1 /* Remote debugging interface for Hitachi HMS Monitor Version 1.0
2 Copyright 1995, 1996, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
4 Contributed by Cygnus Support. Written by Steve Chamberlain
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
31 static void hms_open (char *args
, int from_tty
);
33 hms_supply_register (char *regname
, int regnamelen
, char *val
, int vallen
)
39 if (regname
[0] != 'P')
41 /* We scan off all the registers in one go */
43 val
= monitor_supply_register (PC_REGNUM
, val
);
44 /* Skip the ccr string */
45 while (*val
!= '=' && *val
)
48 val
= monitor_supply_register (CCR_REGNUM
, val
+ 1);
50 /* Skip up to rest of regs */
51 while (*val
!= '=' && *val
)
54 for (regno
= 0; regno
< 7; regno
++)
56 val
= monitor_supply_register (regno
, val
+ 1);
61 * This array of registers needs to match the indexes used by GDB. The
62 * whole reason this exists is because the various ROM monitors use
63 * different names than GDB does, and don't support all the
64 * registers either. So, typing "info reg sp" becomes a "r30".
67 static char *hms_regnames
[] =
69 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "PC", "", "", "", ""
73 * Define the monitor command strings. Since these are passed directly
74 * through to a printf style function, we need can include formatting
75 * strings. We also need a CR or LF on the end.
78 static struct target_ops hms_ops
;
80 static char *hms_inits
[] =
81 {"\003", /* Resets the prompt, and clears repeated cmds */
84 static struct monitor_ops hms_cmds
;
89 hms_cmds
.flags
= MO_CLR_BREAK_USES_ADDR
| MO_FILL_USES_ADDR
| MO_GETMEM_NEEDS_RANGE
;
90 hms_cmds
.init
= hms_inits
; /* Init strings */
91 hms_cmds
.cont
= "g\r"; /* continue command */
92 hms_cmds
.step
= "s\r"; /* single step */
93 hms_cmds
.stop
= "\003"; /* ^C interrupts the program */
94 hms_cmds
.set_break
= "b %x\r"; /* set a breakpoint */
95 hms_cmds
.clr_break
= "b - %x\r"; /* clear a breakpoint */
96 hms_cmds
.clr_all_break
= "b -\r"; /* clear all breakpoints */
97 hms_cmds
.fill
= "f %x %x %x\r"; /* fill (start end val) */
98 hms_cmds
.setmem
.cmdb
= "m.b %x=%x\r"; /* setmem.cmdb (addr, value) */
99 hms_cmds
.setmem
.cmdw
= "m.w %x=%x\r"; /* setmem.cmdw (addr, value) */
100 hms_cmds
.setmem
.cmdl
= NULL
; /* setmem.cmdl (addr, value) */
101 hms_cmds
.setmem
.cmdll
= NULL
; /* setmem.cmdll (addr, value) */
102 hms_cmds
.setmem
.resp_delim
= NULL
; /* setreg.resp_delim */
103 hms_cmds
.setmem
.term
= NULL
; /* setreg.term */
104 hms_cmds
.setmem
.term_cmd
= NULL
; /* setreg.term_cmd */
105 hms_cmds
.getmem
.cmdb
= "m.b %x %x\r"; /* getmem.cmdb (addr, addr) */
106 hms_cmds
.getmem
.cmdw
= "m.w %x %x\r"; /* getmem.cmdw (addr, addr) */
107 hms_cmds
.getmem
.cmdl
= NULL
; /* getmem.cmdl (addr, addr) */
108 hms_cmds
.getmem
.cmdll
= NULL
; /* getmem.cmdll (addr, addr) */
109 hms_cmds
.getmem
.resp_delim
= ": "; /* getmem.resp_delim */
110 hms_cmds
.getmem
.term
= ">"; /* getmem.term */
111 hms_cmds
.getmem
.term_cmd
= "\003"; /* getmem.term_cmd */
112 hms_cmds
.setreg
.cmd
= "r %s=%x\r"; /* setreg.cmd (name, value) */
113 hms_cmds
.setreg
.resp_delim
= NULL
; /* setreg.resp_delim */
114 hms_cmds
.setreg
.term
= NULL
; /* setreg.term */
115 hms_cmds
.setreg
.term_cmd
= NULL
; /* setreg.term_cmd */
116 hms_cmds
.getreg
.cmd
= "r %s\r"; /* getreg.cmd (name) */
117 hms_cmds
.getreg
.resp_delim
= " ("; /* getreg.resp_delim */
118 hms_cmds
.getreg
.term
= ":"; /* getreg.term */
119 hms_cmds
.getreg
.term_cmd
= "\003"; /* getreg.term_cmd */
120 hms_cmds
.dump_registers
= "r\r"; /* dump_registers */
121 hms_cmds
.register_pattern
= "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */
122 hms_cmds
.supply_register
= hms_supply_register
; /* supply_register */
123 hms_cmds
.load_routine
= NULL
; /* load_routine (defaults to SRECs) */
124 hms_cmds
.load
= "tl\r"; /* download command */
125 hms_cmds
.loadresp
= NULL
; /* load response */
126 hms_cmds
.prompt
= ">"; /* monitor command prompt */
127 hms_cmds
.line_term
= "\r"; /* end-of-command delimitor */
128 hms_cmds
.cmd_end
= NULL
; /* optional command terminator */
129 hms_cmds
.target
= &hms_ops
; /* target operations */
130 hms_cmds
.stopbits
= SERIAL_1_STOPBITS
; /* number of stop bits */
131 hms_cmds
.regnames
= hms_regnames
; /* registers names */
132 hms_cmds
.magic
= MONITOR_OPS_MAGIC
; /* magic */
133 } /* init_hms-cmds */
136 hms_open (char *args
, int from_tty
)
138 monitor_open (args
, &hms_cmds
, from_tty
);
141 int write_dos_tick_delay
;
144 _initialize_remote_hms (void)
147 init_monitor_ops (&hms_ops
);
149 hms_ops
.to_shortname
= "hms";
150 hms_ops
.to_longname
= "Hitachi Microsystems H8/300 debug monitor";
151 hms_ops
.to_doc
= "Debug via the HMS monitor.\n\
152 Specify the serial device it is connected to (e.g. /dev/ttya).";
153 hms_ops
.to_open
= hms_open
;
154 /* By trial and error I've found that this delay doesn't break things */
155 write_dos_tick_delay
= 1;
156 add_target (&hms_ops
);
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