL; /* getmem.term */
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est_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
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est_cmds.setreg.cmd = "sr %s %x\r"; /* setreg.cmd (name, value) */
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est_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
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est_cmds.setreg.term = NULL; /* setreg.term */
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est_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
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est_cmds.getreg.cmd = "dr %s\r"; /* getreg.cmd (name) */
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est_cmds.getreg.resp_delim = " = "; /* getreg.resp_delim */
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est_cmds.getreg.term = NULL; /* getreg.term */
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est_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
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est_cmds.dump_registers = "dr\r"; /* dump_registers */
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est_cmds.register_pattern = "\\(\\w+\\) = \\([0-9a-fA-F]+\\)"; /* register_pattern */
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est_cmds.supply_register = est_supply_register;
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est_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
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est_cmds.load = "dl\r"; /* download command */
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est_cmds.loadresp = "+"; /* load response */
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est_cmds.prompt = ">BKM>"; /* monitor command prompt */
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est_cmds.line_term = "\r"; /* end-of-line terminator */
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est_cmds.cmd_end = NULL; /* optional command terminator */
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est_cmds.target = &est_ops; /* target operations */
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est_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
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est_cmds.regnames = NULL;
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est_cmds.regname = est_regname; /*register names*/
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est_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
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} /* init_est_cmds */
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static void
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est_open (char *args, int from_tty)
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{
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monitor_open (args, &est_cmds, from_tty);
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}
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extern initialize_file_ftype _initialize_est; /* -Wmissing-prototypes */
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void
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_initialize_est (void)
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{
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init_est_cmds ();
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init_monitor_ops (&est_ops);
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est_ops.to_shortname = "est";
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est_ops.to_longname = "EST background debug monitor";
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est_ops.to_doc = "Debug via the EST BDM.\n\
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Specify the serial device it is connected to (e.g. /dev/ttya).";
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est_ops.to_open = est_open;
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add_target (&est_ops);
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}
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