1 /* Remote debugging interface for DINK32 (PowerPC) ROM monitor for
3 Copyright 1997 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
27 #include "symfile.h" /* For generic_load() */
28 #include "inferior.h" /* For write_pc() */
30 static void dink32_open (char *args
, int from_tty
);
33 dink32_supply_register (char *regname
, int regnamelen
, char *val
, int vallen
)
37 if (regnamelen
< 2 || regnamelen
> 4)
43 if (regname
[1] < '0' || regname
[1] > '9')
46 regno
= regname
[1] - '0';
47 else if (regnamelen
== 3 && regname
[2] >= '0' && regname
[2] <= '9')
48 regno
= (regname
[1] - '0') * 10 + (regname
[2] - '0');
53 if (regname
[1] != 'R' || regname
[2] < '0' || regname
[2] > '9')
56 regno
= 32 + regname
[2] - '0';
57 else if (regnamelen
== 4 && regname
[3] >= '0' && regname
[3] <= '9')
58 regno
= 32 + (regname
[2] - '0') * 10 + (regname
[3] - '0');
63 if (regnamelen
!= 2 || regname
[1] != 'P')
68 if (regnamelen
!= 3 || regname
[1] != 'S' || regname
[2] != 'R')
73 if (regnamelen
!= 2 || regname
[1] != 'R')
78 if (regnamelen
!= 4 || regname
[1] != 'P' || regname
[2] != 'R')
80 else if (regname
[3] == '8')
82 else if (regname
[3] == '9')
84 else if (regname
[3] == '1')
86 else if (regname
[3] == '0')
95 monitor_supply_register (regno
, val
);
99 dink32_load (struct monitor_ops
*monops
, char *filename
, int from_tty
)
101 extern int inferior_pid
;
103 generic_load (filename
, from_tty
);
105 /* Finally, make the PC point at the start address */
107 write_pc (bfd_get_start_address (exec_bfd
));
109 inferior_pid
= 0; /* No process now */
113 /* This array of registers needs to match the indexes used by GDB. The
114 whole reason this exists is because the various ROM monitors use
115 different names than GDB does, and don't support all the registers
118 static char *dink32_regnames
[] =
120 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
121 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
122 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
123 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
125 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
126 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
127 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
128 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
130 "srr0", "msr", "cr", "lr", "ctr", "xer", "xer"
133 static struct target_ops dink32_ops
;
135 static char *dink32_inits
[] =
138 static struct monitor_ops dink32_cmds
;
141 dink32_open (char *args
, int from_tty
)
143 monitor_open (args
, &dink32_cmds
, from_tty
);
147 _initialize_dink32_rom (void)
149 dink32_cmds
.flags
= MO_HEX_PREFIX
| MO_GETMEM_NEEDS_RANGE
| MO_FILL_USES_ADDR
| MO_HANDLE_NL
| MO_32_REGS_PAIRED
| MO_SETREG_INTERACTIVE
| MO_SETMEM_INTERACTIVE
| MO_GETMEM_16_BOUNDARY
| MO_CLR_BREAK_1_BASED
| MO_SREC_ACK
| MO_SREC_ACK_ROTATE
;
150 dink32_cmds
.init
= dink32_inits
;
151 dink32_cmds
.cont
= "go +\r";
152 dink32_cmds
.step
= "tr +\r";
153 dink32_cmds
.set_break
= "bp 0x%x\r";
154 dink32_cmds
.clr_break
= "bp %d\r";
155 #if 0 /* Would need to follow strict alignment rules.. */
156 dink32_cmds
.fill
= "mf %x %x %x\r";
158 dink32_cmds
.setmem
.cmdb
= "mm -b %x\r";
159 dink32_cmds
.setmem
.cmdw
= "mm -w %x\r";
160 dink32_cmds
.setmem
.cmdl
= "mm %x\r";
161 dink32_cmds
.setmem
.term
= " ? ";
162 dink32_cmds
.getmem
.cmdb
= "md %x\r";
163 dink32_cmds
.getmem
.resp_delim
= " ";
164 dink32_cmds
.setreg
.cmd
= "rm %s\r";
165 dink32_cmds
.setreg
.term
= " ? ";
166 dink32_cmds
.getreg
.cmd
= "rd %s\r";
167 dink32_cmds
.getreg
.resp_delim
= ": ";
168 dink32_cmds
.dump_registers
= "rd r\r";
169 dink32_cmds
.register_pattern
= "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)";
170 dink32_cmds
.supply_register
= dink32_supply_register
;
171 /* S-record download, via "keyboard port". */
172 dink32_cmds
.load
= "dl -k\r";
173 dink32_cmds
.loadresp
= "Set Input Port : set to Keyboard Port\r";
174 #if 0 /* slow load routine not needed if S-records work... */
175 dink32_cmds
.load_routine
= dink32_load
;
177 dink32_cmds
.prompt
= "DINK32_603 >>";
178 dink32_cmds
.line_term
= "\r";
179 dink32_cmds
.target
= &dink32_ops
;
180 dink32_cmds
.stopbits
= SERIAL_1_STOPBITS
;
181 dink32_cmds
.regnames
= dink32_regnames
;
182 dink32_cmds
.magic
= MONITOR_OPS_MAGIC
;
184 init_monitor_ops (&dink32_ops
);
186 dink32_ops
.to_shortname
= "dink32";
187 dink32_ops
.to_longname
= "DINK32 monitor";
188 dink32_ops
.to_doc
= "Debug using the DINK32 monitor.\n\
189 Specify the serial device it is connected to (e.g. /dev/ttya).";
190 dink32_ops
.to_open
= dink32_open
;
192 add_target (&dink32_ops
);
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