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Diffstat (limited to 'gdb/rom68k-rom.c')
| -rw-r--r-- | gdb/rom68k-rom.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/gdb/rom68k-rom.c b/gdb/rom68k-rom.c new file mode 100644 index 00000000000..831d299652a --- /dev/null +++ b/gdb/rom68k-rom.c @@ -0,0 +1,169 @@ +/* Remote target glue for the ROM68K ROM monitor. + Copyright 1988, 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. + +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" + +static void rom68k_open PARAMS ((char *args, int 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; +{ + monitor_open (args, &rom68k_cmds, from_tty); +} + +void +_initialize_rom68k () +{ + init_rom68k_cmds() ; + init_monitor_ops (&rom68k_ops); + + 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); +} |