X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2From68k-rom.c;h=8b938b5139c9bc67f29ad0673aed890bca020f8d;hb=feb129926a8d12656f1ca4b7a8bb10268d3af4fb;hp=57398fd65a65dd1a7307b1159ebb7f338d02d6b5;hpb=b3b8d9bfa7698d61d2831bfbe9fa41b487e03a45;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/rom68k-rom.c b/gdb/rom68k-rom.c index 57398fd65a..8b938b5139 100644 --- a/gdb/rom68k-rom.c +++ b/gdb/rom68k-rom.c @@ -1,162 +1,172 @@ -/* Remote target glue for the rom68k ROM monitor. This was running on a -Motorola IDP board. +/* Remote target glue for the ROM68K ROM monitor. + Copyright 1988, 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. - Copyright 1988, 1991, 1992, 1993, 1994 Free Software Foundation, Inc. + This file is part of GDB. -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 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. -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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + 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" -extern int baud_rate; - -void rom68k_open(); -void monitor_open(); - -/* - * this array of registers need to match the indexes used by GDB. The - * whole reason this exists is cause the various ROM monitors use - * different strings than GDB does, and doesn't support all the - * registers either. So, typing "info reg sp" becomes a "r30". - */ -static char *rom68k_regnames[] = { - "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "a0", "a1", - "a2", "a3", "a4", "a5", "a6", "usp", "ssp","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. - */ - -struct target_ops rom68k_ops = { - "rom68k", - "WinBond's debug monitor for the Rom68k Eval board", - "Debug on a Motorola IDP eval board running the ROM68K monitor.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya).", - rom68k_open, - monitor_close, - monitor_attach, - monitor_detach, - monitor_resume, - monitor_wait, - monitor_fetch_register, - monitor_store_register, - monitor_prepare_to_store, - monitor_xfer_inferior_memory, - monitor_files_info, - monitor_insert_breakpoint, - monitor_remove_breakpoint, /* Breakpoints */ - 0, - 0, - 0, - 0, - 0, /* Terminal handling */ - monitor_kill, - monitor_load, /* load */ - 0, /* lookup_symbol */ - monitor_create_inferior, - monitor_mourn_inferior, - 0, /* can_run */ - 0, /* notice_signals */ - 0, /* to_stop */ - process_stratum, - 0, /* next */ - 1, - 1, - 1, - 1, - 1, /* all mem, mem, stack, regs, exec */ - 0, - 0, /* Section pointers */ - OPS_MAGIC /* Always the last thing */ -}; - -struct monitor_ops rom68k_cmds = { - 1, /* 1 for ASCII, 0 for binary */ - "\n", /* monitor init string */ - "go \n", /* execute or usually GO command */ - "go \n", /* continue command */ - "st \n", /* single step */ - "db %x\n", /* set a breakpoint */ - "cb %x\r", /* clear a breakpoint */ - 0, /* 0 for number, 1 for address */ - { - "pm %x %x\r", /* set memory */ - "=", /* delimiter */ - "", /* the result */ - }, - { - "dm %x 1\r", /* get memory */ - "", /* delimiter */ - "", /* the result */ - }, - { - "pr %s %x\r", /* set a register */ - "", /* delimiter between registers */ - "", /* the result */ - }, - { - "pr %s\n", /* get a register */ - ":", /* delimiter between registers */ - "", /* the result */ - }, - "dc\n", /* download command */ - "ROM68K :->", /* monitor command prompt */ - "=", /* end-of-command delimitor */ - ".\n", /* optional command terminator */ - &rom68k_ops, /* target operations */ - "none,srec,default", /* load types */ - "none", /* load protocols */ - rom68k_regnames /* registers names */ -}; +static void rom68k_open PARAMS ((char *args, int from_tty)); -void -rom68k_open(args, from_tty) +static void +rom68k_supply_register (regname, regnamelen, val, vallen) + char *regname; + int regnamelen; + char *val; + int vallen; +{ + int numregs; + int regno; + + numregs = 1; + regno = -1; + + if (regnamelen == 2) + switch (regname[0]) + { + case 'S': + if (regname[1] == 'R') + regno = PS_REGNUM; + break; + case 'P': + if (regname[1] == 'C') + regno = PC_REGNUM; + break; + case 'D': + if (regname[1] != 'R') + break; + regno = D0_REGNUM; + numregs = 8; + break; + case 'A': + if (regname[1] != 'R') + break; + regno = A0_REGNUM; + numregs = 7; + break; + } + else if (regnamelen == 3) + switch (regname[0]) + { + case 'I': + if (regname[1] == 'S' && regname[2] == 'P') + regno = SP_REGNUM; + } + + if (regno >= 0) + while (numregs-- > 0) + val = monitor_supply_register (regno++, val); +} + +/* This array of registers need to match the indexes used by GDB. + This exists because the various ROM monitors use different strings + than does GDB, and don't necessarily support all the registers + either. So, typing "info reg sp" becomes a "r30". */ + +static char *rom68k_regnames[NUM_REGS] = +{ + "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", + "A0", "A1", "A2", "A3", "A4", "A5", "A6", "ISP", + "SR", "PC"}; + +/* Define the monitor command strings. Since these are passed directly + through to a printf style function, we may include formatting + strings. We also need a CR or LF on the end. */ + +static struct target_ops rom68k_ops; + +static char *rom68k_inits[] = +{".\r\r", NULL}; /* Exits pm/pr & download cmds */ + +static struct monitor_ops rom68k_cmds; + +static void +init_rom68k_cmds (void) +{ + rom68k_cmds.flags = 0; + rom68k_cmds.init = rom68k_inits; /* monitor init string */ + rom68k_cmds.cont = "go\r"; + rom68k_cmds.step = "st\r"; + rom68k_cmds.stop = NULL; + rom68k_cmds.set_break = "db %x\r"; + rom68k_cmds.clr_break = "cb %x\r"; + rom68k_cmds.clr_all_break = "cb *\r"; + rom68k_cmds.fill = "fm %x %x %x\r"; + rom68k_cmds.setmem.cmdb = "pm %x %x\r"; + rom68k_cmds.setmem.cmdw = "pm.w %x %x\r"; + rom68k_cmds.setmem.cmdl = "pm.l %x %x\r"; + rom68k_cmds.setmem.cmdll = NULL; + rom68k_cmds.setmem.resp_delim = NULL; + rom68k_cmds.setmem.term = NULL; + rom68k_cmds.setmem.term_cmd = NULL; + rom68k_cmds.getmem.cmdb = "dm %x %x\r"; + rom68k_cmds.getmem.cmdw = "dm.w %x %x\r"; + rom68k_cmds.getmem.cmdl = "dm.l %x %x\r"; + rom68k_cmds.getmem.cmdll = NULL; + rom68k_cmds.getmem.resp_delim = " "; + rom68k_cmds.getmem.term = NULL; + rom68k_cmds.getmem.term_cmd = NULL; + rom68k_cmds.setreg.cmd = "pr %s %x\r"; + rom68k_cmds.setreg.resp_delim = NULL; + rom68k_cmds.setreg.term = NULL; + rom68k_cmds.setreg.term_cmd = NULL; + rom68k_cmds.getreg.cmd = "pr %s\r"; + rom68k_cmds.getreg.resp_delim = ": "; + rom68k_cmds.getreg.term = "= "; + rom68k_cmds.getreg.term_cmd = ".\r"; + rom68k_cmds.dump_registers = "dr\r"; + rom68k_cmds.register_pattern = + "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)"; + rom68k_cmds.supply_register = rom68k_supply_register; + rom68k_cmds.load_routine = NULL; + rom68k_cmds.load = "dc\r"; + rom68k_cmds.loadresp = "Waiting for S-records from host... "; + rom68k_cmds.prompt = "ROM68K :-> "; + rom68k_cmds.line_term = "\r"; + rom68k_cmds.cmd_end = ".\r"; + rom68k_cmds.target = &rom68k_ops; + rom68k_cmds.stopbits = SERIAL_1_STOPBITS; + rom68k_cmds.regnames = rom68k_regnames; + rom68k_cmds.magic = MONITOR_OPS_MAGIC; +} /* init_rom68k_cmds */ + +static void +rom68k_open (args, from_tty) char *args; int from_tty; { - target_preopen(from_tty); - push_target (&rom68k_ops); - push_monitor (&rom68k_cmds); - monitor_open (args, "rom68k", from_tty); + monitor_open (args, &rom68k_cmds, from_tty); } void _initialize_rom68k () { - add_target (&rom68k_ops); + init_rom68k_cmds (); + init_monitor_ops (&rom68k_ops); - /* this is the default, since it's the only baud rate supported by the hardware */ - baud_rate = 9600; + rom68k_ops.to_shortname = "rom68k"; + rom68k_ops.to_longname = "Rom68k debug monitor for the IDP Eval board"; + rom68k_ops.to_doc = "Debug on a Motorola IDP eval board running the ROM68K monitor.\n\ +Specify the serial device it is connected to (e.g. /dev/ttya)."; + rom68k_ops.to_open = rom68k_open; + + add_target (&rom68k_ops); }