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authorStan Shebs <shebs@apple.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@apple.com>1999-04-16 01:35:26 +0000
commit14cd51f7793a9ce07bc435069f57269450141363 (patch)
tree280a2da48f771d61be5b451ddbacdf9ef8e9ad13 /gdb/remote-est.c
downloadgdb-14cd51f7793a9ce07bc435069f57269450141363.tar.gz
Initial revision
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+/* 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);
+}