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Diffstat (limited to 'gdb/remote-est.c')
| -rw-r--r-- | gdb/remote-est.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/gdb/remote-est.c b/gdb/remote-est.c new file mode 100644 index 0000000..27fd8aa --- /dev/null +++ b/gdb/remote-est.c @@ -0,0 +1,171 @@ +/* Remote debugging interface for EST-300 ICE, for GDB + Copyright 1995 Free Software Foundation, Inc. + Contributed by Cygnus Support. + + Written by Steve Chamberlain for Cygnus Support. + Re-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" + +static void est_open PARAMS ((char *args, int from_tty)); + +static void +est_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 a "r30". + */ + +static char *est_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 est_ops; + +static char *est_inits[] = {"he\r", /* Resets the prompt, and clears repeated cmds */ + NULL}; + +static struct monitor_ops est_cmds ; + +static void +init_est_cmds(void) +{ + est_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_NEED_REGDUMP_AFTER_CONT | + MO_SREC_ACK | MO_SREC_ACK_PLUS ; + est_cmds.init = est_inits; /* Init strings */ + est_cmds.cont = "go\r"; /* continue command */ + est_cmds.step = "sidr\r"; /* single step */ + est_cmds.stop = "\003"; /* ^C interrupts the program */ + est_cmds.set_break = "sb %x\r"; /* set a breakpoint */ + est_cmds.clr_break = "rb %x\r"; /* clear a breakpoint */ + est_cmds.clr_all_break = "rb\r"; /* clear all breakpoints */ + est_cmds.fill = "bfb %x %x %x\r"; /* fill (start end val) */ + est_cmds.setmem.cmdb = "smb %x %x\r"; /* setmem.cmdb (addr, value) */ + est_cmds.setmem.cmdw = "smw %x %x\r"; /* setmem.cmdw (addr, value) */ + est_cmds.setmem.cmdl = "sml %x %x\r"; /* setmem.cmdl (addr, value) */ + est_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ + est_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ + est_cmds.setmem.term = NULL; /* setreg.term */ + est_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ + est_cmds.getmem.cmdb = "dmb %x %x\r"; /* getmem.cmdb (addr, len) */ + est_cmds.getmem.cmdw = "dmw %x %x\r"; /* getmem.cmdw (addr, len) */ + est_cmds.getmem.cmdl = "dml %x %x\r"; /* getmem.cmdl (addr, len) */ + est_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */ + est_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ + est_cmds.getmem.term = NULL; /* getmem.term */ + est_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ + est_cmds.setreg.cmd = "sr %s %x\r"; /* setreg.cmd (name, value) */ + est_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ + est_cmds.setreg.term = NULL; /* setreg.term */ + est_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ + est_cmds.getreg.cmd = "dr %s\r"; /* getreg.cmd (name) */ + est_cmds.getreg.resp_delim = " = "; /* getreg.resp_delim */ + est_cmds.getreg.term = NULL; /* getreg.term */ + est_cmds.getreg.term_cmd = NULL ; /* getreg.term_cmd */ + est_cmds.dump_registers = "dr\r"; /* dump_registers */ + est_cmds.register_pattern = "\\(\\w+\\) = \\([0-9a-fA-F]+\\)"; /* register_pattern */ + est_cmds.supply_register = est_supply_register; /* supply_register */ + est_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ + est_cmds.load = "dl\r"; /* download command */ + est_cmds.loadresp = "+"; /* load response */ + est_cmds.prompt = ">BKM>"; /* monitor command prompt */ + est_cmds.line_term = "\r"; /* end-of-line terminator */ + est_cmds.cmd_end = NULL; /* optional command terminator */ + est_cmds.target = &est_ops; /* target operations */ + est_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ + est_cmds.regnames = est_regnames; /* registers names */ + est_cmds.magic = MONITOR_OPS_MAGIC ; /* magic */ +} /* init_est_cmds */ + +static void +est_open(args, from_tty) + char *args; + int from_tty; +{ + monitor_open (args, &est_cmds, from_tty); +} + +void +_initialize_est () +{ + init_est_cmds() ; + init_monitor_ops (&est_ops); + + est_ops.to_shortname = "est"; + est_ops.to_longname = "EST background debug monitor"; + est_ops.to_doc = "Debug via the EST BDM.\n\ +Specify the serial device it is connected to (e.g. /dev/ttya)."; + est_ops.to_open = est_open; + + add_target (&est_ops); +} |