| /* Remote debugging interface for CPU32Bug Rom monitor for GDB, the GNU debugger. |
| Copyright 1995, 1996, 1998, 1999, 2000, 2001 |
| Free Software Foundation, Inc. |
| |
| Written by Stu Grossman 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" |
| #include "regcache.h" |
| |
| static void cpu32bug_open (char *args, int from_tty); |
| |
| static void |
| cpu32bug_supply_register (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 *cpu32bug_regnames[NUM_REGS] = |
| { |
| "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", |
| "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", |
| "SR", "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 cpu32bug_ops; |
| |
| static char *cpu32bug_inits[] = |
| {"\r", NULL}; |
| |
| static struct monitor_ops cpu32bug_cmds; |
| |
| static void |
| init_cpu32bug_cmds (void) |
| { |
| cpu32bug_cmds.flags = MO_CLR_BREAK_USES_ADDR; |
| cpu32bug_cmds.init = cpu32bug_inits; /* Init strings */ |
| cpu32bug_cmds.cont = "g\r"; /* continue command */ |
| cpu32bug_cmds.step = "t\r"; /* single step */ |
| cpu32bug_cmds.stop = NULL; /* interrupt command */ |
| cpu32bug_cmds.set_break = "br %x\r"; /* set a breakpoint */ |
| cpu32bug_cmds.clr_break = "nobr %x\r"; /* clear a breakpoint */ |
| cpu32bug_cmds.clr_all_break = "nobr\r"; /* clear all breakpoints */ |
| cpu32bug_cmds.fill = "bf %x:%x %x;b\r"; /* fill (start count val) */ |
| cpu32bug_cmds.setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */ |
| cpu32bug_cmds.setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */ |
| cpu32bug_cmds.setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */ |
| cpu32bug_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ |
| cpu32bug_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ |
| cpu32bug_cmds.setmem.term = NULL; /* setreg.term */ |
| cpu32bug_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ |
| cpu32bug_cmds.getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */ |
| cpu32bug_cmds.getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */ |
| cpu32bug_cmds.getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */ |
| cpu32bug_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */ |
| cpu32bug_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */ |
| cpu32bug_cmds.getmem.term = NULL; /* getmem.term */ |
| cpu32bug_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ |
| cpu32bug_cmds.setreg.cmd = "rs %s %x\r"; /* setreg.cmd (name, value) */ |
| cpu32bug_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ |
| cpu32bug_cmds.setreg.term = NULL; /* setreg.term */ |
| cpu32bug_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ |
| cpu32bug_cmds.getreg.cmd = "rs %s\r"; /* getreg.cmd (name) */ |
| cpu32bug_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */ |
| cpu32bug_cmds.getreg.term = NULL; /* getreg.term */ |
| cpu32bug_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */ |
| cpu32bug_cmds.dump_registers = "rd\r"; /* dump_registers */ |
| cpu32bug_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */ |
| cpu32bug_cmds.supply_register = cpu32bug_supply_register; /* supply_register */ |
| cpu32bug_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ |
| cpu32bug_cmds.load = "lo\r"; /* download command */ |
| cpu32bug_cmds.loadresp = "\n"; /* load response */ |
| cpu32bug_cmds.prompt = "CPU32Bug>"; /* monitor command prompt */ |
| cpu32bug_cmds.line_term = "\r"; /* end-of-line terminator */ |
| cpu32bug_cmds.cmd_end = NULL; /* optional command terminator */ |
| cpu32bug_cmds.target = &cpu32bug_ops; /* target operations */ |
| cpu32bug_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ |
| cpu32bug_cmds.regnames = cpu32bug_regnames; /* registers names */ |
| cpu32bug_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ |
| }; /* init_cpu32bug_cmds */ |
| |
| static void |
| cpu32bug_open (char *args, int from_tty) |
| { |
| monitor_open (args, &cpu32bug_cmds, from_tty); |
| } |
| |
| void |
| _initialize_cpu32bug_rom (void) |
| { |
| init_cpu32bug_cmds (); |
| init_monitor_ops (&cpu32bug_ops); |
| |
| cpu32bug_ops.to_shortname = "cpu32bug"; |
| cpu32bug_ops.to_longname = "CPU32Bug monitor"; |
| cpu32bug_ops.to_doc = "Debug via the CPU32Bug monitor.\n\ |
| Specify the serial device it is connected to (e.g. /dev/ttya)."; |
| cpu32bug_ops.to_open = cpu32bug_open; |
| |
| add_target (&cpu32bug_ops); |
| } |