Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 169 insertions, 0 deletions

diff --git a/gdb/rom68k-rom.c b/gdb/rom68k-rom.c
new file mode 100644
index 0000000..831d299
--- /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);
+}