1 /* Remote debugging interface for PPCbug (PowerPC) Rom monitor
2 for GDB, the GNU debugger.
3 Copyright 1995 Free Software Foundation, Inc.
5 Written by Stu Grossman of Cygnus Support
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 ppcbug_supply_register (char *regname
, int regnamelen
, char *val
, int vallen
)
35 if (regnamelen
< 2 || regnamelen
> 4)
41 if (regname
[1] < '0' || regname
[1] > '9')
44 regno
= regname
[1] - '0';
45 else if (regnamelen
== 3 && regname
[2] >= '0' && regname
[2] <= '9')
46 regno
= (regname
[1] - '0') * 10 + (regname
[2] - '0');
51 if (regname
[1] != 'R' || regname
[2] < '0' || regname
[2] > '9')
54 regno
= 32 + regname
[2] - '0';
55 else if (regnamelen
== 4 && regname
[3] >= '0' && regname
[3] <= '9')
56 regno
= 32 + (regname
[2] - '0') * 10 + (regname
[3] - '0');
61 if (regnamelen
!= 2 || regname
[1] != 'P')
66 if (regnamelen
!= 3 || regname
[1] != 'S' || regname
[2] != 'R')
71 if (regnamelen
!= 2 || regname
[1] != 'R')
76 if (regnamelen
!= 4 || regname
[1] != 'P' || regname
[2] != 'R')
78 else if (regname
[3] == '8')
80 else if (regname
[3] == '9')
82 else if (regname
[3] == '1')
84 else if (regname
[3] == '0')
93 monitor_supply_register (regno
, val
);
97 * This array of registers needs to match the indexes used by GDB. The
98 * whole reason this exists is because the various ROM monitors use
99 * different names than GDB does, and don't support all the
100 * registers either. So, typing "info reg sp" becomes an "A7".
103 static char *ppcbug_regnames
[] =
105 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
106 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
107 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
108 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
110 "fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7",
111 "fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
112 "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
113 "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31",
115 /* pc ps cnd lr cnt xer mq */
116 "ip", "msr", "cr", "spr8", "spr9", "spr1", "spr0"
120 * Define the monitor command strings. Since these are passed directly
121 * through to a printf style function, we need can include formatting
122 * strings. We also need a CR or LF on the end.
125 static struct target_ops ppcbug_ops0
;
126 static struct target_ops ppcbug_ops1
;
128 static char *ppcbug_inits
[] =
132 init_ppc_cmds (char *LOAD_CMD
,
133 struct monitor_ops
*OPS
,
134 struct target_ops
*targops
)
136 OPS
->flags
= MO_CLR_BREAK_USES_ADDR
| MO_HANDLE_NL
;
137 OPS
->init
= ppcbug_inits
; /* Init strings */
138 OPS
->cont
= "g\r"; /* continue command */
139 OPS
->step
= "t\r"; /* single step */
140 OPS
->stop
= NULL
; /* interrupt command */
141 OPS
->set_break
= "br %x\r"; /* set a breakpoint */
142 OPS
->clr_break
= "nobr %x\r"; /* clear a breakpoint */
143 OPS
->clr_all_break
= "nobr\r"; /* clear all breakpoints */
144 OPS
->fill
= "bf %x:%x %x;b\r"; /* fill (start count val) */
145 OPS
->setmem
.cmdb
= "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
146 OPS
->setmem
.cmdw
= "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
147 OPS
->setmem
.cmdl
= "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
148 OPS
->setmem
.cmdll
= NULL
; /* setmem.cmdll (addr, value) */
149 OPS
->setmem
.resp_delim
= NULL
; /* setreg.resp_delim */
150 OPS
->setmem
.term
= NULL
; /* setreg.term */
151 OPS
->setmem
.term_cmd
= NULL
; /* setreg.term_cmd */
152 OPS
->getmem
.cmdb
= "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
153 OPS
->getmem
.cmdw
= "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
154 OPS
->getmem
.cmdl
= "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
155 OPS
->getmem
.cmdll
= NULL
; /* getmem.cmdll (addr, len) */
156 OPS
->getmem
.resp_delim
= " "; /* getmem.resp_delim */
157 OPS
->getmem
.term
= NULL
; /* getmem.term */
158 OPS
->getmem
.term_cmd
= NULL
; /* getmem.term_cmd */
159 OPS
->setreg
.cmd
= "rs %s %x\r"; /* setreg.cmd (name, value) */
160 OPS
->setreg
.resp_delim
= NULL
; /* setreg.resp_delim */
161 OPS
->setreg
.term
= NULL
; /* setreg.term */
162 OPS
->setreg
.term_cmd
= NULL
; /* setreg.term_cmd */
163 OPS
->getreg
.cmd
= "rs %s\r"; /* getreg.cmd (name) */
164 OPS
->getreg
.resp_delim
= "="; /* getreg.resp_delim */
165 OPS
->getreg
.term
= NULL
; /* getreg.term */
166 OPS
->getreg
.term_cmd
= NULL
; /* getreg.term_cmd */
167 OPS
->register_pattern
= "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
168 OPS
->supply_register
= ppcbug_supply_register
; /* supply_register */
169 OPS
->dump_registers
= "rd\r"; /* dump all registers */
170 OPS
->load_routine
= NULL
; /* load_routine (defaults to SRECs) */
171 OPS
->load
= LOAD_CMD
; /* download command */
172 OPS
->loadresp
= NULL
; /* load response */
173 OPS
->prompt
= "PPC1-Bug>"; /* monitor command prompt */
174 OPS
->line_term
= "\r"; /* end-of-line terminator */
175 OPS
->cmd_end
= NULL
; /* optional command terminator */
176 OPS
->target
= targops
; /* target operations */
177 OPS
->stopbits
= SERIAL_1_STOPBITS
; /* number of stop bits */
178 OPS
->regnames
= ppcbug_regnames
; /* registers names */
179 OPS
->magic
= MONITOR_OPS_MAGIC
; /* magic */
183 static struct monitor_ops ppcbug_cmds0
;
184 static struct monitor_ops ppcbug_cmds1
;
187 ppcbug_open0 (char *args
, int from_tty
)
189 monitor_open (args
, &ppcbug_cmds0
, from_tty
);
193 ppcbug_open1 (char *args
, int from_tty
)
195 monitor_open (args
, &ppcbug_cmds1
, from_tty
);
199 _initialize_ppcbug_rom (void)
201 init_ppc_cmds ("lo 0\r", &ppcbug_cmds0
, &ppcbug_ops0
);
202 init_ppc_cmds ("lo 1\r", &ppcbug_cmds1
, &ppcbug_ops1
);
203 init_monitor_ops (&ppcbug_ops0
);
205 ppcbug_ops0
.to_shortname
= "ppcbug";
206 ppcbug_ops0
.to_longname
= "PowerPC PPCBug monitor on port 0";
207 ppcbug_ops0
.to_doc
= "Debug via the PowerPC PPCBug monitor using port 0.\n\
208 Specify the serial device it is connected to (e.g. /dev/ttya).";
209 ppcbug_ops0
.to_open
= ppcbug_open0
;
211 add_target (&ppcbug_ops0
);
213 init_monitor_ops (&ppcbug_ops1
);
215 ppcbug_ops1
.to_shortname
= "ppcbug1";
216 ppcbug_ops1
.to_longname
= "PowerPC PPCBug monitor on port 1";
217 ppcbug_ops1
.to_doc
= "Debug via the PowerPC PPCBug monitor using port 1.\n\
218 Specify the serial device it is connected to (e.g. /dev/ttya).";
219 ppcbug_ops1
.to_open
= ppcbug_open1
;
221 add_target (&ppcbug_ops1
);
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