| /* Remote debugging interface for Hitachi HMS Monitor Version 1.0 |
| Copyright 1995, 1996, 1998, 1999, 2000, 2001 |
| Free Software Foundation, Inc. |
| Contributed by Cygnus Support. Written by Steve Chamberlain |
| (sac@cygnus.com). |
| |
| 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 hms_open (char *args, int from_tty); |
| static void |
| hms_supply_register (char *regname, int regnamelen, char *val, int vallen) |
| { |
| int regno; |
| |
| if (regnamelen != 2) |
| return; |
| if (regname[0] != 'P') |
| return; |
| /* We scan off all the registers in one go */ |
| |
| val = monitor_supply_register (PC_REGNUM, val); |
| /* Skip the ccr string */ |
| while (*val != '=' && *val) |
| val++; |
| |
| val = monitor_supply_register (CCR_REGNUM, val + 1); |
| |
| /* Skip up to rest of regs */ |
| while (*val != '=' && *val) |
| val++; |
| |
| for (regno = 0; regno < 7; regno++) |
| { |
| val = monitor_supply_register (regno, val + 1); |
| } |
| } |
| |
| /* |
| * 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 a "r30". |
| */ |
| |
| static char *hms_regnames[] = |
| { |
| "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "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 hms_ops; |
| |
| static char *hms_inits[] = |
| {"\003", /* Resets the prompt, and clears repeated cmds */ |
| NULL}; |
| |
| static struct monitor_ops hms_cmds; |
| |
| static void |
| init_hms_cmds (void) |
| { |
| hms_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE; |
| hms_cmds.init = hms_inits; /* Init strings */ |
| hms_cmds.cont = "g\r"; /* continue command */ |
| hms_cmds.step = "s\r"; /* single step */ |
| hms_cmds.stop = "\003"; /* ^C interrupts the program */ |
| hms_cmds.set_break = "b %x\r"; /* set a breakpoint */ |
| hms_cmds.clr_break = "b - %x\r"; /* clear a breakpoint */ |
| hms_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */ |
| hms_cmds.fill = "f %x %x %x\r"; /* fill (start end val) */ |
| hms_cmds.setmem.cmdb = "m.b %x=%x\r"; /* setmem.cmdb (addr, value) */ |
| hms_cmds.setmem.cmdw = "m.w %x=%x\r"; /* setmem.cmdw (addr, value) */ |
| hms_cmds.setmem.cmdl = NULL; /* setmem.cmdl (addr, value) */ |
| hms_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ |
| hms_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ |
| hms_cmds.setmem.term = NULL; /* setreg.term */ |
| hms_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ |
| hms_cmds.getmem.cmdb = "m.b %x %x\r"; /* getmem.cmdb (addr, addr) */ |
| hms_cmds.getmem.cmdw = "m.w %x %x\r"; /* getmem.cmdw (addr, addr) */ |
| hms_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, addr) */ |
| hms_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, addr) */ |
| hms_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ |
| hms_cmds.getmem.term = ">"; /* getmem.term */ |
| hms_cmds.getmem.term_cmd = "\003"; /* getmem.term_cmd */ |
| hms_cmds.setreg.cmd = "r %s=%x\r"; /* setreg.cmd (name, value) */ |
| hms_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ |
| hms_cmds.setreg.term = NULL; /* setreg.term */ |
| hms_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ |
| hms_cmds.getreg.cmd = "r %s\r"; /* getreg.cmd (name) */ |
| hms_cmds.getreg.resp_delim = " ("; /* getreg.resp_delim */ |
| hms_cmds.getreg.term = ":"; /* getreg.term */ |
| hms_cmds.getreg.term_cmd = "\003"; /* getreg.term_cmd */ |
| hms_cmds.dump_registers = "r\r"; /* dump_registers */ |
| hms_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */ |
| hms_cmds.supply_register = hms_supply_register; /* supply_register */ |
| hms_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ |
| hms_cmds.load = "tl\r"; /* download command */ |
| hms_cmds.loadresp = NULL; /* load response */ |
| hms_cmds.prompt = ">"; /* monitor command prompt */ |
| hms_cmds.line_term = "\r"; /* end-of-command delimitor */ |
| hms_cmds.cmd_end = NULL; /* optional command terminator */ |
| hms_cmds.target = &hms_ops; /* target operations */ |
| hms_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ |
| hms_cmds.regnames = hms_regnames; /* registers names */ |
| hms_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ |
| } /* init_hms-cmds */ |
| |
| static void |
| hms_open (char *args, int from_tty) |
| { |
| monitor_open (args, &hms_cmds, from_tty); |
| } |
| |
| int write_dos_tick_delay; |
| |
| void |
| _initialize_remote_hms (void) |
| { |
| init_hms_cmds (); |
| init_monitor_ops (&hms_ops); |
| |
| hms_ops.to_shortname = "hms"; |
| hms_ops.to_longname = "Hitachi Microsystems H8/300 debug monitor"; |
| hms_ops.to_doc = "Debug via the HMS monitor.\n\ |
| Specify the serial device it is connected to (e.g. /dev/ttya)."; |
| hms_ops.to_open = hms_open; |
| /* By trial and error I've found that this delay doesn't break things */ |
| write_dos_tick_delay = 1; |
| add_target (&hms_ops); |
| } |