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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/abug-rom.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
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diff --git a/gdb/abug-rom.c b/gdb/abug-rom.c
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-/* Remote debugging interface for ABug Rom monitor for GDB, the GNU debugger.
- Copyright 1995, 1996, 1998 Free Software Foundation, Inc.
-
- Written by Rob Savoye of Cygnus Support
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "defs.h"
-#include "gdbcore.h"
-#include "target.h"
-#include "monitor.h"
-#include "serial.h"
-
-/* Prototypes for local functions. */
-
-static void abug_open PARAMS ((char *args, int from_tty));
-
-static void
-abug_supply_register (regname, regnamelen, val, vallen)
- char *regname;
- int regnamelen;
- char *val;
- int vallen;
-{
- int regno;
-
- if (regnamelen != 2)
- return;
-
- switch (regname[0])
- {
- case 'S':
- if (regname[1] != 'R')
- return;
- regno = PS_REGNUM;
- break;
- case 'P':
- if (regname[1] != 'C')
- return;
- regno = PC_REGNUM;
- break;
- case 'D':
- if (regname[1] < '0' || regname[1] > '7')
- return;
- regno = regname[1] - '0' + D0_REGNUM;
- break;
- case 'A':
- if (regname[1] < '0' || regname[1] > '7')
- return;
- regno = regname[1] - '0' + A0_REGNUM;
- break;
- default:
- return;
- }
-
- monitor_supply_register (regno, val);
-}
-
-/*
- * This array of registers needs to match the indexes used by GDB. The
- * whole reason this exists is because the various ROM monitors use
- * different names than GDB does, and don't support all the
- * registers either. So, typing "info reg sp" becomes an "A7".
- */
-
-static char *abug_regnames[NUM_REGS] =
-{
- "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
- "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
- "PC",
-};
-
-/*
- * Define the monitor command strings. Since these are passed directly
- * through to a printf style function, we need can include formatting
- * strings. We also need a CR or LF on the end.
- */
-
-static struct target_ops abug_ops;
-
-static char *abug_inits[] = {"\r", NULL};
-
-static struct monitor_ops abug_cmds ;
-
-static void
-init_abug_cmds(void)
-{
- abug_cmds.flags = MO_CLR_BREAK_USES_ADDR;
- abug_cmds.init = abug_inits; /* Init strings */
- abug_cmds.cont = "g\r"; /* continue command */
- abug_cmds.step = "t\r"; /* single step */
- abug_cmds.stop = NULL; /* interrupt command */
- abug_cmds.set_break = "br %x\r"; /* set a breakpoint */
- abug_cmds.clr_break = "nobr %x\r"; /* clear a breakpoint */
- abug_cmds.clr_all_break = "nobr\r"; /* clear all breakpoints */
- abug_cmds.fill = "bf %x:%x %x;b\r"; /* fill (start count val) */
- abug_cmds.setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
- abug_cmds.setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
- abug_cmds.setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
- abug_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
- abug_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
- abug_cmds.setmem.term = NULL; /* setreg.term */
- abug_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
- abug_cmds.getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
- abug_cmds.getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
- abug_cmds.getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
- abug_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
- abug_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */
- abug_cmds.getmem.term = NULL; /* getmem.term */
- abug_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
- abug_cmds.setreg.cmd = "rm %s %x\r"; /* setreg.cmd (name, value) */
- abug_cmds.setreg.resp_delim = "="; /* setreg.resp_delim */
- abug_cmds.setreg.term = "? "; /* setreg.term */
- abug_cmds.setreg.term_cmd = ".\r" ; /* setreg.term_cmd */
- abug_cmds.getreg.cmd = "rm %s\r"; /* getreg.cmd (name) */
- abug_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */
- abug_cmds.getreg.term = "? "; /* getreg.term */
- abug_cmds.getreg.term_cmd = ".\r" ; /* getreg.term_cmd */
- abug_cmds.dump_registers = "rd\r"; /* dump_registers */
- abug_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
- abug_cmds.supply_register = abug_supply_register; /* supply_register */
- abug_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
- abug_cmds.load = "lo 0\r"; /* download command */
- abug_cmds.loadresp = "\n"; /* load response */
- abug_cmds.prompt = "135Bug>"; /* monitor command prompt */
- abug_cmds.line_term = "\r"; /* end-of-line terminator */
- abug_cmds.cmd_end = NULL; /* optional command terminator */
- abug_cmds.target = &abug_ops; /* target operations */
- abug_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
- abug_cmds.regnames = abug_regnames; /* registers names */
- abug_cmds.magic = MONITOR_OPS_MAGIC ; /* magic */
-};
-
-static void
-abug_open(args, from_tty)
- char *args;
- int from_tty;
-{
- monitor_open (args, &abug_cmds, from_tty);
-}
-
-void
-_initialize_abug_rom ()
-{
- init_abug_cmds() ;
- init_monitor_ops (&abug_ops);
-
- abug_ops.to_shortname = "abug";
- abug_ops.to_longname = "ABug monitor";
- abug_ops.to_doc = "Debug via the ABug monitor.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).";
- abug_ops.to_open = abug_open;
-
- add_target (&abug_ops);
-}