146 lines
4 KiB
C
146 lines
4 KiB
C
/*
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* op50n-rom.c -- configure GDB for an Oki op59n eval board.
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*/
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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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void op50n_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 *op50n_regnames[] = {
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"r0", "r1", "r2", "r3", "r4", "r5", "r6",
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"r7", "r8", "r9", "r10", "r11", "r12", "r13",
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"r14", "r15", "r16", "r17", "r18", "r19", "r20",
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"r21", "r22", "r23", "r24", "r25", "r26", "r27",
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"r28", "r29", "r30", "r31", "", "p", "",
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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 op50n_ops = {
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"op50n",
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"Oki's debug monitor for the Op50n Eval board",
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"Debug on a Oki OP50N eval board.\n\
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Specify the serial device it is connected to (e.g. /dev/ttya).",
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op50n_open,
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monitor_close,
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0,
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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 op50n_cmds = {
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1, /* 1 for ASCII, 0 for binary */
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"\003.\n", /* monitor init string */
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"g %x\n", /* execute or usually GO command */
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"g\n", /* continue command */
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"t\n", /* single step */
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"b %x\n", /* set a breakpoint */
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"bx %x\n", /* clear a breakpoint */
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0, /* 0 for number, 1 for address */
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{
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"sx %x %x;.\n", /* 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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"sx %x\n", /* 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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"x %s %x\n", /* 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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"x %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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"r 0\n", /* download command */
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"#", /* monitor command prompt */
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" ", /* end-of-command delimitor */
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".\n", /* optional command terminator */
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&op50n_ops, /* target operations */
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"srec,ascii-srec,default", /* load types */
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op50n_regnames
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};
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void
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op50n_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(&op50n_ops);
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push_monitor (&op50n_cmds);
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monitor_open (args, "op50n", from_tty);
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}
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void
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_initialize_op50n ()
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{
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add_target (&op50n_ops);
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/* this is the default, since it's that's how the board comes up after
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power cycle. It can then be changed using set remotebaud
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*/
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baud_rate = 9600;
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}
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