1 /* Remote debugging interface for Hitachi HMS Monitor Version 1.0
2 Copyright 1995,1999 Free Software Foundation, Inc.
3 Contributed by Cygnus Support. Written by Steve Chamberlain
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
29 static void hms_open (char *args
, int from_tty
);
31 hms_supply_register (char *regname
, int regnamelen
, char *val
, int vallen
)
37 if (regname
[0] != 'P')
39 /* We scan off all the registers in one go */
41 val
= monitor_supply_register (PC_REGNUM
, val
);
42 /* Skip the ccr string */
43 while (*val
!= '=' && *val
)
46 val
= monitor_supply_register (CCR_REGNUM
, val
+ 1);
48 /* Skip up to rest of regs */
49 while (*val
!= '=' && *val
)
52 for (regno
= 0; regno
< 7; regno
++)
54 val
= monitor_supply_register (regno
, val
+ 1);
59 * This array of registers needs to match the indexes used by GDB. The
60 * whole reason this exists is because the various ROM monitors use
61 * different names than GDB does, and don't support all the
62 * registers either. So, typing "info reg sp" becomes a "r30".
65 static char *hms_regnames
[NUM_REGS
] =
67 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "PC"
71 * Define the monitor command strings. Since these are passed directly
72 * through to a printf style function, we need can include formatting
73 * strings. We also need a CR or LF on the end.
76 static struct target_ops hms_ops
;
78 static char *hms_inits
[] =
79 {"\003", /* Resets the prompt, and clears repeated cmds */
82 static struct monitor_ops hms_cmds
;
87 hms_cmds
.flags
= MO_CLR_BREAK_USES_ADDR
| MO_FILL_USES_ADDR
| MO_GETMEM_NEEDS_RANGE
;
88 hms_cmds
.init
= hms_inits
; /* Init strings */
89 hms_cmds
.cont
= "g\r"; /* continue command */
90 hms_cmds
.step
= "s\r"; /* single step */
91 hms_cmds
.stop
= "\003"; /* ^C interrupts the program */
92 hms_cmds
.set_break
= "b %x\r"; /* set a breakpoint */
93 hms_cmds
.clr_break
= "b - %x\r"; /* clear a breakpoint */
94 hms_cmds
.clr_all_break
= "b -\r"; /* clear all breakpoints */
95 hms_cmds
.fill
= "f %x %x %x\r"; /* fill (start end val) */
96 hms_cmds
.setmem
.cmdb
= "m.b %x=%x\r"; /* setmem.cmdb (addr, value) */
97 hms_cmds
.setmem
.cmdw
= "m.w %x=%x\r"; /* setmem.cmdw (addr, value) */
98 hms_cmds
.setmem
.cmdl
= NULL
; /* setmem.cmdl (addr, value) */
99 hms_cmds
.setmem
.cmdll
= NULL
; /* setmem.cmdll (addr, value) */
100 hms_cmds
.setmem
.resp_delim
= NULL
; /* setreg.resp_delim */
101 hms_cmds
.setmem
.term
= NULL
; /* setreg.term */
102 hms_cmds
.setmem
.term_cmd
= NULL
; /* setreg.term_cmd */
103 hms_cmds
.getmem
.cmdb
= "m.b %x %x\r"; /* getmem.cmdb (addr, addr) */
104 hms_cmds
.getmem
.cmdw
= "m.w %x %x\r"; /* getmem.cmdw (addr, addr) */
105 hms_cmds
.getmem
.cmdl
= NULL
; /* getmem.cmdl (addr, addr) */
106 hms_cmds
.getmem
.cmdll
= NULL
; /* getmem.cmdll (addr, addr) */
107 hms_cmds
.getmem
.resp_delim
= ": "; /* getmem.resp_delim */
108 hms_cmds
.getmem
.term
= ">"; /* getmem.term */
109 hms_cmds
.getmem
.term_cmd
= "\003"; /* getmem.term_cmd */
110 hms_cmds
.setreg
.cmd
= "r %s=%x\r"; /* setreg.cmd (name, value) */
111 hms_cmds
.setreg
.resp_delim
= NULL
; /* setreg.resp_delim */
112 hms_cmds
.setreg
.term
= NULL
; /* setreg.term */
113 hms_cmds
.setreg
.term_cmd
= NULL
; /* setreg.term_cmd */
114 hms_cmds
.getreg
.cmd
= "r %s\r"; /* getreg.cmd (name) */
115 hms_cmds
.getreg
.resp_delim
= " ("; /* getreg.resp_delim */
116 hms_cmds
.getreg
.term
= ":"; /* getreg.term */
117 hms_cmds
.getreg
.term_cmd
= "\003"; /* getreg.term_cmd */
118 hms_cmds
.dump_registers
= "r\r"; /* dump_registers */
119 hms_cmds
.register_pattern
= "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */
120 hms_cmds
.supply_register
= hms_supply_register
; /* supply_register */
121 hms_cmds
.load_routine
= NULL
; /* load_routine (defaults to SRECs) */
122 hms_cmds
.load
= "tl\r"; /* download command */
123 hms_cmds
.loadresp
= NULL
; /* load response */
124 hms_cmds
.prompt
= ">"; /* monitor command prompt */
125 hms_cmds
.line_term
= "\r"; /* end-of-command delimitor */
126 hms_cmds
.cmd_end
= NULL
; /* optional command terminator */
127 hms_cmds
.target
= &hms_ops
; /* target operations */
128 hms_cmds
.stopbits
= SERIAL_1_STOPBITS
; /* number of stop bits */
129 hms_cmds
.regnames
= hms_regnames
; /* registers names */
130 hms_cmds
.magic
= MONITOR_OPS_MAGIC
; /* magic */
131 } /* init_hms-cmds */
134 hms_open (char *args
, int from_tty
)
136 monitor_open (args
, &hms_cmds
, from_tty
);
139 int write_dos_tick_delay
;
142 _initialize_remote_hms (void)
145 init_monitor_ops (&hms_ops
);
147 hms_ops
.to_shortname
= "hms";
148 hms_ops
.to_longname
= "Hitachi Microsystems H8/300 debug monitor";
149 hms_ops
.to_doc
= "Debug via the HMS monitor.\n\
150 Specify the serial device it is connected to (e.g. /dev/ttya).";
151 hms_ops
.to_open
= hms_open
;
152 /* By trial and error I've found that this delay doesn't break things */
153 write_dos_tick_delay
= 1;
154 add_target (&hms_ops
);
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