144 lines
3.8 KiB
C
144 lines
3.8 KiB
C
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#include "defs.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "monitor.h"
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extern int baud_rate;
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void rom68k_open();
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void monitor_open();
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/*
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* this array of registers need to match the indexes used by GDB. The
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* whole reason this exists is cause the various ROM monitors use
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* different strings than GDB does, and doesn't support all the
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* registers either. So, typing "info reg sp" becomes a "r30".
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*/
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static char *rom68k_regnames[] = {
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"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "a0", "a1",
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"a2", "a3", "a4", "a5", "a6", "usp", "ssp","pc", "", "",
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"", "", "", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", ""
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};
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/*
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* Define the monitor command strings. Since these are passed directly
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* through to a printf style function, we need can include formatting
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* strings. We also need a CR or LF on the end.
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*/
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struct target_ops rom68k_ops = {
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"rom68k",
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"WinBond's debug monitor for the Rom68k Eval board",
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"Debug on a Motorola IDP eval board running the ROM68K monitor.\n\
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Specify the serial device it is connected to (e.g. /dev/ttya).",
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rom68k_open,
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monitor_close,
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monitor_attach,
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monitor_detach,
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monitor_resume,
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monitor_wait,
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monitor_fetch_register,
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monitor_store_register,
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monitor_prepare_to_store,
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monitor_xfer_inferior_memory,
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monitor_files_info,
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monitor_insert_breakpoint,
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monitor_remove_breakpoint, /* Breakpoints */
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0,
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0,
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0,
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0,
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0, /* Terminal handling */
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monitor_kill,
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monitor_load, /* load */
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0, /* lookup_symbol */
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monitor_create_inferior,
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monitor_mourn_inferior,
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0, /* can_run */
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0, /* notice_signals */
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process_stratum,
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0, /* next */
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1,
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1,
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1,
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1,
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1, /* all mem, mem, stack, regs, exec */
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0,
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0, /* Section pointers */
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OPS_MAGIC, /* Always the last thing */
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};
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struct monitor_ops rom68k_cmds = {
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1, /* 1 for ASCII, 0 for binary */
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"\n", /* monitor init string */
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"go \n", /* execute or usually GO command */
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"go \n", /* continue command */
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"st \n", /* single step */
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"db %x\n", /* set a breakpoint */
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"cb %x\r", /* clear a breakpoint */
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0, /* 0 for number, 1 for address */
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{
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"pm %x %x\r", /* set memory */
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"=", /* delimiter */
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"", /* the result */
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},
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{
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"dm %x 1\r", /* get memory */
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"", /* delimiter */
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"", /* the result */
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},
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{
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"pr %s %x\r", /* set a register */
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"", /* delimiter between registers */
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"", /* the result */
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},
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{
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"pr %s\n", /* get a register */
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":", /* delimiter between registers */
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"", /* the result */
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},
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"dc\n", /* download command */
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"ROM68K :->", /* monitor command prompt */
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"=", /* end-of-command delimitor */
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".\n", /* optional command terminator */
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&rom68k_ops, /* target operations */
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"srec,xmodem-ascii,xmodem-srec,default",/* load types */
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rom68k_regnames /* registers names */
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};
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void
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rom68k_open(args, from_tty)
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char *args;
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int from_tty;
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{
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target_preopen(from_tty);
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push_target (&rom68k_ops);
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push_monitor (&rom68k_cmds);
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monitor_open (args, "rom68k", from_tty);
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}
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void
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_initialize_rom68k ()
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{
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add_target (&rom68k_ops);
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/* this is the default, since it's the only baud rate supported by the hardware */
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baud_rate = 9600;
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}
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