1 /* Remote debugging interface for PPCbug (PowerPC) Rom monitor
2 for GDB, the GNU debugger.
3 Copyright 1995, 1998, 1999, 2000, 2001 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. */
32 ppcbug_supply_register (char *regname
, int regnamelen
, char *val
, int vallen
)
36 if (regnamelen
< 2 || regnamelen
> 4)
42 if (regname
[1] < '0' || regname
[1] > '9')
45 regno
= regname
[1] - '0';
46 else if (regnamelen
== 3 && regname
[2] >= '0' && regname
[2] <= '9')
47 regno
= (regname
[1] - '0') * 10 + (regname
[2] - '0');
52 if (regname
[1] != 'R' || regname
[2] < '0' || regname
[2] > '9')
55 regno
= 32 + regname
[2] - '0';
56 else if (regnamelen
== 4 && regname
[3] >= '0' && regname
[3] <= '9')
57 regno
= 32 + (regname
[2] - '0') * 10 + (regname
[3] - '0');
62 if (regnamelen
!= 2 || regname
[1] != 'P')
67 if (regnamelen
!= 3 || regname
[1] != 'S' || regname
[2] != 'R')
72 if (regnamelen
!= 2 || regname
[1] != 'R')
77 if (regnamelen
!= 4 || regname
[1] != 'P' || regname
[2] != 'R')
79 else if (regname
[3] == '8')
81 else if (regname
[3] == '9')
83 else if (regname
[3] == '1')
85 else if (regname
[3] == '0')
94 monitor_supply_register (regno
, val
);
98 * This array of registers needs to match the indexes used by GDB. The
99 * whole reason this exists is because the various ROM monitors use
100 * different names than GDB does, and don't support all the
101 * registers either. So, typing "info reg sp" becomes an "A7".
104 static char *ppcbug_regnames
[] =
106 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
107 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
108 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
109 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
111 "fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7",
112 "fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
113 "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
114 "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31",
116 /* pc ps cnd lr cnt xer mq */
117 "ip", "msr", "cr", "spr8", "spr9", "spr1", "spr0"
121 * Define the monitor command strings. Since these are passed directly
122 * through to a printf style function, we need can include formatting
123 * strings. We also need a CR or LF on the end.
126 static struct target_ops ppcbug_ops0
;
127 static struct target_ops ppcbug_ops1
;
129 static char *ppcbug_inits
[] =
133 init_ppc_cmds (char *LOAD_CMD
,
134 struct monitor_ops
*OPS
,
135 struct target_ops
*targops
)
137 OPS
->flags
= MO_CLR_BREAK_USES_ADDR
| MO_HANDLE_NL
;
138 OPS
->init
= ppcbug_inits
; /* Init strings */
139 OPS
->cont
= "g\r"; /* continue command */
140 OPS
->step
= "t\r"; /* single step */
141 OPS
->stop
= NULL
; /* interrupt command */
142 OPS
->set_break
= "br %x\r"; /* set a breakpoint */
143 OPS
->clr_break
= "nobr %x\r"; /* clear a breakpoint */
144 OPS
->clr_all_break
= "nobr\r"; /* clear all breakpoints */
145 OPS
->fill
= "bf %x:%x %x;b\r"; /* fill (start count val) */
146 OPS
->setmem
.cmdb
= "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
147 OPS
->setmem
.cmdw
= "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
148 OPS
->setmem
.cmdl
= "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
149 OPS
->setmem
.cmdll
= NULL
; /* setmem.cmdll (addr, value) */
150 OPS
->setmem
.resp_delim
= NULL
; /* setreg.resp_delim */
151 OPS
->setmem
.term
= NULL
; /* setreg.term */
152 OPS
->setmem
.term_cmd
= NULL
; /* setreg.term_cmd */
153 OPS
->getmem
.cmdb
= "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
154 OPS
->getmem
.cmdw
= "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
155 OPS
->getmem
.cmdl
= "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
156 OPS
->getmem
.cmdll
= NULL
; /* getmem.cmdll (addr, len) */
157 OPS
->getmem
.resp_delim
= " "; /* getmem.resp_delim */
158 OPS
->getmem
.term
= NULL
; /* getmem.term */
159 OPS
->getmem
.term_cmd
= NULL
; /* getmem.term_cmd */
160 OPS
->setreg
.cmd
= "rs %s %x\r"; /* setreg.cmd (name, value) */
161 OPS
->setreg
.resp_delim
= NULL
; /* setreg.resp_delim */
162 OPS
->setreg
.term
= NULL
; /* setreg.term */
163 OPS
->setreg
.term_cmd
= NULL
; /* setreg.term_cmd */
164 OPS
->getreg
.cmd
= "rs %s\r"; /* getreg.cmd (name) */
165 OPS
->getreg
.resp_delim
= "="; /* getreg.resp_delim */
166 OPS
->getreg
.term
= NULL
; /* getreg.term */
167 OPS
->getreg
.term_cmd
= NULL
; /* getreg.term_cmd */
168 OPS
->register_pattern
= "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
169 OPS
->supply_register
= ppcbug_supply_register
; /* supply_register */
170 OPS
->dump_registers
= "rd\r"; /* dump all registers */
171 OPS
->load_routine
= NULL
; /* load_routine (defaults to SRECs) */
172 OPS
->load
= LOAD_CMD
; /* download command */
173 OPS
->loadresp
= NULL
; /* load response */
174 OPS
->prompt
= "PPC1-Bug>"; /* monitor command prompt */
175 OPS
->line_term
= "\r"; /* end-of-line terminator */
176 OPS
->cmd_end
= NULL
; /* optional command terminator */
177 OPS
->target
= targops
; /* target operations */
178 OPS
->stopbits
= SERIAL_1_STOPBITS
; /* number of stop bits */
179 OPS
->regnames
= ppcbug_regnames
; /* registers names */
180 OPS
->magic
= MONITOR_OPS_MAGIC
; /* magic */
184 static struct monitor_ops ppcbug_cmds0
;
185 static struct monitor_ops ppcbug_cmds1
;
188 ppcbug_open0 (char *args
, int from_tty
)
190 monitor_open (args
, &ppcbug_cmds0
, from_tty
);
194 ppcbug_open1 (char *args
, int from_tty
)
196 monitor_open (args
, &ppcbug_cmds1
, from_tty
);
200 _initialize_ppcbug_rom (void)
202 init_ppc_cmds ("lo 0\r", &ppcbug_cmds0
, &ppcbug_ops0
);
203 init_ppc_cmds ("lo 1\r", &ppcbug_cmds1
, &ppcbug_ops1
);
204 init_monitor_ops (&ppcbug_ops0
);
206 ppcbug_ops0
.to_shortname
= "ppcbug";
207 ppcbug_ops0
.to_longname
= "PowerPC PPCBug monitor on port 0";
208 ppcbug_ops0
.to_doc
= "Debug via the PowerPC PPCBug monitor using port 0.\n\
209 Specify the serial device it is connected to (e.g. /dev/ttya).";
210 ppcbug_ops0
.to_open
= ppcbug_open0
;
212 add_target (&ppcbug_ops0
);
214 init_monitor_ops (&ppcbug_ops1
);
216 ppcbug_ops1
.to_shortname
= "ppcbug1";
217 ppcbug_ops1
.to_longname
= "PowerPC PPCBug monitor on port 1";
218 ppcbug_ops1
.to_doc
= "Debug via the PowerPC PPCBug monitor using port 1.\n\
219 Specify the serial device it is connected to (e.g. /dev/ttya).";
220 ppcbug_ops1
.to_open
= ppcbug_open1
;
222 add_target (&ppcbug_ops1
);
This page took 0.033664 seconds and 4 git commands to generate.