* rom68k-rom.c: New file. Replaces the old remote-mon.c and uses

	the new generic ROM interface in monitor.c.
	* config/m68k/monitor.mt: Use new ROM support.
	* monitor.c: Add support for xmodem download protocol.

1 files changed, 143 insertions, 0 deletions

diff --git a/gdb/rom68k-rom.c b/gdb/rom68k-rom.c
new file mode 100644
index 0000000..719cb4d
--- /dev/null
+++ b/gdb/rom68k-rom.c
@@ -0,0 +1,143 @@
+#include "defs.h"
+#include "gdbcore.h"
+#include "target.h"
+#include "monitor.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 */
+  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 */
+  "srec,xmodem-ascii,xmodem-srec,default",/* load types */
+  rom68k_regnames			/* registers names */
+};
+
+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);
+}
+
+void
+_initialize_rom68k ()
+{
+  add_target (&rom68k_ops);
+
+  /* this is the default, since it's the only baud rate supported by the hardware */
+  baud_rate = 9600;
+}
+
+
+
+